CN114347700A - From plug-type blackboard about taking blackboard eraser - Google Patents
From plug-type blackboard about taking blackboard eraser Download PDFInfo
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- CN114347700A CN114347700A CN202210140351.7A CN202210140351A CN114347700A CN 114347700 A CN114347700 A CN 114347700A CN 202210140351 A CN202210140351 A CN 202210140351A CN 114347700 A CN114347700 A CN 114347700A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention relates to a blackboard, in particular to an up-down push-pull blackboard with a blackboard eraser. The invention provides a vertical push-pull blackboard with a blackboard eraser, which can be replaced. An up-down push-pull blackboard with a blackboard eraser, comprising: the left side and the right side of the supporting plate are both provided with connecting plates; the front side of the supporting plate is provided with a writing board; the middle parts in the two connecting plates are respectively provided with a connecting frame, and the two connecting frames are connected with the writing board; the protective shell is arranged between the tops of the two connecting plates. According to the invention, the motor is used as a driving force, so that the sliding block drives the transmission rod to move upwards, the transmission rod drives the fixing block and the cleaning wiper to move upwards, and the cleaning wiper wipes the text on the writing board, so that the manual wiping work can be reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to a blackboard, in particular to an up-down push-pull blackboard with a blackboard eraser.
Background
The blackboard is that mr is used for the teaching, writes out the text on the blackboard, explains the text again, and the student of being convenient for understands, because the text on the blackboard need clean the text on the blackboard when need not explaining, and student or mr clean the text on the blackboard, and natural wind-force blows off the chalk dust easily in the air, and people inhale more chalk dust and arouse lung's infection easily.
Patent application CN209274222U, the publication date is 20190820, discloses a from blackboard for teaching of taking blackboard wiping arrangement, includes clipboard, last frame, lower frame, left frame, right frame, drawer type collection ash box and blackboard wiping arrangement, it establishes to go up frame, lower frame, left frame and right frame branch around the clipboard, drawer type collection ash box slides and sets up on lower frame upper portion, and one end wears to establish in right frame or the frame on the left to inconsistent with right frame or the frame on the left inner wall, the other end stretches out left frame or right frame, and inconsistent with left frame or the frame on the right outer wall, blackboard wiping arrangement sets up openly at the clipboard to closely laminate with the clipboard openly looks elasticity, just blackboard wiping arrangement one end with go up frame sliding connection, the other end and lower frame sliding connection. Although the blackboard eraser can erase the blackboard text and has a good erasing effect, the blackboard eraser cannot be replaced, and the same blackboard eraser is used for a long time, so that a lot of dust is easily accumulated, and the blackboard eraser cannot erase the blackboard cleanly.
Therefore, in view of the above, a vertical push-pull type blackboard with a blackboard eraser is provided, which can be replaced.
Disclosure of Invention
In order to overcome the defect that the blackboard eraser cannot be replaced, and the same blackboard eraser is used for a long time, so that much dust is easily accumulated, and the blackboard eraser cannot erase a blackboard cleanly, the technical problem to be solved is as follows: provides a vertical push-pull blackboard with a blackboard eraser, which can replace the blackboard eraser.
Compared with the prior art, the invention is technically characterized in that: an up-down push-pull blackboard with a blackboard eraser, comprising:
the left side and the right side of the supporting plate are both provided with connecting plates;
the front side of the supporting plate is provided with a writing board;
the middle parts in the two connecting plates are respectively provided with a connecting frame, and the two connecting frames are connected with the writing board;
the protective shell is arranged between the tops of the two connecting plates;
the left side and the right side of the rear side of the protective shell are respectively provided with a fixed plate, and the two fixed plates are connected with the connecting plate at the same side;
a slide rail is arranged between the inner front sides of the two connecting plates;
the left side and the right side of the inner lower part of the sliding rail are both provided with sliding blocks in a sliding manner;
the transmission rod is rotatably arranged between the two sliding blocks;
the outer side of the transmission rod is uniformly provided with four fixed blocks at intervals;
the cleaning wiper is arranged on the outer sides of the four fixed blocks;
the bottom of the supporting plate is provided with a lifting mechanism for automatically driving the cleaning wiper to move, and the lifting mechanism is matched with the two sliding blocks;
the lower part of the front side of the supporting plate is provided with a turnover mechanism for replacing the cleaning wiper, and the turnover mechanism is matched with the transmission rod.
In one embodiment, the lifting mechanism comprises:
the screw rods are rotatably arranged on the left side and the right side inside the sliding rail, and the two sliding blocks are in threaded fit with the screw rods on the same side;
the motor is arranged at the lower part of the inner rear side of the supporting plate;
the lower parts of the two screws are respectively provided with a first belt pulley, and a first belt pulley is arranged on the output shaft of the motor;
a first flat belt is wound among the three first belt pulleys.
