CN210941070U

CN210941070U - Novel wiper type blackboard eraser

Info

Publication number: CN210941070U
Application number: CN201921520875.9U
Authority: CN
Inventors: 吴凡; 王静月
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-07-07
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a novel wiper formula blackboard brush, including the blackboard, the spout has been seted up to the symmetry fixedly connected with link of the top lateral wall of blackboard, the preceding lateral wall symmetry of blackboard, and the inner chamber of spout is equipped with the slider, the preceding lateral wall fixedly connected with thread block of slider, and the inner chamber threaded connection of thread block has the threaded rod, and the top lateral wall fixedly connected with of threaded rod changes the handle, and the lateral wall threaded connection of threaded rod has the thread bush, fixedly connected with branch between the inside wall of two thread bushes, the back lateral wall fixedly connected with blackboard brush of branch. The utility model discloses set up a novel wiper formula blackboard brush, place branch earlier when using between the screw thread piece, make the threaded rod carry out threaded connection with thread bush and screw thread piece respectively, drive the blackboard brush through branch and scrape the blackboard surface and get, wipe the chalk word, conveniently clear up under the full condition of blackboard writing, improve the facility and also reduce clearance time.

Description

Novel wiper type blackboard eraser

The technical field is as follows:

the utility model relates to a blackboard brush technical field specifically is a novel wiper formula blackboard brush.

Background art:

the blackboard is a plane that can write repeatedly with the chalk, and the face is hard, and is used for the teaching mostly, and full blackboard writing in the classroom is wiped the blackboard and is become the problem, and a small blackboard eraser is difficult to be cleared up, and most mr and classmates believe that it is very inconvenient also very waste time to wipe the blackboard, therefore we propose a novel wiper formula blackboard brush.

The utility model has the following contents:

an object of the utility model is to provide a novel wiper formula blackboard brush to solve the problem that proposes 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 novel wiper formula blackboard brush, includes the blackboard, the symmetrical fixedly connected with link of top side wall of blackboard, the spout has been seted up to the preceding lateral wall symmetry of blackboard, the inner chamber of spout is equipped with the slider, the preceding lateral wall fixedly connected with thread block of slider, the inner chamber threaded connection of thread block has the threaded rod, the top side wall fixedly connected with of threaded rod changes the handle, the lateral wall threaded connection of threaded rod has the thread bush, two fixedly connected with branch between the inside wall of thread bush, the back lateral wall fixedly connected with blackboard brush of branch.

Preferably, the front side wall of the blackboard is symmetrically and fixedly connected with side rods, and the rear side wall of each side rod is fixedly connected with side blocks.

Preferably, a screw hole plate is fixedly connected between the inner side walls of the two side blocks.

Preferably, the front side wall of the blackboard is fixedly connected with a hollow block, the inner side wall of the hollow block is symmetrically and fixedly connected with rubber layers, a clamping block is assembled between the centers of the two rubber layers, the left side wall of the clamping block is fixedly connected with a support, and the left side wall of the support is fixedly connected with a support rod.

Preferably, the front side wall of the support rod is fixedly connected with a handle.

Preferably, the bottom side wall of the blackboard is fixedly connected with a groove block.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses set up a novel wiper formula blackboard brush, place branch earlier when using between the screw thread piece, make the threaded rod carry out threaded connection with thread bush and screw thread piece respectively, drive the blackboard brush through branch and scrape the blackboard surface and get, wipe the chalk word, conveniently clear up under the full condition of blackboard writing, improve the facility and also reduce clearance time.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a detail view of the screw block and the threaded rod of fig. 1.

Fig. 3 is a detail view of the structure of the hollow block of fig. 1.

In the figure: 1. blackboard, 2, link, 3, spout, 4, slider, 5, screw block, 6, threaded rod, 7, thread bush, 8, branch pole, 9, blackboard brush, 10, side lever, 11, side block, 12, screw hole board, 13, hollow block, 14, rubber layer, 15, fixture block, 16, support, 17, handle, 18, twist grip, 19, recess piece.

The specific implementation mode is as follows:

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.

