CN115750660A - Feedback type hydraulic suspension - Google Patents
Feedback type hydraulic suspension Download PDFInfo
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- CN115750660A CN115750660A CN202211439936.5A CN202211439936A CN115750660A CN 115750660 A CN115750660 A CN 115750660A CN 202211439936 A CN202211439936 A CN 202211439936A CN 115750660 A CN115750660 A CN 115750660A
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Abstract
The invention discloses a feedback type hydraulic suspension, which comprises a shell, a rubber main spring and a vibration isolation mechanism, wherein the rubber main spring and the shell form a sealed cavity, the vibration isolation mechanism divides the sealed cavity into an upper liquid chamber and a lower liquid chamber, and the feedback type hydraulic suspension also comprises a first adjusting rod, a second adjusting rod, a first one-way valve and a second one-way valve, wherein: the vibration isolation mechanism comprises an elastic block, the elastic block comprises a fixed area and a deformation area, the fixed area is fixed with the shell, and the deformation area is positioned in the upper liquid chamber and the lower liquid chamber; the elastic block is provided with a liquid storage cavity, a second through hole and a third through hole, and the first one-way valve and the second one-way valve are arranged on the elastic block; according to the feedback type hydraulic suspension, the rubber block deforms to drive the first adjusting rod or the second adjusting rod to move, so that the communication condition of the second communicating hole, the fourth communicating hole and the liquid storage cavity is adjusted, the deformation of the rubber block is determined according to the vibration frequency, and the rubber block is adaptive to different frequencies.
Description
Technical Field
The invention relates to the technical field of engine vibration reduction equipment, in particular to a feedback type hydraulic suspension.
Background
The hydraulic suspension of the automobile engine is an elastic connection system between an engine power assembly and a frame, and the design advantages and disadvantages of the damping performance of the system are directly related to the transmission of the engine vibration to an automobile body, so that the NVH performance of the whole automobile is influenced. The hydraulic mount is an important part of the automobile, and is mainly used for reducing the vibration transmitted to the automobile body by the engine, controlling the displacement of the engine, resisting the torque of the engine and reducing the impact transmitted to a power assembly from a tire on a concave road surface. Therefore, the hydraulic mount is required to have both excellent vibration isolation capability and excellent impact resistance capability.
The existing hydraulic suspension comprises a shell, a rubber main spring and a vibration isolation mechanism, wherein the rubber main spring and the vibration isolation mechanism are arranged in the shell, a through hole for communicating an upper liquid chamber with a lower liquid chamber is formed in the vibration isolation mechanism, and the through hole has a certain aperture, so that the hydraulic suspension can only have a good vibration damping effect in a certain frequency range. The granted publication number of CN 105387122B, the name of "semi-active hydraulic suspension" discloses a closed type hydraulic suspension device which is controlled, prevented and controlled by a motor and used under the condition that different frequencies are met, and the defects of the patent are as follows: the size of the hole is controlled through the motor, and the motor is arranged outside the shell, so that leakage of the liquid discharging chamber is easily caused.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a feedback type hydraulic suspension.
The invention provides a feedback type hydraulic suspension, which comprises a shell, a rubber main spring and a vibration isolation mechanism, wherein the rubber main spring and the shell form a sealed cavity, the vibration isolation mechanism is arranged in the sealed cavity and divides the sealed cavity into an upper liquid chamber and a lower liquid chamber, and the feedback type hydraulic suspension also comprises a first adjusting rod, a second adjusting rod, a first one-way valve and a second one-way valve, wherein:
the vibration isolation mechanism comprises an elastic block, the elastic block comprises a fixed area and a deformation area, the fixed area is fixed with the shell, and the deformation area is positioned in the upper liquid chamber and the lower liquid chamber;
the elastic block is provided with a liquid storage cavity, the first one-way valve is installed on the elastic block and enables liquid in the upper liquid chamber to flow to the liquid storage cavity in a one-way mode, and the second one-way valve is installed on the elastic block and enables liquid in the lower liquid chamber to flow to the liquid storage cavity in a one-way mode;
the elastic block is provided with a second communicating hole and a fourth communicating hole, the second communicating hole and the fourth communicating hole are positioned in the fixed area, the second communicating hole communicates the liquid storage cavity with the upper liquid chamber, and the fourth communicating hole communicates the liquid storage cavity with the lower liquid chamber;
one end of the first adjusting rod is installed on the deformation area of the elastic block, and the other end of the first adjusting rod extends to the second communicating hole and adjusts the second communicating hole to be opened and closed;
one end of the second adjusting rod is arranged in the deformation area of the elastic block, and the other end of the second adjusting rod extends to the fourth communicating hole and is used for adjusting the opening and closing of the fourth communicating hole.
