Poisonous gas monitoring detector

Abstract

The utility model discloses a detector for monitoring toxic gas, which relates to the technical field of gas detectors and comprises a detector body, the bottom end of the detector body is connected with a connecting column, a probe shell is mounted at the bottom of the connecting column, filter cotton is adhered to the top end in the probe shell, and a second connecting rod is mounted on the inner side of the probe shell. The second connecting rod is connected with the probe shell through a bearing, and the top of the second connecting rod is connected with a first connecting rod. According to the utility model, through the arrangement of the filter cotton, the scraping rod, the first connecting rod, the second connecting rod and the probe shell, people can adjust the overall length of the first connecting rod and the second connecting rod according to the air dust content degree of a monitored area, so that the clinging degree between the scraping rod and the filter cotton is adjustable; and impurities filtered on the surface of the filter cotton are scraped through the scraping rod, so that the filter cotton in the detector does not need to be replaced frequently, and the use effect of the detector is not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of gas detectors, in particular to a detector for monitoring toxic gases. Background Art

[0002] With the development of science and technology, various types of detectors have emerged, including detectors for monitoring toxic gases such as carbon monoxide, sulfur dioxide, methane, acetylene, etc., which are widely used in various petroleum, petrochemical, and chemical production equipment areas; municipal administration, fire protection, gas, telecommunications, coal, metallurgy, electricity, medicine, food processing and other places where toxic and harmful gases exist.

[0003] Existing toxic gas detectors require filter materials when gas is input during use, but the filter materials cannot be cleaned in the device, resulting in the need for frequent replacement of the filter materials, which affects the use effect of the detector. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that in the existing toxic gas detectors, filter materials are needed when gas is input during use, but the filter materials cannot be cleaned in the device, resulting in the need for frequent replacement of the filter materials, which affects the use effect of the detector. A detector for monitoring toxic gases is proposed to solve the problem.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A detector for monitoring toxic gases, comprising:

[0007] The detector body, the bottom end of the detector body is connected to a connecting column, and a probe shell is installed at the bottom of the connecting column, the inner top of the probe shell is bonded with filter cotton, and a second connecting rod is installed on the inner side of the probe shell, the second connecting rod is connected to the probe shell through a bearing, and the top of the second connecting rod is connected to the first connecting rod, a scraper rod is connected to the upper part of the outer wall of the first connecting rod, a conveying pipe passes through the inner side of the connecting column, and the end of the conveying pipe is connected to the inner side of the probe shell, a threaded hole is opened in the middle part of the back side of the detector body, and a reserved groove is opened on the back side of the detector body, and the outer wall of the second connecting rod is connected to a fan blade.

[0008] Preferably, a display screen is installed on the front of the detector body, and connecting pieces are connected to the rear of the top and the rear of the bottom of the detector body.

[0009] Preferably, the scraper rod is in contact with the bottom of the filter cotton, and the scraper rod is symmetrical about the central axis of the first connecting rod.

[0010] Preferably, the first connecting rod and the second connecting rod are threadedly connected, and the second connecting rod forms a rotating structure with the probe housing through a bearing.

[0011] Preferably, an air inlet is provided on the outer wall of the probe housing.

[0012] Preferably, the inner side of the threaded hole is communicated with the inner side of the reserved groove, and the threaded hole and the connecting column are threadedly connected.

[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0014] 1. In the utility model, by arranging the filter cotton, the scraper rod, the first connecting rod, the second connecting rod and the probe shell, people can adjust the overall length of the first connecting rod and the second connecting rod according to the dust content of the air in the monitoring area, so that the degree of close contact between the scraper rod and the filter cotton can be adjusted, and the scraper rod is used to scrape off the impurities filtered on the surface of the filter cotton, so that the filter cotton in the detector does not need to be replaced frequently, which will not affect the use effect of the detector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall front structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the inner structure of the probe housing in the utility model;

[0017] Figure 3 It is a schematic diagram of the back structure of the detector body in the utility model.

[0018] Legend:

[0019] 1. Detector body; 2. Display screen; 3. Connecting piece; 4. Connecting column; 5. Probe shell; 6. Filter cotton; 7. Scraper rod; 8. First connecting rod; 9. Second connecting rod; 10. Fan blade; 11. Bearing; 12. Delivery pipe; 13. Threaded hole; 14. Reserved groove. DETAILED DESCRIPTION

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

[0021] Reference Figure 1-3A detector for monitoring toxic gases comprises a detector body 1, a connecting column 4 is connected to the bottom end of the detector body 1, and a probe shell 5 is installed at the bottom of the connecting column 4, a filter cotton 6 is bonded to the inner top of the probe shell 5, and a second connecting rod 9 is installed on the inner side of the probe shell 5, the second connecting rod 9 is connected to the probe shell 5 through a bearing 11, and the top of the second connecting rod 9 is connected to the first connecting rod 8, the first connecting rod 8 and the second connecting rod 9 are threadedly connected, and the second connecting rod 9 forms a rotating structure with the probe shell 5 through the bearing 11, people can adjust the overall length of the first connecting rod 8 and the second connecting rod 9 according to the dust content of the air in the monitoring area, so that the degree of close contact between the scraper rod 7 and the filter cotton 6 is adjustable, and the impurities filtered on the surface of the filter cotton 6 are scraped off by the scraper rod 7, the scraper rod 7 is connected to the upper part of the outer wall of the first connecting rod 8, and the inner side of the connecting column 4 A delivery pipe 12 runs through the probe body 1, and the end of the delivery pipe 12 is connected to the inner side of the probe shell 5. A threaded hole 13 is provided in the middle of the back side of the probe body 1, and a reserved groove 14 is provided on the back side of the probe body 1. The inner side of the threaded hole 13 is connected to the inner side of the reserved groove 14, and the threaded hole 13 is threadedly connected to the connecting column 4. By setting the threaded hole 13, the probe shell 5 can be connected to the back side of the probe body 1 through the connecting column 4, which is convenient for the probe to be applied to various types of workplaces. The outer wall of the second connecting rod 9 is connected to the fan blade 10, the scraper rod 7 is in contact with the bottom of the filter cotton 6, and the scraper rod 7 is symmetrical about the central axis of the first connecting rod 8. The scraper rod 7 is driven by the first connecting rod 8, the second connecting rod 9 and the fan blade 10 to rotate, so as to facilitate the scraping operation of impurities filtered at the bottom end of the filter cotton 6, so that the filter cotton 6 does not need to be frequently replaced.

[0022] A display screen 2 is installed on the front of the detector body 1, and connecting pieces 3 are connected to the top rear and bottom rear of the detector body 1. By setting the connecting piece 3, people can insert the bolts into the slots and thread them on the wall to complete the installation of the detector. An air inlet is provided on the outer wall of the probe shell 5. By setting the air inlet, the surrounding air can enter the detector through the air inlet and be transported through the delivery pipe 12, thereby facilitating the detector to monitor the gas.

[0023] Working principle: When in use, people can first adjust the overall length of the first connecting rod 8 and the second connecting rod 9 according to the dust content of the air in the monitoring area, so that the degree of close contact between the scraper rod 7 and the filter cotton 6 can be adjusted. Then, the surrounding gas enters through the air inlet at the probe shell 5 and is transported through the delivery pipe 12. During this period, the filter cotton 6 can filter the gas. Then, the gas is monitored through the detector body 1. Finally, when the air flow rate around the detector is high, the fan blades 10 can be blown to move, thereby driving the second connecting rod 9 and the first connecting rod 8 to rotate, so that the scraper rod 7 connected to the first connecting rod 8 can scrape off the impurities filtered on the surface of the filter cotton 6.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A detector for monitoring toxic gases, comprising: A detector body (1), characterized in that: a connecting column (4) is connected to the bottom end of the detector body (1), and a probe shell (5) is installed at the bottom of the connecting column (4), a filter cotton (6) is bonded to the inner top of the probe shell (5), and a second connecting rod (9) is installed on the inner side of the probe shell (5), the second connecting rod (9) is connected to the probe shell (5) through a bearing (11), and the top of the second connecting rod (9) is connected to the first connecting rod (8), a scraper rod (7) is connected to the upper part of the outer wall of the first connecting rod (8), a conveying pipe (12) passes through the inner side of the connecting column (4), and the end of the conveying pipe (12) is connected to the inner side of the probe shell (5), a threaded hole (13) is opened in the middle of the back side of the detector body (1), and a reserved groove (14) is opened on the back side of the detector body (1), and a fan blade (10) is connected to the outer wall of the second connecting rod (9).

2. A detector for monitoring toxic gases according to claim 1, characterized in that: A display screen (2) is installed on the front of the detector body (1), and connecting pieces (3) are connected to the rear of the top and the rear of the bottom of the detector body (1).

3. A detector for monitoring toxic gases according to claim 1, characterized in that: The scraper rod (7) is in contact with the bottom of the filter cotton (6), and the scraper rod (7) is symmetrical about the central axis of the first connecting rod (8).

4. A detector for monitoring toxic gases according to claim 1, characterized in that: The first connecting rod (8) and the second connecting rod (9) are threadedly connected, and the second connecting rod (9) forms a rotating structure with the probe housing (5) via a bearing (11).

5. The detector for monitoring toxic gases according to claim 1, characterized in that: An air inlet is provided on the outer wall of the probe housing (5).

6. A detector for monitoring toxic gases according to claim 1, characterized in that: The inner side of the threaded hole (13) is connected to the inner side of the reserved groove (14), and the threaded hole (13) and the connecting column (4) are threadedly connected.

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