Classroom platform with seat function

Abstract

The classroom platform with the seat function comprises a platform body, a seat groove is formed in the rear side face of the platform body, a bottom plate is connected into the seat groove in a sliding mode, a seat plate is arranged above the bottom plate, and a lifting rotating assembly for driving the seat plate to lift and rotate is arranged between the bottom plate and the seat plate. A leg support and a backrest are hinged to the front end and the rear end of the seat plate through a second rotating shaft and a first rotating shaft respectively, a first worm and gear reducer and a second worm and gear reducer are arranged on the lower side face of the seat plate, and a first rotating motor and a second rotating motor are arranged on the lower side face of the seat plate; an output shaft of the first rotating motor is connected with a first worm gear reducer, an output shaft of the second rotating motor is connected with a second worm gear reducer, and a controller is arranged on the upper side face of the table body. A displacement assembly for driving the bottom plate to move back and forth is arranged in the table body; the chair has the advantage of supporting the waist and the legs of a user at multiple angles.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of classroom podium, and relates to a classroom podium with seat function. BACKGROUND

[0002] The podium refers to the table higher than the ground, which provides a place for the person to place articles for teaching or speaking. The classroom podium is a common educational auxiliary appliance placed in front of the blackboard in the classroom. The podium in the classroom is commonly used for placing chalks, blackboard erasers, teaching materials and some educational auxiliary articles. Sometimes, the teacher directly demonstrates the course experiment on the podium, and even sometimes sits in front of the podium to work, such as preparing lessons and checking homework.

[0003] The Chinese utility model patent with the authorized announcement number CN216875474U discloses a carrying automatic telescopic seat type podium, which comprises a table body, a telescopic column is slidably connected to the table body, a supporting column is fixedly connected to the telescopic column, a sliding plate is slidably connected to the supporting column, and a limiting device matched with the sliding plate is arranged on the supporting column. A seat is liftably connected to the sliding plate. The technical scheme can adjust the seat, and the limiting mechanism can limit the seat to prevent the seat from sliding randomly when the user uses it. However, the technical scheme cannot support and adjust the angle of the teacher's legs and back, which may be inconvenient when used. UTILITY MODEL CONTENT

[0004] In view of the above problems, the utility model provides a classroom podium with seat function, which solves the problems in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a classroom podium with seat function, comprising a table body, a seat groove is formed in the rear side of the table body, a bottom plate is slidably connected in the seat groove, a seat plate is arranged above the bottom plate, a lifting and rotating assembly for driving the seat plate to lift and rotate is arranged between the bottom plate and the seat plate, a leg rest and a backrest are hingedly connected to the seat plate through a second rotating shaft and a first rotating shaft at the front and rear ends of the seat plate, a first worm gear reducer and a second worm gear reducer are arranged on the lower side of the seat plate, the output shaft of the first worm gear reducer is synchronously rotated with the first rotating shaft through a synchronous belt, the output shaft of the second worm gear reducer is synchronously rotated with the second rotating shaft through a synchronous belt, a first rotating motor and a second rotating motor are arranged on the lower side of the seat plate, the output shaft of the first rotating motor is connected with the first worm gear reducer, and the output shaft of the second rotating motor is connected with the second worm gear reducer; a controller is arranged on the upper side of the table body, and the first rotating motor and the second rotating motor are electrically connected with the controller.

[0006] A displacement assembly for driving the bottom plate to move forward and backward is arranged in the table body.

[0007] Further, the lifting and rotating assembly comprises an electric telescopic rod arranged on the upper side of the bottom plate, a rotating base arranged on the lower side of the seat plate, and a mounting base rotatably connected to the rotating base, and the output end of the electric telescopic rod is fixedly connected to the mounting base.

[0008] Further, two screw grooves are symmetrically arranged on the left and right sides of the lower end of the seat groove, the displacement assembly comprises two screws rotatably connected to the front and rear sides of the two screw grooves respectively, two motor cavities are symmetrically arranged on the rear side of the table body, the front end of each screw extends through the table body and into the motor cavity, a screw motor is arranged in each motor cavity, the output shaft of the screw motor is connected to one of the screws, a synchronous belt is arranged between the two screws to synchronously rotate, and the screw motor is electrically connected to the controller.

[0009] Further, the bottom plate is slidably connected to the screw grooves on the left and right sides and is threadedly connected to the two screws, a pulley groove is arranged on the lower side of the bottom plate, and pulleys are rotatably connected to the front and rear ends of the left and right sides of the pulley groove.

[0010] Further, two groups of drawer cavities are symmetrically arranged on the rear side of the table body, each group of the drawer cavities comprises two drawers arranged above and below, and the drawers are slidably connected to the drawer cavities.

[0011] Further, sponge pads are arranged on the front side of the leg rest and the backrest and on the upper side of the seat plate.

