CN212646162U - Sampling device for powder in sealed tank - Google Patents
Sampling device for powder in sealed tank Download PDFInfo
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- CN212646162U CN212646162U CN202021082329.4U CN202021082329U CN212646162U CN 212646162 U CN212646162 U CN 212646162U CN 202021082329 U CN202021082329 U CN 202021082329U CN 212646162 U CN212646162 U CN 212646162U
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Abstract
The utility model discloses a sampling device for powder in a sealed tank, which comprises a sleeve and a sampling tube positioned in the sleeve, wherein the tail part of the sleeve is provided with a conical head, and the heads of the sleeve and the sampling tube are respectively provided with a handle; the outer wall of the sampling tube is attached to the inner wall of the sleeve; a plurality of first sampling holes are formed in the sleeve at equal intervals along the axial direction, a plurality of second sampling holes which correspond to the first sampling holes one by one are formed in the sampling pipe at equal intervals along the axial direction, and sampling boxes are arranged in the second sampling holes; the sampling tube rotates in the sleeve along the circumferential direction to enable the first sampling hole and the second sampling hole to be overlapped or staggered; the outer wall of the sleeve is provided with a plurality of stirring pieces, and the sleeve and the sampling tube are respectively provided with scale marks at one end close to the handle, and the scale marks are opposite to the first sampling hole and the second sampling hole along the axial direction; the inner wall of the tail part of the sleeve is provided with a limiting part, and the tail part of the sampling tube is abutted against the limiting part. The device can take out powder samples more conveniently.
Description
Technical Field
The utility model belongs to the technical field of cement, concrete production, especially a sampling device for powder in seal pot.
Background
The purchasing and selling links of industrial production and marketing enterprises, particularly building material industry, relate to the transaction of powdery products, and generally adopt a sealed tank car to carry, unload. Because the powder is filled in the sealed tank body, when the quality of the powder is sampled, a sampling tool can only be used for taking a sample on the surface layer of the powder at the top of the tank car, and the defect of poor representativeness exists. This results in the falsification of some unscrupulous suppliers, which is inferior in quality, such as the top of the sealed tank is filled with high-quality powder, the bottom is filled with inferior or defective products, if the quality inspector samples the powder, the quality inspector can not find the problem by taking the powder, and finally, the cement ground by using the powder has unqualified quality, and serious quality accidents occur.
Among the current patent, grant patent CN206095686U discloses an even sampling device of powder, through setting up the outer tube and being located the inside interior pole of outer tube, it has outer tube thief hole and interior pole thief hole to open respectively on outer tube and the interior pole, adjusts the position of outer tube and interior pole and just can make wherein 1 outer tube thief hole and 1 interior pole thief hole coincidence that corresponds with it, inserts in the powder, during the powder of the different degree of depth just can get into the thief hole of the interior pole of different positions. For example, the concrete powder sampling device that granted patent CN209182090U provided, stretch out the sampling tube from the inside of sampling tube sleeve pipe and insert inside the powder heap through pushing out handle powder, the powder on the pile surface is kept apart by the sampling tube sleeve pipe, and the powder that falls into inside the sampling cup is the inside powder of concrete powder heap entirely. For example, granted patent CN210638945U discloses a powder sampling device, which is characterized in that a plurality of feeding ports are arranged on the outer walls of an inner tube and an outer tube, a discharging port is arranged on one side of a far-away tip, an arc baffle plate for shielding the discharging port and an arc sliding plate for shielding the feeding port are arranged between the inner tube and the outer tube, a piston rod with a rubber plug is arranged in an inner cavity of the inner tube, and the rubber plug separates the inner cavity of the inner tube into different spaces for collecting powder at different depths. However, since the powder used in concrete has small particle size, even nanometer level, when the materials are stacked, the powder particles are easy to gather together due to the adsorption force between the powder particles, when the sampling devices are inserted into the powder stack, the powder contacting with the outer wall of the device at the periphery can gather together to form a smooth surface, the powder gathered into a whole is difficult to disperse by itself and then falls into the sampling hole inside the device, which is common in life, for example, after the flour of the flour stack is dug by a spoon, the deep pit can be formed at the digging position of the spoon, and the pit can not collapse due to the aggregation force between the flour particles. These devices therefore have a limited capacity to collect the powders, and are also too complex to be easily damaged and maintained.
