A fluid control device for an auxiliary support system of a two-wheeled vehicle

Abstract

This invention discloses a fluid control device for an auxiliary support system of a two-wheeled vehicle, comprising a central partition, a first housing, a second housing, a sliding valve, and a drive assembly. The central partition has a connecting column hole. The first and second housings are respectively disposed on both sides of the partition body, forming first and second support chambers. The sliding valve is slidably disposed within the connecting column hole and has first and second sliding slots. The partition body has a high-pressure source port and a low-pressure source port. The sliding direction of the sliding valve has a first direction toward the first support chamber and a second direction toward the second support chamber, and its stroke includes first and second limit positions and a middle section. By driving the sliding valve to slide, the two sliding slots selectively connect the corresponding support chamber to the high-pressure source port or the low-pressure source port, respectively, realizing the coordinated pressurization or depressurization control of the two chambers. This invention has a compact structure, reliable control, and is suitable for auxiliary support of two-wheeled vehicles.

Description

Technical Field

[0001] This application relates to the field of two-wheeled vehicle technology, and more particularly to a fluid control device for an auxiliary support system of a two-wheeled vehicle. Background Technology

[0002] Two-wheeled vehicles (hereinafter referred to as motorcycles) have become a widely used means of transportation in people's daily lives due to their lightness and flexibility. However, motorcycles are prone to tilting to both sides when traveling at low speeds, which requires a high level of balance from the driver. When parking, they require human support to maintain balance. Especially in rainy or snowy weather or on slippery roads, it is not only inconvenient for the driver to use their feet to brace themselves, but it also poses a safety hazard.

[0003] To address the aforementioned issues, various technical solutions have been proposed in the prior art for installing auxiliary wheels on both sides of two-wheeled motorcycles. For example, patent CN203391898U discloses a balancing system for a two-wheeled motorcycle, which uses a cylinder-driven parallelogram hinge system to extend and retract the auxiliary wheels, providing lateral support at low speeds. Patent CN209208916U discloses an automatic lifting safety auxiliary wheel for two-wheeled electric vehicles and motorcycles, which uses a worm gear motor to drive a wire rope winding, and controls the lifting and lowering of the auxiliary wheels through a lever arm mechanism, automatically recognizing vehicle speed and tilt angle for extension and retraction control.

[0004] However, the aforementioned existing technologies still have the following shortcomings: First, most existing auxiliary wheel systems use independent control of the two support arms. When the road surface is uneven, the support force of one auxiliary wheel changes due to the unevenness of the ground, and the other auxiliary wheel cannot respond in time, which can easily cause an imbalance of the support force on both sides, resulting in the vehicle tilting. Second, the existing system lacks an effective linkage and balancing mechanism, relies too heavily on the response speed and accuracy of the electronic control system, and its reliability needs to be improved under complex road conditions. Third, some solutions can only achieve simple raising and lowering of the auxiliary wheels, and cannot actively apply a reverse balancing torque when the vehicle tilts excessively, thus having limited anti-tipping capabilities; Fourth, the existing microelectronic controllers and sensor technologies lack sufficient sensing accuracy and have delayed control response, making it difficult to achieve real-time and accurate adjustments when the road surface changes.

[0005] Therefore, an improved fluid control device is needed for a dual auxiliary wheel support system. Without active adjustment by a microelectronic controller, when the road surface is uneven and the support force of one auxiliary wheel changes due to ground changes, the opposite auxiliary wheel can generate a similar change in support force under the action of the fluid control device. This makes the balance of the driver and the motorcycle less susceptible to tilting due to uneven road surfaces. At the same time, when the vehicle tilts excessively, the microelectronic controller can more easily make active adjustments to maintain balance. Summary of the Invention

[0006] I. Technical Issues

[0007] The technical problem to be solved by the embodiments of this application is to provide a fluid control device for an auxiliary support system of a two-wheeled vehicle. The fluid mentioned in this application refers to liquid or gas. The dual auxiliary wheels are respectively disposed on both sides of the two-wheeled motorcycle and can perform the following functions under different driving conditions: When the two-wheeled motorcycle is traveling at medium to high speed, the fluid pressure in the support chamber of the support cylinder assembly on both sides decreases, thereby causing the auxiliary wheels on both sides to retract. When the vehicle is traveling at low speed and the microelectronic controller senses that the driver is operating the vehicle normally through the sensor, the support cylinder assemblies on both sides always maintain a preset similar support force, so that the original balance of the two-wheeled motorcycle can be maintained. When the vehicle is traveling at low speed or parked, the microelectronic controller senses through sensors that the driver cannot control the vehicle normally or that the vehicle is tilted excessively to one side. The microelectronic controller then uses the drive components to increase the ground support force of the auxiliary wheel on the tilted side and maintain the ground support force of the auxiliary wheel on the other side, thereby generating a reverse balancing torque to keep the two-wheeled motorcycle balanced.

[0008] II. Technical Solution

[0009] To address the aforementioned technical problems, this application provides a fluid control device for an auxiliary support system of a two-wheeled vehicle, comprising: A middle spacer has a spacer body and a connecting post hole disposed on the spacer body; the two sides of the spacer body are a first side wall and a second side wall, respectively. A first shell component is fixedly connected to the intermediate spacer and forms a first support chamber with the first side wall of the spacer body; A second shell component is fixedly connected to the intermediate spacer and forms a second support chamber with the second sidewall of the spacer body; A sliding column valve has a main body that is a columnar body adapted to the cross-section of the connecting column hole, and is slidably disposed in the connecting column hole. The sliding column valve is provided with at least a first sliding groove and a second sliding groove, and the first sliding groove and the second sliding groove are provided with openings on the side of the sliding column valve. And at least one drive component for driving the sliding column valve to slide.

[0010] The sliding direction of the sliding column valve has a first direction and a second direction opposite to it. The first direction is toward the first support chamber, and the second direction is toward the second support chamber. The sliding column valve has a first limit position near the first support chamber and a second limit position near the second support chamber during its sliding stroke. The sliding stroke of the sliding column valve has a middle section located between the first limit position and the second limit position.

[0011] The intermediate spacer is further provided with a high-pressure source port for communicating with an external high-pressure source and a low-pressure source port for communicating with an external low-pressure source. The high-pressure source port and the low-pressure source port are disposed on the wall of the connecting column hole. The wall thickness of the spacer body around the connecting column hole is configured to be sufficient to accommodate the high-pressure source port and the low-pressure source port opening in the radial direction of the connecting column hole, and to provide a predetermined sliding sealing length for the sliding column valve.

