Measuring cell structure and viscosity measuring instrument

Abstract

The utility model relates to a measuring cell structure and a viscosity measuring instrument. The measuring cell structure comprises a base, a liquid receiving cup, a clamping assembly and a viscosity tube, when the measuring cell structure is used and the viscosity tube needs to be detached for cleaning or replacement, the first clamping structure and the second clamping structure are rotated in opposite directions until the viscosity tube is loosened, and then the viscosity tube is drawn out of the base; when a cleaned viscosity tube or a new viscosity tube needs to be mounted, one end of the viscosity tube is inserted into the mounting hole, the other end of the viscosity tube is clamped into the clamping groove, and then the first clamping structure and the second clamping structure are rotated in opposite directions until the other end of the viscosity tube is clamped, so that the measuring cell structure does not need to disassemble and assemble parts, and is convenient to mount and dismount. The viscosity pipe can be dismounted and mounted by only one step, a user can dismount and replace the viscosity pipe conveniently, operation can be completed easily and conveniently without professional technicians, maintenance is convenient, time is not needed to wait for door-to-door processing of manufacturers, the use efficiency is improved, and the maintenance cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to viscosity detection equipment technical field, especially a kind of measuring cell structure and viscosity measuring instrument. BACKGROUND

[0002] At present, there are many methods for measuring the kinematic viscosity of a liquid, among which the capillary viscometer is the most commonly used viscosity measuring instrument. During the use of the capillary viscometer, the capillary tube (hereinafter referred to as the viscosity tube) often needs to be replaced, such as: in order to ensure that the instrument can meet the measurement of samples beyond the measurement range of the viscosity tube, different specifications of the viscosity tube need to be replaced according to the viscosity of the sample; when the viscosity tube is blocked by contaminants in the sample, the viscosity tube needs to be removed for unblocking treatment or replaced with a new one; when the viscosity tube is contaminated by the gel in the used oil sample, affecting the measurement accuracy, the viscosity tube needs to be removed for deep cleaning.

[0003] At present, water or oil is commonly used as a constant-temperature medium to keep the viscosity tube at a constant temperature. The viscosity tube is fixed in a measuring pool (constant-temperature container) filled with water or oil. The steps for replacing the viscosity tube are complicated, prone to water or oil leakage, and require high skills for the operator. Generally, users cannot safely and conveniently replace the viscosity tube, and usually need to call on the technical personnel of the instrument manufacturer for assistance. Therefore, it brings great inconvenience to the users, increases the downtime of the instrument, affects the normal work of the users, and increases the maintenance cost of the users. CONTENT OF THE UTILITY MODEL

[0004] Therefore, it is necessary to design a measuring pool structure and viscosity measuring instrument that facilitates the disassembly and replacement of the viscosity tube, has no technical requirements for user operation, and allows users to conveniently replace the viscosity tube by themselves.

[0005] A measuring pool structure comprises:

[0006] A base has a top end and a bottom end. An installation hole is formed in the interior of the base and penetrates the top end and the bottom end.

[0007] A liquid receiving cup is installed on the bottom end and communicates with the installation hole.

[0008] A clamping assembly comprises a first clamping structure and a second clamping structure. One end of each of the first clamping structure and the second clamping structure is rotatably connected to the top end. A clamping groove is formed on the surface of the side of the first clamping structure facing the second clamping structure and / or the surface of the side of the second clamping structure facing the first clamping structure.

[0009] A viscosity tube is arranged in the installation hole at one end and located outside the base at the other end.

[0010] The first clamping structure and the second clamping structure are operable to rotate in opposite directions to tighten or loosen the viscosity tube in the clamping groove.

[0011] In one of the embodiments, the base comprises an isolation housing and a metal bath structure installed in the isolation housing; the isolation housing is formed with a first communication hole and a second communication hole as one end of the top end and one end of the bottom end, respectively; the metal bath structure has the mounting hole therein; two ends of the mounting hole are in communication with the first communication hole and the second communication hole, respectively.

