CN213565167U

CN213565167U - Movable blackboard capable of automatically wiping blackboard

Info

Publication number: CN213565167U
Application number: CN202022563652.XU
Authority: CN
Inventors: 林毅贞; 伍玩秋; 黄礼万; 潘新宇
Original assignee: Yangjiang Polytechnic
Current assignee: Yangjiang Polytechnic
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-06-29
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a can wipe removal blackboard of blackboard automatically, including the sheet frame, sheet frame top inner wall has the insulated column through the bolt fastening, each sliding connection in insulated column left and right sides has the blackboard subassembly, the blackboard subassembly includes sliding connection at the preceding blackboard and the back blackboard of insulated column lateral wall, blackboard and sheet frame relative lateral wall have been seted up respectively before supplying and first slide and the second slide of back blackboard gliding, it has same subassembly that pulls to connect between preceding blackboard and the back blackboard, preceding blackboard face and back all are equipped with clean subassembly. The utility model discloses a clean subassembly that sets up can make the blackboard can clean the blackboard surface at the in-process that reciprocates, removes about the cleaning cloth that realizes through drive assembly in addition, has guaranteed to clean the clean degree of blackboard after, even the classmate that the height is not enough also can easily realize the all-round on blackboard surface and clean.

Description

Movable blackboard capable of automatically wiping blackboard

Technical Field

The utility model relates to a teaching tool technical field especially relates to a can wipe removal blackboard of blackboard automatically.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The existing blackboard has the defect that dust cannot be collected when the blackboard is erased, the dust can threaten health of teachers and students, meanwhile, the work of erasing the blackboard after writing is also inevitable, and if the blackboard is erased by students with lower heights, the erased blackboard cannot be used for directly writing contents because the erased blackboard cannot be completely erased at high positions.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a movable blackboard capable of automatically erasing the blackboard.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a movable blackboard capable of automatically wiping a blackboard comprises a plate frame, wherein a separation column is fixed on the inner wall of the top of the plate frame through bolts, each of the left side and the right side of the separation column is connected with a blackboard assembly in a sliding manner, the blackboard assemblies comprise a front blackboard and a rear blackboard which are connected on the side wall of the separation column in a sliding manner, a first slide way and a second slide way which are used for sliding the front blackboard and the rear blackboard are respectively arranged on the opposite side wall of the separation column and the plate frame, the same traction assembly is connected between the front blackboard and the rear blackboard, cleaning assemblies are arranged on the surface and the back of the front blackboard and comprise cleaning boxes which are fixed in the middle of the opposite side wall of the plate frame and the back of the front blackboard through bolts, the cleaning boxes are perpendicular to the separation column, rotating rods are rotatably connected on the two sides of the inner wall, two the dwang bottom all is provided with the transmission assembly who realizes its rotation.

Preferably, the four corners of the outer wall of the front blackboard far away from the plate frame are fixed with mounting feet through bolts.

Preferably, the traction assembly comprises a support rod fixed on the inner wall of one side of the plate frame through a bolt, the two sides of the support rod are respectively sleeved with a first pulley and a second pulley, the first pulley and the second pulley are respectively sleeved with a connecting chain, and the two ends of the connecting chain are fixedly connected with the front blackboard and the outer wall of the top of the rear blackboard.

Preferably, transmission assembly includes the backup pad that clean box bottom inner wall was seted up, backup pad and clean box are close to backup pad one side inner wall and rotate and be connected with same pivot, the pivot cover is equipped with drive gear and first conical gear, clean box bottom inner wall rotates and is connected with the axis of rotation, the axis of rotation cover is equipped with second conical gear, preceding blackboard and back blackboard are close to clean box lateral wall outside and all have the rack through the bolt fastening, and rack and drive gear intermeshing, first conical gear and second conical gear intermeshing, dwang and axis of rotation all overlap and are equipped with the belt pulley, two the belt pulley cover is equipped with same belt.

Preferably, the length of the connecting chain is equal to the sum of the diameter of the first pulley and the width of the front blackboard.

Preferably, the front blackboard and the rear blackboard have the same specification.

The utility model has the advantages that:

1. the movable blackboard capable of automatically wiping the blackboard can move up and down through the arranged traction assembly, the specifications of the front blackboard and the rear blackboard are the same, in addition, due to the characteristic of the pulleys in the traction assembly, the downward pulling process is easy, and the upward and downward movement of the blackboard can be realized without too much effort.

