CN217084295U

CN217084295U - Sampling device for granular food detection

Info

Publication number: CN217084295U
Application number: CN202221582931.3U
Authority: CN
Inventors: 任雅楠; 赵松玮; 徐田锋
Original assignee: Beijing Jianpu Technology Co ltd
Current assignee: Beijing Jianpu Technology Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-07-29
Anticipated expiration: 2032-06-23

Abstract

The utility model discloses a sampling device for graininess food detects, include: the device comprises an inner cylinder, a rotating rod and a plurality of clapboards, wherein the inner cylinder is divided into a plurality of sampling cavities along the axial direction of the inner cylinder by the clapboards, and the sampling cavities are provided with a first sample outlet and a first sample inlet; the outer cylinder rotates and is coaxially sleeved outside the inner cylinder, a handle is arranged at the top of the outer cylinder, a second sample outlet and a second sample inlet are formed in the outer cylinder, and a sealing door is arranged on the second sample outlet; a plurality of connecting cylinders, a plurality of connecting cylinders are fixed the cover respectively and are located a plurality of sample chamber outsides, and the connecting cylinder sets up with the urceolus clearance, has seted up first connector and second connector on the connecting cylinder, and when first appearance mouth overlaps completely with second appearance mouth, first introduction port and second introduction port do not overlap. The utility model discloses have the beneficial effect of taking a sample simultaneously to the sample of the different degree of depth.

Description

Sampling device for granular food detection

Technical Field

The utility model relates to a food sampling technical field. More specifically, the utility model relates to a sampling device for graininess food detects.

Background

The food detection is to detect harmful substances in food according to national standards, mainly detects harmful and toxic indexes, and detects heavy metals, aflatoxins, pesticide residues and the like in granular foods such as soybeans, mung beans, millet, rice and the like. In the food testing process, the most important link that also is the most crucial is sample sampling, all directly take a sample in same position of food when taking a sample to graininess food at present, and the inconvenience very to the sample sampling of the different degree of depth, when detecting the food to the different degree of depth, need inject the sampler many times and take a sample in the food, the time of not only having wasted the sample, but also reduced work efficiency, multiple repetition injects and stretches out, also cause the inside displacement that takes place of graininess food of the different degree of depth easily, and influence the sample accuracy. Also there is a device that can once only take out to the sample of the different degree of depth simultaneously at present, but during its sample, need the manpower to twitch the barrel, has a plurality of pistons on the barrel, need consume great strength during twitch, especially when to the darker sample of degree of depth, only rely on the manpower almost can't accomplish.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

To achieve these objects and other advantages in accordance with the purpose of the invention, a sampling device for granular food inspection is provided, including:

the top of the inner cylinder is fixed with a rotating rod, a plurality of partition plates are arranged in the inner cylinder at intervals, the inner cylinder is divided into a plurality of sampling cavities along the axial direction of the inner cylinder by the partition plates, and each sampling cavity is provided with a first sample outlet and at least one first sample inlet positioned above the first sample outlet;

the outer cylinder rotates and is coaxially sleeved outside the inner cylinder, the top of the inner cylinder is higher than that of the outer cylinder, the top of the outer cylinder is provided with at least one handle, the outer cylinder is respectively provided with a second sample outlet and a second sample inlet corresponding to the first sample outlet and the first sample inlet, and the second sample outlet is provided with a sealing door;

a plurality of connecting cylinders, a plurality of connecting cylinders are fixed the cover respectively and are located a plurality of sample chamber outsides, the outer wall of connecting cylinder with urceolus lateral wall clearance sets up, set up on the connecting cylinder respectively with first introduction port with first interface and the second connector of appearance mouth adaptation.

When the first sample outlet, the second connecting port and the second sample outlet are completely overlapped along the radial projection of the outer cylinder, the first sample inlet and the second sample inlet are not overlapped along the radial projection of the outer cylinder.

Preferably, the handles are in a pair, the handles are cylindrical, and the pair of handles are symmetrically arranged on the side wall of the outer barrel along the radial direction of the outer barrel.