As a further optimized scheme of the invention, the upper liquid chamber is conical, and the cross-sectional area of the upper liquid chamber is gradually reduced from top to bottom, so that the elastic block is conveniently extruded to deform, and the fourth communication hole is further conveniently opened.
As a further preferable mode of the present invention, the inner diameter of the liquid storage chamber is larger than the minimum inner diameter of the upper liquid chamber.
As a further optimized scheme of the invention, the lower liquid chamber is conical, and the cross-sectional area of the lower liquid chamber is gradually increased from top to bottom, so that the elastic block is conveniently extruded to deform, and the second communication hole is further conveniently opened.
As a further optimized proposal of the invention, the inner diameter of the liquid storage cavity is larger than the minimum inner diameter of the lower liquid chamber.
The scheme of the invention is further optimized, the elastic support comprises an elastic column, the elastic column is fixed on the elastic block and vertically penetrates through the elastic block, and the first adjusting rod and the second adjusting rod are respectively fixed on the elastic column.
As a further optimized scheme of the invention, the upper end surface of the elastic column is positioned in the upper liquid chamber, and the upper end surface is an upward convex cambered surface.
As a further optimized scheme of the invention, the lower end face of the elastic column is positioned in the lower liquid chamber, and the lower end face is a cambered surface protruding downwards.
As a further optimized scheme of the present invention, when the rubber main spring deforms in a direction approaching the upper liquid chamber, the second adjusting rod opens the fourth communicating hole, and the bottom of the second adjusting rod and the bottom of the elastic block form a lower adjustable liquid outlet, and when the rubber main spring deforms more, the elastic block deforms more, so that the lower adjustable liquid outlet is larger.
As a further optimized scheme of the present invention, when the rubber main spring deforms in a direction away from the upper liquid chamber, the first adjusting rod opens the second communicating hole, and an upper adjustable liquid outlet is formed at the top of the elastic block and the first adjusting rod.
The feedback type hydraulic suspension is simple in structure, the first adjusting rod or the second adjusting rod is driven to move through the deformation of the rubber block, the communication condition of the second communicating hole, the fourth communicating hole and the liquid storage cavity is adjusted, the deformation of the rubber block is determined according to the vibration frequency, and the rubber block is adaptive to different frequencies.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a partial enlarged view of a lower adjustable liquid outlet when a rubber main spring of the present invention elastically deforms toward and approaches an upper liquid chamber;
FIG. 4 is a partial enlarged view of the upper adjustable liquid storage port when the main rubber spring is elastically deformed away from the upper liquid chamber.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar designations denote like elements or elements having like or similar functionality throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
It will be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
A feedback type hydraulic suspension as shown in fig. 1-4, comprising a housing 1, a main rubber spring 2, a vibration isolation mechanism, a first adjusting rod 3, a second adjusting rod 4, a first check valve 5 and a second check valve 6;
the rubber main spring 2 and the shell 1 form a sealed cavity, and the vibration isolation mechanism is arranged in the sealed cavity and divides the sealed cavity into an upper liquid chamber 7 and a lower liquid chamber 8;
specifically, the housing 1 includes an upper housing 10 and a lower housing 11, the upper housing 10 is fixed on the lower housing 11, the rubber main spring 2 is fixed on the upper housing 10, and the rubber main spring 2, the lower housing 11 and the upper housing 10 form a sealed cavity;
the vibration damping mechanism comprises an elastic block 9, the elastic block 9 comprises an elastic block 9 comprising a fixing area and a deformation area, and the elastic block 9 is fixed between an upper shell 10 and a lower shell 11;
specifically, the bottom of the upper housing 10 is provided with an upper receiving groove 100, the top of the lower housing 11 is provided with a lower receiving groove 110, the upper receiving groove 100 and the lower receiving groove 110 form a fixed space, a part of the elastic block 9 contacting the upper receiving groove 100 and the lower receiving groove 110 is a fixed area, and parts of the elastic block 9 located in the upper liquid chamber 7 and the lower liquid chamber 8 are deformation areas;
in order to further increase the sealing performance, an upper sealing ring groove 101 is formed in the upper receiving groove 100 of the upper shell 10, a lower sealing ring groove 111 is formed in the lower receiving groove 110 of the lower shell 11, a first sealing ring and a second sealing ring are arranged on the elastic block 9, the first sealing ring is matched with the upper sealing ring groove 101, and the second sealing ring is matched with the lower sealing ring groove 111;
