CN111959160B

CN111959160B - Movable blackboard for meeting

Info

Publication number: CN111959160B
Application number: CN202010894826.2A
Authority: CN
Inventors: 何伟
Original assignee: Chongqing Medical and Pharmaceutical College
Current assignee: Chongqing Medical and Pharmaceutical College
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2022-03-11
Anticipated expiration: 2040-08-31
Also published as: CN111959160A

Abstract

The invention relates to the technical field of office supplies and discloses a movable blackboard for a conference, which comprises a hollow main board, wherein two sides in the main board are horizontally and slidably connected with auxiliary boards, one sides of the auxiliary boards, which are far away from the main board, are respectively provided with a supporting plate, the supporting plate is provided with a vertical first adjusting groove, and the auxiliary boards are provided with supporting shafts which are vertically and slidably connected with the first adjusting groove; the mainboard all is fixed with the panel along its width direction's both sides, all is provided with the cleaning board on the panel, and cleaning board and mainboard horizontal sliding connection open in the cleaning board has the cavity, and the cavity internal rotation is connected with the clearance axle, is fixed with the clearance layer that offsets with the panel on the lateral wall of clearance axle. The blackboard eraser has a simple structure, can quickly expand the area of the main board, reduces the wiping times of the blackboard and improves the writing efficiency of operators.

Description

Movable blackboard for meeting

Technical Field

The invention relates to the technical field of office supplies, in particular to a movable blackboard for a meeting.

Background

The blackboard is not particularly a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, and is mainly used for teaching. The blackboard is generally made of wood board or ground glass, and can be written on by using specific writing materials such as chalk, and is mostly black, dark green, white or beige.

The application scene of blackboard is not only limited to the teaching, also is applied to the office environment, and current blackboard is the veneer, uses the gyro wheel so that the removal of blackboard in the bottom of blackboard, and then can use in a plurality of offices. Because the existing blackboard is a single board, the writing area is limited, and further, after the content on the blackboard can be erased, new content can be written again, so that the writing efficiency is not high.

Disclosure of Invention

The invention aims to provide a movable blackboard for a conference, which is used for expanding the area of the blackboard, increasing the writing area, reducing the times of erasing the blackboard and improving the writing efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: a movable blackboard for a conference comprises a hollow main board, wherein both sides in the main board are horizontally and slidably connected with auxiliary boards, one sides of the auxiliary boards, which are far away from the main board, are respectively provided with a supporting board, the supporting boards are provided with vertical first adjusting grooves, and the auxiliary boards are provided with supporting shafts which are vertically and slidably connected with the first adjusting grooves;

the mainboard all is fixed with the panel along its width direction's both sides, all is provided with the cleaning board on the panel, and cleaning board and mainboard horizontal sliding connection open in the cleaning board has the cavity, and the cavity internal rotation is connected with the clearance axle, is fixed with the clearance layer that offsets with the panel on the lateral wall of clearance axle.

The principle and the beneficial effects of the invention are as follows: (1) in this scheme, write after finishing on the mainboard, can pull out the subplate, and then write on the subplate, so enlarge the area of writing of mainboard, needn't clean the content on the mainboard, reduce and clean the number of times, owing to clean the number of times and reduce, can improve operating personnel and write efficiency on the blackboard.

(2) When the position of mainboard was too high, can adjust the height of mainboard through back shaft and first adjustment tank, and then adjusted the height of mainboard to adapt to the operating personnel of co-altitude not, and after the altitude mixture control of mainboard, can adapt to co-altitude crowd's visual angle not, conveniently watch the personnel of blackboard, and then make the watcher feel comfortable.

(3) In this scheme, rotate on the clearance board and be connected with the clearance board, at the sliding process on the clearance board, can be so that clearance axle and clearance layer rotate, the clearance layer can be wiped the chalk on the mainboard at the rotation in-process, compares with current blackboard eraser, can reduce the number of times of wiping the blackboard.

Furthermore, a plurality of elastic sheets which are abutted against the cleaning layer are fixed in the cavity.

