Gas leakage alarm device for natural gas

Abstract

The utility model discloses a gas leakage alarm device for natural gas, which belongs to the technical field of gas alarm and comprises a mounting plate, a bidirectional lead screw is arranged in the mounting plate, a turn button is arranged at the upper end of the bidirectional lead screw, clamping plates are in threaded connection with two sides of the surface of the bidirectional lead screw, and a sliding groove corresponding to the clamping plates is arranged at one end of the mounting plate. A fuel gas concentration detector is arranged on the mounting plate, and the fuel gas concentration detector is connected with the mounting plate through a connecting assembly; the connecting assembly is arranged, the pull plate is pulled to drive the sliding rod and the sliding plate to slide in the mounting plate, the spring is compressed, then the gas concentration detector is placed on the mounting plate, the socket at the lower end of the gas concentration detector is inserted into the slot of the mounting plate, the pull plate is loosened, the spring elastically stretches to push one end of the sliding rod to enter the clamping hole of the socket, and the gas concentration detector is detected. The effect of limiting and fixing the socket and the gas concentration detector is achieved, and the gas concentration detector can be conveniently and rapidly disassembled, assembled and fixed through the arrangement of the connecting assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas alarm, and in particular relates to a gas leakage alarm device for natural gas. Background Art

[0002] Gas is a general term for gaseous fuels, which can release heat through combustion and be used by residents and commercial users. Gas can be divided into natural gas, manufactured gas, liquefied petroleum gas and biogas according to the source of the gas. At present, the types of urban gas used in my country mainly include manufactured gas, natural gas and liquefied petroleum gas. Among them, the production cost of manufactured gas is high, it has certain pollution to the environment, and it is dangerous, and its use in the application end is decreasing. The application of natural gas and liquefied petroleum gas has become the mainstream. And because of the characteristics of cleanliness, environmental protection and safety, natural gas has a broader development space.

[0003] Chinese patent application No. 2022230372516 discloses a gas leak alarm device, including a mounting plate, a fixing structure connected to the mounting plate, a slide groove reserved on the back of the mounting plate, and a mounting mechanism connected inside the slide groove. The utility model enables people to use the gas concentration detector to achieve the purpose of gas leak alarm through the mutual cooperation of parts such as the mounting plate, the adjustment component and the fixing structure, and under the action of the adjustment component and the fixing structure, the device can quickly install and fix gas concentration detectors of different models, thereby solving the problem of the existing device that firstly, the fixing bar needs to slide multiple times during the adjustment process, and the bolts need to be repeatedly used for fixing, which increases the time for installing the equipment. Secondly, when fixing the equipment, it takes some time to adjust the position of the mounting block to adapt it to different gas alarm devices. Therefore, the device needs to spend a lot of time during the entire use process.

[0004] The above-mentioned patent is not conducive to the rapid disassembly, assembly and fixation of the gas concentration detector, and the convenience of disassembly and assembly of the gas concentration detector is poor. At the same time, the original device only uses a clamp to clamp the gas pipe, which is less safe and there is a risk of the device falling from the gas pipe. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a gas leakage alarm device for natural gas, which has the feature of being easy to quickly disassemble, assemble and fix the gas concentration detector.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas leakage alarm device for natural gas, comprising a mounting plate, a bidirectional screw rod is arranged in the mounting plate, a knob is arranged at the upper end of the bidirectional screw rod, clamping plates are threadedly connected on both sides of the surface of the bidirectional screw rod, a slide groove corresponding to the clamping plate is arranged at one end of the mounting plate, a gas concentration detector is arranged on the mounting plate, and the gas concentration detector is connected to the mounting plate through a connecting assembly;

[0007] The connecting component includes a pull plate, a socket, a slot, a cavity, a sliding rod, a skateboard, a spring, a card hole and a limit component, wherein a socket is arranged at the lower end of the gas concentration detector, a slot corresponding to the socket is arranged at the upper end of the mounting plate, a pull plate is arranged at one end of the mounting plate, sliding rods are arranged on both sides of one end of the pull plate, a skateboard is arranged between the two sliding rods, a cavity corresponding to the skateboard is arranged in the mounting plate, a spring is arranged on the sliding rod at one end of the skateboard, a card hole corresponding to the sliding rod is arranged in the socket, and a limit component is arranged at a position corresponding to the pull plate on the mounting plate.

[0008] Preferably, the limiting assembly includes a rotating plate, a lever, a vertical plate and a rotating shaft, wherein a vertical plate is arranged at a position on the mounting plate corresponding to the pulling plate, a rotating shaft is arranged at one end of the vertical plate, a rotating plate is arranged at the other end of the rotating shaft, and a lever is arranged at one end of the rotating plate.

[0009] Preferably, the upper end of the pull plate protrudes from the upper end of the mounting plate, and a sliding hole corresponding to the sliding rod is provided in the mounting plate, and after the socket enters the slot, the side edge of the socket is in close contact with the inner wall of the slot.

[0010] Preferably, the rotating shaft and the vertical plate are connected via damping rotation, and the vertical plate and the mounting plate are welded via pressure welding.

[0011] Preferably, an elastic rope is provided at one end of the lower splint, a fixed disk is provided at the other end of the elastic rope, a hook is provided at the other end of the fixed disk, an anti-slip pad is provided on the surface of the hook, a fixing ring is provided on one side of the upper end of the upper splint, and a slot is provided on one side of the fixing ring.

[0012] Preferably, the side edge of the card slot is arranged as an arc-shaped structure, and the anti-slip pad and the hook are bonded by glue.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model sets a connection component. The pull plate is pulled to drive the slide bar and the slide plate to slide in the mounting plate. The spring is compressed, and then the gas concentration detector is placed on the mounting plate. The socket at the lower end of the gas concentration detector is inserted into the slot of the mounting plate. The pull plate is released, and the spring is extended to push one end of the slide bar into the card hole of the socket, so as to achieve the effect of limiting and fixing the socket and the gas concentration detector. The pull plate is pulled to drive the slide bar to move out of the card hole of the socket, and the gas concentration detector can be disassembled. The connection component is set to facilitate the rapid disassembly, assembly and fixation of the gas concentration detector.

[0015] 2. The utility model provides a hook. After the clamping plate clamps the gas pipe, the fixing plate is pulled, and the fixing plate stretches the elastic rope. Then the hook at one end of the fixing plate is hung on the fixing ring at the upper end of the upper clamping plate. The elastic rope is inserted into the clamping groove of the upper clamping plate. At the same time, an anti-skid pad is provided on the surface of the hook to prevent skidding. By providing the hook and the elastic rope, the risk of the device falling from the gas pipe is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a rear perspective view of the utility model;

[0018] Figure 3 This is a cutaway stereoscopic view of the installation plate when the utility model gas concentration detector is installed;

[0019] Figure 4 For this utility model Figure 3 A magnified image of point A;

[0020] In the figure: 1. Mounting plate; 2. Connecting assembly; 21. Pull plate; 22. Socket; 23. Slot; 24. Cavity; 25. Slide bar; 26. Slide plate; 27. Spring; 28. Clamp hole; 29. ​​Limiting assembly; 291. Turn plate; 292. Push rod; 293. Vertical plate; 294. Rotating shaft; 3. Gas concentration detector; 4. Clamp plate; 5. Elastic rope; 6. Knob; 7. Bidirectional screw rod; 8. Slide groove; 9. Fixed plate; 10. Hook; 11. Anti-slip pad; 12. Fixed ring; 13. Clamp groove. DETAILED DESCRIPTION

[0021] 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 in 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.

[0022] Example 1

[0023] See also Figure 1-4 The utility model provides the following technical solutions: a gas leakage alarm device for natural gas, comprising a mounting plate 1, a bidirectional screw rod 7 is arranged in the mounting plate 1, a knob 6 is arranged at the upper end of the bidirectional screw rod 7, clamping plates 4 are threadedly connected on both sides of the surface of the bidirectional screw rod 7, a slide groove 8 corresponding to the clamping plate 4 is arranged at one end of the mounting plate 1, a gas concentration detector 3 is arranged on the mounting plate 1, and the gas concentration detector 3 is connected to the mounting plate 1 through a connecting component 2;

[0024] The connecting component 2 includes a pull plate 21, a socket 22, a slot 23, a cavity 24, a slide bar 25, a slide plate 26, a spring 27, a clamping hole 28 and a limit component 29, wherein a socket 22 is provided at the lower end of the gas concentration detector 3, a slot 23 corresponding to the socket 22 is provided at the upper end of the mounting plate 1, a pull plate 21 is provided at one end of the mounting plate 1, slide bars 25 are provided on both sides of one end of the pull plate 21, a slide plate 26 is provided between the two slide bars 25, a cavity 24 corresponding to the slide plate 26 is provided in the mounting plate 1, a spring 27 is provided on the slide bar 25 at one end of the slide plate 26, a clamping hole 28 corresponding to the slide bar 25 is provided in the socket 22, and a limit component 29 is provided at a position on the mounting plate 1 corresponding to the pull plate 21.

[0025] Specifically, the limiting assembly 29 includes a rotating plate 291, a lever 292, a vertical plate 293 and a rotating shaft 294, wherein a vertical plate 293 is arranged at a position on the mounting plate 1 corresponding to the pull plate 21, a rotating shaft 294 is arranged at one end of the vertical plate 293, a rotating plate 291 is arranged at the other end of the rotating shaft 294, and a lever 292 is arranged at one end of the rotating plate 291.

[0026] By adopting the above technical solution, when there is no need to pull the pulling plate 21, the rotating plate 291 is moved by the lever 292, and the rotating plate 291 rotates on the vertical plate 293 through the rotating shaft 294. The rotating plate 291 rotates to one end of the pulling plate 21 to limit the pulling plate 21. The limiting component 29 is set to limit the pulling plate 21 to avoid pulling the pulling plate 21 by mistake.

[0027] Specifically, the upper end of the pull plate 21 protrudes from the upper end of the mounting plate 1 , and a sliding hole corresponding to the sliding rod 25 is provided in the mounting plate 1 . After the socket 22 enters the slot 23 , the side of the socket 22 is tightly attached to the inner wall of the slot 23 .

[0028] By adopting the above technical solution, the upper end of the pull plate 21 protrudes from the upper end of the mounting plate 1 to facilitate pulling the pull plate 21, and the slide rod 25 can slide in the mounting plate 1. After the socket 22 enters the slot 23, the socket 22 is more stable in the slot 23.

[0029] Specifically, the rotating shaft 294 and the vertical plate 293 are connected via damping rotation, and the vertical plate 293 and the mounting plate 1 are welded via pressure welding.

[0030] By adopting the above technical solution, the rotating shaft 294 is prevented from rotating on the vertical plate 293, and the pressure welding makes the vertical plate 293 and the mounting plate 1 more secure.

[0031] When the present embodiment is used, when the gas leakage alarm device for natural gas is used, the device is installed in a suitable position, and the bidirectional screw rod 7 is rotated by the knob 6. The bidirectional screw rod 7 rotates and drives the two clamping plates 4 to approach each other in the slide groove 8 at one end of the mounting plate 1. The two clamping plates 4 clamp the gas pipe to fix the device. The gas concentration detector 3 on the mounting plate 1 performs gas monitoring work. When the gas leaks, the gas concentration detector 3 alarms. By setting the connecting component 2, the pull plate 21 is pulled to drive the slide bar 25 and the slide plate 26 to slide in the mounting plate 1, and the spring 27 is compressed. Then the gas concentration detector 3 is placed on the mounting plate 1, and the socket 22 at the lower end of the gas concentration detector 3 is inserted into the slot 23 of the mounting plate 1, and the pull plate 21 is released. The spring 27 is stretched to push one end of the slide bar 25 into the card hole 28 of the socket 22, so as to achieve the effect of limiting and fixing the socket 22 and the gas concentration detector 3. The pull plate 21 is pulled to drive the slide bar 25 to move out of the card hole 28 of the socket 22, so that the gas concentration detector 3 can be disassembled. The connection component 2 is provided to facilitate the rapid disassembly and assembly of the gas concentration detector 3. By providing a limiting component 29, when there is no need to pull the pull plate 21, the rotating plate 291 is moved by the lever 292, and the rotating plate 291 is rotated on the vertical plate 293 through the rotating shaft 294. The rotating plate 291 rotates to one end of the pull plate 21 to limit the pull plate 21. The limiting component 29 can limit the pull plate 21 to avoid pulling the pull plate 21 by mistake.

[0032] Example 2

[0033] The difference between this embodiment and embodiment 1 is that an elastic rope 5 is provided at one end of the lower clamping plate 4, a fixed plate 9 is provided at the other end of the elastic rope 5, a hook 10 is provided at the other end of the fixed plate 9, a non-slip pad 11 is provided on the surface of the hook 10, a fixing ring 12 is provided on one side of the upper end of the upper clamping plate 4, and a slot 13 is provided on one side of the fixing ring 12.

[0034] By adopting the above technical solution, after the clamping plate 4 clamps the gas pipe, the fixing plate 9 is pulled, and the fixing plate 9 stretches the elastic rope 5, and then the hook 10 at one end of the fixing plate 9 is hung on the fixing ring 12 at the upper end of the upper clamping plate 4, and the elastic rope 5 is inserted into the slot 13 of the upper clamping plate 4. At the same time, an anti-slip pad 11 is arranged on the surface of the hook 10 to play an anti-slip role. By arranging the hook 10 and the elastic rope 5, the risk of the device falling from the gas pipe is avoided.

[0035] Specifically, the side of the card slot 13 is set to an arc structure, and the anti-slip pad 11 and the hook 10 are bonded by glue.

[0036] By adopting the above technical solution, the side of the slot 13 is prevented from scratching the elastic rope 5, and the anti-slip pad 11 is not easy to fall off due to the glue bonding.

[0037] When this embodiment is used, by setting the hook 10, after the clamping plate 4 clamps the gas pipe, the fixing plate 9 is pulled, and the fixing plate 9 stretches the elastic rope 5, and then the hook 10 at one end of the fixing plate 9 is hung on the fixing ring 12 at the upper end of the upper clamping plate 4, and the elastic rope 5 is inserted into the slot 13 of the upper clamping plate 4. At the same time, an anti-slip pad 11 is provided on the surface of the hook 10 to play an anti-slip role. By providing the hook 10 and the elastic rope 5, the risk of the device falling from the gas pipe is avoided.

[0038] The structure and working principle of the mounting plate 1, the gas concentration detector 3, the clamping plate 4, the knob 6, the bidirectional screw 7 and the slide groove 8 in the utility model have been disclosed in the gas leakage alarm device disclosed in Chinese patent application No. 2022230372516. The working principle is to rotate the bidirectional screw 7 by the knob 6, and the rotation of the bidirectional screw 7 drives the two clamping plates 4 to approach each other in the slide groove 8 at one end of the mounting plate 1. The two clamping plates 4 clamp the gas pipe to fix the device. The gas concentration detector 3 on the mounting plate 1 performs gas monitoring. When gas leakage occurs, the gas concentration detector 3 alarms.

[0039] Working principle and use process of the utility model: When the gas leakage alarm device for natural gas is used, the device is installed in a suitable position, and the two-way screw rod 7 is rotated by the knob 6. The two-way screw rod 7 rotates and drives the two clamps 4 to approach each other in the slide groove 8 at one end of the mounting plate 1. The two clamps 4 clamp the gas pipe to fix the device. The gas concentration detector 3 on the mounting plate 1 performs gas monitoring. When gas leaks, the gas concentration detector 3 alarms. By setting the connecting component 2, the pull plate 21 is pulled to drive the slide bar 25 and the slide plate 26 to slide in the mounting plate 1, and the spring 27 is compressed. Then the gas concentration detector 3 is placed on the mounting plate 1, and the socket 22 at the lower end of the gas concentration detector 3 is inserted into the slot 23 of the mounting plate 1. The pull plate 21 is released, and the spring 27 is stretched to push one end of the slide bar 25 into the card hole 28 of the socket 22, so as to achieve the effect of limiting and fixing the socket 22 and the gas concentration detector 3. Pulling the pull plate 21 drives the slide bar 25 The gas concentration detector 3 can be disassembled by removing it from the card hole 28 of the socket 22. The gas concentration detector 3 can be quickly disassembled and fixed by setting the connecting component 2. By setting the limiting component 29, when there is no need to pull the pull plate 21, the rotating plate 291 is moved by the lever 292. The rotating plate 291 rotates on the vertical plate 293 through the rotating shaft 294. The rotating plate 291 rotates to one end of the pull plate 21 to limit the pull plate 21. The setting of the limiting component 29 can limit the pull plate 21 is limited to avoid accidental pulling of the pulling plate 21. By setting the hook 10, after the clamping plate 4 clamps the gas pipe, the fixing plate 9 is pulled, and the fixing plate 9 stretches the elastic rope 5, and then the hook 10 at one end of the fixing plate 9 is hung on the fixing ring 12 at the upper end of the upper clamping plate 4, and the elastic rope 5 is inserted into the slot 13 of the upper clamping plate 4. At the same time, an anti-skid pad 11 is arranged on the surface of the hook 10 to play an anti-skid role. By arranging the hook 10 and the elastic rope 5, the risk of the device falling from the gas pipe is avoided.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas leak alarm device for natural gas, comprising a mounting plate, characterized in that: The mounting plate is provided with a bidirectional screw rod, a knob is provided at the upper end of the bidirectional screw rod, clamping plates are threadedly connected on both sides of the surface of the bidirectional screw rod, a slide groove corresponding to the clamping plate is provided at one end of the mounting plate, a gas concentration detector is provided on the mounting plate, and the gas concentration detector is connected to the mounting plate through a connecting component; The connecting component includes a pull plate, a socket, a slot, a cavity, a sliding rod, a skateboard, a spring, a card hole and a limit component, wherein a socket is arranged at the lower end of the gas concentration detector, a slot corresponding to the socket is arranged at the upper end of the mounting plate, a pull plate is arranged at one end of the mounting plate, sliding rods are arranged on both sides of one end of the pull plate, a skateboard is arranged between the two sliding rods, a cavity corresponding to the skateboard is arranged in the mounting plate, a spring is arranged on the sliding rod at one end of the skateboard, a card hole corresponding to the sliding rod is arranged in the socket, and a limit component is arranged at a position corresponding to the pull plate on the mounting plate.

2. A gas leak alarm device for natural gas according to claim 1, characterized in that: The limiting assembly includes a rotating plate, a lever, a vertical plate and a rotating shaft, wherein a vertical plate is arranged at a position on the mounting plate corresponding to the pulling plate, a rotating shaft is arranged at one end of the vertical plate, a rotating plate is arranged at the other end of the rotating shaft, and a lever is arranged at one end of the rotating plate.

3. A gas leak alarm device for natural gas according to claim 1, characterized in that: The upper end of the pull plate protrudes out of the upper end of the mounting plate, and a sliding hole corresponding to the sliding rod is arranged in the mounting plate. After the socket enters the slot, the side edge of the socket is in close contact with the inner wall of the slot.

4. A gas leak alarm device for natural gas according to claim 2, characterized in that: The rotating shaft and the vertical plate are connected via damping rotation, and the vertical plate and the mounting plate are welded via pressure welding.

5. A gas leak alarm device for natural gas according to claim 1, characterized in that: An elastic rope is arranged at one end of the lower clamping plate, a fixed plate is arranged at the other end of the elastic rope, a hook is arranged at the other end of the fixed plate, a non-slip pad is arranged on the surface of the hook, a fixing ring is arranged on one side of the upper end of the upper clamping plate, and a slot is arranged on one side of the fixing ring.

6. A gas leak alarm device for natural gas according to claim 5, characterized in that: The side edge of the card slot is arranged in an arc structure, and the anti-skid pad and the hook are bonded together by glue.

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