In one embodiment, the canting mechanism comprises:
the left side and the right side of the lower part of the front side of the supporting plate are both provided with first supporting blocks;
the ratchet bars are arranged on the front sides of the two first supporting blocks;
ratchet gears are arranged on the left side and the right side of the transmission rod, and the two ratchet gears are meshed with the ratchet bars on the same side.
In one embodiment, the device further comprises a clamping mechanism, and the clamping mechanism comprises:
the front side and the rear side of the lower parts of the left side and the right side in the slide rail are respectively provided with a second supporting block;
the four second supporting blocks are provided with sliding rods in a sliding manner;
the inner ends of the four sliding rods are provided with clamping rods;
the first return springs are arranged between the four sliding rods and the second supporting block on the same side;
the front side and the rear side of the inner side surfaces of the two sliding blocks are respectively provided with a third supporting block;
the wedge-shaped plates are arranged on the four third supporting blocks in a sliding mode, the four wedge-shaped plates are matched with the transmission rod in a sliding mode, and the four clamping rods are matched with the wedge-shaped plates on the same side in a sliding mode;
and the return springs are arranged between the four wedge-shaped plates and the third supporting block at the same side.
In one embodiment, the device further comprises a dust prevention mechanism, and the dust prevention mechanism comprises:
the middle parts of the outer sides of the two connecting plates are respectively provided with a first supporting rod;
the two first supporting rods are rotatably provided with rotating rods;
the two rotating rods are provided with two rotating plates which are in contact fit with each other;
the middle parts of the two protection plates are respectively provided with a transparent plate;
the middle part of the front side of the protection plate on the right side is provided with a handle, and the middle part of the front side of the protection plate on the left side is rotatably provided with a handle;
the clamping block is arranged on the handle on the left side, and the clamping block is in running fit with the protection plate on the right side.
In one embodiment, the device further comprises a rotating mechanism, wherein the rotating mechanism comprises:
the bottom parts of the two connecting plates are provided with fixing rods;
the rotating shafts are rotatably arranged on the two fixing rods;
the gear discs are arranged at the bottoms of the two rotating rods;
the two rotating shafts are both provided with inclined blocks in a sliding manner, and the two inclined blocks are in contact fit with the gear disc at the same side;
the second reset springs are arranged between the two inclined blocks and the rotating shaft on the same side;
the middle of the bottom of the supporting plate is rotatably provided with a second supporting rod;
the second support rod and the output shaft of the motor are respectively provided with a straight gear, and the two straight gears are meshed;
the two rotating shafts are respectively provided with a second belt pulley, the second supporting rod is provided with a second belt pulley, and the output shaft of the motor is provided with a second belt pulley;
and a second flat belt is wound between a second belt pulley on the right rotating shaft and a second belt pulley on the motor output shaft, and a second flat belt is wound between a second belt pulley on the second supporting rod and a second belt pulley on the left rotating shaft.
In one embodiment, the cleaning device further comprises a cleaning mechanism, and the cleaning mechanism comprises:
the left side and the right side of the bottom of the supporting plate are respectively provided with a supporting frame;
a limiting block is arranged between the two supporting frames;
the front side of the limiting block is movably provided with a placing frame which is positioned below the cleaning wiper;
the pull rod is arranged on the front side of the placing frame.
In one embodiment, through holes matched with the bolts are formed in the two fixing plates.
Compared with the prior art, the invention has the following advantages: 1. according to the invention, the motor is used as a driving force, so that the sliding block drives the transmission rod to move upwards, the transmission rod drives the fixing block and the cleaning wiper to move upwards, and the cleaning wiper wipes the text on the writing board, so that the manual wiping work can be reduced, and the working efficiency is improved;
2. the transmission rod is driven to rotate through the matching of the ratchet wheel and the ratchet bar, the transmission rod drives the fixing block and the cleaning eraser to rotate, and therefore the cleaning eraser is replaced, and the cleaning eraser can clean the text on the writing board when the writing board is wiped next time;
3. under normal conditions, the guard plate blocks the writing board, so that when the text on the guard plate is wiped by the cleaning wiper, the chalk dust can be effectively prevented from being blown away by natural wind power.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic view of a first partial body structure according to the present invention.
FIG. 3 is a schematic view of a second partial body structure according to the present invention.
Fig. 4 is a perspective view of a third embodiment of the present invention.
Fig. 5 is a partial cross-sectional view of the present invention.
Fig. 6 is a schematic perspective view of the lifting mechanism of the present invention.
Fig. 7 is a partial cross-sectional view of the lift mechanism of the present invention.
Fig. 8 is a schematic perspective view of the turnover mechanism of the present invention.
Fig. 9 is a schematic perspective view of a part of the turnover mechanism of the present invention.
Fig. 10 is a schematic perspective view of the locking mechanism of the present invention.
Fig. 11 is a schematic perspective view of a part of the locking mechanism of the present invention.
Fig. 12 is an enlarged view of part a of the present invention.
