Clutch sealing structure and pneumatic fluid diverter

Abstract

This invention relates to the field of logistics equipment, specifically disclosing a clutch-sealing structure, including: an end panel, a swing arm plate, a tube seat, a sealing ring with a sealing ring installed, a separation component consisting of an upper pull ring, a rotating support ring, a pull rod, and a drive assembly, a trigger plate, and a sensor. It also discloses a pneumatic logistics diverter, which includes the aforementioned clutch-sealing structure, an S-tube, and a rotating mechanism consisting of a rotary motor, a coupling, and a motor base. This invention drives the sealing ring away from the end panel through the separation component, temporarily separating the sealing ring from the end panel to prevent sliding friction between them. When switched to the correct position, the restoring force of the elastic element drives the sealing ring closer to the end panel, causing them to press tightly together and re-achieve a sealing effect. This effectively reduces the wear of the sealing ring and extends the lifespan of the seal.

Description

Technical Field

[0001] This invention belongs to the field of logistics equipment, and specifically relates to a clutch sealing structure and a pneumatic logistics diverter. Background Technology

[0002] Piped pneumatic logistics conveying systems are increasingly widely used in hospitals, hotels, and other locations. They pressurize the conveying pipeline to drive transport vehicles carrying materials. In these systems, the distributor is a crucial component for branching and switching between different branch points. During operation, the distributor needs to switch between different branch points, inevitably causing contact friction between the sealing components and fixed parts like end panels. Over time, this leads to rapid wear of the seals. Since pneumatic logistics conveying systems require extremely high sealing performance, worn seals reduce airtightness, resulting in decreased load capacity, slower transmission speeds, and significant safety hazards. Therefore, improving the wear resistance and extending the service life of the seals in distributors within existing pneumatic logistics systems is a major challenge that needs to be addressed.

[0003] The above background information is provided only to aid in understanding the inventive concept and technical solution of this invention. It does not necessarily belong to the prior art of this patent application. In the absence of clear evidence that the above information was disclosed on the filing date of this patent application, the above background information should not be used to evaluate the novelty and inventiveness of this application. Summary of the Invention

[0004] The purpose of this invention is to provide a clutch sealing structure and a pneumatic flow divider, thereby overcoming the defects of poor wear resistance and short life of the seals of existing flow dividers.

[0005] To achieve the above objectives, the present invention provides a clutch sealing structure, comprising: an end panel and a swing arm plate, the end panel and the swing arm plate being parallel to each other and having a certain gap, and a tube seat being provided at the end of the swing arm plate away from the end panel; a sealing ring, which is movably connected to the swing arm plate via an elastic element, one end of the sealing ring being provided with a sealing ring, the elastic element being capable of driving the sealing ring to move closer to the end panel and making one end of the sealing ring tightly adhere to the end panel; and a separation assembly, which includes an upper pull ring, a rotating support ring, and a driving assembly, the upper pull ring being sleeved on the end panel. The outer periphery of the tube seat is movable along its axial direction. The upper pull ring is fixedly connected to the sealing ring via a pull rod. The rotating support ring is rotatably sleeved on the tube seat and located between the upper pull ring and the swing arm plate. The driving assembly is connected to the rotating support ring to drive the rotating support ring to rotate. The rotating support ring is connected to the upper pull ring via an ejection assembly. When the rotating support ring rotates, it can drive the upper pull ring to move the sealing ring away from the end panel, thereby separating the sealing ring from the end panel.

[0006] Preferably, in the above technical solution, one end of the sealing ring is symmetrically provided with two lips, the ends of the lips abutting against the end panel, and when the sealing ring moves closer to the end panel, the ends of the two lips can move away from each other.

[0007] Preferably, in the above technical solution, the drive assembly includes a clutch motor, a pulley, and a synchronous belt. The clutch motor is fixedly connected to the swing arm plate, the output end of the clutch motor is coaxially connected to the pulley, and a synchronous belt is provided between the pulley and the rotating support ring.

