CN218570637U - Gas alarm detects flow controller - Google Patents

Gas alarm detects flow controller Download PDF

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Publication number
CN218570637U
CN218570637U CN202222430260.5U CN202222430260U CN218570637U CN 218570637 U CN218570637 U CN 218570637U CN 202222430260 U CN202222430260 U CN 202222430260U CN 218570637 U CN218570637 U CN 218570637U
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China
Prior art keywords
wall
flow controller
gas
worm
controller main
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CN202222430260.5U
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Chinese (zh)
Inventor
胡志明
赵东旭
王志莹
张星
郭雨
付子健
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China National Metrological Testing Shenyang Co ltd
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China National Metrological Testing Shenyang Co ltd
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Abstract

The utility model belongs to the technical field of gas flow detects technique and specifically relates to a gas alarm detects flow controller, which comprises a housin, the inner wall of casing is equipped with control mechanism, control mechanism includes the worm, the outer wall of worm rotates with the inner wall of casing and links to each other, the rear end face of worm meshes with the positive terminal surface of worm wheel mutually, the inner wall of worm wheel and the inner wall looks rigid coupling of bull stick, the outer wall of bull stick rotates with the inner wall of casing and links to each other, the bottom of bull stick and the top looks rigid coupling of valve plate. The worm wheel on the worm is driven to rotate through the motor during operation, and the worm wheel drives the valve plate to rotate and shelters from the inside gas of flow controller main part to this reduces the inside gas flow rate of flow controller main part, and gas alarm controls the gas flow rate of inside through gas flow controller main part when making, prevents that the velocity of flow from leading to the alarm both sides appearance gas leakage too fast, the accident can not appear.

