CN209274222U - A kind of blackboard for teaching of included blackboard-cleaning device - Google Patents
A kind of blackboard for teaching of included blackboard-cleaning device Download PDFInfo
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- CN209274222U CN209274222U CN201822245788.9U CN201822245788U CN209274222U CN 209274222 U CN209274222 U CN 209274222U CN 201822245788 U CN201822245788 U CN 201822245788U CN 209274222 U CN209274222 U CN 209274222U
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Abstract
The utility model discloses a kind of blackboard for teaching of included blackboard-cleaning device, it include clipboard, upper side frame, lower frame, left frame, left frame, drawer type ash collecting box and blackboard-cleaning device, the upper side frame, lower frame, left frame and left frame set up the surrounding in the clipboard separately, the drawer type ash collecting box is slidably arranged in the lower frame top, and one end is threaded through in left frame or left frame, and it is inconsistent with left frame or left frame inner wall, the other end stretches out left frame or left frame, and it is inconsistent with left frame or left frame outer wall, the blackboard-cleaning device setting is in clipboard front, and it is bonded with clipboard front phase elastic tight, and described blackboard-cleaning device one end is slidably connected with the upper side frame, the other end is slidably connected with lower frame.The advantages of the utility model has: structure is simple and convenient to operate, low cost, and wiping effect is good, and the chalk dust fugitive dust of generation is few, convenient for chalk ash collection and cleaning, long service life.
Description
Technical field
The utility model relates to a kind of educational aid, the teaching for particularly relating to a kind of included blackboard-cleaning device is used
Blackboard.
Background technique
Blackboard is a kind of teaching writing carrier, be widely used in it is major, in, group universities and colleges, be mainly that teacher passes through powder
Pen will need the writing for carrying out the content of courses to go out, and show student, convenient for can student intuitively understand, grasp and need to learn
Knowledge.During teaching, it usually needs carry out sassafras except the chalk writing on blackboard, to realize repetition book by blackboard eraser
The purpose write.
Currently, each primary school, universities and colleges, middle school, still using traditional blackboard for teaching, i.e., blackboard with it is black
Separated between plate sassafras it is self-existent, when needing sassafras except chalk writing on blackboard, usually by needing the artificial one hand of teacher to hold
Firmly the shell of blackboard eraser makes the bristle of blackboard eraser and letter written with chalk collide, and so that chalk writing is removed, uses non-
Normal inconvenience, and it is time-consuming and laborious, and during wiping chalk writing, the chalk dust of generation cannot be received well
Collection, processing, the chalk dust raised descend slowly and lightly in surrounding air, can not only pollute classroom environment, can also be sucked by operator, be
Human health hides some dangers for.
Although having many corresponding solutions for defect present in traditional blackboard for teaching: ratio
Such as a whole by blackboard eraser and blackboard, blackboard eraser is controlled by full-automatic or automanual mode to complete to wipe accordingly
Chalk writing work is wiped, manual operation, time-consuming and laborious problem are solved；By the way that shield is arranged on blackboard eraser and at blackboard bottom
Portion be equipped with corresponding dust collection box, solve the problems, such as chalk dust raise, Collecting and dealing.For with full-automatic or semi-automatic
The blackboard of blackboard eraser, although easy to operate, its structure is usually relatively complex, and cost is also relatively high, be unfavorable for each primary school, in
Institute promotes and applies in school.
In addition, when blackboard eraser during prolonged use, bristle is prone to wear, wiping effect can big heavy discount,
Influence the service life of blackboard eraser；For this wear problem, existing wiping blackboard structure does not obtain effective solution.
Utility model content
The purpose of this utility model is to provide a kind of structures to be simple and convenient to operate, low cost, wiping effect are good, uses
The blackboard for teaching of the included blackboard-cleaning device of service life length, to solve the defects of background technique.
To achieve the above object, a kind of technical solution that the utility model is taken are as follows: teaching of included blackboard-cleaning device
It include clipboard, upper side frame, lower frame, left frame, left frame, drawer type ash collecting box and blackboard-cleaning device, institute with blackboard
It states upper side frame, lower frame, left frame and left frame and sets up surrounding in the clipboard, the drawer type ash collecting box sliding setting separately
On the lower frame top, and one end is threaded through in left frame or left frame, and inconsistent with left frame or left frame inner wall, separately
Left frame or left frame are stretched out in one end, and inconsistent with left frame or left frame outer wall, and the blackboard-cleaning device is arranged in book
Plate front is write, and is bonded with clipboard front phase elastic tight, and the blackboard eraser wipes device one end and the upper side frame slides
Connection, the other end are slidably connected with lower frame.
