CN215868287U

CN215868287U - Lecture board for education and teaching

Info

Publication number: CN215868287U
Application number: CN202122242592.6U
Authority: CN
Inventors: 赖燕银
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-18
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a lecture board for education and teaching, which comprises an installation box body, wherein supporting rods are fixedly installed on two sides of the bottom of the installation box body, supporting plates are fixedly installed at the bottoms of the supporting rods, and installation plates are fixedly installed on two sides of the bottom of the supporting plates. According to the utility model, the supporting rods and the supporting plates are matched with each other to support and fix the installation box body, the stability of the installation box body is improved, the device is convenient to move under the matching of the installation plate and the moving wheels, the moving requirement of the device is greatly met, when the speech board body needs to rotate to adjust the use angle, the connecting rod is pressed upwards through the operation sheet, the connecting rod drives the rectangular clamping plate to be separated from the inside of the rectangular clamping groove, at the moment, the second bevel gear and the first bevel gear are separated and are not meshed any more, and meanwhile, the problem that the existing speech board does not have the function of flexibly adjusting the use angle and cannot meet the use requirement in actual use is solved.

Description

Lecture board for education and teaching

Technical Field

The utility model relates to the technical field of speech boards, in particular to a speech board for education and teaching.

Background

The speech is also called a lecture or a speech, which means that in public occasions, vocal language is used as a main means, physical language is used as an auxiliary means, own opinions and advices are clearly and completely published aiming at a specific problem, a theory or an expression emotion is clarified, and a language intercourse activity of propaganda and encouragement is carried out.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a speech board for education and teaching, which has the advantage of adjusting the use angle and solves the problem that the existing speech board does not have the function of flexibly adjusting the use angle and cannot meet the use requirement in practical use.

In order to achieve the purpose, the utility model provides the following technical scheme: a speech board for education and teaching comprises an installation box body, wherein supporting rods are fixedly installed on two sides of the bottom of the installation box body, a supporting plate is fixedly installed on the bottom of each supporting rod, installation plates are fixedly installed on two sides of the bottom of each supporting plate, moving wheels are arranged between the installation plates, a speech board body is arranged above the installation box body, a rotating rod is fixedly installed on the bottom of the speech board body, the bottom of the rotating rod penetrates through the top of the installation box body and extends into the installation box body, a first bevel gear is fixedly installed on the surface of the rotating rod, a telescopic rod is fixedly installed at the top of an inner cavity of the installation box body and is positioned on the right side of the rotating rod, a spring is fixedly installed at the top of the inner cavity of the installation box body, the telescopic rod is positioned inside the spring, and a second bevel gear is fixedly installed at the bottom of the telescopic rod, the bottom of spring and the top fixed connection of second conical gear, the left side and the meshing of first conical gear of second conical gear, the bottom fixed mounting of second conical gear has the connecting block, the bottom fixed mounting of connecting block has the second bearing, the bottom of second bearing is provided with the connecting rod, the fixed surface of connecting rod installs the rectangle cardboard, the rectangle draw-in groove has been seted up to the bottom of installation box, rectangle cardboard joint in the inside of rectangle draw-in groove.

Preferably, the both sides of speech board body bottom are equal fixed mounting have the gag lever post, annular spacing spout has been seted up at the top of installation box, the bottom of gag lever post is located the inside of annular spacing spout and with annular spacing spout sliding connection.

Preferably, the top fixed mounting of installation box has the spacing ring, the dwang runs through the spacing ring and rotates with the spacing ring and be connected.

Preferably, the bottom of installation box inner chamber fixed mounting has first bearing, the bottom of dwang is located the inside of first bearing and with first bearing swivelling joint.

Preferably, the bottom of the connecting rod is fixedly provided with an operating piece, and the operating piece is semicircular.

Preferably, the surface of the moving wheel is provided with an anti-skid leather pad.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model is used for supporting and fixing the installation box body by arranging the supporting rods and the supporting plates to be matched with each other, the stability of the installation box body is improved, the device is convenient to move by matching the installation plate and the moving wheels, the moving requirement of the device is greatly met, when the speech board body needs to rotate and adjust the use angle, the connecting rod is pressed upwards by the operating sheet, the connecting rod drives the rectangular clamping plate to be separated from the inside of the rectangular clamping groove, the second conical gear and the first conical gear are separated and not meshed any more, when the rectangular clamping plate is separated from the rectangular clamping groove, the operating sheet is rotated, and then the rectangular clamping plate can also rotate to enable the rectangular clamping plate to be clamped at the top of the rectangular clamping groove, the speech board body can be rotated to adjust the use angle of the speech board body, after the adjustment is finished, the operating sheet is rotated again, and the rectangular clamping plate is flicked under the action of the spring, make rectangle cardboard card go into the inside of rectangle draw-in groove, and then make second conical gear card on first conical gear's right side and first conical gear meshing, played fixed effect to the bull stick, improve the steadiness of speech plate body, solved current speech plate simultaneously and did not possess the function of nimble regulation application angle, the problem that can not satisfy the user demand in the in-service use.

