CN213920445U

CN213920445U - Erasable blackboard for teaching children

Info

Publication number: CN213920445U
Application number: CN202022963008.1U
Authority: CN
Inventors: 宋梦颖
Original assignee: Huaian Gongqing Art Kindergarten
Current assignee: Huaian Gongqing Art Kindergarten
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-10
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a children's teaching is with wiping blackboard, including first backplate, the depressed groove has been seted up to the preceding terminal surface of first backplate, the bottom fixed mounting of first backplate has movable pivot, the bottom swing joint of activity pivot has the second backplate, the equal fixed mounting in the left and right sides of first backplate and second backplate has the side extension board, the locating hole has been seted up to the inside of side extension board, the top fixed mounting of first backplate has special-shaped slide rail, the spout has been seted up to the inside of special-shaped slide rail. This blackboard can be used for blackboard writing to children's teaching, the surface of first backplate and second backplate has guaranteed the normal use of this blackboard, and both can folding designs simultaneously are favorable to increasing this depositing convenient to carry who can wipe the blackboard, and locating hole inside can connecting bolt, and the help can wipe the blackboard and carry out fixed mounting, has guaranteed the installation convenience of blackboard, and the design of dysmorphism slide rail left end can prevent inside fixture block roll-off.

Description

Erasable blackboard for teaching children

Technical Field

The utility model relates to a children teaching technical field specifically is a blackboard is wiped in children's teaching.

Background

Teaching is a human-specific talent training activity consisting of teacher's teaching and student's learning. Through the activities, teachers purposefully, programmatically and organically guide students to learn and master cultural scientific knowledge and skills, and promote the improvement of the qualities of the students, so that the students become people required by the society. The teaching concept is abstracted and summarized from teaching phenomena and teaching practices, and the teaching meaning is developed along with the development of history. The definition of teaching this concept is not invariably either. Human perception of teaching is continuous. Reviewing the historical explanation of the teaching concept is of great significance to our correct understanding of the teaching concept.

However, the existing blackboard cannot be guaranteed to be erasable when in use, the blackboard eraser is easy to lose and inconvenient to use, and meanwhile, the common blackboard is not easy to fold after being used, so that the storage is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blackboard that can wipe for children's teaching to current blackboard can not guarantee to wipe when using among the solution above-mentioned background art, and the blackboard eraser is lost easily, and is convenient inadequately during the use, and general blackboard is unfavorable for folding after using simultaneously, causes the problem of depositing inconvenience.

In order to achieve the above object, the utility model provides a following technical scheme: an erasable blackboard for children teaching comprises a first backboard, wherein the front end surface of the first backboard is provided with a concave groove, the bottom end of the first back plate is fixedly provided with a movable rotating shaft, the bottom end of the movable rotating shaft is movably connected with a second back plate, the left side and the right side of the first back plate and the second back plate are both fixedly provided with side supporting plates, positioning holes are arranged inside the side supporting plates, the top end of the first back plate is fixedly provided with a special-shaped sliding rail, the inside of the special-shaped sliding rail is provided with a sliding groove, a clamping block is movably connected inside the sliding groove, one end of the clamping block is fixedly provided with a telescopic rod, the other end of the telescopic rod is movably connected with a movable supporting rod, the outer side of the movable supporting rod is movably connected with a sheathing rod, the inner wall of the sleeving rod is fixedly connected with a connecting wiping plate, the outer side of the movable supporting rod is connected with a knob, and the bottom end of the second back plate is fixedly provided with a transverse sliding rail.

Preferably, the first back plate and the second back plate are designed to be of the same specification, the second back plate is connected with the first back plate through a rotating shaft, and the concave groove is integrally connected with the first back plate.

Preferably, the side support plates are integrally connected with the first back plate, the number of the side support plates is four, and the side support plates and the positioning holes penetrate through each other.

Preferably, the special-shaped sliding rail is designed in an L shape, and the special-shaped sliding rail is connected with the clamping block in a sleeved mode.

Preferably, the movable support rod is connected with the sleeving rod in a sleeving manner, the sleeving rod is integrally connected with the connecting wiping plate, and the connecting wiping plate is attached to the inner wall of the concave groove.

Preferably, the internal thread of the knob is embedded with the external thread of the movable supporting rod, and the movable supporting rod is connected with the telescopic rod in a sleeved mode.

