CN112060810A - Adjustable double blackboard - Google Patents
Adjustable double blackboard Download PDFInfo
- Publication number
- CN112060810A CN112060810A CN202010846452.7A CN202010846452A CN112060810A CN 112060810 A CN112060810 A CN 112060810A CN 202010846452 A CN202010846452 A CN 202010846452A CN 112060810 A CN112060810 A CN 112060810A
- Authority
- CN
- China
- Prior art keywords
- rod
- cross rod
- support
- supporting leg
- sleeve
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B91/00—Feet for furniture in general
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/04—Easels or stands for blackboards or the like
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses an adjustable double blackboard which comprises a first cross rod, a second cross rod, a third cross rod and a fourth cross rod, wherein the top surface of the first cross rod is rotatably connected with the top surface of the second cross rod through hinges. In the adjustable double blackboard described in the present invention, the first support leg includes a first support rod and a first telescopic rod, the second support leg includes a second support rod and a second telescopic rod, the third support leg includes a third support rod and a third telescopic rod, the fourth support leg includes a fourth support rod and a fourth telescopic rod, the limiting device is sleeved on the bottom end of the first support rod and the top end of the first telescopic rod, the limiting device is sleeved on the bottom end of the second support rod and the top end of the second telescopic rod, the limiting device is sleeved on the bottom end of the third support rod and the top end of the third telescopic rod, and the limiting device is sleeved on the bottom end of the fourth support rod and the top end of the fourth telescopic rod.
Description
Technical Field
The invention relates to the field of articles for daily use, in particular to an adjustable double-person blackboard.
Background
Most of existing blackboards can only be used by one person, and pens, blackboard sassafras and the like are not easy to store in the using process, do not have storage performance, and have certain technical defects.
Disclosure of Invention
The invention provides an adjustable double blackboard aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a multifunctional blackboard is composed of a first cross rod, a second cross rod, a third cross rod and a fourth cross rod, the top surfaces of said first cross rod and said second cross rod are connected via hinges, the first back plate is arranged between said first cross rod and said third cross rod, the second back plate is arranged between said second cross rod and said fourth cross rod, the first cross rod, said second cross rod, said third cross rod and said fourth cross rod are fixedly connected via supporting legs, and the limiting units are respectively sleeved on the first supporting leg, said second supporting leg, said third supporting leg and said fourth supporting leg, The tray in the middle of the third supporting leg and the fourth supporting leg.
In the adjustable double blackboard described in the present invention, the first support leg includes a first support rod and a first telescopic rod, the second support leg includes a second support rod and a second telescopic rod, the third support leg includes a third support rod and a third telescopic rod, the fourth support leg includes a fourth support rod and a fourth telescopic rod, the limiting device is sleeved on the bottom end of the first support rod and the top end of the first telescopic rod, the limiting device is sleeved on the bottom end of the second support rod and the top end of the second telescopic rod, the limiting device is sleeved on the bottom end of the third support rod and the top end of the third telescopic rod, and the limiting device is sleeved on the bottom end of the fourth support rod and the top end of the fourth telescopic rod.
In the adjustable double blackboard described in the present invention, the rubber sleeve is divided into a first rubber foot sleeve, a second rubber foot sleeve, a third rubber foot sleeve and a fourth rubber foot sleeve, the first rubber foot sleeve is sleeved on the bottom end of the first telescopic rod, the second rubber foot sleeve is sleeved on the bottom end of the second telescopic rod, the third rubber foot sleeve is sleeved on the bottom end of the third telescopic rod, and the fourth rubber foot sleeve is sleeved on the bottom end of the fourth telescopic rod.
In the adjustable double blackboard described in the patent of the present invention, the limit device includes a housing, a threaded hole fixedly provided on the housing, and a limit bolt passing through the threaded hole and matching therewith.
In the adjustable double blackboard described in the present invention, the first end of the first cross bar and the first end of the third cross bar are fixedly connected to the first support leg by the first screw, the second end of the first cross bar and the second end of the third cross bar are fixedly connected to the second support leg by the second screw, the first end of the second cross bar and the first end of the fourth cross bar are fixedly connected to the third support leg by the third screw, and the second end of the second cross bar and the second end of the fourth cross bar are fixedly connected to the fourth support leg by the fourth screw.