Fig. 13 is a schematic perspective view of the dustproof mechanism of the present invention.
Fig. 14 is a partial sectional view of the dust-proof mechanism of the present invention.
Fig. 15 is a schematic perspective view of the rotating mechanism of the present invention.
Fig. 16 is a first partial cross-sectional view of the rotating mechanism of the present invention.
Fig. 17 is a second partial cross-sectional view of the rotating mechanism of the present invention.
Fig. 18 is a schematic perspective view of a first cleaning mechanism of the present invention.
Fig. 19 is a schematic perspective view of a second cleaning mechanism of the present invention.
Number designation in the figures: 1. a support plate, 2, a connection plate, 3, a writing board, 4, a connection frame, 5, a protective shell, 6, a fixing plate, 7, a cleaning wiper, 8, a fixing block, 9, a transmission rod, 10, a sliding block, 11, a sliding rail, 12, a lifting mechanism, 120, a screw rod, 121, a motor, 122, a first belt pulley, 123, a first flat belt, 13, a turnover mechanism, 130, a ratchet gear, 131, a first support block, 132, a ratchet rack, 14, a clamping mechanism, 140, a second support block, 141, a sliding rod, 142, a first return spring, 143, a clamping rod, 144, a third support block, 145, a wedge-shaped plate, 146, a return spring, 15, a dustproof mechanism, 150, a first support rod, 151, a rotating rod, 152, a protective plate, 153, a transparent plate, 154, a handle, 155, a clamping block, 16, a rotating mechanism, 160, a fixing rod, 161, a rotating shaft, 162, a gear plate, 163, a slant block, 164, and a second return spring, 165. a second support rod 166, a spur gear 167, a second belt pulley 168, a second flat belt 17, a cleaning mechanism 170, a support frame 171, a limit block 172, a placing frame 173 and a pull rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A vertical push-pull blackboard with a blackboard eraser, as shown in figures 1-9, comprises a support plate 1, connecting plates 2, writing boards 3, connecting frames 4, protective shells 5, fixing plates 6, a cleaning eraser 7, fixing blocks 8, a transmission rod 9, a slider 10, a slide rail 11, a lifting mechanism 12 and a turnover mechanism 13, wherein the connecting plates 2 are arranged on the left side and the right side of the support plate 1, the writing boards 3 are arranged on the front side of the support plate 1, the writing boards 3 are used for writing texts, the connecting frames 4 are arranged in the middle parts of the two connecting plates 2, the two connecting frames 4 are connected with the writing boards 3, the protective shell 5 is arranged between the tops of the two connecting plates 2, the protective shells 5 are used for shielding dust, the fixing plates 6 are arranged on the left side and the right side of the rear side of the protective shell 5, the two fixing plates 6 are connected with the connecting plates 2 on the same side, through holes matched with bolts are arranged on the two fixing plates 6, so that a teacher can conveniently install the fixing plates 6 at an appointed position in a bolt connection mode, convenient to detach, be equipped with slide rail 11 in two connecting plates 2 between the front side, the equal slidingtype in lower part left and right sides of slide rail 11 is equipped with slider 10, the rotary type is equipped with transfer line 9 between two sliders 10, the even interval in transfer line 9 outside is equipped with four fixed blocks 8, four fixed block 8 outsides all are equipped with clean 7 of wiping, clean 7 of wiping is used for wiping the text on clipboard 3, clean 7 of wiping is the sponge material, the better text on clipboard 3 is wiped, 1 bottom in backup pad is equipped with elevating system 12, elevating system 12 and two slider 10 cooperations, it removes to be used for automatic drive clean 7 of wiping, thereby clean the text on the clipboard 3, 1 front side lower part in backup pad is equipped with tilting mechanism 13, tilting mechanism 13 cooperates with transfer line 9, be used for changing clean 7 of wiping.
As shown in fig. 2, 6 and 7, the lifting mechanism 12 includes a screw 120, a motor 121, a first belt pulley 122 and a first flat belt 123, the screw 120 is rotatably disposed on both sides of the inside of the slide rail 11, the two sliders 10 are screw-engaged with the screw 120 on the same side, the motor 121 is mounted on the lower portion of the inner rear side of the support plate 1, the first belt pulley 122 is disposed on the lower portion of each of the two screws 120, the first belt pulley 122 is disposed on the output shaft of the motor 121, and the first flat belt 123 is wound between the three first belt pulleys 122.
As shown in fig. 2, 8 and 9, the turnover mechanism 13 includes a ratchet gear 130, a first support block 131 and a ratchet bar 132, the first support block 131 is disposed on both sides of the lower portion of the front side of the support plate 1, the ratchet bars 132 are slidably disposed on both sides of the front side of the two first support blocks 131, a return spring is disposed between the ratchet bar 132 and the first support block 131, the ratchet gear 130 is disposed on both sides of the drive rod 9, and the two ratchet gears 130 are engaged with the ratchet bar 132 on the same side.
