CN216206775U - Device for measuring depth of liquid nitrogen in Dewar flask - Google Patents
Device for measuring depth of liquid nitrogen in Dewar flask Download PDFInfo
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- CN216206775U CN216206775U CN202122640237.4U CN202122640237U CN216206775U CN 216206775 U CN216206775 U CN 216206775U CN 202122640237 U CN202122640237 U CN 202122640237U CN 216206775 U CN216206775 U CN 216206775U
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Abstract
The utility model belongs to the field of measuring devices, in particular to a measuring device for the depth of liquid nitrogen in a Dewar flask, which comprises a base and a measuring mechanism, wherein a placing table is arranged at the top of the base, a clamping rod is connected with the outer side of the placing table, a transmission rod penetrates through the clamping rod, a spring is arranged below the transmission rod, a rotating mechanism is arranged at the top of the base, a support is arranged at the top of the base, a gear is connected with the side of the support, a lifting plate is arranged at the side of the gear, and the measuring mechanism is arranged at the outer side of the lifting plate; the utility model is provided with the measuring mechanism, which is favorable for well keeping the measuring column at the same position to lift, so that the measuring column is not easy to shake left and right, and the measuring column is provided with the screw thread, which is favorable for matching with the height dimension of the Dewar flask to adjust the length of the measuring column, is convenient for effectively measuring the depth of liquid nitrogen in the Dewar flask, is favorable for improving the measuring accuracy, and has convenient and fast structure operation and convenient use.
Description
Technical Field
The utility model relates to the field of measuring devices, in particular to a device for measuring the depth of liquid nitrogen in a Dewar flask.
Background
The Dewar flask is also called as a thermos flask, is an ideal container and tool for storing liquid gas, researching low temperature and protecting crystal elements, is used by filling liquid nitrogen into the Dewar flask, needs to know the depth of the liquid nitrogen after the liquid nitrogen is filled into the Dewar flask, is convenient for later use, and needs to be used for measuring the depth of the liquid nitrogen in the Dewar flask.
The existing novel measuring device has the problems that the Dewar flask is not convenient to be well stabilized and is not easy to drop, the measuring height is not convenient to adjust according to the size of the Dewar flask, and the measuring precision cannot be well improved.
Therefore, a measuring device for the depth of liquid nitrogen in a dewar is proposed to address the above problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art and solve the problems that a Dewar flask is not convenient to stabilize and is not easy to fall off, the measurement height is not convenient to adjust according to the size of the Dewar flask, and the measurement accuracy cannot be improved well, the utility model provides a measuring device for the depth of liquid nitrogen in the Dewar flask.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the device for measuring the depth of liquid nitrogen in the Dewar flask comprises a base and a measuring mechanism, wherein a placing table is arranged at the top of the base, a clamping rod is connected to the outer side of the placing table, a transmission rod penetrates through the clamping rod, a spring is arranged below the transmission rod, and a rotating mechanism is arranged at the top of the base.
Preferably, the top of base is provided with the support, and the avris of support is connected with the gear to the avris of gear is provided with the lifter plate, measuring mechanism sets up in the outside of lifter plate.
Preferably, the rotating mechanism comprises a fixed seat, a screw rod and a trapezoidal sliding block, the screw rod penetrates through the inside of the fixed seat, and the trapezoidal sliding block is arranged at the end part of the screw rod.
Preferably, the trapezoidal sliding block forms a lifting structure through the screw rod and the fixed seat, and the screw rod is perpendicular to the fixed seat.
Preferably, the lifting plate forms a lifting structure through a gear and the bracket, and the gear is symmetrically arranged about a central axis of the lifting plate.
Preferably, the measuring mechanism comprises a rotating column, a rotating rod and a measuring column, wherein the side of the rotating column is connected with the rotating rod, and the measuring column penetrates through the inside of the rotating rod.
Preferably, the rotating rod and the lifting plate form a rotating structure, and the measuring column and the rotating column form a transmission structure.