[0012] The first sliding slot, the second sliding slot, the high-pressure source port, and the low-pressure source port are configured such that, when the sliding column valve is in different sliding positions, the first support chamber is selectively connected to the high-pressure source port or the low-pressure source port, and the second support chamber is selectively connected to the high-pressure source port or the low-pressure source port.

[0013] The connecting post hole is a columnar hole, with its two ends opening onto the first and second side walls of the partition body, such that the first end of the connecting post hole opens into the first support chamber and the second end of the connecting post hole opens into the second support chamber; the high-voltage source hole is disposed on the hole wall of the connecting post hole and is connected to the external high-voltage source; the low-voltage source hole is disposed on the hole wall of the connecting post hole and is connected to the external low-voltage source.

[0014] The first sliding slot, the second sliding slot, the high-pressure source port, and the low-pressure source port have corresponding sizes, shapes, and positional relationships, such that: at an appropriate stroke position where the sliding column valve slides along the first or second direction, the first support chamber is connected to the high-pressure source port or the low-pressure source port through the connection of the first sliding slot; at an appropriate stroke position where the sliding column valve slides along the first or second direction, the second support chamber is connected to the high-pressure source port or the low-pressure source port through the connection of the second sliding slot.

[0015] In the sliding direction of the sliding column valve, when the sliding column valve is located in the middle section of its sliding stroke: at least one of the first sliding slots is connected to the low-pressure source hole and the first support chamber; at least one of the second sliding slots is connected to the low-pressure source hole and the second support chamber.

[0016] In the sliding direction of the sliding column valve, as the sliding column valve slides along the first direction from the middle section of its stroke: at least one of the second sliding slots connects to the low-pressure source hole and the second support chamber, thereby connecting the low-pressure source hole and the second support chamber; the passage connecting the low-pressure source hole and the first support chamber is blocked and closed by the hole wall of the connecting column hole; then, when the sliding column valve continues to slide along the first direction to approach or reach the first limit position in its stroke, at least one of the first sliding slots connects to the first support chamber and the high-pressure source hole, thereby connecting the first support chamber and the high-pressure source hole.

[0017] In the sliding direction of the sliding column valve, as the sliding column valve slides along the second direction from the middle section of its stroke: at least one of the first sliding slots connects to the low-pressure source hole and the first support chamber, thereby connecting the low-pressure source hole and the first support chamber; the passage connecting the low-pressure source hole and the second support chamber is blocked and closed by the hole wall of the connecting column hole; then, when the sliding column valve continues to slide along the second direction to approach or reach the second limit position in its stroke, at least one of the second sliding slots connects to the high-pressure source hole and the second support chamber, thereby connecting the high-pressure source hole and the second support chamber.

[0018] As can be seen from the above, the sliding valve is in a follow-up state. When the pressure of the first support chamber is greater than the pressure of the second support chamber, the sliding valve will slide in the second direction under the pressure difference between the two ends, causing the pressure of the first support chamber to decrease and / or the pressure of the second support chamber to increase, until the pressure of the first support chamber is no greater than the pressure of the second support chamber. At this point, the sliding valve stops sliding in the second direction or slides back to the first direction to reset, so that the fluid pressures of the two support chambers are close. Similarly, when the pressure of the second support chamber is greater than the pressure of the first support chamber, the sliding valve will slide in the first direction under the pressure difference between the two ends, causing the pressure of the second support chamber to decrease and / or the pressure of the first support chamber to increase, until the pressure of the second support chamber is no greater than the pressure of the first support chamber. At this point, the sliding valve stops sliding in the first direction or slides back to the second direction to reset, so that the fluid pressures of the two support chambers are close.

[0019] As one specific implementation, a mechanical support kit and a first support cylinder assembly and a second support cylinder assembly may be provided; and a microelectronic controller may also be provided, the microelectronic controller may include sensors and control circuits for sensing the driving state of the two-wheeled motorcycle and the chamber pressure, component force and position of the fluid control device.

[0020] The external high-pressure source is a power supply source that provides high-pressure fluid through a closed pipeline, and the fluid pressure can be adjusted according to a preset value. As a specific implementation, to reduce the energy consumption requirement for fluid supply, the external high-pressure source can be set to connect with fluid supply sources of different pressures as needed. As another specific implementation, to reduce the energy consumption requirement for fluid supply, two or more high-pressure source holes can be set to connect with external high-pressure sources of different pressures, so that when the sliding column valve is at different stroke positions, the first sliding slot hole and the second sliding slot hole on it can connect the first support chamber or the second support chamber with the corresponding external high-pressure source.

[0021] The external low-pressure source provides a fluid supply source or fluid outflow channel with a lower pressure than the external high-pressure source through a closed pipe. Its fluid pressure can be dynamically adjusted according to a preset value. As a specific implementation, in order to better control the raising and lowering of the auxiliary wheel, the external low-pressure source can be connected to a fluid supply source with different pressures as needed, or its fluid pressure can be directly adjusted.

[0022] The first support chamber is provided with a first support chamber external interface for connection to the outside, so that the first support chamber is connected to the support chamber of the first support cylinder assembly through a pipeline; the second support chamber is provided with a second support chamber external interface for connection to the outside, so that the second support chamber is connected to the support chamber of the second support cylinder assembly through a pipeline.

[0023] In one specific implementation, the mechanical support kit can be configured as an auxiliary system with dual auxiliary wheels, including a first auxiliary wheel, a first support assembly, a second auxiliary wheel, and a second support assembly. It may also optionally be equipped with springs for auxiliary support or retraction. The first support cylinder assembly includes a sliding member and a cylindrical cylinder. The piston of the sliding member divides the cylinder into a support chamber and a retraction chamber. When the fluid pressure in the retraction chamber increases and the fluid pressure in the support chamber relatively decreases, the piston can be controlled to move towards the support chamber, thereby retracting the first auxiliary wheel via the first support assembly. When the fluid pressure in the support chamber increases and the fluid pressure in the retraction chamber relatively decreases, the piston of the sliding member can be controlled to move towards the retraction chamber, thereby lowering the first auxiliary wheel to the ground for support via the first support assembly. The structure of the second support cylinder assembly is similar to that of the first support cylinder assembly and will not be described further here.

