CN212468204U

CN212468204U - Place firm laboratory test-tube rack

Info

Publication number: CN212468204U
Application number: CN202021125906.3U
Authority: CN
Inventors: 郝潇; 花琳琳; 张燕松; 邓超; 刘亚可
Original assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Current assignee: Second Affiliated Hospital of Zhengzhou Unviersity
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-05
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a place firm laboratory test-tube rack, including the test bench, the mouth of a river under having seted up on its surface still includes: the test bed is characterized in that inserting rods are fixedly mounted on two sides of the upper end of the test bed, shrinkage grooves are formed in two sides of the upper end of each inserting rod, a clamping spring is fixedly mounted on one side of the interior of each shrinkage groove, a movable clamping block is fixedly mounted on one end of each shrinkage groove, one end of each shrinkage groove is located on the outer side of each shrinkage groove, a test tube rack is fixedly mounted on the upper end of the test bed, mounting grooves are formed in two sides of the lower end of each shrinkage groove, the inserting rods are movably inserted into the lower ends of the interior of the mounting grooves, a user drives a double-threaded screw to rotate through a rotating handle, the double-threaded screw drives another double-threaded screw to rotate through a transmission chain wheel and a transmission chain, moving thread sleeves at two ends of the double-threaded screw move towards a separated direction, the moving thread sleeves drive movable.

Description

Place firm laboratory test-tube rack

Technical Field

The utility model relates to a laboratory appliance field specifically is a place firm laboratory test-tube rack.

Background

The test tube rack is the most basic laboratory instrument in a chemical laboratory for placing (sometimes, test tubes can be placed on the test tube rack to observe the phenomenon of a certain experiment) and drying the test tubes. The test tube rack is attached with a corresponding number of small wooden columns and small holes. The foraminous tube may be placed upright for use or to allow continued observation of the reaction. The test tube that can will wash of having the post is put upside down to dry, current test-tube rack structure is fairly simple, often can place and use on the test bench, receives when touching as the test-tube rack, causes the test-tube rack to rock easily, turns over even, causes the test tube to receive destruction, and the test tube fixed effect of test-tube rack inside is poor simultaneously, produces easily and rocks, and we have proposed one kind in order to solve this a series of problems and place firm laboratory test-tube rack.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model provides a place firm laboratory test-tube rack, the inserted bar inserts the inside of mounting groove, activity fixture block one side on inserted bar surface is the slope form, along with the inside of the shrink groove of the inserting shrinkage of inserted bar shrink, the inserted bar inserts maximum position department, the activity fixture block resumes the normal position under the effect of card solid spring, make one side of activity fixture block and the laminating of the lower extreme of mounting groove inner wall, be convenient for fix the test-tube rack, the test tube is when the inside in card solid hole simultaneously, the arc fixture block is under supporting spring's effect, both sides to the test tube are fixed, avoid the test tube to produce and rock.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a place firm laboratory test-tube rack, includes the test bench, the mouth of a river under having seted up on its surface still includes: the test bed is characterized in that inserting rods are fixedly arranged on two sides of the upper end of the test bed, contraction grooves are formed in two sides of the upper end of each inserting rod, a clamping spring is fixedly arranged on one side of the inner part of each contraction groove, a movable fixture block is fixedly arranged at one end of each contraction fixture block, one end of each contraction groove is positioned on the outer side of each contraction groove, a test tube rack is fixedly arranged at the upper end of the test bed, mounting grooves are formed in two sides of the lower end of each contraction groove, the inserting rods are movably inserted into the lower ends of the inner parts of the mounting grooves, one side of each movable fixture block is attached to the lower end of the inner part of the corresponding mounting groove, rotary screw sleeves are movably arranged on two sides of the lower end of the test tube rack, threaded hollow tubes are movably inserted into the inner parts of the mounting grooves, a grid net is fixedly, the surface of the test tube rack is provided with fixed holes, the upper end of the interior of the test tube rack is movably provided with a movable plate, the surface of the test tube rack is provided with clamping holes, two sides of the interior of the clamping holes are movably provided with arc-shaped clamping blocks, two sides of the interior of the clamping holes are fixedly provided with supporting springs, the opposite ends of the supporting springs are respectively fixedly connected with one side of the arc-shaped clamping blocks, two sides of the interior of the test tube rack are movably provided with two double-threaded screws, the two sides of the interior of the test tube rack are symmetrically distributed, the two ends of the interior of the test tube rack are positioned at the outer side of the lower end of the movable plate, one end of each double-threaded screw is mutually connected in a transmission manner through an inserting chain wheel and a transmission chain, two ends of the two double-threaded screws are movably sleeved with movable screw sleeves, two the intermediate position department movable mounting that the movable sleeve is opposite has the connecting rod, the inside one end fixed mounting of movable sleeve has connecting spring, its one end with the one end fixed connection of connecting rod.