[0012] In one of the embodiments, the first clamping structure comprises a first housing with one open side and a first preheating plate arranged in the first housing; one end of the first housing is rotatably connected with the top end; the second clamping structure comprises a second housing with one open side and a second preheating plate arranged in the second housing; one end of the second housing is rotatably connected with the top end, and the open side of the second housing faces the open side of the first housing; the surface of the first preheating plate facing one side of the second preheating plate and / or the surface of the second preheating plate facing one side of the first preheating plate is formed with the clamping groove.

[0013] In one of the embodiments, the first housing comprises a first outer partition plate and a first frame plate extending along the circumference of the first outer partition plate and connected with the first outer partition plate; the first outer partition plate and the first frame plate surround to form the first housing; one end of the first outer partition plate and one end of the first frame plate are rotatably connected with the top end;

[0014] The second housing comprises a second outer partition plate and a second frame plate extending along the circumference of the second outer partition plate and connected with the second outer partition plate; the second outer partition plate and the second frame plate surround to form the second housing; one end of the second outer partition plate and one end of the second frame plate are rotatably connected with the top end; and / or

[0015] The first clamping structure further comprises a first heat insulation plate arranged on the side of the first preheating plate away from the second preheating plate; the second clamping structure further comprises a second heat insulation plate arranged on the side of the second preheating plate away from the first preheating plate.

[0016] In one of the embodiments, the clamping groove comprises first, second, third, fourth and fifth groove sections connected in sequence; the first and second groove sections are located at the ends of the first clamping structure and / or the second clamping structure away from and close to the base respectively; the extension direction of the second groove section is crosswise arranged with the extension direction of the first groove section; the extension direction of the second groove section is crosswise arranged with the extension direction of the third groove section; the extension direction of the third groove section is crosswise arranged with the extension direction of the fourth groove section; the extension direction of the fourth groove section is crosswise arranged with the extension direction of the fifth groove section.

[0017] In one of the embodiments, the side surface of the clamping structure is provided with a first observation window; the side surface of the second clamping structure is provided with a second observation window; the first observation window and the second observation window are at least partially aligned; the first observation window and the second observation window are at least partially aligned and communicate with part of the groove sections of the clamping groove; when the viscosity tube is clamped in the clamping groove, at least part of the viscosity tube aligned with the first observation window and the second observation window is a transparent tube.

[0018] In one of the embodiments, the clamping assembly further comprises a locking structure; the locking structure comprises a locking part arranged on the first clamping structure and a matching part arranged on the second clamping structure; the first clamping structure and the second clamping structure are operable to rotate in opposite directions until the locking part and the matching part are locked to tighten the viscosity tube in the clamping groove.

[0019] In one of the embodiments, the locking part is one of a protruding column and a groove formed on the side of the first clamping structure facing the second clamping structure, and the matching part is the other one of a groove and a protruding column formed on the side of the second clamping structure facing the first clamping structure; when the viscosity tube is clamped in the clamping groove, the protruding column is inserted into the groove to lock the first clamping structure and the second clamping structure.

[0020] In one of the embodiments, the groove is provided with a magnetic attraction member; when the protruding column is inserted into the groove, the magnetic attraction member can attract the protruding column; when the first clamping structure and the second clamping structure are operable to rotate in opposite directions, the first clamping structure and / or the second clamping structure can overcome the attraction force of the magnetic attraction member on the protruding column until the protruding column completely leaves the groove.

[0021] A viscosity measuring instrument, characterized in that it comprises the measuring cell structure as described above.

