Compact slide gate valve

Abstract

This disclosure discloses a compact slide gate valve, comprising a valve body and a valve plate. The valve body has a valve cavity, with the valve plate inlet and outlet formed only on one side. The valve plate is movable out / into the valve cavity from the valve plate inlet and outlet, thereby isolating the valve cavity when it is inside the valve cavity and opening the valve cavity when it is outside the valve cavity. This compact slide gate valve requires minimal space when the valve plate switches between different operating positions, making it convenient for arrangement in limited spaces.

Description

Technical Field

[0001] This disclosure relates to the field of valve technology, and more particularly to compact slide gate valves. Background Technology

[0002] In related technologies, the valve plate of a slide gate valve typically has parallel blind holes and through holes, and both sides of the valve cavity have space for accommodating portions of the valve plate that move out of the cavity. This allows the valve plate to be positioned such that when one portion (blind hole) or the through hole is inside the valve cavity, the other is outside, thus opening / closing the valve cavity. When opening / closing the valve cavity, the blind hole and the through hole are exposed on different sides of the valve cavity. For example, when the blind hole is inside the valve cavity, the through hole extends out of the cavity and is located on the right side; conversely, when the through hole is inside the valve cavity, the blind hole extends out of the cavity and is located on the left side. This design results in a large space requirement for the slide gate valve's valve plate to switch between different operating positions, leading to a large footprint and making it inconvenient to arrange the slide gate valve in a limited space. Summary of the Invention

[0003] In view of the shortcomings of the prior art described above, the purpose of this disclosure is to provide a compact slide gate valve that requires little space when the valve plate switches between different working positions and is easy to arrange in a limited space.

[0004] This disclosure provides a compact slide gate valve, comprising: a valve housing having a valve cavity having a valve plate inlet and outlet formed only on one side; and a valve plate being movable out of / into the valve cavity from the valve plate inlet and outlet, so as to isolate the valve cavity when located within the valve cavity and to open the valve cavity when leaving the valve cavity.

[0005] According to some embodiments provided in this disclosure, the valve housing is provided with a sliding guide that extends out of the valve cavity only from the valve plate inlet and outlet and slides with the valve plate.

[0006] According to some embodiments provided in this disclosure, the valve housing includes: a main valve box, which has the valve cavity and is connected to a secondary valve box only on one side, wherein the secondary valve box has a valve plate removal space that conducts the inlet and outlet of the valve plate and accommodates the valve plate when it leaves.

[0007] According to some embodiments provided in this disclosure, the auxiliary valve box is provided with an inspection hole communicating with the valve plate removal space and an inspection door cover for opening / closing the inspection hole.

[0008] According to some embodiments provided in this disclosure, the valve plate does not have a valve cavity through hole portion.

[0009] According to some embodiments provided in this disclosure, the valve housing includes: a first valve body; and a second valve body, which is arranged opposite to the first valve body on opposite sides of the valve plate, and communicates with the first valve body to form the valve cavity when the valve plate is moved out.

[0010] According to some embodiments provided in this disclosure, the second valve body is moved closer to / away from the first valve body to clamp / release the valve plate; the valve housing further includes: a third valve body, which is fixedly disposed on opposite sides of the second valve body; and a telescopic valve body, which is connected between the third valve body and the second valve body to compensate for telescopic movement as the second valve body moves.

[0011] According to some embodiments provided in this disclosure, the second valve body is moved closer to / away from the first valve body to clamp / release the valve plate; the compact slide gate valve further includes a clamping / releasing drive mechanism for driving the second valve body to move, comprising: a plurality of lead screws threaded through the first valve body and engaged inside the second valve body; a clamping / releasing drive member for driving one of the lead screws to rotate; and a synchronizing drive assembly connected among the plurality of lead screws for driving the other lead screws to rotate synchronously when one of the lead screws rotates, thereby driving the second valve body to move.

[0012] According to some embodiments provided in this disclosure, a valve plate driving mechanism is also included for driving the valve plate to move, comprising: a valve plate driving member for outputting rotational motion; and a translation conversion component connected to the valve plate driving member and the valve plate respectively, for converting the rotational motion into translational motion to drive the valve plate to move.