Preferably, a through hole is formed in the middle of the upper end of the mounting groove, and the threaded hollow pipe is movably inserted into the middle of the mounting groove and is in a hollow cylindrical shape, so that the threaded hollow pipe is convenient to shrink.

Preferably, the equal fixed mounting in both sides of perforation inner wall has the stopper, four the stopper is located the both sides of screw thread air traffic control are symmetric distribution, avoid following the screw thread air traffic control rotation, influence the extension of screw thread air traffic control.

Preferably, both sides of the surface of the threaded hollow pipe are provided with limiting grooves, and the four limiting grooves are movably connected with the limiting block, so that the threaded hollow pipe is limited conveniently.

Preferably, the number of the fixing holes is equal to that of the clamping holes, the fixing holes are symmetrically distributed, and the diameters of the fixing holes are equal to that of the clamping holes, so that the test tubes can be fixed conveniently.

Preferably, the one end of double thread screw rod is located the outside of test-tube rack, and this end fixed mounting has rotatory handle, rotatory handle with the surface of rotatory swivel nut all is provided with anti-skidding line, is convenient for drive double thread screw rod and rotatory swivel nut and rotates.

Preferably, a water outlet pipe is fixedly mounted in the middle of the lower end of the test tube rack and located below the grid net, and the lower end of the water outlet pipe penetrates through the inner part of the water outlet so as to collect cleaning water on the surface of the test tube.

Preferably, the upper end of the inside both sides of test-tube rack has all been seted up the slide rail, the equal fixed mounting in both sides of fly leaf has the slider, the slider with slide rail swing joint, the swing joint of the fly leaf and test-tube rack of being convenient for.

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

1. the utility model has the advantages that the whole device has good fixing effect through the arrangement of the inserted bar, when a user uses the device, the mounting groove at the lower end of the test tube rack is aligned with the inserted bar, the inserted bar is inserted into the mounting groove, one side of the movable fixture block on the surface of the inserted bar is inclined, the inserted bar is inserted into the maximum position along with the insertion of the inserted bar, the movable fixture block is restored under the action of the clamping spring, one side of the movable fixture block is attached to the lower end of the inner wall of the mounting groove, the test tube rack is convenient to be fixed, the test tube rack is prevented from being overturned when the user touches the test tube rack, when the device needs to be disassembled, the user rotates the rotary screw sleeve, the threaded hollow tube moves downwards under the action of the limiting block and the limiting groove, the inner diameter of the threaded hollow tube is equal to the diameter of the inserted bar, the threaded hollow tube is sleeved on the surface of the inserted bar, the, the inserted bar is convenient to draw out from the inside of the mounting groove, a tester inserts the test tube into the clamping hole, the arc-shaped clamping blocks clamp both sides of the test tube under the action of the supporting spring, the fixation of the test tube is enhanced, and the test tube is prevented from shaking in the clamping hole to cause the damage of the test tube;

2. the utility model discloses a setting of double thread screw rod, be convenient for fix the test tube of different length, the user drives a double thread screw rod through rotatory handle and rotates, this double thread screw rod drives another double thread screw rod through drive sprocket and drive chain and rotates, the removal swivel nut at double thread screw rod both ends removes to the direction that leaves mutually, it drives the fly leaf downstream through activity branch to remove the swivel nut, the fly leaf removes along the slide rail through the slider, be convenient for adjust the height of fly leaf, activity branch drives the movable sleeve and all removes to the both sides of connecting rod simultaneously, the supporting effect has been strengthened, setting through the grid net, make the integrated device have fine washing water collection effect, the inside at the test tube rack is placed to the test tube after the washing, wash the inside that water falls into the outlet pipe through the grid net, and flow through the lower mouth of a river.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic view of the front view structure of the device of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

Fig. 3 is an enlarged schematic structural diagram of the position B in fig. 1 according to the present invention.

