Portable fuel gas detector

Abstract

The utility model relates to the technical field of fuel gas detectors, and discloses a portable fuel gas detector which comprises four fixing rings, the four fixing rings are oppositely arranged in pairs, clamping plates are fixedly installed at the bottom ends of the two pairs of fixing rings, first screw rods are installed on the side walls of the two clamping plates in a threaded mode, and the first screw rods are connected with the two fixing rings in a threaded mode. The two first screw rods are oppositely arranged and fixedly connected; when the gas detector body needs to be installed on a pipeline, the two clamping plates and the two pairs of fixing rings are arranged on the two sides of the pipeline, then the first screw is rotated, and under the limiting action of the clamping plates and the first sliding rods, the two clamping plates and the fixing rings move towards the middle to clamp the pipeline; meanwhile, the two sliding plates slide in the through groove and move towards the middle, then the gas detector body is lowered to the position above the pipeline mounting opening through the lifting mechanism, pre-fixing of the gas detector body is achieved, then mounting is conducted, and the practical performance and the mounting efficiency of the device are improved.

Description

Technical Field

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

[0002] A gas detector is a device used to detect gas leaks or gas concentrations, usually including combustible gas detectors and infrared methane alarms. Combustible gas detectors mainly detect combustible gases in the air, usually using the principle of electrochemical or catalytic combustion, and can detect various combustible gases. Infrared methane alarms are mainly used in places such as coal mines, and alarm by detecting the concentration of methane gas. Gas detectors are generally installed in gas pipelines, gas meters, gas stoves and other places where gas leaks are prone to occur. This can detect gas leaks in a timely manner and avoid safety accidents.

[0003] The existing Chinese patent with announcement number CN219551781U discloses a portable gas leak detector, including a gas leak detector, a drainage detector is fixedly mounted on the top of the gas leak detector, a plug-in battery is electrically connected to the bottom of the gas leak detector, and an integrated housing is fixedly mounted on the outside of the drainage detector, the gas leak detector, and the plug-in battery, and an embedded display panel electrically connected to the gas leak detector is embedded in the front of the integrated housing, and three-stage adjustment brackets are movably mounted on both sides of the integrated housing. In the above scheme, the temperature detector and the gas detector are located between the bottom port of the sinking air duct and the drainage fan, and the drainage fan is used in conjunction with the sinking air duct to introduce the air mixed with the leaking gas into the inner cavity of the drainage detection box, so that the temperature detector and the gas detector on the top of the gas leak detector can fully contact with the air mixed with the leaking gas, thereby ensuring the accuracy of the gas leak detection data.

[0004] However, the above-mentioned device has the following disadvantages: the portable gas detector is sometimes installed above the pipeline. Different pipelines have different thicknesses and sizes, and the pipeline is located in a relatively narrow or high place. Generally, the portable gas detector is moved to the installation port above the pipeline before installation. Since the above-mentioned detector is not provided with an auxiliary installation mechanism for pre-fixing the detector above the installation port, when the above-mentioned portable gas detector is installed on the pipeline, the staff needs to hold the detector body while connecting and installing the detection part and the detection port. This process is relatively inconvenient.

[0005] Therefore, it is necessary to provide a portable gas detector to solve the above technical problems. Utility Model Content

[0006] The utility model aims to provide a portable gas detector, which adopts a fixing ring, a clamping plate and a lifting mechanism, and has the effect of facilitating the installation of the gas detector on a pipeline.

[0007] The above-mentioned technical purpose of the utility model is achieved through the following technical scheme: a portable gas detector comprises four fixing rings, the four fixing rings are arranged opposite to each other in pairs, the bottom ends of the two pairs of fixing rings are fixedly installed with clamps, the side walls of the two clamps are threadedly installed with first screws, the two first screws are relatively arranged and fixedly connected, the two first screws pass through the side walls of the clamps, a first sliding rod is slidably installed between the two clamps, the top ends of the four fixing rings are fixedly installed with fixing rods, the top ends of the two pairs of fixing rings are fixedly installed with slides, a fixing plate is arranged between the two slides, the side walls of the fixing plate are provided with through grooves, the two fixing plates are slidably connected with the through grooves, a gas detector body is arranged below the fixing plate, a detection head is fixedly installed at the bottom end of the gas detector body, and lifting mechanisms are arranged on both sides of the gas detector body.

[0008] By adopting the above technical scheme, a pipeline is arranged between the two fixing rings, and an installation opening is opened above the pipeline, and the installation opening is arranged directly below the detection head. The detection head and the gas detector body are both existing technologies, and their function is to detect the concentration flow rate and other data of the gas inside the pipeline through the detection head, so they are not described in detail. When it is necessary to install the gas detector body on the pipeline, two clamps and two pairs of fixing rings are arranged on both sides of the pipeline, and then the first screw is rotated. Under the limiting action of the clamp and the first sliding rod, the two clamps and the fixing rings move toward the middle to clamp the pipeline. At the same time, the two slides also slide inside the through groove and move to the middle, and then the gas detector body is lowered to the top of the pipeline installation opening through the lifting mechanism, so that the gas detector body is pre-fixed and then installed, which increases the practical performance and installation efficiency of the device.

[0009] The utility model is further configured as follows: the lifting mechanism includes a second screw rod and a second sliding rod, the second screw rod is rotatably mounted on the bottom end of the fixed plate, the second sliding rod is fixedly mounted on the bottom end of the fixed plate, and lifting blocks are provided on the second screw rod and the second sliding rod, one of the lifting blocks is threadedly connected to the second screw rod, and the other lifting block is slidably connected to the second sliding rod, and the two lifting blocks are fixedly connected to both sides of the gas detector body.

[0010] By adopting the above technical solution, the second screw is rotated, and under the limiting action of the second sliding rod and the lifting block, the two lifting blocks drive the gas detector body to move up and down.

[0011] The utility model is further configured as follows: a bolt is threadedly installed on the side wall of the fixing ring, and a rubber pad is fixedly installed on one end of the bolt.

[0012] By adopting the above technical solution, by rotating the bolts, one end of the two bolts is pressed against the side wall of the pipe, which can increase the stability of the fixation between the fixing ring and the pipe. The rubber pad is relatively soft and can increase the protection of the side wall of the pipe, prevent the bolts from causing wear to the pipe, and increase the stability of the device.

[0013] The utility model is further configured as follows: a plurality of tension springs are fixedly connected between the two slide plates.

[0014] By adopting the above technical solution, the tension spring can achieve stability between the two slide plates, prevent the two slide plates from sliding out of the through slot, and increase the practical performance of the device.

[0015] The utility model is further configured as follows: a driven gear is fixedly mounted on the side wall of the second screw rod, a hand wheel is rotatably connected to the bottom end of the fixed plate, a driving gear is fixedly mounted on the side wall of the hand wheel, and the driven gear and the driving gear are meshed with each other.

[0016] By adopting the above technical solution, the driving gear is driven to rotate by rotating the hand wheel, the driving gear drives the driven gear to rotate, and the driven gear drives the screw to rotate, thereby increasing the practical performance of the device.

[0017] The utility model is further configured as follows: a handle is fixedly mounted on the top end of the fixing plate.

[0018] By adopting the above technical solution, the gas detector body can be transferred and taken away by the handle, which is convenient to carry and increases the portability of the device.

[0019] In summary, the utility model has the following beneficial effects: a pipeline is arranged between the two fixing rings, and an installation opening is opened above the pipeline, and the installation opening is arranged directly below the detection head. The detection head and the gas detector body are both existing technologies, and their function is to detect the concentration flow rate and other data of the gas inside the pipeline through the detection head, so they are not described in detail. When it is necessary to install the gas detector body on the pipeline, two clamps and two pairs of fixing rings are arranged on both sides of the pipeline, and then the first screw is rotated. Under the limiting action of the clamp and the first sliding rod, the two clamps and the fixing rings move toward the middle to clamp the pipeline. At the same time, the two slides also slide inside the through groove and move to the middle, and then the gas detector body is lowered to the top of the pipeline installation opening through the lifting mechanism, so that the gas detector body is pre-fixed, and then installed, which increases the practical performance and installation efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model installed on a pipeline;

[0021] Figure 2 A schematic diagram of a three-dimensional structure of the utility model installed on a pipeline from another perspective;

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 4 This is a schematic diagram of the main structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the three-dimensional exploded structure of the fixed plate, the sliding plate and the tension spring of the utility model.

[0025] In the figure: 1. fixing ring; 2. bolt; 3. rubber pad; 4. clamping plate; 5. first screw rod; 6. first slide rod; 7. fixing rod; 8. slide plate; 9. fixing plate; 10. handle; 11. through groove; 12. tension spring; 13. pipeline; 14. installation port; 15. second slide rod; 16. second screw rod; 17. lifting block; 18. gas detector body; 19. detection head; 20. driving gear; 21. driven gear; 22. hand wheel. DETAILED DESCRIPTION

[0026] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0027] See also Figures 1 to 5In the embodiment of the utility model, a portable gas detector comprises four fixing rings 1, the four fixing rings 1 are arranged opposite to each other in pairs, the bottom ends of the two pairs of fixing rings 1 are fixedly installed with clamping plates 4, the side walls of the two clamping plates 4 are threadedly installed with first screws 5, the two first screws 5 are arranged opposite to each other and fixedly connected, the two first screws 5 pass through the side walls of the clamping plates 4, a first sliding rod 6 is slidably installed between the two clamping plates 4, a fixing rod 7 is fixedly installed at the top of the four fixing rings 1, a slide plate 8 is fixedly installed at the top of the two pairs of fixing rings 1, a fixing plate 9 is arranged between the two slide plates 8, a through groove 11 is opened on the side wall of the fixing plate 9, the two fixing plates 9 are slidably connected with the through groove 11, a gas detector body 18 is arranged below the fixing plate 9, a detection head 19 is fixedly installed at the bottom end of the gas detector body 18, and a lifting mechanism is arranged on both sides of the gas detector body 18; the two fixing rings 1 are fixedly installed with a detection head 19, and a lifting mechanism is arranged on both sides of the gas detector body 18; A pipe 13 is arranged between the rings 1, and an installation opening 14 is opened above the pipe 13, and the installation opening 14 is arranged just below the detection head 19. The detection head 19 and the gas detector body 18 are both existing technologies, and their function is to detect the concentration flow rate and other data of the gas inside the pipe 13 through the detection head 19, so they are not described in detail. When it is necessary to install the gas detector body 18 on the pipe 13, two clamping plates 4 and two pairs of fixing rings 1 are arranged on both sides of the pipe 13, and then the first screw 5 is rotated. Under the limiting action of the clamping plates 4 and the first sliding rod 6, the two clamping plates 4 and the fixing rings 1 move toward the middle to clamp the pipe 13. At the same time, the two slide plates 8 also slide inside the through groove 11 and move to the middle, and then the gas detector body 18 is lowered to the top of the installation opening 14 of the pipe 13 through the lifting mechanism, so as to realize the pre-fixation of the gas detector body 18, and then install it, thereby increasing the practical performance and installation efficiency of the device.

[0028] In this embodiment, preferably, the lifting mechanism includes a second screw 16 and a second slide bar 15, the second screw 16 is rotatably installed on the bottom end of the fixed plate 9, the second slide bar 15 is fixedly installed on the bottom end of the fixed plate 9, and the second screw 16 and the second slide bar 15 are both provided with lifting blocks 17, one of the lifting blocks 17 is threadedly connected to the second screw 16, and the other lifting block 17 is slidably connected to the second slide bar 15, and the two lifting blocks 17 are fixedly connected to the two sides of the gas detector body 18; rotate the second screw 16, and under the limiting action of the second slide bar 15 and the lifting block 17, the two lifting blocks 17 drive the gas detector body 18 to move up and down.

[0029] In this embodiment, preferably, a bolt 2 is threadedly installed on the side wall of the fixing ring 1, and a rubber pad 3 is fixedly installed on one end of the bolt 2; by rotating the bolt 2, one end of the two bolts 2 is pressed against the side wall of the pipe 13, which can increase the stability of the fixation between the fixing ring 1 and the pipe 13; the rubber pad 3 is relatively soft and can increase the protection of the side wall of the pipe 13, prevent the bolt 2 from causing wear to the pipe 13, and increase the stability of the device.

[0030] In the present embodiment, preferably, a plurality of tension springs 12 are fixedly connected between the two slide plates 8; the tension springs 12 can achieve stability between the two slide plates 8, prevent the two slide plates 8 from sliding out of the through slots 11, and increase the practical performance of the device.

[0031] In this embodiment, preferably, a driven gear 21 is fixedly installed on the side wall of the second screw rod 16, and a hand wheel 22 is rotatably connected to the bottom end of the fixed plate 9. A driving gear 20 is fixedly installed on the side wall of the hand wheel 22, and the driven gear 21 and the driving gear 20 are meshed with each other; by rotating the hand wheel 22, the driving gear 20 is driven to rotate, the driving gear 20 drives the driven gear 21 to rotate, and the driven gear 21 drives the screw rod to rotate, thereby increasing the practical performance of the device.

[0032] In this embodiment, preferably, a handle 10 is fixedly installed on the top of the fixing plate 9; the handle 10 can be used to transfer and take the gas detector body 18, which is convenient to carry and increases the portability of the device.

[0033] Working principle: A pipe 13 is arranged between the two fixing rings 1, and an installation opening 14 is opened above the pipe 13, and the installation opening 14 is arranged just below the detection head 19. The detection head 19 and the gas detector body 18 are both existing technologies, and their function is to detect the concentration flow rate and other data of the gas inside the pipe 13 through the detection head 19, so they are not described in detail. When it is necessary to install the gas detector body 18 on the pipe 13, the two clamping plates 4 and the two pairs of fixing rings 1 are arranged on both sides of the pipe 13, and then the first screw 5 is rotated. Under the limiting action of the clamping plates 4 and the first sliding rod 6, the two clamping plates 4 and the fixing ring 1 move toward the middle to clamp the pipe 13. At the same time, the two slide plates 8 also slide inside the through groove 11 and move to the middle, and then the gas detector body 18 is lowered to the top of the installation opening 14 of the pipe 13 through the lifting mechanism, so as to realize the pre-fixation of the gas detector body 18, and then install it, thereby increasing the practical performance and installation efficiency of the device.

[0034] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A portable gas detector, comprising four fixing rings (1), characterized in that: The four fixing rings (1) are arranged opposite to each other in pairs, and a clamping plate (4) is fixedly installed at the bottom end of the two pairs of fixing rings (1), and a first screw rod (5) is threadedly installed on the side walls of the two clamping plates (4). The two first screw rods (5) are arranged opposite to each other and fixedly connected, and the two first screw rods (5) penetrate the side walls of the clamping plates (4). A first sliding rod (6) is slidably installed between the two clamping plates (4), and a fixing rod (7) is fixedly installed on the top end of the four fixing rings (1). A slide plate (8) is fixedly mounted on the top of each of the fixing rings (1), a fixing plate (9) is arranged between the two sliding plates (8), a through groove (11) is provided on the side wall of the fixing plate (9), the two fixing plates (9) are slidably connected to the through groove (11), a gas detector body (18) is arranged below the fixing plate (9), a detection head (19) is fixedly mounted on the bottom end of the gas detector body (18), and lifting mechanisms are arranged on both sides of the gas detector body (18).

2. A portable gas detector according to claim 1, characterized in that: The lifting mechanism comprises a second screw rod (16) and a second slide rod (15), wherein the second screw rod (16) is rotatably mounted on the bottom end of the fixed plate (9), and the second slide rod (15) is fixedly mounted on the bottom end of the fixed plate (9), and lifting blocks (17) are arranged on the second screw rod (16) and the second slide rod (15), wherein one of the lifting blocks (17) is threadedly connected to the second screw rod (16), and the other lifting block (17) is slidably connected to the second slide rod (15), and the two lifting blocks (17) are fixedly connected to both sides of the gas detector body (18).

3. A portable gas detector according to claim 1, characterized in that: A bolt (2) is threadedly mounted on the side wall of the fixing ring (1), and a rubber pad (3) is fixedly mounted on one end of the bolt (2).

4. A portable gas detector according to claim 1, characterized in that: A plurality of tension springs (12) are fixedly connected between the two slide plates (8).

5. A portable gas detector according to claim 2, characterized in that: A driven gear (21) is fixedly mounted on the side wall of the second screw rod (16); a hand wheel (22) is rotatably connected to the bottom end of the fixed plate (9); a driving gear (20) is fixedly mounted on the side wall of the hand wheel (22); and the driven gear (21) and the driving gear (20) are meshed with each other.

6. A portable gas detector according to claim 1, characterized in that: A handle (10) is fixedly mounted on the top end of the fixing plate (9).

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