CN111775594A

CN111775594A - Blackboard for teaching

Info

Publication number: CN111775594A
Application number: CN202010529476.XA
Authority: CN
Inventors: 高秀侠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-10-16

Abstract

The invention discloses a blackboard for teaching, which comprises a fixed seat, wherein the upper end surface of the fixed seat is fixedly connected with an assembly frame, the inner side of the assembly frame is fixedly connected with a supporting seat, and mutually communicated accommodating grooves are formed between the supporting seat and the assembly frame; the writing board is fixedly connected to the assembly frame, and the wiping mechanism is arranged on the assembly frame. The blackboard for teaching is provided with the lifting mechanism between the base and the fixed seat, so that the height of the writing board can be conveniently adjusted in actual use, and the teaching effect is ensured; the assembling columns are fixedly connected to the two sides of the blackboard eraser and are connected with the cleaning screw rod and the sliding seat on the assembling rod, so that the blackboard eraser is convenient to assemble, disassemble and maintain, the sliding seat can control the rotation of the blackboard eraser, and different working surfaces of the blackboard eraser can be conveniently wiped; the back surface of the assembly frame is provided with a water storage cavity, and the water storage cavity is communicated with the spray head through a cleaning pump, so that the water storage cavity is convenient to be matched with the blackboard eraser, and the wiping effect of the writing board is ensured.

Description

Blackboard for teaching

Technical Field

The invention relates to a teaching board, in particular to a blackboard for teaching.

Background

The blackboard is a common training apparatus, is not limited to be used in schools and is visible anywhere in office places; under the existing business operation mode, each company needs to keep secret on internal training data, most of the traditional blackboards are manually wiped when being used, time and labor are wasted, wiping omission easily exists, data leakage is possibly caused, and the commercial operation of the company is not facilitated; therefore, there is a need for improvements in the prior art.

Disclosure of Invention

The invention aims to provide a blackboard for teaching, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a blackboard for teaching comprises a fixed seat, wherein the upper end face of the fixed seat is fixedly connected with an assembly frame, the section of the assembly frame is in a transverse U shape, the inner side of the assembly frame is fixedly connected with two vertical supporting seats, the two supporting seats are arranged at intervals, and mutually communicated accommodating grooves are formed between the two supporting seats and the assembly frame; the assembly frame is fixedly connected with a writing board, and a wiping mechanism is arranged on the assembly frame; as a further scheme of the invention: the cleaning mechanism comprises a cleaning screw rod and an assembling rod, the cleaning screw rod and the assembling rod are arranged at intervals and are respectively assembled in the supporting seat, one end of the cleaning screw rod extends to the upper end face of the assembling frame and is in transmission connection with a cleaning motor; the first cleaning screw rod is provided with a first sliding seat which is in transmission fit with the first cleaning screw rod, the assembly rod is connected with a second sliding seat in a sliding way, an eraser is arranged between the first sliding seat and the second sliding seat, and the eraser is positioned below the writing board; the back of the assembly frame is fixedly connected with an installation seat, a water storage cavity is arranged on the installation seat, the water storage cavity is connected with a cleaning pump through a water pipe, one end of the water pipe, which is far away from the water storage cavity, is connected with a spray head, the cleaning pump is assembled on the installation seat, and a power supply is distributed on the assembly frame; the shower nozzle is located the inboard upper portion of assembly jig, and three and interval are no less than to the quantity of shower nozzle and lay, and the shower nozzle slope is laid and is faced the clipboard.

As a further scheme of the invention: the blackboard eraser comprises a front working surface and a rear working surface, the left end and the right end of the blackboard eraser are fixedly connected with assembly columns, the assembly columns are connected with clamping blocks through clamping springs, and the clamping springs drive the clamping blocks to extend to the outer sides of the assembly columns under the non-external force condition; the first sliding seat and the second sliding seat are identical in shape, an assembly shaft is rotatably connected to the first sliding seat and the second sliding seat, a non-through assembly groove is formed in the assembly shaft, a clamping groove communicated with the outside is formed in the assembly shaft, and a positioning pin is fixedly connected to the clamping block and matched with the clamping groove.

As a further scheme of the invention: a base is arranged below the fixed seat, a lifting mechanism is arranged between the base and the fixed seat, the lifting mechanism comprises assembly seats, the assembly seats are arranged on the upper end face of the base and fixedly connected with the base, the number of the assembly seats is two, the assembly seats are arranged at intervals, a horizontal adjusting screw rod is assembled between the two assembly seats, one end of the adjusting screw rod extends to the outer side of the assembly seats and is in transmission connection with an adjusting motor, and the adjusting motor is arranged at the upper end of the base; the adjusting screw rod is provided with two lower sliding seats which are arranged at intervals and are in transmission fit with the adjusting screw rod; the lower end face of the fixing seat is provided with two upper sliding seats in a sliding mode, the two upper sliding seats are arranged at intervals, a connecting rod is rotatably arranged between the upper sliding seats and the lower sliding seats opposite to the upper sliding seats in an inclined mode, and the two connecting rods are hinged to each other.

