CN209756577U

CN209756577U - Multifunctional blackboard

Info

Publication number: CN209756577U
Application number: CN201920142359.0U
Authority: CN
Inventors: 魏嘉琪
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-28
Filing date: 2019-01-28
Publication date: 2019-12-10
Anticipated expiration: 2029-01-28

Abstract

the utility model discloses a multifunctional blackboard in the field of teaching appliances, which comprises a supporting bottom plate, wherein the top two ends of the supporting bottom plate are respectively provided with a supporting side plate, a blackboard is arranged between two groups of supporting side plates, the upper and lower ends of the blackboard are respectively horizontally provided with a rack, a cleaning supporting block is sleeved outside the blackboard, the middle part of the inner cavity of the front side wall of the cleaning supporting block is provided with a chute, the side walls at the two ends of the cleaning supporting block are respectively provided with three groups of dust suction fans, the same side of the dust suction fans are communicated with an air pipe, a dust suction fan supporting frame is fixedly connected between the air pipe and the side wall of the cleaning supporting block, and mechanisms such as a first driving motor, a lead screw, a second driving motor, a driving gear, a rack and the like are arranged, so that the blackboard can be, make the operation of whole equipment more steady, be favorable to the utility model discloses a popularization.

Description

Multifunctional blackboard

Technical Field

The utility model relates to a teaching aid field specifically is a multifunctional blackboard.

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 blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk. Mostly black, greenish black, white or beige.

The blackboard is one of the most common tools of daily teaching and training, and the blackboard that uses at present is traditional blackboard mostly, and its face area that can supply to write is limited, needs the manual work to clean, can produce a large amount of chalk dust, and dust pollution is serious, is harmful healthy. Meanwhile, the process of wiping and manually pushing and pulling the plurality of blackboards wastes time and labor, the classroom time is wasted, a large amount of physical strength of teachers is wasted, part of high positions of the blackboards are difficult to wipe, and the blackboards are easy to be made into dust during wiping.

Based on this, the utility model designs a multifunctional blackboard to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multifunctional blackboard to solve the current cable connector for mine who proposes in the above-mentioned background art because the special of environment, external material causes the corruption to the surface of cable connector very easily in the use, influences cable connector's life's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a multifunctional blackboard comprises a supporting bottom plate, wherein supporting side plates are respectively arranged at two ends of the top of the supporting bottom plate, a blackboard is arranged between two groups of the supporting side plates, racks are respectively horizontally arranged at the upper end and the lower end of the blackboard, a cleaning supporting block is sleeved at the outer side of the blackboard, a sliding chute is arranged in the middle of the inner cavity of the front side wall of the cleaning supporting block, three groups of dust suction fans are respectively arranged at two ends of the side wall of the cleaning supporting block, an air pipe is communicated between two adjacent groups of the dust suction fans at the same side, a dust suction fan supporting frame is fixedly connected between the air pipe and the side wall of the cleaning supporting block, fixed blocks are fixedly connected at two ends of the front side wall of the cleaning supporting block, a lead screw is arranged between the two groups of the fixed blocks in a penetrating manner, the cleaning support block comprises a cleaning support block inner cavity and is characterized in that two sets of gear racks are respectively arranged at the top and the bottom of the inner cavity of the cleaning support block, a drive shaft is arranged between the outer ends of the gear racks, second drive motors are arranged at two ends of the rear side wall of the cleaning support block, the output shafts of the second drive motors are fixedly connected with the inner ends of the drive shafts, a drive gear is sleeved in the middle of the drive shaft, two sets of support wheels are symmetrically arranged on the inner side wall of the cleaning support block outside the drive gear, slide rails are arranged in the middle of the front side wall of the inner cavity of the cleaning support block, slide blocks are sleeved on the side wall of.

Preferably, the sliding block includes internal thread slider, connecting rod and link block, the connecting rod sets up between internal thread slider and link block's lateral wall middle part, the connecting rod runs through to set up in the spout inner chamber, and link block's both ends lateral wall is provided with the slip recess, can have more the position that the clean brush of demand regulation for the device can clean the partial content of blackboard, need not all to clean, presses close to the practicality.

Preferably, the screw rod is movably connected with the fixed block through a bearing, so that the rotating flexibility of the screw rod is improved, and the running burden of the first driving motor is reduced.

