Double-control-valve shock absorber and vehicle

Abstract

The utility model provides a double-control-valve shock absorber and a vehicle, relates to the technical field of vehicle shock absorption, and aims to reduce the structural complexity of the shock absorber to a certain extent and reduce the manufacturing cost. Comprising a shock absorber body, a first control valve piston assembly and a second control valve. A cavity, a first cavity, a second cavity and a third cavity are formed in the shock absorber body, the first cavity, the second cavity and the third cavity are located in the cavity, the piston assembly divides the first cavity into a rod cavity and a rodless cavity, the second cavity is communicated with the rod cavity, the third cavity is communicated with the rodless cavity, and the third cavity is communicated with the cavity through the second control valve. The first control valve comprises a valve main body and a non-return assembly; the valve main body is provided with a first oil port communicated with the second cavity, a second oil port communicated with the cavity, a main oil way communicated with the first oil port and the second oil port, and an auxiliary oil way communicated with the second oil port and the main oil way; the non-return assembly is arranged in the auxiliary oil way and prevents oil in the main oil way from entering the second oil port from the auxiliary oil way.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle shock absorption, in particular to a double-control valve shock absorber and a vehicle. Background Art

[0002] An adjustable damping shock absorber can automatically increase the damping force when the vehicle turns or encounters an uneven road surface, so as to adapt to the vibration caused by turning or uneven road surface, thereby improving the driving stability and controllability of the vehicle and enhancing the driving experience.

[0003] Most of the existing adjustable damping shock absorbers include two control valves to adjust the oil passing opening when the piston moves telescopically, so as to realize the adjustment of damping. However, the structure of the existing double-control valve shock absorber is complex, and most of them realize the one-way flow of oil by designing a one-way valve structure in the shock absorber structure. However, the design of the one-way valve structure in the shock absorber not only has a large manufacturing difficulty, but also has a high cost.

[0004] Therefore, there is an urgent need to provide a double-control valve shock absorber and a vehicle to solve the problems existing in the prior art to a certain extent. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a double-control valve shock absorber and a vehicle to reduce the complexity of the shock absorber structure and the manufacturing cost to a certain extent.

[0006] A double-control valve shock absorber provided by the utility model includes a shock absorber body, a first control valve, a piston assembly and a second control valve; the shock absorber body forms a cavity, a first cavity, a second cavity and a third cavity located in the cavity, the piston assembly divides the first cavity into a rod chamber and a rodless chamber that are independent of each other, the second cavity is communicated with the rod chamber, the third cavity is communicated with the rodless chamber, and the second control valve communicates the third cavity with the cavity; the first control valve includes a valve body and a check component, the valve body forms a first oil port communicated with the second cavity, a second oil port communicated with the cavity, a main oil path communicating the first oil port and the second oil port, and a secondary oil path communicating the second oil port and the main oil path; the check component is arranged in the secondary oil path and blocks the oil in the main oil path from entering the second oil port through the secondary oil path.

[0007] Wherein, the valve body forms a first oil passing cavity and a second oil passing cavity, the main oil path is respectively communicated with the first oil port and the first oil passing cavity, the first oil passing cavity is communicated with the second oil port, and the end of the secondary oil path far from the connection with the main oil path is communicated with the first oil passing cavity; the check component is arranged in the second oil passing cavity and blocks the oil in the main oil path from entering the first oil passing cavity.

[0008] Specifically, the valve body includes a valve housing, a first valve section, and a second valve section; the first valve section and the second valve section are both disposed within the valve housing, and the valve housing and the first valve section form the first oil passage chamber, the first valve section is sleeved outside the second valve section, and forms the second oil passage chamber with the second valve section.

[0009] Further, the second valve section is formed with a first oil passage port and a second oil passage port, the first oil passage port is communicated with the main oil path and the second oil passage chamber; the second oil passage port is communicated with the first oil passage chamber and the second oil passage chamber, and the check assembly is disposed corresponding to the second oil passage port.

[0010] Further, the check assembly includes an elastic member and a stop member, the second oil passage chamber is annular, the elastic member is sleeved on the second valve section, and one end of the elastic member abuts against the bottom wall of the second oil passage chamber, and the other end is connected to the stop member, and the stop member seals the second oil passage port.

[0011] Wherein, a third oil passage port is formed on the first valve section, and the third oil passage port is communicated with the main oil path and the first oil passage chamber.

[0012] Specifically, for the double solenoid valve shock absorber provided by the present invention, the shock absorber body includes a housing, a cavity is formed within the housing, one end of the piston assembly is located within the first cavity, and divides the first cavity into a rod chamber and a rodless chamber, and the other end of the piston assembly extends out of the housing.

[0013] Further, the piston assembly includes a rod body and a rebound valve member, one end of the rod body is connected to the rebound valve member, and the rebound valve member divides the first cavity into a rod chamber and a rodless chamber.

[0014] Furthermore, for the double solenoid valve shock absorber provided by the present invention, the second control valve is formed with a fourth oil passage port and a fifth oil passage port, the fourth oil passage port is communicated with the third cavity, and the fifth oil passage port is communicated with the cavity.

[0015] Compared with the prior art, the double control valve shock absorber provided by the present invention has the following advantages:

[0016] The double control valve shock absorber provided by the present utility model includes a shock absorber main body, a first control valve, a piston assembly and a second control valve; the shock absorber main body forms a cavity, a first cavity, a second cavity and a third cavity located in the cavity. The piston assembly divides the first cavity into a rod chamber and a rodless chamber that are independent of each other. The second cavity is connected to the rod chamber, the third cavity is connected to the rodless chamber, and the second control valve connects the third cavity to the cavity; the first control valve includes a valve main body and a check assembly. The valve main body forms a first oil port connected to the second cavity, a second oil port connected to the cavity, a main oil path connecting the first oil port and the second oil port, and a sub-oil path connecting the second oil port and the main oil path; the check assembly is arranged in the sub-oil path and blocks the oil in the main oil path from entering the second oil port through the sub-oil path.

[0017] From the above analysis, it can be seen that the cavity formed by the shock absorber main body can accommodate the first cavity, the second cavity and the third cavity, and the piston assembly can make the first cavity form an independent rod chamber and rodless chamber, and connect the second cavity to the rod chamber and the third cavity to the rodless chamber. Thus, when the piston assembly moves telescopically, the oil in the rod chamber or the rodless chamber can flow into the second cavity or the third cavity. Correspondingly, since the valve main body of the first control valve in the present application forms a first oil port connected to the second cavity, a second oil port connected to the cavity, a main oil path connecting the first oil port and the second oil port, and a sub-oil path connecting the second oil port and the main oil path, and the check assembly is arranged in the sub-oil path, when the piston assembly extends, it will compress the volume in the rod chamber, so that the oil in the rod chamber enters the second cavity. Since the first oil port is connected to the second cavity, the oil in the second cavity enters the valve main body through the first oil port and flows in the direction of the second oil port through the main oil path until it flows out from the second oil port, and the second oil port is connected to the cavity, so that the oil can flow into the cavity. It can be understood that since the sub-oil path in the present application is connected to the main oil path and the check assembly is arranged in the sub-oil path, the oil entering the main oil path will be blocked by the check assembly when passing through the sub-oil path and thus cannot flow to the second oil port through the sub-oil path.

[0018] And since the second control valve in the present application can connect the third cavity to the cavity, the oil entering the cavity can enter the third cavity through the second control valve and enter the rodless chamber from the third cavity to achieve oil balance.

[0019] When the piston assembly contracts, the volume of the rod chamber increases, and the rodless chamber is compressed. As a result, the hydraulic fluid in the rodless chamber flows through the third chamber into the second control valve and then enters the cavity through the second control valve. The hydraulic fluid in the cavity enters the valve body through the second oil port. Since a check component is provided in the sub-oil path connecting the second oil port and the main oil path in this application, and the hydraulic fluid can push open the check component after entering the sub-oil path from the second oil port, the connection between the sub-oil path and the main oil path is realized. Therefore, when the check component opens the sub-oil path, the hydraulic fluid can enter the main oil path, flow into the second chamber through the first oil port from the main oil path, and finally enter the rod chamber of the first chamber to achieve hydraulic fluid balance.

[0020] Since the check component in this application is integrated in the valve body of the first control valve, the structure of the shock absorber body is made simpler. Without changing the structure of the shock absorber body, the structure of the shock absorber is made simpler, thereby reducing the manufacturing difficulty of the shock absorber body structure and further reducing the manufacturing cost.

[0021] In addition, the present utility model also provides a vehicle, including the double control valve shock absorber described above.

[0022] The vehicle adopting the double control valve shock absorber provided by this application has a better adjustable damping effect. At the same time, since the structure of the shock absorber body is simpler, the moving structural components involved in the action process are relatively fewer, thereby improving the service life of the shock absorber body. And, since the check component in this application is integrated in the first control valve, once the check component fails, it is also simpler to replace the first control valve, and the maintenance cost is lower, thereby reducing the user's maintenance cost and improving the user experience. Description of the Drawings

[0023] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1 It is a schematic diagram of the overall structure of the double control valve shock absorber provided by the embodiment of the present utility model;

[0025] Figure 2 For Figure 1 The partial enlarged view at A in

[0026] In the figure: 1 - outer shell; 101 - cavity; 2 - first cavity; 201 - rod chamber; 202 - rodless chamber; 3 - second cavity; 4 - third cavity; 5 - first control valve; 501 - valve housing; 5011 - first oil passage chamber; 502 - first valve segment; 5021 - third oil port; 503 - second valve segment; 5031 - first oil port; 5032 - second oil port; 5033 - second oil passage chamber; 504 - main oil passage; 505 - first oil port; 506 - second oil port; 6 - second control valve; 601 - fourth oil port; 602 - fifth oil port; 7 - rod body; 8 - restoring valve member; 9 - elastic member; 10 - stop member. Detailed implementation manners

[0027] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part rather than all of the embodiments of the present application. Usually, the components of the embodiments of the present application described and illustrated herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the present application claimed, but merely represents selected embodiments of the present application. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative efforts shall fall within the scope of protection of the present application.

[0028] In the description of the embodiments of the present application, it should be noted that the orientation or positional relationships indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, or the orientation or positional relationships in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third", etc. are only used for descriptive distinction and cannot be construed as indicating or implying relative importance.

[0029] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0030] In the description of the embodiments of the present application, it should also be noted that, unless otherwise clearly specified and limited, the terms "arranged", "installed", "connected", and "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0031] As used herein, the term "and / or" includes any one of the listed related items and any combination of any two or more of them.

[0032] For ease of description, spatial relationship terms such as "above", "upper", "below", and "lower" can be used herein to describe the relationship between one element and another as shown in the drawings. Such spatial relationship terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the drawings.

[0033] The terms used herein are only for describing various examples and are not intended to limit the present disclosure. Unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. The terms "comprise", "include" and "have" enumerate the stated features, quantities, operations, components, elements and / or combinations thereof that exist, but do not preclude the existence or addition of one or more other features, quantities, operations, components, elements and / or combinations thereof.

[0034] Due to manufacturing techniques and / or tolerances, variations in the shapes shown in the drawings may occur. Therefore, the examples described herein are not limited to the specific shapes shown in the drawings, but include changes in shape that occur during manufacturing.

[0035] The features of the examples described herein can be combined in various ways that will be apparent after understanding the disclosure of the present application. In addition, although the examples described herein have various configurations, as will be apparent after understanding the disclosure of the present application, other configurations are possible. Additionally, the technical solutions between various embodiments can be combined with each other, but it must be based on what can be achieved by those of ordinary skill in the art. When the combination of technical solutions results in contradictions or cannot be achieved, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present application.

[0036] As Figure 1As shown in the figure, the present utility model provides a double-control valve shock absorber, which includes a shock absorber main body, a first control valve 5, a piston assembly and a second control valve 6; the shock absorber main body forms a cavity 101, a first cavity 2, a second cavity 3 and a third cavity 4 located in the cavity 101. The piston assembly divides the first cavity 2 into a rod chamber 201 and a rodless chamber 202 that are independent of each other. The second cavity 3 is communicated with the rod chamber 201, and the third cavity 4 is communicated with the rodless chamber 202. The second control valve 6 communicates the third cavity 4 with the cavity 101; the first control valve 5 includes a valve main body and a check component. The valve main body forms a first oil port 505 communicated with the second cavity 3, a second oil port 506 communicated with the cavity 101, a main oil passage 504 communicating the first oil port 505 and the second oil port 506, and a sub-oil passage communicating the second oil port 506 and the main oil passage 504; the check component is arranged in the sub-oil passage and blocks the oil in the main oil passage 504 from entering the second oil port 506 through the sub-oil passage.

[0037] Compared with the prior art, the double-control valve shock absorber provided by the present utility model has the following advantages:

[0038] For the double-control valve shock absorber provided by the present utility model, the cavity 101 formed by the shock absorber main body can accommodate the first cavity 2, the second cavity 3 and the third cavity 4, and the piston assembly can make the first cavity 2 form an independent rod chamber 201 and rodless chamber 202, and make the second cavity 3 communicate with the rod chamber 201, and the third cavity 4 communicate with the rodless chamber 202. Thus, when the piston assembly moves telescopically, the oil in the rod chamber 201 or the rodless chamber 202 can flow into the second cavity 3 or the third cavity 4. Correspondingly, since the valve main body of the first control valve 5 in the present application forms a first oil port 505 communicated with the second cavity 3, a second oil port 506 communicated with the cavity 101, a main oil passage 504 communicating the first oil port 505 and the second oil port 506, and a sub-oil passage communicating the second oil port 506 and the main oil passage 504, and the check component is arranged in the sub-oil passage. Therefore, when the piston assembly extends, the volume in the rod chamber 201 will be compressed, so that the oil in the rod chamber 201 enters the second cavity 3. Since the first oil port 505 is communicated with the second cavity 3, the oil in the second cavity 3 enters the valve main body from the first oil port 505 and flows in the direction of the second oil port 506 through the main oil passage 504 until it flows out from the second oil port 506, and the second oil port 506 is communicated with the cavity 101, so that the oil can flow into the cavity 101. It can be understood that since the sub-oil passage in the present application is communicated with the main oil passage 504 and the check component is arranged in the sub-oil passage, the oil entering the main oil passage 504 will be blocked by the check component when passing through the sub-oil passage, so that it cannot flow to the second oil port 506 through the sub-oil passage.

[0039] Since the second control valve 6 in the present application can connect the third cavity 4 with the cavity 101, the hydraulic oil entering the cavity 101 can enter the third cavity 4 through the second control valve 6 and enter the rodless cavity 202 from the third cavity 4 to achieve hydraulic balance.

[0040] When the piston assembly contracts, the volume of the rod chamber 201 becomes larger and the rodless cavity 202 is compressed. As a result, the hydraulic oil in the rodless cavity 202 flows into the second control valve 6 through the third cavity 4 and enters the cavity 101 through the second control valve 6. The hydraulic oil in the cavity 101 enters the valve body through the second oil port 506. Since a check component is provided in the sub-oil path connecting the second oil port 506 and the main oil path 504 in the present application and the hydraulic oil can push open the check component after entering the sub-oil path from the second oil port 506, the connection between the sub-oil path and the main oil path 504 is achieved. Therefore, when the check component opens the sub-oil path, the hydraulic oil can enter the main oil path 504, flow into the second chamber through the first oil port 505 from the main oil path 504, and finally enter the rod chamber 201 of the first chamber to achieve hydraulic balance.

[0041] Since the check component in the present application is integrated in the valve body of the first control valve 5, the structure of the shock absorber body is made simpler. There is no need to change the structure of the shock absorber body, making the shock absorber structure simpler, thereby reducing the manufacturing difficulty of the shock absorber body structure and further reducing the manufacturing cost.

[0042] It can be understood that, as Figure 1 combined with Figure 2 shown, the valve body in the present application forms a first oil passage cavity 5011 and a second oil passage cavity 5033. The main oil path 504 is respectively connected to the first oil port 505 and the first oil passage cavity 5011. The first oil passage cavity 5011 is connected to the second oil port 506, and the end of the sub-oil path far from the connection with the main oil path 504 is connected to the first oil passage cavity 5011. The check component is arranged in the second oil passage cavity 5033 to block the hydraulic oil in the main oil path 504 from entering the first oil passage cavity 5011.

[0043] The formed second oil passage cavity 5033 can provide an installation space for the check component. By installing the check component in the second oil passage cavity 5033, one-way blocking of the sub-oil path can be achieved, that is, the problem that the hydraulic oil in the main oil path 504 enters the second oil passage cavity 5033 and flows out through the second oil port 506 from the sub-oil path into the first oil passage cavity 5011 can be avoided.

[0044] However, the hydraulic oil in the main oil path 504 in the present application can enter the second oil passage cavity 5033. The more the hydraulic oil enters, the more reliable the check component blocks the sub-oil path, thus ensuring the stable operation of the overall structure.

[0045] Optionally, as Figure 1Combination Figure 2 As shown in the figure, the valve body in the present application includes a valve housing 501, a first valve section 502, and a second valve section 503. The first valve section 502 and the second valve section 503 are both disposed within the valve housing 501. The valve housing 501 and the first valve section 502 form a first oil passage chamber 5011. The first valve section 502 is sleeved outside the second valve section 503 and forms a second oil passage chamber 5033 with the second valve section 503.

[0046] Optionally, as Figure 2 shown, the second valve section 503 in the present application is formed with a first oil passage port 5031 and a second oil passage port 5032. The first oil passage port 5031 is connected to the main oil passage 504 and the second oil passage chamber 5033. The second oil passage port 5032 is connected to the first oil passage chamber 5011 and the second oil passage chamber 5033. The check assembly is disposed corresponding to the second oil passage port 5032.

[0047] A third oil passage port 5021 is formed on the first valve section 502. The third oil passage port 5021 is connected to the main oil passage 504 and the first oil passage chamber 5011.

[0048] Through the third oil passage port 5021 formed on the first valve section 502, when the piston assembly is in the tensile state and compresses the rod chamber 201, the oil can enter the main oil passage 504 through the first oil port 505, enter the first oil passage chamber 5011 through the third oil passage port 5021, and enter the cavity 101 through the second oil port 506 connected to the first oil passage chamber 5011. At the same time, the oil in the main oil passage 504 enters the second oil passage chamber 5033 through the first oil passage port 5031 formed by the second valve section 503, realizing further pressing of the check assembly.

[0049] When the piston assembly is in the compression state and compresses the non-rod chamber 202, the oil in the cavity 101 enters the first oil passage chamber 5011 through the second oil port 506. Through the second oil passage port 5032 formed by the second valve section 503, the oil can enter from the first oil passage chamber 5011, push open the check assembly and enter the second oil passage chamber 5033, and finally enter the main oil passage 504 through the first oil passage port 5031 and enter the second cavity 3 through the first oil port 505.

[0050] It can be understood that, as Figure 2 shown, the check assembly in the present application includes an elastic member 9 and a stop member 10. The second oil passage chamber 5033 is annular. The elastic member 9 is sleeved on the second valve section 503. One end of the elastic member 9 abuts against the bottom wall of the second oil passage chamber 5033, and the other end is connected to the stop member 10. The stop member 10 seals the second oil passage port 5032.

[0051] The elastic member 9 in the present application can be a spring. Through the spring, the automatic reset of the stopper 10 can be achieved and the pressure on the stopper 10 can be maintained, thereby ensuring the stable realization of the closing and opening processes of the second oil passage port 5032.

[0052] Optionally, as Figure 1 shown, for the double solenoid valve shock absorber provided by the present utility model, the shock absorber body includes a housing 1. A cavity 101 is formed inside the housing 1. One end of the piston assembly is located in the first cavity 2 and divides the first cavity 2 into a rod chamber 201 and a rodless chamber 202, and the other end of the piston assembly extends out of the housing 1.

[0053] It can be understood that, as Figure 1 shown, the piston assembly in the present application includes a rod body 7 and a rebound valve member 8. One end of the rod body 7 is connected to the rebound valve member 8, and the rebound valve member 8 divides the first cavity 2 into a rod chamber 201 and a rodless chamber 202.

[0054] The rebound valve member 8 in the present application is hermetically and movably connected to the inner wall of the first cavity 2, so as to ensure the relative independence and sealing between the rod chamber 201 and the rodless chamber 202, and to avoid the problem of oil leakage to a certain extent. In this way, when the rod body 7 expands and contracts to drive the rebound valve member 8, the rod chamber 201 or the rodless chamber 202 can be stably compressed to ensure the smooth flow of the oil.

[0055] Optionally, as Figure 1 shown, for the double solenoid valve shock absorber provided by the present utility model, the second control valve 6 is formed with a fourth oil passage port 601 and a fifth oil passage port 602. The fourth oil passage port 601 is communicated with the third cavity 4, and the fifth oil passage port 602 is communicated with the cavity 101.

[0056] In addition, the present utility model also provides a vehicle including the above-mentioned double control valve shock absorber.

[0057] For the vehicle adopting the double control valve shock absorber provided by the present application, while having a better adjustable damping effect, since the structure of the shock absorber body is simpler, the number of moving structural parts involved in the action process is relatively less, thereby improving the service life of the shock absorber body. And, since the check valve assembly in the present application is integrated in the first control valve 5, once the check valve assembly fails, it is also simpler to replace the first control valve 5, and the maintenance cost is lower, thereby reducing the user's maintenance cost and improving the user experience.

[0058] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A double control valve shock absorber, characterized in that, It includes a shock absorber body, a first control valve, a piston assembly and a second control valve; The shock absorber body forms a cavity, a first chamber, a second chamber and a third chamber located within the cavity. The piston assembly divides the first chamber into a rod chamber and a rodless chamber that are independent of each other. The second chamber is in communication with the rod chamber, the third chamber is in communication with the rodless chamber, and the second control valve communicates the third chamber with the cavity; The first control valve includes a valve body and a check component. The valve body forms a first oil port in communication with the second chamber, a second oil port in communication with the cavity, a main oil passage connecting the first oil port and the second oil port, and a secondary oil passage connecting the second oil port and the main oil passage; The check component is disposed in the secondary oil passage and blocks the oil in the main oil passage from entering the second oil port through the secondary oil passage.

2. The double control valve shock absorber according to claim 1, characterized in that, The valve body forms a first oil passage cavity and a second oil passage cavity. The main oil passage is respectively in communication with the first oil port and the first oil passage cavity. The first oil passage cavity is in communication with the second oil port, and the end of the secondary oil passage away from the connection with the main oil passage is in communication with the first oil passage cavity; The check component is disposed in the second oil passage cavity to block the oil in the main oil passage from entering the first oil passage cavity.

3. The double control valve shock absorber according to claim 2, wherein, The valve body includes a valve housing, a first valve section and a second valve section; The first valve section and the second valve section are both disposed within the valve housing. The valve housing and the first valve section form the first oil passage cavity. The first valve section is sleeved outside the second valve section and forms the second oil passage cavity with the second valve section.

4. The double control valve shock absorber according to claim 3, characterized in that, The second valve section forms a first oil passage port and a second oil passage port. The first oil passage port is in communication with the main oil passage and the second oil passage cavity; The second oil passage port is in communication with the first oil passage cavity and the second oil passage cavity, and the check component is disposed corresponding to the second oil passage port.

5. The double control valve shock absorber according to claim 4, characterized in that, The check component includes an elastic member and a stop member. The second oil passage cavity is annular. The elastic member is sleeved on the second valve section. One end of the elastic member abuts against the bottom wall of the second oil passage cavity, and the other end is connected to the stop member. The stop member seals the second oil passage port.

6. The double control valve shock absorber according to claim 3, characterized in that, A third oil passage port is formed on the first valve section. The third oil passage port is in communication with the main oil passage and the first oil passage cavity.

7. The double control valve shock absorber according to claim 1, characterized in that, The shock absorber body includes a housing. The cavity is formed within the housing. One end of the piston assembly is located within the first chamber and divides the first chamber into the rod chamber and the rodless chamber. The other end of the piston assembly extends out of the housing.

8. The double control valve shock absorber according to claim 7, characterized in that, The piston assembly includes a rod body and a rebound valve member. One end of the rod body is connected to the rebound valve member, and the rebound valve member divides the first chamber into the rod chamber and the rodless chamber.

9. The double control valve shock absorber according to claim 1, characterized in that, The second control valve forms a fourth oil passage port and a fifth oil passage port. The fourth oil passage port is in communication with the third chamber, and the fifth oil passage port is in communication with the cavity.

10. A vehicle, characterized in that, It includes a double-control-valve shock absorber according to any one of the above claims 1-9.

Images