CN210571543U

CN210571543U - Sampling device for food detection

Info

Publication number: CN210571543U
Application number: CN201921163760.9U
Authority: CN
Inventors: 不公告发明人
Original assignee: Qingdao Han Island Food Co Ltd
Current assignee: Qingdao Han Island Food Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-05-19
Anticipated expiration: 2029-07-23

Abstract

The utility model discloses a sampling device especially relates to a sampling device that food detection used, include: the drawing head, the connecting rod, the hollow tube and the liquid storage tube are connected in a sliding mode, the left side and the right side of the bottom end in the hollow tube are fixedly connected with the return spring in an embedded mode, and the piston in contact with the tail end of the return spring is connected in the hollow tube in a sliding mode. When sampling, the piston rod is pressed and then loosened, and the sample can be pumped into the liquid storage tube by using the pumping head, so that the liquid sample can be conveniently pumped; after the sample is extracted, the liquid storage pipes are pressed forcibly, so that the liquid storage pipes are extruded out of the connecting rods and are not clamped, the liquid storage pipes filled with the liquid sample are moved out, and the empty liquid storage pipes are clamped between the connecting rods, so that the liquid storage pipes can be used repeatedly, and the cost is saved; because the transparency of liquid storage pipe through the scale mark, can observe the liquid level of liquid storage pipe inside for what to make the user observe more clear of liquid level, solve the too high problem of present use cost.

Description

Sampling device for food detection

Technical Field

The utility model relates to a sampling device especially relates to a sampling device that food detection used.

Background

Guarantee food safety is an important function of food and drug supervision and management department, and the sample is the first step of detection, and the inspector will wait to detect takes detection mechanism to detect after the food sample, and to some liquid food such as fruit juice, soy sauce to just need use some liquid food such as confined sampling device extraction fruit juice, soy sauce.

According to Chinese patent No. CN201721025471.3, a sampler for food detection comprises a heat preservation box, and a sampling device for food detection is obtained, and when a sample of liquid food is extracted, the device is disposable, so that the use cost is overhigh.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of present use cost is too high, the utility model aims at providing a sampling device that food detection used.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a sampling device for food testing, comprising: the device comprises an extraction head, a connecting rod, a hollow tube and a liquid storage tube, wherein the left side and the right side of the bottom end in the hollow tube are fixedly embedded with a return spring, a piston which is contacted with the tail end of the return spring is connected in the hollow tube in a sliding manner, the upper end of the piston is fixedly embedded with a piston rod of which the tail end penetrates through the hollow tube, the left side and the right side of the lower end of the hollow tube are connected with the connecting rod which is integrated with the hollow tube, the extraction head is fixed at the tail end of the connecting rod, an extraction opening of which the upper end and the lower end are open ends is formed in the extraction head, the liquid storage tube is clamped between the connecting; at least three rubber blocks are vertically and uniformly embedded and fixed at one end of each connecting rod close to the liquid storage pipe, at least three clamping grooves are vertically and uniformly formed at the left end and the right end of the liquid storage pipe, inclined blocks are uniformly distributed at the left side and the right side of the bottom end in the liquid storage pipe, a rubber rope is embedded and fixed at the upper end of the inclined block at the left side, the tail end of the rubber rope is connected with a plug ball, and a sealing cover is arranged on the rubber ring at the upper side; and scale marks are arranged at the front end of the liquid storage pipe.

Specifically, the lower end of the hollow pipe is provided with a through hole for inserting the rubber ring at the upper side, and the rubber ring at the upper side is communicated with the hollow pipe through the through hole.

Furthermore, the rubber ring on the lower side is inserted into the pumping opening and communicated with the pumping opening, and the pumping head is communicated with the liquid storage pipe through the pumping opening and the rubber ring.

Preferably, the rubber block is inserted into the clamping groove and clamped with the clamping groove, and the rubber block on the same side corresponds to the clamping groove.

More preferably, the inclined block is inclined toward the rubber ring at an angle of fifteen to twenty degrees.

Further, the diameter of the plug ball is equal to the inner diameter of the rubber ring.

Specifically, the liquid storage pipe is made of transparent PVC plastic.

