CN212228663U

CN212228663U - Automatic interfacial tension tester

Info

Publication number: CN212228663U
Application number: CN202021091760.5U
Authority: CN
Inventors: 李镓; 李建雄; 贾彦昌; 彭东
Original assignee: Shenzhen Zitong Technology Co ltd
Current assignee: Shenzhen Zitong Technology Co ltd
Priority date: 2020-06-13
Filing date: 2020-06-13
Publication date: 2020-12-25
Anticipated expiration: 2030-06-13

Abstract

The utility model relates to an automatic interfacial tension apparatus, include: a meter body; the sample stage is arranged on the tester body; and set up the platinum ring on the apparatus body, be the symmetry on the apparatus body and be provided with collection device, collection device includes: a fixing plate disposed on one side of the measuring instrument body; the sliding block is connected to the fixed plate in a sliding manner; the supporting rod is connected to one side of the sliding block, which is far away from the fixed plate; a supporting block connected to one end of the supporting rod; a collection chamber disposed on the support block; a baffle disposed on a top of the collection chamber; the limiting component is arranged between the collecting cavity and the supporting block; and a locking assembly disposed on the slider. The utility model not only is convenient for effectively collecting the liquid overflowing the sample cup, so as to reduce the fault condition of the tester body; and the stability of the sample cup can be improved, so that the sample cup can be stably placed on the sample table, and the detection result is accurate and high in precision.

Description

Automatic interfacial tension tester

Technical Field

The utility model belongs to the technical field of interfacial tension survey equipment's technique and specifically relates to an automatic interfacial tension apparatus is related to.

Background

The interface tension tester measures the interface tension according to the platinum ring method, namely, a horizontal platinum ring is immersed into liquid with higher interface tension, then the platinum ring is slowly lifted upwards, so that the interface relatively descends and is finally separated from the platinum ring, and the highest value measured in the process is the interface tension value.

The existing interfacial tension tester mainly comprises a torsion wire, a platinum ring, a single chip microcomputer, a display, an electronic measuring instrument, a zero setting device, a testing worm gear pair, a sample cup and other key components. When the torsion of the torsion wire is continuously increased and the surface of the liquid to be tested is broken, the torsion angle of the torsion wire is measured, converted and calculated by an electronic measuring instrument and a single chip microcomputer control system to obtain a tension value, and the tension value is output on a display.

The above prior art solutions have the following drawbacks: however, in the measurement process, the situation that the liquid to be detected overflows from the sample cup easily when too much liquid to be detected is injected into the sample cup due to negligence of an operator often occurs, so that the liquid flows onto the measuring instrument, and therefore not only is the measuring instrument prone to failure, but also the detection result is inaccurate, and the detection precision is affected.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an automatic interfacial tension tester, which can not only facilitate the effective collection of the liquid overflowing from the sample cup, so as to reduce the fault of the tester; but also can improve the stability of the sample cup, so that the sample cup can be stably placed on the sample table, and the detection result is accurate and high in precision.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an automated interfacial tension tester, comprising: a meter body; the sample table is arranged on the tester body and used for placing the sample cup; and set up in platinum ring on the apparatus body, be the symmetry on the apparatus body and be provided with, be used for carrying out the collection device collected to the liquid that overflows the sample cup, collection device includes: a fixing plate disposed on one side of the measuring instrument body; the sliding block is connected to the fixed plate in a sliding mode; the supporting rod is connected to one side, away from the fixed plate, of the sliding block; the supporting block is connected to one end of the supporting rod; a collection chamber disposed on the support block; the guide plate is arranged on the top of the collection cavity and matched with the cup body of the sample cup; the limiting component is arranged between the collecting cavity and the supporting block; and the locking assembly is arranged on the sliding block and used for fixing and limiting the sliding block.

By adopting the technical scheme, the supporting rod, the supporting block, the collecting cavity and the guide plate are matched with each other, so that the effect of effectively collecting liquid overflowing the sample cup can be facilitated, and the fault condition of the tester can be reduced; the limiting assembly is arranged, so that the collection cavity can be conveniently and fixedly connected to the supporting block, and the collection cavity can be conveniently mounted or dismounted; through setting up the structure that locking Assembly, slider and fixed plate mutually supported, can be convenient for fix the slider spacing on the fixed plate to make collection chamber and guide plate can the butt on the cup body of sample cup.