When the up-down push-pull blackboard with the blackboard eraser is needed, firstly, a teacher firstly installs the blackboard on a designated position through the fixing plate 6 in a bolt connection mode, then the teacher can write characters on the writing board 3, then the teacher carries out teaching, after the teaching work of the teacher is completed, the motor 121 can be started, the output shaft of the motor 121 is controlled to rotate forwardly, the output shaft of the motor 121 drives the middle first belt pulley 122 to rotate, under the matching of the first belt pulley 122 and the first flat belt 123, the first belt pulley 122 drives the screw rod 120 to rotate, so that the slider 10 moves upwards along the slide rail 11, the slider 10 drives the transmission rod 9 to move upwards, the transmission rod 9 drives the fixing block 8 and the cleaning eraser 7 to move upwards, the cleaning eraser 7 moves upwards to be in uniform contact with the writing board 3, therefore, the cleaning eraser 7 wipes the texts on the writing board 3, and meanwhile, the transmission rod 9 drives the ratchet gear 130 to move upwards, the ratchet gear 130 contacts with the ratchet bar 132, the ratchet bar 132 moves backwards, the ratchet gear 130 slides over the ratchet bar 132, when the cleaning wiper 7 moves upwards to the upper side of the writing board 3, then the output shaft of the motor 121 is controlled to rotate reversely, the output shaft of the motor 121 drives the first belt pulley 122 to rotate reversely, under the cooperation of the first belt pulley 122 and the first flat belt 123, the first belt pulley 122 drives the screw rod 120 to rotate reversely, then the slider 10 moves downwards along the slide rail 11, the slider 10 drives the transmission rod 9 to move downwards, the transmission rod 9 drives the fixed block 8 and the cleaning wiper 7 to move downwards, the cleaning wiper 7 moves downwards to wipe the text on the writing board 3 again, meanwhile, the transmission rod 9 drives the ratchet gear 130 to move downwards, the ratchet gear 130 moves downwards to contact with the ratchet bar 132, the ratchet gear 130 rotates, the ratchet gear 130 drives the transmission rod 9 to rotate, the transmission rod 9 drives the fixed block 8 and the cleaning wiper 7 to rotate a quarter, and then will clean 7 and change for clean 7 when next wiping clipboard 3, can clean the text on clipboard 3, mr closes motor 121 after that, and finally alright realize carrying out the automation to the text of writing on clipboard 3 and clean, reduce manual operation, can reduce the frequency that mr absorbs the chalk dust simultaneously.
Example 2
On the basis of embodiment 1, as shown in fig. 2, 10, 11 and 12, the slide rail device further includes a locking mechanism 14, the locking mechanism 14 includes second supporting blocks 140, sliding rods 141, first return springs 142, locking rods 143, third supporting blocks 144, wedge-shaped plates 145 and return springs 146, the second supporting blocks 140 are respectively disposed on the front and rear sides of the lower portions of the left and right sides in the slide rail 11, the sliding rods 141 are respectively disposed on the four second supporting blocks 140 in a sliding manner, the locking rods 143 are respectively disposed at the inner ends of the four sliding rods 141, the first return springs 142 are respectively disposed between the four sliding rods 141 and the second supporting blocks 140 on the same side, the third supporting blocks 144 are respectively disposed on the front and rear sides of the inner side surfaces of the two slide blocks 10, the wedge-shaped plates 145 are respectively disposed on the four third supporting blocks 144, the four wedge-shaped plates 145 are respectively slidably engaged with the driving rod 9, the return springs 146 are respectively disposed between the four wedge-shaped plates 145 and the third supporting blocks 144 on the same side, the four clamping rods 143 are in sliding fit with the wedge-shaped plates 145 on the same side.
Under a normal state, the wedge-shaped plate 145 clamps the transmission rod 9, so that the transmission rod 9 cannot rotate freely, when the slider 10 drives the transmission rod 9 to move upwards, the slider 10 drives the third supporting block 144 and the wedge-shaped plate 145 to move upwards, the wedge-shaped plate 145 moves upwards to be in contact with the clamping rod 143 and extrude the clamping rod 143, the clamping rod 143 drives the sliding rod 141 to move outwards, the first return spring 142 is compressed, the slider 10 continues to drive the third supporting block 144 and the wedge-shaped plate 145 to move upwards, the wedge-shaped plate 145 moves to be no longer in contact with the clamping rod 143, under the reset action of the first return spring 142, the sliding rod 141 drives the clamping rod 143 to move inwards to reset, the transmission rod 9 drives the ratchet gear 130 to move upwards, and the ratchet gear 130 passes over the ratchet bar 132; when the slide block 10 drives the transmission rod 9 to move downwards, the slide block 10 drives the third supporting block 144 and the wedge-shaped plate 145 to move downwards, the wedge-shaped plate 145 moves to be in contact with the clamping rod 143, the clamping rod 143 presses the wedge-shaped plate 145, the wedge-shaped plate 145 moves outwards, the return spring 146 is compressed, the wedge-shaped plate 145 is separated from the transmission rod 9, the transmission rod 9 drives the ratchet gear 130 to move downwards, the ratchet gear 130 moves downwards to be in contact with the ratchet bar 132, the ratchet gear 130 rotates, the ratchet gear 130 drives the transmission rod 9 to rotate, the transmission rod 9 drives the fixed block 8 and the cleaning eraser 7 to rotate by one fourth, the cleaning eraser 7 is replaced, the slide block 10 continues to drive the third supporting block 144 and the wedge-shaped plate 145 to move downwards, the wedge-shaped plate 145 moves to be separated from the contact with the clamping rod 143, and the wedge-shaped plate 145 moves inwards to be reset under the reset action of the return spring 146, wedge-shaped plate 145 clamps drive rod 9 so that drive rod 9 cannot rotate at will, and finally, drive rod 9 can be clamped to prevent drive rod 9 from rotating at will.