[0022] In the aforementioned measuring cell structure and viscosity meter, when the viscosity tube needs to be removed for cleaning or replacement, simply apply external force to rotate the first and second clamping structures in opposite directions until the viscosity tube is released, and then pull the viscosity tube out of the base. When installing a cleaned viscosity tube or a new viscosity tube, simply insert one end of the viscosity tube into the mounting hole, then clamp the viscosity tube into the clamping groove, and then apply external force to rotate the first and second clamping structures in opposite directions until the other end of the viscosity tube is clamped for subsequent viscosity testing. Therefore, the aforementioned measuring cell structure allows for quick and easy removal and installation of the viscosity tube without disassembling any parts, making it convenient and quick. It requires no technical skills from the user for replacing the viscosity tube, allowing users to easily maintain and replace the viscosity tube themselves. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of the measuring cell structure in the preferred embodiment of the present invention when the first clamping structure and the second clamping structure are in the open state;

[0024] Figure 2 This is a schematic diagram of the structure of the measuring cell structure in the preferred embodiment of the present invention when the first clamping structure and the second clamping structure are in the clamping state;

[0025] Figure 3 for Figure 2 A cross-sectional view of the measurement pool structure shown;

[0026] Figure 4 for Figure 1 and Figure 2 A cross-sectional view of the base in the structure of the measuring pool shown;

[0027] Figure 5 for Figure 1 and Figure 2 A cross-sectional view of the first clamping structure in the measurement cell structure shown;

[0028] Figure 6 for Figure 5 A schematic diagram of the structure of the first preheating plate in the first clamping structure shown;

[0029] Figure 7 for Figure 1 and Figure 2 A cross-sectional view of the second clamping structure in the measurement cell structure shown;

[0030] Figure 8 for Figure 7 The diagram shows the structure of the second preheating plate in the second clamping structure.

[0031] Label explanation: 100, measuring cell structure; 110, base; 111, top end; 112, bottom end; 113, mounting hole; 114, isolation shell; 1141, first communication hole; 1142, second communication hole; 115, metal bath structure; 120, liquid receiving cup; 130, clamping assembly; 131, first clamping structure; 1311, first shell; 13111, first outer partition plate; 13112, first frame plate; 1312, first preheating plate; 1313, first heat insulation plate; 1314, first observation window; 132, second clamping structure; 1321, second shell; 13211, second outer partition plate; 13212, second frame plate; 1322, second preheating plate; 1323, second heat insulation plate; 1324, second observation window; 133, clamping groove; 1331, first groove section; 1332, second groove section; 1333, third groove section; 1334, fourth groove section; 1335, fifth groove section; 140, viscosity tube. DETAILED DESCRIPTION

[0032] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0034] In describing a position relationship, unless otherwise specified, when an element is referred to as "on" another element, it can be directly on the other element or there can be an intermediate element. It can also be understood that when an element is referred to as "between" two elements, it can be the only one between the two elements, or there can be one or more intermediate elements.

[0035] In the case of using "including", "having", and "containing" described herein, unless using a clear limiting term such as "only", "consisting of", etc., another component can be added. Unless otherwise mentioned, the singular form of the term can include the plural form and cannot be understood as one in number.

[0036] The utility model provides a kind of measuring pool structure and viscosity measurement.Viscosity measuring instrument includes above-mentioned measuring pool structure.Viscosity measuring instrument except other structures in addition to measuring pool structure can adopt structure in prior art, not do hereafter.

[0037] Please refer to Figure 1 And Figure 2 The measuring pool structure 100 in the preferred embodiment of the utility model includes base 110, liquid receiving cup 120, clamping assembly 130 and viscosity tube 140.

[0038] Please refer to Figure 3 And Figure 4 Base 110 has top end 111 and bottom end 112.The inside of base 110 is formed with mounting hole 113 penetrating top end 111 and bottom end 112.Viscosity measuring instrument when measuring pool structure 100 is located in horizontal plane, top end 111 and bottom end 112 are the upper end and lower end of shell respectively.

[0039] Liquid receiving cup 120 is installed on bottom end 112 and communicates with mounting hole 113.

