CN208774355U - A kind of vocational training multi-functional blackboard - Google Patents

Abstract

The utility model discloses a kind of vocational training multi-functional blackboards, including blackboard frame, No.1 sliding rail, No. two sliding rails and No. three sliding rails, the blackboard frame interior side is fixed with No.1 sliding rail, blackboard frame bosom position is fixedly connected with No. two sliding rails, the other side is fixedly connected with No. three sliding rails inside the blackboard frame, top is provided with No.1 clipboard between the No.1 sliding rail and No. two sliding rails, lower section is provided with No. three clipboards between the No.1 sliding rail and No. two sliding rails, top is provided with No. two clipboards between No. two sliding rails and No. three sliding rails, lower section is provided with No. four clipboards between No. two sliding rails and No. three sliding rails, dust stratification slot is fixedly connected with below the blackboard frame.The utility model structure is simple, novel in design, by the filter of setting, can absorb the chalk dust near dais, prevent chalk dust from polluting to classroom environment, while can be formed and be protected to the health of teacher, has good promotional value.

Description

A kind of vocational training multi-functional blackboard

Technical field

The utility model relates to a kind of teaching facilities, in particular to a kind of vocational training multi-functional blackboard.

Background technique

Blackboard is not the plate face for refering in particular to black, says that it is the plane that can use chalk repeated writing in traditional sense, Plate face is hard, is chiefly used in imparting knowledge to students, and blackboard is generally used made of plank or ground glass etc., can specifically write material with chalk etc. Material writes above.Mostly black, blackish green, white or ecru, in vocational training, blackboard is the teaching that lecturer be unable to do without Tool.

But due to the characteristic of chalk, dust pollution is easily caused, it, can be to lecturer's body while polluting classroom environment Body health causes to seriously affect, very harmful, and traditional blackboard height is higher, is not adjustable, and writing gets up to be inconvenient.For This, it is proposed that a kind of vocational training multi-functional blackboard.

Utility model content

The main purpose of the utility model is to provide a kind of vocational training multi-functional blackboards, pass through the filtering of setting Chalk dust near dais can be absorbed, prevent chalk dust from polluting to classroom environment by device, while can be to teacher Health formed protection, can effectively solve the problems in background technique.

To achieve the above object, the technical solution that the utility model is taken are as follows:

A kind of vocational training multi-functional blackboard, including blackboard frame, No.1 sliding rail, No. two sliding rails and No. three sliding rails, institute It states blackboard frame interior side and is fixed with No.1 sliding rail, blackboard frame bosom position is fixedly connected with No. two sliding rails, The other side is fixedly connected with No. three sliding rails inside the blackboard frame, and top is provided between the No.1 sliding rail and No. two sliding rails No.1 clipboard, lower section is provided with No. three clipboards between the No.1 sliding rail and No. two sliding rails, No. two sliding rails and No. three Top is provided with No. two clipboards between sliding rail, and lower section is provided with No. four clipboards between No. two sliding rails and No. three sliding rails, It is fixedly connected with dust stratification slot below the blackboard frame, ash-collecting cover, phase below the ash-collecting cover are provided with below the dust stratification slot Lead to and be connected to exhaust fan, interlinks below the exhaust fan and be connected to filter.

Further, the No.1 clipboard and No. two clipboard two sides pass through external sliding block and No.1 sliding rail, No. two Sliding rail and No. three sliding rails are slidably connected, and No. three clipboards and No. four clipboard two sides pass through built-in sliding block and slide with No.1 Rail, No. two sliding rails and No. three sliding rails are slidably connected.

Further, it is provided with primary filtration network above the filter interior, is provided with below the primary filtration network Activated carbon filter layer, the activated carbon filter layer lower section are provided with secondary filter net.

Further, the blackboard frame two sides are provided with fixed plate, and the fixed plate is internally provided with fixation hole.

Further, it is fixedly connected with LED illumination lamp above the blackboard frame, the blackboard frame side is connected with electricity Source line, described power supply line one end are connected with attaching plug, are between the LED illumination lamp, exhaust fan, power supply line and attaching plug It is electrically connected.