The present invention may be further configured in a preferred embodiment as: the limiting assembly comprises a limiting block arranged on one side of the collecting cavity facing the supporting block; the limiting groove is formed in the supporting block and matched with the limiting block; the first threaded hole penetrates through the supporting block and is communicated with the limiting groove; a second threaded hole which penetrates through the limiting block and corresponds to the first threaded hole; the screw rod is matched with the first threaded hole and the second threaded hole simultaneously; and a knob block connected to the screw.

By adopting the technical scheme, the collection cavity can be conveniently placed on the supporting block by arranging the structure that the limiting block is matched with the limiting groove; through setting up the structure that screw rod, knob piece, first screw hole and second screw hole mutually supported, can be convenient for fix the spacing inslot to the stopper is firm to make collection chamber fixed connection on the supporting shoe.

The present invention may be further configured in a preferred embodiment as: the locking assembly comprises a locking plate arranged on one side, away from the sample table, of the sliding block; a locking hole formed through the locking plate; the locking rod is connected to the locking hole in a sliding mode; the pull ring is connected to one end, far away from the fixing plate, of the locking rod; the locking fixture block is connected to one end, far away from the pull ring, of the locking rod; the spring is sleeved on the locking rod; the sliding chute is arranged on the fixed plate and matched with the sliding block; and the clamping grooves are formed in the bottom of the sliding groove and matched with the locking clamping block.

Through adopting above-mentioned technical scheme, when needs fix the slider spacing, upwards pull up the pull ring for the pull ring moves locking lever along locking hole rebound, and the locking fixture block compresses the spring, then moves the slider to specific position along the spout, then loosens the pull ring, after the elasticity of spring resets, in order to support the top to the locking fixture block, make the locking lever drive the locking fixture block and stretch into in the draw-in groove, thereby can be convenient for play fixed spacing effect to the slider.

The present invention may be further configured in a preferred embodiment as: one side of the sliding block, which faces the fixed plate, is connected with a pulley in a rolling manner, and the pulley is abutted against the sliding groove.

Through adopting above-mentioned technical scheme, through setting up the pulley, the frictional force that produces when can reducing slider and spout mutual contact to can make the slider slide more smoothly on the fixed plate.

The present invention may be further configured in a preferred embodiment as: and one side of the supporting block, which deviates from the supporting rod, is provided with a butting plate which is butted with the cup body of the sample cup.

Through adopting above-mentioned technical scheme, through setting up the butt board, can be convenient for play the effect of effective butt to the sample cup to make the sample cup can stabilize and place at the sample bench, and then can improve the stability of sample cup.

The present invention may be further configured in a preferred embodiment as: the butt joint plate is of an arc-shaped structure.

Through adopting above-mentioned technical scheme, through the butt joint board that sets up arc column structure, can closely laminate with the cup body of sample cup to can play better butt effect to the sample cup.

The present invention may be further configured in a preferred embodiment as: the abutting plate is a rubber plate.

Through adopting above-mentioned technical scheme, be the rubber slab through setting up the butt joint board, can be convenient for play certain protection effect to the sample cup to can reduce the sample cup and appear scraping colored condition.

The present invention may be further configured in a preferred embodiment as: the bottom cover of apparatus body is equipped with a plurality of rubber sleeves.

Through adopting above-mentioned technical scheme, through setting up the rubber sleeve, can be so that the apparatus body is more stable in the testing process.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the structure that the supporting rod, the supporting block, the collecting cavity and the guide plate are matched with each other, the effect of effectively collecting liquid overflowing the sample cup can be facilitated, and the fault condition of the tester can be reduced; the limiting assembly is arranged, so that the collection cavity can be conveniently and fixedly connected to the supporting block, and the collection cavity can be conveniently mounted or dismounted; through the arrangement of the structure that the locking assembly, the sliding block and the fixing plate are matched with each other, the sliding block can be fixed and limited on the fixing plate conveniently, so that the collection cavity and the guide plate can be abutted against the cup body of the sample cup;

2. by arranging the abutting plate, the sample cup can be conveniently and effectively abutted, so that the sample cup can be stably placed on the sample table, and the stability of the sample cup can be improved;

3. through setting up the butt joint board for the rubber slab, can be convenient for play certain protection effect to the sample cup to can reduce the sample cup and appear scraping colored condition.