The utility model has the advantages that:
1. the utility model is provided with a rotating mechanism which rotates a screw rod to enable the screw rod to rotate and lift in the fixed seat, the fixed seat well provides a supporting function for the screw rod and can control the lifting height of the screw rod, the screw rod drives a trapezoidal sliding block connected with the end part of the screw rod to lift simultaneously when lifting, a hole is arranged in the placing platform, a clamping rod is connected with the outer side of the placing platform and penetrates through the interior of the clamping rod to be connected with the placing platform, the clamping rod and the transmission rod are symmetrically arranged about the central axis of the placing platform, the clamping rods on the two sides are mutually connected through a spring, the trapezoidal sliding block is rotated and lifted to the interior of the placing platform, the transmission rods on the two sides are abutted against the outer wall of the trapezoidal sliding block, the transmission rod is driven to slide on the outer wall of the trapezoidal sliding block when the trapezoidal sliding block is lifted, and the transmission rod can drive the clamping rods to oppositely rotate inwards due to the special shape of the trapezoidal sliding block, the spring is lifted along with the rotation of the clamping rod, the Dewar bottle is placed at the top of the placing table, the Dewar bottle is clamped by the rotation of the clamping rod, the stability of the Dewar bottle is favorably kept, the liquid nitrogen depth in the Dewar bottle is convenient to measure, the Dewar bottle is not easy to shake, the measurement is more convenient, the lifting height of the rotating trapezoidal sliding block is controlled, the opening and closing size of the clamping rod can be adjusted according to the size of the Dewar bottle, the Dewar bottles with different sizes can be better clamped, and the structure and the operation are simple and can be operated by one hand;
2. the utility model is provided with the gear, the gear is controlled to rotate, the side edge of the gear is clamped on the rack arranged on the outer side of the lifting plate, and the gear is symmetrically arranged about the central axis of the lifting plate, so that the lifting plate is favorably and better supported, the lifting plate is kept stable and is not easy to fall off, the gears on the two sides of the lifting plate are controlled to simultaneously rotate, the lifting plate is driven to lift along with the rotation of the gear, and the measuring mechanism arranged on the side edge of the lifting plate is favorably adjusted to a corresponding position according to the size and height of different Dewar flasks, so that the depth of liquid nitrogen in the Dewar flasks can be better measured;
3. the utility model is provided with a measuring mechanism which controls the rotation of the rotating column, drives the rotating rod connected with the side of the rotating column to rotate along with the rotating rod, can drive the measuring column penetrating through the rotating rod to lift up and down, and the side edge of the lifting plate is provided with a fixing frame, the measuring column penetrates through the fixing frame at the same time, so that the measuring column can be favorably kept at the same position to lift, and is not easy to shake left and right.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic overall front view of the embodiment;
FIG. 2 is a schematic structural diagram of a rotating mechanism according to an embodiment;
FIG. 3 is a schematic structural diagram of a second measurement mechanism according to an embodiment.
