CN219434383U

CN219434383U - Sampling device

Info

Publication number: CN219434383U
Application number: CN202222752041.9U
Authority: CN
Inventors: 蒋衡; 殷志成; 宋超慧
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-07-28
Anticipated expiration: 2032-10-19

Abstract

The utility model discloses a sampling device, which comprises a storage shell for storing a solid isotope sample, wherein the top of the storage shell is communicated with a bottleneck; the sampling assembly is used for taking materials and is arranged in the bottleneck, a limiting sleeve is arranged on the sampling assembly, and the limiting sleeve is sleeved at the top end of the bottleneck; the storage piece is used for weighing and is arranged on the surface of the limit sleeve; the limiting piece is used for limiting and is arranged between the bottleneck and the limiting sleeve; through pull ring horizontal pulling wedge, finally make the wedge break away from the inner chamber of constant head tank, can accomplish the unblock operation to the stop collar, and then can take out stop collar and sampling subassembly from the inner chamber of bottleneck, on the contrary, utilize the locating part to directly insert the inner chamber of bottleneck with the sampling subassembly, can accomplish the location operation to the stop collar, whole easy operation, it is convenient to use, adopt disjunctor formula structure with mounting and stop collar, in the use, can effectively prevent to appear the phenomenon that spare part was lost, it is fixed to conveniently carry out the stop collar again.

Description

Sampling device

Technical Field

The utility model belongs to the technical field of sampling devices, and particularly relates to a sampling device.

Background

Elemental analysis is a qualitative analysis for identifying which elements (or ions) comprise the substance under test; quantitative analysis for determining the relationship of the amounts of the components (chemical components). The result of the measurement by the instrumentation used in elemental isotope analysis is the relative value (in thousandths), which requires calibration and proof reading of the test data with standard reference substances.

The Chinese patent with the publication number of CN210638944U discloses a sampling device for measuring isotope standard substances, and materials in a storage shell can be fed into a storage barrel through a blanking pipe by arranging a circular barrel, a hand wheel, a rotating shaft and a spiral blade, so that the materials can be conveniently taken from the storage shell, and the sampling device is convenient for workers to use; the weighing sensor, the operation display screen, the controller and the alarm are arranged, so that the weight of the materials in the storage barrel can be weighed in and out, the materials can be accurately taken out, the working efficiency is improved, and the workload of subsequent weighing is reduced; through being provided with threaded rod and rubber pad, can embolia the bottleneck at the spacing ring, through rotating the threaded rod for the spacing ring is fixed on the bottleneck, does not need to rotate the hand wheel again and fixes sampling device, has improved the stability of sampling work, and the people of being convenient for use.

According to the sampling device for measuring the isotope standard substance, the limit ring can be fixed on the bottle mouth through rotating the threaded rod, but the threaded rod and the limit ring are of a split type structure, in the use process, the threaded rod is easy to separate from the limit ring to cause the phenomenon that the threaded rod is lost, and because the threaded rod is small in size, workers are laborious when rotating the threaded rod, so that the sampling device is provided.

Disclosure of Invention

The purpose of the utility model is that: the sampling device is provided, and the positioning operation of the bottleneck and the limiting sleeve can be facilitated through the matching use of the limiting piece and the fixing piece.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sampling device, comprising:

a storage shell for storing the solid isotope sample, the top of which is communicated with a bottleneck;

the sampling assembly is used for taking materials and is arranged in the bottleneck, a limiting sleeve is arranged on the sampling assembly, and the limiting sleeve is sleeved at the top end of the bottleneck;

the storage piece is used for weighing and is arranged on the surface of the limit sleeve;

the limiting piece is used for limiting and is arranged between the bottleneck and the limiting sleeve;

the fixing piece for locking comprises a through hole which is formed in the limiting sleeve, a wedge block is movably arranged in an inner cavity of the through hole in a penetrating mode, and a positioning groove which is matched with the wedge block is formed in the surface of the bottleneck.

As the preferable technical scheme, the sampling assembly is including inserting the sampling tube of locating bottleneck inner chamber, the bottom of sampling tube extends to the inner chamber of holding shell, the upper portion intercommunication on sampling tube surface has the passage, the surface of sampling tube and stop collar's internal face fixed connection.

As the preferable technical scheme, the storage piece comprises a bracket fixedly connected to the surface of the limiting sleeve, and a charging barrel capable of receiving the sample falling from the material guiding pipe is arranged on the bracket.

As the preferable technical scheme, the limiting piece comprises a lug integrally formed at the bottom of the limiting sleeve, and the surface of the bottleneck is provided with a groove for the lug to slide.

As the preferable technical scheme, the through hole has been seted up to the surface of wedge, the inner chamber sliding connection of through-hole has the dog, the top and the bottom of dog all are connected with the internal face fixed of through-hole.

