CN220737651U

CN220737651U - Test tube rack for experiments

Info

Publication number: CN220737651U
Application number: CN202322482341.4U
Authority: CN
Inventors: 马丽; 李静静; 王宇; 王毅谦; 厉蓉蓉; 张娜; 张木子; 刘悦
Original assignee: Nanjing Customs Animal And Plant And Food Testing Center
Current assignee: Nanjing Customs Animal And Plant And Food Testing Center
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-04-09
Anticipated expiration: 2033-09-13

Abstract

The utility model discloses an experimental test tube rack, which comprises a base and side plates connected to two sides of the top of the base, wherein the inner sides of the side plates are sequentially connected with a limiting plate and a plurality of bottom plates from top to bottom, the limiting plate is used for limiting a test tube, the bottom plates are used for supporting the test tube, the bottom plates are connected with a driving mechanism for driving the bottom plates to lift, the driving mechanism comprises two moving blocks, two top plates and studs, the studs are used for driving the two moving blocks to be close to or far away from each other, two ends of the top plates are connected with the bottom plates and the moving blocks, and the side surfaces of the side plates are connected with a locking mechanism for locking the studs. The utility model is applicable to the placement of test tubes with different lengths, improves the applicability of the test tube rack, pushes the movable plate to move downwards, enables the pressing block to be pressed on the corresponding rotating head, and enables the springs to be in a compressed state at the moment, so that the plurality of rotating heads are synchronously locked, the stud is prevented from rotating, the stability of a plurality of bottom plates can be improved, and the test tube placement is safe and reliable.

Description

Test tube rack for experiments

Technical Field

The utility model relates to the technical field of test tube racks, in particular to an experimental test tube rack.

Background

The test tube is a device for mixing solutions or temporarily storing the solutions, is mainly used for storing the liquids in chemical laboratories and medical laboratories, is common laboratory basic equipment, is a tubular object made of glass, and is mainly arc-shaped at the bottom, so that a test tube rack is usually required to support and place the test tube.

The application number is 202320221308.3, and the name is a test-tube rack for medicine detection, mentions that "drive the moving part through twisting the lead screw and be close to each other or keep away from, adjust the bearing plate of bearing test tube and place the distance between the board, make the test tube homoenergetic of different length dimension place on this test-tube rack to improve the suitability of this test-tube rack", but the bearing plate does not set up corresponding locking mechanism, realizes fixing the bearing plate through the screw thread cooperation between lead screw and the moving part, and the stability of bearing plate remains to strengthen promptly.

Disclosure of Invention

The utility model aims to provide the test tube rack for experiments, which is applicable to placing test tubes with different lengths, improves the applicability of the test tube rack, can improve the stability of a plurality of bottom plates, ensures the safe and reliable placement of the test tubes, and solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a test-tube rack for experiments, includes the base and connects in the curb plate of base top both sides, curb plate's inboard from the top down has connected gradually limiting plate, a plurality of bottom plate, and the limiting plate is used for spacing test tube, and the bottom plate is used for supporting the test tube, the bottom plate is connected with the actuating mechanism who is used for driving the bottom plate and goes up and down, actuating mechanism includes two movable blocks, two roof, double-screw bolt, the double-screw bolt is used for driving two movable blocks and is close to each other or keep away from, the both ends of roof link to each other with bottom plate, movable block, the side of curb plate is connected with the locking mechanism who is used for double-screw bolt locking.

Preferably, the driving mechanism further comprises a handle and a rotating head, two ends of the stud are fixedly connected with the handle and the rotating head, and the stud is connected with the two side plates through bearings.

Preferably, a sliding groove is formed in the top of the base, and the moving block is connected to the sliding groove in a sliding mode.

Preferably, the locking mechanism comprises a movable plate, a locking head, a driving column, a plurality of pressing cylinders, a plurality of pressing rods, a plurality of pressing blocks, a plurality of springs, a plurality of inner cavities and a plurality of sliding blocks, wherein the driving column is used for driving the movable plate to move, the locking head is used for locking the movable plate, the inner cavities are arranged in the pressing cylinders, the sliding blocks are slidably connected to the inner cavities, the springs are used for driving the sliding blocks to move towards a direction close to the pressing blocks, two ends of the pressing rods are connected with the sliding blocks and the pressing blocks, the pressing blocks are matched with the rotating head, and the movable plate is used for driving the pressing cylinders to synchronously lift.

Preferably, the spring is positioned in the inner cavity, and two ends of the spring are connected with the sliding block and the pressing cylinder.