Preferably, the device also comprises at least one pair of positioning rods, each pair of positioning rods respectively and movably penetrates through a pair of handles along the axial direction of the outer barrel, the bottom parts of the positioning rods are provided with limiting bulges, springs are penetrated through the positioning rods, the two ends of each spring are respectively limited between the limiting bulges and the handles, the top parts of the positioning rods are provided with strip-shaped clamping plates, the bottom parts of the clamping plates are provided with baffle plates,

when the bottom of the clamping plate abuts against the top of the rotating rod, the baffle and the positioning rod respectively abut against two sides of the rotating rod, and the spring is in a compressed state.

Preferably, the first sample inlet with the second sample inlet is a pair of, and a pair of first sample inlet is followed the inner tube is axial central symmetry, first sample inlet is followed the radial length of inner tube is less than 1.4 times of the radius of inner tube.

Preferably, the outer cylinder is fixed on the outer cylinder side wall in a coaxial sleeved mode, and the inner cylinder is fixed on the inner cylinder side wall in a sleeved mode.

Preferably, the bottom of the outer cylinder is lower than the bottom of the inner cylinder, and the bottom of the outer cylinder is in an inverted cone shape.

Preferably, the urceolus top corresponds be equipped with the mark line directly over the second introduction port, correspond on the rotary rod the strip-shaped observation hole has been seted up to the mark line, works as the rotary rod is rotatory extremely the observation hole is located directly over the mark line, first introduction port first connection port with the second introduction port is followed the radial projection of urceolus overlaps completely.

Preferably, when the rotating rod rotates to be parallel to the axial direction of the handle, the first sample outlet, the second connecting port, and the second sample outlet completely overlap in a radial projection of the outer cylinder.

Preferably, the handle is provided with an anti-slip sleeve.

The utility model discloses at least, include following beneficial effect: when granular foods such as soybean, mung bean, millet, rice and the like are sampled, the sampling device is convenient and quick, and samples of different depths can be taken out at the same time. The length and diameter of the outer cylinder and the inner cylinder, and the number of the sampling cavities are customized according to the sampling requirement. Only need rotate the inner tube position during the sample, it is little to rotate the strength that the inner tube consumes, even the length extension of inner tube and urceolus, relies on the manpower also can easily accomplish to rotate.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic view of the overall structure of the sampling device according to one embodiment of the present invention;

fig. 2 is a top view of the handle and the rotating rod according to one embodiment of the present invention;

fig. 3 is a side view of the positioning rod according to one embodiment of the present invention;

fig. 4 is a side view of the rotary rod according to one embodiment of the present invention;

fig. 5 is a radial cross-sectional view of the first sample inlet, the first connection port, and the second sample inlet aligned according to one embodiment of the present invention;

fig. 6 is a radial cross-sectional view of the first sample outlet, the second connection port, and the second sample outlet in the state shown in fig. 5 according to the present invention;

fig. 7 is a radial cross-sectional view of the first sample outlet, the second connection port, and the second sample outlet according to one embodiment of the present invention when they are aligned;

fig. 8 is a radial cross-sectional view of the first sample inlet, the first connection port and the second sample inlet when the sample injector is in the state shown in fig. 7.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It should be noted that in the description of the present invention, the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the indicated device or element 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.

As shown in FIGS. 1-8, the labels are intended to be as follows: the device comprises an inner barrel 1, a rotating rod 3, a partition plate 13, a sampling cavity 14, a first sample outlet 11, a first sample inlet 12, an outer barrel 2, a handle 23, a second sample outlet 21, a second sample inlet 22, a sealing door 24, a connecting barrel 4, a first connecting port 41, a second connecting port 42, a positioning rod 5, a limiting protrusion 51, a spring 52, a clamping plate 53, a baffle plate 54, a bearing 6, a marking line 25, an observation hole 31 and an anti-skid sleeve 26.

As shown in fig. 1-8, the utility model provides a sampling device for granular food detects, include:

the sampling device comprises an inner cylinder 1, wherein the upper end face and the lower end face of the inner cylinder 1 are in a closed state, a rotating rod 3 is fixed at the top of the inner cylinder 1, a plurality of partition plates 13 are arranged in the inner cylinder 1 at intervals, the inner cylinder 1 is divided into a plurality of sampling cavities 14 along the axial direction of the inner cylinder by the partition plates 13, the sampling cavities 14 are used for temporarily storing samples, and each sampling cavity 14 is provided with a first sample outlet 11 and at least one first sample inlet 12 positioned above the first sample outlet 11; during sampling, a sample can enter the sampling cavity 14 from the first sample inlet 12. When the sample is discharged, the sample can be poured out from the first sample outlet 11. The shape of the first sample inlet 12 and the first sample outlet 11 may be circular or square, or rectangular, and the regular shape is favorable for the entry and the exit of the sample.