[0012] Further, cabinet doors are hingedly connected to the motor cavities on the rear side of the table body.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The first rotating shaft, the second rotating shaft, the first rotating motor, the second rotating motor, the first worm and gear reducer and the second worm and gear reducer are used for adjusting the angle of the leg rest and the backrest, improving the comfort of the teacher when using the seat, the lifting and rotating assembly is used for adjusting the height and the angle of the seat to adapt to the use of the seat under different conditions, improving the practicability of the seat, the displacement assembly is used for folding and unfolding the seat, and the convenience of the teacher when using the seat is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a sectional view of A-A part of the utility model; Figure 1 ​

[0017] Figure 3 This is a rear view of the present invention.

[0018] In the diagram: 1. Platform; 101. Motor cavity; 102. Drawer cavity; 103. Lead screw groove; 104. Seat groove; 2. Base plate; 201. Pulley groove; 3. Seat plate; 4. Backrest; 5. First rotating shaft; 6. Second rotating shaft; 7. First worm gear reducer; 8. Second worm gear reducer; 9. First rotating motor; 10. Second rotating motor; 11. Rotating seat; 12. Mounting seat; 13. Electric telescopic rod; 14. Lead screw; 15. Lead screw motor; 16. Pulley; 17. Drawer; 18. Sponge pad; 19. Cabinet door; 20. Controller; 21. Leg rest. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] like Figures 1-3 As shown, a classroom podium with seating function includes a platform body 1. A seat groove 104 is provided on the rear side of the platform body 1. A base plate 2 is slidably connected in the seat groove 104. A seat plate 3 is provided above the base plate 2. A lifting and rotating assembly for driving the seat plate 3 to rise and rotate is provided between the base plate 2 and the seat plate 3. Leg supports 21 and backrests 4 are hinged to the front and rear ends of the seat plate 3 through a second rotating shaft 6 and a first rotating shaft 5, respectively. A first worm gear reducer 7 and a second worm gear reducer 8 are bolted to the lower side of the seat plate 3. The first worm gear reducer 7... The output shaft rotates synchronously with the first rotating shaft 5 via a synchronous belt. The output shaft of the second worm gear reducer 8 rotates synchronously with the second rotating shaft 6 via a synchronous belt. The first rotating motor 9 and the second rotating motor 10 are bolted to the lower side of the base plate 3. The output shaft of the first rotating motor 9 is connected to the first worm gear reducer 7, and the output shaft of the second rotating motor 10 is connected to the second worm gear reducer 8. The controller 20 is bolted to the upper side of the platform 1. Both the first rotating motor 9 and the second rotating motor 10 are electrically connected to the controller 20.

[0021] The platform 1 is equipped with a displacement component that drives the base plate 2 to move back and forth.

[0022] In use, the teacher controls the back plate 2 to move backward to the seat plate 3 completely extends out of the seat groove 104, then the classroom can control the first rotating motor 9 and the second rotating motor 10 to rotate, the first rotating motor 9 and the second rotating motor 10 drive the output shaft of the first worm gear reducer 7 and the second worm gear reducer 8 to rotate, drive the first rotating shaft 5 and the second rotating shaft 6 to rotate under the action of the synchronous belt, so as to realize the angle adjustment of the leg support 21 and the backrest 4, improve the comfort of the teacher in use, at the same time, the classroom can adjust the height and direction of the seat through the lifting and rotating assembly, so as to improve the flexibility of the seat to adapt to various situations.

[0023] In this embodiment, the lifting and rotating assembly includes an electric telescopic rod 13 mounted on the upper side of the bottom plate 2 by bolts, a rotating seat 11 mounted on the lower side of the seat plate 3 by bolts, and a mounting seat 12 rotatably connected to the rotating seat 11 by bearings, the output end of the electric telescopic rod 13 is connected and fixed with the mounting seat 12, in use, the teacher can push the rotating of the seat plate 3 on the rotating seat 11, so as to realize the angle adjustment of the seat, the height of the seat plate 3 is controlled by controlling the length of the telescopic end of the electric telescopic rod 13, so as to realize the height adjustment of the seat to adapt to the use of teachers of different heights.

[0024] In this embodiment, two screw rod grooves 103 are symmetrically arranged on the left and right sides of the lower end of the seat groove 104, the displacement assembly includes two screw rods 14 rotatably connected to the front and rear sides of the two screw rod grooves 103 respectively, two motor cavities 101 are symmetrically arranged on the left and right sides of the rear side of the table body 1, the front end of the screw rod 14 extends through the table body 1 and extends into the motor cavity 101, a screw rod motor 15 is mounted in the motor cavity 101 by bolts, the output shaft of the screw rod motor 15 is connected with one of the screw rods 14, the two screw rods 14 are provided with a synchronous belt for synchronous rotation, the screw rod motor 15 is electrically connected with the controller 20, the model of the screw rod motor 15 can adopt the LSM series of Raytheon, the model of the controller 20 can adopt the DM series of Raytheon, the left and right sides of the bottom plate 2 are slidably connected in the screw rod groove 103 and are threadedly connected with the two screw rods 14, in use, the teacher can control the screw rod motor 15 and the synchronous belt to drive the two screw rods 14 to rotate, under the action of the screw, the bottom plate 2 moves forward and backward in the screw rod groove 103 along the screw rod 14, thereby realizing the forward and backward sliding of the seat in the seat groove 104, so as to realize the storage and expansion of the seat.

