CN208730649U - A kind of push-and-pull blackboard - Google Patents
A kind of push-and-pull blackboard Download PDFInfo
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- CN208730649U CN208730649U CN201821272657.3U CN201821272657U CN208730649U CN 208730649 U CN208730649 U CN 208730649U CN 201821272657 U CN201821272657 U CN 201821272657U CN 208730649 U CN208730649 U CN 208730649U
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- blackboard
- fixed frame
- blackboard body
- guide groove
- push
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Abstract
The utility model discloses a kind of push-and-pull blackboards, including upper holder, lower fixed frame, blackboard body and movable stand, fixed frame and lower fixed frame are L-type, the surface of lower fixed frame is arranged in fixed frame, the bottom of fixed frame offers the first guide groove, the second guide groove is offered at the top of the lower fixed frame, motor is fixedly installed on the left of the blackboard body, the output end of the motor is fixedly connected with the screw rod being laterally arranged, threaded hole is run through in one end of the screw rod, and end is connected to bearing block, the right side of blackboard body is arranged in the bearing block.Utilize screw-driven principle, the rotation of motor driven screw rod, so that movable stand can be moved left and right along screw rod direction, to make opposite sliding between the bristle and blackboard body on blackboard eraser, the writing in blackboard body is wiped in realization, it does not need to wipe manually, reduces labor intensity, save the time.
Description
Technical field
The utility model relates to educational aid technical field, specially a kind of push-and-pull blackboard.
Background technique
Currently, blackboard is widely used a kind of teaching tool in teaching.The blackboard point in daily teaching application
It is two kinds, it is fixed on the wall that one is one piece of long slabs；Another is then to be combined into a monolith blackboard, long slab using muti-piece long slab
Between can be slid on the frame of blackboard；But either which kind of blackboard, after large area writes writing on blackboard surface, need by
Its erasing can just reuse.The method for deleting of blackboard is relatively simple at present, is usually wiped using blackboard eraser.If black
There was only a small amount of writing on plate, then it is relatively simple；But if such erasing mode needs to wipe when having large area writing on blackboard
Significantly vertical and horizontal saw the air person, not only time-consuming and laborious, in addition, the form wiped using blackboard eraser, is located at blackboard
The writing of upper edge position, if eraser's height is inadequate, more difficult erasing.
For this purpose, application No. is CN201520485156.3 to disclose a kind of laterally push-and-pull blackboard, it is desirable to provide a kind of convenience,
The lateral push-and-pull blackboard of quick erasing blackboard writing, solves that blackboard is higher, and wiping is inconvenient, wipes time-consuming and laborious problem,
Drip irrigation device is that wiping board mechanism is equipped at the mid-length of frame, and the wiping board mechanism includes mounting base, briquetting and wiper
Item, the both ends of the mounting base are individually fixed in the midpoint along frame length direction, pass through between the briquetting and mounting base
Spring connects and is resisted against wiper item the surface of movable plate, has achieved the effect that quick erasing.
But above scheme still has certain defect, it is still desirable to go to wipe manually, large labor intensity is time-consuming to take
Power has certain limitation.
Utility model content
The purpose of this utility model is to provide a kind of push-and-pull blackboards, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of push-and-pull blackboard, including upper holder,
Lower fixed frame, blackboard body and movable stand, fixed frame and lower fixed frame are L type, and fixed frame is arranged under
The surface of fixed frame, the bottom of fixed frame offer the first guide groove, and is offered at the top of the lower fixed frame
Two guide grooves, the movable stand and blackboard body are vertically arranged, and the rolling of several groups first is connected at the top of the blackboard body
Wheel, the bottom of the blackboard body is connected with the second idler wheel of several groups, and first idler wheel is located in the first guide groove, and described the
Second wheel is located in the second guide groove, and through-hole is offered in the movable stand, and the blackboard body is arranged through through-hole, described logical
The top and bottom in hole offer sliding slot corresponding with blackboard body, close blackboard body positive one in the movable stand
Longitudinally disposed blackboard eraser is fixedly connected on side, the front face of bristle and blackboard body on the blackboard eraser, the shifting
Moving frame offers threaded hole on the positive side of blackboard body, and motor, institute are fixedly installed on the left of the blackboard body
The output end for stating motor is fixedly connected with the screw rod being laterally arranged, and threaded hole is run through in one end of the screw rod, and end is connected to
The right side of blackboard body is arranged in bearing block, the bearing block.
As advanced optimizing for the technical program, a kind of push-and-pull blackboard of the utility model, fixed frame, lower fixation
Frame passes through expansion bolt fixed on wall.
