CN218180409U - Liquid food metering and sampling device - Google Patents

Liquid food metering and sampling device Download PDF

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Publication number
CN218180409U
CN218180409U CN202222613474.6U CN202222613474U CN218180409U CN 218180409 U CN218180409 U CN 218180409U CN 202222613474 U CN202222613474 U CN 202222613474U CN 218180409 U CN218180409 U CN 218180409U
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CN
China
Prior art keywords
pipe
auxiliary
piston rod
push rod
piston
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Expired - Fee Related
Application number
CN202222613474.6U
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Chinese (zh)
Inventor
吴静怡
闫妍
姜蒙
王振宇
李媛
彭婷婷
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Shandong Institute of Metrology
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Shandong Institute of Metrology
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Priority to CN202222613474.6U priority Critical patent/CN218180409U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a liquid food measurement sampling device, including the urceolus, the vertical sliding connection push rod of top surface of urceolus, the scale has on the push rod, the bottom fixed connection diaphragm of push rod, set up first spring between the top of push rod and the urceolus, the inside of urceolus sets up the master piston pipe, the master piston rod is upwards connected to the master piston pipe, the top and the diaphragm fixed connection of master piston rod, the main straw is connected to the bottom of master piston pipe, connect the installation head after the urceolus is worn out downwards to the main straw, the liquid pipe is got to the installation head connection, the inside of urceolus sets up the auxiliary piston pipe, the auxiliary piston pipe is upwards connected to the auxiliary piston pipe, set up the second spring between the top of auxiliary piston rod and the auxiliary piston pipe, the top height of auxiliary piston rod is less than the top height of master piston rod, the auxiliary straw is connected to the bottom of auxiliary piston pipe, the main straw is connected to the auxiliary straw. The utility model has the advantages of simple and reasonable structure, the general occasion that is used for a small amount of samples and take a large number of samples to precision when can guarantee a small amount of samples and efficiency when taking a large number of samples.