[0025] In this embodiment, a pulley groove 201 is formed on the lower side of the bottom plate 2, pulleys 16 are rotatably connected to the front and rear ends of the left and right sides of the pulley groove 201 by bearings, in use, the pulley groove 201 is in contact with the ground, which improves the stability of the bottom plate 2 when moving forward and backward.

[0026] In the embodiment, two groups of drawer cavities 102 are symmetrically arranged on the left and right sides of the rear side of the table body 1, each group of the drawer cavities 102 includes two, the drawer 17 is slidably connected with the slide groove through the slide block in the drawer cavity 102, the drawer 17 can be pulled out along the rear side of the table body 1, in use, the teacher can pull the drawer 17 outwards, and the drawer 17 can be used to store articles, thereby improving the practicability of the classroom podium.

[0027] In the embodiment, the sponge pad 18 is glued on the front side of the leg rest 21 and the backrest 4 and the upper side of the seat plate 3, in use, the sponge pad 18 improves the softness of the leg rest 21, the backrest 4 and the seat plate 3, thereby further improving the comfort of the seat.

[0028] In the embodiment, the motor cavity 101 is hingedly connected with the cabinet door 19 arranged on the rear side of the table body 1, in use, the staff can pull the cabinet door 19 to open the motor cavity 101, thereby facilitating the staff to maintain the lead screw motor 15.

[0029] Preferably, the synchronous belts are synchronous toothed belts or chain synchronous belts.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A classroom podium with a seat function, comprising a podium body, a seat slot is formed in the back side of the podium body, characterized in that: The seat groove is slidably connected with a bottom plate, a seat plate is arranged above the bottom plate, a lifting and rotating assembly for driving the seat plate to lift and rotate is arranged between the bottom plate and the seat plate, a leg rest and a backrest are hingedly connected to the seat plate through a second rotating shaft and a first rotating shaft at the front and rear ends of the seat plate respectively, a first worm gear reducer and a second worm gear reducer are arranged on the lower side of the seat plate, the output shaft of the first worm gear reducer is synchronously rotated with the first rotating shaft through a synchronous belt, the output shaft of the second worm gear reducer is synchronously rotated with the second rotating shaft through a synchronous belt, a first rotating motor and a second rotating motor are arranged on the lower side of the seat plate, the output shaft of the first rotating motor is connected with the first worm gear reducer, and the output shaft of the second rotating motor is connected with the second worm gear reducer; a controller is arranged on the upper side of the table body, and the first rotating motor and the second rotating motor are electrically connected with the controller. A displacement assembly for driving the bottom plate to move forward and backward is arranged in the table body.

2. A classroom podium with seating function according to claim 1, characterized in that: The lifting and rotating assembly comprises an electric telescopic rod arranged on the upper side of the bottom plate, a rotating seat arranged on the lower side of the seat plate, and a mounting seat rotatably connected to the rotating seat, and the output end of the electric telescopic rod is connected and fixed with the mounting seat.

3. The classroom podium with seating functionality of claim 1, wherein: Two screw rod sliding grooves are symmetrically arranged on the left and right sides of the lower end of the seat groove, the displacement assembly comprises two screw rods rotatably connected to the front and rear sides of the two screw rod sliding grooves respectively, two motor cavities are symmetrically arranged on the left and right sides of the rear side of the table body, the front ends of the screw rods pass through the table body and extend into the motor cavities, a screw rod motor is arranged in each motor cavity, the output shaft of the screw rod motor is connected with one of the screw rods, the two screw rods are synchronously rotated through a synchronous belt, and the screw rod motor is electrically connected with the controller.

4. A classroom lectern with seating functionality according to claim 3, characterised in that: The left and right sides of the bottom plate are slidably connected in the screw rod sliding grooves and are threadedly connected with the two screw rods, a pulley groove is arranged on the lower side of the bottom plate, and pulleys are rotatably connected to the front and rear ends of the left and right sides of the pulley groove.

5. The classroom podium with seating functionality of claim 1, wherein: Two groups of drawer cavities are symmetrically arranged on the rear side of the table body, each group of the drawer cavities comprises two drawers arranged above and below, and the drawers are slidably connected in the drawer cavities.

6. The classroom podium with seating functionality of claim 1, wherein: The front sides of the leg rest and the backrest and the upper side of the seat plate are all provided with sponge pads.

7. The classroom podium with seating functionality of claim 3, wherein: The motor cavities are all hingedly connected with cabinet doors arranged on the rear side of the table body.

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