Safety emergency cut-off alarm valve for chemical production

Abstract

The safety emergency cut-off alarm valve comprises a U-shaped plate, a baffle is fixedly connected to the middle of the inner side of the U-shaped plate, a limiting rod penetrates through and is slidably connected to the middle of the baffle, a pressing block is fixedly connected to the left end of the limiting rod, and a spring is fixedly connected to the periphery of the limiting rod in the middle of the right side wall of the pressing block. The other end of the spring is fixedly connected to the left side wall of the baffle. According to the safety emergency cut-off alarm valve for chemical production, in the working process of the emergency cut-off valve, a lifting plate moves downwards on the inner side of an automatic cut-off assembly, pushing force for outward moving is applied to a pressing block in the downward moving process of the lifting plate, and the pressing block drives a limiting rod to move rightwards while moving outwards; the switch is pressed in the right moving process of the limiting rod, the alarm works, the loudspeaker and the alarm lamp work at the same time to give an alarm, and therefore a worker can know and process the gas pipeline at the first time, and the safety of chemical production is improved.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, specifically to an emergency shut-off alarm valve for safety in chemical production. Background Technology

[0002] In chemical production processes, combustible gases are often used in combination. There are many types of combustible gases, such as oil and gas, acetylene, methane, or ethanol. When using these combustible gases, they are usually transported through gas pipelines. To ensure safety during the transportation process, emergency shut-off valves are usually installed in the middle of the pipeline.

[0003] In existing technology, automatic shut-off valves are an important safety feature on combustible gas pipelines, used to cut off or connect the gas in the pipeline. They are suitable for pipelines carrying various gas media such as coal gas, liquefied petroleum gas, and natural gas. During use, when a pipeline leak causes a sudden increase in pressure inside the pipeline, the combustible gas automatic shut-off valve will automatically cut off the gas under high pressure. However, current emergency shut-off valves lack alarm devices after cutting off the pipeline, making it difficult for personnel to reach the scene in time to handle the situation, thus increasing the risk of accidents. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0005] This utility model relates to an emergency shut-off alarm valve for safety in chemical production, comprising a valve body, wherein an automatic alarm mechanism is provided on the outside of the valve body.

[0006] The automatic alarm mechanism includes a U-shaped plate, with a baffle fixedly connected to the middle of the inner side of the U-shaped plate. A limit rod is slidably connected through the middle of the baffle. A pressing block is fixedly connected to the left end of the limit rod. A spring is fixedly connected to the outer periphery of the limit rod on the middle of the right side wall of the pressing block. The other end of the spring is fixedly connected to the middle of the left side wall of the baffle. A switch is provided in the middle of the right side wall of the inner side of the U-shaped plate. A mounting platform is fixedly connected to the middle of the top wall of the valve body. A base is fixedly connected to the middle of the right side wall of the mounting platform. An alarm is fixedly connected to the top of the base.

[0007] In a preferred embodiment of this invention, the switch and the limiting rod are on the same horizontal line, the limiting rod is slidably connected to the spring, and the top left side of the pressing block is set to an arc shape.

[0008] As a preferred embodiment of this utility model, a speaker is provided in the middle of the front wall of the alarm, and an alarm light is provided in the middle of the top wall of the alarm.

[0009] As a preferred embodiment of this utility model, the valve body is fixedly connected to connecting flanges on both the left and right sides, and an automatic shut-off assembly is provided on the top of the mounting platform.

[0010] As a preferred embodiment of the present invention, the automatic cutting component has an opening in the middle, and a lifting plate is slidably connected to the middle of the inner side of the automatic cutting component, with the lifting plate and the inner side wall of the automatic cutting component having a clearance fit.

[0011] As a preferred embodiment of this invention, a controller is fixedly connected to the top of the automatic cutting component.

[0012] As a preferred technical solution of this utility model, a through hole is provided in the lower part of the right side wall of the automatic cutting component, and the through hole is in clearance fit with the pressing block.