Disclosure of Invention
In order to solve the problems of the prior art, the utility model provides a sampling device for powder in a sealing tank, which is realized through the following technical scheme.
A sampling device for powder in a sealed tank comprises a sleeve and a sampling tube positioned in the sleeve, wherein the tail part of the sleeve is provided with a conical head, and the heads of the sleeve and the sampling tube are respectively provided with a handle; the outer wall of the sampling tube is attached to the inner wall of the sleeve; a plurality of first sampling holes are formed in the sleeve at equal intervals along the axial direction, a plurality of second sampling holes which correspond to the first sampling holes one by one are formed in the sampling tube at equal intervals along the axial direction, and sampling boxes are arranged in the second sampling holes; the sampling tube rotates in the sleeve along the circumferential direction to enable the first sampling hole and the second sampling hole to be overlapped or staggered; the outer wall of the sleeve is provided with a plurality of stirring pieces, and the sleeve and the sampling tube are respectively provided with scale marks at one end close to the handle, wherein the scale marks are opposite to the first sampling hole and the second sampling hole along the axial direction; the inner wall of the tail part of the sleeve is provided with a limiting part, and the tail part of the sampling tube abuts against the limiting part.
The use method of the sampling device comprises the following steps: when powder at different depth positions in the sealed tank needs to be sampled, the sampling tube is inserted into the sleeve, and the tail of the sampling tube abuts against the limiting piece on the inner wall of the tail of the sleeve; rotating the sampling tube to make the scales on the sampling tube not aligned with the scales on the sleeve (generally in the completely opposite direction), and at the moment, the first sampling hole and the second sampling hole are just in a completely staggered state; inserting one end of a conical head of a sleeve into the powder to reach the expected depth of the powder to be collected, wherein the first sampling hole corresponds to the powder with the corresponding depth, and the first sampling hole and the second sampling hole are completely staggered, so that no powder falls into the sleeve due to the fact that a sampling box is sealed in the process of continuously inserting the powder; then the sampling tube or the sleeve is rotated to align the scales on the sampling tube and the sleeve, at the moment, the first sampling hole and the second sampling hole are just in a completely aligned state, at the moment, most of powder is still in a hardened state due to fine granularity, and only a small amount of powder enters the first sampling hole and the second sampling hole and falls into the sampling box; the sleeve and the sampling tube synchronously rotate together, and the stirring piece on the outer wall of the sleeve stirs nearby powder to disperse the nearby powder, and the dispersed powder falls into the stirring box under the combined action of gravity and the stirring plate; the sleeve and the sampling tube synchronously rotate for a period of time, and after an operator determines through self experience that enough powder samples are collected, the sampling tube or the sleeve is independently rotated to enable the scales of the sampling tube and the sleeve to be completely staggered, namely the first sampling hole and the second sampling hole are completely staggered again, and at the moment, the sampling box is sealed in the sampling tube; finally, the sleeve and the sampling tube are drawn out together again, and the powder materials with different depths in the sampling box are respectively and independently taken out.
In the sampling device, a plurality of first sampling holes on the sleeve are arranged in a row along the axial direction, and a plurality of second sampling holes on the sampling tube are also arranged in a row along the axial direction. Sealing and opening of the sampling box is realized by utilizing the relative rotation of the sleeve and the sampling tube, so as to collect different depths; through utilizing the stirring piece to stir the powder around the first thief hole, make it loose fall into the sample box to avoid producing the caking because of the interaction force between the powder granule and be difficult to fall like in the sample box, the powder sample in the sample box obviously increases, reaches the requirement of sample test. The shape of the stirring member is not limited, and the stirring member can be used in the patent as long as the stirring member can stir and break up the powder around the first sampling hole.
