CN214863644U

CN214863644U - Liquid level measuring and quantitative liquid nitrogen taking device

Info

Publication number: CN214863644U
Application number: CN202022856857.7U
Authority: CN
Inventors: 刘豪翔; 曹启龙; 杨志; 王琳; 王飞; 李环宇
Original assignee: Qingdao Haier Biotechnology Co ltd
Current assignee: Qingdao Haier Biotechnology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-11-26
Anticipated expiration: 2030-12-01

Abstract

The utility model relates to the technical field of liquid nitrogen taking devices, in particular to a liquid nitrogen taking device for measuring liquid level and quantitatively, which comprises a liquid taking barrel, a fixed rod, a fixed plate and a rotating plate, wherein the outer side part of the liquid taking barrel is provided with the fixed rod, the bottom inside the liquid taking barrel is fixedly provided with the fixed plate, the lower part of the fixed plate is provided with the rotatable rotating plate, the fixed plate is provided with a first through hole, the rotating plate is provided with a second through hole, the rotating plate rotates to adjust the contact degree of the first through hole and the second through hole, two sides of the second through hole on the surface between the rotating plate and the fixed plate are provided with strip-shaped grooves, matched sealing gaskets are arranged in the strip-shaped grooves, the outer edge of the rotating plate is provided with a ring groove, a sealing ring is arranged in the ring groove, liquid is taken from the bottom, the relative rotation between the rotating plate and the fixed plate adjusts the contact degree between the second through hole and the first through hole, the opening size of the bottom is used for controlling the opening and the opening of the bottom opening for adjusting the flow during the liquid taking, the problem of difficult liquid of getting when liquid level is lower in the liquid nitrogen jar is solved.

Description

Liquid level measuring and quantitative liquid nitrogen taking device

Technical Field

The utility model relates to a technical field is taken to the liquid nitrogen, specifically is a survey liquid level and ration gets liquid nitrogen ware.

Background

Liquid nitrogen, liquid nitrogen gas, inert, colorless, odorless, noncorrosive, incombustible, the temperature is extremely low, by wide application in fields such as industrial production, chemistry experiment, medical treatment, the liquid nitrogen container volume that uses at present is generally great, when needing to shift out a small amount of liquid nitrogen from it and use, because the liquid nitrogen container is bulky, the operation is very inconvenient when getting a small amount of liquid nitrogen, empty when taking out then the liquid nitrogen spills over easily and lead to personnel's frostbite, and the volume of taking out of unable accurate control liquid nitrogen.

Patent number CN210700171U discloses transfer device is taken to liquid nitrogen, including getting liquid container, action bars and handle, seted up the liquid nitrogen export on getting the bottom face of liquid container, be equipped with flow control mechanism on getting the bottom face of liquid container, flow control mechanism include: the rotating shaft is rotatably arranged in the operating rod, the top end of the rotating shaft extends out of the upper end surface of the operating rod, and the bottom end of the rotating shaft extends to the bottom in the liquid taking container; regulating plate, the activity set up in get on the bottom face of liquid container, and with the liquid nitrogen export matches, the regulating plate follows the rotation of axis of rotation and rotate, in order to adjust the flow size of liquid nitrogen export, the device is though can the take-out volume of regulation control liquid nitrogen, gets liquid from the top opening when getting liquid, exists and can not accomplish when the liquid nitrogen liquid level is lower in the liquid nitrogen jar and gets and get liquid, and below regulating plate and get and have the gap between the liquid container, cause the phenomenon of liquid nitrogen overflow leakage between the gap easily, can not learn the liquid nitrogen volume in getting the liquid container when using moreover, also can not learn the liquid level height in the liquid nitrogen jar.

Disclosure of Invention

The utility model aims at the above-mentioned difficult liquid of getting when the liquid level is lower in the liquid nitrogen tank that exists and get the liquid and accomplish the back and easily follow the problem of the interior hourglass of getting liquid container, provide a survey liquid level and quantitative liquid nitrogen ware of getting.

In order to solve the above problem, the utility model provides a following technical scheme: the utility model provides a survey liquid level and liquid nitrogen ware is got to ration, is provided with the dead lever including getting liquid bucket, dead lever, fixed plate and rotor plate, the outside portion of getting the liquid bucket, the fixed plate that is provided with in inside bottom of getting the liquid bucket, the below of fixed plate is provided with rotatable rotor plate, is provided with first through-hole on the fixed plate, is provided with the second through-hole on the rotor plate, the degree of coincidence of first through-hole and second through-hole is adjusted in the rotation of rotor plate, rotor plate and fixed plate between the both sides of the second through-hole on the face be provided with the bar groove, the bar inslot be provided with assorted sealed the pad, the outer fringe of rotor plate be provided with the ring channel, the ring channel in be provided with the sealing washer.

