CN208035760U - A kind of open university teaching portable folding blackboard - Google Patents
A kind of open university teaching portable folding blackboard Download PDFInfo
- Publication number
- CN208035760U CN208035760U CN201820544350.8U CN201820544350U CN208035760U CN 208035760 U CN208035760 U CN 208035760U CN 201820544350 U CN201820544350 U CN 201820544350U CN 208035760 U CN208035760 U CN 208035760U
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- China
- Prior art keywords
- square tube
- connecting plate
- fixation
- lateral wall
- square
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Abstract
The utility model discloses a kind of open university teaching portable folding blackboards, including the first connecting plate, the outside of first connecting plate is vertically fixedly connected with the first fixation square tube, and first the other side of connecting plate be provided with the second connecting plate, offer the first groove in the middle part of the rear surface of first connecting plate.The rotation that the utility model passes through rotary gemel, the first connecting plate and the second connecting plate can be made to carry out doubling, reduce occupied space, by pressing the first spring stack and second spring column, it can be in order to the storage of connecting square pipes and supporting square tube, by pressing third spring stack, it can be in order to limiting the installation and removal of square tube, further, after first connecting plate and the second connecting plate doubling, first groove and the second groove can be with the placements of tripod easy to support, the design mounts and dismounts convenient, convenient for storing and carrying, it is scientific and reasonable for structure simultaneously, it is at low cost, suitable for promoting the use of.
Description
Technical field
The utility model is related to blackboard field more particularly to a kind of open university teaching portable folding blackboards.
Background technology
Blackboard is a kind of educational aid, say in traditional sense be it be one can be with the plane of repeated writing, existing market
On mobile blackboard structure it is single, a mostly monoblock tablet can not be folded, and then cannot be easy to carry.
It can be easily installed and dismantle while a kind of portable open university for this purpose, the utility model devises one kind
Teaching portable folding blackboard.
Utility model content
The utility model provides a kind of open university teaching portable folding blackboard, integrally can be stored and be rolled over
It is folded while easy to carry, it can effectively solve the problems mentioned above in the background art.
To achieve the goals above, the utility model uses following technical solution：A kind of teaching of open university is with portable
The outside of formula Folding blackboard, including the first connecting plate, first connecting plate is vertically fixedly connected with the first fixation side
Pipe, and the other side of the first connecting plate is provided with the second connecting plate, and first is offered in the middle part of the rear surface of first connecting plate
Groove, and the first connecting plate is rotatablely connected with the second connecting plate by rotary gemel, second connecting plate is far from the first connection
The side of plate is vertically fixedly connected with the second fixation square tube, and it is recessed to offer second in the middle part of the rear surface of the second connecting plate
The bottom end of slot, the first fixation square tube and the second fixation square tube is connected with connecting square pipes, and first fix square tube and
The lateral wall lower part of second fixation square tube is opened up there are two mounting hole, and connecting rope is provided on rear side of the mounting hole, described
The bottom end of connecting rope is fixedly connected with bottom cover, and described first, which fixes square tube and second, fixes fixed in the middle part of the lateral wall of square tube connect
It is connected to handle, there are two the first spring stacks for the lateral wall top fixed installation of the connecting square pipes, and the bottom end of connecting square pipes is lived
Dynamic to be connected with supporting square tube, the lateral wall top of the supporting square tube is installed with second spring column, and under supporting square tube
Side is provided with support foot rest, and the lower surface middle part of the support foot rest is rotatably connected to support sole, the support by bearing
The lateral wall lower part of square tube offers limit hole, and the inside that supporting square tube is located above the support foot rest is fixedly connected with limit
Square tube, the limit square tube lateral wall, which corresponds to, is installed with third spring stack at the position of limit hole.
As a kind of optimal technical scheme of the utility model, the second fixation square tube passes through mounting hole with connecting square pipes
It is connected together with the first spring stack, the first fixation square tube engages company with connecting square pipes by mounting hole and the first spring stack
It connects, the mounting hole matches with the first spring stack.
As a kind of optimal technical scheme of the utility model, the lateral wall lower part of the connecting square pipes corresponds to second spring
Annular groove is offered at the position of column, and connecting square pipes are connected together with supporting square tube by annular groove and second spring column, institute
It states second spring column with annular groove to match, the supporting square tube engages company with limit square tube by third spring stack and limit hole
It connects, the third spring stack matches with limit hole.
As a kind of optimal technical scheme of the utility model, described second fixes on square tube lateral wall close to the upper of handle
The orientation place of setting is fixedly connected with screwed ring, is fixedly connected at the top position of handle on the first fixation square tube lateral wall
There is screwed ring.
As a kind of optimal technical scheme of the utility model, the bottom cover and first fixes square tube and the second fixation square tube
Match.