[0024] The drive assembly is a component that, under the control of the microelectronic controller, provides a preset push-pull force to the sliding direction of the sliding column valve when needed; the drive assembly includes at least a drive body and a drive component.

[0025] The drive body is directly or indirectly connected to the intermediate spacer to position the drive body on the intermediate spacer and allow for a relatively fixed or defined relative motion relationship between the two. The drive component is directly or indirectly connected to the sliding column valve.

[0026] The driving body and the driving component form a kinematic connection, and the two can generate controllable force and relative displacement under the action of driving force, thereby forming a set of kinematic pairs for adjusting the supporting force and position; the driving force can be selected from hydraulic pressure, pneumatic pressure, electromagnetic force or friction force, and is regulated by the microelectronic controller according to a preset program or external instructions; as a specific implementation, hydraulic pressure can be provided by an oil cylinder, pneumatic pressure can be provided by an air cylinder, electromagnetic force can be provided by a motor, electromagnetic push assembly, etc., and friction force can be provided by an ultrasonic motor.

[0027] The drive assembly controls the force and relative position changes between the drive body and the drive component to adjust the force and displacement of the external connecting parts of the sliding valve. In one specific implementation, the drive assembly can be implemented using a linear drive unit or an angle drive unit. The linear drive unit is an actuator that converts hydraulic energy, pneumatic energy, or electrical energy into linear motion to achieve linear telescopic displacement. The angle drive unit is a component that converts hydraulic energy, pneumatic energy, or electrical energy into angular position adjustment to achieve rotational or oscillating angular displacement.

[0028] III. Working Principle

[0029] The microelectronic controller senses the driving status of the two-wheeled motorcycle through sensors, and executes the following controls based on the sensing results and / or driver commands:

[0030] Medium-high speed driving mode: When the two-wheeled motorcycle is traveling at medium-high speed, the auxiliary wheels on both sides are retracted by reducing the fluid pressure of the external low-pressure source and / or increasing the fluid pressure of the retraction chamber of the support cylinder assembly and / or by providing retraction power through other mechanical components.

[0031] Low-speed stable driving mode: When the vehicle is traveling at low speed and the microelectronic controller senses normal vehicle operation through sensors, under the control of the microelectronic controller, the auxiliary wheels are lowered by increasing the fluid pressure of the external low-pressure source and / or decreasing the fluid pressure in the retraction chamber of the support cylinder assembly and / or by providing power through other mechanical components, thereby enabling both auxiliary wheels to touch the ground for support. Simultaneously, the drive component of the drive assembly is in a follow-up state, thus enabling the sliding valve to be in a follow-up state along its sliding stroke. When the support force of one auxiliary wheel changes due to uneven ground, the fluid pressure change in the support chamber is transmitted to the support chamber of the fluid control device through the action of the auxiliary wheels, bracket assembly, and support cylinder assembly on both sides, causing a change in the fluid pressure in that side's support chamber. Because the sliding valve is in a follow-up state, the sliding valve slides between the first and second support chambers under the pressure difference, causing the pressure in both support chambers to tend to balance, thus ensuring that the support cylinder assemblies on both sides always maintain similar support forces, maintaining the original balance of the two-wheeled motorcycle.

[0032] Anti-tipping active intervention mode: When the vehicle is traveling at low speed or parked, the microelectronic controller senses through sensors that the driver cannot properly control the vehicle or that the vehicle is tilted excessively to one side. The microelectronic controller then controls the drive assembly to apply a force towards the tilted side support chamber of the sliding valve, causing the sliding valve to slide towards the tilted side support chamber. During the sliding process, the opposite support chamber remains connected to the external low-pressure source, and the fluid pressure remains the same as the external low-pressure source. The sliding valve towards the tilted side support chamber connects the tilted side support chamber to the high-pressure source port, increasing the pressure, and / or connects the opposite support chamber to the low-pressure source port, decreasing the pressure, until the fluid pressure in the tilted side support chamber is higher than that in the opposite support chamber and can counteract the force of the drive assembly, causing the sliding valve to generate reset pressure. This increases the ground support force of the tilted side auxiliary wheel while maintaining the ground support force of the other auxiliary wheel, thereby generating a reverse balancing torque to keep the two-wheeled motorcycle balanced.

[0033] During the raising and lowering of the training wheels, the anti-tipping active intervention mode remains active, ensuring that when the vehicle tilts excessively to one side, the support force on the tilted side is strengthened, so that the two-wheeled motorcycle can maintain balance throughout the entire process of raising and lowering the training wheels.

[0034] IV. Technical Effects

[0035] By creatively designing a sliding valve and its sliding slot, the valve slides when there is a pressure difference in the two support chambers or when driven by the drive component, thereby adjusting the pressure in the two support chambers and ensuring that the auxiliary wheels on both sides generate suitable support force. The above technical solution has the following beneficial effects: (1) Without the active control of the microelectronic controller, when the unilateral support force changes due to uneven road surface, it can be compensated by the follow-up balance mechanism of the fluid control device, so that the fluid pressure of the two support chambers tends to be consistent, and the ground support force of the two auxiliary wheels is similar, effectively reducing the interference of uneven road surface on vehicle balance. (2) When the vehicle tilts excessively, the microelectronic controller can actively apply a suitable push-pull force to the sliding column valve, which increases the ground support force of the auxiliary wheel on the tilted side, while the support force on the opposite side remains basically unchanged, thereby generating a controllable reverse balance torque, which significantly improves the anti-tipping capability. (3) During the entire process of lowering, retracting and grounding the auxiliary wheels, regardless of uneven road surfaces or excessive vehicle tilt, this device can ensure that the auxiliary wheels on both sides generate appropriate support force through autonomous balancing mechanism or active intervention of microelectronic controller, thereby maintaining the stability of the vehicle throughout the process. (4) The overall structure is simple and highly reliable, with low dependence on electronic control systems and strong adaptability to complex road conditions. Attached Figure Description

[0036] To more clearly illustrate the technical solution of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other embodiments with the same spirit and substance as this invention can be obtained based on these drawings without creative effort.

[0037] Figure 1 This is a schematic diagram showing the connection between the fluid control device of this application and the mechanical support kit, the first support cylinder assembly, and the second support cylinder assembly, mainly illustrating one implementation method in its application field.

