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CN-224216671-U - Portable gas detector

CN224216671UCN 224216671 UCN224216671 UCN 224216671UCN-224216671-U

Abstract

The utility model relates to the technical field of gas detectors, in particular to a portable gas detector which comprises a gas detector body, wherein the top end of the gas detector body is connected with an air inlet pipe in a penetrating way, the front end of the air inlet pipe is fixedly connected with an air inlet cylinder, the inner side of the air inlet cylinder is rotationally connected with an enhanced air inlet component, the rear end of the enhanced air inlet component is provided with an operating rod mechanism, dovetail grooves are formed in two sides of the top of the gas detector body, the enhanced air inlet component comprises a connecting shaft, the front end of the connecting shaft is fixedly connected with an installation shaft, two small fan blades are fixedly connected with the outer side of the installation shaft, the front end of the installation shaft is fixedly connected with a large fan blade, and the rear end of the connecting shaft is provided with a through movable groove.

Inventors

  • WANG YINQIANG
  • DING YU
  • LI JIABO
  • WANG PANPAN

Assignees

  • 天津圣佑科技有限公司

Dates

Publication Date
20260508
Application Date
20250429

Claims (7)

  1. 1. The portable gas detector comprises a gas detector body (1), and is characterized in that the top end of the gas detector body (1) is connected with an air inlet pipe (2) in a penetrating way, the front end of the air inlet pipe (2) is fixedly connected with an air inlet cylinder (3), the inner side of the air inlet cylinder (3) is rotationally connected with an enhanced air inlet assembly (4), the rear end of the enhanced air inlet assembly (4) is provided with an operating rod mechanism (6), and two sides of the top of the gas detector body (1) are provided with dovetail grooves (8); The reinforced air inlet assembly (4) comprises a connecting shaft (41), the front end of the connecting shaft (41) is fixedly connected with a mounting shaft (42), the outer side of the mounting shaft (42) is fixedly connected with two small fan blades (43), the front end of the mounting shaft (42) is fixedly connected with a large fan blade (44), the rear end of the connecting shaft (41) is provided with a through movable groove (45), and an elastic limiting mechanism (46) is arranged above the movable groove (45); The operating rod mechanism (6) comprises a connecting rod (61), connecting rods (62) are fixedly connected to two ends of the connecting rod (61), an operating rod body (63) is fixedly connected to one end of each connecting rod (62), and a limiting block (64) is fixedly connected to the top of the inner side of each operating rod body (63); The connecting rod (61) is rotatably arranged in the connecting shaft (41), and the outer side of the limiting block (64) is clamped with the inner side of the dovetail groove (8).
  2. 2. The portable gas detector as set forth in claim 1, wherein the two lever bodies (63) are symmetrically arranged about the connecting rod (61), the top end of the lever body (63) is in an arc-shaped structure, and a protection strip (65) is fixedly connected to the side of the lever body (63).
  3. 3. The portable gas detector as set forth in claim 1, wherein a same reinforcing rod (66) is fixedly connected between bottoms of the two operating rod bodies (63), the reinforcing rod (66) is located below the gas detector body (1), and the reinforcing rod (66) and the connecting rod (61) are parallel to each other.
  4. 4. The portable gas detector as set forth in claim 1, wherein the mounting shaft (42) is disposed inside the gas inlet tube (3), a space exists between an outer side of the mounting shaft (42) and an inner wall of the gas inlet tube (3), a space exists between a front end of the mounting shaft (42) and the large fan blade (44), the large fan blade (44) is disposed outside the gas inlet tube (3), a volume of the large fan blade (44) is 1.1 times that of the small fan blade (43), and the two small fan blades (43) and the mounting shaft (42) are arranged in a staggered mode.
  5. 5. The portable gas detector according to claim 1, wherein the elastic limiting mechanism (46) comprises a limiting seat (461), the limiting seat (461) is fixedly arranged on one side, close to the operating rod mechanism (6), of the top end of the gas detector body (1), the inside of the limiting seat (461) is communicated with the inner side of the movable groove (45), a spring (462) is fixedly connected to the top end of the inner side of the limiting seat (461), a limiting ball (463) is fixedly connected to the bottom end of the spring (462), the lower surface of the limiting ball (463) is of a spherical structure, and the bottom end of the limiting ball (463) is located at the bottom of the inner side of the movable groove (45).
  6. 6. The portable gas detector according to claim 1, wherein a rear supporting seat (5) is connected to one side of the top of the gas inlet pipe (2) close to the operating rod mechanism (6) in a penetrating manner, and the inner side of the rear supporting seat (5) is connected with the outer side of the connecting shaft (41) in a rotating manner.
  7. 7. The portable gas detector as set forth in claim 1, wherein the rear end of the air inlet tube (3) is of a conical structure, the inner side of the air inlet tube (3) is communicated with the inner side of the air inlet tube (2), a front supporting seat (7) is fixedly connected to one side of the inner wall of the air inlet tube (3), and the center of the front end of the front supporting seat (7) is rotatably connected with the outer side of the connecting shaft (41).

Description

Portable gas detector Technical Field The utility model relates to the technical field of gas detectors, in particular to a portable gas detector. Background The gas detector is an instrument for detecting various gases in the environment, can monitor harmful gases in the air in real time, such as carbon monoxide, hydrogen sulfide, methane and the like, can be widely applied to the fields of industrial production, mines, chemical industry, fuel gas, environmental protection and the like, and can send out an alarm in time once the concentration of the gases exceeds a safety threshold value by accurately detecting the concentration of the gases, thereby effectively preventing the occurrence of safety accidents such as gas poisoning, explosion and the like and guaranteeing the life safety of personnel and the safety of the production environment; at present, in order to realize an efficient and convenient air inlet function, a plurality of gas detectors commonly adopt an air pump air inlet mode, and the air pump can actively and rapidly suck external gas into the detection instrument, so that the detection process is more efficient and accurate, and the detection device has remarkable advantages compared with natural diffusion type air inlet; However, there is a disadvantage in the prior art that the air pump is usually powered by the power supply inside the air detector, and the air pump needs to consume larger electric energy in the operation process, which definitely greatly increases the power consumption of the whole air detection system, especially in outdoor environment, environment monitoring is performed in remote areas, when the external power supply cannot be obtained for charging, the electric quantity of the built-in power supply of the air detector is limited, long-time continuous operation is difficult to maintain, the application range of the air detector in outdoor scenes is limited, and the smooth operation is affected, so that the portable air detector is proposed for the problems. Disclosure of utility model The utility model aims to provide a portable gas detector to solve the problems that the air pump consumes larger electric energy in the operation process, the power consumption of the whole gas detection system is obviously increased, particularly, the environment is monitored in a remote area in an outdoor environment, the long-time continuous work is difficult to maintain, the application range of the gas detector in the outdoor scene is limited, and the smooth operation of the work is influenced. In order to achieve the above purpose, the present utility model provides the following technical solutions: A portable gas detector comprises a gas detector body, wherein the top end of the gas detector body is connected with a gas inlet pipe in a penetrating mode, the front end of the gas inlet pipe is fixedly connected with a gas inlet cylinder, the inner side of the gas inlet cylinder is rotationally connected with a reinforcing gas inlet component, the rear end of the reinforcing gas inlet component is provided with an operating rod mechanism, dovetail grooves are formed in two sides of the top of the gas detector body, the reinforcing gas inlet component comprises a connecting shaft, the front end of the connecting shaft is fixedly connected with an installing shaft, the outer side of the installing shaft is fixedly connected with two small fan blades, the front end of the installing shaft is fixedly connected with large fan blades, the rear end of the connecting shaft is provided with a through movable groove, an elastic limiting mechanism is arranged above the movable groove, the operating rod mechanism comprises a connecting rod, two ends of the connecting rod are fixedly connected with connecting rods, one end of each connecting rod is fixedly connected with the operating rod body, a limiting block is fixedly connected with the top of the inner side of the operating rod body, the connecting rod is rotationally arranged in the connecting shaft, and the outer side of the limiting block is clamped with the inner side of the dovetail grooves. As a further optimized content of the invention, the two operation rod bodies are symmetrically arranged left and right by taking the connecting rod as the center, the top arc structure of the operation rod bodies is fixedly connected with the protection strip at the side of the operation rod bodies. As a further optimized content of the gas detector, the same reinforcing rod is fixedly connected between the bottoms of the two operating rod bodies, the reinforcing rod is positioned below the gas detector body, and the reinforcing rod and the connecting rod are parallel to each other. As the content of further optimization of the invention, the installation shaft is positioned in the air inlet cylinder, an interval exists between the outer side of the installation shaft and the inner wall of the air inlet cylinder, an interval exists between the f