CN220136781U - Sample divider - Google Patents

Abstract

The utility model relates to the field of sampling and sample division, in particular to a sample divider, which comprises a sample divider body, a bracket, a supporting plate, an upper carrier and a lower carrier; the bracket is connected to the bottom of the sample divider body; the support plate is horizontally arranged in the bracket and divides the internal space of the bracket into an upper part and a lower part; the upper part is used for placing the upper carrier, and the lower part is used for placing the lower carrier; a sample passing channel vertically penetrating through the upper carrier is arranged in the upper carrier; the supporting plate is provided with a via hole vertically penetrating through the supporting plate; when the sample divider is used for dividing samples, the sample passing channel of the upper carrier is aligned with the through hole of the supporting plate; and a plugging mechanism for preventing the upper carrier from sliding relative to the support plate is arranged between the upper carrier and the support frame, and/or a limiting mechanism for preventing the upper carrier from sliding relative to the support plate is arranged between the upper carrier and the support plate.

Description

Sample divider

Technical Field

The utility model relates to the field of sampling and sample dividing, in particular to a sample divider.

Background

When quality inspection is carried out on grain and oil, a certain amount of representative samples are sampled, whether the samples are fully mixed and evenly separated or not is judged, and further the representative inspection samples required by separation are contracted and separated, so that the quality inspection is an important factor influencing the detection of grain and oil.

The sample divider is a special instrument capable of accurately dividing samples of grain, and is quite common in inspection work. After one or more sample separation, the staff can be helped to obtain uniform and equal samples, and the sample separation result directly influences the next test work. Therefore, the operator must choose the most appropriate sample divider according to the test requirements, e.g. the size of the particle seeds. Common sample separators are often divided into three major categories, transverse format sample separators, zhong Dingshi sample separators and Canadian sample separators.

The transverse-format sample divider has simple and practical structure, and the grooves are arranged in a row for dividing various samples. When the sample is poured into the instrument from above, the seeds are divided uniformly into two equal parts by a series of slides in opposite directions, and repeated operations can be performed for ensuring accuracy.

The Zhong Dingshi sample divider is suitable for mixing and dividing the particle samples, and the instrument is a grain sample divider with higher accuracy. The novel copper sample dividing device has the advantages that the novel copper sample dividing device has a tripod-type structure, and the copper sample dividing lattice inside the novel copper sample dividing device has higher elasticity and corrosion resistance, so that the accuracy and stability of sample dividing precision are guaranteed, and the novel copper sample dividing device has the characteristics of being simple in structure, convenient to use, even in sample mixing and small in sample dividing error.

The Canadian type sample divider is a sample divider capable of mixing and dividing granular grain and oil samples efficiently, has the characteristics of higher detection accuracy, simple structure, convenience in use, uniformity in mixing and small sample dividing error, and is widely applicable to sample dividing of granular samples such as soybeans, rice, wheat and corns.

The three sample separators have different structures and performances, but the purpose is to realize accurate sample separation and provide basic guarantee for later development of inspection work.

The Canadian sample divider comprises a sample divider body and two carriers (an upper carrier and a lower carrier) which are stacked. The center of the upper carrier is provided with a sample passing channel, and materials leaked from the center of the lower hopper of the sample divider body can enter the lower carrier after passing through the sample passing channel of the upper carrier. Because Canadian type sample divider is artificial sample divider, most of operations (including taking and placing of the upper carrier and the lower carrier) are completed manually, if the sample passing channel is not aligned with the lower hopper when the upper carrier is placed, the materials can be spilled out, so that the sample division is uneven.

