CN116295703B

CN116295703B - Experimental measuring cylinder

Info

Publication number: CN116295703B
Application number: CN202310549972.5A
Authority: CN
Inventors: 游翠玉; 张文娟; 李莎; 张素雅; 孙金钥
Original assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Current assignee: First Affiliated Hospital of Medical College of Xian Jiaotong University
Priority date: 2023-05-16
Filing date: 2023-05-16
Publication date: 2023-08-04
Anticipated expiration: 2043-05-16
Also published as: CN116295703A

Abstract

The invention discloses an experimental measuring cylinder, which comprises a cylinder body with graduation marks engraved on the surface, and also comprises a piston sheet, wherein the piston sheet is arranged in the cylinder body in a sliding manner, and a plurality of first through holes are formed in the piston sheet in a penetrating manner; the guide piece is arranged on one side of the piston sheet, which is close to the bottom of the cylinder body, and the experimental measuring cylinder is different from the prior art, the position of the piston sheet can be set in advance according to the quantity of required liquid through the arrangement of the piston sheet, then the liquid can be directly poured, and in the process of pouring the liquid, when the liquid reaches the requirement, the liquid automatically pushes the floating plate to move upwards and clings to the piston sheet to be blocked, and the liquid below the piston sheet is the required quantity at the moment; in addition, even if more liquid is poured than actual demand, the floating plate has plugged the piston sheet, and redundant liquid can be located above the piston sheet and does not interfere with or influence the amount of liquid needed below the piston sheet, so that the liquid can be rapidly and accurately measured and used.

Description

Experimental measuring cylinder

Technical Field

The invention relates to the technical field of experimental equipment, in particular to an experimental measuring cylinder.

Background

The measuring cylinder is used as a glass instrument for measuring liquid, is widely used in conventional physicochemical use, is influenced by the use characteristics of the measuring cylinder, namely, the difference of pitch angles of readings, as shown in fig. 1, so that the amount of the liquid to be measured is not accurate enough, and the reading error is also caused by the influence of the fluidity of the liquid in the process of pouring the liquid.

Disclosure of Invention

The invention aims to provide an experimental measuring cylinder so as to solve the problems of liquid measurement errors and time consumption in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: an experimental measuring cylinder comprises a cylinder body with graduation marks carved on the surface, and further comprises:

the piston sheet is arranged in the cylinder in a sliding manner, and a plurality of first through holes are formed in the piston sheet in a penetrating manner; a kind of electronic device with high-pressure air-conditioning system

The guide piece is arranged on one side of the piston piece, which is close to the bottom of the cylinder body; a kind of electronic device with high-pressure air-conditioning system

The floating plate is slidably arranged on the guide piece, a plurality of through holes II are formed in the floating plate in a penetrating mode, the through holes II are arranged in a staggered mode with the through holes I, and the through holes I and the through holes II are plugged when the floating plate abuts against the piston piece; a kind of electronic device with high-pressure air-conditioning system

The spiral driving component is arranged on the cylinder body and connected with the piston sheet and used for driving the piston sheet to lift in the cylinder body.

Preferably, the guide piece comprises a polygonal sliding column arranged at the bottom of the piston piece, and a polygonal through hole corresponding to the polygonal sliding column is formed in the floating plate in a penetrating manner so as to slidingly mount the floating plate on the polygonal sliding column and limit the floating plate to rotate;

and the bottom of the polygonal sliding column is also provided with a limiting plate with the diameter dimension larger than the caliber dimension of the polygonal through hole so as to limit the floating plate to separate from the polygonal sliding column.

Preferably, a sealing gasket is arranged on one side, close to the piston sheet, of the floating plate, and the second through hole penetrates through the sealing gasket at the same time.

Preferably, the diameter sizes of the floating plate and the sealing gasket are smaller than the inner diameter size of the cylinder.

Preferably, the spiral driving component comprises a collar sleeved outside the cylinder, the thickness dimension of the piston sheet is smaller than that of the collar, a plurality of grooves I inclining upwards are formed on the outer side of the piston sheet continuously, grooves II inclining downwards are formed on the outer side of the piston sheet and positioned below the grooves correspondingly, strong magnets I are embedded in the grooves I, and strong magnets III are embedded in the grooves II;

a third groove and a fourth groove which are opposite to the first groove and the second groove respectively are formed in the inner side of the lantern ring, a second strong magnet which is opposite to the first strong magnet is embedded in the third groove, a fourth strong magnet which is opposite to the third strong magnet is embedded in the fourth groove, and magnetic poles of the first strong magnet, the second strong magnet and the opposite faces of the third strong magnet and the fourth strong magnet are identical, so that the piston sheet is driven to move along the lantern ring by using the strong magnet;

the device also comprises a positioning component arranged on the cylinder body, and the positioning component is connected with the lantern ring so as to limit the lantern ring to be kept still on the cylinder body.

