CN204472292U - A kind of blackboard with projection screen - Google Patents
A kind of blackboard with projection screen Download PDFInfo
- Publication number
- CN204472292U CN204472292U CN201520189990.8U CN201520189990U CN204472292U CN 204472292 U CN204472292 U CN 204472292U CN 201520189990 U CN201520189990 U CN 201520189990U CN 204472292 U CN204472292 U CN 204472292U
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- CN
- China
- Prior art keywords
- curtain
- blackboard
- projection screen
- support member
- lateral support
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Abstract
A kind of blackboard with projection screen comprises a supportive body, comprise a support frame and a writing element, described support frame comprises two longitudinal support element, one first lateral support member and one second lateral support member, described first lateral support member extends to be connected to described longitudinal support element, and the extension of described second lateral support member is to be connected to described longitudinal support element; Described writing element is connected to described support frame; Described first lateral support member has a container cavity, an accent, a curtain mouth and a lid, and described accent and described curtain mouth are communicated in described container cavity, and described lid is closed in described accent; With a curtain main body, it comprises a curtain axle, a traction element and a curtain, described curtain axle is arranged at described container cavity, the side of described curtain is connected to curtain described in described curtain axle by described curtain mouth and is twisted on described curtain axle, and described traction element is arranged at the opposite side of described curtain.
Description
Technical field
The utility model relates to a kind of blackboard, in particular to a kind of blackboard with projection screen, the wherein said blackboard with projection screen provides a supportive body and a projection screen, described projection screen is covered on described supportive body, using have described in making projection screen blackboard can not only by as traditional blackboard by writing on the blackboard word, but also instrument projection image information can be projected, thus easy to use.
Background technology
In the teaching process in modern times, especially for language teaching, more and more need the participation of projecting apparatus to improve the efficiency of teaching.Traditional blackboard and projecting apparatus separate, usual blackboard is fixed in the middle part in classroom, for being projected the projection screen of instrument because can not blackboard be hidden, thus projection screen is arranged in the sidepiece in classroom usually, like this, will unusual trouble when can make content on the student viewing projection screen of the other side being in classroom and information, to such an extent as to the study of the student of other side can be have impact on.
Therefore, the utility model aims to provide a kind of novel blackboard to meet the needs in market.
Utility model content
(1) technical problem that will solve
For the deficiencies in the prior art, the utility model provides a kind of blackboard with projection screen, the wherein said blackboard structure with projection screen is simple, easy to use, cost is low, safe and reliable, and described in there is the blackboard of projection screen use can meet the demand in market well.
(2) to achieve these goals, the utility model provides a kind of blackboard with projection screen, and the technical solution of the utility model is achieved in that a kind of blackboard with projection screen, comprising:
One supportive body, wherein said supportive body comprises a support frame and a writing element, described support frame comprises two longitudinal support element, one first lateral support member and one second lateral support member, described in each, longitudinal support element is arranged symmetrically, the two ends of described first lateral support member extend the upper end being connected to longitudinal support element described in each respectively, and the two ends of described second lateral support member extend the lower end being connected to longitudinal support element described in each respectively; The periphery of described writing element extends to be connected to described first lateral support member, described second lateral support member and longitudinal support element described in each respectively; Wherein said first lateral support member has a container cavity, an accent, a curtain mouth and a lid further, and described accent and described curtain mouth are communicated in described container cavity respectively, and described lid is closed in described accent; And
One curtain main body, wherein said curtain main body comprises a curtain axle, a traction element and a curtain, described curtain axle is arranged at described container cavity, and the two ends of described curtain axle extend respectively and are connected to described first lateral support member with axle, the side of described curtain is connected to described curtain axle by described curtain mouth and described curtain is twisted on described curtain axle, and described traction element is arranged at the opposite side of described curtain.
According to the preferred embodiment that the utility model spirit provides, the described blackboard with projection screen also comprises a connection main body, wherein said connection main body comprises one first Connection Element and one second Connection Element, described first Connection Element is arranged at described traction element, described second Connection Element is arranged at described second lateral support member, and described first Connection Element is connected to described second Connection Element.
According to the preferred embodiment that the utility model spirit provides, described first Connection Element and described second Connection Element are the magnetic elements mutually exchanged.
According to the preferred embodiment that the utility model spirit provides, described traction element is provided with a tow handle.
(3) beneficial effect
The utility model has following beneficial effect:
Main advantage of the present utility model is to provide a kind of blackboard with projection screen, and the wherein said blackboard with projection screen is particularly suitable for being applied in the teaching process of Chinese language by Chinese language teacher, and can improve the efficiency of teaching as much as possible.