The novel bearing fixing device is characterized by further comprising a bevel gear set, a driving shaft and a driving rod, wherein the rotating plate drives the driving shaft through the driving rod and drives the rotating plate to rotate through the bevel gear set, a mounting hole is formed in the center of the fixing plate, a first bearing is mounted in the mounting hole, a rotating shaft is arranged on the rotating plate, and the rotating shaft is matched with the first bearing.

Furthermore, the bevel gear set comprises a large bevel gear and a small bevel gear, the large bevel gear is matched with one end of the driving shaft, the small bevel gear is matched with the rotating shaft, and the small bevel gear is meshed with the large bevel gear.

Furthermore, a fixed seat is arranged at the joint of the fixed rod and the liquid taking barrel, a second bearing is arranged in the fixed seat, the driving shaft is matched with the second bearing, and the other end of the driving shaft is connected with the driving rod.

Furthermore, get the outside fixing base of liquid bucket on be provided with the calibrated scale, the calibrated scale on be provided with the arc wall, actuating lever and calibrated scale on be provided with the fastening screw that runs through, the top of the arc wall of calibrated scale is provided with the scale.

Furthermore, the lateral part of the liquid taking barrel is provided with a visible window, the visible window is a long slotted hole, transparent glass is hermetically arranged on the long slotted hole, and scales are arranged on the side of the visible window.

Furthermore, the liquid taking barrel is made of copper.

Furthermore, a hand-held handle is arranged at the top of the fixed rod, and a driving handle is arranged at the top of the driving rod.

Furthermore, the bottom end of the liquid taking barrel is provided with an annular base plate, and the bottom surface of the base plate and the bottom surface of the liquid taking barrel are positioned on the same plane.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model takes liquid from the bottom, and adjusts the contact ratio between the second through hole and the first through hole through the relative rotation between the rotating plate and the fixed plate to control the opening and closing of the bottom when taking liquid and the size of the bottom opening when discharging liquid, thus solving the problem that liquid is not easy to take when the liquid level in the liquid nitrogen tank is low;

2. the rotation of the rotating plate is controlled through the rotation of the driving rod on the side face and the rotation of the bevel gear set, so that the space inside the liquid taking barrel is not occupied, and the internal capacity of the liquid taking barrel is larger.

3. The scale of the side dial is used for indicating the contact ratio of the first through hole and the second through hole at the bottom, so that the flow rate during tapping can be adjusted clearly.

4. Get the material of liquid bucket and select for use copper, copper ductility is high, long service life under low temperature environment, gets the visual window of liquid bucket side and can observe the inside volume of getting the liquid bucket to the scale that the boundary line that gets the outside liquid nitrogen low temperature of liquid bucket leads to can accurately read the liquid level height of the inside liquid nitrogen of liquid nitrogen container.

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, 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 creative efforts.

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a sectional view of the front view of the present invention taken along the direction A-A;

fig. 4 is a schematic structural view of the fixing plate of the present invention;

FIG. 5 is a schematic structural view of the rotating plate of the present invention;

fig. 6 is a right side view of the present invention.

In the figure: 1. a liquid taking barrel; 2. a chassis; 3. a fixing plate; 4. a rotating plate; 5. a bevel gear set; 6. a drive shaft; 7. a drive rod; 8. fixing the rod; 9. a dial scale; 10. a visible window; 11. a bevel pinion gear; 12. a large bevel gear; 13. a first bearing; 14. a fixed seat; 15. a second bearing; 16. fastening screws; 17. an arc-shaped slot; 31. a first through hole; 32. mounting holes; 41. a second through hole; 42. a rotating shaft; 43. a strip-shaped groove; 44. an annular groove; 71. a drive handle; 81. the handle is held by hand.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-3

