CN215532471U

CN215532471U - Vertical lifting hidden type experimental platform

Info

Publication number: CN215532471U
Application number: CN202121249423.9U
Authority: CN
Inventors: 李芷扬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2022-01-18
Anticipated expiration: 2031-06-05

Abstract

The utility model discloses a vertical lifting hidden type experimental platform which comprises a platform surface, wherein the left end and the right end of the lower side of the platform surface are respectively provided with a side four-connecting-rod prismatic supporting leg, the lower side of the side four-connecting-rod prismatic supporting leg is connected with the ground, the side four-connecting-rod prismatic supporting leg is formed by hinging two cross rods which are symmetrical up and down, the rear side of the upper end of the side four-connecting-rod prismatic supporting leg is hinged through a fixed foot seat, the rear side of the upper end of the side four-connecting-rod prismatic supporting leg is hinged with a sliding block, the sliding block is connected in a sliding groove seat in a sliding mode, and the sliding groove seats are respectively fixed on the ground and the platform surface.

Description

Vertical lifting hidden type experimental platform

Technical Field

The utility model relates to the technical field of experiment platforms, in particular to a vertical lifting hidden experiment platform.

Background

In the beginning and high school, when teachers such as biology, physics and chemistry speak, some simple small tests without potential safety hazards are generally carried out in classrooms, except for podites in the classrooms, no special experimental podium is provided, so the test can only be carried out on the podium, but actually, the podium is provided with data of other teachers, class materials of a class owner and a manager and the like, and the materials are crowded, and need to be specially cleaned before the tests are carried out, and the data are easily disordered when the test is recovered after the tests. Therefore, the utility model provides a vertical lifting concealed experimental platform to solve the problems in the background art.

Disclosure of Invention

The utility model aims to provide a vertical lifting hidden type experimental platform to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the vertical lifting hidden type experimental platform comprises a platform surface, wherein the left end and the right end of the lower side of the platform surface are respectively provided with a side four-connecting-rod prismatic leg, the lower side of the side four-connecting-rod prismatic leg is connected with the ground, the side four-connecting-rod prismatic leg is formed by hinging two cross rods which are symmetrical up and down, the rear side of the upper end of the side four-connecting-rod prismatic leg is hinged through a fixed foot seat, the rear side of the upper end of the side four-connecting-rod prismatic leg is hinged with a sliding block, the sliding block is connected in a sliding groove seat in a sliding mode, and the sliding groove seat is respectively fixed on the ground and the platform surface;

the middle part of side four-bar prism landing leg is connected through drive mechanism, drive mechanism includes middle horizontal worm wheel and the center cover of controlling both ends, and sliding connection has well core rod in the center cover, and well core rod's tip articulates the middle part at side four-bar prism landing leg, and well core rod relative one end is equipped with the thread bush, and the thread bush passes through threaded connection transmission hob, and the middle part of transmission hob is fixed with the worm wheel, and worm wheel meshing worm, worm pass through the gear train and connect the motor, and motor fixed mounting sheathes in at the left side center.

As a further scheme of the utility model, the gear set is two gears which are meshed with each other, the diameter of the gear connected with the motor is smaller than that of the other gear, and power is transmitted.

As a further scheme of the utility model, the motor is electrically connected with the electric control operation cabinet for controlling the height.

As a further scheme of the utility model, the table top is flush with the upper side of the classroom platform, and a carpet is paved on the upper side of the table top to protect the table top.

As a further scheme of the utility model, a central four-bar prismatic leg is arranged between the table board and the ground, and the central four-bar prismatic leg is positioned in the middle of the table board and is perpendicular to the side four-bar prismatic legs.

As a further aspect of the present invention, the central four-bar prismatic leg is different from the side four-bar prismatic legs in that there is no transmission mechanism and only functions as a positioning and auxiliary support.

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

1. the utility model can ensure that the table top does not change direction no matter at which height, keeps the horizontal state and ensures that the front position and the rear position are fixed, thereby facilitating different experiments to be flexibly carried out at different high and low positions and greatly facilitating the teaching work of teachers.