The outer barrel 2 is in a closed state, the upper end face and the lower end face of the outer barrel 2 are in a closed state, the upper end face of the outer barrel 2 is provided with a through hole, the outer barrel 2 is coaxially sleeved outside the inner barrel 1, the outer barrel 2 is coaxially and rotatably connected with the inner barrel 1, the rotating connection mode is usually realized by adopting a bearing 6, the bearing 6 is small in rotating resistance, and the rotation is stable and reliable. The top of the inner cylinder 1 is higher than the top of the outer cylinder 2, the top of the outer cylinder 2 is provided with at least one handle 23, the handle 23 is helpful for applying force to the outer cylinder 2 along the axial direction, and the handle 23 can provide a force application point when the outer cylinder 2 is pressed into a sample bag or a sample barrel from top to bottom or the outer cylinder 2 is pressed into the sample bag from the horizontal direction during sampling. The outer cylinder 2 is symmetrical, and the number of the handles 23 is 2, so that the balanced force application by both hands is facilitated. A second sample outlet 21 and a second sample inlet 22 are respectively arranged on the outer cylinder 2 corresponding to the first sample outlet 11 and the first sample inlet 12, and a closed door 24 is arranged on the second sample outlet 21; the sample enters the sampling cavity 14 and then needs to pass through the second sample inlet 22 and the first sample inlet 12 in sequence, so the positions of the second sample inlet 22 and the first sample inlet 12 correspond and are adaptive, the inner cylinder 1 is rotated to adjust the position correspondence between the first sample inlet 12 and the second sample inlet 22, and the sample can smoothly enter the sampling cavity 14. During sampling, the closing door 24 on the second sample outlet 21 is closed to prevent the sample in the sampling cavity 14 from leaking.

A plurality of connecting cylinders 4, a plurality of connecting cylinders 4 are fixed the cover respectively and are located a plurality of sample chambers 14 outsidely, and the inner wall of connecting cylinder 4 is fixed with the laminating of 1 outer wall of inner tube promptly, the outer wall of connecting cylinder 4 with 2 lateral wall clearances of urceolus set up, have seted up on the connecting cylinder 4 respectively with first introduction port 12 with first interface 41 and the second connector 42 of 11 adaptations of first appearance mouth. The inner cylinder 1 and the outer cylinder 2 are rotatably connected, so that a certain gap exists between the inner cylinder 1 and the outer cylinder 2, for example, when the bearing 6 is adopted to realize the rotary connection, the gap is the thickness of the bearing 6. Therefore, the size of the gap cannot be ignored, and for granular food, such as soybean, mung bean, millet, rice, etc., the granular food is easy to enter between the inner cylinder 1 and the outer cylinder 2 from the gap, so that the inner cylinder 1 and the outer cylinder 2 are polluted, and even the inner cylinder 1 is prevented from rotating relative to the outer cylinder 2. Set up connecting cylinder 4 and can effectively reduce the clearance dimension between 2 inner walls of urceolus and the 4 suspension ends of connecting cylinder, make this clearance dimension be less than the size of sample granule to prevent the emergence of above-mentioned condition, work as first appearance mouth 11 second connector 42 with second appearance mouth 21 is followed when the radial projection of urceolus 2 overlaps completely, first kind port 12 with second kind port 22 is followed the radial projection of urceolus 2 does not overlap. The first sample inlet 12 and the second sample inlet 22 are both open, and are not provided with a covering part, and the relative position of the rotary inner cylinder 1 and the rotary outer cylinder 2 is controlled, so that after sampling is completed, the inner cylinder 1 is rotated, the first connection port 41 and the second sample inlet 22 are completely staggered, namely, the side wall of the connection cylinder 4 is used for sealing the second sample inlet 22, and thus, the sample in the sampling cavity 14 is prevented from leaking.