[0013] The beneficial effects of this utility model are:

[0014] 1. This type of emergency shut-off alarm valve for chemical production safety works by having a lifting plate move downward inside the automatic shut-off assembly during operation. As the lifting plate moves downward, it applies an outward thrust to the pressing block, causing the pressing block to move outward and simultaneously moving the limit rod to the right. During the rightward movement of the limit rod, the switch is pressed, activating the alarm. The speaker and alarm light work simultaneously to sound the alarm, allowing staff to be notified immediately and take appropriate action on the gas pipeline, thus improving the safety of chemical production.

[0015] 2. This type of emergency shut-off alarm valve for chemical production safety has an opening in the middle of the automatic shut-off assembly, which allows direct observation of the working status of the emergency shut-off valve. At the same time, when the emergency shut-off valve needs maintenance, its internal components can be directly repaired, reducing the difficulty of maintaining the emergency shut-off valve. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a top view schematic diagram of the overall structure of an emergency shut-off alarm valve for safety in chemical production according to this utility model;

[0018] Figure 2 This is a side view schematic diagram of the overall structure of an emergency shut-off alarm valve for chemical production safety according to this utility model;

[0019] Figure 3 This is a front view schematic diagram of the overall structure of an emergency shut-off alarm valve for safety in chemical production according to this utility model;

[0020] Figure 4 This is a schematic diagram of an automatic alarm structure for an emergency shut-off alarm valve used in chemical production safety, according to this utility model.

[0021] In the diagram: 1. Valve body; 2. Automatic alarm mechanism; 3. Mounting platform; 4. Automatic shut-off assembly; 5. Opening; 6. Lifting plate; 7. Controller; 8. Through hole; 9. Pressing block; 10. Limiting rod; 11. Baffle; 12. U-shaped plate; 13. Switch; 14. Spring; 15. Base; 16. Alarm; 17. Alarm light; 18. Speaker; 19. Connecting flange. Detailed Implementation

[0022] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0023] Example: Figures 1-4 As shown, this utility model provides an emergency shut-off alarm valve for chemical production safety, including a valve body 1 and an automatic alarm mechanism 2 provided on the outside of the valve body 1.

[0024] The automatic alarm mechanism 2 includes a U-shaped plate 12, which provides space for the installation of the automatic alarm mechanism 2. A baffle 11 is fixedly connected to the middle of the inner side of the U-shaped plate 12. A limit rod 10 is slidably connected through the middle of the baffle 11. The baffle 11 allows the limit rod 10 to slide left and right in the middle of its middle while compressing the spring 14. A pressing block 9 is fixedly connected to the left end of the limit rod 10. A spring 14 is fixedly connected to the outer periphery of the limit rod 10 in the middle of the right side wall of the pressing block 9. The other end of the spring 14 is fixedly connected to the middle of the left side wall of the baffle 11. A switch 13 is provided in the middle of the right side wall of the inner side of the U-shaped plate 12. The switch 13 can activate the alarm 16 when the switch 13 is pressed, thereby making the alarm light 17 and the speaker 18 work. A mounting platform 3 is fixedly connected to the middle of the top wall of the valve body 1. A base 15 is fixedly connected to the middle of the right side wall of the mounting platform 3. An alarm 16 is fixedly connected to the top of the base 15. The base 15 serves to connect and fix the mounting platform 3 and the alarm 16.

[0025] In this configuration, switch 13 and limit rod 10 are on the same horizontal line, limit rod 10 is slidably connected to spring 14, and the top left side of pressing block 9 is set in an arc shape. The top of pressing block 9 is set in an arc shape so that the lifting plate 6 can apply an outward pushing force to pressing block 9 during the downward movement.

[0026] The alarm 16 has a speaker 18 installed in the middle of the front wall and an alarm light 17 installed in the middle of the top wall. When the alarm light 17 is working, it can flash to provide a visual reminder, and together with the sound reminder from the speaker 18, it can play a better warning role.

[0027] Among them, the valve body 1 is fixedly connected to the left and right sides with connecting flanges 19, and the top of the mounting platform 3 is equipped with an automatic shut-off assembly 4. The automatic shut-off assembly 4 is the core component of the emergency shut-off valve and belongs to the existing technology, so it will not be described in detail.

