CN221986152U - A blackboard - Google Patents

Abstract

The utility model relates to the technical field of teaching supplies and discloses a blackboard which comprises a blackboard main body mechanism, wherein the blackboard main body mechanism comprises a blackboard frame and a blackboard main body, the sliding groove mechanism comprises a sliding groove, the top and the bottom of the blackboard frame are fixedly connected with the sliding groove, the sliding groove is connected with a sliding bracket in a sliding manner, a first spring is fixedly connected with the sliding bracket, a spring plate is fixedly connected with the first spring, a wiping cloth bracket groove is formed in the sliding bracket, a wiping cloth bracket is movably connected with the wiping cloth bracket, a movable handle and wiping cloth are fixedly connected with the wiping cloth bracket, the sliding bracket is moved up and down by the movable handle, the wiping cloth can wipe chalk marks on the whole blackboard main body conveniently, the sliding bracket reciprocates to enable the wiping cloth to wipe the chalk marks on the blackboard main body more cleanly, and the wiping cloth bracket is movably arranged in the wiping cloth bracket groove and can be pulled out conveniently to be cleaned or replaced.

Description

Blackboard

Technical Field

The utility model relates to the technical field of teaching supplies, in particular to a blackboard.

Background

The blackboard is used as a teaching tool, after a period of writing, the blackboard eraser is required to wipe chalk marks on the blackboard, but the blackboard eraser is required to be used for wiping the chalk marks, so that a user needs to spend more time, the situation that local areas are not wiped cleanly is easy to occur, and the blackboard is not easy to wipe when the chalk marks are higher, more inconvenience is brought to the user, and the using effect is poor, so that the blackboard is needed to solve the problems.

Disclosure of utility model

In order to overcome the technical problems described above, the present utility model aims to provide a blackboard, which solves the problems that the use of the blackboard eraser provided in the background art takes more time for users, local areas are not easy to wipe cleanly, and when the chalk is high, the blackboard is not easy to wipe, so that more inconvenience is brought to users, and the use effect is poor.

The utility model provides the following technical scheme: the utility model provides a blackboard, includes blackboard main part mechanism, blackboard main part mechanism includes blackboard frame and blackboard main part, fixedly connected with blackboard main part on the blackboard frame, sliding groove mechanism includes the sliding groove, the top and the bottom fixedly connected with sliding groove of blackboard frame, sliding connection has the sliding bracket on the sliding groove, fixedly connected with first spring on the sliding bracket, fixedly connected with spring plate on the first spring, the wiping cloth bracket groove has been seted up on the sliding bracket, swing joint has the wiping cloth support on the wiping cloth bracket groove, fixedly connected with removes handle and wiping cloth on the wiping cloth bracket, removes the sliding bracket through removing the handle and wipes up and down of whole blackboard main part, conveniently wipes the chalk trace, and sliding bracket reciprocating motion makes the wiping cloth clean the chalk trace on the blackboard main part, and wiping cloth support movable mounting is in wiping cloth bracket groove, conveniently pulls out and clear up or change, and this method simple structure, convenient operation has improved the practicality and the work efficiency of device.

Further, the bottom fixedly connected with of blackboard frame gathers dust the box support, the activity has placed the box that gathers dust on the box support that gathers dust, conveniently collects the clearance with the dust that the chalk mark produced is cleaned to the wiper through the box that gathers dust, avoids it to fall on subaerial polluted environment, has improved device job stabilization nature and practicality.

Further, the first spring is fixedly connected with the spring plate, the first spring is pressed by the low-pressure spring plate of the wiping support to shrink, so that the wiping cloth is tightly attached to the surface of the blackboard main body, the chalk mark wiping effect on the blackboard main body is better, and the working efficiency and the practicability of the device are improved.

Further, the sliding support is provided with the rotating wheel grooves, the number of the rotating wheel grooves is two, the rotating wheels are rotationally connected in the rotating wheel grooves, friction force between the sliding support and the sliding grooves is reduced through rotation of the rotating wheels, the sliding support is enabled to move more smoothly, powder handwriting wiping is facilitated, and practicality of the device is improved.