In above-mentioned technical proposal, the blackboard-cleaning device include blackboard eraser frame, upper roller component, bottom roller component and
Blackboard brush assembly；
The upper roller component setting is slidably connected on blackboard eraser frame top, and with the upper side frame；
The bottom roller component setting is slidably connected in blackboard eraser frame lower part, and with the lower frame；
It is equipped with blackboard brush assembly mounting hole towards the side of clipboard in the blackboard eraser frame, the blackboard brush assembly is set
It sets in the blackboard brush assembly mounting hole；
Spring assembly is additionally provided between the blackboard brush assembly and blackboard eraser frame, blackboard brush assembly side passes through
The spring assembly and the blackboard eraser frame inner wall phase elastic connection, the other side are mutually closely pasted with the clipboard front
It closes；
The grey flange of a gear, two gear ashes are further respectively had in the left and right side of the blackboard brush assembly mounting hole
Left and right side of the inner sidewall of flange respectively with the blackboard brush assembly fits.
In above-mentioned technical proposal, the upper roller component includes upper roller shaft and upper roller, and the upper roller is threaded through institute
It states in the inner cavity of upper side frame, described upper roller shaft one end is connect with blackboard eraser frame top, and the other end passes through on upper side frame
The upper hopper chute hole being equipped with is connect with the upper roller；
The bottom roller component includes bottom roller axis and bottom roller, and the bottom roller is threaded through the inner cavity of the lower frame
In, described upper roller shaft one end is connect with blackboard eraser frame lower part, and the other end passes through the downslide slot that lower frame is equipped with
It is connect with the bottom roller；
The blackboard brush assembly includes bristle bars and bristle bars fixed frame, and bristle bars fixed frame one end passes through described
Spring assembly and the blackboard eraser frame inner wall elastic connection, the other end and the bristle bars detachable connection, the bristle
Item is mutually fitted closely with the clipboard front；
The spring assembly is made of several springs, and each spring one end, which is fixed with the blackboard eraser frame inner wall, to be connected
It connects, the other end is fixedly connected with the bristle bars fixed frame.
In above-mentioned technical proposal, it is additionally provided with bristle bars mounting groove towards the side of clipboard in the bristle bars fixed frame,
The bristle bars are plugged in the bristle bars mounting groove, and with the bristle bars mounting groove detachable connection.
In above-mentioned technical proposal, the upper hopper chute hole is set in the upper side frame front, at the upper side frame back side
Slot is hooked equipped with upper clipboard；
The downslide slot is set in the lower frame front, is hooked at the lower frame back side equipped with lower clipboard
Slot；
The top and bottom of the clipboard are threaded through the upper clipboard respectively and hook in slot and lower clipboard hook slot；
It is opening form that the upper hopper chute hole, downslide slot, upper clipboard hook slot and lower clipboard, which hook the both ends of slot,.
In above-mentioned technical proposal, knob is additionally provided with away from the side of the clipboard in the blackboard eraser frame；
It is also buckled respectively in the top and bottom of the blackboard eraser frame and is equipped with first plug；
In the top and bottom of the left frame and left frame, also button is equipped with second plug respectively.
In above-mentioned technical proposal, one is further respectively had towards the side upper end of clipboard in the left frame and left frame
A first mounting hole；
Second mounting hole is further respectively had towards the side lower end of clipboard in the left frame and left frame；
A third mounting hole is additionally provided with away from the side lower end of clipboard in the left frame or left frame；
The left and right both ends of the upper side frame are plugged in the first mounting hole of left frame and the first mounting hole of left frame respectively
In, and it is inconsistent with the inner wall of the inner wall of left frame and left frame respectively；
The left and right both ends of the lower frame are plugged in the second mounting hole of left frame and the second mounting hole of left frame respectively
In, and it is inconsistent with the inner wall of the inner wall of left frame and left frame respectively；
One end of the drawer type ash collecting box sequentially passes through the second mounting hole of left frame or left frame, third mounting hole,
And it is inconsistent with the outer wall of left frame or left frame；
The other end of the drawer type ash collecting box passes through in the second mounting hole on left frame or left frame, and and left frame
Or the inner wall of left frame offsets.