Preferably, the positioning component comprises annular thread strips respectively arranged at two sides of the cylinder body, and the lantern ring is arranged on the annular thread strips in a threaded manner, so that the lantern ring can spirally lift on the cylinder body and self-lock the position of the lantern ring.

Preferably, the lantern ring comprises a ring part with an inner diameter larger than the outer diameter of the annular thread strip, the third strong magnet and the fourth strong magnet are arranged on the ring part, a plurality of inclined elastic pieces are sequentially arranged above the ring part, an inner thread is arranged on the inner side of each elastic piece, and an outer thread I is arranged on the outer side of each elastic piece;

and the outer side of the lantern ring is provided with an external thread II, the outer side of the lantern ring is provided with a threaded ring matched with the external thread II, and the threaded ring can be matched with the external thread I so as to drive the elastic sheet to cling to the annular threaded strip by using the threaded ring.

Preferably, a plurality of embedded grooves are formed in the threaded ring at equal intervals with the outer side of the ring part.

Preferably, the screw driving part comprises an extension ring arranged at the top of the piston sheet, and the length dimension of the extension ring is larger than the depth dimension of the cylinder;

and a nut ring with the inner diameter matched with the outer diameter of the extension ring is rotatably arranged at the top of the cylinder body, and butt threads are arranged on the outer side of the extension ring so as to hold the extension ring and rotate the nut ring to drive the extension ring to drive the piston plate to lift.

Preferably, the outer diameter of the extension ring is smaller than the inner diameter of the cylinder.

The invention has at least the following beneficial effects:

compared with the prior art, the liquid pouring device has the advantages that the position of the piston sheet can be set in advance according to the quantity of required liquid through the arrangement of the piston sheet, then the liquid is directly poured, and in the process of pouring the liquid, when the liquid reaches the requirement, the liquid automatically pushes the floating plate to move upwards and clings to the piston sheet to be blocked, and the liquid below the piston sheet is the required quantity;

in addition, even if more liquid is poured than actual demand, the floating plate has plugged the piston sheet, and redundant liquid can be located above the piston sheet and does not interfere with or influence the amount of liquid needed below the piston sheet, so that the liquid can be rapidly and accurately measured and used.

Drawings

FIG. 1 is a schematic diagram of a cylinder reading error analysis of the present invention;

FIG. 2 is a schematic overall structure of embodiment 1 of the present invention;

FIG. 3 is a schematic view of the structure of FIG. 1 in another orientation in accordance with the present invention;

FIG. 4 is a schematic top view of FIG. 2 of the present invention

FIG. 5 is a schematic view of the embodiment 1 of the present invention with the cylinder omitted;

FIG. 6 is a schematic view of a piston plate structure according to the present invention;

FIG. 7 is a schematic view of the partially exploded construction of FIG. 6 in accordance with the present invention;

FIG. 8 is a schematic view of the screw drive assembly of the present invention;

FIG. 9 is a schematic view of the threaded ring of FIG. 8 in a disengaged state in accordance with the present invention;

FIG. 10 is a schematic overall structure of embodiment 2 of the present invention;

FIG. 11 is a schematic view of the planar partial cross-section of FIG. 10 in accordance with the present invention;

FIG. 12 is a schematic view of a cylinder structure according to embodiment 2 of the present invention;

FIG. 13 is a schematic view of an extension ring according to the present invention.

In the figure: 1. a cylinder; 11. a piston plate; 111. a first through hole; 12. a guide member; 121. a polygonal strut; 122. polygonal through holes; 123. a limiting plate; 13. a floating plate; 14. a second through hole; 15. a sealing gasket; 2. a screw driving part; 21. a collar; 22. a groove I; 23. a second groove; 24. strong magnet I; 25. strong magnet III; 26. a groove III; 27. a groove IV; 28. strong magnet II; 29. a strong magnet IV; 210. a positioning member; 211. an annular thread strip; 212. a ring portion; 213. a spring plate; 214. an internal thread; 215. an external thread I; 216. an external thread II; 217. a threaded ring; 218. an embedding groove; 219. an extension ring; 220. a nut ring; 221. and (5) butting threads.

