CN108973464A - A kind of erasing apparatus of electronic whiteboard - Google Patents
A kind of erasing apparatus of electronic whiteboard Download PDFInfo
- Publication number
- CN108973464A CN108973464A CN201810735436.3A CN201810735436A CN108973464A CN 108973464 A CN108973464 A CN 108973464A CN 201810735436 A CN201810735436 A CN 201810735436A CN 108973464 A CN108973464 A CN 108973464A
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- Prior art keywords
- groove
- slot
- wall
- welded
- block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
Abstract
The invention discloses a kind of erasing apparatus of electronic whiteboard; including mounting base; the top side of the mounting base offers mounting groove; protective shell is movably installed in the mounting groove; the top of the protective shell extends to outside mounting groove; and the top side of protective shell offers installation groove; device noumenon is movably installed in the installation groove; the top of described device ontology extends to outside installation groove; sliding groove is offered on the side inner wall of the mounting groove; fixture block is slidably fitted in the sliding groove, one end of the fixture block extends in mounting groove.The configuration of the present invention is simple; it is easy to use; make it possible to that firm fixation is fixed to the protective shell in device noumenon; it effectively prevent device noumenon to fall; when misoperation causes the device noumenon on protective shell and protective shell to fall on the ground; it tries hard to keep shield with double buffering, effectively device noumenon is protected, meets the use demand of user.
Description
Technical field
The present invention relates to electronic whiteboard technology field more particularly to a kind of erasing apparatus of electronic whiteboard.
Background technique
It is that computer picture shows that such user can be very from blank behind that projector, which is placed on electronic whiteboard rear projection,
Naturally operation will not block projection ray and generate any shade.Back projection type electronic whiteboard system composition with just throw it is identical, it
Projector is integrated into, the placement space of PC is reserved, rear-projection whiteboard is divided into cabinet type electronic whiteboard and Xiang Qiang by installation again
Two kinds of formula electronic whiteboard: wall-inlaid type electronic whiteboard and cabinet type electronic whiteboard, electronic whiteboard using when need to use erasing apparatus.
In the prior art, application No. is 201720291242.X to disclose a kind of erasing apparatus of electronic whiteboard, including electricity
Sub- blank, CPU and blackboard eraser；The electronic whiteboard is equipped with pressure sensor；The pressure sensor is connect with CPU；The CPU
For wiping the information on electronic whiteboard；The blackboard eraser includes erasing face, has boss on the erasing face；The blackboard eraser is used for
When erasing is located at the information on electronic whiteboard, being contacted by boss with electronic whiteboard makes the pressure value of pressure sensor generate change
Change.The problem of the utility model solves in writing process, and palm can accidentally delete the information on electronic whiteboard, and structure letter
It is single, it is easy to accomplish, it also solves by calling electronics erasing rubber, push away dragging and touch to wipe using inconvenient ask
Topic, improves the comfort level in user's use process, provides a kind of erasing apparatus of new electronic whiteboard for user, but wipes
It is placed on electronic whiteboard except device is not easy to consolidate, causes user that can often touch off erasing apparatus to ground when in use
On, lead to the damage to erasing apparatus, is not easy to protect erasing apparatus, is not able to satisfy user's use demands.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of erasing of the electronic whiteboard proposed
Device.
