TWM596296U - Pendulum valve - Google Patents

Abstract

A pendulum valve is disclosed. The pendulum valve comprises: a valve body, a gate plate, a rotation shaft, a first drive mechanism, and a second drive mechanism. The valve body is hollow and has a first opening. The gate plate is movably located inside the valve body. The rotation shaft is connected to the gate plate. The first drive mechanism is designed to rotate the gate plate via the rotation shaft such that the position of is gate plate is shifted to aim at the first opening or be away from the first opening. The second drive mechanism is designed to raise up or down the gate plate such that the gate plate can close or open the first opening.

Description

Pendulum valve

This creation is about a kind of valve, especially about a pendulum valve.

Valve (valve) devices are often used between fluid lines, which are mainly used as the flow of fluid in the pipeline, pressure control, regulation, steering, check, start or stop flow, etc. There are quite a few types of valves, and they will have different applicable valve types due to the different types of fluids used in water pipes, oil pressure or air pressure or the different functions that are preset. In terms of the structure of a vacuum valve currently in common use, it is mainly divided into a gate valve of a straight-type opening and closing action, a butterfly valve of a rotary opening and closing action, and a pendulum valve of a rocker arm opening and closing action.

However, due to the heavy weight of the gate of the large pendulum valve, after turning the gate many times, it is easy to cause a poor sealing effect due to tilt, which affects the airtight effect.

In view of the above-mentioned problems of the conventional art, one of the purposes of this creation is to provide a pendulum valve to solve the problem of poor sealing effect caused by tilting of the gate.

In order to achieve the foregoing purpose, the present invention proposes a pendulum valve at least including a valve body, a shutter, a rotating shaft, a first driving mechanism and a second driving mechanism. The valve body is hollow and has at least a first valve port. The gate is movable in the valve body. Rotate the shaft to connect the shutter. The first driving mechanism rotates through the driving rotating shaft to rotate the shutter, so that the position of the shutter corresponds to the first valve port or away from the first valve port. The second driving mechanism lifts and lowers the shutter by driving the rotating shaft, so that the shutter contacts or moves away from the first valve port to close or open the first valve port.

The first driving mechanism and/or the second driving mechanism are pneumatic cylinders.

Wherein, the second driving mechanism includes at least a first pneumatic cylinder disposed on the valve body, and the first piston plate of the first pneumatic cylinder is used to abut the rotating shaft to drive the rotating shaft and the shutter plate away from the first valve port Longitudinal displacement.

A wave spring is further provided between the rotating shaft and the first piston plate, and the first piston plate of the first pneumatic cylinder pushes the rotating shaft through the wave spring.

Wherein, the pendulum valve further includes at least a thrust bearing, wherein when the rotating shaft interlocks with the longitudinal displacement of the shutter to open the first valve port and laterally moves away from the first valve port, the thrust bearing bears at least one support portion of the rotating shaft Push.

Among them, the first pneumatic cylinder has a first cylinder, and the rotating shaft is used as the first piston rod of the first cylinder. When the first cylinder is inflated, the first piston plate of the first pneumatic cylinder is pushed up by the gas pressure In order to drive the rotating shaft and the shutter to move longitudinally away from the first valve port.

Among them, the first pneumatic cylinder has a first cylinder and a second cylinder, and the rotating shaft system is used as the first piston rod of the first cylinder and the second cylinder at the same time. When the first cylinder and the second cylinder are inflated, The supporting portion of the first piston plate in the first cylinder and the rotating shaft in the second cylinder is pushed up by the gas pressure to longitudinally displace the supporting portion of the rotating shaft and the first piston plate of the first pneumatic cylinder.

Wherein, the second driving mechanism includes a second pneumatic cylinder disposed on the valve body, and the second piston rod of the second pneumatic cylinder selectively pushes the gate or moves away from the gate.

Among them, the second pneumatic cylinder further includes a return spring. When the second pneumatic cylinder deflates, the return spring causes the second piston rod of the second pneumatic cylinder to protrude outward to push the shutter. When the second pneumatic cylinder is inflated, The second piston rod of the second pneumatic cylinder is retracted to leave the movement path of the shutter.