Fig. 4 is a schematic view of the structure of the threaded hollow pipe of the present invention.

In the figure: 1. a test bed; 2. a test tube rack; 3. a fixing plate; 4. a movable plate; 5. a slider; 6. a slide rail; 7. moving the screw sleeve; 8. a double-thread screw; 9. rotating the handle; 10. a fixing hole; 11. rotating the threaded sleeve; 12. a water outlet pipe; 13. a water outlet; 14. a grid net; 15. a clamping hole; 16. a support spring; 17. a movable sleeve; 18. a connecting spring; 19. a connecting rod; 20. a movable strut; 21. an arc-shaped fixture block; 22. clamping and fixing the spring; 23. mounting grooves; 24. a threaded hollow pipe; 25. inserting a rod; 26. a movable clamping block; 27. perforating; 28. a limiting groove; 29. and a limiting block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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. 1-4, the present invention provides an embodiment: the utility model provides a place firm laboratory test-tube rack, includes test bench 1, mouth of a river 13 under having seted up on its surface still includes: an inserting rod 25 is fixedly arranged on both sides of the upper end of the test bed 1, a contraction groove is arranged on both sides of the upper end of the inserting rod 25, a clamping spring 22 is fixedly arranged on one side inside the contraction groove, a movable fixture block 26 is fixedly arranged on one end of the inserting rod, one end of the movable fixture block 26 is positioned on the outer side of the contraction groove, a test tube rack 2 is fixedly arranged on the upper end of the test bed 1, mounting grooves 23 are respectively arranged on both sides of the lower end of the test bed 1, an inserting rod 25 is movably inserted into the lower end inside the mounting groove 23, one side of the movable fixture block 26 is attached to the lower end inside the mounting groove 23, rotary screw sleeves 11 are movably arranged on both sides of the lower end of the test tube rack 2, a threaded hollow tube 24 is movably inserted into the lower end of the test tube rack 2, a grid net 14 is fixedly arranged on the lower end inside the test tube rack 2, a, a movable plate 4 is movably arranged at the upper end in the test tube rack 2, clamping holes 15 are respectively formed in the surface of the movable plate, arc-shaped clamping blocks 21 are movably arranged on two sides in the clamping holes 15, supporting springs 16 are fixedly arranged on two sides in the clamping holes 15, opposite ends of the supporting springs are respectively fixedly connected with one side of each arc-shaped clamping block 21, two double-threaded screws 8 are movably arranged on two sides in the test tube rack 2, two sides of the lower end of the movable plate 4 are symmetrically distributed, two ends of each double-threaded screw 8 are respectively arranged on the outer side of the test tube rack 2, one end of each double-threaded screw is mutually connected in a transmission manner through an inserting chain wheel and a transmission chain, two ends of each double-threaded screw 8 are respectively movably sleeved with a movable screw sleeve 7, movable supporting rods 20 are respectively movably arranged at the upper ends of the movable screw rods, the upper ends of the movable screw rods are movably connected with two, a connecting spring 18 is fixedly arranged at one end inside the movable sleeve 17, and one end of the connecting spring is fixedly connected with one end of a connecting rod 19.

Specifically, as shown in fig. 1-4, a through hole 27 is formed in the middle of the upper end of the mounting groove 23, and a hollow threaded pipe 24 is movably inserted into the middle of the mounting groove and is hollow cylindrical, so that the hollow threaded pipe 24 can be conveniently contracted.

Specifically, as shown in fig. 1-4, two sides of the inner wall of the through hole 27 are fixedly provided with limit blocks 29, and the four limit blocks 29 are symmetrically arranged on two sides of the threaded hollow pipe 24, so that the influence on the extension of the threaded hollow pipe 24 due to the rotation of the threaded hollow pipe 24 is avoided.