[0008] Preferably, in the above technical solution, the elastic element is a cylindrical spring, which is sleeved on the pull rod. One end of the elastic element abuts against the sealing ring, and the other end of the elastic element abuts against the tube seat.

[0009] Preferably, in the above technical solution, the ejection assembly includes an ejection ramp and an ejection portion. The ejection ramp is disposed on one of the rotating support ring and the upper pull ring, and the ejection portion is disposed on the other of the rotating support ring and the upper pull ring. When the rotating support ring rotates, the ejection portion and the ejection ramp slide in contact with each other, and the ejection ramp and the end panel form an acute angle with each other.

[0010] Preferably, in the above technical solution, the ejector portion is a cylindrical structure, one side of the ejector portion is fixedly connected to the upper pull ring, the other side of the ejector portion abuts against the ejector inclined surface, and the axis of the ejector portion is perpendicular to and intersects the rotation axis of the rotating support ring.

[0011] Preferably, in the above technical solution, there are three or more ejector ramps evenly arranged around the rotation axis of the rotating support ring, and the number and position of the ejector parts correspond to the number and position of the ejector ramps.

[0012] Preferably, the above technical solution further includes a trigger plate and sensors. One end of the trigger plate is fixedly connected to the edge of the rotating support ring, and the other end of the trigger plate extends to the outside of the rotating support ring. There are two sensors, which are fixedly mounted on the swing arm plate. The two sensors are equidistant from the center of the rotating support ring, and there is a certain distance between the two sensors. When the rotating support ring rotates, it can drive the trigger plate to move between the sensing areas of the two sensors.

[0013] On the other hand, to achieve the above objectives, the present invention also provides a pneumatic flow diverter, including the clutch sealing structure as described above, and further including: an S-tube, the S-tube including a first end and a second end that are far apart from each other, the first end being fixedly connected to the tube seat, the axes of the first end and the second end being parallel to each other and having a certain distance; a rotating mechanism, including a fixed end and a rotating end, the fixed end being fixedly connected to the end panel, the rotating end being fixedly connected to the swing arm plate; and diverting ports, which are opened on the end panel, the diverting ports being two or more and distributed circumferentially around the fixed end, the rotating end being able to drive the swing arm plate to rotate around the fixed end and drive the first end of the S-tube to be aligned with each of the diverting ports, the axis of the fixed end coinciding with the axis of the second end.

[0014] Preferably, in the above technical solution, the rotating mechanism includes: a fixed shaft, one end of which is the fixed end and is fixedly connected to the end panel via a first fixing bolt; a sleeve hole is provided on the swing arm plate, the sleeve hole is fitted onto the fixed shaft, and a bearing is provided between the sleeve hole and the fixed shaft; a rotary motor, the output shaft of which is connected to the other end of the fixed shaft via a coupling, the axis of the output shaft of the rotary motor coincides with the axis of the second end; and a motor base, which is rotatably fitted onto the outer periphery of the coupling, one end of which is fixedly connected to the body of the rotary motor, and the other end of which is the rotating end and is fixedly connected to the swing arm plate via a second connecting bolt.

[0015] Compared with existing technologies, the present invention has the following advantages:

[0016] 1. The clutch sealing structure and pneumatic flow diverter of the present invention can, when the rotating mechanism drives the S-tube to switch between different diversion ports, drive the sealing ring and the end panel away from each other through the separation component, so that the sealing ring is temporarily separated from the end panel to prevent sliding friction between the sealing ring and the end panel. When switched to the position, the restoring force of the elastic element drives the sealing ring to move closer to the end panel, so that the sealing ring and the end panel are tightly attached to each other to achieve the sealing effect again, thereby effectively reducing the wear of the sealing ring and improving the service life of the sealing component.

[0017] 2. The sealing end of the sealing ring in this invention is provided with two lips, the ends of the two lips are far apart to form a trumpet shape. When the sealing ring is pressed and pressed tightly against the end panel, the two lips can expand and deform outward, thereby increasing the sealing area.