Has the advantages that: when the clearance axle area had the clearance layer to rotate, the clearance layer can extrude the flexure strip, and the reaction force of flexure strip can make the clearance layer vibration, and then the dust on the clearance layer can be fallen by the vibration, and then reduces the purpose of dust on the clearance layer, reduces the dust and carries out secondary pollution to the blackboard.

Furthermore, a connecting plate is arranged between the two cleaning plates, and one cleaning plate is provided with a sliding groove for the connecting plate to slide out.

Has the advantages that: when promoting an arbitrary clearance board, two clearance boards all can move, so reach the purpose of two panels of clearance simultaneously.

Furthermore, keep away from vertical sliding connection on the clearance board of spout and have the locking axle, the one end that the spout was kept away from to the connecting plate is opened has the locking hole that supplies the locking axle to stretch into, is provided with first spring between locking axle and the clearance board of keeping away from the spout.

Has the advantages that: when the locking shaft breaks away from with the locking hole, can break away from the connecting plate between two clearance boards, and then make two clearance boards separate, so can use an arbitrary clearance board to clear up a panel.

Furthermore, a second spring is fixed on the connecting plate and is fixedly connected with the cleaning plate with the sliding groove.

Has the advantages that: when the locking shaft separates with the connecting plate, under the effect of second spring, pulling connecting plate and two clearance boards part, and then reach the purpose of two clearance boards of split, reduce manual operation.

Furthermore, a supporting seat is arranged below the main board, and a second adjusting groove connected with the supporting plate in a horizontal sliding mode is formed in the supporting seat.

Has the advantages that: the auxiliary plate is pulled to horizontally slide on the main plate through the supporting plate, the supporting plate is guided through the second adjusting groove, and the position deviation of the supporting plate in the horizontal sliding process is avoided.

Furthermore, a rotating mechanism is arranged between the supporting shaft and the auxiliary plate, the rotating mechanism comprises a main permanent magnet and an auxiliary permanent magnet, the main permanent magnet is fixed on the auxiliary plate, the auxiliary permanent magnet is fixed on the supporting shaft, and the opposite surfaces of the main permanent magnet and the auxiliary permanent magnet attract each other.

Has the advantages that: under the suction effect of main permanent magnet and vice permanent magnet, can fix the back shaft on the subplate, when needs rotate the mainboard, overcome the resistance of main permanent magnet and vice permanent magnet for the mainboard rotates, then under the condition of the whole device of irrotational, only rotatory mainboard reaches the purpose that the face was traded to the mainboard.

Furthermore, a processing layer fixed on the main board is arranged between the auxiliary board and the main board.

Has the advantages that: when the auxiliary plate slides into the main plate, the processing layer processes dust on the auxiliary plate, and operation of operators on dust processing on the auxiliary plate is reduced.

Further, the treatment layer and the cleaning layer are both made of cleaning sponge.

Has the advantages that: the cleaning sponge and the traditional cleaning mode are different in the greatest degree, a physical decontamination mechanism is adopted, and aged dirt on the surface of a material is automatically adsorbed in the wiping process by virtue of a nano capillary open pore structure in the sponge, so that the sponge works like countless super-strong miniature dust collectors.

Furthermore, all be provided with the driving piece fixed with the mainboard on the clearance board, the rack is fixed on the mainboard, rack toothing have with clearance axle coaxial fixed connection's gear, be fixed with the lug on the gear, vertical sliding connection has the slide-shaft on the clearance board, the cover is equipped with the third spring on the slide-shaft, when lug and slide-shaft offset, the vertical reciprocal extrusion flexure strip that slides of slide-shaft.

Has the advantages that: when the driving piece drives the cleaning plate to move, the gear can rotate under the action of the rack, and then the gear drives the cleaning shaft to rotate, and the convex block on the gear also rotates along with the gear, when the cam is abutted to the sliding shaft, the sliding shaft is abutted to the convex piece, the sliding shaft slides downwards to extrude the elastic piece, when the cam is disengaged from the sliding shaft, the sliding shaft is disengaged from the elastic piece, and the elastic piece vibrates the cleaning layer under the action of elasticity, so that dust on the cleaning layer is reduced.