As shown in fig. 1, 13 and 14, the multifunctional writing board further comprises a dustproof mechanism 15, the dustproof mechanism 15 comprises a first support rod 150, a rotating rod 151, two protection plates 152, a transparent plate 153, a handle 154 and a clamping block 155, the first support rod 150 is arranged in the middle of the outer sides of the two connecting plates 2, the rotating rod 151 is arranged on each of the two first support rods 150 in a rotating mode, the protection plates 152 are arranged on each of the two rotating rods 151, the two protection plates 152 are in contact fit, the two protection plates 152 are located on the outer sides of the writing board 3, the transparent plate 153 is arranged in the middle of each of the two protection plates 152, so that a teacher can see whether the cleaning wiper 7 cleans texts on the writing board 3, the handle 154 is arranged in the middle of the front side of the protection plate 152 on the right side, the handle 154 is arranged in the middle of the front side of the protection plate 152 on the left side in a rotating mode, anti-slip gloves are arranged on the outer sides of the handles 154, and used for the teacher to work on the handles 154, a fixture block 155 is arranged on the handle 154 on the left side, and the fixture block 155 is in rotating fit with the protection plate 152 on the right side.
In a normal state, the protection plate 152 blocks the writing board 3, the fixture block 155 clamps the protection plate 152 on the right side, so that the protection plate 152 is not easy to rotate and open at will, when the cleaning eraser 7 wipes the text on the writing board 3, the chalk dust is easily blown away by natural wind force, so that the chalk dust is scattered in the air, and people easily inhale more chalk dust to cause lung infection, therefore, when the protection plate 152 blocks the writing board 3, a teacher can start the motor 121 to control the output shaft of the motor 121 to rotate forwardly, the output shaft of the motor 121 drives the first belt pulley 122 in the middle to rotate, under the matching of the first belt pulley 122 and the first flat belt 123, the first belt pulley 122 drives the screw rod 120 to rotate, so that the sliding block 10 moves upwards along the sliding rail 11, the sliding block 10 drives the transmission rod 9 to move upwards, the transmission rod 9 drives the fixing block 8 and the cleaning eraser 7 to move upwards, the cleaning wiper 7 moves upwards to be in even contact with the writing board 3, so that the cleaning wiper 7 wipes the text on the writing board 3, the protective plate 152 can prevent the chalk dust from floating, people can see whether the cleaning wiper 7 wipes the text on the writing board 3 completely through the transparent plate 153, after the cleaning wiper 7 wipes the text on the writing board 3 completely, a teacher can rotate the left handle 154 to drive the clamping block 155 to rotate, the clamping block 155 is separated from the right protective plate 152 to be in contact with the right protective plate 152, the teacher can pull the handle 154 to drive the protective plate 152 to be opened through the rotation of the rotation rod 151, then the writing board 3 can be used, when the use is not needed, the teacher can push the handle 154 to drive the protective plate 152 to be closed through the reverse rotation of the rotation rod 151, then the left handle 154 is reversely rotated to drive the clamping block 155 to rotate, the clamping block 155 clamps the protective plate 152, then the teacher closes the motor 121, finally, the writing board 3 can be blocked when the cleaning wiper 7 wipes the writing board 3, and the chalk dust is prevented from being blown away by natural wind power.
