CN220531678U

CN220531678U - Rotatory test-tube rack with centre gripping function

Info

Publication number: CN220531678U
Application number: CN202321964565.2U
Authority: CN
Inventors: 鲁婷婷; 谭海龙
Original assignee: National Inspection And Testing Holding Group Liaoning Co ltd
Current assignee: National Inspection And Testing Holding Group Liaoning Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2024-02-27
Anticipated expiration: 2033-07-25

Abstract

The utility model relates to a rotary test tube rack with a clamping function, which comprises a base, a support rod and test tube limiting plates, wherein vertical rods are vertically arranged on the base, the vertical rods are provided with a plurality of test tube limiting plates with one ends rotating by taking the support rod as an axis, the test tube limiting plates are provided with a plurality of test tube through holes, and test tube clamping mechanisms are arranged in the test tube through holes. Through being equipped with test tube fixture in the test tube through-hole of test tube limiting plate, make the test-tube rack be suitable for the test tube of different diameters to test tube fixture just can carry out spacingly to the test tube through single test tube limiting plate, the simple operation.

Description

Rotatory test-tube rack with centre gripping function

Technical Field

The utility model relates to the technical field of experimental instruments, in particular to a rotary test tube rack with a clamping function.

Background

Test tube racks are the most basic laboratory instruments used for placing and air-drying test tubes, and are commonly used in chemical laboratories. The common test-tube rack is assembled by base, support usually, has a plurality of rows of through-holes that are used for placing the test tube on the support, and wherein the test-tube rack capacity of single row through-hole is few, and the test-tube rack volume of multirow through-hole is great to be inconvenient for the observation of reaction phenomenon in the central point test tube, all have certain limitation.

The current chinese patent discloses a rotation type test-tube rack (grant bulletin number CN 205868352U), through setting up the bracing piece perpendicularly on the base, be provided with first test tube bracket group and second test tube bracket group on the bracing piece, first test tube bracket group sets up in second test tube bracket group top, first test tube bracket group includes that the multi-disc can wind bracing piece pivoted test tube upper bracket board, be provided with test tube fixed through-hole on test tube upper bracket board, second test tube bracket group includes that the multi-disc can wind bracing piece pivoted test tube bottom plate, be provided with test tube placement groove on test tube bottom plate, it is few or bulky just inconvenient problem of observing to have solved common test-tube rack capacity.

But the fixed through-hole diameter of test tube of this patent is fixed, and the great test tube of diameter can not put into, and test tube bottom plate only is the recess, and spacing ability is relatively poor, and the less test tube of diameter emptys the landing when the test tube top plate is rotatory easily to this rotation type test-tube rack can not be applicable to the test tube of different pipe diameters. And the test-tube rack of this patent need be according to two upper and lower test tube layer boards of test tube height unscrewing before placing the test tube, with the two parallel in vertical direction, just can put into the test tube, the operation is comparatively complicated.

Disclosure of Invention

In view of the above-mentioned shortcomings and disadvantages of the prior art, the utility model provides a rotary test tube rack with a clamping function, which is applicable to test tubes with different diameters by arranging test tube clamping mechanisms in test tube through holes of test tube limiting plates, and the test tube clamping mechanisms enable one test tube limiting plate to limit the test tubes, so that the technical problems that test tubes with different tube diameters cannot be used and the operation is complex in the prior art are solved.

The utility model provides a rotatory test-tube rack with centre gripping function, includes base, bracing piece, test tube limiting plate, be equipped with the pole setting perpendicularly on the base, the pole setting is equipped with a plurality of one end and uses bracing piece as the pivoted test tube limiting plate, the test tube limiting plate is equipped with a plurality of test tube through-hole, is equipped with test tube fixture in the test tube through-hole.

Through being equipped with test tube fixture in the test tube through-hole of test tube limiting plate, make the test-tube rack be suitable for the test tube of different diameters to test tube fixture just can carry out spacingly to the test tube through single test tube limiting plate, the simple operation.

Further, test tube fixture includes 2 grip bars, spring, 2 grip bars are the arc, test tube through-hole inner wall is equipped with grip bar pin joint, and 2 grip bar concave surfaces are inwards, and one end is passed through grip bar pin joint level and is rotated and link to each other, spring one end is fixed continuous with test tube through-hole inner wall level, and the fixed point distance grip bar pin joint of spring and test tube through-hole inner wall is between 1/5 circumference to 1/3 circumference of test tube through-hole circular section, and the spring other end links to each other with the grip bar outside.

Further, a rubber strip is arranged on the inner side of the clamping strip. The clamping strips have friction force through the arrangement of the rubber strips, so that the test tube is prevented from sliding off.

Further, the horizontal upward surface of the rubber strip is an arc surface. The test tube is easy to insert from the upper part of the rubber strip by using the cambered surface on the horizontal upward surface of the rubber strip.