In above-mentioned technical scheme, through treating the sample product with 2 vertical correspondences of urceolus, press handle 23, press the sample depth of urceolus 2 impressed product, rotate rotary rod 3, make first introduction port 12 aim at first interface 41 and second introduction port 22, because a plurality of sample chambers 14 are located the sample depth of difference to can carry out the simultaneous sampling to the sample of the different degree of depth, when reducing repeated many samplings, the last time sample is to the interference of current sample. After the sampling of each sampling cavity 14 is completed, the rotating rod 3 is rotated again, the inner cylinder 1 and the connecting cylinder 4 are driven to rotate, the connecting cylinder 4 is made to seal the second sample inlet 22, the purpose of stopping sampling is achieved, then the handle 23 is pulled to take out the outer cylinder 2, the sampling cavities 14 can be used for temporarily storing samples, and when detection is needed, only the sealing doors 24 need to be opened respectively, and the samples in the sampling cavities 14 are poured out one by one in sequence. When the device is adopted to sample granular foods such as soybean, mung bean, millet, rice and the like, the sampling device is convenient and fast, and samples of different depths can be taken out simultaneously. The length and diameter of the outer cylinder 2 and the inner cylinder 1, and the number of the sampling cavities 14 are customized according to the sampling requirement.

In another technical solution, the handles 23 are a pair, the handles 23 are cylindrical, and the pair of handles 23 are symmetrically arranged on the sidewall of the outer cylinder 2 along the radial direction of the outer cylinder 2. Make things convenient for both hands to exert pressing force and pulling force, make things convenient for the operating of sampling personnel.

In another kind of technical scheme, still include at least a pair of locating lever 5, every pair of locating lever 5 is followed the axial of urceolus 2 is respectively the activity wear to locate on a pair of handle 23, sets up the hole that link up from top to bottom on the handle 23, and locating lever 5 can downthehole activity from top to bottom, also can downthehole internal rotation, locating lever 5 bottom is equipped with spacing arch 51, and the size of spacing arch 51 is greater than the size in hole to make locating lever 5 can upwards not break away from handle 23, spacing arch 51 can set up to the nut, and 5 lower extremes of locating lever set up one section screw thread, and the nut spiro union realizes limiting displacement on locating lever 5. A spring 52 penetrates through the positioning rod 5, two ends of the spring 52 are respectively limited between the limiting protrusions 51 and the handle 23, a long-strip-shaped clamping plate 53 is arranged at the top of the positioning rod 5, a baffle 54 is arranged at the bottom of the clamping plate 53, when the bottom of the clamping plate 53 abuts against the top of the rotating rod 3, the baffle 54 and the positioning rod 5 abut against two sides of the rotating rod 3 respectively, and the spring 52 is in a compressed state. The positioning rod 5, the clamping plate 53 and the baffle plate 54 form a shape similar to an inverted 'concave' shape and are used for being clamped on the rotating rod 3, so that the rotating rod 3 is positioned and cannot rotate, and the positioning of the inner barrel 1 is realized.

In another technical scheme, first introduction port 12 with second introduction port 22 is a pair, and corresponding first connection port 41 also has a pair, and a pair of first introduction port 12 is followed inner tube 1 is axial central symmetry, first introduction port 12 is followed the radial length of inner tube 1 is less than 1.4 times of the radius of inner tube 1. When the two first sample inlets 12 satisfy the above dimensions, the state that the two second sample inlets 22 can be simultaneously sealed by the side wall of the connecting cylinder 4 after the inner cylinder 1 is rotated can be realized.

In another technical scheme, the device further comprises at least one bearing 6, an outer ring of the bearing 6 is coaxially sleeved and fixed on the side wall of the outer cylinder 2, and an inner ring of the bearing 6 is sleeved and fixed on the outer side wall of the inner cylinder 1. The bearing 6 is adopted to realize the relative rotation of the inner cylinder 1 and the outer cylinder 2, so that the rotation is more labor-saving and more stable. The number of bearings 6 is set to be appropriate according to the length and diameter of the outer cylinder 2 and the inner cylinder 1.

In another technical scheme, the bottom of the outer cylinder 2 is lower than the bottom of the inner cylinder 1, and the bottom of the outer cylinder 2 is in an inverted cone shape. The inverted cone shape is beneficial to the outer cylinder 2 to extend into the sample.