Another advantage of the present utility model is to provide a kind of blackboard with projection screen, the wherein said blackboard with projection screen provides a supportive body and a projection screen, described projection screen is covered on described supportive body, using have described in making projection screen blackboard can not only by as traditional blackboard by writing on the blackboard word, but also instrument projection image information can be projected, thus easy to use.
Another advantage of the present utility model is to provide a kind of blackboard with projection screen, the wherein said blackboard with projection screen also provides a connection main body, for the curtain being fixedly in using state, and can guarantee that curtain is by the reliability in the process that uses.
Another advantage of the present utility model is to provide a kind of blackboard with projection screen, the wherein said blackboard Each part with projection screen relates to rationally, scientific arrangement, therefore, described there is the blackboard of projection screen material cost and manufacturing cost have and can be effectively controlled and monitor, thus, there is described in can improving the cost performance of the blackboard of projection screen.
Another advantage of the present utility model is to provide a kind of blackboard with projection screen, the wherein said blackboard with projection screen does not relate to complicated technique and accurate component, and described in there is the blackboard of projection screen raw material sources extensively and at a low price, effectively can meet the demand in market, therefore, the blackboard described in projection screen has good market prospects and space.
The technical characteristic illustrating at following detailed description of the invention, accompanying drawing and mention in claims and combination thereof are further disclosed and are set forth by other objects of the present utility model, advantage and feature.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view with the blackboard of projection screen according to a preferred embodiment of the present utility model.
Fig. 2 is the decomposing schematic representation with the blackboard of projection screen according to above preferred embodiment of the present utility model.
Fig. 3 is the cross-sectional schematic with the blackboard of projection screen according to above preferred embodiment of the present utility model.
Fig. 4 be according to above preferred embodiment of the present utility model there is the blackboard of projection screen analyse and observe partial schematic diagram.
Fig. 5 is the schematic diagram with a using state of the blackboard of projection screen according to above preferred embodiment of the present utility model.
Fig. 6 is the schematic diagram with another using state of the blackboard of projection screen according to above preferred embodiment of the present utility model.
Fig. 7 is the schematic diagram with another using state of the blackboard of projection screen according to above preferred embodiment of the present utility model.
Detailed description of the invention
Below describe and realize the utility model for disclosing the utility model to enable those skilled in the art.Preferred embodiment in below describing only as an example, it may occur to persons skilled in the art that other apparent modification.The general principle of the present utility model defined in the following description can be applied to other embodiments, deformation program, improvement project, equivalent and not deviate from the other technologies scheme of spirit and scope of the present utility model.
The preferred embodiment provided according to spirit of the present utility model as shown in Figures 1 to 7, wherein in this preferred embodiment of the present utility model, the utility model provides a kind of blackboard with projection screen, the wherein said blackboard with projection screen comprises supportive body 10 and a curtain main body 20, wherein said supportive body 10 can be used by as traditional blackboard, described curtain main body 20 is arranged at described supportive body 10, and described curtain main body 20 can also be covered in described supportive body 10 after the operation of some row, to be used for auxiliary projection instrument in its surface projection images information by as projection screen, such as Chinese knowledge, thus auxiliary Chinese language teacher uses better.It is worth mentioning that, the described blackboard with projection screen can also comprise the component of other necessity, the learning efficiency of student can be used for improving better with the blackboard described in auxiliary with projection screen, the blackboard such as with projection screen can also comprise a connection main body 30, for by the position after being fixed on adjustment by the described curtain main body 20 after adjustment, thus there is described in guaranteeing the reliability of blackboard when being used as projection screen of projection screen.
According to this preferred embodiment that the utility model spirit provides, described supportive body 10 comprises support frame 11 and a writing element 12, described support frame 11 comprises two longitudinal support element 111, one first lateral support member 112 and one second lateral support member 113, described in each, longitudinal support element 111 is arranged symmetrically, the two ends of described first lateral support member 112 extend the upper end being connected to longitudinal support element 111 described in each respectively, the two ends of described second lateral support member 113 extend the lower end being connected to longitudinal support element 111 described in each respectively, thus, in described first lateral support member 112, described second lateral support member 113 and longitudinal support element 111 described in each form described support frame 11, and the periphery of described writing element 12 extends to be connected to described first lateral support member 112 respectively, described second lateral support member 113 and longitudinal support element 11 described in each.
Further, described first lateral support member 112 has container cavity 1121, accent 1122, curtain mouth 1123 and a lid 1124 further, described accent 1122 and described curtain mouth 1123 are communicated in described container cavity 1121 respectively, and described lid 1124 is closed in described accent 1122.