As the preferable technical scheme, one side of the stop block is fixedly connected with a spring, and the other end of the spring is fixedly connected with the inner wall surface of the through hole.

As the preferable technical scheme, the surface of the stop block is penetrated and provided with a guide rod, the spring is sleeved on the surface of the guide rod, and both ends of the guide rod are fixedly connected with the inner wall surface of the through hole.

As the preferable technical scheme, one end of the wedge block, which is far away from the positioning groove, is movably provided with a pull ring in a penetrating way.

The utility model has at least the following beneficial effects:

according to the utility model, the wedge-shaped block is pulled horizontally through the pull ring, so that the wedge-shaped block is separated from the inner cavity of the positioning groove, the unlocking operation of the limiting sleeve can be finished, the limiting sleeve and the sampling assembly can be taken out from the inner cavity of the bottleneck, on the contrary, the sampling assembly is directly inserted into the inner cavity of the bottleneck by utilizing the limiting piece, the positioning operation of the limiting sleeve can be finished, the whole operation is simple, the use is convenient, the fixing piece and the limiting sleeve are in an integrated structure, the phenomenon of losing parts can be effectively prevented, the limiting sleeve is conveniently fixed, and the time and labor saving advantages are realized.

Drawings

FIG. 1 is a schematic diagram of a front view of a sampling device according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;

FIG. 3 is a schematic cross-sectional view illustrating a connection structure between a bottleneck and a stop collar in an embodiment of the sampling device according to the present utility model;

FIG. 4 is an exploded view of a partial connecting structure of a fixing member in an embodiment of the sampling device according to the present utility model;

in the figure: 1. a storage case; 2. a bottleneck; 3. a sampling assembly; 301. a sampling tube; 302. a material guiding pipe; 4. a limit sleeve; 5. a storage member; 501. a bracket; 502. a charging barrel; 6. a limiting piece; 601. a bump; 602. a groove; 7. a fixing member; 701. a through hole; 702. wedge blocks; 703. a positioning groove; 704. a through hole; 705. a stop block; 706. a spring; 707. a guide rod; 708. and (5) a pull ring.

Detailed Description

In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-4, an embodiment of the utility model provides a sampling device, comprising: a storage shell 1 for storing a solid isotope sample, a sampling assembly 3 for taking materials, a storage piece 5 for weighing, a limiting piece 6 for limiting and a fixing piece 7 for locking;

the top of the storage shell 1 is communicated with a bottle neck 2, a bottle stopper is arranged in an inner cavity of the bottle neck 2 when sampling is not performed, a sampling assembly 3 is arranged in the bottle neck 2, a limiting sleeve 4 is arranged on the sampling assembly 3, the limiting sleeve 4 is sleeved at the top end of the bottle neck 2, a storage piece 5 is arranged on the surface of the limiting sleeve 4, and a limiting piece 6 is arranged between the bottle neck 2 and the limiting sleeve 4; the fixing piece 7 comprises a through hole 701 formed in the limiting sleeve 4, a wedge-shaped block 702 is movably penetrated through the inner cavity of the through hole 701 horizontally, the inclined surface of the wedge-shaped block 702 faces downwards, and a positioning groove 703 matched with the wedge-shaped block 702 is formed in the surface of the bottle neck 2.

Wherein, sampling assembly 3 is including inserting the sampling tube 301 of locating bottleneck 2 inner chamber, and the bottom of sampling tube 301 extends to the inner chamber of storing shell 1, and the upper portion slope intercommunication of sampling tube 301 surface has the passage 302, and the surface of sampling tube 301 and the internal face fixed connection of stop collar 4. The sampling assembly 3 is utilized to facilitate the removal of a sample from the interior of the storage housing 1.

The storage part 5 comprises a bracket 501 fixedly connected to the surface of the limit sleeve 4, and a material cylinder 502 capable of receiving the sample falling from the material guiding pipe 302 is arranged on the bracket 501.

It should be noted that the above-mentioned sampling assembly 3 and storage member 5 are identical to the prior art in terms of operation principle, and therefore, detailed description thereof will not be provided in this technical scheme.

The limiting piece 6 comprises a protruding block 601 integrally formed at the bottom of the limiting sleeve 4, and a groove 602 for the protruding block 601 to slide is formed in the surface of the bottle neck 2. Utilize locating part 6 can play spacing effect to stop collar 4, make things convenient for follow-up wedge 702 and constant head tank 703's quick hole operation.

Wherein, through hole 704 is seted up on wedge 702's surface, and the inner chamber sliding connection of through hole 704 has dog 705, and the top and the bottom of dog 705 all are connected with the internal wall surface fixed of through hole 701. By using the through hole 704 and the stop block 705 in cooperation, the wedge block 702 can be guided, so that the wedge block 702 can stably and horizontally move, and the wedge block 702 can be prevented from slipping from the inner cavity of the through hole 701.