Compared with the prior art, the utility model discloses the beneficial effect who realizes: when sampling, the piston rod is pressed and then loosened, and the sample can be pumped into the liquid storage tube by using the pumping head, so that the liquid sample can be conveniently pumped; after the sample is extracted, the liquid storage pipes are pressed forcibly, so that the liquid storage pipes are extruded out of the connecting rods and are not clamped, the liquid storage pipes filled with the liquid sample are moved out, and the empty liquid storage pipes are clamped between the connecting rods, so that the liquid storage pipes can be used repeatedly, and the cost is saved; because the transparency of liquid storage pipe, through the scale mark, can observe the liquid level of liquid storage pipe inside for what to make the user observe the clear more of liquid level.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a general schematic view of the present invention;

FIG. 2 is a schematic overall sectional view of the present invention;

FIG. 3 is an enlarged view of a portion A of the reservoir tube of FIG. 2.

In the figure: 1-extraction head, 2-connecting rod, 3-extraction opening, 4-rubber block, 5-hollow tube, 6-piston rod, 7-liquid storage tube, 8-graduation line, 9-rubber ring, 10-sealing cover, 11-clamping groove, 12-piston, 13-reset spring, 14-inclined block, 15-rubber rope and 16-ball stopper.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Referring to fig. 1 to 3, in embodiment 1, a sampling device for food detection includes: the liquid sample taking device comprises a taking head 1, a connecting rod 2, a hollow tube 5 and a liquid storage tube 7, wherein a return spring 13 is embedded and fixed on the left side and the right side of the bottom end in the hollow tube 5, a piston 12 which is in contact with the tail end of the return spring 13 is connected in a sliding mode in the hollow tube 5, a piston rod 6 of which the tail end penetrates through the hollow tube 5 is embedded and fixed on the upper end of the piston 12, when a liquid sample needs to be taken, the hollow tube 5 is shaken firstly, then the piston rod 6 is pressed, so that the piston 12 is pressed downwards, then the piston rod 6 is loosened, and the piston 12 can rebound to;

embodiment 2, according to the above embodiment, further, the hollow tube 5 is connected to the connecting rod 2 integrally therewith on both left and right sides of the lower end thereof, the extraction head 1 is fixed integrally at the end of the connecting rod 2, the extraction head 1 is internally provided with the extraction opening 3 with both upper and lower ends being open ends, the liquid storage tube 7 is clamped between the connecting rods 2, the upper and lower ends of the liquid storage tube 7 are fixedly embedded with the rubber rings 9 communicated therewith, the lower end of the hollow tube 5 is provided with the through opening for inserting the upper rubber ring 9, the upper rubber ring 9 is communicated with the hollow tube 5 through the through opening, the lower rubber ring 6 is inserted into the extraction opening 3 and communicated with the extraction opening 3, the extraction head 1 is communicated with the liquid storage tube 7 through the extraction opening 3 and the rubber ring 9, when the piston 12 rebounds to the original position, the suction force can be transmitted into the liquid storage tube 7 through the upper rubber ring 9, then the liquid sample is transmitted to the pumping port 3 along the rubber ring 9 on the lower side, and the liquid sample can be pumped into the liquid storage pipe 7 for storage through the pumping port 3 in the pumping head 1, so that the liquid sample can be conveniently pumped;

embodiment 3, according to the above embodiment, the difference between this embodiment and the above embodiments is that at least three rubber blocks 4 are vertically and uniformly embedded and fixed at one end of each connecting rod 2 close to the liquid storage tube 7, at least three clamping grooves 11 are vertically and uniformly opened at both ends of the liquid storage tube 7, the inclined blocks 14 are uniformly arranged at both sides of the bottom end inside the liquid storage tube 7, the rubber rope 15 is embedded and fixed at the upper end of the inclined block 14 at the left side, the tail end of the rubber rope 15 is connected with the plug ball 16, the rubber ring 9 at the upper side is provided with the sealing cover 10, the rubber blocks 4 are inserted into the clamping grooves 11 and clamped with the clamping grooves 11, the rubber blocks 4 and the clamping grooves 11 at the same side correspond to each other, the inclined blocks 14 are inclined toward the rubber ring 9 by fifteen to twenty degrees, the diameter of the plug ball 16 is equal to the inner diameter of the rubber ring 9, and when the hollow tube 5 is shaken, when liquid is sucked into the liquid storage tube 7 and the liquid storage tube 7 needs to be replaced, the liquid storage tube 7 is pressed forcibly, the rubber block 4 is not clamped with the clamping groove 11 due to the fact that the liquid storage tube 7 is under pressure and the rubber block 4 is deformed under pressure in the clamping groove 11, the liquid storage tube 7 is extruded out of the connecting rods 2, then the rubber block 4 can be moved out of the drawing opening 3 and the penetrating opening, after the liquid storage tube 7 is moved out, the rubber ring 9 on the lower side can be sealed in the rubber ring 9 again due to the rolling of the inclined block 14, the rubber ring 9 on the upper side can be sleeved with the sealing cover 10 to seal the rubber ring 9 on the upper side, the liquid storage tube 7 filled with a liquid sample is moved out, the hollow liquid storage tube 7 is clamped between the connecting rods 2 through the clamping connection of the rubber block 4 and the clamping groove 11, and the rubber rings 9 on the upper side and the lower side are respectively inserted into the penetrating opening and the drawing opening 3, thereby being capable of being used repeatedly and further saving the cost;