the middle part of the elastic block 9 is provided with a liquid storage cavity 90, the first check valve 5 is arranged on the elastic block 9 and enables the liquid in the upper liquid chamber 7 to flow to the liquid storage cavity 90 in a one-way mode, and the second check valve 6 is arranged on the elastic block 9 and enables the liquid in the lower liquid chamber 8 to flow to the liquid storage cavity 90 in a one-way mode;
specifically, the elastic block 9 is provided with a first through hole 91 and a third through hole 92, the first through hole 91 communicates the upper liquid chamber 7 with the liquid storage chamber 90, the third through hole 92 communicates the lower liquid chamber 8 with the liquid storage chamber 90, the first check valve 5 is installed in the first through hole 91, the second check valve 6 is installed in the third through hole 92, preferably, the first through hole 91 and the second through hole 93 are provided in the fixing area, and the upper shell 10 and the lower shell 11 are provided with a first communicating hole and a second communicating hole 93, the first communicating hole communicates the first through hole 91 with the upper liquid chamber 7, and the second communicating hole 93 communicates the third through hole 92 with the lower liquid chamber 8;
the elastic block 9 is provided with a second communication hole 93 and a fourth communication hole 94, the second communication hole 93 and the fourth communication hole 94 are positioned in a fixed area, the second communication hole 93 communicates the liquid storage cavity 90 with the upper liquid chamber 7, and the fourth communication hole 94 communicates the liquid storage cavity 90 with the lower liquid chamber 8;
one end of the first adjusting rod 3 is installed on the deformation area of the elastic block 9, the other end of the first adjusting rod 3 extends to the second communication hole 93 and adjusts the opening and closing of the second communication hole 93, the upper shell 10 is provided with a first sliding groove 102, the first sliding groove 102 communicates the second communication hole 93 with the upper liquid chamber 7, and the first adjusting rod 3 slides in the first sliding groove 102;
one end of the second adjusting rod 4 is installed in the deformation region of the elastic block 9, and the other end of the second adjusting rod 4 extends to the fourth communication hole 94 and is used for adjusting the opening and closing of the fourth communication hole 94, a second sliding groove 112 is formed in the lower housing 11, the fourth communication hole 94 is communicated with the lower liquid chamber 8 through the second sliding groove 112, and the second adjusting rod 4 slides in the second sliding groove 112;
preferably, the upper liquid chamber 7 is tapered and the cross-sectional area of the upper liquid chamber 7 becomes gradually smaller from top to bottom; and the inner diameter of the liquid storage cavity 90 is larger than the minimum inner diameter of the upper liquid chamber 7;
preferably, the lower liquid chamber 8 is conical, the cross-sectional area of the lower liquid chamber 8 becomes larger from top to bottom, and the inner diameter of the liquid storage cavity 90 is larger than the minimum inner diameter of the lower liquid chamber 8;
preferably, the adjusting device comprises an elastic column 12, the elastic column 12 is fixed on the elastic block 9 and vertically penetrates through the elastic block 9, and the first adjusting rod 3 and the second adjusting rod 4 are respectively fixed on the elastic column 12;
the upper end face of the elastic column 12 is positioned in the upper liquid chamber 7 and is an upward convex cambered surface, and the lower end face of the elastic column 12 is positioned in the lower liquid chamber 8 and is a downward convex cambered surface;
when the rubber main spring 2 deforms towards the direction close to the upper liquid chamber 7, the second adjusting rod 4 opens the fourth communicating hole 94, and a lower adjustable liquid outlet 13 is formed at the bottom of the second adjusting rod 4 and the elastic block 9;
when the main rubber spring 2 deforms in the direction away from the upper liquid chamber 7, the first adjusting rod 3 opens the second communicating hole 93, and an upper adjustable liquid outlet 14 is formed at the top of the first adjusting rod 3 and the elastic block 9.
In the working process of the embodiment: when the main rubber spring 2 is not deformed, the first adjusting rod 3 blocks the second communicating hole 93, and the second adjusting rod 4 blocks the fourth communicating hole 94;
if the main rubber spring 2 deforms in a direction close to the upper liquid chamber 7, the first check valve 5 is opened under the pressure change, liquid in the upper liquid chamber 7 flows into the liquid storage cavity 90, the elastic block 9 and the elastic column 12 deform and move in a direction close to the lower liquid chamber 8, the second adjusting rod 4 is driven to move in a direction away from the fourth communicating hole 94, the bottom of the second adjusting rod 4 and the bottom of the elastic block 9 form a lower adjustable liquid outlet 13, and the lower adjustable liquid outlet 13 is larger if the vibration frequency is larger, so that the lower adjustable liquid outlet 13 is larger and the lower adjustable liquid outlet is adaptive to different vibration frequencies.