Drawings

FIG. 1 is a schematic structural view of an automatic interfacial tension measuring instrument according to the present embodiment;

FIG. 2 is a schematic view of the structure of the collecting device of the present embodiment;

fig. 3 is a schematic view of the position of the pulley according to the embodiment.

In the figure, 1, a measuring instrument body; 2. a sample stage; 21. a sample cup; 3. a platinum ring; 4. a fixing plate; 41. a slider; 411. a pulley; 42. a support bar; 43. a support block; 431. a limiting groove; 432. a first threaded hole; 44. a collection chamber; 441. a limiting block; 442. a second threaded hole; 45. a baffle; 46. a screw; 47. a knob block; 48. a chute; 481. a card slot; 5. a locking plate; 51. a locking hole; 52. a locking lever; 53. a pull ring; 54. locking the fixture block; 55. a spring; 6. a butt joint plate; 7. a rubber sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, for the utility model discloses an automatic interfacial tension tester, include: the tester comprises a tester body 1, wherein a sample table 2 is arranged on a bearing surface of the tester body 1, the sample table 2 is used for placing a sample cup 21, and the sample cup 21 is used for containing liquid to be tested; and a platinum ring 3 is arranged on the top of the determinator body 1, the platinum ring 3 is positioned right above the sample stage 2, and the platinum ring 3 is soaked in the liquid to be detected in the sample cup 21 during detection so as to detect the interfacial tension value of the liquid.

Simultaneously, in order to make apparatus body 1 can place on the workstation steadily, so in this embodiment, be equipped with a plurality of rubber sleeves 7 in the bottom cover of this apparatus body 1, these some rubber sleeves 7 can be so that apparatus body 1 is more stable in the testing process to can make the testing result accurate, the precision is high.

As shown in fig. 1 and 2, in order to facilitate collection of the liquid to be detected which overflows from the sample cup 21, in the present embodiment, a collection device is symmetrically disposed on the bearing surface of the measuring apparatus body 1, and the collection device includes: a fixed plate 4, a slider 41, a support bar 42, a support block 43, a collection chamber 44, a deflector 45, and a locking assembly. Wherein, the fixing plate 4 is fixedly arranged on the bearing surface of the tester body 1, and the fixing plate 4 is positioned at one side of the sample stage 2; the sliding block 41 is slidably connected to the fixing plate 4, and a sliding slot 48 is formed in the fixing plate 4, wherein the sliding slot 48 is engaged with the sliding block 41.

As shown in fig. 3, a pulley 411 is connected to the slider 41 so as to roll toward the sliding groove 48, the pulley 411 is in contact with the sliding groove 48, and the pulley 411 is provided to reduce a frictional force generated when the slider 41 and the sliding groove 48 are in contact with each other, so that the slider 41 can be more smoothly slid on the fixed plate 4.

The supporting rod 42 is fixedly connected to a side of the sliding block 41 away from the fixed plate 4, and the supporting rod 42 is in an "L" shape; the supporting block 43 is fixedly connected to a side of the supporting rod 42 away from the sliding block 41; this collection chamber 44 sets up on one side that this supporting shoe 43 deviates from this apparatus body 1 through spacing subassembly is fixed, and this collection chamber 44 can be treated the liquid that detects and collect, and this spacing subassembly can be convenient for carry out fixed mounting or dismantlement to collection chamber 44.

Specifically, as shown in fig. 2, in the present embodiment, the limiting assembly includes: a limit block 441, a limit groove 431, a first threaded hole 432, a second threaded hole 442, a screw 46 and a knob block 47. Wherein, the limiting block 441 is disposed on a side of the collecting cavity 44 facing the supporting block 43; the limiting groove 431 is formed on one side of the supporting block 43 facing the collecting cavity 44, the limiting groove 431 is matched with the limiting block 441, and the collecting cavity 44 can be placed on the limiting groove 431 through the limiting block 441; the first threaded hole 432 penetrates through the supporting block 43, and the first threaded hole 432 and the limiting groove 431 are communicated with each other.

