CN215004432U

CN215004432U - Powder sampler

Info

Publication number: CN215004432U
Application number: CN202120881787.2U
Authority: CN
Inventors: 王敏; 白航; 张凯峰; 孟刚; 刘天云; 李逸飞; 童小根; 张林啸; 董晨光
Original assignee: China West Construction North Co Ltd
Current assignee: China West Construction North Co Ltd; China West Construction Tianjin Co Ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-12-03
Anticipated expiration: 2031-04-27

Abstract

The application relates to a powder sampler relates to powder sampling device field. It includes the outer tube and sets up at the inboard first interior pole of outer tube, first interior pole and outer tube sliding connection, two at least outer sampling holes have been seted up to the outer tube lateral wall, at least two interior sampling holes have been seted up to first interior pole lateral wall, arbitrary when outer sampling hole is relative with interior sampling hole, all the other interior sampling hole all is by the shutoff of outer tube pipe wall. The method has the advantages of reducing the possibility of mixing the extracted powder samples and improving the precision of the detection result of the powder samples.

Description

Powder sampler

Technical Field

The application relates to the field of powder sampling devices, in particular to a powder sampler.

Background

The existing powder needs to be detected when being conveyed to a mixing station, and the detection result of the powder can directly influence the quality of concrete when the powder is used as raw materials of powder such as cement, fly ash and mineral powder.

In the related art, the chinese utility model patent with the publication number CN206095686U discloses a uniform sampling device for powder, which comprises an outer tube and an inner sampling rod inside the outer tube, wherein the outer tube and the inner sampling rod are in clearance fit; open on the outer tube pipe wall and have a plurality of outer tube thief holes that link up the pipe wall thickness, open the interior pole thief hole that has corresponding with the quantity and the position of outer tube thief hole on the pole body of rod in the sample, when adjusting outer tube and the interior pole relative movement of sample and having interior pole thief hole center and rather than a corresponding outer tube thief hole center and be located same straight line, the center of other arbitrary interior pole thief holes on the pole in the sample and rather than the center of a corresponding outer tube thief hole also be located same straight line.

Aiming at the related technologies, when the inventor thinks that the powder is sampled and detected, any outer rod sampling hole corresponds to the inner rod sampling hole, the powder sample is easy to mix when leaving the inner rod sampling hole, and the precision of the detection result of the powder sample is low.

SUMMERY OF THE UTILITY MODEL

In order to improve the precision of powder sample testing result, this application provides a powder sampler.

The application provides a powder sampler adopts following technical scheme:

the utility model provides a powder sampler, includes the outer tube and sets up the first interior pole in the outer tube inboard, first interior pole and outer tube sliding connection, two at least outer sampling holes have been seted up to the outer tube lateral wall, at least two interior sampling holes have been seted up to the pole lateral wall in the first, arbitrary when outer sampling hole is relative with interior sampling hole, all the other interior sampling hole is all by the shutoff of outer tube pipe wall.

By adopting the technical scheme, the outer tube is inserted into the powder pile, powder enters the inner sampling hole through the outer sampling hole by adjusting the position between the outer tube and the first inner rod, the position between the outer tube and the first inner rod is continuously adjusted, the inner sampling hole is blocked, the other inner sampling hole is opened, the powder of the next layer enters the inner rod, and the powder collection is finished; the outer tube is pulled out, when powder is extracted, only one powder stored in different inner sampling holes can be opened simultaneously, the possibility of mixing when the powder sample is taken out is reduced, the purity of the powder sample is improved, and the precision of a powder sample detection result is improved.

Optionally, the distance between adjacent outer sampling holes is smaller than the distance between adjacent inner sampling holes.

Through adopting above-mentioned technical scheme, follow the first interior pole of length direction pulling of outer tube, the opening of sampling hole in the convenience is emptyd the powder of storage in the convenient sampling hole in with, improves the convenience that the powder sample took out.