As a kind of optimal technical scheme of the utility model, the described second width for fixing square tube inner cavity is more than connection side
The width of pipe, the width of the connecting square pipes inner cavity are more than the width of supporting square tube, and the width of the supporting square tube inner cavity is more than
Limit the width of square tube.
As a kind of optimal technical scheme of the utility model, the length of first groove is more than the length of support foot rest
Degree, the sum of the depth of first groove and the depth of the second groove are more than the width of support foot rest.
Compared with prior art, the utility model provides a kind of open university teaching portable folding blackboard, has
Following advantageous effect：By the rotation of rotary gemel, the first connecting plate and the second connecting plate can be made to carry out doubling, reduce and account for
It can be in order to the storage of connecting square pipes and supporting square tube, by pressing by pressing the first spring stack and second spring column with space
Third spring stack is pressed, it can be in order to limit the installation and removal of square tube, further, the first connecting plate and the second connecting plate doubling
Afterwards, the first groove and the second groove can be mounted and dismounted convenient with the placement of tripod easy to support, the design, convenient for storing and taking
Band, at the same it is scientific and reasonable for structure, it is at low cost, suitable for promoting the use of.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.
In the accompanying drawings：
Fig. 1 is the mounted configuration schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram after the utility model connecting square pipes, supporting square tube storage；
Fig. 3 is the rearview of the utility model the first connecting plate and the second connecting plate；
Fig. 4 is the structural schematic diagram after the first connecting plate of the utility model and the second connecting plate doubling；
Fig. 5 is that the utility model supports the postrotational structural schematic diagram of sole；
Fig. 6 is the container structure schematic diagram of the utility model support foot rest；
Fig. 7 is the enlarged structure schematic diagram of A in the utility model Fig. 1.
In figure：1, first square tube is fixed；2, the first groove；3, the first connecting plate；4, rotary gemel；5, the second groove；6,
Second connecting plate；7, second square tube is fixed；8, handle；9, connecting rope；10, bottom cover；11, connecting square pipes；12, second spring column；
13, supporting square tube；14, support foot rest；15, sole is supported；16, mounting hole；17, third spring stack；18, limit hole；19, it limits
Square tube；20, the first spring stack.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "upper", "lower", "inner", "outside" " end ", " preceding
End ", " rear end ", " both ends ", " one end ", the instructions such as " other end " orientation or positional relationship be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " be arranged/offer ", " connection ", etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, can also be can
Dismantling connection, or be integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also pass through
Intermediary is indirectly connected, and can be the connection inside two elements.For the ordinary skill in the art, can have
Body situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment：Referring to Fig.1-7, the utility model provides a kind of technical solution, and a kind of open university teaching is with portable
The outside of Folding blackboard, including the first connecting plate 3, the first connecting plate 3 is vertically fixedly connected with the first fixation square tube 1,
And first the other side of connecting plate 3 be provided with the second connecting plate 6, offer the first groove in the middle part of the rear surface of the first connecting plate 3
2, and the first connecting plate 3 is rotatablely connected with the second connecting plate 6 by rotary gemel 4, the second connecting plate 6 is far from the first connecting plate 3
Side be vertically fixedly connected with the second fixation square tube 7, and it is recessed to offer second in the middle part of the rear surface of the second connecting plate 6
Slot 5, the bottom end that the first fixation square tube 1 and second fixes square tube 7 is connected with connecting square pipes 11, and first fixes square tube 1
It being opened up there are two mounting hole 16 with the lateral wall lower part of the second fixation square tube 7, the rear side of mounting hole 16 is provided with connecting rope 9,
The bottom end of connecting rope 9 is fixedly connected with bottom cover 10, and the first lateral wall middle part for fixing the fixation square tube 7 of square tube 1 and second is fixed
It is connected with handle 8, the lateral wall top of connecting square pipes 11 is fixedly mounted that there are two the first spring stacks 20, and the bottom of connecting square pipes 11
End is connected with supporting square tube 13, and the lateral wall top of supporting square tube 13 is installed with second spring column 12, and support side
The lower section of pipe 13 is provided with support foot rest 14, and the lower surface middle part of support foot rest 14 is rotatably connected to support sole by bearing
15, the lateral wall lower part of supporting square tube 13 offers limit hole 18, and the inside that 14 top of support foot rest is located at supporting square tube 13 is solid
Surely it is connected with limit square tube 19, limit 19 lateral wall of square tube corresponds to and is installed with third spring stack at the position of limit hole 18
17。
For the ease of being limited to connecting square pipes 11, in the present embodiment, it is preferred that second fixes square tube 7 and connection side
Pipe 11 is connected together by mounting hole 16 and the first spring stack 20, and the first fixation square tube 1 passes through mounting hole 16 with connecting square pipes 11
It is connected together with the first spring stack 20, mounting hole 16 matches with the first spring stack 20.
