Hydraulic suspension and vehicle provided therewith

Abstract

The application relates to the technical field of vehicle parts, and provides a hydraulic suspension and a vehicle provided with the same. The hydraulic suspension provided by the application comprises a suspension main body with a first liquid chamber and a second liquid chamber, a flow channel assembly and a volume compensation part arranged in the suspension main body; the first liquid chamber and the second liquid chamber are communicated through the flow channel assembly; wherein the volume of the first liquid chamber can change along with the change of a rubber main spring in the suspension main body, and the volume compensation part is arranged in the second liquid chamber; when the fluid in the second liquid chamber flows into the first liquid chamber, the volume of the volume compensation part increases along with the decrease of the pressure in the second liquid chamber, and when the fluid in the first liquid chamber flows into the second liquid chamber, the volume of the volume compensation part decreases along with the increase of the pressure in the second liquid chamber. The hydraulic suspension provided by the application improves the sealing effect of the hydraulic suspension, and is beneficial to making the hydraulic suspension have good use effect.

Description

Technical Field

[0001] This application relates to the field of vehicle component technology, and in particular to a hydraulic suspension and a vehicle equipped with it. Background Technology

[0002] The vehicle engine is typically mounted to the body via a suspension system. As a key component connecting the engine and the body, the suspension system plays a crucial role in reducing vibration and noise and improving driving comfort. Traditional suspension systems generally include a frame, main spring, cup seals, and a base. The cup seals in the suspension system, because they need to be connected to the base via riveting or press-fitting, suffer from problems such as incomplete sealing and easy leakage, which is detrimental to the overall performance of the suspension system. Utility Model Content

[0003] In view of this, the present application aims to provide a hydraulic suspension to facilitate its good performance.

[0004] To achieve the above objectives, the technical solution of this application is implemented as follows:

[0005] A hydraulic suspension includes a suspension body;

[0006] The suspension body is provided with a first liquid chamber and a second liquid chamber connected by a flow channel assembly.

[0007] The volume of the first liquid chamber can change with the deformation of the rubber main spring inside the suspension body, and the second liquid chamber is provided with a volume compensation part;

[0008] When the fluid in the second liquid chamber flows into the first liquid chamber through the flow channel assembly, the volume of the volume compensation part increases as the pressure in the second liquid chamber decreases, and when the fluid in the first liquid chamber flows into the second liquid chamber through the flow channel assembly, the volume of the volume compensation part decreases as the pressure in the second liquid chamber increases.

[0009] Furthermore, the volume compensation unit includes an elastic body disposed in the second liquid chamber, the elastic body having an inner cavity filled with gas; when the pressure in the second liquid chamber decreases, the volume of the elastic body increases, and when the pressure in the second liquid chamber increases, the volume of the elastic body decreases.

[0010] Furthermore, the elastomer is spherical; and / or, the volume compensation portion includes a plurality of the elastomers.

[0011] Furthermore, the gas is an inert gas.

[0012] Furthermore, the volume compensation section is confined to a fixed position in the second liquid chamber, the fixed position being away from the flow channel assembly.

[0013] Furthermore, the volume compensation unit is fixed to the inner wall of the second liquid chamber.

[0014] Furthermore, the second liquid chamber is provided with a baffle, the volume compensation part is blocked by the baffle at the fixed position, and the baffle is provided with a through hole for the fluid to pass through.

[0015] Furthermore, the flow channel assembly includes a flow channel plate and a plurality of flow channel holes disposed on the flow channel plate; the first liquid chamber and the second liquid chamber are connected through each of the flow channel holes.

[0016] Furthermore, the suspension body includes a base, the rubber main spring is fixed to the base, and the flow channel assembly is fixed in the base by the rubber main spring; the first liquid chamber is formed between the rubber main spring and the flow channel assembly, and the second liquid chamber is formed between the base and the flow channel assembly.

[0017] Compared with related technologies, this application has the following advantages:

[0018] (1) The hydraulic suspension described in this application can replace the traditional cup seal by setting a volume compensation part in the suspension body. The volume of the volume compensation part changes with the pressure in the second liquid chamber. This not only ensures that the liquid can flow between the first liquid chamber and the second liquid chamber and guarantees the damping effect of the hydraulic suspension, but also avoids problems such as poor sealing and easy leakage caused by riveting, pressing and other connection methods, so as to improve the use effect of the hydraulic suspension.

[0019] (2) By including an elastic body with an inner cavity and filled with gas in the volume compensation part, it is convenient for the volume change when the pressure changes in the second liquid chamber, which facilitates the flow of fluid from the first liquid chamber to the second liquid chamber or from the second liquid chamber to the first liquid chamber through the flow channel assembly, thereby facilitating the damping effect of the hydraulic suspension.

[0020] (3) By making the elastomer spherical, it is beneficial to achieve uniform change in the volume of the elastomer and maintain its spherical shape in the long-term use state, thereby improving the service life. At the same time, by making the volume compensation part include multiple elastomers, it is beneficial to improve the compensation effect of the volume compensation part by distributing multiple elastomers evenly in the second liquid chamber.