In the figure: 1. a base; 2. a placing table; 3. a clamping bar; 4. a transmission rod; 5. a spring; 6. a rotating mechanism; 601. a fixed seat; 602. a screw; 603. a trapezoidal slider; 7. a support; 8. a gear; 9. a lifting plate; 10. a measuring mechanism; 1001. turning the column; 1002. a rotating rod; 1003. the column is measured.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 and 2, a device for measuring the depth of liquid nitrogen in a dewar flask comprises a base 1, a placing table 2, a clamping rod 3, a transmission rod 4, a spring 5, a rotating mechanism 6, a bracket 7, a gear 8, a lifting plate 9 and a measuring mechanism 10, wherein the placing table 2 is arranged at the top of the base 1, the clamping rod 3 is connected to the outer side of the placing table 2, the transmission rod 4 penetrates through the clamping rod 3, the spring 5 is arranged below the transmission rod 4, and the rotating mechanism 6 is arranged at the top of the base 1;
the rotating mechanism 6 comprises a fixed seat 601, a screw 602 and a trapezoidal sliding block 603, the screw 602 penetrates through the fixed seat 601, and the trapezoidal sliding block 603 is arranged at the end of the screw 602;
Example two
Referring to fig. 1 and 3, in a first comparative example, as another embodiment of the present invention, a bracket 7 is disposed on the top of a base 1, a gear 8 is connected to an edge of the bracket 7, a lifting plate 9 is disposed on an edge of the gear 8, and a measuring mechanism 10 is disposed outside the lifting plate 9;
the lifting plate 9 forms a lifting structure with the bracket 7 through the gear 8, the gear 8 is symmetrically arranged about the central axis of the lifting plate 9, and the lifting plate is adjusted to a corresponding position according to the size and height of different Dewar flasks;
the measuring mechanism 10 comprises a rotating column 1001, a rotating rod 1002 and a measuring column 1003, wherein the rotating rod 1002 is connected to the side of the rotating column 1001, and the measuring column 1003 penetrates through the rotating rod 1002;
the rotating rod 1002 forms a rotating structure between the rotating column 1001 and the lifting plate 9, and the measuring column 1003 forms a transmission structure between the rotating rod 1002 and the rotating column 1001, so that the length of the measuring column can be adjusted by the aid of the height of the dewar bottle, and the depth of liquid nitrogen in the dewar bottle can be effectively measured better.
The working principle is that firstly, the top of the base 1 is provided with the rotating mechanism 6, the screw 602 is rotated to enable the screw 602 to rotate and lift in the fixed seat 601, the fixed seat 601 well provides a supporting function for the screw 602 and can control the lifting height of the screw 602, the screw 602 drives the trapezoidal sliding blocks 603 connected with the end parts of the screw to lift simultaneously when lifting, the placing table 2 is internally provided with a hole, the outer side of the placing table 2 is connected with the clamping rods 3, the clamping rods 3 penetrate through the interior of the placing table 2 through the transmission rods 4 and are connected with the placing table 2, the clamping rods 3 and the transmission rods 4 are symmetrically arranged about the central axis of the placing table 2, the clamping rods 3 on the two sides are connected with each other through the springs 5, at the moment, the trapezoidal sliding blocks 603 are rotated and lifted to the interior of the placing table 2, the transmission rods 4 on the two sides are abutted to the outer walls of the trapezoidal sliding blocks 603, when the trapezoidal sliding blocks 603 lift, due to the particularity of the shape of the trapezoidal sliding block 603, the transmission rod 4 can drive the opposite directions of the clamping rods 3 to rotate inwards when sliding, the spring 5 is pulled up along with the rotation of the clamping rods 3 to place the Dewar bottle at the top of the placing table 2, the Dewar bottle is clamped by the rotation of the clamping rods 3, the stability of the Dewar bottle is favorably kept, the Dewar bottle is not easy to shake when the depth of liquid nitrogen in the Dewar bottle is measured, the measurement is more convenient, the lifting height of the rotating trapezoidal sliding block 603 is controlled, the opening and closing size of the clamping rods 3 can be adjusted according to the size of the Dewar bottle, the Dewar bottles with different sizes can be better clamped, and the structure operation is simple and can be operated by one hand;
