CN214159693U

CN214159693U - Liftable laboratory bench is used in formula

Info

Publication number: CN214159693U
Application number: CN202022195606.9U
Authority: CN
Inventors: 李冬冬; 王振; 张辉; 王长松; 王珂静; 刘江; 樊祥石; 黄园园; 闫运富; 张维栋
Original assignee: Huirui Shandong Environmental Technology Co ltd
Current assignee: Huirui Shandong Environmental Technology Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-09-10
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a liftable laboratory bench, which comprises a base, wherein the center of the top of the base is provided with a first groove, the center of the first groove is provided with a threaded rod, the two ends of the first groove are symmetrically and slidably connected with a first slider and a second slider, the two ends of the threaded rod are rotatably connected with the contact surface of the center of the opposite side in the first groove, and the two ends of the threaded rod penetrate through the centers of the first slider and the second slider which are symmetrically arranged in the first groove, the center of the surface of the threaded rod is fixedly connected with a first gear, the first slider is symmetrically provided with a fourth baffle plate far away from the first groove, the contact surface of the center of the opposite side of the fourth baffle plate is fixedly connected with the contact surface of the first slider, the center of the opposite side of the fourth baffle plate is provided with a fourth rotating shaft, the two ends of the fourth rotating shaft are rotatably connected with the contact surface of the center of the opposite side of the fourth baffle plate, the laboratory bench is simple in structure, can realize the adjustment of the height of the experiment table quickly and stably, and is worth popularizing.

Description

Liftable laboratory bench is used in formula

Technical Field

The utility model relates to a laboratory field especially relates to a liftable laboratory bench is used in formula laboratory.

Background

The laboratory is the place of carrying out the experiment promptly, and the laboratory is scientific cradle, is the base of scientific research, and the source of science and technology development plays very important effect to science and technology development, and the laboratory can be divided into three types according to the affiliation: the first kind is a laboratory belonging to or hosted by a university, the second kind of laboratory belongs to a national institution, some are even international institutions, and the third kind of laboratory directly belongs to an industrial enterprise department and serves for development and research of industrial technology.

Laboratory bench is comparatively important component part in the laboratory, makes things convenient for going on of experimenter's experiment, but the current laboratory bench highly is fixed with the height, because of the difference of height when the people of co-altitude use the laboratory bench, can influence experimenter's experimental experience, is unfavorable for going on of experiment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the laboratory bench is used in liftable formula laboratory that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a liftable laboratory experiment table comprises a base, wherein a first groove is formed in the center of the top of the base, a threaded rod is rotatably connected to the center of the first groove, a first sliding block and a second sliding block are symmetrically and slidably connected to two ends of the first groove, two ends of the threaded rod penetrate through the centers of the first sliding block and the second sliding block which are symmetrically arranged in the first groove, a first gear is fixedly connected to the center of the surface of the threaded rod, a fourth baffle plate is symmetrically arranged and fixedly connected to one side of the first sliding block, which is far away from the first groove, a fourth rotating shaft is arranged at the center of the opposite side of the fourth baffle plate, two ends of the fourth rotating shaft are rotatably connected to the contact surface of the center of the opposite side of the fourth baffle plate, a first connecting rod is rotatably connected to the axial surface of the fourth baffle plate, a third baffle plate is symmetrically and fixedly connected to the top of the second sliding block, and a third rotating shaft is rotatably connected to the center of the opposite side of the third baffle plate, the utility model discloses a rotary worktable for a rotary worktable, including first recess inside wall, first gear, second gear, first recess inside wall, rotating rod, base, second recess, workstation bottom, third rotating shaft, the rotation is connected with the second connecting rod on the third rotating shaft axial plane, first recess inside wall center department is equipped with second gear and keeps away from first gear one side center fixedly connected with bull stick of locating, the bull stick is kept away from second gear one end and is run through the outside fixedly connected with crank that extends of base, the equal fixedly connected with landing leg in four turnings in base top is kept away from base one side center department and is opened there is the rectangular channel, relative one side center department opens in the rectangular channel has second recess and second recess sliding connection stopper, the base top is equipped with four turning equal fixedly connected with branches in workstation bottom, the workstation bottom is close to center department symmetry fixedly connected with first baffle and second baffle.

As a further description of the above technical solution:

the threaded rod is a bidirectional thread and is in threaded connection with the contact surfaces of the first sliding block and the second sliding block.

As a further description of the above technical solution:

the contact surface of the first gear and the second gear is in meshed connection, and the contact surface of the rotating rod and the base is in smooth fit.

As a further description of the above technical solution:

the supporting rods respectively correspond to the rectangular grooves formed in the tops of the supporting legs and are fixedly connected with the contact surfaces of the limiting blocks.

As a further description of the above technical solution:

the first baffle and the second baffle are symmetrically provided with two, a first rotating shaft is rotatably connected to the center of one side, opposite to the first baffle, of the first baffle, and a second rotating shaft is rotatably connected to the center of one side, opposite to the second baffle, of the second baffle.

As a further description of the above technical solution:

the first rotating shaft axial surface is rotatably connected with the center of one end, away from the fourth rotating shaft, of the first connecting rod, and the second rotating shaft axial surface is rotatably connected with the center of one end, away from the third rotating shaft, of the second connecting rod.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up branch, landing leg, stopper, be favorable to guaranteeing that the workstation can keep steady when rising, prevent that the experimental apparatus from damaging.

2. The utility model discloses a set up threaded rod, first slider, second slider, first connecting rod, second connecting rod, and the threaded rod is two-way threaded rod, is favorable to realizing the distance between first slider and the second slider through the rotation of threaded rod and adjusts to drive the swing of first connecting rod and second connecting rod, realize the altitude mixture control of laboratory bench.

3. The utility model discloses a set up crank, connecting rod, first gear, second gear, it is rotatory to be favorable to driving the second gear through the crank, utilizes the meshing effect between first gear and the second gear, and then realizes the rotation of threaded rod, has avoided using motor or hydraulic stem, is favorable to alleviateing holistic weight.

Drawings

Figure 1 is the utility model provides a liftable formula laboratory bench's cross-sectional view.

Fig. 2 is a side sectional view of fig. 1.

Fig. 3 is an enlarged view of fig. 2A.

Fig. 4 is an enlarged view of fig. 2B.

Illustration of the drawings:

1. a second groove; 2. a work table; 3. a first link; 4. a first rotating shaft; 5. a first baffle plate; 6. a second baffle; 7. a second rotating shaft; 8. a second link; 9. a strut; 10. a support leg; 11. a base; 12. a second slider; 13. a third baffle plate; 14. a third rotating shaft; 15. a threaded rod; 16. a first gear; 17. a first groove; 18. a fourth baffle; 19. a fourth rotating shaft; 20. a first slider; 21. a limiting block; 22. a rotating rod; 23. a crank; 24. a second gear; 25. a rectangular 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a liftable laboratory experiment table comprises a base 11, a fixed laboratory experiment table and a tilting prevention device, wherein a first groove 17 is formed in the center of the top of the base 11, a threaded rod 15 is rotatably connected to the center of the first groove 17, a first slider 20 and a second slider 12 are symmetrically and slidably connected to two ends in the first groove 17, two ends of the threaded rod 15 penetrate through the centers of the first slider 20 and the second slider 12 which are symmetrically arranged in the first groove 17, a first gear 16 is fixedly connected to the center of the surface of the threaded rod 15, the position distance between the first slider 20 and the second slider 12 is controlled through the threaded rod 15 to realize height adjustment, a fourth baffle 18 which is symmetrically arranged is fixedly connected to one side of the first slider 20, which is far away from the first groove 17, a fourth rotating shaft 19 is arranged at the center of the opposite side of the fourth baffle 18, and the contact surface of two ends of the fourth rotating shaft 19 and the center of the opposite side of the fourth baffle 18 is rotatably connected, the shaft surface of the fourth baffle 18 is rotationally connected with a first connecting rod 3, the top of the second slide block 12 is symmetrically and fixedly connected with a third baffle 13, the center of one side, opposite to the third baffle 13, of the third baffle 13 is rotationally connected with a third rotating shaft 14, the shaft surface of the third rotating shaft 14 is rotationally connected with a second connecting rod 8, the height of the test bed in a controllable range can be adjusted through the first connecting rod 3 and the second connecting rod 8, the operation of experimenters with different heights is facilitated, a second gear 24 is arranged at the center of the inner side wall of the first groove 17, a rotating rod 22 is fixedly connected at the center of one side, away from the first gear 16, of the second gear 24, one end, away from the second gear 24, of the rotating rod 22 penetrates through the base 11 to extend outwards and is fixedly connected with a crank 23, the crank 23 is arranged, the use of a motor or a hydraulic rod is avoided, the safety of the experimenters is facilitated to be protected, meanwhile, the whole weight of the test bed can be reduced, and the test bed is convenient to carry, equal fixedly connected with landing leg 10 in four turnings in base 11 top and landing leg 10 keep away from base 11 one side center department and open there is rectangular channel 25, relative one side center department opens in rectangular channel 25 has second recess 1 and second recess 1 sliding connection has stopper 21, base 11 top is equipped with four equal fixedly connected with branches 9 in four turnings in workstation 2 and workstation 2 bottom, cooperation through branch 9 and landing leg 10, be favorable to the laboratory bench stability when height-adjusting, 2 bottoms of workstation are close to the first baffle of center department symmetry fixedly connected with 5 and second baffle 6.

The threaded rod 15 is a bidirectional thread and is in threaded connection with the contact surfaces of the first slider 20 and the second slider 12, the distance between the first slider 20 and the second slider 12 can be adjusted through the rotation of the threaded rod 15, the height of the experiment table can be adjusted, the contact surfaces of the first gear 16 and the second gear 24 are in meshing connection, the contact surface of the rotating rod 22 and the base 11 is in smooth fit, the rotating rod 22 cannot be interfered by the base 11 when rotating, the rotating is smooth, the support rods 9 respectively correspond to the rectangular grooves 25 formed in the tops of the support legs 10 and are fixedly connected with the contact surfaces of the limiting blocks 21, the support rods 9 can be prevented from shaking in the rectangular grooves 25 to influence the stability of the experiment table, the first baffle 5 and the second baffle 6 are symmetrically arranged, the center of one side of the first baffle 5 is rotationally connected with the first rotating shaft 4, and the center of the other side of the second baffle 6 is rotationally connected with the second rotating shaft 7, the shaft surface of the first rotating shaft 4 and the center of the end, far away from the fourth rotating shaft 19, of the first connecting rod 3 are rotatably connected, the shaft surface of the second rotating shaft 7 and the center of the end, far away from the third rotating shaft 14, of the second connecting rod 8 are rotatably connected, the first connecting rod 3 and the second connecting rod 8 can move conveniently, and the height of the experiment table can be adjusted.

The working principle is as follows: rotatory crank 23, drive bull stick 22 and rotate, utilize the meshing between first gear 16 and the second gear 24 to connect, realize the distance between first slider 20 and the second slider 12 and adjust, because first connecting

rod

3 and 8 both ends of second connecting rod are the rotation connection, and first connecting rod 3 and second connecting rod 8 are close to 2 one end rigidity of workstation, when first slider 20 and second slider 12 remove, realize the regulation of workstation 2 height through first connecting rod 3 and second connecting rod 8, simultaneously under branch 9 and stopper 21's effect, workstation 2 can not appear rocking.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a liftable formula laboratory experiment platform, includes base (11), its characterized in that: a first groove (17) is formed in the center of the top of the base (11), a threaded rod (15) is rotatably connected to the center of the first groove (17), a first slider (20) and a second slider (12) are symmetrically and slidably connected to the two ends of the first groove (17), the two ends of the threaded rod (15) penetrate through the centers of the first slider (20) and the second slider (12) which are symmetrically arranged in the first groove (17), a first gear (16) is fixedly connected to the center of the surface of the threaded rod (15), a fourth baffle (18) is fixedly connected to one side, away from the first groove (17), of the first slider (20), a fourth rotating shaft (19) is arranged at the center of the opposite side of the fourth baffle (18), the contact surface of the two ends of the fourth rotating shaft (19) and the center of the opposite side of the fourth baffle (18) is rotatably connected, and the axial surface of the fourth baffle (18) is rotatably connected with a first connecting rod (3), the top of the second sliding block (12) is symmetrically and fixedly connected with a third baffle (13), the center of one side, opposite to the third baffle (13), of the third baffle is rotatably connected with a third rotating shaft (14), the axial surface of the third rotating shaft (14) is rotatably connected with a second connecting rod (8), the center of the inner side wall of the first groove (17) is provided with a second gear (24), the center of one side, away from the first gear (16), of the second gear (24) is fixedly connected with a rotating rod (22), one end, away from the second gear (24), of the rotating rod (22) penetrates through the base (11) and extends outwards to be fixedly connected with a crank (23), four corners at the top of the base (11) are fixedly connected with supporting legs (10), the center of one side, away from the base (11), of the supporting legs (10) is provided with a rectangular groove (25), the center of one side, opposite to the rectangular groove (25), is provided with a second groove (1) and a limiting block (21) is slidably connected in the second groove (1), base (11) top is equipped with workstation (2) and four equal fixedly connected with branches (9) in corner in workstation (2) bottom, workstation (2) bottom is close to first baffle of central department symmetry fixedly connected with (5) and second baffle (6).

2. The liftable laboratory bench of claim 1, wherein: the threaded rod (15) is a bidirectional thread and is in threaded connection with the contact surfaces of the first sliding block (20) and the second sliding block (12).

3. The liftable laboratory bench of claim 1, wherein: the contact surface of the first gear (16) and the second gear (24) is in meshing connection, and the contact surface of the rotating rod (22) and the base (11) is in smooth fit.

4. The liftable laboratory bench of claim 1, wherein: the supporting rods (9) respectively correspond to rectangular grooves (25) formed in the tops of the supporting legs (10) and are fixedly connected with contact surfaces of the limiting blocks (21).

5. The liftable laboratory bench of claim 1, wherein: first baffle (5) and second baffle (6) equal symmetry are provided with two, first baffle (5) relative one side center department rotates and is connected with first pivot (4) and second baffle (6) relative one side center department rotates and is connected with second pivot (7).

6. The liftable laboratory bench of claim 5, wherein: the first rotating shaft (4) axial surface and the first connecting rod (3) are rotatably connected at the center of one end, away from the fourth rotating shaft (19), of the first connecting rod, and the second rotating shaft (7) axial surface and the second connecting rod (8) are rotatably connected at the center of one end, away from the third rotating shaft (14).