Disclosure of Invention

In view of this, the present utility model provides a sample divider, which aims to ensure that the sample passage of the upper carrier can be accurately aligned with the lower hopper when the upper carrier is placed, so that the sample division by the dichotomy is more accurate and uniform.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a sample divider comprises a sample divider body, a bracket, a supporting plate, an upper carrier and a lower carrier; the bracket is connected to the bottom of the sample divider body; the support plate is horizontally arranged in the bracket and divides the internal space of the bracket into an upper part and a lower part; wherein the upper part is used for placing the upper carrier, and the lower part is used for placing the lower carrier; a sample passing channel vertically penetrating through the upper carrier is arranged in the upper carrier; the supporting plate is provided with a via hole vertically penetrating through the supporting plate; when the sample divider is used for dividing samples, the sample passing channel of the upper carrier is aligned with the through hole of the supporting plate; and a plugging mechanism for preventing the upper carrier from sliding relative to the support plate is arranged between the upper carrier and the support frame, and/or a limiting mechanism for preventing the upper carrier from sliding relative to the support plate is arranged between the upper carrier and the support plate.

In some embodiments, the plugging mechanism comprises a plugging portion arranged at the edge of the upper carrier and a plugging portion arranged on the bracket and used for clamping the plugging portion.

In some embodiments, the support includes at least three feet, a portion of which serves as the engagement portion; the inserting portion comprises two protruding blocks arranged at intervals, and the distance between the two protruding blocks is consistent with the width of the inserting portion.

In some embodiments, the spacing mechanism includes mutually-adapted recesses and protrusions; one of the concave part and the convex part is arranged at the bottom of the upper carrier, and the other is arranged at the top of the supporting plate.

In some embodiments, the spacing mechanism comprises an inner protrusion and an outer protrusion of similar shape, and the outer ring size of the inner protrusion corresponds to the inner ring size of the outer protrusion; one of the inner convex part and the outer convex part is arranged at the bottom of the upper carrier, and the other is arranged at the top of the supporting plate.

In some embodiments, the shape of the limiting mechanism is a shape surrounded by a straight line, a shape surrounded by a curved line, or a shape surrounded by both straight line and curved line.

In some embodiments, the recess is an annular groove; the protruding portion comprises at least two protrusions which are arranged at intervals.

In some embodiments, the recess includes at least two spaced apart grooves; the convex part comprises at least two bulges which are arranged at intervals; the grooves are arranged in one-to-one correspondence with the protrusions.

In some embodiments, the sample divider body comprises a feed section and a divider section; the feeding section comprises a feeding bin and a feeding hopper arranged in the feeding bin; the material distribution section comprises a material distribution bin, a material distribution hopper, a guide plate and a discharging hopper; the distributing hopper and the discharging hopper are coaxially arranged, and the distributing hopper is positioned above the discharging hopper; the connecting parts of the distributing hopper and the discharging hopper are connected with the inner wall of the distributing bin through an even number of guide plates distributed at the connecting parts of the distributing hopper and the discharging hopper at equal intervals; sample separation holes are formed between any two adjacent guide plates; one of the two adjacent sample dividing holes is communicated with the interior of the discharging hopper, and the other sample dividing hole is communicated with the exterior of the discharging hopper; and a discharge hole of the discharging hopper is positioned above the through hole.

In some embodiments, the feed section is detachably connected to the dividing section.

In summary, compared with the prior art, the utility model has the following advantages and beneficial effects: according to the utility model, the splicing mechanism for preventing the upper carrier from sliding relative to the support plate is arranged between the upper carrier and the support frame, and/or the limiting mechanism for preventing the upper carrier from sliding relative to the support plate is arranged between the upper carrier and the support plate, so that the sample passing channel of the upper carrier can be accurately aligned with the lower hopper when the upper carrier is placed, and the dichotomy sample separation is more accurate and uniform.

Drawings

Fig. 1 is a schematic perspective view of a canadian sample divider according to the background of the utility model.

Fig. 2 is a schematic diagram of the semi-sectional structure of fig. 1.

Fig. 3 is a schematic view of a semi-cutaway perspective of the feed section of fig. 1.

Fig. 4 is a schematic view of the discharge section of fig. 1 in a semi-cut perspective.

Fig. 5 is a schematic view of a three-dimensional assembly structure of the bracket and the support plate in fig. 1.