[0021] (4) By making the gas an inert gas, the reaction between the gas and the elastomer is avoided, which helps to extend the service life of the elastomer.

[0022] (5) By limiting the volume compensation part to a fixed position in the second liquid chamber and away from the flow channel assembly, the blockage of the flow channel assembly caused by the movement of the volume compensation part in the second liquid chamber is avoided, which helps to ensure the use effect of the hydraulic suspension and facilitates design and implementation.

[0023] (6) By fixing the volume compensation part on the inner wall of the second liquid chamber, it is easy to ensure the fixed position of the volume compensation part, and it is also easy to arrange the volume compensation part, which is convenient for design and implementation.

[0024] (7) The setting of the baffle makes it easy to limit the position of the volume compensation part, and the setting of the through hole facilitates the passage of fluid, which helps to ensure the use effect of the hydraulic suspension and is conducive to design and implementation.

[0025] (8) By including the flow channel assembly with the flow channel plate and several flow channel holes on the flow channel plate, the flow channel assembly is easy to process and manufacture, and the structure is simple and easy to design and implement.

[0026] (9) By including the base in the suspension body and fixing the hydraulic main spring to the base, the flow channel assembly is fixed in the base, which facilitates the formation of the first liquid chamber and the second liquid chamber. The structure is simple, easy to process and manufacture, and easy to design and implement.

[0027] This application also proposes a vehicle in which a hydraulic suspension as described above is provided.

[0028] The vehicle described in this application, by having the hydraulic mounts as described above, ensures the damping effect of the hydraulic mounts, and also avoids problems such as poor sealing and easy leakage caused by riveting, pressing and other connection methods, thereby improving the service life of the hydraulic mounts and enhancing their performance, thus contributing to improving the quality of vehicle use. Attached Figure Description

[0029] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings:

[0030] Figure 1 This is a schematic diagram of the hydraulic suspension structure described in the embodiments of this application;

[0031] Figure 2 This is a side view of the hydraulic suspension described in the embodiments of this application;

[0032] Figure 3 for Figure 2 Cross-sectional view at point AA;

[0033] Figure 4 for Figure 3 Enlarged view of point A;

[0034] Explanation of reference numerals in the attached figures:

[0035] 1. Suspension body;

[0036] 101. Hydraulic main spring;

[0037] 1011. First connecting arm; 1012. Second connecting arm; 1013. Connecting part;

[0038] 102. Base;

[0039] 103. Arched part; 104. Hemispherical protrusion; 105. Skeleton;

[0040] 2. First liquid chamber; 3. Second liquid chamber;

[0041] 4. Volumetric Compensation Department;

[0042] 401. Elastomers;

[0043] 5. Flow channel components;

[0044] 501, flow channel plate; 502, flow channel hole. Detailed Implementation

[0045] To make the technical solution and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0046] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0047] Furthermore, it should be noted that in the description of this application, if terms such as "upper," "lower," "inner," or "outer" appear, indicating orientation or positional relationship, these are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this application 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, and therefore should not be construed as a limitation on this application. In addition, if terms such as "first" or "second" appear, they are also used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0048] Furthermore, in the description of this application, unless otherwise expressly defined, the terms "installation," "connection," "joining," and "connector" 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 connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application in light of the specific circumstances.

[0049] In this application, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0050] The present application will now be described in detail through exemplary embodiments. However, it should be understood that, without further description, elements, structures, and features in one embodiment may be advantageously incorporated into other embodiments.

[0051] An embodiment of the first aspect of this application provides a hydraulic mount for connecting the powertrain of a vehicle to the vehicle body. It is mainly used to reduce the vibration of the powertrain and the noise of driving the vehicle. Furthermore, the hydraulic mount in this embodiment, through its structural innovation, can reduce the probability of damage to the hydraulic mount during use, extend the service life of the hydraulic mount, and thus help the hydraulic mount to have a good performance.

[0052] In related technologies, with the increase in vehicle ownership and usage frequency, people have higher demands for driving comfort. During operation, the vehicle's powertrain often generates vibrations, which are detrimental to both the stability of the powertrain's connection to the vehicle body and the improvement of driving comfort.

[0053] At this point, a suspension system is used in the relevant technology to mount the powertrain's support arms to the vehicle body. The suspension system improves the stability of the connection between the powertrain and the vehicle body, and reduces vibration and noise during driving. The transmission suspension system generally includes a metal frame, a main spring, a connecting plate, a cup seal, and a base. The main spring is fixedly connected to the base, and a fluid chamber is formed between the main spring and the base 102. The connecting plate is located within the fluid chamber and can divide the fluid chamber into an upper fluid chamber and a lower fluid chamber that are connected vertically.

