CN210185039U

CN210185039U - A portable blackboard frame for political classroom

Info

Publication number: CN210185039U
Application number: CN201821913827.1U
Authority: CN
Inventors: Hui Yang; 杨慧; Shuyuan Du; 杜树元; Ziquan Lyu; 吕子泉; Yuwei Gong; 龚玉伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-20
Filing date: 2018-11-20
Publication date: 2020-03-27
Anticipated expiration: 2028-11-20

Abstract

The utility model discloses a portable blackboard frame for political classroom, including headstock, blackboard frame, backing plate, connecting plate and pivot, the inboard of headstock is provided with horizontal spout, and the both sides port department of headstock inlays and has tightly decide the hoop, the blackboard surface course has been installed to the middle part of blackboard frame, and the outside of blackboard surface course is provided with the blackboard eraser, blackboard frame and loose wheel have been installed to the both sides port department of backing plate, the support is installed in the outside of vertical guide rail, the supporting legs is installed to the both sides port department of link, the outside of axle sleeve is inlayed and is had the hasp bolt, the connective bar has been installed to the upside of pivot, and the pivot is connected with the connecting plate through the connective bar. This a portable blackboard frame for political classroom through being provided with horizontal spout and blackboard eraser, can carry out whole work of wiping to the chalk imprint on the blackboard surface course for the blackboard after writing cleans very conveniently, and the structure is comparatively simple, is applicable to large-scale production and uses.

Description

A portable blackboard frame for political classroom

Technical Field

The utility model relates to a teaching equipment technical field specifically is a portable blackboard frame for political classroom.

Background

Along with the improvement of living standard of people, the attention degree of self learning is higher and higher, people need to learn a large amount of knowledge through classroom teaching, a vital course in the political study during teaching needs to frequently write on a blackboard to strengthen teaching work in the political teaching process, over two hundred years, the blackboard is smeared on the surface of a solid object such as a wood board, cement and the like from the earliest to the surface of a water mill glass, a color coated steel plate and a composite plate in the nineties, the one-step development of the world education cause is proved, the blackboard is a fixed structure for spreading knowledge, popularizing education and setting up work of sweat horses, the blackboard is mainly a fixed structure, the movable blackboard frame is gradually popularized to the learning of people, the traditional blackboard frame is single in structure and is not provided with an inclined support structure of a surface layer, so that the blackboard surface layer is easy to shake during writing of chalks, meanwhile, the marks written by the chalks are inconvenient to clean, the height of the blackboard frame cannot be adjusted as required, and the use requirements of different people cannot be met, so that the blackboard frame is not practical.

In order to overcome the defects in the existing market, the blackboard frame is urgently needed to be improved in the market, and the blackboard frame can better help people to perform political teaching work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable blackboard frame for political classroom to the blackboard frame that proposes in solving above-mentioned background art does not set up blackboard surface layer slope bearing structure, and the trace after the chalk is written is cleaned comparatively inconveniently, can not adjust the high scheduling problem of blackboard frame as required.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable blackboard frame for political classroom, includes headstock, blackboard frame, backing plate, connecting plate and pivot, the inboard of headstock is provided with horizontal spout, and the both sides port department of headstock inlays and has tightly decide the hoop, the blackboard surface course has been installed to the middle part of blackboard frame, and the outside of blackboard surface course is provided with the blackboard eraser, blackboard frame and movable wheel have been installed to the both sides port department of backing plate, and the backing plate is connected with vertical guide rail through the movable wheel, the support is installed in the outside of vertical guide rail, and the bottom of support is provided with the crossbearer, the axis of rotation has been installed to the downside of crossbearer, and the crossbearer inlays with the linking department of axis of rotation and has the linking board, the middle part of axis of rotation port department is provided with the runner, and the downside of runner has installed the link, the supporting legs is installed to the, the connective bar is installed in the left side of connecting plate, and the middle part of connective bar is provided with the axle sleeve, the outside of axle sleeve is inlayed and is had the hasp bolt, the connective bar has been installed to the upside of pivot, and the pivot is connected with the connecting plate through the connective bar.

Preferably, the transverse sliding groove is provided with a U-shaped groove, and the inner diameter of the U-shaped groove is the same as the outer diameter of the two side ports of the blackboard eraser.

