Portable manual micro negative pressure powder and granule sampling device

Abstract

The utility model discloses a portable manual micro-negative-pressure powder and granule sampling device which comprises a sample cylinder barrel, a connecting rod is arranged at the upper end of the sample cylinder barrel, a fixed handle is arranged at the upper end of the connecting rod, a movable shaft is arranged in the middle of the connecting rod, an in-shaft shifting block is arranged outside the movable shaft, and an in-shaft shifting block is arranged outside the in-shaft shifting block. A piston is arranged outside the movable shaft, a butterfly-shaped sealing movable rotary valve plate is arranged outside the movable shaft, butterfly-shaped sealing fixed opening plates are arranged on the two sides of the butterfly-shaped sealing movable rotary valve plate, and a shaft end shifting block is arranged at the lower end of the movable shaft. By means of the structure, the problems that a traditional plug-in sampler is small in caliber, small in side face feeding amount, prone to being stuck and not prone to discharging materials are solved, rapid sampling is achieved, and the labor intensity of repeated actions of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of rapid sampling and placing of granular materials such as industrialized sites and raw grains, and in particular to a portable manual micro-negative pressure powder and granular material sampling device. Background Art

[0002] With the continuous development of society, some powdery or granular materials need to be sampled during long-term storage or use, and the changes in the materials need to be observed after sampling, and corresponding remedial measures need to be taken. The corresponding sampling device needs to be used during sampling.

[0003] The existing insertion type sampler has the problems of small diameter, small side material input, easy jamming and difficulty in releasing materials. Utility Model Content

[0004] The utility model aims to provide a portable manual micro-negative pressure powder and granule sampling device to solve the technical problems of the prior art that the insertion sampler has a small diameter, a small side feed amount, is easy to get stuck, and is difficult to release materials.

[0005] To achieve the above-mentioned purpose, a portable manual micro-negative pressure powder and granular material sampling device is provided, comprising: a sample cylinder tank, a connecting rod is provided at the upper end of the sample cylinder tank, a fixed handle is provided at the upper end of the connecting rod, a movable shaft is provided in the middle of the connecting rod, a shaft dial head is provided on the outside of the movable shaft, a piston is provided on the outside of the movable shaft, a butterfly-sealed movable rotary valve plate is provided on the outside of the movable shaft, butterfly-sealed fixed opening plates are provided on both sides of the butterfly-sealed movable rotary valve plate, and a shaft end dial head is provided at the lower end of the movable shaft.

[0006] According to the portable manual micro-negative pressure powder and granular material sampling device, the upper end of the movable shaft passes through the middle of the connecting rod 3 and extends to the outside, and is fixedly connected with a movable handle.

[0007] According to the portable manual micro-negative pressure powder and granular material sampling device, an exhaust port is provided on the side wall of the sample cylinder tank, and a semi-wedge plate is provided at the lower end of the sample cylinder tank.

[0008] According to the portable manual micro-negative pressure powder and granular material sampling device, two butterfly-sealed movable rotary valve plates are provided, a fixed plate connecting sleeve is provided at the connection between the two butterfly-sealed movable rotary valve plates, an axial hole is provided in the middle of the fixed plate connecting sleeve, and a rotary valve plate toggle slot is provided on the side wall of the fixed plate connecting sleeve.

[0009] According to the portable manual micro-negative pressure powder and granular material sampling device, the rotary valve plate toggle slot is composed of a rotary valve plate toggle lower slot and a rotary valve plate toggle upper slot, and the rotary valve plate toggle slot is arranged between the butterfly seal movable rotary valve plate and the fixed plate connecting sleeve.

[0010] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0011] The purpose of the utility model is to provide a portable manual micro-negative pressure powder and granule sampling device, the main innovations are:

[0012] 1. The portable manual micro-negative pressure powder and granule sampling device of the utility model is the result summarized in practice. There are a large number of material samplings in industrial production. It solves the problems of small diameter, small side feed volume, easy jamming and difficult material release of traditional insertion samplers, realizes rapid sampling and reduces the labor intensity of employees' repeated actions.

[0013] 2. The portable manual micro-negative pressure powder and granule sampling device of the utility model has a simple structure, low investment, large sampling volume, rapid taking and placing, strong sample representativeness, and a wide range of sample particle adaptability. It is completely designed and manufactured by employees independently. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a front view of a portable manual micro-negative pressure powder and granular material sampling device of the utility model;

[0016] Figure 2 This is a cross-sectional view of a portable manual micro-negative pressure powder and granular material sampling device of the utility model;

[0017] Figure 3 This is a valve plate structure diagram of a portable manual micro-negative pressure powder and granular material sampling device of the utility model;

[0018] Figure 4 The utility model is a side view of a valve plate of a portable manual micro-negative pressure powder and granular material sampling device.