Description

Liquid food metering and sampling device
Technical Field
The utility model belongs to the technical field of the liquid food sample, concretely relates to liquid food measurement sampling device.
Background
Food safety is one of the most concerned problems of the broad masses of people, whether the food safety directly relates to the body health and life safety of people or not, and in order to ensure the food safety, the produced food needs to be sampled and detected.
Liquid food generally refers to has mobility to the food of water as dispersion medium, before detecting liquid food, needs take a sample to it earlier, at present, when liquid food measures the sample, need use small-size sampler in order to guarantee measurement accuracy to the condition of a small amount of samples, need to trade the big size sampler to the condition of a large amount of samples otherwise influence sampling efficiency, needs a liquid food measurement sampling device who is generally used for a small amount of samples and a large amount of sample scenes urgently.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model provides a liquid food measurement sampling device presses the extraction stage through setting up two to be applicable to the occasion of a small amount of and a large amount of samples, precision when guaranteeing a small amount of samples simultaneously and efficiency when a large amount of samples.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a liquid food measurement sampling device, includes vertical urceolus, the vertical sliding connection push rod in top surface of urceolus, the scale has on the push rod, the bottom of push rod is located the inside and the diaphragm that the fixed connection level of urceolus set up, set up first spring between the top of push rod and the urceolus, the inside vertical fixed master piston pipe that sets up of urceolus, master piston pipe upwards connects the master piston rod, the top and diaphragm fixed connection of master piston rod, the main straw is connected to the bottom of master piston pipe, the main straw is worn out the urceolus downwards and is connected the installation head, the fixed bottom that sets up at the urceolus of installation head, the liquid pipe is got to the installation head downwardly connected, the inside vertical fixed vice piston pipe that sets up of urceolus, vice piston pipe upwards connects vice piston rod, set up the second spring between the top of vice piston rod and the vice piston pipe, the top height of vice piston rod is less than the top height of master piston rod, vice piston rod is located the diaphragm under the scope, vice straw is connected to the bottom of vice piston pipe, vice straw is connected.
Preferably, at least one of the slave piston tubes is provided, and the sum of the radii of all the slave piston tubes is larger than the radius of the master piston tube.
Preferably, the height of the top end of the auxiliary piston pipe is equal to that of the top end of the main piston pipe.
Preferably, the scales are divided into a small scale section located below and a large scale section located above, the small scale section corresponds to the independent movement of the main piston rod, and the large scale section corresponds to the joint movement of the main piston rod and the auxiliary piston rod.
Preferably, the side of push rod corresponds vertical range with the scale and is equipped with a plurality of hemispherical recesses, the top fixed connection ring piece of urceolus, the ring piece cup joints in the push rod, the vertical sliding connection of push rod and ring piece, the flexible dop that sets up of inner wall of ring piece, set up the third spring between the outwards one end of dop and the ring piece.
Preferably, the liquid taking pipe is detachably and vertically inserted with the mounting head.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is provided with an outer cylinder, a push rod, a transverse plate, a main piston tube, a main piston rod, an auxiliary piston tube, an auxiliary piston rod, a main suction tube, an auxiliary suction tube and other structures, and the top end of the auxiliary piston rod is lower than the main piston rod, so that the device has two pressing force storage extraction stages; when the push rod is pressed in the initial stage, only the main piston rod and the main piston pipe participate in the power storage extraction, so that the accurate control of the sampling quantity is ensured, and the device is used in the occasions of sampling a small quantity of samples; when the push rod is continuously pressed in the subsequent stage, the auxiliary piston rod and the auxiliary piston tube are also added with the force accumulation for extraction, so that the efficiency of extracting liquid food is improved, and the liquid food sampling device is used in occasions of sampling a large quantity of liquid food; the device is generally used in the occasion of a small amount of and a large amount of samples to can compromise the sampling precision when a small amount of samples and the sampling efficiency when a large amount of samples.
2. The utility model provides a scale divide into little scale section and big scale section, and little scale section corresponds the main piston rod autonomous working, and the simultaneous working of main piston rod and vice piston rod is corresponded to big scale section, and two sampling stages of accurate division carry out the indicating value to two stages.
3. The utility model discloses in set up recess, ring piece, dop, third spring, the recess corresponds scale interval commonly used and sets up, the push rod when promoting, the dop card is gone into the recess and can carries out the spacing of certain degree to the push rod, and convenient to use person feels and learns the scale commonly used, is favorable to improving sampling efficiency.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an enlarged schematic view of a in fig. 1.
Description of reference numerals:
1, pushing a rod; 2 a first spring; 3, a circular ring block; 4, a transverse plate; 5, a main piston rod; 6, an outer cylinder; 7 a master piston tube; 8, a main suction pipe; 9 a mounting head; 10, a liquid taking pipe; 11 auxiliary piston rods; 12 a second spring; 13 secondary piston tubes; 14 pairs of suction pipes; 15 large scale sections; 16 small scale sections; 17, grooves; 18 a third spring; 19 clamp the head.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A liquid food metering and sampling device comprises a vertical outer barrel 6, a push rod 1 is vertically and slidably connected to the top surface of the outer barrel 6, vertically arranged scales are arranged on the push rod 1, the scale interval is large at the top and small at the bottom, the bottom end of the push rod 1 is positioned in the outer barrel 6 and is fixedly connected with a horizontal plate 4, a first spring 2 is arranged between the top end of the push rod 1 and the outer barrel 6, a main piston pipe 7 is vertically and fixedly arranged in the outer barrel 6, the main piston pipe 7 is upwards connected with a main piston rod 5, the top end of the main piston rod 5 is fixedly connected with the horizontal plate 4, the bottom end of the main piston pipe 7 is connected with a main suction pipe 8, the main suction pipe 8 downwards penetrates out of the outer barrel 6 and then is connected with a mounting head 9, the fixed bottom that sets up at urceolus 6 of installation head 9, installation head 9 connects down liquid taking pipe 10, the sampling tube is used for adorning the sampling liquid, the vertical fixed vice piston pipe 13 that sets up in inside of urceolus 6, vice piston pipe 13 upwards connects vice piston rod 11, set up second spring 12 between the top of vice piston rod 11 and the vice piston pipe 13, the top height that vice piston rod 11 is less than main piston rod 5, vice piston rod 11 is located diaphragm 4 within range under, vice straw 14 is connected to the bottom of vice piston pipe 13, main straw 8 is connected to vice straw 14, the top of push rod 1 is connected and is pressed the cap, it is two power stages to divide into when pushing down push rod 1: in the first stage, the push rod 1 only drives the main piston rod 5 to descend, only the first spring 2 accumulates force, and the liquid taking pipe 10 can take a small amount of liquid food by utilizing the resilience of the first spring 2 when the push rod 1 is released, so that the stage is used for the occasion of small amount of sampling; in the second stage, the push rod 1 drives the transverse plate 4 to contact with the auxiliary piston rod 11 and drives the auxiliary piston rod 11 to move downwards, the second spring 12 also stores power, the main piston pipe 7 and the auxiliary piston pipe 13 exhaust gas together, at the moment, the liquid taking pipe 10 can extract a large amount of liquid food by utilizing the resilience of the first spring 2 and the second spring 12 by loosening the push rod 1, the extraction speed is high in the stage, the extraction amount is large, and the liquid taking device is used for occasions of large-amount sampling.
In order to improve the extraction efficiency in the second stage of extraction, at least one of the auxiliary piston pipes 13 is arranged, and the sum of the radiuses of all the auxiliary piston pipes 13 is larger than the radius of the main piston pipe 7.
In order to synchronously push the main piston rod 5 and the sub piston rod 11 to the bottom, the height of the top end of the sub piston tube 13 is equal to the height of the top end of the main piston tube 7, and is set to be flush therewith.
The scale is divided into a small scale section 16 positioned below and a large scale section 15 positioned above, the unit length of the small scale section 16 is 1ml, the unit length of the large scale section 15 is 10ml, and the small scale section 16 corresponds to the independent movement of the main piston rod 5, namely the sampling quantity reference for the first stage; the large scale section 15 corresponds to the common movement of the primary piston rod 5 and the secondary piston rod 11, i.e. the sample volume reference for the second phase.
For the convenience of the user feels the sample volume not seeing under the condition of scale, correspond vertical range at the side of push rod 1 and the scale commonly used and be equipped with a plurality of hemispherical recesses 17, the top fixed connection ring piece 3 of urceolus 6, ring piece 3 cup joints in push rod 1, push rod 1 and the vertical sliding connection of ring piece 3, the flexible dop 19 that sets up of inner wall of ring piece 3, dop 19 outwards set up third spring 18 between one end and the ring piece 3, the present corresponding scale is known to the jam that user's accessible dop 19 and recess 17's joint brought, sample volume promptly.
In order to prevent mutual pollution, the liquid taking tube 10 needs to be replaced at any time, and the liquid taking tube 10 is detachably and vertically inserted with the mounting head 9, so that the replacement is convenient.
The utility model provides a liquid food measurement sampling device, the theory of use is:
when a small amount of liquid food is sampled, the outer cylinder 6 is held by hand, the push rod 1 is pressed down by a thumb, the first spring 2 is compressed, the push rod 1 drives the transverse plate 4 to drive the main piston rod 5 to descend, gas in the main piston tube 7 is discharged through the main suction tube 8, the mounting head 9 and the liquid taking tube 10, a common sampling scale is known by referring to the top end of the marking circular block 3 by a small scale section 16 or sensing the combination of a groove 17 of the small scale section 16 and a clamping head 19, the push rod 1 is kept stable, the liquid taking tube 10 is inserted into the liquid food to be sampled, the pressure lever is released, under the rebound action of the first spring 2, the push rod 1 drives the transverse plate 4 to drive the main piston rod 5 to ascend, and sample liquid is sucked into the liquid taking tube 10 to finish sampling;