[0040] Please refer to Figures 5 to 8 Clamping assembly 130 includes first clamping structure 131 and second clamping structure 132.Both ends of first clamping structure 131 and second clamping structure 132 are rotatably connected with top end 111.The surface of the side of first clamping structure 131 towards second clamping structure 132 and / or the surface of the side of second clamping structure 132 towards first clamping structure 131 is formed with clamping groove 133.Viscosity measuring instrument wherein, clamping groove 133 can be groove extending along straight line, also can be groove extending along curve, broken line or zigzag line, and zigzag line refers to the line formed by straight line and curve.

[0041] Specifically, clamping groove 133 can be only arranged on the surface of the side of first clamping structure 131 towards second clamping structure 132, and can also be arranged on first clamping structure 131 and second clamping structure 132 simultaneously.Viscosity measuring instrument specifically, when first clamping structure 131 and second clamping structure 132 have clamping groove, the depth of clamping groove is equal to or slightly less than the radius of viscosity tube 140, to ensure that viscosity tube 140 can be stably and reliably clamped between first clamping structure 131 and second clamping structure 132.

[0042] One end of viscosity tube 140 is provided in mounting hole 113, and the other end is located outside base 110.Viscosity measuring instrument thus, in the process of viscosity detection, the liquid to be detected in viscosity tube 140 will enter liquid receiving cup 120, so that the viscosity of the liquid to be detected can be measured.

[0043] The first clamping structure 131 and the second clamping structure 132 are operable to rotate in the same direction or in opposite directions to tighten or loosen the viscosity tube 140 in the clamping groove 133. Thus, when the viscosity tube 140 is clamped between the first clamping structure 131 and the second clamping structure 132, the clamping groove 133 communicates with the mounting hole 113 at one end of the base 110.

[0044] When the viscosity tube 140 needs to be removed for cleaning, the first clamping structure 131 and the second clamping structure 132 are rotated in opposite directions by an external force until the viscosity tube 140 is loosened, and then the viscosity tube 140 is pulled out of the base 110. When the cleaned viscosity tube 140 or a new viscosity tube 140 needs to be installed, one end of the viscosity tube 140 is inserted into the first communication hole 1141, the mounting hole 113, and the second communication hole 1142 in sequence, and then the viscosity tube 140 is clamped in the clamping groove 133. Then, the first clamping structure 131 and the second clamping structure 132 are rotated in the same direction by an external force until the viscosity tube 140 is clamped for subsequent viscosity detection. Therefore, the measurement pool structure 100 can realize the cleaning and installation of the viscosity tube 140 without disassembling parts, which is convenient and fast, and has no technical requirements for the user operator to replace the viscosity tube. It is convenient for users to maintain and replace the viscosity tube, and there is no need to wait for the manufacturer to handle on-site, which is beneficial to the use efficiency of the viscosity measuring instrument and reduces the use cost of the viscosity measuring instrument.

[0045] Please refer again to Figure 1 , Figure 5 and Figure 7 In some embodiments, the base 110 includes an isolation shell 114 and a metal bath structure 115 mounted in the isolation shell 114. The isolation shell 114 is formed with a first communication hole 1141 at one end of the top end 111 and a second communication hole 1142 at one end of the bottom end 112. The metal bath structure 115 has a mounting hole 113 therein. The two ends of the mounting hole 113 communicate with the first communication hole 1141 and the second communication hole 1142, respectively. When the viscosity tube 140 is clamped in the clamping groove 133, the first communication hole 1141 is aligned with the clamping groove 133. The end of the viscosity tube 140 close to the liquid receiving cup 120 can be inserted into the second communication hole 1142 or into the liquid receiving cup 120.

[0046] In this way, the liquid in the viscosity tube 140 is preheated by the metal bath structure 115 before entering the liquid receiving cup 120 to heat the liquid to the target temperature, avoiding measurement errors caused by temperature differences and ensuring the accuracy of the measurement. Preheating can also reduce the impact of temperature on the measurement results and improve the stability of the measurement experiment.

