CN210953517U - Liquid food sampling device capable of quantitatively sampling - Google Patents

Abstract

The utility model relates to the technical field of liquid sampling equipment, in particular to a liquid food sampling device capable of quantitatively sampling, which comprises a liquid storage cylinder, wherein the surface of the liquid storage cylinder is provided with scale marks arranged along the length direction of the liquid storage cylinder, the bottom end of the liquid storage cylinder is provided with a liquid suction pipe communicated with the liquid storage cylinder, the liquid storage cylinder is sequentially provided with a liquid inlet pipe and a liquid outlet pipe from top to bottom, a contrast pipe is arranged between the liquid inlet pipe and the liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe are both provided with ball valves; a piston is arranged in the liquid storage cylinder, a screw rod is arranged on the piston, and a support column is arranged at the tail end of the connecting rod far away from the pressing disc. The utility model is simple in operation swiftly, can realize that the ration gets liquid, the volume of the adjustment sample of also being convenient for simultaneously brings the facility for the user.

Description

Liquid food sampling device capable of quantitatively sampling

Technical Field

The utility model relates to a liquid sampling equipment technical field, specifically speaking relates to a liquid food sampling device that can ration sample.

Background

When various items of liquid food are detected, sampling operation is generally needed, and when the sampling operation is performed, a corresponding sampling device is used, but when the general sampling device is used, quantitative sampling cannot be performed, and certain inconvenience is brought to workers during operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid food sampling device that can ration sample to solve certain or some defects that propose in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a liquid food sampling device capable of quantitatively sampling comprises a liquid storage cylinder, wherein scale marks arranged along the length direction of the liquid storage cylinder are arranged on the surface of the liquid storage cylinder, a liquid suction pipe communicated with the liquid storage cylinder is arranged at the bottom end of the liquid storage cylinder, a liquid inlet pipe and a liquid outlet pipe are sequentially arranged on the liquid storage cylinder from top to bottom, a contrast pipe is arranged between the liquid inlet pipe and the liquid outlet pipe, the liquid storage cylinder, the liquid inlet pipe, the liquid outlet pipe and the contrast pipe are communicated with each other, the liquid inlet pipe is arranged in a manner of inclining downwards by 30 degrees, the liquid outlet pipe is arranged in a manner of inclining upwards by 30 degrees, and ball valves are arranged on the liquid inlet pipe and the liquid outlet pipe; the liquid storage cylinder is provided with a limiting ring on the inner wall close to the top of the liquid storage cylinder, a first through hole communicated with the outside is formed in the center of the limiting ring, a piston is arranged in the liquid storage cylinder and is connected with the liquid storage cylinder in a sliding mode, a connecting rod is arranged on the piston, and the top end of the connecting rod penetrates through the first through hole and is provided with a pressing disc.

Preferably, the piston is in interference fit with the liquid storage cylinder, so that good sealing performance between the piston and the liquid storage cylinder is guaranteed.

Preferably, the liquid storage cylinder, the liquid pumping pipe, the liquid inlet pipe, the liquid outlet pipe and the comparison pipe are of an integrally formed structure, so that the structure is firmer.

Preferably, the top end barrel of the liquid storage barrel is further provided with an elliptical disc, so that the liquid storage barrel is held more smoothly, and the liquid storage barrel is not easy to slip off from the hand.

Preferably, still be equipped with the seal cover on the liquid suction pipe, the seal cover is established on the liquid suction pipe, be convenient for after the sample, can be with the seal cover on the liquid suction pipe.

Preferably, the piston is provided with a screw rod, the tail end of the connecting rod, which is far away from the pressing plate, is provided with a support column, an annular thread groove communicated with the outside is arranged in the support column, the annular thread groove is in threaded connection with the screw rod, so that the distance between the piston and the support column can be adjusted when needed, and the support column can be supported on a limiting ring, thereby realizing the limitation of the moving path of the piston.

