CN213082772U

CN213082772U - Blackboard for student guidance with height adjusting function

Info

Publication number: CN213082772U
Application number: CN202021693551.8U
Authority: CN
Inventors: 陈芳; 李婷; 周杰伟
Original assignee: Changsha Vocational and Technical College
Current assignee: Changsha Vocational and Technical College
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-30
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to the technical field of teaching articles, in particular to a blackboard for student guidance with height adjusting function, which comprises a blackboard body, wherein a stand column is arranged at the middle position at the rear part of the blackboard body, a chute is arranged at the front end position of the stand column, a lead screw is arranged in the chute, a worm wheel is arranged above the lead screw, a support plate is tightly welded on the outer wall at one side of the stand column, a lifting motor is arranged at the top of the support plate, the tail end of an output shaft of the lifting motor penetrates through the outer wall of the stand column and extends into the stand column, a worm meshed with the worm wheel is arranged at the tail end of the output shaft of the lifting motor, a slide seat is fixed at the rear end surface of the blackboard body, a lug is integrally formed at the position of the slide seat close to the middle position of the stand column and is fixed in the chute, the lug is, thereby changing the height of the blackboard body from the ground and facilitating the tutor to write.

Description

Blackboard for student guidance with height adjusting function

Technical Field

The utility model relates to a teaching articles for use technical field specifically is a blackboard is used in student's guidance with altitude mixture control function.

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 boards or ground glass and the like, and can be written on by using specific writing materials such as chalks and the like; mostly black, greenish black, white or beige. The existing blackboard is fixed on the wall surface, when a teacher with a short height cannot write on the top surface of the blackboard, so that the writing place is small, when the writing amount is large, the blackboard needs to be continuously erased, and the teaching time is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a student is tutored and is used blackboard with altitude mixture control function to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a blackboard with height adjusting function for student guidance comprises a blackboard body, wherein a stand column is arranged at the rear middle position of the blackboard body, a sliding groove is formed in the front end of the stand column, a limiting block is installed at the top end of the stand column, a base is fixedly welded to the lower bottom surface of the stand column, a lead screw is arranged in the sliding groove, a worm wheel is installed above the lead screw, a support plate is tightly welded to the outer wall of one side of the stand column, a lifting motor is installed at the top of the support plate, the tail end of an output shaft of the lifting motor penetrates through the outer wall of the stand column and extends into the stand column, a worm meshed with the worm wheel is installed at the tail end of the output shaft of the lifting motor, a sliding seat is fixed to the rear end face of the blackboard body, a convex block is arranged at the position of the, the lug is in threaded connection with the sliding groove.

Preferably, a shelf is fixed at the bottom end of the blackboard body, and a writing board is arranged on the front end face of the blackboard body.

Preferably, a supporting device is arranged below the shelf, the supporting device comprises two supporting seats with the same size, and anti-slip pads are arranged on the lower bottom surfaces of the supporting seats.

Preferably, a lower sleeve is connected to the upper portion of each support, an upper sleeve is arranged above each lower sleeve, the lower sleeves are in sleeve fit with the upper sleeves, and the size of each lower sleeve is larger than that of each upper sleeve.

Preferably, a connecting rod is connected between the two lower sleeves, and a plurality of fixing blocks are connected between the connecting rod and the base.

Preferably, elastic bands are fixed on two sides of the upright post and two sides of the sliding seat.

Preferably, the shape and size of the projection are matched with those of the sliding groove, a through hole with the same size as the screw rod is formed in the projection, and the screw rod is connected with the projection in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that: this blackboard for student guidance with altitude mixture control function sets up the stand through at blackboard main part rear, elevator motor in the stand goes up and down to the blackboard body with the lead screw cooperation, thereby change the height that the blackboard body leaves ground, make things convenient for the tutor to write, it all fixes on the wall to have solved present blackboard, when writing, the shorter mr of some heights can not write at the top surface of blackboard, the place that leads to writing is less, when writing the volume is great, the blackboard of wiping that need not stop, the problem of the time of giving lessons is influenced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the back side structure of the blackboard body of the present invention;

FIG. 3 is a schematic structural view of the middle sliding seat of the present invention;

fig. 4 is a schematic structural view of the screw rod of the present invention;

fig. 5 is a schematic structural diagram of the middle motor of the present invention.

In the figure: 1. a blackboard body; 11. a shelf; 12. a writing board; 2. a column; 21. a chute; 211. a screw rod; 212. a worm gear; 22. a limiting block; 23. a base; 24. a slide base; 241. a bump; 25. a support plate; 26. a lifting motor; 261. a worm; 27. elastic bands; 3. a support device; 31. a support; 311. a non-slip mat; 32. setting a sleeve; 321. sleeving a sleeve; 4. a connecting rod; 41. and (5) fixing blocks.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a student tutor uses blackboard with altitude mixture control function, including blackboard body 1, blackboard body 1's rear intermediate position department is equipped with stand 2, spout 21 has been seted up to stand 2's front end position, stopper 22 is installed on stand 2's top, stand 2's lower bottom surface welded fastening has base 23, be equipped with lead screw 211 in the spout 21, worm wheel 212 is installed to lead screw 211's top, one side outer wall of stand 2 has closely welded extension board 25, elevator motor 26 is installed at extension board 25's top, elevator motor 26's output shaft end runs through stand 2's outer wall and stretches into stand 2's inside, elevator motor 26's output shaft end is installed and is had worm 261 with worm wheel 212 intermeshing, blackboard body 1's rear end face is fixed with slide 24, slide 24 is close to stand 2 intermediate position department integrated into one piece and is equipped with lug 241, lug 241 is fixed in spout 21's inside.