Preferably, the stirring pieces are hemispherical bulges uniformly distributed on the outer wall of the sleeve. As one form of the stirring member, the hemispherical protrusion can play a role of stirring.
Preferably, the stirring piece is a stirring plate, and the stirring plate is parallel to the axial direction of the sleeve; a plurality of stirring board is 1 group, and every group stirring board is followed the radial even setting of sheathed tube. As one form of the stirring piece, the stirring plate can also play the role of scattering powder.
More preferably, every group the stirring board corresponds 1 first thief hole, every group the stirring board sets up in the correspondence first thief hole is close to the one end of cover pipe head. When the sleeve is inserted into the powder, each group of stirring plates is positioned above the corresponding first sampling hole, and then when the stirring plates rotate and stir, the scattered materials can fall down and fall into the sampling box due to gravity.
Preferably, the stirring member is detachably connected to the sleeve. The detachable manner is many, such as through a common bolt connection, and also through a sliding groove or a snap fastening connection.
Preferably, the casing pipe can be disassembled into a plurality of branch casing pipes, the sampling pipe can be disassembled into a plurality of branch sampling pipes, each branch casing pipe comprises 1 first sampling hole and a plurality of stirring pieces, and the conical head is positioned at the tail part of any 1 branch casing pipe; each of the branch sampling tubes includes 1 of the second sampling holes. Make detachable form with sleeve pipe and sampling tube, can adapt to the sealed tank that matches not equidimension degree of depth, the connected mode between a sleeve pipe, a branch sampling tube is threaded connection, also can select for use the buckle to connect.
Preferably, the sampling box and the sampling tube are detachably connected at the second sampling hole by a fastener. The sampling box can be detachably connected, and the purpose is to conveniently take out and store the materials directly.
More preferably, the edge of the second sampling hole is provided with a plurality of concave steps, the edge of the sampling box is provided with a plurality of protruding tongues corresponding to the steps and matched in shape, the protruding tongues are embedded into the steps one by one, the steps and the protruding tongues are both provided with screw holes, and the fastening piece is a bolt. As a detachable form of the sampling box, the mode has simple structure and convenient operation, and when the sleeve or the inner pipe rotates, the convex tongue and the step are just embedded and the surface is flat and smooth, so the rotation is not influenced.
Preferably, the limiting part is annular and is attached to the inner wall of the tail part of the sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the powder around the first sampling hole is stirred by the stirring piece and is enabled to fall into the sampling box in a loose manner, so that the situation that the powder is difficult to fall into the sampling box due to agglomeration caused by interaction force among powder particles is avoided, powder samples in the sampling box are obviously increased, and the requirement of sampling detection is met;
2. through setting sleeve pipe, sampling tube, stirring piece, sampling box isotructure to detachable form, greatly increased the applicable scene and the scope of device.
Drawings
FIG. 1 is a schematic view showing the construction of a sampling device for powder in a hermetic container according to example 1 (not all shown because the device is very long);
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the bushing of FIG. 2;
FIG. 4 is a schematic view of the internal structure of the sampling tube of FIG. 2;
FIG. 5 is a schematic structural view of the sampling apparatus for powder in a hermetic container according to example 2;
FIG. 6 is a left side view of FIG. 5;
FIG. 7 is a schematic structural diagram of a plurality of branch pipes of the sampling device for powder in a sealed tank in embodiment 2;
FIG. 8 is a schematic view of a plurality of sampling tubes of the sampling apparatus for powder in a hermetic container according to embodiment 2
FIG. 9 is a partial structural view of a second sampling hole and a sampling box of the sampling device for powder in a sealed tank in accordance with embodiment 2;
in the figure: 1. a sleeve; 2. a sampling tube; 3. a conical head; 4. a handle; 5. a first sampling hole; 6. a second sampling hole; 7. a sampling box; 8. a protrusion; 9. scale lines; 10. a limiting member; 11. a stirring plate; 12. supporting a sleeve; 13. a sampling pipe is branched; 14. a threaded sleeve; 15. a step; 16. a tongue; 17. and (4) bolts.
