Self-control smoke valve with external rotary supporting structure

Abstract

The utility model relates to the field of regulating valves, in particular to a self-control smoke valve with an external rotary supporting structure, which comprises a valve body, a central hole is arranged in the valve body, and a mounting seat is fixedly mounted at the top of the valve body; an automatic control mechanism; the automatic control mechanism comprises an annular groove formed in the top of the mounting base. When the valve body is opened or closed, the motor works to drive the screw rod to rotate, and the screw rod is in threaded connection with one pressing plate, synchronously drives the sliding rod and the other pressing plate to descend, applies pressure to the movable plate, drives the valve rod and the valve head to descend and is matched with the center hole, so that the valve body is automatically opened or closed. The situation that the reset elastic force of the spring and air pressure cause dislocation of the valve head, closing and opening of the valve body are affected, and then normal work of the valve body is affected can be avoided.

Description

Technical Field

[0001] The utility model relates to the field of regulating valves, in particular to an automatic smoke valve with an external rotating support structure. Background Art

[0002] In recent years, with the improvement of environmental protection requirements, various enterprises, especially high-pollution enterprises such as medicine, chemical industry, mining, etc., have more and more demands for environmental protection equipment; as key components in the equipment, various valves are also more and more widely used. These valves are used in pipelines to play the role of switching, reversing, and flow control; for some control valves, after being installed in the pipeline system, their control part needs to be connected to the control unit. Due to the complexity of the pipeline system, the control part of the valve is sometimes blocked inside, making it difficult to connect to the control system;

[0003] After searching, the automatic smoke valve with an external rotating support structure with the authorization announcement number of CN211599689U has the advantage of being easy for the electromagnet on the bracket to avoid the interference area and connect with the control unit, thereby reducing the difficulty of installation. However, the smoke valve uses an electromagnet to drive the valve stem and the valve head. In actual use, due to the elastic force of the spring return and the air pressure of the smoke, it is easy to cause the magnetic block and the electromagnet to dislocate, affecting the sealing performance of the smoke valve.

[0004] Therefore, an automatic smoke valve with an external rotating support structure is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic smoke valve with an external rotating support structure in order to solve the above-mentioned problem, thereby improving the problem that the elastic force of the spring return and the air pressure of the smoke easily cause the magnetic block and the electromagnet to be dislocated, thereby affecting the sealing performance of the smoke valve.

[0006] The utility model achieves the above-mentioned purpose through the following technical solutions: an automatic smoke valve with an external rotating support structure, comprising: a valve body, a center hole is arranged inside the valve body, a mounting seat is fixedly installed on the top of the valve body; an automatic control mechanism; wherein the automatic control mechanism comprises an annular groove opened on the top of the mounting seat, a swivel is rotatably installed in the inner cavity of the annular groove, a mounting frame is fixedly installed on the top of the swivel, an automatic control component is installed through the interior of the mounting frame, and the automatic control component is used to automatically control the opening and closing of the valve body.

[0007] Preferably, the automatic control component includes a movable plate arranged inside the mounting frame, a valve stem is fixedly installed on the bottom of the movable plate, the bottom end of the valve stem passes through the mounting seat and extends to the interior of the valve body, a valve head is fixedly installed on one end of the valve stem located inside the valve body, a fixed plate is fixedly installed on the top of the inner cavity of the mounting frame, sliding rods are installed through both sides of the top of the fixing plate, pressure plates are fixedly installed on both ends of the sliding rods, a motor is installed through the top of the mounting frame, a screw is fixedly installed on the output end of the motor, one end of the screw passes through a pressure plate and is rotatably connected to the top of the fixed plate, and the screw is threadedly connected to a pressure plate.

[0008] Preferably, guide rods are fixedly installed around the top of the mounting seat, the top of the guide rods passes through the movable plate and is slidably connected thereto, and a return spring is installed at the bottom of the movable plate and on the surface of the guide rods.

[0009] Preferably, a ball is arranged inside the annular groove, and grooves for mounting the ball are provided on the inner wall of the annular groove and one side of the rotating ring, and the annular groove and the rotating ring are rotatably connected via the ball.

[0010] Preferably, threaded holes are provided on the surfaces of the mounting seat and the swivel, bolts are installed through both sides of the mounting seat, and the bolts are threadedly connected to the threaded holes.

[0011] Preferably, an elastic sealing tube is installed between the movable plate and the mounting seat, and the elastic sealing tube is sleeved on the surface of the valve stem.

[0012] Preferably, the shape of the valve head is "cylindrical", and the material of the valve head is a rubber component.

[0013] Preferably, a sealing ring is installed at the penetration point between the valve stem and the mounting seat, and the sealing ring is made of a rubber component.

