CN212549646U

CN212549646U - Laboratory bench with automatic raising and lowering functions

Info

Publication number: CN212549646U
Application number: CN202020513503.XU
Authority: CN
Inventors: 杨卫良
Original assignee: Zhejiang Puda Experimental Equipment Co ltd
Current assignee: Zhejiang Puda Experimental Equipment Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-02-19
Anticipated expiration: 2030-04-09

Abstract

The utility model relates to a laboratory bench technical field just discloses laboratory bench with automatic raising and lowering functions, including arc bottom plate and table surface, two risers of the last fixed surface of arc bottom plate are connected with, the last fixed surface of arc bottom plate is connected with driving motor, driving motor's output fixedly connected with pivot, the upper surface of arc bottom plate is rotated through the bearing and is connected with two threaded spindle, two the equal threaded connection of surface of threaded spindle has the thread bush, two rotate through the bearing between the riser and be connected with the threaded rod, the surface threaded connection of threaded rod has two screw thread sliders, two the upper surface of screw thread slider all articulates there is the bracing piece, table surface's lower surface center department fixedly connected with fixed plate, two the top of bracing piece all with the fixed plate is articulated, makes this device possess the more stable characteristics of device when oneself goes up and down through the setting of above-mentioned a series of structures.

Description

Laboratory bench with automatic raising and lowering functions

Technical Field

The utility model relates to a laboratory bench technical field specifically is a laboratory bench with automatic raising and lowering functions.

Background

The experiment table is used for the experimental detection and instrument storage of enterprises and institutions such as hospitals, schools, chemical plants, scientific research institutions and the like. The method comprises the following steps of: a central experiment table, an edge experiment table and a corner table; the material composition is as follows: all-steel experiment table, steel-wood experiment table, all-wood experiment table, PP experiment table and aluminum-wood experiment table (which are basically eliminated at present). There are also some tall cabinets: a fume hood, a medicine cabinet, a vessel cabinet, a gas cylinder cabinet, an explosion-proof cabinet, a slide cabinet and the like.

The existing experiment table is generally divided into an adjustable-height experiment table and an unadjustable experiment table, the unadjustable experiment table in height is limited in use, the existing adjustable-height experiment table is not stable enough in height adjustment due to the gravity center offset of the experiment table, and the experiment table is not easy to use and has potential safety hazards.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a laboratory bench with automatic raising and lowering functions to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a laboratory bench with automatic lifting function comprises an arc-shaped bottom plate and a working table top, wherein the upper surface of the arc-shaped bottom plate is fixedly connected with two vertical plates, the upper surface of the arc-shaped bottom plate is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a rotating shaft, the upper surface of the arc-shaped bottom plate is rotatably connected with two threaded shafts through bearings, the outer surfaces of the two threaded shafts are respectively and fixedly connected with the working table top, the outer surface of the rotating shaft and the outer surfaces of the two threaded shafts are respectively connected with a transmission chain through transmission wheels, a threaded rod is rotatably connected between the two vertical plates through bearings, the outer surface of the threaded rod is in threaded connection with two threaded slide blocks, the upper surfaces of the two threaded slide blocks are respectively hinged with a supporting rod, and the center of the lower surface of the working table top is fixedly, the top ends of the two support rods are hinged to the fixing plate.

Preferably, the lower surface of the arc-shaped bottom plate is fixedly connected with four suckers, and the four suckers are uniformly distributed on the lower surface of the arc-shaped bottom plate.

Preferably, an expansion link is fixedly connected between the two vertical plates and the working table, and the sum of the movable range of the expansion link and the height of the vertical plate is equal to the sum of the lengths of the threaded sleeve and the threaded shaft.

Preferably, the center of the outer surface of the threaded rod is fixedly connected with a driven gear, two limiting rings are symmetrically arranged on the outer surface of the threaded rod, and the two limiting rings are uniformly distributed on two side surfaces of the driven gear.

Preferably, the top end of the rotating shaft is fixedly connected with a driving gear, and the driving gear is meshed with the driven gear.

Preferably, the outer surface of the threaded rod is provided with two sections of threads in opposite directions, and the two thread sliding blocks are respectively positioned on the outer surfaces of the two sections of threads in opposite directions.

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

(1) this laboratory bench with automatic raising and lowering functions through setting up driving motor, has driven the pivot and has rotated, uses through driving gear and driven gear mutually supporting, has driven the threaded rod and has rotated, through being provided with two sections opposite direction screw threads at the threaded rod surface, and then can make two screw thread slider relative movement, through the effect of two bracing pieces, with table surface jack-up that makes progress, and then has adjusted table surface's height, simple structure, convenient to use.

(2) This laboratory bench with automatic raising and lowering functions, effect through two transfer chains, and then has driven the screw shaft and has rotated, carries on spacingly to two screw sleeves through table surface, makes two screw sleeves do the elevating movement at the surface of two screw shafts respectively, and then can play and prevent that table surface from empting, makes table surface more stable, and table surface is when rising the removal simultaneously, and the telescopic link changes thereupon, has further improved the practicality, makes the device more stable.

Drawings

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

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: 1. an arc-shaped bottom plate; 2. a suction cup; 3. a vertical plate; 4. a telescopic rod; 5. a work table; 6. a drive motor; 7. a rotating shaft; 8. a threaded shaft; 9. a threaded sleeve; 10. a conveyor chain; 11. a threaded rod; 12. a driven gear; 13. a driving gear; 14. a limiting ring; 15. a threaded slider; 16. a support bar; 17. and (7) fixing the plate.

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. 1-2, an experiment table with an automatic lifting function comprises an arc-shaped bottom plate 1 and a working table 5, wherein two vertical plates 3 are fixedly connected to the upper surface of the arc-shaped bottom plate 1, a driving motor 6 is fixedly connected to the upper surface of the arc-shaped bottom plate 1, the model of the driving motor 6 is 86BYG250H, a rotating shaft 7 is fixedly connected to the output end of the driving motor 6, two threaded shafts 8 are rotatably connected to the upper surface of the arc-shaped bottom plate 1 through bearings, threaded sleeves 9 are respectively and threadedly connected to the outer surfaces of the two threaded shafts 8, the two threaded sleeves 9 are respectively and fixedly connected to the working table 5, a transmission chain 10 is respectively and drivingly connected to the outer surfaces of the rotating shaft 7 and the two threaded shafts 8 through transmission wheels, a threaded rod 11 is rotatably connected between the two vertical plates 3 through bearings, two threaded sliders 15 are threadedly connected to the outer surface of the threaded rod 11, the center of the lower surface of the working table surface 5 is fixedly connected with a fixing plate 17, and the top ends of the two support rods 16 are hinged with the fixing plate 17.

Further, four sucking discs 2 are fixedly connected to the lower surface of the arc-shaped bottom plate 1, and the four sucking discs 2 are uniformly distributed on the lower surface of the arc-shaped bottom plate 1, so that the working table surface 5 is more stable when ascending under the action of the sucking discs 2, and the practicability is improved.

Further, an expansion rod 4 is fixedly connected between the two vertical plates 3 and the working table surface 5, the sum of the height of the expansion rod 4 and the vertical plate 3 is equal to the sum of the length of the threaded sleeve 9 and the length of the threaded shaft 8, and the vertical plate 3 plays a role in supporting the threaded rod 11.

Further, the outer surface center department fixedly connected with driven gear 12 of threaded rod 11, the surface symmetry of threaded rod 11 is provided with two spacing rings 14, and two spacing rings 14 evenly distributed are at the both sides face of driven gear 12, and spacing ring 14 plays the effect spacing to two screw sliders 15, and it causes the damage to prevent to contact with driven gear 12 when two screw sliders 15 from removing.

Furthermore, the top end of the rotating shaft 7 is fixedly connected with a driving gear 13, the driving gear 13 is meshed with a driven gear 12, and the driving gear 13 can drive the threaded rod 11 to rotate through the driving motor 6.

Furthermore, two sections of threads with opposite directions are arranged on the outer surface of the threaded rod 11, and the two thread sliding blocks 15 are respectively positioned on the outer surfaces of the two sections of threads with opposite directions, so that the two thread sliding blocks 15 can move relatively when the threaded rod 11 rotates.

The working principle is as follows: the experiment table with the automatic lifting function is characterized in that the driving motor 6 is started before use to drive the rotating shaft 7 to rotate, the driving gear 13 and the driven gear 12 are matched with each other to drive the threaded rod 11 to rotate, two sections of threads with opposite directions are arranged on the outer surface of the threaded rod 11 to enable the two threaded sliders 15 to move relatively, the working table 5 is jacked upwards under the action of the two support rods 16 to adjust the height of the working table 5, the structure is simple, the use is convenient, when the height is adjusted, the gravity center of the working table 5 is changed accordingly, the rotating shaft 7 drives the threaded shaft 8 to rotate under the action of the two transmission chains 10, the two threaded sleeves 9 are limited through the working table 5, the two threaded sleeves 9 respectively perform lifting motion on the outer surfaces of the two threaded shafts 8, and the working table 5 can be prevented from toppling over, make table surface 5 more stable, simultaneously table surface 5 when ascending the removal, telescopic link 4 changes thereupon, has further improved the practicality, makes the device more stable.

It is to be noted that 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 laboratory bench with automatic raising and lowering functions, includes arc bottom plate (1) and table surface (5), its characterized in that: the upper surface of the arc-shaped bottom plate (1) is fixedly connected with two vertical plates (3), the upper surface of the arc-shaped bottom plate (1) is fixedly connected with a driving motor (6), the output end of the driving motor (6) is fixedly connected with a rotating shaft (7), the upper surface of the arc-shaped bottom plate (1) is rotatably connected with two threaded shafts (8) through bearings, the outer surfaces of the two threaded shafts (8) are both in threaded connection with threaded sleeves (9), the two threaded sleeves (9) are respectively and fixedly connected with the working table top (5), the outer surface of the rotating shaft (7) and the outer surfaces of the two threaded shafts (8) are respectively connected with a conveying chain (10) through transmission of a driving wheel, a threaded rod (11) is rotatably connected between the two vertical plates (3) through a bearing, and the outer surface of the threaded rod (11) is in threaded, two the upper surface of screw thread slider (15) all articulates there is bracing piece (16), the lower surface center department fixedly connected with fixed plate (17) of table surface (5), two the top of bracing piece (16) all with fixed plate (17) are articulated.

2. The laboratory bench with automatic lifting function according to claim 1, wherein: the lower surface of the arc-shaped bottom plate (1) is fixedly connected with four suckers (2), and the suckers (2) are uniformly distributed on the lower surface of the arc-shaped bottom plate (1).

3. The laboratory bench with automatic lifting function according to claim 1, wherein: two riser (3) with fixedly connected with telescopic link (4) between table surface (5), telescopic link (4) home range with the sum of the height of riser (3) with threaded sleeve (9) with threaded shaft (8) length sum equals.

4. The laboratory bench with automatic lifting function according to claim 1, wherein: the outer surface center department fixedly connected with driven gear (12) of threaded rod (11), the surface symmetry of threaded rod (11) is provided with two spacing rings (14), two spacing ring (14) evenly distributed is in the both sides face of driven gear (12).

5. The laboratory bench with automatic lifting function according to claim 4, characterized in that: the top end fixedly connected with driving gear (13) of pivot (7), driving gear (13) with driven gear (12) meshing.

6. The laboratory bench with automatic lifting function according to claim 1, wherein: the outer surface of the threaded rod (11) is provided with two sections of threads with opposite directions, and the two thread sliding blocks (15) are respectively positioned on the outer surfaces of the two sections of threads with opposite directions.