CN220535293U

CN220535293U - Blackboard convenient to fold for teaching

Info

Publication number: CN220535293U
Application number: CN202322110082.2U
Authority: CN
Inventors: 潘智敏
Original assignee: Lishui Green Ship School Tools Co ltd
Current assignee: Lishui Green Ship School Tools Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-27
Anticipated expiration: 2033-08-08

Abstract

The utility model relates to the technical field of teaching equipment and discloses a convenient-to-fold teaching blackboard which comprises a first blackboard, wherein the first blackboard is connected with a second blackboard through a hinge, one side of the first blackboard is provided with a clamping mechanism, the rear end of the first blackboard is provided with a lifting mechanism, the clamping mechanism comprises a sliding column, the outer wall of the sliding column is slidably connected in the second blackboard, one end of the sliding column is fixedly connected with a limiting column, one side of the first blackboard is fixedly connected with a fixed block, the middle of the fixed block is slidably connected with a pulling column, and one end of the pulling column is fixedly connected with a clamping ring. According to the utility model, the first blackboard and the second blackboard can be folded through the clamping mechanism, so that the two blackboards are limited and fixed, and the two blackboards cannot be automatically opened and rocked, so that the blackboard is convenient for a teacher to hold, mechanical energy is convenient to carry, and the efficiency is improved.

Description

Blackboard convenient to fold for teaching

Technical Field

The utility model relates to the technical field of teaching equipment, in particular to a blackboard convenient to fold for teaching.

Background

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

The existing blackboard is inconvenient to fold and carry, a great amount of blackboard writing is needed for teachers generally, and the time for writing is limited, so that the blackboard is convenient to carry, the teacher writes contents in advance and then uses the blackboard, the teaching efficiency is improved, the teaching environments of the existing classrooms are different, the existing blackboard cannot be lifted, and therefore, when the blackboard is inconvenient for students in a shorter place to watch, the flexibility is reduced, and the application range is also reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a convenient-to-fold blackboard for teaching.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a blackboard is used in teaching convenient to fold, includes blackboard one, link to each other through the hinge between blackboard one and the blackboard two, one side of blackboard one is provided with clamping mechanism, the rear end of blackboard one is provided with elevating system, clamping mechanism includes the slip post, the outer wall sliding connection of slip post is in the inside of blackboard two, the one end fixedly connected with connecting block of slip post, the outer wall fixedly connected with spacing post of connecting block, one side fixedly connected with fixed block of blackboard one, the middle part sliding connection of fixed block has the pulling post, the one end fixedly connected with snap ring of pulling post.

As a further description of the above technical solution:

the clamping mechanism further comprises a spring, one end of the spring is connected with the fixed block, and the other end of the spring is connected with the clamping ring.

As a further description of the above technical solution:

the outer wall sliding connection of spacing post is in the inside of snap ring.

As a further description of the above technical solution:

the lifting mechanism comprises a connecting plate, the rear end of the connecting plate is connected with the linear guide rail through a sliding block, and the rear end of the linear guide rail is fixedly connected with the front end of the wallboard.

As a further description of the above technical solution:

the middle part sliding connection of connecting plate has a plurality of bolts, the outer wall sliding connection of bolt is in the rear end of blackboard one and blackboard two.

As a further description of the above technical solution:

the front end of the first blackboard is provided with a rubber pad, the front end of the second blackboard is provided with a groove, and the rubber pad is attached to the groove.

As a further description of the above technical solution:

the top fixedly connected with handle of blackboard one, the outer wall of handle is provided with the slipmat.

The utility model has the following beneficial effects:

1. according to the utility model, the first blackboard and the second blackboard can be folded through the clamping mechanism, so that the two blackboards are limited and fixed, and the two blackboards cannot be automatically opened and rocked, so that the blackboard is convenient for a teacher to hold, mechanical energy is convenient to carry, and the efficiency is improved.