[0054] The upper fluid chamber is located near the main spring, and the lower fluid chamber is located near the base. The cup seal is located in the lower fluid chamber and on the base. When the connection between the powertrain and the vehicle body vibrates, the volumes of the upper and lower fluid chambers will change accordingly. At the same time, the volume of the cup seal will also change with the volume of the upper and lower fluid chambers. The cup seal in the traditional suspension system needs to be connected to the base by riveting, pressing, etc., which has the problem of poor sealing and easy leakage. When repairing the vehicle, it is often necessary to replace the entire suspension system, which will undoubtedly increase the maintenance cost of the vehicle, easily cause complaints from car owners, and is not conducive to improving the performance of the suspension system.

[0055] In view of this, in order to overcome the shortcomings of related technologies, the hydraulic suspension in this embodiment combines... Figures 1 to 4 As shown, the overall design includes a suspension body 1, which has a first liquid chamber 2 and a second liquid chamber 3 connected by a flow channel assembly 5. The volume of the first liquid chamber 2 can change with the deformation of the rubber main spring in the suspension body 1, and the second liquid chamber 3 has a volume compensation part 4.

[0056] When the fluid in the second liquid chamber 3 flows into the first liquid chamber 2 through the flow channel assembly 5, the volume of the volume compensation part 4 increases as the pressure in the second liquid chamber 3 decreases, and when the fluid in the first liquid chamber 2 flows into the second liquid chamber 3 through the flow channel assembly 5, the volume of the volume compensation part 4 decreases as the pressure in the second liquid chamber 3 increases.

[0057] Therefore, by setting a volume compensation part 4 in the suspension body 1 to replace the traditional leather cup seal, the volume of the volume compensation part 4 changes with the pressure in the second liquid chamber 3. This not only ensures that the liquid can flow between the first liquid chamber 2 and the second liquid chamber 3, guaranteeing the damping effect of the hydraulic suspension, but also avoids problems such as poor sealing and easy leakage caused by riveting, pressing and other connection methods, thus improving the performance of the hydraulic suspension.

[0058] Based on the above overall introduction, specifically, as an exemplary structural form, the suspension body 1 in this embodiment still consists of... Figures 1 to 4 As shown, it generally includes a base 102, a rubber main spring fixed to the base 102, and a flow channel assembly 5 fixed in the base 102 by the rubber main spring.

[0059] In this embodiment, by making the suspension body 1 include a base 102 and fixing the hydraulic main spring 101 to the base 102, the flow channel assembly 5 is fixed in the base 102, which facilitates the formation of the first liquid chamber 2 and the second liquid chamber 3. The structure is simple, easy to process and manufacture, and conducive to design and implementation.

[0060] A first liquid chamber 2 is formed between the rubber main spring and the flow channel assembly 5, and a second liquid chamber 3 is formed between the base 102 and the flow channel assembly 5. In specific implementation, the first liquid chamber 2 and the second liquid chamber 3 are filled with damping fluid. When the rubber main spring is stretched upward, the damping fluid in the second liquid chamber 3 flows into the first liquid chamber 2 through the flow channel assembly 5, causing the pressure in the second liquid chamber 3 to decrease. At this time, the volume of the volume compensation part 4 increases as the pressure in the second liquid chamber 3 decreases. When the rubber main spring is compressed downward, the damping fluid in the first liquid chamber 2 flows into the second liquid chamber 3 through the flow channel assembly 5, causing the pressure in the second liquid chamber 3 to increase. At this time, the volume of the volume compensation part 4 decreases as the pressure in the second liquid chamber 3 increases.

[0061] It is worth mentioning that in this embodiment, the first liquid chamber 2 corresponds to the upper liquid chamber in the conventional suspension system, and the second liquid chamber 3 corresponds to the lower liquid chamber in the conventional suspension body 1. When the damping fluid in the first liquid chamber 2 flows into the second liquid chamber 3, and when the damping fluid in the second liquid chamber 3 flows through the first liquid chamber 2, the flow channel component 5 creates resistance to the damping fluid. Furthermore, the damping fluid itself is viscous and generates damping force, which consumes the energy of vibration. The damping force generated by the flow of the damping fluid consumes the energy of vibration, thereby reducing the vibration between the powertrain and the vehicle body.

[0062] In practical implementation, the aforementioned suspension body 1 is usually externally fitted with a metal frame. The powertrain's support arm is connected to the suspension body 1, which is housed within the metal frame and mounted to the vehicle body via the metal frame. The metal frame helps prevent the suspension body 1 from being damaged by other vehicle components. The connection between the suspension body 1 and the metal frame, as well as the connection between the metal frame and the vehicle body, can draw upon conventional connection methods between the suspension body 1 and the metal frame in existing suspension systems, and conventional connection methods between the metal frame and the vehicle body (such as bolted connections), which will not be elaborated upon here.

[0063] The rubber main spring described above is the main part of the suspension body 1 that plays a driving role. It drives the fluid flow in the first liquid chamber 2 and the second liquid chamber 3 through its own elastic deformation. Structurally, the side of the rubber main spring facing the base 102 can be recessed to form a groove, thereby making the rubber main spring have a first connecting arm 1011 and a second connecting arm 1012 connected to the base 102, and a connecting part 1013 connecting the first connecting arm 1011 and the second connecting arm 1012. Based on this, the first liquid chamber 2 and the second liquid chamber 3 are formed between the rubber main spring and the base 102.