[0047] Meanwhile, compared with the traditional constant temperature medium of water or oil for constant temperature of the viscosity tube 140, the metal bath structure 115 is arranged, which further reduces the replacement difficulty of the viscosity tube 140 and solves the problem of easy leakage of water and oil during replacement of the viscosity tube 140.

[0048] Please refer again to Figures 5 to 8 In some embodiments, the first clamping structure 131 includes a first shell 1311 with one side opening and a first preheating plate 1312 arranged in the first shell 1311. One end of the first shell 1311 is rotationally connected with the top end 111. The second clamping structure 132 includes a second shell 1321 with one side opening and a second preheating plate 1322 arranged in the second shell 1321. One end of the second shell 1321 is rotationally connected with the top end 111, and the opening side of the second shell 1321 faces the opening side of the first shell 1311. The surface of the side of the first preheating plate 1312 facing the second preheating plate 1322 and / or the surface of the side of the second preheating plate 1322 facing the first preheating plate 1312 is formed with a clamping groove 133.

[0049] In this way, when the viscosity tube 140 is clamped between the first clamping structure 131 and the second clamping structure 132, the first preheating plate 1312 and the second preheating plate 1322 can preheat the to-be-detected liquid in the viscosity tube 140 to heat the to-be-detected liquid to a target temperature, avoid measurement errors caused by temperature differences, ensure the accuracy of measurement, and at the same time, preheating can reduce the influence of temperature on the measurement result and improve the stability of the measurement experiment.

[0050] Of course, in the embodiments of the utility model, the measurement pool structure 100 can be provided with only the metal bath structure 115 or the first preheating plate 1312 and the second preheating plate 1322, or can be provided with the metal bath structure 115, the first preheating plate 1312 and the second preheating plate 1322 at the same time, so that the temperature of the to-be-detected liquid in the viscosity tube 140 reaches the target temperature faster, and the accuracy of viscosity measurement and the stability of the measurement experiment are further improved.

[0051] Further, in some embodiments, the first shell 1311 includes a first outer partition plate 13111 and a first frame plate 13112 extending along the circumference of the first outer partition plate 13111 and connected with the first outer partition plate 13111. The first outer partition plate 13111 and the first frame plate 13112 form the first shell 1311. One end of the first outer partition plate 13111 and one end of the first outer partition plate 13111 are both rotationally connected with the top end 111.

[0052] The second outer shell 1321 comprises a second outer partition plate 13211 and a second frame plate 13212 extending along the circumference of the second outer partition plate 13211 and connected with the second outer partition plate 13211. The second outer partition plate 13211 and the second frame plate 13212 form the second outer shell 1321. One end of the second outer partition plate 13211 and one end of the second frame plate 13212 are rotationally connected with the top end 111. The first frame plate 13112 and the second frame plate 13212 can be open frame structures or annular frame structures.

[0053] The first outer shell 1311 is divided into the first outer partition plate 13111 and the first frame plate 13112 by separate molding, and the second outer shell 1321 is divided into the second outer partition plate 13211 and the second frame plate 13212 by separate molding, so as to reduce material waste in the processing of the first outer shell 1311 and the second outer shell 1321 and reduce processing costs. Meanwhile, the first outer partition plate 13111 and the second outer partition plate 13211 can respectively play a heat insulation role for the first preheating plate 1312 and the second preheating plate 1322, which not only reduces the heat loss rate of the first preheating plate 1312 and the second preheating plate 1322 and reduces the energy consumption of the measuring pool structure 100, but also avoids the situation that a worker is injured by accidentally touching the first preheating plate 1312 and the second preheating plate 1322, thereby improving the use safety of the measuring pool structure 100.