2. The movable blackboard capable of automatically wiping the blackboard can wipe the surface of the blackboard in the process of moving up and down by the cleaning component, and the cleaning cloth which is realized by the transmission component moves left and right to ensure the cleanness of the blackboard after wiping, so that the blackboard can be wiped in all directions easily even if students with insufficient height.

3. The movable blackboard capable of automatically wiping the blackboard can enable dust after wiping to be remained in the cleaning box through the arranged cleaning box, so that dust is prevented from scattering all over, and health of teaching staff and students is effectively protected.

Drawings

Fig. 1 is a schematic perspective view of a movable blackboard capable of automatically erasing a blackboard according to the present invention;

FIG. 2 is a schematic side sectional view of a movable blackboard capable of automatically erasing a blackboard according to the present invention;

FIG. 3 is a schematic front sectional view showing a movable blackboard capable of automatically erasing a blackboard according to the present invention;

fig. 4 is a front sectional structural schematic view of a cleaning assembly of a movable blackboard capable of automatically erasing the blackboard provided by the utility model.

In the figure: 1 isolating column, 2 plate frames, 3 mounting feet, 4 first slide ways, 5 rear blackboards, 6 cleaning boxes, 7 front blackboards, 8 first pulleys, 9 connecting ropes, 10 second slide ways, 11 second pulleys, 12 supporting rods, 13 rotating rods, 14 cleaning cloth, 15 rotating shafts, 16 supporting plates, 17 belt pulleys, 18 belts, 19 transmission gears, 20 first bevel gears and 21 second bevel gears.

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.

Referring to fig. 1-4, a movable blackboard capable of automatically erasing a blackboard comprises a plate frame 2, an isolation column 1 is fixed on the inner wall of the top of the plate frame 2 through bolts, blackboard assemblies are respectively connected on the left side and the right side of the isolation column 1 in a sliding manner, each blackboard assembly comprises a front blackboard 7 and a rear blackboard 5 which are connected on the side wall of the isolation column 1 in a sliding manner, the specifications of the front blackboard 7 and the rear blackboard 5 are the same, mounting legs 3 are fixed on four corners of the outer wall of the plate frame 2 far away from the front blackboard 7 through bolts, the isolation column 1 and the opposite side walls of the plate frame 2 are respectively provided with a first slideway 4 and a second slideway 10 for the sliding of the front blackboard 7 and the rear blackboard 5, the same traction assembly is connected between the front blackboard 7 and the rear blackboard 5 and comprises a support rod 12 which is fixed on the inner wall of one side of the plate frame 2 through bolts, a first pulley, two ends of two connecting chains 9 are fixedly connected with the outer walls of the tops of a front blackboard 7 and a rear blackboard 5, the length of the connecting chains 9 is equal to the sum of the diameter of a first pulley 8 and the width of the front blackboard 7, the surface and the back of the front blackboard 7 are respectively provided with a cleaning assembly, the cleaning assembly comprises a cleaning box 6 which is fixed between the middle of the opposite side wall of a board frame 2 and the back of the front blackboard through bolts, the cleaning box 6 is perpendicular to an isolation column 1, two sides of the inner wall of the top of the cleaning box 6 are rotatably connected with rotating rods 13, the two rotating rods 13 are parallel to the front blackboard 7, the two rotating rods 13 are sleeved with the same cleaning cloth 14, the bottoms of the two rotating rods 13 are respectively provided with a transmission assembly for realizing the rotation of the cleaning box, the transmission assembly comprises a supporting plate 16 arranged on the inner wall of the bottom of the cleaning box 6, the inner wall of the bottom of the cleaning box 6 is rotatably connected with a rotating shaft, the rotating shaft sleeve is provided with a second bevel gear 21, the front blackboard 7 and the rear blackboard 5 are close to the outer part of the side wall of the cleaning box 6 and are respectively provided with a rack through bolts, the racks are mutually meshed with the transmission gears 19, the first bevel gear 20 and the second bevel gear 21 are mutually meshed, the rotating shaft 13 and the rotating shaft are respectively provided with a belt pulley 17 in a sleeved mode, and the two belt pulleys 17 are provided with the same belt.