[0028] The automatic cutting component 4 has an opening 5 in the middle, and a lifting plate 6 is slidably connected to the middle of the inner side of the automatic cutting component 4. The lifting plate 6 is in clearance fit with the inner wall of the automatic cutting component 4, and the lifting plate 6 can contact the top of the pressing block 9 during the downward movement.

[0029] The automatic cutting component 4 is fixedly connected to a controller 7 at its top, which controls the up and down movement of the lifting plate 6.

[0030] Among them, the lower right side wall of the automatic cutting component 4 is provided with a through hole 8. The through hole 8 is in clearance fit with the pressing block 9. The pressing block 9 can move left and right inside the through hole 8. The through hole 8 plays a certain limiting role on the pressing block 9.

[0031] Working principle: During the operation of the emergency shut-off valve, the lifting plate 6 moves downward inside the automatic shut-off assembly 4. As the lifting plate 6 moves downward, it applies an outward pushing force to the pressing block 9, causing the pressing block 9 to move outward and simultaneously driving the limit rod 10 to move to the right. During the rightward movement of the limit rod 10, the switch 13 is pressed, causing the alarm 16 to work. The speaker 18 and the alarm light 17 work simultaneously to sound an alarm, enabling the staff to be informed immediately and to take action on the gas pipeline, reducing the possibility of accidents in the chemical production process and thus reducing the danger of chemical production.

[0032] Finally, it should be noted that in the description of this utility model, the terms "vertical," "upper," "lower," "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0033] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An emergency shut-off alarm valve for safety in chemical production, comprising a valve body (1), characterized in that: An automatic alarm mechanism (2) is provided on the outside of the valve body (1); The automatic alarm mechanism (2) includes a U-shaped plate (12), a baffle (11) is fixedly connected to the middle of the inner side of the U-shaped plate (12), a limit rod (10) is slidably connected through the middle of the baffle (11), a pressing block (9) is fixedly connected to the left end of the limit rod (10), a spring (14) is fixedly connected to the outer periphery of the limit rod (10) in the middle of the right side wall of the pressing block (9), the other end of the spring (14) is fixedly connected to the middle of the left side wall of the baffle (11), a switch (13) is provided in the middle of the right side wall of the U-shaped plate (12), a mounting platform (3) is fixedly connected to the middle of the top wall of the valve body (1), a base (15) is fixedly connected to the middle of the right side wall of the mounting platform (3), and an alarm (16) is fixedly connected to the top of the base (15).

2. The emergency shut-off alarm valve for safety in chemical production according to claim 1, characterized in that, The switch (13) and the limiting rod (10) are on the same horizontal line. The limiting rod (10) is slidably connected to the spring (14). The top left side of the pressing block (9) is set in an arc shape.

3. The emergency shut-off alarm valve for safety in chemical production according to claim 1, characterized in that, A speaker (18) is provided in the middle of the front wall of the alarm (16), and an alarm light (17) is provided in the middle of the top wall of the alarm (16).

4. The emergency shut-off alarm valve for safety in chemical production according to claim 1, characterized in that, The valve body (1) is fixedly connected to connecting flanges (19) on both the left and right sides, and the mounting platform (3) is provided with an automatic shut-off assembly (4) on the top.

5. The emergency shut-off alarm valve for chemical production safety according to claim 4, characterized in that, The automatic cutting assembly (4) has an opening (5) in the middle, and a lifting plate (6) is slidably connected to the middle of the inner side of the automatic cutting assembly (4). The lifting plate (6) is in clearance fit with the inner wall of the automatic cutting assembly (4).

6. The emergency shut-off alarm valve for safety in chemical production according to claim 4, characterized in that, The automatic cutting component (4) is fixedly connected to a controller (7) at its top.

7. The emergency shut-off alarm valve for safety in chemical production according to claim 4, characterized in that, The automatic cutting component (4) has a through hole (8) in the lower part of the right side wall, and the through hole (8) is in clearance fit with the pressing block (9).

Images