To achieve the goals above, present invention employs following technical solutions:
A kind of erasing apparatus of electronic whiteboard, including mounting base, the top side of the mounting base offer mounting groove, the mounting groove
Inside be movably installed with protective shell, the top of the protective shell extends to outside mounting groove, and the top side of protective shell offer installation it is recessed
Slot is movably installed with device noumenon in the installation groove, and the top of described device ontology extends to outside installation groove, the peace
Sliding groove is offered on the side inner wall of tankage, fixture block is slidably fitted in the sliding groove, and one end of the fixture block extends to
In mounting groove, the protective shell offers card slot close to the side of fixture block, and fixture block is movably installed in the card slot and extends to peace
One end in tankage, the fixture block offer link slot far from the side of card slot, are welded on the two sides inner wall of the link slot
The same fixed block, the sliding groove far from pressure rod is welded on the side inner wall of mounting groove, prolong by one end of the pressure rod
It extends in link slot and is slidably mounted on fixed block, be arranged with the first spring on the pressure rod, the two of first spring
End is respectively welded at sliding groove far from the side inner wall of mounting groove and fixed block is far from the side of mounting groove, the installation
Slot is slidably fitted with locating piece far from sliding recess is offered on the side inner wall of sliding groove in the sliding recess, described fixed
One end of position block extends in mounting groove, and the protective shell offers locating slot, the locating slot close to the side of sliding recess
It is inside slidably fitted with locating piece and extends to one end in mounting groove, the bottom side of the locating piece is welded with limited block, the sliding
Limiting slot is offered on the bottom side inner wall of groove, and the same mounting rod, the limit are welded on the two sides inner wall of the limiting slot
The bottom end of position block extends in limiting slot, and is slidably mounted on mounting rod, and second spring is arranged on the mounting rod, described
The both ends of second spring are respectively welded at limiting slot far from the side inner wall of mounting groove and side of the limited block far from mounting groove
On, the top side of the mounting base offers L-type sliding slot, and the L-type sliding slot is connected with sliding recess, and sliding in L-type sliding slot
It is equipped with by motion block, it is described to be extended to outside L-type sliding slot by the top of motion block, and it is rotatably equipped with tilting bar by the bottom end of motion block,
The bottom end of the tilting bar is rotatably installed on the top side of locating piece.
Preferably, the bottom side corner location of described device ontology offers dashpot, is slidably installed in the dashpot
There is connecting rod, the bottom end of the connecting rod extends to outside dashpot, and is welded on the bottom side inner wall of installation groove, the connection
The two sides of bar are welded with position limiting slide block, and limiting groove, the limiting groove are offered on the two sides inner wall of the dashpot
Two sides inner wall on be welded with the same loop bar, the position limiting slide block is slidably mounted on loop bar, is arranged on the loop bar
Third spring, on the top side inner wall for the limiting groove that the both ends of third spring are respectively welded and on the top side of position limiting slide block.
Preferably, the top side of the connecting rod offers placement groove, is welded on the top side inner wall of the dashpot slotting
Bar, the bottom end of the inserted link, which extends to, places in groove, and is welded with the 4th spring, and the bottom end of the 4th spring, which is welded on, puts
It sets on the bottom side inner wall of groove.
Preferably, it is rolled on the inner wall for placing groove and ball is installed, ball is in rolling contact with inserted link.
Preferably, described to be welded with movable block by the two sides of motion block, movement is offered on the two sides inner wall of L-type sliding slot
Slot, movable block are slidably mounted in shifting chute.
Preferably, the top side of the locating piece is welded with link block, and the bottom end of tilting bar is rotatably connected on the top of link block
On side.
Preferably, the fixture block is arc-shaped interface close to the side of protective case, and card slot is arc groove.
Preferably, the two sides of the mounting base are welded with mounting plate, and mounting hole is offered on mounting plate, is set in mounting hole
There is fixing bolt, mounting base is fixedly mounted by fixing bolt.