Further, the spring groove has been seted up on the cloth support, and the quantity in spring groove is four, fixedly connected with second spring in the spring groove, fixedly connected with pressure pearl on the second spring, the pressure pearl groove has been seted up in the cloth support groove, and the quantity in pressure pearl groove is four, fixes the cloth support in the cloth support groove through four pressure pearls and pressure pearl groove block, prevents to wipe the cloth support and drop from wiping the cloth support groove and break, and pressure pearl groove be convenient for separate, conveniently dismantle the cloth support and push down the spring board shrink, improved the job stabilization nature and the practicality of device.

Further, fixedly connected with dust board on the cloth support, dust board shields the dust that produces when wiping the powder handwriting with the cloth, reduces the flying upward of dust, makes the dust fall along the dust board and collects in the box that gathers dust, has improved the practicality and the job stabilization nature of device.

The utility model has the technical effects and advantages that:

1. According to the utility model, the sliding groove, the sliding support, the first spring, the spring plate, the wiping support groove, the wiping support, the movable handle and the wiping cloth are arranged, the sliding support is moved through the movable handle, the wiping cloth wipes the whole blackboard main body up and down, so that chalk marks are conveniently wiped, the sliding support reciprocates to enable the wiping cloth to wipe the chalk marks on the blackboard main body more cleanly, the wiping support is movably arranged in the wiping support groove, and the wiping support is conveniently pulled out for cleaning or replacement.

2. According to the utility model, the spring groove, the second spring, the pressing beads and the pressing bead groove are arranged, the four pressing beads are clamped with the pressing bead groove to fix the wiping cloth support in the wiping cloth support groove, so that the wiping cloth support is prevented from falling off and being broken from the wiping cloth support groove, the pressing beads and the pressing bead groove are convenient to separate, the wiping cloth support is convenient to detach and the pressing spring plate is convenient to contract, and the working stability and the practicability of the device are improved.

Drawings

Fig. 1 is a front perspective view of the overall structure of the present utility model.

Fig. 2 is a schematic view of a sliding bracket structure according to the present utility model.

Fig. 3 is a schematic cross-sectional view of a sliding bracket structure according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

Fig. 5 is an enlarged schematic view of the structure at B in fig. 3 according to the present utility model.

The reference numerals are: 100. a blackboard body mechanism; 110. a blackboard frame; 111. a blackboard body; 200. a sliding groove mechanism; 210. a sliding groove; 211. a sliding support; 212. a first spring; 213. a spring plate; 214. a wipe support groove; 215. a wiper support; 216. a moving handle; 217. a wiping cloth; 218. a spring groove; 219. a second spring; 220. pressing the beads; 221. a bead pressing groove; 222. rotating the wheel groove; 223. a rotating wheel; 224. a dust-blocking plate; 225. a dust collection box bracket; 226. and a dust collection box.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Embodiment one:

Referring to fig. 1, 2, 3, 4 and 5 in the drawings of the specification, the utility model provides a blackboard, which comprises a blackboard main body mechanism 100, wherein the blackboard main body mechanism 100 comprises a blackboard frame 110 and a blackboard main body 111, the blackboard main body 111 is fixedly connected to the blackboard frame 110, the sliding groove mechanism 200 comprises sliding grooves 210, the sliding grooves 210 are fixedly connected to the top and the bottom of the blackboard frame 110, the sliding grooves 210 are slidably connected with sliding brackets 211, the sliding brackets 211 are fixedly connected with first springs 212, the first springs 212 are fixedly connected with spring plates 213, the sliding brackets 211 are provided with wiping bracket grooves 214, the wiping bracket grooves 214 are movably connected with wiping brackets 215, the wiping bracket 215 is fixedly connected with moving handles 216 and wiping cloths 217, the first springs 212 are fixedly connected with spring plates 213, the wiping bracket 215 is provided with spring grooves 218, the number of the spring grooves 218 is four, the second springs 219 are fixedly connected to the inside the spring grooves 218, the second springs 219 are fixedly connected with pressing beads 220, and the inside the wiping bracket grooves 214 are provided with pressing beads 221.