In the adjustable double blackboard described in the patent of this invention, the middle of the first supporting leg is equipped with a first limit hole, the first side surface of the tray is equipped with a first sliding groove matched with said first limit hole, and is used for passing through the limit first bolt matched with said first limit hole and said first sliding groove, said limit first bolt is passed through and fixed by first nut, the middle of the second supporting leg is equipped with a second limit hole, the first side surface of the tray is equipped with a second sliding groove matched with said second limit hole, and is used for passing through the limit second bolt matched with said second limit hole and said second sliding groove, said limit second bolt is passed through and fixed by second nut, the middle of the third supporting leg is equipped with a third limit hole, the second side surface of the tray is equipped with a third sliding groove matched with said third limit hole, and is used for passing through the limit third bolt matched with said third limit hole and said third sliding groove, the limiting third bolt is fixed by a third nut after penetrating, a fourth limiting hole is formed in the middle of the fourth supporting leg, a fourth sliding groove matched with the fourth limiting hole is formed in the second side face of the tray, a limiting fourth bolt matched with the fourth limiting hole and used for penetrating through the fourth limiting hole and the fourth sliding groove, and the limiting fourth bolt is fixed by a fourth nut after penetrating through the limiting fourth bolt.
The adjustable double blackboard disclosed by the invention has the following beneficial effects: when using this neotype blackboard of use, but this blackboard of two people's simultaneous use, article such as pen and blackboard sassafras in the use can be placed on the tray simultaneously, are convenient for accomodate, have improved practicality and functionality.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural view of an adjustable double blackboard according to the present invention;
fig. 2 is a schematic structural diagram of the patent limiting device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in figures 1 and 2, in the first embodiment of the adjustable double blackboard of the present invention, the blackboard 1 comprises a first cross bar 2, a second cross bar 3, a third cross bar 4 and a fourth cross bar 5, the top surface of the first cross bar 2 and the top surface of the second cross bar 3 are rotatably connected by hinges 6, a first back plate 7 is arranged on the first cross bar 2 and the third cross bar 4, a second back plate 8 is arranged on the second cross bar 2 and the fourth cross bar 5, the first cross bar 2, the second cross bar 3, the third cross bar 4 and the fourth cross bar 5 are fixedly connected at two ends by support legs, the support legs comprise a first support leg 9, a second support leg 10, a third support leg 11 and a fourth support leg 12, a limiting device 13 is respectively sleeved on the first support leg 9, the second support leg 10, the third support leg 11 and the fourth support leg 12, the first support leg 9, the second support leg 9, the third support leg 11 and the fourth support leg 12, The bottom ends of the second supporting leg 10, the third supporting leg 11 and the fourth supporting leg 12 are respectively sleeved with a rubber sleeve 14 and a tray 15 arranged in the middle of the first supporting leg 9, the second supporting leg 10, the third supporting leg 11 and the fourth supporting leg 12.
Specifically, when the blackboard disclosed by the invention is used, two persons can use the blackboard 1 at the same time, and articles such as pens, blackboard sassafras and the like in the use process can be placed on the tray 15, so that the storage is convenient, and the practicability and the functionality are improved.
Further, the first support leg 9 includes a first support rod 16 and a first telescopic rod 17, the second support leg 10 includes a second support rod 18 and a second telescopic rod 19, the third support leg 11 includes a third support rod 20 and a third telescopic rod 21, the fourth support leg 12 includes a fourth support rod 22 and a fourth telescopic rod 23, the limiting device 13 is sleeved on the bottom end of the first support rod 16 and the top end of the first telescopic rod 17, the limiting device 13 is sleeved on the bottom end of the second support rod 18 and the top end of the second telescopic rod 19, the limiting device 13 is sleeved on the bottom end of the third support rod 20 and the top end of the third telescopic rod 21, and the limiting device 13 is sleeved on the bottom end of the fourth support rod 22 and the top end of the fourth telescopic rod 23.
Further, this rubber sleeve 14 divide into first rubber podotheca 24, second rubber podotheca 25, third rubber podotheca 26 and fourth rubber podotheca 27, and 17 bottom covers of this first telescopic link are equipped with this first rubber podotheca 24, and 19 bottom covers of this second telescopic link are equipped with this second rubber podotheca 25, and 21 bottom covers of this third telescopic link are equipped with this third rubber podotheca 26, and 23 bottom covers of this fourth telescopic link are equipped with this fourth rubber podotheca 27.
Further, the position limiting device 13 includes a housing 28, a threaded hole 29 fixed on the housing 28, and a position limiting bolt 30 passing through and matching with the threaded hole 29.