when a large amount of samples are taken, the push rod 1 is pressed to a large extent, the transverse plate 4 is made to contact the auxiliary piston rod 11 and drive the auxiliary piston rod 11 to descend, the second spring 12 is compressed, air in the auxiliary piston tube 13 is discharged through the auxiliary suction tube 14, the main suction tube 8, the mounting head 9 and the liquid taking tube 10, at the moment, a large scale section 15 is referred, or a common sampling scale is known through sensing the combination of the groove 17 of the large scale section 15 and the clamping head 19, the push rod 1 is kept stable, the liquid taking tube 10 is inserted into liquid food to be sampled, the pressure rod is released, under the rebounding action of the first spring 2 and the second spring 12, the main piston rod 5 and the auxiliary piston rod 11 ascend, and sample liquid is sucked into the liquid taking tube 10 to finish sampling.
A small amount and a large amount in the present embodiment are defined relatively, and each structural component in the present apparatus may be configured appropriately according to actual requirements.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. The liquid food metering and sampling device comprises a vertical outer barrel (6), and is characterized in that the top surface of the outer barrel (6) is vertically connected with a push rod (1) in a sliding manner, scales are arranged on the push rod (1), the bottom end of the push rod (1) is positioned inside the outer barrel (6) and is fixedly connected with a transverse plate (4) horizontally arranged, a first spring (2) is arranged between the top end of the push rod (1) and the outer barrel (6), a main piston pipe (7) is vertically and fixedly arranged inside the outer barrel (6), the main piston pipe (7) is upwards connected with a main piston rod (5), the top end of the main piston rod (5) is fixedly connected with the transverse plate (4), the bottom end of the main piston pipe (7) is connected with a main suction pipe (8), the main suction pipe (8) downwards penetrates out of the outer barrel (6) to be connected with an installing head (9), the installing head (9) is fixedly arranged at the bottom end of the outer barrel (6), the installing head (9) is downwards connected with a liquid taking pipe (10), an auxiliary piston pipe (13) is vertically and arranged inside the outer barrel (6), the auxiliary piston pipe (13) is upwards connected with the auxiliary piston pipe (11), the top end of the auxiliary piston pipe (11) is arranged between the top end of the auxiliary piston pipe (11), the piston rod (11) and the height of the piston rod (11) is lower than that of the piston (11), and the piston rod (12) is lower than that of the piston rod (11), the auxiliary piston rod (11) is located in the range right below the transverse plate (4), the bottom end of the auxiliary piston tube (13) is connected with an auxiliary suction tube (14), and the auxiliary suction tube (14) is connected with the main suction tube (8).
2. The liquid food metering and sampling device as claimed in claim 1, wherein at least one of the auxiliary piston pipes (13) is provided, and the sum of the radii of all the auxiliary piston pipes (13) is larger than the radius of the main piston pipe (7).
3. The liquid food metering and sampling device according to claim 1, characterized in that the height of the top end of the auxiliary piston tube (13) is equal to the height of the top end of the main piston tube (7).
4. The liquid food metering and sampling device according to claim 1, wherein the scale is divided into a small scale section (16) located at the lower part and a large scale section (15) located at the upper part, the small scale section (16) corresponds to the independent movement of the main piston rod (5), and the large scale section (15) corresponds to the joint movement of the main piston rod (5) and the auxiliary piston rod (11).
5. The liquid food metering and sampling device according to claim 4, wherein a plurality of hemispherical grooves (17) are vertically arranged on the side surface of the push rod (1) corresponding to the scales, the top end of the outer cylinder (6) is fixedly connected with a circular ring block (3), the circular ring block (3) is sleeved on the push rod (1), the push rod (1) is vertically and slidably connected with the circular ring block (3), a clamping head (19) is telescopically arranged on the inner wall of the circular ring block (3), and a third spring (18) is arranged between the outward end of the clamping head (19) and the circular ring block (3).
6. The liquid food metering and sampling device according to claim 1, characterized in that the liquid taking tube (10) is detachably vertically inserted with the mounting head (9).
CN202222613474.6U 2022-09-30 2022-09-30 Liquid food metering and sampling device Expired - Fee Related CN218180409U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222613474.6U CN218180409U (en) 2022-09-30 2022-09-30 Liquid food metering and sampling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222613474.6U CN218180409U (en) 2022-09-30 2022-09-30 Liquid food metering and sampling device

Publications (1)

Publication Number Publication Date
CN218180409U true CN218180409U (en) 2022-12-30

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CN202222613474.6U Expired - Fee Related CN218180409U (en) 2022-09-30 2022-09-30 Liquid food metering and sampling device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117367885A (en) * 2023-12-07 2024-01-09 江苏希诚新材料科技有限公司 Carbon nano conductive paste viscosity testing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117367885A (en) * 2023-12-07 2024-01-09 江苏希诚新材料科技有限公司 Carbon nano conductive paste viscosity testing device
CN117367885B (en) * 2023-12-07 2024-02-09 江苏希诚新材料科技有限公司 Carbon nano conductive paste viscosity testing device

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Granted publication date: 20221230