Compared with prior art, the beneficial effects of the present invention are:
In the present invention, mounting base, mounting groove, protective shell, installation groove, device noumenon, sliding groove, fixture block, card slot, link slot,
Fixed block, pressure rod, the first spring, sliding recess, locating piece, locating slot, limited block, limiting slot, mounting rod, second spring,
L-type sliding slot is used cooperatively by motion block and tilting bar, so that can press by lever, drive by lever after device noumenon use
Tilting bar rotates in L-type sliding slot, when tilting bar rotates and locating piece is pushed, so that the one end of locating piece in mounting groove is whole
It slides into sliding recess, then protective shell is mounted in mounting groove, in installation process, push protective shell, protective shell presses
Fixture block, fixture block slide on pressure rod, make pressure rod opposite sliding on the fixed block on link slot, so that the first spring stress
Elastic deformation occurs then to put down by lever, so that pushing fixture block in card slot under the promotion of the first spring second
Under the elastic reaction of spring, one end of locating piece is pushed in locating slot, so that consolidating to the protective shell in device noumenon
It is fixed fixed；
Using dashpot, connecting rod, position limiting slide block, limiting groove, loop bar, third spring, place groove, inserted link and the 4th spring
Be used cooperatively, when misoperation causes the device noumenon on protective shell and protective shell to fall on the ground, due to inertia make
With, protective shell when being contacted with ground, slide in installation groove by device noumenon, so that connecting rod opposite sliding into dashpot,
So that connecting rod drives position limiting slide block to slide on the loop bar in limiting groove, so that position limiting slide block presses third spring, so that
Elastic deformation occurs for third spring, buffer protection power is generated, in the process, so that connecting rod is in the placement groove on inserted link
Sliding makes the 4th spring that elastic deformation occur so that pressing the 4th spring, buffer protection power is generated, so that protective shell and guarantor
Device noumenon on protective case has double buffering to try hard to keep shield when falling on the ground；
The configuration of the present invention is simple, it is easy to use, make it possible to that firm fixation is fixed to the protective shell in device noumenon, effectively
It prevents device noumenon from falling, when misoperation causes the device noumenon on protective shell and protective shell to fall on the ground, has
Double buffering is tried hard to keep shield, is effectively protected to device noumenon, is met the use demand of user.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the erasing apparatus of electronic whiteboard proposed by the present invention；
Fig. 2 is a kind of enlarged drawing of the part A of the erasing apparatus of electronic whiteboard proposed by the present invention；
Fig. 3 is a kind of enlarged drawing of the part B of the erasing apparatus of electronic whiteboard proposed by the present invention；
Fig. 4 is a kind of enlarged drawing of the C portion of the erasing apparatus of electronic whiteboard proposed by the present invention.
In figure: 1 mounting base, 2 mounting grooves, 3 protective shells, 4 installation grooves, 5 device noumenons, 6 sliding grooves, 7 fixture blocks, 8 card slots,
9 link slots, 10 fixed blocks, 11 pressure rods, 12 first springs, 13 sliding recess, 14 locating pieces, 15 locating slots, 16 limited blocks, 17
Motion block, 22 tilting bars, 23 dashpots, 24 connecting rods, 25 are pressed in limiting slot, 18 mounting rods, 19 second springs, 20 L-type sliding slots, 21
Groove, 30 inserted links, 31 the 4th springs are placed in position limiting slide block, 26 limiting grooves, 27 loop bars, 28 third springs, 29.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of erasing apparatus of electronic whiteboard, including mounting base 1, mounting base 1 can be solid by fixing bolt
On electronic whiteboard, the top side of mounting base 1 offers mounting groove 2 for Dingan County, and protective shell 3 is movably installed in mounting groove 2, protects
The top of shell 3 extends to outside mounting groove 2, and the top side of protective shell 3 offers installation groove 4, is movably installed in installation groove 4
Device noumenon 5, the top of device noumenon 5 extend to outside installation groove 4, offer sliding groove 6 on the side inner wall of mounting groove 2,
Fixture block 7 is slidably fitted in sliding groove 6, one end of fixture block 7 extends in mounting groove 2, and protective shell 3 is opened close to the side of fixture block 7
Equipped with card slot 8, one end that fixture block 7 extends in mounting groove 2 is movably installed in card slot 8, fixture block 7 is opened far from the side of card slot 8
