CN210533933U

CN210533933U - Device for testing surface tension of liquid

Info

Publication number: CN210533933U
Application number: CN201920653659.5U
Authority: CN
Inventors: 李林曦
Original assignee: Daqing Shengshi Rongxin Technology Co ltd
Current assignee: Daqing Shengshi Rongxin Technology Co ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-05-15
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a test liquid surface tension's device, which comprises a fixing plate and i, the bottom of fixed plate is equipped with a plurality of support columns, the bottom of support column is equipped with the base, the top of fixed plate is equipped with the bracing piece, the top of bracing piece is equipped with mounting panel I, the top of mounting panel I is equipped with liquid cup I, the top of fixed plate is equipped with mounting panel II, be connected through the telescopic machanism that is equipped with between mounting panel II and the fixed plate, the one end of mounting panel II is equipped with the quick sensor of power, the bottom of the quick sensor of power is equipped with the couple, the below of couple is equipped with the metal rings that are located liquid cup I, be connected through a plurality of stay. The utility model discloses a test liquid surface tension's device, this design easy operation, reasonable in design for the steady and metal rings separation of the liquid that awaits measuring, liquid rocks when having avoided detecting, and then improves the degree of accuracy that detects.

Description

Device for testing surface tension of liquid

Technical Field

The utility model relates to a liquid tension detects technical field, in particular to test liquid surface tension's device.

Background

The liquid has surface tension which is one of the weight characteristics of the liquid, a plurality of methods are available for measuring the surface tension coefficient of the liquid, a pull-off method is one of the common methods, the method for measuring the surface tension of the liquid by the maximum bubble method is a classical surface tension measuring method, most detecting instruments are placed in a detecting liquid container during experiments, a conventional detecting device drives the detecting liquid container to descend by a screw rod, and then the surface of the detecting liquid is separated from the detecting instruments, and the descending mode often causes the shaking of the detecting liquid, so the detecting effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a test liquid surface tension's device, can effectively solve among the background art detection device and detect liquid container decline with the lead screw drive, and then make and detect liquid surface and detecting instrument and break away from, this kind of decline mode often can cause rocking of detecting liquid, has just so influenced its detection effect's problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a device for testing surface tension of liquid comprises a fixed plate, wherein the bottom of the fixed plate is provided with a plurality of supporting columns, the bottom of each supporting column is provided with a base, the top end of the fixed plate is provided with a supporting rod, the top end of the supporting rod is provided with a first mounting plate, the top end of the first mounting plate is provided with a first liquid cup, a second mounting plate is arranged above the fixed plate and is connected with the fixed plate through a telescopic mechanism, one end of the second mounting plate is provided with a force-sensitive sensor, the bottom end of the force-sensitive sensor is provided with a hook, a metal lifting ring positioned in the first liquid cup is arranged below the hook, the metal lifting ring is connected with the hook through a plurality of pull ropes, a third mounting plate is arranged above the fixed plate, the top end of the third mounting plate is provided with a second liquid, the liquid cup II is communicated with the liquid cup I through a hose, the mounting plate III is connected with the fixing plate through a lifting mechanism, and a limiting mechanism is arranged between the mounting plate III and the fixing plate.

Preferably, telescopic machanism including set up in the expansion box on fixed plate top, the top of expansion box is equipped with through-hole one, run through in the through-hole one and be equipped with the telescopic link, the top of telescopic link with the bottom of mounting panel two is connected, the bottom of telescopic link with be located stopper one in the expansion box is connected, the bilateral symmetry of expansion box is provided with through-hole two, the bottom evenly distributed of telescopic link a plurality of with through-hole two-phase complex through-hole three, adjacent run through in the through-hole two and be equipped with fixing bolt, just fixing bolt runs through one of them through-hole three, one side outer wall of expansion box be equipped with the nut that fixing bolt is connected.

Preferably, the lifting mechanism comprises a threaded hole formed in the fixed plate, a threaded rod penetrates through the threaded hole, the top end of the threaded rod is connected with the bottom end of the mounting plate III through a bearing seat, and the bottom end of the threaded rod is connected with a rotating block located below the fixed plate.

Preferably, the limiting mechanism comprises a fourth through hole formed in the fixed plate, a movable rod penetrates through the fourth through hole, the top end of the movable rod is connected with the bottom end of the third mounting plate, and the bottom end of the movable rod is connected with a limiting block two phase located below the fixed plate.

Preferably, the bottom end of the base is provided with a rubber layer.