Fig. 6 is a schematic perspective view of the upper carrier of fig. 1.

Fig. 7 is a schematic perspective view of the lower carrier of fig. 1.

Fig. 8 is a schematic perspective view of an improved upper carrier according to an embodiment of the present utility model.

Fig. 9 is a schematic view illustrating a perspective assembly structure of an improved upper carrier, a bracket and a support plate according to an embodiment of the present utility model.

Fig. 10 is a schematic perspective view of an improved support plate according to a second embodiment of the present utility model.

Fig. 11 is a schematic perspective view of an improved upper carrier according to a second embodiment of the present utility model.

Fig. 12 is a schematic view of an assembled support plate and upper carrier with a modified embodiment of the utility model, with the combination of the recess and the projection partially enlarged.

Fig. 13 is a schematic perspective view of a modified support plate according to a third embodiment of the present utility model.

Fig. 14 is a schematic perspective view of an improved upper carrier according to a third embodiment of the present utility model.

Fig. 15 is a schematic view of an assembled support plate and upper carrier with an improved embodiment of the utility model, with the junction of the inner and outer protrusions partially enlarged.

Fig. 16 is a schematic perspective view of an improved upper carrier according to a fourth embodiment of the present utility model.

Fig. 17 is a schematic perspective view of an improved support plate according to a fifth embodiment of the present utility model.

The definitions of the various numbers in the figures are: the sample divider comprises a sample divider body 1, a feeding section 2, a feeding bin 21, a feeding hopper 22, a material dividing section 3, a material dividing bin 31, a material dividing bin 32, a guide plate 33, a lower hopper 34, a bracket 4, a supporting leg 41, an inserting part 42, a supporting plate 5, a through hole 51, an upper carrier 6, a sample passing channel 61, an inserting part 62, a lower carrier 7, a concave part 8, a groove 81, a convex part 9, a protrusion 91, an inner convex part 10 and an outer convex part 11.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the following specific embodiments.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of first, second, etc. terms, if any, are used solely for the purpose of distinguishing between technical features and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

As shown in fig. 1 and 2, the existing canadian type sample divider includes a sample divider body 1, a rack 4, a support plate 5, an upper carrier 6, and a lower carrier 7.

Wherein, divide appearance ware body 1 to include feeding section 2 and dividing section 3.

As shown in fig. 3, the feed section 2 includes a cylindrical feed bin 21 and a feed hopper 22 coaxially disposed within the feed bin 21 by means including, but not limited to, welding, bonding, and the like. The feed hopper 22 is conical with a small end facing downwards and having a discharge opening.

As shown in fig. 4, the material dividing section 3 includes a material dividing bin 31, a material dividing hopper 32, a flow guiding plate 33, and a discharging hopper 34, and the material dividing hopper 32, the flow guiding plate 33, and the discharging hopper 34 are all located in the cylindrical material dividing bin 31. The distributing bin 31 and the feeding bin 21 are arranged coaxially. The distributing hopper 32 and the discharging hopper 34 are conical, the feeding hopper 22, the distributing hopper 32 and the discharging hopper 34 are coaxially arranged, and the distributing hopper 32 is positioned above the discharging hopper 34. The small end of the distributing hopper 32 faces upwards and is a closed end, and the small end of the distributing hopper 32 is opposite to the discharge hole of the feeding hopper 22, so that materials falling from the feeding hopper 22 can be dispersed around through the distributing hopper 32. The small end of the discharging hopper 34 faces downwards and is provided with a discharging hole. An even number of the guide plates 33 are uniformly connected in the circumferential direction of the connection of the distribution hopper 32 and the discharge hopper 34 by means including but not limited to welding, bonding, etc., and the other ends of the guide plates 33 are connected to the inner wall of the distribution bin 31 by means including but not limited to welding, bonding, etc., thereby fixing the distribution hopper 32 and the discharge hopper 34 in the distribution bin 31. The guide plates 33 are distributed at equal intervals in the circumferential direction of the joint of the distributing hopper 32 and the discharging hopper 34, and sample distributing holes are formed between any two adjacent guide plates 33. And one of the sample dividing holes is communicated with the inside of the discharging hopper 34, so that one half of the materials rolling from the periphery of the material dividing hopper 32 can enter the inside of the discharging hopper 34 and fall out from a discharge hole at the bottom of the discharging hopper 34; the other sample separation hole communicates with the outside of the lower hopper 34 so that the other half of the material rolling around the distribution hopper 32 does not enter the inside of the lower hopper 34 but directly falls.

