Adjustable gas detection collector

Abstract

The utility model relates to the technical field of gas detection collectors, in particular to an adjustable gas detection collector which comprises a machine body, and a gas inlet end of the machine body is provided with a gas inlet detection chamber; the sealing telescopic assembly comprises a first pipe body, the first pipe body is in threaded connection with the interior of the air inlet detection chamber, the other end of the first pipe body is in threaded connection with a first sealing cover, a second pipe body is inserted into the first sealing cover, one end of the second pipe body is in threaded connection with a second sealing cover, and the other end of the second pipe body is in threaded connection with the second sealing cover. And a third pipe body is inserted into the second sealing cover. Through the arrangement of the sealing telescopic assembly, the length of the air inlet pipe can be flexibly adjusted, meanwhile, the sealing effect can be effectively guaranteed, the accuracy of the air inlet position is ensured, the detection accuracy of different positions is improved, meanwhile, through the arrangement of the adjustable tightening belt on the back of the machine body, fingers can be elastically bound, and the detection accuracy is improved. And the handheld stability of the device is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas detection collector preparation technical field, concretely is a kind of adjustable gas detection collector. BACKGROUND

[0002] Gas detection collector is a kind of equipment for detecting and collecting specific gas species and its concentration in environment, its main function is to capture gas molecules by sensor, convert gas concentration into electrical signal, and provide for user by display device or transmission system, wherein portable gas detector is suitable for rapid detection in a variety of environments due to small size, light weight, easy to carry and use.

[0003] But the existing portable gas detector is mostly hand-held structure, its air inlet is mostly connected using fixed metal pipe, to realize the atmospheric detection of different area range, but the metal pipe cannot be adjusted in length, so that when it is used in longer range, multiple metal pipes need to be connected to extend the air inlet position, and the operation is cumbersome, and the traditional telescopic pipe is in tapered engagement structure, so that there is still gap between pipe and pipe in retracted state, and then when it is used for atmospheric detection in short range, it will extract the atmosphere in different positions, thereby affecting the detection accuracy. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of adjustable gas detection collector, to solve the problem that metal pipe cannot be adjusted in length in the background art described above, so that when it is used in longer range, multiple metal pipes need to be connected to extend the air inlet position, and the operation is cumbersome, and the traditional tapered telescopic rod has the problem of gas leakage.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of adjustable gas detection collector, comprising:

[0006] Machine body, the air inlet end of the machine body is provided with air inlet detection chamber;

[0007] Sealing telescopic component, the sealing telescopic component includes first pipe body, and first pipe body is screw-connected in the inside of air inlet detection chamber, another end of the first pipe body is screw-connected with first sealing cover, and the inside of first sealing cover is inserted with second pipe body, one end of the second pipe body is screw-connected with second sealing cover, and the inside of second sealing cover is inserted with third pipe body;

[0008] Air inlet head, the air inlet head is screw-connected in the end of third pipe body.

[0009] Preferably, the back of the machine body is fixedly connected with cover plate, and the inside of the cover plate is slidably provided with sliding block, and the outer wall of the sliding block is fixedly connected with tightening belt.

[0010] Preferably, the slider is in a convex structure, and a guide groove matching the slider is formed at the center line of the cover plate, and the thickness of the cover plate is equal to the thickness of the slider.

[0011] Preferably, the first pipe body, the second pipe body and the third pipe body are provided with external threads at both ends, a first sealing ring is threadedly connected to the end of the second pipe body away from the second sealing cover, and a second sealing ring is threadedly connected to the end of the third pipe body away from the air inlet head.

[0012] Preferably, the minimum inner diameter of the first sealing cover is equal to the outer diameter of the second pipe body, and a sealing gasket is arranged on the contact surface of the first sealing cover and the second pipe body, and the minimum inner diameter of the second sealing cover is equal to the outer diameter of the third pipe body, and a sealing gasket is arranged on the contact surface of the second sealing cover and the third pipe body.

[0013] Preferably, the outer diameter of the first sealing ring is equal to the inner diameter of the first pipe body, and a sealing gasket is arranged on the contact surface of the first sealing ring and the first pipe body, and the outer diameter of the second sealing ring is equal to the inner diameter of the second pipe body, and a sealing gasket is arranged on the contact surface of the second sealing ring and the second pipe body.

[0014] Preferably, the length of the third pipe body is greater than the length of the second pipe body, and the length of the second pipe body is greater than the length of the first pipe body.

[0015] Compared with the prior art, the utility model has the advantages that: the utility model through the setting of the sealing telescopic component, make its air inlet pipe length carry on the flexible adjustment, can effectively guarantee its sealing effect, ensure its air inlet position's accuracy, improve its detection precision in different positions, simultaneously through the setting of the adjustable tightening belt of machine body back, can carry out the elastic restraint to the finger, further improve the stability of device hand holding, avoid its slip and fall, improve its use safety. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the tightening belt distribution structure schematic view of the utility model;

[0018] Figure 3 It is the overall explosion structure schematic view of the utility model;

[0019] Figure 4 It is the sealing telescopic component explosion structure schematic view of the utility model;

[0020] Figure 5 It is the axial section structure schematic view of the sealing telescopic component of the utility model.

[0021] In the figure: 1, body; 11, air inlet detection chamber; 12, cover plate; 13, sliding block; 14, tightening belt; 2, sealing telescopic assembly; 21, first pipe body; 22, first sealing cover; 23, second pipe body; 24, second sealing cover; 25, first sealing ring; 26, third pipe body; 27, second sealing ring; 3, air inlet head. DETAILED DESCRIPTION

[0022] 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides an embodiment: a adjustable gas detection collector, including:

[0024] Body 1, the air inlet end of body 1 is provided with air inlet detection chamber 11;

[0025] Sealing telescopic assembly 2, sealing telescopic assembly 2 includes first pipe body 21, and first pipe body 21 is screw connected in the inside of air inlet detection chamber 11, and the other end of first pipe body 21 is screw connected with first sealing cover 22, and the inside of first sealing cover 22 is inserted with second pipe body 23, and one end of second pipe body 23 is screw connected with second sealing cover 24, and the inside of second sealing cover 24 is inserted with third pipe body 26;Air inlet head 3, air inlet head 3 is screw connected in the end of third pipe body 26, and the extension position of air inlet head 3 can be flexibly adjusted by the telescopic pulling of the structure, so that it can effectively adapt to different extension ranges for detection when being used.

[0026] Further, the back of body 1 is fixedly connected with cover plate 12, the inside of cover plate 12 is slidably provided with sliding block 13, the outer wall of sliding block 13 is fixedly connected with tightening belt 14, sliding block 13 is in convex letter type structure, and the middle line of cover plate 12 is provided with guide groove adapting sliding block 13, the thickness of cover plate 12 is equal to the thickness of sliding block 13, the tightening of user's fingers can be realized by the setting of tightening belt 14, thereby ensuring the stability of hand holding, and the position of tightening belt 14 is slidably adjusted by sliding block 13, further improving the adaptability and flexibility of the hand holding position.

[0027] Further, the two ends of the first pipe body 21, the second pipe body 23 and the third pipe body 26 are provided with external threads, the end of the second pipe body 23 away from the second sealing cover 24 is threadedly connected with the first sealing ring 25, the end of the third pipe body 26 away from the air inlet head 3 is threadedly connected with the second sealing ring 27, the minimum inner diameter of the first sealing cover 22 is equal to the outer diameter of the second pipe body 23, and the contact surface of the first sealing cover 22 and the second pipe body 23 is provided with a sealing gasket, the minimum inner diameter of the second sealing cover 24 is equal to the outer diameter of the third pipe body 26, and the contact surface of the second sealing cover 24 and the third pipe body 26 is provided with a sealing gasket, the outer diameter of the first sealing ring 25 is equal to the inner diameter of the first pipe body 21, and the contact surface of the first sealing ring 25 and the first pipe body 21 is provided with a sealing gasket, the outer diameter of the second sealing ring 27 is equal to the inner diameter of the second pipe body 23, and the contact surface of the second sealing ring 27 and the second pipe body 23 is provided with a sealing gasket, the length of the third pipe body 26 is greater than the length of the second pipe body 23, and the length of the second pipe body 23 is greater than the length of the first pipe body 21, the sealing property between the pipe bodies is ensured through mutual extrusion and contact of the sealing gaskets between the pipe bodies, so that the sealing effect between the pipe bodies can be ensured after length adjustment, the precision of the air extraction position is effectively ensured, and the detection precision of the device is ensured.

[0028] Working principle: The machine body 1 used in the application is a product that can be directly purchased on the market, the principle and connection mode thereof are prior art known by those skilled in the art, and thus will not be described herein again. In use, the machine body 1 is first operated by hand, and meanwhile, the fingers can be inserted into the inside of the tightening belt 14 to ensure the stability of the hand-held machine body 1. Further, the extension length of the air inlet head 3 is adjusted according to the position of the detected area, especially in small corners or gaps, the precision of the air extraction position is ensured through the adaptive length adjustment of the air inlet head 3, and thus the precision of atmospheric air collection and detection is improved.

[0029] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered exemplary and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. An adjustable gas detection collector, comprising: Include: The machine body (1), the air inlet end of the machine body (1) is provided with an air inlet detection chamber (11); The sealing telescopic assembly (2) comprises a first pipe body (21), and the first pipe body (21) is threadedly connected in the inside of the air inlet detection chamber (11), one end of the first pipe body (21) is threadedly connected with a first sealing cover (22), the inside of the first sealing cover (22) is inserted with a second pipe body (23), one end of the second pipe body (23) is threadedly connected with a second sealing cover (24), and the inside of the second sealing cover (24) is inserted with a third pipe body (26); The air inlet head (3) is threadedly connected at the end of the third pipe body (26).

2. The adjustable gas detection collector of claim 1, wherein: The back of the machine body (1) is fixedly connected with a cover plate (12), and the inside of the cover plate (12) is slidably provided with a sliding block (13), and the outer wall of the sliding block (13) is fixedly connected with a tightening belt (14).

3. An adjustable gas detection collector according to claim 2, wherein: The sliding block (13) is in a convex shape, and a guide groove matching the sliding block (13) is formed in the middle line of the cover plate (12), and the thickness of the cover plate (12) is equal to the thickness of the sliding block (13).

4. The adjustable gas detection collector of claim 1, wherein: Both ends of the first pipe body (21), the second pipe body (23) and the third pipe body (26) are provided with external threads, one end of the second pipe body (23) away from the second sealing cover (24) is threadedly connected with a first sealing ring (25), and one end of the third pipe body (26) away from the air inlet head (3) is threadedly connected with a second sealing ring (27).

5. The adjustable gas detection collector of claim 1, wherein: The minimum inner diameter of the first sealing cover (22) is equal to the outer diameter of the second pipe body (23), and a sealing gasket is arranged on the contact surface between the first sealing cover (22) and the second pipe body (23), and the minimum inner diameter of the second sealing cover (24) is equal to the outer diameter of the third pipe body (26), and a sealing gasket is arranged on the contact surface between the second sealing cover (24) and the third pipe body (26).

6. An adjustable gas detection collector according to claim 4, wherein: The outer diameter of the first sealing ring (25) is equal to the inner diameter of the first pipe body (21), and a sealing gasket is arranged on the contact surface between the first sealing ring (25) and the first pipe body (21), and the outer diameter of the second sealing ring (27) is equal to the inner diameter of the second pipe body (23), and a sealing gasket is arranged on the contact surface between the second sealing ring (27) and the second pipe body (23).

7. An adjustable gas detection collector according to claim 6, wherein: The length of the third pipe body (26) is greater than the length of the second pipe body (23), and the length of the second pipe body (23) is greater than the length of the first pipe body (21).

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