Detailed Description
The technical solutions of the embodiments in this patent will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments, not all embodiments, of this patent. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the patent without making creative efforts, shall fall within the protection scope of the patent.
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the patent and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the patent. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of this patent, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. It is to be noted that all the figures are exemplary representations. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
The patent is described in further detail below with reference to specific embodiments and with reference to the attached drawings.
Example 1
As shown in fig. 1-4, the sampling device for powder in a sealed tank provided by this embodiment includes a sleeve 1 and a sampling tube 2 located in the sleeve 1, a conical head 3 is provided at the tail of the sleeve 1, and handles 4 are respectively provided at the head of the sleeve 1 and the head of the sampling tube 2; the outer wall of the sampling tube 2 is attached to the inner wall of the sleeve 1; a plurality of first sampling holes 5 are formed in the sleeve 1 at equal intervals along the axial direction, a plurality of second sampling holes 6 which correspond to the first sampling holes 5 one by one are formed in the sampling tube 2 at equal intervals along the axial direction, and sampling boxes 7 are arranged in the second sampling holes 6; the sampling tube 2 rotates in the sleeve 1 along the circumferential direction to enable the first sampling hole 5 and the second sampling hole 6 to be overlapped or staggered; hemispherical bulges 8 (namely stirring pieces) are uniformly distributed on the outer wall of the sleeve 1, scale marks 9 are respectively arranged at one ends of the sleeve 1 and the sampling tube 2 close to the handle 4, and the scale marks 9 are opposite to the first sampling hole 5 and the second sampling hole 6 along the axial direction; the inner wall of the tail part of the sleeve 1 is provided with a circular ring-shaped limiting part 10, and the tail part of the sampling tube 2 abuts against the limiting part 10.
The use method of the sampling device comprises the following steps: when powder at different depth positions in the sealed tank needs to be sampled, the sampling tube is inserted into the sleeve, and the tail of the sampling tube abuts against the limiting piece on the inner wall of the tail of the sleeve; rotating the sampling tube to make the scales on the sampling tube not aligned with the scales on the sleeve (generally in the completely opposite direction), and at the moment, the first sampling hole and the second sampling hole are just in a completely staggered state; inserting one end of a conical head of a sleeve into the powder to reach the expected depth of the powder to be collected, wherein the first sampling hole corresponds to the powder with the corresponding depth, and the first sampling hole and the second sampling hole are completely staggered, so that no powder falls into the sleeve due to the fact that a sampling box is sealed in the process of continuously inserting the powder; then the sampling tube or the sleeve is rotated to align the scales on the sampling tube and the sleeve, at the moment, the first sampling hole and the second sampling hole are just in a completely aligned state, at the moment, most of powder is still in a hardened state due to fine granularity, and only a small amount of powder enters the first sampling hole and the second sampling hole and falls into the sampling box; the sleeve and the sampling tube synchronously rotate together, and the stirring piece on the outer wall of the sleeve stirs nearby powder to disperse the nearby powder, and the dispersed powder falls into the stirring box under the combined action of gravity and the stirring plate; the sleeve and the sampling tube synchronously rotate for a period of time, and after an operator determines through self experience that enough powder samples are collected, the sampling tube or the sleeve is independently rotated to enable the scales of the sampling tube and the sleeve to be completely staggered, namely the first sampling hole and the second sampling hole are completely staggered again, and at the moment, the sampling box is sealed in the sampling tube; finally, the sleeve and the sampling tube are drawn out together again, and the powder materials with different depths in the sampling box are respectively and independently taken out.