2. According to the utility model, the installed blackboard can be lifted by the lifting mechanism, so that the height can be adjusted, the later students can watch the blackboard conveniently, the flexibility is improved, and the application range is also improved.

Drawings

Fig. 1 is a perspective view of a convenient-to-fold teaching blackboard provided by the utility model;

FIG. 2 is a rear view of a convenient folding teaching blackboard according to the present utility model;

FIG. 3 is a cross-sectional view of a convenient-to-fold teaching blackboard according to the present utility model;

fig. 4 is a partial view of a connection board of a teaching blackboard which is convenient to fold.

Legend description:

1. a first blackboard; 2. a hinge; 3. a second blackboard; 4. a sliding column; 5. a connecting block; 6. a limit column; 7. a groove; 8. a fixed block; 9. a spring; 10. a clasp; 11. pulling the column; 12. a connecting plate; 13. a bolt; 14. a linear guide rail; 15. a wallboard; 16. a handle; 17. and a rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a blackboard is used in teaching convenient to fold, including blackboard 1, link to each other through hinge 2 between blackboard 1 and the blackboard two 3, one side of blackboard 1 is provided with clamping mechanism, the rear end of blackboard 1 is provided with elevating system, clamping mechanism includes slide post 4, slide post 4's outer wall sliding connection is in the inside of blackboard two 3, slide post 4's one end fixedly connected with connecting block 5, connecting block 5's outer wall fixedly connected with spacing post 6, one side fixedly connected with fixed block 8 of blackboard 1, fixed block 8's middle part sliding connection has pulling post 11, pulling post 11's one end fixedly connected with snap ring 10, the user can be with blackboard 1 and the rotation of blackboard two 3 together through hinge 2, then the user is with spacing post 6 to aim at the slotted hole on the blackboard 1 and slide into, just so can drive slide post 4 and go into, can play spacing effect to spacing post 6 through slide post 4, prevent that spacing post 6 from dropping, when spacing post 6 is gliding, the user inwards promotes pulling post 11, just so can drive 10 inwards to hinder 10, just so can not advance the snap ring 6 and can not advance the user's the snap ring to carry out the side of the 1, then can be with the other than the side of the end of the 7, and then can be used for the user is 16 to carry out the snap ring to the spacing post 6, and can be used for carrying the spacing post 6 is convenient for the inside to carry out the effect of the groove is 16, and can be used to carry out the spacing post 1 to carry out the effect is 16, and can be 16.

The clamping mechanism further comprises a spring 9, one end of the spring 9 is connected with the fixed block 8, the other end of the spring 9 is connected with the clamping ring 10, the clamping ring 10 can be prevented from being limited by the spring 9, the clamping ring 10 is prevented from shaking by the clamping ring 10, the outer wall of the limiting column 6 is slidably connected to the inside of the clamping ring 10, the lifting mechanism comprises a connecting plate 12, the rear end of the connecting plate 12 is connected with the linear guide 14 through a sliding block, the rear end of the linear guide 14 is fixedly connected to the front end of the wallboard 15, the middle part of the connecting plate 12 is slidably connected with a plurality of bolts 13, the outer wall of the bolts 13 is slidably connected to the rear ends of the first blackboard 1 and the second blackboard 3, after the first blackboard 1 and the second blackboard 3 are opened in a place where the user needs, the bolts 13 on the connecting plate 12 are screwed into the first blackboard 1 and the second blackboard 3, then the user starts the linear guide 14, the sliding block can be driven to rise, the connecting plate 12 can be driven to rise and fall, the first blackboard 1 and the second blackboard 3 can be driven to rise and fall, the first blackboard 1 and the second blackboard can be conveniently lifted at different places, the second blackboard is conveniently used places are conveniently, the first blackboard 1 and the second blackboard is conveniently folded and the second blackboard is provided with a plurality of grooves 17, the first and the second blackboard is conveniently used for being conveniently used for holding the first blackboard 1 and the second blackboard 3 is provided with a handle 17.