Compared with prior art, the utility model has the following beneficial effects: this kind of vocational training multi-functional blackboard:

1, by the filter of setting, the chalk dust near dais can be absorbed, prevents chalk dust to classroom ring Border pollutes, while can be formed and be protected to the health of teacher, can be to powder by the dust stratification slot and ash-collecting cover of setting Ash is collected, and the chalk dust after collection is by successively passing through primary filtration network, activated carbon filter layer under the drive of exhaust fan It is discharged after filtering with secondary filter net, can effectively reduce the content of dust in air.

2, by the No.1 sliding rail of setting, No. two sliding rails, No. three sliding rails, external sliding block and built-in sliding block, it can be realized one Number clipboard, No. two clipboards, No. three clipboards and No. four clipboards upper and lower position adjust, book is carried out to writing on the blackboard convenient for lecturer Write, it is very convenient to use, by the LED illumination lamp of setting, light compensation can be carried out to dais region, prevent light compared with Writing is impacted in the case where dark.

3, by the fixed plate of setting and fixation hole, blackboard can be installed, increases the fixing intensity of blackboard, increased Security performance can be powered the electrical appliance inside device by the power supply line and attaching plug of setting, power supply mode letter Folk prescription is just.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model vocational training multi-functional blackboard.

Fig. 2 is the filter interior structural schematic diagram of the utility model vocational training multi-functional blackboard.

In figure: 1, blackboard frame；2, No.1 sliding rail；3, No. two sliding rails；4, No. three sliding rails；5, No.1 clipboard；6, No. two Clipboard；7, No. three clipboards；8, No. four clipboards；9, external sliding block；10, built-in sliding block；11, LED illumination lamp；12, dust stratification Slot；13, power supply line；14, attaching plug；15, fixed plate；16, fixation hole；17, ash-collecting cover；18, exhaust fan；19, filter； 20, primary filtration network；21, activated carbon filter layer；22, secondary filter net.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

As shown in Figs. 1-2, a kind of vocational training multi-functional blackboard, including 2, No. two blackboard frame 1, No.1 sliding rail sliding rails 3 and No. three sliding rails 4,1 interior side of blackboard frame is fixed with No.1 sliding rail 2, and the 1 bosom position of blackboard frame is solid Surely No. two sliding rails 3 are connected with, the 1 inside other side of blackboard frame is fixedly connected with No. three sliding rails 4,2 He of No.1 sliding rail Top is provided with No.1 clipboard 5 between No. two sliding rails 3, and lower section is provided with No. three between the No.1 sliding rail 2 and No. two sliding rails 3 Clipboard 7, top is provided with No. two clipboards 6 between No. two sliding rails 3 and No. three sliding rails 4, No. two sliding rails 3 and No. three Lower section is provided with No. four clipboards 8 between sliding rail 4, and dust stratification slot 12, the dust stratification slot are fixedly connected with below the blackboard frame 1 12 lower sections are provided with ash-collecting cover 17, interlink below the ash-collecting cover 17 and are connected to exhaust fan 18, communicate below the exhaust fan 18 It is connected with filter 19.

Wherein, the No.1 clipboard 5 and No. two 6 two sides of clipboard pass through external sliding block 9 and No.1 sliding rail 2, two Sliding rail 3 and No. three sliding rails 4 are slidably connected, and No. three clipboards 7 and No. four 8 two sides of clipboard pass through built-in sliding block 10 and one Number 2, No. two sliding rails 3 of sliding rail and No. three sliding rails 4 are slidably connected.

Wherein, 19 inner upper of filter is provided with primary filtration network 20, is arranged below the primary filtration network 20 Active charcoal filter layer 21 is provided with secondary filter net 22 below the activated carbon filter layer 21.

