CN210022220U

CN210022220U - Test-tube rack for it is biological experiments

Info

Publication number: CN210022220U
Application number: CN201920418415.9U
Authority: CN
Inventors: 闫淑芹; 杨硕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-02-07
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a test-tube rack for it is biological experiments, including the glass cover, wall fixedly connected with supporting shoe in the glass cover, supporting shoe top fixedly connected with backup pad, two from the bottom up has connected gradually first test-tube rack and second test-tube rack between the backup pad, the test tube hole has been seted up with second test-tube rack surface to first test-tube rack, the test tube hole inner wall sliding connection of second test-tube rack has the stopper, stopper one side fixedly connected with slide bar, the spacing dish of slide bar one end fixedly connected with, slide bar surface slip has cup jointed the mount, mount one end fixed connection is at second test-tube rack inner wall, be connected with the spring between spacing dish and the mount, the spring inner wall slides and cup joints on the slide bar surface. The utility model discloses a be equipped with first test-tube rack and first and test-tube rack, effectually carry the test tube through the stopper, prevent that test tube and test tube pore wall from colliding, cause the test tube to damage.

Description

Test-tube rack for it is biological experiments

Technical Field

The utility model relates to a biological assay equipment technical field, in particular to test-tube rack for biological assay.

Background

The test tube rack is the most basic laboratory instrument in a chemical laboratory for placing and using test tubes, and sometimes test tubes can be placed on the test tube rack to observe the phenomenon of a certain experiment. And current test-tube rack have be that to divide into the different order of size with the test tube hole and discharge, some even be identical test tube hole, therefore the test tube is put into inside, if the test-tube rack moves, the test tube will collide with the test tube hole wall is anti-generation, causes the test tube to damage.

Therefore, it is necessary to invent a test tube rack for biological experiments to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a test-tube rack for it is biological experiments, through being equipped with first test-tube rack and the first and test-tube rack, effectually carry the test tube through the stopper, prevent that test tube and test tube pore wall from colliding, cause the test tube to damage 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: the utility model provides a test-tube rack for it is biological experiments, includes the glass cover, wall fixedly connected with supporting shoe in the glass cover, supporting shoe top fixedly connected with backup pad, two from the bottom up has connected gradually first test-tube rack and second test-tube rack between the backup pad, the test tube hole has been seted up on first test-tube rack and second test-tube rack surface, the test tube hole inner wall sliding connection of second test-tube rack has the stopper, stopper one side fixedly connected with slide bar, the spacing dish of slide bar one end fixedly connected with, slide bar surface slip has cup jointed the mount, mount one end fixed connection is at second test-tube rack inner wall, be connected with the spring between spacing dish and the mount, the spring inner wall slides and cup joints on the slide bar surface.

Preferably, the supporting plates are arranged in a hollow mode, a screw rod is connected between the inner walls of the supporting plates in a rotating mode, and the surface of the screw rod is meshed with the sliding block.

Preferably, one end of the sliding block is fixedly connected to one side of the second test tube rack, a first bevel gear is fixedly sleeved on the top, away from the sliding block, of the surface of the screw rod, the first bevel gear is meshed with a second bevel gear, and a central shaft is fixedly connected to one side of the second bevel gear.

Preferably, the center pin is close to the fixed carousel that has cup jointed of second bevel gear one end surface, two be connected with the drive belt between the carousel, the fixed bearing that has cup jointed of center pin surface, bearing inner race fixed surface connects at the backup pad inner wall, one of them lead screw one end runs through the backup pad roof and extends to outside fixedly connected with knob.

Preferably, one side of stopper all is provided with the foam-rubber cushion with the test tube hole of first test-tube rack in.

Preferably, each test tube hole of second test-tube rack all is provided with four stoppers, four the stopper evenly sets up about the test tube hole.

