Gas alarm device

Abstract

The utility model relates to the technical field of gas alarm, in particular to a gas alarm device. According to the technical scheme, the gas alarm comprises a shell, a gas conveying pipe, a first frame, a second frame, a driving mechanism and a sleeve, and a gas alarm body is arranged on the inner wall of the shell; a pump body is installed on the side end face of the shell, and an exhaust pipe is arranged on the pump body. Connecting pieces are welded to the first frame and the second frame. The connecting piece is arranged on the fuel gas conveying pipe; a screw rod is arranged on an output shaft of the driving mechanism; an air inlet pipe is fixedly embedded into the inner wall of the sleeve, and the air inlet pipe is in air communication with the sleeve; the casing pipe is connected to the fuel gas conveying pipe in a sleeving mode, and a guide frame is welded to the outer surface of the casing pipe. Connecting pipes are fixedly embedded into the top end face and the side end face of the gas alarm body. According to the utility model, gas alarm is satisfied, mobile inspection is carried out while alarm is carried out, and inconvenience in overhaul and maintenance caused by installation at multiple positions is avoided.

Description

Technical Field

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

[0002] Gas is a general term for gaseous fuels, which can burn and release heat for use by residents and industrial enterprises. There are many types of gas, mainly natural gas, artificial gas, liquefied petroleum gas, biogas, and coal-to-gas.

[0003] After searching, the patent announcement number CN217426247U discloses a gas alarm, including a detection sleeve installed at the connection of the gas pipeline, one side of the detection sleeve is connected to a connecting hose, one end of the connecting hose is movably connected to a slide bar, a limit block is fixedly provided on the top of the slide bar, a sounding piece is provided above the slide bar, a touch switch for turning on the sounding piece is provided at the bottom of the sounding piece, an outer shell body for protecting the touch switch and the sounding piece is provided on the outside of the sounding piece, and a through groove for assembling the connecting hose is provided at the bottom of the outer shell body, which can timely detect leakage of the gas equipment pipeline, will not allow high concentration of gas to be stored in the space, is safer when repairing the equipment, will not be flammable and explosive, and does not need to ventilate the space for a long time to reduce the gas concentration before handling the gas equipment, which improves safety while also improving work efficiency, and can quickly confirm the leakage point, thereby improving maintenance work efficiency.

[0004] When the CN217426247U in the prior art is in use, there is no need to ventilate the space for a long time to reduce the gas concentration before processing the gas equipment. This improves safety while also improving work efficiency. It can also quickly identify leakage points and improve maintenance efficiency. However, in actual use, installing multiple air intake positions results in a greater workload, and multiple positions need to be inspected during maintenance, so it still needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a gas alarm device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas alarm device, including a shell, a gas delivery pipe, a frame 1, a frame 2, a driving mechanism and a sleeve,

[0007] The inner wall of the shell is provided with a gas alarm body;

[0008] A pump body is installed on the side end surface of the shell, and an air extraction pipe is arranged on the pump body;

[0009] Connectors are welded on both the frame 1 and the frame 2;

[0010] The connecting piece is arranged on the gas delivery pipe;

[0011] A screw rod is arranged on the output shaft of the driving mechanism;

[0012] An air inlet pipe is embedded and fixed on the inner wall of the sleeve, and the air inlet pipe is in gas communication with the sleeve;

[0013] The sleeve is sleeved on the gas delivery pipe, and a guide frame is welded on the outer surface of the sleeve;

[0014] The top end surface and the side end surface of the gas alarm body are both embedded and fixed with connecting pipes.

[0015] Preferably, the end of the exhaust pipe facing away from the pump body is embedded and fixed in the shell, and the shell is in gas communication with the pump body through the exhaust pipe. By embedding and fixing the end of the exhaust pipe facing away from the pump body in the shell, a person can open the pump body and extract the gas in the shell through the exhaust pipe.

[0016] Preferably, an exhaust pipe is provided at one end of the pump body away from the air extraction pipe, and the exhaust pipe is in gas communication with the pump body. The exhaust pipe is in gas communication with the pump body, so that the gas extracted by the pump body can be discharged through the exhaust pipe.

[0017] Preferably, a connecting block is welded on the connecting piece, and a bolt is installed in the connecting block through a thread. By welding the connecting block on the connecting piece, after the connecting pieces on the first frame and the second frame are sleeved on the gas delivery pipe, a person can rotate the bolt installed in the connecting block to fix the connecting piece on the gas delivery pipe.

