Explosion-proof dust sampling device

Abstract

The utility model provides an explosion-proof dust sampling device. The explosion-proof dust sampling device comprises a base, a limiting groove is formed in the top of the base, and a positioning block is movably sleeved with the limiting groove. According to the explosion-proof dust sampling device provided by the utility model, the second conduction rod is arranged, when dust sampling is carried out in a narrow space, the sampler body is started and the second conduction rod is stretched, so that the second conduction rod can extend from one end of the first conduction rod, namely, the sampling joint is driven to extend; therefore, a worker can drive the sampling joint to move to an area with a relatively narrow space through the first conduction rod, and the sampler body is promoted to absorb gas in the narrow space through the sampling joint, so that a dust sampling effect is achieved; therefore, the problem that a dust sampler with a large volume is difficult to collect airflow dust with a narrow space is solved, and the practical effect of the dust sampling device is improved.

Description

Technical Field

[0001] The utility model relates to the field of dust sampling, in particular to an explosion-proof dust sampling device. Background Art

[0002] Dust sampler refers to a portable device for collecting dust samples in dusty air; in addition to the need for safe production management, the purpose of measuring dust concentration in the air is to provide a scientific basis for the study of dust prevention, dust reduction and dust removal measures. Using a sampler to measure dust is a recognized method with high accuracy; it is widely used in health monitoring and evaluation in disease prevention, environmental monitoring, labor protection, safety supervision, military, scientific research and teaching, metallurgy, petrochemical, railway, building materials and other departments, and is specifically used to measure the average dust concentration in the air in the workplace of production teams.

[0003] In the existing technology, such as the "An explosion-proof dust sampling device" with China's authorization announcement number: CN212206789U, it includes a base and a sampling component, a support rod at the lower end of the base, and three groups of support rods are arranged. The three groups of support rods form a triangular structure, which makes the base more stable and prevents the use of the sampling component from being affected by the shaking of the base. At the same time, a telescopic cylinder is fixedly installed on the upper end of the base. The position height of the sampling component can be changed by using a switch, and the sampling head can be used to sample dust at different positions and heights, with good use effect. A protective cover is provided at the upper end of the cylinder. The operator uses the threaded part and the connecting piece to fix the cylinder and the protective cover. A first filter net, a second filter net and a third filter net are arranged inside the protective cover, which can filter the gas drawn into the sampling head to prevent larger dust from being adsorbed on the filter membrane and affecting the detection result.

[0004] When dust sampling is performed in the existing technology, since most dust sampling locations are relatively complex and narrow, sampling devices with fixed volume and shape are difficult to work in a relatively small area, resulting in the problem of low practicality of the sampling device.

[0005] Therefore, it is necessary to provide an explosion-proof dust sampling device to solve the above technical problems. Utility Model Content

[0006] The utility model provides an explosion-proof dust sampling device, which solves the problem that since most dust sampling locations are relatively complex and narrow, sampling devices with fixed volume and shape are difficult to work in a relatively narrow area, resulting in low practicality of the sampling device.

[0007] In order to solve the above technical problems, the utility model provides an explosion-proof dust sampling device, comprising a base, a limiting groove is provided on the top of the base, a positioning block is movably sleeved inside the limiting groove, an explosion-proof box is fixedly connected to the top of the positioning block, a sampler body is fixedly sleeved inside the explosion-proof box, an air inlet pipe is fixedly sleeved on the top of the sampler body, a filter sleeve is fixedly sleeved on one end of the air inlet pipe, a filter block is fixedly sleeved inside the filter sleeve, a sealing cover is threadedly sleeved on the side of the filter sleeve, a No. 1 conduction rod is threadedly sleeved on the side of the sealing cover, a No. 2 conduction rod is movably sleeved inside the No. 1 conduction rod, a sealing sleeve is fixedly sleeved on one end of the No. 2 conduction rod, a sampling joint is threadedly sleeved on one end of the No. 2 conduction rod, a sliding ball is movably sleeved on the bottom of the inner cavity of the limiting groove, a storage mechanism is provided on the top of the sampler body, and an adjustment mechanism is provided on the bottom of the base.

[0008] Preferably, the diameter of the No. 2 conduction rod is smaller than the diameter of the No. 1 conduction rod, and the No. 2 conduction rod and the base are parallel to each other.

[0009] Preferably, the explosion-proof box is compatible with the sampler body, and the explosion-proof box is made of stainless steel.

[0010] Preferably, the filter block is made of plant fiber material, and the filter block is compatible with the filter sleeve.

[0011] Preferably, the sealing sleeve is movably sleeved inside the No. 1 conducting rod, and the sealing sleeve is made of rubber material.

[0012] Preferably, the storage mechanism includes an exhaust pipe, which is fixedly sleeved on the top of the base, one end of the exhaust pipe is threadedly sleeved with a gas injection seat, the outside of the gas injection seat is fixedly sleeved with a storage bag, and the side of the gas injection seat is fixedly sleeved with a one-way valve.

[0013] Preferably, there are several sliding balls, and the several sliding balls are evenly distributed at the bottom of the inner cavity of the limiting groove.

[0014] Preferably, the adjustment mechanism comprises a flip column, the flip column is movably sleeved on the bottom of the base, an extension rod is movably sleeved on the bottom of the flip column, and a bolt is sleeved on the internal thread of the flip column.

[0015] Compared with the related art, the explosion-proof dust sampling device provided by the utility model has the following beneficial effects:

[0016] The utility model provides an explosion-proof dust sampling device. By arranging a second conductive rod, when sampling dust in a narrow space, the sampler body is started and the second conductive rod is stretched, so that the second conductive rod can be extended from one end of the first conductive rod, that is, the sampling joint is driven to be extended, so that the staff can drive the sampling joint to move to a relatively narrow area through the first conductive rod, so that the sampler body absorbs the gas inside the narrow space through the sampling joint, thereby achieving the dust sampling effect, avoiding the problem that a large dust sampler is difficult to collect dust in a narrow airflow, thereby improving the practical effect of the dust sampling device;

[0017] By setting up a storage mechanism, when dust collection and sampling is required, the exhaust pipe is threaded onto the outside of the gas injection seat. At this time, the sampler body is started, so that the sampler body can inject the dust accompanied by the air flow into the interior of the storage bag, so that the storage bag can store the dust gas, thereby bringing convenience to the sampling of dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a preferred embodiment of an explosion-proof dust sampling device provided by the utility model;

[0019] Figure 2 for Figure 1 A front view of a base in an explosion-proof dust sampling device is shown;

[0020] Figure 3 for Figure 1 A front view of an explosion-proof box in an explosion-proof dust sampling device is shown;

[0021] Figure 4 for Figure 1 An enlarged schematic diagram of point A in an explosion-proof dust sampling device is shown.

[0022] Numbers in the figure: 1. Base; 2. Limit groove; 3. Positioning block; 4. Explosion-proof box; 5. Sampler body; 6. Air inlet pipe; 7. Filter sleeve; 8. Filter block; 9. Sealing cover; 10. No. 1 transmission rod; 11. No. 2 transmission rod; 12. Sealing sleeve; 13. Sampling joint; 14. Sliding ball; 15. Storage mechanism; 151. Exhaust pipe; 152. Gas injection seat; 153. Storage bag; 154. One-way valve; 16. Adjustment mechanism; 161. Flip column; 162. Extension rod; 163. Bolt. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of an explosion-proof dust sampling device provided by the utility model; Figure 2 for Figure 1 A front view of a base in an explosion-proof dust sampling device is shown; Figure 3 for Figure 1 A front view of an explosion-proof box in an explosion-proof dust sampling device is shown; Figure 4 for Figure 1 An enlarged schematic diagram of point A in an explosion-proof dust sampling device is shown. An explosion-proof dust sampling device comprises a base 1, a limiting groove 2 is provided on the top of the base 1, a positioning block 3 is movably sleeved inside the limiting groove 2, an explosion-proof box 4 is fixedly connected to the top of the positioning block 3, a sampler body 5 is fixedly sleeved inside the explosion-proof box 4, an air inlet pipe 6 is fixedly sleeved on the top of the sampler body 5, a filter sleeve 7 is fixedly sleeved on one end of the air inlet pipe 6, a filter block 8 is fixedly sleeved inside the filter sleeve 7, a sealing cover 9 is threadedly sleeved on the side of the filter sleeve 7, a No. 1 transmission rod 10 is threadedly sleeved on the side of the sealing cover 9, a No. 2 transmission rod 11 is movably sleeved inside the No. 1 transmission rod 10, a sealing cover 12 is fixedly sleeved on one end of the No. 2 transmission rod 11, a sampling joint 13 is threadedly sleeved on one end of the No. 2 transmission rod 11, a sliding ball 14 is movably sleeved on the bottom of the inner cavity of the limiting groove 2, a storage mechanism 15 is provided on the top of the sampler body 5, and an adjustment mechanism 16 is provided on the bottom of the base 1.

[0025] The diameter of the No. 2 conduction rod 11 is smaller than the diameter of the No. 1 conduction rod 10, and the No. 2 conduction rod 11 is parallel to the base 1; by setting the No. 2 conduction rod 11, when sampling dust in a narrow space, the sampler body 5 is started and the No. 2 conduction rod 11 is stretched, so that the No. 2 conduction rod 11 can be extended from one end of the No. 1 conduction rod 10, that is, the sampling connector 13 is extended, so that the staff can drive the sampling connector 13 to move to a relatively narrow area through the No. 1 conduction rod 10, and the sampler body 5 is prompted to absorb the gas inside the narrow space through the sampling connector 13, thereby achieving the dust sampling effect, avoiding the problem that a large dust sampler is difficult to collect dust in a narrow airflow, thereby improving the practical effect of the dust sampling device.

[0026] The explosion-proof box 4 is compatible with the sampler body 5, and the material of the explosion-proof box 4 is stainless steel; by setting up the explosion-proof box 4, when the working environment of the dust sampling device is relatively complex, the explosion-proof box 4 can protect the sampler body 5, thereby avoiding the problem of the sampler body 5 falling during use and causing the sampler body 5 to be damaged by collision, thereby improving the protection effect of the dust sampling device.

[0027] The material of the filter block 8 is plant fiber material, and the filter block 8 is compatible with the filter sleeve 7; by setting the filter block 8, when dust collection is performed, the filter block 8 can filter the dust inside the No. 1 conduction rod 10, so that larger dust particles can be blocked inside the filter block 8, thereby avoiding the problem of larger dust particles flowing into the air intake pipe 6 and causing blockage, thereby improving the smoothness of dust collection.

[0028] The sealing sleeve 12 is movably sleeved inside the No. 1 conduction rod 10, and the sealing sleeve 12 is made of rubber material; by setting the sealing sleeve 12, when the No. 2 conduction rod 11 is stretched, the sealing sleeve 12 can fill the gap between the No. 1 conduction rod 10 and the No. 2 conduction rod 11, thereby avoiding the problem that the dust outside the No. 1 conduction rod 10 enters the No. 1 conduction rod 10 through the gap when the dust is absorbed, thereby improving the airtightness inside the No. 1 conduction rod 10.

[0029] The storage mechanism 15 includes an exhaust pipe 151, which is fixedly sleeved on the top of the base 1, and one end of the exhaust pipe 151 is threadedly sleeved with a gas injection seat 152, the outside of the gas injection seat 152 is fixedly sleeved with a storage bag 153, and the side of the gas injection seat 152 is fixedly sleeved with a one-way valve 154; by setting the storage mechanism 15, when dust collection and sampling is required, the exhaust pipe 151 is threadedly sleeved on the outside of the gas injection seat 152, and the sampler body 5 is started at this time, so that the sampler body 5 can inject the dust accompanied by the airflow into the interior of the storage bag 153, so that the storage bag 153 can store the dust gas, thereby bringing convenience to the sampling of dust.

[0030] There are several sliding balls 14, and the several sliding balls 14 are evenly distributed at the bottom of the inner cavity of the limiting groove 2; by setting the sliding balls 14, when the sampler body 5 is limited and fixed, the sliding balls 14 can support the sliding positioning block 3, so as to avoid the problem of the positioning block 3 moving to the bottom of the inner cavity of the limiting groove 2 and rubbing against it, thereby improving the smoothness of the movement of the positioning block 3, that is, improving the smoothness of the fixed installation of the sampler body 5.

[0031] The adjusting mechanism 16 includes a flip column 161, which is movably sleeved on the bottom of the base 1, and an extension rod 162 is movably sleeved on the bottom of the flip column 161, and a bolt 163 is sleeved on the internal thread of the flip column 161; by setting the adjusting mechanism 16, when it is necessary to adjust the working height of the sampler body 5, the bolt 163 is rotated so that the bolt 163 can be moved out from the extension rod 162. At this time, the extension rod 162 can move up and down inside the flip column 161, thereby achieving the effect of adjusting the length of the flip column 161, thereby facilitating the adjustment of the working height of the dust sampling device.

[0032] The working principle of an explosion-proof dust sampling device provided by the utility model is as follows:

[0033] Step 1: First, when sampling dust in a narrow space, start the sampler body 5 and stretch the No. 2 conduction rod 11, so that the No. 2 conduction rod 11 can be extended from one end of the No. 1 conduction rod 10, that is, the sampling connector 13 is extended, so that the staff can drive the sampling connector 13 to move to a relatively narrow area through the No. 1 conduction rod 10, so that the sampler body 5 absorbs the gas inside the narrow space through the sampling connector 13, thereby achieving the dust sampling effect, avoiding the problem that a large dust sampler is difficult to collect dust in a narrow airflow, thereby improving the practical effect of the dust sampling device. When the working environment of the dust sampling device is relatively complex, the explosion-proof box 4 can protect the sampler body 5 to avoid sampling. The sampler body 5 is dropped when in use, resulting in the problem of the sampler body 5 being damaged by collision, thereby improving the protection effect of the dust sampling device. When collecting dust, the filter block 8 is able to filter the dust inside the first conduction rod 10, so that the larger dust particles are blocked inside the filter block 8, thereby avoiding the problem of the larger dust particles flowing into the air intake pipe 6 and causing blockage, thereby improving the smoothness of dust collection. When the second conduction rod 11 is stretched, the sealing sleeve 12 is able to fill the gap between the first conduction rod 10 and the second conduction rod 11, thereby avoiding the problem that the dust outside the first conduction rod 10 enters the first conduction rod 10 through the gap when the dust is absorbed, thereby improving the air tightness inside the first conduction rod 10;

[0034] Step 2: When dust collection and sampling is required, the exhaust pipe 151 is threadedly sleeved on the outside of the gas injection seat 152. At this time, the sampler body 5 is started, so that the sampler body 5 can inject the dust accompanied by the airflow into the interior of the storage bag 153, so that the storage bag 153 can store the dust gas, which brings convenience to the sampling of dust. When the sampler body 5 is limited and fixed, the sliding ball 14 can support the sliding positioning block 3, so as to avoid the problem of the positioning block 3 moving to the bottom of the inner cavity of the limiting groove 2, thereby improving the smoothness of the positioning block 3 when moving, that is, improving the smoothness of the sampler body 5 when it is fixed and installed. When the working height of the sampler body 5 needs to be adjusted, the bolt 163 is rotated so that the bolt 163 can be moved out from the extension rod 162. At this time, the extension rod 162 can move up and down inside the flip column 161, thereby achieving the effect of adjusting the length of the flip column 161, thereby facilitating the adjustment of the working height of the dust sampling device.

[0035] Compared with the related art, the explosion-proof dust sampling device provided by the utility model has the following beneficial effects:

[0036] By setting the No. 2 conduction rod 11, when sampling dust in a narrow space, the sampler body 5 is started and the No. 2 conduction rod 11 is stretched, so that the No. 2 conduction rod 11 can be extended from one end of the No. 1 conduction rod 10, that is, the sampling connector 13 is driven to extend, so that the staff can drive the sampling connector 13 to move to an area with a relatively narrow space through the No. 1 conduction rod 10, and the sampler body 5 is prompted to absorb the gas inside the narrow space through the sampling connector 13, thereby achieving the dust sampling effect, avoiding the problem that a large dust sampler is difficult to collect dust in a narrow airflow, thereby improving the practical effect of the dust sampling device.

[0037] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An explosion-proof dust sampling device, comprising a base (1), characterized in that: The top of the base (1) is provided with a limiting groove (2), a positioning block (3) is movably sleeved inside the limiting groove (2), an explosion-proof box (4) is fixedly connected to the top of the positioning block (3), a sampler body (5) is fixedly sleeved inside the explosion-proof box (4), an air intake pipe (6) is fixedly sleeved on the top of the sampler body (5), a filter sleeve (7) is fixedly sleeved on one end of the air intake pipe (6), a filter block (8) is fixedly sleeved inside the filter sleeve (7), and a sealing cover (9) is threadedly sleeved on the side of the filter sleeve (7). The side of the sealing cover (9) is threadedly sleeved with a first transmission rod (10), the inside of the first transmission rod (10) is movably sleeved with a second transmission rod (11), one end of the second transmission rod (11) is fixedly sleeved with a sealing sleeve (12), one end of the second transmission rod (11) is threadedly sleeved with a sampling joint (13), the bottom of the inner cavity of the limiting groove (2) is movably sleeved with a sliding ball (14), the top of the sampler body (5) is provided with a storage mechanism (15), and the bottom of the base (1) is provided with an adjustment mechanism (16).

2. An explosion-proof dust sampling device according to claim 1, characterized in that: The diameter of the second conduction rod (11) is smaller than the diameter of the first conduction rod (10), and the second conduction rod (11) and the base (1) are parallel to each other.

3. The explosion-proof dust sampling device according to claim 1, characterized in that: The explosion-proof box (4) is compatible with the sampler body (5), and the material of the explosion-proof box (4) is stainless steel.

4. The explosion-proof dust sampling device according to claim 1, characterized in that: The filter block (8) is made of plant fiber material, and the filter block (8) is compatible with the filter sleeve (7).

5. The explosion-proof dust sampling device according to claim 1, characterized in that: The sealing sleeve (12) is movably sleeved inside the first conducting rod (10), and the sealing sleeve (12) is made of rubber material.

6. The explosion-proof dust sampling device according to claim 1, characterized in that: The storage mechanism (15) comprises an exhaust pipe (151), the exhaust pipe (151) being fixedly sleeved on the top of the base (1), one end of the exhaust pipe (151) being threadedly sleeved with a gas injection seat (152), the outside of the gas injection seat (152) being fixedly sleeved with a storage bag (153), and the side of the gas injection seat (152) being fixedly sleeved with a one-way valve (154).

7. The explosion-proof dust sampling device according to claim 1, characterized in that: The number of the sliding balls (14) is a plurality, and the plurality of sliding balls (14) are evenly distributed at the bottom of the inner cavity of the limiting groove (2).

8. The explosion-proof dust sampling device according to claim 1, characterized in that: The adjustment mechanism (16) comprises a flip column (161), the flip column (161) is movably sleeved on the bottom of the base (1), an extension rod (162) is movably sleeved on the bottom of the flip column (161), and a bolt (163) is sleeved on the internal thread of the flip column (161).

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