Description of the embodiments

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

Referring to fig. 2-9, the present invention provides a technical solution: an experimental measuring cylinder comprises a cylinder body 1 with graduation marks carved on the surface, and further comprises:

the piston piece 11 is arranged in the cylinder body 1 in a sliding manner, a plurality of first through holes 111 are formed in the piston piece 11 in a penetrating manner, and liquid flows through the piston piece 11 through the first through holes 111; a kind of electronic device with high-pressure air-conditioning system

A guide 12 installed at one side of the piston 11 near the bottom of the cylinder 1; a kind of electronic device with high-pressure air-conditioning system

The floating plate 13 is slidably mounted on the guide piece 12, and a plurality of through holes II 14 are formed in the floating plate 13 in a penetrating manner, so that liquid flowing through the through holes II 14 flows into the cylinder 1 through the through holes II 14, the through holes II 14 and the through holes I111 are arranged in a staggered manner, the floating plate 13 moves in an oriented manner by the guide piece 12 so as to be close to and far away from the piston piece 11, and the through holes I111 and II 14 are blocked when the floating plate 13 is abutted against the piston piece 11; a kind of electronic device with high-pressure air-conditioning system

The spiral driving part 2 is arranged on the cylinder body 1, is connected with the piston sheet 11 and is used for driving the piston sheet 11 to lift in the cylinder body 1.

Through the design, the purpose of automatically and quantitatively measuring the required liquid is realized by utilizing the designs of the floating plate 13 and the piston piece 11.

Further, the guide member 12 includes a polygonal sliding column 121 installed at the bottom of the piston 11, a polygonal through hole 122 corresponding to the polygonal sliding column 121 is formed on the floating plate 13 in a penetrating manner, and the floating plate 13 is limited to rotate while moving in a directional manner by using the design of the polygonal sliding column 121 and the polygonal through hole 122, so as to ensure that the through hole two 14 and the through hole one 111 are dislocated stably;

and the bottom of the polygonal slide column 121 is also provided with a limiting plate 123 with the diameter larger than the caliber of the polygonal through hole 122 so as to limit the floating plate 13 to separate from the polygonal slide column 121, so that when the liquid is continuously poured into the cylinder 1, the liquid level of the limiting plate can drive the floating plate 13 to move upwards through buoyancy and abut against the piston sheet 11, and further, the staggered first through hole 111 and the staggered second through hole 14 are designed to abut against the piston sheet, so that the liquid below the floating plate 13 is the required quantity, and even if the liquid is continuously poured, the floating plate 13 is used for sealing the piston sheet 11, the redundant liquid can be positioned above the piston sheet 11 and does not interfere with or affect the quantity of the required liquid below the piston sheet 11, and the quick and accurate measuring and using of the liquid are ensured.

Further, a sealing gasket 15 is disposed on a side of the floating plate 13 near the piston 11, and the second through hole 14 penetrates through the sealing gasket 15 at the same time, so as to drive the floating plate 13 to replace the sealing gasket 15 to contact with the piston 11, so as to improve the contact sealing performance of the floating plate 13 to the piston 11.

Further, the diameter sizes of the floating plate 13 and the sealing gasket 15 are smaller than the inner diameter size of the cylinder 1, and by adopting the design, the floating plate 13 and the sealing gasket 15 do not contact the inner wall of the cylinder 1 when the piston 11 moves, so that the contact of the floating plate 13 and the sealing gasket 15 is avoided to generate additional friction resistance, and the efficient moving use of the piston 11 is ensured.

Further, for the screw driving component 2, it includes a collar 21 sleeved outside the cylinder 1, the thickness dimension of the piston 11 is smaller than the thickness dimension of the collar 21, so that the piston 11 is covered by the collar 21 in space, a plurality of grooves I22 inclining upwards are continuously formed outside the piston 11, grooves II 23 inclining downwards are correspondingly formed at the position below the grooves I22 outside the piston 11, a strong magnet I24 is embedded in the grooves I22, and a strong magnet III 25 is embedded in the grooves II 23;

the inner side of the lantern ring 21 is provided with a groove III 26 and a groove IV 27 which are opposite to the groove I22 and the groove II 23 respectively, a strong magnet II 28 which is opposite to the strong magnet I24 is embedded in the groove III 26, a strong magnet IV 29 which is opposite to the strong magnet III 25 is embedded in the groove IV 27, and the magnetic poles of the strong magnet I24, the strong magnet II 28 and the opposite surfaces of the strong magnet III 25 and the strong magnet IV 29 are the same, so that when the lantern ring 21 moves from the outer side of the cylinder 1, whether the lantern ring 21 moves upwards or downwards, the strong magnetic mutual exclusion can be utilized to drive the piston 11 to move together with the lantern ring 21 outside the cylinder 1 in order to match with the scale mark on the outer side of the cylinder 1 to adjust the initial position of the lantern ring 21 according to the liquid demand;

in addition, the screw driving part 2 further comprises a positioning part 210 arranged on the cylinder 1, and the positioning part 210 is connected with the lantern ring 21 to limit the lantern ring 21 to be kept still on the cylinder 1, so that the stability of the lantern ring 21 is ensured when the liquid is poured and measured, and the automatic quantitative measurement of the required liquid is ensured.