Wherein, 1 two sides of blackboard frame are provided with fixed plate 15, and the fixed plate 15 is internally provided with fixation hole 16。

Wherein, LED illumination lamp 11 is fixedly connected with above the blackboard frame 1,1 side of blackboard frame is connected with electricity Source line 13, described 13 one end of power supply line are connected with attaching plug 14, the LED illumination lamp 11, exhaust fan 18, power supply line 13 and electricity It is electric connection between source plug 14.

It should be noted that the utility model is a kind of vocational training multi-functional blackboard, when work, pass through the mistake of setting Chalk dust near dais can be absorbed, prevent chalk dust from polluting to classroom environment by filter 19, while can be right The health of teacher forms protection, by the dust stratification slot 12 and ash-collecting cover 17 of setting, can be collected to chalk dust, collects Chalk dust afterwards is by successively passing through primary filtration network 20, activated carbon filter layer 21 and secondary filter under the drive of exhaust fan 18 It is discharged after the filtering of net 22, can effectively reduce the content of dust in air, pass through 2, No. two sliding rails of No.1 sliding rail of setting 3, No. three sliding rails 4, external sliding block 9 and built-in sliding block 10 can be realized the clipboard 7 of clipboard 6, three of No.1 clipboard 5, two It adjusts with the upper and lower position of No. four clipboards 8, writing on the blackboard is write convenient for lecturer, it is very convenient to use, pass through setting LED illumination lamp 11, can to dais region carry out light compensation, prevent from impacting writing in the case where dark, By the power supply line 13 and attaching plug 14 of setting, the electrical appliance inside device can be powered, power supply mode is simply square Just.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (5)

1. a kind of vocational training multi-functional blackboard, including blackboard frame (1), No.1 sliding rail (2), No. two sliding rails (3) and No. three Sliding rail (4), blackboard frame (1) interior side are fixed with No.1 sliding rail (2), blackboard frame (1) the bosom position No. two sliding rails (3) are fixedly connected with, the internal other side of the blackboard frame (1) is fixedly connected with No. three sliding rails (4), and feature exists In: between the No.1 sliding rail (2) and No. two sliding rails (3) top be provided with No.1 clipboard (5), the No.1 sliding rail (2) and Lower section is provided with No. three clipboards (7) between No. two sliding rails (3), and top is set between No. two sliding rails (3) and No. three sliding rails (4) No. two clipboards (6) are equipped with, lower section is provided with No. four clipboards (8), institute between No. two sliding rails (3) and No. three sliding rails (4) It states and is fixedly connected with dust stratification slot (12) below blackboard frame (1), is provided with ash-collecting cover (17) below the dust stratification slot (12), it is described It interlinks and is connected to exhaust fan (18) below ash-collecting cover (17), interlink below the exhaust fan (18) and be connected to filter (19).

2. a kind of vocational training multi-functional blackboard according to claim 1, it is characterised in that: the No.1 clipboard (5) and No. two clipboard (6) two sides pass through external sliding block (9) and No.1 sliding rail (2), No. two sliding rails (3) and No. three sliding rails (4) Be slidably connected, No. three clipboards (7) and No. four clipboard (8) two sides pass through built-in sliding block (10) and No.1 sliding rail (2), No. two sliding rails (3) and No. three sliding rails (4) are slidably connected.

3. a kind of vocational training multi-functional blackboard according to claim 1, it is characterised in that: in the filter (19) It is provided with primary filtration network (20) above portion, is provided with activated carbon filter layer (21) below the primary filtration network (20), it is described Secondary filter net (22) are provided with below activated carbon filter layer (21).

4. a kind of vocational training multi-functional blackboard according to claim 1, it is characterised in that: the blackboard frame (1) Two sides are provided with fixed plate (15), and the fixed plate (15) is internally provided with fixation hole (16).

5. a kind of vocational training multi-functional blackboard according to claim 1, it is characterised in that: the blackboard frame (1) Top is fixedly connected with LED illumination lamp (11), and blackboard frame (1) side is connected with power supply line (13), the power supply line (13) one end is connected with attaching plug (14), the LED illumination lamp (11), exhaust fan (18), power supply line (13) and attaching plug It (14) is electric connection between.