The working principle is as follows: when the blackboard is used, the whole blackboard is firstly installed on a wall by the aid of the installed installation feet 3, the front blackboard 7 can be pulled downwards, the front blackboard 7 can slide to the bottom along the first slide way 4 arranged on the side wall of the isolation column 1 and the second slide way 10 arranged inside the side wall of the plate frame 2, the connecting chain 9 fixed on the outer wall of the top of the front blackboard 7 can pull the rear blackboard 5 to move upwards through the first pulley 8 and the second pulley 11, when the front blackboard 7 has no writing space, the front blackboard 7 only needs to be pushed upwards, the rack fixed on the outer wall of the front blackboard 7 can drive the transmission gear 19 to rotate, the transmission gear 19 drives the rotating shaft 15 to rotate, the rotating shaft 15 drives the first bevel gear 20 to rotate, the first bevel gear 20 drives the second bevel gear 21 to rotate, the rotating shaft is driven by the second bevel gear 21 to rotate, the belt pulley on the rotating shaft drives the rotating rod, the dwang 13 drives cleaning cloth 14 and begins to clean the blackboard surface, when using preceding blackboard 7 again, when upwards promoting back blackboard 5, the cleaning assembly works with same form, and the different direction that cleans begins to work, also is when blackboard 7 surface is write in the front again, and preceding blackboard 7 has been cleaned twice by the cleaning assembly, has guaranteed the clean degree of cleaning, and the cleaning assembly fixed at preceding blackboard 7 back can clean back blackboard 5 with same working method.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a can wipe removal blackboard of blackboard automatically, includes sheet frame (2), its characterized in that, sheet frame (2) top inner wall has separation post (1) through the bolt fastening, each sliding connection of separation post (1) left and right sides has the blackboard subassembly, the blackboard subassembly includes preceding blackboard (7) and back blackboard (5) of sliding connection at separation post (1) lateral wall, separation post (1) and sheet frame (2) relative lateral wall are seted up respectively and are supplied first slide (4) and second slide (10) of preceding blackboard (7) and back blackboard (5) gliding, it has same traction assembly to connect between preceding blackboard (7) and back blackboard (5), preceding blackboard (7) face and back all are equipped with clean subassembly, clean subassembly includes through the clean box (6) of bolt fastening in the middle of sheet frame (2) relative lateral wall and preceding blackboard back, and clean box (6) perpendicular to insulated column (1), clean box (6) top inner wall both sides are rotated and are connected with dwang (13), and two dwang (13) all are on a parallel with preceding blackboard (7), two dwang (13) cover is equipped with same cleaning cloth (14), two dwang (13) bottom all is provided with realizes its rotatory transmission assembly.

2. The movable blackboard capable of automatically wiping the blackboard according to claim 1, wherein the four corners of the outer wall of the board frame (2) far away from the front blackboard (7) are fixed with mounting feet (3) through bolts.

3. The movable blackboard capable of automatically erasing a blackboard according to claim 1, wherein the traction assembly includes a support rod (12) fixed to the inner wall of one side of the board frame (2) through a bolt, the two sides of the support rod (12) are respectively sleeved with a first pulley (8) and a second pulley (11), the first pulley (8) and the second pulley (11) are both sleeved with a connecting chain (9), and two ends of the connecting chain (9) are both fixedly connected with the top outer walls of the front blackboard (7) and the rear blackboard (5).

4. The movable blackboard capable of automatically wiping blackboard according to claim 1, wherein the transmission assembly comprises a support plate (16) arranged at the inner wall of the bottom of the cleaning box (6), the support plate (16) and the cleaning box (6) are connected with the same rotating shaft (15) near the inner wall of one side of the support plate (16) in a rotating way, the rotating shaft (15) is sleeved with a transmission gear (19) and a first bevel gear (20), the inner wall of the bottom of the cleaning box (6) is connected with a rotating shaft in a rotating way, the rotating shaft is sleeved with a second bevel gear (21), the front blackboard (7) and the rear blackboard (5) are both fixed with racks near the outer part of the side wall of the cleaning box (6) through bolts, the racks are mutually meshed with the transmission gear (19), the first bevel gear (20) and the second bevel gear (21) are mutually meshed, the rotating rod (13) and the rotating shaft are both, the two belt pulleys (17) are sleeved with the same belt (18).

5. A mobile blackboard capable of automatically erasing a blackboard according to claim 3, characterised in that the length of the link chain (9) is equal to the sum of the diameter of the first pulley (8) and the width of the front blackboard (7).

6. A movable blackboard capable of automatically erasing a blackboard according to claim 1, characterised in that the front blackboard (7) and the rear blackboard (5) have the same specification.