CN213962265U

CN213962265U - Teaching is with platform of explaining

Info

Publication number: CN213962265U
Application number: CN202021928212.3U
Authority: CN
Inventors: 徐凤娟
Original assignee: Individual
Current assignee: Huangshi Mingde Education Consulting Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-08-17
Anticipated expiration: 2030-09-07

Abstract

The utility model relates to a teaching equipment technical field just discloses a platform is explained in teaching with explaining, the on-line screen storage device comprises a base, the top fixed mounting of base has quantity to be two support columns, two the equal swing joint in inside of support column has the connecting rod, two the top of connecting rod all with mesa fixed connection, two relative one side of support column all with install bin fixed connection, the top fixed mounting of install bin has the motor, and the output fixed mounting of motor has the first gear that runs through and extend to the install bin inside, the lateral wall all rotates about the inner chamber of install bin and is connected with the screw pole, two the equal fixed mounting in relative one side of screw pole has the second gear with first gear engaged with. This platform of explaining for teaching possesses the strong advantage of suitability, has solved most formula as an organic whole of current platform of explaining, and difficult height-adjusting, the suitability is relatively poor, can not be applicable to the teacher of different heights, greatly reduced the problem of the travelling comfort of teacher's lecture.

Description

Teaching is with platform of explaining

Technical Field

The utility model relates to a teaching equipment technical field specifically is a platform is explained in teaching with explaining.

Background

The platform refers to a platform higher than the ground, a lecturer or a lecturer stands on the platform and also is a proper noun of a teacher, an educator carries out teaching and cultivation on the mental development of the educated person according to laws, regulations and industrial specifications and according to school conditions and titles in a purposeful and organized way, the traditional experience and the learning knowledge are used for the educated person to explain various phenomena or behaviors so as to improve the practical ability and the force, and the platform is needed to be used at this time.

The Xuan podium on the market has simple structure's advantage at present, but the most formula as an organic whole that all is of current Xuan podium, and difficult height-adjusting, the suitability is relatively poor, can not be applicable to the teacher of different heights, greatly reduced the travelling comfort that the teacher lectured, so propose a teaching with the platform of explaining and solve the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a platform is explained with propaganda to teaching possesses the strong advantage of suitability, has solved the most formula as an organic whole as much as current platform of propaganda, is difficult for height-adjusting, and the suitability is relatively poor, can not be applicable to the teacher of different heights, greatly reduced the problem of the travelling comfort of teacher's lecture.

(II) technical scheme

For the purpose that realizes above-mentioned suitability is strong, the utility model provides a following technical scheme: a teaching platform for teaching comprises a base, wherein two support columns are fixedly arranged at the top end of the base, connecting rods are movably connected inside the two support columns, the top ends of the two connecting rods are fixedly connected with a table board, the opposite sides of the two support columns are fixedly connected with an installation box, a motor is fixedly arranged at the top end of the installation box, a first gear which penetrates through and extends into the installation box is fixedly arranged at the output end of the motor, screw rods are rotatably connected to the left side wall and the right side wall of an inner cavity of the installation box respectively, a second gear which is meshed with the first gear is fixedly arranged at the opposite sides of the two screw rods, shaft sleeves are respectively and fixedly connected with the outer parts of the two screw rods in a threaded manner, movable rods with one ends penetrating through and extending to the top end of the installation box are respectively and fixedly arranged at the top ends of the two shaft sleeves, and the opposite sides of the two connecting rods are respectively and fixedly connected with a fixed rod, the bottom fixed mounting of dead lever has the pivot, the inside rotation of pivot is connected with quantity and is two the bracing piece, two the other end of bracing piece rotates respectively to be connected in two the top of movable rod, fixed mounting is located right-hand between install bin and the dead lever the stop gear in bracing piece right side.

Preferably, the bottom of the inner cavity of the installation box is provided with a sliding groove, and the bottom of the shaft sleeve is fixedly provided with a sliding block matched with the sliding groove.

Preferably, two the cavity has all been seted up to the inside of support column, and the inside swing joint of cavity has the connecting rod, and the bottom fixed mounting of connecting rod has the rectangle piece that is located the cavity inside.

Preferably, stop gear includes electric putter, the top fixed mounting of install bin has right-hand be located the electric putter in bracing piece right side, electric putter's output fixed mounting has first gag lever post, and the left end fixed mounting of first gag lever post has quantity to be two stoppers, the bottom fixed mounting of dead lever has the second gag lever post that is located between pivot and the first gag lever post, the spacing groove with stopper looks adaptation is seted up to the right-hand member of second gag lever post.

Preferably, the number of the limiting grooves is not less than eight, and the limiting grooves are equidistantly distributed at the right end of the second limiting rod.

Preferably, the equal fixed mounting of lateral wall has the bearing, two about the inner chamber of install bin the inside screw pole that all rotates of bearing is connected with.