In above-mentioned technical proposal, it is equipped with trapezoidal ash collection slot on drawer type ash collecting box top, in the drawer type collection ash
Cassette bottom portion is equipped with sliding slot, and the drawer type ash collecting box is slidably matched by sliding slot with the sliding rail that lower frame top is arranged in, and institute
State drawer type ash collecting box one end sequentially pass through the second mounting hole of left frame or left frame, third mounting hole and with left frame or the right side
The outer wall of frame is inconsistent, and the other end passes through the second mounting hole on left frame or left frame, and with the left frame or the right
The inner wall of frame is inconsistent.
In above-mentioned technical proposal, also set in inconsistent one end of outer wall of the drawer type ash collecting box and left frame or left frame
There is a sealing plate, described sealing plate one end and the outer wall of left frame or left frame are inconsistent, and the other end is equipped with a pull ring, the drawing
Ring rotates with the sealing plate and connect.
In above-mentioned technical proposal, a rubber pad, the rubber are additionally provided between the drawer type ash collecting box and lower frame
Rubber mat be located on the sliding rail, and match with the sliding slot.
Compared with prior art, the advantages of the utility model and beneficial effect is:
(1) pass through the setting of blackboard-cleaning device, it is ensured that during being wiped to clipboard, wiped clean,
The chalk dust fugitive dust of generation is few；
(2) by the setting of drawer type ash collecting box, during to wiping, the chalk particle fallen be collected and
Cleaning；
(3) structure is simple, and wiping operation is convenient, time saving and energy saving, and cost is lower, long service life.
Detailed description of the invention
Fig. 1 is a kind of front schematic view of specific embodiment of the utility model；
Fig. 2 is the assembling exploded view of Fig. 1；
Fig. 3 is the left view of left frame in Fig. 2；
Fig. 4 is the right view of left frame in Fig. 2；
Fig. 5 is the right view of left frame in Fig. 2；
Fig. 6 is the left view of left frame in Fig. 2；
Fig. 7 is the right view of blackboard-cleaning device in Fig. 1；
Fig. 8 is the planar explosive schematic diagram of blackboard-cleaning device in Fig. 1；
Fig. 9 is the planar explosive schematic diagram of upper side frame in Fig. 1, lower frame, drawer type ash collecting box, rubber pad and clipboard；
Figure 10 is Section A-A schematic diagram in Fig. 1；
Figure 11 is section B-B schematic diagram in Fig. 1；
Figure 12 is C-C schematic cross-section in Fig. 1；
Figure 13 is the left view of blackboard eraser frame；
Figure 14 is the rearview of blackboard eraser frame；
Figure 15 is the top view of blackboard eraser frame；
Figure 16 is the planar explosive schematic diagram of blackboard brush assembly；
Figure 17 is M node enlarged diagram in Figure 11；
Figure 18 is N node enlarged diagram in Figure 12；
Figure 19 is T node enlarged diagram in Figure 12；
Figure 20 is the top view of drawer type ash collecting box in Fig. 2；
Figure 21 is the left view of drawer type ash collecting box in Fig. 2；
Figure 22 is the right view of drawer type ash collecting box in Fig. 2；
Figure 23 is a-a schematic cross-section in Figure 20；
Figure 24 is b-b schematic cross-section in Figure 20；
In figure: 1, clipboard；2, upper side frame；2.1, upper hopper chute hole；2.2, upper clipboard hooks slot；3, lower frame；3.1, under
Chute hole；3.2, lower clipboard hooks slot；4, left frame；5, left frame；6, drawer type ash collecting box；6.1, trapezoidal ash collection slot；6.2,
Sliding slot；3.3, sliding rail；6.4, sealing plate；6.5, pull ring；7, blackboard-cleaning device；7.1, blackboard eraser frame；7.2, upper roller group
Part；7.2a, upper roller shaft；7.2b, upper roller；7.3, bottom roller component；7.3a, bottom roller axis；7.3b, bottom roller；7.4, black
Blackboard eraser component；7.4a, bristle bars；7.4b, bristle bars fixed frame；7.4c, bristle bars mounting groove；7.5, blackboard brush assembly is installed
Hole；7.6, spring assembly；7.6a, spring；7.7, grey flange is kept off；7.8, it shakes hands；8, the first plug；9, the second plug；10, first
Mounting hole；11, the second mounting hole；12, third mounting hole；13, rubber pad.
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 the drawings and specific embodiments, it is further described how the utility model is implemented.