[0018] Preferably, a mounting block is installed on the driving mechanism, and the side end surface of the mounting block is welded to frame 1 and frame 2. By welding the side end surface of the mounting block to frame 1 and frame 2, the two driving mechanisms can be respectively mounted on frame 1 and frame 2 through the mounting block.

[0019] Preferably, the guide frame is slidably sleeved in frame one and frame two, and the guide frame is installed on the screw rod by threads. The guide frame is slidably sleeved in frame one and frame two to limit the position, and the guide frame is installed on the screw rod by threads at the same time, so that a person can open the driving mechanism to drive the screw rod to rotate, and the guide frame can be driven to move according to the rotation direction of the screw rod.

[0020] Preferably, the end of the connecting tube facing away from the shell is embedded and fixed in the sleeve, and the sleeve is in gas communication with the shell through the connecting tube. By embedding and fixing the end of the connecting tube facing away from the shell in the sleeve, when the gas in the shell is extracted, the shell can extract the gas in the sleeve through the connecting tube.

[0021] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0022] 1. The utility model sets a shell, and when personnel transport gas through the gas delivery pipe, personnel can install the sleeve on the gas delivery pipe. After installation, the end of the exhaust pipe away from the pump body is embedded and fixed in the shell, so that personnel can open the pump body to extract the gas in the shell through the exhaust pipe. At the same time, the end of the connecting pipe away from the shell is embedded and fixed in the sleeve. When the gas in the shell is extracted, the shell can extract the gas in the sleeve through the connecting pipe, and the sleeve is inhaled through the intake pipe. At the same time, the gas outside the gas delivery pipe can be extracted, so that the leaked gas is extracted into the shell together, and the gas is detected through the gas alarm body after entering the shell. After the leaked gas is detected, an alarm can be given through the gas alarm body, thereby meeting the gas alarm operation.

[0023] 2. The utility model sets a sleeve, and when personnel transport gas through the gas transmission pipe, the guide frame is slidably sleeved in frame one and frame two to limit the position. At the same time, the guide frame is installed on the screw rod through a thread, so that the personnel can open the driving mechanism to drive the screw rod to rotate, and the guide frame can be driven to move according to the rotation direction of the screw rod, so that the sleeve can be moved on the gas transmission pipe, and different positions can be reciprocated for monitoring during monitoring and alarm, avoiding the inconvenience of installation and maintenance caused by installing multiple monitoring devices at multiple monitoring points, thereby meeting the needs of later alarms. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0025] Figure 2 It is a left-side structural schematic diagram of the utility model;

[0026] Figure 3 It is a right view structural schematic diagram of the utility model;

[0027] Figure 4 It is a schematic diagram of the side structure of the casing of the present utility model.

[0028] In the figure: 1. Shell; 101. Gas alarm body; 102. Connecting pipe; 103. Extraction pipe; 104. Pump body; 105. Exhaust pipe; 2. Gas delivery pipe; 3. Frame 1; 4. Frame 2; 5. Driving mechanism; 501. Mounting block; 502. Screw rod; 6. Sleeve; 601. Guide frame; 602. Inlet pipe; 7. Connecting piece; 701. Connecting block; 702. Bolt. DETAILED DESCRIPTION

[0029] 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.

[0030] Embodiment 1

[0031] like Figure 1-Figure 4 As shown, a gas alarm device proposed by the utility model includes a housing 1, a gas delivery pipe 2, a frame 1 3, a frame 2 4, a driving mechanism 5 and a sleeve 6.

[0032] The inner wall of the housing 1 is provided with a gas alarm body 101;

[0033] A pump body 104 is installed on the side end surface of the housing 1, and an air extraction pipe 103 is provided on the pump body 104;

[0034] Connecting pieces 7 are welded on both frame 1 3 and frame 2 4;

[0035] The connecting piece 7 is arranged on the gas delivery pipe 2;

[0036] A screw rod 502 is provided on the output shaft of the driving mechanism 5;

[0037] As is well known to those skilled in the art, the provision of the drive mechanism 5 is commonplace and is a conventional method or common knowledge, and will not be described in detail here. Those skilled in the art may select any of the drive mechanisms 5 according to their needs or convenience. The drive mechanism 5 drives the screw rod 502 to rotate forward and reverse;

