CN212666993U

CN212666993U - Convenient blackboard

Info

Publication number: CN212666993U
Application number: CN202021126911.6U
Authority: CN
Inventors: 李后祖; 魏义水
Original assignee: Nancheng Ludong Teaching Equipment Co ltd
Current assignee: Nancheng Ludong Teaching Equipment Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-09
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a convenient blackboard, which comprises a first blackboard, a second blackboard is movably arranged on the right side of the first blackboard, handles are fixedly arranged on the tops of the first blackboard and the second blackboard, the first blackboard and the second blackboard are movably connected through a connecting block, the upper side and the lower side of the connecting block are both fixedly provided with a rotating shaft, the front surfaces of the first blackboard and the second blackboard are movably provided with mounting plates, the front surface of the mounting plate is movably provided with a fixed button, the front surface of the mounting plate is movably provided with a movable seat, the bottom of the movable seat is fixedly provided with two support rods, the front of the second blackboard is fixedly provided with two fixed clamping blocks, the inside movable mounting of first blackboard has the quantity to be two movable block, two the equal fixed mounting in one side that the movable block kept away from each other has movable fixture block. This convenient type blackboard, easy operation, convenient to use person carries for it is more convenient that the user is when using.

Description

Convenient blackboard

Technical Field

The utility model relates to a blackboard technical field specifically is a convenient type blackboard.

Background

The blackboard is not particularly designated to a black board, is a plane which can be repeatedly written by chalk in the traditional sense, is hard, is mainly used for teaching, is generally made of wood boards or ground glass and the like, is mostly black, dark green, white or beige, and along with the development of the times, the types of the blackboard become complicated and diversified, the blackboard is divided into a blackboard, a green board, a white board and the like from the aspect of color, a plane board and an arc panel are divided from the aspect of surface shape, a support movable plate, a push-pull plate, a lifting plate, a magnetic blackboard and the like from the aspect of structural composition, and the blackboard is divided into a teaching blackboard, an office white board, an advertising board, a display board and the like from the aspect of use.

The current blackboard is when using, and the user of being not convenient for carries to when needs explain the teaching outdoors, the user can not take the blackboard outdoor from, has brought inconvenience for the user, so has provided a convenient type blackboard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient type blackboard to current blackboard that proposes in solving above-mentioned background art carries not convenient to use person when using, thereby when needs explain the teaching outdoors, the user can not take the blackboard from outdoor, has brought inconvenient problem for the user.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a convenient blackboard, includes first blackboard, the right side movable mounting of first blackboard has the second blackboard, the equal fixed mounting in top of first blackboard and second blackboard has the handle, first blackboard and second blackboard pass through connecting block swing joint, the equal fixed mounting in upper and lower both sides of connecting block has the pivot, the front movable mounting of first blackboard and second blackboard has the mounting panel, the front movable mounting of mounting panel has the fixed button, the front movable mounting of mounting panel has the sliding seat, the bottom fixed mounting of sliding seat has the bracing piece that quantity is two, the front fixed mounting of second blackboard has the fixed fixture block that quantity is two, the inside movable mounting of first blackboard has the quantity to be two movable block, two the equal fixed mounting in one side that the movable block kept away from each other has movable fixture block, the left side fixed mounting of movable block has the connecting rod that is located first blackboard inside, the left side fixed mounting of connecting rod has the slider that is located the first blackboard left side, two the equal movable mounting in one side that the movable block is close to each other has the stabilized spring that is located the first blackboard inside.

Preferably, the quantity of connecting block is four, and the quantity of pivot is eight, eight the pivot is located two respectively the upper and lower both sides of connecting block, eight the pivot extends to the inside of first blackboard and second blackboard respectively.

Preferably, the front surfaces of the first blackboard and the second blackboard are fixedly provided with mounting seats, the front surfaces of the mounting seats are provided with threaded holes, the back parts of the fixing buttons are fixedly provided with threaded rods, the threaded rods are matched with the threaded holes, and the threaded rods extend to the inner parts of the threaded holes.

Preferably, the positive fixed mounting of mounting panel has the fixed block that extends to the sliding seat left and right sides, and the equal fixed mounting in left and right sides of sliding seat has the loose axle that extends to the inside of fixed block.