2. The utility model is used for limiting the speech board body by arranging the limiting rod and the annular limiting chute to be matched with each other, so that the speech board body is prevented from deviating during rotation, the rotating rod is limited by arranging the limiting ring, the rotating rod is prevented from deviating, the rotating rod is limited by arranging the first bearing, the rotating rod is prevented from deviating during rotation, the stability of the rotating rod during rotation is improved, and the connecting rod is convenient to rotate and press by arranging the operating piece.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

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

fig. 4 is a partial enlarged view of the utility model at a in fig. 2.

In the figure: 1. installing a box body; 2. a support bar; 3. a support plate; 4. mounting a plate; 5. a moving wheel; 6. a speech board body; 7. rotating the rod; 8. a limiting rod; 9. an annular limiting chute; 10. a limiting ring; 11. a first bevel gear; 12. a first bearing; 13. a telescopic rod; 14. a spring; 15. a second bevel gear; 16. an operation sheet; 17. connecting blocks; 18. a second bearing; 19. a rectangular clamping plate; 20. a connecting rod; 21. a rectangular clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a speech board for education and teaching comprises an installation box body 1, wherein support rods 2 are fixedly installed on both sides of the bottom of the installation box body 1, a support plate 3 is fixedly installed on the bottom of the support rods 2, mounting plates 4 are fixedly installed on both sides of the bottom of the support plate 3, moving wheels 5 are arranged between the mounting plates 4, a speech board body 6 is arranged above the installation box body 1, a rotating rod 7 is fixedly installed on the bottom of the speech board body 6, the bottom of the rotating rod 7 penetrates through the top of the installation box body 1 and extends into the installation box body 1, a first bevel gear 11 is fixedly installed on the surface of the rotating rod 7, a telescopic rod 13 is fixedly installed on the top of the inner cavity of the installation box body 1 and positioned at the right side of the rotating rod 7, a spring 14 is fixedly installed on the top of the inner cavity of the installation box body 1, the telescopic rod 13 is positioned inside the spring 14, and a second bevel gear 15 is fixedly installed at the bottom of the telescopic rod 13, the bottom of the spring 14 is fixedly connected with the top of the second bevel gear 15, the left side of the second bevel gear 15 is meshed with the first bevel gear 11, the bottom of the second bevel gear 15 is fixedly provided with a connecting block 17, the bottom of the connecting block 17 is fixedly provided with a second bearing 18, the bottom of the second bearing 18 is provided with a connecting rod 20, the surface of the connecting rod 20 is fixedly provided with a rectangular clamping plate 19, the bottom of the mounting box 1 is provided with a rectangular clamping groove 21, the rectangular clamping plate 19 is clamped inside the rectangular clamping groove 21, the mounting box 1 is supported and fixed by arranging the supporting rod 2 and the supporting plate 3 to be matched with each other, the stability of the mounting box 1 is improved, the device is convenient to move through the matching of the mounting plate 4 and the moving wheel 5, the moving requirement of the device is greatly met, when the speech board body 6 needs to rotate to adjust the use angle, the connecting rod 20 is pressed upwards through the operating sheet 16 at first, the connecting rod 20 drives the rectangular clamping plate 19 to be separated from the inside of the rectangular clamping groove 21, at this time, the second bevel gear 15 and the first bevel gear 11 are separated and are not meshed any more, when the rectangular clamping plate 19 is separated from the rectangular clamping groove 21, the operation sheet 16 is rotated, and then the rectangular clamping plate 19 is also rotated to enable the rectangular clamping plate 19 to be clamped at the top of the rectangular clamping groove 21, so that the use angle of the speech board body 6 can be adjusted by rotating the speech board body 6, after the adjustment is finished, the operation sheet 16 is rotated again, the rectangular clamping plate 19 is bounced open under the action of the spring 14, so that the rectangular clamping plate 19 is clamped inside the rectangular clamping groove 21, and further the second bevel gear 15 is clamped at the right side of the first bevel gear 11 and meshed with the first bevel gear 11, so as to fix the rotating rod 7 and improve the stability of the speech board body 6, and both sides of the bottom of the speech board body 6 are fixedly provided with the limiting rods 8, the top of the installation box body 1 is provided with an annular limiting chute 9, the bottom of the limiting rod 8 is positioned inside the annular limiting chute 9 and is in sliding connection with the annular limiting chute 9, the limiting rod 8 and the annular limiting chute 9 are arranged to be matched with each other for limiting the speech board body 6, the speech board body 6 is prevented from deviating during rotation, the top of the installation box body 1 is fixedly provided with a limiting ring 10, the rotating rod 7 penetrates through the limiting ring 10 and is in rotating connection with the limiting ring 10, the limiting ring 10 is arranged for limiting the rotating rod 7, the deviation of the rotating rod 7 is prevented, the bottom of the inner cavity of the installation box body 1 is fixedly provided with a first bearing 12, the bottom of the rotating rod 7 is positioned inside the first bearing 12 and is in rotating connection with the first bearing 12, the first bearing 12 is arranged for limiting the rotating rod 7, and the rotating rod 7 is prevented from deviating during rotation, stability when dwang 7 rotates is improved, the bottom fixed mounting of connecting rod 20 has operation piece 16, and operation piece 16 semicircular in shape is convenient for rotate and press connecting rod 20 through setting up operation piece 16, removes the wheel 5 be provided with the antiskid leather packing on the surface.