If the main rubber spring 2 deforms in a direction away from the upper liquid chamber 7, under the change of pressure, the elastic block 9 and the elastic column 12 move in a direction away from the lower liquid chamber 8, so that the first street rod is driven to move in a direction away from the second communication hole 93, an upper adjustable liquid outlet 14 is formed at the top of the first adjusting rod 3 and the top of the elastic block 9, if the vibration frequency is higher, the upper adjustable liquid outlet 14 is larger, and the second check valve 6 is opened due to the change of pressure, so that liquid in the lower liquid chamber 8 flows into the liquid storage cavity 90, and the liquid storage cavity is adapted to different vibration frequencies.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a feedback formula hydraulic suspension, includes casing (1), rubber main spring (2) and vibration isolation mechanism, and rubber main spring (2) and casing (1) form sealed chamber, and vibration isolation mechanism installs in sealed chamber and separates sealed intracavity for last liquid chamber (7) and lower liquid chamber (8), its characterized in that still includes first regulation pole (3), second regulation pole (4), first check valve (5) and second check valve (6), wherein:
the vibration isolation mechanism comprises an elastic block (9), the elastic block (9) comprises a fixed area and a deformation area, the fixed area is fixed with the shell (1), and the deformation area is positioned in the upper liquid chamber (7) and the lower liquid chamber (8);
the elastic block (9) is provided with a liquid storage cavity (90), the first one-way valve (5) is installed on the elastic block (9) and enables liquid in the upper liquid chamber (7) to flow to the liquid storage cavity (90) in a one-way mode, and the second one-way valve (6) is installed on the elastic block (9) and enables liquid in the lower liquid chamber (8) to flow to the liquid storage cavity (90) in a one-way mode;
a second communication hole (93) and a fourth communication hole (94) are formed in the elastic block (9), the second communication hole (93) and the fourth communication hole (94) are located in the fixing area, the second communication hole (93) communicates the liquid storage cavity (90) with the upper liquid chamber (7), and the fourth communication hole (94) communicates the liquid storage cavity (90) with the lower liquid chamber (8);
one end of the first adjusting rod (3) is installed on a deformation area of the elastic block (9), and the other end of the first adjusting rod (3) extends to the second communicating hole (93) and adjusts the second communicating hole (93) to be opened and closed;
one end of the second adjusting rod (4) is installed in a deformation area of the elastic block (9), and the other end of the second adjusting rod (4) extends to the fourth communicating hole (94) and is used for adjusting the opening and closing of the fourth communicating hole (94).
2. The feedback hydraulic mount according to claim 1, wherein the upper liquid chamber (7) is tapered and the cross-sectional area of the upper liquid chamber (7) becomes gradually smaller from top to bottom.
3. The feedback hydraulic mount according to claim 2, characterized in that the inner diameter of the liquid storage chamber (90) is larger than the smallest inner diameter of the upper liquid chamber (7).
4. The feedback hydraulic mount according to claim 1, wherein the lower liquid chamber (8) is tapered, and the cross-sectional area of the lower liquid chamber (8) becomes gradually larger from top to bottom.
5. The feedback hydraulic mount of claim 4, wherein the internal diameter of the reservoir chamber (90) is greater than the smallest internal diameter of the lower fluid chamber (8).
6. The feedback hydraulic suspension according to any one of claims 1-5, comprising an elastic column (12), wherein the elastic column (12) is fixed on the elastic block (9) and vertically penetrates through the elastic block (9), and the first adjusting rod (3) and the second adjusting rod (4) are respectively fixed at two ends of the elastic column (12).
7. The feedback hydraulic mount according to claim 6, wherein the upper end surface of the elastic column (12) is located in the upper liquid chamber (7), and the upper end surface is an upwardly convex arc surface.
8. The feedback hydraulic mount according to claim 6, wherein the lower end surface of the elastic column (12) is located in the lower liquid chamber (8), and the lower end surface is a downwardly convex arc surface.
9. The feedback hydraulic mount according to claim 1, wherein when the main rubber spring (2) deforms in a direction approaching the upper liquid chamber (7), the second adjusting rod (4) opens the fourth communication hole (94), and the second adjusting rod (4) and the bottom of the elastic block (9) form a lower adjustable liquid outlet (13).
10. The feedback hydraulic mount according to claim 1, wherein the first adjusting rod (3) opens the second communication hole (93) when the main rubber spring (2) deforms away from the upper liquid chamber (7), and the first adjusting rod (3) and the top of the elastic block (9) form an upper adjustable liquid outlet (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211439936.5A CN115750660A (en) | 2022-11-17 | 2022-11-17 | Feedback type hydraulic suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211439936.5A CN115750660A (en) | 2022-11-17 | 2022-11-17 | Feedback type hydraulic suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115750660A true CN115750660A (en) | 2023-03-07 |
Family
ID=85372590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211439936.5A Pending CN115750660A (en) | 2022-11-17 | 2022-11-17 | Feedback type hydraulic suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115750660A (en) |
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2022
- 2022-11-17 CN CN202211439936.5A patent/CN115750660A/en active Pending
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