Drawings

Fig. 1 is an isometric view of a mobile blackboard for a conference according to a first embodiment of the present invention;

FIG. 2 is a front view of a movable blackboard for conference according to one embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line E-E of FIG. 2;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is an enlarged view of portion B of FIG. 3;

FIG. 6 is a top view of a mobile blackboard for conference in accordance with one embodiment of the present invention;

FIG. 7 is a sectional view taken along line F-F of FIG. 6;

fig. 8 is a sectional view of a movable blackboard for a conference in the second embodiment of the present invention;

fig. 9 is a schematic structural diagram of a rotating mechanism according to a second embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the support seat 1, the second adjusting groove 11, the support plate 2, the auxiliary plate 21, the first adjusting groove 22, the support shaft 23, the main permanent magnet 24, the auxiliary permanent magnet 25, the main plate 3, the second panel 31, the first panel 32, the sliding cavity 33, the linear module 34, the rack 35, the gear 36, the projection 37, the sliding shaft 38, the cleaning plate 4, the connecting plate 41, the second spring 42, the locking shaft 43, the first spring 44, the cleaning shaft 45, the cleaning layer 46, the elastic sheet 47 and the cavity 48.

The first embodiment is as follows:

basically as shown in figure 1, figure 2 and figure 3, a portable blackboard is used in meeting, including supporting seat 1, the top of supporting seat 1 is provided with mainboard 3, it has two open-ended smooth chamber 33 to open in the mainboard 3, both sides horizontal sliding connection in the smooth chamber 33 has subplate 21, be provided with the processing layer of being made by clean sponge between subplate 21 and the mainboard 3, processing layer fix with screw on mainboard 3, the bolt fastening has back shaft 23 on the subplate 21, one side that the mainboard 3 was kept away from to subplate 21 all is provided with backup pad 2, open on the supporting seat 1 and have the first adjustment tank 22 with backup pad 2 horizontal sliding connection. Referring to fig. 7, a vertical second adjusting groove 11 is formed in the supporting plate 2, the supporting shaft 23 extends into the second adjusting groove 11, an air cylinder is fixed in the second adjusting groove 11 through a bolt, and an output shaft of the air cylinder is fixedly connected with the supporting shaft 23 through a bolt (not shown in the figure).

Combine shown in fig. 6, mainboard 3 is provided with first panel 32 and second panel 31 along its width direction, all be provided with clearance mechanism on first panel 32 and the second panel 31, clearance mechanism includes driving piece and the clearance board 4 that longitudinal section is "Contraband" font, the upper portion and the mainboard 3 horizontal sliding connection of clearance board 4, combine shown in fig. 3 and fig. 5, it has cavity 48 to open in the clearance board 4, cavity 48 internal rotation is connected with clearance axle 45, the cover is equipped with the clearance layer 46 of making by cleaning sponge on the lateral wall of clearance axle 45, cavity 48 internal fixation has a plurality of elastic sheets 47 along the vertical equipartition of clearance board 4, elastic sheet 47 offsets with clearance layer 46. The gear 36 is coaxially fixed at the upper end of the cleaning shaft 45, the convex block 37 is fixed on the gear 36 through a screw, the sliding shaft 38 positioned in the cavity 48 is arranged below the convex block 37, the sliding shaft 38 is vertically and slidably connected with the cleaning plate 4, the sliding shaft 38 abuts against the elastic sheet 47, a third spring is sleeved on the outer side wall of the sliding shaft 38, one end of the third spring is fixed on the sliding shaft 38, and the other end of the third spring is fixed on the cleaning plate 4 (not shown in the figure).

The driving piece is sharp module 34 in this embodiment, and sharp module 34 bolt fastening is on mainboard 3, and sharp module 34 is connected with cleaning plate 4, and sharp module 34 drives cleaning plate 4 and slides, is fixed with rack 35 on the mainboard 3, and the meshing tooth has all been opened to the both sides of rack 35, and the both sides of rack 35 mesh with the gear 36 of both sides cleaning mechanism respectively.