2. When teaching needs, the play to rise button in the automatically controlled operation cabinet of operation, the control motor action, the motor passes through the gear train and drives the worm and rotate, and then drives the transmission hob through the worm wheel and rotate for the transmission hob rotates in the screw thread cover, and the distance between two well poles shortens, and the mesa slowly rises, and different teaching experiments rise to different heights, take off the carpet of uncapping on it after, and the field operation demonstrates the experimentation, reaches perfect explanation effect. After the teaching experiment is finished, when the teaching experiment is not needed, the descending button in the electric control operation cabinet is operated, the table top descends stably until the table top is flush with the floor of the platform, the carpet is covered, and the original activity space is recovered.

Drawings

FIG. 1 is a schematic diagram of a side-view raised structure of a vertical elevating concealed experimental platform.

Fig. 2 is a schematic view of a hidden state of the vertical elevating hidden experimental platform.

FIG. 3 is a schematic bottom view of a platform of the vertical elevating concealed experimental platform.

Fig. 4 is a schematic front view of the vertical elevating concealed experimental platform.

FIG. 5 is a schematic diagram of a side view of a driving screw rod in a table top of a vertical elevating concealed experimental platform.

Fig. 6 is a schematic front view of a worm in the vertical lifting concealed experimental platform.

In the figure: 1. a table top; 2. a side four-bar prismatic leg; 3. a ground surface; 4. a transmission mechanism; 5. a fixed foot seat; 6. a chute seat; 7. a slider; 8. a center pole; 9. a central sleeve; 10. a drive screw;

11. a threaded sleeve; 12. a worm gear; 13. a central four-bar prismatic leg; 14. a worm; 15. a gear set; 16. an electric motor.

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.

Referring to fig. 1 to 6, in the embodiment of the present invention, the vertical lifting hidden experimental platform includes a platform surface 1, side four-bar prismatic legs 2 are respectively disposed at the left and right ends of the lower side of the platform surface 1, the lower sides of the side four-bar prismatic legs 2 are connected with a ground 3, the side four-bar prismatic legs 2 are formed by hinging two cross bars which are symmetrical up and down, the rear sides of the upper ends of the side four-bar prismatic legs 2 are hinged through a fixed foot stool 5, the rear sides of the upper ends of the side four-bar prismatic legs 2 are hinged with a sliding block 7, the sliding block 7 is slidably connected in a sliding groove seat 6, and the sliding groove seat 6 is respectively fixed on the ground 3 and the platform surface 1;

the middle parts of the side four-bar prismatic supporting legs 2 are connected through a transmission mechanism 4, the transmission mechanism 4 comprises a worm wheel 12 in the transverse middle and central sleeves 9 at the left end and the right end, a central rod 8 is connected in the central sleeves 9 in a sliding mode, the end parts of the central rod 8 are hinged to the middle parts of the side four-bar prismatic supporting legs 2, a threaded sleeve 11 is arranged at one end, opposite to the central rod 8, of the threaded sleeve 11 and is connected with a transmission screw rod 10 through threads, the worm wheel 12 is fixed at the middle part of the transmission screw rod 10, the worm wheel 12 is meshed with a worm 14, the worm 14 is connected with a motor 16 through a gear set 15, and the motor 16 is fixedly installed on the left central sleeve 9;

the table comprises a table board 1, a table board 2, a gear set 15, a motor 16, a central four-connecting-rod prismatic supporting leg 13, a transmission mechanism 4 and a power transmission mechanism, wherein the gear set 15 is composed of two gears which are meshed with each other, the diameter of the gear connected with the motor 16 is smaller than that of the other gear, the motor 16 is electrically connected with an electric control operation cabinet and used for controlling the height, the table board 1 is flush with the upper side of a classroom platform, a carpet is laid on the upper side of the table board to protect the table board 1, the central four-connecting-rod prismatic supporting leg 13 is arranged between the table board 1 and the ground 3, the central four-connecting-rod prismatic supporting leg 13 is located in the middle of the table board 1 and is perpendicular to the side four-connecting-rod prismatic supporting leg 2, and the central four-connecting-rod prismatic supporting leg 13 and the side four-connecting-rod prismatic supporting leg 2 are different in that the transmission mechanism 4 is not arranged, and only have the functions of positioning and auxiliary supporting.