Refering to fig. 1 to shown in Figure 24, a kind of blackboard for teaching of included blackboard-cleaning device provided in this embodiment includes
There are clipboard 1, upper side frame 2, lower frame 3, left frame 4, left frame 5, drawer type ash collecting box 6 and blackboard-cleaning device 7；Wherein:
Upper side frame 2, lower frame 3, left frame 4 and left frame 5 set up the surrounding in clipboard 1 separately；
Drawer type ash collecting box 6 is slidably arranged in 3 top of lower frame, and its right end is threaded through in left frame 5, and with the right
5 inner wall of frame is inconsistent, and left frame 4 is stretched out in left end, and inconsistent with 4 outer wall of left frame；
The setting of blackboard-cleaning device 7 is bonded in 1 front of clipboard, and with the positive phase elastic tight of clipboard 1, and blackboard eraser
It wipes 7 upper end of device to be slidably connected with upper side frame 2, lower end is slidably connected with lower frame 3.
Refering to shown in Fig. 7, Fig. 8, Figure 12, blackboard-cleaning device 7 include blackboard eraser frame 7.1, upper roller component 7.2, under
Roll wheel assembly 7.3 and blackboard brush assembly 7.4；
The setting of upper roller component 7.2 is slidably connected on 7.1 top of blackboard eraser frame, and with upper side frame 2；
The setting of bottom roller component 7.3 is slidably connected in 7.1 lower part of blackboard eraser frame, and with lower frame 3；
Refering to fig. 1 shown in 4, it is equipped with blackboard brush assembly mounting hole 7.5 towards the side of clipboard 1 in blackboard eraser frame 7.1,
Blackboard brush assembly 7.4 is arranged in blackboard brush assembly mounting hole 7.5；
To avoid the bristle of blackboard brush assembly 7.4 because long-time is using wearing, and then influences its sassafras and wipe effect, refering to
Shown in Fig. 8 and Figure 12, spring assembly 7.6, blackboard brush assembly are additionally provided between blackboard brush assembly 7.4 and blackboard eraser frame 7.1
By spring assembly 7.6 and 7.1 inner wall phase elastic connection of blackboard eraser frame, the other side and 1 front of clipboard are mutually tight for 7.4 sides
Closely connected conjunction；The purpose for the arrangement is that: spring assembly 7.6 can adjust blackboard brush assembly 7.4 and 1 compression degree of clipboard in real time,
And then ensure that blackboard brush assembly 7.4 can guarantee to fit closely with clipboard 1, and then ensure its wiping effect；
To reduce during wiping clipboard, causes chalk dust to fly upward, ambient enviroment is polluted, refering to Fig. 7, Fig. 8, Figure 13
With shown in Figure 14, the left and right side of blackboard brush assembly mounting hole 7.5 further respectively has the grey flange 7.7 of a gear, two gear ashes
Left and right side of the inner sidewall of flange 7.7 respectively with blackboard brush assembly 7.4 fits.
Refering to fig. 1 shown in 8, upper roller component 7.2 includes upper roller shaft 7.2a and upper roller 7.2b, and upper roller 7.2b is worn
In the inner cavity of upper side frame 2, the one end upper roller shaft 7.2a is connect with 7.1 top of blackboard eraser frame, and the other end passes through upper side frame 2
The upper hopper chute hole 2.1 being equipped with is connect with upper roller 7.2b；
Refering to fig. 1 shown in 9, bottom roller component 7.3 includes bottom roller axis 7.3a and bottom roller 7.3b, and bottom roller 7.3b is worn
In the inner cavity of lower frame 3, the one end upper roller shaft 7.2a is connect with 7.1 lower part of blackboard eraser frame, and the other end passes through lower frame 3
The downslide slot 3.1 being equipped with is connect with bottom roller 7.3b；
Refering to fig. 1 shown in 6 and Figure 17, blackboard brush assembly 7.4 includes bristle bars 7.4a and bristle bars fixed frame 7.4b, bristle
One end fixed frame 7.4b is by spring assembly 7.6 and 7.1 inner wall elastic connection of blackboard eraser frame, the other end and bristle bars 7.4a
Detachable connection, bristle bars 7.4a are mutually fitted closely with 1 front of clipboard；
Refering to shown in Fig. 8 and Figure 12, spring assembly 7.6 is made of several springs 7.6a, and the one end each spring 7.6a is equal
It is fixedly connected with 7.1 inner wall of blackboard eraser frame, the other end is fixedly connected with bristle bars fixed frame 7.4b.