Further, the distance between the fixed point of the spring and the inner wall of the test tube through hole and the hinge point of the clamping bar is 1/4 circumference of the circular section of the test tube through hole. The clamping or rebound of the clamping strip is stabilized by the distance of the fixed point from the hinge point of the clamping strip by 1/4 circumference.

Further, test tube through-hole department still is equipped with supplementary hole expanding mechanism, supplementary hole expanding mechanism includes button, bracing piece, the button is 1/2 circumference of test tube through-hole circular cross-section apart from grip bar pin joint, and the test tube limiting plate is located in the button slip, and the one end and the test tube through-hole inboard of button are linked together, and the other end protrusion test tube limiting plate side, the bracing piece is 2, and the terminal surface that grip bar pin joint was kept away from with the grip bar is articulated respectively to the one end of 2 bracing pieces, and the other end is articulated with the terminal surface in the middle of the button orientation test tube through-hole jointly.

Through setting up supplementary hole expanding mechanism, press the button and strut the grip bar, loosen the button after putting into the test tube, the test tube that the diameter is great of being convenient for, surface friction force is great is arranged in test tube fixture.

Further, the button is T type, and T type top is towards test tube through-hole inboard, test tube limiting plate has with button shape assorted fender edge. Through T type button and assorted fender edge, ejecting break away from test tube limiting plate when preventing the button resilience.

Further, a vacuum chuck is arranged at the bottom of the base. The base is stabilized by arranging the sucker.

The beneficial effects of the utility model are as follows: according to the rotary test tube rack with the clamping function, the test tube clamping mechanism is arranged in the test tube through hole of the test tube limiting plate, so that the test tube rack is applicable to test tubes with different diameters, and the test tube clamping mechanism can limit the test tubes through the single test tube limiting plate, and is convenient to operate. And set up the rubber strip and make the grip bar have frictional force, prevent the test tube landing, the ascending face of rubber strip level is the cambered surface, makes the test tube easily insert from the rubber strip top, has set up supplementary expanding mechanism, and the test tube that the diameter is great of being convenient for, surface friction force is great is arranged in test tube fixture, has still set up the sucking disc and has made the base stable.

Drawings

Fig. 1 is a front view of a rotary test tube rack with a clamping function according to the present utility model;

FIG. 2 is a top view of the tube stop plate of FIG. 1;

fig. 3 is an enlarged view at a in fig. 2.

In the figure: 1. a base; 2. a vertical rod; 3. a test tube limiting plate; 4. a test tube through hole; 5. clamping the strip; 6. a clamping bar hinge point; 7. a spring; 8. a rubber strip; 9. a support rod; 10. a button; 11. and a sucking disc.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

The rotary test tube rack with the clamping function comprises a base 1, a support rod 9 and a test tube limiting plate 3, wherein a vertical rod 2 is vertically arranged on the base 1, the vertical rod 2 is provided with a plurality of test tube limiting plates 3 with one ends rotating by taking the support rod 9 as an axis, the test tube limiting plates 3 are provided with a plurality of test tube through holes 4, and test tube clamping mechanisms are arranged in the test tube through holes 4.

Through being equipped with test tube fixture in test tube through-hole 4 of test tube limiting plate 3, make the test-tube rack be suitable for the test tube of different diameters, test tube limiting plate 3 locates the arbitrary height of pole setting 2, can adapt to the test tube of different length, and test tube fixture just can carry out spacing through single test tube limiting plate 3, the simple operation, because the embodiment of the utility model can be applicable to the test tube that the pipe diameter is thicker, length is longer, this kind of test tube is usually heavier after the injection experimental material, can use two or more test tube limiting plate 3 simultaneously to carry out the centre gripping to the test tube this moment, make the test tube keep stable.

Specifically, test tube fixture includes 2 grip strips 5, spring 7, 2 grip strips 5 are the arc, test tube through-hole 4 inner wall is equipped with grip strip pin joint 6, and 2 grip strip 5 concave surfaces are inwards, and one end links to each other through grip strip pin joint 6 horizontal rotation, spring 7 one end links to each other with test tube through-hole 4 inner wall horizontal fixation, and spring 7 is between 1/5 circumference to 1/3 circumference of grip strip pin joint 6 at test tube through-hole 4 circular cross-section with the fixed point of test tube through-hole 4 inner wall, and the spring 7 other end links to each other with grip strip 5 outsides.

Specifically, a rubber strip 8 is arranged on the inner side of the clamping strip 5. The clamping strip 5 has friction force by arranging the rubber strip 8, so that the test tube is prevented from sliding off.

