Multi-group sampling device for formaldehyde detection

Abstract

The utility model discloses a multi-group sampling device for formaldehyde detection. The multi-group sampling device comprises a device main body, a sampling assembly and a fixing assembly, the device body comprises a sampler at the upper end and a support installed at the bottom of the sampler. According to the multi-group sampling device for formaldehyde detection, the T-shaped pipe is connected between the bubble output bottle and the bubble absorption bottle at the upper end of the sampler, and the adjusting rod which is driven by the electric push rod and is positioned in the T-shaped pipe can be regularly started through the timer, so that the first air inlet, the second air inlet and the third air inlet at the upper end of the adjusting rod are regularly switched; therefore, air is fed into a plurality of groups of bubble absorption bottles at the upper end of the sampler at regular time so as to perform multi-group sampling of the sampler, so that the detection accuracy is improved through multi-group sampling, errors and uncertainty are reduced, and the reliability of a detection result is ensured, and meanwhile, clamping plates connected with two sides of a fixing plate through binding rods can also be clamped and fixed at the top of the sampler, so that the sampling accuracy is improved. Therefore, the stability of the adjusting rod in the T-shaped pipe during movement and adjustment is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to formaldehyde detection device technical field, specifically to a plurality of sampling devices for formaldehyde detection. BACKGROUND

[0002] Formaldehyde detection sampling device is used for collecting air sample to detect formaldehyde concentration therein, and is mainly used for detecting indoor environment in family, work etc.

[0003] The existing formaldehyde detection sampling device, such as the formaldehyde detection sampling device disclosed in publication no. CN220453315U, although the tripod at the bottom of the sampler has scalability and can facilitate personnel to carry the device, but the sampler is inconvenient to connect and install multiple bubble absorption bottles on the top of the sampler for multiple sampling, thereby reducing the error and uncertainty in sampling, therefore, we propose a plurality of sampling devices for formaldehyde detection. UTILITY MODEL CONTENT

[0004] The utility model aims at solving one of the technical problems in the prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme that:

[0006] A plurality of sampling devices for formaldehyde detection, comprising: device main body, sampling assembly, fixed assembly, device main body includes the sampler of upper end, the support installed at the bottom of the sampler, sampling assembly includes the bubble output bottle movably installed at one side of the top of the sampler, the T type pipe movably installed at one side of the bubble output bottle, the middle output pipe and the side output pipe connected at one end of the T type pipe respectively, the bubble absorption bottle movably installed at the outer end of the middle output pipe and the side output pipe, the adjusting rod movably installed in the T type pipe, the electric push rod fixedly installed outside the adjusting rod, the fixed plate fixedly installed at the bottom of the T type pipe and the electric push rod, the flow cavity formed in the middle of the adjusting rod, the first air inlet and the exhaust port respectively formed at both sides of the middle of the flow cavity, the fixed assembly includes the restraint cavity formed at both sides in the fixed plate, the restraint rod movably installed in the restraint cavity, and the clamping plate fixedly installed at the outer end of the restraint rod.

[0007] Preferably, the flow cavity is provided with a second air inlet and a third air inlet at both sides.

[0008] Preferably, the fixed plate is further provided with a timer and a power supply fixedly installed at the upper end, and the power supply and the electric push rod are electrically connected with the timer.

[0009] Preferably, the fixed plate is further provided with a reserved port at the bottom center.

[0010] Preferably, the outer end of the binding rod in the binding cavity is sleeved with a spring.

[0011] By adopting the technical scheme, the utility model has the beneficial effects:

[0012] 1、 the utility model discloses, the T -shaped pipe that connects between the bubble output bottle and the bubble absorption bottle of the upper end of sampler can be started by the electric push rod drive of the adjusting rod in the T -shaped pipe through the timer timing, thereby the first air inlet, the second air inlet and the third air inlet of the adjusting rod upper end are switched in time, thereby the multiple groups of bubble absorption bottles in the upper end of sampler are in time to carry out the air inlet, and the multiple groups of sampling of sampler are carried out, thereby the accuracy of detection is improved through the multiple groups of sampling, to reduce error and uncertainty, guarantee the reliability of detection result;

[0013] 2、 the utility model discloses, the clamping plate that the both sides of fixed plate are connected through the binding rod, also can be clamped and fixed in the top of sampler, thereby guarantee the stability in the movement adjustment of adjusting rod in T -shaped pipe. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structural drawing of the utility model;

[0015] Figure 2 It is the dismounting drawing of the fixed plate of the utility model sampler;

[0016] Figure 3 It is the structural drawing of the fixed plate of the utility model;

[0017] Figure 4 It is the transverse sectional view of the T -shaped pipe of the utility model;

[0018] Figure 5 It is the structural drawing of the adjusting rod of the utility model;

[0019] Figure 6 It is another view drawing of the adjusting rod of the utility model;

[0020] Figure 7 It is the transverse sectional view of the fixed plate of the utility model.