As shown in fig. 4, a connecting plate 41 is arranged between the cleaning plates 4, a sliding groove with two open ends is formed on the left cleaning plate 4, a sliding cavity is formed on the right cleaning plate 4, one end of the connecting plate 41 is located in the sliding groove, the other end of the connecting plate 41 is located in the sliding cavity, a second spring 42 is arranged at the left end of the connecting plate 41, one end of the second spring 42 is welded on the left cleaning plate 4, and the other end of the second spring 42 is fixed on the connecting plate 41. One end of the connecting plate 41, which is located in the sliding cavity, is provided with a locking hole, the cleaning plate 4 on the right side is vertically and slidably connected with a locking shaft 43 with a longitudinal section in an inverted T shape, a first spring 44 is arranged between the locking shaft 43 and the cleaning plate 4 on the right side, one end of the first spring 44 is welded with the cleaning plate 4 on the right side, the other end of the first spring 44 is welded on the locking shaft 43, and the upper end of the locking shaft 43 extends into the locking hole to lock the connecting plate 41.

The specific implementation process is as follows:

when the blackboard is expanded, as shown in fig. 7, the auxiliary plate 21 is pulled by the support plate 2 to horizontally slide, so that the area of the main plate 3 is increased, the writing area of the main plate 3 can be increased, after the width of the main plate 3 is enlarged, the written content does not need to be wiped, the wiping frequency of an operator is reduced, and the writing area is enlarged. When the height of mainboard 3, start the cylinder, the cylinder drives back

shaft

23 and 3 vertical slides of mainboard, and then adjusts the height of

mainboard

3, and 3 height-adjusting backs of mainboard can adapt to different operating personnel and write, also can let the observation visual angle of the people who observes the blackboard more comfortable. When the sub-board 21 is received in the slide cavity 33 of the main board 3, the processing layer on the main board 3 cleans dust on the sub-board 21, and the cleaning of the sub-board 21 by an operator is reduced again.

As shown in fig. 6, the first panel 32 and the second panel 31 are disposed on both sides of the main board 3 in the width direction, and the first panel 32 and the second panel 31 can both write, so that the writing area of the main board 3 is further enlarged.

When clearing up the dust on first panel 32 and the second panel 31, as shown in fig. 3, 5 and 6, start sharp module 34, sharp module 34 takes cleaning plate 4 reciprocating motion, drives gear 36 under the effect of rack 35 and rotates, and then gear 36 takes cleaning shaft 45 and clearance layer 46 to rotate, clears up the dust on first panel 32 and the second panel 31 when clearance layer 46 rotates. When the gear 36 rotates, the gear 36 can bring the cam to abut against the sliding shaft 38, the sliding shaft 38 slides downwards to extrude the elastic piece 47, when the cam is separated from the sliding shaft 38, the sliding shaft 38 slides upwards under the action of the third spring, the elastic piece 47 vibrates and impacts the cleaning layer 46 when being reset, and the elastic piece 47 can vibrate dust on the cleaning layer 46 into the cavity 48, so that the dust on the cleaning layer 46 is reduced, and secondary pollution of the dust on the cleaning layer 46 to the first panel 32 and the second panel 31 is reduced.

When only one panel needs to be cleaned, the linear module 34 is closed, and the rack 35 is fixed on the linear module 34. As shown in fig. 4, the locking shaft 43 is pulled downwards, so that the locking shaft 43 is pulled out of the locking hole, the second spring 42 pulls the connecting plate 41 to be pulled out from the cleaning plate 4 on the right side under the action of the second spring 42, and then the locking shaft 43 is reset under the action of the first spring 44. So make two clearance boards 4 separation, operating personnel removes through promoting an arbitrary clearance board 4, and straight line module 34 does not work, and rack 35 is motionless this moment, and then the gear 36 on the clearance board 4 of removal can rotate, can clear up first panel 32 or second panel 31 according to above-mentioned mode, so, can keep the content on the panel to remain, the content on another panel is cleared up.