As shown in fig. 1, 2, 15, 16 and 17, the present invention further comprises a rotating mechanism 16, the rotating mechanism 16 comprises a fixing rod 160, a rotating shaft 161, a gear disc 162, an oblique block 163, a second return spring 164, a second support rod 165, a spur gear 166, a second pulley 167 and a second flat belt 168, the fixing rod 160 is disposed at the bottom of each of the two connecting plates 2, the rotating shaft 161 is rotatably disposed on each of the two fixing rods 160, the gear disc 162 is disposed at the bottom of each of the two rotating rods 151, the oblique blocks 163 are slidably disposed at the upper portions of the two rotating shafts 161, the two oblique blocks 163 are in contact fit with the gear disc 162 on the same side, the second return spring 164 is disposed between each of the two oblique blocks 163 and the rotating shaft 161 on the same side, the second support rod 165 is rotatably disposed at the middle of the bottom of the support plate 1, the spur gear 166 is disposed on each of the second support rod 165 and the output shaft of the motor 121, the two spur gears 166 are engaged, the second pulley 167 is disposed at the lower portions of the two rotating shafts 161, a second belt pulley 167 is disposed on the second support rod 165, a second belt pulley 167 is disposed on the output shaft of the motor 121, a second flat belt 168 is wound between the second belt pulley 167 on the right rotary shaft 161 and the second belt pulley 167 on the output shaft of the motor 121, and a second flat belt 168 is wound between the second belt pulley 167 on the second support rod 165 and the second belt pulley 167 on the left rotary shaft 161.
When the protection plate 152 needs to be automatically driven to rotate and open, a teacher starts the motor 121 to control the forward rotation of the output shaft of the motor 121, the output shaft of the motor 121 drives the rear-side straight gear 166 to rotate, then the front-side straight gear 166 drives the second support rod 165 to rotate, the second support rod 165 and the output shaft of the motor 121 simultaneously drive the second belt pulley 167 to rotate, under the matching of the second belt pulley 167 and the second flat belt 168, the second belt pulley 167 drives the rotating shaft 161 to rotate, the rotating shaft 161 drives the gear disc 162 to rotate, the gear disc 162 rotates to be in contact with the inclined block 163, the inclined block 163 moves inwards, the second reset spring 164 is compressed, the gear disc 162 drives the rotating rod 151 to rotate, the rotation rod 151 drives the protection plate 152 to rotate and open, the protection plate 152 cannot block the writing plate 3, the teacher can write a text on the writing plate 3, and the protection plate 152 rotates and opens, the teacher then turns off the motor 121, the rotation shaft 161 stops rotating, under the reset action of the second reset spring 164, the oblique block 163 moves outwards to contact with the teeth between the gear discs 162 and clamp the gear discs 162, so that the rotation shaft 151 cannot rotate freely, when the protection plate 152 needs to be turned off, the teacher starts the motor 121, controls the reverse rotation of the output shaft of the motor 121, the output shaft of the motor 121 drives the spur gear 166 on the rear side to rotate reversely, then drives the straight gear 166 on the front side to rotate reversely, the straight gear 166 on the front side drives the second support rod 165 to rotate reversely, the second support rod 165 and the output shaft of the motor 121 simultaneously drive the second belt wheel 167 to rotate reversely, under the cooperation of the second belt wheel 167 and the second flat belt 168, the second belt wheel drives the rotation shaft 167 to rotate reversely, the rotation shaft 161 drives the gear discs 162 to rotate reversely, the gear discs 162 extrude the oblique block 163, the oblique block 163 moves outwards, and the second reset spring 164 is compressed, gear disc 162 drives dwang 151 antiport, dwang 151 drives guard plate 152 antiport and resets, guard plate 152 just blocks clipboard 3, mr closes motor 121 after that, pivot 161 stall, under the reset action of second reset spring 164, sloping block 163 moves to the inboard and resets, sloping block 163 moves to between the tooth of gear disc 162, thereby carry out the chucking to gear disc 162, finally alright realize driving the automatic mesh of rotating and opening of guard plate 152.
As shown in fig. 1, fig. 2, fig. 18 and fig. 19, the cleaning device further comprises a cleaning mechanism 17, the cleaning mechanism 17 comprises a support frame 170, a limiting block 171, a placing frame 172 and a pull rod 173, the support frame 170 is arranged on the left side and the right side of the bottom of the support plate 1, the limiting block 171 is arranged between the two support frames 170, the placing frame 172 is movably arranged in the front of the limiting block 171, the placing frame 172 is used for containing clean water, the placing frame 172 is located below the cleaning wiper 7, and the pull rod 173 is arranged in the front of the placing frame 172.