Preferably, the locking head is in threaded connection with the movable plate, and an upper groove and a lower groove matched with the locking head are formed in one side of the side plate.

Preferably, two guide grooves are formed in the side faces of the side plates, guide blocks are connected to the guide grooves in a sliding mode, and the guide blocks are fixedly connected with the moving plates.

Preferably, the limiting plate is uniformly provided with a plurality of limiting holes.

Preferably, a plurality of supporting grooves are formed in the top of the bottom plate, and the supporting grooves are matched with the corresponding limiting holes.

Preferably, the stud is in threaded connection with two moving blocks, and the directions of internal threads of the two moving blocks are opposite.

Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with the driving mechanism and the locking mechanism, the driving mechanism comprises two moving blocks, two top plates, studs, handles and rotating heads, the locking mechanism comprises a moving plate, the locking heads, a driving column, a plurality of pressing cylinders, a plurality of pressing rods, a plurality of pressing blocks, a plurality of springs, a plurality of inner cavities and a plurality of sliding blocks, the rotating handles drive the studs to rotate, the two moving blocks can be driven to be close to or far away from each other, the moving blocks apply pushing force or pulling force to the corresponding top plates, the corresponding bottom plates can be driven to lift, namely, the spacing between the bottom plates and the limiting plates is controllable, the device can be suitable for placing test tubes with different lengths, the applicability of test tube racks is improved, after the bottom plates are in proper positions, the moving plates are pushed to move downwards, the pressing cylinders, the pressing rods and the pressing blocks are driven to move downwards, the pressing blocks are pressed on the corresponding rotating heads, at the moment, the springs are in a compression state, the rotating heads are synchronously locked, the studs are prevented from rotating, the stability of the bottom plates can be improved, the test tubes are placed safely and reliably, and the ends of the locking heads are connected with the lower grooves, and the fixing of the moving plates is realized.

Drawings

FIG. 1 is a front perspective view of the present utility model;

FIG. 2 is a schematic diagram of a connection structure between a driving mechanism and a base plate according to the present utility model;

FIG. 3 is a schematic view of a connection structure between a locking mechanism and a side plate according to the present utility model;

FIG. 4 is a partial view of FIG. 3;

FIG. 5 is a schematic diagram showing the connection structure of the pressing cylinder and the pressing rod according to the present utility model;

FIG. 6 is a bottom view of the present utility model;

fig. 7 is a partial view of fig. 6.

In the figure: 1. a base; 2. a side plate; 3. a limiting plate; 4. a limiting hole; 5. a bottom plate; 6. a support groove; 7. a moving block; 8. a chute; 9. a handle; 10. a stud; 11. a vertical groove; 12. a moving plate; 13. a pressing cylinder; 14. briquetting; 15. a rotating head; 16. a top plate; 17. a locking head; 18. pressing a pressing rod; 19. a spring; 20. an inner cavity; 21. a sliding block; 22. a guide groove; 23. a drive column; 24. a lower groove; 25. a guide block; 26. and (5) an upper groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 7, the utility model provides a test tube rack for experiments, which comprises a base 1 and side plates 2 connected to two sides of the top of the base 1, wherein the inner sides of the side plates 2 are sequentially connected with a limiting plate 3 and a plurality of bottom plates 5 from top to bottom, the limiting plate 3 is used for limiting test tubes, and the limiting plate 3 is fixedly connected with the side plates 2; the bottom plate 5 is used for supporting the test tube, and bottom plate 5 can be equipped with three, and adjacent interval equals, and the inboard of curb plate 2 is provided with perpendicular groove 11, and the both ends sliding connection of bottom plate 5 improves the stability that bottom plate 5 goes up and down in corresponding perpendicular groove 11. The bottom plate 5 is connected with a driving mechanism for driving the bottom plate 5 to lift, the driving mechanism comprises two moving blocks 7, two top plates 16 and a stud 10, the stud 10 is used for driving the two moving blocks 7 to be close to or far away from each other, two ends of the top plates 16 are connected with the bottom plate 5 and the moving blocks 7, and the side face of the side plate 2 is connected with a locking mechanism for locking the stud 10.