Preferably, the opposite sides of the two fixed clamping blocks are fixedly provided with limiting blocks, and the front surface of the movable clamping block is provided with an inclined surface.

Preferably, a spring guide post is fixedly mounted on one side of the movable block close to the stabilizing spring and inside the first blackboard, and the spring guide post extends to the inside of the stabilizing spring.

Compared with the prior art, the beneficial effects of the utility model are that: the portable blackboard can drive the threaded rod to rotate by rotating the fixing button, the threaded rod is rotated out from the inside of the threaded hole, then the mounting plate can be taken down from the front surfaces of the first blackboard and the second blackboard, then the first blackboard is rotated to enable the first blackboard and the second blackboard to be close to each other, then the sliding block is slid towards the direction of the stabilizing spring, so that the connecting rod can be driven to slide, then the movable block can be driven to slide, thereby the movable clamping block can be driven to slide, then the fixed clamping block enters the inside of the first blackboard, then the sliding block is loosened, the movable block and the movable clamping block can be sequentially driven to return to the initial position under the action of the restoring force of the stabilizing spring, the movable clamping block can block the limiting block, the first blackboard and the second blackboard are prevented from being separated, then the blackboard can be taken away by lifting the handle, otherwise, the portable blackboard can be unfolded for use, so that the use is more convenient for users.

Drawings

FIG. 1 is a schematic view of a portable blackboard according to the present invention;

fig. 2 is an enlarged view of a position a in fig. 1 of the portable blackboard of the present invention.