Example two:

the difference between the second embodiment and the first embodiment is that, as shown in fig. 8 and fig. 9, a rotating mechanism is arranged between the main plate 3 and the supporting shaft 23, in this embodiment, the rotating mechanism includes a main permanent magnet 24 and a sub permanent magnet 25, the main permanent magnet 24 is fixed on the main plate 3 by screws, the sub permanent magnet 25 is located in the main permanent magnet 24, the sub permanent magnet 25 is fixed on the supporting shaft 23 by screws, and the opposite surfaces of the main permanent magnet 24 and the sub permanent magnet 25 attract each other.

The specific implementation process is as follows:

the auxiliary permanent magnet 25 is inserted into the main permanent magnet 24, so that the main permanent magnet 24 and the auxiliary permanent magnet 25 are attracted and fixed to each other, and the support shaft 23 is fixed to the support shaft 23. When the writing surface on the first panel 32 is used up and the second panel 31 needs to be used, the operator can overcome the attraction resistance of the main permanent magnet 24 and the auxiliary permanent magnet 25, so that the main plate 3 rotates, and the purpose of surface replacement is achieved. By replacing the first panel 32 and the second panel 31, both faces of the sub-plate 21 can be replaced, so that the writing area is further enlarged, and the operation is convenient without rotating the whole blackboard.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.

Claims

1. A movable blackboard for a conference is characterized by comprising a hollow main board, wherein two sides in the main board are horizontally and slidably connected with auxiliary boards, one sides of the auxiliary boards, far away from the main board, are respectively provided with a supporting board, the supporting boards are provided with a vertical first adjusting groove, and the auxiliary boards are provided with supporting shafts which are vertically and slidably connected with the first adjusting groove;

the cleaning device comprises a main board, a cleaning shaft, a panel, a cleaning layer and a cleaning layer, wherein the panel is fixed on each of two sides of the main board in the width direction, the cleaning plate is arranged on each panel and horizontally connected with the main board in a sliding manner, a cavity is formed in each cleaning plate, the cleaning shaft is rotatably connected in each cavity, and the cleaning layer which is abutted against the panel is fixed on the outer side wall of each cleaning shaft; a plurality of elastic sheets which are abutted against the cleaning layer are fixed in the cavity; all be provided with the driving piece fixed with the mainboard on the clearance board, the rack is fixed on the mainboard, rack toothing have with the coaxial fixed connection's of clearance axle gear, be fixed with the lug on the gear, vertical sliding connection has the slide-shaft on the clearance board, the cover is equipped with the third spring on the slide-shaft, when lug and slide-shaft offset, the vertical reciprocal extrusion flexure strip that slides of slide-shaft.

2. The movable blackboard for conferences according to claim 1, characterized in that: a connecting plate is arranged between the two cleaning plates, and one cleaning plate is provided with a sliding groove for the connecting plate to slide out.

3. The movable blackboard for conferences according to claim 2, characterized in that: keep away from vertical sliding connection on the clearance board of spout has the locking axle, and the one end that the spout was kept away from to the connecting plate is opened has the locking hole that supplies the locking axle to stretch into, and the locking axle is provided with first spring with keeping away from between the clearance board of spout.

4. A movable blackboard for conferences according to claim 3, characterised in that: and a second spring is fixed on the connecting plate and is fixedly connected with the cleaning plate provided with the sliding groove.

5. The movable blackboard for conferences according to claim 1, characterized in that: the supporting seat is arranged below the main board, and a second adjusting groove connected with the supporting plate in a horizontal sliding mode is formed in the supporting seat.

6. The movable blackboard for conferences according to claim 1, characterized in that: a rotating mechanism is arranged between the supporting shaft and the auxiliary plate and comprises a main permanent magnet and an auxiliary permanent magnet, the main permanent magnet is fixed on the auxiliary plate, the auxiliary permanent magnet is fixed on the supporting shaft, and the opposite surfaces of the main permanent magnet and the auxiliary permanent magnet are attracted.

7. The movable blackboard for conferences according to claim 1, characterized in that: a processing layer fixed on the main board is arranged between the auxiliary board and the main board.

8. The movable blackboard for conferences according to claim 7, characterized in that: the treatment layer and the cleaning layer are both made of cleaning sponge.