[0038] Figure 2 This is a triaxial view of a preferred embodiment of this application.

[0039] Figure 3 yes Figure 2 A cross-sectional view taken along the longitudinal direction of the central axis of the sliding column valve when the sliding column valve is in the middle position of its stroke, according to the embodiment.

[0040] Figure 4 yes Figure 2 The embodiment shows a longitudinal section along the central axis of the sliding column valve when the stroke of the sliding column valve is at the first limit position.

[0041] Figure 5 yes Figure 2 A cross-sectional view of the sliding column valve in the embodiment, taken along its central axis.

[0042] Figure 6 yes Figure 2 The schematic diagram illustrates the correspondence between the sliding groove orifice, the high-pressure source orifice, the low-pressure source orifice, and the opening edges on both sides of the connecting column orifice when the sliding column valve slides within the connecting column orifice and its stroke is located at the middle position, the first limit position, and the second limit position, respectively.

[0043] Figure 7 This is a triaxial view of another preferred embodiment of this application.

[0044] Figure 8 yes Figure 7 A cross-sectional view taken along the longitudinal direction of the central axis of the sliding column valve when the sliding column valve is in the middle position of its stroke, according to the embodiment.

[0045] Figure 9 yes Figure 7 A cross-sectional view taken along the longitudinal direction of the central axis of the sliding column valve when the sliding column valve is at the first limit position of its stroke, according to the embodiment.

[0046] Figure 10 yes Figure 7 A cross-sectional view of the sliding column valve in the embodiment, taken along its central axis.

[0047] Figure 11 yes Figure 7 The schematic diagram illustrates the correspondence between the sliding groove orifice, the high-pressure source orifice, the low-pressure source orifice, and the opening edges on both sides of the connecting column orifice when the sliding column valve slides within the connecting column orifice and its stroke is located at the middle position, the first limit position, and the second limit position, respectively.

[0048] Figure 12 This is a top view of another preferred embodiment of this application.

[0049] Figure 13 yes Figure 12 A cross-sectional view taken along the longitudinal direction of the central axis of the sliding column valve when the sliding column valve is in the middle position of its stroke, according to the embodiment.

[0050] Figure 14 yes Figure 12 A cross-sectional view of the slide valve in the embodiment, taken along the axis of the relatively low-pressure high-pressure source interface and in the direction of the slide valve's central axis, when the slide valve is in the middle position of its stroke.

[0051] Figure 15 yes Figure 12 A cross-sectional view of the sliding valve in the embodiment, taken along the direction of the central axis of the high-pressure source interface and the central axis of the sliding valve when the sliding valve is in the middle position of its stroke.

[0052] Figure 16 yes Figure 12 A cross-sectional view taken along the direction of the high-pressure source interface central axis and the central axis of the sliding column valve when the stroke of the sliding column valve is at the first extreme position.

[0053] Figure 17 yes Figure 12 A three-axis view of the sliding column valve in the embodiment.

[0054] Figure 18 yes Figure 12 The schematic diagram illustrates the correspondence between the sliding groove orifice, the high-pressure source orifice, the low-pressure source orifice, and the opening edges on both sides of the connecting column orifice when the sliding column valve slides within the connecting column orifice and its stroke is located at the middle position, the first limit position, and the second limit position, respectively. Detailed Implementation

[0055] The embodiments of this application will now be described with reference to the accompanying drawings.

[0056] In the diagram, 10. Intermediate spacer; 11. Spacer body; 12. Connecting post hole; 13. High-voltage source hole; 14. Low-voltage source hole; 15. High-voltage source interface; 16. Low-voltage source interface; 17. Relatively low-voltage high-voltage source interface; 21. First housing; 22. Second housing; 23. First support chamber; 24. Second support chamber; 25. External interface of the first support chamber; 26. External interface of the second support chamber; 30. Sliding column valve; 31. First sliding groove hole; 32. Second sliding groove hole; 33. External connector; 34. Limiting slot; 35. Limiting clip; 36. Guide protrusion; 37. Guide groove; 40. Drive assembly; 41. Drive body; 42. Drive component; 43. Drive interface; 44. Drive piston; 45. Drive cavity; 46. Drive coil; 50. First support assembly; 51. Second support assembly; 52. First auxiliary wheel; 53. Second auxiliary wheel; 61. First support cylinder assembly; 62. Second support cylinder assembly; 63. Cylindrical cylinder body; 64. Sliding component; 71. First support chamber; 72. First retractable chamber; 73. First support chamber interface; 74. First retractable chamber interface; 75. Second support chamber; 76. Second retractable chamber; 77. Second support chamber interface; 78. Second retractable chamber interface; 81. Connecting and fixing rivets; 82. Connecting pipelines.

[0057] Figure 1 This is a schematic diagram showing the connection between the intermediate spacer 10, the first housing 21, the second housing 22, the drive assembly, the first support assembly 50, the first auxiliary wheel 52, the second support assembly 51, the second auxiliary wheel 53, and the first support cylinder assembly 61 and the second support cylinder assembly 62 on the fluid control device of this application. Its main purpose is to demonstrate the application areas of the fluid control device of this application. Figure 1In this application, the outer interface 25 of the first support chamber of the fluid control device is connected to the first support chamber interface 73 via a pipe, thereby connecting the first support chamber 23 and the first support chamber 71. Similarly, due to the symmetry at both ends, the outer interface 26 of the second support chamber of the fluid control device is connected to the second support chamber interface 77 via a pipe, thereby connecting the second support chamber 24 and the second support chamber 75. The high-pressure source interface 15 and the low-pressure source interface 16 of the fluid control device are respectively connected to an external high-pressure source and an external low-pressure source. The drive interface 43 provides a drive source, and the figure shows a schematic diagram of using fluid as a drive source. The first retractable chamber 72 can be connected to a pressure source of different pressures or the atmosphere via the first retractable chamber interface 74 as needed. The second retractable chamber 76 can be connected to a pressure source of different pressures or the atmosphere via the second retractable chamber interface 78 as needed.

[0058] Example 1

[0059] Figure 2 This is a triaxial view of a preferred embodiment of this application. Figure 3 yes Figure 2 A cross-sectional view taken along the longitudinal direction of the central axis of the sliding column valve when the sliding column valve is in the middle position of its stroke, according to the embodiment. In this embodiment, the intermediate spacer is a thick-walled component; the first shell 21 is fixedly connected to the intermediate spacer 10 by connecting rivets 81, and the first side wall of the spacer body 11 and the first shell 21 form a cavity called the first support chamber 23; the first support chamber 23 is provided with an interface connected to the first support chamber 71, called the first support chamber outer interface 25; symmetrically, the second shell 22 is fixedly connected to the intermediate spacer 10 by connecting rivets 81, and the second side wall of the spacer body 11 and the second shell 22 form a cavity called the second support chamber 24; the second support chamber 24 has an interface connected to the second support chamber 75, called the second support chamber outer interface 26; a drive assembly 40 is provided on the second direction side of the intermediate spacer 10; the drive body 41 of the drive assembly 40 is connected to the intermediate spacer 10 indirectly by means of the second shell 22 and the connecting rivets 81.

[0060] The spacer body 11 of the intermediate spacer 10 is provided with a cylindrical connecting hole 12. One end of the connecting hole 12 in a first direction is connected to the first support chamber 23; the other end of the connecting hole 12 in a second direction is connected to the second support chamber 24.

[0061] A high-voltage source interface 15 and a low-voltage source interface 16 are respectively provided on the upper and lower sides of the partition body 11; a high-voltage source hole 13 connected to the high-voltage source interface 15 and a low-voltage source hole 14 connected to the low-voltage source interface 16 are provided on the upper side of the wall of the connecting post hole 12; a high-voltage source hole 13 connected to the high-voltage source interface 15 and a low-voltage source hole 14 connected to the low-voltage source interface 16 are also provided on the lower side of the wall of the connecting post hole 12.

[0062] exist Figure 2 , Figure 3 In this design, the sliding column valve 30 is cylindrical in shape, and the outer contour of its cylindrical cross-section is adapted to the cross-section of the connecting column hole 12. This allows the sliding column valve 30 to slide within the connecting column hole 12, with its side surface (the surface in contact with the wall of the connecting column hole 12) tightly fitted to the wall of the connecting column hole 12 and sliding flexibly. The sliding column valve 30 is disposed within the connecting column hole 12, and its two ends can slide within the connecting column hole 12 under the action of fluid pressure difference and / or the drive assembly 40.

[0063] The sliding column valve 30 is provided with a longitudinally elongated strip-shaped first sliding groove 31, which is in the same sliding direction as the sliding column valve 30. One end of the first sliding column valve 30 is open at one end in the first direction, and the other end is open at the upper side near the middle of the sliding column valve 30. The sliding column valve 30 is also provided with a longitudinally elongated strip-shaped second sliding groove 32, which is in the same sliding direction as the sliding column valve 30. One end of the second sliding column valve 30 is open at one end in the second direction, and the other end is open at the lower side near the middle of the sliding column valve 30. An external connector 33 is also provided at the second direction end of the sliding column valve 30.

[0064] In this embodiment, the driving source of the driving component 40 is a fluid. The pressure of the fluid is adjusted as needed under the control of a microelectronic controller (not shown in the figure). The fluid is connected to the driving chamber 45 through the driving interface 43, driving the driving piston 44, which is connected to the driving component 42. This piston can push and pull the external connecting piece 33 of the sliding column valve 30 to provide a force that changes the sliding state of the sliding column valve 30.

[0065] Limiting clips 35 are provided at both ends of the sliding column valve 30 to limit the sliding range of the sliding column valve 30. A guide protrusion 36 is also provided at one end of the sliding column valve 30 in the second direction, and a guide groove 37 is provided on the second housing 22. The guide groove 37 limits the sliding of the guide protrusion 36 within it, so as to restrict the sliding column valve 30 from rotating freely during the sliding process.

[0066] like Figure 3As shown, along the sliding axis of the sliding column valve 30, the sliding column valve 30 is located at the middle of its sliding stroke. The two ends of the first sliding slot 31 are respectively connected to the low-pressure source hole 14 on the upper side of the wall of the connecting column hole 12 and the first support chamber 23, so that the low-pressure source hole 14 on the upper side of the wall of the connecting column hole 12 is connected to the first support chamber 23 through the first sliding slot 31. The two ends of the second sliding slot 32 are respectively connected to the low-pressure source hole 14 on the lower side of the wall of the connecting column hole 12 and the second support chamber 24, so that the low-pressure source hole 14 is connected to the second support chamber 24 through the second sliding slot 32. The fluid pressure of the first support chamber 23 and the second support chamber 24 is consistent with the fluid pressure of the external low-pressure source.

[0067] Figure 4 yes Figure 2 The embodiment shows a longitudinal section along the central axis of the sliding valve when the valve's stroke is at the first extreme position. As shown, when the sliding valve is at the first extreme position of its stroke, the second support chamber 24 is connected to the low-pressure source port 14 through the second sliding slot 32, making the fluid pressure in the second support chamber 24 the same as the fluid pressure of the external low-pressure source; the first support chamber 23 is connected to the high-pressure source port 13 through the first sliding slot 31, increasing the fluid pressure in the first support chamber 23.

[0068] Similarly, when the sliding valve is at its second limit position, the second support chamber 24 is connected to the high-pressure source port 13, and the first support chamber 23 is connected to the low-pressure source port 14; the specific connection relationship is as follows: Figure 6 As shown.

[0069] Figure 5 yes Figure 2 A cross-sectional view of the sliding column valve of the embodiment, taken along the central axis of the sliding column valve. The shape of the first sliding slot 31 and the second sliding slot 32 on the sliding column valve 30 is shown more clearly in the figure. In the figure, one end of the first sliding slot 31 opens to one end of the sliding column valve 30 in a first direction, and the other end of the first sliding slot 31 opens to the upper side wall of the sliding column valve 30 near the middle; one end of the second sliding slot 32 opens to one end of the sliding column valve 30 in a second direction, and the other end of the second sliding slot 32 opens to the lower side wall of the sliding column valve 30 near the middle.

[0070] Figure 6 yes Figure 2In this embodiment, the sliding column valve slides within the connecting column hole, and its stroke is located at the middle position, the first limit position, and the second limit position, respectively. The diagrams illustrate the correspondence between the first sliding groove hole 31, the second sliding groove hole 32, the high-pressure source hole 13, the low-pressure source hole 14 of the connecting column hole, and the edges of the openings on both sides of the connecting column hole 12. The three block diagrams from top to bottom show the correspondence between the openings of the first sliding groove hole 31 and the second sliding groove hole 32 facing the inner wall of the connecting column hole 12, and the openings of the high-pressure source hole 13 and the low-pressure source hole 14 on the inner wall of the connecting column hole, when the sliding column valve is located at the middle position, the first limit position, and the second limit position.