[0064] At this point, it can be understood that the thickness of the first connecting arm 1011 and the second connecting arm 1012 is greater than the thickness of the connecting part 1013. This provides a connection strength that satisfies the stable connection between the rubber main spring and the base 102, facilitating the connection between the rubber main spring and the base 102. Furthermore, the thinner connecting part 1013 facilitates the deformation of the rubber main spring and ensures the lightweight design of the rubber main spring.

[0065] In addition, in specific implementation, this embodiment may, for example, make the top of the rubber main spring arch upward to form an arched portion 103, so as to buffer the collision between the rubber main spring and the metal frame. For example, hemispherical protrusions 104 arranged at intervals may be provided on the arched portion 103 to reduce the noise of the collision between the rubber main spring and the metal frame.

[0066] Understandably, with the arched portion 103 in place, when the rubber main spring contacts the metal frame, the arched portion 103 will first abut against the rubber frame 105. The deformation of the arched portion 103 can absorb some of the impact of the collision, thus providing structural reinforcement to the top of the metal main spring. Furthermore, with the hemispherical protrusions 104 in place, when the arched portion 103 collides with the rubber frame 105, the spaced hemispherical protrusions 104 will first contact the metal frame. The deformation of the hemispherical protrusions 104 absorbs the energy of the collision, thereby reducing the noise of the collision between the rubber main spring and the metal frame.

[0067] In addition, the top of the rubber main spring can be hollow to facilitate the lightweight design of the hydraulic suspension and the connection with the powertrain support arm. A frame 105 can be embedded in the top of the rubber main spring. The cross-sectional shape of the frame 105 matches the cross-sectional shape of the hollow part of the top of the rubber main spring. The frame 105 helps to ensure the structural stability of the top of the rubber main spring.

[0068] It is worth noting that, in specific implementation, the base 102 is recessed on the side facing the rubber main spring to form a groove, which facilitates the formation of the first liquid chamber 2 and the second liquid chamber 3 with the rubber main spring. The top of the base 102 and the side wall connected to the rubber main spring can be inclined, for example. Correspondingly, the bottom of the rubber main spring is also inclined to facilitate the connection with the base 102. The connection between the rubber main spring and the base 102 can also refer to the connection form of the rubber main spring and the base 102 in the existing suspension system (such as the vulcanized connection form), which will not be described in detail here.

[0069] It is understandable that the connection between the rubber main spring and the base 102 is inclined to improve the connection stability between the rubber main spring and the base 102, to help disperse the tension on the connection between the rubber main spring and the base 102 during the deformation process, to prevent the rubber main spring from separating from the base 102, and to facilitate a stable connection between the rubber main spring and the base 102.

[0070] It is worth mentioning that the base 102 is generally made of a non-elastic material to facilitate the flow of fluid in the first liquid chamber 2 and the second liquid chamber 3 by the deformation of the hydraulic main spring 101, thereby contributing to the damping effect of the hydraulic suspension. The material of the base 102 can be referenced from the materials of the base 102 in existing suspension systems (such as aluminum alloy), and will not be described in detail here.

[0071] Continue to combine Figures 1 to 4 As shown, in some exemplary embodiments, this embodiment may, for example, include an elastomer 401 disposed in a second liquid chamber 3, the elastomer 401 having an inner cavity filled with gas.

[0072] It is understood that by including an elastic body 401 with an inner cavity and filled with gas in the volume compensation part 4, it is convenient for the volume change when the pressure in the second liquid chamber 3 changes, which facilitates the flow of fluid from the first liquid chamber 2 into the second liquid chamber 3, or from the second liquid chamber 3 into the first liquid chamber 2, thereby facilitating the damping effect of the hydraulic suspension.

[0073] Specifically, when the pressure in the second liquid chamber 3 of the above-mentioned elastomer 401 decreases, the volume of the elastomer 401 increases under the action of the internal air pressure. Conversely, when the pressure in the second liquid chamber 3 increases, the volume of the elastomer 401 decreases due to the action of the internal air pressure.

[0074] In practical implementation, the elastomer 401 can be made of rubber, polymer, or other non-metallic materials, as long as it can change volume with pressure changes in the second liquid chamber 3. It is understood that the material of the elastomer 401 is generally preferred to be one that does not readily react with the fluid filling the second liquid chamber 3, in order to improve the service life of the elastomer 401 and ensure its proper arrangement.

[0075] Continue to combine Figures 1 to 4 As shown, in some exemplary embodiments, this embodiment may, for example, make the elastomer 401 spherical.

[0076] It is understandable that by arranging the elastomer 401 in a spherical shape, it facilitates volume changes and allows for convenient arrangement within the second liquid chamber 3. The spherical shape of the elastomer 401 helps ensure its structural stability during deformation, maintaining its spherical shape over long-term use and thus extending its service life. This facilitates design and implementation. In practical implementation, besides spherical shapes, the elastomer 401 can also be shaped into hollow three-dimensional structures such as olive-shaped, cubic, or polygonal shapes, as long as these structures ensure stability during deformation.