When the speech board body 6 needs to rotate to adjust the use angle, the connecting rod 20 is pressed upwards through the operation sheet 16, the connecting rod 20 drives the rectangular clamping plate 19 to be separated from the inside of the rectangular clamping groove 21, the second bevel gear 15 and the first bevel gear 11 are separated and not meshed any more, when the rectangular clamping plate 19 is separated from the rectangular clamping groove 21, the operation sheet 16 is rotated, and then the rectangular clamping plate 19 can also rotate to enable the rectangular clamping plate 19 to be clamped at the top of the rectangular clamping groove 21, so that the speech board body 6 can be rotated to adjust the use angle of the speech board body 6, after the adjustment is finished, the operation sheet 16 is rotated again, spring open rectangular cardboard 19 under spring 14's effect for rectangular cardboard 19 card is gone into the inside of rectangular draw-in groove 21, and then makes second conical gear 15 card mesh with first conical gear 11 on the right side of first conical gear 11, has played fixed effect to the bull stick 7, improves the steadiness of speech plate body 6.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lecture board for education and teaching, is including installation box (1), its characterized in that: the speech board comprises an installation box body (1), supporting rods (2) are fixedly mounted on two sides of the bottom of the installation box body (1), a supporting plate (3) is fixedly mounted on the bottom of the supporting plate (2), an installation plate (4) is fixedly mounted on two sides of the bottom of the supporting plate (3), moving wheels (5) are arranged between the installation plates (4), a speech board body (6) is arranged above the installation box body (1), a rotating rod (7) is fixedly mounted on the bottom of the speech board body (6), the bottom of the rotating rod (7) penetrates through the top of the installation box body (1) and extends into the installation box body (1), a first bevel gear (11) is fixedly mounted on the surface of the rotating rod (7), a telescopic rod (13) is fixedly mounted on the top of the inner cavity of the installation box body (1) and is located on the right side of the rotating rod (7), and a spring (14) is fixedly mounted on the top of the inner cavity of the installation box body (1), the utility model discloses a portable power transmission box, including telescopic link (13), bottom fixed mounting of telescopic link (13) has second bevel gear (15), the top fixed connection of the bottom of spring (14) and second bevel gear (15), the left side and first bevel gear (11) meshing of second bevel gear (15), the bottom fixed mounting of second bevel gear (15) has connecting block (17), the bottom fixed mounting of connecting block (17) has second bearing (18), the bottom of second bearing (18) is provided with connecting rod (20), the fixed surface of connecting rod (20) installs rectangle cardboard (19), rectangle draw-in groove (21) have been seted up to the bottom of installation box (1), rectangle cardboard (19) joint in the inside of rectangle draw-in groove (21).

2. A speech board for educational teaching according to claim 1, wherein: the speech board is characterized in that limiting rods (8) are fixedly mounted on two sides of the bottom of the speech board body (6), annular limiting sliding grooves (9) are formed in the top of the mounting box body (1), and the bottoms of the limiting rods (8) are located inside the annular limiting sliding grooves (9) and are in sliding connection with the annular limiting sliding grooves (9).

3. A speech board for educational teaching according to claim 1, wherein: the top fixed mounting of installation box (1) has spacing ring (10), dwang (7) run through spacing ring (10) and rotate with spacing ring (10) and be connected.

4. A speech board for educational teaching according to claim 1, wherein: the bottom fixed mounting of installation box (1) inner chamber has first bearing (12), the bottom of dwang (7) is located the inside of first bearing (12) and rotates with first bearing (12) to be connected.

5. A speech board for educational teaching according to claim 1, wherein: the bottom of the connecting rod (20) is fixedly provided with an operation sheet (16), and the operation sheet (16) is semicircular.

6. A speech board for educational teaching according to claim 1, wherein: an anti-skid leather pad is arranged on the surface of the moving wheel (5).