CN219984759U - Adjustable test tube placement device - Google Patents

Abstract

The utility model discloses an adjustable test tube placement device which comprises a base, wherein the front part and the rear part of the top of the base are fixedly connected with placement frames, the tops of the front surfaces of the two placement frames are rotatably connected with threaded rods through openings, the front part and the rear part of the outer surface of each threaded rod are respectively and threadedly connected with an adjusting plate, and a plurality of connecting rods are fixedly connected to the opposite sides of the two adjusting plates. This adjustable test tube placer, through rotating the threaded rod, slide a section of thick bamboo and sliding rod and slide spacingly to the regulating plate, make the threaded rod drive two regulating plates and remove to the centre to drive two adjacent arc limiting plates around to remove to the centre, thereby the size of regulation test tube centre gripping hole that can be convenient can carry out the centre gripping to the test tube of equidimension not and place, makes test tube rack can adapt to the test tube of equidimension not, has improved test tube rack's suitability.

Description

Adjustable test tube placement device

Technical Field

The utility model relates to the technical field of test tube storage, in particular to an adjustable test tube placement device.

Background

The test tube rack is the most basic laboratory instrument of chemistry laboratory that is used for placing, airing test tube, is attached corresponding quantity columella and aperture in the test tube rack, has the aperture can put the test tube upright for use or in order to continue observing the reaction and go on.

Through the small column on the test tube rack, the cleaned test tube can be placed on the small column in an inverted mode, and therefore the cleaned test tube can be dried conveniently;

the aperture of the small hole on the existing test tube rack is uniform, the aperture size cannot be adjusted, only test tubes with one aperture size can be placed, the adaptation range of the test tube rack is low, a small column is arranged beside the test tube rack generally, the small column is always located at a fixed position when not used, and the occupied space of the test tube rack is large.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an adjustable test tube placement device, which solves the problems that the size of the aperture of a test tube rack cannot be adjusted and the occupied space of the test tube rack is large because a small column is always positioned at a fixed position when the test tube rack is not used.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a test tube placer with adjustable, includes the base, the equal fixedly connected with rack in front portion and the rear portion at base top, two positive top of rack is connected with the threaded rod through seting up the opening rotation, equal threaded connection has the regulating plate between the front portion and the rear portion of threaded rod surface and being located two racks, two the equal fixedly connected with a plurality of connecting rod in one side that the regulating plate is relative, the one end fixedly connected with arc limiting plate of connecting rod, two the equal fixedly connected with slide cylinder in both sides of the opposite one side of rack, the inside sliding connection of slide cylinder has the slide bar, one end and the one side fixedly connected with that the arc limiting plate was kept away from to the regulating plate of slide bar.

Preferably, both sides of the inner cavity of the placing frame are provided with sliding grooves, and a moving plate is connected between the two sliding grooves in a sliding manner through a sliding block.

Preferably, the top fixedly connected with a plurality of support column of movable plate, the spacing hole of a plurality of and support column looks adaptation has been seted up at the top of rack.

Preferably, a fixed plate is fixedly connected between the bottom of the inner cavity of the placement frame and the top of the base, and the front surface of the movable plate is slidably connected with a limiting rod through an opening.

Preferably, one end of the limiting rod penetrates through the fixing plate and extends to the outside of the fixing plate, and fixing holes matched with the limiting rod are formed in the top and the bottom of the front face of the fixing plate.

Preferably, a plurality of limiting grooves are formed in the top of the base and located between the two placing frames.

Advantageous effects

The utility model provides an adjustable test tube placement device. Compared with the prior art, the method has the following beneficial effects:

(1) According to the utility model, the threaded rod is rotated, the sliding cylinder and the sliding rod slide and limit the adjusting plates, so that the threaded rod drives the two adjusting plates to move towards the middle, and the front and rear adjacent arc limiting plates are driven to move towards the middle, so that the sizes of test tube clamping holes can be conveniently adjusted, test tubes with different sizes can be clamped and placed, the test tube placing rack can be adapted to test tubes with different sizes, and the adaptability of the test tube placing rack is improved.

(2) According to the utility model, the support columns on the moving plate are lowered into the placing frame by downwards pulling the moving plate, so that a plurality of support columns can be conveniently stored, and the occupied space of the support columns is well reduced.

Drawings

FIG. 1 is a schematic view of the external structure of the present utility model;

FIG. 2 is a schematic view of the structure of the base, the rack, the threaded rod, the adjusting plate, the arc limiting plate, the sliding cylinder, the sliding chute and the limiting groove;

fig. 3 is a schematic structural view of the moving plate, the supporting column, the limiting rod, the fixing hole and the fixing plate according to the present utility model.

In the figure: 1. a base; 2. a placing rack; 3. a threaded rod; 4. an adjusting plate; 5. a connecting rod; 6. an arc limiting plate; 7. a sliding cylinder; 8. a slide bar; 9. a chute; 10. a moving plate; 11. a support column; 12. a limiting hole; 13. a limit rod; 14. a fixing hole; 15. a fixing plate; 16. and a limit groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an adjustable test tube placer, the on-line screen storage device comprises a base 1, the equal fixedly connected with rack 2 in front portion and the rear portion at base 1 top, positive top of two racks 2 rotates through seting up the opening and is connected with threaded rod 3, as the detailed description, the surface fixedly connected with baffle of threaded rod 3, the surface of threaded rod 3 just is located the screw thread opposite direction on the front and back both sides of baffle, the front portion and the rear portion and the being located of threaded rod 3 surface between two racks 2 equal threaded connection have regulating plate 4, the equal fixedly connected with of one side that two regulating plate 4 is relative a plurality of connecting rod 5, the one end fixedly connected with arc limiting plate 6 of connecting rod 5, the equal fixedly connected with slide cylinder 7 in both sides of the opposite one side of two racks 2, the inside sliding connection of slide cylinder 7 has slide bar 8, the one end and the regulating plate 4 of keeping away from one side fixedly connected with of arc limiting plate 6.

Further, in order to perform preliminary limiting on the bottom of the test tube, a plurality of limiting grooves 16 are formed in the top of the base 1 and between the two placing frames 2.

Further, for the convenience is accomodate support column 11, spout 9 has all been seted up to the both sides of rack 2 inner chamber, there is movable plate 10 through slider sliding connection between the inside of two spouts 9, the top fixedly connected with a plurality of support column 11 of movable plate 10, the spacing hole 12 of a plurality of and support column 11 looks adaptation has been seted up at the top of rack 2, fixedly connected with fixed plate 15 between the bottom of rack 2 inner chamber and the top of base 1, the front of movable plate 10 has gag lever post 13 through seting up opening sliding connection, the one end of gag lever post 13 runs through fixed plate 15 and extends to the outside of fixed plate 15, fixed orifices 14 with gag lever post 13 looks adaptation have all been seted up at the positive top and the bottom of fixed plate 15.

It should be noted that, when the test tube needs to be dried, the moving plate 10 is pulled upwards, so that the plurality of support columns 11 on the moving plate 10 are exposed through the limiting holes 12, and the test tube can be inserted on the support columns 11 for drying.

When the test tube clamping device is used, the threaded rod 3 is rotated, the sliding cylinder 7 and the sliding rod 8 slide and limit the adjusting plates 4, so that the threaded rod 3 drives the two adjusting plates 4 to move towards the middle respectively, the front arc-shaped limiting plates 6 and the rear arc-shaped limiting plates 6 move towards the middle, the aperture of a test tube clamping device is adjusted, the test tube is placed between the two arc-shaped limiting plates 6, the bottom of the test tube is limited through the limiting groove 16, when the test tube with larger aperture needs to be placed, the threaded rod 3 is rotated in the opposite direction, the threaded rod 3 drives the two adjusting plates 4 to move forwards and backwards respectively, the distance between the front arc-shaped limiting plates 6 and the rear arc-shaped limiting plates 6 is increased, and the test tube with larger aperture is placed;

when the test tube needs to be dried, the limiting rod 13 is pulled out of the fixing hole 14 at the lower part, the moving plate 10 is pulled upwards, the moving plate 10 is moved to the fixing hole 14 at the upper part, the limiting rod 13 is inserted into the fixing hole 14 at the upper part, the moving plate 10 is limited at the upper part, and meanwhile, the supporting columns 11 on the moving plate 10 can penetrate through the limiting holes 12 to be exposed, and then the test tube is inserted into the supporting columns 11 for drying.

Claims (6)

1. An adjustable test tube placer, includes base (1), its characterized in that: the utility model discloses a novel electric iron stand, including base (1), rack (2) of equal fixedly connected with in front portion and the rear portion at base (1) top, two positive top of rack (2) is rotated through seting up the opening and is connected with threaded rod (3), equal threaded connection has regulating plate (4) between the front portion and the rear portion of threaded rod (3) surface and being located two racks (2), two the equal fixedly connected with a plurality of connecting rod (5) of one side that regulating plate (4) is relative, the one end fixedly connected with arc limiting plate (6) of connecting rod (5), two the equal fixedly connected with slide cylinder (7) of both sides of the opposite one side of rack (2), the inside sliding connection of slide cylinder (7) has slide bar (8), one end and the one side fixedly connected with that arc limiting plate (6) were kept away from to regulating plate (4).

2. An adjustable tube placement device according to claim 1, wherein: both sides of the inner cavity of the placement frame (2) are provided with sliding grooves (9), and a moving plate (10) is connected between the two sliding grooves (9) in a sliding manner through a sliding block.

3. An adjustable tube placement device according to claim 2, wherein: the top of movable plate (10) fixedly connected with a plurality of support column (11), spacing hole (12) of a plurality of and support column (11) looks adaptation are seted up at the top of rack (2).

4. An adjustable tube placement device according to claim 2, wherein: a fixed plate (15) is fixedly connected between the bottom of the inner cavity of the placement frame (2) and the top of the base (1), and the front surface of the movable plate (10) is slidably connected with a limiting rod (13) through an opening.

5. The adjustable tube placement device of claim 4, wherein: one end of the limiting rod (13) penetrates through the fixing plate (15) and extends to the outside of the fixing plate (15), and fixing holes (14) matched with the limiting rod (13) are formed in the top and the bottom of the front face of the fixing plate (15).

6. An adjustable tube placement device according to claim 1, wherein: a plurality of limit grooves (16) are formed in the top of the base (1) and located between the two placing frames (2).