CN219647550U

CN219647550U - Test tube support for acidometer detection

Info

Publication number: CN219647550U
Application number: CN202320456445.5U
Authority: CN
Inventors: 杨光友
Original assignee: Pudong New Area Zhouqiao Occupational Safety And Health Office Shanghai
Current assignee: Pudong New Area Zhouqiao Occupational Safety And Health Office Shanghai
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-09-08
Anticipated expiration: 2033-03-10

Abstract

The utility model relates to a test tube bracket for acidometer detection, and relates to the technical field of acidometers, which comprises a substrate and a plurality of support columns, wherein a plurality of placing holes for placing test tubes are formed in the substrate, the support columns are arranged in a lifting manner relative to the substrate, a plurality of groups of elastic clamping claws are arranged at the bottom of the substrate, and the plurality of groups of elastic clamping claws are respectively in one-to-one correspondence with the placing holes. The utility model has the effect that the test tube can stably perform constant-temperature water bath, and simultaneously can ensure that the constant-temperature water bath effect is better, reduce the time of water bath and improve the efficiency.

Description

Test tube support for acidometer detection

Technical Field

The utility model relates to the technical field of acidometers, in particular to a test tube bracket for acidometer detection.

Background

Acidometer, also called PH meter, is an instrument for measuring PH value of solution, and the main body is a precision potentiometer. When in measurement, the composite electrode is inserted into the measured solution, different electromotive forces are generated due to different acidity (hydrogen ion concentration) of the measured solution, the measured solution is amplified by a direct current amplifier, and finally the pH value of the measured solution is indicated by a reading indicator (voltmeter).

When the acidimeter detects the pH value of the solution, the solution to be detected is usually put into a glass test tube, the glass test tube is inserted into a water bath device for heating or cooling, and after the temperature of the solution to be detected in the glass test tube is constant, the acidimeter is adopted for detection.

The water bath time is usually longer, so can a plurality of test tubes together carry out the water bath, when putting into the warm water in the water bath device with the test tube, because the bottom of test tube is the arc setting, lead to the test tube difficult to place in the water bath device steadily.

Disclosure of Invention

In order to stably place the test tube in the water bath device, the utility model provides a test tube bracket for detecting the acidometer.

The utility model provides a test tube bracket for acidometer detection, which adopts the following technical scheme:

the utility model provides a test tube support that acidimeter detects usefulness, includes base plate and a plurality of support column, set up a plurality of holes of placing that are used for placing the test tube on the base plate, a plurality of the support column for the base plate goes up and down to set up, the bottom of base plate is provided with multiunit elasticity jack catch, multiunit elasticity jack catch respectively with place the hole one-to-one.

Through adopting above-mentioned technical scheme, when carrying out the thermostatic water bath, place the base plate in the water bath device to support through the support column, make the base plate can keep the distance with the bottom of water bath device, and can set up according to the height of water in the water bath device or the height of the intraductal solution of test, make more solution can pass through the test tube contact with the water in the water bath device, carry out spacingly to the test tube through elastic claw simultaneously, can effectively keep the stability of test tube at the water bath in-process. On the one hand, through the position of elasticity jack catch restriction test tube for the test tube can carry out constant temperature water bath steadily, on the other hand, through the solution of contact water more, makes constant temperature water bath effect better, reduces the time of water bath, raises the efficiency.

Preferably, a plurality of lifting grooves are formed in the supporting column along the axis direction, a first avoidance hole is formed in the substrate, the supporting column penetrates through the first avoidance hole, an elastic limiting ring is fixedly arranged on the wall of the first avoidance hole, and the elastic limiting ring is clamped in one lifting groove.

By adopting the technical scheme, the stability can be improved through the mutual matching of the lifting groove and the elastic limiting ring; through the cooperation of elasticity spacing ring and different lift grooves, realize the purpose of adjustment base plate for water bath device bottom side position.