In the figure: 1-a first blackboard; 2-a second blackboard; 3-a handle; 4, connecting blocks; 5-a rotating shaft; 6, mounting a plate; 7-a fixing button; 8-a movable seat; 9-a support bar; 10-fixing the fixture block; 11-a movable block; 12-movable clamping blocks; 13-a connecting rod; 14-a slide block; 15-stabilizing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides an embodiment: a convenient blackboard comprises a first blackboard 1, a second blackboard 2 is movably arranged on the right side of the first blackboard 1, handles 3 are fixedly arranged at the tops of the first blackboard 1 and the second blackboard 2, the first blackboard 1 and the second blackboard 2 are movably connected through connecting blocks 4, rotating shafts 5 are fixedly arranged on the upper side and the lower side of each connecting block 4, the number of the connecting blocks 4 is four, the number of the rotating shafts 5 is eight, the eight rotating shafts 5 are respectively positioned on the upper side and the lower side of the two connecting blocks 4, the eight rotating shafts 5 respectively extend into the first blackboard 1 and the second blackboard 2, an installation plate 6 is movably arranged on the front sides of the first blackboard 1 and the second blackboard 2, a fixed button 7 is movably arranged on the front side of the installation plate 6, installation seats are fixedly arranged on the front sides of the first blackboard 1 and the second blackboard 2, threaded holes are formed in the front sides of the installation seats, threaded rods are fixedly arranged on the, the threaded rod is matched with the threaded hole, the threaded rod extends into the threaded hole, the front of the mounting plate 6 is movably provided with a movable seat 8, the front of the mounting plate 6 is fixedly provided with fixed blocks extending to the left side and the right side of the movable seat 8, the left side and the right side of the movable seat 8 are both fixedly provided with movable shafts extending to the inside of the fixed blocks, the bottom of the movable seat 8 is fixedly provided with two supporting rods 9, the front of the second blackboard 2 is fixedly provided with two fixed clamping blocks 10, the inside of the first blackboard 1 is movably provided with two movable blocks 11, one side of each movable block 11 far away from each other is fixedly provided with a movable clamping block 12, one side of each fixed clamping block 10 opposite to each other is fixedly provided with a limiting block, the front of each movable clamping block 12 is provided with an inclined surface, the left side of each movable block 11 is fixedly provided, the left side of the connecting rod 13 is fixedly provided with a sliding block 14 positioned at the left side of the first blackboard 1, one side of each movable block 11 close to each other is movably provided with a stabilizing spring 15 positioned in the first blackboard 1, one side of each movable block 11 close to the stabilizing spring 15 and the inside of the first blackboard 1 are respectively and fixedly provided with a spring guide post, the spring guide posts extend to the inside of the stabilizing spring 15, the portable blackboard can drive the threaded rod to rotate by rotating the fixing button 7, the threaded rod is rotated out from the inside of the threaded hole, then the mounting plate 6 can be taken down from the front sides of the first blackboard 1 and the second blackboard 2, then the first blackboard 1 is rotated to enable the first blackboard 1 and the second blackboard 2 to be close to each other, then the sliding block 14 slides towards the stabilizing spring 15, thereby driving the connecting rod 13 to slide, then the movable blocks 11 can be driven to slide, thereby driving the movable clamping blocks 12 to slide, then make fixed fixture block 10 get into the inside of first blackboard 1, then loosen slider 14, can drive movable block 11 and activity fixture block 12 in proper order under the effect of stable spring 15 restoring force and get back to initial position, activity fixture block 12 can block the stopper, avoid first blackboard 1 and second blackboard 2 separately, then carry handle 3 and can take away this blackboard, otherwise can expand the use, therefore, the operation is simple, convenient to use person carries, make the user more convenient when using, the current blackboard of having solved is when using, the not convenient to use person carries, thereby when needing to explain the teaching outdoors, the user can not take the blackboard from outdoors, inconvenient problem has been brought for the user.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a convenient blackboard, includes first blackboard (1), its characterized in that, the right side movable mounting of first blackboard (1) has second blackboard (2), the equal fixed mounting in top of first blackboard (1) and second blackboard (2) has handle (3), first blackboard (1) and second blackboard (2) pass through connecting block (4) swing joint, the equal fixed mounting in upper and lower both sides of connecting block (4) has pivot (5), the front movable mounting of first blackboard (1) and second blackboard (2) has mounting panel (6), the front movable mounting of mounting panel (6) has fixed button (7), the front movable mounting of mounting panel (6) has movable seat (8), the bottom fixed mounting of movable seat (8) has bracing piece (9) that quantity is two, the front fixed mounting of second blackboard (2) has fixed fixture block (10) that quantity is two, the inside movable mounting of first blackboard (1) has quantity to be two movable block (11), two the equal fixed mounting in one side that movable block (11) kept away from each other has movable fixture block (12), the left side fixed mounting of movable block (11) has connecting rod (13) that are located first blackboard (1) inside, the left side fixed mounting of connecting rod (13) has and is located left slider (14) of first blackboard (1), two the equal movable mounting in one side that movable block (11) are close to each other has and is located inside stabilizing spring (15) of first blackboard (1).

2. A handy blackboard according to claim 1, characterised in that: the quantity of connecting block (4) is four, and the quantity of pivot (5) is eight, eight pivot (5) are located two respectively the upper and lower both sides of connecting block (4), eight pivot (5) extend to the inside of first blackboard (1) and second blackboard (2) respectively.

3. A handy blackboard according to claim 1, characterised in that: the blackboard comprises a first blackboard (1) and a second blackboard (2), wherein the front surfaces of the first blackboard and the second blackboard are fixedly provided with mounting seats, the front surfaces of the mounting seats are provided with threaded holes, the back parts of fixing buttons (7) are fixedly provided with threaded rods, the threaded rods are matched with the threaded holes, and the threaded rods extend to the inner parts of the threaded holes.

4. A handy blackboard according to claim 1, characterised in that: the positive fixed mounting of mounting panel (6) has the fixed block that extends to sliding seat (8) left and right sides, and the equal fixed mounting in the left and right sides of sliding seat (8) has the loose axle that extends to the inside of fixed block.

5. A handy blackboard according to claim 1, characterised in that: and one side of each of the two fixed clamping blocks (10) opposite to each other is fixedly provided with a limiting block, and the front surface of each movable clamping block (12) is provided with an inclined surface.

6. A handy blackboard according to claim 1, characterised in that: and spring guide posts are fixedly mounted on one side, close to the stabilizing spring (15), of the movable block (11) and inside the first blackboard (1), and extend to the inside of the stabilizing spring (15).