Specifically, as shown in fig. 1 to 4, two sides of the surface of the threaded hollow pipe 24 are provided with a limiting groove 28, and the four limiting grooves 28 are movably connected with a limiting block 29, so that the threaded hollow pipe 24 is limited.

Specifically, as shown in fig. 1 to 4, the number of the fixing holes 10 is equal to that of the clamping holes 15, and the fixing holes 10 are symmetrically distributed, and the diameter of the fixing holes 10 is equal to that of the clamping holes 15, so that the test tubes can be fixed conveniently.

Specifically, as shown in fig. 1 to 4, one end of the double-threaded screw rod 8 is located outside the test tube rack 2, the rotating handle 9 is fixedly mounted at the end, and the anti-slip threads are arranged on the surfaces of the rotating handle 9 and the rotating thread insert 11, so that the double-threaded screw rod 8 and the rotating thread insert 11 can be driven to rotate conveniently.

Specifically, as shown in fig. 1 to 4, a water outlet pipe 12 is fixedly installed at the middle position of the lower end of the test tube rack 2, and is located below the grid mesh 14, and the lower end of the water outlet pipe 12 is inserted into the water outlet 13, so that the cleaning water on the surface of the test tube can be collected conveniently.

Specifically, as shown in fig. 1-4, the upper ends of two sides inside the test tube rack 2 are both provided with a slide rail 6, two sides of the movable plate 4 are both fixedly provided with a slide block 5, and the slide block 5 is movably connected with the slide rail 6, so that the movable plate 4 is movably connected with the test tube rack 2.

The working principle is as follows: when a user uses the test tube rack, the mounting groove 23 at the lower end of the test tube rack 2 is aligned with the inserted rod 25, so that the inserted rod 25 is inserted into the mounting groove 23, one side of the movable fixture block 26 on the surface of the inserted rod 25 is inclined, the inserted rod 25 is inserted into the maximum position along with the insertion and contraction of the inserted rod 25, the movable fixture block 26 is restored to the original position under the action of the clamping and fixing spring 22, one side of the movable fixture block 26 is attached to the lower end of the inner wall of the mounting groove 23, the test tube rack 2 is convenient to fix, the test tube rack 2 is prevented from being toppled over when the user touches the test tube rack 2, when the test tube rack 2 needs to be disassembled, the user rotates the rotary screw sleeve 11, the threaded hollow tube 24 moves downwards under the action of the limiting block 29 and the limiting groove 28, the inner diameter of the threaded hollow tube 24 is equal to the diameter of the inserted rod 25, the threaded hollow tube 24 is sleeved on, the inserting rod 25 is convenient to be drawn out from the inside of the mounting groove 23, a tester inserts a test tube into the clamping hole 15, the arc-shaped clamping block 21 clamps two sides of the test tube under the action of the supporting spring 16, the fixation of the test tube is enhanced, the test tube is prevented from shaking to shake in the clamping hole 15, and the test tube is damaged, a user drives a double-threaded screw 8 to rotate through the rotating handle 9, the double-threaded screw 8 drives another double-threaded screw 8 to rotate through a driving chain wheel and a driving chain, the movable screw sleeves 7 at two ends of the double-threaded screw 8 move in the opposite direction, the movable screw sleeves 7 drive the movable plate 4 to move downwards through the movable supporting rod 20, the movable plate 4 moves along the sliding rail 6 through the sliding block 5, the height of the movable plate 4 is convenient to adjust, meanwhile, the movable supporting rod 20 drives the movable sleeves 17 to move towards two sides of the connecting rod 19, and the supporting effect, through the setting of grid net 14 for whole device has fine washing water collection effect, and the test tube after the washing is placed in the inside of test-tube rack 2, washs water and falls into the inside of outlet pipe 12 through grid net 14, and flows out through outlet pipe 13.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a place firm laboratory test-tube rack, includes test bench (1), mouth of a river (13) under having seted up on its surface, its characterized in that still includes: the test bed is characterized in that inserting rods (25) are fixedly mounted on two sides of the upper end of the test bed (1), contraction grooves are formed in two sides of the upper end of each inserting rod (25), a clamping spring (22) is fixedly mounted on one side of the inner part of each contraction groove, a movable clamping block (26) is fixedly mounted on one end of each contraction groove, one end of each contraction groove is located on the outer side of each contraction groove, a test tube rack (2) is fixedly mounted on the upper end of the test bed (1), mounting grooves (23) are formed in two sides of the lower end of the test tube rack (2), the inserting rods (25) are movably inserted into the lower ends of the inner parts of the mounting grooves (23), one side of each movable clamping block (26) is attached to the lower end of the inner part of the mounting groove (23), rotary screw sleeves (11) are movably mounted on two sides of the lower end of the test, the grid net (14) is fixedly installed at the lower end of the interior of the test tube rack (2), the fixing plate (3) is fixedly installed in the interior of the test tube rack (2) and located at the upper end of the grid net (14), fixing holes (10) are formed in the surface of the grid net, the movable plate (4) is movably installed at the upper end of the interior of the test tube rack (2), clamping holes (15) are formed in the surface of the test tube rack, arc-shaped clamping blocks (21) are movably installed on the two sides of the interior of the clamping holes (15), supporting springs (16) are fixedly installed on the two sides of the interior of the clamping holes (15), opposite ends of the supporting springs are fixedly connected with one sides of the arc-shaped clamping blocks (21), two double-threaded screws (8) are movably installed on the two sides of the interior of the test tube rack (2), the two sides of the interior, its one end is connected, two through interlude sprocket and drive chain mutual drive the equal movable sleeve in both ends of double thread screw rod (8) is equipped with and removes swivel nut (7), its upper end equal movable mounting has movable branch (20), its upper end with both sides swing joint of fly leaf (4) lower extreme, two are adjacent movable mounting is located to the intermediate position of movable branch (20) one side has movable sleeve (17), two movable mounting is located to the intermediate position of movable sleeve (17) opposite face has connecting rod (19), the inside one end fixed mounting of movable sleeve (17) has connecting spring (18), its one end with the one end fixed connection of connecting rod (19).

