A valve capable of being closed in position and provided with an alarm device

Abstract

The application discloses a valve capable of being closed in a limited mode and provided with an alarm device, which comprises a T-shaped pipe, a cylindrical plug, a mounting base, a circular rotary disc, a driving motor, a sliding groove and a torsion mechanism, both ends of the T-shaped pipe are connected with medium flow pipelines respectively, one end of the cylindrical plug is inserted into a vertical pipe of the T-shaped pipe, the circular rotary disc is rotatably connected above the mounting base, the driving motor drives the circular rotary disc to rotate, a rotating shaft of the circular rotary disc penetrates through the mounting base and is fixedly connected with the sliding groove, the sliding groove and the top end of the cylindrical plug are connected through the torsion mechanism, the center line of the cylindrical plug and the center line of the circular rotary disc are not on the same line, the sliding groove drives the cylindrical plug to rotate in the vertical pipe of the T-shaped pipe and simultaneously moves upward or downward through the torsion mechanism, the opening and closing of the valve are realized, and a sensor for detecting whether medium flows is arranged at one end of the T-shaped pipe close to an outlet. The valve provided by the application is simple in operation and reliable in structure, and the risk of human operation is greatly reduced.

Description

Technical Field

[0001] This invention relates to the field of valve technology, specifically to a valve that can be limited to a closed position and is equipped with an alarm device. Background Technology

[0002] Valves are pipeline accessories used to open and close pipes, control flow direction, and regulate and control the transport of media. Valves are widely used in daily life, from small bathrooms and kitchens to various factories and enterprises. However, most valves currently have drawbacks such as difficulty in closing and inability to confirm whether they are completely closed. Therefore, it is extremely important to design a valve with limit closing and an alarm device. Summary of the Invention

[0003] In view of the problems existing in the prior art, the present invention provides a valve that can be limited to close and has an alarm device. The valve is limited to close by using a torsion mechanism, which has the characteristics of safety, reliable operation and simple structure.

[0004] The technical solution adopted in this invention is as follows: a valve with a limit-closing function and an alarm device, comprising a T-tube, a cylindrical plug, a mounting base, a circular turntable, a drive motor, a slide groove, and a torsion mechanism. Both ends of the T-tube are connected to a medium flow pipe. One end of the cylindrical plug is inserted into the vertical section of the T-tube. A circular turntable is rotatably connected above the mounting base. The drive motor is driven by the circular turntable to drive its rotation. The rotation axis of the circular turntable passes through the mounting base and is fixedly connected to a slide groove. The slide groove is connected to the top of the cylindrical plug via the torsion mechanism. The centerline of the cylindrical plug and the centerline of the circular turntable are not on the same straight line. When the slide groove rotates with the circular turntable, the torsion mechanism drives the cylindrical plug to rotate within the vertical section of the T-tube and simultaneously move upwards or downwards, thereby opening and closing the valve. A sensor for detecting whether a medium flows through is installed at the end of the T-tube near the outlet.

[0005] Furthermore, the torsion mechanism includes a connecting rod, the two ends of which are connected to the top of the cylindrical plug and the slide groove respectively via a cross connector.

[0006] Furthermore, a slider is slidably connected within the groove, and the torsion mechanism is connected to the slider.

[0007] Furthermore, it also includes an alarm device, which is connected to the sensor signal.

[0008] Furthermore, it also includes a disc locking mechanism. The disc has a limit hole. The disc locking mechanism includes a limit post that cooperates with the limit hole and a disc positioning sensor. When the disc rotates to raise the plunger to the upper limit and when it is about to reach the lower limit, the disc positioning sensor is triggered to control the limit post to extend and engage in the limit hole on the disc and to control the drive motor to stop.

[0009] The beneficial effects of this invention are as follows:

[0010] This invention employs a torsion mechanism to control the plunger. A drive motor rotates a circular turntable, which in turn rotates a sliding groove. The sliding groove, through the torsion mechanism, drives the plunger to rotate within the vertical section of the T-tube and simultaneously move it upwards or downwards, thus achieving the limit opening and closing of the valve. The operation is simple, the structure is reliable, greatly reducing the risk of human operation and ensuring high safety. A sensor for detecting whether media is flowing through is also installed at the end of the T-tube near the outlet. When the plunger descends to the bottom of the T-tube and locks, the sensor detects whether media is flowing through, enabling automatic detection and alarm prompts. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0012] Figure 2 This is a structural schematic diagram from another perspective of the present invention.

[0013] Figure 3 yes Figure 1 A magnified view of a section at point II.

[0014] Figure 4 yes Figure 1 A magnified view of a section at point III. Detailed Implementation

[0015] To facilitate understanding of the present invention, the present invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of protection of the present invention is not limited to the following specific embodiments.

[0016] like Figures 1-4As shown, a valve with a limit-closing mechanism and an alarm device according to this embodiment includes a T-tube 9, a cylindrical plug 8, a mounting base 1, a circular turntable 2, a drive motor, a slide 4, a torsion mechanism, and an alarm device. Both ends of the T-tube 9 are connected to a medium flow pipe. One end of the cylindrical plug 8 is inserted into the vertical section of the T-tube 9. The circular turntable 2 is rotatably connected above the mounting base 1. The drive motor is connected to the circular turntable 2 to drive its rotation. The rotation axis of the circular turntable 2 passes through the mounting base 1 and... A sliding groove 4 is fixedly connected to the top of the cylindrical plug 8 via a torsion mechanism. The center line of the cylindrical plug 8 is not on the same straight line as the center line of the circular turntable 2. When the sliding groove 4 rotates together with the circular turntable 2, the torsion mechanism drives the cylindrical plug 8 to rotate in the vertical tube of the T-shaped tube 9 and move upward or downward at the same time, thereby realizing the opening and closing of the valve. A sensor 10 for detecting whether there is a medium flowing through is installed at one end of the T-shaped tube 9 near the outlet. The alarm device is connected to the sensor 10.

[0017] In this embodiment, the torsion mechanism includes a connecting rod 7, and the two ends of the connecting rod 7 are respectively connected to the top of the cylindrical plug 8 and the slide groove 4 through a cross connector 6.

[0018] To achieve a locking function for the circular turntable 2 when the valve is fully open or closed, a disc locking mechanism is also included. The circular turntable 2 has a limit hole 3. The disc locking mechanism includes a limit post that cooperates with the limit hole 3 and a circular turntable position sensor. When the circular turntable 2 rotates to raise the cylindrical plug 8 to the upper limit and when it is about to reach the lower limit, the circular turntable position sensor is triggered respectively to control the limit post to extend and engage in the limit hole 3 on the circular turntable 2, and to control the drive motor to stop. When it is necessary to restart, the limit post is controlled to reset and the drive motor is started.

[0019] As another optional embodiment of the present invention, a slider 5 is slidably connected in the groove 4, and the torsion mechanism is connected to the slider 5.

[0020] The working process of this invention is as follows:

[0021] Step 1: Start the drive motor. The drive motor generates power to drive the circular turntable 2 to move. The circular turntable 2 drives the slider 5 to slide. The slider 5 drives the connecting rod 7 to move. The other end of the connecting rod 7 is connected to the top of the cylindrical plug 8. While driving the cylindrical plug 8 to rotate, it moves downward. The cylindrical plug 8 enters the T-tube, thereby realizing the control of the medium in the pipeline.

[0022] Step 2: When the circular turntable 2 rotates to the correct position (180 degrees), the circular turntable position sensor is triggered. The limiting post extends and engages with the limiting hole 3 on the circular turntable 2 to restrict the rotation of the circular turntable 2, and controls the drive motor to stop, thus realizing the locking function of the circular turntable.

[0023] Step 3: After Step 2 is completed, before opening the valve, control the limit column to reset and start the motor again. When the circular turntable 2 continues to rotate 180 degrees, the cylindrical plug 8 moves upward, thereby opening the valve and locking the circular turntable 2 again. Repeat the above steps.

[0024] With the aid of the teachings present in the foregoing description and related drawings, those skilled in the art will conceive of many modifications and other embodiments of the invention. Therefore, it is to be understood that the invention is not limited to the specific embodiments disclosed, and modifications and other embodiments are considered to be included within the scope of the appended claims. Although specific terms are used herein, they are used in a general and descriptive sense only and are not intended to be limiting.

Claims

1. A valve with a limit-closing mechanism and an alarm device, characterized in that: The system includes a T-tube (9), a cylindrical plug (8), a mounting base (1), a circular turntable (2), a drive motor, a slide (4), and a torsion mechanism. Both ends of the T-tube (9) are connected to a medium flow pipe. One end of the cylindrical plug (8) is inserted into the vertical section of the T-tube (9). A circular turntable (2) is rotatably connected above the mounting base (1). The drive motor is connected to the circular turntable (2) to drive its rotation. The rotation axis of the circular turntable (2) passes through the mounting base (1) and is fixedly connected. There is a slid groove (4), and the top of the slid groove (4) is connected to the top of the cylindrical plug (8) through the torsion mechanism. The center line of the cylindrical plug (8) is not on the same straight line as the center line of the circular turntable (2). When the slid groove (4) rotates together with the circular turntable (2), the cylindrical plug (8) is driven to rotate in the vertical tube of the T-tube (9) through the torsion mechanism and move up or down at the same time to realize the opening and closing of the valve. A sensor (10) for detecting whether there is a medium flowing through is installed at one end of the T-tube (9) near the outlet.

2. A valve with a limit-closing mechanism and an alarm device according to claim 1, characterized in that: The torsion mechanism includes a connecting rod (7), the two ends of which are connected to the top of the cylindrical plug (8) and the slide groove (4) respectively through a cross connector (6).

3. A valve with a limit-closing mechanism and an alarm device according to claim 1 or 2, characterized in that: A slider (5) is slidably connected inside the groove (4), and the torsion mechanism is connected to the slider (5).

4. A valve with a limit-closing mechanism and an alarm device according to claim 1, characterized in that: It also includes an alarm device, which is connected to the sensor signal.

5. A valve with a limit-closing mechanism and an alarm device according to claim 1, characterized in that: It also includes a disc locking mechanism. The disc (2) has a limit hole (3). The disc locking mechanism includes a limit post that cooperates with the limit hole (3) and a disc positioning sensor. When the disc (2) rotates to the point that the piston (8) rises to the upper limit and falls to the lower limit, the disc positioning sensor is triggered to control the limit post to extend and engage in the limit hole (3) on the disc (2) and to control the drive motor to stop.

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