Preferably, the bottom fixedly connected with of support column is used for adsorbing the sucking disc in the water bath device bottom.

Through adopting above-mentioned technical scheme, adsorb water bath device through the sucking disc for the support column is more stable for water bath device's position.

Preferably, a top plate is further arranged at the top of the base plate, and a lifting rod for adjusting the distance between the top plate and the base plate is connected between the top plate and the base plate.

Through adopting above-mentioned technical scheme, can adjust the roof for the position of base plate through the lifter to can be according to the position of test tube open end, adjust the roof for the position of test tube open end, can effectively restrict the overflow of the steam that produces after the solution in the test tube is heated, thereby improve the water bath effect.

Preferably, the top plate is provided with a second avoiding hole;

the lifting rod comprises a stud and a first nut, one end of the stud is fixedly connected to one side of the base plate, which is close to the top plate, and the other end of the stud penetrates through the second avoidance hole; the first nut is in threaded connection with the stud, and the first nut is abutted against one side of the top plate, which is close to the base plate.

Through adopting above-mentioned technical scheme, through the position of adjustment first nut for the double-screw bolt to change the roof for the position of base plate, it is convenient, simple swift to adjust.

Preferably, the lifting rod further comprises a second nut, the second nut is in threaded connection with the stud, and the second nut abuts against one side, away from the base plate, of the top plate.

Through adopting above-mentioned technical scheme, through the cooperation of second nut and first nut, realize further restriction roof position's in vertical direction purpose for the roof is more stable for the double-screw bolt.

Preferably, the top plate is made of plastic.

Through adopting above-mentioned technical scheme, at the in-process of adjusting the roof for base plate position, can produce certain deformation through the roof of plastics material, the staff of being convenient for adjusts.

Preferably, the elastic claw comprises a plurality of elastic limit posts, the elastic limit posts are circumferentially distributed along the circumferential side of the placement hole, and one end, away from the substrate, of each elastic limit post is obliquely arranged towards the axis of the placement hole.

Through adopting above-mentioned technical scheme, through the spacing post of elasticity, can effectively restrict the test tube and place downthehole position to ensure that the test tube is difficult for the slope to place.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. when constant-temperature water bath is carried out, the substrate is placed in the water bath device and supported by the support columns, so that the substrate can keep a distance from the bottom of the water bath device, and can be arranged according to the height of water in the water bath device or the height of solution in the test tube, so that more solution can be contacted with the water in the water bath device through the test tube, and meanwhile, the test tube is limited by the elastic clamping jaws, so that the stability of the test tube in the water bath process can be effectively maintained; on the one hand, the position of the test tube is limited by the elastic claw, so that the test tube can be stably subjected to constant-temperature water bath, and on the other hand, the effect of the constant-temperature water bath is better by contacting more water solution, the time of the water bath is reduced, and the efficiency is improved;

2. the position of the base plate relative to the bottom side of the water bath device can be adjusted through the mutual matching of the lifting groove and the elastic limiting ring; the water bath device is adsorbed by the sucker, so that the position of the support column relative to the water bath device is more stable;

3. through the cooperation of second nut and first nut, realize the purpose of further limiting the roof position in vertical direction for the roof is more stable for the double-screw bolt.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view showing the connection of a substrate to a support column in accordance with an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a cross-sectional view showing the connection relationship of the lifting rod and the top plate according to the embodiment of the present utility model.

Reference numerals: 1. a substrate; 11. placing the hole; 12. a first avoidance hole; 13. an elastic limit ring; 14. an elastic claw; 141. an elastic limit column; 2. a support column; 21. a lifting groove; 22. a suction cup; 23. a column; 231. a rotating shaft; 3. a top plate; 31. a second avoidance hole; 4. a lifting rod; 41. a stud; 42. a first nut; 43. and a second nut.

Detailed Description

The present utility model will be described in further detail with reference to fig. 1 to 4.