[0077] Specifically, when the elastomer 401 is spherical, the diameter of the elastomer 401 can be in the range of 1 mm to 20 mm, for example. The diameter of the elastomer 401 only needs to be set according to the volume compensation unit 4.

[0078] In addition, an elastic diaphragm can be provided inside the elastomer 401. The elastic diaphragm can divide the inner cavity of the elastomer 401 into multiple chambers. When the elastomer 401 deforms, the elastic diaphragm deforms along with the elastomer 401 to facilitate the recovery of the shape of the elastomer 401. The elastic diaphragm also helps to disperse the stress when the elastomer 401 deforms, which helps to ensure the structural stability of the elastomer 401 and facilitates design and implementation.

[0079] In a specific implementation, the volume compensation unit 4 of this embodiment may include, for example, a plurality of elastic bodies 401, which are arranged in a certain order and arrangement in the second liquid chamber 3.

[0080] It is worth mentioning that the number of elastomers 401 can be between 1 and 2000, depending on the diameter of the elastomers 401 and the internal volume of the second liquid chamber 3. It is also possible to achieve the volume compensation effect of the volume compensation unit 4 within the second liquid chamber 3 using only one elastomer 401. Furthermore, when only one elastomer 401 is used within the second liquid chamber 3, it is understandable that the volume of the elastomer 401 should generally be increased accordingly to ensure the compensation effect of the volume compensation unit 4.

[0081] Specifically, the arrangement of the elastomers 401 can be, for example, in a rectangular shape. Of course, the arrangement of the elastomers 401 can also be in different shapes such as a square or an ellipse, as long as they can be assembled in the second liquid chamber 3 and can deform according to the pressure changes in the second liquid chamber 3.

[0082] It is understandable that by including multiple elastic bodies 401 in the volume compensation section 4, the compensation effect of the volume compensation section 4 can be improved by arranging the multiple elastic bodies 401 in the second liquid chamber 3.

[0083] Continue to combine Figures 1 to 4 As shown, in some of the exemplary embodiments, this embodiment may, for example, allow the gas filling the elastomer 401 to be an inert gas.

[0084] The above-mentioned inert gases (such as helium, neon, argon, krypton, etc.) can all be guaranteed to exist in a gaseous state at normal temperature and pressure. Moreover, inert gases are chemically inert and generally have a high degree of chemical stability, which can prevent them from reacting with elastomer 401. This helps to avoid changes in the material of elastomer 401 caused by the reaction, and thus helps to ensure the stability of elastomer 401.

[0085] Of course, in addition to the inert gases mentioned above, the gas filled inside the elastomer 401 can also be a gas that does not contain oxygen atoms (such as hydrogen, nitrogen, etc.), as long as it does not readily react with the elastomer 401. It is understandable that, besides the inert gases and gases that do not contain oxygen atoms mentioned above, the gas filled inside the elastomer 401 can also be a mixture of multiple gases (such as a mixture of nitrogen and helium), as long as each gas filled inside the elastomer 401 does not readily react with the elastomer 401, and the gases do not react with each other.

[0086] Continue to combine Figures 1 to 4 As shown, in some exemplary embodiments, this embodiment may, for example, restrict the volume compensation part 4 to a fixed position in the second liquid chamber 3, and the fixed position is away from the flow channel assembly 5.

[0087] Understandably, by confining the volume compensation part 4 to a fixed position in the second liquid chamber 3 and away from the flow channel assembly 5, blockage of the flow channel assembly 5 caused by the movement of the volume compensation part 4 in the second liquid chamber 3 is avoided, which helps to ensure the performance of the hydraulic suspension and facilitates design and implementation.

[0088] Continue to combine Figures 1 to 4 As shown, in some exemplary embodiments, this embodiment may, for example, allow the volume compensation part 4 to be fixed to the inner wall of the second liquid chamber 3.

[0089] It is worth noting that by fixing the volume compensation part 4 to the inner wall of the second liquid chamber 3, it is easy to ensure the fixed position of the volume compensation part 4 and to facilitate the arrangement of the volume compensation part 4, which is beneficial to the design and implementation.

[0090] In practical implementation, the connection between the volume compensation part 4 and the inner wall of the second liquid chamber 3 can be achieved, for example, by adhesive bonding or vulcanization bonding. It is understood that when the volume compensation part 4 is internally connected to the second liquid chamber 3, either both ends of the volume compensation part 4 can be connected to the two inner walls of the second liquid chamber 3, or the periphery of the volume compensation part 4 can be connected to each inner wall of the second liquid chamber 3, as long as the volume compensation part 4 can be confined to a fixed position within the second liquid chamber 3.

[0091] It is worth noting that when the volume compensation part 4 is confined to a fixed position within the second liquid chamber 3, the distance between its fixed position and the flow channel assembly 5 needs to be such that when the volume of the volume compensation part 4 increases, it will not obstruct the fluid from entering the first liquid chamber 2 through the flow channel assembly 5 or flowing back from the first liquid chamber 2 to the second liquid chamber 3.