As a further scheme of the invention: vertical bracing pieces are connected between the fixing base and the base, the number of the bracing pieces is four, the bracing pieces are distributed at four corners of the rectangular shape, and the bracing pieces are telescopic rods.

As a further scheme of the invention: the cleaning motor is a stepping motor, and the type of the motor of the adjusting motor is the same as that of the cleaning motor.

As a further scheme of the invention: the spray head is an atomizing spray head.

As a further scheme of the invention: the universal wheels are installed at the lower end of the base, the number of the universal wheels is four, the universal wheels are distributed at four corners of the base in a rectangular mode, and locking switches are arranged on the universal wheels.

Compared with the prior art, the invention has the beneficial effects that: the blackboard for teaching is simple in structure and convenient to move, the whole writing board can be completely cleaned by one-time reciprocating movement of the blackboard eraser, and a leakage area is avoided; the lifting mechanism is arranged between the base and the fixed seat, so that the height of the writing board can be conveniently adjusted in actual use, the teaching effect is ensured, and the lifting of the fixed seat is more stable through the matching of the adjusting screw rod and the connecting rod; the assembling columns are fixedly connected to the two sides of the blackboard eraser and are connected with the cleaning screw rod and the sliding seat on the assembling rod, so that the blackboard eraser is convenient to assemble, disassemble and maintain, the sliding seat can control the rotation of the blackboard eraser, and different working surfaces of the blackboard eraser can be conveniently wiped; the back of the assembly frame is provided with a water storage cavity which is communicated with the spray head through a cleaning pump, so that the water storage cavity is convenient to be matched with the blackboard eraser, and the wiping effect of the writing board is ensured; in addition, the blackboard eraser is controlled to ascend and descend through the cleaning screw rod, the writing board can be cleaned comprehensively, and meanwhile the blackboard eraser can be placed in the storage eraser when not used, so that the attractive appearance of the blackboard is ensured.

Drawings

Fig. 1 is a schematic structural view of a blackboard for teaching.

Fig. 2 is a schematic view of a connection structure of a fixing seat and an assembly frame in a blackboard for teaching.

Fig. 3 is a side view of the connection of the fixing seat and the assembly frame in the blackboard for teaching.

Fig. 4 is a schematic view of a connection structure of the eraser and the slide carriage in the blackboard for teaching.

Fig. 5 is a schematic view of a connection structure of a support seat and an assembly bracket in a blackboard for teaching.

Fig. 6 is a schematic structural view of a carriage in a blackboard for teaching.

Fig. 7 is a schematic structural diagram of an eraser in a blackboard for teaching.

In the figure: 1-a fixed seat, 2-an assembly frame, 3-a cleaning screw rod, 4-a slide seat I, 5-a slide seat II, 6-an assembly rod, 7-a cleaning motor, 8-a spray head, 9-a writing board, 10-an eraser, 11-a support seat, 12-a mounting seat, 13-a water storage cavity, 14-a cleaning pump, 15-a containing groove, 16-a clamping groove, 17-an assembly groove, 18-an assembly column, 19-a clamping block, 20-a clamping spring, 21-a positioning pin, 22-a support rod, 23-a base, 24-a universal wheel, 25-an assembly seat, 26-an adjusting screw rod, 27-a lower slide seat, 28-an upper slide seat, 29-a connecting rod and 30-an adjusting motor.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-7, a blackboard for teaching comprises a fixed seat 1, wherein the upper end surface of the fixed seat 1 is fixedly connected with an assembly frame 2, the section of the assembly frame 2 is in a horizontal U shape, the inner side of the assembly frame 2 is fixedly connected with vertical supporting seats 11, the number of the supporting seats 11 is two, the supporting seats 11 are arranged at intervals, and two mutually communicated accommodating grooves 15 are formed between the supporting seats 11 and the assembly frame 2; the assembly frame 2 is fixedly connected with a writing board 9, and the assembly frame 2 is provided with a wiping mechanism; the cleaning mechanism comprises a cleaning screw rod 3 and an assembling rod 6, the cleaning screw rod 3 and the assembling rod 6 are arranged at intervals and are respectively assembled in a supporting seat 11, one end of the cleaning screw rod 3 extends to the upper end face of the assembling frame 2 and is in transmission connection with a cleaning motor 7; the cleaning screw rod 3 is provided with a first sliding seat 4, the first sliding seat 4 is in transmission fit with the cleaning screw rod 3, a second sliding seat 5 is connected onto the assembling rod 6 in a sliding manner, an eraser 10 is arranged between the first sliding seat 4 and the second sliding seat 5, and the eraser 10 is positioned below the writing board 9; the back of the assembly frame 2 is fixedly connected with an installation seat 12, a water storage cavity 13 is arranged on the installation seat 12, the water storage cavity 13 is connected with a cleaning pump 14 through a water pipe, one end of the water pipe, which is far away from the water storage cavity 13, is connected with a spray head 8, the cleaning pump 14 is assembled on the installation seat 12, and a power supply is distributed on the assembly frame 2; the shower nozzle 8 is located the inboard upper portion of assembly jig 2, and three and interval are no less than to the quantity of shower nozzle 8 and lay, and shower nozzle 8 inclines to lay and just faces clipboard 9.