Preferably, the tightening hoop is provided with a threaded notch, and the tightening hoop and the blackboard frame are in a rotary connection structure.

Preferably, the blackboard eraser includes slider, fixed stick II and detachable board of wiping, and the downside of slider is provided with fixed stick II, and the slider is connected with detachable board of wiping through fixed stick II.

Preferably, a circular groove is formed in the shaft sleeve, and the inner diameter of the circular groove is the same as the outer diameter of the connecting rod.

Preferably, the rotating shaft is provided with a locking rod, and the maximum rotating angle of the rotating shaft is 60 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: this a portable blackboard frame for political classroom, through being provided with horizontal spout and blackboard eraser, can carry out whole work of wiping to the chalk trace on the blackboard surface course, it is very convenient to make the blackboard after writing clean, and be provided with vertical guide rail and loose wheel, can adjust the vertical height of blackboard surface course, in order to satisfy different crowds' user demand, be provided with connective bar and connecting plate simultaneously and support work to the blackboard surface course, when making the chalk write on the blackboard surface course, blackboard frame is more stable, and the structure is comparatively simple, the cost of manufacture is lower, and the blackboard frame is suitable for large-scale production and uses.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the structure of the blackboard eraser of the present invention.

In the figure: 1. headstock, 2, horizontal spout, 3, fastening hoop, 4, blackboard frame, 5, blackboard surface layer, 6, blackboard eraser, 601, slider, 602, fixed rod II, 603, detachable wiping board, 7, backing plate, 8, movable wheel, 9, vertical guide rail, 10, support, 11, cross frame, 12, connection board, 13, axis of rotation, 14, runner, 15, link span, 16, supporting legs, 17, fixed rod I, 18, connecting plate, 19, connecting rod, 20, shaft sleeve, 21, lock bolt, 22, pivot.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a movable blackboard frame for political classrooms comprises a headstock 1, a blackboard frame 4, a base plate 7, a connecting plate 18 and a rotating shaft 22, wherein a transverse chute 2 is arranged on the inner side of the headstock 1, tightening hoops 3 are inlaid at two side ports of the headstock 1, a U-shaped groove is arranged on the transverse chute 2, the inner diameter of the U-shaped groove is the same as the outer diameter of two side ports of a blackboard eraser 6, so that the two side ports of the blackboard eraser 6 can extend into the transverse chute 2, the blackboard eraser 6 can transversely move on the transverse chute 2 to conveniently wipe a blackboard surface layer 5, a threaded notch is arranged on the tightening hoop 3, the tightening hoop 3 and the blackboard frame 4 are in a rotary connection structure, the headstock 1 is rotatably disassembled from the blackboard frame 4 through the tightening hoop 3, the cleaning and maintenance work of the headstock 1 is more convenient, and the use requirements of different users can be met, the middle part of the blackboard frame 4 is provided with a blackboard surface layer 5, the outer side of the blackboard surface layer 5 is provided with a blackboard eraser 6, the blackboard eraser 6 comprises a slide block 601, a fixed rod II 602 and a detachable erasing plate 603, the lower side of the slide block 601 is provided with a fixed rod II 602, the slide block 601 is connected with the detachable erasing plate 603 through the fixed rod II 602, chalk marks on the blackboard surface layer 5 can be integrally erased through the detachable erasing plate 603, the blackboard frame is more convenient to use, the port parts of two sides of the backing plate 7 are provided with the blackboard frame 4 and the movable wheels 8, the backing plate 7 is connected with the vertical guide rail 9 through the movable wheels 8, the outer side of the vertical guide rail 9 is provided with a support 10, the bottom end of the support 10 is provided with a cross frame 11, the lower side of the cross frame 11 is provided with a rotating shaft 13, the joint plate 12 is embedded at the joint part of, the connecting frame 15 is arranged at the lower side of the rotating wheel 14, the supporting legs 16 are arranged at the port parts of the two sides of the connecting frame 15, the fixing rod I17 is arranged at the middle part of the supporting leg 16, the connecting rod 19 is arranged at the left side of the connecting plate 18, the shaft sleeve 20 is arranged at the middle part of the connecting rod 19, the lock catch bolt 21 is embedded at the outer side of the shaft sleeve 20, the circular groove is arranged on the shaft sleeve 20, the inner diameter of the circular groove is the same as the outer diameter of the connecting rod 19, so that the connecting rod 19 can extend into the shaft sleeve 20, the exposed length of the connecting rod 19 is adjusted, the blackboard surface layers 5 with different angles can be supported, the connecting rod 19 is arranged at the upper side of the rotating shaft 22, the rotating shaft 22 is connected with the connecting plate 18 through the connecting rod 19, the locking rod is arranged on the rotating shaft 22, the maximum rotating angle of the rotating shaft 22 is 60 degrees, the, the blackboard has better use stability.