Example one

The utility model provides a following technical scheme: a liquid level measuring and quantitative liquid nitrogen taking device comprises a liquid taking barrel 1, a fixed rod 8, a fixed plate 3 and a rotating plate 4, wherein the fixed rod 8 is arranged at the outer side part of the liquid taking barrel 1, the fixed plate 3 is fixedly arranged at the bottom inside the liquid taking barrel 1, the rotatable rotating plate 4 is arranged below the fixed plate 3, a first through hole 31 is formed in the fixed plate 3, a second through hole 41 is formed in the rotating plate 4, the first through hole 31 and the second through hole 41 are both fan-shaped holes, the angle of the fan-shaped angle of the second through hole 41 is larger than that of the fan-shaped angle of the first through hole 31, the coincidence degree of the first through hole 31 and the second through hole 41 is adjusted by rotating the rotating plate 4, strip-shaped grooves 43 are arranged on two sides of the second through hole 41 on the surface between the rotating plate 4 and the fixed plate 3, matched sealing gaskets are arranged in the strip-shaped grooves 43, and annular grooves 44 are arranged on the outer edge of the rotating plate 4, the annular groove 44 is internally provided with a sealing ring, after liquid taking is finished, the rotating plate 4 is closed, liquid taking is closed, and the space between the rotating plate 4 and the fixed plate 3 is in a sealing state due to the sealing gasket and the sealing ring, so that liquid nitrogen in the liquid taking barrel 1 cannot overflow from the bottom. The utility model discloses a get liquid from the bottom, through the contact ratio between relative rotation regulation second through-hole 41 and the first through-hole 31 between rotor plate 4 and the fixed plate 3, bottom open-ended size regulating flow when controlling the switching of bottom and tapping when getting liquid has solved the difficult problem of getting liquid in the liquid nitrogen jar when the liquid level is lower, still include bevel gear group 5, drive shaft 6 and actuating lever 7, rotor plate 4 drive shaft 6 and drive rotor plate 4 through bevel gear group 5 through actuating lever 7 and rotate, fixed plate 3 center be provided with mounting hole 32, install first bearing 13 in the mounting hole 32, rotor plate 4 on be provided with axis of rotation 42, axis of rotation 42 and the cooperation of first bearing 13. Bevel gear set 5 includes big bevel gear 12 and bevel pinion 11, big bevel gear 12 with drive shaft 6 one end cooperation, bevel pinion 11 with axis of rotation 42 cooperation, bevel pinion 11 and big bevel gear 12 mesh. A fixed seat 14 is arranged at the joint of the fixed rod 8 and the liquid taking barrel 1, a second bearing 15 is arranged in the fixed seat 14, and the other end of the driving shaft 6 is connected with the driving rod 7. The first bearing 13 and the second bearing 15 are both sealed bearings, so that liquid nitrogen in the liquid taking barrel 1 cannot overflow from the joint of the bearings when the liquid nitrogen rotates and is jammed.

Get and be provided with calibrated scale 9 on the outside fixing base 14 of liquid bucket 1, calibrated scale 9 on be provided with arc wall 17, actuating lever 7 and calibrated scale 9 on be provided with the fastening screw that runs through, the top of the arc wall 17 of calibrated scale 9 is provided with the scale, the degree of coincidence size of the first through-hole 31 of bottom and second through-hole 41 is represented to the scale through side calibrated scale 9, the size of flow when can very clear and definite regulation tapping, rotation and the rotation of bevel gear group 5 control rotor plate 4 through the actuating lever 7 of side do not occupy and get the inside space of liquid bucket 1 for it is great to get the inside capacity of liquid bucket 1.

The side part of the liquid taking barrel 1 is provided with a visible window 10, the visible window 10 is a long slotted hole, transparent glass is hermetically arranged on the long slotted hole, and scales are arranged on the side of the visible window 10. The liquid taking barrel 1 is made of copper. Get the material of liquid bucket 1 and select for use copper, copper ductility is high, long service life under low temperature environment, and the visual window 10 of getting 1 side of liquid bucket can observe the volume of getting 1 inside of liquid bucket to the scale that the boundary line that gets 1 outside liquid nitrogen low temperature and lead to corresponds can accurately read the liquid level height of the inside liquid nitrogen of liquid nitrogen container, and the top of dead lever 8 is provided with handheld handle 81, the top of actuating lever 7 be provided with drive handle 71. The bottom of the liquid taking barrel 1 is provided with an annular base plate 2, and the bottom surface of the base plate 2 and the bottom surface of the liquid taking barrel 1 are positioned on the same plane.

