Gas concentration alarm

Abstract

The utility model discloses a gas concentration alarm, and relates to the technical field of gas alarms. Comprising an electromagnetic valve body, a valve shell is movably arranged outside the electromagnetic valve body, a mounting seat is fixedly arranged at the top of the valve shell, a first groove is formed in the mounting seat, a pull rod is movably arranged in the first groove, a spring is arranged outside the pull rod in a sleeving mode, and a clamping block is fixedly arranged at one end of the pull rod; the clamping block is movably connected with the gas alarm body, a connecting seat is fixedly arranged at the top of the gas alarm body, a second groove is formed in the connecting seat, a two-way threaded rod is movably arranged in the second groove, and a nut seat is movably arranged outside the two-way threaded rod; a clamping plate is fixedly arranged at the top of the nut seat, the clamping plate is clamped in a clamping groove of a lamp holder, and an alarm lamp is fixedly arranged at the top of the lamp holder.

Description

Technical Field

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

[0002] The gas concentration alarm is usually triggered by a gas alarm. When it is detected that the gas concentration in the air exceeds the preset safety threshold, the alarm will sound an alarm or display an alarm message.

[0003] Chinese utility model patent CN220891253U discloses a gas alarm solenoid valve with a valve shell, including a solenoid valve body, a valve shell and a gas alarm body, a mounting assembly is arranged above the valve shell, a detection assembly is arranged outside the gas alarm body, the mounting assembly includes a mounting block fixedly mounted on the top of the valve shell, a mounting groove is arranged on the top of the mounting block, and the gas alarm body is slidably connected to the inside of the mounting groove. The gas alarm solenoid valve with a valve shell can quickly install and disassemble the valve shell and the gas alarm body by arranging the mounting assembly, which is convenient for single replacement or maintenance of the gas alarm body or the solenoid valve body, and can detect whether the gas is leaking by arranging the detection assembly, and will remind when it leaks, and can prevent continuous gas leakage.

[0004] However, although the above device can detect whether there is a gas leak, it does not have the function of removing the alarm light. If the alarm light is damaged, it will not be able to promptly remind the user of the gas leak. It has certain limitations and is inconvenient for users to use. Utility Model Content

[0005] The utility model provides a gas concentration alarm to solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas concentration alarm, comprising a solenoid valve body, a valve housing is movably provided on the outside of the solenoid valve body, a mounting seat is fixedly provided on the top of the valve housing, a first groove is provided inside the mounting seat, a pull rod is movably provided inside the first groove, a spring is sleeved on the outside of the pull rod, a pull ring is fixedly provided on one end of the pull rod, a clamping block is fixedly provided on the other end of the pull rod, the clamping block is movably connected to the gas alarm body, a connecting seat is fixedly provided on the top of the gas alarm body, a second groove is provided inside the connecting seat, a bidirectional threaded rod is movably provided inside the second groove, a nut seat is movably provided on the outside of the bidirectional threaded rod, a clamping plate is fixedly provided on the top of the nut seat, the clamping plate is clamped in the clamping groove of the lamp holder, and an alarm light is fixedly provided on the top of the lamp holder.

[0007] Furthermore, fixing strips are fixedly provided on both the front and rear sides of the valve housing, and the fixing strips are connected by fixing bolts.

[0008] Furthermore, both sides of the gas alarm body are provided with clamping grooves adapted to the clamping blocks, and the clamping blocks are clamped inside the clamping grooves.

[0009] Furthermore, a PLC controller and a buzzer are fixedly installed on the front surface of the gas alarm body, the model of the PLC controller is CPU224XP, and a gas detection sensor is fixedly installed on one side of the gas alarm body.

[0010] Furthermore, the connection relationship between the bidirectional threaded rod and the nut seat is a threaded connection, and a threaded hole adapted to the bidirectional threaded rod is provided inside the nut seat.

[0011] Furthermore, a sliding sleeve is fixedly provided at the bottom of the nut seat, a sliding rod is provided inside the sliding sleeve, and the connection relationship between the sliding sleeve and the sliding rod is a sliding connection.

[0012] Compared with the prior art, the utility model provides a gas concentration alarm, which has the following beneficial effects:

[0013] The gas concentration alarm is provided with a bidirectional threaded rod, a nut seat and a clamping plate. By driving the bidirectional threaded rod to rotate, the nut seat makes a reverse horizontal movement along the outside of the bidirectional threaded rod, and then the nut seat drives the clamping plate to make a reverse horizontal movement, so that the clamping state between the clamping plate and the lamp holder can be released, the alarm lamp can be disassembled, and the alarm lamp can be repaired or replaced conveniently. The gas concentration alarm is highly practical and convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a front view structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the connecting seat structure of the utility model.