The rotating handle 9 drives the stud 10 to rotate, so that the two moving blocks 7 can be driven to be close to or far away from each other, the moving blocks 7 apply pushing force or pulling force to the corresponding top plate 16, and the corresponding bottom plate 5 can be driven to lift, namely, the distance between the bottom plate 5 and the limiting plate 3 is controllable, and the test tube rack is applicable to placing test tubes with different lengths, and the applicability of test tube racks is improved. After a plurality of bottom plates 5 are in suitable positions, promote the movable plate 12 and move down, and then drive a plurality of pressing cylinder 13, press the pole 18, the downshift of briquetting 14, make briquetting 14 compress tightly in corresponding rotating head 15, spring 19 is in compressed state this moment, and then lock a plurality of rotating heads 15 in step, prevent that double-screw bolt 10 from gyrating, can improve the stability of a plurality of bottom plates 5, the safe and reliable that the test tube was placed to the tip of locking head 17 links to each other with lower groove 24, realizes the fixed to movable plate 12.

The driving mechanism further comprises a handle 9 and a rotating head 15, two ends of the stud 10 are fixedly connected with the handle 9 and the rotating head 15, and the stud 10 is connected with the two side plates 2 through bearings, so that the rotating stability of the stud 10 can be improved.

The top of base 1 is provided with spout 8, and movable block 7 sliding connection is in spout 8, and spout 8 plays good guide effect to movable block 7, improves the stability that movable block 7 removed.

The locking mechanism comprises a moving plate 12, a locking head 17, a driving column 23, a plurality of pressing cylinders 13, a plurality of pressing rods 18, a plurality of pressing blocks 14, a plurality of springs 19, a plurality of inner cavities 20 and a plurality of sliding blocks 21, wherein the driving column 23 is used for driving the moving plate 12 to move, the locking head 17 is used for locking the moving plate 12, the inner cavities 20 are arranged in the pressing cylinders 13, the sliding blocks 21 are slidably connected with the inner cavities 20, the springs 19 are used for driving the sliding blocks 21 to move towards the direction close to the pressing blocks 14, two ends of the pressing rods 18 are connected with the sliding blocks 21 and the pressing blocks 14, the pressing blocks 14 are matched with the rotating head 15, and the moving plate 12 is used for driving the pressing cylinders 13 to synchronously lift. The driving column 23 can be held to facilitate the movement of the moving plate 12, the operation is labor-saving, when each bottom plate 5 is at a proper position, the moving plate 12 is driven to move downwards, the pressing block 14 moves towards the corresponding rotating head 15, the pressing block 14 is pressed against the corresponding rotating head 15, the locking of the rotating head 15 is realized, the sliding block 21 moves upwards relative to the inner cavity 20, and meanwhile, the spring 19 is in a compressed state. The sliding block 21 plays a good guiding role on the pressing rod 18 and the pressing block 14, so that the pressing block 14 is stably lifted and lowered, and the pressing block 14 is prevented from being misplaced with the corresponding rotating head 15.

The spring 19 is positioned in the inner cavity 20, and two ends of the spring 19 are connected with the sliding block 21 and the pressing cylinder 13.

The locking head 17 is connected with the movable plate 12 in a threaded manner, and an upper groove 26 and a lower groove 24 matched with the locking head 17 are formed in one side of the side plate 2. The locking head 17 comprises a rotary handle and a threaded column connected to the rotary handle, the threaded column is in threaded connection with the movable plate 12, and the rotary handle is rotated to drive the threaded column to rotate, so that the end of the threaded column is connected to the upper groove 26 or the lower groove 24, and the movable plate 12 is positioned and locked.

The side of the side plate 2 is provided with two guide grooves 22, the guide grooves 22 are slidably connected with guide blocks 25, the guide blocks 25 are fixedly connected with the moving plate 12, and when the moving plate 12 is lifted, the guide blocks 25 can slide on the guide grooves 22, so that the moving stability of the moving plate 12 is improved. The end part of the guide groove 22 is an e surface, and when the guide block 25 is connected with the e surface, the end part of the threaded column is aligned with the lower groove 24, so that the locking head 17 is conveniently connected with the lower groove 24; when the guide block 25 is connected with the upper end surface of the guide groove 22, the end of the threaded column is aligned with the upper groove 26, so that the locking head 17 is conveniently connected with the upper groove 26.

The limiting plate 3 is evenly provided with a plurality of limiting holes 4, the top of the bottom plate 5 is provided with a plurality of supporting grooves 6, and the supporting grooves 6 are matched with the corresponding limiting holes 4. The test tube can pass through the limiting hole 4, and the bottom support is in corresponding supporting groove 6, and then realizes spacing and placing to the test tube.

The stud 10 is in threaded connection with the two moving blocks 7, and the directions of internal threads of the two moving blocks 7 are opposite.