[0013] According to some embodiments provided in this disclosure, the translation conversion assembly includes: a conversion rotating member, rotatably disposed and connected to the valve plate drive member; and a translation member, engaging with the conversion rotating member and fixed to the valve plate, so as to drive the valve plate to move as the conversion rotating member rotates. Attached Figure Description

[0014] Figure 1 This is a front view of a compact slide gate valve according to an embodiment of the present disclosure.

[0015] Figure 2 This is a top view of a compact slide gate valve according to an embodiment of the present disclosure.

[0016] Figure 3 This is a first cross-sectional view of a compact slide gate valve according to an embodiment of the present disclosure.

[0017] Figure 4 This is a front view of the valve plate according to an embodiment of this disclosure.

[0018] Figure 5This is a second cross-sectional view of the slide gate valve according to an embodiment of the present disclosure.

[0019] Figure label:

[0020] Valve housing 11; valve chamber 111; main valve box 113; first valve body 1131; second valve body 1132; third valve body 1133; telescopic valve body 1134; auxiliary valve box 114; inspection door cover 1141; sliding guide 115; rolling element 116;

[0021] Valve plate 12; Valve cavity mating part 121;

[0022] Clamping and releasing drive mechanism 13; lead screw 131; clamping and releasing drive component 132; synchronous drive assembly 133; synchronous rotating component 1331; synchronous ring 1332;

[0023] Valve plate drive mechanism 14; valve plate drive component 141; conversion rotating component 142; valve plate drive shaft 1421; second sprocket 1422; translation component 143. Detailed Implementation

[0024] The following specific examples illustrate the implementation of this disclosure. Those skilled in the art can easily understand other advantages and effects of this disclosure from the information disclosed herein. This disclosure can also be implemented or applied through other different specific embodiments, and various details in this disclosure can be modified or changed according to different viewpoints and application modules without departing from the spirit of this disclosure. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this disclosure can be combined with each other.

[0025] The embodiments of this disclosure will now be described in detail with reference to the accompanying drawings, so that those skilled in the art to which this disclosure pertains can readily implement it. This disclosure may be embodied in many different forms and is not limited to the embodiments described herein.

[0026] In this disclosure, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic represented in connection with that embodiment or example is included in at least one embodiment or example of this disclosure. Furthermore, the specific features, structures, materials, or characteristics represented may be combined in any suitable manner in any one or a group of embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples represented in this disclosure, as well as the features of those different embodiments or examples.

[0027] Furthermore, the terms "first" and "second" are used for illustrative purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the representation of this disclosure, "a set" means two or more, unless otherwise explicitly specified.

[0028] For the purpose of clarity, devices unrelated to the description are omitted, and the same or similar components throughout the specification are given the same reference numerals.

[0029] Throughout this specification, when it is said that a device is "connected" to another device, this includes not only "direct connection" but also "indirect connection" by placing other components in between. Furthermore, when it is said that a device "comprises" a certain constituent element, unless otherwise stated otherwise, this does not exclude other constituent elements, but rather implies that other constituent elements may be included.

[0030] While the terms first, second, etc., are used in some examples herein to refer to various elements, these elements should not be limited by these terms. These terms are used only to distinguish one element from another. For example, first interface and second interface, etc., are used. Furthermore, as used herein, the singular forms “a,” “an,” and “the” are intended to also include the plural forms unless the context indicates otherwise. It should be further understood that the terms “comprising,” “including,” indicate the presence of the stated feature, step, operation, element, module, item, kind, and / or group, but do not exclude the presence, occurrence, or addition of one or more other features, steps, operations, elements, modules, items, kinds, and / or groups. The terms “or” and “and / or” as used herein are interpreted as inclusive, or mean any one or any combination thereof. Thus, “A, B, or C” or “A, B, and / or C” means “any one of: A; B; C; A and B; A and C; B and C; A, B, and C.” Exceptions to this definition will only occur if the combination of elements, functions, steps, or operations is inherently mutually exclusive in some way.

[0031] The technical terms used herein are for reference only to specific embodiments and are not intended to limit the scope of this disclosure. The singular form used herein includes the plural form unless the statement explicitly indicates otherwise. The word "comprising" as used in this specification means to specify a particular characteristic, region, integer, step, operation, element, and / or component, and does not exclude the presence or addition of other characteristics, regions, integers, steps, operations, elements, and / or components.

[0032] Although not explicitly defined, all terms, including technical and scientific terms used herein, shall have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure pertains. Terms defined in commonly used dictionaries shall be further interpreted as having a meaning consistent with the relevant technical literature and the message of the present disclosure, and shall not be over-interpreted as having an ideal or overly formulaic meaning unless otherwise defined.

[0033] In related technologies, the valve plate of a slide gate valve typically has parallel blind holes and through holes, and spaces are formed on both sides of the valve cavity to expose parts of the valve plate. This allows the valve plate to be positioned either within the valve cavity (blind hole or through hole) while the other is outside, thus enabling / disabling the valve cavity. When the valve cavity is open / closed, the blind hole and through hole are exposed on different sides of the valve cavity. For example, when the blind hole is within the valve cavity, the through hole extends out of the valve cavity and is located on the right side; conversely, when the through hole is within the valve cavity, the blind hole extends out of the valve cavity and is located on the left side. This design results in a large space requirement and footprint for the slide gate valve during operation, making its placement in limited spaces inconvenient.

[0034] In view of this, the present disclosure provides a compact slide gate valve with a compact structure, small footprint, and convenient arrangement in a limited space.

[0035] Figure 1 This is a front view of a compact slide gate valve according to an embodiment of this disclosure. Figure 1 The dashed line in the image shows a partial perspective view of the compact slide valve as seen from the main viewpoint. Figure 2 This is a top view of a compact slide gate valve according to an embodiment of this disclosure. Figure 2 The dashed line in the image represents a partial perspective view of the compact slide gate valve from a top-down angle.

[0036] See Figure 1 and Figure 2 The compact gate valve of this disclosure includes a valve body 11 and a valve plate 12.

[0037] The valve housing 11 has a valve cavity 111, and the valve cavity 111 has a valve plate inlet and outlet connected to the valve plate 111 on only one side. Thus, the valve housing can form a valve plate removal space on only one side to accommodate the valve plate 12 that has been moved out of the valve cavity 111.

[0038] Optionally, the valve housing 11 is vertically mounted, and the valve cavity 111 is connected to the valve plate removable space only on one horizontal side. This saves the valve plate removable space on the other horizontal side of the valve cavity 111, thus saving floor space. For example, as Figure 1From the view shown, the valve chamber 111 forms a valve plate inlet / outlet and a valve plate retraction space connecting the valve plate inlet / outlet only on the right side. Of course, it can be understood that the valve chamber 111 may also form a valve plate inlet / outlet and a valve plate retraction space connecting the valve plate inlet / outlet only on the left side.

[0039] It should be noted that, in order to protect the valve plate 12 and ensure the airtightness of the slide valve, the valve plate removal space is located inside the valve housing 11, so that the valve plate 12 always moves inside the valve housing 11.

[0040] For example, the valve housing 11 includes a main valve box 113. The main valve box 113 contains the valve chamber 111, and the main valve box 113 is connected to a secondary valve box 114 on only one side. The space for the valve plate to be removed is located inside the secondary valve box 114. Therefore, since the valve housing 11 has only a single secondary valve box 114, the overall space and area occupied by the valve housing 11 are small. Specifically, as... Figure 1 As shown, the main valve box 113 is connected to the auxiliary valve box 114 only on the right side, or the main valve box 113 may be connected to the auxiliary valve box 114 only on the left side.

[0041] Of course, the valve plate removal space can also be located outside the valve housing 11, and the valve plate 12 can be located outside the valve housing 11 in the valve plate removal space, which is also within the protection scope of this disclosure.

[0042] The valve plate 12 is movable out / into within the valve cavity 111 from the valve plate inlet / outlet, so as to isolate the valve cavity 111 when it is within the valve cavity 111 and to open the valve cavity 111 when it leaves the valve cavity 111. In other words, when the valve plate 12 is within the valve cavity 111, the valve plate 12 isolates the valve cavity 111, thereby putting the slide gate valve in an isolated operating state. When the valve plate 12 moves away from the valve cavity 111 and is exposed to the valve plate removal space, since the valve plate 12 no longer blocks, the valve cavity 111 is reopened, thereby putting the slide gate valve in an open operating state.

[0043] Figure 3 This is a first cross-sectional view of a compact slide gate valve according to an embodiment of this disclosure. (See also...) Figure 3The main valve box 113 includes a first valve body 1131 and a second valve body 1132. The second valve body 1132 is arranged opposite to the first valve body 1131 on opposite sides of the valve plate 12, and the second valve body 1132 communicates with the first valve body 1131 to form the valve cavity 111 when the valve plate 12 is moved out. In other words, the valve plate 12 can be moved out to the valve plate removal space and is located between the first valve body 1131 and the second valve body 1132. When the valve plate 12 is located in the valve plate removal space, the second valve body 1132 communicates with the first valve body 1131 to form the valve cavity 111. When the valve plate 12 is located in the valve cavity 111, the second valve body 1132 is isolated from the first valve body 1131, thereby isolating the valve cavity 111.

[0044] Optionally, the second valve body 1132 is movable relative to the first valve body 1131, moving closer to / away from it to clamp / release the valve plate 12. Thus, when the valve plate 12 is located between the first valve body 1131 and the second valve body 1132, the second valve body 1132 can move closer to the first valve body 1131 and cooperate with the first valve body 1131 to clamp the valve plate 12, thereby stabilizing the valve plate 12. When the valve plate 12 needs to be removed, the second valve body 1132 can move away from the first valve body 1131, thereby releasing the valve plate 12 and making it movable.

[0045] Optionally, the main valve box 113 further includes a third valve body 1133 and a telescopic valve body 1134. The third valve body 1133 and the first valve body 1131 are fixedly disposed on opposite sides of the second valve body 1132, and are used to fixally connect two external pipes respectively. The telescopic valve body 1134 is connected between the third valve body 1133 and the second valve body 1132, so as to compensate for the expansion and contraction as the second valve body 1132 moves, thereby ensuring that the position of the third valve body 1133 remains unchanged when the second valve body 1132 moves.

[0046] Optionally, see Figure 1 The auxiliary valve box 114 is provided with an inspection hole communicating with the valve plate removal space and an inspection door cover 1141 for opening / closing the inspection hole. Thus, by opening / closing the inspection door cover 1141, the internal condition of the slide gate valve can be observed, thereby facilitating the inspection and maintenance of the slide gate valve.

[0047] Figure 4 This is a front view of the valve plate 12 according to an embodiment of this disclosure. (See also...) Figure 4The valve plate 12 does not have a valve cavity through hole. For example, the valve cavity docking portion 121 of the valve plate 12 for docking with the valve cavity 111 is a solid portion and only a single portion. For example, the valve cavity docking portion 121 is a blind hole portion or a flat plate portion, and the valve plate 12 does not have a blank portion for setting a through hole for guiding the valve cavity 111.

[0048] Therefore, when the valve plate 12 is located inside the valve cavity 111, the solid valve cavity mating portion 121 abuts against the valve cavity 111, thereby isolating the valve cavity 111. When the valve plate 12 moves out of the valve cavity 111 to the valve plate removal space, the valve cavity 111 is reopened. Thus, compared to the valve plate 12 of related technologies, which has two valve cavity mating portions—a through hole portion and a blind hole portion—the valve plate 12 of this disclosure only needs to have a single valve cavity mating portion 121, eliminating the need for a valve cavity through hole portion. This results in a smaller length, smaller volume, lower cost, more compact structure, lighter weight, and easier movement.

[0049] Meanwhile, in the above process, since the valve housing 11 only forms the valve plate inlet and outlet for connecting the valve cavity 111 on one side, when the compact slide gate valve is working, only a small volume valve plate 12 needs to be left on one side of the valve housing 11 to accommodate the valve plate 12 that is moved out, which can save the space on the other side of the valve cavity 111. Therefore, the compact slide gate valve of this embodiment has a compact structure, requires little space when the valve plate switches to different working positions, and is convenient to arrange in a limited space.

[0050] Optionally, see Figure 1 and Figure 2 The valve housing 11 is provided with the sliding guide 115, which extends out of the valve cavity 111 only from the valve plate inlet and outlet and slides with the valve plate 12. Therefore, since the sliding guide 115 only needs to extend out of the valve cavity 111 from one side, it has a short length, compact structure, and low cost.

[0051] Optionally, the sliding guide 115 is disposed below the valve plate 12 to support the valve plate 12 and slide in cooperation with it. Specifically, the sliding guide 115 can be implemented as a sliding support track. Therefore, due to the supporting effect of the sliding guide 115, the valve plate 12 is less likely to fall off its original movement trajectory, resulting in high movement stability.

[0052] Optionally, one of the sliding guide 115 and the valve plate 12 is provided with a rolling element 116 for rolling contact with the other. For example, the top surface of the sliding guide 115 is provided with a rolling element 116 for rolling contact with the valve plate 12. Or the bottom surface of the valve plate 12 is provided with a rolling element 116 for rolling contact with the sliding guide 115. Specifically, the rolling element 116 is implemented as a roller, and the circumferential surface of the roller is provided with a limiting groove adapted to the thickness of the valve plate 12 for accommodating and limiting the valve plate 12, so as to prevent the valve plate 12 from shaking and disengaging from the rolling element 116 in a horizontal direction perpendicular to the direction of movement when it moves. As a result, when the valve plate 12 slides along the extension direction of the sliding guide 115, rolling friction occurs, the friction force is small, and it is not easy to wear.

[0053] Optionally, see Figure 1 and Figure 3 The compact slide gate valve also includes a clamping and releasing drive mechanism 13. The clamping and releasing drive mechanism 13 is used to drive the second valve body 1132 to move.

[0054] The clamping and releasing drive mechanism 13 includes multiple lead screws 131, clamping and releasing drive components 132, and synchronous drive components 133.

[0055] In this configuration, multiple lead screws 131 pass through the first valve body 1131 and are threaded into the interior of the second valve body 1132. For example, Figure 1 In this configuration, there are four lead screws 131, which are arranged at the four corners.

[0056] The clamping and releasing drive 132 is used to drive one of the lead screws 131 to rotate. The synchronous drive assembly 133 is connected among the multiple lead screws 131 and is used to drive the other lead screws 131 to rotate synchronously when one of the lead screws 131 rotates, thereby causing the multiple lead screws 131 to rotate synchronously, and thus driving the second valve body 1132 to move.

[0057] For example, the clamping and releasing drive 132 is implemented as a first electric actuator including a clamping and releasing drive motor, wherein the clamping and releasing drive motor is used to drive one of the lead screws 131 to rotate.

[0058] For example, the synchronous drive assembly 133 includes a plurality of synchronous rotating elements 1331 and a synchronous ring 1332. The plurality of synchronous rotating elements 1331 are fixedly connected to the plurality of lead screws 131 in a one-to-one correspondence.

[0059] The synchronization ring 1332 is sleeved on the outside of the plurality of synchronization rotating members 1331, so that when one of the synchronization rotating members 1331 is driven to rotate by the corresponding lead screw 131, it drives the other synchronization rotating members 1331 to rotate synchronously, thereby driving the other lead screws 131 to rotate, and thus making the plurality of lead screws 131 rotate synchronously.

[0060] Specifically, each of the synchronizing rotating elements 1331 is implemented as a first sprocket, and four first sprockets are correspondingly fixed to the outside of the four lead screws 131. The synchronizing ring 1332 is implemented as a chain ring meshing with the outside of the four first sprockets.

[0061] Figure 5 This is a second cross-sectional view of a slide gate valve according to an embodiment of this disclosure. (See also...) Figure 5 The slide gate valve further includes a valve plate drive mechanism 14. The valve plate drive mechanism 14 is used to drive the valve plate 12 to move, and includes a valve plate drive component 141 and a translation conversion assembly. The valve plate drive component 141 outputs rotational motion. The translation conversion assembly is connected to both the valve plate drive component 141 and the valve plate 12, and is used to convert the rotational motion into translational motion, thereby driving the valve plate 12 to move.

[0062] Optionally, the translation conversion assembly includes a conversion rotating member 142 and a translation member 143. The conversion rotating member 142 is rotatably disposed and connected to the valve plate drive member 141 to rotate under the drive of the valve plate drive member 141. The translation member 143 engages with the conversion rotating member 142 and is fixed to the valve plate 12 to move the valve plate 12 as the conversion rotating member 142 rotates.

[0063] For example, the valve plate drive 141 is implemented as a second electric actuator including a valve plate drive motor. The valve plate drive motor is used to drive the conversion rotary member 142 to rotate.

[0064] The conversion rotating component 142 includes a valve plate drive shaft 1421 and a second sprocket 1422. The valve plate drive shaft 1421 is used to rotate under the drive of the valve plate drive motor. The second sprocket 1422 is fixed to the outside of the valve plate drive shaft 1421. The translation component 143 is implemented as a chain that meshes with the second sprocket 1422 and is fixed to the valve plate 12.

[0065] The above embodiments are merely illustrative of the principles and effects of this disclosure and are not intended to limit this disclosure. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this disclosure. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this disclosure should still be covered by the protection scope of this disclosure.

Claims

1. A compact plug valve characterized by, include: The valve body has a valve cavity, wherein the valve cavity forms a valve plate inlet and outlet on only one side; as well as A valve plate is disposed within the valve cavity in a movable manner from the valve plate inlet / outlet, so as to isolate the valve cavity when it is located within the valve cavity and to open the valve cavity when it is away from the valve cavity; The valve housing is provided with a sliding guide, which extends out of the valve cavity only from the valve plate inlet and outlet and slides with the valve plate.

2. The compact plug valve of claim 1, wherein The valve housing includes: a main valve box, which has the valve cavity and is connected to a secondary valve box on only one side. The secondary valve box has a valve plate removal space that connects to the inlet and outlet of the valve plate and accommodates the valve plate when it leaves.

3. The compact plug valve of claim 2, wherein, The auxiliary valve box is provided with an inspection hole that connects to the space where the valve plate is removed and an inspection door cover for opening / closing the inspection hole.

4. The compact insertion valve of claim 1, wherein, The valve plate does not have a valve cavity through hole.

5. The compact insertion valve of claim 1, wherein, The valve body includes: First valve body; The second valve body is arranged on opposite sides of the valve plate, opposite to the first valve body, and communicates with the first valve body to form the valve cavity when the valve plate is moved out.

6. The compact insertion valve of claim 5, wherein, The second valve body is movable relative to the first valve body, moving closer to / away from it to clamp / release the valve plate; the valve housing further includes: The third valve body is fixedly disposed on opposite sides of the second valve body, as is the first valve body; and A telescopic valve body is connected between the third valve body and the second valve body to compensate for expansion and contraction as the second valve body moves.

7. The compact insertion valve of claim 5, wherein, The second valve body is movable relative to the first valve body, positioned closer to / away from the valve plate to clamp / release the valve plate; the compact slide gate valve further includes a clamping / releasing drive mechanism for driving the second valve body to move, comprising: Multiple lead screws pass through the first valve body and are threaded into the inside of the second valve body; Clamping and releasing drive element for driving one of the lead screws to rotate; and A synchronous drive component is connected between the plurality of said lead screws, for driving the other said lead screws to rotate synchronously when one of said lead screws rotates, so as to drive the second valve body to move.

8. The compact insertion valve of claim 1, wherein, It also includes a valve plate drive mechanism for driving the valve plate to move, comprising: Valve plate drive, used to output rotary motion; and The translation conversion component is connected to the valve plate drive and the valve plate respectively, and is used to convert the rotational motion into translational motion to drive the valve plate to move.

9. The compact plug valve of claim 8, wherein, The translation conversion component includes: A rotating component, rotatably mounted and connected to the valve plate drive component; and The translation component engages with the conversion rotation component and is fixed to the valve plate, so that the valve plate moves as the conversion rotation component rotates.

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