Hydraulic electric control stabilizing device

Abstract

The utility model discloses a hydraulic electric control stabilizing device, which is provided with a shell assembly, a hydraulic electric control device and a hydraulic electric control device, the hydraulic shell is mounted in the shell assembly in a sliding manner; the hydraulic shell is filled with hydraulic oil; the two sides of the hydraulic shell are connected with the inner wall of the shell assembly through the first spring and the second spring correspondingly. The piston is installed in the hydraulic shell in a sliding mode, and the periphery of the piston is connected with the hydraulic shell in a sealed mode; the electromagnetic valve is arranged on the piston, and the electromagnetic valve can connect or disconnect the cavities, on the two sides of the piston, of the hydraulic shell; the first end of the connecting rod is connected with the first end of the piston, and the second end of the connecting rod extends out of the first end of the hydraulic shell and can slide in the hydraulic shell; the second end of the connecting rod is connected with a suspension control arm or a wheel end. The intervention time of the lateral rigidity and the disconnection of the vertical rigidity are controlled through the opening and closing of the hydraulic system controlled by the switching valve. The vertical rigidity matching of the whole vehicle is facilitated, and the comfort of the whole vehicle is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile parts, especially relates to a hydraulic electric control stabilizing device. BACKGROUND

[0002] In the process of realizing the utility model, the utility model discloses that the prior art at least has the following problems:

[0003] The stabilizer bar of the suspension system provides elastic tension when the vehicle turns, and restrains the vehicle side inclination angle and side inclination speed, and the vertical vibration of the vehicle is controlled and adjusted by a special spring and shock absorber;The stabilizer bar commonly used in the present passenger car is a torsional spring structure, and when the tires jump in the same direction, no action is generated, and when the coaxial tires jump relatively, the stabilizer bar twists and generates force;In this way, even in the case that the vehicle does not incline, as long as the two coaxial wheels have relative jumping in the vertical direction, the stabilizer bar will intervene and generate a large vertical stiffness, which affects the vertical stiffness and the vertical stiffness adjustment cannot be decoupled, thereby affecting the vertical comfort of the whole vehicle.

[0004] CN215065840U-A kind of stabilizing device for strength test of power cabinet, discloses a kind of stabilizing device for strength test of power cabinet, including base, the bottom of base is fixedly installed with support column, the top of base is fixedly installed with installation frame, the inner top wall of installation frame is fixedly installed with hydraulic rod, the output end of hydraulic rod is fixedly installed with detection plate, the top of detection plate is fixedly installed with pressure sensor located the right side of hydraulic rod.The stabilizing device for strength test of power cabinet cannot solve the above technical problems either. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem to provide a kind of hydraulic electric control stabilizing device, the intervention time of lateral stiffness is controlled, and the disconnection of vertical stiffness is controlled by the opening and closing of hydraulic system controlled by switch valve, facilitate the vertical stiffness matching of whole vehicle, improve the comfort of whole vehicle.

[0006] In order to solve the above technical problems, the technical scheme adopted by the utility model is: a kind of hydraulic electric control stabilizing device, with:

[0007] Shell assembly, installed on the frame;

[0008] Hydraulic shell, slidingly installed in the shell assembly;The hydraulic shell is filled with hydraulic oil;

[0009] First spring and second spring, the two sides of the hydraulic shell are connected with the inner wall of shell assembly by first spring and second spring respectively;

[0010] Piston, slidingly installed in the hydraulic shell, the outer periphery of the piston is sealingly connected with the hydraulic shell;

[0011] An electromagnetic valve is arranged on the piston, and the electromagnetic valve can connect or disconnect the cavities of the hydraulic housings on both sides of the piston;

[0012] A connecting rod is connected to the first end of the piston, and the second end of the connecting rod extends out of the first end of the hydraulic housing and can slide in the hydraulic housing; the second end of the connecting rod is connected to the suspension control arm or the wheel end.

[0013] The connecting rod is sealedly connected to the hydraulic housing through a first oil seal.

[0014] A dust cover is further arranged on the second end of the hydraulic housing.

[0015] A step is arranged near the middle of the hydraulic housing, and the step is connected to the first spring and the second spring respectively on both sides.

[0016] A mounting bolt is further arranged on the shell assembly, and the shell assembly is mounted to the frame through the mounting bolt.

[0017] The electromagnetic valve is a normally open electromagnetic valve.

[0018] A mounting rod is arranged on the second end of the piston, and the mounting rod extends out of the second end of the hydraulic housing and can slide in the hydraulic housing; the mounting rod is sealedly connected to the hydraulic housing through a second oil seal.

[0019] A wire harness is arranged in the mounting rod, and the wire harness is connected to the electromagnetic valve.