For the ease of limiting the installation and removal of square tube 19, in the present embodiment, it is preferred that under the lateral wall of connecting square pipes 11
Portion corresponds to and offers annular groove at the position of second spring column 12, and connecting square pipes 11 and supporting square tube 13 pass through annular groove and the
Two spring stacks 12 are connected together, and second spring column 12 matches with annular groove, and supporting square tube 13 passes through third with limit square tube 19
Spring stack 17 and limit hole 18 are connected together, and third spring stack 17 matches with limit hole 18.
It is fixed for the ease of fixing square tube 7 to the first fixation square tube 1 and second, in the present embodiment, it is preferred that second
Screwed ring is fixedly connected on 7 lateral wall of fixed square tube at the top position of handle 8, first fixes on 1 lateral wall of square tube
It is fixedly connected with screwed ring at the top position of handle 8.
For the ease of the installation of bottom cover 10, in the present embodiment, it is preferred that it is solid that bottom cover 10 and first fixes square tube 1 and second
Determine square tube 7 to match.
For the ease of the storage of supporting square tube 13 and connecting square pipes 11, in the present embodiment, it is preferred that second fixes square tube 7
The width of inner cavity is more than the width of connecting square pipes 11, and the width of 11 inner cavity of connecting square pipes is more than the width of supporting square tube 13, support
The width of 13 inner cavity of square tube is more than the width of limit square tube 19.
For the ease of the storage of support foot rest 14, in the present embodiment, it is preferred that the length of the first groove 2 is more than support leg
The sum of depth of the length of frame 14, the depth of the first groove 2 and the second groove 5 is more than the width of support foot rest 14.
The principles of the present invention and process for using when needing to whole store, press third spring stack first
17, limit square tube 19 is taken out, further, presses the first spring stack 20 and second spring column 12, supporting square tube 13 is pushed into
In connecting square pipes 11, two connecting square pipes 11 are pushed into respectively in the first fixation square tube 1 and the second square tube 7, it, will after being pushed completely into
First bottom cover 10 for fixing 1 lower end of square tube is mounted on first and fixes 1 bottom of square tube, the bottom cover 10 for fixing 7 lower end of square tube by second
7 bottom of square tube is fixed mounted on second, skidding off for connecting square pipes 11 can be prevented, further, by the first connecting plate 3 and second
Connecting plate 6 is along center line doubling, the screwed ring in 7 outside of screwed ring and the second fixation square tube for then fixing 1 outside of square tube by first
It is fixed by the screw rod to match, further, support sole 15 is rotated, rotation is extremely Chong Die with support foot rest 14
Position, then support foot rest 14 is inserted into the space that the first groove 2 and the second groove 5 form, further, carrying handle
9, you can realize and carry, when needing to assemble in use, first take out two groups of support foot rests 14, will the rotation of support sole 15 to
The vertical angle of support foot rest 14, then takes out screw rod, and the first connecting plate 3 and the second connecting plate 6 are expanded to same plane
On, then two groups of bottom covers 10 are taken out, two groups of supporting square tubes 13 and connecting square pipes 11 are taken out respectively, second spring column 12 is blocked
It closes in the corresponding hole in 11 bottom end of connecting square pipes, the first spring stack 20 is fastened in mounting hole 16, further, to support side
Pipe 13 and connecting square pipes 11 are limited, and are then inserted into limit square tube 19 from the bottom end of supporting square tube 13, by third spring stack
17 are fastened in limit hole 18, further, limit square tube 19 are fixed, you can normal use, the design pacify installation and dismantling
It unloads conveniently, convenient for storage and carries, while scientific and reasonable for structure, it is at low cost, suitable for promoting the use of.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of open university teaching portable folding blackboard, including the first connecting plate (3), which is characterized in that described first
The outside of connecting plate (3) is vertically fixedly connected with the first fixation square tube (1), and the other side of the first connecting plate (3) is set
It is equipped with the second connecting plate (6), the first groove (2), and the first connecting plate are offered in the middle part of the rear surface of first connecting plate (3)
(3) it is rotatablely connected by rotary gemel (4) with the second connecting plate (6), second connecting plate (6) is far from the first connecting plate (3)
Side be vertically fixedly connected with the second fixation square tube (7), and the is offered in the middle part of the rear surface of the second connecting plate (6)
The bottom end of two grooves (5), the first fixation square tube (1) and the second fixation square tube (7) is connected with connecting square pipes (11),
And first fixation square tube (1) and second fixation square tube (7) lateral wall lower part open up there are two mounting hole (16), the fixation
Connecting rope (9) is provided on rear side of hole (16), the bottom end of the connecting rope (9) is fixedly connected with bottom cover (10), and described first is solid
Determine to be fixedly connected with handle (8) in the middle part of the lateral wall of square tube (1) and the second fixation square tube (7), the connecting square pipes (11)
There are two the first spring stacks (20) for the fixed installation of lateral wall top, and the bottom end of connecting square pipes (11) is connected with supporting square tube
(13), the lateral wall top of the supporting square tube (13) is installed with second spring column (12), and under supporting square tube (13)
Side is provided with support foot rest (14), and the lower surface middle part of the support foot rest (14) is rotatably connected to support sole by bearing
(15), the lateral wall lower part of the supporting square tube (13) offers limit hole (18), is located at branch above the support foot rest (14)
The inside of support square tube (13) is fixedly connected with limit square tube (19), and described limit square tube (19) lateral wall corresponds to limit hole (18)
Third spring stack (17) is installed at position.
