CN214606828U

CN214606828U - Cleaning blackboard eraser

Info

Publication number: CN214606828U
Application number: CN202120004053.6U
Authority: CN
Inventors: 刘义旸; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-11-05
Anticipated expiration: 2031-01-04

Abstract

The utility model discloses a cleaning blackboard eraser, which comprises a mounting plate, a handle, an adjusting mechanism and a clamping plate, wherein the middle part of the top end of the mounting plate is fixedly connected with the handle, and the adjusting mechanism is detachably connected on the handle; adjustment mechanism includes fixture block, second bolt, joint board and electric telescopic handle, fixture block and handle joint, the one end lateral wall of fixture block is located fixed mounting between two parties has electric telescopic handle, electric telescopic handle keeps away from the one end fixedly connected with handle of fixture block, the both sides that electric telescopic handle one end was kept away from to the fixture block are threaded respectively and are worn to be equipped with the second bolt, two the second bolt is connected with the joint board respectively towards the one end of handle, just the draw-in groove of mutually supporting with the joint board is seted up to the lateral wall of handle, and two the adhesion has the rubber pad respectively to the both ends that the joint board is in opposite directions. The cleaning blackboard eraser is reasonable in structure, has the function of being convenient to adjust, and is favorable for popularization and use.

Description

Cleaning blackboard eraser

Technical Field

The utility model belongs to the technical field of the teaching aid, concretely relates to clean blackboard eraser.

Background

The teaching aid is a general term of various appliances used for enabling students to visually and vividly understand teaching contents and appliances used by teachers during teaching. In the traditional teaching process, a teacher usually uses chalk to write on a blackboard, and the blackboard can be cleaned by erasing the chalk through the blackboard eraser, so that the blackboard is convenient for writing next time, and therefore, the blackboard eraser is an indispensable tool in the traditional teaching.

At present, the existing blackboard eraser is single in structure, cannot be adjusted according to the requirements of users, and is inconvenient for erasing chalk characters at high positions of the blackboard, so that further improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clean 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 cleaning blackboard eraser comprises an installation plate, a handle, an adjusting mechanism and a clamping plate, wherein the handle is fixedly connected to the middle of the top end of the installation plate, and the adjusting mechanism is detachably connected to the handle;

adjustment mechanism includes fixture block, second bolt, joint board and electric telescopic handle, fixture block and handle joint, the one end lateral wall of fixture block is located fixed mounting between two parties has electric telescopic handle, electric telescopic handle keeps away from the one end fixedly connected with handle of fixture block, the both sides that electric telescopic handle one end was kept away from to the fixture block are threaded respectively and are worn to be equipped with the second bolt, two the second bolt is connected with the joint board respectively towards the one end of handle, just the draw-in groove of mutually supporting with the joint board is seted up to the lateral wall of handle, and two the adhesion has the rubber pad respectively to the both ends that the joint board is in opposite directions.

Preferably, the top of fixture block is located fixedly connected with L type connecting plate in the middle, the one end of fixture block and towards one side of handle is located fixed mounting and is had the electric putter of a plurality of vertical array distributions in the middle to L type connecting plate.

Preferably, the two opposite end side walls of the mounting plate are fixedly connected with two fixing plates which are distributed oppositely, the fixing plates are connected with clamping plates through third bolts, and the third bolts penetrate through the fixing plates in a threaded mode.

Preferably, a first bolt penetrates through one end of the clamping plate far away from the third bolt, and a threaded hole matched with the first bolt is formed in the side wall of the mounting plate.

Preferably, the side wall of the handle is provided with a plurality of anti-slip grooves distributed in an array manner.

The utility model discloses a technological effect and advantage: this clean blackboard eraser, through fixture block and the handle joint among the adjustment mechanism, rely on the second bolt to drive the joint board and remove, until joint board and the handle draw-in groove joint on hand, can be with adjustment mechanism and handle fixed connection, can be according to the length of the electronic expansion link of user's demand adjustment during the use to in the chalk word that is located the blackboard eminence of erasing, be favorable to improving the practicality of this blackboard sassafras. The cleaning blackboard eraser is reasonable in structure, has the function of being convenient to adjust, and is favorable for popularization and use.

Drawings

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

FIG. 2 is a schematic structural view of an adjusting mechanism of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the electric clamp comprises a mounting plate 1, a handle 2, an adjusting mechanism 3, a clamping plate 4, a first bolt 5, a connecting plate 6L, an electric push rod 7, a rubber pad 8, a clamping plate 9, a second bolt 10, a clamping block 11, an electric telescopic rod 12, a handle 13, a fixing block 14 and a third bolt 15.

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 cleaning blackboard eraser as shown in figures 1-3, which comprises a mounting plate 1, a handle 2, an adjusting mechanism 3 and a clamping plate 4, wherein the middle part of the top end of the mounting plate 1 is fixedly connected with the handle 2, and the adjusting mechanism 3 is detachably connected on the handle 2;

adjustment mechanism 3 includes fixture block 11, second bolt 10, joint plate 9 and electric telescopic handle 12,

fixture block

11 and 2 joints of handle, the one end lateral wall of fixture block 11 is located fixed mounting between two parties has electric telescopic handle 12, electric telescopic handle 12 keeps away from the one end fixedly connected with handle 13 of fixture block 11, fixture block 11 is kept away from the both sides of 12 one ends of electric telescopic handle and is worn to be equipped with second bolt 10, two second bolt 10 is connected with joint plate 9 respectively towards the one end of handle 2, just the draw-in groove of mutually supporting with joint plate 9 is seted up to the lateral wall of handle 2, and two the fixed adhesion has rubber pad 8 respectively at joint plate 9 both ends in opposite directions, and rubber pad 8 plays skid-proof effect.