then, a gear 8 is arranged at the side of the support 7, the gear 8 is controlled to rotate, the side edge of the gear 8 is clamped on a rack arranged outside the lifting plate 9, the gear 8 is symmetrically arranged about the central axis of the lifting plate 9, the lifting plate 9 is favorably and better supported, the lifting plate 9 is enabled to be stable and not easy to fall off, the gears 8 at two sides of the lifting plate 9 are controlled to simultaneously rotate, the lifting plate 9 is driven to lift along with the rotation of the gear 8, a measuring mechanism 10 arranged at the side edge of the lifting plate 9 is favorably, and the liquid nitrogen depth in the Dewar flask can be better measured according to the size heights of different Dewar flasks and is convenient to adjust to corresponding positions, the structure is very simple, the lifting is stable, and the operation is flexible;
finally, the avris at lifter plate 9 is provided with measuring mechanism 10, control rotary column 1001 rotates, the bull stick 1002 that the drive rotary column 1001 avris is connected rotates thereupon, can drive the measurement post 1003 oscilaltion that runs through among bull stick 1002, and the side of lifter plate 9 is provided with the mount, measurement post 1003 runs through wherein simultaneously, be favorable to fine messenger's measurement post 1003 to keep same position going up and down, make it be difficult for rocking from left to right, and be provided with the screw thread on the measurement post 1003, be favorable to cooperating the length of dewar's height and size regulation measurement post 1003, be convenient for better effectively measure the degree of depth of liquid nitrogen in the dewar bottle, do benefit to the improvement measuring precision, and the structure operation is convenient, and convenient use.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a measuring device that is arranged in liquid nitrogen degree of depth of dewar bottle which characterized in that: the measuring device comprises a base (1) and a measuring mechanism (10), wherein a placing table (2) is arranged at the top of the base (1), a clamping rod (3) is connected to the outer side of the placing table (2), a transmission rod (4) penetrates through the inside of the clamping rod (3), a spring (5) is arranged below the transmission rod (4), and a rotating mechanism (6) is arranged at the top of the base (1).
2. A measuring device for the depth of liquid nitrogen in a dewar according to claim 1, characterized in that: the top of base (1) is provided with support (7), and the avris of support (7) is connected with gear (8) to the avris of gear (8) is provided with lifter plate (9), measuring mechanism (10) set up in the outside of lifter plate (9).
3. A measuring device for the depth of liquid nitrogen in a dewar according to claim 1, characterized in that: the rotating mechanism (6) comprises a fixed seat (601), a screw rod (602) and a trapezoidal sliding block (603), the screw rod (602) penetrates through the inside of the fixed seat (601), and the end of the screw rod (602) is provided with the trapezoidal sliding block (603).
4. A measuring device for the depth of liquid nitrogen in a dewar according to claim 3, wherein: the trapezoidal sliding block (603) forms a lifting structure with the fixed seat (601) through the screw rod (602), and the screw rod (602) is perpendicular to the fixed seat (601).
5. A measuring device for the depth of liquid nitrogen in a dewar according to claim 2, wherein: the lifting plate (9) forms a lifting structure with the support (7) through the gear (8), and the gear (8) is symmetrically arranged relative to the central axis of the lifting plate (9).
6. A measuring device for the depth of liquid nitrogen in a dewar according to claim 2, wherein: the measuring mechanism (10) comprises a rotating column (1001), a rotating rod (1002) and a measuring column (1003), wherein the side of the rotating column (1001) is connected with the rotating rod (1002), and the measuring column (1003) penetrates through the inside of the rotating rod (1002).
7. A measuring device for the depth of liquid nitrogen in a Dewar according to claim 6, characterized in that: the rotating rod (1002) and the lifting plate (9) form a rotating structure through the rotating column (1001), and the measuring column (1003) and the rotating column (1001) form a transmission structure through the rotating rod (1002).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122640237.4U CN216206775U (en) | 2021-10-29 | 2021-10-29 | Device for measuring depth of liquid nitrogen in Dewar flask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122640237.4U CN216206775U (en) | 2021-10-29 | 2021-10-29 | Device for measuring depth of liquid nitrogen in Dewar flask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216206775U true CN216206775U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122640237.4U Active CN216206775U (en) | 2021-10-29 | 2021-10-29 | Device for measuring depth of liquid nitrogen in Dewar flask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216206775U (en) |
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2021
- 2021-10-29 CN CN202122640237.4U patent/CN216206775U/en active Active
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