Portable gas detector

By incorporating connection and extension mechanisms, the problem of portable gas detectors being unable to enter toxic enclosed spaces has been solved, enabling detection in these spaces and increasing the range of suitable environments for use.

CN224005050UActive Publication Date: 2026-03-17SHIJIAZHUANG ZEDA AUTOMATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520479021.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-03-17
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

Existing portable gas detectors cannot detect inaccessible or toxic enclosed spaces.

Method used

By incorporating connection and extension mechanisms, the gas detector can be extended into inaccessible and toxic enclosed spaces for detection, including functions such as air supply, retrieval, connection, and extension.

Benefits of technology

It enables air detection in inaccessible and toxic enclosed spaces, increasing the options for the usage environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gas detection, in particular to a portable gas detector, which is provided with a connecting mechanism and an extending mechanism, so that air which cannot enter and is poisonous closed space can be detected in a gas detection process, and choices of use environments are increased; comprising a detection mechanism; the device further comprises an air supply mechanism, a taking mechanism, a connecting mechanism and an extension mechanism, the air supply mechanism is installed on the detection mechanism, the taking mechanism is installed on the detection mechanism, the connecting mechanism is placed in the detection mechanism, and the extension mechanism is installed on the connecting mechanism. The detection mechanism carries out detection, the air supply mechanism carries out air supply, the taking mechanism carries out taking, the connecting mechanism carries out connection, and the extension mechanism carries out extension.
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Description

Technical Field

[0001] This utility model relates to the technical field of gas detection, and in particular to a portable gas detector. Background Technology

[0002] Gas detectors primarily utilize gas sensors to detect the types, components, and concentrations of gases in the environment. Gas detectors include fixed gas detectors, handheld gas detectors, and portable gas detectors. Among these, portable gas sensors are the most widely used and are extensively applied in on-site detection in various locations such as petrochemical, coal, metallurgy, chemical, municipal combustion, environmental monitoring, cable tunnels, and sewage treatment.

[0003] Among existing portable gas detectors, such as the portable gas detector disclosed in utility model patent application number 202020444483.5, the portable gas detector of this utility model not only saves space by opening a hole in the protective ring on the operation panel, but also avoids accidental damage to the detection instrument, thus not affecting the detection effect.

[0004] However, it cannot be used in gas detection processes in spaces where people cannot enter or in spaces that need to be detected in advance. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a portable gas detector that, by setting a connecting mechanism and an extension mechanism, can detect air in inaccessible or toxic enclosed spaces during the gas detection process, thereby increasing the choice of the usage environment.

[0006] This utility model discloses a portable gas detector, which includes a detection mechanism; it also includes an air supply mechanism, a picking mechanism, a connecting mechanism, and an extension mechanism. The air supply mechanism is installed on the detection mechanism, the picking mechanism is installed on the detection mechanism, the connecting mechanism is placed inside the detection mechanism, and the extension mechanism is installed on the connecting mechanism.

[0007] The detection mechanism performs the detection, the air supply mechanism supplies air, the picking mechanism picks up the items, the connecting mechanism connects the items, and the extension mechanism extends the space. The connecting mechanism is discharged by sliding the picking mechanism, the connecting mechanism is connected to the air supply mechanism, and the extension mechanism is extended by pulling out the extension mechanism. The extension mechanism is inserted into the space to be detected, the air supply mechanism is turned on to supply air, and the detection mechanism performs the detection. This allows the air in inaccessible or toxic enclosed spaces to be detected during the gas detection process, increasing the selectivity of the usage environment.

[0008] Preferably, the testing mechanism includes a testing instrument, a display unit, and a sound unit. The display unit is installed on the testing instrument, and the sound unit is installed on the testing instrument. Testing is performed by turning on the testing instrument, the values ​​are displayed by the display unit, and the sound unit broadcasts and alarms.

[0009] Preferably, the air supply mechanism includes an air chamber, an air duct, and a fan. The air chamber is installed on the detector, the fan is installed inside the air chamber, and the air duct is installed inside the detector. The air duct is connected to the air chamber and has threads. Air is discharged after flowing through the air duct to the air chamber by turning on the fan.

[0010] Preferably, the picking mechanism includes a push plate, a clamping plate, a first tray, two sets of first springs, a second tray, and a second spring. The push plate is slidably mounted on the detector, the clamping plate is mounted on the push plate, the first tray is slidably mounted inside the detector by the two sets of first springs to support the push plate, and the second tray is slidably mounted inside the detector by the second spring. By sliding the push plate, the clamping plate slides to the underside of the second tray, thereby causing the second spring to cooperate with the second tray to pop out the connecting mechanism. By pressing the connecting mechanism down onto the second tray, the clamping plate returns to the upper side of the second tray to lock and fix the connecting mechanism.