Specifically, the top of fixture block 11 is located fixedly connected with L type connecting plate 6 between two parties, L type connecting plate 6 keeps away from the one end of fixture block 11 and locates fixedly mounted a plurality of vertical array distribution's electric putter 7 towards one side of handle 2 between two parties, starts electric putter 7, makes electric putter 7 provide pressure to this blackboard eraser, is convenient for erase the chalk word that is located the blackboard eminence.

Specifically, the relative both ends lateral wall of mounting panel 1 is two fixed plates 14 of the relative distribution of fixedly connected with respectively, fixed plate 14 is connected with pinch-off blades 4 through third bolt 15, just third bolt 15 screw thread is worn to locate fixed plate 14, through the mutually supporting between fixed plate 14 and the third bolt 15, the position of the pinch-off blades 4 of being convenient for adjust makes pinch-off blades 4 can press from both sides sponge cloth fastening surely (not shown in the figure), and simultaneously, the sponge cloth's of being convenient for dismantlement and installation are favorable to in time rinsing the sponge cloth of changing on this blackboard sassafras.

Specifically, first bolt 5 is worn to be equipped with by the one end screw thread that third bolt 15 was kept away from to pinch-off blades 4, just the screw hole of mutually supporting with first bolt 5 is seted up to the lateral wall of mounting panel 1, through mutually supporting between first bolt 5 and the screw hole, is convenient for with pinch-off blades 4's rigidity.

Specifically, the side wall of the handle 13 is provided with a plurality of anti-slip grooves distributed in an array, so that a user can hold the handle 13 on the adjusting mechanism 3 conveniently.

The working principle is as follows: when the cleaning blackboard eraser is used, the first bolt 5 is unscrewed, the position of the clamping plate 4 is adjusted through the third bolt 15, sponge cloth is flatly laid on the mounting plate 1 and is positioned between the mounting plate 1 and the clamping plate 4, then the third bolt 15 is screwed to drive the clamping plate 4 to clamp and fix the sponge cloth, then the sponge cloth is further fixed through the mutual matching between the threaded hole on the mounting plate 1 and the first bolt 5, then the clamping block 11 on the adjusting mechanism 3 is clamped with the handle 2, the clamping plate 9 is driven to move through the second bolt 10 until the clamping plate 9 is clamped with the clamping groove on the handle 2, further, the rubber pad 8 on the clamping plate 9 plays a role in skid resistance, the adjusting mechanism 3 is more stably connected with the handle 2, then the electric push rod 7 is started, the telescopic end of the electric push rod 7 is abutted against the handle 2, and pressure is provided for the blackboard eraser, the blackboard eraser is convenient for erasing chalk characters on a blackboard, then the electric telescopic rod 12 is started, the length of the electric telescopic rod 12 is adjusted according to the requirements of a user, the chalk characters located at the high position of the blackboard are convenient to erase, and the blackboard eraser is reasonable in structure, has the function of being convenient to adjust, and is favorable for popularization and use.

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. Clean blackboard eraser, including mounting panel (1), handle (2), adjustment mechanism (3) and pinch-off blades (4), its characterized in that: a handle (2) is fixedly connected to the middle of the top end of the mounting plate (1), and an adjusting mechanism (3) is detachably connected to the handle (2);

adjustment mechanism (3) are including fixture block (11), second bolt (10), joint board (9) and electric telescopic handle (12), fixture block (11) and handle (2) joint, the one end lateral wall of fixture block (11) is located fixed mounting between two parties has electric telescopic handle (12), the one end fixedly connected with handle (13) of fixture block (11) are kept away from in electric telescopic handle (12), second bolt (10), two are worn to be equipped with to the both sides difference screw thread that electric telescopic handle (12) one end was kept away from in fixture block (11) second bolt (10) are connected with joint board (9) respectively towards the one end of handle (2), just the draw-in groove of mutually supporting with joint board (9) is seted up to the lateral wall of handle (2), and two the both ends that joint board (9) are in opposite directions are fixed the adhesion respectively and are equipped with rubber pad (8).

2. The cleaning blackboard eraser of claim 1, wherein: the top of fixture block (11) is located fixedly connected with L type connecting plate (6) in the middle, the one end of fixture block (11) and towards one side of handle (2) is located fixedly mounted with a plurality of electric putter (7) that vertical array distributes in the middle in L type connecting plate (6).

3. The cleaning blackboard eraser of claim 1, wherein: the mounting plate is characterized in that two fixing plates (14) which are distributed oppositely are fixedly connected to the side walls of two opposite ends of the mounting plate (1) respectively, the fixing plates (14) are connected with clamping plates (4) through third bolts (15), and the third bolts (15) penetrate through the fixing plates (14) in a threaded mode.

4. The cleaning blackboard eraser of claim 3, wherein: first bolt (5) are threaded to be arranged at one end, far away from third bolt (15), of clamping plate (4), and threaded holes matched with first bolt (5) are formed in the side wall of mounting plate (1).

5. The cleaning blackboard eraser of claim 1, wherein: the side wall of the handle (13) is provided with a plurality of anti-slip grooves distributed in an array manner.