Specifically, stop device 13 on 16 bottoms of this first bracing piece and this first telescopic link 17 top is located to the cover, through rotating stop bolt 30 on the stop device 13, unscrew stop bolt 30, first bracing piece 16 and first telescopic link 17 can be according to the length of user's demand adjustment first supporting leg 9 by oneself, the length of adjustment first supporting leg 9 is suitable the back, screw up stop bolt 30 on the stop device 13, first bracing piece 16 and first telescopic link 17 are fixed because of the frictional force grow, thereby realize the flexible adjustment of first supporting leg 9, other second supporting legs 10, third supporting leg 11 and fourth supporting leg 12 also adjust length through this mode.
Further, the first end of the first cross rod 2 and the first end of the third cross rod 3 are fixedly connected with the first supporting leg 9 through a first screw 31, the second end of the first cross rod 2 and the second end of the third cross rod 3 are fixedly connected with the second supporting leg 10 through a second screw, the first end of the second cross rod 2 and the first end of the fourth cross rod 5 are fixedly connected with the third supporting leg 11 through a third screw 32, and the second end of the second cross rod 2 and the second end of the fourth cross rod 5 are fixedly connected with the fourth supporting leg 12 through a fourth screw.
Further, a first limiting hole 33 is arranged in the middle of the first supporting leg 9, a first sliding groove 34 matched with the first limiting hole 33 and a limiting first bolt 35 matched with the first limiting hole 33 and the first sliding groove 34 are arranged on the first side surface of the tray 15, the limiting first bolt 35 is fixed by a first nut 36 after passing through the first limiting hole, a second limiting hole is arranged in the middle of the second supporting leg 10, a second sliding groove matched with the second limiting hole is arranged on the first side surface of the tray 15, a limiting second bolt matched with the second limiting hole and the second sliding groove is arranged on the first side surface of the tray 15 and passes through the second limiting hole and the second sliding groove, the limiting second bolt is fixed by a second nut after passing through the second limiting second sliding groove, a third limiting hole is arranged in the middle of the third supporting leg, a third sliding groove matched with the third limiting hole is arranged on the second side surface of the tray and a limiting third bolt matched with the third limiting hole and the third sliding groove passes through the third limiting second bolt, the limiting third bolt is fixed by a third nut after penetrating, a fourth limiting hole is formed in the middle of the fourth supporting leg, a fourth sliding groove matched with the fourth limiting hole is formed in the second side face of the tray, a limiting fourth bolt matched with the fourth limiting hole and used for penetrating through the fourth limiting hole and the fourth sliding groove, and the limiting fourth bolt is fixed by a fourth nut after penetrating through the limiting fourth bolt.
Specifically, the first support leg 9 is provided with the first limiting hole 33, the tray 15 is provided with the first sliding groove 34, and the first limiting bolt 35 passes through the first limiting hole 33 and the first sliding groove 34 and then is fixed by the first nut 36. Other spacing second bolt, spacing third bolt and spacing fourth bolt also are connected tray and supporting leg through this mode, and the user can slide tray accessible sliding tray front and back according to the demand by oneself.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present invention in the specification and drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. An adjustable double blackboard is characterized in that the blackboard comprises a first cross rod, a second cross rod, a third cross rod and a fourth cross rod, the top surface of the first cross rod and the top surface of the second cross rod are rotatably connected through hinges, a first back plate is arranged on a frame of the first cross rod and the third cross rod, a second back plate is arranged on a frame of the second cross rod and the fourth cross rod, the first cross rod, the second cross rod, the third cross rod and the fourth cross rod are fixedly connected through supporting legs, the supporting legs comprise a first supporting leg, a second supporting leg, a third supporting leg and a fourth supporting leg, limiting devices are respectively sleeved on the first supporting leg, the second supporting leg, the third supporting leg and the fourth supporting leg, the bottom ends of the first supporting leg, the second supporting leg, the third supporting leg and the fourth supporting leg are respectively provided with rubber sleeves, and a tray disposed at the middle of the first support leg, the second support leg, the third support leg and the fourth support leg.
2. The blackboard of claim 1, wherein the first support leg includes a first support rod and a first telescopic rod, the second support leg includes a second support rod and a second telescopic rod, the third support leg includes a third support rod and a third telescopic rod, the fourth support leg includes a fourth support rod and a fourth telescopic rod, the stop device sleeve is located the first support rod bottom end with the first telescopic rod top end, the stop device sleeve is located the second support rod bottom end with the second telescopic rod top end, the stop device sleeve is located the third support rod bottom end with the third telescopic rod top end, the stop device sleeve is located the fourth support rod bottom end with the fourth telescopic rod top end.