[0071] Figure 6 In the diagram, the large solid square represents the planar view of the side of the sliding column valve in contact with the connecting column hole when the sliding column valve slides within the connecting column hole. The small solid square represents the opening of the first sliding slot hole 31 or the second sliding slot hole 32 on the sliding column valve facing the inner wall of the connecting column hole 12, and is labeled as the first sliding slot hole 31 or the second sliding slot hole 32 respectively in the figure. The large dashed square represents the planar view of the hole wall of the connecting column hole, and the small dashed square represents the planar view of the opening of the high-pressure source hole 13 or the low-pressure source hole 14.

[0072] like Figure 6 As shown, when the sliding column valve is in the neutral position (above figure), the first sliding groove 31 is connected to the low-pressure source hole 14 on the upper side of the hole wall of the connecting column hole, so that the low-pressure source hole 14 on the upper side of the hole wall of the connecting column hole is connected to the first support chamber 23 through the first sliding groove 31; the second sliding groove 32 is connected to the low-pressure source hole 14 on the lower side of the hole wall of the connecting column hole, so that the low-pressure source hole 14 on the lower side of the hole wall of the connecting column hole is connected to the second support chamber 24 through the second sliding groove 32.

[0073] When the sliding column valve is in the first extreme position (middle figure), the first sliding groove 31 is connected to the high-pressure source hole 13 on the upper side of the hole wall of the connecting column hole, so that the high-pressure source hole 13 on the upper side of the hole wall of the connecting column hole is connected to the first support chamber 23 through the first sliding groove 31; the second sliding groove 32 is connected to the low-pressure source hole 14 on the lower side of the hole wall of the connecting column hole, so that the low-pressure source hole 14 on the lower side of the hole wall of the connecting column hole is connected to the second support chamber 24 through the second sliding groove 32.

[0074] When the sliding column valve is in the second extreme position (see figure below), the first sliding slot 31 is connected to the low-pressure source hole 14 on the upper side of the hole wall of the connecting column hole, so that the low-pressure source hole 14 on the upper side of the hole wall of the connecting column hole is connected to the first support chamber through the first sliding slot 31; the second sliding slot 32 is connected to the high-pressure source hole 13 on the lower side of the hole wall of the connecting column hole, so that the high-pressure source hole 13 on the lower side of the hole wall of the connecting column hole is connected to the second support chamber 24 through the second sliding slot 32.

[0075] Example 2

[0076] Figure 7 This is a triaxial view of another preferred embodiment of this application. Figure 8 yes Figure 7 The cross-sectional view of the sliding valve along its central axis when it is located in the middle of its stroke is shown in the embodiment. In this embodiment, the basic structure of the spacer and the structures of the first and second housings are similar to those in Embodiment 1, and their connections with each other and with the drive assembly are also similar to those in Embodiment 1. The difference is: A high-voltage source interface 15 and a low-voltage source interface 16 are respectively provided on the upper and lower sides of the partition body 11; a high-voltage source hole 13 connected to the high-voltage source interface 15 is provided on the upper side of the wall of the connecting post hole 12; a low-voltage source hole 14 connected to the low-voltage source interface 16 is provided on the lower side of the wall of the connecting post hole 12. On the upper side of the sliding column valve 30, there is a first sliding groove 31 and a second sliding groove 32. One end of the first sliding groove 31 in the second direction is connected to one end of the second sliding groove 32 in the first direction, so that the first sliding groove 31 and the second sliding groove 32 are connected to form a longitudinally elongated groove in the same sliding direction; the opening of the elongated groove on the upper side of the sliding column valve 30 faces the side wall of the connecting column hole 12. On the lower side of the sliding column valve 30, there is also a longitudinally elongated first sliding groove 31 with one end open to one end of the sliding column valve 30 in the first direction and the other end open to the lower side of the sliding column valve 30 near the middle position, which is in the same sliding direction. On the lower side of the sliding column valve 30, there is also a longitudinally elongated second sliding groove 32 with one end open to one end of the sliding column valve 30 in the second direction and the other end open to the lower side of the sliding column valve 30 near the middle position, which is in the same sliding direction. The driving source of the drive component 40 is a power supply. The driving current and voltage are adjusted as needed under the control of a microelectronic controller (not shown in the figure). The driving source is connected to the drive coil 46, so that the drive body 41 generates a suitable push-pull force on the drive component 42, which can drive the external connector 33 of the sliding column valve 30 to provide a force to change the sliding state of the sliding column valve 30.

[0077] like Figure 8 As shown, in the axial direction of the sliding column valve 30, the sliding column valve 30 is located at the middle position of its sliding stroke. One end of the second direction opening of the first sliding slot hole 31 on the lower side of the sliding column valve 30 is connected to the low pressure source hole 14 on the lower side of the wall of the connecting column hole 12, so that the low pressure source hole 14 is connected to the first support chamber 23 through the first sliding slot hole 31 on the lower side of the sliding column valve 30; one end opening of the second sliding slot hole 32 on the lower side of the sliding column valve 30 is connected to the low pressure source hole 14 on the lower side of the wall of the connecting column hole 12, so that the low pressure source hole 14 is connected to the second support chamber 24 through the second sliding slot hole 32 on the lower side of the sliding column valve 30; so that the fluid pressure of the first support chamber 23 and the second support chamber 24 is consistent with the fluid pressure of the external low pressure source.

[0078] Figure 9 yes Figure 7 The figure shows a cross-sectional view of the sliding valve 30 at its first limit position, taken along its central axis. As shown, at the first limit position, the low-pressure source port 14 is connected to the second support chamber 24 through the second sliding groove port 32 on the lower side of the sliding valve 30, making the fluid pressure in the second support chamber 24 the same as the fluid pressure of the external low-pressure source; the high-pressure source port 13 is connected to the first support chamber 23 through the first sliding groove port 31 on the upper side of the sliding valve 30, increasing the fluid pressure in the first support chamber 23.

[0079] Similarly, when the sliding valve is at its second limit position, the high-pressure source port 13 is connected to the second support chamber 24, and the low-pressure source port 14 is connected to the first support chamber 23. The specific connection relationship is as follows: Figure 11 As shown.

[0080] Figure 10 yes Figure 7 The cross-sectional view of the sliding column valve of the embodiment, taken along the central axis of the sliding column valve. The structure and shape of the first sliding groove 31 and the second sliding groove 32 on the upper and lower sides of the sliding column valve 30 can be shown more clearly in the figure.

[0081] Figure 11 yes Figure 7In this embodiment, the sliding valve slides within the connecting column hole, and its stroke is located at the middle position, the first extreme position, and the second extreme position, respectively. The diagrams illustrate the correspondence between the first sliding groove hole 31, the second sliding groove hole 32, the high-pressure source hole 13, the low-pressure source hole 14 of the connecting column hole 12, and the opening edges on both sides of the connecting column hole 12. The three block diagrams from top to bottom show the correspondence between the openings of the first sliding groove hole 31 and the second sliding groove hole 32 facing the inner wall of the connecting column hole 12, and the openings of the high-pressure source hole 13 and the low-pressure source hole 14 on the inner wall of the connecting column hole, under the three different stroke positions of the sliding valve: middle position, first extreme position, and second extreme position. The connection relationship is similar to that in Embodiment 1 and has already been described above, so it will not be repeated here.

[0082] Example 3

[0083] Figure 12 This is a top view of another preferred embodiment of this application. Figure 13 yes Figure 12 A cross-sectional view taken along the longitudinal direction of the central axis of the sliding column valve when the sliding column valve is in the middle position of its stroke, according to the embodiment. Figure 14 yes Figure 12 A cross-sectional view of the slide valve in the embodiment, taken along the axis of the relatively low-pressure high-pressure source interface and in the direction of the slide valve's central axis, when the slide valve is in the middle position of its stroke. Figure 15 yes Figure 12 A cross-sectional view of the sliding valve in the embodiment, taken along the direction of the central axis of the high-pressure source interface and the central axis of the sliding valve when the sliding valve is in the middle position of its stroke.

[0084] In this embodiment, the basic structure of the spacer, as well as the structures of the first shell, the second shell, and the drive assembly, are similar to those in Embodiment 2. Their connection methods are also similar to those in Embodiment 2. The difference is: A high-voltage source interface 15 and a relatively low-voltage high-voltage source interface 17 are respectively provided on the upper side of the partition body 11; a low-voltage source interface 16 is provided on the lower side of the partition body 11; two high-voltage source holes 13 are respectively provided on both sides of the upper side of the wall of the connecting post hole 12, one connected to the high-voltage source interface 15 and the other connected to the relatively low-voltage high-voltage source interface 17; a low-voltage source hole 14 is provided on the lower side of the wall of the connecting post hole 12, which is connected to the low-voltage source interface 16. On the upper side of the sliding column valve 30, corresponding to the high-pressure source port 13 connected to the relatively low-pressure high-pressure source interface 17, a first sliding groove 31 and a second sliding groove 32 are provided. One end of the first sliding groove 31 in the second direction is connected to one end of the second sliding groove 32 in the first direction, so that the first sliding groove 31 and the second sliding groove 32 form a longitudinally elongated groove (hereinafter, groove A) in the same sliding direction. The opening of groove A faces the sidewall of the connecting column port 12. On the other upper side of the sliding column valve 30, corresponding to the high-pressure source port 13 connected to the high-pressure source interface 15, a first sliding groove 31 and a second sliding groove 32 are also provided. A second sliding slot 32 is provided, with one end of the first sliding slot 31 in the second direction connected to one end of the second sliding slot 32 in the first direction, so that the first sliding slot 31 and the second sliding slot 32 are connected to form a longitudinally elongated groove (hereinafter, groove B) in the same sliding direction. The opening of groove B also faces the side wall of the connecting column hole 12. In the first direction of the sliding column valve 30, the edge position of groove A in the first direction is further forward than the edge position of groove B in the first direction. In the second direction of the sliding column valve 30, the edge position of groove A in the second direction is further forward than the edge position of groove B in the second direction. On the lower side of the sliding column valve 30, there is also a longitudinally elongated first sliding groove 31 with one end open to one end of the sliding column valve 30 in the first direction and the other end open to the lower side of the sliding column valve 30 near the middle position, which is in the same sliding direction. On the lower side of the sliding column valve 30, there is also a longitudinally elongated second sliding groove 32 with one end open to one end of the sliding column valve 30 in the second direction and the other end open to the lower side of the sliding column valve 30 near the middle position, which is in the same sliding direction. like Figure 13 , 14 As shown in Figure 15, the sliding column valve 30 is located in the middle of its sliding stroke. The first support chamber 23 and the second support chamber 24 are connected to the low pressure source port 14 through the first sliding slot hole 31 and the second sliding slot hole 32, respectively.

[0085] Figure 16 yes Figure 12 A cross-sectional view taken along the central axis of the high-pressure source interface and the central axis of the sliding column valve when the travel of the sliding column valve is at the first limit position. As shown in the figure, when the sliding column valve is at the first limit position of its travel, the second support chamber 24 is connected to the low-pressure source port 14 through the second sliding groove 32 on the lower side of the sliding column valve 30; the first support chamber 23 is connected to the two high-pressure source ports 13 through the A groove and the B groove on the upper side of the sliding column valve 30, respectively.

[0086] Similarly, when the sliding valve is at its second limit position, the second support chamber 24 is connected to the two high-pressure source ports 13, and the first support chamber 23 is connected to the low-pressure source port 14. The specific connection relationships are as follows: Figure 11 As shown.

[0087] In this embodiment, the fluid pressure of the relatively low-pressure high-pressure source interface 17 is set to a suitable pressure that is lower than the fluid pressure of the high-pressure source interface 15 and higher than the fluid pressure of the low-pressure source interface 16. The relatively low-pressure high-pressure source interface 17 is equipped with a check valve to prevent backflow.

[0088] Figure 16 yes Figure 12 A cross-sectional view taken along the direction of the high-pressure source interface central axis and the central axis of the sliding column valve when the stroke of the sliding column valve is at the first extreme position.