In this embodiment, blackboard body 1's bottom mounting has shelf 11, and teaching articles such as blackboard eraser and chalk can be placed to shelf 11, and blackboard body 1's preceding terminal surface is equipped with clipboard 12, and the teacher of conveniently instructing writes on blackboard body 1 and imparts knowledge to students.

Furthermore, a supporting device 3 is arranged below the shelf 11, the supporting device 3 comprises two supporting seats 31 with the same size, and the anti-slip pads 311 are arranged on the lower bottom surfaces of the supporting seats 31, so that the stability of the device is improved.

Specifically, the upper side of each support 31 is connected with a lower sleeve 32, the upper side of the lower sleeve 32 is provided with an upper sleeve 321, the lower sleeve 32 is in sleeve fit with the upper sleeve 321, the size of the lower sleeve 32 is larger than that of the upper sleeve 321, and when the blackboard body 1 is lifted, the upper sleeve 321 is in clearance fit with the lower sleeve 32 along with the lifting height, so that the whole device is more reasonable.

Still further, a connecting rod 4 is connected between the two lower sleeves 32, and a plurality of fixing blocks 41 are connected between the connecting rod 4 and the base 23 to fix the upright column 2 and the supporting device 3 together, so that the device has more stability.

In addition, elastic bands 27 are fixed to both sides of the column 2 and both sides of the slider 24, and after the blackboard body 1 is lifted, the whole blackboard body 1 is stretched, so that the blackboard body 1 is more stable when a tutor writes a writing on the blackboard body 1.

It is worth noting that the shape and size of the convex block 241 is matched with that of the sliding groove 21, a through hole with the size equal to that of the screw rod 211 is formed in the convex block 241, and the screw rod 211 is in sliding connection with the convex block 241, so that the whole device is more complete.

The student that has height adjustment function of this embodiment tutor uses blackboard when using, tutor mr is with elevator motor 26 switch on, make elevator motor 26 drive worm 261 and rotate, because worm 261 and the worm wheel 212 intermeshing on the lead screw 211, make worm 261 drive worm wheel 212 when rotating and rotate, thereby it begins to rotate to drive lead screw 211, lead screw 211 and lug 241 threaded connection, lug 241 is elevating movement on lead screw 211, and simultaneously, lug 241 is the integrated into one piece structure with slide 24, and the other end of slide 24 is fixed on blackboard body 1, thereby make blackboard body 1 go up and down on lead screw 211, change blackboard body 1 from the height on ground, conveniently tutor the teacher writes and imparts knowledge to students, the integrated device is comparatively stable, and is convenient for use.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a student is tutor and is used blackboard with altitude mixture control function, includes blackboard body (1), its characterized in that: the blackboard comprises a blackboard body (1), wherein an upright post (2) is arranged at the middle position of the rear part of the blackboard body (1), a sliding groove (21) is formed in the front end of the upright post (2), a limiting block (22) is installed at the top end of the upright post (2), a base (23) is welded and fixed on the lower bottom surface of the upright post (2), a screw rod (211) is arranged in the sliding groove (21), a worm wheel (212) is installed above the screw rod (211), a support plate (25) is tightly welded on the outer wall of one side of the upright post (2), a lifting motor (26) is installed at the top of the support plate (25), the tail end of an output shaft of the lifting motor (26) penetrates through the outer wall of the upright post (2) and stretches into the inside of the upright post (2), a worm (261) meshed with the worm wheel (212) is installed at the tail end of the, slide (24) are close to stand (2) intermediate position department integrated into one piece is equipped with lug (241), lug (241) are fixed the inside of spout (21), lug (241) with spout (21) threaded connection.

2. The blackboard with height adjustment function for student coaching according to claim 1, characterized in that: the blackboard is characterized in that a shelf (11) is fixed at the bottom end of the blackboard body (1), and a writing board (12) is arranged on the front end face of the blackboard body (1).

3. The blackboard with height adjustment function for student coaching according to claim 2, characterized in that: the novel shelf is characterized in that a supporting device (3) is arranged below the shelf (11), the supporting device (3) comprises two supports (31) with the same size, and anti-skid pads (311) are arranged on the lower bottom surfaces of the supports (31).

4. The blackboard with height adjustment function for student coaching according to claim 3, characterized in that: each lower sleeve (32) is connected to the upper portion of the support (31), an upper sleeve (321) is arranged above the lower sleeve (32), the lower sleeve (32) is in sleeve fit with the upper sleeve (321), and the size of the lower sleeve (32) is larger than that of the upper sleeve (321).

5. The blackboard with height adjustment function for student coaching according to claim 4, characterized in that: a connecting rod (4) is connected between the two lower sleeves (32), and a plurality of fixing blocks (41) are connected between the connecting rod (4) and the base (23).

6. The blackboard with height adjustment function for student coaching according to claim 1, characterized in that: elastic bands (27) are fixed on two sides of the upright post (2) and two sides of the sliding seat (24).

7. The blackboard with height adjustment function for student coaching according to claim 1, characterized in that: the shape and size of the lug (241) are matched with that of the sliding groove (21), a through hole with the size equal to that of the screw rod (211) is formed in the lug (241), and the screw rod (211) is connected with the lug (241) in a sliding mode.