[0014] The beneficial effects of the utility model are:

[0015] 1. When the valve body is opened or closed, the motor drives the screw to rotate, and the screw is connected to a pressure plate through a thread, synchronously drives the slide bar and the other pressure plate to descend, exerts pressure on the movable plate, drives the valve stem and the valve head to descend, and cooperates with the center hole to automatically open or close the valve body, which can prevent the spring reset elastic force and air pressure from causing the valve head to dislocate, resulting in the closing and opening of the valve body being affected, and further affecting the normal operation of the valve body;

[0016] 2. When the valve body is installed in the pipeline, the annular groove and the swivel adjust the fixed position of the mounting frame through the rotation of the ball, the internal structure of the mounting frame and the installation pipeline of the valve body are misaligned, and the swivel is locked through the threaded connection between the bolt and the threaded hole, which facilitates the installation of the pipeline of the valve body, reduces the difficulty of installation, and improves the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the automatic control mechanism of the utility model;

[0019] Figure 3 for Figure 2 Enlarged view of area A in the middle;

[0020] Figure 4 It is a partial structural diagram of the automatic control mechanism of the utility model;

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the mounting frame of the utility model.

[0022] In the figure: 10, valve body; 11, mounting seat; 20, automatic control mechanism; 21, annular groove; 22, swivel; 23, mounting frame; 24, automatic control component; 241, movable plate; 242, valve stem; 243, valve head; 244, guide rod; 245, return spring; 246, fixed plate; 247, sliding rod; 248, pressure plate; 249, motor; 2401, screw; 25, ball; 26, threaded hole; 27, bolt; 28, elastic sealing tube. DETAILED DESCRIPTION

[0023] 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.

[0024] When implementing: Figure 1-5As shown, an automatic smoke valve with an external rotating support structure comprises: a valve body 10, a center hole is arranged inside the valve body 10, a mounting seat 11 is fixedly installed on the top of the valve body 10; an automatic control mechanism 20; wherein the automatic control mechanism 20 comprises an annular groove 21 opened on the top of the mounting seat 11, a rotating ring 22 is rotatably installed in the inner cavity of the annular groove 21, a mounting frame 23 is fixedly installed on the top of the rotating ring 22, an automatic control component 24 is installed through the inside of the mounting frame 23, and the automatic control component 24 is used to automatically control the opening and closing of the valve body 10; a ball 25 is arranged inside the annular groove 21, a groove for installing the ball 25 is arranged on the inner wall of the annular groove 21 and one side of the rotating ring 22, and the annular groove 21 and the rotating ring 22 are rotatably connected through the ball 25; threaded holes 26 are arranged on the surfaces of the mounting seat 11 and the rotating ring 22, bolts 27 are installed through both sides of the mounting seat 11, and the bolts 27 are threadedly connected to the threaded holes 26;

[0025] The annular groove 21 and the swivel 22 adjust the fixed position of the mounting frame 23 through the rotation of the ball 25, misalign the internal structure of the mounting frame 23 and the installation pipeline of the valve body 10, and lock the swivel 22 through the threaded connection between the bolt 27 and the threaded hole 26.

[0026] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the automatic control component 24 includes a movable plate 241 arranged inside the mounting frame 23, a valve stem 242 is fixedly installed at the bottom of the movable plate 241, the bottom end of the valve stem 242 passes through the mounting seat 11 and extends to the inside of the valve body 10, a valve head 243 is fixedly installed at one end of the valve stem 242 located inside the valve body 10, a fixed plate 246 is fixedly installed at the top of the inner cavity of the mounting frame 23, sliding rods 247 are installed through both sides of the top of the fixing plate 246, and pressing plates 248 are fixedly installed at both ends of the sliding rod 247, a motor 249 is installed through the top of the mounting frame 23, a screw 2401 is fixedly installed at the output end of the motor 249, one end of the screw 2401 passes through a pressing plate 248 and is rotatably connected to the top of the fixing plate 246, and the screw 2401 is threadedly connected to a pressing plate 248;

[0027] The motor 249 drives the screw rod 2401 to rotate, and the screw rod 2401 is connected with a pressure plate 248 by a thread, synchronously drives the slide rod 247 and the other pressure plate 248 to descend, exerts pressure on the movable plate 241, drives the valve stem 242 and the valve head 243 to descend, and cooperates with the center hole to close the valve body 10; the top of the mounting seat 11 is fixedly installed with a guide rod 244 all around, the top of the guide rod 244 passes through the movable plate 241 and is slidably connected with it, and the bottom of the movable plate 241 and the surface of the guide rod 244 are installed with a reset spring 245; when the valve body 10 needs to exhaust smoke, the motor 249 reverses to drive the pressure plate 248 to rise, and the movable plate 241 is automatically reset by the elasticity of the reset spring 245, and the center hole can be opened to exhaust smoke;