[0054] Further, in some embodiments, the first clamping structure 131 further comprises a first heat insulation plate 1313 arranged on the side of the first preheating plate 1312 away from the second preheating plate 1322. The second clamping structure 132 further comprises a second heat insulation plate 1323 arranged on the side of the second preheating plate 1322 away from the first preheating plate 1312. The first heat insulation plate 1313 and the second heat insulation plate 1323 can be materials such as asbestos board, rock wool board, vacuum board and the like that can block heat transfer.

[0055] In this way, the first heat insulation plate 1313 and the second heat insulation plate 1323 are arranged to further reduce the heat loss rate of the first preheating plate 1312 and the second preheating plate 1322, so as to make the energy consumption of the measuring pool structure 100 lower and further reduce the probability of causing a worker to be scalded and the like during use of the measuring pool structure 100.

[0056] Please refer to Figure 6 and Figure 8In some embodiments, the clamping groove 133 comprises a first groove segment 1331, a second groove segment 1332, a third groove segment 1333, a fourth groove segment 1334 and a fifth groove segment 1335 in sequence. The first groove segment 1331 and the second groove segment 1332 are respectively located at the end of the first clamping structure 131 and / or the second clamping structure 132 away from the base 110 and the end close to the base 110. The extension direction of the second groove segment 1332 is crosswise arranged with the extension direction of the first groove segment 1331. The extension direction of the second groove segment 1332 is crosswise arranged with the extension direction of the third groove segment 1333. The extension direction of the third groove segment 1333 is crosswise arranged with the extension direction of the fourth groove segment 1334. The extension direction of the fourth groove segment 1334 is crosswise arranged with the extension direction of the fifth groove segment 1335.

[0057] In this way, the clamping groove 133 is a meandering groove, so when the viscosity tube 140 is clamped between the first clamping structure 131 and the second clamping structure 132, the viscosity tube 140 extends along the extension direction of the clamping groove 133 to improve the clamping stability of the viscosity tube 140 between the first clamping structure 131 and the second clamping structure 132, further reduce the probability of the viscosity tube 140 loosening during the viscosity measurement process, and improve the use reliability of the measuring cell structure 100.

[0058] When the first housing 1311 comprises the first preheating plate 1312 and the second preheating plate 1322, the clamping groove 133 is arranged as the first groove segment 1331, the second groove segment 1332, the third groove segment 1333, the fourth groove segment 1334 and the fifth groove segment 1335 to extend the contact length of the viscosity tube 140 with the first preheating plate 1312 and the second preheating plate 1322 respectively, further accelerate the preheating speed of the liquid to be detected, so that the temperature of the liquid to be detected in the viscosity tube 140 reaches the target temperature faster, and further ensure the accuracy of the viscosity measurement result and the reliable stability of the viscosity measurement.

[0059] Please refer again to Figures 5 to 8 In some embodiments, the side of the first clamping structure 131 is provided with a first observation window 1314. The side of the second clamping structure 132 is formed with a second observation window 1324. The first observation window 1314 and the second observation window 1324 are at least partially aligned. The first observation window 1314 and the second observation window 1324 are at least partially aligned and communicate with part of the groove segments of the clamping groove 133. When the viscosity tube 140 is clamped in the clamping groove 133, at least part of the viscosity tube 140 aligned with the first observation window 1314 and the second observation window 1324 is a transparent tube. The viscosity tube 140 can be a transparent tube only in the first observation window 1314 and the second observation window 1324, or can be a transparent tube all the way.

[0060] Therefore, during the viscosity measurement process, the worker can view the flow of the liquid to be detected in real time through the first observation window 1314, the second observation window 1324, and the transparent part of the viscosity tube 140, which facilitates the worker to monitor the viscosity measurement process.

[0061] Further, in some embodiments, transparent glass (not shown in the figure) is installed on the first observation window 1314 and the second observation window 1324. The transparent glass is arranged to reduce the probability of the temperature of the liquid to be detected in the viscosity tube 140 being dissipated through the first observation window 1314 and the second observation window 1324 while not affecting the worker to view the flow of the liquid to be detected in the viscosity tube 140 in real time.