For convenient for bristle bars 7.4a abrasion to a certain extent when, the bristle bars 7.4a more renewed, as shown in figure 16,
Bristle bars fixed frame 7.4b is additionally provided with bristle bars mounting groove 7.4c towards the side of clipboard 1, and bristle bars 7.4a is plugged in bristle
In mounting groove 7.4c, and with bristle bars mounting groove 7.4c detachable connection.
As shown in fig.9, upper hopper chute hole 2.1 is arranged in 2 front of upper side frame, upper clipboard is equipped at 2 back side of upper side frame
Hook slot 2.2；
Downslide slot 3.1 is set in 3 front of lower frame, is equipped with lower clipboard at 3 back side of lower frame and hooks slot 3.2；
The top and bottom of clipboard 1 are threaded through clipboard respectively and hook in slot 2.2 and lower clipboard hook slot 3.2；
Upper hopper chute hole 2.1, downslide slot 3.1, upper clipboard hooks slot 2.2 and the both ends of lower clipboard hook slot 3.2 are out
Degree of lip-rounding formula.
Refering to shown in Fig. 7, Fig. 8 and Figure 12, it is additionally provided with knob 7.8 away from the side of clipboard 1 in blackboard eraser frame 7.1,
Refering to fig. 1, it shown in Fig. 2, Fig. 7 and Fig. 8, is also buckled respectively in the top and bottom of blackboard eraser frame 7.1 stifled equipped with one first
First 8.
Refering to fig. 1 and shown in Fig. 2, in the top and bottom of left frame 4 and left frame 5, also button is equipped with one second respectively
Plug 9.
Refering to shown in Fig. 3 and Fig. 5, further respectively had in left frame 4 and left frame 5 towards the side upper end of clipboard 1
One the first mounting hole 10；
Refering to shown in Fig. 3 and Fig. 5, further respectively had in left frame 4 and left frame 5 towards the side lower end of clipboard 1
One the second mounting hole 11；
As shown in fig.4, being additionally provided with a third mounting hole 12 away from the side lower end of clipboard 1 in left frame 4；
Refering to fig. 1 and shown in Fig. 2, the left and right both ends of upper side frame 2 are plugged in 10 He of the first mounting hole of left frame 4 respectively
In first mounting hole 10 of left frame 5, and it is inconsistent with the inner wall of the inner wall of left frame 4 and left frame 5 respectively；
Refering to fig. 1 and shown in Fig. 2, the left and right both ends of lower frame 3 are plugged in 11 He of the second mounting hole of left frame 4 respectively
In second mounting hole 11 of left frame 5, and it is inconsistent with the inner wall of the inner wall of left frame 4 and left frame 5 respectively；
Refering to fig. 1 and shown in Fig. 2, the left end of drawer type ash collecting box 6 sequentially passes through the second mounting hole 11 of left frame 4,
Three mounting holes 12, and it is inconsistent with the outer wall of left frame 4, and the right end of drawer type ash collecting box 6 passes through the second installation of left frame 5
In hole 11, and offset with the inner wall of left frame 5.
Refering to shown in Figure 20, Figure 23 and Figure 24, be equipped with trapezoidal ash collection slot 6.1 on 6 top of drawer type ash collecting box, as Figure 20,
Shown in Figure 22 and Figure 23, it is equipped with sliding slot 6.2 in 6 bottom of drawer type ash collecting box, drawer type ash collecting box 6 passes through sliding slot 6.2 and setting
Sliding rail 3.3 on 3 top of lower frame is slidably matched, and 6 left side of drawer type ash collecting box sequentially passes through the second mounting hole of left frame 4
11, third mounting hole 12 and inconsistent with the outer wall of left frame 4, right end pass through the second mounting hole 11 of left frame 4, and with the right
The inner wall of frame 5 is inconsistent.
Refering to shown in Figure 20 and Figure 21, one is additionally provided in inconsistent one end of outer wall of drawer type ash collecting box 6 and left frame 4
Sealing plate 6.3,6.3 one end of sealing plate and the outer wall of left frame 4 are inconsistent, and the other end is equipped with a pull ring 6.4, pull ring 6.4 and sealing plate
6.3 rotate connection.
As shown in figure 9, being additionally provided with a rubber pad 13 between drawer type ash collecting box 6 and lower frame 3, rubber pad 13, which is buckled, to be set
It is matched on sliding rail 3.3, and with the sliding slot of drawer type ash collecting box 6 6.2.