In another technical scheme, the top of the outer cylinder 2 corresponds to a mark line 25 is arranged right above the second sample inlet 22, the mark line 25 can be set to be a fluorescent strip with a fluorescent function or represented by a drawn line, the rotary rod 3 is provided with a strip-shaped observation hole 31 corresponding to the mark line 25, the rotary rod 3 has a certain width, so that the mark line 25 is inconvenient to observe, the observation hole 31 is arranged, the mark line 25 can be directly seen through the observation hole 31, and the position is convenient to judge. When the rotating rod 3 rotates to the observation hole 31 is located right above the mark line 25, the first sample inlet 12, the first connection port 41 and the second sample inlet 22 completely overlap along the radial projection of the outer cylinder 2. Because during the sample, inside first introduction port 12 and second introduction port 22 had stretched into the sample, the naked eye can not observe, is difficult to judge whether first introduction port 12 aims at with second introduction port 22, consequently, can influence sampling efficiency and success rate, and set up behind marking line 25 and the observation hole 31, can externally judge the position accurately, improves sampling efficiency and success rate.

In another technical solution, when the rotating rod 3 rotates to be parallel to the axial direction of the handle 23, the first sample outlet 11, the second connecting port 42 and the second sample outlet 21 completely overlap in a radial projection of the outer cylinder 2. After the sample finishes, make rotary rod 3 and handle 23 axial parallel, fix a position rotary rod 3 through locating lever 5, cardboard 53, baffle 54, unable rotation to guarantee when pulling out urceolus 2, can not have the sample to spill from sample chamber 14.

In another technical scheme, the handle 23 is provided with an anti-slip sleeve 26. The anti-slip cover 26 is usually made of rubber material, or silica gel material is also used. The slip-resistant sheath 26 may enhance the tactile experience of the hand of the sampling person.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. A sampling device for granular food detects, characterized by, includes:

the connecting cylinders are respectively and fixedly sleeved outside the sampling cavities, the outer walls of the connecting cylinders are arranged in a clearance with the side wall of the outer cylinder, and the connecting cylinders are provided with a first connecting port and a second connecting port which are respectively matched with the first sample inlet and the first sample outlet;

2. The sampling device for granular food detection as claimed in claim 1, wherein said pair of handles is cylindrical, and a pair of handles is symmetrically arranged on the side wall of said outer cylinder along the radial direction of said outer cylinder.

3. The sampling device for granular food detection as claimed in claim 1, further comprising at least a pair of positioning rods, each pair of positioning rods is movably inserted through a pair of handles along the axial direction of the outer barrel, the bottom of each positioning rod is provided with a limiting protrusion, a spring is inserted through each positioning rod, the two ends of each spring are respectively limited between the limiting protrusion and the handles, the top of each positioning rod is provided with an elongated clamping plate, the bottom of each clamping plate is provided with a baffle plate,

4. The sampling device for granular food detection as recited in claim 1, wherein the first sample inlet and the second sample inlet are a pair, the pair of first sample inlets are axially symmetric about the center of the inner cylinder, and the length of the first sample inlet along the radial direction of the inner cylinder is less than 1.4 times the radius of the inner cylinder.

5. The sampling device for granular food detection as claimed in claim 1, further comprising at least one bearing, wherein an outer ring of the bearing is coaxially sleeved and fixed on the side wall of the outer cylinder, and an inner ring of the bearing is sleeved and fixed on the outer side wall of the inner cylinder.

6. The sampling device for granular food detection as set forth in claim 1, wherein the bottom of the outer cylinder is lower than the bottom of the inner cylinder, and the bottom of the outer cylinder is in an inverted cone shape.

7. The sampling device for granular food detection as claimed in claim 1, wherein a marking line is disposed at the top of the outer barrel and directly above the second sample inlet, a bar-shaped observation hole is disposed on the rotary rod and corresponds to the marking line, and when the rotary rod rotates to the point that the observation hole is located directly above the marking line, the first sample inlet, the first connection port and the second sample inlet completely overlap with each other along the radial projection of the outer barrel.

8. The sampling device for granular food detection as set forth in claim 7, wherein when the rotating rod is rotated to be parallel to the axial direction of the handle, the first sample outlet, the second connection port and the second sample outlet are completely overlapped in a radial projection of the outer cylinder.

9. The sampling device for granular food detection as claimed in claim 1, wherein the handle is provided with an anti-slip sleeve.