[0092] Continue to combine Figures 1 to 4 As shown, in some exemplary embodiments, this embodiment may, for example, have a baffle in the second liquid chamber 3 that blocks the volume compensation part 4 in a fixed position, and the baffle has a through hole for fluid to pass through.

[0093] It should be noted that the baffle is located inside the second liquid chamber 3, defining a fixed position between the bottom of the baffle and the bottom of the second liquid chamber 3. At this time, the volume compensation part 4 can only move and change volume within the fixed position. The baffle helps to limit the position of the volume compensation part 4, and the through hole facilitates the passage of fluid, which helps to ensure the use effect of the hydraulic suspension and is conducive to design and implementation.

[0094] In specific implementation, the blocking part can be, for example, a plate-like structure, a grid plate, or a mesh structure with through holes. Preferably, the blocking part is a mesh structure, and the mesh holes on the blocking part are the through holes on the blocking part. The blocking part with a mesh structure can restrict the volume compensation part 4 to a fixed position in the second liquid chamber 3 and facilitate the volume change of the volume compensation part 4.

[0095] Specifically, when the baffle is a mesh structure, the size of the mesh openings must be such that the volume compensation part 4 cannot pass through, so that the volume compensation part 4 can be completely constrained between the baffle and the inner wall of the second liquid chamber 3.

[0096] It is worth noting that a reinforcing structure (such as a reinforcing rib) can be provided at the connection between the baffle and the inner wall of the second liquid chamber 3 to increase the connection strength between the baffle and the inner wall of the second liquid chamber 3. Of course, the baffle can also be a structure of other shapes (such as an arch), as long as it can constrain the volume compensation part 4 to a fixed position within the second liquid chamber 3 and allow fluid to pass through.

[0097] It is understandable that by setting the baffle, the volume compensation part 4 is constrained within a portion of the space in the second liquid chamber 3. This portion of the space can be regarded as a limiting chamber. The volume compensation part 4 can only move within the limiting chamber. The volume compensation part 4 will not flow into the space outside the limiting chamber with the flow of fluid. Furthermore, the volume compensation part 4 can only change its volume within the limiting chamber.

[0098] It should be noted that the volume change of the volume compensation part 4 is related to the pressure in the second liquid chamber 3. When the pressure in the second liquid chamber 3 decreases, the volume of the volume compensation part 4 will increase. When the volume of the volume compensation part 4 increases to the point that it may block part of the through hole and affect the flow of fluid from the area below the baffle to the area above the baffle, most of the fluid has already flowed into the area above the baffle or into the first liquid chamber 2. Therefore, even if the volume of the volume compensation part 4 increases and blocks part of the through hole, it will not affect the implementation of this embodiment.

[0099] Continue to combine Figures 1 to 4 As shown, in some exemplary embodiments, this embodiment may, for example, include a flow channel assembly 5 including a flow channel plate 501 and a plurality of flow channel holes 502 disposed on the flow channel plate 501, wherein the first liquid chamber 2 and the second liquid chamber 3 are connected through each flow channel hole 502.

[0100] In specific implementation, the flow channel plate 501 is fixedly assembled in the suspension body 1, and the flow channel plate 501 divides the internal chamber of the suspension body 1 into the first liquid chamber 2 and the second liquid chamber 3. That is, the two sides of the flow channel plate 501 are the first liquid chamber 2 and the second liquid chamber 3 respectively. By making the flow channel assembly 5 include the flow channel plate 501 and a number of flow channel holes 502 provided on the flow channel plate 501, the processing and manufacturing of the flow channel assembly 5 is convenient, and the structure is simple and easy to design and implement.

[0101] It is worth mentioning that the flow channel holes 502 provided on the flow channel plate 501 are evenly arranged on the flow channel plate 501. Of course, in addition to the above evenly arranged arrangement, the arrangement of the flow channel holes 502 in the existing suspension system can be referenced (such as array arrangement in a certain way). It will not be elaborated here.

[0102] In specific implementation, the flow channel holes 502 are arranged in a circular shape, and several circular flow channel holes 502 are evenly arranged on the flow channel plate 501. Of course, in addition to the flow channel holes 502 arranged in a circular shape, the shape of the flow channel holes 502 in the existing suspension system can also be referenced, which will not be elaborated here.

[0103] It is worth noting that, regarding the hydraulic suspension in this embodiment, based on the above exemplary implementations, in specific implementation, as a preferred embodiment, it is still provided by... Figures 1 to 4 As shown, it may include, for example, a suspension body 1.

[0104] The suspension body 1 includes a rubber main spring and a base 102. The bottom of the rubber main spring is recessed to form a groove, and the top of the base 102 is recessed to form a groove. The rubber main spring is vulcanized and connected to the base 102, and a first liquid chamber 2 and a second liquid chamber 3 are formed between the rubber main spring and the base 102. The volume of the first liquid chamber 2 can change with the deformation of the rubber main spring.