Equipped with link slot 9, the same fixed block 10, side of the sliding groove 6 far from mounting groove 2 are welded on the two sides inner wall of link slot 9
Pressure rod 11 is welded on inner wall, one end of pressure rod 11 extends in link slot 9 and is slidably mounted on fixed block 10, presses
The first spring 12 is arranged on bar 11, the both ends of the first spring 12 are respectively welded in side of the sliding groove 6 far from mounting groove 2
On on wall and side of the fixed block 10 far from mounting groove 2, mounting groove 2 is recessed far from sliding is offered on the side inner wall of sliding groove 6
Slot 13 is slidably fitted with locating piece 14 in sliding recess 13, and one end of locating piece 14 extends in mounting groove 2, and protective shell 3 is close
The side of sliding recess 13 offers locating slot 15, and locating piece 14 is slidably fitted in locating slot 15 and is extended in mounting groove 2
One end, the bottom side of locating piece 14 are welded with limited block 16, offer limiting slot 17, limiting slot on the bottom side inner wall of sliding recess 13
The same mounting rod 18 is welded on 17 two sides inner wall, the bottom end of limited block 16 extends in limiting slot 17, and is slidably installed
On mounting rod 18, second spring 19 is arranged on mounting rod 18, it is remote that the both ends of second spring 19 are respectively welded at limiting slot 17
On on side inner wall from mounting groove 2 and side of the limited block 16 far from mounting groove 2, the top side of mounting base 1 offers L-type sliding slot
20, L-type sliding slot 20 is connected with sliding recess 13, and is slidably fitted in L-type sliding slot 20 by motion block 21, by the top of motion block 21
It extends to outside L-type sliding slot 20, and is rotatably equipped with tilting bar 22 by the bottom end of motion block 21, the bottom end of tilting bar 22 is rotatably installed in
On the top side of locating piece 14, mounting base 1, mounting groove 2, protective shell 3, installation groove 4, device noumenon 5, sliding groove 6, fixture block 7, card
Slot 8, link slot 9, fixed block 10, pressure rod 11, the first spring 12, sliding recess 13, locating piece 14, locating slot 15, limited block
16, limiting slot 17, mounting rod 18, second spring 19, L-type sliding slot 20, be used cooperatively by motion block 21 and tilting bar 22 so that working as
It after 5 use of device noumenon, can press by motion block 21, drive tilting bar 22 to rotate in L-type sliding slot 20 by motion block 21, tilting bar
When 22 rotation and locating piece 14 is pushed, so that locating piece 14 all slides into sliding recess 13 in one end in mounting groove 2, so
Protective shell 3 is mounted in mounting groove 2 afterwards, in installation process, pushes protective shell 3, protective shell 3 presses fixture block 7, and fixture block 7 is being pressed
It is slided in lever 11, makes the opposite sliding on the fixed block 10 on link slot 9 of pressure rod 11, so that 12 stress of the first spring occurs
Then elastic deformation is put down by motion block 21, so that pushing fixture block 7 in card slot 8 under the promotion of the first spring 12
Under the elastic reaction of two springs 19, one end of locating piece 14 is pushed in locating slot 15, so as to the protection in device noumenon 5
Fixation is fixed in shell 3, utilizes dashpot 23, connecting rod 24, position limiting slide block 25, limiting groove 26, loop bar 27, third spring
28, being used cooperatively for groove 29, inserted link 30 and the 4th spring 31 is placed, when misoperation causes on protective shell 3 and protective shell 3
Device noumenon 5 when falling on the ground, due to effect of inertia, when being contacted with ground, device noumenon 5 is in installation groove 4 for protective shell 3
Interior sliding, so that the opposite sliding into dashpot 23 of connecting rod 24, so that connecting rod 24 drives position limiting slide block 25 in limiting groove
It slides on loop bar 27 in 26, so that position limiting slide block 25 presses third spring 28, so that elastic deformation occurs for third spring 28, produces
Raw buffer protection power, in the process, so that connecting rod 24 is slided in the placement groove 29 on inserted link 30, so that pressing the 4th
Spring 31 makes the 4th spring 31 that elastic deformation occur, and buffer protection power is generated, so that the device on protective shell 3 and protective shell 3
Ontology 5 has double buffering to try hard to keep shield when falling on the ground, the configuration of the present invention is simple is easy to use, makes it possible to device noumenon 5
On protective shell 3 firm fixation is fixed, effectively prevent device noumenon 5 to fall, when misoperation cause protective shell 3 and protect
When device noumenon 5 on protective case 3 is fallen on the ground, there is double buffering to try hard to keep shield, effectively device noumenon 5 is protected, expires
The use demand of sufficient user.