[0020] The hydraulic electric control stabilizing device has the advantages that the torsion bar spring is adjusted to two springs, the intervention time of the lateral stiffness and the disconnection of the vertical stiffness are controlled through the opening and closing of the hydraulic system controlled by the switch valve according to the input of the whole vehicle signals, and the matching of the vertical stiffness of the whole vehicle is facilitated, and the comfort of the whole vehicle is improved.

[0021] The above technical solution has the advantages that the torsion bar spring is adjusted to two springs, the intervention time of the lateral stiffness and the disconnection of the vertical stiffness are controlled through the opening and closing of the hydraulic system controlled by the switch valve according to the input of the whole vehicle signals, and the matching of the vertical stiffness of the whole vehicle is facilitated, and the comfort of the whole vehicle is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 FIG. 1 is a structure schematic view of the hydraulic electric control stabilizing device provided in the embodiments of the present application;

[0023] Figure 2 FIG. 2 is a structure schematic view of the hydraulic electric control stabilizing device; and Figure 1 FIG. 3 is a structure schematic view of the hydraulic electric control stabilizing device.

[0024] Figure 3 For Figure 1 Structure diagram of hydraulic electric control stabilizing device

[0025] The marks in the above figure are as follows: 1, connecting rod, 2, spring seat, 3, first spring, 4, first oil seal, 5, piston, 51, electromagnetic valve, 6, hydraulic shell, 7, second oil seal, 8, dust cover, 9, second spring, 10, mounting bolt, 11, shell assembly, 12, wire harness. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Referring to Figures 1 to 3 A hydraulic electric control stabilizing device has a shell assembly 11 mounted on a vehicle frame, a hydraulic shell 6 slidingly mounted in the shell assembly 11, hydraulic oil filled in the hydraulic shell 6, first and second springs 3 and 9 respectively connecting the two sides of the hydraulic shell 6 with the inner wall of the shell assembly 11, a piston 5 slidingly mounted in the hydraulic shell 6, the outer periphery of the piston 5 being sealingly connected with the hydraulic shell 6, an electromagnetic valve 51 arranged on the piston 5 and capable of connecting or disconnecting the cavities of the hydraulic shell 6 on both sides of the piston 5, and a connecting rod 1 having a first end connected with a first end of the piston 5 and a second end extending out of a first end of the hydraulic shell 6 and being slidable in the hydraulic shell 6, the second end of the connecting rod 1 being connected with a suspension control arm or a wheel end. The torsion bar spring is adjusted to two springs, and the intervention time of the lateral stiffness and the disconnection of the vertical stiffness are controlled by the opening and closing of the hydraulic system controlled by the switch valve according to the input of the whole vehicle signals. The vertical stiffness matching of the whole vehicle is facilitated, and the comfort of the whole vehicle is improved.

[0028] The principle diagram is shown in Figure 3 In the unpowered state, the valve port of the normally open electromagnetic valve 51 of the hydraulic system is in the open state, and the oil can flow up and down through the normally open hole in the hydraulic system; the size of the normally open hole is reasonably set, and the volume of the upper and lower cavities changes uniformly in the up and down movement, so that the damping force of the connecting rod 1 in the unpowered state is very small, and the spring is in the disconnected state; in the powered state, the electromagnetic valve 51 drives the valve body to move, closes the hydraulic system, the oil passage is not open, and the spring and the upper and lower connection are in communication, and the movement provides stiffness.

[0029] The connecting rod 1 is sealedly connected with the hydraulic shell 6 through the first oil seal 4, and plays a sealing role.

[0030] The dust cover 8 is further arranged on the second end of the hydraulic shell 6, and plays a dustproof role.

[0031] The middle part of the hydraulic shell 6 is provided with a step, and the two sides of the step are connected with the first spring 3 and the second spring 9 respectively, the lateral stiffness is provided by the two springs, the lateral stiffness is the stiffness of the two springs, and therefore the outer shape size of the spring has a larger design space, the upper spring and the lower spring have a certain pre-pressing amount at the beginning, and it is ensured that the spring does not fall off at the limit stroke.

[0032] The mounting bolt 10 is further arranged on the shell assembly 11, the shell assembly 11 is mounted to the vehicle frame through the mounting bolt 10, and installation is facilitated.

[0033] The electromagnetic valve 51 is a normally open electromagnetic valve 51, the second end of the piston 5 is provided with a mounting rod, the mounting rod extends out of the second end of the hydraulic shell 6 and can slide in the hydraulic shell 6, and the mounting rod is sealedly connected with the hydraulic shell 6 through the second oil seal 7, and plays a sealing role.

[0034] The wire harness 12 is arranged in the mounting rod, and the wire harness 12 is connected with the electromagnetic valve 51, so that installation of the wire harness 12 is facilitated.

[0035] The hydraulic system upper and lower connecting rod 1 is in the hydraulic cavity in the full stroke range, so that the overall volume in the oil liquid shell cavity is kept unchanged during movement. The connecting rod 1 end is designed with a connecting rod connecting interface.