[0062] In some embodiments, the clamping assembly 130 further comprises a locking structure (not shown in the figure). The locking structure comprises a locking part (not shown in the figure) arranged on the first clamping structure 131 and a matching part (not shown in the figure) arranged on the second clamping structure 132. The first clamping structure 131 and the second clamping structure 132 are operable to rotate in opposite directions until the locking part and the matching part are locked to clamp the viscosity tube 140 in the clamping groove 133.

[0063] In actual application, when it is needed to clamp the viscosity tube 140 between the first clamping structure 131 and the second clamping structure 132, the worker needs to rotate the first clamping structure 131 and the second clamping structure 132 in opposite directions until the viscosity tube 140 is clamped in the clamping groove, at which time the locking part and the matching part cooperate with each other to lock the first clamping structure 131 and the second clamping structure 132, thereby reducing the probability of loosening between the first clamping structure 131 and the second clamping structure 132 after long-term use, causing the viscosity tube 140 to be loosened or slide in the clamping groove 133, and improving the clamping reliability of the viscosity tube 140.

[0064] Further, in some embodiments, the locking part is one of a convex column and a groove formed on the side of the first clamping structure 131 facing the second clamping structure 132, and the matching part is the other one of the groove and the convex column formed on the side of the second clamping structure 132 facing the first clamping structure 131. When the viscosity tube 140 is clamped in the clamping groove 133, the convex column is inserted into the groove to lock the first clamping structure 131 and the second clamping structure 132.

[0065] In actual application, when the viscosity tube 140 is clamped between the first clamping structure 131 and the second clamping structure 132, the convex column is inserted into the groove to realize the locking between the locking part and the matching part; when it is needed to disassemble the viscosity tube 140 for cleaning, the staff only needs to rotate the first clamping structure 131 and the second clamping structure 132 in opposite directions, and the convex column is driven by the first clamping structure 131 or the second clamping structure 132 to slide out of the groove, so as to realize the unlocking between the locking part and the matching part, and facilitate the disassembly of the viscosity tube 140.

[0066] Further, in some embodiments, the groove is provided with a magnetic attraction piece (not shown in the figure). When the convex column is inserted into the groove, the magnetic attraction piece can attract the convex column. When the first clamping structure 131 and the second clamping structure 132 are operatively rotated in opposite directions, the first clamping structure 131 and / or the second clamping structure 132 can overcome the attraction force of the magnetic attraction piece on the convex column until the convex column completely leaves the groove.

[0067] Therefore, when the viscosity tube 140 is clamped between the first clamping structure 131 and the second clamping structure 132, the convex column is attracted into the groove under the magnetic attraction force provided by the magnetic attraction piece, not only making the viscosity tube 140 be clamped more tightly in the viscosity groove, but also reducing the probability of loosening between the first clamping structure 131 and the second clamping structure 132, and further improving the use reliability of the measuring pool structure 100. The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description simple, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application.

[0068] The above-mentioned embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the present application. It should be pointed out that, for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A measurement cell structure, characterized by, The utility model relates to a viscosity tube clamping device, comprising: a base having a top end and a bottom end; an installation hole is formed in the interior of the base and penetrates the top end and the bottom end; a liquid receiving cup is installed on the bottom end and communicates with the installation hole; a clamping assembly comprising a first clamping structure and a second clamping structure; one end of the first clamping structure and one end of the second clamping structure are rotatably connected to the top end; a clamping groove is formed on the surface of the side of the first clamping structure facing the second clamping structure and / or the surface of the side of the second clamping structure facing the first clamping structure; a viscosity tube, one end of which is arranged in the installation hole and the other end of which is located outside the base; wherein the first clamping structure and the second clamping structure are operable to rotate in opposite directions to clamp or release the viscosity tube in the clamping groove.

