CN206374421U - A kind of dust-proof Dual-side blackboard - Google Patents
A kind of dust-proof Dual-side blackboard Download PDFInfo
- Publication number
- CN206374421U CN206374421U CN201620213465.XU CN201620213465U CN206374421U CN 206374421 U CN206374421 U CN 206374421U CN 201620213465 U CN201620213465 U CN 201620213465U CN 206374421 U CN206374421 U CN 206374421U
- Authority
- CN
- China
- Prior art keywords
- dust
- bearing seat
- support frame
- trapezoidal
- dual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of dust-proof Dual-side blackboard, including base and support frame, it is characterized in that, the inside lower right corner of the base is provided with motor, the midpoint of support frame as described above left and right ends is provided with jackshaft by first bearing seat and second bearing seat mounted thereon, Dual-side blackboard is installed on the jackshaft, upper and lower ends in support frame front and back are respectively provided with one group of trapezoidal track, each be fitted together to has one group of dust excluding plate in every two groups of trapezoidal tracks, is coupled between the motor and second bearing seat by belt.The utility model flexible structure, adds write area, and can play dust-proof effect when idle, significantly reduces the potential safety hazard of teacher.
Description
Technical field
The utility model is related to educational aid, and in particular to a kind of dust-proof Dual-side blackboard.
Background technology
The inflexible fixation of traditional blackboard structure, underaction, write area is limited, and is subject to dust when idle
Pollution, potential safety hazard is caused to numerous teachers.
The content of the invention
The purpose of this utility model is to provide a kind of dust-proof Dual-side blackboard.
To achieve the above object, the technical solution adopted in the utility model is：A kind of dust-proof Dual-side blackboard, including base and
Support frame, the inside lower right corner of the base is provided with motor, and the midpoint of support frame as described above left and right ends passes through installed in it
First bearing seat and second bearing seat above is provided with jackshaft, the jackshaft and is provided with Dual-side blackboard, in support frame
The upper and lower ends of front and back be respectively provided with one group of trapezoidal track, every two groups of trapezoidal tracks it is each it is chimeric have one group it is dust-proof
Plate, is coupled between the motor and second bearing seat by belt.
Preferably, the upper and lower ends of the dust excluding plate are respectively provided with a trapezoidal projection, the trapezoidal projection can with it is trapezoidal
Track is mutually fitted together to.
By adopting the above-described technical solution, the utility model has the advantages that：
The utility model flexible structure, adds write area, and can play dust-proof effect when idle, greatly
Reduce the potential safety hazard of teacher.
Brief description of the drawings
Fig. 1 is the utility model front view.
Fig. 2 is the utility model left view.
Fig. 3 is utility model works principle schematic.
In figure：1st, base, 2, support frame, 3, motor, 4, first bearing seat, 5, second bearing seat, 6, jackshaft, 7, two-sided
Blackboard, 8, trapezoidal track, 9, dust excluding plate, 10, belt, 11, trapezoidal projection.
Embodiment
As Figure 1-3, the technical solution adopted in the utility model is：A kind of dust-proof Dual-side blackboard, including base 1 and branch
Support 2, the inside lower right corner of the base 1 is provided with motor 3, the midpoints of the left and right ends of support frame as described above 2 by installed in
First bearing seat 4 and second bearing seat 5 above it are provided with jackshaft 6, the jackshaft 6 and are provided with Dual-side blackboard 7,
The upper and lower ends of the front and back of support frame 2 are respectively provided with each chimeric in one group of trapezoidal track 8, every two groups of trapezoidal tracks 8
There is one group of dust excluding plate 9, coupled between the motor 3 and second bearing seat 5 by belt 10.
The upper and lower ends of the dust excluding plate 9 are respectively provided with one trapezoidal raised 11, and described trapezoidal raised 11 can be with trapezoidal track 8
It is mutually chimeric.
By arrangement above, operation principle of the present utility model is as follows：Before use, pass through trapezoidal raised 11 and trapezoidal rail
Cooperation between road 8, dust excluding plate 9 haul out come, Dual-side blackboard 7 it is used above finish after, start motor, pass through belt 10
Drive jackshaft 6 to be rotated, the two-sided of blackboard can be achieved and uses, is towed back to after finishing, then by dust excluding plate 9 to original position
Put, can reach dust-proof purpose.
Above content is to combine the detailed description that specific preferred embodiment is made to the utility model, it is impossible to assert this
The embodiment of utility model is confined to these explanations.For the ordinary skill people of the utility model art
For member, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should be all considered as
Belong to the scope of patent protection for claims determination that the utility model is submitted.
Claims (2)
1. a kind of dust-proof Dual-side blackboard, including base and support frame, it is characterised in that：The inside lower right corner of the base is provided with
Motor, the midpoint of support frame as described above left and right ends is provided with by first bearing seat and second bearing seat mounted thereon
Dual-side blackboard is installed on jackshaft, the jackshaft, the upper and lower ends in support frame front and back are respectively provided with one group of ladder
Each be fitted together to has one group of dust excluding plate in shape track, every two groups of trapezoidal tracks, and skin is passed through between the motor and second bearing seat
Band connection.
2. a kind of dust-proof Dual-side blackboard according to claim 1, it is characterised in that：The upper and lower ends of the dust excluding plate are respectively set
There is a trapezoidal projection, the trapezoidal projection can be mutually chimeric with trapezoidal track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213465.XU CN206374421U (en) | 2016-03-18 | 2016-03-18 | A kind of dust-proof Dual-side blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620213465.XU CN206374421U (en) | 2016-03-18 | 2016-03-18 | A kind of dust-proof Dual-side blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206374421U true CN206374421U (en) | 2017-08-04 |
Family
ID=59401263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620213465.XU Expired - Fee Related CN206374421U (en) | 2016-03-18 | 2016-03-18 | A kind of dust-proof Dual-side blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206374421U (en) |
-
2016
- 2016-03-18 CN CN201620213465.XU patent/CN206374421U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20180318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |