CN108851671A - A kind of blackboard of telescopic folding - Google Patents
A kind of blackboard of telescopic folding Download PDFInfo
- Publication number
- CN108851671A CN108851671A CN201810706357.XA CN201810706357A CN108851671A CN 108851671 A CN108851671 A CN 108851671A CN 201810706357 A CN201810706357 A CN 201810706357A CN 108851671 A CN108851671 A CN 108851671A
- Authority
- CN
- China
- Prior art keywords
- fixing sleeve
- blackboard
- slot
- bad
- locking device
- 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
Links
Classifications
-
- 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
-
- 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
Landscapes
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention discloses a kind of blackboard of telescopic folding,Including being symmetrically equipped at intervals with fixed frame,Connecting shaft is equipped between the fixed frame,The first fixing sleeve is arranged in the connecting shaft,The first blackboard is equipped in first fixing sleeve lower end,The second fixing sleeve is arranged on first fixing sleeve,The first through slot is equipped on second fixing sleeve lower end,First blackboard passes through the first through slot and extends to the second fixing sleeve outer end,The second blackboard is equipped in second fixing sleeve rear end,Third fixing sleeve is arranged on second fixing sleeve,The second through slot that the first blackboard and the second blackboard can be made to pass through is equipped on the third fixing sleeve,Second through slot front end is equipped with third blackboard,The 4th fixing sleeve is arranged on the third fixing sleeve,4th fixing sleeve, which is equipped with, makes the first blackboard,The third through slot that second blackboard and third blackboard pass through,Described 4th fixed set upper side is equipped with the 4th blackboard,The connecting shaft is equipped with multiple location holes.
Description
Technical field
The present invention relates to blackboard field, in particular to a kind of blackboard of telescopic folding.
Background technique
Existing blackboard is all to fix one piece, cannot be freely adjusted, so that the thing shown is very little, serious shadow
The normal use for ringing people, is not able to satisfy the use demand of people.
So existing blackboard needs further to improve.
Summary of the invention
Place that purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of blackboard of telescopic folding.
In order to achieve the above object, the present invention uses following scheme：
A kind of blackboard of telescopic folding, including it is symmetrically equipped at intervals with fixed frame, connecting shaft is equipped between the fixed frame,
It is arranged with the first fixing sleeve in the connecting shaft, is equipped with the first blackboard in first fixing sleeve lower end, it is solid described first
Surely it puts on and is arranged with the second fixing sleeve, the first through slot is equipped on second fixing sleeve lower end, first blackboard passes through the
One through slot extends to the second fixing sleeve outer end, the second blackboard is equipped in second fixing sleeve rear end, in second fixing sleeve
On be arranged with third fixing sleeve, be equipped on the third fixing sleeve can make it is the first blackboard and the second blackboard pass through second logical
Slot is equipped with third blackboard in second through slot front end, the 4th fixing sleeve is arranged on the third fixing sleeve, described the
Four fixing sleeves are equipped with the third through slot for passing through the first blackboard, the second blackboard and third blackboard, on the 4th fixing sleeve
End is equipped with the 4th blackboard, and multiple location holes are equipped in the connecting shaft, is equipped with and positioning on second fixing sleeve side
Hole is connected the first locking device of locking, is equipped on third fixing sleeve side and is connected the second of locking with location hole
Locking device is equipped with the third locking device for the locking that is connected with location hole on the 4th fixing sleeve side.
A kind of blackboard of telescopic folding as described above, it is characterised in that first locking device includes being arranged second
First connecting rod on fixing sleeve side, bad equipped with first set on described first connecting rod one end, the first set is badly arranged
In connecting shaft, multiple first positioning holes are equipped on the first set is bad.
A kind of blackboard of telescopic folding as described above, it is characterised in that second locking device includes being arranged in third
The second connecting rod on fixing sleeve side, bad equipped with second set on second connecting rod one end, described second set is badly arranged
In connecting shaft, is gone bad at described second set and be equipped with multiple second location holes.
A kind of blackboard of telescopic folding as described above, it is characterised in that the third locking device includes being arranged the 4th
Third set on fixing sleeve side is bad, is equipped with multiple third location holes on third set is bad.
In conclusion the present invention compared with the existing technology the beneficial effect is that：
The configuration of the present invention is simple, it is easy to use, by being equipped with the first fixing sleeve, the second fixing sleeve, third fixing sleeve and the
Four fixing sleeves be free to for blackboard being adjusted, and pass through the first locking device, the second locking device and third locking device
Blackboard is fixed, of simple structure and strong practicability, meets the use demand of people.
Detailed description of the invention
Fig. 1 is one of stereoscopic schematic diagram of the invention；
Fig. 2 is the two of stereoscopic schematic diagram of the invention；
Fig. 3 is the three of stereoscopic schematic diagram of the invention.
Specific embodiment
The invention will be further described with specific embodiment for explanation with reference to the accompanying drawing：
A kind of blackboard of telescopic folding as shown in Figures 1 to 3, including it is symmetrically equipped at intervals with fixed frame 1, in the fixed frame
It is equipped with connecting shaft 11 between 1, the first fixing sleeve 12 is arranged in the connecting shaft 11, is set in 12 lower end of the first fixing sleeve
There is the first blackboard 16, the second fixing sleeve 13 is arranged on first fixing sleeve 12, on 13 lower end of the second fixing sleeve
Equipped with the first through slot 131, first blackboard 16 passes through the first through slot 131 and extends to 13 outer end of the second fixing sleeve, described the
Two fixing sleeves, 13 rear end is equipped with the second blackboard 17, is arranged with third fixing sleeve 14 on second fixing sleeve 13, described the
Three fixing sleeves 14 are equipped with the second through slot 141 that the first blackboard 16 and the second blackboard 17 can be made to pass through, in second through slot 141
Front end is equipped with third blackboard 19, the 4th fixing sleeve 15 is arranged on the third fixing sleeve 14, in the 4th fixing sleeve 15
It is equipped with the third through slot 151 for passing through the first blackboard 16, the second blackboard 17 and third blackboard 19, in the 4th fixing sleeve 15
Upper end is equipped with the 4th blackboard, and multiple location holes 100 are equipped in the connecting shaft 11, are set on 13 side of the second fixing sleeve
There is the first locking device 2 of the locking that is connected with location hole 100, is equipped on 14 side of third fixing sleeve and location hole
100 the second locking devices 3 for being connected locking, are equipped with the lock that is connected with location hole 100 on 15 side of the 4th fixing sleeve
Fixed third locking device 4 can be certainly by being equipped with the first fixing sleeve, the second fixing sleeve, third fixing sleeve and the 4th fixing sleeve
By blackboard is adjusted, blackboard is fixed by the first locking device, the second locking device and third locking device,
Of simple structure and strong practicability meets the use demand of people.
Heretofore described first locking device 2 includes the first connecting rod 21 being arranged on 13 side of the second fixing sleeve,
First set bad 21 is equipped on described 21 one end of first connecting rod, the first set bad 21 is set in connecting shaft 11, described
First set bad 21 is equipped with multiple first positioning holes 23, by pulling first set badly can make the second fixing sleeve in connecting shaft
One end can badly make the second blackboard adjust angle by rotating first set, and of simple structure and strong practicability meets making for people
Use demand.
Heretofore described second locking device 3 includes the second connecting rod 31 being arranged on 14 side of third fixing sleeve,
Second set bad 31 is equipped on described second connecting rod, 31 one end, described second set bad 31 is set in connecting shaft 11, described
It is equipped with multiple second location holes 33 for second set bad 31, badly can make third fixing sleeve in connecting shaft by pulling second set
One end badly can make third blackboard adjust angle by second set of rotation, and of simple structure and strong practicability meets making for people
Use demand.
Heretofore described third locking device 4 includes the third set bad 41 being arranged on 15 side of the 4th fixing sleeve,
The third set bad 41 is equipped with multiple third location holes 42, by pulling third set is bad the 4th fixing sleeve can be made to connect
One end on axis can make the 4th blackboard adjust angle by the way that rotation third set is bad, and of simple structure and strong practicability meets people
Use demand.
Basic principles and main features and advantages of the present invention of the invention, the skill of the industry has been shown and described above
Art personnel it should be appreciated that the present invention is not limited to the above embodiments, the above embodiments and description only describe
The principle of the present invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these
Changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and
Its equivalent thereof.
Claims (4)
1. a kind of blackboard of telescopic folding, including symmetrically it is equipped at intervals with fixed frame (1), it is characterised in that：In the fixed frame (1)
Between be equipped with connecting shaft (11), the first fixing sleeve (12) are arranged on the connecting shaft (11), in first fixing sleeve
(12) lower end is equipped with the first blackboard (16), is arranged with the second fixing sleeve (13) on first fixing sleeve (12), described the
Two fixing sleeves (13) lower end is equipped with the first through slot (131), and first blackboard (16) passes through the first through slot (131) and extends to the
Two fixing sleeves (13) outer end is equipped with the second blackboard (17) in the second fixing sleeve (13) rear end, in second fixing sleeve
(13) third fixing sleeve (14) are arranged on, the first blackboard (16) and second black can be made by being equipped on the third fixing sleeve (14)
The second through slot (141) that plate (17) passes through is equipped with third blackboard (19) in the second through slot (141) front end, in the third
The 4th fixing sleeve (15) is arranged on fixing sleeve (14), being equipped on the 4th fixing sleeve (15) makes the first blackboard (16), the
The third through slot (151) that two blackboards (17) and third blackboard (19) pass through is equipped with the 4th in the 4th fixing sleeve (15) upper end
Blackboard is equipped with multiple location holes (100) on the connecting shaft (11), is equipped with and determines on the second fixing sleeve (13) side
Position hole (100) is connected the first locking device (2) of locking, is equipped on third fixing sleeve (14) side and location hole
(100) be connected the second locking device (3) of locking, is equipped on the 4th fixing sleeve (15) side and location hole (100)
Be connected the third locking device (4) of locking.
2. a kind of blackboard of telescopic folding according to claim 1, it is characterised in that first locking device (2) includes
First connecting rod (21) on the second fixing sleeve (13) side is set, first is equipped on the first connecting rod (21) one end
It covers bad (21), the first set bad (21) is set on connecting shaft (11), and multiple first are equipped on the first set bad (21)
Location hole (23).
3. a kind of blackboard of telescopic folding according to claim 1, it is characterised in that second locking device (3) includes
The second connecting rod (31) on third fixing sleeve (14) side is set, second is equipped on described second connecting rod (31) one end
It covers bad (31), second set bad (31) are set on connecting shaft (11), and multiple second are equipped on described second set bad (31)
Location hole (33).
4. a kind of blackboard of telescopic folding according to claim 1, it is characterised in that the third locking device (4) includes
The third being arranged on the 4th fixing sleeve (15) side covers bad (41), covers in the third and is equipped with the positioning of multiple thirds on bad (41)
Hole (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810706357.XA CN108851671A (en) | 2018-06-30 | 2018-06-30 | A kind of blackboard of telescopic folding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810706357.XA CN108851671A (en) | 2018-06-30 | 2018-06-30 | A kind of blackboard of telescopic folding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108851671A true CN108851671A (en) | 2018-11-23 |
Family
ID=64297877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810706357.XA Pending CN108851671A (en) | 2018-06-30 | 2018-06-30 | A kind of blackboard of telescopic folding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108851671A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5146345A (en) * | 1990-10-29 | 1992-09-08 | Matsushita Electric Industrial Co., Ltd. | Foldable electronic print board with centrally located printer for stability |
| CN203210940U (en) * | 2013-04-16 | 2013-09-25 | 上海电机学院 | Overturning type blackboard |
| CN203832078U (en) * | 2014-05-09 | 2014-09-17 | 长春理工大学 | Rotating-type multi-face blackboard |
| CN205959463U (en) * | 2016-06-01 | 2017-02-15 | 张雪芳 | Fence device is explained with split type politics to teaching |
| CN107234577A (en) * | 2017-06-30 | 2017-10-10 | 中山市翔实机械设备有限公司 | A kind of box spanner provided with shelf |
-
2018
- 2018-06-30 CN CN201810706357.XA patent/CN108851671A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5146345A (en) * | 1990-10-29 | 1992-09-08 | Matsushita Electric Industrial Co., Ltd. | Foldable electronic print board with centrally located printer for stability |
| CN203210940U (en) * | 2013-04-16 | 2013-09-25 | 上海电机学院 | Overturning type blackboard |
| CN203832078U (en) * | 2014-05-09 | 2014-09-17 | 长春理工大学 | Rotating-type multi-face blackboard |
| CN205959463U (en) * | 2016-06-01 | 2017-02-15 | 张雪芳 | Fence device is explained with split type politics to teaching |
| CN107234577A (en) * | 2017-06-30 | 2017-10-10 | 中山市翔实机械设备有限公司 | A kind of box spanner provided with shelf |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |
|
| RJ01 | Rejection of invention patent application after publication |