Badge type individual dust sampler for occupational health

Abstract

The utility model relates to the technical field of air samplers, in particular to a badge type individual dust sampler for occupational health, which comprises a cover body and a fixing component, a plurality of round holes are uniformly formed in the surface of the cover body, the fixing component comprises a shell, a closed ring, two sliding rails, an absorption block, a convex block and a locking block, and the shell is detachably connected with the cover body. An opening is formed in the side wall of the shell, the two sliding rails are fixedly connected with the shell, the closed ring is connected with the two sliding rails in a sliding mode, the absorption block is connected with the shell in a sliding mode, the absorption block is matched with the opening, the protruding block is fixedly connected with the closed ring, one end of the locking block is fixedly connected with the protruding block, and the other end of the locking block is connected with the shell in a clamped mode. The utility model discloses an individual dust sampler, which solves the problems that the conventional individual dust sampler mostly adopts a mode of threaded connection of a front cover and a base, an absorption layer, a filter membrane and a gauze element are fixed inside, and when components such as the internal absorption layer and the like are replaced, the front cover needs to be screwed off, so that the operation is very troublesome, the other components are easy to take out together, and the operation is very tedious.

Description

Technical Field

[0001] The utility model relates to the technical field of air samplers, in particular to a badge-type individual dust sampler for occupational hygiene. Background Art

[0002] my country has the largest labor force in the world, and occupational health problems caused by exposure to various hazardous factors in the workplace are still serious. The collection of on-site air samples is the first and most important step in monitoring hazardous substances in the workplace. The pumpless sampling method does not require vacuum and flow devices when collecting chemical substances in the air. It is designed based on the principle of molecular diffusion and is particularly suitable for long-term individual sampling. The badge-type individual dust sampler has a very broad application prospect in the field of occupational health due to its small size, light weight, simple structure, and easy portability and operation. It can be worn on the worker's shirt pocket to follow the worker's activities for real-time sampling. The sampling is sent back to the laboratory for analysis, which is an important basis for calculating the time-weighted average permissible concentration.

[0003] However, most existing individual dust samplers use a threaded connection between the front cover and the base to fix the absorption layer, filter membrane and gauze inside. When replacing the internal absorption layer and other components, the front cover needs to be unscrewed, which is very troublesome and easy to take out the remaining components together, making the operation very cumbersome. Utility Model Content

[0004] The utility model aims to provide a badge-type individual dust sampler for occupational hygiene, which solves the problem that most existing individual dust samplers adopt a threaded connection method between the front cover and the base to fix the absorption layer, filter membrane and gauze inside. When replacing the internal absorption layer and other components, the front cover needs to be unscrewed, which is very troublesome to operate, and it is easy to take out the remaining components together, which is very cumbersome to operate.

[0005] To achieve the above-mentioned purpose, the utility model provides a badge-type individual dust sampler for occupational hygiene, including a cover body and a fixing assembly, the surface of the cover body is evenly provided with a plurality of circular holes, the fixing assembly includes a shell, a closed ring, two sliding rails, an absorption block, a protruding block and a locking block, the shell is detachably connected to the cover body and is located on one side of the cover body, an opening is provided on the side wall of the shell, the two sliding rails are fixedly connected to the shell and are located on both sides of the opening, the closed ring is slidably connected to the two sliding rails and are located on one side of the opening, the absorption block is slidably connected to the shell and is located inside the shell, and the absorption block is adapted to the opening, the protruding block is fixedly connected to the closed ring and is located on one side of the closed ring, one end of the locking block is fixedly connected to the protruding block, and the other end of the locking block is clamped with the shell and is located inside the shell.

[0006] Wherein, the fixing assembly further comprises two pressing rings, which are slidably connected to the shell and are located on both sides of the absorption block.

[0007] Wherein, the fixing assembly further comprises a fixing ring, which is fixedly connected to the absorption block and is located outside the absorption block.

[0008] Wherein, the badge-type individual dust sampler for occupational hygiene further comprises a mounting assembly, and the mounting assembly is arranged on one side of the shell.