embodiment 4, according to the above-mentioned embodiment, as preferred, the scale mark 8 has been arranged to the liquid storage pipe 7 front end, liquid storage pipe 7 is made by transparent PVC plastics, because the transparency of liquid storage pipe 7, through scale mark 8, can observe the inside liquid level of liquid storage pipe 7 and be what to make the user observe the more clear of liquid level.

The theory of operation, at first, rock hollow tube 5 earlier for stopper ball 16 rocks rubber ring 9 earlier, presses piston rod 6 afterwards, along with down pressing piston 12 and make the extraction head 1 blow earlier, loosens piston rod 6 afterwards, through reset spring 13, can rebound the normal position with piston 12, makes extraction head 1 produce suction at this moment and absorbs sample liquid, inhales the liquid storage tube 7 inside with sample liquid, thereby is convenient for carry out the work of extracting the liquid sample.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A sampling device for food detection, comprising:

the device comprises an extraction head, a connecting rod, a hollow tube and a liquid storage tube, wherein the left side and the right side of the bottom end in the hollow tube are fixedly embedded with a return spring, a piston which is contacted with the tail end of the return spring is connected in the hollow tube in a sliding manner, the upper end of the piston is fixedly embedded with a piston rod of which the tail end penetrates through the hollow tube, the left side and the right side of the lower end of the hollow tube are connected with the connecting rod which is integrated with the hollow tube, the extraction head is fixed at the tail end of the connecting rod, an extraction opening of which the upper end and the lower end are open ends is formed in the extraction head, the liquid storage tube is clamped between the connecting; at least three rubber blocks are vertically and uniformly embedded and fixed at one end of each connecting rod close to the liquid storage pipe, at least three clamping grooves are vertically and uniformly formed at the left end and the right end of the liquid storage pipe, inclined blocks are uniformly distributed at the left side and the right side of the bottom end in the liquid storage pipe, a rubber rope is embedded and fixed at the upper end of the inclined block at the left side, the tail end of the rubber rope is connected with a plug ball, and a sealing cover is arranged on the rubber ring at the upper side; and scale marks are arranged at the front end of the liquid storage pipe.

2. A sampling device for food detection as defined in claim 1, wherein: the lower end of the hollow pipe is provided with a through hole for inserting the rubber ring at the upper side, and the rubber ring at the upper side is communicated with the hollow pipe through the through hole.

3. A sampling device for food detection as defined in claim 1, wherein: the rubber ring on the lower side is inserted into the pumping opening and communicated with the pumping opening, and the pumping head is communicated with the liquid storage pipe through the pumping opening and the rubber ring.

4. A sampling device for food detection as defined in claim 1, wherein: the rubber block is inserted into the clamping groove and clamped with the clamping groove, and the rubber block and the clamping groove on the same side correspond to each other.

5. A sampling device for food detection as defined in claim 1, wherein: the inclined block inclines to an angle of fifteen degrees to twenty degrees towards the rubber ring.

6. A sampling device for food detection as defined in claim 1, wherein: the diameter of the plug ball is equal to the inner diameter of the rubber ring.

7. A sampling device for food detection as defined in claim 1, wherein: the liquid storage pipe is made of transparent PVC plastic.