When the utility model is used, when liquid is taken, the driving rod 7 and the fixed rod 8 are coincided, the first through hole 31 and the second through hole 41 of the rotating plate 4 of the fixed plate 3 at the bottom are coincided, the liquid is taken to be in an open state, the liquid taking barrel 1 is placed in a liquid nitrogen tank at the moment, the chassis 2 at the bottom of the liquid taking barrel 1 is contacted with the bottom of the liquid nitrogen tank, liquid nitrogen enters the liquid taking barrel 1 from the first through hole 31 and the second through hole 41, then the driving rod 7 rotates leftwards or rightwards, the driving rod 7 drives the driving shaft 6 to rotate, the driving shaft 6 drives the large bevel gear 12 to rotate, the large bevel gear 12 drives the small bevel gear 11 to rotate, the small bevel gear 11 drives the rotating shaft 42 to rotate, thereby the rotating plate 4 rotates, the first through hole 31 and the second through hole 41 are enabled to be in a completely non-coincident state at the moment, the liquid is taken to be closed, the two sides of the second through hole 41 on the surface between the rotating plate 4 and the fixed plate 3 are provided with the strip-shaped grooves 43, the bar groove 43 in be provided with assorted sealed the pad, the outer fringe of rotor plate 4 be provided with ring channel 44, ring channel 44 in be provided with the sealing washer, get the liquid and finish the back, close rotor plate 4, it closes to get the liquid, be in encapsulated situation because sealed pad and sealing washer between rotor plate 4 and the fixed plate 3, consequently, get the liquid nitrogen in the liquid bucket 1 and can not follow the bottom overflow and leak, will get liquid bucket 1 through handheld handle 81 of dead lever 8 and carry out the liquid nitrogen container, during the tapping, only need with actuating lever 7 to middle rotation can, the middle maximum flow that is the tapping, flow open-size is adjusted according to the scale of both sides, can observe the height of getting the inside liquid nitrogen of liquid bucket 1 according to visual window 10 simultaneously, can quantitative get the liquid nitrogen according to the scale, can learn the liquid nitrogen according to the liquid level of getting the outside of liquid bucket 1 simultaneously.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a survey liquid level and liquid nitrogen ware is got to ration, is provided with dead lever (8), its characterized in that including getting liquid bucket (1), dead lever (8), fixed plate (3) and rotor plate (4) outside portion of getting liquid bucket (1): get the fixed plate (3) that is provided with in inside bottom of liquid bucket (1), the below of fixed plate (3) is provided with rotatable rotor plate (4), is provided with first through-hole (31) on fixed plate (3), is provided with second through-hole (41) on rotor plate (4), the degree of coincidence of first through-hole (31) and second through-hole (41) is adjusted in the rotation of rotor plate (4), rotor plate (4) and fixed plate (3) between the both sides of second through-hole (41) be provided with bar groove (43), bar groove (43) in be provided with assorted sealed pad, the outer fringe of rotor plate (4) be provided with ring channel (44), ring channel (44) in be provided with the sealing washer.

2. The apparatus for measuring liquid level and quantitatively extracting liquid nitrogen as claimed in claim 1, wherein: still include bevel gear group (5), drive shaft (6) and actuating lever (7), rotor plate (4) drive shaft (6) and drive rotor plate (4) through bevel gear group (5) through actuating lever (7) and rotate, fixed plate (3) center be provided with mounting hole (32), install first bearing (13) in mounting hole (32), rotor plate (4) on be provided with axis of rotation (42), axis of rotation (42) and first bearing (13) cooperation.

3. The apparatus for measuring liquid level and quantitatively extracting liquid nitrogen as claimed in claim 2, wherein: bevel gear set (5) include big bevel gear (12) and bevel pinion (11), big bevel gear (12) and drive shaft (6) one end cooperation, bevel pinion (11) and axis of rotation (42) cooperation, bevel pinion (11) and big bevel gear (12) meshing.

4. The liquid level measuring and quantitative liquid nitrogen taking device as claimed in claim 3, wherein: the joint of the fixing rod (8) and the liquid taking barrel (1) is provided with a fixing seat (14), a second bearing (15) is arranged in the fixing seat (14), and the other end of the driving shaft (6) is connected with the driving rod (7).

5. The apparatus for measuring liquid level and quantitatively extracting liquid nitrogen as claimed in claim 2, wherein: get outside fixing base (14) of liquid bucket (1) on be provided with calibrated scale (9), calibrated scale (9) on be provided with arc wall (17), actuating lever (7) and calibrated scale (9) on be provided with the fastening screw that runs through, the top of arc wall (17) of calibrated scale (9) is provided with the scale.

6. The apparatus for measuring liquid level and quantitatively extracting liquid nitrogen as claimed in claim 5, wherein: the side of the liquid taking barrel (1) is provided with a visible window (10), the visible window (10) is a long slotted hole, transparent glass is hermetically arranged on the long slotted hole, and scales are arranged on the side of the visible window (10).

7. The apparatus for measuring liquid level and quantitatively extracting liquid nitrogen as claimed in any one of claims 1 to 6, wherein: the liquid taking barrel (1) is made of copper.

8. The liquid level measuring and quantitative liquid nitrogen taking device as claimed in claim 4, wherein: the top of the fixed rod (8) is provided with a handheld handle (81), and the top of the driving rod (7) is provided with a driving handle (71).

9. The apparatus for measuring liquid level and quantitatively extracting liquid nitrogen as claimed in claim 8, wherein: the bottom of the liquid taking barrel (1) is provided with an annular chassis (2), and the bottom surface of the chassis (2) and the bottom surface of the liquid taking barrel (1) are positioned on the same plane.