Preferably, the distance between the two groups of supporting wheels at the upper end and the distance between the two groups of supporting wheels at the lower end are equal to the thickness of the black plate, so that the cleaning supporting block can move stably and is not easy to shake.

Preferably, the driving gears are meshed with the corresponding racks, the rotating directions of the two groups of second driving motors are opposite, and the two groups of second driving motors can be matched with each other to drive the cleaning supporting block to move horizontally and clean.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model adopts an adjustable automatic cleaning mechanism, so that the user can achieve the purpose of automatically cleaning the blackboard only through an external switch control circuit during operation, and can clean the blackboard part plate more as required rather than all the blackboard parts in a unified way, thereby meeting the teaching requirement more; secondly, six groups of dust absorption fans are arranged, when the blackboard content is wiped, the dust absorption fans can simultaneously run to quickly absorb dust generated by wiping, air dust pollution is prevented, and the health of teachers and students can be protected; moreover, be provided with mechanisms such as first driving motor, lead screw, second driving motor, drive gear and rack, can cooperate and carry out diversified cleaning for the blackboard clean more swiftly high-efficient, the cooperation supporting wheel setting makes the operation of whole equipment more steady, is favorable to the utility model discloses a popularization.

Drawings

in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a schematic view of the cleaning support block of the present invention;

Fig. 3 is a schematic view of the sliding block structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-supporting bottom plate, 2-supporting side plate, 3-blackboard, 4-rack, 5-cleaning supporting block, 51-chute, 6-dust-absorbing fan (, 7-air pipe, 8-dust-absorbing fan supporting frame, 9-fixed block, 10-screw rod, 11-first driving motor, 12-gear rack, 13-driving shaft, 14-second driving motor, 15-driving gear, 16-supporting wheel, 17-sliding rail, 18-sliding block, 181-internal thread sliding block, 182-connecting rod, 183-connecting sliding block, 184-sliding groove and 19-cleaning brush.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a multifunctional blackboard comprises a supporting bottom plate 1, wherein supporting side plates 2 are respectively arranged at two ends of the top of the supporting bottom plate 1, a blackboard 3 is arranged between the two groups of supporting side plates 2, racks 4 are respectively and horizontally arranged at the upper end and the lower end of the blackboard 3, a cleaning supporting block 5 is sleeved at the outer side of the blackboard 3, a chute 51 is arranged in the middle of an inner cavity of the front side wall of the cleaning supporting block 5, three groups of dust suction fans 6 are respectively arranged at two ends of the cleaning supporting block 5, an air pipe 7 is communicated between two adjacent groups of the three groups of dust suction fans 6 at the same side, a dust suction fan supporting frame 8 is fixedly connected between the air pipe 7 and the side wall of the cleaning supporting block 5, fixed blocks 9 are fixedly connected at two ends of the front side wall of the cleaning supporting block 5, a screw rod 10 is arranged between the two groups of the, the top and the bottom of the inner cavity of the cleaning support block 5 are respectively provided with two sets of gear racks 12, a drive shaft 13 is arranged between the outer ends of the two sets of gear racks 12, the two ends of the rear side wall of the cleaning support block 5 are respectively provided with a second drive motor 14, the output shaft of the second drive motor 14 is fixedly connected with the inner end of the drive shaft 13, the middle part of the drive shaft 13 is sleeved with a drive gear 15, the inner side wall of the cleaning support block 5 outside the two sets of drive gears 15 is symmetrically provided with two sets of support wheels 16, the middle part of the front side wall of the inner cavity of the cleaning support block 5 is provided with a slide rail 17, the side wall of the screw rod 10 is.

The sliding block 18 includes an internal thread sliding block 181, a connecting rod 182 and a connecting sliding block 183, the connecting rod 182 is disposed between the middle portions of the side walls of the internal thread sliding block 181 and the connecting sliding block 183, the connecting rod 182 is disposed in the inner cavity of the sliding groove 51 in a penetrating manner, and the side walls of the two ends of the connecting sliding block 183 are provided with sliding grooves 184. And secondly, the screw rod 10 is movably connected with the fixed block 9 through a bearing. Further, the distance between the two sets of support wheels 16 at the upper end and the distance between the two sets of support wheels 16 at the lower end are equal to the thickness of the black plate. Finally, the driving gears 15 are meshed with the corresponding racks 4, and the two sets of second driving motors 14 run in opposite rotation directions.