[0011] Preferably, the connection mechanism includes a connector and a ventilation hose. The connector is placed inside the detector and has threads. The ventilation hose is installed on the connector. The connector can be connected to the air duct by being threaded on. The ventilation hose can also be used to seal and supply air when the equipment is bent.

[0012] Preferably, the extension mechanism includes a rotating tube and multiple sets of extension tubes. The rotating tube is rotatably mounted on the connecting seat and is connected and fixed to the ventilation hose. The multiple sets of extension tubes are mutually nested and slidably mounted on the rotating tube. The equipment is extended by pulling the extension tubes and bent by the cooperation between the rotating tubes and the connecting seat.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: the connecting mechanism is discharged by sliding the picking mechanism, the connecting mechanism is connected to the air supply mechanism, the extension mechanism is extended by pulling out the extension mechanism, the extension mechanism is inserted into the space to be detected, the air supply mechanism is opened to supply air, and the detection mechanism is used for detection. Thus, during the gas detection process, air in inaccessible and toxic enclosed spaces can be detected, increasing the choice of the use environment. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the isometric structure of this utility model;

[0015] Figure 2 This is a frontal sectional isometric structural schematic diagram of this utility model;

[0016] Figure 3This is a right-side sectional isometric structural schematic diagram of this utility model;

[0017] Figure 4 This is an isometric structural diagram of the extension mechanism of this utility model;

[0018] Figure 5 The picking mechanism of this utility model is in Figure 2 Axonometric enlarged structural schematic diagram of the frontal cross-section of section A in the middle;

[0019] The attached diagram is labeled as follows: 1. Detection mechanism; 11. Detector; 12. Display unit; 13. Sound unit; 2. Air supply mechanism; 21. Air chamber; 22. Air duct; 23. Fan; 3. Picking mechanism; 31. Push plate; 32. Card plate; 33. Support plate one; 34. Spring one; 35. Support plate two; 36. Spring two; 4. Connecting mechanism; 41. Connecting seat; 42. Ventilation hose; 5. Extension mechanism; 51. Rotating tube; 52. Extension tube. Detailed Implementation

[0020] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. This utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete. Example

[0021] like Figures 1 to 5 As shown, a portable gas detector includes a detection mechanism 1, an air supply mechanism 2, a picking mechanism 3, a connecting mechanism 4, and an extension mechanism 5. The air supply mechanism 2 is installed on the detection mechanism 1, the picking mechanism 3 is installed on the detection mechanism 1, the connecting mechanism 4 is placed inside the detection mechanism 1, and the extension mechanism 5 is installed on the connecting mechanism 4.

[0022] The detection mechanism 1 performs detection, the air supply mechanism 2 supplies air, the picking mechanism 3 picks up, the connecting mechanism 4 connects, and the extension mechanism 5 extends.

[0023] The testing mechanism 1 includes a testing instrument 11, a display unit 12, and a sound-emitting unit 13. The display unit 12 is installed on the testing instrument 11, and the sound-emitting unit 13 is installed on the testing instrument 11.

[0024] The air supply mechanism 2 includes an air chamber 21, an air duct 22 and a fan 23. The air chamber 21 is installed on the detector 11, the fan 23 is installed inside the air chamber 21, the air duct 22 is installed inside the detector 11, and the air duct 22 is connected to the air chamber 21. The air duct 22 is provided with threads.

[0025] The taking mechanism 3 includes a push plate 31, a clamping plate 32, a first tray 33, two sets of first springs 34, a second tray 35, and a second spring 36. The push plate 31 is slidably mounted on the detector 11, the clamping plate 32 is mounted on the push plate 31, the first tray 33 is slidably mounted inside the detector 11 by the two sets of first springs 34 to support the push plate 31, and the second tray 35 is slidably mounted inside the detector 11 by the second spring 36.

[0026] The connecting mechanism 4 includes a connecting seat 41 and a ventilation hose 42. The connecting seat 41 is placed inside the detector 11 and has threads. The ventilation hose 42 is installed on the connecting seat 41.

[0027] The extension mechanism 5 includes a rotating tube 51 and multiple sets of extension tubes 52. The rotating tube 51 is rotatably mounted on the connecting seat 41 and is connected and fixed to the ventilation hose 42. The multiple sets of extension tubes 52 are mutually fitted and slidably mounted on the rotating tube 51.

[0028] By sliding the push plate 31, the clamping plate 32 slides to the underside of the support plate 35, thereby causing the spring 36 to engage with the support plate 35 and pop out the connecting mechanism 4. The connecting seat 41 can be connected by threaded installation on the air duct 22. When the equipment is bent through the ventilation hose 42, it can also seal the air supply. By pulling the extension tube 52, the equipment can be extended. By rotating the tube 51 and engaging with the connecting seat 41, the extension tube 52 can be bent and inserted into the space to be tested. By turning on the fan 23, the air flows through the air duct 22 to the air chamber 21 and is discharged. At the same time, the detector 11 is turned on to perform the test. The display unit 12 displays the values, and the sound unit 13 broadcasts and alarms. By pressing the connecting mechanism 4 down onto the support plate 35, the clamping plate 32 returns to the upper side of the support plate 35 and locks the connecting mechanism 4 in place. Thus, during the gas detection process, air in inaccessible and toxic enclosed spaces can be detected, increasing the choice of the operating environment.

[0029] like Figures 1 to 5 As shown, this utility model discloses a portable gas detector. During operation, the sliding push plate 31 causes the clamping plate 32 to slide to the lower side of the support plate 35, thereby causing the spring 36 to engage with the support plate 35 to pop out the connecting mechanism 4. The connecting seat 41 can be connected by being threaded onto the air duct 22. When the device is bent through the ventilation hose 42, it can also seal and supply gas. The device can be extended by pulling the extension tube 52. The extension tube 52 can be bent by rotating the tube 51 in cooperation with the connecting seat 41, and the extension tube 52 can be inserted into the space to be detected. The fan 23 is turned on to allow air to flow through the air duct 22 to the air chamber 21 and then be discharged. At the same time, the detector 11 is turned on to perform detection. The display unit 12 displays the values, and the sound unit 13 broadcasts and alarms. By pressing the connecting mechanism 4 down onto the support plate 35, the clamping plate 32 returns to the upper side of the support plate 35 to lock and fix the connecting mechanism 4.

[0030] The detector 11, display unit 12, sound unit 13 and fan 23 of this utility model are commercially available. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without requiring any creative work from those skilled in the art.

[0031] The main function achieved by this utility model is: in the gas detection process, by setting up a connecting mechanism and an extension mechanism, the air in inaccessible and toxic enclosed spaces can be detected, thus increasing the choice of the usage environment.

[0032] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A portable gas detector comprising a detection mechanism (1); characterized in that, It also includes air supply mechanism (2), take mechanism (3), connecting mechanism (4) and extension mechanism (5), air supply mechanism (2) is installed on detection mechanism (1), take mechanism (3) is installed on detection mechanism (1), connecting mechanism (4) is placed in detection mechanism (1), extension mechanism (5) is installed on connecting mechanism (4); The detection mechanism (1) detects, air supply mechanism (2) blows air, take mechanism (3) takes, connecting mechanism (4) connects, extension mechanism (5) extends.

2. A portable gas detection instrument as defined in claim 1, wherein Detection mechanism (1) includes detector (11), display unit (12) and sounding unit (13), display unit (12) is installed on detector (11), sounding unit (13) is installed on detector (11).

3. A portable gas detection instrument as defined in claim 2, wherein Air supply mechanism (2) includes air warehouse (21), air duct (22) and fan (23), air warehouse (21) is installed on detector (11), fan (23) is installed in air warehouse (21), air duct (22) is installed in detector (11), and air duct (22) communicates with air warehouse (21), air duct (22) is provided with threads.

4. A portable gas detection instrument as defined in claim 2, wherein, Take mechanism (3) includes push plate (31), clamping plate (32), supporting plate one (33), two groups of spring one (34), supporting plate two (35) and spring two (36), push plate (31) is slidingly installed on detector (11), clamping plate (32) is installed on push plate (31), supporting plate one (33) is slidingly installed in detector (11) through two groups of spring one (34) to support push plate (31), supporting plate two (35) is slidingly installed in detector (11) through spring two (36).

5. A portable gas detection instrument as defined in claim 2, wherein, Connecting mechanism (4) includes connecting seat (41) and ventilation hose (42), connecting seat (41) is placed in detector (11), and connecting seat (41) is provided with threads, ventilation hose (42) is installed on connecting seat (41).

6. A portable gas detection instrument as claimed in claim 5, wherein, Extension mechanism (5) includes rotating pipe (51) and multiple groups of extension pipe (52), rotating pipe (51) is rotatably installed on connecting seat (41), and rotating pipe (51) is connected and fixed with ventilation hose (42), multiple groups of extension pipe (52) are slidingly installed on rotating pipe (51) by being sleeved with each other.

Citation Information

Patent Citations

  • Portable gas detector

    CN211978826U