The second threaded hole 442 penetrates through the stopper 441, and the second threaded hole 442 corresponds to the first threaded hole 432; the screw 46 is respectively in threaded connection with the first threaded hole 432 and the second threaded hole 442, and the screw 46 can penetrate through the limiting block 441 and the supporting block 43 through the first threaded hole 432 and the second threaded hole 442; the knob block 47 is fixedly coupled to one end of the screw 46 to rotate the screw 46.

When the collection cavity 44 needs to be fixedly installed on the supporting block 43, the limiting block 441 on the collection cavity 44 is aligned and placed in the limiting groove 431 of the supporting block 43, so that the first threaded hole 432 on the supporting block 43 corresponds to the second threaded hole 442 on the limiting block 441, and then the screw 46 sequentially rotates along the first threaded hole 432 and the second threaded hole 442 to enter the limiting block 441 and the supporting block 43 by rotating the knob block 47 on the screw 46, so that the limiting block 441 can be fixedly installed on the limiting groove 431, and the collection cavity 44 can be fixedly installed on the supporting block 43; when the collection chamber 44 needs to be removed, the collection chamber 44 can be quickly removed from the limiting groove 431 of the supporting block 43 only by screwing out the screw 46.

Meanwhile, as shown in fig. 1 and 2, the flow guide plate 45 is arranged at the top of the collection cavity 44, one side of the flow guide plate 45 is fixedly connected to the top of the collection cavity 44 at one side close to the sample cup 21, the other side of the flow guide plate 45 is inclined upwards and can be tightly abutted to the body of the sample cup 21, when the liquid to be detected overflows from the sample cup 21, the liquid flows onto the flow guide plate 45 along the body of the sample cup 21, and then the liquid flows into the collection cavity 44 along the flow guide plate 45, so that the liquid overflowing the sample cup 21 can be effectively collected; meanwhile, the guide plate 45 abuts against the body of the sample cup 21, so that the sample cup 21 can be stably placed on the sample table 2.

Specifically, as shown in fig. 2 and 3, the locking assembly is disposed on the sliding block 41, and the locking assembly may facilitate a fixing and limiting effect on the sliding block 41. In this embodiment, the locking assembly includes: locking plate 5, locking lever 52, pull ring 53, locking dog 54 and spring 55. Wherein, the locking plate 5 is fixedly connected on one side of the sliding block 41 departing from the sample table 2, and the locking plate 5 is penetrated with a locking hole 51; the locking bar 52 penetrates the locking plate 5 to be engaged with the locking hole 51, so that the locking bar 52 can move up and down on the locking plate 5 along the locking hole 51.

The pull ring 53 is fixedly connected to the locking rod 52; the locking latch 54 is fixedly connected to an end of the locking rod 52 away from the pull ring 53, and a plurality of engaging slots 481 matched with the locking latch 54 are formed at the bottom of the sliding slot 48, so that the locking latch 54 can be inserted into the engaging slots 481; the spring 55 is sleeved on the locking rod 52, one end of the spring 55 is connected to the locking plate 5, and the other end is connected to the locking fixture block 54.

When the slider 41 needs to be fixed and limited, the pull ring 53 is pulled upwards, so that the pull ring 53 drives the locking rod 52 to move upwards along the locking hole 51, the locking fixture block 54 compresses the spring 55 at the moment, then the slider 41 moves on the fixing plate 4 along the sliding groove 48, the guide plate 45 on the cavity 44 to be collected abuts against the cup body of the sample cup 21, the pull ring 53 is loosened, after the spring 55 is elastically reset, the locking fixture block 54 can be abutted, the locking rod 52 drives the locking fixture block 54 to be inserted into the clamping groove 481, so that the effect of fixing and limiting the slider 41 can be realized, and further the collection cavity 44 and the guide plate 45 can be used for effectively collecting the liquid overflowing out of the sample cup 21.

As shown in fig. 2, in order to facilitate the effect of more effectively limiting the cup body of the sample cup 21, in this embodiment, the supporting block 43 deviates from the supporting plate 6 of one side of the supporting rod 42, and the supporting plate 6 is an arc-shaped structure, the supporting plate 6 of the arc-shaped structure can be tightly attached to the cup body of the sample cup 21, so that the sample cup 21 can be stably placed on the sample platform 2, and the stability of the sample cup 21 can be improved.

Simultaneously, this butt plate 6 is a rubber slab, and this rubber slab can be convenient for play certain protection effect to the cup body of sample cup 21 to the condition of scraping flower appears in the cup body that can reduce sample cup 21.