[0009] Wherein, the installation assembly includes two guide rails, two sliding blocks, a base plate and a fixing plate, the guide rails are fixedly connected to the shell and are located on one side of the shell, the two sliding blocks are respectively slidably connected to the corresponding guide rails and are located inside the guide rails, the base plate is fixedly connected to the two sliding blocks and is located between the two sliding blocks, and the fixing plate is fixedly connected to the base plate and is located on one side of the base plate.

[0010] The utility model discloses a badge-type individual dust sampler for occupational health, the shell being detachably connected to the cover body and being located on one side of the cover body, an opening being provided on the side wall of the shell, the two sliding rails being fixedly connected to the shell and being located on both sides of the opening, the closed ring being slidably connected to the two sliding rails and being located on one side of the opening, the absorption block being slidably connected to the shell and being located inside the shell, and the absorption block being adapted to the opening, the protruding block being fixedly connected to the closed ring and being located on one side of the closed ring, one end of the locking block being fixedly connected to the protruding block, and the other end of the locking block being snap-engaged with the shell and being located inside the shell, air entering the shell through the cover body, the absorption block adsorbing components in the air, the closed ring being slid into the inside of the shell by sliding the protruding block, and the absorption block being replaced, which is easy to operate and has improved practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0012] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0013] Figure 2 It is a side view of the first embodiment of the utility model.

[0014] Figure 3 The utility model Figure 2 AA line section view.

[0015] Figure 4 It is an overall structural diagram of the second embodiment of the utility model.

[0016] 101-cover body, 102-shell body, 103-closing ring, 104-sliding rail, 105-absorbing block, 106-protruding block, 107-locking block, 108-pressing ring, 109-fixing ring, 110-round hole, 111-opening, 201-guide rail, 202-sliding block, 203-bottom plate, 204-fixing plate. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0018] First embodiment:

[0019] See also Figure 1 to Figure 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 is a side view of the first embodiment of the utility model, Figure 3 The utility model Figure 2 AA line section view.

[0020] The utility model provides a badge-type individual dust sampler for occupational hygiene, comprising a cover body 101 and a fixing assembly, wherein the fixing assembly comprises a shell 102, a closing ring 103, two sliding rails 104, an absorption block 105, a protruding block 106, a locking block 107, two pressure rings 108 and a fixing ring 109. The above-mentioned scheme solves the problem that most of the existing individual dust samplers adopt a threaded connection between the front cover and the base to fix the absorption layer, the filter membrane and the gauze inside, and when replacing the internal absorption layer and other components, the front cover needs to be unscrewed, which is very troublesome to operate, and it is easy to take out the remaining components together, which is very cumbersome to operate.

[0021] According to the present specific embodiment, a plurality of circular holes 110 are evenly arranged on the surface of the cover body 101, the shell 102 is detachably connected to the cover body 101 and is located on one side of the cover body 101, an opening 111 is arranged on the side wall of the shell 102, the two sliding rails 104 are fixedly connected to the shell 102 and are located on both sides of the opening 111, the closed ring 103 is slidably connected to the two sliding rails 104 and is located on one side of the opening 111, the absorption block 105 is slidably connected to the shell 102 and is located inside the shell 102, and the absorption block 105 is detachably connected to the cover body 101 and is located on one side of the cover body 101. The opening 111 is adapted, the protruding block 106 is fixedly connected to the closed ring 103 and is located on one side of the closed ring 103, one end of the locking block 107 is fixedly connected to the protruding block 106, and the other end of the locking block 107 is engaged with the shell 102 and is located inside the shell 102, air enters the shell 102 through the cover body 101, the absorption block 105 absorbs components in the air, and the closed ring 103 is slid into the shell 102 by sliding the protruding block 106, and the absorption block 105 is replaced, which is easy to operate and improves practicality.

[0022] Among them, the two pressure rings 108 are slidably connected to the shell 102 and are located on both sides of the absorption block 105. The pressure ring 108 fixes the absorption block 105 on one side of the opening 111 and can separate the absorption block 105 from other components, making it easy to replace the absorption block 105.

[0023] Secondly, the fixing ring 109 is fixedly connected to the absorption block 105 and is located outside the absorption block 105. The setting of the fixing ring 109 facilitates the placement of the absorption block 105 into the shell 102 and prevents the absorption block 105 from folding.