The embodiment of the utility model discloses a test tube bracket for acidometer detection.

Referring to fig. 1, the cuvette holder for acidometer detection includes a base plate 1 and a plurality of support columns 2 provided at the bottom of the base plate 1, and a plurality of placement holes 11 are formed in the base plate 1. Wherein, support column 2 is used for supporting base plate 1 to make base plate 1 keep stable, when carrying out the constant temperature water bath, place base plate 1 in the water bath device, and support through support column 2, place the test tube in placing hole 11 again, so that carry out the constant temperature water bath.

In order to make the substrate 1 more stable, in the embodiment of the present utility model, the number of the support columns 2 is 4, and the support columns are respectively located at four corners of the substrate 1. In order to adapt to water with different heights in the water bath device or solution with different capacities in the test tube, the support column 2 is arranged to be liftable relative to the base plate 1, so that the adjustment is convenient, and the solution in the test tube can be positioned in constant-temperature water for constant-temperature water bath.

Further, referring to fig. 2 and 3, the first avoidance hole 12 is formed at the corner of the substrate 1, the support column 2 is penetrated through the first avoidance hole 12, and a worker can change the position of the support column 2 relative to the first avoidance hole 12, so as to achieve the purpose of adjusting the support column 2.

In the embodiment of the utility model, the support columns 2 are arranged in a cylindrical shape, the support columns 2 are provided with lifting grooves 21 along the circumferential direction of the support columns 2, and the number of the lifting grooves 21 is a plurality of and are uniformly distributed along the axial direction of the support columns 2; preferably, the number of the lifting grooves is 5. The elastic limiting ring 13 is fixedly embedded in the first avoidance hole 12 of the substrate 1, glue adhesion can be adopted in a fixing mode, and meanwhile, the elastic limiting ring 13 is clamped in the lifting groove 21. The lifting grooves 21 at different positions are clamped with the elastic limiting rings 13, so that the purpose that the support column 2 can be axially adjusted relative to the base plate 1 is achieved. In the embodiment of the present utility model, the elastic limiting ring 13 may be made of rubber.

In order to further improve stability when the support column 2 is placed, the bottom fixed mounting of support column 2 has sucking disc 22, and sucking disc 22 can adsorb the bottom of water bath device for support column 2 has better supporting effect, is difficult for taking place the problem of slope or empting.

Since the test tubes have different specifications, the diameters of the placement holes 11 may be different, and the diameters of the placement holes 11 are slightly larger than the diameters of the test tubes in order to facilitate placement of the test tubes. Meanwhile, the bottom of the substrate 1 is provided with a plurality of groups of elastic claws 14, and each placing hole 11 corresponds to one group of elastic claws 14, so that after the test tube is placed in the placing hole 11, the elastic claws 14 can clamp the test tube, and the stability of the test tube during placing is further improved.

Referring to fig. 1 and 2, the elastic claws 14 include a plurality of elastic stopper posts 141, the elastic stopper posts 141 of each group of elastic claws 14 are circumferentially distributed around the axis of the placement hole 11, and one end of each elastic stopper post 141 away from the substrate 1 is inclined toward the axis of the placement hole 11, which also makes the circular diameter formed by the end of the elastic stopper post 141 away from the substrate 1 smaller than the diameter of the corresponding placement hole 11.

When inserting the test tube into place hole 11, prop up the spacing post 141 of elasticity through the test tube, the spacing post 141 of elasticity utilizes its self elasticity to grasp the test tube wall to can effectively restrict the gradient of test tube.

Further, referring to fig. 1 and 4, in order to reduce heat dissipation in the test tube, a top plate 3 is further disposed on top of the substrate 1, and a lifting rod 4 is connected between the top plate 3 and the substrate 1; by adjusting the lifting rod 4, the position of the top plate 3 relative to the base plate 1 can be changed, so that the top plate 3 is as close to the test tube port as possible, and the speed of heat in the test tube overflowing from the test tube port can be effectively limited. Preferably, the top plate 3 is made of plastic material, so that the top plate has certain deformability, and the lifting rod 4 is convenient to adjust.