The shutter has a seal, and the return spring pushes the shutter through the seal.

In summary, the pendulum valve of this creation can have one or more of the following advantages:

(1) The pendulum valve of this creation is actuated by a two-stage drive gate to open or close the valve port. To close the valve port, turn the gate horizontally to make the position of the gate correspond to the valve port, and then vertically lift the height of the gate to close the valve port in an airtight manner.

(2) Rotate the gate and lift gate through a single rotating shaft, which has low cost and can effectively use the space of the accommodating groove of the valve body.

(3) By moving the piston rod of the pneumatic cylinder by inflation/deflation, the rotating shaft and the shutter can be driven up and down. Moreover, the return spring can accumulate the compressive force of the spring when the gate is away from the valve port, so that when the second pneumatic cylinder is inflated, the return spring will provide the restoring force (accumulated compressive force), so that the gate can close the valve more closely mouth.

(4) Suitable for large pendulum valves.

In order to enable Junshen to have a better understanding and understanding of the technical characteristics and technical effects of this creation, I would like to use the preferred embodiments and detailed descriptions as follows.

In order to better understand the technical features, content and advantages of this creation and the achievable effects, the creation is combined with the drawings, and the expressions of the embodiments are described in detail below. The purpose of the drawings used is only For the purpose of illustration and supplementary instruction, it may not be the true proportion and precise configuration after the implementation of the creation, so the proportion and configuration relationship of the attached drawings should not be interpreted and limited to the scope of the actual rights of the creation. In addition, for ease of understanding, the same elements in the following embodiments are described with the same symbols. The size ratios of the components shown in the drawings are only for the convenience of explaining the elements and their structures, and are not intended to be limiting.

In addition, the terms used throughout the specification and the scope of patent application, unless otherwise specified, usually have the ordinary meaning that each term is used in this field, in the content disclosed here, and in the special content. Certain terms used to describe this creation will be discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the creation.

With regard to the use of "first", "second", "third", etc. in this article, it does not specifically mean the order or order, nor is it used to limit the creation, it is only to distinguish the components described in the same technical terms Or just operate.

Secondly, if the words "include", "include", "have", "include", etc. are used in this article, they are all open terms, which means including but not limited to.

Please refer to FIGS. 1-8 together. FIG. 1 is a three-dimensional exploded schematic view of the pendulum valve created by the author; FIG. 2 is a schematic top view of the pendulum valve created by the author; FIG. 3 is a schematic top view of the pendulum valve created by the author, of which The outer cover has been removed; Figure 4 is a schematic cross-sectional view of the pendulum valve of the creation, where the position of the gate corresponds to the first valve port and abuts the first valve port (the pendulum valve is closed); Figure 5 is the pendulum valve of the creation Schematic diagram of the cross section, where the position of the gate corresponds to the first valve port, but does not abut the first valve port (opening of the pendulum valve); Figure 6 is a schematic cross section of the pendulum valve of the creation, where the position of the gate does not correspond to the first A valve port; Figure 7 is a partially enlarged view of Figure 4; Figure 8 is a partially enlarged view of Figure 5. 4 to 8 are schematic cross-sectional views taken along the line L-L' in FIG. 2.

The pendulum valve of this creation includes at least the valve body 10, the gate 20, the rotating shaft 50, the first driving mechanism 30 and the second driving mechanism. The valve body 10 is hollow and has an accommodating groove 13, a first valve port 11 and a second valve port 12, wherein the first valve port 11 and the second valve port 12 communicate with opposite sides of the accommodating groove 13. Moreover, the valve body 10 may be, for example, a single structure or a combined structure. For example, the valve body 10 is, for example, a gas-tight combination of the first half 15 and the second half 17, and the first valve port 11 and the second valve port 12 are located on the second half 17, for example. The shutter 20 is movably disposed in the accommodating groove 13 of the valve body 10. The gate 20 of the present invention can be longitudinally displaced in the accommodating groove 13 of the valve body 10, and the position can be moved by lifting height and lateral displacement. One feature of this creation is that the shutter 20 is provided at one end of the rotating shaft 50 and rotates through the rotating shaft 50 and moves vertically (vertically) of the rotating shaft 50 to achieve the purpose of opening or closing the first valve port 11. That is, the relative position of the shutter 20 and the rotating shaft 50 will not change, but the relative position of the shutter 20 and the rotating shaft 50 relative to the first valve port 11 of the valve body 20 will change.

The rotating shaft 50 of this creation is rotated by the driving of the first driving mechanism 30, so that the shutter 20 rotates synchronously, that is, the shutter 20 is laterally displaced to move the position. Therefore, the first driving mechanism 30 can be used so that the position of the shutter 20 corresponds to the first valve port 11 or not.

In addition, the rotating shaft 50 is longitudinally displaced by the driving of the second driving mechanism, so that the shutter 20 is synchronized with the longitudinal displacement. That is, when the rotating shaft 50 is displaced toward the first valve port 11, the shutter 20 will sealingly abut the first valve port 11 to close the first valve port 11. When the rotating shaft 50 is displaced away from the first valve port 11, the shutter 20 is moved away from the first valve port 11 for opening the first valve port 11.

The second driving mechanism of the pendulum valve of the present creation includes a first pneumatic cylinder 41 and a second pneumatic cylinder 42, and the second driving mechanism is used to drive the gate 20 to move up and down through the rotating shaft 50, that is, longitudinally by driving the rotating shaft 50 The displacement drives the shutter 20 to move up and down along another plane (for example, YZ plane). In other words, when the first valve port 11 of the pendulum valve is to be closed, the first driving mechanism 30 first drives the gate 20 to rotate through the rotating shaft 50, and the position of the gate 20 corresponds to the first valve port 11, and then the second drive The mechanism then drives the gate 20 to move vertically via the rotating shaft 50, so that the gate 20 abuts the valve body 10 at the first valve port 11 in a sealed manner. Conversely, when the first valve port 11 of the pendulum valve is to be opened, the second driving mechanism first drives the gate 20 to move vertically through the rotating shaft 50, so that the gate 20 is at a distance from the valve body 10 at the first valve port 11, Then the first driving mechanism 30 drives the shutter 20 to rotate via the rotating shaft 50, so that the position of the shutter 20 does not correspond to the first valve port 11, and for example, the shutter 20 is moved from the second half 17 to the first half 15.

In this creation, the first driving mechanism 30 drives the shutter 20 to rotate (moving the position of the shutter 20 by rotation), that is, driving the shutter 20 to rotate on a plane (for example, the XY plane). During the rotation process, the gate 20 is constantly located between the first valve port 11 and the second valve port 12, keeping a certain distance from each other, that is, the gate plate 20 does not contact the first valve port 11 and the second valve port 12 to avoid Friction loss. The direction of rotation of the rotating shaft 50 and the shutter 20 is substantially perpendicular to the direction of elevation of the rotating shaft 50 and the shutter 20. For example, as described above, the rotating shaft 50 and the shutter 20 can rotate in the XY plane and move up and down in the YZ plane. The aforementioned planes of rotation and lifting are only examples, and this creation is not limited to this.

The first driving mechanism 30 and/or the second driving mechanism may be, for example, pneumatic cylinders, but it is not limited thereto. The first driving mechanism 30 and/or the second driving mechanism may also be, for example, a hydraulic cylinder or another driving mechanism with an appropriate driving method. The first driving mechanism 30 of the present creation is firmly installed on the valve body 10, and the first driving mechanism 30 of the present creation is, for example, a pneumatic cylinder whose piston rod moves linearly as an example. The piston rod of the first driving mechanism 30 of this invention is pivotally connected to a connecting element 80, and the first driving mechanism 30 slides and clamps the shaft body of the rotating shaft 50 through this connecting element 80, so the piston rod in linear motion can Rotate the rotating shaft 50. Moreover, the connecting element 80 slidably clamps the shaft body of the rotating shaft 50, so the rotating shaft 50 can be raised and lowered independently.

Another feature of this creation is that the rotating shaft 50 can be driven by the second driving mechanism, so that the rotating shaft 50 is longitudinally displaced independently of the connecting element 80. That is, when the rotating shaft 50 is longitudinally displaced, the relative position of the rotating shaft 50 and the connecting element 80 will change with the degree of longitudinal displacement of the rotating shaft 50. However, as described above, when the rotating shaft 50 rotates, the relative position of the rotating shaft 50 and the connecting member 80 is fixed.

In the present creation, the shutter 20 is rotated by a rotating shaft 50, wherein the shutter 20 uses the axis of the rotating shaft 50 as the rotating axis to rotate (lateral displacement). Among them, the shape and size of the gate 20 are determined according to the shape and size of the valve body 10 and the first valve port 11, so the gate 20 of the present invention is not limited to a specific shape and size. In the pendulum valve of the present creation, the setting position of the rotating shaft 50 is preferably a distance from the first valve port 11, and the rotating shaft 50 is preferably connected to the gate 20 via the through hole 19 of the valve body 10. In addition, the shutter 20 may be directly or indirectly connected to the rotating shaft 50. For example, the rotating shaft 50 can be detachably connected to the extension plate 70 by screwing, locking, snapping, or sleeve-connecting, for example, to connect the shutter 20 via the extension plate 70. Alternatively, the shutter 20 may be fixed to the extension plate 70 through integral molding or welding, for example, to connect the shutter 20 via the extension plate 70. The length value of the extension plate 70 is, for example, but not limited to, the same as the distance value between the rotating shaft 50 and the first valve port 11.

Another feature of this creation is to move the shutter 20 up and down through the rotation shaft 50, and the second driving mechanism can raise and lower the height by driving the rotation shaft 50, thereby driving the shutter 20 to abut in the accommodating groove 13 of the valve body 10 Or away from the first valve port 11. Although the first valve port 11 is closed or opened as an example herein, it should be understood that the shutter 20 may also be designed to close or open the second valve port 12. In addition, a fixed indicator 53 can be selectively provided on the outer side or the outer side of the rotating shaft 50, for example, it is provided on the housing of the first driving mechanism 30 and around the rotating shaft 50. The surface of the rotating shaft 50 can be, for example With a marking part (such as an arrow), the first valve port 11 of the pendulum valve of the present invention can be opened or closed by the rotation of the rotating shaft 50.

In detail, as shown in the figure, the shaft system of the rotating shaft 50 of the present invention penetrates the through hole 19 of the valve body 10 and extends from the outside into the accommodating groove 13 of the valve body 10 to connect the shutter 20. The connection element 80 of the present invention may include, for example, an arc rod 86 and a clamping member 88. One end of the clamping member 88 of the connecting element 80 is a limiting sliding groove 52 for slidingly clamping the rotating shaft 50. The other end of the clamping member 88 is pivotally connected to one end of the arc-shaped rod 86, and the other end of the arc-shaped rod 86 is pivotally connected to the piston rod of the first driving mechanism 30. Therefore, through the piston rod of the first driving mechanism 30 The linear motion can drive the rotating shaft 50 to rotate, thereby interlocking the shutter 20 to rotate (lateral displacement).

The second driving mechanism of this creation includes a first pneumatic cylinder 41 disposed on the valve body 10. The first pneumatic cylinder 41 may have, for example, a first cylinder 410 and a first piston plate 411. The rotating shaft 50 serves as the first piston rod of the first pneumatic cylinder 41. The first cylinder of the first pneumatic cylinder 41 has a movable first piston plate 411, and the rotating shaft 50 passes through the first piston plate 411 of the first pneumatic cylinder 41, for example. The first piston plate 411 of the first pneumatic cylinder 41 abuts against the rotating shaft 50, thereby longitudinally displacing the rotating shaft 50. For example, when the air chamber 413 of the first pneumatic cylinder 41 is inflated, that is, when the gas is supplied below the first piston plate 411 of the first pneumatic cylinder 41, the first piston plate 411 will be moved upward by the gas pressure , To push the rotating shaft 50 to move upward. Another feature of this creation is that a wave spring 412 is optionally provided between the rotating shaft 50 and the first piston plate 411. Therefore, the first piston plate 411 of the first pneumatic cylinder 41 can longitudinally move the rotating shaft 50 via the wave spring 412. With the aid of the wave spring 412, not only can the rotating shaft 50 be vertically lifted, but also the gate 20 can be prevented from being deformed due to uneven force.

Another feature of this creation is that it has at least one thrust bearing 415. The thrust bearing 415 is disposed around the outside of the through hole 19 of the brake body 10 and is located between the brake body 10 and the support portion 51 of the rotating shaft 50 . Therefore, when the rotating shaft 50 moves longitudinally for a certain distance, the thrust bearing 415 can withstand the push-up of at least one supporting portion 51 of the rotating shaft 50, thereby interlocking the movement of the shutter 20 to open the first valve port 11 and make the shutter 20 can be kept at this height. Moreover, when the rotary shaft 50 is coupled to the gate 20 for lateral displacement to move away from the first valve port 11, the thrust bearing 415 also receives the push-up of the support portion 51 of the rotary shaft 50, so that the gate 20 can be maintained at This height.

The first pneumatic cylinder 41 of the second driving mechanism of the present invention may optionally include a third cylinder 430, wherein the rotating shaft 50 serves as the piston rod of the first cylinder 410 and the third cylinder 430 at the same time. In other words, the rotating shaft 50 penetrates the first cylinder 410 and the third cylinder 430 at the same time. The supporting portion 51 protrudes from the surface of the rotating shaft 50, and the supporting portion 51 is located in the third cylinder 430 to serve as a piston plate of the third cylinder 430. Therefore, when the gas is supplied into the gas chamber 433 of the third cylinder 430, the supporting portion 51 of the rotating shaft 50 will be pushed upward by the gas pressure until it abuts the thrust bearing 415. Since the shutter 20 of the present invention will be moved by the rotation shaft 50 to open the first valve port 11, and the shutter 20 will also move position with the rotation of the rotation shaft 50, the thrust bearing 415 can be used As a result, the rotating shaft 50 rotates at the same time while keeping against the top.

In this creation, since the position of the first pneumatic cylinder 41 does not move in the horizontal direction and the vertical direction, the position of the connecting element 80 does not move in the vertical direction, and simultaneously penetrates the first cylinder 410 and the third cylinder 430 The rotating shaft 50 will be longitudinally displaced and rotated. Therefore, another feature of this creation is that the rotating shaft 50 has at least one limiting chute 52, and the rotating shaft 50 has at least one flat surface at the limiting chute 52 for the sliding type of the clamping member 88 of the connecting element 80 By clamping, the rotating shaft 50 is rotated, so the rotating shaft 50 can not only be rotated by the first driving mechanism 30 with the connecting element 80, but also driven by the second driving mechanism to perform longitudinal displacement relative to the connecting element 80.

As shown in the figure, the present invention may also have seals such as gaskets or O-rings between the rotating shaft 50 and the first pneumatic cylinder 41, and between the rotating shaft 50 and the through hole 19 of the valve body 10. For example, the area of the rotating shaft 50 outside the plane of the limiting chute 52 is preferably a cylinder, the first pneumatic cylinder 41 is preferably ring-shaped and the ring is preferably arranged around the rotating shaft 50, and the valve The perforation 19 of the body 10 is preferably circular. Therefore, with the above-mentioned seal, the pendulum valve of the present invention can still maintain the airtight effect during the rotation and lifting of the rotating shaft 50.

In addition, the second driving mechanism of the present invention further includes a second pneumatic cylinder 42 disposed on the valve body 10. The second pneumatic cylinder 42 has a second cylinder 420, a second piston rod 421, and a return spring 62. The second piston rod 421 is, for example, L-shaped or T-shaped. The second pneumatic cylinder 42 is preferably ring-shaped, and is preferably arranged around the second valve port 12 of the valve body 10. When the gas in the second pneumatic cylinder 42 is exhausted, the second piston rod 421 in the second pneumatic cylinder 42 will protrude outwards by the restoring force of the return spring 62, by pressing the O on the shutter 20 A sealing member such as a ring or a gasket makes the shutter 20 abut against the first valve port 11 to close the first valve port 11. In addition, the present invention may also have seals such as gaskets or O-rings between the second piston rod 421 and the second cylinder 420 of the second pneumatic cylinder 42.

In addition, when the second pneumatic cylinder 42 is inflated (the gas is charged into the air chamber 423 of the second pneumatic cylinder 42), the second piston rod 421 will contract and leave the movement path of the shutter 20, and the return spring 62 Can accumulate spring compression force. However, the installation position of the air chamber 423 and the form of the return spring 62 can be determined according to the return operation of the spring, and this creation is not limited to the above example. In addition, the inflation and exhaust of the air chamber 413 of the first pneumatic cylinder 41 and the air chamber 423 of the second pneumatic cylinder 42 can be accomplished by, for example, an air valve, a gas passage, and a gas supply source, but for the sake of simplifying the illustration, it is not Draw. However, those with ordinary knowledge in the technical field to which this creation belongs should be able to understand how to set up the above structure, so they will not go into details.

In this creation, the rotating shaft 50 is moved away from the first valve port 1 so that the shutter 20 is kept at a distance from the first valve port 11 to open the first valve port 11. In detail, the rotating shaft 50 and the second piston rod 421 of the second pneumatic cylinder 42 are displaced in the same direction, so that the shutter 20 moves away from the first valve port 11 to open the first valve port 11. Wherein, the rotating shaft 50 and the second piston rod 412 may, for example, rise or fall synchronously or asynchronously. For example, when the first valve port 11 is to be opened, the air chamber 423 of the second pneumatic cylinder 42 may be inflated first so that the second piston rod 421 is displaced away from the first valve port 11, and then the first pneumatic cylinder The inflation of the air chamber 413 of 41 causes the rotating shaft 50 to move toward the first valve port 11, thereby driving the shutter 20 to rise to open the first valve port 11. Subsequently, the first driving mechanism 30 is used to drive the rotating shaft 50 to rotate, so as to drive the shutter 20 to rotate and position it away from the first valve port 11.

Alternatively, the air chamber 413 of the first pneumatic cylinder 41 and the air chamber 423 of the second pneumatic cylinder 42 may be simultaneously inflated, so that the rotating shaft 50 and the second piston rod 421 rise simultaneously to drive the shutter 20 to rise away from the first Valve port 11. Wherein, when the rotary shaft 50 rotates the shutter 20, the shutter 20 is preferably a gap away from the second piston rod 421 of the second pneumatic cylinder 42 to avoid wear. No matter whether it is synchronous or non-synchronous inflation, the moving distance of the second piston rod 421 is slightly larger than the moving distance of the rotating shaft 50, so that the gate 20 can be suspended between the second piston rod 421 and the first valve port 11 And keep a distance.

In this creation, the number of the first driving mechanism 30 and the first pneumatic cylinder 41 may be, for example, one, and the second pneumatic cylinder 42 may be, for example, one or more, but it is not limited thereto. For example, taking a single second pneumatic cylinder 42 as an example, it may have, for example, a plurality of return springs 62 evenly distributed around the first valve port 11, so that the gate 20 can be raised and lowered with an equal force.

The operation method of the pendulum valve of this creation can be described as follows: when the first valve port 11 is to be closed, the connecting element 80 is driven by the first driving mechanism 30 to drive the rotating shaft 50 to rotate, and the gate 20 is rotated horizontally, so that The gate 20 moves from the outside of the first valve port 11 to a position corresponding to the first valve port 11, that is, the gate 20 corresponds to the first valve port 11. In order to avoid hindering the movement of the gate 20, when the gate 20 is to be rotated, the air chamber 423 of the second pneumatic cylinder 42 is preferably inflated, so that the second piston rod 421 is retracted inward, and then the gate 20 The rotation causes the second piston rod 421 to avoid the movement path of the shutter 20, that is, the second piston rod 421 does not contact the shutter 20. Next, the air chamber 413 of the first pneumatic cylinder 41 and the air chamber 423 of the second pneumatic cylinder 42 in the second drive mechanism are exhausted to move the shutter 20 longitudinally by the restoring force of the return spring 62 until it contacts the first一阀口11。 A valve port 11.

Subsequently, if the first valve port 11 is to be opened, the first pneumatic cylinder 41 can be inflated (the air chamber 413 is inflated). By pushing the first piston plate and the rotating shaft 50 thereon toward the first valve port 11, The interlocking shutter 20 can be displaced in a direction away from the first valve port 11. In addition, the second pneumatic cylinder 42 is inflated at the same time (the air chamber 423 is inflated), so that the return spring 62 is retracted inward (cumulative restoring force), and the second piston rod 421 is displaced inwardly away from the movement path of the shutter 20. Moreover, the shutter 20 can be separated from the valve body 10 and the second piston rod 421 by a certain distance, that is, they are not in contact with each other, so as long as the rotating shaft 50 rotates again, the shutter 20 can be rotated to move.

In addition, as described above, due to the spring compression force accumulated by the return spring 62, the return force can be provided when the shutter 20 is displaced toward the first valve port 11, so the shutter 20 can seal the first valve port more tightly 11.

In this creation, an air-tight element such as an O-ring or a gasket can be selectively provided on the shutter 20, the rotating shaft 50, and the second piston rod 421, so as to achieve a good air-tight effect.

In summary, the pendulum valve of this creation can have one or more of the following advantages: (1) The pendulum valve of this creation is actuated by a two-stage drive gate to open or close the valve port. To close the valve port, turn the gate horizontally to make the position of the gate correspond to the valve port, and then vertically lift the height of the gate to close the valve port in an airtight manner. (2) Rotate the gate and lift gate through a single rotating shaft, which has low cost and can effectively use the space of the accommodating groove of the valve body. (3) By moving the piston rod of the pneumatic cylinder by inflation/deflation, the rotating shaft and the shutter can be driven up and down. Moreover, the return spring can accumulate the compressive force of the spring when the gate is away from the valve port, so that when the second pneumatic cylinder is inflated, the return spring will provide the restoring force (accumulated compressive force), so that the gate can close the valve more closely mouth. (4) Suitable for large pendulum valves.

The above is only exemplary, and not restrictive. Any equivalent modifications or changes made without departing from the spirit and scope of this creation shall be included in the scope of the attached patent application.

10: Valve body 11: The first valve port 12: Second valve port 13: accommodating slot 15: The first half 17: Second half 19: Piercing 20: gate 30: First drive mechanism 41: The first pneumatic cylinder 410: the first cylinder 411: First piston plate 412: wave spring 413: Thrust bearing 413, 423, 433: air chamber 415: Thrust bearing 42: Second pneumatic cylinder 420: second cylinder 421: Second piston rod 430: third cylinder 50: axis of rotation 51: Supporting part 52: Limit chute 53: indicator 62: return spring 70: Extension board 80: connecting element 86: curved rod 88: clamping piece L-L’: Section line 91: outer cover

Figure 1 is a three-dimensional exploded schematic view of the pendulum valve created.

Figure 2 is a schematic view of the pendulum valve created from above.

Figure 3 is a schematic top view of the pendulum valve created, with the outer cover removed.

FIG. 4 is a schematic cross-sectional view of the pendulum valve created, in which the position of the shutter corresponds to the first valve port and abuts on the first valve port (the pendulum valve is closed).