[0018] 3. The ejector in this invention includes an ejector ramp and an ejector portion, wherein the ejector portion is a cylindrical structure assembled laterally. The arc surface structure on its side can easily slide relative to the ejector ramp, thereby facilitating the ejection of the upper pull ring outward. Furthermore, the contact area between the ejector portion and the ejector ramp is linear, which can improve the strength of the ejector portion and increase the service life of the part without affecting the friction damping.

[0019] 4. The trigger plate and sensors in this invention can trigger each other between the trigger plate and the two sensors when the rotating support ring rotates, thereby enabling the clutch motor to drive the rotating support ring to rotate precisely. This ensures that the ejector part always moves within the range of the ejector inclined surface during rotation, thus enabling precise control of the clutch time and clutch distance, which further contributes to the control accuracy of the entire pneumatic logistics conveying system.

[0020] 5. The shunt in this invention can control the S-tube to switch between different shunt ports through a rotating mechanism. The shunt ports are distributed in a circular array with the fixed end as the center, which makes it easier to rotate and switch the S-tube and improves the switching speed. The axis of the fixed end coincides with the axis of the second end of the S-tube, which can improve the stability and balance of the S-tube during rotation. Attached Figure Description

[0021] Figure 1 This is a structural diagram of the clutch sealing structure in Example 1.

[0022] Figure 2 This is a partially enlarged sectional view of Example 1, Section I.

[0023] Figure 3 This is a top view of the clutch sealing structure in Embodiment 1.

[0024] Figure 4This is a three-dimensional view of the pneumatic flow splitter in Embodiment 2.

[0025] Figure 5 This is a cross-sectional view of the pneumatic flow splitter in Embodiment 2.

[0026] Figure 6 This is a side view of the pneumatic flow splitter in Embodiment 2.

[0027] Explanation of key figure labels:

[0028] 100 - End panel, 101 - Diverter port;

[0029] 200 - swing arm plate, 201 - sleeve hole, 202 - bearing;

[0030] 300-tube seat;

[0031] 400 - Sealing ring, 401 - Cylindrical spring, 402 - Sealing ring, 403 - Lip;

[0032] 500-Separation assembly, 501-Upper pull ring, 502-Rotating support ring, 503-Pull rod, 510-Drive assembly, 511-Clutch motor, 512-Pulley, 513-Synchronous belt, 520-Ejection assembly, 521-Ejection ramp, 522-Ejection part;

[0033] 600 - Trigger board, 601 - Sensor;

[0034] 700 - S-tube, 701 - first end, 702 - second end;

[0035] 800 - Rotating mechanism, 801 - Fixed shaft, 802 - First fixing bolt, 803 - Rotary motor, 804 - Coupling, 805 - Motor base, 806 - Second connecting bolt. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] In the description of this invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "top surface," "bottom surface," "inner," "outer," "inner side," and "outer side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0038] In the description of this invention, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. Where the terms "first," "second," and "third" are used for descriptive purposes and to distinguish technical features, they should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.

[0039] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. The embodiments of this invention will now be described according to its overall structure. Example 1

[0040] like Figures 1 to 3 As shown, the clutch sealing structure in this embodiment includes: an end panel 100, a diversion port 101, a swing arm plate 200, a sleeve hole 201, a bearing 202, a tube seat 300, a sealing ring 400, a cylindrical spring 401, a sealing ring 402, a lip 403, a separation assembly 500, an upper pull ring 501, a rotating support ring 502, a pull rod 503, a drive assembly 510, a clutch motor 511, a pulley 512, a synchronous belt 513, an ejection assembly 520, an ejection ramp 521, an ejection part 522, a trigger plate 600, and a sensor 601.