Further, the positioning component 210 includes annular thread strips 211 respectively disposed at two sides of the cylinder 1, so-called annular thread strips 211 at two sides, which are completely disposed outside the cylinder 1, and a part of the thread is removed along the direction of the cylinder 1, so that the virtual extending track of the annular thread strips 211 at two sides is identical, and the spiral use of one threaded collar 21 can be satisfied.

Further, the collar 21 includes a ring portion 212 with an inner diameter larger than an outer diameter of the annular thread 211, a third strong magnet 25 and a fourth strong magnet 29 are disposed on the ring portion 212, a plurality of inclined elastic pieces 213 are sequentially disposed above the ring portion 212, an internal thread 214 is disposed inside the elastic pieces 213, and an external thread 215 is disposed outside the elastic pieces 213;

and be provided with external screw thread two 216 in the lantern ring 21 outside, and be provided with the screwed ring 217 with external screw thread two 216 complex in the lantern ring 21 outside, and screwed ring 217 can cooperate with external screw thread one 215, so that utilize screwed ring 217 to order the shell fragment 213 to hug closely annular screw thread 211, and then utilize such design, with the selective locking location to lantern ring 21, when needs remove lantern ring 21, can cancel the restriction to shell fragment 213 when removing the distance too, namely shell fragment 213 does not laminate with barrel 1 surface, can directly remove lantern ring 21 and go up and down this moment, when it is close required position, again rotatory screwed ring 217, so that shell fragment 213 laminates with barrel 1, at this moment lantern ring 21 screw thread installation is outside barrel 1, then the accurate lift of lantern ring 21 to the corresponding position can, thereby effectual improvement use.

Further, a plurality of embedded grooves 218 are formed in the outer sides of the threaded ring 217 and the ring portion 212 at equal intervals, so that contact friction is effectively improved, and convenience and stability of screw use are guaranteed.

After the quantitative liquid is equivalently taken, when the excessive liquid exists above the piston sheet 11, the cylinder 1 is inverted to pour the excessive liquid, then the lantern ring 21 is moved upwards, the floating plate 13 is separated from the piston sheet 11, the cylinder 1 is slowly inclined, the floating plate 13 contacts the liquid before contacting the piston sheet 11 in the process, and under the action of buoyancy, the floating plate 13 is continuously separated from the piston sheet 11 in the inversion process of the cylinder 1 until the liquid is poured, so that the pouring of the liquid is realized.

Examples

Referring to fig. 10-13, another technical solution is provided herein: an experimental measuring cylinder comprises a cylinder body 1 with graduation marks carved on the surface, and further comprises:

The screw driving part 2 comprises an extension ring 219 arranged at the top of the piston plate 11, and the length dimension of the extension ring 219 is larger than the depth dimension of the cylinder 1;

and the nut ring 220 with the inner diameter matched with the outer diameter of the extension ring 219 is rotatably arranged at the top of the cylinder body 1, and the butt-joint threads 221 are arranged at the outer side of the extension ring 219 so as to hold the extension ring 219 and rotate the nut ring 220 to drive the extension ring 219 to drive the piston plate 11 to lift, and further the piston plate 11 is driven to lift forcedly and actively by using the mode.

Further, the outer diameter of the extension ring 219 is smaller than the inner diameter of the cylinder 1, and with this design, contact friction is effectively reduced when the piston plate 11 moves as well.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An experimental measuring cylinder comprises a cylinder body (1) with graduation marks engraved on the surface, and is characterized in that: the method also comprises the following steps:

the piston piece (11) is arranged in the cylinder body (1) in a sliding manner, and a plurality of first through holes (111) are formed in the piston piece (11) in a penetrating manner; a kind of electronic device with high-pressure air-conditioning system

The guide piece (12) is arranged on one side of the piston piece (11) close to the bottom of the cylinder body (1); a kind of electronic device with high-pressure air-conditioning system

The floating plate (13) is slidably mounted on the guide piece (12), a plurality of through holes (14) are formed in the floating plate (13) in a penetrating mode, the through holes (14) and the through holes (111) are arranged in a staggered mode, and the through holes (111) and the through holes (14) are blocked when the floating plate (13) abuts against the piston piece (11); a kind of electronic device with high-pressure air-conditioning system