Specifically, the surface of the rubber strip 8 which is horizontally upwards is an arc surface. The test tube is easy to insert from above the rubber strip 8 by the cambered surface on the horizontal upward surface of the rubber strip 8.

Specifically, the distance between the fixed point of the spring 7 and the inner wall of the test tube through hole 4 and the hinge point 6 of the clamping bar is 1/4 circumference of the circular section of the test tube through hole 4. The clamping or rebound of the clamping strip 5 is stabilized by the fixing point being 1/4 circumference away from the hinge point of the clamping strip.

Specifically, test tube through-hole 4 department still is equipped with supplementary hole expanding mechanism, supplementary hole expanding mechanism includes button 10, bracing piece 9, button 10 is 1/2 circumference of test tube through-hole 4 circular cross-section apart from grip bar pin joint, and button 10 slides and locates test tube limiting plate 3, and the one end of button 10 is linked together with test tube through-hole 4 inboard, and the other end protrusion test tube limiting plate 3 side, bracing piece 9 is 2, and the terminal surface that grip bar pin joint 6 was kept away from to 2 terminal surface that grip bar 5 was kept away from respectively to 2 bracing piece 9 articulates, and the other end articulates with the terminal surface in the middle of the button 10 orientation through-hole jointly.

Through setting up supplementary hole enlargement mechanism, press button 10 and strut grip bar 5, release button 10 after putting into the test tube, the test tube that the diameter is great of being convenient for, surface friction force is great is arranged in test tube fixture.

Specifically, the button 10 is T-shaped, the top end of the T-shaped is towards the inner side of the test tube through hole 4, and the test tube limiting plate 3 is provided with a blocking edge matched with the shape of the button 10. The T-shaped button 10 and the matched blocking edge prevent the push button 10 from being ejected out of the test tube limiting plate 3 when rebounding.

Specifically, a sucking disc is arranged at the bottom of the base 1. The base 11 is stabilized by providing suction cups.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims

1. Rotatory test-tube rack with centre gripping function, its characterized in that: the test tube clamping device comprises a base (1), a supporting rod (9) and a test tube limiting plate (3), wherein a vertical rod (2) is vertically arranged on the base (1), the vertical rod (2) is provided with a plurality of test tube limiting plates (3) with one ends rotating by taking the supporting rod (9) as an axis, the test tube limiting plates (3) are provided with a plurality of test tube through holes (4), and test tube clamping mechanisms are arranged in the test tube through holes (4);

test tube fixture includes 2 grip strips (5), spring (7), 2 grip strips (5) are the arc, test tube through-hole (4) inner wall is equipped with grip strip pin joint (6), and 2 grip strips (5) concave surface is inwards, and one end links to each other through grip strip pin joint (6) horizontal rotation, spring (7) one end is fixed continuous with test tube through-hole (4) inner wall level, and fixed point distance grip strip pin joint (6) of spring (7) and test tube through-hole (4) inner wall is between test tube through-hole (4) circular section's 1/5 circumference to 1/3 circumference, and the spring (7) other end links to each other with grip strip (5) outside.

2. The rotary test tube rack with a clamping function as claimed in claim 1, wherein: the inner side of the clamping strip (5) is provided with a rubber strip (8).

3. The rotary test tube rack with a clamping function as claimed in claim 2, wherein: the horizontal upward surface of the rubber strip (8) is a cambered surface.

4. A rotary test tube rack with clamping function as claimed in claim 1, characterized in that the fixing point of the spring (7) to the inner wall of the test tube through hole (4) is 1/4 circumference of the circular section of the test tube through hole (4) from the hinge point (6) of the clamping bar.

5. A rotary test tube rack with a clamping function as claimed in any one of claims 1 to 4, characterized in that: the utility model discloses a test tube through-hole (4) department still is equipped with supplementary hole expanding mechanism, supplementary hole expanding mechanism includes button (10), bracing piece (9), button (10) are 1/2 circumference of test tube through-hole (4) circular section apart from grip bar (5) pin joint, and button (10) are slided and are located test tube limiting plate (3), and the one end and the test tube through-hole (4) inboard of button (10) are linked together, and the other end protrusion test tube limiting plate (3) side, bracing piece (9) are 2, and the terminal surface articulated of grip bar pin joint (6) is kept away from with grip bar (5) respectively to the one end of 2 bracing pieces (9), and the other end is articulated with the terminal surface in the middle of button (10) orientation test tube through-hole (4) jointly.

6. The rotary test tube rack with a clamping function as claimed in claim 5, wherein: the button (10) is T-shaped, the top end of the T-shaped is towards the inner side of the test tube through hole (4), and the test tube limiting plate (3) is provided with a blocking edge matched with the shape of the button (10).

7. The rotary test tube rack with a clamping function as claimed in claim 1, wherein: the bottom of the base (1) is provided with a sucker (11).