In the present invention, the bottom side corner location of device noumenon 5 offers dashpot 23, is slidably fitted in dashpot 23
Connecting rod 24, the bottom end of connecting rod 24 extend to outside dashpot 23, and are welded on the bottom side inner wall of installation groove 4, connecting rod
24 two sides are welded with position limiting slide block 25, and limiting groove 26, limiting groove 26 are offered on the two sides inner wall of dashpot 23
Two sides inner wall on be welded with the same loop bar 27, position limiting slide block 25 is slidably mounted on loop bar 27, is arranged on loop bar 27
Third spring 28, on the top side inner wall for the limiting groove 26 that the both ends of third spring 28 the are respectively welded and top side of position limiting slide block 25
On, the top side of connecting rod 24, which offers, places groove 29, is welded with inserted link 30, the bottom of inserted link 30 on the top side inner wall of dashpot 23
End, which extends to, places in groove 29, and is welded with the 4th spring 31, and the bottom end of the 4th spring 31 is welded on the bottom for placing groove 29
On the inner wall of side, places rolling on the inner wall of groove 29 and ball is installed, ball is in rolling contact with inserted link 30, by the two sides of motion block 21
It is welded with movable block, offers shifting chute on the two sides inner wall of L-type sliding slot 20, movable block is slidably mounted in shifting chute,
The top side of locating piece 14 is welded with link block, and the bottom end of tilting bar 22 is rotatably connected on the top side of link block, and fixture block 7 is close to guarantor
The side of sheath 3 is arc-shaped interface, and card slot 8 is arc groove, and the two sides of mounting base 1 are welded with mounting plate, open up on mounting plate
There is mounting hole, fixing bolt is equipped in mounting hole, mounting base 1 is fixedly mounted by fixing bolt, and mounting base 1, is protected mounting groove 2
Protective case 3, installation groove 4, device noumenon 5, sliding groove 6, fixture block 7, card slot 8, link slot 9, fixed block 10, pressure rod 11, first
Spring 12, sliding recess 13, locating piece 14, locating slot 15, limited block 16, limiting slot 17, mounting rod 18, second spring 19, L
Type sliding slot 20 is used cooperatively by motion block 21 and tilting bar 22, so that can press by motion block 21, press after 5 use of device noumenon
Motion block 21 drives tilting bar 22 to rotate in L-type sliding slot 20, when tilting bar 22 rotates and locating piece 14 is pushed, so that locating piece 14
It all slides into sliding recess 13, then protective shell 3 is mounted in mounting groove 2, installation process in one end in mounting groove 2
In, protective shell 3 is pushed, protective shell 3 presses fixture block 7, and fixture block 7 slides on pressure rod 11, makes pressure rod 11 on link slot 9
Opposite sliding on fixed block 10, so that elastic deformation occurs for 12 stress of the first spring, so that under the promotion of the first spring 12, it will
Fixture block 7 pushes in card slot 8, then puts down by motion block 21, under the elastic reaction of second spring 19, by one end of locating piece 14
It pushes in locating slot 15, so that fixation is fixed to the protective shell 3 in device noumenon 5, utilizes dashpot 23, connecting rod
24, position limiting slide block 25, limiting groove 26, loop bar 27, third spring 28, place groove 29, inserted link 30 and the 4th spring 31 are matched
It closes and uses, when misoperation causes the device noumenon 5 on protective shell 3 and protective shell 3 to fall on the ground, since inertia is made
With protective shell 3 when being contacted with ground, slide in installation groove 4 by device noumenon 5, so that the phase into dashpot 23 of connecting rod 24
To sliding, so that connecting rod 24 drives position limiting slide block 25 to slide on the loop bar 27 in limiting groove 26, so that position limiting slide block 25
Third spring 28 is pressed, so that elastic deformation occurs for third spring 28, generates buffer protection power, in the process, so that connection
Bar 24 slides in the placement groove 29 on inserted link 30, so that pressing the 4th spring 31, makes the 4th spring 31 that elastic deformation occur,
Buffer protection power is generated, so that the device noumenon 5 on protective shell 3 and protective shell 3 has double buffering to try hard to keep when falling on the ground
Shield, the configuration of the present invention is simple is easy to use, makes it possible to that firm fixation is fixed to the protective shell 3 in device noumenon 5, has
Effect prevents device noumenon 5 from falling, when misoperation causes the device noumenon 5 on protective shell 3 and protective shell 3 to fall on the ground
When, there is double buffering to try hard to keep shield, effectively device noumenon 5 is protected, meets the use demand of user.
