Primary school science student experiment table

Abstract

The utility model discloses a primary school science student experiment table which comprises an experiment table top, an exhaust assembly, a base and a shear fork lifting mechanism. An object placing plate is mounted on the experiment table top, and a telescopic lighting assembly is mounted at the top of the object placing plate; the exhaust assembly is installed in the experiment table top. The air inlet end of the exhaust assembly is located on the top face of the experiment table top, and the exhaust end is provided with an air filter. The base is installed at the bottom of the experiment table top through the telescopic sleeve assembly. The shear fork lifting mechanism comprises a top plate, a bottom plate, a lead screw assembly and a shear fork connecting rod assembly. The top plate is fixedly connected with the experiment table top, the bottom plate is fixedly connected with the base, and the lead screw assembly is installed on the bottom plate and used for driving one end of the bottom of the shear fork connecting rod assembly to slide along the bottom plate. According to the utility model, the lifting of the experiment table top and the adjustment of the illumination height can be realized, the experiment table is suitable for pupils with different heights and different grades, the use convenience and the adaptation range of the experiment table are improved, the safety performance is high, and the service life is long.

Description

Technical Field

[0001] The utility model relates to the technical field of experimental tables, in particular to an experimental table for primary school science students. Background Art

[0002] With the increasing emphasis on primary school science education, student experiments have become increasingly important in science courses. However, the existing primary school science student experiment tables have some problems in design and function, which affect the convenience and safety of the experiments.

[0003] Since some experiments will produce waste gas, but the existing laboratory benches lack effective exhaust and filtering devices, and the waste gas is directly discharged into the indoor environment, posing a potential threat to the health of teachers and students; at the same time, the table height and lighting height of the existing laboratory benches are fixed, which cannot meet the needs of students of different grades and heights. This not only limits the versatility of the laboratory bench, but may also cause inconvenience to students when using it due to the table being too high or too low, or even cause safety hazards.

[0004] Therefore, an experimental platform for elementary school science students is proposed. Utility Model Content

[0005] The utility model aims to provide a primary school science student experimental table, aiming to solve or improve at least one of the above-mentioned technical problems.

[0006] To achieve the above purpose, the utility model provides the following solution: The utility model provides a primary school science student experimental table, including:

[0007] A laboratory table, on which a storage board is installed, and a retractable lighting assembly is installed on the top of the storage board;

[0008] An exhaust assembly, the exhaust assembly is installed in the experimental table; the air inlet end of the exhaust assembly is located on the top surface of the experimental table, and the exhaust end is installed with an air filter;

[0009] A base, the base being mounted on the bottom of the experimental table through a telescopic sleeve assembly;

[0010] A scissor lift mechanism, the scissor lift mechanism comprising a top plate, a bottom plate, a lead screw assembly and a scissor link assembly; the top plate is fixedly connected to the experimental table, the bottom plate is fixedly connected to the base, the lead screw assembly is mounted on the bottom plate, one end of the bottom of the scissor link assembly is hinged to the bottom plate, and the other end is slidably connected to the bottom plate, one end of the top of the scissor link assembly is hinged to the top plate, and the other end is slidably connected to the top plate; the lead screw assembly is used to drive the bottom end of the scissor link assembly to slide along the bottom plate;

[0011] Wherein, the telescopic sleeve assembly is sleeved outside the top plate, the bottom plate, the lead screw assembly and the scissor-type connecting rod assembly.

[0012] According to the elementary school science student experiment table provided by the utility model, the top plate is provided with two first slide grooves arranged side by side, and the bottom plate is provided with two second slide grooves arranged side by side;

[0013] The scissor-type connecting rod assembly comprises two scissor-type connecting rods arranged side by side, wherein one end of the top of the scissor-type connecting rod is hinged to the top plate, and the other end is rotatably connected to a first slider; one end of the bottom of the scissor-type connecting rod is hinged to the bottom plate, and the other end is rotatably connected to a second slider;

[0014] The two first sliders are respectively slidably connected to the two first slide grooves, and the two second sliders are respectively slidably connected to the two second slide grooves; a first cross bar is installed between the two first sliders, and a second cross bar is installed between the two second sliders, the sliding sleeve of the screw assembly is fixedly connected to the first cross bar, and the scissor-type connecting rod is located in the telescopic sleeve assembly.