Compared with the prior art, the beneficial effects of the utility model are that: the erasable blackboard for children teaching is characterized in that the surfaces of the first back plate and the second back plate can be used for writing on blackboard, the normal use of the blackboard is ensured, meanwhile, the first back plate and the second back plate can be folded, the storage and carrying convenience of the erasable blackboard is increased, bolts can be connected inside the positioning holes, the erasable blackboard is helped to be fixedly installed, the installation convenience of the blackboard is ensured, the design of the left end of the special-shaped slide rail can prevent the internal fixture block from sliding out, but the fixture block can also slide out when the fixture block rotates upwards, on one hand, the normal wiping of the connecting wiping plate can be ensured, on the other hand, the connecting wiping plate can be replaced, the practicability of the blackboard is improved, the sleeve rod can move outside the movable support rod, the wiping range of the erasable blackboard is favorably increased, the knob can rotate to fix the movable sleeve rod, and the movable support rod is in movable connection with the telescopic rod to be favorable for the contact of the eraser or not, the clean wiping effect of the blackboard is ensured.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a side view of the present invention;

fig. 4 is a top view structural diagram of the present invention.

In the figure: 1. a first back plate; 2. a recessed groove; 3. a movable rotating shaft; 4. a second back plate; 5. a side support plate; 6. positioning holes; 7. a special-shaped slide rail; 8. a movable strut; 9. sleeving the rod; 10. a knob; 11. connecting the wiping plate; 12. a telescopic rod; 13. a chute; 14. a clamping block; 15. a transverse slide rail.

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. 1-4, the present invention provides a technical solution: the utility model provides a children's teaching is with wiping blackboard, including first backplate 1, the depressed groove 2 has been seted up to the preceding terminal surface of first backplate 1, the bottom fixed mounting of first backplate 1 has movable pivot 3, the bottom swing joint of movable pivot 3 has second backplate 4, the equal fixed mounting in the left and right sides of first backplate 1 and second backplate 4 has side extension board 5, locating hole 6 has been seted up to the inside of side extension board 5, the top fixed mounting of first backplate 1 has special-shaped slide rail 7, spout 13 has been seted up to the inside of special-shaped slide rail 7, the inside swing joint of spout 13 has fixture block 14, the one end fixed mounting of fixture block 14 has telescopic link 12, the other end swing joint of telescopic link 12 has movable branch 8, the outside swing joint of movable branch 8 has cover pole 9, the inner wall department fixedly connected with of cover pole 9 connects and wipes board 11, the outside of movable branch 8 is connected with knob 10, the bottom fixed mounting of second backplate 4 has transverse sliding rail 15.

The utility model discloses in: the first back plate 1 and the second back plate 4 are designed in the same specification, the second back plate 4 is connected with the first back plate 1 through a rotating shaft, and the concave groove 2 is integrally connected with the first back plate 1; the surfaces of the first back plate 1 and the second back plate 4 can be used for writing, so that the normal use of the blackboard is ensured, and meanwhile, the first back plate and the second back plate can be folded, so that the increase of the storage and carrying convenience of the erasable blackboard is facilitated.

The utility model discloses in: the side support plates 5 are integrally connected with the first back plate 1, the number of the side support plates 5 is four, and the side support plates 5 are mutually penetrated through the positioning holes 6; the positioning holes 6 can be internally connected with bolts, so that the erasable blackboard can be cleaned for fixed installation, and the installation convenience of the blackboard is guaranteed.

The utility model discloses in: the special-shaped sliding rail 7 is designed in an L shape, and the special-shaped sliding rail 7 is connected with the clamping block 14 in a sleeved mode; the design of dysmorphism slide rail 7 left end can prevent inside fixture block 14 roll-off, but also can the roll-off when fixture block 14 upwards rotates, can guarantee to connect the normal of wiping board 11 on the one hand and clean, and on the other hand also can replace and connect wiping board 11, has improved the practicality of blackboard.

The utility model discloses in: the movable supporting rod 8 is connected with the sleeving rod 9 in a sleeving manner, the sleeving rod 9 is integrally connected with the connecting wiping plate 11, and the connecting wiping plate 11 is attached to the inner wall of the concave groove 2; the sleeving rod 9 can move outside the movable supporting rod 8, and the wiping range of the erasable blackboard is increased.