Wherein, a spring 706 is fixedly connected to one side of the stop block 705, and the other end of the spring 706 is fixedly connected with the inner wall surface of the through hole 704. Under the elastic action of the spring 706, the wedge 702 is always clamped in the inner cavity of the positioning groove 703 in the locking state, and the wedge 702 can be automatically reset.

Wherein, the surface level of dog 705 runs through and is equipped with guide arm 707, and spring 706 overlaps the surface of guide arm 707, and the both ends of guide arm 707 all are connected with the inner wall surface of through-hole 704 fixedly. The guide rod 707 is utilized to limit the spring 706, so that the reverse elastic force generated by the spring 706 during compression can be always in the same straight line with the direction of the pressure force, and the spring 706 is prevented from being skewed.

Wherein, one end of the wedge 702 away from the positioning groove 703 is movably provided with a pull ring 708. The pull tab 708 is used to assist the operator in pulling the wedge 702.

The working principle of the utility model is as follows:

the wedge 702 is horizontally pulled by the pull ring 708, the wedge 702 drives the through hole 704 and the guide rod 707 to synchronously move, the wedge 702 slides in the inner cavity of the through hole 701 and the surface of the stop block 705, the spring 706 is stressed and contracted until one side of the wedge 702 away from the pull ring 708 is separated from the inner cavity of the positioning groove 703, the unlocking operation of the limit sleeve 4 can be completed, the limit sleeve 4 and the sampling assembly 3 can be taken out of the inner cavity of the bottle neck 2, conversely, when the sampling assembly 3 is required to be inserted into the inner cavity of the bottle neck 2, the lug 601 on the limit sleeve 4 is only required to be aligned with the groove 602 and slide into the inner cavity of the groove 602, after the groove 602 moves downwards by a certain distance, the inclined surface of the wedge 702 is extruded by the bottle neck 2, the wedge 702 moves towards the direction of the pull ring 708, and finally the wedge 702 is clamped into the inner cavity of the positioning groove 703 by the elastic restoring force of the spring 706 until the lug 601 moves to the maximum limit.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. Sampling device, its characterized in that includes:

a storage shell (1) for storing the solid isotope sample, the top of which is communicated with a bottleneck (2);

the sampling assembly (3) is used for taking materials and is arranged in the bottle neck (2), a limiting sleeve (4) is arranged on the sampling assembly (3), and the limiting sleeve (4) is sleeved at the top end of the bottle neck (2);

the storage piece (5) is used for weighing and is arranged on the surface of the limit sleeve (4);

the limiting piece (6) is used for limiting and is arranged between the bottleneck (2) and the limiting sleeve (4);

the fixing piece (7) for locking comprises a through hole (701) formed in the limiting sleeve (4), a wedge block (702) is movably arranged in the inner cavity of the through hole (701) in a penetrating mode, and a positioning groove (703) matched with the wedge block (702) is formed in the surface of the bottle neck (2).

2. The sampling device of claim 1, wherein: the sampling assembly (3) comprises a sampling tube (301) inserted into the inner cavity of the bottle neck (2), the bottom end of the sampling tube (301) extends to the inner cavity of the storage shell (1), the upper portion of the surface of the sampling tube (301) is communicated with a material guide tube (302), and the outer surface of the sampling tube (301) is fixedly connected with the inner wall surface of the limit sleeve (4).

3. The sampling device of claim 2, wherein: the storage piece (5) comprises a bracket (501) fixedly connected to the surface of the limiting sleeve (4), and a charging barrel (502) capable of receiving samples falling from the material guide pipe (302) is arranged on the bracket (501).

4. The sampling device of claim 1, wherein: the limiting piece (6) comprises a lug (601) integrally formed at the bottom of the limiting sleeve (4), and a groove (602) for the lug (601) to slide is formed in the surface of the bottle neck (2).

5. The sampling device of claim 1, wherein: through holes (704) are formed in the surfaces of the wedge-shaped blocks (702), the inner cavities of the through holes (704) are connected with stop blocks (705) in a sliding mode, and the top and the bottom of each stop block (705) are fixedly connected with the inner wall surface of each through hole (701).

6. The sampling device of claim 5, wherein: a spring (706) is fixedly connected to one side of the stop block (705), and the other end of the spring (706) is fixedly connected with the inner wall surface of the through hole (704).

7. The sampling device of claim 6, wherein: the surface of dog (705) runs through and is equipped with guide arm (707), spring (706) cover is located the surface of guide arm (707), both ends of guide arm (707) are all with the internal wall surface fixed connection of through-hole (704).

8. The sampling device of claim 1, wherein: one end of the wedge block (702) far away from the positioning groove (703) is movably provided with a pull ring (708) in a penetrating way.