A dryer for detecting formaldehyde emission

Abstract

The utility model discloses a drying apparatus for formaldehyde release amount detects, including jar body and jar cover, jar body top sets up jar cover, the top of support frame is overlapped with support frame assembly, and support frame assembly includes support frame body, and support frame body is inverted "U" character shape, and the one side of support frame body top end is provided with the clamping groove, and the two extension ends on support frame body bottom are installed respectively first support ring and second support ring, and second support ring is located first support ring inside, still include fixed component, and fixed component includes support rod, and support rod is inverted "A" character shape, and the two extension ends of support rod top are installed respectively pivot and snap ring, and pivot is installed in second support ring top, and snap ring is connected and is set up on first support ring. Through support frame assembly, first support ring, second support ring and fixed component cooperation, can according to the thickness of different sample size adjustment and limit, expand the application scope of drying apparatus, reduced because sample thickness is not suitable and needs to replace the situation of detection support.

Description

TECHNICAL FIELD

[0001] The utility model relates to formaldehyde detection technical field especially relates to a kind of dryers for formaldehyde release amount detection. BACKGROUND

[0002] Formaldehyde is a common indoor air pollutant, which has potential harm to human health. When detecting the formaldehyde release amount, the sample needs to be placed in a dryer to remove the moisture in the sample and ensure the accuracy of the test results. The formaldehyde detection method using a dryer is mainly based on the property of formaldehyde being easily soluble in water. By detecting the formaldehyde concentration in the water in the dryer, the formaldehyde content volatilized from the sample in the dryer can be inferred. A dryer is needed when performing formaldehyde detection work.

[0003] The existing detection support structure of the dryer is fixed and cannot be adjusted in size and limited in position according to the thickness of different samples. It can only be used for samples within a certain thickness range, and cannot effectively detect samples with a thickness beyond the range, limiting its application scope. SUMMARY

[0004] The utility model provides a kind of dryers for formaldehyde release amount detection, by support frame assembly, first support ring, second support ring and fixed assembly cooperation, it can be adjusted in size and limited in position according to the thickness of different samples, expand the application scope of the dryer.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of dryers for formaldehyde release amount detection, including jar body and jar cover, jar body top is provided with jar cover, jar body inner wall bottom is placed with crystallizing dish, jar body inside is overlapped with support frame, support frame top is overlapped with support frame assembly, support frame assembly includes support frame body, support frame body is inverted "U" shape, support frame body top one side is provided with clamping groove, the two extension ends on the bottom of support frame body are respectively installed with first support ring and second support ring, second support ring is located inside first support ring;

[0007] It further includes a fixing assembly, which includes a support rod and an adjusting rod. The support rod is in the shape of "A". Two extension ends at the top of the support rod are respectively installed with a rotating shaft and a clasp. The rotating shaft is installed at the top of the second support ring, and the clasp is sleeved and arranged on the first support ring. An adjusting slot is formed at the top end of the support rod. The adjusting rod is slidingly fitted in the adjusting slot. A spring is arranged at one side of the top of the adjusting rod. One end of the spring is installed with a clamping rod. Four limiting rods are arranged around the outside of the spring at the top end of the adjusting rod. One end of the limiting rod is overlapped outside the clamping rod.

[0008] Preferably, the tank body is a tank with an open top, and the inner wall of the tank body is provided with an annular protruding end in the middle; the support frame is disc-shaped, and a plurality of air holes are formed in the support frame; the bottom of the support frame is abutted on the protruding end; and the crystallizing dish is located below the support frame.

[0009] Preferably, the first support ring and the second support ring are both annular, the bottom end of the extended end of the support frame body installed on the first support ring penetrates the first support ring and is abutted on one side of the top surface of the support frame, and the first support ring is connected to the support frame through the support frame assembly.

[0010] Preferably, the number of the support frame assembly and the fixing assembly is six, the six support frame assemblies and the fixing assemblies are staggered on the first support ring, the clamping rod is in the shape of 'L', and the size of the bottom of the extended end of one side of the clamping rod matches the size of the opening of the clamping groove.

[0011] Preferably, one extended end of the bottom of the support rod is rotationally connected to the second support ring through a rotating shaft, and the other extended end of the bottom of the support rod is installed on the first support ring through a clamping ring, and the support rod can move on the first support ring around the rotating shaft.

[0012] Preferably, the adjusting rod is connected to the clamping rod through a spring, and the extended end of the clamping rod is arranged towards the opening direction of the clamping groove.

[0013] The utility model has the following beneficial effects:

[0014] The utility model discloses the support frame assembly, the first support ring, the second support ring and the fixing assembly cooperate, can according to the thickness of different sample size adjustment and limit, expand the application range of the dryer, reduce the situation that needs to replace the detection support because of the sample thickness is inappropriate, improve work efficiency and the convenience of operation, have stronger universality, and ensure that the sample keeps stable in the detection process, reduce displacement, improve the accuracy of detection result, avoid that the sample is excessively extruded or damaged in the detection process, protect the integrity of sample. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the dryer;

[0016] Figure 2 It is the internal structure schematic diagram of the dryer;

[0017] Figure 3 It is the structural schematic diagram of the support frame assembly, the first support ring, the second support ring and the fixing assembly;

[0018] Figure 4 It is the structural schematic diagram of the fixing assembly.

[0019] In the figure: 1, the tank body; 2, the tank cover; 3, the crystallizing dish; 4, the support frame; 5, the support frame assembly; 501, the support frame body; 502, the clamping groove; 6, the first support ring; 7, the second support ring; 8, the fixing assembly; 801, the support rod; 802, the rotating shaft; 803, the snap ring; 804, the adjusting rod; 805, the spring; 806, the clamping rod; 807, the limiting rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Referring to Figures 1-4 A dryer for formaldehyde emission detection, including tank body 1 and tank cover 2, tank body 1 top is provided with tank cover 2, tank body 1 inner wall bottom is placed with crystallizing dish 3, crystallizing dish 3 is used to collect the formaldehyde gas released by sample, and crystallization is generated through chemical reaction, so as to subsequent detection and analysis, tank body 1 inside lap has support frame 4, tank body 1 inner wall middle part is provided with annular convex end, support frame 4 is discoid, support frame 4 is provided with a plurality of air holes, the role of support frame 4 is to support and fix sample, so that it keeps stable during detection, air hole can guarantee the circulation of gas, ensure that formaldehyde gas can smoothly enter crystallizing dish 3, support frame 4 bottom is abutted on convex end, crystallizing dish 3 is located below support frame 4, support frame 4 top lap has support frame assembly 5, support frame assembly 5 includes support frame body 501, support frame body 501 is inverted " U " character, support frame body 501 top end one side is provided with clamping groove 502, support frame body 501 bottom two extension ends are respectively installed with first support ring 6 and second support ring 7, second support ring 7 is located inside first support ring 6, when using the dryer to detect formaldehyde emission, first, the sample to be detected is placed between fixing assembly 8 and support frame assembly 5, then support frame assembly 5 is placed on support frame 4, then crystallizing dish 3 is placed below support frame 4, ensure that it can collect the formaldehyde gas released by sample, finally, tank cover 2 is covered on tank body 1, ensure the sealing property of dryer;

[0022] The fixing assembly 8 comprises a support rod 801 and an adjusting rod 804, the support rod 801 is in the shape of "A", two extended ends at the top of the support rod 801 are respectively provided with a rotating shaft 802 and a clasp ring 803, the rotating shaft 802 is installed on the top of the second supporting ring 7, the clasp ring 803 is sleeved on the first supporting ring 6, one extended end at the bottom of the support rod 801 is rotatably connected to the second supporting ring 7 through the rotating shaft 802, the other extended end at the bottom of the support rod 801 is sleeved and installed on the first supporting ring 6 through the clasp ring 803, the support rod 801 can move on the first supporting ring 6 around the rotating shaft 802, an adjusting groove is formed at the top end of the support rod 801, the adjusting rod 804 is slidably fitted in the adjusting groove, a spring 805 is arranged at one side of the top of the adjusting rod 804, one end of the spring 805 is provided with a clamping rod 806, four limiting rods 807 are arranged at the top of the adjusting rod 804 and surround the outside of the spring 805, one end of each limiting rod 807 is overlapped on the outside of the clamping rod 806, the clamping rod 806 is limited and fixed through the limiting rods 807, so as to avoid large deviation of the clamping rod 806, and the bottom extended end of the clamping rod 806 is inserted into the clamping groove 502 according to the thickness of the sample, so as to fix the sample;

[0023] The number of the support frame assembly 5 and the fixing assembly 8 is six, the six support frame assemblies 5 and the fixing assemblies 8 are staggered on the first supporting ring 6, the clamping rod 806 is in the shape of "L", the adjusting rod 804 is connected to the clamping rod 806 through the spring 805, the spring 805 provides a certain elastic force, so that the clamping rod 806 can move within a certain range, so as to adapt to samples with different thicknesses, the extended end of the clamping rod 806 is arranged towards the opening direction of the clamping groove 502, the size of the bottom of the extended end of one side of the clamping rod 806 matches the size of the opening of the clamping groove 502, so as to ensure that the clamping rod 806 can be smoothly inserted into the clamping groove 502, to ensure the firmness and stability of clamping, and to prevent the clamping rod 806 from accidentally falling off during use, during use, the operator can adjust the position of the clamping rod 806 according to actual needs, to adapt to samples with different sizes and shapes;

[0024] When using the device, first place the device at the designated working position, through the cooperation of the support frame assembly 5, the first supporting ring 6, the second supporting ring 7 and the fixing assembly 8, the size can be adjusted and limited according to the thickness of different samples, the application range of the dryer is expanded, the situation that the detection support needs to be replaced due to unsuitable sample thickness is reduced, the work efficiency and the operation convenience are improved, the device has stronger universality, and the sample can be kept stable during detection, the displacement is reduced, the accuracy of the detection result is improved, the sample is prevented from being excessively pressed or damaged during detection, and the integrity of the sample is protected.

[0025] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A dryer for formaldehyde emission test, comprising a tank body (1) and a tank cover (2), characterized in that: The tank body (1) top is provided with a tank cover (2), the tank body (1) inner wall bottom is placed with a crystallizing dish (3), the tank body (1) inside lap joint has a support frame (4), the support frame (4) top lap joint has a support frame assembly (5), the support frame assembly (5) includes support frame body (501), the support frame body (501) is inverted "U" shape, the support frame body (501) top end one side is provided with a clamping groove (502), the support frame body (501) bottom two extension ends are respectively installed with first support ring (6) and second support ring (7), the second support ring (7) is located inside the first support ring (6); It also includes a fixing assembly (8), the fixing assembly (8) includes a support rod (801) and an adjusting rod (804), the support rod (801) is "A" shape, the support rod (801) top two extension ends are respectively installed with a rotating shaft (802) and a clamping ring (803), the rotating shaft (802) is installed on the second support ring (7) top, the clamping ring (803) is sleeved on the first support ring (6), the support rod (801) top end is provided with an adjusting slot, the adjusting rod (804) is slidingly fitted in the adjusting slot, the adjusting rod (804) top one side is provided with a spring (805), one end of the spring (805) is provided with a clamping rod (806), the adjusting rod (804) top is provided with four limit rods (807) around the outside of the spring (805), one end of the limit rod (807) is lap joint outside the clamping rod (806).

2. The dryer for detecting the amount of formaldehyde release according to claim 1, characterized by: The tank body (1) is a top opening tank, the tank body (1) inner wall middle part is provided with a ring-shaped convex end, the support frame (4) is disc-shaped, a plurality of air holes are formed in the support frame (4), the support frame (4) bottom is abutted on the convex end, and the crystallizing dish (3) is below the support frame (4).

3. The dryer for detecting the amount of formaldehyde release according to claim 1, characterized in that: The first support ring (6) and the second support ring (7) are both annular, the extension end bottom of the support frame body (501) installed on the first support ring (6) penetrates the first support ring (6) and is abutted on one side of the top surface of the support frame (4), and the first support ring (6) is connected with the support frame (4) through the support frame assembly (5).

4. The dryer for detecting the amount of formaldehyde release according to claim 3, wherein: The number of the support frame assembly (5) and the fixing assembly (8) is six, and the six support frame assemblies (5) and the fixing assemblies (8) are staggered on the first support ring (6), the clamping rod (806) is "L" shape, and the size of the bottom of the extension end on one side of the clamping rod (806) matches the opening size of the clamping groove (502).

5. The dryer for detecting the amount of formaldehyde release according to claim 4, wherein: The bottom of one extension end of the support rod (801) is rotatably connected to the second support ring (7) through the rotating shaft (802), the other extension end of the bottom of the support rod (801) is sleeved and installed on the first support ring (6) through the clamping ring (803), and the support rod (801) can move on the first support ring (6) around the rotating shaft (802).

6. The dryer for detecting the amount of formaldehyde release according to claim 5, wherein: The adjusting rod (804) is connected with a clamping rod (806) through a spring (805), and the extending end of the clamping rod (806) is arranged in the opening direction of the clamping groove (502).

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