In some embodiments, in order to facilitate observation of sample separation conditions inside the material separation section 3, or in order to facilitate maintenance, the material separation section 3 may be detachably connected with the material separation section 2 by fastening, plugging, or the like.

The support 4 is connected to the bottom of the sample divider body 1, as shown in fig. 5, the support plate 5 is horizontally disposed in the support 4 and divides the internal space of the support 4 into an upper part for placing the upper carrier 6 shown in fig. 6 and a lower part for placing the lower carrier 7 shown in fig. 7. A sample passage 61 vertically penetrating through the upper carrier 6 is arranged in the upper carrier 6. The supporting plate 5 is provided with a through hole 51 vertically penetrating through the supporting plate 5. When the sample divider is used to divide samples, as shown in fig. 2, the sample passage 61 of the upper carrier 6 is aligned with the through hole 51 of the supporting plate 5, at this time, the discharge hole at the bottom of the lower hopper 34 is located just above the sample passage 61, so that half of the materials rolling from the periphery of the distributing hopper 32 can enter the interior of the lower hopper 34 and fall into the sample passage 61 from the discharge hole at the bottom of the lower hopper 34 to finally fall into the lower carrier 7, and the other half of the materials rolling from the periphery of the distributing hopper 32 cannot enter the interior of the lower hopper 34 and directly fall into the upper carrier 6, thereby completing the two-way sample division, so that the numbers of samples in the lower carrier 7 and the upper carrier 6 are consistent.

The present utility model employs the following embodiments to ensure that the loading channels 61 of the upper carrier 6 are accurately aligned with the lower hoppers 34 when placed.

One of the ideas is that a plugging mechanism for preventing the upper carrier 6 from sliding relative to the support plate 5 is provided between the upper carrier 6 and the bracket 4, as shown in embodiment one.

Example 1

As shown in fig. 8 and 9, the plugging mechanism includes a plugging portion 62 provided at an edge of the upper carrier 6 and a plugging portion 42 provided on the stand 4 for plugging the plugging portion 62.

The bracket 4 may include at least three legs 41, and a portion of the legs 41 serves as the insertion portion 42. The insertion portion 62 includes two protruding blocks disposed at intervals, and the interval between the two protruding blocks is identical to the width of the insertion portion 42. In this way, when the upper carrier 6 is placed on the support plate 5, the upper carrier 6 cannot slide relative to the support plate 5 through the insertion fit of the insertion portion 62 and the insertion portion 42, and the position of the upper carrier 6 on the support plate 5 is uniquely defined, and at this time, the sample passing channel 61 is located just below the discharge hole at the bottom of the lower hopper 34.

Another idea for ensuring that the loading channel 61 of the upper carrier 6 is accurately aligned with the lower hopper 34 when placed is to provide a limiting mechanism between the upper carrier 6 and the support plate 5 for preventing the upper carrier 6 from sliding relative to the support plate 5, as shown in embodiments two to five.

Example two

As shown in fig. 10, a concave portion 8 may be provided at the top of the support plate 5.

As shown in fig. 11, a projection 9 may be provided at the bottom of the upper carrier 6.

As shown in fig. 12, the concave portion 8 and the convex portion 9 are mutually adapted, so that when the upper carrier 6 is placed on the support plate 5, the convex portion 9 of the upper carrier 6 is just positioned in the concave portion 8 of the support plate 5, thereby preventing the upper carrier 6 from sliding relative to the support plate 5, and further ensuring that the sample passage 61 can be always positioned right below the discharge port at the bottom of the lower hopper 34 in this state.