[0015] According to the elementary school science student experiment table provided by the utility model, the screw assembly includes a screw motor and a screw rod; the screw motor is mounted on the base plate, the screw rod is mounted on the base plate through a bearing, one end of the screw rod is connected to the output shaft of the screw motor through a coupling, and the sliding sleeve on the screw rod is provided with the sliding sleeve;

[0016] The lead screw and the lead screw motor are both arranged in the telescopic sleeve assembly.

[0017] According to the elementary school science student experiment table provided by the utility model, the telescopic sleeve assembly includes an upper sleeve and a lower sleeve, the top of the upper sleeve is fixedly connected to the experiment table, and the lower sleeve is fixedly connected to the base;

[0018] A plurality of third sliding grooves are vertically opened on the outer wall of the lower sleeve, and a plurality of third sliding blocks are installed on the inner wall of the upper sleeve, the third sliding blocks are slidably connected with the third sliding grooves, and the plurality of third sliding grooves are arranged in one-to-one correspondence with the plurality of third sliding blocks;

[0019] The top plate, the bottom plate, the scissor-type connecting rod, the lead screw and the lead screw motor are all arranged in the upper sleeve and the lower sleeve.

[0020] According to the elementary school science student experiment table provided by the utility model, the telescopic lighting assembly includes a connecting wing plate installed on the top of the storage plate, a telescopic rod is installed at the bottom of the connecting wing plate, and a lighting lamp is installed at the bottom of the telescopic rod.

[0021] According to the elementary school science student experiment table provided by the utility model, the exhaust assembly includes an air pump installed in the experiment table, the air inlet end of the air pump is installed with an air inlet pipe, and the air outlet end is installed with an exhaust pipe; one end of the air inlet pipe extends to the top surface of the experiment table, and one end of the exhaust pipe extends outside the experiment table; the air filter is installed on the exhaust pipe.

[0022] According to the elementary school science student experiment table provided by the utility model, the end of the air inlet pipe away from the air pump is detachably connected with a filter screen.

[0023] According to the elementary school science student experiment table provided by the utility model, an end cover is detachably connected to one side wall of the experiment table, an exhaust hole connected to the exhaust pipe is opened on the end cover, and the air filter is arranged close to the exhaust hole.

[0024] According to the elementary school science student experiment table provided by the utility model, a plurality of partitions are installed on the side walls of the storage plate, and an anti-slip pad is installed on the bottom of the base.

[0025] The utility model discloses the following technical effects:

[0026] The utility model provides a storage board installed on the experimental table, on which items used in students' scientific experiments can be placed. A retractable lighting assembly is arranged on the top of the storage board, which can realize the lighting of the table and the adjustment of the lighting height. The exhaust assembly can timely absorb the waste gas generated in the experimental process, and the waste gas can be discharged after being filtered and purified by the air filter, thereby improving the convenience and safety performance of the primary school students' experimental process.

[0027] The scissor lift mechanism of the utility model comprises a top plate, a bottom plate, a lead screw assembly and a scissor link assembly. When primary school students conduct scientific experiments, the lead screw assembly can drive the scissor link assembly to slide, thereby realizing the lifting and lowering of the experimental table, which is convenient for adapting to primary school students of different grades and heights, and improves the convenience of use and the adaptability range of the experimental table;

[0028] The utility model places the scissor lift mechanism in the telescopic sleeve assembly, and covers and protects the scissor lift mechanism through the telescopic sleeve assembly. On the one hand, it can avoid potential risks to primary school students during the lifting process and improve the safety performance of the equipment. On the other hand, it can realize the covering protection during the lifting process and increase the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 It is a structural schematic diagram of the utility model;

[0031] Figure 2 for Figure 1 A partial enlarged view of middle A;

[0032] Figure 3 for Figure 1 A partial enlarged view of B in the middle;

[0033] Figure 4 This is a schematic diagram of the structure of the scissor lift mechanism in the utility model.

