Portable formaldehyde detector

Abstract

The utility model relates to the technical field of formaldehyde detection, and discloses a portable formaldehyde detector, which comprises a protective sleeve, an anti-slip edge is arranged on the outer side of the protective sleeve, a groove is arranged at the upper end of the protective sleeve, a hand releasing belt is arranged on the left side of the protective sleeve, and a suction cup is fixedly connected to the rear end of the protective sleeve. According to the portable formaldehyde detector, when the detector body needs to be vertically placed, the locking button is rotated to separate the support from the locking button, the support is turned over to a proper angle, the support supports the detector body, and when the detector body needs to be hung, the hanging lug is hung on a protrusion such as a nail, so that the detector body can be conveniently hung. When the detector body needs to be adsorbed on a plane, the sucker is used for adsorbing the detector body on the smooth plane, multiple fixing modes are selected, the connecting pipe is in threaded connection with the detection pipe during detection, dust in sampled air is filtered through the filter assembly and the first filter layer made of inorganic fiber filter cotton, and moisture in sampled air is absorbed through the second filter layer made of a dioxide drying agent. The detection accuracy is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of formaldehyde detection, in particular to a portable formaldehyde detector. Background Technique

[0002] Formaldehyde is a harmful gas. Especially in newly decorated houses, due to the release of formaldehyde from building materials, paints, plywood, etc., it may pose potential hazards to human health. When formaldehyde needs to be detected, the detection personnel need to stay in the formaldehyde-containing room for a long time, which affects the physical health of the detection personnel. Therefore, a portable formaldehyde detector with multiple fixing methods is proposed.

[0003] Chinese Utility Model Patent Publication No.: CN 213456858 U, discloses: a portable formaldehyde detector. By improving the structure of the formaldehyde detector and adding an adsorption component, and through the mutual cooperation of the suction cup, the limiting cover, the rotating buckle and the screw rod, the formaldehyde detector can be fixed on a smooth wall surface, thereby effectively expanding the applicable range of the formaldehyde detector. However, the structure of this portable formaldehyde detector is irregular, which is not conducive to holding and using. Moreover, the air intake pipe directly extracts air, and after long-term use, dust will block the pipeline, affecting the detection efficiency. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a portable formaldehyde detector, which can effectively solve the problems in the prior art.

[0005] The technical solution adopted by the utility model is: a portable formaldehyde detector, including a protective sleeve, an anti-slip rib is arranged on the outer side of the protective sleeve, a groove is opened at the upper end of the protective sleeve, a release belt is arranged on the left side of the protective sleeve, a suction cup is fixedly connected to the rear end of the protective sleeve, a holding belt is fixedly connected to the rear end of the protective sleeve, a bracket is arranged at the rear end of the protective sleeve, a locking button is arranged at the rear end of the protective sleeve, a card slot is fixedly connected to the right end of the protective sleeve, a detector body is arranged inside the protective sleeve, a hanging ear is fixedly connected to the upper end of the detector body, a detection tube is arranged at the upper end of the detector body, and a filtering component is arranged on the right side of the protective sleeve.

[0006] Preferably, the release belt is connected to the protective sleeve by tying, and the holding belt is located at the lower part of the rear end of the protective sleeve.

[0007] Through the above technical solution, a release belt is provided. The release belt is tied to the wrist to prevent the detector body from falling during carrying. A holding belt is provided. When the user holds the detector body, the hand passes through the holding belt and holds the protective sleeve. The anti-slip rib contacts the hand, increasing the friction force and preventing slipping.

[0008] Preferably, the bracket is rotatably connected to the protective sleeve, and the locking button is rotatably connected to the protective sleeve.

[0009] Through the above technical solution, a bracket is provided. When the detector body needs to be placed upright, rotate the locking button to separate the bracket from the locking button, fold the bracket to an appropriate angle, and the bracket provides support for the detector body. When the detector body needs to be hung and placed, hang the hanging ear on a protrusion such as a nail. When the detector body needs to be adsorbed on a plane, use a suction cup to adsorb the detector body on a smooth plane. There are multiple fixing methods, with a wide selection and high practicality.