[0028] An elastic sealing tube 28 is installed between the movable plate 241 and the mounting seat 11, and the elastic sealing tube 28 is sleeved on the surface of the valve stem 242; the shape of the valve head 243 is "cylindrical", and the material of the valve head 243 is a rubber component; a sealing ring is installed at the penetration point of the valve stem 242 and the mounting seat 11, and the material of the sealing ring is a rubber component; the penetration point of the valve stem 242 and the mounting seat 11 can be sealed to prevent smoke leakage through the penetration point.

[0029] When the utility model is in use, the motor 249 drives the screw 2401 to rotate, and the screw 2401 is connected with a pressure plate 248 by a thread, synchronously drives the slide bar 247 and the other pressure plate 248 to descend, applies pressure to the movable plate 241, drives the valve stem 242 and the valve head 243 to descend, and cooperates with the center hole to close the valve body 10. When smoke exhaust is required, the motor 249 reverses and drives the pressure plate 248 to rise, and the movable plate 241 is automatically reset by the elasticity of the reset spring 245, so that the smoke is discharged through the valve body 10, and the automatic opening and closing operation of the valve body 10 can be realized.

[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic smoke valve with an external rotating support structure, characterized in that: include: A valve body (10), wherein a central hole is arranged inside the valve body (10), and a mounting seat (11) is fixedly mounted on the top of the valve body (10); Self-control agencies (20); The automatic control mechanism (20) comprises an annular groove (21) provided at the top of the mounting seat (11), a rotating ring (22) being rotatably mounted in the inner cavity of the annular groove (21), a mounting frame (23) being fixedly mounted on the top of the rotating ring (22), an automatic control component (24) being installed through the interior of the mounting frame (23), and the automatic control component (24) being used for automatically controlling the opening and closing of the valve body (10).

2. The automatic smoke valve with an external rotating support structure according to claim 1, characterized in that: The automatic control component (24) comprises a movable plate (241) arranged inside the mounting frame (23); a valve stem (242) is fixedly mounted on the bottom of the movable plate (241); the bottom end of the valve stem (242) passes through the mounting seat (11) and extends into the interior of the valve body (10); a valve head (243) is fixedly mounted on one end of the valve stem (242) located inside the valve body (10); a fixed plate (246) is fixedly mounted on the top of the inner cavity of the mounting frame (23); the fixed plate (24 6) Slide rods (247) are installed through both sides of the top, and pressure plates (248) are fixedly installed at both ends of the slide rods (247). A motor (249) is installed through the top of the mounting frame (23), and a screw rod (2401) is fixedly installed at the output end of the motor (249). One end of the screw rod (2401) passes through a pressure plate (248) and is rotatably connected to the top of the fixed plate (246), and the screw rod (2401) is threadedly connected to a pressure plate (248).

3. The automatic smoke valve with an external rotating support structure according to claim 2, characterized in that: Guide rods (244) are fixedly mounted around the top of the mounting seat (11); the top of the guide rod (244) passes through the movable plate (241) and is slidably connected thereto; a return spring (245) is mounted at the bottom of the movable plate (241) and on the surface of the guide rod (244).

4. The automatic smoke valve with an external rotating support structure according to claim 1, characterized in that: A ball (25) is arranged inside the annular groove (21), and a groove for mounting the ball (25) is provided on the inner wall of the annular groove (21) and one side of the rotating ring (22), and the annular groove (21) and the rotating ring (22) are rotatably connected via the ball (25).

5. The automatic smoke valve with an external rotating support structure according to claim 1, characterized in that: The surfaces of the mounting seat (11) and the rotating ring (22) are both provided with threaded holes (26), and bolts (27) are installed through both sides of the mounting seat (11), and the bolts (27) are threadedly connected to the threaded holes (26).

6. The automatic smoke valve with an external rotating support structure according to claim 2, characterized in that: An elastic sealing tube (28) is installed between the movable plate (241) and the mounting seat (11), and the elastic sealing tube (28) is sleeved on the surface of the valve stem (242).

7. The automatic smoke valve with an external rotating support structure according to claim 2, characterized in that: The shape of the valve head (243) is "cylindrical", and the material of the valve head (243) is a rubber component.

8. The automatic smoke valve with an external rotating support structure according to claim 2, characterized in that: A sealing ring is installed at the penetration point between the valve stem (242) and the mounting seat (11), and the sealing ring is made of a rubber component.

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