Metal dust sample sampler

Abstract

The utility model belongs to the technical field of occupational health detection, and discloses a metal dust sample sampler, which comprises an inner cylinder device for filtering and collecting metal dust, and further comprises a main machine device and a box cover device which are used for lifting, moving and sealing sucked air, and the inner cylinder device is inserted in the main machine device; the host device comprises a sealing box, a handle is arranged at the top of the sealing box, a shoulder strap is arranged above the handle, a collecting cover is arranged at one end of the sealing box, an air extracting pump is installed at the bottom of the sealing box, and a bayonet socket is arranged at the position, close to the collecting cover, of the inner wall of the sealing box; the box cover device comprises a sealing cover. According to the metal dust sample sampler disclosed by the utility model, the flexibility of portability and movement is increased through the arrangement of oblique straddling and lifting movement of the shoulder straps; through the arrangement of moving to align with the metal dust, the collection accuracy of the metal dust sample is ensured; and through the arrangement of plugging disassembly and assembly, the convenience of taking and placing the metal dust sample is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of occupational health detection, in particular to a metal dust sampler. Background Art

[0002] Metal dust refers to fine particles generated during metal processing, such as dust generated during the processing of metal materials such as steel, copper, aluminum, and zinc. These metal dusts are harmful to human health. For example, inhaling too much metal dust can cause respiratory diseases such as bronchitis and emphysema. Therefore, during the metal processing process, it is necessary to sample and monitor metal dust and take corresponding protective measures, such as wearing masks and ventilation, to reduce the harm of metal dust to the human body.

[0003] In contrast, a Chinese patent with announcement number CN219455623U discloses a metal dust sample sampler, including a cart, a tank body is fixedly connected to the cart, an air pump is fixedly connected to the cart, an air outlet pipe is fixedly connected to the right end of the air pump, a tank cover is plugged into the tank body, a first through hole is opened on the tank cover, an I-shaped pipe sleeve is rotatably connected in the first through hole, an air inlet pipe is fixedly connected in the I-shaped pipe sleeve, one end of the air inlet pipe is fixedly connected to a collection cover, a rotating assembly is arranged on the tank cover, the rotating assembly is connected to the air inlet pipe, a second through hole is opened on the tank cover, a pipe joint is fixedly connected in the second through hole, a hose is fixedly connected to the pipe joint, the other end of the hose is fixedly connected to the left end of the air pump, a diversion assembly is arranged on the other end of the air inlet pipe, a placement table is fixedly connected to the inside of the tank body, a plurality of sampling and filtering assemblies are arranged on the placement table, and the diversion assembly is connected to the sampling and filtering assembly through a convex pipe.

[0004] However, the above patent requires pushing and moving, and the flexibility of portable movement is greatly limited, which affects the accuracy of metal dust sample collection. Therefore, a new device needs to be designed. Utility Model Content

[0005] The utility model aims to provide a metal dust sampler to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A metal dust sample sampler comprises an inner cylinder device for filtering and collecting metal dust, and also comprises a main unit device and a box cover device for lifting, moving and sealing the sucked air, wherein the inner cylinder device is inserted into the main unit device; the main unit device comprises a sealed box, a handle is arranged on the top of the sealed box, a shoulder strap is arranged above the handle, a collection cover is arranged at one end of the sealed box, an air pump is installed at the bottom of the sealed box, and a socket is arranged on the inner wall of the sealed box near the collection cover; the box cover device comprises a sealing cover, a connecting seat is arranged on one side of the sealing cover, and a hand groove is arranged on the side of the sealing cover away from the connecting seat.

[0008] Furthermore, the inner cylinder device comprises a net cylinder box, a sealing strip is circumferentially installed at one end of the net cylinder box, and a fixed cover is arranged at one end of the net cylinder box away from the sealing strip.

[0009] Furthermore: the net cylinder box is cylindrical, and the fixed cover and the net cylinder box are riveted together.

[0010] Furthermore, the handle and the sealing box are welded together, and two ends of the shoulder strap are respectively bound and connected with the sealing box.

[0011] Furthermore: the collection cover is trumpet-shaped and is made of polypropylene material.

[0012] Furthermore: the connecting seat and the sealing cover are integrally formed, and the connecting seat and the sealing box are sealed and threadedly connected.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. The shoulder strap can be crossed diagonally and lifted to increase the flexibility of portable movement;

[0015] 2. The accuracy of metal dust sample collection is ensured by moving the setting for aiming at metal dust;

[0016] 3. The plug-in and disassembly settings increase the convenience of taking and placing metal dust samples. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a metal dust sampler described in the utility model;

[0018] Figure 2 It is a schematic diagram of a host device of a metal dust sampler described in the utility model;

[0019] Figure 3 This is a perspective front view of a main unit of a metal dust sampler according to the utility model;

[0020] Figure 4 It is a schematic diagram of an inner cylinder device of a metal dust sampler described in the utility model;

[0021] Figure 5It is a schematic diagram of a box cover device of a metal dust sample sampler described in the utility model.

[0022] In the accompanying drawings: 1. main unit; 101. sealing box; 102. handle; 103. shoulder strap; 104. collection cover; 105. vacuum pump; 106. socket; 2. inner cylinder device; 201. net cylinder box; 202. sealing strip; 203. fixing cover; 3. box cover device; 301. sealing cover; 302. connecting seat; 303. hand groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 A metal dust sample sampler includes an inner cylinder device 2 for filtering and collecting metal dust, and also includes a main unit device 1 and a box cover device 3 for lifting, moving and sealing the sucked air. The inner cylinder device 2 is inserted into the main unit device 1.

[0025] In this embodiment: the host device 1 includes a sealed box 101, a handle 102 is provided on the top of the sealed box 101, the handle 102 and the sealed box 101 are welded together, a shoulder strap 103 is provided above the handle 102, and both ends of the shoulder strap 103 are respectively tied and connected to the sealed box 101, and a collection cover 104 is provided at one end of the sealed box 101, and the collection cover 104 is trumpet-shaped and made of polypropylene material. An air pump 105 is installed at the bottom of the sealed box 101, and a socket 106 is provided at the inner wall of the sealed box 101 near the collection cover 104. The sealed box 101 is diagonally straddled on the body through the shoulder strap 103, the handle 102 is held by hand, and the collection cover 104 is aimed at the metal dust, and the air pump 105 extracts and discharges the air in the sealed box 101 to form a negative pressure, so that the metal dust and the air are sucked into the net cylinder box 201 from the collection cover 104;

[0026] In this embodiment: the inner cylinder device 2 includes a net cylinder box 201, which is cylindrical, and a sealing strip 202 is installed on the circumference of one end of the net cylinder box 201. A fixed cover 203 is provided at one end of the net cylinder box 201 away from the sealing strip 202. The fixed cover 203 and the net cylinder box 201 are riveted together. The net cylinder box 201 is inserted into the socket 106 of the sealing box 101 through the sealing strip 202. The fixed cover 203 is used to close the bottom of the net cylinder box 201, and the net cylinder box 201 filters and collects metal dust samples;

[0027] In this embodiment: the box cover device 3 includes a sealing cover 301, a connecting seat 302 is provided on one side of the sealing cover 301, the connecting seat 302 and the sealing cover 301 are integrally formed, the connecting seat 302 and the sealing box 101 are sealed and threadedly connected, and a hand groove 303 is provided on the side of the sealing cover 301 away from the connecting seat 302. The hand groove 303 is used to hold the sealing cover 301 and is tightened on one end of the sealing box 101 through the connecting seat 302 to seal.

[0028] Working principle: first insert the net tube box 201 into the socket 106 of the sealed box 101 through the sealing strip 202, then use the hand groove 303 to hold the sealing cover 301, and tighten it on one end of the sealed box 101 through the connecting seat 302 to seal it, and then use the shoulder strap 103 to cross the sealed box 101 across the body, hold the handle 102 with your hand, aim the collection cover 104 at the metal dust, and the vacuum pump 105 draws and discharges the air in the sealed box 101 to form a negative pressure, and the metal dust is sucked into the net tube box 201 together with the air from the collection cover 104, and the metal dust is filtered by the net tube box 201 and remains in the net tube box 201. After the sampling is completed, the net tube box 201 is taken out in reverse according to the above steps to obtain the metal dust sample.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal dust sampler, comprising an inner cylinder device for filtering and collecting metal dust, characterized in that: It also includes a main unit device and a box cover device for lifting, moving and sealing the suction air, and the inner cylinder device is inserted in the main unit device; The host device comprises a sealed box, a handle is provided on the top of the sealed box, a shoulder strap is provided above the handle, a collection cover is provided at one end of the sealed box, a vacuum pump is installed at the bottom of the sealed box, and a socket is provided on the inner wall of the sealed box near the collection cover; The box cover device comprises a sealing cover, a connecting seat is arranged on one side of the sealing cover, and a hand groove is arranged on a side of the sealing cover away from the connecting seat.

2. A metal dust sampler according to claim 1, characterized in that: The inner cylinder device comprises a net cylinder box, a sealing strip is installed circumferentially at one end of the net cylinder box, and a fixed cover is arranged at one end of the net cylinder box away from the sealing strip.

3. A metal dust sampler according to claim 2, characterized in that: The net cylinder box is cylindrical, and the fixed cover and the net cylinder box are riveted together.

4. A metal dust sampler according to claim 1, characterized in that: The handle and the sealing box are welded together, and two ends of the shoulder strap are respectively bound and connected with the sealing box.

5. The metal dust sampler according to claim 1, characterized in that: The collecting cover is trumpet-shaped and is made of polypropylene material.

6. A metal dust sampler according to claim 1, characterized in that: The connecting seat and the sealing cover are integrally formed, and the connecting seat and the sealing box are sealingly threadedly connected.

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