[0017] In the figure: 1. solenoid valve body; 2. valve housing; 201. fixing strip; 202. fixing bolt; 3. mounting seat; 301. first slot; 302. pull rod; 303. spring; 304. pull ring; 305. clamping block; 4. gas alarm body; 401. PLC controller; 402. buzzer; 403. gas detection sensor; 5. connecting seat; 501. second slot; 502. two-way threaded rod; 503. nut seat; 504. sliding sleeve; 505. sliding rod; 506. clamping plate; 6. lamp holder; 601. alarm lamp. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-3 The utility model discloses a gas concentration alarm, including a solenoid valve body 1, a valve housing 2 is movably provided on the outside of the solenoid valve body 1, a mounting seat 3 is fixedly provided on the top of the valve housing 2, a first groove 301 is provided inside the mounting seat 3, a pull rod 302 is movably provided inside the first groove 301, a spring 303 is sleeved on the outside of the pull rod 302, a pull ring 304 is fixedly provided on one end of the pull rod 302, and a clamping block 305 is fixedly provided on the other end of the pull rod 302. The clamping block 305 is movably connected to the gas alarm body 4, and a connecting seat 5 is fixedly provided on the top of the gas alarm body 4. A second groove 501 is opened inside the connecting seat 5, and a bidirectional threaded rod 502 is movably provided inside the second groove 501. A nut seat 503 is movably provided outside the bidirectional threaded rod 502. A clamping plate 506 is fixedly provided on the top of the nut seat 503, and the clamping plate 506 is clamped in the clamping groove of the lamp holder 6. An alarm light 601 is fixedly provided on the top of the lamp holder 6.

[0020] Specifically, fixing strips 201 are fixedly provided on both the front and rear sides of the valve housing 2 , and the fixing strips 201 are connected by fixing bolts 202 .

[0021] In this embodiment, by providing the fixing strip 201 and the fixing bolt 202 , the connection between the fixing strip 201 can be released by twisting the fixing bolt 202 , and the valve housing 2 can be disassembled, so that the solenoid valve body 1 inside can be taken out conveniently.

[0022] Specifically, both sides of the gas alarm body 4 are provided with engaging grooves adapted to the engaging blocks 305 , and the engaging blocks 305 are engaged with the inside of the engaging grooves.

[0023] In the present embodiment, by providing a snap-in block 305, utilizing the snap-in state between the snap-in block 305 and the snap-in grooves on both sides of the gas alarm body 4, by pulling the pull ring 304 to both sides, the spring 303 is compressed, and then one end of the pull rod 302 drives the snap-in block 305 to move to the inside of the first groove 301, the snap-in state between the snap-in block 305 and the snap-in grooves on both sides of the gas alarm body 4 can be achieved, and then the gas alarm body 4 can be disassembled, which facilitates the maintenance or replacement of the gas alarm body 4, is highly practical, and is convenient for users to use.

[0024] Specifically, a PLC controller 401 and a buzzer 402 are fixedly disposed on the front surface of the gas alarm body 4 . The model of the PLC controller 401 is CPU224XP. A gas detection sensor 403 is fixedly disposed on one side of the gas alarm body 4 .

[0025] In this embodiment, by setting up a PLC controller 401, a buzzer 402 and a gas detection sensor 403, when the gas detection sensor 403 detects that the gas content in the air exceeds the standard, the buzzer 402 will be controlled by the PLC controller 401 to sound an alarm to remind the user, thereby improving the safety of gas use, having strong practicality, and being convenient for users to use.

[0026] Specifically, the connection relationship between the bidirectional threaded rod 502 and the nut seat 503 is a threaded connection, and a threaded hole matched with the bidirectional threaded rod 502 is opened inside the nut seat 503 .

[0027] In this embodiment, a bidirectional threaded rod 502 and a nut seat 503 are provided, and the threaded connection relationship between the bidirectional threaded rod 502 and the nut seat 503 is utilized. By driving the bidirectional threaded rod 502 to rotate, the nut seat 503 is made to make a reverse horizontal movement along the outside of the bidirectional threaded rod 502, and then the nut seat 503 drives the clamping plate 506 to make a reverse horizontal movement, thereby releasing the clamping state between the clamping plate 506 and the lamp holder 6, realizing the disassembly of the alarm light 601, facilitating the repair or replacement of the alarm light 601, having strong practicality and being convenient for users to use.

[0028] Specifically, a sliding sleeve 504 is fixedly provided at the bottom of the nut seat 503 , a sliding rod 505 is provided inside the sliding sleeve 504 , and the connection relationship between the sliding sleeve 504 and the sliding rod 505 is a sliding connection.

[0029] In this embodiment, by setting the sliding sleeve 504 and the sliding rod 505, utilizing the sliding connection relationship between the sliding sleeve 504 and the sliding rod 505, when the nut seat 503 drives the clamping plate 506 to make reverse horizontal movement, the sliding sleeve 504 also slides along the outside of the sliding rod 505 synchronously, which can improve the stability of the movement of the clamping plate 506, and then can improve the stability of the entire clamping mechanism, has strong practicality, and is convenient for users to use.

[0030] When in use, the gas content in the air can be detected by the gas detection sensor 403. When it is detected that the gas content exceeds the standard, the buzzer 402 can be controlled by the PLC controller 401 to sound an alarm, thereby reminding the user to pay attention to gas leakage and improving the safety of gas use. When it is necessary to disassemble the gas alarm body 4, the spring 303 is compressed by pulling the pull ring 304 to both sides, so that one end of the pull rod 302 drives the clamping block 305 to move to the inside of the first groove 301, so that the clamping block 305 and the gas alarm body can be connected. The clamping state of the clamping grooves on both sides of the body 4 can realize the disassembly of the gas alarm body 4, which is convenient for the maintenance or replacement of the gas alarm body 4. When the alarm lamp 601 needs to be disassembled, the two-way threaded rod 502 is driven to rotate, so that the nut seat 503 makes a reverse horizontal movement along the outside of the two-way threaded rod 502, and then the nut seat 503 drives the clamping plate 506 to make a reverse horizontal movement, so that the clamping state between the clamping plate 506 and the lamp holder 6 can be released, and the alarm lamp 601 can be disassembled, which is convenient for the maintenance or replacement of the alarm lamp 601.

[0031] To summarize, the gas concentration alarm, by setting a bidirectional threaded rod 502, a nut seat 503 and a clamping plate 506, drives the bidirectional threaded rod 502 to rotate, so that the nut seat 503 makes a reverse horizontal movement along the outside of the bidirectional threaded rod 502, and then the nut seat 503 drives the clamping plate 506 to make a reverse horizontal movement, so that the clamping state between the clamping plate 506 and the lamp holder 6 can be released, and the alarm light 601 can be disassembled, which facilitates the maintenance or replacement of the alarm light 601. It has strong practicality and is convenient for users to use.

[0032] 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 concentration alarm, comprising a solenoid valve body (1), characterized in that: The solenoid valve body (1) is provided with a valve housing (2) movably disposed outside, a mounting seat (3) is fixedly disposed on the top of the valve housing (2), a first groove (301) is provided inside the mounting seat (3), a pull rod (302) is movably disposed inside the first groove (301), a spring (303) is sleeved outside the pull rod (302), a pull ring (304) is fixedly disposed at one end of the pull rod (302), a clamping block (305) is fixedly disposed at the other end of the pull rod (302), and the clamping block (305) is connected to the gas alarm body. The gas alarm body (4) is movably connected, a connecting seat (5) is fixedly arranged on the top of the gas alarm body (4), a second groove (501) is opened inside the connecting seat (5), a bidirectional threaded rod (502) is movably arranged inside the second groove (501), a nut seat (503) is movably arranged outside the bidirectional threaded rod (502), a clamping plate (506) is fixedly arranged on the top of the nut seat (503), the clamping plate (506) is clamped in the clamping groove of the lamp holder (6), and an alarm light (601) is fixedly arranged on the top of the lamp holder (6).

2. A gas concentration alarm according to claim 1, characterized in that: Fixing strips (201) are fixedly provided on both the front and rear sides of the valve housing (2), and the fixing strips (201) are connected via fixing bolts (202).

3. A gas concentration alarm according to claim 1, characterized in that: Both sides of the gas alarm body (4) are provided with clamping grooves adapted to the clamping blocks (305), and the clamping blocks (305) are clamped inside the clamping grooves.

4. A gas concentration alarm according to claim 1, characterized in that: A PLC controller (401) and a buzzer (402) are fixedly arranged on the front surface of the gas alarm body (4); the model of the PLC controller (401) is CPU224XP; and a gas detection sensor (403) is fixedly arranged on one side of the gas alarm body (4).

5. A gas concentration alarm according to claim 1, characterized in that: The connection relationship between the bidirectional threaded rod (502) and the nut seat (503) is a threaded connection, and a threaded hole matching the bidirectional threaded rod (502) is provided inside the nut seat (503).

6. A gas concentration alarm according to claim 1, characterized in that: A sliding sleeve (504) is fixedly arranged at the bottom of the nut seat (503), a sliding rod (505) is arranged inside the sliding sleeve (504), and the connection relationship between the sliding sleeve (504) and the sliding rod (505) is a sliding connection.

Images