In the sampling device, a plurality of first sampling holes on the sleeve are arranged in a row along the axial direction, and a plurality of second sampling holes on the sampling tube are also arranged in a row along the axial direction. Sealing and opening of the sampling box is realized by utilizing the relative rotation of the sleeve and the sampling tube, so as to collect different depths; through utilizing the stirring piece to stir the powder around the first thief hole, make it loose fall into the sample box to avoid producing the caking because of the interaction force between the powder granule and be difficult to fall like in the sample box, the powder sample in the sample box obviously increases, reaches the requirement of sample test. The shape of the stirring member is not limited, and the stirring member can be used in the patent as long as the stirring member can stir and break up the powder around the first sampling hole.
Example 2
As shown in fig. 5 to 9, the present embodiment provides a sampling device for powder in a sealed can, which is different from embodiment 1 in that: the stirring piece is a stirring plate 11, and the stirring plate 11 is parallel to the axial direction of the sleeve 1; the number of the stirring plates 11 is 1, and each group of the stirring plates 11 is uniformly arranged along the radial direction of the sleeve 1; each group of the stirring plates 11 corresponds to 1 first sampling hole 5, and each group of the stirring plates 11 is arranged at one end of the corresponding first sampling hole 5 close to the head part of the sleeve 1; the sleeve 1 can be disassembled into a plurality of branch sleeves 12, the sampling tube 2 can be disassembled into a plurality of branch sampling tubes 13, the adjacent branch sleeves 12 are butted through threaded sleeves 14, and the adjacent branch sampling tubes 13 are butted through threaded sleeves 14; each support sleeve 12 comprises 1 first sampling hole 5 and a plurality of stirring plates 11, and the tail part of any 1 support sleeve 12 is provided with the conical head 3; every it includes 1 to prop up sampling tube 13 second thief hole 6, the border of second thief hole 6 is equipped with the step 15 of a plurality of indents, the border of sampling box 7 be equipped with a plurality of with step 15 correspond and the tongue 16 that the shape matches, tongue 16 imbeds one by one in the step 15, step 15 and tongue 16 all are equipped with the screw, the fastener is bolt 17.
The sampling device provided by the embodiment can also achieve the purpose of scattering powder by the stirring plate. When the sleeve is inserted into the powder, each group of stirring plates is positioned above the corresponding first sampling hole, and then when the stirring plates rotate and stir, the scattered materials can fall down and fall into the sampling box due to gravity. Make detachable form with sleeve pipe and sampling tube, can adapt to the sealed tank of the not equidimension degree of depth of matching, the connected mode between a sleeve pipe, a branch sampling tube is threaded connection. And fixing the sampling box at the second sampling hole by using a bolt.
The above embodiments describe the implementation of the present invention in detail, however, the present invention is not limited to the specific details of the above embodiments. Within the scope of the claims and the technical idea of the present invention, various simple modifications and changes can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
Claims (9)
1. A sampling device for powder in a sealed tank is characterized by comprising a sleeve and a sampling tube positioned in the sleeve, wherein the tail part of the sleeve is provided with a conical head, and the head parts of the sleeve and the sampling tube are respectively provided with a handle; the outer wall of the sampling tube is attached to the inner wall of the sleeve; a plurality of first sampling holes are formed in the sleeve at equal intervals along the axial direction, a plurality of second sampling holes which correspond to the first sampling holes one by one are formed in the sampling tube at equal intervals along the axial direction, and sampling boxes are arranged in the second sampling holes; the sampling tube rotates in the sleeve along the circumferential direction to enable the first sampling hole and the second sampling hole to be overlapped or staggered; the outer wall of the sleeve is provided with a plurality of stirring pieces, and the sleeve and the sampling tube are respectively provided with scale marks at one end close to the handle, wherein the scale marks are opposite to the first sampling hole and the second sampling hole along the axial direction; the inner wall of the tail part of the sleeve is provided with a limiting part, and the tail part of the sampling tube abuts against the limiting part.