Working principle: firstly, a user can rotate the first blackboard 1 and the second blackboard 3 together through the hinge 2, then the user can slide the limit post 6 into the slot hole on the first blackboard 1, so that the slide post 4 can be driven to slide into, the limit post 6 can be limited through the slide post 4, the limit post 6 is prevented from falling, the user pushes the pull post 11 inwards while the limit post 6 slides, the snap ring 10 can be driven inwards, the limit post 6 is not blocked from entering, then the user releases the pull post 11, the snap ring 10 can be driven to pull outwards by the elasticity of the spring 9, the snap ring 10 can be clamped into the groove of the limit post 6, the limit post 6 can be prevented from sliding out, the limit effect on the limit post 6 can be achieved, therefore, the first blackboard 1 and the second blackboard 3 can be attached, the first blackboard 1 and the second blackboard 3 can be prevented from being unfolded, then a user can carry the first blackboard and the second blackboard conveniently by carrying the handle 16, the efficiency is improved, after the first blackboard 1 and the second blackboard 3 are unfolded by carrying to a place where the user needs to use, the bolts 13 on the connecting plates 12 are screwed into the first blackboard 1 and the second blackboard 3, the first blackboard 1 and the second blackboard 3 can be fixed, then the user starts the linear guide rail 14, the sliding block can be driven to ascend, the connecting plates 12 can be driven to ascend and descend, the first blackboard 1 and the second blackboard 3 can be driven to ascend and descend, the first blackboard can be conveniently used in different places, the students behind the first blackboard and the second blackboard can conveniently watch the first blackboard, the flexibility is improved, and the application range is also improved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a blackboard is used in teaching convenient to fold, includes blackboard one (1), its characterized in that: the novel blackboard comprises a first blackboard (1) and a second blackboard (3), wherein the first blackboard is connected with the second blackboard (3) through a hinge (2), a clamping mechanism is arranged on one side of the first blackboard (1), a lifting mechanism is arranged at the rear end of the first blackboard (1), the clamping mechanism comprises a sliding column (4), the outer wall of the sliding column (4) is slidably connected with the inside of the second blackboard (3), one end of the sliding column (4) is fixedly connected with a connecting block (5), the outer wall of the connecting block (5) is fixedly connected with a limiting column (6), one side of the first blackboard (1) is fixedly connected with a fixing block (8), a pulling column (11) is slidably connected with the middle part of the fixing block (8), and one end of the pulling column (11) is fixedly connected with a clamping ring (10).

2. A foldable teaching blackboard according to claim 1, characterized in that: the clamping mechanism further comprises a spring (9), one end of the spring (9) is connected with the fixed block (8), and the other end of the spring (9) is connected with the clamping ring (10).

3. A foldable teaching blackboard according to claim 1, characterized in that: the outer wall sliding connection of spacing post (6) is in the inside of snap ring (10).

4. A foldable teaching blackboard according to claim 1, characterized in that: the lifting mechanism comprises a connecting plate (12), the rear end of the connecting plate (12) is connected with a linear guide rail (14) through a sliding block, and the rear end of the linear guide rail (14) is fixedly connected with the front end of a wallboard (15).

5. The teaching blackboard convenient to fold according to claim 4, wherein: the middle part of connecting plate (12) sliding connection has a plurality of bolts (13), the outer wall sliding connection of bolt (13) is in the rear end of blackboard one (1) and blackboard two (3).

6. A foldable teaching blackboard according to claim 1, characterized in that: the front end of the first blackboard (1) is provided with a rubber pad (17), the front end of the second blackboard (3) is provided with a groove (7), and the rubber pad (17) is attached to the groove (7).

7. A foldable teaching blackboard according to claim 1, characterized in that: the top of the first blackboard (1) is fixedly connected with a handle (16), and an anti-slip pad is arranged on the outer wall of the handle (16).