[0041] The end panel 100 and the swing arm plate 200 are parallel to each other and have a certain gap. A pipe seat 300 is fixedly installed on the end of the swing arm plate 200 away from the end panel 100. The pipe seat 300 is used to connect the conveying pipe. An annular groove is provided on the side of the swing arm plate 200 near the end panel 100. A sealing ring 400 is installed in the annular groove. The sealing ring 400 can slide in the annular groove and is connected to the swing arm plate 200 through an elastic element. A sealing ring 402 is installed on the end of the sealing ring 400 facing the end panel 100. In its natural state, the elastic element can drive the sealing ring 400 to move closer to the end panel 100 and make one end of the sealing ring 402 fit tightly against the end panel 100. Two lips 403 are symmetrically arranged on one end of the sealing ring 402. The two lips 403 form a "V" shape with each other. The ends of the lips 403 abut against the end panel 100. When the sealing ring 400 moves closer to the end panel 100, the ends of the two lips 403 can move away from each other, thereby increasing the contact area between the ends of the lips 403 and the end panel 100.

[0042] The separation assembly 500 includes an upper pull ring 501, a rotating support ring 502, and a drive assembly 510. The upper pull ring 501 is sleeved on the outer periphery of the tube seat 300 and can move along the axial direction of the tube seat 300. The upper pull ring 501 is fixedly connected to the sealing ring 400 via a pull rod 503. The rotating support ring 502 is rotatably mounted on the tube seat 300 and is located between the upper pull ring 501 and the swing arm plate 200. The drive assembly 510 includes a clutch motor 511 and a pulley. 512 and synchronous belt 513, clutch motor 511 is fixedly connected to the side of swing arm plate 200, the output end of clutch motor 511 is coaxially connected to pulley 512, and synchronous belt 513 is installed between pulley 512 and rotating support ring 502; the elastic element is cylindrical spring 401, cylindrical spring 401 is sleeved on pull rod 503, one end of elastic element abuts against sealing ring 400, and the other end of elastic element abuts against tube seat 300; rotating support ring 502 and upper Pull rings 501 are parallel to each other and an ejector assembly 520 is provided between them. The ejector assembly 520 includes an ejector ramp 521 and an ejector part 522. The ejector ramp 521 is provided on the rotating support ring 502, and the ejector part 522 is installed on the upper pull ring 501. The ejector ramp 521 and the surface of the end panel 100 form an acute angle of 10 to 15 degrees. In the free state, due to the action of the elastic element, the upper pull ring can always move closer to the rotating support ring 502, so that the ejector part 522 and the ejector ramp 521 abut against each other. When the drive assembly 510 drives the rotating support ring 502 to rotate, the ejector part 522 and the ejector ramp 521 can slide against each other and the upper pull ring can generate an axial displacement. When the rotating support ring 502 rotates, it can drive the upper pull ring 501 to move the sealing ring 400 away from the end panel 100, so that the sealing ring 402 is separated from the end panel 100.

[0043] More specifically, there are six ejector ramps 521, which are evenly arranged in a ring around the rotation axis of the rotating support ring 502. The number and position of ejector parts 522 correspond to the number and position of ejector ramps 521. The ejector parts 522 are cylindrical structures. One side of the ejector part 522 is fixedly connected to the upper pull ring 501, and the other side of the ejector part 522 abuts against the ejector ramps 521. The axis of the ejector part 522 is perpendicular to and intersects the rotation axis of the rotating support ring 502.

[0044] In addition, the clutch sealing structure in this embodiment also includes a trigger plate 600 and a sensor 601. One end of the trigger plate 600 is fixedly connected to the edge of the rotating support ring 502, and the other end of the trigger plate 600 extends to the outside of the rotating support ring 502 to form a trigger surface. There are two sensors 601, which are fixedly mounted on the swing arm plate 200. The distances from the two sensors 601 to the center of the rotating support ring 502 are equal, and there is a certain distance between the two sensors 601. When the rotating support ring 502 rotates, it can drive the trigger plate 600 to move between the sensing areas of the two sensors 601. At this time, the angle of rotation of the rotating support ring 502 is just enough to make the ejector part 522 move within the range of the ejector inclined surface 521, so as to prevent the ejector part 522 from sliding out of the area where the ejector inclined surface 521 is located. Example 2

[0045] like Figures 4 to 6 As shown, the pneumatic flow diverter in this embodiment includes the clutch sealing structure in Embodiment 1, and also includes: S-tube 700, first end 701, second end 702, rotating mechanism 800, fixed end, rotating end, fixed shaft 801, first fixing bolt 802, rotating motor 803, coupling 804, motor base 805, and second connecting bolt 806.

[0046] The S-tube 700 includes a first end 701 and a second end 702 that are far apart from each other. The first end 701 is fixedly connected to the tube seat 300. The axes of the first end 701 and the second end 702 are parallel to each other and have a certain distance between them. The rotating mechanism 800 includes: a fixed shaft 801 as a fixed end, a rotary motor 803, and a motor seat 805 as a rotating end. One end of the fixed shaft 801 is fixedly connected to the end panel 100 by a first fixing bolt 802. A sleeve hole 201 is provided on the swing arm plate 200. Two bearings 202 are installed in the sleeve hole 201. The inner rings of the bearings 202 are fitted onto the fixed shaft 801. The output shaft of the rotary motor 803 is coaxially connected to the other end of the fixed shaft 801 through a coupling 804. The coupling 804 is a flexible coupling 804. The motor seat 805 is fitted onto the fixed shaft 801. The outer periphery of the coupling 804 is able to rotate relative to the coupling 804. One end of the motor base 805 is fixedly connected to the body of the rotary motor 803, and the other end of the motor base 805 is a rotating end, which is fixedly connected to the swing arm plate 200 through the second connecting bolt 806. Multiple diversion ports 101 are provided on the end panel 100. Each diversion port 101 is distributed in a circle with the fixed end as the center. When the rotary motor 803 is started, since its output shaft is fixedly connected to the end panel 100 through the fixed shaft 801, the body of the rotary motor 803 can rotate. When the body rotates, it can drive the motor base 805 and the swing arm plate 200 to rotate around the fixed shaft 801, which can make the first end 701 move parallel between each diversion port 101. The axis of the fixed shaft 801 coincides with the axis of the second end 702.

[0047] In summary, the clutch sealing structure and pneumatic flow diverter in the two embodiments described above can, when the rotating mechanism 800 drives the S-tube 700 to switch between different diversion ports 101, drive the sealing ring 400 away from the end panel 100 through the separation component 500, so that the sealing ring 402 is temporarily separated from the end panel 100, thereby preventing sliding friction between the sealing ring 402 and the end panel 100. When switched to the correct position, the restoring force of the elastic element drives the sealing ring 402 to move closer to the end panel 100, so that the sealing ring 402 and the end panel 100 are tightly pressed together to achieve a sealing effect again, thereby effectively reducing the wear of the sealing ring 402 and improving the service life of the seal.

[0048] The foregoing description of specific exemplary embodiments of the present invention is for illustrative and explanatory purposes. These descriptions are not intended to limit the invention to the precise forms disclosed, and it is obvious that many changes and variations can be made based on the above teachings. Although embodiments of the invention have been shown and described, these specific embodiments are merely explanations of the invention and are not intended to limit it. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. The purpose of selecting and describing exemplary embodiments is to explain the specific principles of the invention and its practical application, so that those skilled in the art, after reading this specification, can make modifications, substitutions, variations, and various choices and changes to the embodiments as needed without departing from the principles and spirit of the invention, provided that such modifications, substitutions, variations, and choices and changes are within the scope of the claims of the invention and are protected by patent law.

Claims

1. A clutch sealing structure, characterized in that, include: The end panel and the swing arm plate are parallel to each other and have a certain gap. A tube seat is provided at the end of the swing arm plate away from the end panel. A sealing ring is movably connected to the swing arm plate via an elastic element. One end of the sealing ring is provided with a sealing ring. The elastic element can drive the sealing ring to move closer to the end panel and make one end of the sealing ring tightly adhere to the end panel. The separation assembly includes an upper pull ring, a rotating support ring, and a drive assembly. The upper pull ring is sleeved on the outer periphery of the tube seat and is movable along its axial direction. The upper pull ring is fixedly connected to the sealing ring via a pull rod. The rotating support ring is rotatably sleeved on the tube seat and located between the upper pull ring and the swing arm plate. The elastic element is a cylindrical spring, which is sleeved on the pull rod. One end of the elastic element abuts against the sealing ring, and the other end of the elastic element abuts against the tube seat. The drive assembly is connected to the rotating support ring to drive the rotating support ring to rotate. The rotating support ring is connected to the upper pull ring via an ejection assembly. When the rotating support ring rotates, it can drive the upper pull ring to move the sealing ring away from the end panel, thereby separating the sealing ring from the end panel. The sealing ring has two symmetrical lips at one end, and the ends of the lips abut against the end panel. When the sealing ring moves closer to the end panel, the ends of the two lips can move away from each other.

2. The clutch sealing structure according to claim 1, characterized in that, The drive assembly includes a clutch motor, a pulley, and a timing belt. The clutch motor is fixedly connected to the swing arm plate, and the output end of the clutch motor is coaxially connected to the pulley. A timing belt is provided between the pulley and the rotating support ring.

3. The clutch sealing structure according to claim 1, characterized in that, The ejection assembly includes an ejection ramp and an ejection portion. The ejection ramp is disposed on one of the rotating support ring and the upper pull ring, and the ejection portion is disposed on the other of the rotating support ring and the upper pull ring. When the rotating support ring rotates, the ejection portion and the ejection ramp slide into contact with each other, and the ejection ramp and the end panel form an acute angle with each other.

4. The clutch sealing structure according to claim 3, characterized in that, The ejector portion is a cylindrical structure. One side of the ejector portion is fixedly connected to the upper pull ring, and the other side of the ejector portion abuts against the ejector inclined surface. The axis of the ejector portion is perpendicular to and intersects the rotation axis of the rotating support ring.

5. The clutch sealing structure according to claim 4, characterized in that, There are three or more ejector ramps, which are evenly arranged around the rotation axis of the rotating support ring. The number and position of the ejector parts correspond to the number and position of the ejector ramps.

6. The clutch sealing structure according to claim 1, characterized in that, It also includes a trigger plate and sensors. One end of the trigger plate is fixedly connected to the edge of the rotating support ring, and the other end of the trigger plate extends to the outside of the rotating support ring. There are two sensors, which are fixedly mounted on the swing arm plate. The two sensors are equidistant from the center of the rotating support ring, and there is a certain distance between the two sensors. When the rotating support ring rotates, it can drive the trigger plate to move between the sensing areas of the two sensors.

7. A pneumatic flow diverter, comprising the clutch-seal structure as described in any one of claims 1 to 6, characterized in that, Also includes: The S-tube includes a first end and a second end that are far apart from each other. The first end is fixedly connected to the tube seat. The axes of the first end and the second end are parallel to each other and are a certain distance apart. A rotating mechanism includes a fixed end and a rotating end, wherein the fixed end is fixedly connected to the end panel and the rotating end is fixedly connected to the swing arm plate; The diversion port is located on the end panel. There are two or more diversion ports distributed in a circle with the fixed end as the center. The rotating end can drive the swing arm plate to rotate around the fixed end and drive the first end of the S-tube to be aligned with each of the diversion ports. The axis of the fixed end coincides with the axis of the second end.

8. The pneumatic flow diverter according to claim 7, characterized in that, The rotating mechanism includes: A fixed shaft, one end of which is the fixed end and is fixedly connected to the end panel by a first fixing bolt, and a sleeve hole is provided on the swing arm plate, the sleeve hole is fitted on the fixed shaft, and a bearing is provided between the sleeve hole and the fixed shaft; A rotary motor, the output shaft of which is connected to the other end of the fixed shaft via a coupling; The motor mount is rotatably fitted around the outer periphery of the coupling. One end of the motor mount is fixedly connected to the body of the rotary motor, and the other end of the motor mount is the rotating end, which is fixedly connected to the swing arm plate through a second connecting bolt.

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