As advanced optimizing for the technical program, a kind of push-and-pull blackboard of the utility model, first guide groove and
Two guide grooves are V-groove, and the depth of first guide groove and the second guide groove is not less than 10mm.
As advanced optimizing for the technical program, a kind of push-and-pull blackboard of the utility model, the height of the screw rod and black
The centre-height of plate ontology is consistent.
As advanced optimizing for the technical program, a kind of push-and-pull blackboard of the utility model, first idler wheel is no less than
Two groups, second idler wheel is no less than one group.
As advanced optimizing for the technical program, a kind of push-and-pull blackboard of the utility model, the motor is consolidated by bolt
On tripod, the tripod is mounted by means of bolts on blackboard body for Dingan County.
The prior art is compared, the beneficial effects of the utility model are: a kind of push-and-pull blackboard of the utility model, upper holder and
Lower fixed frame passes through expansion bolt fixed on wall, and the first idler wheel is located in the first guide groove, and the second idler wheel is located at second
In guide groove, so that blackboard body is vertically arranged between upper holder and lower fixed frame, and can control activity, it is black by making
Plate ontology is arranged through through-hole, and screw rod is made to be threadedly connected to movable stand by threaded hole, and using screw-driven principle, motor is driven
Dynamic screw rod rotation, so that movable stand can be moved left and right along screw rod direction, to make the bristle and blackboard on blackboard eraser
The writing in blackboard body is wiped in opposite sliding, realization between ontology, and motor is clockwise and anticlockwise motor, can make blackboard eraser
It moves back and forth, erasing is more thorough, does not need to wipe manually, reduces labor intensity, saves the time, and then improve efficiency of teaching
Height, it is convenient for disassembly and assembly, there is very high practicability, greatly improve a kind of use functionality of push-and-pull blackboard, guarantee its use
Effect and utilization benefit are suitble to be widely popularized.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for pushing and pulling blackboard of the utility model；
Fig. 2 is a kind of upper holder structural schematic diagram for pushing and pulling blackboard of the utility model；
Fig. 3 is a kind of lower fixed frame structural schematic diagram for pushing and pulling blackboard of the utility model；
Fig. 4 is a kind of movable stand structural schematic diagram for pushing and pulling blackboard of the utility model；
Fig. 5 is a kind of blackboard body positive structure schematic for pushing and pulling blackboard of the utility model；
Fig. 6 is a kind of blackboard body structure schematic diagram for pushing and pulling blackboard of the utility model.
In figure: 1 upper holder, 2 lower fixed frames, 3 blackboard bodies, 4 first idler wheels, 5 second idler wheels, 6 first guide grooves, 7
Second guide groove, 8 movable stands, 9 through-holes, 10 blackboard erasers, 11 threaded holes, 12 motors, 13 screw rods, 14 bearing blocks, 15 sliding slots.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-6, the utility model provides a kind of technical solution: a kind of push-and-pull blackboard, including upper holder 1, under
Fixed frame 2, blackboard body 3 and movable stand 8, fixed frame 1 and lower fixed frame 2 are L-type, and fixed frame 1 is arranged
In the surface of lower fixed frame 2, the bottom of fixed frame 1 offers the first guide groove 6, the top of the lower fixed frame 2
The second guide groove 7 is offered, the movable stand 8 and blackboard body 3 are vertically arranged, and the top of the blackboard body 3 is connected with
The first idler wheel of several groups 4, the bottom of the blackboard body 3 are connected with the second idler wheel of several groups 5, and first idler wheel 4 is located at the
In one guide groove 6, second idler wheel 5 is located in the second guide groove 7, and through-hole 9, the blackboard are offered in the movable stand 8
Ontology 3 is arranged through through-hole 9, and the top and bottom of the through-hole 9 offer and the corresponding sliding slot 15 of blackboard body 3, institute
It states in movable stand 8 and is fixedly connected with longitudinally disposed blackboard eraser 10, the blackboard eraser 10 on the positive side of blackboard body 3
On bristle and blackboard body 3 front face, the movable stand 8 offers screw thread on the positive side of blackboard body 3
Hole 11, the left side of the blackboard body 3 are fixedly installed with motor 12, and the output end of the motor 12 is fixedly connected with lateral setting
Screw rod 13, threaded hole 11 is run through in one end of the screw rod 13, and end is connected to bearing block 14, and the setting of bearing block 14 exists
The right side of blackboard body 3.
Specifically, fixed frame 1, lower fixed frame 2 are fixed on wall by expansion bolt, it is easy for installation.
Specifically, first guide groove 6 and the second guide groove 7 are V-groove, first guide groove 6 and second is led
It is not less than 10mm to the depth of slot 7, there is limit, guiding role well.
Specifically, the height of the screw rod 13 is consistent with the centre-height of blackboard body 3.