The working principle of the utility model is as follows: when the platform is required to be installed, firstly, on-site measurement is carried out on a classroom, the size requirement of an experimental platform is mastered, the size of the platform surface 1 is determined, then, the four-bar prismatic side legs 2 and the transmission mechanism 4 are arranged according to the width of the platform surface 1, the four-bar prismatic center leg 13, the chute seat 6 and the fixed foot seat 5 are arranged in the length direction of the platform surface 1, the three connecting rods are installed on the ground 3, and the tops of the connecting rods are installed on the back surface of the platform plate.

When teaching needs, the play to rise button in the automatically controlled operation cabinet of operation, control motor 16 action, motor 16 drives worm 14 through gear train 15 and rotates, and then drives transmission hob 10 through worm wheel 12 and rotates, make transmission hob 10 at the internal rotation of thread bush 11, the distance between two well core rod 8 shortens, mesa 1 slowly rises, different teaching experiments rise to different heights, take off the carpet of uncapping above that, the field operation demonstration experimentation, reach perfect explanation effect. After the teaching experiment is finished, when the teaching experiment is not needed, the descending button in the electric control operation cabinet is operated, the table board 1 descends stably until the table board is flush with the platform ground 3, a carpet is covered, and the original activity space is recovered.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The vertical lifting hidden type experimental platform comprises a platform surface (1) and is characterized in that side four-connecting-rod prismatic supporting legs (2) are arranged at the left end and the right end of the lower side of the platform surface (1), the lower sides of the side four-connecting-rod prismatic supporting legs (2) are connected with the ground (3), the side four-connecting-rod prismatic supporting legs (2) are formed by hinging two cross rods which are symmetrical up and down, the rear sides of the upper ends of the side four-connecting-rod prismatic supporting legs (2) are hinged through a fixed foot seat (5), the rear sides of the upper ends of the side four-connecting-rod prismatic supporting legs (2) are hinged with a sliding block (7), the sliding block (7) is connected in a sliding groove seat (6) in a sliding manner, and the sliding groove seats (6) are respectively fixed on the ground (3) and the platform surface (1);

the middle part of side four-bar prism landing leg (2) is passed through drive mechanism (4) and is connected, drive mechanism (4) are including middle horizontal worm wheel (12) and the center cover (9) of controlling both ends, sliding connection has well core rod (8) in center cover (9), the tip of well core rod (8) articulates the middle part in side four-bar prism landing leg (2), well core rod (8) relative one end is equipped with thread bush (11), thread bush (11) are through threaded connection transmission hob (10), the middle part of transmission hob (10) is fixed with worm wheel (12), worm wheel (12) meshing worm (14), motor (16) are connected through gear train (15) in worm (14), motor (16) fixed mounting is on left side center cover (9).

2. The concealed vertical lift laboratory platform according to claim 1, wherein said gear set (15) is two gears engaged with each other and the gear connected to the motor (16) has a smaller diameter than the other.

3. The concealed vertical-lift laboratory platform according to claim 1, wherein said motor (16) is electrically connected to an electrically controlled operation cabinet.

4. The concealed vertical-lifting laboratory platform according to claim 1, wherein the table top (1) is flush with the upper side of the classroom platform, and a carpet is laid on the upper side.

5. The hidden vertical lifting type experimental platform as claimed in claim 1, wherein a central four-bar prismatic leg (13) is disposed between the platform (1) and the ground (3), and the central four-bar prismatic leg (13) is disposed in the middle of the platform (1) and perpendicular to the side four-bar prismatic legs (2).

6. Vertical lifting concealed laboratory podium according to claim 5, characterized in that said central four-bar prismatic leg (13) differs from the lateral four-bar prismatic legs (2) by the absence of transmission mechanisms (4).