Optionally, still include the pole in the second, the pole rotates with the outer tube to be connected in the second, the pole outside is provided with additional thief hole in the second, additional thief hole is through outer thief hole and external intercommunication, the pole sets up in the pole bottom in the first in the second, set up between pole and the second in the first pole and be used for the pole pivoted linkage subassembly in the pole drive second in the first.

Through adopting above-mentioned technical scheme, when the powder sample that interior sample connection was seted up was offered when first interior pole was full of interior sample connection, set up pole in the second, pole sets up additional sample connection in the second, improves the volume of powder sample, conveniently draws the powder sample.

Optionally, the linkage assembly comprises a movable plate and a movable block, the movable plate is fixedly connected with the first inner rod, the movable block is fixedly connected with the top of the second inner rod, a sliding groove is formed in the movable block, the movable plate is slidably connected with the side wall of the sliding groove, a plurality of driving strips are arranged on the surface of the movable plate and fixedly connected with the movable plate, a plurality of driven strips matched with the driving strips are arranged in the movable block, and when the top of the movable plate is attached to the top of the sliding groove, the driving strips are meshed with the driven strips.

Through adopting above-mentioned technical scheme, the tester stimulates interior pole first, and the movable plate slides along the movable block, and drive strip and driven strip laminating rotate interior pole first, and the drive strip drives driven strip and rotates, conveniently opens additional thief hole, and the convenience that the powder was got to the convenient additional thief hole is taken a sample to the powder, improves the convenience that the powder sample got the material.

Optionally, the driving strips are arranged symmetrically and at intervals around the axis center of the movable plate, one side of each driving strip facing the driven strip is an inclined surface, and the lower side of each driving strip is parallel to the radial line of the movable plate.

Through adopting above-mentioned technical scheme, the slope of drive strip sets up and makes things convenient for drive strip and driven strip to mesh, improves the convenience that the pole carries out the slip in the first pole drive second, and convenient additional sample connection draws the powder sample.

Optionally, a fixed rod is arranged between the movable plate and the first inner rod, the fixed rod is fixedly connected with the movable plate and the first inner rod, a spring is arranged on the fixed rod, the spring and the fixed rod are coaxial, and when the driving strip is meshed with the driven strip, the spring is in a compressed state.

Through adopting above-mentioned technical scheme, through setting up the spring, reduce first interior pole and drive the interior pole of second and take place pivoted possibility, improve the sealed effect of additional thief hole, reduce the sample in the additional thief hole and be mixed the possibility that leads to the pollution.

Optionally, be provided with the lug between pole and the outer tube in the second, pole fixed connection in lug and the second, the outer tube is provided with the spacing groove towards pole in the second, lug and spacing inslot wall sliding connection work as the lug sets up when the one end of spacing groove, additional thief hole and outer thief hole intercommunication work as when the lug is located the other end of spacing groove, additional thief hole is by the shutoff of outer tube pipe wall.

Through adopting above-mentioned technical scheme, through setting up the lug, the position to additional thief hole is conveniently confirmed, and the additional thief hole is not totally closed when reducing to take out after the sample is accomplished and leads to the mixed possibility of powder sample, improves the precision of powder sample.

Optionally, one end of the outer tube is set to be conical, the other end of the outer tube is fixedly connected with a handle, a rotating handle is arranged on one side, close to the handle, of the first inner rod, and the rotating handle is fixedly connected with the first inner rod.

Through adopting above-mentioned technical scheme, set up the convenient pulling outer tube of handle, set up the convenient first interior pole of pulling of turning handle, improve the convenience of powder sample, conveniently take a sample to the powder sample.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the outer pipe and the first inner rod are arranged, when any one inner sampling hole is aligned with the outer sampling hole, other inner sampling holes are blocked by the outer pipe, the possibility of mixing when the inner sampling hole takes out a powder sample is reduced, the powder sample in a single inner sampling hole can be conveniently extracted, and the precision of the detection result of the powder sample is improved;

2. the second inner rod is arranged, so that the amount of the extracted powder sample is increased, the extracted powder sample is conveniently increased, the randomness of powder extraction is improved, and the accuracy of a powder sample detection result is improved;

3. through setting up the linkage subassembly, make things convenient for interior pole of first pole drive second to rotate, improve the convenience that the additional thief hole was used, improve the randomness that the powder drawed.