Description

Gas alarm detects flow controller
Technical Field
The utility model relates to a gas flow detects technical field, specifically is a gas alarm detects flow controller.
Background
The gas alarm is a gas leakage detection alarm instrument, when combustible or toxic gas leaks in an industrial environment and the gas alarm detects that the gas concentration reaches a critical point set by the explosion or toxic alarm, the gas alarm sends an alarm signal to remind work to take safety measures, and when the gas alarm sends the alarm signal, the gas alarm can also detect and control the gas flow.
Present gas alarm is in the use, when the inside gas flow velocity of pipeline is very fast, it is too high to explain the inside atmospheric pressure of pipeline, gas alarm does not carry out flow detection to the inside gas of pipeline, and control gaseous velocity of flow, thereby lead to the junction of pipeline and alarm both sides, the risk of gas leakage appears easily, when having gas leakage in the pipeline, gas can get into inside the alarm, gas exceeds standard in the alarm detected the air, can automatic alarm, remind the staff the gas leakage condition to have appeared, and gas leakage appears at night, when the alarm periphery does not have the staff, gas can continuously reveal and lead to the occurence of failure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the gas alarm and not carrying out flow measurement and controlling the gas velocity of flow in the pipeline, the velocity of flow leads to alarm both sides gaseous revealing to appear at the excessive speed, leads to the problem of occurence of failure, and the gas alarm that provides detects flow controller.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the design is that a gas alarm detects flow controller, which comprises a housin, the inner wall of casing is equipped with control mechanism, control mechanism includes the worm, the outer wall of worm rotates with the inner wall of casing and links to each other, the rear end face of worm meshes with the positive terminal surface of worm wheel mutually, the inner wall of worm wheel and the inner wall looks rigid coupling of bull stick, the outer wall of bull stick rotates with the inner wall of casing and links to each other, the bottom of bull stick and the top looks rigid coupling of valve plate.
Preferably, one end of the worm is fixedly connected with a motor, and the outer wall of the motor is fixedly connected with the outer wall of the flow controller main body.
Preferably, the bottom of the valve plate is rotatably connected to the inner wall of the flow controller body.
Preferably, the inner wall of the flow controller main body is connected with a bolt in a threaded manner, and the outer wall of the bolt is connected with a nut in a threaded manner.
Preferably, the top rigid coupling of flow controller main part has the display screen, the top laminating of flow controller main part has gaseous alarm, the top screw thread of flow controller main part has met the threaded rod, the one end of threaded rod is laminated with the outer wall of gaseous alarm mutually.
The utility model provides a pair of gas alarm detects flow controller, beneficial effect lies in: the worm wheel on the worm is driven to rotate through the motor during operation, and the worm wheel drives the valve plate to rotate and shelters from the inside gas of flow controller main part to this reduces the inside gas flow rate of flow controller main part, and gas alarm controls the gas flow rate of inside through gas flow controller main part when making, prevents that the velocity of flow from leading to the alarm both sides appearance gas leakage too fast, the accident can not appear.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the worm, worm gear and rotary rod in FIG. 1;
FIG. 3 is a schematic view of the connection structure of portion A of FIG. 1;
fig. 4 is a schematic view of a connection structure of a portion B in fig. 1.
In the figure: 1. the flow controller comprises a shell, 2, a control mechanism, 201, a worm, 202, a worm wheel, 203, a rotating rod, 204, a valve plate, 2a1, an air guide pipe, 2a2, an air inlet, 3, a flow controller body, 4, a motor, 5, a bolt, 6, a nut, 7, a display screen, 8, a gas alarm, 9 and a threaded rod.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
referring to figures 1-4: in this embodiment 1, a gas alarm detection flow controller includes a housing 1, a control mechanism 2 is disposed on an inner wall of the housing 1, the control mechanism 2 controls a flow rate of a gas inside a flow controller main body 3, the control mechanism 2 includes a worm 201, a worm wheel 202, a rotating rod 203 and a valve plate 204, an outer wall of the worm 201 is rotatably connected to an inner wall of the housing 1, the housing 1 limits the worm 201, a rear end surface of the worm 201 is engaged with a positive end surface of the worm wheel 202, the worm 201 drives the worm wheel 202 to rotate, a self-locking function is provided between the worm 201 and the worm wheel 202, an inner wall of the worm wheel 202 is fixedly connected to an inner wall of the rotating rod 203, the worm wheel 202 drives the rotating rod 203 to rotate, an outer wall of the rotating rod 203 is rotatably connected to an inner wall of the housing 1, the housing 1 limits the rotating rod 203, a bottom of the rotating rod 203 is fixedly connected to a top of the valve plate 204, the rotating rod 203 drives the valve plate 204 to rotate, one end of the worm 201 is fixedly connected with a motor 4, the motor 4 provides power for the worm 201, the outer wall of the motor 4 is fixedly connected with the outer wall of the flow controller main body 3, the model of the motor 4 is selected according to actual requirements, the model of the flow controller main body 3 is JKM-LWQ, the bottom of the valve plate 204 is rotatably connected with the inner wall of the flow controller main body 3, the flow controller main body 3 limits the position of the valve plate 204, the inner wall thread of the flow controller main body 3 is connected with a bolt 5, the outer wall thread of the bolt 5 is connected with a nut 6, the flow controller main body and a pipeline are fixed together by the bolt 5 matched with the nut 6, the top of the flow controller main body 3 is fixedly connected with a display screen 7, the display screen 7 is not excessively elaborated in the prior art, the top of the flow controller main body 3 is attached with a gas alarm 8, the model of the gas alarm 8 is GND-20, the top thread of the flow controller main body 3 is connected with a threaded rod 9, the flow controller main body 3 limits the threaded rod 6, one end of the threaded rod 9 is attached to the outer wall of the gas alarm 8, the threaded rod 9 fixes the gas alarm 8, and the gas alarm 8 is matched with the flow controller 3 to prevent accidents;
motor 4 during operation drives worm wheel 202 on the worm 201 and rotates, and worm wheel 202 drives valve plate 204 and rotates and shelter from to the inside gas of flow controller main part 1 to this reduces the inside gas flow rate of flow controller main part 1, and gas alarm 8 controls the inside gas flow rate through gas flow controller main part 3 when making, prevents that the velocity of flow is too fast to lead to gas leakage to appear in gas alarm 8 both sides, the accident can not appear.
The working principle is as follows:
when flow controller main part 1 detects the gas flow rate at the excessive speed, through the work of wire control motor 4, motor 4 during operation drives worm 201 and rotates, worm 201 drives worm wheel 202 and rotates, worm wheel 202 drives bull stick 203 and rotates, bull stick 203 drives valve plate 204 and rotates, valve plate 204 rotates the back and shelters from the gas of 1 inside of flow controller main part, reduce the gas flow rate of 1 inside of flow controller main part with this, gas alarm 8 controls the gas flow rate of inside through gas flow controller main part 3 when making, prevent that the velocity of flow is too fast to lead to the alarm both sides to appear gas leakage, the accident can not appear, it is fixed to gas alarm 8 to rotate threaded rod 9, gas alarm 8 detects gas concentration when the air and exceeds standard, send the alarm sound.
Referring to FIG. 3: in embodiment 2, a control mechanism 2 of a flow controller for detecting a gas alarm may further include a gas guide tube 2a1 and a gas inlet 2a2, an inner side of the gas guide tube 2a1 is fixedly connected to an outer side of a gas alarm 8, gas enters the alarm 8 through the gas guide tube 2a1, an outer side of the gas guide tube 2a1 is communicated with a top of the gas inlet 2a2, and the gas inlet 2a2 facilitates inside the gas guide tube 2a 1;
the gas inlet 2a2 is large, so that gas can enter the gas alarm 8 conveniently.
The working principle is as follows:
inside gas got into air duct 2a1 by air inlet 2a2, air duct 2a1 sent into gas alarm 8 with gas inside, and air inlet 2a2 is great, and it is inside that gas gets into gas alarm 8 to be convenient for.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims (5)