As the writing board 3 is used for a long time, more stains are accumulated, if the cleaning wiper 7 only simply wipes the writing board 3, the stains are difficult to wipe clean, the cleaning eraser 7 can be dipped with water and contacts with the writing board 3 through the dipping of the cleaning eraser 7, so that the stains on the writing board 3 can be wiped clean, firstly, the teacher pulls the pull rod 173 to drive the placing frame 172 to move along the limiting block 171 to the front side, then the teacher injects clean water into the placing frame 172, then the pull rod 173 is pushed to drive the placing frame 172 to move and reset towards the rear side, the placing frame 172 is positioned below the cleaning eraser 7, the cleaning eraser 7 is contacted with clean water in the placing frame 172, the clean water can wet the cleaning eraser 7, when the cleaning wiper 7 moves upwards along the writing board 3, the dirt on the writing board 3 can be wiped, and finally the dirt on the writing board 3 can be wiped clean.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a from plug-type blackboard about taking blackboard eraser which characterized in that: the method comprises the following steps:
the left side and the right side of the supporting plate (1) are provided with connecting plates (2);
the writing board (3) is arranged on the front side of the supporting plate (1);
the connecting frames (4) are arranged in the middle of the two connecting plates (2), and the two connecting frames (4) are connected with the writing board (3);
a protective shell (5) is arranged between the tops of the two connecting plates (2);
the left side and the right side of the rear side of the protective shell (5) are respectively provided with a fixed plate (6), and the two fixed plates (6) are connected with the connecting plate (2) at the same side;
a slide rail (11) is arranged between the inner front sides of the two connecting plates (2);
the left side and the right side of the inner lower part of the sliding rail (11) are both provided with the sliding blocks (10) in a sliding way;
the transmission rod (9) is rotatably arranged between the two sliding blocks (10);
the outer side of the transmission rod (9) is uniformly provided with four fixed blocks (8) at intervals;
the cleaning wiper (7) is arranged on the outer sides of the four fixed blocks (8);
the lifting mechanism (12) is arranged at the bottom of the supporting plate (1) and used for automatically driving the cleaning wiper (7) to move, and the lifting mechanism (12) is matched with the two sliding blocks (10);
the lower part of the front side of the supporting plate (1) is provided with a turnover mechanism (13) used for replacing the cleaning wiper (7), and the turnover mechanism (13) is matched with the transmission rod (9).
2. The up-down push-pull blackboard of claim 1, wherein: the lifting mechanism (12) comprises:
the screw rods (120) are rotatably arranged on the left side and the right side inside the sliding rail (11), and the two sliding blocks (10) are in threaded fit with the screw rods (120) on the same side;
the motor (121) is arranged at the lower part of the inner rear side of the support plate (1);
the lower parts of the two screws (120) are respectively provided with a first belt pulley (122), and the output shaft of the motor (121) is provided with the first belt pulley (122);
the first flat belt (123) is wound among the three first pulleys (122).
3. The up-down push-pull blackboard of claim 2 with blackboard eraser, characterized in that: the turning mechanism (13) comprises:
the left side and the right side of the lower part of the front side of the support plate (1) are respectively provided with a first support block (131);
the ratchet bars (132) are arranged on the front sides of the two first supporting blocks (131);
ratchet gears (130) are arranged on the left side and the right side of the transmission rod (9), and the two ratchet gears (130) are meshed with ratchet bars (132) on the same side.
4. The up-down push-pull blackboard of claim 3, wherein: still include screens mechanism (14), screens mechanism (14) includes:
the front side and the rear side of the lower parts of the left side and the right side in the slide rail (11) are respectively provided with a second supporting block (140);
the sliding rods (141) are arranged on the four second supporting blocks (140) in a sliding manner;
the inner ends of the four sliding rods (141) are provided with clamping rods (143);
the first return springs (142) are arranged between the four sliding rods (141) and the second supporting block (140) on the same side;
the front side and the rear side of the inner side surfaces of the two sliders (10) are respectively provided with a third supporting block (144);
the wedge plates (145) are arranged on the four third supporting blocks (144) in a sliding mode, the four wedge plates (145) are in sliding fit with the transmission rod (9), and the four clamping rods (143) are in sliding fit with the wedge plates (145) on the same side;
and the return springs (146) are arranged between the four wedge-shaped plates (145) and the third supporting block (144) on the same side.
5. The up-down push-pull blackboard of claim 4, wherein: still including dustproof mechanism (15), dustproof mechanism (15) include:
the middle parts of the outer sides of the two connecting plates (2) are respectively provided with a first supporting rod (150);
the two first supporting rods (150) are respectively and rotatably provided with a rotating rod (151);
the two rotating rods (151) are respectively provided with a protection plate (152), and the two protection plates (152) are in contact fit;
the middle parts of the two protection plates (152) are respectively provided with a transparent plate (153);
the middle part of the front side of the right protection plate (152) is provided with the handle (154), and the middle part of the front side of the left protection plate (152) is rotatably provided with the handle (154);
the fixture block (155) is arranged on the handle (154) on the left side, and the fixture block (155) is in rotating fit with the protection plate (152) on the right side.