Similarly, described curtain main body 20 comprises a curtain axle 21, one traction element 22 and a curtain 23, described curtain axle 21 is arranged at described container cavity 1121, and the two ends of described curtain axle 21 extend respectively and are connected to described first lateral support member 112 with axle, the side of described curtain 23 is connected to described curtain axle 21 by described curtain mouth 1123 and described curtain 23 is twisted on described curtain axle 21, described traction element 22 is arranged at the opposite side of described curtain 23, in use, Chinese language teacher can by described traction element 22 evenly and described curtain 23 of pulling a cart evenly, with the blackboard described in guaranteeing with projection screen by the reliability in the process that uses, and described traction element 22 can also prevent described curtain 23 from being involved in described container cavity 1121 completely further, so that use next time.Preferably, described traction element 22 can also be provided with a tow handle 221 and uses better to be suitable for auxiliary Chinese language teacher.
Further, described connection main body 30 comprises one first Connection Element 31 and one second Connection Element 32, described first Connection Element 31 is arranged at described traction element 22, described second Connection Element 32 is arranged at described second lateral support member 113, and described first Connection Element 31 is connected to described second Connection Element 32.And described first Connection Element 31 and described second Connection Element 32 are the magnetic elements mutually exchanged, by such structural design, at the described blackboard with projection screen when being used as projection screen, described connection main body 30 can guarantee its reliability.
Foregoing is exemplifying of specific embodiment of the utility model, for equipment and the structure of wherein not detailed description, should be understood to take the existing common apparatus in this area and universal method to be implemented.
The utility model above-described embodiment is only the use that technical solutions of the utility model are described simultaneously, is only enumerating of technical solutions of the utility model, is not limited to the technical solution of the utility model and protection domain thereof.Equivalent technologies means, equivalent apparatus etc. is adopted to be considered to be to the improvement of the technical scheme disclosed in the utility model claims and description the scope do not exceeded disclosed in the utility model claims and description.
Claims (4)
1. there is a blackboard for projection screen, it is characterized in that, comprising:
One supportive body, wherein said supportive body comprises a support frame and a writing element, described support frame comprises two longitudinal support element, one first lateral support member and one second lateral support member, described in each, longitudinal support element is arranged symmetrically, the two ends of described first lateral support member extend the upper end being connected to longitudinal support element described in each respectively, and the two ends of described second lateral support member extend the lower end being connected to longitudinal support element described in each respectively; The periphery of described writing element extends to be connected to described first lateral support member, described second lateral support member and longitudinal support element described in each respectively; Wherein said first lateral support member has a container cavity, an accent, a curtain mouth and a lid further, and described accent and described curtain mouth are communicated in described container cavity respectively, and described lid is closed in described accent; And
One curtain main body, wherein said curtain main body comprises a curtain axle, a traction element and a curtain, described curtain axle is arranged at described container cavity, and the two ends of described curtain axle extend respectively and are connected to described first lateral support member with axle, the side of described curtain is connected to described curtain axle by described curtain mouth and described curtain is twisted on described curtain axle, and described traction element is arranged at the opposite side of described curtain.
2. there is the blackboard of projection screen as claimed in claim 1, it is characterized in that, the described blackboard with projection screen also comprises a connection main body, wherein said connection main body comprises one first Connection Element and one second Connection Element, described first Connection Element is arranged at described traction element, described second Connection Element is arranged at described second lateral support member, and described first Connection Element is connected to described second Connection Element.
3. have the blackboard of projection screen as claimed in claim 2, it is characterized in that, described first Connection Element and described second Connection Element are the magnetic elements mutually exchanged.
4. have the blackboard of projection screen as claimed in claim 3, it is characterized in that, described traction element is provided with a tow handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189990.8U CN204472292U (en) | 2015-04-01 | 2015-04-01 | A kind of blackboard with projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520189990.8U CN204472292U (en) | 2015-04-01 | 2015-04-01 | A kind of blackboard with projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204472292U true CN204472292U (en) | 2015-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520189990.8U Expired - Fee Related CN204472292U (en) | 2015-04-01 | 2015-04-01 | A kind of blackboard with projection screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204472292U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887176A (en) * | 2017-03-10 | 2017-06-23 | 重庆工业职业技术学院 | A kind of foreign language teaching answer control exhibiting device and its application method |
| WO2021179746A1 (en) * | 2020-03-09 | 2021-09-16 | 苏州桐力光电股份有限公司 | Smart blackboard |
-
2015
- 2015-04-01 CN CN201520189990.8U patent/CN204472292U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887176A (en) * | 2017-03-10 | 2017-06-23 | 重庆工业职业技术学院 | A kind of foreign language teaching answer control exhibiting device and its application method |
| WO2021179746A1 (en) * | 2020-03-09 | 2021-09-16 | 苏州桐力光电股份有限公司 | Smart blackboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20160401 |