According to actual needs, which can also be arranged the side lower end that frame 5 on the right deviates from clipboard 1；
When the setting of the third mounting hole 1 side lower end that frame 5 deviates from clipboard 1 on the right is that then the right end of drawer type ash collecting box 6 is successively worn
The second mounting hole 11, the third mounting hole 12 of left frame 5 are crossed, and inconsistent with the outer wall of left frame 5, drawer type ash collecting box 6
Left end passes through in the second mounting hole 11 of left frame 4, and offsets with the inner wall of left frame 4；Sealing plate 6.3 and pull ring 6.4 are then arranged
In the right end of drawer type ash collecting box 6.
The course of work of the blackboard for teaching of the included blackboard-cleaning device of the utility model is as follows:
Before starting writing, first blackboard-cleaning device 7 will be drawn to book by the knob 7.8 on blackboard-cleaning device 7
It writes at the left frame 4 or left frame 5 of plate 1, then can carry out the writing of the content of courses with chalk on clipboard 1；
When needing to wipe the content of courses on clipboard 1, by 7.8 pulling blackboard-cleaning devices 7 of knob to needing to wipe
The place wiped, then left and right pulls blackboard-cleaning device 7 back and forth, can remove the letter written with chalk sassafras on clipboard 1, be erased
Chalk dust under the effect of gravity, falls in the trapezoidal ash collection slot 6.1 of lower section drawer type ash collecting box 6 and is integrated collection；
When the chalk dust in the trapezoidal ash collection slot 6.1 of drawer type ash collecting box 6 is pushed to a certain extent, it is located at by pulling
The pull ring 6.4 of 6 left or right side of drawer type ash collecting box pulls out drawer type ash collecting box 6 from the left frame 5 of clipboard 1, then
It slides, is finally pulled out from left frame 4, to being collected into trapezoidal ash collection slot 6.1 to left frame 4 along the sliding rail 3.3 of lower frame 3
Chalk dust cleared up, after the completion of for clearance, then drawer type ash collecting box 6 is pushed into from by left frame 4, along lower frame 3
Sliding rail 3.3 is slided to left frame 5, is pushed into the second mounting hole 11 of left frame 5, until inconsistent with the inner wall of left frame 5
?；
When the bristle bars 7.4a of blackboard brush assembly 7.4 is in serious wear, blackboard-cleaning device 7 is torn open from clipboard 1
It unloads down, extracts the bristle bars 7.4 being worn out from the bristle bars mounting groove 7.4c of bristle bars fixed frame 7.4b, replace with new
Then bristle bars 7.4 are reinstalled on clipboard 1 by blackboard-cleaning device 7.
Finally illustrate, the above description is only the embodiments of the present invention, is not intended to limit the patent of the utility model
Range, equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, or directly or
Other related technical areas are used in indirectly, are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of blackboard for teaching of included blackboard-cleaning device, it is characterised in that: include clipboard (1), upper side frame (2),
Lower frame (3), left frame (4), left frame (5), drawer type ash collecting box (6) and blackboard-cleaning device (7), the upper side frame (2),
Lower frame (3), left frame (4) and left frame (5) set up the surrounding in the clipboard (1) separately, and the drawer type ash collecting box (6) is sliding
It is dynamic to be arranged on the lower frame (3) top, and one end is threaded through in left frame (5) or left frame (4), and with left frame (5) or
Left frame (4) inner wall is inconsistent, and the other end stretches out left frame (4) or left frame (5), and outside with left frame (4) or left frame (5)
Wall is inconsistent, and blackboard-cleaning device (7) setting is pasted in clipboard (1) front, and with the positive phase elastic tight of clipboard (1)
It closes, and the blackboard-cleaning device (7) one end is also slidably connected with the upper side frame (2), the other end is also slided with lower frame (3)
Connection.