The utility model discloses a technological effect and advantage:

1. through the arrangement of the glass cover, the experiment personnel can be prevented from being accidentally injured due to the explosion of the test tube when the test tube is observed to react, the limit block can be favorably retracted into the second test tube rack due to the stress of the limit block due to the arrangement of the limit block, the limit block can be favorably extruded on the surface of the test tube due to the arrangement of the spring, the test tube can be prevented from shaking, the first test tube rack and the second test tube rack can be favorably used for stably storing the test tube, the test tube can be effectively clamped through the limit block, the test tube rack can be prevented from moving, the test tube can be collided with the wall;

2. through being equipped with the knob, be favorable to carrying on artificial position of adjusting the second test-tube rack, finally adjust suitable position, the effectual device that makes adjusts the position of second test-tube rack according to the length of test tube, through being equipped with carousel and drive belt, is favorable to making two center pins rotate simultaneously, and effectual messenger second test-tube rack four corners downstream simultaneously prevents that second test-tube rack strength is uneven and damage the test tube.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a top view of the overall structure of the present invention.

Fig. 3 is a schematic view of the structure of the part B in fig. 1 according to the present invention.

Fig. 4 is a schematic view of the structure of the part C in fig. 2 according to the present invention.

Fig. 5 is a schematic view of a portion a of fig. 1 according to the present invention.

In the figure: the test tube rack comprises a glass cover 1, supporting blocks 2, a supporting plate 3, a first test tube rack 4, a second test tube rack 5, a lead screw 6, a sliding block 7, a first bevel gear 8, a second bevel gear 9, a central shaft 10, a rotating disc 11, a bearing 12, a knob 13, a transmission belt 14, a limiting block 15, a sliding rod 16, a limiting disc 17, a fixing clamp 18 and a spring 19.

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.

The utility model provides a test tube rack for biological experiments as shown in figures 1-5, which comprises a glass cover 1, and is beneficial to preventing laboratory personnel from being accidentally injured due to test tube explosion when observing test tube reaction by arranging the glass cover 1, wherein the inner wall of the glass cover 1 is fixedly connected with a supporting block 2, the top of the supporting block 2 is fixedly connected with a supporting plate 3, two supporting plates 3 are sequentially connected with a first test tube rack 4 and a second test tube rack 5 from bottom to top, test tube holes are arranged on the surfaces of the first test tube rack 4 and the second test tube rack 5, the test tube holes of the first test tube rack 4 and the second test tube rack 5 are oppositely arranged, so that test tubes are uniformly stressed, and the test tubes are prevented from being damaged, the inner wall of the test tube holes of the second test tube rack 5 is slidably connected with a limiting block 15, the included angle formed by the upper end face of the limiting block 15 and one side of the limiting block, prevent hindering and prevent the test tube, stopper 15 one side fixedly connected with

slide bar

16, 16 one end fixedly connected with spacing dishes of

slide bar

17, 16 surface sliding of slide bar has cup jointed mount 18, mount 18 one end fixed connection is at 5 inner walls of second test-tube rack, and inside stopper 15 shrink-in second test-tube rack 5 was made through stopper 15 atress, through spring 19 effort, made stopper 15 extrude the test tube surface, prevent that the test tube from rocking, be connected with spring 19 between spacing dishes of 17 and the mount 18, the slide cup joints on slide bar 16 surface of 19 inner walls of spring, through spring 19's effort, effectually cliies the test tube through stopper 15, prevents that the test-tube rack from removing, and makes the test tube collide with the test tube pore wall, causes the test tube to damage.

Further, in the above technical solution, the supporting plate 3 is hollow, a screw rod 6 is rotatably connected between the inner walls of the supporting plate 3, and the surface of the screw rod 6 is engaged with a sliding block 7;

further, in the above technical solution, one end of the slider 7 is fixedly connected to one side of the second test tube rack 5, the top of the surface of the screw rod 6, which is far away from the slider 7, is fixedly sleeved with a first bevel gear 8, the first bevel gear 8 is engaged with a second bevel gear 9, and one side of the second bevel gear 9 is fixedly connected with a central shaft 10;

further, in the above technical solution, a rotating disc 11 is fixedly sleeved on the surface of one end of the central shaft 10 close to the second bevel gear 9, a transmission belt 14 is connected between the two rotating discs 11, a bearing 12 is fixedly sleeved on the surface of the central shaft 10, the surface of the outer ring of the bearing 12 is fixedly connected to the inner wall of the supporting plate 3, one end of one of the screw rods 6 extends to the outside through the top wall of the supporting plate 6 and is fixedly connected with a knob 13, the first bevel gear 8 is engaged with the second bevel gear 9 by manually rotating the knob 13, so that the central shaft 10 rotates, and finally the four screw rods 6 simultaneously rotate in the same speed and direction through the rotating discs 11 and the transmission belt 14, so that the sliding block 7 moves downwards on the;

further, in the above technical scheme, sponge pads are arranged on one side of the limiting block 15 and in the test tube holes of the first test tube rack 4, so that the test tubes are prevented from being damaged, and meanwhile, a certain friction force is increased, so that the test tubes are stable;

further, in the above technical scheme, each test tube hole of the second test tube rack 5 is provided with four limiting blocks 15, and four limiting blocks 15 are uniformly arranged about the test tube hole.