Drawings

FIG. 1 is a schematic diagram of a powder sampler according to an embodiment of the present application.

Fig. 2 is a perspective cross-sectional view of a powder sampler according to an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. an outer tube; 11. an external sampling hole; 12. a limiting groove; 2. a first inner bar; 21. an inner sampling hole; 3. a second inner bar; 31. adding a sampling hole; 4. a linkage assembly; 41. a movable plate; 42. a moving block; 421. a chute; 43. a drive bar; 44. a driven bar; 45. fixing the rod; 46. a spring; 5. a bump; 6. a handle; 7. and (7) rotating a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a powder sampler. Referring to fig. 1 and 2, the powder sampler includes outer tube 1 and the first interior pole 2 of setting in outer tube 1 inboard, outer tube 1 is cylindrical tubulose, three outer sampling hole 11 has been seted up to outer tube 1 lateral wall, outer sampling hole 11 cuboid form, first interior pole 2 is cylindrical, outer tube 1 is stretched into to first interior pole 2, first interior pole 2 and outer tube 1 sliding connection, two interior sampling holes 21 have been seted up to first interior pole 2 lateral wall, sampling hole 21 is the cuboid form in two, when arbitrary outer sampling hole 11 is opposite to interior sampling hole 21, all the other interior sampling holes 21 are all blocked by outer tube 1 pipe wall, the interval between two interior sampling holes 21 is not equal to the interval between two adjacent outer sampling holes 11, in this embodiment, the interval between two interior sampling holes 21 is greater than the interval between two adjacent outer sampling holes 11. The outer pipe 1 is inserted into the powder pile, the first inner rod 2 is rotated, powder enters the inner sampling hole 21 through the outer sampling hole 11, the first inner rod 2 is pulled, the inner sampling hole 21 is blocked, the other inner sampling hole 21 is opened, the powder of the next layer enters the inner rod, and the powder collection is finished; when the outer tube 1 is taken out from the powder pile to extract a powder sample, only one of the different inner sampling holes 21 can be opened simultaneously, and the powder sample leaves the inner tube through the opened inner sampling hole 21. The application can reduce the possibility of mixing when taking out the powder sample, improve the purity of the powder sample and improve the precision of the detection result of the powder sample.

Referring to fig. 1 and 2, in order to facilitate sampling of powder by the first inner rod 2 and the outer tube 1, one end of the outer tube 1 is set to be conical, the other end of the outer tube 1 is welded with a handle 6, the handle 6 is cuboid, the handle 6 is perpendicular to the outer tube 1, a rotating handle 7 is arranged on one side of the first inner rod 2 close to the handle 6, the rotating handle 7 is cuboid, the rotating handle 7 is perpendicular to the second inner rod 3, and the rotating handle 7 is welded with the first inner rod 2. Through 6 pulling outer tubes 1 of handle, through the first interior pole 2 of turning handle 7 pulling, 1 bottoms of outer tube set up to the toper, conveniently stretch into outer tube 1 and take a sample in the powder. This application can improve operating personnel and take a sample to the powder sample.