One specific application of this embodiment is: when a blackboard needs to be wiped, an external power supply is switched on through a control switch so that a first driving motor 11 rotates, the first driving motor 11 rotates to drive a screw rod 10 to rotate, the screw rod 10 rotates a sliding block 18 with threaded connection to slide to adjust the position, at the moment, a cleaning brush 19 contacts with the blackboard surface to wipe, the external power supply is switched on through the control switch so that a second driving motor 14 rotates, the second driving motor 14 rotates to drive a driving gear 15 to rotate, the driving gear 15 and the second driving motor 14 generate relative displacement, so that the whole cleaning and supporting block 5 transversely translates, the cleaning and supporting block 5 translates more stably through the supporting movement of a supporting wheel 16, the first driving motor 11 and the second driving motor 14 are mutually matched to adjust the position of the cleaning brush 19 according to requirements, the blackboard surface is wiped, and meanwhile, the external power supply is switched on through the control switch so that six groups of dust suction fans 6 operate, the dust collection fan 6 operates to absorb and collect dust generated by wiping, and the dust collection fan 6 and the cleaning brush 19 are detached for cleaning after being used for a period of time, so that the cleaning force of subsequent use is improved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a multifunctional blackboard, includes supporting baseplate (1), its characterized in that: the utility model discloses a dust collection device, including supporting bottom plate (1), it is provided with support curb plate (2) equally divide at the top both ends respectively, and is two sets of be provided with blackboard (3) between support curb plate (2), the upper and lower both ends of blackboard (3) are equallyd divide and are do not levelly provided with rack (4), clean supporting shoe (5) have been cup jointed in the outside of blackboard (3), the preceding lateral wall inner chamber middle part of clean supporting shoe (5) is provided with spout (51), the both ends lateral wall of clean supporting shoe (5) is equallyd divide and is provided with three sets of dust absorption fan (6), and three sets of homonymy communicate between adjacent two sets of dust absorption fan (6) has trachea (7), fixedly connected with dust absorption fan support frame (8) between the lateral wall of trachea (7) and clean supporting shoe (5), preceding lateral wall, a first driving motor (11) is arranged at the top of the upper fixing block (9), an output shaft of the first driving motor (11) is fixedly connected with the upper end of a screw rod (10), two sets of gear carriers (12) are respectively arranged at the top and the bottom of an inner cavity of the cleaning supporting block (5), a driving shaft (13) is arranged between the outer ends of the two sets of gear carriers (12), second driving motors (14) are respectively arranged at two ends of the rear side wall of the cleaning supporting block (5), the output shaft of each second driving motor (14) is fixedly connected with the inner end of the driving shaft (13), a driving gear (15) is sleeved at the middle part of the driving shaft (13), two sets of supporting wheels (16) are symmetrically arranged on the inner side wall of the cleaning supporting block (5) outside the driving gear (15), and a sliding rail (17) is arranged in the middle part, the lateral wall of lead screw (10) has cup jointed sliding block (18), sliding block (18) pass through slide rail swing joint with clean supporting shoe (5), the inner of sliding block (18) is provided with cleaning brush (19).

2. The multi-functional blackboard according to claim 1, characterised in that: the sliding block (18) comprises an internal thread sliding block (181), a connecting rod (182) and a connecting sliding block (183), the connecting rod (182) is arranged between the middle parts of the side walls of the internal thread sliding block (181) and the connecting sliding block (183), the connecting rod (182) penetrates through the inner cavity of the sliding groove (51), and the side walls of the two ends of the connecting sliding block (183) are provided with sliding grooves (184).

3. The multi-functional blackboard according to claim 1, characterised in that: the screw rod (10) is movably connected with the fixed block (9) through a bearing.

4. The multi-functional blackboard according to claim 1, characterised in that: the distance between the two groups of support wheels (16) at the upper end and the distance between the two groups of support wheels (16) at the lower end are equal to the thickness of the black board.

5. The multi-functional blackboard according to claim 1, characterised in that: the driving gears (15) are meshed with the corresponding racks (4), and the rotating directions of the two groups of second driving motors (14) are opposite.