2. The measuring cell structure according to claim 1, characterized in that The base comprises an isolation shell and a metal bath structure installed in the isolation shell; the isolation shell is formed with a first communication hole and a second communication hole as one end of the top end and one end of the bottom end, respectively; the metal bath structure has the installation hole therein; the two ends of the installation hole communicate with the first communication hole and the second communication hole, respectively.

3. The measuring cell structure according to claim 1, characterized in that The first clamping structure comprises a first shell with an open side and a first preheating plate arranged in the first shell; one end of the first shell is rotatably connected to the top end; the second clamping structure comprises a second shell with an open side and a second preheating plate arranged in the second shell; one end of the second shell is rotatably connected to the top end, and the open side of the second shell faces the open side of the first shell; the clamping groove is formed on the surface of the side of the first preheating plate facing the second preheating plate and / or the surface of the side of the second preheating plate facing the first preheating plate.

4. The measuring cell structure according to claim 3, characterized in that The first shell comprises a first outer partition plate and a first frame plate extending along the circumference of the first outer partition plate and connected to the first outer partition plate; the first outer partition plate and the first frame plate surround to form the first shell; one end of the first outer partition plate and one end of the first frame plate are rotatably connected to the top end; The second shell comprises a second outer partition plate and a second frame plate extending along the circumference of the second outer partition plate and connected to the second outer partition plate; the second outer partition plate and the second frame plate surround to form the second shell; one end of the second outer partition plate and one end of the second frame plate are rotatably connected to the top end; and / or The first clamping structure further comprises a first heat insulation plate arranged on the side of the first preheating plate away from the second preheating plate; the second clamping structure further comprises a second heat insulation plate arranged on the side of the second preheating plate away from the first preheating plate.

5. The measuring cell structure according to claim 1, characterized in that The clamping groove comprises a first groove section, a second groove section, a third groove section, a fourth groove section and a fifth groove section in sequence; the first groove section and the second groove section are respectively located at one end away from the base and one end close to the base of the first clamping structure and / or the second clamping structure; the extension direction of the second groove section is crosswise arranged with the extension direction of the first groove section; the extension direction of the second groove section is crosswise arranged with the extension direction of the third groove section; the extension direction of the third groove section is crosswise arranged with the extension direction of the fourth groove section; the extension direction of the fourth groove section is crosswise arranged with the extension direction of the fifth groove section.

6. The measuring cell structure according to claim 1, characterized in that The side surface of the clamping structure is provided with a first observation window; the side surface of the second clamping structure is provided with a second observation window; the first observation window and the second observation window are at least partially aligned; the first observation window and the second observation window are at least partially aligned and are in communication with part of the groove sections of the clamping groove; when the viscosity tube is clamped in the clamping groove, at least part of the viscosity tube aligned with the first observation window and the second observation window is a transparent tube.

7. The measuring cell structure according to claim 1, characterized in that The clamping assembly further comprises a locking structure; the locking structure comprises a locking part arranged on the first clamping structure and a matching part arranged on the second clamping structure; the first clamping structure and the second clamping structure are operable to rotate in opposite directions until the locking part and the matching part are locked to tighten the viscosity tube in the clamping groove.

8. The measuring cell structure according to claim 7, characterized in that The locking part is one of a convex column and a groove formed on the side of the first clamping structure facing the second clamping structure, and the matching part is the other of a groove and a convex column formed on the side of the second clamping structure facing the first clamping structure; when the viscosity tube is clamped in the clamping groove, the convex column is inserted into the groove to lock the first clamping structure and the second clamping structure.

9. The measuring cell structure according to claim 8, characterized in that The groove is provided with a magnetic attraction member; when the convex column is inserted into the groove, the magnetic attraction member can attract the convex column; when the first clamping structure and the second clamping structure are operable to rotate in opposite directions, the first clamping structure and / or the second clamping structure can overcome the attraction force of the magnetic attraction member on the convex column until the convex column completely leaves the groove.

10. A viscometer, characterized by, The measuring cell structure comprises any one of claims 1 to 9.

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