Working principle: when the chalk marks on the blackboard body 111 are wiped, the sliding support 211 is moved by holding the moving handle 216, the sliding support 211 moves along the sliding groove 210 to enable the wiper 217 to wipe the chalk marks on the blackboard body 111, the moving handle 216 is pressed down, the pressing beads 220 are pressed against the pressing second springs 219 to shrink so that the pressing beads 220 are separated from the pressing bead grooves 221, the wiper support 215 is pressed against the spring plates 213 to shrink the first springs 212, the wiper 217 is tightly attached to the blackboard body 111, the chalk marks on the blackboard body 111 are wiped better, after wiping is completed, the wiper 217 needs to be cleaned, the pressing beads 220 are separated from the pressing bead grooves 221 by pulling the moving handle 216 outwards, and the wiper support 215 is taken out from the wiper support grooves 214 to clean or replace the wiper 217, so that the wiper 217 is kept clean and tidy.

Embodiment two:

Referring to fig. 1 and 4 of the drawings, the second embodiment differs from the first embodiment in that: the bottom of the blackboard frame 110 is fixedly connected with a dust collecting box bracket 225, a dust collecting box 226 is movably arranged on the dust collecting box bracket 225, the sliding bracket 211 is provided with two rotating wheel grooves 222, the rotating wheel grooves 222 are rotationally connected with rotating wheels 223, and the dust baffle 224 is fixedly connected with the wiping cloth bracket 215.

Working principle: when the chalk marks on the blackboard main body 111 are wiped, the movable handle 216 is pulled to enable the sliding support 211 to move, the rotating wheel 223 rotates in the sliding groove 210, friction force between the sliding support 211 and the sliding groove 210 is reduced, the sliding support 211 moves more smoothly, a large amount of dust is conveniently wiped, the dust is shielded by the dust shielding plate 224 when the chalk marks are wiped, the dust is prevented from flying to pollute the working environment, the dust is shielded to fall along the dust shielding plate 224, and the dust falls into the dust collection box 226 to be collected and processed in a concentrated mode, so that the dust is prevented from falling on the ground, and cleaning is convenient.

Claims (6)

1. A blackboard, comprising a blackboard main body mechanism (100), wherein the blackboard main body mechanism (100) comprises a blackboard frame (110) and a blackboard main body (111), wherein the blackboard main body (111) is fixedly connected to the blackboard frame (110), characterized in that: A sliding groove mechanism (200), the sliding groove mechanism (200) comprises a sliding groove (210), the top and bottom of the blackboard frame (110) are fixedly connected with the sliding groove (210), the sliding groove (210) is slidably connected with a sliding bracket (211), the sliding bracket (211) is fixedly connected with a first spring (212), the first spring (212) is fixedly connected with a spring plate (213), the sliding bracket (211) is provided with a wiping cloth bracket groove (214), the wiping cloth bracket (215) is movably connected with the wiping cloth bracket (214), and the wiping cloth bracket (215) is fixedly connected with a movable handle (216) and a wiping cloth (217). 2. A blackboard according to claim 1, characterized in that: a dust box bracket (225) is fixedly connected to the bottom of the blackboard frame (110), and a dust box (226) is movably placed on the dust box bracket (225). 3. A blackboard according to claim 1, characterized in that a spring plate (213) is fixedly connected to the first spring (212). 4. A blackboard according to claim 1, characterized in that: a rotating wheel groove (222) is provided on the sliding bracket (211), and the number of the rotating wheel grooves (222) is two, and a rotating wheel (223) is rotatably connected in the rotating wheel groove (222). 5. A blackboard according to claim 1, characterized in that: a spring groove (218) is provided on the wiping cloth holder (215), and the number of the spring grooves (218) is four, a second spring (219) is fixedly connected in the spring groove (218), a pressing bead (220) is fixedly connected to the second spring (219), and a pressing bead groove (221) is provided in the wiping cloth holder groove (214), and the number of the pressing bead grooves (221) is four. 6. A blackboard according to claim 1, characterized in that a dust shield (224) is fixedly connected to the cloth holder (215).