[0036] The oil seal belt guide assembly is provided with a sliding bearing, so as to ensure sealing during movement of the connecting rod 1, ensure reciprocating linear motion and reduce friction during movement.

[0037] The spring seat 2, the hydraulic shell 6 and the shell assembly 11 provide support and positioning for the spring, and a spring pad can be added between the spring and the spring seat 2, so as to buffer impact.

[0038] The piston 5 provides an oil passage during upward and downward movement, and the oil passage size and the electromagnetic valve 51 size need to be designed according to needs, so as to reduce upward and downward movement damping and friction; the electromagnetic valve 51 is always open, and the electromagnetic force drives the valve core to close the oil passage when power is turned on. The wire harness 12 provides a power transmission channel for the electromagnetic valve 51.

[0039] The dust cover 8 reduces dust erosion of the connecting rod 1, increases the service life, and the mounting bolt 10 is mounted on the vehicle body to provide connection.

[0040] The structure is relatively simple, the stiffness is adjusted through the spring, the vertical comfort is not affected as much as possible compared with the traditional stabilizer bar, real-time control is realized through the hydraulic switch valve combined with the whole vehicle signal, and the traditional stabilizer bar function can be realized when the hydraulic system fails.

[0041] The spring provides roll rigidity, and the electric control structure is simple in structure and low in cost; the middle electromagnetic valve 51 is a switch valve, and a proportional valve can also be used; the roll is controlled according to the required opening degree to provide required rigidity control; the original hard connection at the wheel end is cancelled, and is changed into control according to input signals, and is arranged to be greatly different from the traditional scheme.

[0042] The hydraulic electric control stabilizing device has one end connected to the vehicle body and the other end connected to the suspension control arm or the wheel end through the connecting rod; when the vehicle normally runs and the tire bounces up and down, the electromagnetic valve is not powered, and the vertical rigidity is only provided by the shock absorber system; when the steering angle and speed reach the set value, the controller sends a signal to close the electromagnetic valve, the hydraulic stabilizing device works, the first spring and the second spring work, and lateral support is provided to reduce the roll gradient and roll amplitude of the whole vehicle.

[0043] After the above scheme is used, the torsion bar spring is adjusted to two springs, the hydraulic system is opened and closed through the switch valve control according to the whole vehicle signal input, the intervention time of the lateral rigidity is controlled, and the vertical rigidity is disconnected.

[0044] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0045] In the utility model, unless otherwise expressly specified and limited, the terms "mounting", "setting", "connection", "fixing", "screw connection" and the like should be understood in a broad sense, for example, can be fixed connection, or can be detachable connection, or can be integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements, unless otherwise expressly limited, the specific meaning of the above terms in the utility model can be understood according to the specific situation by those skilled in the art.

[0046] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hydraulically controlled stabilizing device, characterized in that Having: A housing assembly mounted on a vehicle frame; A hydraulic housing slidably mounted in the housing assembly; the hydraulic housing is filled with hydraulic oil; A first spring and a second spring, the two sides of the hydraulic housing are connected with the inner wall of the housing assembly through the first spring and the second spring respectively; A piston slidably mounted in the hydraulic housing, the outer periphery of the piston is sealingly connected with the hydraulic housing; A solenoid valve arranged on the piston, and the solenoid valve can connect or disconnect the cavities of the hydraulic housing on both sides of the piston; A connecting rod, the first end of the connecting rod is connected with the first end of the piston, the second end of the connecting rod extends out of the first end of the hydraulic housing and can slide in the hydraulic housing; the second end of the connecting rod is connected with a suspension control arm or a wheel end.

2. The hydraulic electrically controlled stabilizer device according to claim 1, wherein The connecting rod is sealingly connected with the hydraulic housing through a first oil seal.

3. The hydraulic electrically controlled stabilizer device according to claim 2, wherein A dust cover is further arranged on the second end of the hydraulic housing.

4. The hydraulic electrically controlled stabilizer device according to claim 3, wherein A step is arranged near the middle of the hydraulic housing, the two sides of the step are connected with the first spring and the second spring respectively.

5. The hydraulic electrically controlled stabilizing device of claim 4, wherein A mounting bolt is further arranged on the housing assembly, the housing assembly is mounted on the vehicle frame through the mounting bolt.

6. The hydraulic electrically controlled stabilizing device of claim 5, wherein The solenoid valve is a normally open solenoid valve.

7. The hydraulic electrically controlled stabilizing device according to claim 6, wherein A mounting rod is arranged on the second end of the piston, the mounting rod extends out of the second end of the hydraulic housing and can slide in the hydraulic housing; the mounting rod is sealingly connected with the hydraulic housing through a second oil seal.

8. The hydraulic electrically controlled stabilizing device of claim 7, wherein, A wire harness is arranged in the mounting rod, the wire harness is connected with the solenoid valve.

Images