FIG. 5 is a schematic cross-sectional view of the pendulum valve of the creation, in which the position of the gate corresponds to the first valve port, but does not abut the first valve port (the pendulum valve opens).

Figure 6 is a schematic cross-sectional view of the pendulum valve of this creation, in which the position of the shutter does not correspond to the first valve port.

7 is a partial enlarged view of FIG. 4.

FIG. 8 is a partially enlarged view of FIG. 5.

10: Valve body

11: The first valve port

12: Second valve port

13: accommodating slot

19: Piercing

20: gate

30: First drive mechanism

41: The first pneumatic cylinder

411: First piston plate

412: wave spring

413, 423, 433: air chamber

415: Thrust bearing

42: Second pneumatic cylinder

420: second cylinder

421: Second piston rod

430: third cylinder

50: axis of rotation

51: Supporting part

53: indicator

62: return spring

70: Extension board

88: clamping piece

91: outer cover

Claims (10)

A pendulum valve, including at least: A valve body which is hollow and has at least a first valve port; A ram, movable in the valve body; A rotating shaft connected to the shutter; A first driving mechanism, which drives the rotation shaft to rotate the shutter, so that the position of the shutter corresponds to the first valve port or away from the first valve port; and A second driving mechanism drives the rotating shaft to move up and down to raise and lower the shutter, so that the shutter abuts or moves away from the first valve port to close or open the first valve port. The pendulum valve as described in item 1 of the patent application scope, wherein the first driving mechanism and/or the second driving mechanism are pneumatic cylinders. The pendulum valve as described in item 1 of the patent application scope, wherein the second driving mechanism includes at least a first pneumatic cylinder disposed on the valve body, and a first piston plate of the first pneumatic cylinder is used to resist the The rotating shaft drives the rotating shaft and the shutter to move longitudinally away from the first valve port. The pendulum valve as described in item 3 of the patent application scope, wherein a wave spring is further provided between the rotating shaft and the first piston plate, and the first piston plate of the first pneumatic cylinder is moved by the wave spring Turn the shaft. The pendulum valve as described in item 3 of the patent application scope further includes at least one thrust bearing, wherein when the rotary shaft interlocks with the longitudinal displacement of the shutter to open the first valve port and the lateral displacement to move away from the first valve port At this time, the thrust bearing receives the push-up of at least one supporting portion of the rotating shaft. The pendulum valve as described in item 5 of the patent application range, wherein the first pneumatic cylinder has a first cylinder body, and the rotating shaft serves as a first piston rod of the first cylinder body, when the first cylinder body When inflating, the first piston plate of the first pneumatic cylinder is pushed up by the gas pressure to drive the rotary shaft and the shutter to move longitudinally away from the first valve port. The pendulum valve as described in item 5 of the patent application scope, wherein the first pneumatic cylinder has a first cylinder body and a second cylinder body, and the rotating shaft serves as both the first cylinder body and the second cylinder body A first piston rod, when the first cylinder and the second cylinder are inflated, the support portion of the first piston plate in the first cylinder and the rotating shaft in the second cylinder Being pushed up by the gas pressure causes the supporting portion of the rotating shaft and the first piston plate of the first pneumatic cylinder to be longitudinally displaced. The pendulum valve as described in item 3 of the patent application scope, wherein the second driving mechanism includes a second pneumatic cylinder disposed on the valve body, and a second piston rod of the second pneumatic cylinder selectively pushes the gate The moving path of the board or leaving the shutter. The pendulum valve as described in item 8 of the patent application scope, wherein the second pneumatic cylinder further includes a return spring, and when the second pneumatic cylinder deflates, the return spring causes the second piston rod of the second pneumatic cylinder It protrudes outward to push up the shutter. When the second pneumatic cylinder is inflated, the second piston rod of the second pneumatic cylinder retracts to leave the movement path of the shutter. The pendulum valve as described in item 9 of the patent application scope, wherein the shutter has a seal, and the return spring pushes the shutter through the seal.

Images