Air detection sampling device for radiation laboratory

Abstract

The utility model relates to the technical field of air sampling, in particular to a radiation laboratory air detection sampling device which comprises an air collection bottle, the air collection bottle is arranged inside an air bottle collection box, the inner surface of the air collection bottle is fixedly connected with the surface of a rubber disc, and the top surface of the rubber disc is provided with an air hole; the air detecting and sampling device for the radiation laboratory has the beneficial effects that the output pipe of the air extracting pump body is sleeved on the surface of the input port of the air collecting bottle, so that the pressing rod is pressed and contracted into the air collecting bottle, and the rubber sealing plug is separated from the interior of the air hole; the air pump body conveys the collected air into the air collection bottle for storage, so that when the output pipe of the air pump body is separated from the input port of the air collection bottle, the rubber sealing plug is pushed to be plugged into the air hole through the elastic force of the reset spring to play a sealing role; therefore, air collected in the air collection bottle cannot leak.

Description

Technical Field

[0001] The utility model relates to the technical field of air sampling, in particular to an air detection sampling device for a radiation laboratory. Background Art

[0002] Air testing refers to the testing of the components of air. In a narrow sense, air testing is mainly from an application perspective, with the focus on indoor air testing. It refers to the release of harmful substances contained in indoor decorative materials, furniture, etc. into home and office environments to cause decoration pollution, to detect air quality.

[0003] However, in the prior art, most air sampling devices are sampling bottles, which store the extracted air by injecting it into the sampling bottle through a vacuum pump. However, after the air sampling work is completed, the air inside the sampling bottle is prone to leakage after being left for a long time.

[0004] Therefore, we need a radiation laboratory air detection sampling device to solve the problem of existing gas bottle seal leakage, and also to achieve sealed storage of gas bottles. Utility Model Content

[0005] The utility model aims to provide a radiological laboratory air detection sampling device to solve the problem of air leakage in the existing gas sampling bottles mentioned in the above background technology, and also to realize the sealed storage of the gas sampling bottles.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a radiation laboratory air detection sampling device, comprising an air collection bottle, wherein the air collection bottle is arranged inside a gas bottle collection box, the inner surface of the air collection bottle is fixedly connected to the surface of a rubber disc, the top surface of the rubber disc is provided with an air vent, the surface of the air vent is movably connected to the surface of a rubber sealing plug, the top surface of the rubber sealing plug is fixedly connected to the bottom end of a pressure rod, the bottom surface of the rubber sealing plug is fixedly connected to the top surface of a limiting rod, the surface of the limiting rod is movably connected to the surface of an air inlet hole, the air inlet hole is arranged on the top surface of a fixed disk, the surface of the fixed disk is fixedly connected to the inner surface of the air collection bottle, a reset spring is sleeved on the surface of the limiting rod, and an air pump body is arranged on the top surface of a support plate of an air pump support frame.

[0007] Preferably, the column surface of the air pump support frame is fixedly connected to the inner ring surface of the fixing ring, and the side surface of the fixing ring is fixedly connected to the side surface of the gas cylinder collection box.

[0008] Preferably, the interior of the gas cylinder collection box is movably connected to the outer surface of the gas cylinder stabilizing plate, a gas cylinder mounting hole is provided on the top surface of the gas cylinder stabilizing plate, and the surface of the gas cylinder mounting hole is movably connected to the surface of the air collection bottle.

[0009] Preferably, the gas cylinder mounting hole completely penetrates the top surface of the gas cylinder stabilizing plate, and there are two gas cylinder mounting holes, and the two gas cylinder mounting holes are symmetrically arranged along the center point of the gas cylinder stabilizing plate.

[0010] Preferably, the air holes completely penetrate the top surface of the rubber disc, and the cross section of the air holes is arranged in an "isosceles trapezoidal" shape.

[0011] Preferably, the center points of the rubber disc and the fixed disc are arranged on the same vertical line.

[0012] Compared with the prior art, the beneficial effect of the utility model is as follows: by fixing the surfaces of the rubber disc and the fixed disc to the inner wall surface of the air collecting bottle, when the output tube of the vacuum pump body is sleeved on the surface of the input port of the air collecting bottle, the pressure rod is pressed and contracted to the inside of the air collecting bottle, so that the rubber sealing plug is separated from the inside of the air vent, so that the vacuum pump body transports the collected gas to the inside of the air collecting bottle for storage, so that when the output tube of the vacuum pump body is separated from the input port of the air collecting bottle, the elastic force of the return spring pushes the rubber sealing plug into the inside of the air vent to play a sealing role, so that the air collected inside the air collecting bottle will not leak; it further solves the problem of air leakage in the existing gas collection bottle sealing, and can also achieve sealed storage of the gas collection bottle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a three-dimensional schematic diagram of the gas cylinder collection box of the utility model structure;

[0015] Figure 3 It is a cross-sectional stereoscopic schematic diagram of the air collection bottle structure of the utility model.

[0016] In the figure: air pump support frame 1, vacuum pump body 2, fixing ring 3, gas cylinder collection box 4, gas cylinder mounting hole 5, gas cylinder stabilizing plate 6, air collection bottle 7, rubber disc 8, air vent 9, pressure rod 10, rubber sealing plug 11, limit rod 12, reset spring 13, air inlet 14, fixing plate 15. DETAILED DESCRIPTION

[0017] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.

[0018] Embodiment 1

[0019] See also Figure 1-Figure 3 The utility model provides a technical solution: a radiological laboratory air detection sampling device, comprising an air collection bottle 7, the air collection bottle 7 is arranged inside a gas bottle collection box 4, the inner surface of the air collection bottle 7 is fixedly connected to the surface of a rubber disc 8, the top surface of the rubber disc 8 is provided with an air vent 9, the surface of the air vent 9 is movably connected to the surface of a rubber sealing plug 11, the top surface of the rubber sealing plug 11 is fixedly connected to the bottom end of a pressure rod 10, the bottom surface of the rubber sealing plug 11 is fixedly connected to the top surface of a limiting rod 12, the surface of the limiting rod 12 is movably connected to the surface of an air inlet 14, the air inlet 14 is arranged on the top surface of a fixed disk 15, the surface of the fixed disk 15 is fixedly connected to the inner surface of the air collection bottle 7, a reset spring 13 is sleeved on the surface of the limiting rod 12, an air pump The vacuum pump body 2 is arranged on the top surface of the support plate of the support frame 1. The surfaces of the rubber disc 8 and the fixed disc 15 are fixedly connected to the inner wall surface of the air collecting bottle 7. When the output pipe of the vacuum pump body 2 is sleeved on the surface of the input port of the air collecting bottle 7, the pressure rod 10 is pressed and contracted to the inside of the air collecting bottle 7, so that the rubber sealing plug 11 is separated from the inside of the air vent 9, so that the vacuum pump body 2 transports the collected gas to the inside of the air collecting bottle 7 for storage, so that when the output pipe of the vacuum pump body 2 is separated from the input port of the air collecting bottle 7, the rubber sealing plug 11 is pushed into the inside of the air vent 9 by the elastic force of the reset spring 13 to play a sealing role, so that the air collected in the air collecting bottle 7 will not leak.

[0020] Embodiment 2

[0021] See attached Figures 1 to 3 On the basis of the first embodiment, in order to support the gas cylinder collection box 4, the column surface of the gas pump support frame 1 is fixedly connected to the inner ring surface of the fixing ring 3, and the side surface of the fixing ring 3 is fixedly connected to the side surface of the gas cylinder collection box 4;

[0022] The surface of the air pump support frame 1 is fixedly connected to the inner ring surface of the fixing ring 3 , and the side surface of the fixing ring 3 is fixedly connected to the surface of the gas cylinder collecting box 4 , thereby supporting and stabilizing the gas cylinder collecting box 4 .

[0023] Embodiment 3

[0024] See attached Figures 1 to 3 On the basis of the second embodiment, in order to realize the supporting and stabilizing effect on the air collection bottle 7, the inside of the gas cylinder collection box 4 is movably connected to the outer surface of the gas cylinder stabilizing plate 6, the top surface of the gas cylinder stabilizing plate 6 is provided with a gas cylinder mounting hole 5, and the surface of the gas cylinder mounting hole 5 is movably connected to the surface of the air collection bottle 7;

[0025] By movably connecting the surface of the gas cylinder stabilizing plate 6 to the interior of the gas cylinder collecting box 4, and movably connecting the surface of the gas cylinder mounting hole 5 to the surface of the air collecting bottle 7, the air collecting bottle 7 is supported and stabilized through the gas cylinder mounting hole 5, and the air collecting bottle 7 can be stored and stabilized after the air inside the air collecting bottle 7 is collected.

[0026] In actual use, by fixing the surfaces of the rubber disc 8 and the fixed disc 15 to the inner wall surface of the air collection bottle 7, when the output tube of the vacuum pump body 2 is sleeved on the surface of the input port of the air collection bottle 7, the pressure rod 10 is pressed and contracted to the inside of the air collection bottle 7, so that the rubber sealing plug 11 is separated from the inside of the air vent 9, so that the vacuum pump body 2 transports the collected gas to the inside of the air collection bottle 7 for storage, so that when the output tube of the vacuum pump body 2 is separated from the input port of the air collection bottle 7, the elastic force of the return spring 13 pushes the rubber sealing plug 11 into the air vent 9. It plays a sealing role inside, so the air collected inside the air collection bottle 7 will not leak, by fixing the surface of the air pump support frame 1 to the inner ring surface of the fixing ring 3, and fixing the side surface of the fixing ring 3 to the surface of the gas cylinder collecting box 4, so as to support and stabilize the gas cylinder collecting box 4, by movably connecting the surface of the gas cylinder stabilizing plate 6 to the inside of the gas cylinder collecting box 4, and movably connecting the surface of the gas cylinder mounting hole 5 to the surface of the air collection bottle 7, so as to support and stabilize the air collection bottle 7 through the gas cylinder mounting hole 5, and when the air inside the air collection bottle 7 is collected, it can be stored and stabilized.

[0027] 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 radiation laboratory air detection sampling device, comprising an air sampling bottle (7), characterized in that: The air collection bottle (7) is arranged inside the gas bottle collection box (4); the inner surface of the air collection bottle (7) is fixedly connected to the surface of the rubber disc (8); the top surface of the rubber disc (8) is provided with an air vent (9); the surface of the air vent (9) is movably connected to the surface of the rubber sealing plug (11); the top surface of the rubber sealing plug (11) is fixedly connected to the bottom end of the pressure rod (10); the bottom surface of the rubber sealing plug (11) is fixedly connected to the top surface of the limiting rod (12); the surface of the limiting rod (12) is movably connected to the surface of the air inlet hole (14); the air inlet hole (14) is arranged on the top surface of the fixing plate (15); the surface of the fixing plate (15) is fixedly connected to the inner surface of the air collection bottle (7); the reset spring (13) is sleeved on the surface of the limiting rod (12); and the air pump body (2) is arranged on the top surface of the support plate of the air pump support frame (1).

2. The radiation laboratory air detection sampling device according to claim 1 is characterized in that: The column surface of the air pump support frame (1) is fixedly connected to the inner ring surface of the fixing ring (3), and the side surface of the fixing ring (3) is fixedly connected to the side surface of the gas cylinder collection box (4).

3. The radiation laboratory air detection sampling device according to claim 1 is characterized in that: The interior of the gas cylinder collection box (4) is movably connected to the outer surface of the gas cylinder stabilizing plate (6), the top surface of the gas cylinder stabilizing plate (6) is provided with a gas cylinder mounting hole (5), and the surface of the gas cylinder mounting hole (5) is movably connected to the surface of the air collection bottle (7).

4. The radiation laboratory air detection sampling device according to claim 3 is characterized in that: The gas cylinder mounting hole (5) completely penetrates the top surface of the gas cylinder stabilizing plate (6), the number of gas cylinder mounting holes (5) is two, and the two gas cylinder mounting holes (5) are symmetrically arranged along the center point of the gas cylinder stabilizing plate (6).

5. The radiation laboratory air detection sampling device according to claim 1 is characterized in that: The vent hole (9) completely penetrates the top surface of the rubber disc (8), and the cross section of the vent hole (9) is an "isosceles trapezoidal" arrangement.

6. The radiation laboratory air detection sampling device according to claim 1 is characterized in that: The center points of the rubber disc (8) and the fixed disc (15) are arranged on the same vertical line.

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