The spiral driving component (2) is arranged on the cylinder body (1) and connected with the piston sheet (11) and is used for driving the piston sheet (11) to lift in the cylinder body (1);

the guide piece (12) comprises a polygonal sliding column (121) arranged at the bottom of the piston piece (11), and a polygonal through hole (122) corresponding to the polygonal sliding column (121) is formed in the floating plate (13) in a penetrating manner so as to slidingly mount the floating plate (13) on the polygonal sliding column (121) and limit the floating plate (13) to rotate;

a limiting plate (123) with the diameter dimension larger than the caliber dimension of the polygonal through hole (122) is further arranged at the bottom of the polygonal sliding column (121) so as to limit the floating plate (13) to be separated from the polygonal sliding column (121);

a sealing gasket (15) is arranged on one side, close to the piston sheet (11), of the floating plate (13), and the second through hole (14) simultaneously penetrates through the sealing gasket (15);

the diameter sizes of the floating plate (13) and the sealing gasket (15) are smaller than the inner diameter size of the cylinder body (1).

2. An experimental graduated cylinder according to claim 1 wherein: the spiral driving component (2) comprises a lantern ring (21) sleeved on the outer side of the cylinder body (1), the thickness dimension of the piston sheet (11) is smaller than that of the lantern ring (21), a plurality of grooves I (22) inclining upwards are continuously formed on the outer side of the piston sheet (11), grooves II (23) inclining downwards are correspondingly formed at positions, below the grooves I (22), on the outer side of the piston sheet (11), strong magnets I (24) are embedded in the grooves I (22), and strong magnets III (25) are embedded in the grooves II (23);

a third groove (26) and a fourth groove (27) which are opposite to the first groove (22) and the second groove (23) are formed in the inner side of the lantern ring (21), a second strong magnet (28) which is opposite to the first strong magnet (24) is embedded in the third groove (26), a fourth strong magnet (29) which is opposite to the third strong magnet (25) is embedded in the fourth groove (27), and the magnetic poles of the opposite surfaces of the first strong magnet (24) and the second strong magnet (28) and the opposite surfaces of the third strong magnet (25) and the fourth strong magnet (29) are the same, so that the piston piece (11) is driven to move along the lantern ring (21) by using strong magnetism;

the device also comprises a positioning component (210) arranged on the cylinder body (1), and the positioning component (210) is connected with the lantern ring (21) so as to limit the lantern ring (21) to be kept still on the cylinder body (1).

3. An experimental graduated cylinder according to claim 2 wherein: the positioning component (210) comprises annular thread strips (211) which are respectively arranged at two sides of the cylinder body (1), and the lantern ring (21) is arranged on the annular thread strips (211) in a threaded manner, so that the lantern ring (21) can spirally lift on the cylinder body (1) and self-lock the position of the lantern ring.

4. An experimental graduated cylinder according to claim 3 wherein: the lantern ring (21) comprises a ring part (212) with the inner diameter larger than the outer diameter of the annular threaded strip (211), the third strong magnet (25) and the fourth strong magnet (29) are arranged on the ring part (212), a plurality of inclined elastic pieces (213) are sequentially arranged above the ring part (212), an inner thread (214) is arranged on the inner side of each elastic piece (213), and an outer thread I (215) is arranged on the outer side of each elastic piece (213);

and an external thread II (216) is arranged on the outer side of the lantern ring (21), a threaded ring (217) matched with the external thread II (216) is arranged on the outer side of the lantern ring (21), and the threaded ring (217) can be matched with the external thread I (215) so as to drive the elastic sheet (213) to be clung to the annular threaded strip (211) by utilizing the threaded ring (217).

5. An experimental graduated cylinder according to claim 4 wherein: a plurality of embedded grooves (218) are formed in the threaded ring (217) and the outer side of the ring part (212) at equal intervals.

6. An experimental graduated cylinder according to claim 5 wherein: the screw driving part (2) comprises an extension ring (219) arranged at the top of the piston sheet (11), and the length dimension of the extension ring (219) is larger than the depth dimension of the cylinder body (1);

and a nut ring (220) with the inner diameter matched with the outer diameter of the extension ring (219) is rotatably arranged at the top of the cylinder body (1), and a butt thread (221) is arranged at the outer side of the extension ring (219) so as to hold the extension ring (219) and rotate the nut ring (220) to drive the extension ring (219) to drive the piston sheet (11) to lift.

7. An experimental graduated cylinder according to claim 6 wherein: the outer diameter of the extension ring (219) is smaller than the inner diameter of the cylinder (1).