Preferably, be equipped with the ring channel in the screw rod, be equipped with the second through-hole that is linked together with the external world on the roof of ring channel, be equipped with the projection that is vertical form setting on the roof of ring channel, the end of projection passes the second through-hole and is provided with spacing dish, spacing dish be located in the ring channel and with sliding connection between the ring channel guarantees to utilize spacing dish to remove in the ring channel when rotating to the post, and spacing dish can not break away from in the second through-hole again to guarantee to support the post and can not appear the condition that drops from the screw rod.

Preferably, the inner diameter of the annular groove is larger than the aperture of the second through hole, and the size of the limiting disc is matched with that of the annular groove, so that the limiting disc cannot be separated from the second through hole.

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

1. the utility model is convenient for observing the liquid amount in the liquid storage cylinder through the arranged scale marks, through the liquid inlet pipe, the liquid outlet pipe and the comparison pipe which are arranged, and the ball valves are arranged on the liquid inlet pipe and the comparison pipe, after the ball valve on the liquid outlet pipe is closed, the drawing connecting rod drives the piston to move, so that the liquid is pumped into the liquid storage cylinder, once too much liquid is pumped into the liquid storage cylinder, the too much liquid is stored into the comparison tube along the liquid inlet tube, thereby achieving the effect of quantitatively taking liquid, the liquid entering the comparison tube can be used as a standby detection sample, when necessary, after the ball valve on the liquid outlet tube is opened, the standby detection sample can be used, the operation is convenient, the problems that when a common sampling device is used, it can not carry out the ration sample, when the operation, can bring certain inconvenient problem for the staff.

2. The utility model discloses a set up the screw rod and support the post, and the screw rod with support threaded connection between the post, when using, support the post and can support on the spacing ring, when rotating to support the post and adjust the distance of supporting between post and the screw rod to the realization is carried on spacingly to the motion distance of piston, further reaches the purpose of ration sample, has solved general sampling device when using, and it can not carry out the problem of adjusting to the volume of sample.

Drawings

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of a part of the structure of the liquid storage cylinder, the liquid inlet pipe, the liquid outlet pipe and the comparison pipe of the present invention;

FIG. 4 is a schematic structural view of the stop collar of the present invention;

fig. 5 is a schematic structural view of the sealing sleeve of the present invention;

FIG. 6 is a schematic structural view of the present invention with a screw and a support post;

fig. 7 is a bottom view of the support post of the present invention;

fig. 8 is a sectional view of the screw of the present invention.

The meaning of the individual reference symbols in the figures is:

1. a liquid storage cylinder; 10. scale lines; 101. an elliptical disk; 11. a liquid pumping pipe; 12. a liquid inlet pipe; 13. a liquid outlet pipe; 14. taking a control; 15. a ball valve; 16. a limiting ring; 161. a first through hole; 17. a piston; 171. a connecting rod; 172. pressing the disc; 18. sealing sleeves;

2. a screw; 20. an annular groove; 21. a second through hole;

3. supporting columns; 30. an annular thread groove; 31. a convex column; 32. a limiting disc.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-8, the present invention provides a technical solution:

a liquid food sampling device capable of quantitatively sampling, as shown in fig. 1 to 5, comprising a liquid storage cylinder 1, wherein the liquid storage cylinder 1 is made of transparent material, so that a worker can conveniently see the amount of liquid in the liquid storage cylinder 1;

the scale marks 10 arranged along the length direction of the liquid storage cylinder 1 are arranged on the surface of the liquid storage cylinder 1, so that a worker can conveniently and accurately observe the amount of liquid in the liquid storage cylinder 1 by contrasting the scale marks 10;