Working principle: it when in use, after 5 use of device noumenon, is pressed first by motion block 21, by 21 band of motion block
Dynamic tilting bar 22 rotates in L-type sliding slot 20, when tilting bar 22 rotates and locating piece 14 is pushed, so that locating piece 14 is in mounting groove
One end in 2 all slides into sliding recess 13, and in the process, locating piece 14 drives limited block 16 in limiting slot 14
It is slided on mounting rod 18, limited block 16 is made to press second spring 19, make 19 stress of second spring that elastic deformation occur, then will protected
Device noumenon 5 on protective case 3 and protective shell 3 is mounted in mounting groove 2, in installation process, pushes protective shell 3, protective shell 3 is pressed
Dynamic fixture block 7, fixture block 7 slide on pressure rod 11, make the opposite sliding on the fixed block 10 on link slot 9 of pressure rod 11, so that
Elastic deformation occurs for 12 stress of the first spring, so that pushing fixture block 7 in card slot 8, under the promotion of the first spring 12 to guarantor
Protective case is fixed, and then puts down by motion block 21, under the elastic reaction of second spring 19, by one end of locating piece 14 push into
In locating slot 15, so that fixation is fixed to the protective shell 3 in device noumenon 5, when misoperation leads to protective shell 3 and protects
When device noumenon 5 on protective case 3 is fallen on the ground, due to effect of inertia, protective shell 3 when being contacted with ground, pacifying by device noumenon 5
Sliding in groove 4 is filled, so that the opposite sliding into dashpot 23 of connecting rod 24, so that connecting rod 24 drives position limiting slide block 25 limiting
It is slided on loop bar 27 in the groove 26 of position, so that position limiting slide block 25 presses third spring 28, so that elasticity occurs for third spring 28
Deformation generates buffer protection power, in the process, so that connecting rod 24 is slided in the placement groove 29 on inserted link 30, so that
The 4th spring 31 is pressed, makes the 4th spring 31 that elastic deformation occur, buffer protection power is generated, so that protective shell 3 and protective shell 3
On device noumenon 5 there is when falling on the ground double buffering to try hard to keep shield, it is easy to operate, meet the use demand of user.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of erasing apparatus of electronic whiteboard, including mounting base (1), which is characterized in that the top side of the mounting base (1) opens up
Have mounting groove (2), is movably installed with protective shell (3) in the mounting groove (2), the top of the protective shell (3) extends to installation
Outside, and the top side of protective shell (3) offers installation groove (4) slot (2), is movably installed with device sheet in the installation groove (4)
Body (5), the top of described device ontology (5) extend to installation groove (4) outside, open up on the side inner wall of the mounting groove (2)
Have sliding groove (6), is slidably fitted with fixture block (7) in the sliding groove (6), one end of the fixture block (7) extends to mounting groove (2)
Interior, the protective shell (3) offers card slot (8) close to the side of fixture block (7), is movably installed with fixture block (7) in the card slot (8)
One end in mounting groove (2) is extended to, the fixture block (7) offers link slot (9), the connection far from the side of card slot (8)
It is welded on the two sides inner wall of slot (9) the same fixed block (10), side inner wall of the sliding groove (6) far from mounting groove (2)
On be welded with pressure rod (11), one end of the pressure rod (11) extends in link slot (9) and is slidably mounted on fixed block
(10) it on, is arranged with the first spring (12) on the pressure rod (11), the both ends of first spring (12) are respectively welded at cunning
On the side inner wall of dynamic slot (6) separate mounting groove (2) and on the side of fixed block (10) separate mounting groove (2), the installation
Slot (2) is slidably fitted in the sliding recess (13) far from offering sliding recess (13) on the side inner wall of sliding groove (6)
Locating piece (14), one end of the locating piece (14) extend in mounting groove (2), and the protective shell (3) is close to sliding recess
(13) side offers locating slot (15), is slidably fitted with locating piece (14) in the locating slot (15) and extends to mounting groove
(2) bottom side of one end in, the locating piece (14) is welded with limited block (16), on the bottom side inner wall of the sliding recess (13)
It offers limiting slot (17), is welded with the same mounting rod (18), the limited block on the two sides inner wall of the limiting slot (17)
(16) bottom end extends in limiting slot (17), and is slidably mounted on mounting rod (18), is arranged on the mounting rod (18)
Second spring (19), the both ends of the second spring (19) are respectively welded at limiting slot (17) far from the side of mounting groove (2)
On wall and limited block (16) are far from the side of mounting groove (2), and the top side of the mounting base (1) offers L-type sliding slot (20), institute
It states L-type sliding slot (20) to be connected with sliding recess (13), and is slidably fitted in L-type sliding slot (20) by motion block (21), it is described to press
The top of motion block (21) extends to L-type sliding slot (20) outside, and is rotatably equipped with tilting bar (22) by the bottom end of motion block (21), described
The bottom end of tilting bar (22) is rotatably installed on the top side of locating piece (14).