(III) advantageous effects

Compared with the prior art, the utility model provides a platform is explained in teaching with explaining possesses following beneficial effect:

when the teaching platform is used, if the height of the teaching platform needs to be increased, the motor can be started to rotate forwards, the output end of the motor drives the first gear to rotate, when the first gear rotates, the second gear meshed with the first gear also rotates along with the first gear, at the moment, the second gear can drive the screw rod to rotate, the shaft sleeve outside the screw rod can move towards one side direction of the motor, at the moment, the included angle between the two supporting rods is reduced, at the moment, the platform surface can ascend, when the platform surface rises to a target height, the platform surface can be limited by the limiting mechanism, the phenomenon that the platform surface shakes is avoided, when the height of the teaching platform needs to be reduced, the electric push rod is started, the output end of the electric push rod can drive the first limiting rod to move rightwards, so that the limiting block is separated from the limiting groove, and at the same time, the motor can be started to rotate backwards, contained angle meeting grow between two bracing pieces this moment, the mesa will descend, can restart electric putter for electric putter drives the stopper and carries out the joint with the spacing groove once more, and the teacher of the different heights of being convenient for has possessed the strong advantage of suitability to the use of propaganda podium.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a front view of the present invention.

In the figure: 1. a base; 2. a support pillar; 3. a connecting rod; 4. a table top; 5. installing a box; 6. an electric motor; 7. a first gear; 8. a screw shaft; 9. a second gear; 10. a shaft sleeve; 11. a movable rod; 12. fixing the rod; 13. a rotating shaft; 14. a support bar; 16. a limiting mechanism; 161. an electric push rod; 162. a first limit rod; 163. a limiting block; 164. a second limiting rod; 165. a limiting groove.

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. 1-3, a teaching platform comprises a base 1, two support columns 2 are fixedly mounted at the top end of the base 1, cavities are formed in the two support columns 2, connecting rods 3 are movably connected in the cavities, rectangular blocks located in the cavities are fixedly mounted at the bottom ends of the connecting rods 3, the connecting rods 3 are movably connected in the two support columns 2, the top ends of the connecting rods 3 are fixedly connected with a table top 4, one opposite sides of the two support columns 2 are fixedly connected with an installation box 5, bearings are fixedly mounted on the left side wall and the right side wall of an inner cavity of the installation box 5, screw rods 8 are rotatably connected in the two bearings, sliding grooves are formed in the bottom end of the inner cavity of the installation box 5, sliding blocks matched with the sliding grooves are fixedly mounted at the bottom ends of two shaft sleeves 10, a motor 6 is fixedly mounted at the top end of the installation box 5, a first gear 7 penetrating through and extending into the installation box 5 is fixedly mounted at the output end of the motor 6, the left side wall and the right side wall of the inner cavity of the installation box 5 are both rotatably connected with screw rods 8, the opposite sides of the two screw rods 8 are both fixedly provided with a second gear 9 meshed with the first gear 7, the outer parts of the two screw rods 8 are both in threaded connection with shaft sleeves 10, the top ends of the two shaft sleeves 10 are both fixedly provided with movable rods 11, one ends of the movable rods 11 penetrate through and extend to the top ends of the installation box 5, the opposite sides of the two connecting rods 3 are both fixedly connected with a fixed rod 12, the bottom end of the fixed rod 12 is fixedly provided with a rotating shaft 13, the rotating shaft 13 is internally and rotatably connected with two supporting rods 14, the other ends of the two supporting rods 14 are respectively and rotatably connected with the top ends of the two movable rods 11, a limiting mechanism 16 positioned at the right side of the right supporting rod 14 is fixedly arranged between the installation box 5 and the fixed rod 12, the limiting mechanism 16 comprises an electric push rod 161, the top end of the installation box 5 is fixedly provided with an electric push rod 161 positioned at the right side of the right supporting rod 14, the output end of the electric push rod 161 is fixedly provided with a first limiting rod 162, the left end of the first limiting rod 162 is fixedly provided with two limiting blocks 163, the bottom end of the fixed rod 12 is fixedly provided with a second limiting rod 164 positioned between the rotating shaft 13 and the first limiting rod 162, the right end of the second limiting rod 164 is provided with a limiting groove 165 matched with the limiting blocks 163, the number of the limiting grooves 165 is not less than eight, the limiting grooves 165 are equidistantly distributed at the right end of the second limiting rod 164, when the platform is used, if the height of the platform is required to be raised, the motor 6 can be started to rotate forwards, the output end of the motor 6 drives the first gear 7 to rotate, when the first gear 7 rotates, the second gear 9 meshed with the first gear 7 rotates along with the limiting groove, at the moment, the second gear 9 can drive the screw rod 8 to rotate, and the shaft sleeve 10 outside the screw rod 8 can move towards one side of the motor 6, the contained angle between two bracing pieces 14 will diminish this moment, mesa 4 just can rise this moment, when rising to the target height, can carry on spacingly to it through stop gear 16 this moment, avoid appearing the phenomenon that mesa 4 rocked, when the height of the platform of propaganda is reduced to needs, start electric putter 161, electric putter 161's output can drive first gag lever post 162 and move right, make stopper 163 and spacing groove 165 both separate, can start motor 6 reversal simultaneously, contained angle between two bracing pieces 14 can the grow this moment, mesa 4 will descend, can start electric putter 161 once more, make electric putter 161 drive stopper 163 carry out the joint with spacing groove 165 once more, the teacher of being convenient for different heights is to the use of platform of propaganda, the advantage that the suitability is strong has been possessed.