2. The sampling device for powders inside a sealed can of claim 1, wherein the stirring member is a hemispherical protrusion evenly distributed on the outer wall of the sleeve.
3. The sampling device for powder in a sealed tank according to claim 1, wherein the stirring member is a stirring plate, and the stirring plate is parallel to the axial direction of the sleeve; a plurality of stirring board is 1 group, and every group stirring board is followed the radial even setting of sheathed tube.
4. The sampling device for powder in a sealed tank according to claim 3, wherein each group of said stirring plates corresponds to 1 of said first sampling holes, and each group of said stirring plates is disposed at one end of the corresponding first sampling hole near the head of said sleeve.
5. The sampling device for powders inside sealed cans according to any of claims 1 to 4, wherein the stirring member is detachably connected to the sleeve.
6. The sampling device for powder in a sealed tank according to any one of claims 1 to 4, wherein the casing pipe is detachable into a plurality of casing pipes, and the sampling pipe is detachable into a plurality of sampling pipes; each branch sleeve pipe comprises 1 first sampling hole and a plurality of stirring pieces, and the conical head is positioned at the tail part of any 1 branch sleeve pipe; each of the branch sampling tubes includes 1 of the second sampling holes.
7. The sampling device for powder in a sealed can of claim 1, wherein the sampling box is removably attached to the sampling tube at the second sampling hole by a fastener.
8. The sampling device for powder in a sealed tank according to claim 7, wherein the edge of the second sampling hole is provided with a plurality of concave steps, the edge of the sampling box is provided with a plurality of protruding tongues which correspond to the steps and are matched in shape, the protruding tongues are embedded into the steps one by one, the steps and the protruding tongues are provided with screw holes, and the fastening piece is a bolt.
9. The sampling device for powders inside hermetic containers according to claim 1, characterized in that said stop element is annular and is applied to the inner wall of the tail of said sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021082329.4U CN212646162U (en) | 2020-06-12 | 2020-06-12 | Sampling device for powder in sealed tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021082329.4U CN212646162U (en) | 2020-06-12 | 2020-06-12 | Sampling device for powder in sealed tank |
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| CN212646162U true CN212646162U (en) | 2021-03-02 |
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| CN202021082329.4U Active CN212646162U (en) | 2020-06-12 | 2020-06-12 | Sampling device for powder in sealed tank |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889969A (en) * | 2022-05-08 | 2022-08-12 | 长沙市望城区拙器陶艺有限公司 | Anti-deterioration memory for manufacturing colored glaze |
| CN116165015A (en) * | 2022-02-16 | 2023-05-26 | 佳木斯大学 | Powder sampling equipment containing collecting connecting column and used in concrete production |
| CN117451419A (en) * | 2023-12-25 | 2024-01-26 | 德州市红拳医疗器械有限公司 | Medicine quality inspection sampling device |
-
2020
- 2020-06-12 CN CN202021082329.4U patent/CN212646162U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116165015A (en) * | 2022-02-16 | 2023-05-26 | 佳木斯大学 | Powder sampling equipment containing collecting connecting column and used in concrete production |
| CN116165015B (en) * | 2022-02-16 | 2023-09-22 | 佳木斯大学 | Powder sampling equipment containing collecting connecting column and used in concrete production |
| CN114889969A (en) * | 2022-05-08 | 2022-08-12 | 长沙市望城区拙器陶艺有限公司 | Anti-deterioration memory for manufacturing colored glaze |
| CN114889969B (en) * | 2022-05-08 | 2023-05-05 | 长沙市望城区拙器陶艺有限公司 | Anti-deterioration memory for manufacturing colored glaze |
| CN117451419A (en) * | 2023-12-25 | 2024-01-26 | 德州市红拳医疗器械有限公司 | Medicine quality inspection sampling device |
| CN117451419B (en) * | 2023-12-25 | 2024-03-08 | 德州市红拳医疗器械有限公司 | Medicine quality inspection sampling device |
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