[0034] Among them, 1. laboratory table; 2. storage plate; 3. air filter; 4. base; 5. top plate; 6. bottom plate; 7. first slide groove; 8. second slide groove; 9. scissor-type connecting rod; 10. first slider; 11. second slider; 12. screw motor; 13. screw rod; 14. sleeve; 15. upper sleeve; 16. lower sleeve; 17. third slide groove; 18. third slider; 19. connecting wing plate; 20. telescopic rod; 21. lighting lamp; 22. air pump; 23. intake pipe; 24. exhaust pipe; 25. filter; 26. end cover; 27. exhaust hole; 28. partition; 29. ​​anti-slip pad. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0037] Reference Figure 1-4 The utility model provides a primary school science student experiment table, including:

[0038] A test bench 1, on which a storage board 2 is installed, and a retractable lighting assembly is installed on the top of the storage board 2;

[0039] An exhaust component is installed in the experimental table 1; the air inlet end of the exhaust component is located on the top surface of the experimental table 1, and an air filter 3 is installed at the exhaust end; the air filter 3 is provided with activated carbon, which can effectively adsorb organic gases, such as benzene, formaldehyde, etc., and also has a certain adsorption effect on inorganic gases, so as to achieve purification and filtration of experimental gases;

[0040] The base 4 is installed at the bottom of the experimental table 1 through a telescopic sleeve assembly;

[0041] The scissor lift mechanism includes a top plate 5, a bottom plate 6, a lead screw assembly and a scissor link assembly; the top plate 5 is fixedly connected to the experimental table 1, the bottom plate 6 is fixedly connected to the base 4, the lead screw assembly is installed on the bottom plate 6, one end of the bottom of the scissor link assembly is hinged to the bottom plate 6, and the other end is slidably connected to the bottom plate 6, one end of the top of the scissor link assembly is hinged to the top plate 5, and the other end is slidably connected to the top plate 5; the lead screw assembly is used to drive the bottom end of the scissor link assembly to slide along the bottom plate 6;

[0042] The telescopic sleeve assembly is sleeved outside the top plate 5, the bottom plate 6, the lead screw assembly and the scissor-type connecting rod assembly;

[0043] In this way, the experimental table 1 of the utility model is equipped with a storage board 2, which can be used to place items used in students' scientific experiments. A retractable lighting component is arranged on the top of the storage board 2 to achieve the lighting of the table and the adjustment of the lighting height. The exhaust component can timely absorb the exhaust gas generated during the experiment, and the exhaust gas can be filtered and purified by the air filter 3 before being discharged, thereby improving the convenience and safety of the primary school students' experiment process.

[0044] The scissor lift mechanism of the utility model comprises a top plate 5, a bottom plate 6, a screw assembly and a scissor connecting rod assembly. When primary school students conduct scientific experiments, the screw assembly can drive the scissor connecting rod assembly to slide, thereby realizing the lifting and lowering of the experimental table 1, which is convenient for adapting to primary school students of different grades and heights, and improves the convenience of use and the adaptability range of the experimental table;

[0045] The utility model places the scissor lift mechanism in the telescopic sleeve assembly, and covers and protects the scissor lift mechanism through the telescopic sleeve assembly. On the one hand, it can avoid potential risks to primary school students during the lifting process and improve the safety performance of the equipment. On the other hand, it can realize the covering protection during the lifting process and increase the service life of the equipment.

[0046] According to a further optimized solution, two first slide grooves 7 arranged side by side are provided on the top plate 5, and two second slide grooves 8 arranged side by side are provided on the bottom plate 6;

[0047] The scissor-type connecting rod assembly includes two scissor-type connecting rods 9 arranged side by side, one end of the top of the scissor-type connecting rod 9 is hinged to the top plate 5, and the other end is rotatably connected to the first slider 10; one end of the bottom of the scissor-type connecting rod 9 is hinged to the bottom plate 6, and the other end is rotatably connected to the second slider 11;

[0048] The two first sliders 10 are respectively slidably connected to the two first slide grooves 7, and the two second sliders 11 are respectively slidably connected to the two second slide grooves 8; a first cross bar is installed between the two first sliders 10, a second cross bar is installed between the two second sliders 11, a sliding sleeve 14 of the screw assembly is fixedly connected to the first cross bar, and the scissor-type connecting rod 9 is located in the telescopic sleeve assembly;

[0049] The screw assembly includes a screw motor 12 and a screw rod 13; the screw motor 12 is mounted on the base plate 6, the screw rod 13 is mounted on the base plate 6 through a bearing, one end of the screw rod 13 is connected to the output shaft of the screw motor 12 through a coupling, and a sliding sleeve 14 is provided on the screw rod 13;

[0050] The lead screw 13 and the lead screw motor 12 are both arranged in the telescopic sleeve assembly;

[0051] In this arrangement, the lead screw motor 12 drives the lead screw 13 to rotate, and then drives the first cross bar to translate through the sliding sleeve 14. The first cross bar drives the two second sliders 11 to slide along the two second slide grooves 8, realizing the movement of the scissor-type connecting rod 9, and then drives the top plate 5 and the experimental table 1 to rise and fall.