[0019] Legend:

[0020] 1. Movable handle; 2. Fixed handle; 3. Connecting rod; 4. Sample cylinder; 5. Semi-wedge plate; 6. Exhaust port; 7. Movable shaft; 8. Piston; 9. Movable rotary valve plate of butterfly seal; 10. Middle dial head of shaft; 11. Dial head at end of shaft; 12. Fixed opening plate of butterfly seal; 13. Shaft hole; 14. Rotary valve plate toggle slot; 15. Fixed plate connecting sleeve; 16. Rotary valve plate toggle lower slot; 17. Rotary valve plate toggle upper slot. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a portable manual micro-negative pressure powder and granular material sampling device, which includes: a sample cylinder tank 4, a connecting rod 3 is provided at the upper end of the sample cylinder tank 4, a fixed handle 2 is provided at the upper end of the connecting rod 3, a movable shaft 7 is provided in the middle of the connecting rod 3, and the movable shaft 7 is movable in the middle of the connecting rod 3, which is convenient for pushing the sample cylinder tank 4 to move, inserting the sample cylinder tank 4 into the interior of the sample, and a shaft middle dial head 10 is provided on the outside of the movable shaft 7. A piston 8 is provided on the outside of the movable shaft 7 to facilitate the discharge of air inside the sample cylinder tank 4 and facilitate sampling. A butterfly-shaped sealed movable rotary valve plate 9 is provided on the outside of the movable shaft 7, and butterfly-shaped sealed fixed opening plates 12 are provided on both sides of the butterfly-shaped sealed movable rotary valve plate 9. A shaft end dial head 11 is provided at the lower end of the movable shaft 7 to facilitate driving the butterfly-shaped sealed movable rotary valve plate 9 to move, and the lower end of the sample cylinder tank 4 can be sealed after sampling.

[0023] The upper end of the movable shaft 7 extends to the outside through the middle of the connecting rod 3 and is fixedly connected with a movable handle 1. The valve plate rotates the movable shaft 7 to rotate. An exhaust port 6 is provided on the side wall of the sample cylinder tank 4. A semi-wedge plate 5 is provided at the lower end of the sample cylinder tank 4 to facilitate the insertion of the sample cylinder tank 4 into the material. Two butterfly-sealed movable rotary valve plates 9 are provided, and a fixed plate connecting sleeve 15 is provided at the connection between the two butterfly-sealed movable rotary valve plates 9 to facilitate the movement of the butterfly-sealed movable rotary valve plate 9. An axial hole 13 is provided in the middle of the fixed plate connecting sleeve 15, and a rotary valve plate toggling groove 14 is provided on the side wall of the fixed plate connecting sleeve 15. The rotary valve plate toggling groove 14 is composed of a rotary valve plate toggling lower groove 16 and a rotary valve plate toggling upper groove 17, which is convenient for limiting the butterfly-sealed movable rotary valve plate 9. The rotary valve plate toggling groove 14 is provided between the butterfly-sealed movable rotary valve plate 9 and the fixed plate connecting sleeve 15.

[0024] Working principle: When in use, first insert the material to be extracted to the depth of the material layer when the butterfly seal of the feed port is closed, use the dial head 10 in the shaft to rotate radially, open the movable rotary valve plate 9 of the butterfly seal of the feed port, pull the movable shaft 7 axially and move the entire device in the material layer at the same time, so that when the sampling device is inserted downward, the material is drawn into the sample tank by using the slight negative pressure in the sample cylinder 4, and the radial rotation is used to use the dial head 11 at the end of the shaft to dial the movable rotary valve plate 9 of the butterfly seal of the feed port to close it, retain the sample in the sample cylinder 4, pull out the device, radially rotate to open the movable rotary valve plate 9 of the butterfly seal of the feed port, and axially push the movable shaft 7 to release and push out the sample. It has a simple structure, controllable sample layer depth and quantity, a wide range of materials, a large feed opening, and can effectively remove foreign matter blocks below 50 mm in powder, with a high safety factor and strong applicability.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A portable manual micro-negative pressure powder and granule sampling device, characterized in that: include: A sample cylinder tank (4), wherein a connecting rod (3) is arranged at the upper end of the sample cylinder tank (4), a fixed handle (2) is arranged at the upper end of the connecting rod (3), a movable shaft (7) is arranged in the middle of the connecting rod (3), a shaft center dial head (10) is arranged outside the movable shaft (7), a piston (8) is arranged outside the movable shaft (7), a butterfly-sealed movable rotary valve plate (9) is arranged outside the movable shaft (7), butterfly-sealed fixed opening plates (12) are provided on both sides of the butterfly-sealed movable rotary valve plate (9), and a shaft end dial head (11) is arranged at the lower end of the movable shaft (7).

2. A portable manual micro-negative pressure powder and granule sampling device according to claim 1, characterized in that: The upper end of the movable shaft (7) passes through the middle of the connecting rod (3) and extends to the outside, and is fixedly connected to the movable handle (1).

3. A portable manual micro-negative pressure powder and granule sampling device according to claim 1, characterized in that: The side wall of the sample cylinder tank (4) is provided with an exhaust port (6), and the lower end of the sample cylinder tank (4) is provided with a semi-wedge plate (5).

4. A portable manual micro-negative pressure powder and granule sampling device according to claim 1, characterized in that: Two butterfly-shaped seal movable rotary valve plates (9) are provided, and a fixed plate connecting shaft sleeve (15) is provided at the connection between the two butterfly-shaped seal movable rotary valve plates (9). An axial hole (13) is provided in the middle of the fixed plate connecting shaft sleeve (15), and a rotary valve plate toggle slot (14) is provided on the side wall of the fixed plate connecting shaft sleeve (15).

5. A portable manual micro-negative pressure powder and granule sampling device according to claim 4, characterized in that: The rotary valve plate toggle slot (14) is composed of a rotary valve plate toggle lower slot (16) and a rotary valve plate toggle upper slot (17). The rotary valve plate toggle slot (14) is arranged between a butterfly seal movable rotary valve plate (9) and a fixed plate connecting shaft sleeve (15).

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