[0089] As the sliding valve 30 slides from the middle of its stroke to the first extreme position, the first support chamber 23 is initially connected to the high-pressure source port 13, which is connected to the relatively low-pressure high-pressure source interface 17, through the A groove. If the sliding valve 30 continues to slide towards the first extreme position, the first support chamber 23 is also connected to the high-pressure source port 13, which is connected to the high-pressure source interface 15, through the B groove. Introducing the relatively low-pressure high-pressure source interface 17 can effectively reduce the energy consumption of the fluid.

[0090] Figure 17 yes Figure 12 A triaxial view of the sliding column valve of the embodiment. The structure and shape of the sliding slots on the upper and lower sides of the sliding column valve 30 can be shown more clearly in the figure.

[0091] Figure 18 yes Figure 12 In this embodiment, the sliding valve slides within the connecting column hole, and its stroke is located at the middle position, the first extreme position, and the second extreme position, respectively. The diagrams illustrate the correspondence between the sliding groove hole and the high-pressure source hole, the low-pressure source hole, and the opening edges on both sides of the connecting column hole. The three block diagrams from top to bottom show the correspondence between the openings of the first sliding groove hole 31, the second sliding groove hole 32, the A groove, and the B groove facing the inner wall of the connecting column hole 12, and the openings of the high-pressure source hole 13 and the low-pressure source hole 14 on the inner wall of the connecting column hole, under the three different stroke positions of the sliding valve: middle position, first extreme position, and second extreme position. The interconnected relationships have been described previously and will not be repeated here.

[0092] The fluid control device for an auxiliary support system of a two-wheeled vehicle described in this application is applicable in the field of two-wheeled vehicle technology, including but not limited to traditional two-wheeled motorcycles, two-wheeled electric motorcycles, and two-wheeled electric bicycles.

[0093] The embodiments of this application have been described in detail above, further illustrating the principles and implementation methods of this application. The descriptions of the embodiments above are only for the purpose of helping to understand the methods and core ideas of this application; at the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application, which do not depart from the spirit and essence of this application. The content of this specification should not be construed as a limitation of this application.

Claims

1. A fluid control device for an auxiliary support system of a two-wheeled vehicle, characterized in that, Include: A middle spacer having a spacer body and a communicating post hole disposed on the spacer body; A first shell component is fixedly connected to the intermediate spacer and forms a first support chamber with the first side wall of the spacer body; A second shell component is fixedly connected to the intermediate spacer and forms a second support chamber with the second sidewall of the spacer body; A sliding column valve, the main body of which is a columnar body adapted to the cross-section of the connecting column hole, is slidably disposed within the connecting column hole. The sliding column valve has at least one first sliding groove and one second sliding groove, with openings on the side of the sliding column valve for both. At least one drive component is used to drive the sliding column valve to slide; The intermediate spacer is also provided with a high-voltage source hole for communicating with an external high-voltage source and a low-voltage source hole for communicating with an external low-voltage source. The high-voltage source hole and the low-voltage source hole are disposed on the hole wall of the connecting column hole. The sliding direction of the sliding column valve has a first direction and a second direction opposite to it. The first direction is towards the first support chamber, and the second direction is towards the second support chamber. The sliding column valve has a first limit position near the first support chamber and a second limit position near the second support chamber during its sliding stroke. The sliding stroke of the sliding column valve has a middle section located between the first limit position and the second limit position. The first sliding slot, the second sliding slot, the high-pressure source port, and the low-pressure source port are configured such that, when the sliding column valve is in different sliding positions, the first support chamber is selectively connected to the high-pressure source port or the low-pressure source port, and the second support chamber is selectively connected to the high-pressure source port or the low-pressure source port.

2. The fluid control device for an auxiliary support system of a two-wheeled vehicle according to claim 1, characterized in that, The connecting post hole is a columnar hole that connects the first sidewall and the second sidewall of the partition body, with the first end of the connecting post hole opening into the first support chamber and the second end of the connecting post hole opening into the second support chamber; the high-voltage source hole is disposed on the hole wall of the connecting post hole and is connected to the external high-voltage source; the low-voltage source hole is disposed on the hole wall of the connecting post hole and is connected to the external low-voltage source.

3. A fluid control device for an auxiliary support system of a two-wheeled vehicle according to claim 1, characterized in that, The first sliding slot, the second sliding slot, the high-pressure source hole, and the low-pressure source hole have corresponding sizes, shapes, and positional relationships, such that: At an appropriate stroke position where the sliding column valve slides along the first direction or the second direction, the first support chamber is connected to the high-pressure source port or the low-pressure source port through the connection of the first sliding slot hole; At an appropriate stroke position where the sliding column valve slides along the first or second direction, the second support chamber is connected to the high-pressure source port or the low-pressure source port through the connection of the second sliding slot hole.

4. A fluid control device for an auxiliary support system of a two-wheeled vehicle according to claim 3, characterized in that, In the sliding direction of the sliding valve, when the sliding valve is located within the middle range of its sliding stroke: At least one of the first sliding slot holes is connected to the low-pressure source hole and the first support chamber; At least one of the second sliding slot holes is connected to the low-pressure source hole and the second support chamber.

5. A fluid control device for an auxiliary support system of a two-wheeled vehicle according to claim 3, characterized in that, In the sliding direction of the sliding valve, as the sliding valve slides along the first direction from the middle section of its stroke: At least one of the second sliding slot holes is connected to the low-pressure source hole and the second support chamber; The passage connecting the low-pressure source hole and the first support chamber is blocked and closed by the hole wall of the connecting column hole. Afterwards, when the sliding column valve continues to slide along the first direction to approach or reach the first limit position in its stroke, at least one of the first sliding slot holes is connected to the first support chamber and the high-pressure source hole, thereby connecting the first support chamber and the high-pressure source hole.

6. A fluid control device for an auxiliary support system of a two-wheeled vehicle according to claim 3, characterized in that, In the sliding direction of the sliding valve, as the sliding valve slides along the second direction from the middle section of its stroke: At least one of the first sliding slot holes is connected to the low-pressure source hole and the first support chamber; The passage connecting the low-pressure source hole and the second support chamber is blocked and closed by the hole wall of the connecting column hole. Afterwards, when the sliding column valve continues to slide along the second direction to approach or reach the second limit position in its stroke, at least one of the second sliding slot holes is connected to the high-pressure source hole and the second support chamber, thereby connecting the high-pressure source hole and the second support chamber.

Images