Specifically, the second avoidance hole 31 is formed in the top plate 3 at the lifting rod 4, the lifting rod 4 comprises a stud 41, a first nut 42 and a second nut 43, one end of the stud 41 is fixedly connected to one side, close to the top plate 3, of the substrate 1, the other end of the stud 41 penetrates through the second avoidance hole 31 and is in threaded fit with the first nut 42 and the second nut 43, meanwhile, the first nut 42 and the second nut 43 are respectively located on two sides of the top plate 3, and the mounting mode can limit the position of the top plate 3 relative to the stud 41.

The implementation principle of the embodiment of the utility model is as follows: the relative position between the support column 2 and the base plate 1 can be adjusted by a worker, and then the base plate 1 is placed in the water bath device; then the water bath device is opened; then, inserting the test tube filled with the solution into the placing hole 11, and enabling the test tube to prop the elastic limit column 141 so as to fix the position of the test tube; finally, the top plate 3 is installed, the positions of the top plate 3 relative to the base plate 1 are adjusted through adjusting the two groups of first nuts 42 and second nuts 43, the top plate 3 can effectively reduce the speed of heat in a test tube overflowing from a test tube port in the process of carrying out constant temperature water bath, and the efficiency of the constant temperature water bath is improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a test tube support that acidimeter detected usefulness, its characterized in that includes base plate (1) and a plurality of support column (2), set up a plurality of holes (11) that are used for placing the test tube on base plate (1), a plurality of support column (2) for base plate (1) go up and down to set up, the bottom of base plate (1) is provided with multiunit elasticity jack catch (14), multiunit elasticity jack catch (14) respectively with place hole (11) one-to-one.

2. The test tube holder for acidometer detection according to claim 1, wherein a plurality of lifting grooves (21) are formed in the axial direction of the support column (2), a first avoidance hole (12) is formed in the substrate (1), the support column (2) is arranged in the first avoidance hole (12) in a penetrating manner, an elastic limiting ring (13) is fixedly arranged on the wall of the first avoidance hole (12), and the elastic limiting ring (13) is clamped in one lifting groove (21).

3. The test tube holder for acidometer detection according to claim 2, wherein the bottom of the support column (2) is fixedly connected with a sucker (22) for being adsorbed at the bottom of the water bath device.

4. The test tube holder for acidometer detection according to claim 1, wherein a top plate (3) is further provided on top of the base plate (1), and a lifting rod (4) for adjusting the distance between the top plate (3) and the base plate (1) is connected between the top plate and the base plate.

5. The tube holder for acidometer detection according to claim 4, characterized in that said top plate (3) is provided with a second avoidance hole (31);

the lifting rod (4) comprises a stud (41) and a first nut (42), one end of the stud (41) is fixedly connected to one side, close to the top plate (3), of the base plate (1), and the second avoidance hole (31) is formed in the other end of the stud (41) in a penetrating mode; the first nut (42) is in threaded connection with the stud (41), and the first nut (42) is abutted against one side, close to the base plate (1), of the top plate (3).

6. The tube holder for acidometer detection according to claim 5, characterized in that the lifting rod (4) further comprises a second nut (43), the second nut (43) is in threaded connection with the stud (41), and the second nut (43) abuts against the side of the top plate (3) away from the base plate (1).

7. The tube holder for acidometer detection according to claim 4, wherein the top plate (3) is made of plastic material.

8. The tube holder for acidometer detection according to claim 1, characterized in that the elastic claw (14) comprises a plurality of elastic limit posts (141), the plurality of elastic limit posts (141) are circumferentially distributed along the circumferential side of the placement hole (11), and one end of each elastic limit post (141) away from the base plate (1) is obliquely arranged toward the axis of the placement hole (11).