Compared with the prior art, the utility model discloses following beneficial effect has: through setting up the force sensor, the mating reaction of stay cord and metal rings, and then detect out the pulling force value when contact and drawing take off, through the telescopic machanism who sets up, and then adjust the approximate height of metal rings in the liquid cup, convenient measurement, through the mating reaction who sets up elevating system and stop gear, and then the height of adjustment liquid cup two, and then change the height of liquid in the liquid cup two, make liquid in the liquid cup two appear the difference in height with the liquid in the liquid cup one, and then siphon phenomenon appears, and then make liquid in the liquid cup one steadily break away from metal rings, this design easy operation, reasonable in design, make the steady and the metal rings separation of the liquid that awaits measuring, liquid rocks when having avoided detecting, and then the degree of accuracy that improves the detection.

Drawings

Fig. 1 is a schematic view of the overall structure of a device for measuring surface tension of a liquid according to the present invention;

fig. 2 is a schematic structural view of the telescopic mechanism of the device for testing surface tension of liquid according to the present invention.

In the figure: 1. a fixing plate; 2. a support pillar; 3. a base; 4. a support bar; 5. a first mounting plate; 6. a first liquid cup; 7. a second mounting plate; 8. a telescoping mechanism; 9. a force sensitive sensor; 10. hooking; 11. a metal hanging ring; 12. mounting a third plate; 13. a second liquid cup; 14. a hose; 15. a lifting mechanism; 16. a limiting mechanism; 17. a telescopic box; 18. a first through hole; 19. a telescopic rod; 20. a second through hole; 21. a first limiting block; 22. fixing the bolt; 23. a nut; 24. a third through hole; 25. a threaded hole; 26. a threaded rod; 27. a bearing seat; 28. rotating the block; 29. a fourth through hole; 30. a movable rod; 31. a second limiting block; 32. a rubber layer; 33. and pulling a rope.

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.

As shown in fig. 1-2, a device for testing surface tension of liquid comprises a fixed plate 1, a plurality of support columns 2 are arranged at the bottom end of the fixed plate 1, a base 3 is arranged at the bottom end of each support column 2, a support rod 4 is arranged at the top end of the fixed plate 1, a first mounting plate 5 is arranged at the top end of the support rod 4, a first liquid cup 6 is arranged at the top end of the first mounting plate 5, a second mounting plate 7 is arranged above the fixed plate 1, the second mounting plate 7 is connected with the fixed plate 1 through a telescopic mechanism 8, a force sensor 9 is arranged at one end of the second mounting plate 7, a hook 10 is arranged at the bottom end of the force sensor 9, a metal hanging ring 11 positioned in the first liquid cup 6 is arranged below the hook 10, the metal hanging ring 11 is connected with the hook 10 through a plurality of pull ropes 33, a third mounting plate 12 is arranged above the fixed, the second liquid cup 13 is communicated with the first liquid cup 6 through a hose 14, the third mounting plate 12 is connected with the fixed plate 1 through a lifting mechanism 15, and a limiting mechanism 16 is arranged between the third mounting plate 12 and the fixed plate 1;

the telescopic mechanism 8 comprises a telescopic box 17 arranged at the top end of the fixed plate 1, a first through hole 18 is formed in the top end of the telescopic box 17, a telescopic rod 19 penetrates through the first through hole 18, the top end of the telescopic rod 19 is connected with the bottom end of the second mounting plate 7, the bottom end of the telescopic rod 19 is connected with a first limiting block 21 positioned in the telescopic box 17, two through holes 20 are symmetrically formed in two sides of the telescopic box 17, a plurality of third through holes 24 matched with the second through holes 20 are uniformly distributed in the bottom of the telescopic rod 19, a fixing bolt 22 penetrates through the adjacent second through holes 20, the fixing bolt 22 penetrates through one third through hole 24, and a nut 23 connected with the fixing bolt 22 is arranged on the outer wall of one side; the lifting mechanism 15 comprises a threaded hole 25 arranged on the fixed plate 1, a threaded rod 26 penetrates through the threaded hole 25, the top end of the threaded rod 26 is connected with the bottom end of the mounting plate III 12 through a bearing seat 27, and the bottom end of the threaded rod 26 is connected with a rotating block 28 positioned below the fixed plate 1; the limiting mechanism 16 comprises a through hole IV 29 arranged on the fixed plate 1, a movable rod 30 penetrates through the through hole IV 29, the top end of the movable rod 30 is connected with the bottom end of the mounting plate III 12, and the bottom end of the movable rod 30 is connected with a limiting block II 31 positioned below the fixed plate 1; the bottom end of the base 3 is provided with a rubber layer 32.

