CN204245624U - A kind of portable folding blackboard - Google Patents
A kind of portable folding blackboard Download PDFInfo
- Publication number
- CN204245624U CN204245624U CN201420796194.6U CN201420796194U CN204245624U CN 204245624 U CN204245624 U CN 204245624U CN 201420796194 U CN201420796194 U CN 201420796194U CN 204245624 U CN204245624 U CN 204245624U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- block
- side plate
- blackboard
- supporting leg
- 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
A kind of portable folding blackboard, comprise the blackboard panel that two pieces of tops are hinged, side plate is all installed in the both sides of every block blackboard panel, vertical gib block is offered in the outside of side plate, the side-fit of side plate arranges supporting leg, the rear side of supporting leg offers vertical gathering sill, gathering sill is dovetail groove, the ratchet of vertical bar shaped is set on rear side of supporting leg, the lower hinge ratchet of side plate, ratchet coordinates with ratchet, the sidepiece of ratchet installs driving lever, driving lever bottom arranges lower block, the top of driving lever arranges block, lower block and upper block are fixedly mounted on side plate, between driving lever and upper block, spring leaf is set.Can fold between the utility model blackboard panel, amass after folding and diminish, do not take up room very convenient carrying, and its structure is simple, cheap.During use, two pieces of blackboard panels being launched, directly establishing, without the need to supporting in addition; Adjustment uses height as required, and use height direct pull supporting leg, the distance of pull-out, directly for determining length, is easy to open.
Description
Technical field
The utility model belongs to educational aid field, specifically a kind of portable folding blackboard.
Background technology
Blackboard is a kind of teaching aid, and traditional blackboard is located at the places such as the Conference Hall of classroom and some speeches more, is a kind of plate be fixed on wall.Along with the variation of expanding economy and industry, blackboard no longer only for school, the various meetings also in each enterprise.Because of demand, present blackboard is no longer fixed, and occur can mobile blackboard, is convenient to mobilely to put everywhere.Although present blackboard type and function are all a lot, but still there is a lot of defect in them, be fixed at present indoor blackboard or can the blackboard of movement everywhere all can only in indoor instruction, be inconvenient to carry and go out, thus can not meet the demand of field teaching and some outdoor temporary meetings.
Utility model content
The utility model provides a kind of portable folding blackboard, in order to solve defect of the prior art.
The utility model is achieved by the following technical programs:
A kind of portable folding blackboard, comprise the blackboard panel that two pieces of tops are hinged, side plate is all installed in the both sides of every block blackboard panel, vertical gib block is offered in the outside of side plate, the side-fit of side plate arranges supporting leg, the rear side of supporting leg offers vertical gathering sill, gathering sill is dovetail groove, the ratchet of vertical bar shaped is set on rear side of supporting leg, the lower hinge ratchet of side plate, ratchet coordinates with ratchet, the sidepiece of ratchet installs driving lever, driving lever bottom arranges lower block, the top of driving lever arranges block, lower block and upper block are fixedly mounted on side plate, between driving lever and upper block, spring leaf is set.
A kind of portable folding blackboard as above, the bottom of described blackboard panel arranges transverse slat, and transverse slat both sides are coordinated by set bolt with between supporting leg.
The utility model has the advantages that: can fold between the utility model blackboard panel, amass after folding and diminish, do not take up room very convenient carrying, and its structure is simple, cheap.During use, two pieces of blackboard panels being launched, directly establishing, without the need to supporting in addition; Adjustment uses height as required, and use height direct pull supporting leg, the distance of pull-out, directly for determining length, is easy to open.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model structural representation; Fig. 2 is the left TV structure schematic diagram of Fig. 1; Fig. 3 is the I partial enlargement structural representation of Fig. 2.
Reference numeral: block 11 spring leaf 12 driving lever 13 times blocks on 1 blackboard panel 2 side plate 3 gib block 4 gathering sill 5 transverse slat 6 set bolt 7 supporting leg 8 ratchet 9 ratchet 10.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
A kind of portable folding blackboard, as Fig. 1, shown in Fig. 2 and Fig. 3, comprise the blackboard panel 1 that two pieces of tops are hinged, side plate 2 is all installed in the both sides of every block blackboard panel 1, vertical gib block 3 is offered in the outside of side plate 2, the side-fit of side plate 2 arranges supporting leg 7, the rear side of supporting leg 7 offers vertical gathering sill 4, gathering sill 4 is dovetail groove, the ratchet 8 of vertical bar shaped is set on rear side of supporting leg 7, the lower hinge ratchet 9 of side plate 2, ratchet 9 coordinates with ratchet 8, the sidepiece of ratchet 9 installs driving lever 12, driving lever 12 bottom arranges lower block 13, the top of driving lever 12 arranges block 10, lower block 13 and upper block 10 are fixedly mounted on side plate 2, spring leaf 11 is set between driving lever 12 and upper block 10.During use, directly pulled out by supporting leg 7, after pull-out under the effect of ratchet 9 and ratchet 8, supporting leg 7 can not retreat after pulling out, and is opened by two pieces of blackboard panels 1, can support; When packing up, stir driving lever 12, ratchet 9 is separated with ratchet 8, be i.e. recoverable supporting leg 7.
Specifically, in order to increase the stability of using state, the bottom of the blackboard panel 1 described in the present embodiment arranges transverse slat 5, and transverse slat 5 both sides are coordinated by set bolt 6 with between supporting leg 7.Transverse slat 5 avoids opposing oscillatory between supporting leg 7, improves stable; Meanwhile, transverse slat 5 can hold the article such as chalk, sheet material in use.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (2)
1. a portable folding blackboard, it is characterized in that: comprise the blackboard panel (1) that two pieces of tops are hinged, side plate (2) is all installed in the both sides of every block blackboard panel (1), vertical gib block (3) is offered in the outside of side plate (2), the side-fit of side plate (2) arranges supporting leg (7), the rear side of supporting leg (7) offers vertical gathering sill (4), gathering sill (4) is dovetail groove, supporting leg (7) rear side arranges the ratchet (8) of vertical bar shaped, the lower hinge ratchet (9) of side plate (2), ratchet (9) coordinates with ratchet (8), the sidepiece of ratchet (9) installs driving lever (12), driving lever (12) bottom arranges lower block (13), the top of driving lever (12) arranges block (10), lower block (13) and upper block (10) are fixedly mounted on side plate (2), spring leaf (11) is set between driving lever (12) and upper block (10).
2. a kind of portable folding blackboard according to claim 1, it is characterized in that: the bottom of described blackboard panel (1) arranges transverse slat (5), coordinated by set bolt (6) between transverse slat (5) both sides with supporting leg (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796194.6U CN204245624U (en) | 2014-12-12 | 2014-12-12 | A kind of portable folding blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796194.6U CN204245624U (en) | 2014-12-12 | 2014-12-12 | A kind of portable folding blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204245624U true CN204245624U (en) | 2015-04-08 |
Family
ID=52949988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420796194.6U Expired - Fee Related CN204245624U (en) | 2014-12-12 | 2014-12-12 | A kind of portable folding blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204245624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060810A (en) * | 2020-08-21 | 2020-12-11 | 泰州广亿净环保科技有限公司 | Adjustable double blackboard |
-
2014
- 2014-12-12 CN CN201420796194.6U patent/CN204245624U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112060810A (en) * | 2020-08-21 | 2020-12-11 | 泰州广亿净环保科技有限公司 | Adjustable double 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 |
Granted publication date: 20150408 Termination date: 20151212 |
|
| EXPY | Termination of patent right or utility model |