The implementation principle of the embodiment is as follows: when the guide plate 45 on the collection cavity 44 needs to be abutted against the body of the sample cup 21, the stop block 441 on the collection cavity 44 is aligned and placed in the stop groove 431 of the support block 43, and then the screw 46 is rotated along the first threaded hole 432 and the second threaded hole 442 in sequence into the stop block 441 and the support block 43 by rotating the knob block 47 on the screw 46, so that the collection cavity 44 can be fixedly mounted on the support block 43.

Then pull ring 53 is pulled up, make pull ring 53 drive locking lever 52 along locking hole 51 rebound, locking fixture block 54 compresses spring 55 this moment, then slide slider 41 on two fixed plates 4 simultaneously, make slider 41 drive bracing piece 42 along spout 48 and move, bracing piece 42 then drives collection chamber 44 on the supporting shoe 43 and moves, collection chamber 44 drives guide plate 45 butt on the cup body of sample cup 21, then loosen pull ring 53, after the elasticity of spring 55 resets, can support locking fixture block 54, make locking lever 52 drive locking fixture block 54 insert in draw-in groove 481, thereby can be convenient for fix slider 41 on fixed plate 4, and then can accomplish the process of guide plate 45 butt laminating at the cup body of sample cup 21.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An automated interfacial tension tester, comprising: a measuring instrument body (1); the sample table (2) is arranged on the tester body (1) and is used for placing a sample cup (21); and set up in platinum ring (3) on apparatus body (1), its characterized in that, be provided with on apparatus body (1) symmetrically, be used for to overflowing the collection device that the liquid of sample cup (21) was collected, collection device includes: a fixing plate (4) provided on one side of the measuring instrument body (1); a slide block (41) slidably connected to the fixed plate (4); a support rod (42) connected to the side of the slide block (41) departing from the fixed plate (4); a support block (43) connected to one end of the support rod (42); a collection chamber (44) disposed on the support block (43); a deflector (45) disposed on the top of the collection chamber (44) and cooperating with the body of the sample cup (21); a limiting component arranged between the collecting cavity (44) and the supporting block (43); and the locking assembly is arranged on the sliding block (41) and used for fixing and limiting the sliding block (41).

2. The automated interfacial tension tester of claim 1, wherein the stop assembly comprises: a limiting block (441) arranged on one side of the collecting cavity (44) facing the supporting block (43); a limiting groove (431) which is arranged on the supporting block (43) and is matched with the limiting block (441); a first threaded hole (432) penetrating through the supporting block (43) and communicated with the limiting groove (431); a second threaded hole (442) which penetrates through the limiting block (441) and corresponds to the first threaded hole (432); a threaded rod (46) simultaneously engaged with the first threaded hole (432) and the second threaded hole (442); and a knob block (47) connected to the screw (46).

3. The automated interfacial tension meter of claim 1, wherein the locking assembly comprises: the locking plate (5) is arranged on one side, away from the sample table (2), of the sliding block (41); a locking hole (51) penetrating the locking plate (5); a locking lever (52) slidably coupled to the locking hole (51); a pull ring (53) connected to one end of the locking rod (52) far away from the fixing plate (4); a locking fixture block (54) connected to one end of the locking rod (52) far away from the pull ring (53); a spring (55) sleeved on the locking rod (52); a sliding chute (48) which is arranged on the fixed plate (4) and is matched with the sliding block (41); and a plurality of clamping grooves (481) which are arranged at the groove bottom of the sliding groove (48) and are matched with the locking clamping blocks (54).

4. The automated interfacial tension tester according to claim 3, wherein a pulley (411) is connected to one side of the slider (41) facing the fixed plate (4) in a rolling manner, and the pulley (411) abuts against the slide groove (48).

5. The automated interfacial tension tester according to claim 1, wherein an abutment plate (6) is provided on a side of the support block (43) facing away from the support bar (42) for abutment with a body of the sample cup (21).

6. The automated interfacial tension tester of claim 5, wherein the abutment plate (6) has an arc-shaped configuration.

7. The automated interfacial tension tester of claim 6, wherein the abutment plate (6) is a rubber plate.

8. The automated interfacial tension tester according to claim 1, wherein the bottom of the tester body (1) is sleeved with a plurality of rubber sleeves (7).