It should be noted that, the utility model relates to a device for testing the surface tension of liquid, when in use, respectively inject the liquid to be tested with the same level into the first liquid cup 6 and the second liquid cup 13, further adjust the length of the telescopic rod 19 in the telescopic box 17, further adjust the height of the second mounting plate 7, further make the metal hanging ring 11 contact the surface of the liquid to be tested, further insert the fixing bolt 22 into the adjacent second through hole 20 and one of the corresponding third through holes 24, further fasten the nut 23, complete the adjustment of the telescopic mechanism 8, further rotate the rotary block 28, further the threaded rod 26 drives the third mounting plate 12 to descend, at the same time the movable rod 30 moves to limit the third mounting plate 12, prevent the third mounting plate 12 from shaking from side to side during the descending process, further the level of the liquid to be tested in the second liquid cup 13 is lower than the level of the liquid to be tested in the first liquid cup 6, further the siphonage occurs, so that the liquid to be measured in the liquid cup I6 is separated from the metal hanging ring 11, and the tension value is measured by the force-sensitive sensor 9, and the surface tension of the liquid to be measured is obtained.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a test liquid surface tension's device which characterized in that: including fixed plate (1), the bottom of fixed plate (1) is equipped with a plurality of support columns (2), the bottom of support column (2) is equipped with base (3), the top of fixed plate (1) is equipped with bracing piece (4), the top of bracing piece (4) is equipped with mounting panel (5), the top of mounting panel (5) is equipped with liquid cup (6), the top of fixed plate (1) is equipped with mounting panel two (7), mounting panel two (7) with be connected through telescopic machanism (8) that are equipped with between fixed plate (1), the one end of mounting panel two (7) is equipped with quick sensor of power (9), the bottom of quick sensor of power (9) is equipped with couple (10), the below of couple (10) is equipped with metal rings (11) that are located in liquid cup (6), metal rings (11) with be connected through a plurality of stay ropes (33) that are equipped with between couple (10), the top of fixed plate (1) is equipped with mounting panel three (12), the top of mounting panel three (12) is equipped with the next-door neighbour the liquid cup two (13) of liquid cup (6), liquid cup two (13) with link up mutually through hose (14) that are equipped with between liquid cup (6), mounting panel three (12) with be connected through elevating system (15) that are equipped with between fixed plate (1), just mounting panel three (12) with be equipped with stop gear (16) between fixed plate (1).

2. The apparatus for testing surface tension of a liquid according to claim 1, wherein: the telescopic mechanism (8) comprises a telescopic box (17) arranged at the top end of the fixed plate (1), a first through hole (18) is arranged at the top end of the telescopic box (17), a telescopic rod (19) penetrates through the first through hole (18), the top end of the telescopic rod (19) is connected with the bottom end of the second mounting plate (7), the bottom end of the telescopic rod (19) is connected with a first limiting block (21) positioned in the telescopic box (17), through holes II (20) are symmetrically arranged on two sides of the telescopic box (17), a plurality of through holes III (24) matched with the through holes II (20) are uniformly distributed at the bottom of the telescopic rod (19), fixing bolts (22) penetrate through the adjacent through holes II (20), and the fixing bolt (22) penetrates through one of the through holes III (24), and a nut (23) connected with the fixing bolt (22) is arranged on the outer wall of one side of the telescopic box (17).

3. The apparatus for testing surface tension of a liquid according to claim 1, wherein: elevating system (15) including set up in screw hole (25) on fixed plate (1), run through threaded rod (26) in screw hole (25), the top of threaded rod (26) with the bottom of mounting panel three (12) is connected through bearing frame (27) that are equipped with, the bottom of threaded rod (26) with be located rotatory piece (28) of fixed plate (1) below are connected.

4. The apparatus for testing surface tension of a liquid according to claim 1, wherein: stop gear (16) including set up in through-hole four (29) on fixed plate (1), run through in through-hole four (29) and be equipped with movable rod (30), just the top of movable rod (30) with the bottom of mounting panel three (12) is connected, the bottom of movable rod (30) with be located stopper two (31) of fixed plate (1) below are connected.

5. The apparatus for testing surface tension of a liquid according to claim 1, wherein: the bottom end of the base (3) is provided with a rubber layer (32).