[0052] According to a further optimized solution, the telescopic sleeve assembly includes an upper sleeve 15 and a lower sleeve 16, the top of the upper sleeve 15 is fixedly connected to the experimental table 1, and the lower sleeve 16 is fixedly connected to the base 4;

[0053] A plurality of third slide grooves 17 are vertically formed on the outer wall of the lower sleeve 16, and a plurality of third sliders 18 are installed on the inner wall of the upper sleeve 15. The third sliders 18 are slidably connected with the third slide grooves 17, and the plurality of third slide grooves 17 are arranged one by one with the plurality of third sliders 18.

[0054] The top plate 5, the bottom plate 6, the scissor-type connecting rod 9, the lead screw 13 and the lead screw motor 12 are all arranged in the upper sleeve 15 and the lower sleeve 16; in this way, the scissor-type lifting mechanism is covered and protected by the upper sleeve 15 and the lower sleeve 16.

[0055] To further optimize the solution, the telescopic lighting assembly includes a connecting wing plate 19 installed on the top of the storage plate 2, a telescopic rod 20 is installed at the bottom of the connecting wing plate 19, and a lighting lamp 21 is installed at the bottom of the telescopic rod 20; with such a configuration, the installation height of the lighting lamp 21 can be adjusted through the telescopic rod 20, which is convenient for adapting to different usage scenarios and improving convenience of use.

[0056] To further optimize the solution, the exhaust assembly includes an air pump 22 installed in the experimental table 1, an air intake pipe 23 is installed at the air intake end of the air pump 22, and an exhaust pipe 24 is installed at the air outlet end; one end of the air intake pipe 23 extends to the top surface of the experimental table 1, and one end of the exhaust pipe 24 extends to the outside of the experimental table 1; the air filter 3 is installed on the exhaust pipe 24; in this arrangement, the exhaust gas on the experimental table 1 is drawn into the exhaust pipe 24 along the air intake pipe 23 through the air pump 22, and is discharged after being purified and filtered by the air filter 3.

[0057] As a further optimization solution, one end of the air inlet pipe 23 away from the air pump 22 is detachably connected to a filter screen 25 to prevent impurities from clogging the air inlet pipe 23 .

[0058] To further optimize the solution, an end cover 26 is detachably connected to one side wall of the experimental table, an exhaust hole 27 connected to the exhaust pipe 24 is opened on the end cover 26, and the air filter 3 is arranged near the exhaust hole 27; the air filter 3 can be replaced and cleaned by removing the end cover 26.

[0059] As a further optimization scheme, a plurality of partitions 28 are installed on the side walls of the storage plate 2 to facilitate the placement of experimental items, and an anti-skid pad 29 is installed at the bottom of the base 4 to improve the stability of the placement of the experimental table.

[0060] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0061] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technical users in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Primary school science student experiment platform, characterized by: include: A laboratory table (1), wherein a storage board (2) is installed on the laboratory table (1), and a retractable lighting assembly is installed on the top of the storage board (2); An exhaust component, the exhaust component being installed in the experimental table (1); an air inlet end of the exhaust component is located on the top surface of the experimental table (1), and an air filter (3) is installed at the exhaust end; A base (4), the base (4) being mounted on the bottom of the experimental table (1) via a telescopic sleeve assembly; A scissor lift mechanism, the scissor lift mechanism comprising a top plate (5), a bottom plate (6), a lead screw assembly and a scissor link assembly; the top plate (5) is fixedly connected to the experimental table (1), the bottom plate (6) is fixedly connected to the base (4), the lead screw assembly is installed on the bottom plate (6), one end of the bottom of the scissor link assembly is hinged to the bottom plate (6), and the other end is slidably connected to the bottom plate (6); one end of the top of the scissor link assembly is hinged to the top plate (5), and the other end is slidably connected to the top plate (5); the lead screw assembly is used to drive the bottom end of the scissor link assembly to slide along the bottom plate (6); Wherein, the telescopic sleeve assembly is sleeved outside the top plate (5), the bottom plate (6), the lead screw assembly and the scissor-type connecting rod assembly.