Obviously, in the second embodiment, the positions of the concave portion 8 and the convex portion 9 may be interchanged, that is, the concave portion 8 is disposed at the bottom of the upper carrier 6, and the convex portion 9 is disposed at the top of the supporting plate 5, so that the technical effects are consistent and will not be repeated.

Example III

As shown in fig. 13, an inner protrusion 10 may also be provided at the top of the support plate 5.

As shown in fig. 14, an outer projection 11 may also be provided at the bottom of the upper carrier 6.

As shown in fig. 15, the inner protruding portion 10 and the outer protruding portion 11 are similar in shape, and the outer ring size of the inner protruding portion 10 is consistent with the inner ring size of the outer protruding portion 11, so that when the upper carrier 6 is placed on the support plate 5, the inner protruding portion 10 of the support plate 5 is located just inside the outer protruding portion 11 of the upper carrier 6, thereby preventing the upper carrier 6 from sliding relative to the support plate 5, and further ensuring that the sample passage 61 can be always located under the discharge port at the bottom of the lower hopper 34 in this state.

Obviously, in the third embodiment, the inner protruding portion 10 may also be disposed at the bottom of the upper carrier 6, and the outer protruding portion 11 may also be disposed at the top of the supporting plate 5, so that the technical effects are consistent and will not be described again.

In the second embodiment and the third embodiment, the shape of the limiting mechanism (i.e., the concave portion 8 and the convex portion 9 in the second embodiment, and the inner convex portion 10 and the outer convex portion 11 in the third embodiment) may be a shape surrounded by a straight line, for example, a polygonal shape such as a triangle, a rectangle, or the like, a shape surrounded by a curved line, for example, a closed curve shape such as a circle, an ellipse, or the like, or a shape surrounded by a straight line and a curved line together, for example, a semicircular shape, or the like.

Example IV

As shown in fig. 16, at least two protrusions 91 may be provided at a distance from each other at the bottom of the upper carrier 6.

The top of the support plate 5 may then be provided with an annular recess as in fig. 10.

When the upper carrier 6 is placed on the support plate 5, the protrusion 91 at the bottom of the upper carrier 6 is just located in the annular groove at the top of the support plate 5, and the technical effect is similar to that of the embodiment, and will not be repeated.

Obviously, in the fourth embodiment, the positions of the protrusion 91 and the annular groove may be interchanged, that is, the protrusion 91 is disposed at the top of the supporting plate 5, and the annular groove is disposed at the bottom of the upper carrier 6, so that the technical effects are consistent and will not be repeated.

Example five

As shown in fig. 17, at least two grooves 81 may also be provided at the top of the support plate 5, which grooves are spaced apart.

The bottom of the upper carrier 6 may then be provided with at least two spaced apart protrusions 91 as shown in fig. 16.

These grooves 81 and protrusions 91 are disposed in one-to-one correspondence, so that when the upper carrier 6 is placed on the support plate 5, the protrusions 91 at the bottom of the upper carrier 6 are just located in the grooves at the top of the support plate 5, and the technical effects are similar to those of the embodiment, and will not be repeated.

Obviously, in the fifth embodiment, the positions of the groove 81 and the protrusion 91 may be interchanged, that is, the groove 81 is disposed at the bottom of the upper carrier 6, and the protrusion 91 is disposed at the top of the supporting plate 5, so that the technical effects are consistent and will not be repeated.

It should be further noted that the first concept represented by the first embodiment and the second concept represented by the second to fifth embodiments may exist at the same time.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above-described preferred embodiments should not be construed as limiting the utility model, which is defined in the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.