[0105] The top of the rubber main spring is hollow and has an arched portion 103 and a hemispherical protrusion 104 on the arched portion 103. The bottom of the rubber main spring has a first connecting arm 1011, a second connecting arm 1012 and a connecting portion 1013 between the first connecting arm 1011 and the second connecting arm 1012.

[0106] The suspension body 1 is also provided with a flow channel assembly 5. The flow channel assembly 5 includes a flow channel plate 501 and a plurality of flow channel holes 502 provided on the flow channel plate 501. The plurality of flow channel holes 502 are circular holes and are evenly distributed on the flow channel plate 501. The flow channel plate 501 serves as the boundary between the first liquid chamber 2 and the second liquid chamber 3. The first liquid chamber 2 is located between the flow channel plate 501 and the rubber main spring, and the second liquid chamber 3 is located between the flow channel plate 501 and the base 102.

[0107] The second liquid chamber 3 is provided with a volume compensation part 4, which is connected to the inner wall of the second liquid chamber 3 by adhesive and is restricted to a fixed position in the second liquid chamber 3. The fixed position of the volume compensation part 4 is restricted to a position away from the flow channel assembly 5.

[0108] The volume compensation unit 4 includes multiple elastic bodies 401, each of which is spherically shaped and has an inner cavity filled with an inert gas. The volume of each elastic body 401 can change with the pressure change in the second liquid chamber 3. When the fluid in the second liquid chamber 3 flows into the first liquid chamber 2 through the flow channel hole 502, the volume of the elastic body 401 increases as the pressure in the second liquid chamber 3 decreases. When the fluid in the first liquid chamber 2 flows into the second liquid chamber 3 through the flow channel hole 502, the volume of the elastic body 401 decreases as the pressure in the second liquid chamber 3 increases.

[0109] Regarding the hydraulic suspension in this embodiment, based on the above exemplary embodiments, in specific implementation, as a preferred embodiment, it is still composed of... Figures 1 to 4 As shown, it may include, for example, a suspension body 1.

[0110] The suspension body 1 includes a rubber main spring and a base 102. The bottom of the rubber main spring is recessed to form a groove, and the top of the base 102 is recessed to form a groove. The rubber main spring is vulcanized and connected to the base 102, and a first liquid chamber 2 and a second liquid chamber 3 are formed between the rubber main spring and the base 102. The volume of the first liquid chamber 2 can change with the deformation of the rubber main spring.

[0111] The top of the rubber main spring is hollow and has an arched portion 103 and a hemispherical protrusion 104 on the arched portion 103. The bottom of the rubber main spring has a first connecting arm 1011, a second connecting arm 1012 and a connecting portion 1013 between the first connecting arm 1011 and the second connecting arm 1012.

[0112] The suspension body 1 is also provided with a flow channel assembly 5. The flow channel assembly 5 includes a flow channel plate 501 and a plurality of flow channel holes 502 provided on the flow channel plate 501. The plurality of flow channel holes 502 are circular holes and are evenly distributed on the flow channel plate 501. The flow channel plate 501 serves as the boundary between the first liquid chamber 2 and the second liquid chamber 3. The first liquid chamber 2 is located between the flow channel plate 501 and the rubber main spring, and the second liquid chamber 3 is located between the flow channel plate 501 and the base 102.

[0113] The second liquid chamber 3 is provided with a volume compensation part 4 and a blocking part. The volume compensation part 4 is blocked by the blocking part and fixed in a fixed position within the second liquid chamber 3, and the fixed position of the volume compensation part 4 is restricted away from the flow channel assembly 5. The blocking part is provided with a mesh structure, and the mesh of the blocking part allows fluid to pass through.

[0114] The volume compensation unit 4 includes multiple elastic bodies 401, each of which is spherically shaped and has an inner cavity filled with an inert gas. The volume of each elastic body 401 can change with the pressure change in the second liquid chamber 3. When the fluid in the second liquid chamber 3 flows into the first liquid chamber 2 through the flow channel hole 502, the volume of the elastic body 401 increases as the pressure in the second liquid chamber 3 decreases. When the fluid in the first liquid chamber 2 flows into the second liquid chamber 3 through the flow channel hole 502, the volume of the elastic body 401 decreases as the pressure in the second liquid chamber 3 increases.

[0115] In the preferred embodiment of the hydraulic suspension described above, the specific configuration and arrangement of the hydraulic main spring 101, base 102, volume compensation part 4, and flow channel assembly 5 can still be referred to the descriptions in the above exemplary embodiments. Furthermore, in this preferred embodiment, the beneficial effects brought about by the design of the hydraulic main spring 101, base 102, volume compensation part 4, and flow channel assembly 5 can also be referred to the descriptions in the above exemplary embodiments.

[0116] The hydraulic suspension in this embodiment, with the above design, can cause fluid flow in the first liquid chamber 2 and the second liquid chamber 3 due to the deformation of the hydraulic main spring 101. When the pressure in the second liquid chamber 3 changes, the volume compensation part 4 provided in the suspension body 1 can replace the traditional cup seal. The volume of the volume compensation part 4 changes with the pressure in the second liquid chamber 3. This not only ensures that the liquid can flow between the first liquid chamber 2 and the second liquid chamber 3 and guarantees the damping effect of the hydraulic suspension, but also avoids problems such as poor sealing and easy leakage caused by riveting, pressing and other connection methods, so as to improve the performance of the hydraulic suspension.

[0117] An embodiment of the second aspect of this application provides a vehicle having hydraulic suspension as described above.

[0118] In the vehicle of this embodiment, the aforementioned hydraulic mount serves as a connection between the powertrain and the vehicle body, and it is generally equipped with an external metal frame. Furthermore, the hydraulic mount is typically connected to the vehicle body via the metal frame, and is connected to the powertrain's support arm via the mount body 1.

[0119] Furthermore, in specific applications, when the powertrain drives the hydraulic main spring 101 of the suspension body 1 to deform, the damping fluid in the first liquid chamber 2 and the second liquid chamber 3 in the suspension body 1 flows through the flow channel assembly 5. Through the flow of the damping fluid in the first liquid chamber 2 and the second liquid chamber 3 and the viscosity of the liquid, a damping force is generated, which can absorb the energy of vibration.

[0120] At this time, the volume of the volume compensation part 4 in the suspension body 1 increases as the pressure in the second liquid chamber 3 decreases when the damping fluid in the second liquid chamber 3 flows into the first liquid chamber 2, and decreases as the pressure in the second liquid chamber 3 increases when the damping fluid in the first liquid chamber 2 flows into the second liquid chamber 3.

[0121] The vehicle in this embodiment, by having the hydraulic mounts as described above, ensures the damping effect of the hydraulic mounts and avoids problems such as poor sealing and easy leakage caused by riveting, pressing and other connection methods. This improves the service life of the hydraulic mounts and enhances their performance, thus contributing to the improvement of the vehicle's overall quality.

[0122] The above descriptions are merely some embodiments of this application and are not intended to limit this application. The technical features or structures in the foregoing different embodiments can be arbitrarily combined to form other specific technical solutions as needed. For those skilled in the art, this application can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of the claims of this application.

Claims

1. A hydraulic suspension, characterized in that: Includes the suspension body (1); The suspension body (1) is provided with a first liquid chamber (2) and a second liquid chamber (3) connected by a flow channel assembly (5); The volume of the first liquid chamber (2) can change with the deformation of the rubber main spring in the suspension body (1), and the second liquid chamber (3) is provided with a volume compensation part (4); When the fluid in the second liquid chamber (3) flows into the first liquid chamber (2) through the flow channel assembly (5), the volume of the volume compensation part (4) increases as the pressure in the second liquid chamber (3) decreases, and when the fluid in the first liquid chamber (2) flows into the second liquid chamber (3) through the flow channel assembly (5), the volume of the volume compensation part (4) decreases as the pressure in the second liquid chamber (3) increases.

2. The hydraulic suspension according to claim 1, characterized in that: The volume compensation unit (4) includes an elastic body (401) disposed in the second liquid chamber (3), the elastic body (401) having an inner cavity filled with gas; When the pressure in the second liquid chamber (3) decreases, the volume of the elastomer (401) increases, and when the pressure in the second liquid chamber (3) increases, the volume of the elastomer (401) decreases.

3. The hydraulic suspension according to claim 2, characterized in that: The elastomer (401) is spherical; and / or, The volume compensation unit (4) includes a plurality of the elastomers (401).

4. The hydraulic suspension according to claim 2, characterized in that: The gas is an inert gas.

5. The hydraulic suspension according to claim 1, characterized in that: The volume compensation part (4) is confined to a fixed position in the second liquid chamber (3), the fixed position being away from the flow channel assembly (5).

6. The hydraulic suspension according to claim 5, characterized in that: The volume compensation part (4) is fixed on the inner wall of the second liquid chamber (3).

7. The hydraulic suspension according to claim 5, characterized in that: The second liquid chamber (3) is provided with a baffle, the volume compensation part (4) is blocked by the baffle in the fixed position, and the baffle is provided with a through hole for the fluid to pass through.

8. The hydraulic suspension according to claim 1, characterized in that: The flow channel assembly (5) includes a flow channel plate (501) and a plurality of flow channel holes (502) provided on the flow channel plate (501); The first liquid chamber (2) and the second liquid chamber (3) are connected through the respective flow channel holes (502).

9. The hydraulic suspension according to any one of claims 1 to 8, characterized in that: The suspension body (1) includes a base (102), the rubber main spring is fixed to the base (102), and the flow channel assembly (5) is fixed in the base (102) by the rubber main spring; The first liquid chamber (2) is formed between the rubber main spring and the flow channel assembly (5), and the second liquid chamber (3) is formed between the base (102) and the flow channel assembly (5).

10. A vehicle, characterized in that: The vehicle is equipped with a hydraulic suspension as described in any one of claims 1 to 9.

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