The utility model discloses in: the internal thread of the knob 10 is embedded with the external thread of the movable supporting rod 8, and the movable supporting rod 8 is connected with the telescopic rod 12 in a sleeved mode; the knob 10 can rotate to fix the movable sleeve rod 9, and the movable connection of the movable support rod 8 and the telescopic rod 12 is also beneficial to the contact of the blackboard eraser, so that the clean erasing effect of the blackboard is ensured.

The working principle is as follows: can expand this blackboard during the use, telescopic link 12 is installed to inside block at dysmorphism slide rail 7 and transverse slide rail 15 to keep connecting and wipe board 11 and blackboard face's laminating to be connected, install general fixing screw in the inside of locating hole 6 afterwards, guarantee to wipe the fixed mounting effect of blackboard, normal writing again can, when needs are folding, just will this wipe the blackboard and dismantle, and take out telescopic link 12 from dysmorphism slide rail 7 is inside and fold.

In summary, the following steps: the erasable blackboard for children teaching is characterized in that the surfaces of the first back plate 1 and the second back plate 4 can be used for writing on blackboard, the normal use of the blackboard is ensured, meanwhile, the first back plate and the second back plate can be folded, the storage and carrying convenience of the erasable blackboard is increased, bolts can be connected inside the positioning holes 6 to help the erasable blackboard to be fixedly installed, and the installation convenience of the blackboard is ensured, the design of the left end of the special-shaped slide rail 7 can prevent the internal clamping block 14 from sliding out, but the clamping block 14 can also slide out when rotating upwards, on one hand, the normal wiping of the connecting wiping plate 11 can be ensured, on the other hand, the connecting wiping plate 11 can also be replaced, the practicability of the blackboard is improved, the sleeve rod 9 can move outside the movable support rod 8, the wiping range of the erasable blackboard can be increased, the knob 10 can rotate to fix the movable sleeve rod 9, and the movable connection of the movable support rod 8 and the telescopic rod 12 is also beneficial to the contact of the blackboard, the clean wiping effect of the blackboard is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a children's teaching is with wiping blackboard, includes first backplate (1), its characterized in that: the front end face of the first back plate (1) is provided with a concave groove (2), the bottom of the first back plate (1) is fixedly provided with a movable rotating shaft (3), the bottom of the movable rotating shaft (3) is movably connected with a second back plate (4), the left side and the right side of the first back plate (1) and the second back plate (4) are both fixedly provided with side supporting plates (5), the inside of each side supporting plate (5) is provided with a positioning hole (6), the top end of the first back plate (1) is fixedly provided with a special-shaped sliding rail (7), the inside of each special-shaped sliding rail (7) is provided with a sliding groove (13), the inside of each sliding groove (13) is movably connected with a clamping block (14), one end of each clamping block (14) is fixedly provided with a telescopic rod (12), the other end of each telescopic rod (12) is movably connected with a movable supporting rod (8), the outer side of each movable supporting rod (8) is movably connected with a sleeving rod (9), the inner wall of the sleeving rod (9) is fixedly connected with a connecting wiping plate (11), the outer side of the movable supporting rod (8) is connected with a knob (10), and a transverse sliding rail (15) is fixedly mounted at the bottom end of the second back plate (4).

2. The erasable blackboard for teaching children according to claim 1, characterized in that: the first back plate (1) and the second back plate (4) are designed to be of the same specification, the second back plate (4) is connected with the first back plate (1) through a rotating shaft, and the concave groove (2) is integrally connected with the first back plate (1).

3. The erasable blackboard for teaching children according to claim 1, characterized in that: the side support plates (5) are integrally connected with the first back plate (1), the number of the side support plates (5) is four, and the side support plates (5) and the positioning holes (6) penetrate through each other.

4. The erasable blackboard for teaching children according to claim 1, characterized in that: the special-shaped sliding rail (7) is designed in an L shape, and the special-shaped sliding rail (7) is connected with the clamping block (14) in a sleeved mode.

5. The erasable blackboard for teaching children according to claim 1, characterized in that: the movable supporting rod (8) is connected with the sleeving rod (9) in a sleeving mode, the sleeving rod (9) is connected with the connecting wiping plate (11) in an integrated mode, and the connecting wiping plate (11) is attached to the inner wall of the concave groove (2).

6. The erasable blackboard for teaching children according to claim 1, characterized in that: the internal thread of the knob (10) is embedded with the external thread of the movable supporting rod (8), and the movable supporting rod (8) is connected with the telescopic rod (12) in a sleeved mode.