This practical theory of operation:

referring to the attached drawings 1-4 of the specification, the test tube is placed into the test tube hole of the second test tube rack 5, after the test tube touches the limiting block 15, the limiting block 15 is forced to retract into the second test tube rack 5 through the limiting block 15, the limiting block 15 is enabled to extrude the surface of the test tube through the action force of the spring 19, the test tube is prevented from shaking, the test tube is stably stored through the test tube hole of the first test tube rack 4, the test tube is effectively clamped through the limiting block 15 through the action force of the spring 19, the test tube rack is prevented from moving, the test tube collides with the wall of the test tube hole, and the test tube is damaged;

referring to the attached figure 5 of the specification, when the height of the second test tube rack 5 needs to be adjusted, the knob 13 is manually rotated to enable the first bevel gear 8 to be meshed with the second bevel gear 9, so that the central shaft 10 rotates, the four screw rods 6 finally rotate simultaneously at the same speed and the same direction through the rotary table 11 and the transmission belt 14, the sliding blocks 7 move downwards on the surfaces of the screw rods 6, and finally the position of the second test tube rack 5 is adjusted according to the length of a test tube.

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 test-tube rack for biological assay, includes glass cover (1), its characterized in that: the inner bottom wall of the glass cover (1) is fixedly connected with supporting blocks (2), the top of each supporting block (2) is fixedly connected with supporting plates (3), a first test tube rack (4) and a second test tube rack (5) are sequentially connected between the two supporting plates (3) from bottom to top, the surfaces of the first test tube rack (4) and the second test tube rack (5) are provided with test tube holes, the inner wall of the test tube hole of the second test tube rack (5) is connected with a limiting block (15) in a sliding way, one side of the limiting block (15) is fixedly connected with a sliding rod (16), one end of the sliding rod (16) is fixedly connected with a limiting disc (17), a fixed frame (18) is sleeved on the surface of the sliding rod (16) in a sliding manner, one end of the fixed frame (18) is fixedly connected to the inner wall of the second test tube rack (5), a spring (19) is connected between the limiting disc (17) and the fixed frame (18), and the inner wall of the spring (19) is sleeved on the surface of the sliding rod (16) in a sliding manner.

2. The test tube rack for the biological experiment according to claim 1, characterized in that: the supporting plate (3) is hollow, a screw rod (6) is rotatably connected between the inner walls of the supporting plate (3), and the surface of the screw rod (6) is meshed with a sliding block (7).

3. The test tube rack for the biological experiment according to claim 2, characterized in that: slider (7) one end fixed connection is in second test-tube rack (5) one side, first bevel gear (8) have been cup jointed to the top that slider (7) were kept away from on lead screw (6) surface fixed, first bevel gear (8) meshing second bevel gear (9), second bevel gear (9) one side fixedly connected with center pin (10).

4. A test tube rack for biological experiments according to claim 3, characterized in that: center pin (10) are close to second bevel gear (9) one end fixed surface and have cup jointed carousel (11), two be connected with drive belt (14) between carousel (11), center pin (10) fixed surface has connect bearing (12), bearing (12) outer lane fixed surface connects at backup pad (3) inner wall, one of them lead screw (6) one end runs through backup pad (3) roof and extends to outside fixedly connected with knob (13).

5. The test tube rack for the biological experiment according to claim 1, characterized in that: one side of stopper (15) and the downthehole foam-rubber cushion that all is provided with of test tube of first test-tube rack (4).

6. The test tube rack for the biological experiment according to claim 1, characterized in that: each test tube hole of second test-tube rack (5) all is provided with four stopper (15), four stopper (15) evenly set up about the test tube hole.