[0038] An air inlet pipe 602 is embedded and fixed in the inner wall of the sleeve 6, and the air inlet pipe 602 is in gas communication with the sleeve 6;

[0039] The sleeve 6 is sleeved on the gas delivery pipe 2, and a guide frame 601 is welded on the outer surface of the sleeve 6;

[0040] The top and side surfaces of the gas alarm body 101 are both embedded with a connecting pipe 102, and the gas alarm body 101 is a gas leak detection alarm instrument. When gas leaks in an industrial environment, the gas alarm body 101 detects that the gas concentration reaches the critical point set by the explosion or poisoning alarm, and the gas alarm body 101 will send out an alarm signal to remind the staff to take safety measures. The provision of the gas alarm body 101 is commonplace, and they are all conventional means or common knowledge, so they will not be repeated here. Those skilled in the art can make any selection according to their needs or convenience.

[0041] One end of the exhaust pipe 103 facing away from the pump body 104 is embedded and fixed in the shell 1, and the shell 1 is connected to the pump body 104 through the exhaust pipe 103. The end of the exhaust pipe 103 facing away from the pump body 104 is embedded and fixed in the shell 1, so that a person can open the pump body 104 and extract the gas in the shell 1 through the exhaust pipe 103.

[0042] An exhaust pipe 105 is provided at one end of the pump body 104 away from the exhaust pipe 103, and the exhaust pipe 105 is in gas communication with the pump body 104. The exhaust pipe 105 is in gas communication with the pump body 104, so that the gas extracted by the pump body 104 can be discharged through the exhaust pipe 105, and the exhaust pipe 105 can be extended and installed to a safe position for discharging leaked gas, so that the extracted leaked gas can be directly discharged to avoid safety hazards caused by gas accumulation.

[0043] The end of the connecting tube 102 facing away from the shell 1 is embedded and fixed in the sleeve 6, and the sleeve 6 is connected to the shell 1 by gas through the connecting tube 102. The end of the connecting tube 102 facing away from the shell 1 is embedded and fixed in the sleeve 6, so that when the gas in the shell 1 is extracted, the shell 1 can extract the gas in the sleeve 6 through the connecting tube 102, and the connecting tube 102 can adopt a telescopic hose so that the connecting tube 102 moves with the sleeve 6.

[0044] Based on Example 1: When personnel are transporting gas through the gas delivery pipe 2, they can install the sleeve 6 on the gas delivery pipe 2. After installation, the end of the exhaust pipe 103 facing away from the pump body 104 is embedded and fixed in the shell 1, so that the personnel can open the pump body 104 to extract the gas in the shell 1 through the exhaust pipe 103. At the same time, the end of the connecting pipe 102 facing away from the shell 1 is embedded and fixed in the sleeve 6. When the gas in the shell 1 is extracted, the shell 1 can extract the gas in the sleeve 6 through the connecting pipe 102, and the sleeve 6 is inhaled through the intake pipe 602. At the same time, the gas outside the gas delivery pipe 2 can be extracted, so that the leaked gas is extracted into the shell 1 together, and the gas is detected through the gas alarm body 101 after entering the shell 1. After the leaked gas is detected, an alarm can be issued through the gas alarm body 101.

[0045] Embodiment 2

[0046] like Figure 1-Figure 4 As shown, a gas alarm device proposed by the utility model, compared with the first embodiment, this embodiment also includes: a housing 1, a gas delivery pipe 2, a frame 1 3, a frame 2 4, a driving mechanism 5 and a sleeve 6,

[0047] The inner wall of the housing 1 is provided with a gas alarm body 101;

[0048] A pump body 104 is installed on the side end surface of the housing 1, and an air extraction pipe 103 is provided on the pump body 104;

[0049] Connecting pieces 7 are welded on both frame 1 3 and frame 2 4;

[0050] The connecting piece 7 is arranged on the gas delivery pipe 2;

[0051] A screw rod 502 is provided on the output shaft of the driving mechanism 5;

[0052] An air inlet pipe 602 is embedded and fixed in the inner wall of the sleeve 6, and the air inlet pipe 602 is in gas communication with the sleeve 6;

[0053] The sleeve 6 is sleeved on the gas delivery pipe 2, and a guide frame 601 is welded on the outer surface of the sleeve 6;

[0054] The top end surface and the side end surface of the gas alarm body 101 are both embedded and fixed with a connecting pipe 102 .