[0010] Preferably, the filtering component includes a connecting pipe, an installation hopper, a first filtering layer, a second filtering layer, a locking ring, a pressing net and a handle. The upper end of the connecting pipe is fixedly connected with the installation hopper. The first filtering layer is arranged inside the installation hopper. The lower end of the first filtering layer is fixedly connected with the second filtering layer. The locking ring is arranged at the upper end of the installation hopper. The lower end of the locking ring is fixedly connected with the pressing net. The upper end of the locking ring is fixedly connected with the handle.

[0011] Through the above technical solution, a filtering component is provided. When performing formaldehyde detection, dust and moisture in the sampled air are screened out to avoid affecting the detection result.

[0012] Preferably, the installation hopper is in a funnel-shaped structure. The first filtering layer is made of inorganic fiber filter cotton. The second filtering layer is made of a desiccant dioxide.

[0013] Through the above technical solution, when the sampled air passes through the filtering component, the first filtering layer of inorganic fiber filter cotton filters dust, and the second filtering layer of desiccant dioxide absorbs moisture, improving the detection accuracy.

[0014] Preferably, the locking ring is threadedly connected to the installation hopper, and the connecting pipe is threadedly connected to the detection pipe.

[0015] Through the above technical solution, a locking ring is provided. After the filtering component has been used for a period of time, pinch the handle and rotate to remove the locking ring. The first filtering layer and the second filtering layer can be replaced, which is convenient for replacement. When detecting, threadedly connect the connecting pipe to the detection pipe, and the assembly is convenient.

[0016] Preferably, the pressing net is made of 316 stainless steel mesh.

[0017] Through the above technical solution, the pressing net is made of 316 stainless steel mesh, providing limit and protection for the first filtering layer and the second filtering layer.

[0018] Compared with the prior art, the present utility model provides a portable formaldehyde detector, which has the following

[0019] Beneficial effects:

[0020] 1. The portable formaldehyde detector is provided with a release strap. When the release strap is tied around the wrist, it can prevent the detector body from falling during carrying. It is also provided with a grip strap. When the user holds the detector body, the hand passes through the grip strap and holds the protective cover. The anti-slip ridges come into contact with the hand, enhancing the friction and preventing the detector from slipping out of the hand, making it highly portable. It is also provided with a bracket. When the detector body needs to be placed upright, turn the locking button to separate the bracket from the locking button, and fold the bracket to an appropriate angle. The bracket provides support for the detector body. When the detector body needs to be hung for placement, hang the hanging ear on a protrusion such as a nail. When the detector body needs to be adsorbed on a flat surface, use the suction cup to adsorb the detector body on a smooth flat surface. With multiple fixing methods and a wide selection, it is very practical.

[0021] 2. When detecting with this portable formaldehyde detector, the connecting pipe is threadedly connected to the detection tube, which is convenient for assembly. When the sampled air passes through the filter assembly, the filter layer 1 of the inorganic fiber filter cotton filters dust, and the filter layer 2 of the silica desiccant absorbs moisture, improving the accuracy of detection. It is provided with a locking ring. After the filter assembly has been used for a period of time, pinch the buckle and rotate to remove the locking ring, and the filter layer 1 and filter layer 2 can be replaced, which is convenient for replacement. When detecting, the connecting pipe is threadedly connected to the detection tube, which is convenient for assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Schematic diagram of the three-dimensional structure of the present utility model Figure 1 ;

[0023] Figure 2 Schematic diagram of the three-dimensional structure of the present utility model Figure 2 ;

[0024] Figure 3 Schematic diagram of the three-dimensional structure of the present utility model Figure 3 ;

[0025] Figure 4 Schematic diagram of the three-dimensional structure of the present utility model Figure 4 ;

[0026] Figure 5 Schematic diagram of the disassembled structure of the protective cover and the detector body of the present utility model;

[0027] Figure 6 Schematic diagram of the disassembled structure of the filter assembly of the present utility model.