[0024] When the utility model is used, air enters the shell 102 through the cover body 101, and the absorption block 105 absorbs the components in the air. The closed ring 103 is slid into the interior of the shell 102 by sliding the raised block 106 to replace the absorption block 105. The pressure ring 108 fixes the absorption block 105 on one side of the opening 111 and can separate the absorption block 105 from other components, which is convenient for replacing the absorption block 105. The setting of the fixing ring 109 makes it convenient to put the absorption block 105 into the shell 102, prevents the absorption block 105 from folding, and improves practicality.

[0025] Second embodiment:

[0026] See also Figure 4 , Figure 4It is an overall structural diagram of the second embodiment of the utility model.

[0027] On the basis of the first embodiment, the utility model provides a badge-type individual dust sampler for occupational hygiene, which also includes a mounting assembly, wherein the mounting assembly includes two guide rails 201, two sliding blocks 202, a base plate 203 and a fixing plate 204. Through the arrangement of the above-mentioned structure, the problem that the mounting block and the shell 102 of the existing individual dust sampler are fixed together and when replaced, the mounting block needs to be replaced together, which is a waste of materials is solved.

[0028] According to this specific embodiment, the installation component is disposed on one side of the shell 102 , and the installation component facilitates fixing the shell 102 on a person's clothing and removing the shell 102 from the clothing.

[0029] Among them, the guide rail 201 is fixedly connected to the shell 102 and is located on one side of the shell 102. The two sliding blocks 202 are respectively slidably connected to the corresponding guide rails 201 and are located inside the guide rails 201. The bottom plate 203 is fixedly connected to the two sliding blocks 202 and is located between the two sliding blocks 202. The fixing plate 204 is fixedly connected to the bottom plate 203 and is located on one side of the bottom plate 203. The sliding block 202 is inserted into the guide rail 201, the fixing plate 204 is pulled open, and the clothes are clamped between the fixing plate 204 and the bottom plate 203 for easy installation.

[0030] When the utility model is used, air enters the shell 102 through the cover body 101, the absorption block 105 absorbs the components in the air, and the closed ring 103 is slid into the interior of the shell 102 by sliding the raised block 106 to replace the absorption block 105. The pressure ring 108 fixes the absorption block 105 on one side of the opening 111, the sliding block 202 is inserted into the guide rail 201, the fixing plate 204 is pulled open, and the clothes are clamped between the fixing plate 204 and the bottom plate 203 for easy installation.

[0031] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A badge-type individual dust sampler for occupational health, comprising a cover body, a surface of which is evenly provided with a plurality of circular holes, characterized in that: It also includes a fixing assembly, which includes a shell, a closed ring, two sliding rails, an absorption block, a protruding block and a locking block. The shell is detachably connected to the cover body and is located on one side of the cover body. An opening is provided on the side wall of the shell. The two sliding rails are fixedly connected to the shell and are located on both sides of the opening. The closed ring is slidably connected to the two sliding rails and is located on one side of the opening. The absorption block is slidably connected to the shell and is located inside the shell, and the absorption block is adapted to the opening. The protruding block is fixedly connected to the closed ring and is located on one side of the closed ring. One end of the locking block is fixedly connected to the protruding block, and the other end of the locking block is clamped with the shell and is located inside the shell.

2. The badge-type individual dust sampler for occupational health as claimed in claim 1, characterized in that: The fixing assembly further comprises two pressing rings, which are slidably connected to the shell and are located on both sides of the absorption block.

3. The badge-type individual dust sampler for occupational health as claimed in claim 2, characterized in that: The fixing assembly also includes a fixing ring, which is fixedly connected to the absorption block and is located outside the absorption block.

4. The badge-type individual dust sampler for occupational health as claimed in claim 3, characterized in that: The badge-type individual dust sampler for occupational hygiene further comprises a mounting assembly, and the mounting assembly is arranged on one side of the shell.

5. The badge-type individual dust sampler for occupational health as claimed in claim 4, characterized in that: The mounting assembly includes two guide rails, two sliding blocks, a base plate and a fixing plate. The guide rails are fixedly connected to the shell and are located on one side of the shell. The two sliding blocks are respectively slidably connected to the corresponding guide rails and are located inside the guide rails. The base plate is fixedly connected to the two sliding blocks and is located between the two sliding blocks. The fixing plate is fixedly connected to the base plate and is located on one side of the base plate.

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