Further, the blackboard eraser 10 comprises a front working surface and a rear working surface, the left end and the right end of the blackboard eraser 10 are fixedly connected with assembly columns 18, the assembly columns 18 are connected with clamping blocks 19 through clamping springs 20, and the clamping springs 20 drive the clamping blocks 19 to extend towards the outer sides of the assembly columns 18 under the non-external force condition; the appearance of the first sliding seat 4 is the same as that of the second sliding seat 5, the first sliding seat 4 and the second sliding seat 5 are rotatably connected with an assembly shaft, a non-through assembly groove 17 is formed in the assembly shaft, a clamping groove 16 communicated with the outside is formed in the assembly shaft, a positioning pin 21 is fixedly connected to the clamping block 19, and the positioning pin 21 is matched with the clamping groove 16.

Further, a base 23 is arranged below the fixed seat 1, a lifting mechanism is arranged between the base 23 and the fixed seat 1, the lifting mechanism comprises an assembly seat 25, the assembly seat 25 is positioned on the upper end face of the base 23 and is fixedly connected with the base 23, the number of the assembly seats 25 is two, the assembly seats 25 are arranged at intervals, a horizontal adjusting screw rod 26 is assembled between the two assembly seats 25, one end of the adjusting screw rod 26 extends to the outer side of the assembly seat 25 and is in transmission connection with an adjusting motor 30, and the adjusting motor 30 is installed at the upper end of the base 23; the adjusting screw rod 26 is provided with two lower sliding seats 27, and the two lower sliding seats 27 are arranged at intervals and are in transmission fit with the adjusting screw rod 26; the lower end face of the fixed seat 1 is slidably provided with two upper sliding seats 28, the two upper sliding seats 28 are arranged at intervals, a connecting rod 29 is rotatably arranged between the upper sliding seats 28 and the lower sliding seat 27 which is opposite to the upper sliding seats 28 in an inclined mode, and the two connecting rods 29 are hinged to each other.

Further, be connected with vertical bracing piece 22 between fixing base 1 and the base 23, the quantity of bracing piece 22 is four and becomes rectangle four corners position and distribute, and bracing piece 22 is the telescopic link for promote fixing base 1 and base 23's joint strength and stability.

Further, the cleaning motor 7 is a stepping motor, and the motor type of the adjusting motor 30 is the same as that of the cleaning motor 7, so as to control the position movement of the slide carriage.

The specific type of the spray head 8 is not limited, and preferably, in this embodiment, the spray head 8 is an atomizing spray head to save cleaning water and prevent water on the writing board 9 from dripping.

The working principle of the embodiment is as follows:

when in actual use, the blackboard is moved to a proper position and is placed and fixed, the adjusting motor 30 is started to operate according to actual use requirements, the power supply on the assembly frame 2 supplies power for the operation of each electrical element, the adjusting motor 30 drives the adjusting screw rod 26 to operate, the two lower sliding seats 27 are close to or far away from each other, so that the two upper sliding seats 28 are driven to be close to or far away from each other through the connecting rod 29, and the stable lifting of the fixed seat 1 is realized; the writing board 9 is used as a writing area, when the writing board 9 needs to be cleaned, the cleaning screw rod 3 is started to drive the sliding seat I4 to lift, so that the surface of the writing board 9 is comprehensively cleaned by the eraser 10, and the working surface of the eraser can be replaced by rotating the eraser 10; the cleaning pump 14 is started to spray water on the surface of the writing board 9 opposite to the spray head 8, so that the cleaning effect of the eraser 10 is ensured; the eraser 10 and the first and second sliding

seats

4 and 5 on the two sides are easy to detach and replace, and when the eraser is not needed to be used, the cleaning screw rod 3 can be started to enable the eraser to be placed in the accommodating groove 15, so that the normal use of the writing board 9 is prevented from being influenced.

Example 2

In order to facilitate the moving and placing of the blackboard in practical use, the embodiment is improved on the basis of embodiment 1, and the improvement is as follows: the universal wheels 24 are installed at the lower end of the base 23, the number of the universal wheels 24 is four, the universal wheels are distributed at four corners of a rectangle, and locking switches are arranged on the universal wheels 24.