the bottom end of the liquid storage cylinder 1 is provided with a liquid pumping pipe 11 communicated with the liquid storage cylinder 1, the liquid storage cylinder 1 is sequentially provided with a liquid inlet pipe 12 and a liquid outlet pipe 13 from top to bottom, a contrast pipe 14 is arranged between the liquid inlet pipe 12 and the liquid outlet pipe 13, the tail end of the contrast pipe 14 is communicated with the tail end of the liquid inlet pipe 12, the other tail end of the contrast pipe 14 is communicated with the tail end of the liquid outlet pipe 13, and the liquid storage cylinder 1, the liquid inlet pipe 12, the liquid outlet pipe 13 and the contrast pipe 14 are communicated with each other to ensure that when the amount of liquid in the liquid storage cylinder 1 is large, the excessive liquid can enter the contrast pipe 14;

the liquid inlet pipe 12 is inclined downwards by 30 degrees, the liquid outlet pipe 13 is inclined upwards by 30 degrees, so that liquid in the liquid storage cylinder 1 can better enter the liquid inlet pipe 12, and meanwhile, liquid in the reference pipe 14 can better flow out of the liquid outlet pipe 13;

the liquid inlet pipe 12 and the liquid outlet pipe 13 are both provided with ball valves 15, so that the liquid inlet pipe 12 and the liquid outlet pipe 13 can be controlled to be communicated with the outside or not communicated with the outside by opening or closing the ball valves 15 when needed;

the inner wall that liquid storage cylinder 1 is close to its top position closely bonds and has spacing ring 16, the central point department of putting of spacing ring 16 is equipped with the first through-hole 161 that is linked together with the external world, be equipped with piston 17 in the liquid storage cylinder 1, sliding connection between piston 17 and the liquid storage cylinder 1, be equipped with connecting rod 171 on the piston 17, first through-hole 161 is passed and is provided with pressing disc 172 on the top of connecting rod 171, piston 17, connecting rod 171 and pressing disc 172 are the integrated into one piece structure, guarantee its structure more firm, and simultaneously, be convenient for drive piston 17 through pull connecting rod 171 and move, realize with liquid in the suction pipe 11 suction liquid storage cylinder 1, through pressing disc 172, drive piston 17 downstream, realize giving the extrusion with the liquid in the liquid storage cylinder 1, be convenient for detect work.

In this embodiment, interference fit between piston 17 and the liquid storage cylinder 1, and piston 17 adopts rubber materials to make, guarantees that it has certain elasticity, and laminating that can be better is on the inner wall of liquid storage cylinder 1, and the leakproofness between further assurance piston 17 and the liquid storage cylinder 1 is good.

Specifically, the liquid storage cylinder 1, the liquid pumping pipe 11, the liquid inlet pipe 12, the liquid outlet pipe 13 and the contrast pipe 14 are of an integrally formed structure, so that the structure is firmer.

Further, still be equipped with oval dish 101 on the top barrel of a liquid storage section of thick bamboo 1, a liquid storage section of thick bamboo 1 and oval dish 101 be integrated into one piece structure, and the cross-section of oval dish 101 is oval, makes when holding a liquid storage section of thick bamboo 1, and oval dish 101 can support on the palm, guarantees the difficult condition that a liquid storage section of thick bamboo 1 slips from hand that appears.

In addition, still be equipped with the seal cover 18 on the liquid suction pipe 11, be equipped with the ring channel that is linked together with the external world in the seal cover 18, the seal cover 18 cover is established on liquid suction pipe 11, pegs graft cooperation between the ring channel in liquid suction pipe 11 and the seal cover 18, simultaneously, interference fit between the cell wall of the ring channel in liquid suction pipe 11 and the seal cover 18, after the sample is ended, can overlap seal cover 18 on liquid suction pipe 11, guarantees simultaneously that seal cover 18 is difficult for dropping after the cover is gone up on liquid suction pipe 11.

In this embodiment, feed liquor pipe 12 through the setting, drain pipe 13 and contrast pipe 14, close ball valve 15 on the drain pipe 13, be convenient for extract too much liquid sample in liquid storage cylinder 1, too much liquid sample can enter into contrast pipe 14 along feed liquor pipe 12 in, thereby reach the effect of ration sample, and the liquid sample of storage in contrast pipe 14 can regard as reserve detection sample to use, convenient operation, general sampling device has been solved when using, it can not carry out the ration sample, when the operation, can bring certain inconvenient problem for the staff.