2. a kind of erasing apparatus of electronic whiteboard according to claim 1, which is characterized in that described device ontology (5)
Bottom side corner location offers dashpot (23), is slidably fitted with connecting rod (24), the connection in the dashpot (23)
The bottom end of bar (24) extends to dashpot (23) outside, and is welded on the bottom side inner wall of installation groove (4), the connecting rod (24)
Two sides be welded with position limiting slide block (25), offer limiting groove (26), institute on the two sides inner wall of the dashpot (23)
It states and is welded on the two sides inner wall of limiting groove (26) the same loop bar (27), the position limiting slide block (25) is slidably mounted on set
It on bar (27), is arranged with third spring (28) on the loop bar (27), the limit that the both ends of third spring (28) are respectively welded is recessed
On on the top side inner wall of slot (26) and the top side of position limiting slide block (25).
3. a kind of erasing apparatus of electronic whiteboard according to claim 2, which is characterized in that the top of the connecting rod (24)
Side, which offers, places groove (29), is welded with inserted link (30) on the top side inner wall of the dashpot (23), the inserted link (30)
Bottom end, which extends to, places in groove (29), and is welded with the 4th spring (31), and the bottom end of the 4th spring (31), which is welded on, puts
On the bottom side inner wall for setting groove (29).
4. a kind of erasing apparatus of electronic whiteboard according to claim 1, which is characterized in that placement groove (29)
It is rolled on inner wall and ball is installed, ball is in rolling contact with inserted link (30).
5. a kind of erasing apparatus of electronic whiteboard according to claim 1, which is characterized in that it is described by motion block (21) two
Side is welded with movable block, offers shifting chute on the two sides inner wall of L-type sliding slot (20), movable block is slidably mounted on shifting chute
It is interior.
6. a kind of erasing apparatus of electronic whiteboard according to claim 1, which is characterized in that the top of the locating piece (14)
Side is welded with link block, and the bottom end of tilting bar (22) is rotatably connected on the top side of link block.
7. a kind of erasing apparatus of electronic whiteboard according to claim 1, which is characterized in that the fixture block (7) is close to guarantor
The side of sheath (3) is arc-shaped interface, and card slot (8) is arc groove.
8. a kind of erasing apparatus of electronic whiteboard according to claim 1, which is characterized in that the two of the mounting base (1)
Side is welded with mounting plate, and mounting hole is offered on mounting plate, is equipped with fixing bolt in mounting hole, mounting base (1) passes through fixation
Bolt is fixedly mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735436.3A CN108973464B (en) | 2018-07-06 | 2018-07-06 | Erasing device of electronic whiteboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810735436.3A CN108973464B (en) | 2018-07-06 | 2018-07-06 | Erasing device of electronic whiteboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108973464A true CN108973464A (en) | 2018-12-11 |
| CN108973464B CN108973464B (en) | 2021-03-12 |
Family
ID=64536294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810735436.3A Active CN108973464B (en) | 2018-07-06 | 2018-07-06 | Erasing device of electronic whiteboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108973464B (en) |
Cited By (1)
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| CN108973464B (en) | 2021-03-12 |
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