To sum up, when the teaching platform is used, if the height of the teaching platform needs to be raised, the motor 6 can be started to rotate forwardly, the output end of the motor 6 drives the first gear 7 to rotate, when the first gear 7 rotates, the second gear 9 meshed with the first gear 7 rotates along with the first gear, at the moment, the second gear 9 can drive the screw rod 8 to rotate, the shaft sleeve 10 outside the screw rod 8 can move towards one side of the motor 6, at the moment, the included angle between the two support rods 14 becomes smaller, at the moment, the platform surface 4 can ascend, when the platform surface rises to a target height, the platform surface can be limited by the limiting mechanism 16, the phenomenon that the platform surface 4 shakes is avoided, when the height of the teaching platform needs to be lowered, the electric push rod 161 is started, the output end of the electric push rod 161 can drive the first limiting rod 162 to move rightwards, so that the limiting block 163 is separated from the limiting groove 165, can the starting motor 6 reversal simultaneously, contained angle meeting grow between two bracing pieces 14 this moment, mesa 4 will descend, can restart electric putter 161 again, make electric putter 161 drive stopper 163 carry out the joint with spacing groove 165 once more, the teacher of the different heights of being convenient for is to the use of propaganda podium, the advantage that the suitability is strong has been possessed, the most formula as an organic whole that is all as much of current propaganda podium has been solved, difficult height-adjusting, the suitability is relatively poor, can not be applicable to the teacher of different heights, greatly reduced the problem of the travelling comfort of teacher's lecture.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 teaching is with xuan podium, includes base (1), its characterized in that: the top fixed mounting of base (1) has support column (2) that quantity is two, two the equal swing joint in inside of support column (2) has connecting rod (3), two the top of connecting rod (3) all with mesa (4) fixed connection, two the relative one side of support column (2) all with install bin (5) fixed connection, the top fixed mounting of install bin (5) has motor (6), the output fixed mounting of motor (6) has and runs through and extend to the inside first gear (7) of install bin (5), the inner chamber left and right sides lateral wall of install bin (5) all rotates and is connected with screw pole (8), the relative one side of two screw pole (8) all fixed mounting have with first gear (7) engaged with second gear (9), the equal threaded connection in outside of two screw pole (8) has axle sleeve (10), two the equal fixed mounting in top of axle sleeve (10) has one end to run through and extend to movable rod (11) on install bin (5) top, two relative one side of connecting rod (3) all with dead lever (12) fixed connection, the bottom fixed mounting of dead lever (12) has pivot (13), pivot (13) internal rotation is connected with quantity for two bracing piece (14), two the other end of bracing piece (14) rotates respectively to be connected in two the top of movable rod (11), fixed mounting is located right-hand between install bin (5) and dead lever (12) the stop gear (16) in bracing piece (14) right side.

2. A teaching aid as claimed in claim 1, wherein: the bottom end of the inner cavity of the installation box (5) is provided with a sliding groove, and the bottom ends of the shaft sleeves (10) are fixedly provided with sliding blocks matched with the sliding grooves.

3. A teaching aid as claimed in claim 1, wherein: two the cavity has all been seted up to the inside of support column (2), and the inside swing joint of cavity has connecting rod (3), and the bottom fixed mounting of connecting rod (3) has the rectangular block that is located the cavity inside.

4. A teaching aid as claimed in claim 1, wherein: stop gear (16) include electric putter (161), the top fixed mounting of install bin (5) has and is located right-hand electric putter (161) in bracing piece (14) right side, and the output fixed mounting of electric putter (161) has first gag lever post (162), and the left end fixed mounting of first gag lever post (162) has stopper (163) that quantity is two, the bottom fixed mounting of dead lever (12) has second gag lever post (164) that is located between pivot (13) and first gag lever post (162), spacing groove (165) with stopper (163) looks adaptation are seted up to the right-hand member of second gag lever post (164).

5. A teaching platform according to claim 4, wherein: the number of the limiting grooves (165) is not less than eight, and the limiting grooves (165) are equidistantly distributed at the right end of the second limiting rod (164).

6. A teaching aid as claimed in claim 1, wherein: the equal fixed mounting of lateral wall has the bearing, two about the inner chamber of install bin (5) the inside screw pole (8) that all rotates of bearing is connected with.