[0021] REFERENCE SIGNS:

[0022] 100, device main body;101, sampler;102, support;

[0023] 200, sampling assembly; 201, bubble output bottle; 202, T-shaped tube; 203, middle output tube; 204, side output tube; 205, bubble absorption bottle; 206, adjusting rod; 207, electric push rod; 208, fixing plate; 209, flow cavity; 210, first air inlet; 211, exhaust port; 212, second air inlet; 213, third air inlet; 214, timer; 215, power supply; 216, reserved port;

[0024] 300, fixing assembly; 301, binding cavity; 302, binding rod; 303, clamping plate; 304, spring. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clear and apparent, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0026] Some embodiments of the utility model are described below in combination with the drawings to provide a multi-group sampling device for formaldehyde detection.

[0027] Embodiment one:

[0028] In combination with Figures 1-6 the drawings, the utility model provides a multi-group sampling device for formaldehyde detection, which comprises: a device main body 100, a sampling assembly 200 and a fixing assembly 300. The device main body 100 comprises a sampler 101 at the upper end and a support 102 installed at the bottom of the sampler 101. The sampling assembly 200 comprises a bubble output bottle 201 movably installed at one side of the top of the sampler 101, a T-shaped tube 202 movably installed at one side of the bubble output bottle 201, a middle output tube 203 and a side output tube 204 connected to the central and both sides of one end of the T-shaped tube 202 respectively, a bubble absorption bottle 205 movably installed at the outer end of the middle output tube 203 and the side output tube 204, an adjusting rod 206 movably installed in the T-shaped tube 202, an electric push rod 207 fixedly installed outside the adjusting rod 206, a fixing plate 208 fixedly installed at the bottom of the T-shaped tube 202 and the electric push rod 207, a flow cavity 209 formed in the middle of the adjusting rod 206, a first air inlet 210 and an exhaust port 211 respectively formed through the middle and both sides of the flow cavity 209, a second air inlet 212 and a third air inlet 213 respectively formed through the both sides of the flow cavity 209, a timer 214 and a power supply 215 fixedly installed at the upper end of the fixing plate 208, and an electric connection between the power supply 215 and the electric push rod 207 and the timer 214, and a reserved port 216 arranged at the central bottom of the fixing plate 208.

[0029] Specifically, the formaldehyde detection sampling device is a device for collecting air samples to detect the formaldehyde concentration therein; the T-shaped pipe 202 connected between the bubble output bottle 201 at the upper end of the sampler 101 and the plurality of bubble absorption bottles 205 can drive the adjusting rod 206 in the T-shaped pipe 202 through the timer 214 to start the electric push rod 207 at a regular time, so as to regularly switch the first air inlet 210, the second air inlet 212 and the third air inlet 213 at the upper end of the adjusting rod 206, so as to regularly supply air to the plurality of bubble absorption bottles 205 at the upper end of the sampler 101 to perform a plurality of samplings of the sampler 101, so as to improve the accuracy of detection through the plurality of samplings to reduce errors and uncertainties, and ensure the reliability of the detection result; when the adjusting rod 206 in the T-shaped pipe 202 is not adjusted, the first air inlet 210 at the central part of the adjusting rod 206 and the air outlet 211 are kept in communication, so as to supply air to the bubble absorption bottle 205 at the middle part through the middle output pipe 203; when the electric push rod 207 pushes the adjusting rod 206 to move forward, the second air inlet 212 is in communication with the air outlet 211, so as to supply air to the bubble absorption bottle 205 at the front part through the front side output pipe 204; conversely, when the electric push rod 207 pulls the adjusting rod 206 to move backward, the third air inlet 213 is in communication with the air outlet 211, so as to supply air to the bubble absorption bottle 205 at the rear part through the rear side output pipe 204; the timer 214 and the power supply 215 installed at the upper end of the fixed plate 208 are mainly used for the timing start of the electric push rod 207, so as to regularly complete the air supply of the three bubble absorption bottles 205; the reserved opening 216 formed at the central part of the fixed plate 208 is mainly used for the space reservation at the handle of the sampler 101 to prevent affecting the installation of the fixed plate 208.

[0030] Embodiment two:

[0031] In combination Figure 7 As shown in embodiment one, the fixed assembly 300 includes the restraint cavities 301 formed at both sides of the fixed plate 208, the restraint rods 302 movably installed in the restraint cavities 301, and the clamping plates 303 fixedly installed at the outer ends of the restraint rods 302.

[0032] Specifically, the clamping plates 303 connected to the fixed plate 208 through the restraint rods 302 and the springs 304 can also be clamped and fixed to the top of the sampler 101, so as to ensure the stability of the adjusting rod 206 in the T-shaped pipe 202 during movement and adjustment.

[0033] Working principle and use process of the utility model:

[0034] When the sampler 101 is used, first pull the clamping plates 303 on both sides of the fixed plate 208 to clamp and fix the fixed plate 208 at the top center of the sampler 101, after the fixed plate 208 is fixed, then sequentially connect the upper two sides of the T-shaped pipe 202 with the middle output pipe 203 and the side output pipe 204, and the bubble output bottle 201 and the multiple groups of bubble absorption bottles 205, at this time, start the sampler 101 and the timer 214, the gas output by the bubble output bottle 201 will pass through the first gas inlet 210 and the exhaust port 211 in the T-shaped pipe 202, and be transported to the bubble absorption bottle 205 in the middle through the middle output pipe 203 in the middle, to carry out the first group of sampling work, after the first group of sampling work is completed, the timer 214 will push the adjusting rod 206 in the T-shaped pipe 202 forward through the electric push rod 207, so that the first gas inlet 210 and the exhaust port 211 in the T-shaped pipe 202 form a flow channel with the front side output pipe 204, to carry out air intake for the front bubble absorption bottle 205, so as to carry out the second group of sampling work, after the second group of sampling work is completed, the timer 214 will move the adjusting rod 206 in the T-shaped pipe 202 backward through the electric push rod 207, so that the third gas inlet 213 and the exhaust port 211 in the T-shaped pipe 202 form a flow channel with the rear side output pipe 204, to carry out air intake for the rear bubble absorption bottle 205, so as to carry out the third group of sampling work.

[0035] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, the scope of the present application is defined by the claims and their equivalents.

Claims

1. A multi-group sampling device for formaldehyde detection, characterized in that, Include: Device body (100), sampling assembly (200), fixed assembly (300); The device body (100) comprises a sampler (101) at the upper end, and a support (102) mounted at the bottom of the sampler (101); The sampling assembly (200) comprises a bubble output bottle (201) movably mounted on one side of the top of the sampler (101), a T-shaped tube (202) movably mounted on one side of the bubble output bottle (201), a central output tube (203) and a side output tube (204) connected to one end of the T-shaped tube (202) respectively, a bubble absorption bottle (205) movably mounted at the outer end of the central output tube (203) and the side output tube (204), an adjusting rod (206) movably mounted in the T-shaped tube (202), an electric push rod (207) fixedly mounted on the outer side of the adjusting rod (206), a fixed plate (208) fixedly mounted at the bottom of the T-shaped tube (202) and the electric push rod (207), a flow cavity (209) formed in the middle of the adjusting rod (206), a first air inlet (210) and an exhaust port (211) respectively formed on both sides of the middle of the flow cavity (209); The fixed assembly (300) comprises a restraint cavity (301) formed on both sides in the fixed plate (208), a restraint rod (302) movably mounted in the restraint cavity (301), and a clamping plate (303) fixedly mounted on the outer end of the restraint rod (302).

2. The multi-set sampling device for formaldehyde detection according to claim 1, wherein The flow cavity (209) is also provided with a second air inlet (212) and a third air inlet (213) on both sides.

3. The multi-pack sampling device for formaldehyde detection according to claim 1, wherein The upper end of the fixed plate (208) is also provided with a timer (214) and a power supply (215), and the power supply (215) and the electric push rod (207) are electrically connected with the timer (214).

4. The multi-pack sampling device for formaldehyde detection according to claim 1, wherein The bottom center of the fixed plate (208) is also provided with a reserved port (216).

5. The multi-pack sampling device for formaldehyde detection according to claim 1, wherein The outer end of the restraint rod (302) in the restraint cavity (301) is also provided with a spring (304).

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