1. A gas alarm detects flow controller, includes casing (1), its characterized in that: the inner wall of casing (1) is equipped with control mechanism (2), control mechanism (2) include worm (201), the outer wall of worm (201) rotates with the inner wall of casing (1) and links to each other, the rear end face of worm (201) meshes with the positive terminal surface of worm wheel (202) mutually, the inner wall of worm wheel (202) and the inner wall looks rigid coupling of bull stick (203), the outer wall of bull stick (203) rotates with the inner wall of casing (1) and links to each other, the bottom of bull stick (203) and the top looks rigid coupling of valve plate (204).
2. A gas alarm detection flow controller according to claim 1, wherein: one end of the worm (201) is fixedly connected with a motor (4), and the outer wall of the motor (4) is fixedly connected with the outer wall of the flow controller main body (3).
3. A gas alarm detection flow controller according to claim 1, wherein: the bottom of the valve plate (204) is rotationally connected with the inner wall of the flow controller main body (3).
4. A gas alarm detection flow controller according to claim 2, wherein: the inner wall thread of the flow controller main body (3) is connected with a bolt (5), and the outer wall thread of the bolt (5) is connected with a nut (6).
5. A gas alarm detection flow controller according to claim 2, wherein: the top rigid coupling of flow controller main part (3) has display screen (7), the top laminating of flow controller main part (3) has gas alarm (8), the top screw thread of flow controller main part (3) has met threaded rod (9), the one end of threaded rod (9) is laminated with the outer wall of gas alarm (8) mutually.
CN202222430260.5U 2022-09-14 2022-09-14 Gas alarm detects flow controller Active CN218570637U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222430260.5U CN218570637U (en) 2022-09-14 2022-09-14 Gas alarm detects flow controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222430260.5U CN218570637U (en) 2022-09-14 2022-09-14 Gas alarm detects flow controller

Publications (1)

Publication Number Publication Date
CN218570637U true CN218570637U (en) 2023-03-03

Family

ID=85311239

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222430260.5U Active CN218570637U (en) 2022-09-14 2022-09-14 Gas alarm detects flow controller

Country Status (1)

Country Link
CN (1) CN218570637U (en)

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