In the concrete operation, in order to adjust the liquid amount to be sampled conveniently, therefore, the piston 17 and the connecting rod 171 are improved on the basis of the above scheme, as shown in fig. 6 to 8, the piston 17 is provided with the screw rod 2, the screw rod 2 and the piston 17 are in an integrated structure, the end of the connecting rod 171 far away from the pressing disc 172 is provided with the support column 3, the support column 3 and the connecting rod 171 are in an integrated structure, the support column 3 is internally provided with the annular thread groove 30 communicated with the outside, the annular thread groove 30 is in threaded connection with the external thread on the surface of the screw rod 2, so that when needed, the connecting rod 171 is rotated to drive the support column 3 to rotate, when the support column 3 rotates, the distance between the piston 17 and the support column 3 changes, and the top end of the support column 3 can be supported on the limiting ring 16 when the connecting rod 171 is pulled outwards, thereby limiting the moving path of the piston 17, and further achieving the purpose of, meanwhile, the sampling quantity is convenient to adjust.

In this embodiment, an annular groove 20 is disposed in the screw 2, a second through hole 21 communicated with the outside is disposed on the top wall of the annular groove 20, a protruding column 31 vertically disposed is tightly bonded on the top wall of the annular thread groove 30, the protruding column 31 and the annular thread groove 30 are concentrically disposed, the end of the protruding column 31 passes through the second through hole 21 and is provided with a limiting disc 32, the protruding column 31 and the limiting disc 32 are integrally formed, the limiting disc 32 is located in the annular groove 20 and is slidably connected with the annular groove 20, the inner diameter of the annular groove 20 is larger than the aperture of the second through hole 21, the size of the limiting disc 32 is adapted to the size of the annular groove 20, on one hand, it is ensured that the limiting disc 32 cannot be separated from the second through hole 21, on the other hand, when the prop 3 is rotated, the limiting disc 32 moves in the annular groove 20, and the limiting disc 32 cannot be separated from the second through hole 21, thereby limiting the prop 3, the support column 3 is ensured not to fall off from the screw rod 2.

In this embodiment, through support post 3 and screw rod 2 that sets up, and threaded connection between support post 3 and the screw rod 2, be convenient for rotate connecting rod 171 and adjust the distance between piston 17 and the support post 3, and the top of support post 3 can support on spacing ring 16 along with connecting rod 171 outwards when pull, thereby realize spacing the moving distance of piston 17, further reach the purpose of ration sample, simultaneously, also be convenient for adjust the volume of sample, solved general sampling device when using, it can not adjust the problem of the volume of sample.

The utility model discloses a liquid food sampling device that can ration sample is when using, close ball valve 15 on the drain pipe 13, open ball valve 15 on the feed liquor pipe 12, insert liquid suction pipe 11 in the external liquid food, upwards carry again and draw pressure dish 172, pressure dish 172 upward movement can drive connecting rod 171 and piston 17 upward movement, at this moment, realize with liquid food suction to liquid storage cylinder 1 in from liquid suction pipe 11, when storing too much liquid sample in liquid storage cylinder 1, too much liquid sample can enter into contrast pipe 14 along feed liquor pipe 12, at this moment, close ball valve 15 on feed liquor pipe 12, unnecessary liquid sample can be stored in contrast pipe 14, use as reserve sample;

in addition, the connecting rod 171 or the pressing disc 172 can also be rotated, the connecting rod 171 drives the prop 3 to rotate when rotating, when the prop 3 rotates, because the prop 3 is in threaded connection with the screw 2, at the moment, the distance between the piston 17 and the prop 3 can be changed, and the top end of the prop 3 can be propped against the limit ring 16 when the connecting rod 171 is pulled outwards, so that the moving path of the piston 17 is limited, the purpose of adjusting the moving path of the piston 17 is achieved, the purpose of quantitative sampling is further achieved, and meanwhile, the sampling amount can be conveniently adjusted;