[0055] A connecting block 701 is welded on the connecting piece 7, and a bolt 702 is installed in the connecting block 701 through a thread. After the connecting piece 7 on the frame 1 3 and the frame 2 4 are sleeved on the gas delivery pipe 2 by welding the connecting block 701, a person can rotate the bolt 702 to install it in the connecting block 701 and then fix the connecting piece 7 on the gas delivery pipe 2. After the connection, the person can cooperate to install a nut on the bolt 702 to tighten it.

[0056] A mounting block 501 is installed on the driving mechanism 5, and the side end faces of the mounting block 501 are welded to the frame one 3 and the frame two 4. By welding the side end faces of the mounting block 501 to the frame one 3 and the frame two 4, the two driving mechanisms 5 can be respectively installed on the frame one 3 and the frame two 4 through the mounting blocks 501.

[0057] The guide frame 601 is slidably sleeved in frame one 3 and frame two 4, and the guide frame 601 is installed on the screw rod 502 through threads. The guide frame 601 is slidably sleeved in frame one 3 and frame two 4 to limit the position. At the same time, the guide frame 601 is installed on the screw rod 502 through threads, so that personnel can open the driving mechanism 5 to drive the screw rod 502 to rotate, and the guide frame 601 can be driven to move according to the rotation direction of the screw rod 502.

[0058] Based on Example 2: When personnel transport gas through the gas delivery pipe 2, the guide frame 601 is slidably sleeved in the frame one 3 and the frame two 4 to limit the position. At the same time, the guide frame 601 is installed on the screw rod 502 through a thread, so that the personnel can open the driving mechanism 5 to drive the screw rod 502 to rotate, and the guide frame 601 can be driven to move according to the rotation direction of the screw rod 502, so that the sleeve 6 can be moved on the gas delivery pipe 2, so that different positions can be reciprocated during monitoring and alarm, so that an alarm is issued after the leakage point is detected.

[0059] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A gas alarm device, comprising a housing (1), a gas delivery pipe (2), a frame 1 (3), a frame 2 (4), a drive mechanism (5) and a sleeve (6), characterized in that: The inner wall of the housing (1) is provided with a gas alarm body (101); A pump body (104) is installed on the side end surface of the housing (1), and an air extraction pipe (103) is arranged on the pump body (104); Connecting pieces (7) are welded on both the frame one (3) and the frame two (4); The connecting piece (7) is arranged on the gas delivery pipe (2); A screw rod (502) is arranged on the output shaft of the driving mechanism (5); An air inlet pipe (602) is embedded and fixed in the inner wall of the sleeve (6), and the air inlet pipe (602) is in gas communication with the sleeve (6); The sleeve (6) is sleeved on the gas delivery pipe (2), and a guide frame (601) is welded on the outer surface of the sleeve (6); A connecting pipe (102) is embedded and fixed on both the top end surface and the side end surface of the gas alarm body (101).

2. A gas alarm device according to claim 1, characterized in that: One end of the air extraction pipe (103) facing away from the pump body (104) is embedded and fixed in the shell (1), and the shell (1) is in gas communication with the pump body (104) via the air extraction pipe (103).

3. A gas alarm device according to claim 1, characterized in that: An exhaust pipe (105) is provided at one end of the pump body (104) away from the air extraction pipe (103), and the exhaust pipe (105) is in gas communication with the pump body (104).

4. A gas alarm device according to claim 1, characterized in that: A connecting block (701) is welded on the connecting piece (7), and a bolt (702) is threadedly installed in the connecting block (701).

5. A gas alarm device according to claim 1, characterized in that: The driving mechanism (5) is provided with a mounting block (501), and the side end surfaces of the mounting block (501) are welded to the first frame (3) and the second frame (4).

6. A gas alarm device according to claim 1, characterized in that: The guide frame (601) is slidably sleeved in the frame one (3) and the frame two (4), and the guide frame (601) is installed on the screw rod (502) through threads.

7. A gas alarm device according to claim 1, characterized in that: One end of the connecting pipe (102) facing away from the shell (1) is embedded and fixed in the sleeve (6), and the sleeve (6) is in gas communication with the shell (1) through the connecting pipe (102).

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