It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various modifications, improvements and substitutions can be made without departing from the spirit of the invention, and all of them belong to the protection scope of the technical solution. The protection scope of this technical solution patent should be subject to the appended claims.

Claims

1. A blackboard for teaching comprises a fixed seat (1) and is characterized in that an assembly frame (2) is fixedly connected to the upper end face of the fixed seat (1), the cross section of the assembly frame (2) is in a horizontally placed U shape, vertical supporting seats (11) are fixedly connected to the inner side of the assembly frame (2), the number of the supporting seats (11) is two, the supporting seats are arranged at intervals, and mutually communicated accommodating grooves (15) are formed between the two supporting seats (11) and the assembly frame (2); the assembling frame (2) is fixedly connected with a writing board (9), and the assembling frame (2) is provided with a wiping mechanism; the cleaning mechanism comprises a cleaning screw rod (3) and an assembling rod (6), the cleaning screw rod (3) and the assembling rod (6) are arranged at intervals and are respectively assembled in a supporting seat (11), one end of the cleaning screw rod (3) extends to the upper end face of the assembling frame (2) and is connected with a cleaning motor (7) in a transmission mode; the cleaning screw rod (3) is provided with a first sliding seat (4), the first sliding seat (4) is in transmission fit with the cleaning screw rod (3), a second sliding seat (5) is connected onto the assembling rod (6) in a sliding manner, an eraser (10) is arranged between the first sliding seat (4) and the second sliding seat (5), and the eraser (10) is positioned below the writing board (9); the back of the assembly frame (2) is fixedly connected with an installation seat (12), a water storage cavity (13) is arranged on the installation seat (12), the water storage cavity (13) is connected with a cleaning pump (14) through a water pipe, one end of the water pipe, which is far away from the water storage cavity (13), is connected with a spray head (8), the cleaning pump (14) is assembled on the installation seat (12), and a power supply is distributed on the assembly frame (2); shower nozzle (8) are located the inboard upper portion of assembly jig (2), and the quantity of shower nozzle (8) is no less than three and the interval is laid, and shower nozzle (8) slope is laid and is faced clipboard (9).

2. The blackboard for teaching according to claim 1, wherein the eraser (10) comprises a front working surface and a rear working surface, the left end and the right end of the eraser (10) are fixedly connected with assembling columns (18), the assembling columns (18) are connected with clamping blocks (19) through clamping springs (20), and the clamping springs (20) drive the clamping blocks (19) to extend to the outer sides of the assembling columns (18) under the condition of non-external force; slide (4) are the same with slide two (5) appearance, rotate on slide (4) and slide two (5) and are connected with the assembly axle, and it has non-through assembly groove (17) to open on the assembly axle, and the epaxial draw-in groove (16) of opening with external intercommunication of assembly, fixedly connected with locating pin (21) on joint piece (19), locating pin (21) and draw-in groove (16) cooperate.

3. The blackboard for teaching according to claim 1, wherein a base (23) is arranged below the fixed base (1), a lifting mechanism is arranged between the base (23) and the fixed base (1), the lifting mechanism comprises two assembling seats (25), the assembling seats (25) are positioned on the upper end surface of the base (23) and fixedly connected with the base (23), the assembling seats (25) are arranged at intervals, a horizontal adjusting screw rod (26) is assembled between the two assembling seats (25), one end of the adjusting screw rod (26) extends to the outer side of the assembling seat (25) and is connected with an adjusting motor (30) in a transmission manner, and the adjusting motor (30) is installed at the upper end of the base (23); the adjusting screw rod (26) is provided with two lower sliding seats (27), and the two lower sliding seats (27) are arranged at intervals and are in transmission fit with the adjusting screw rod (26); the lower end face of the fixed seat (1) is provided with two upper sliding seats (28) in a sliding mode, the two upper sliding seats (28) are arranged at intervals, a connecting rod (29) is rotatably arranged between the upper sliding seats (28) and the lower sliding seats (27) which are opposite to each other in an inclined mode, and the two connecting rods (29) are hinged to each other.

4. A blackboard for teaching as claimed in claim 3, wherein vertical support rods (22) are connected between the fixed base (1) and the base (23), the number of the support rods (22) is four and distributed in the positions of four corners of a rectangle, and the support rods (22) are telescopic rods.

5. A blackboard for teaching purposes according to claim 3, characterised in that the cleaning motor (7) is a stepping motor, the motor type of the adjustment motor (30) being the same as the cleaning motor (7).

6. A blackboard for teaching purposes according to claim 1, characterised in that the said nozzles (8) are nebulising nozzles.

7. A blackboard for teaching according to claim 5, characterized in that the lower end of the base (23) is provided with universal wheels (24), the number of the universal wheels (24) is four, the universal wheels are distributed at four corners of a rectangle, and the universal wheels (24) are provided with locking switches.