when extruding the liquid sample, press down and press disc 172, press disc 172 downstream and drive connecting rod 171 and piston 17 downstream, piston 17 downstream realizes giving the end of drawing liquid pipe 11 with the liquid sample in liquid storage cylinder 1 and extrudes, facilitates the use, has solved general sampling device when using, and it can not carry out the ration sample, when the operation, can bring certain inconvenient problem for the staff.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. A liquid food sampling device that can quantitative sample, includes liquid storage section of thick bamboo (1), its characterized in that: the liquid storage device is characterized in that scale marks (10) arranged along the length direction of the liquid storage cylinder (1) are arranged on the surface of the liquid storage cylinder (1), a liquid pumping pipe (11) communicated with the liquid storage cylinder (1) is arranged at the bottom end of the liquid storage cylinder (1), a liquid inlet pipe (12) and a liquid outlet pipe (13) are sequentially arranged on the liquid storage cylinder (1) from top to bottom, a contrast pipe (14) is arranged between the liquid inlet pipe (12) and the liquid outlet pipe (13), the liquid storage cylinder (1), the liquid inlet pipe (12), the liquid outlet pipe (13) and the contrast pipe (14) are communicated with each other, the liquid inlet pipe (12) is inclined downwards by 30 degrees, the liquid outlet pipe (13) is inclined upwards by 30 degrees, and ball valves (15) are arranged on the liquid inlet pipe (12) and the liquid outlet pipe (13); be equipped with spacing ring (16) on the inner wall that liquid storage cylinder (1) is close to its top position, the central point department of putting of spacing ring (16) is equipped with first through-hole (161) that is linked together with the external world, be equipped with piston (17) in liquid storage cylinder (1), piston (17) with sliding connection between liquid storage cylinder (1), be equipped with connecting rod (171) on piston (17), the top of connecting rod (171) is passed first through-hole (161) is provided with and presses dish (172).

2. A liquid food sampling device capable of quantitative sampling according to claim 1, wherein: the piston (17) is in interference fit with the liquid storage cylinder (1).

3. A liquid food sampling device capable of quantitative sampling according to claim 1, wherein: the liquid storage cylinder (1), the liquid pumping pipe (11), the liquid inlet pipe (12), the liquid outlet pipe (13) and the contrast pipe (14) are of an integrally formed structure.

4. A liquid food sampling device capable of quantitative sampling according to claim 1, wherein: an elliptic disc (101) is also arranged on the top end cylinder body of the liquid storage cylinder (1).

5. A liquid food sampling device capable of quantitative sampling according to claim 1, wherein: the liquid pumping pipe (11) is further provided with a sealing sleeve (18), and the sealing sleeve (18) is sleeved on the liquid pumping pipe (11).

6. A liquid food sampling device capable of quantitative sampling according to claim 1, wherein: the piston (17) is provided with a screw rod (2), the tail end of the connecting rod (171) far away from the pressing disc (172) is provided with a support column (3), an annular thread groove (30) communicated with the outside is arranged in the support column (3), and the annular thread groove (30) is in threaded connection with the screw rod (2).

7. A liquid food sampling device capable of quantitative sampling according to claim 6, wherein: be equipped with ring channel (20) in screw rod (2), be equipped with second through-hole (21) that are linked together with the external world on the roof of ring channel (20), be equipped with on the roof of ring channel (30) and be projection (31) that vertical form set up, the end of projection (31) passes second through-hole (21) and be provided with spacing dish (32), spacing dish (32) are located in ring channel (20) and with sliding connection between ring channel (20).

8. The liquid food sampling device capable of quantitative sampling according to claim 7, wherein: the inner diameter of the annular groove (20) is larger than the aperture of the second through hole (21), and the size of the limiting disc (32) is matched with that of the annular groove (20).

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