Claims (10)

1. A sample divider, characterized in that: comprises a sample divider body (1), a bracket (4), a supporting plate (5), an upper carrier (6) and a lower carrier (7);

the bracket (4) is connected to the bottom of the sample divider body (1);

the support plate (5) is horizontally arranged in the bracket (4) and divides the inner space of the bracket (4) into an upper part and a lower part; wherein an upper part is used for placing the upper carrier (6), and a lower part is used for placing the lower carrier (7);

a sample passage (61) vertically penetrating through the upper carrier (6) is arranged in the upper carrier (6);

the supporting plate (5) is provided with a through hole (51) vertically penetrating through the supporting plate (5);

when the sample is separated by the sample separator, the sample passing channel (61) of the upper carrier (6) is aligned with the through hole (51) of the supporting plate (5);

a plugging mechanism for preventing the upper carrier (6) from sliding relative to the supporting plate (5) and/or a plugging mechanism for preventing the upper carrier (6) from sliding relative to the supporting plate (5) are arranged between the upper carrier (6) and the bracket (4),

a limiting mechanism used for preventing the upper carrier (6) from sliding relative to the supporting plate (5) is arranged between the upper carrier (6) and the supporting plate (5).

2. A decimator according to claim 1, wherein: the plugging mechanism comprises an inserting part (62) arranged at the edge of the upper carrier (6) and a plugging part (42) arranged on the bracket (4) and used for being clamped with the inserting part (62).

3. A decimator according to claim 2, wherein: the bracket (4) comprises at least three supporting feet (41), and a part of the supporting feet (41) is used as the inserting part (42); the inserting portion (62) comprises two protruding blocks arranged at intervals, and the distance between the two protruding blocks is consistent with the width of the inserting portion (42).

4. A decimator according to claim 1, wherein: the limiting mechanism comprises a concave part (8) and a convex part (9) which are mutually matched; one of the concave part (8) and the convex part (9) is arranged at the bottom of the upper carrier (6), and the other is arranged at the top of the supporting plate (5).

5. A decimator according to claim 1, wherein: the limiting mechanism comprises an inner protruding part (10) and an outer protruding part (11) which are similar in shape, and the outer ring size of the inner protruding part (10) is consistent with the inner ring size of the outer protruding part (11); one of the inner convex part (10) and the outer convex part (11) is arranged at the bottom of the upper carrier (6), and the other is arranged at the top of the supporting plate (5).

6. A sample divider as claimed in claim 4 or 5, wherein: the limiting mechanism is in a shape surrounded by a straight line, a shape surrounded by a curve or a shape surrounded by both the straight line and the curve.

7. A decimator according to claim 4, wherein: the concave part (8) is an annular groove; the projection (9) comprises at least two spaced apart projections (91).

8. A decimator according to claim 4, wherein: the concave part (8) comprises at least two grooves (81) which are arranged at intervals; the bulge (9) comprises at least two bulges (91) which are arranged at intervals; the grooves (81) are arranged in one-to-one correspondence with the protrusions (91).

9. A decimator according to claim 1, wherein: the sample divider body (1) comprises a feeding section (2) and a dividing section (3);

the feeding section (2) comprises a feeding bin (21) and a feeding hopper (22) arranged in the feeding bin (21);

the material dividing section (3) comprises a material dividing bin (31), a material dividing hopper (32), a guide plate (33) and a discharging hopper (34); the distributing hopper (32) and the discharging hopper (34) are coaxially arranged, and the distributing hopper (32) is positioned above the discharging hopper (34); the connecting parts of the distributing hopper (32) and the discharging hopper (34) are connected with the inner wall of the distributing bin (31) through even number of guide plates (33) which are distributed at the connecting parts of the distributing hopper (32) and the discharging hopper (34) at equal intervals; sample separation holes are formed between any two adjacent guide plates (33); one of the two adjacent sample dividing holes is communicated with the interior of the discharging hopper (34), and the other sample dividing hole is communicated with the exterior of the discharging hopper (34); the discharge hole of the discharging hopper (34) is positioned above the through hole (51).

10. A decimator according to claim 9, wherein: the feeding section (2) is detachably connected with the material dividing section (3).