[0028] Wherein: 1. Protective cover; 2. Anti-slip ridges; 3. Groove; 4. Release strap; 5. Suction cup; 6. Grip strap; 7. Bracket; 8. Locking button; 9. Card slot; 10. Detector body; 11. Hanging ear; 12. Detection tube; 13. Filter assembly; 1301. Connecting pipe; 1302. Installation hopper; 1303. Filter layer 1; 1304. Filter layer 2; 1305. Locking ring; 1306. Pressing net; 1307. Buckle. Detailed implementation mode

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0030] Embodiment 1: As Figures 1-6 shown, a portable formaldehyde detector provided by the present utility model includes a protective sleeve 1, an anti-slip rib 2 is arranged on the outer side of the protective sleeve 1, a groove 3 is opened at the upper end of the protective sleeve 1, a release belt 4 is arranged on the left side of the protective sleeve 1, a suction cup 5 is fixedly connected to the rear end of the protective sleeve 1, a holding belt 6 is fixedly connected to the rear end of the protective sleeve 1, a bracket 7 is arranged at the rear end of the protective sleeve 1, a locking button 8 is arranged at the rear end of the protective sleeve 1, a card slot 9 is fixedly connected to the right end of the protective sleeve 1, a detector body 10 is arranged inside the protective sleeve 1, a hanging ear 11 is fixedly connected to the upper end of the detector body 10, a detection tube 12 is arranged at the upper end of the detector body 10, and a filtering component 13 is arranged on the right side of the protective sleeve 1.

[0031] Specifically, the release belt 4 is tied to the protective sleeve 1, and the holding belt 6 is located at the lower part of the rear end of the protective sleeve 1. The advantage is that the release belt 4 is provided. The release belt 4 is tied to the wrist to prevent the detector body 10 from falling during carrying. The holding belt 6 is provided. When the user holds the detector body 10, the hand passes through the holding belt 6 and holds the protective sleeve 1. The anti-slip rib 2 contacts the hand, improving the friction and preventing slipping.

[0032] Specifically, the bracket 7 is rotatably connected to the protective sleeve 1, and the locking button 8 is rotatably connected to the protective sleeve 1. The advantage is that the bracket 7 is provided. When the detector body 10 needs to be erected and placed, the locking button 8 is rotated to separate the bracket 7 from the locking button 8, and the bracket 7 is folded to an appropriate angle. The bracket 7 provides support for the detector body 10. When the detector body 10 needs to be hung and placed, the hanging ear 11 is hung on a protrusion such as a nail. When the detector body 10 needs to be adsorbed on a plane, the suction cup 5 is used to adsorb the detector body 10 on a smooth plane. There are multiple fixing methods, with a wide selection and very practical.

[0033] Specifically, the filtering component 13 includes a connecting pipe 1301, an installation hopper 1302, a first filtering layer 1303, a second filtering layer 1304, a locking ring 1305, a pressing net 1306 and a handle 1307. The upper end of the connecting pipe 1301 is fixedly connected to the installation hopper 1302. The first filtering layer 1303 is arranged inside the installation hopper 1302. The lower end of the first filtering layer 1303 is fixedly connected to the second filtering layer 1304. The locking ring 1305 is arranged at the upper end of the installation hopper 1302. The lower end of the locking ring 1305 is fixedly connected to the pressing net 1306. The upper end of the locking ring 1305 is fixedly connected to the handle 1307. The advantage is that the filtering component 13 is provided. When performing formaldehyde detection, dust and moisture in the sampled air are screened out to avoid affecting the detection result.

[0034] Embodiment 2: As Figures 2-6 shown, as an improvement over the previous embodiment.

[0035] Specifically, the installation hopper 1302 has a funnel-shaped structure. The first filtering layer 1303 is made of inorganic fiber filter cotton. The second filtering layer 1304 is made of a dioxide desiccant. The advantage is that when the sampled air passes through the filtering component 13, the first filtering layer 1303 of inorganic fiber filter cotton filters dust, and the second filtering layer 1304 of the dioxide desiccant absorbs moisture, improving the accuracy of the detection.

[0036] Specifically, the locking ring 1305 is threadedly connected to the installation hopper 1302, and the connecting pipe 1301 is threadedly connected to the detection pipe 12. The advantage is that the locking ring 1305 is provided. After the filtering component 13 is used for a period of time, pinch the handle 1307 and rotate to remove the locking ring 1305, and the first filtering layer 1303 and the second filtering layer 1304 can be replaced, which is convenient for replacement. When detecting, threadedly connect the connecting pipe 1301 and the detection pipe 12, and the assembly is convenient.