The working principle is as follows: when the movable blackboard frame for political classrooms is used, firstly, the movable wheel 8 rolls on the vertical guide rail 9, so that the vertical height of the blackboard frame 4 connected with the movable wheel 8 is adjusted to meet the use requirements of different crowds, when the blackboard frame is required to be subjected to chalk writing, the rotating shaft 13 can be rotated by a certain angle to enable the blackboard surface layer 5 to incline by a proper angle, the connecting rod 19 extends into the shaft sleeve 20 along with the connecting rod, the connecting rod 19 in the shaft sleeve 20 is locked through the lock catch bolt 21, the connecting rod 19 supports the blackboard surface layer 5, the blackboard surface layer 5 is more stable when chalk is written, when chalk marks on the blackboard surface layer 5 need to be wiped, the blackboard frame can slide on the transverse sliding chute 2 through the sliding block 601 on the blackboard eraser 6, and the blackboard surface layer 5 can be wiped by the detachable erasing plate 603, the use is very convenient and fast, the structure is relatively simple, the manufacturing cost is low, and the device is suitable for large-scale production and use.

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 portable blackboard frame for political classroom, includes headstock (1), blackboard frame (4), backing plate (7), connecting plate (18) and pivot (22), its characterized in that: the inboard of headstock (1) is provided with horizontal spout (2), and the both sides port department of headstock (1) inlays and has tightly decides hoop (3), blackboard surface course (5) have been installed to the middle part of blackboard frame (4), and the outside of blackboard surface course (5) is provided with blackboard eraser (6), blackboard frame (4) and activity wheel (8) have been installed to the both sides port department of backing plate (7), and backing plate (7) are connected with vertical guide rail (9) through activity wheel (8), support (10) are installed in the outside of vertical guide rail (9), and the bottom of support (10) is provided with crossbearer (11), axis of rotation (13) have been installed to the downside of crossbearer (11), and the position of linking of crossbearer (11) and axis of rotation (13) inlays and has linking board (12), the middle part of axis of rotation (13) is provided with runner (14), and runner (14)'s downside has installed link (15), supporting legs (16) are installed to the both sides port department of link (15), and the middle part of supporting legs (16) is provided with fixed rod I (17), connective bar (19) are installed in the left side of connecting plate (18), and the middle part of connective bar (19) is provided with axle sleeve (20), inlay in the outside of axle sleeve (20) and have hasp bolt (21), connective bar (19) have been installed to the upside of pivot (22), and pivot (22) are connected with connecting plate (18) through connective bar (19).

2. A movable blackboard rack for political classrooms according to claim 1, wherein: the transverse sliding groove (2) is provided with a U-shaped groove, and the inner diameter of the U-shaped groove is the same as the outer diameter of the two side ports of the blackboard eraser (6).

3. A movable blackboard rack for political classrooms according to claim 1, wherein: the tightening hoop (3) is provided with a threaded notch, and the tightening hoop (3) and the blackboard frame (4) are of a rotary connection structure.

4. A movable blackboard rack for political classrooms according to claim 1, wherein: the blackboard eraser (6) comprises a sliding block (601), a fixing rod II (602) and a detachable erasing plate (603), the fixing rod II (602) is arranged on the lower side of the sliding block (601), and the sliding block (601) is connected with the detachable erasing plate (603) through the fixing rod II (602).

5. A movable blackboard rack for political classrooms according to claim 1, wherein: a circular groove is arranged on the shaft sleeve (20), and the inner diameter of the circular groove is the same as the outer diameter of the connecting rod (19).

6. A movable blackboard rack for political classrooms according to claim 1, wherein: the rotating shaft (22) is provided with a locking rod, and the maximum rotating angle of the rotating shaft (22) is 60 degrees.