Working principle: the test tube passes through the limiting hole 4 on the limiting plate 3, and the bottom is connected with the corresponding supporting groove 6, so that the test tube is supported and limited. When the test tubes with different heights are faced, the corresponding handle 9 can be rotated to drive the stud 10 to rotate, so that the two moving blocks 7 are driven to be close to or far away from each other, pushing force or pulling force is applied to the top plate 16, lifting of the bottom plate 5 is achieved, the distance between the bottom plate 5 and the limiting plate 3 is conveniently controlled, the test tube rack is applicable to placing test tubes with different lengths, and the applicability of the test tube rack is improved. After the position of the corresponding bottom plate 5 is adjusted, the locking head 17 is first rotated to separate the end of the locking head from the upper groove 26, so as to loosen the moving plate 12, and then the driving post 23 is held to drive the moving plate 12 to move downwards, so that the pressing block 14 moves towards the direction of the rotating head 15. When the guide block 25 is connected with the e surface, the end part of the locking head 17 is aligned with the lower groove 24, the pressing block 14 is pressed on the corresponding rotating head 15, the locking of the rotating head 15 is realized, the pressing rod 18 moves upwards relative to the pressing cylinder 13, the spring 19 is in a compressed state, the stud 10 is prevented from rotating, synchronous locking of a plurality of bottom plates 5 is realized, the end part of the rotating locking head 17 is connected with the lower groove 24, the fixation of the moving plate 12 is realized, and the test tube placing is safe and reliable and has strong practicability.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a test-tube rack for experiments, includes base (1) and connects in curb plate (2) of base (1) top both sides, curb plate (2) inboard from the top down has connected gradually limiting plate (3), a plurality of bottom plates (5), and limiting plate (3) are used for spacing test tube, and bottom plate (5) are used for supporting the test tube, a serial communication port, bottom plate (5) are connected with the actuating mechanism who is used for driving bottom plate (5) to go up and down, actuating mechanism includes two movable blocks (7), two roof (16), double-screw bolt (10) are used for driving two movable blocks (7) and are close to each other or keep away from, the both ends of roof (16) link to each other with bottom plate (5), movable block (7), the side of curb plate (2) is connected with the locking mechanism who is used for double-screw bolt (10) locking.

2. The experimental test tube rack according to claim 1, wherein the driving mechanism further comprises a handle (9) and a rotating head (15), two ends of the stud (10) are fixedly connected with the handle (9) and the rotating head (15), and the stud (10) is connected with the two side plates (2) through bearings.

3. The experimental test tube rack according to claim 1, wherein a chute (8) is arranged at the top of the base (1), and the moving block (7) is slidably connected to the chute (8).

4. The test tube rack for experiments according to claim 2, wherein the locking mechanism comprises a moving plate (12), a locking head (17), a driving column (23), a plurality of pressing cylinders (13), a plurality of pressing rods (18), a plurality of pressing blocks (14), a plurality of springs (19), a plurality of inner cavities (20) and a plurality of sliding blocks (21), the driving column (23) is used for driving the moving plate (12) to move, the locking head (17) is used for locking the moving plate (12), the inner cavities (20) are arranged in the pressing cylinders (13), the sliding blocks (21) are slidably connected to the inner cavities (20), the springs (19) are used for driving the sliding blocks (21) to move towards a direction close to the pressing blocks (14), two ends of the pressing rods (18) are connected with the sliding blocks (21) and the pressing blocks (14), the pressing blocks (14) are matched with the rotating head (15), and the moving plate (12) is used for driving the plurality of pressing cylinders (13) to synchronously lift.

5. The experimental test tube rack according to claim 4, wherein the spring (19) is located in the inner cavity (20), and two ends of the spring (19) are connected with the sliding block (21) and the pressing cylinder (13).

6. The test tube rack for experiments according to claim 4, wherein the locking head (17) is in threaded connection with the movable plate (12), and an upper groove (26) and a lower groove (24) matched with the locking head (17) are formed on one side of the side plate (2).

7. The test tube rack for experiments according to claim 4, wherein two guide grooves (22) are formed in the side face of the side plate (2), the guide grooves (22) are slidably connected with guide blocks (25), and the guide blocks (25) are fixedly connected with the movable plate (12).

8. The test tube rack for experiments according to claim 1, wherein the limiting plate (3) is uniformly provided with a plurality of limiting holes (4).

9. The experimental test tube rack according to claim 8, wherein a plurality of supporting grooves (6) are formed in the top of the bottom plate (5), and the supporting grooves (6) are matched with the corresponding limiting holes (4).

10. The experimental test tube rack according to claim 1, wherein the stud (10) is in threaded connection with two moving blocks (7), and the directions of the internal threads of the two moving blocks (7) are opposite.