Referring to fig. 1-3, the present invention provides a technical solution: a novel wiper type blackboard eraser comprises a blackboard 1, suspension rings 2 are symmetrically and fixedly connected to the top side wall of the blackboard 1, sliding grooves 3 are symmetrically formed in the front side wall of the blackboard 1, a sliding block 4 is assembled in an inner cavity of the sliding grooves 3, thread blocks 5 are fixedly connected to the front side wall of the sliding block 4, a threaded rod 6 is connected to the inner cavity of each thread block 5 in a threaded manner, rotating handles 18 are fixedly connected to the top side wall of each threaded rod 6, thread sleeves 7 are connected to the outer side wall of each threaded rod 6 in a threaded manner, a supporting rod 8 is fixedly connected between the inner side walls of the two thread sleeves 7, a blackboard eraser 9 is fixedly connected to the rear side wall of each supporting rod 8, the supporting rods 8 are firstly placed between the thread blocks 5 when the blackboard eraser is used, then the threaded rods 6 are rotated to enable the threaded rods 6 to be respectively in threaded connection with the thread sleeves 7 and the thread blocks 5, the supporting, the chalk characters are erased, so that the chalk characters can be conveniently cleaned under the condition that the blackboard is full of written characters, convenience is improved, and cleaning time is shortened.

Specifically, the side rods 10 are fixedly connected to the front side walls of the blackboard 1 symmetrically, the side blocks 11 are fixedly connected to the rear side walls of the side rods 10, when the blackboard 1 is assembled, the side blocks 11 are connected with the blackboard 1 through the side rods 10 and attached to the wall surface through the side blocks 11, the whole blackboard can be made to be more stable, and shaking during use is avoided.

Particularly, fixedly connected with screw hole board 12 between the inside wall of two side pieces 11 runs through screw hole board 12 through the screw, carries out threaded connection with screw and wall, makes things convenient for side piece 11 fixed, strengthens holistic stability.

Particularly, blackboard 1's preceding lateral wall fixedly connected with hollow block 13, hollow block 13's inside wall symmetry fixedly connected with rubber layer 14, be equipped with fixture block 15 between two rubber layer 14's center department, fixture block 15's left side wall fixedly connected with support 16, support 16's left side wall and branch 8 fixed connection, when removing branch 8 to the right side, branch 8 can drive fixture block 15 and hollow block 13 lock, by rubber layer 14 increase friction, carry out spacing fixed with fixture block 15, avoid writing the in-process of writing on the blackboard, branch 8 slides and influences the teaching effect.

Particularly, the handle 17 is fixedly connected to the front side wall of the supporting rod 8, the stress point of the supporting rod 8 can be increased by the handle 17, and the supporting rod 8 can be pulled to move more conveniently and more conveniently in a labor-saving manner.

Particularly, the bottom side wall fixedly connected with groove block 19 of blackboard 1, groove block 19 can receive the chalk dust that drops, conveniently clears up, avoids the chalk dust to drop and piles up on ground for a long time, and is inconvenient to clear up.

The working principle is as follows: place branch 8 between the thread block 5 earlier when using, then rotate threaded rod 6, make threaded rod 6 carry out threaded connection with thread bush 7 and thread block 5 respectively, fix branch 8, then stimulate branch 8, drive blackboard brush 9 through branch 8 and scrape the blackboard 1 surface and get, wipe the chalk word, conveniently clear up under the full condition of blackboard writing, improve the facility and also reduce clearance time.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel wiper formula blackboard brush, includes blackboard (1), its characterized in that: the utility model discloses a blackboard, including blackboard (1), top lateral wall symmetry fixedly connected with link (2) of blackboard (1), spout (3) have been seted up to the preceding lateral wall symmetry of blackboard (1), the inner chamber of spout (3) is equipped with slider (4), the preceding lateral wall fixedly connected with thread block (5) of slider (4), the inner chamber threaded connection of thread block (5) has threaded rod (6), the top lateral wall fixedly connected with of threaded rod (6) changes (18), the lateral wall threaded connection of threaded rod (6) has thread bush (7), two fixedly connected with branch (8) between the inside wall of thread bush (7), the back lateral wall fixedly connected with blackboard brush (9) of branch (8).

2. The novel blackboard wiper as claimed in claim 1, wherein the front side wall of the blackboard (1) is symmetrically and fixedly connected with a side rod (10), and the rear side wall of the side rod (10) is fixedly connected with a side block (11).

3. The new wiper blade type blackboard brush as claimed in claim 2, wherein a screw hole plate (12) is fixedly connected between the inner side walls of the two side blocks (11).

4. The novel blackboard wiper of claim 1, wherein a hollow block (13) is fixedly connected to the front side wall of the blackboard (1), rubber layers (14) are symmetrically and fixedly connected to the inner side wall of the hollow block (13), a clamping block (15) is assembled between the centers of the two rubber layers (14), a bracket (16) is fixedly connected to the left side wall of the clamping block (15), and the left side wall of the bracket (16) is fixedly connected to the support rod (8).

5. The new wiper blade type blackboard brush according to claim 1, wherein a handle (17) is fixedly connected to the front side wall of the supporting rod (8).

6. A new windscreen wiper blade unit according to claim 1, wherein said blackboard (1) has a groove block (19) fixedly attached to its bottom side wall.