Specifically, first idler wheel 4 is no less than two groups, second idler wheel 5 is no less than one group.
Specifically, the motor 12 is mounted by means of bolts on tripod, the tripod is bolted peace
Mounted in blackboard body 3, motor 12 is clockwise and anticlockwise motor, model 5M60GN-C.
Working principle: a kind of push-and-pull blackboard of the utility model, in use, upper holder 1 and lower fixed frame 2 are by swollen
Swollen bolt is fixed on wall, and the first idler wheel 4 is located in the first guide groove 6, and the second idler wheel 5 is located in the second guide groove 7, makes
It obtains blackboard body 3 to be vertically arranged between upper holder 1 and lower fixed frame 2, and activity can be controlled, by making blackboard body 3
It is arranged through through-hole 9, and screw rod 13 is made to be threadedly connected to movable stand 8 by threaded hole 11, utilizes screw-driven principle, motor 12
Screw rod 13 is driven to rotate, so that movable stand 8 can be moved left and right along 13 direction of screw rod, to make on blackboard eraser 10
The writing in blackboard body 3 is wiped in opposite sliding, realization between bristle and blackboard body 3, and motor 12 is positive and negative rotation electricity
Machine can be such that blackboard eraser 10 moves back and forth, and erasing is more thorough, not need to wipe manually, reduce labor intensity, save the time,
And then efficiency of teaching height is improved, and it is convenient for disassembly and assembly, it is suitble to promote the use of.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of push-and-pull blackboard, including upper holder (1), lower fixed frame (2), blackboard body (3) and movable stand (8), feature
Be: fixed frame (1) and lower fixed frame (2) are L-type, fixed frame (1) setting lower fixed frame (2) just
The bottom of top, fixed frame (1) offers the first guide groove (6), offers second at the top of the lower fixed frame (2)
Guide groove (7), the movable stand (8) and blackboard body (3) are vertically arranged, the blackboard body (3) if at the top of be connected with
Dry group the first idler wheel (4), the bottom of the blackboard body (3) is connected with the second idler wheel of several groups (5), first idler wheel (4)
In the first guide groove (6), second idler wheel (5) is located in the second guide groove (7), offers in the movable stand (8)
Through-hole (9), the blackboard body (3) are arranged through through-hole (9), and the top and bottom of the through-hole (9) offer and blackboard
Ontology (3) corresponding sliding slot (15) is fixedly connected in the movable stand (8) on blackboard body (3) positive side
Longitudinally disposed blackboard eraser (10), the front face of bristle and blackboard body (3) on the blackboard eraser (10), the movable stand
(8) it is offered threaded hole (11) on blackboard body (3) positive side, the left side of the blackboard body (3) is fixedly mounted
Having motor (12), the output end of the motor (12) is fixedly connected with the screw rod (13) being laterally arranged, and the one of the screw rod (13)
Threaded hole (11) are run through at end, and end is connected to bearing block (14), the right side of bearing block (14) setting in blackboard body (3)
Side.
2. a kind of push-and-pull blackboard according to claim 1, it is characterised in that: fixed frame (1), lower fixed frame (2)
It is fixed on wall by expansion bolt.
3. a kind of push-and-pull blackboard according to claim 1, it is characterised in that: first guide groove (6) and the second guiding
Slot (7) is V-groove, and the depth of first guide groove (6) and the second guide groove (7) is not less than 10mm.
4. a kind of push-and-pull blackboard according to claim 1, it is characterised in that: the height and blackboard body of the screw rod (13)
(3) centre-height is consistent.
5. a kind of push-and-pull blackboard according to claim 1, it is characterised in that: first idler wheel (4) is no less than two groups, institute
It states the second idler wheel (5) and is no less than one group.
6. a kind of push-and-pull blackboard according to claim 1, it is characterised in that: the motor (12) is bolted installation
On tripod, the tripod is mounted by means of bolts on blackboard body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821272657.3U CN208730649U (en) | 2018-08-08 | 2018-08-08 | A kind of push-and-pull blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821272657.3U CN208730649U (en) | 2018-08-08 | 2018-08-08 | A kind of push-and-pull blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208730649U true CN208730649U (en) | 2019-04-12 |
Family
ID=66028584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821272657.3U Active CN208730649U (en) | 2018-08-08 | 2018-08-08 | A kind of push-and-pull blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208730649U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113129702A (en) * | 2021-04-23 | 2021-07-16 | 王小彩 | English show board with regulatory function |
-
2018
- 2018-08-08 CN CN201821272657.3U patent/CN208730649U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113129702A (en) * | 2021-04-23 | 2021-07-16 | 王小彩 | English show board with regulatory function |
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