3. The blackboard according to claim 1 or 2, characterized in that the rubber sleeve is divided into a first rubber foot sleeve, a second rubber foot sleeve, a third rubber foot sleeve and a fourth rubber foot sleeve, the first telescopic rod bottom end sleeve is provided with the first rubber foot sleeve, the second telescopic rod bottom sleeve is provided with the second rubber foot sleeve, the third telescopic rod bottom sleeve is provided with the third rubber foot sleeve, the fourth telescopic rod bottom sleeve is provided with the fourth rubber foot sleeve.
4. The blackboard according to claim 1, characterised in that the limiting means comprise a casing, a threaded hole fixed on the casing, a limiting bolt passing through the threaded hole and matching therewith.
5. The blackboard of claim 1, wherein the first end of the first cross rod and the first end of the third cross rod are fixedly connected with the first support leg through a first screw, the second end of the first cross rod and the second end of the third cross rod are fixedly connected with the second support leg through a second screw, the first end of the second cross rod and the first end of the fourth cross rod are fixedly connected with the third support leg through a third screw, and the second end of the second cross rod and the second end of the fourth cross rod are fixedly connected with the fourth support leg through a fourth screw.
6. The blackboard of claim 1, wherein the first support leg middle part is provided with a first limit hole, the first side surface of the tray is provided with a first sliding groove matched with the first limit hole and supplies the first limit hole and a limit first bolt matched with the first sliding groove to pass through, the limit first bolt is fixed by a first nut after passing through, the second support leg middle part is provided with a second limit hole, the first side surface of the tray is provided with a second sliding groove matched with the second limit hole and supplies the second limit hole and a limit second bolt matched with the second sliding groove to pass through, the limit second bolt is fixed by a second nut after passing through, the third support leg middle part is provided with a third limit hole, the second side surface of the tray is provided with a third sliding groove matched with the third limit hole, And supply with the spacing third bolt that matches of third spacing hole with the third sliding tray passes, spacing third bolt passes the back and is fixed by the third nut, fourth supporting leg middle part is provided with the spacing hole of fourth, the tray second side be provided with the fourth sliding tray that matches of the spacing hole of fourth supplies with the spacing fourth bolt that matches of the spacing hole of fourth with the fourth sliding tray passes, spacing fourth bolt passes the back and is fixed by the fourth nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010846452.7A CN112060810A (en) | 2020-08-21 | 2020-08-21 | Adjustable double blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010846452.7A CN112060810A (en) | 2020-08-21 | 2020-08-21 | Adjustable double blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112060810A true CN112060810A (en) | 2020-12-11 |
Family
ID=73661461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010846452.7A Pending CN112060810A (en) | 2020-08-21 | 2020-08-21 | Adjustable double blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112060810A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204236126U (en) * | 2014-11-28 | 2015-04-01 | 景宁畲族自治县富利达木制工艺品有限公司 | Multi-functional easel |
| CN204245624U (en) * | 2014-12-12 | 2015-04-08 | 铁岭师范高等专科学校 | A kind of portable folding blackboard |
| CN209634120U (en) * | 2019-02-19 | 2019-11-15 | 淮安市恒信教具有限公司 | A kind of removable blackboard for education |
| CN209920919U (en) * | 2018-12-24 | 2020-01-10 | 浙江格铭工艺品有限公司 | Round hole lifting drawing board for children |
| CN210116314U (en) * | 2018-12-24 | 2020-02-28 | 浙江格铭工艺品有限公司 | Children use multi-functional drawing board |
| CN210911785U (en) * | 2019-11-26 | 2020-07-03 | 李清洁 | Teaching panel for classroom learning |
-
2020
- 2020-08-21 CN CN202010846452.7A patent/CN112060810A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204236126U (en) * | 2014-11-28 | 2015-04-01 | 景宁畲族自治县富利达木制工艺品有限公司 | Multi-functional easel |
| CN204245624U (en) * | 2014-12-12 | 2015-04-08 | 铁岭师范高等专科学校 | A kind of portable folding blackboard |
| CN209920919U (en) * | 2018-12-24 | 2020-01-10 | 浙江格铭工艺品有限公司 | Round hole lifting drawing board for children |
| CN210116314U (en) * | 2018-12-24 | 2020-02-28 | 浙江格铭工艺品有限公司 | Children use multi-functional drawing board |
| CN209634120U (en) * | 2019-02-19 | 2019-11-15 | 淮安市恒信教具有限公司 | A kind of removable blackboard for education |
| CN210911785U (en) * | 2019-11-26 | 2020-07-03 | 李清洁 | Teaching panel for classroom learning |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201211 |