2. a kind of open university teaching portable folding blackboard according to claim 1, which is characterized in that described second
Fixed square tube (7) is connected together with connecting square pipes (11) by mounting hole (16) and the first spring stack (20), and described first fixes
Square tube (1) is connected together with connecting square pipes (11) by mounting hole (16) and the first spring stack (20), the mounting hole (16) with
First spring stack (20) matches.
3. a kind of open university teaching portable folding blackboard according to claim 1, which is characterized in that the connection
The lateral wall lower part of square tube (11) corresponds to and offers annular groove at the positions of second spring column (12), and connecting square pipes (11) and branch
Support square tube (13) is connected together by annular groove and second spring column (12), the second spring column (12) and annular groove phase
Match, the supporting square tube (13) is connected together with limit square tube (19) by third spring stack (17) and limit hole (18), described
Third spring stack (17) matches with limit hole (18).
4. a kind of open university teaching portable folding blackboard according to claim 1, which is characterized in that described second
Screwed ring is fixedly connected on fixed square tube (7) lateral wall at the top position of handle (8), described first fixes square tube
(1) on lateral wall screwed ring is fixedly connected at the top position of handle (8).
5. a kind of open university teaching portable folding blackboard according to claim 1, which is characterized in that the bottom cover
(10) match with the first fixation square tube (1) and the second fixation square tube (7).
6. a kind of open university teaching portable folding blackboard according to claim 1, which is characterized in that described second
The width of fixed square tube (7) inner cavity is more than the width of connecting square pipes (11), and the width of connecting square pipes (11) inner cavity is more than branch
The width of square tube (13) is supportted, the width of supporting square tube (13) inner cavity is more than the width of limit square tube (19).
7. a kind of open university teaching portable folding blackboard according to claim 1, which is characterized in that described first
The length of groove (2) is more than the length of support foot rest (14), the depth of the depth and the second groove (5) of first groove (2)
The sum of be more than support foot rest (14) width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820544350.8U CN208035760U (en) | 2018-04-17 | 2018-04-17 | A kind of open university teaching portable folding blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820544350.8U CN208035760U (en) | 2018-04-17 | 2018-04-17 | A kind of open university teaching portable folding blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208035760U true CN208035760U (en) | 2018-11-02 |
Family
ID=63927394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820544350.8U Expired - Fee Related CN208035760U (en) | 2018-04-17 | 2018-04-17 | A kind of open university teaching portable folding blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208035760U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111292590A (en) * | 2020-02-24 | 2020-06-16 | 沈阳理工大学 | Intelligent English-Chinese teaching device for bilingual teaching |
| CN112554103A (en) * | 2020-11-26 | 2021-03-26 | 吴梦媛 | Folding type guardrail rod for road construction |
| CN112991877A (en) * | 2021-02-24 | 2021-06-18 | 河南应用技术职业学院 | Internet demonstration teaching device convenient to adjust |
-
2018
- 2018-04-17 CN CN201820544350.8U patent/CN208035760U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111292590A (en) * | 2020-02-24 | 2020-06-16 | 沈阳理工大学 | Intelligent English-Chinese teaching device for bilingual teaching |
| CN112554103A (en) * | 2020-11-26 | 2021-03-26 | 吴梦媛 | Folding type guardrail rod for road construction |
| CN112554103B (en) * | 2020-11-26 | 2022-09-06 | 广州海泉装饰设计有限公司 | Folding type guardrail rod for road construction |
| CN112991877A (en) * | 2021-02-24 | 2021-06-18 | 河南应用技术职业学院 | Internet demonstration teaching device convenient to adjust |
| CN112991877B (en) * | 2021-02-24 | 2022-08-02 | 河南应用技术职业学院 | Internet demonstration teaching device convenient to adjust |
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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: 20181102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |