CN219804677U - Test tube rack - Google Patents

Abstract

The utility model provides a test tube rack, which relates to the technical field of experimental devices and comprises a base, a vertical rod and a top plate; the top plate is correspondingly arranged above the base, four upright posts are arranged, the four upright posts are respectively and vertically fixedly arranged at four corners of the base, the upright posts penetrate through the top plate, a control assembly for controlling the top plate to move along the vertical direction is arranged on the base, and a top block is fixedly connected to the top of each upright post; the test tube holder is characterized in that a plurality of placing holes are formed in the base, through holes corresponding to the placing holes one by one are formed in the top plate, and clamping plates for clamping the test tubes are arranged on the inner walls of the through holes. The test tube rack solves the problem that in the prior art, a test tube rack can only accommodate test tubes of corresponding specifications, so that the applicability is low.

Description

Test tube rack

Technical Field

The utility model relates to the technical field of experimental devices, in particular to a test tube placing rack.

Background

In the test process, test tubes are often used, and test tube racks are used for placing the test tubes. The test tube rack is the most basic experimental instrument used for placing and airing test tubes. At present, the specifications of test tube rack on the market are various, but current test tube rack is mostly fixed, and a test tube rack can only hold the test tube of a corresponding specification, can't hold the test tube of different specifications, has the lower problem of suitability.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a test tube rack, which solves the problem that the test tube rack in the prior art can only accommodate test tubes with corresponding specifications, so that the applicability is low.

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

a test tube rack comprises a base, a vertical rod and a top plate;

the top plate is correspondingly arranged above the base, four upright posts are arranged, the four upright posts are respectively and vertically fixedly arranged at four corners of the base, the upright posts penetrate through the top plate, a control assembly for controlling the top plate to move along the vertical direction is arranged on the base, and a top block is fixedly connected to the top of each upright post;

the test tube holder is characterized in that a plurality of placing holes are formed in the base, through holes corresponding to the placing holes one by one are formed in the top plate, and clamping plates for clamping the test tubes are arranged on the inner walls of the through holes.

Preferably, the control assembly comprises screws respectively arranged on two sides of the base, holes for the screws to pass through are formed in the top plate, internal threads matched with the external threads of the screws are formed in the holes, connecting rods are coaxially fixedly connected to the lower ends of the screws, the connecting rods are rotatably arranged in the base, cavities are formed in the base, the lower ends of the connecting rods extend into the cavities and are coaxially fixedly connected with bevel gears, a control rod is horizontally arranged on the base, one end of each control rod extends into each cavity, and a control gear meshed with each bevel gear is arranged on each control rod.

Preferably, the other end of the control rod is fixedly connected with a handle, and anti-skid patterns are arranged on the handle.

Preferably, the inner wall of through-hole is provided with the recess, and the upper and lower both ends of clamping plate are close to the slide that all fixedly connected in one side of recess tank bottom, and slide horizontal slip is equipped with the spring in the recess between two slides, and the spring both ends respectively with recess, clamping plate rigid coupling, the rigid coupling has the montant on the slide that is located the clamping plate upper end, is equipped with on the roof and supplies the montant to stretch out the vertical hole of roof.

Preferably, the diameter of the upper end of the through hole gradually increases from bottom to top.

Preferably, the inner wall of the placing hole is provided with a buffer pad.

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

through control assembly control roof reciprocates to can adjust the distance between roof and the base, adjust the length of the test tube that can place, and two grip blocks elasticity set up in the through-hole, thereby can carry out the centre gripping to the test tube of different diameters size, thereby place the test tube of different specifications, improve the rate of utilization of test tube rack.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic cross-sectional view of a portion of an overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic side view of a part of the structure of an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of a control component according to an embodiment of the present utility model.

Fig. 4 is an enlarged schematic view at a in fig. 1.

In the above figures: 1. a base; 11. placing the hole; 2. a vertical rod; 21. a top block; 3. a top plate; 31. a through hole; 311. a groove; 4. a clamping plate; 41. a slide plate; 51. a screw; 52. a connecting rod; 53. a bevel gear; 54. a control lever; 541. a handle; 6. a spring; 7. a vertical rod; 8. a vertical hole; 9. and a cushion pad.

Detailed Description

In order to make the technical means, creation characteristics, achievement of the purpose and function of the present utility model more clear and easy to understand, the technical scheme of the present utility model is further described below with reference to the accompanying drawings and embodiments.

As shown in fig. 1 to 4, the embodiment of the utility model provides a test tube rack, which comprises a base 1, a vertical rod 2 and a top plate 3; the top plate 3 is correspondingly arranged above the base 1, four vertical rods 2 are arranged, the four vertical rods 2 are respectively and vertically fixedly arranged at four corners of the base 1, the vertical rods 2 penetrate through the top plate 3, a control assembly for controlling the top plate 3 to move along the vertical direction is arranged on the base 1, and a top block 21 is fixedly connected to the top of the vertical rods 2; the base 1 is provided with a plurality of placing holes 11, the top plate 3 is provided with through holes 31 corresponding to the placing holes 11 one by one, and two clamping plates 4 for clamping test tubes are elastically arranged on the inner wall of the through holes 31.

When a test tube is placed, the test tube passes through the through hole 31 on the top plate 3 from top to bottom, the bottom of the test tube is placed in the placing hole 11 on the base 1, two clamping plates 4 in the through hole 31 are matched to clamp the test tube, the test tube with different diameters can be clamped, the top plate 3 is controlled to move through the control assembly, so that the distance between the top plate 3 and the base 1 is changed, when the top plate 3 moves, relative sliding occurs between the top plate 3 and the vertical rod 2, meanwhile, the vertical rod 2 plays a limiting role in moving the top plate 3, the top of the vertical rod 2 is provided with a top block 21, the top plate 3 can be placed to be separated from the vertical rod 2, and reliability is ensured; realize using the test tube rack to place the test tube of different specifications, improve the rate of utilization of test tube rack.

As shown in fig. 1 to 3, the control assembly is a specific structure, and comprises screw rods 51 respectively arranged at two sides of a base 1, a hole for the screw rods 51 to pass through is formed in a top plate 3, internal threads matched with external threads of the screw rods 51 are arranged in the hole, a connecting rod 52 is coaxially fixedly connected to the lower end of the screw rods 51, the connecting rod 52 is rotatably arranged in the base 1, a cavity is formed in the base 1, the lower end of the connecting rod 52 extends into the cavity and is coaxially fixedly connected with a bevel gear 53, a control rod 54 is horizontally arranged on the base 1, one end of the control rod 54 extends into the cavity, and a control gear meshed with the bevel gear 53 is arranged on the control rod 54. When the control rod 54 is rotated, the control gear drives the bevel gear 53 to rotate, so that the connecting rod 52 rotates, the screw rod 51 rotates, the top plate 3 is penetrated with the vertical rod 2 due to the threaded fit of the screw rod 51 and the top plate 3, the vertical rod 2 prevents the top plate 3 from rotating along with the rotation of the screw rod 51, the screw rod 51 and the top plate 3 relatively move in the vertical direction, and the screw rod 51 is rotationally connected to the base 1 through the connecting rod 52, so that the relative displacement occurs between the top plate 3 and the base 1, and the length of the test tube which can be put in is controlled.

Further, as shown in fig. 3, in order to facilitate rotating the control rod 54, the other end of the control rod 54 is fixedly connected with a handle 541, and the handle 541 is provided with anti-skidding patterns, so that friction force on the surface of the handle 541 is increased, and skidding is avoided.

As shown in fig. 1 and fig. 4, the inner wall of the through hole 31 is provided with a groove 311, one side, close to the bottom of the groove 311, of the upper and lower ends of the clamping plate 4 is fixedly connected with a sliding plate 41, the sliding plate 41 horizontally slides in the groove 311, a spring 6 is arranged between the two sliding plates 41, two ends of the spring 6 are fixedly connected with the groove 311 and the clamping plate 4 respectively, a vertical rod 7 is fixedly connected on the sliding plate 41 positioned at the upper end of the clamping plate 4, and a vertical hole 8 for the vertical rod 7 to extend out of the top plate 3 is arranged on the top plate 3. Under the state of not placing the test tube, the elasticity of spring 6 makes two clamping plates 4 be close to each other, when placing the test tube, makes two montants 7 keep away from each other, and montant 7 drives slide 41 and removes to pulling two clamping plates 4 keep away from each other, spring 6 is compressed, thereby is convenient for place the test tube, then unclamp montant 7, and the elasticity of spring 6 makes two clamping plates 4 remove and presss from both sides tightly the test tube.

Further, as shown in fig. 4, the diameter of the upper end of the through hole 31 is gradually increased from bottom to top, so that the test tube can be easily inserted into the through hole 31.

As shown in fig. 1, the buffer pad 9 is arranged on the inner wall of the placement hole 11, so that the test tube is protected, the situation that the test tube is damaged due to direct contact with the placement hole 11 when the test tube is placed is avoided, and the service life of the test tube is prolonged.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (6)

1. A test tube rack, its characterized in that: comprises a base (1), a vertical rod (2) and a top plate (3);

the top plate (3) is correspondingly arranged above the base (1), four vertical rods (2) are arranged, the four vertical rods (2) are respectively and vertically fixedly arranged at four corners of the base (1), the vertical rods (2) penetrate through the top plate (3), a control top plate (3) is arranged on the base (1) and moves along the vertical direction to control the assembly, and a top block (21) is fixedly connected to the top of the vertical rods (2);

be provided with a plurality of holes (11) of placing on base (1), be equipped with on roof (3) with place through-hole (31) of hole (11) one-to-one, through-hole (31) inner wall elasticity is provided with two clamping plates (4) of centre gripping test tube.

2. A test tube rack as claimed in claim 1, wherein: the control assembly comprises screw rods (51) which are respectively arranged on two sides of the base (1), holes for the screw rods (51) to pass through are formed in the top plate (3), internal threads matched with the external threads of the screw rods (51) are formed in the holes, connecting rods (52) are fixedly connected to the lower ends of the screw rods (51) coaxially, the connecting rods (52) are rotatably arranged in the base (1), cavities are formed in the base (1), the lower ends of the connecting rods (52) extend into the cavities and are fixedly connected with bevel gears (53) coaxially, control rods (54) are horizontally arranged on the base (1), one ends of the control rods (54) extend into the cavities, and control gears meshed with the bevel gears (53) are arranged on the control rods (54).

3. A test tube rack as claimed in claim 2, wherein: the other end of the control rod (54) is fixedly connected with a handle (541), and the handle (541) is provided with anti-skid patterns.

4. A test tube rack as claimed in claim 1, wherein: the inner wall of through-hole (31) is provided with recess (311), and the upper and lower both ends of clamping plate (4) are close to one side of recess (311) tank bottom and all fixedly connected with slide (41), and slide (41) horizontal slip is equipped with spring (6) in recess (311) between two slide (41), and spring (6) both ends respectively with recess (311), clamping plate (4) rigid coupling, the rigid coupling has montant (7) on slide (41) that are located clamping plate (4) upper end, is equipped with on roof (3) and supplies montant (7) to stretch out perpendicular hole (8) of roof (3).

5. A test tube rack as claimed in claim 1, wherein: the diameter of the upper end of the through hole (31) gradually increases from bottom to top.

6. A test tube rack as claimed in claim 1, wherein: the inner wall of the placement hole (11) is provided with a buffer cushion (9).