2. the blackboard for teaching of included blackboard-cleaning device according to claim 1, it is characterised in that: the blackboard-cleaning
Device (7) includes blackboard eraser frame (7.1), upper roller component (7.2), bottom roller component (7.3) and blackboard brush assembly (7.4)；
Upper roller component (7.2) setting is slidably connected on blackboard eraser frame (7.1) top, and with the upper side frame (2)；
Bottom roller component (7.3) setting is slidably connected in blackboard eraser frame (7.1) lower part, and with the lower frame (3)；
It is equipped with blackboard brush assembly mounting hole (7.5) towards the side of clipboard (1) in the blackboard eraser frame (7.1), it is described black
Blackboard eraser component (7.4) is arranged in the blackboard brush assembly mounting hole (7.5)；
Spring assembly (7.6), the blackboard eraser are additionally provided between the blackboard brush assembly (7.4) and blackboard eraser frame (7.1)
Component (7.4) side is another by the spring assembly (7.6) and blackboard eraser frame (7.1) the inner wall phase elastic connection
Side is mutually fitted closely with the clipboard (1) front；
The grey flange (7.7) of a gear, two institutes are further respectively had in the left and right side of the blackboard brush assembly mounting hole (7.5)
Left and right side of the inner sidewall for keeping off grey flange (7.7) respectively with the blackboard brush assembly (7.4) is stated to fit.
3. the blackboard for teaching of included blackboard-cleaning device according to claim 2, it is characterised in that:
The upper roller component (7.2) includes upper roller shaft (7.2a) and upper roller (7.2b), and the upper roller (7.2b) wears
In the inner cavity of the upper side frame (2), described upper roller shaft one end (7.2a) is connect with blackboard eraser frame (7.1) top,
The other end passes through the upper hopper chute hole (2.1) that upper side frame (2) are equipped with and connect with the upper roller (7.2b)；
The bottom roller component (7.3) includes bottom roller axis (7.3a) and bottom roller (7.3b), and the bottom roller (7.3b) wears
In the inner cavity of the lower frame (3), described upper roller shaft one end (7.2a) is connect with blackboard eraser frame (7.1) lower part,
The other end passes through the downslide slot (3.1) that lower frame (3) are equipped with and connect with the bottom roller (7.3b)；
The blackboard brush assembly (7.4) includes bristle bars (7.4a) and bristle bars fixed frame (7.4b), the bristle bars fixed frame
The one end (7.4b) passes through the spring assembly (7.6) and blackboard eraser frame (7.1) the inner wall elastic connection, the other end and institute
Bristle bars (7.4a) detachable connection is stated, the bristle bars (7.4a) mutually fit closely with the clipboard (1) front；
The spring assembly (7.6) is made of several springs (7.6a), each spring (7.6a) one end with the blackboard eraser
Frame (7.1) inner wall is fixedly connected, and the other end is fixedly connected with the bristle bars fixed frame (7.4b).
4. the blackboard for teaching of included blackboard-cleaning device according to claim 3, it is characterised in that: in the bristle bars
Fixed frame (7.4b) is additionally provided with bristle bars mounting groove (7.4c) towards the side of clipboard (1), and the bristle bars (7.4a) plug
In the bristle bars mounting groove (7.4c), and with bristle bars mounting groove (7.4c) detachable connection.
5. the blackboard for teaching of included blackboard-cleaning device according to claim 3, it is characterised in that:
The upper hopper chute hole (2.1) is set in the upper side frame (2) front, is equipped with and submits a written statement to a higher authority at the upper side frame (2) back side
It writes plate and hooks slot (2.2)；
The downslide slot (3.1) is set in the lower frame (3) front, is equipped with lower book at the lower frame (3) back side
It writes plate and hooks slot (3.2)；
The top and bottom of the clipboard (1) are threaded through the upper clipboard respectively and hook slot (2.2) and lower clipboard hook slot
(3.2) in；
The upper hopper chute hole (2.1), downslide slot (3.1), upper clipboard hooks slot (2.2) and lower clipboard hooks the two of slot (3.2)
End is opening form.
6. the blackboard for teaching of included blackboard-cleaning device according to claim 2, it is characterised in that:
Knob (7.8) are additionally provided with away from the side of the clipboard (1) in the blackboard eraser frame (7.1)；
It is also buckled respectively in the top and bottom of the blackboard eraser frame (7.1) and is equipped with first plug (8)；
In the top and bottom of the left frame (4) and left frame (5), also button is equipped with second plug (9) respectively.
7. the blackboard for teaching of included blackboard-cleaning device according to claim 1, it is characterised in that:
One first installation is further respectively had towards the side upper end of clipboard (1) in the left frame (4) and left frame (5)
Hole (10)；
One second installation is further respectively had towards the side lower end of clipboard (1) in the left frame (4) and left frame (5)
Hole (11)；
A third mounting hole is additionally provided with away from the side lower end of clipboard (1) in the left frame (4) or left frame (5)
(12)；
The left and right both ends of the upper side frame (2) are plugged in the first mounting hole (10) and left frame (5) of left frame (4) respectively
In first mounting hole (10), and it is inconsistent with the inner wall of the inner wall of left frame (4) and left frame (5) respectively；
The left and right both ends of the lower frame (3) are plugged in the second mounting hole (11) and left frame (5) of left frame (4) respectively
In second mounting hole (11), and it is inconsistent with the inner wall of the inner wall of left frame (4) and left frame (5) respectively；
One end of the drawer type ash collecting box (6) sequentially passes through the second mounting hole (11) of left frame (4) or left frame (5),
Three mounting holes (12), and it is inconsistent with the outer wall of left frame (4) or left frame (5)；
The other end of the drawer type ash collecting box (6) passes through in the second mounting hole (11) on left frame (5) or left frame (4),
And it offsets with the inner wall of left frame (5) or left frame (4).
8. the blackboard for teaching of included blackboard-cleaning device according to claim 7, it is characterised in that: in the drawer type
Ash collecting box (6) top is equipped with trapezoidal ash collection slot (6.1), is equipped with sliding slot (6.2) in drawer type ash collecting box (6) bottom, described
Sliding rail (3.3) of the drawer type ash collecting box (6) by sliding slot (6.2) with setting on lower frame (3) top is slidably matched, and the pumping
Drawer formula ash collecting box (6) one end sequentially passes through the second mounting hole (11) of left frame (4) or left frame (5), third mounting hole (12)
And it is inconsistent with the outer wall of left frame (4) or left frame (5), the other end passes through the second peace on left frame (5) or left frame (4)
It fills hole (11), and inconsistent with the inner wall of the left frame (5) or left frame (4).
9. the blackboard for teaching of included blackboard-cleaning device according to claim 8, it is characterised in that: in the drawer type
Ash collecting box (6) and left frame (4) or inconsistent one end of outer wall of left frame (5) are additionally provided with a sealing plate (6.3), the sealing plate
(6.3) one end and the outer wall of left frame (4) or left frame (5) are inconsistent, and the other end is equipped with a pull ring (6.4), the pull ring
(6.4) it rotates and connect with the sealing plate (6.3).
10. the blackboard for teaching of included blackboard-cleaning device according to claim 8, it is characterised in that: in the drawer
A rubber pad (13) is additionally provided between formula ash collecting box (6) and lower frame (3), the rubber pad (13) be located in the sliding rail
(3.3) it on, and is matched with the sliding slot (6.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245788.9U CN209274222U (en) | 2018-12-29 | 2018-12-29 | A kind of blackboard for teaching of included blackboard-cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822245788.9U CN209274222U (en) | 2018-12-29 | 2018-12-29 | A kind of blackboard for teaching of included blackboard-cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209274222U true CN209274222U (en) | 2019-08-20 |
Family
ID=67607810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822245788.9U Active CN209274222U (en) | 2018-12-29 | 2018-12-29 | A kind of blackboard for teaching of included blackboard-cleaning device |
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| Country | Link |
|---|---|
| CN (1) | CN209274222U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110973905A (en) * | 2019-12-20 | 2020-04-10 | 江苏森德邦信息科技有限公司 | Security protection locker |
| CN111572250A (en) * | 2020-05-19 | 2020-08-25 | 刘必华 | Dust diffusion prevention type blackboard wiper |
| CN113978163A (en) * | 2021-11-30 | 2022-01-28 | 安徽信息工程学院 | Intelligent blackboard convenient to use |
| CN114347700A (en) * | 2022-02-16 | 2022-04-15 | 熊万川 | From plug-type blackboard about taking blackboard eraser |
-
2018
- 2018-12-29 CN CN201822245788.9U patent/CN209274222U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110973905A (en) * | 2019-12-20 | 2020-04-10 | 江苏森德邦信息科技有限公司 | Security protection locker |
| CN111572250A (en) * | 2020-05-19 | 2020-08-25 | 刘必华 | Dust diffusion prevention type blackboard wiper |
| CN113978163A (en) * | 2021-11-30 | 2022-01-28 | 安徽信息工程学院 | Intelligent blackboard convenient to use |
| CN114347700A (en) * | 2022-02-16 | 2022-04-15 | 熊万川 | From plug-type blackboard about taking blackboard eraser |
| CN114347700B (en) * | 2022-02-16 | 2023-08-11 | 陕西普信领都科技服务有限公司 | Up-down push-pull blackboard with blackboard eraser |
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