2. A laboratory test tube rack for stable placement according to claim 1, characterized in that: the middle position of the upper end of the mounting groove (23) is provided with a through hole (27), and the middle position of the interior of the mounting groove is movably inserted with the threaded hollow pipe (24) which is in a hollow cylindrical shape.

3. A laboratory test tube rack for stable placement according to claim 2, characterized in that: the both sides of perforation (27) inner wall all fixed mounting have stopper (29), four stopper (29) are located the both sides of screw thread hollow pipe (24) are the symmetric distribution.

4. A laboratory test tube rack for stable placement according to claim 3, characterized in that: both sides of the surface of the threaded hollow pipe (24) are provided with limit grooves (28), and the four limit grooves (28) are movably connected with the limit block (29).

5. A laboratory test tube rack for stable placement according to claim 1, characterized in that: the number of the fixing holes (10) is equal to that of the clamping holes (15), the fixing holes are symmetrically distributed, and the diameter of each fixing hole (10) is equal to that of each clamping hole (15).

6. A laboratory test tube rack for stable placement according to claim 1, characterized in that: one end of the double-thread screw rod (8) is located on the outer side of the test tube rack (2), a rotating handle (9) is fixedly mounted at the end of the double-thread screw rod, and anti-skid threads are arranged on the surfaces of the rotating handle (9) and the rotating thread sleeve (11).

7. A laboratory test tube rack for stable placement according to claim 1, characterized in that: the water outlet pipe (12) is fixedly mounted in the middle of the lower end of the test tube rack (2) and located below the grid net (14), and the lower end of the water outlet pipe (12) is inserted into the lower water gap (13).

8. A laboratory test tube rack for stable placement according to claim 1, characterized in that: slide rail (6) have all been seted up to the upper end of test-tube rack (2) inside both sides, the equal fixed mounting in both sides of fly leaf (4) has slider (5), slider (5) with slide rail (6) swing joint.