As shown in fig. 2 and 3, in order to improve the extraction amount of the powder sample, a second inner rod 3 is arranged in an outer tube 1, the second inner rod 3 is positioned at the bottom of a first inner rod 2, the second inner rod 3 is rotatably connected with the outer tube 1, an additional sampling hole 31 is arranged at the outer side of the second inner rod 3, the additional sampling hole 31 is in a cuboid shape, the additional sampling hole 31 is communicated with the outside through an outer sampling hole 11 at the bottom end, a linkage assembly 4 is arranged between the first inner rod 2 and the second inner rod 3, the linkage assembly 4 comprises a movable plate 41 and a movable block 42, the movable plate 41 and the movable block 42 are both in a cylindrical shape, a fixed rod 45 is arranged between the movable plate 41 and the first inner rod 2, the movable plate 41 and the fixed rod 45 are all in a body forming shape, the movable block 42 is welded and fixed with the top of the second inner rod 3, a chute 421 is arranged at the top of the movable block 42, the chute 421 is in a cylindrical shape, and both the movable plate 41 and the fixed rod 45 extend into the chute 421, the movable plate 41 is connected with the side wall of the chute 421 in a sliding way; the fixed rod 45 is provided with a spring 46, the spring 46 is coaxial with the fixed rod 45, one end of the spring 46 is abutted against the movable plate 41, the other end of the spring 46 is abutted against the top of the chute 421, and when the movable plate 41 is abutted against the top of the movable block 42, the spring 46 is in a compressed state; when the spring 46 is in a free state, the movable plate 41 is positioned at the bottom of the chute 421; the surface of the movable plate 41 is provided with six driving strips 43, the six driving strips 43 are all rectangular, the six driving strips 43 are arranged around the axis center of the movable plate 41 in a symmetrical mode, the six driving strips 43 are all integrally formed with the movable plate 41, the top wall of the sliding groove 421 is integrally formed with six driven strips 44, the driving strips 43 correspond to the driven strips 44 in a one-to-one mode, the driving strips 43 are arranged towards one side of the driven strips 44 in an inclined mode, and when the movable plate 41 moves towards the top of the sliding groove 421, the driving strips 43 are meshed with the driven strips 44. The tester pulls the first inner rod 2, the movable plate 41 slides along the movable block 42, the driving strip 43 is attached to the driven strip 44, the spring 46 is compressed, the first inner rod 2 is rotated, the driving strip 43 drives the driven strip 44 to rotate, the driven strip 44 drives the second inner rod 3 to rotate, the additional sampling hole 31 is aligned with the outer sampling hole 11, and powder enters the second inner rod 3 along the additional sampling hole 31. This application is convenient to attach sampling hole 31 and is taken a sample to the powder, improves the convenience that the powder sample got the material.

Referring to fig. 3, in order to confirm the open-close state of the additional sampling hole 31 conveniently, a bump 5 is arranged between the second inner rod 3 and the outer tube 1, the bump 5 is rectangular, the bump 5 is perpendicular to the second inner rod 3, the bump 5 and the second inner rod 3 are integrally formed, a limiting groove 12 is arranged on one side of the outer tube 1 facing the second inner rod 3, the limiting groove 12 is arc-shaped, the limiting groove 12 is arranged along the circumferential direction of the outer tube 1, the bump 5 extends into the limiting groove 12, the bump 5 is connected with the inner wall of the limiting groove 12 in a sliding manner, and when the bump 5 is arranged at one end of the limiting groove 12, the additional sampling hole 31 is communicated with the outer sampling hole 11; when the projection 5 is located at the other end of the limiting groove 12, the additional sampling hole 31 is blocked by the tube wall of the outer tube 1. The lug 5 and the limiting groove 12 are arranged to facilitate the confirmation of the position of the additional sampling hole 31, the possibility that the powder sample is mixed due to the fact that the additional sampling hole 31 is not completely closed when the powder sample is taken out after the sampling is finished is reduced, and the sampling precision of the powder sample is improved.

The implementation principle of this application embodiment powder sampler does: the tester pushes the handle 6 and the rotating handle 7, the outer pipe 1 extends into the powder, the rotating handle 7 and the handle 6 are rotated, the outer sampling hole 11 is communicated with the inner sampling hole 21, the powder sample enters the inner sampling hole 21, the rotating handle 7 is pulled, the first inner rod 2 slides, the inner sampling hole 21 is sealed, the other inner sampling hole 21 is opened, the powder enters the second inner sampling hole 21, and the powder sample is collected; the turning handle 7 is rotated, the first inner rod 2 drives the second inner rod 3 to rotate, the additional sampling hole 31 is communicated with the outer sampling hole 11, a powder sample at the bottom enters the additional sampling hole 31, the first inner rod 2 is rotated, the first inner rod 2 drives the second inner rod 3 to rotate, the additional sampling hole 31 is blocked, the tester pulls out the handle 6, the outer tube 1 is separated from the powder, and the powder sample is sampled. The method and the device can reduce the possibility of mixing the extracted powder sample and improve the precision of the detection result of the powder sample.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a powder sampler, includes outer tube (1) and sets up at the inboard first interior pole (2) of outer tube (1), first interior pole (2) and outer tube (1) sliding connection, its characterized in that: at least two outer sampling holes (11) are formed in the side wall of the outer tube (1), at least two inner sampling holes (21) are formed in the side wall of the first inner rod (2), and any outer sampling hole (11) is opposite to the inner sampling hole (21), and the inner sampling holes (21) are all blocked by the tube wall of the outer tube (1).

2. A powder sampler according to claim 1, wherein: the distance between the adjacent outer sampling holes (11) is smaller than the distance between the adjacent inner sampling holes (21).

3. A powder sampler according to claim 2, wherein: still including pole (3) in the second, pole (3) are rotated with outer tube (1) and are connected in the second, the pole (3) outside is provided with additional thief hole (31) in the second, additional thief hole (31) are through outer thief hole (11) and external intercommunication, pole (3) set up in pole (2) bottom in the first in the second, it is used for pole (3) pivoted linkage subassembly (4) in the second to set up between pole (3) in pole (2) in the first and the second in the first pole (2).

4. A powder sampler according to claim 3, wherein: linkage subassembly (4) include movable plate (41) and movable block (42), movable plate (41) and first interior pole (2) fixed connection, the top fixed connection of movable block (42) and second interior pole (3), spout (421) have been seted up to movable block (42), movable plate (41) and spout (421) lateral wall sliding connection, movable plate (41) surface is provided with a plurality of drive strip (43), and is a plurality of drive strip (43) and movable plate (41) fixed connection, be provided with a plurality of driven strip (44) with drive strip (43) complex in movable block (42), work as when movable plate (41) top and spout (421) top laminating, drive strip (43) and driven strip (44) mesh.

5. A powder sampler according to claim 4 wherein: the driving strips (43) are arranged around the axis center of the movable plate (41) symmetrically at intervals, one side of each driving strip (43) facing the driven strip (44) is an inclined surface, and the lower side of each driving strip (43) is parallel to the radial line of the movable plate (41).

6. A powder sampler according to claim 4 wherein: be provided with dead lever (45) between movable plate (41) and first interior pole (2), dead lever (45) and movable plate (41), first interior pole (2) fixed connection, be provided with spring (46) on dead lever (45), spring (46) and dead lever (45) are coaxial, and when drive strip (43) and driven strip (44) meshing, spring (46) are in compression state.

7. A powder sampler according to claim 3, wherein: be provided with lug (5) between pole (3) and outer tube (1) in the second, pole (3) fixed connection in lug (5) and the second, outer tube (1) is provided with spacing groove (12) towards pole (3) in the second, lug (5) and spacing groove (12) inner wall sliding connection work as lug (5) set up when the one end of spacing groove (12), additional thief hole (31) and outer thief hole (11) intercommunication work as lug (5) are located when the other end of spacing groove (12), additional thief hole (31) are by outer tube (1) pipe wall shutoff.

8. A powder sampler according to claim 1, wherein: the improved multifunctional umbrella is characterized in that one end of the outer tube (1) is conical, the other end of the outer tube (1) is fixedly connected with a handle (6), a rotating handle (7) is arranged on one side, close to the handle (6), of the first inner rod (2), and the rotating handle (7) is fixedly connected with the first inner rod (2).