6. The up-down push-pull blackboard of claim 5 with blackboard eraser, wherein: still include slewing mechanism (16), slewing mechanism (16) includes:
the fixing rods (160) are arranged at the bottoms of the two connecting plates (2);
the rotating shafts (161) are rotatably arranged on the two fixing rods (160);
the gear discs (162) are arranged at the bottoms of the two rotating rods (151);
the two rotating shafts (161) are both provided with the inclined blocks (163) in a sliding manner, and the two inclined blocks (163) are in contact fit with the gear disc (162) on the same side;
the second reset springs (164) are arranged between the two inclined blocks (163) and the rotating shaft (161) on the same side;
the middle of the bottom of the supporting plate (1) is rotatably provided with a second supporting rod (165);
the second supporting rod (165) and the output shaft of the motor (121) are both provided with a straight gear (166), and the two straight gears (166) are meshed;
the two rotating shafts (161) are respectively provided with a second belt pulley (167), the second supporting rod (165) is provided with a second belt pulley (167), and the output shaft of the motor (121) is provided with a second belt pulley (167);
a second flat belt (168) is wound between a second belt pulley (167) on the right rotating shaft (161) and a second belt pulley (167) on the output shaft of the motor (121), and a second flat belt (168) is wound between the second belt pulley (167) on the second supporting rod (165) and the second belt pulley (167) on the left rotating shaft (161).
7. The up-down push-pull blackboard of claim 6, wherein: still including clean mechanism (17), clean mechanism (17) includes:
the left side and the right side of the bottom of the support plate (1) are provided with support frames (170);
a limiting block (171), wherein the limiting block (171) is arranged between the two supporting frames (170);
a placing frame (172), wherein the front side in the limiting block (171) is movably provided with the placing frame (172), and the placing frame (172) is positioned below the cleaning wiper (7);
a pull rod (173), and the front side of the placing frame (172) is provided with the pull rod (173).
8. The up-down push-pull blackboard of claim 1, wherein: through holes matched with the bolts are formed in the two fixing plates (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210140351.7A CN114347700B (en) | 2022-02-16 | 2022-02-16 | Up-down push-pull blackboard with blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210140351.7A CN114347700B (en) | 2022-02-16 | 2022-02-16 | Up-down push-pull blackboard with blackboard eraser |
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| Publication Number | Publication Date |
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| CN114347700A true CN114347700A (en) | 2022-04-15 |
| CN114347700B CN114347700B (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210140351.7A Active CN114347700B (en) | 2022-02-16 | 2022-02-16 | Up-down push-pull blackboard with blackboard eraser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851748A (en) * | 2022-05-11 | 2022-08-05 | 李东清 | Interconnection blackboard convenient to switch black and white screen |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209274222U (en) * | 2018-12-29 | 2019-08-20 | 黄郅睿 | A kind of blackboard for teaching of included blackboard-cleaning device |
| CN111775594A (en) * | 2020-06-11 | 2020-10-16 | 高秀侠 | Blackboard for teaching |
| CN211892636U (en) * | 2020-04-01 | 2020-11-10 | 江西中医药大学 | English learning teaching aid |
| CN211968991U (en) * | 2020-04-09 | 2020-11-20 | 兰州文理学院 | Interactive auxiliary device is used in college foreign language teaching |
| CN213322420U (en) * | 2020-08-19 | 2021-06-01 | 郑州大学第二附属医院 | Economics teaching board |
| CN112895767A (en) * | 2021-02-04 | 2021-06-04 | 深圳华文网教育科技有限公司 | Teaching blackboard capable of automatically stretching |
| CN113978163A (en) * | 2021-11-30 | 2022-01-28 | 安徽信息工程学院 | Intelligent blackboard convenient to use |
-
2022
- 2022-02-16 CN CN202210140351.7A patent/CN114347700B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209274222U (en) * | 2018-12-29 | 2019-08-20 | 黄郅睿 | A kind of blackboard for teaching of included blackboard-cleaning device |
| CN211892636U (en) * | 2020-04-01 | 2020-11-10 | 江西中医药大学 | English learning teaching aid |
| CN211968991U (en) * | 2020-04-09 | 2020-11-20 | 兰州文理学院 | Interactive auxiliary device is used in college foreign language teaching |
| CN111775594A (en) * | 2020-06-11 | 2020-10-16 | 高秀侠 | Blackboard for teaching |
| CN213322420U (en) * | 2020-08-19 | 2021-06-01 | 郑州大学第二附属医院 | Economics teaching board |
| CN112895767A (en) * | 2021-02-04 | 2021-06-04 | 深圳华文网教育科技有限公司 | Teaching blackboard capable of automatically stretching |
| CN113978163A (en) * | 2021-11-30 | 2022-01-28 | 安徽信息工程学院 | Intelligent blackboard convenient to use |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114851748A (en) * | 2022-05-11 | 2022-08-05 | 李东清 | Interconnection blackboard convenient to switch black and white screen |
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|---|---|
| CN114347700B (en) | 2023-08-11 |
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Effective date of registration: 20230717 Address after: No.2, Keji Road, high tech Industrial Development Zone, Ankang City, Shaanxi Province Applicant after: Shaanxi Puxin Lingdu Technology Service Co.,Ltd. Address before: 330199 room 716, 7 / F, building 2, 799 Honggutan Avenue, Honggutan new area, Nanchang City, Jiangxi Province Applicant before: Xiong Wanchuan |
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