[0037] Specifically, the pressing net 1306 is made of 316 stainless steel mesh. The advantage is that the pressing net 1306 is made of 316 stainless steel mesh, providing limit and protection for the first filtering layer 1303 and the second filtering layer 1304.

[0038] Working principle: During detection, the connecting pipe 1301 is threadedly connected to the detection pipe 12. When the sampled air passes through the filter assembly 13, the first filter layer 1303 of the inorganic fiber filter cotton filters dust, and the second filter layer 1304 of the dioxide desiccant absorbs moisture, improving the accuracy of detection. After the filter assembly 13 has been used for a period of time, pinch the buckle 1307 and rotate to remove the locking ring 1305, and the first filter layer 1303 and the second filter layer 1304 can be replaced, which is convenient for replacement. During detection, the connecting pipe 1301 is threadedly connected to the detection pipe 12, and the assembly is convenient. When the detector body 10 is carried, tie the release belt 4 around the wrist to prevent the detector body 10 from falling during carrying. The holding belt 6 is provided. When the user holds the detector body 10, pass the hand through the holding belt 6 and hold the protective cover 1. The anti-slip ribs 2 contact the hand, increasing the friction force and preventing slipping, with strong portability. The bracket 7 is provided. When it is necessary to place the detector body 10 upright, rotate the locking button 8 to separate the bracket 7 from the locking button 8, and fold the bracket 7 to an appropriate angle. The bracket 7 provides support for the detector body 10. When it is necessary to hang and place the detector body 10, hang the hanging ear 11 on a protrusion such as a nail. When it is necessary to adsorb the detector body 10 on a plane, use the suction cup 5 to adsorb the detector body 10 on a smooth plane. There are multiple fixing methods with a wide selection, which is very practical.

[0039] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable formaldehyde detector, comprising a protective cover (1), characterized in that: An anti-slip rib (2) is provided on the outer side of the protective sleeve (1), a groove (3) is formed at the upper end of the protective sleeve (1), a release belt (4) is provided on the left side of the protective sleeve (1), a suction cup (5) is fixedly connected to the rear end of the protective sleeve (1), a grip belt (6) is fixedly connected to the rear end of the protective sleeve (1), a bracket (7) is provided at the rear end of the protective sleeve (1), a locking button (8) is provided at the rear end of the protective sleeve (1), a card slot (9) is fixedly connected to the right end of the protective sleeve (1), a detector body (10) is arranged inside the protective sleeve (1), a hanging ear (11) is fixedly connected to the upper end of the detector body (10), a detection tube (12) is arranged at the upper end of the detector body (10), and a filtering component (13) is provided on the right side of the protective sleeve (1).

2. The portable formaldehyde detector according to claim 1, characterized in that: The release belt (4) is connected to the protective sleeve (1) by tying, and the grip belt (6) is located at the lower part of the rear end of the protective sleeve (1).

3. A portable formaldehyde detector according to claim 1, characterized in that: The bracket (7) is rotatably connected to the protective sleeve (1), and the locking button (8) is rotatably connected to the protective sleeve (1).

4. A portable formaldehyde detector according to claim 1, characterized in that: The filtering component (13) includes a connecting pipe (1301), a mounting hopper (1302), a first filter layer (1303), a second filter layer (1304), a locking ring (1305), a pressing net (1306) and a buckle (1307). The upper end of the connecting pipe (1301) is fixedly connected to the mounting hopper (1302). The first filter layer (1303) is arranged inside the mounting hopper (1302). The lower end of the first filter layer (1303) is fixedly connected to the second filter layer (1304). The locking ring (1305) is arranged at the upper end of the mounting hopper (1302). The pressing net (1306) is fixedly connected to the lower end of the locking ring (1305). The buckle (1307) is fixedly connected to the upper end of the locking ring (1305).

5. The portable formaldehyde detector according to claim 4, characterized in that: The mounting hopper (1302) is in a funnel-shaped structure. The first filter layer (1303) is made of inorganic fiber filter cotton, and the second filter layer (1304) is made of silica desiccant.

6. The portable formaldehyde detector according to claim 5, characterized in that: The locking ring (1305) is threadedly connected to the mounting hopper (1302), and the connecting pipe (1301) is threadedly connected to the detection tube (12).

7. A portable formaldehyde detector according to claim 6, characterized in that: The pressing net (1306) is made of 316 stainless steel mesh.

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