2. The elementary school science student experiment platform according to claim 1, characterized in that: The top plate (5) is provided with two first slide grooves (7) arranged side by side, and the bottom plate (6) is provided with two second slide grooves (8) arranged side by side; The scissor-type connecting rod assembly comprises two scissor-type connecting rods (9) arranged side by side, wherein one end of the top of the scissor-type connecting rod (9) is hinged to the top plate (5), and the other end is rotatably connected to a first slider (10); one end of the bottom of the scissor-type connecting rod (9) is hinged to the bottom plate (6), and the other end is rotatably connected to a second slider (11); The two first sliders (10) are respectively slidably connected to the two first slide grooves (7), and the two second sliders (11) are respectively slidably connected to the two second slide grooves (8); a first cross bar is installed between the two first sliders (10), and a second cross bar is installed between the two second sliders (11); the sliding sleeve (14) of the screw assembly is fixedly connected to the first cross bar, and the scissor-type connecting rod (9) is located in the telescopic sleeve assembly.

3. The elementary school science student experiment platform according to claim 2, characterized in that: The screw assembly comprises a screw motor (12) and a screw rod (13); the screw motor (12) is mounted on the base plate (6), the screw rod (13) is mounted on the base plate (6) via a bearing, one end of the screw rod (13) is connected to the output shaft of the screw motor (12) via a coupling, and the sliding sleeve (14) is provided on the sliding sleeve of the screw rod (13); The screw rod (13) and the screw motor (12) are both arranged in the telescopic sleeve assembly.

4. The elementary school science student experiment platform according to claim 3, characterized in that: The telescopic sleeve assembly comprises an upper sleeve (15) and a lower sleeve (16), the top of the upper sleeve (15) is fixedly connected to the experimental table (1), and the lower sleeve (16) is fixedly connected to the base (4); A plurality of third sliding grooves (17) are vertically opened on the outer wall of the lower sleeve (16), and a plurality of third sliding blocks (18) are installed on the inner wall of the upper sleeve (15), and the third sliding blocks (18) are slidably connected with the third sliding grooves (17), and the plurality of third sliding grooves (17) and the plurality of third sliding blocks (18) are arranged in a one-to-one correspondence; The top plate (5), the bottom plate (6), the scissor-type connecting rod (9), the lead screw (13) and the lead screw motor (12) are all arranged in the upper sleeve (15) and the lower sleeve (16).

5. The elementary school science student experiment platform according to claim 1, characterized in that: The telescopic lighting assembly comprises a connecting wing plate (19) mounted on the top of the storage plate (2), a telescopic rod (20) is mounted on the bottom of the connecting wing plate (19), and a lighting lamp (21) is mounted on the bottom of the telescopic rod (20).

6. The elementary school science student experiment platform according to claim 1, characterized in that: The exhaust assembly comprises an air pump (22) installed in the experimental table (1); an air intake pipe (23) is installed at the air intake end of the air pump (22), and an exhaust pipe (24) is installed at the air outlet end; one end of the air intake pipe (23) extends to the top surface of the experimental table (1), and one end of the exhaust pipe (24) extends outside the experimental table (1); the air filter (3) is installed on the exhaust pipe (24).

7. The elementary school science student experiment platform according to claim 6, characterized in that: One end of the air inlet pipe (23) away from the air pump (22) is detachably connected to a filter screen (25).

8. The elementary school science student experiment platform according to claim 6, characterized in that: An end cover (26) is detachably connected to one side wall of the experimental table. An exhaust hole (27) communicating with the exhaust pipe (24) is provided on the end cover (26). The air filter (3) is arranged close to the exhaust hole (27).

9. The elementary school science student experiment platform according to claim 1, characterized in that: A plurality of partitions (28) are installed on the side walls of the storage plate (2), and an anti-slip pad (29) is installed on the bottom of the base (4).

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