Rigidity-variable stabilizer bar assembly

Abstract

The utility model discloses a stabilizer bar assembly with variable rigidity, which belongs to the technical field of automotive suspensions and comprises a push-pull moving device, a right connecting rod and a left connecting rod, the push-pull moving device comprises a central shaft and a shell, the central shaft is nested in the shell, one end of the shell far away from the central shaft is connected with the right connecting rod, one end of the central shaft is connected with the left connecting rod, and the other end of the central shaft is connected with the right connecting rod. The other end of the left connecting rod is connected with a second suspension through a connecting piece, and the right connecting rod is connected with a first suspension through a connecting piece. The stabilizer bar can freely convert the rigid state or the flexible state according to the environment, the comfort of the vehicle is enhanced, meanwhile, the occupied space for installation is smaller, and the stabilizer bar is suitable for various vehicles.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile suspension, and in particular relates to a variable stiffness stabilizer bar assembly. Background Art

[0002] The stabilizer bar is an auxiliary elastic element in the car suspension. Its function is to balance the opposite bouncing of the left and right wheels of the car when the car is turning or driving on uneven roads, and to prevent the car body from tilting at too large an angle.

[0003] The existing Chinese patent publication number CN217969167U discloses a stabilizer bar with dynamically adjustable balance, including a right connecting rod, a left connecting rod and an intermediate connecting part. The right connecting rod and the left connecting rod are arranged on both sides of the intermediate connecting part. The end of the right connecting rod away from the intermediate connecting part is connected to the left suspension, and the end of the left connecting rod away from the intermediate connecting part is connected to the right suspension. The left connecting rod is connected to the telescopic device through a mounting frame. The telescopic device is arranged below the left connecting rod and parallel to the left connecting rod. The telescopic device is connected to one end of the connecting rod through a torsional connection mechanism, and the other end of the connecting rod is connected to the left suspension. The right connecting rod and the left connecting rod are adjusted to be in a rigid connection or a flexible connection through different states of the telescopic device. However, this stabilizer bar occupies a large space and is suitable for large vehicles, off-road vehicles, etc., but is not suitable for other vehicles.

[0004] In summary, the stabilizer bar in the prior art occupies a large space and is suitable for large vehicles, off-road vehicles, etc., but cannot be adapted to other vehicles and has insufficient adaptability. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a variable stiffness stabilizer bar assembly that can occupy a smaller space and is suitable for various vehicles.

[0006] The technical solution adopted by the utility model is a variable stiffness stabilizer bar assembly, including a push-pull movable device, a right connecting rod and a left connecting rod. The push-pull movable device includes a central axis and an outer shell. The central axis is nested in the outer shell. The end of the outer shell away from the central axis is connected to the right connecting rod, one end of the central axis is connected to the left connecting rod, the other end of the left connecting rod is connected to the second suspension through a connecting member, and the right connecting rod is connected to the first suspension through a connecting member.

[0007] The utility model is also characterized in that:

[0008] The central axis includes an axial body, and a shell is connected to one end of the axial body. The shell is divided into a left cavity and a right cavity. The axial body is embedded in the left cavity of the shell. The right cavity of the shell is provided with a telescopic device, and the telescopic device is connected to the axial body. The end of the axial body away from the shell is located inside the shell, and multiple card bodies are sequentially connected at equal intervals. The diameters and widths of the multiple card bodies are the same, and the shell is embedded in the shell.

[0009] The card body spacing is twice the card body width, and a groove is provided on the card body.

[0010] The telescopic device comprises an outer sleeve, an inner rod and a driving mechanism, and the inner rod is connected to the axis body.

[0011] A sleeve is sleeved on the outer side of the card body, and the width of the sleeve is the sum of the card body and the spacing width.

[0012] The sleeve body comprises an outer shell, a middle shell and a central shell. An inner convex groove is arranged at the center of the central shell, and the size of the inner convex groove is consistent with that of the groove.

[0013] The middle shell of the sleeve body is provided with a plurality of elastic bodies along the circumferential direction, and the outer shell of the sleeve body is connected with the outer shell through a key.

[0014] The beneficial effects of the utility model are:

[0015] (1) The utility model provides a variable stiffness stabilizer bar assembly, which enhances the stability of the vehicle in the process of driving on uneven roads and when turning by designing the cooperation between the push-pull moving device and the right connecting rod and the left connecting rod, and effectively reduces the risk of tilting and rolling of the vehicle body.

[0016] (2) The arrangement of multiple card bodies and sleeve bodies in the push-pull moving device of the variable stiffness stabilizer bar assembly of the present invention not only prevents the stabilizer bar from detaching and retains the moving space, but also enhances the impact resistance and durability.

[0017] (3) The utility model provides a variable stiffness stabilizer bar assembly that realizes the conversion of three modes through the design of the overall structure, thereby improving the comfort and safety of vehicle driving. That is, by arranging an elastomer in the middle shell of the sleeve in the push-pull movable device, when the elastomer is within the elastic critical value, the stabilizer bar is in a flexible state, thereby increasing the comfort of the vehicle; when the elastomer reaches the elastic critical value, the stabilizer bar will be in a rigid state, thereby greatly improving the roll control of the vehicle, maintaining the balance of the vehicle, and preventing roll; when the vehicle is in an off-road state, the push-pull movable device makes the stabilizer bar unstressed and in a state similar to when the stabilizer bar is disconnected, thereby enhancing the degree of freedom of the suspension, enabling the tires of the vehicle to be better adjusted on rough terrain, and providing better grip and passability.

[0018] (4) Due to the compact structure design, the utility model occupies less space when installed in the vehicle and has strong adaptability, and can be applied to various types of vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is an overall structural diagram of a variable stiffness stabilizer bar assembly of the utility model;

[0020] Figure 2 It is a cross-sectional view of the AA portion of the present invention;

[0021] Figure 3 This is a cross-sectional view of the first housing in the embodiment of the present utility model;

[0022] Figure 4 This is a cross-sectional view of the second housing in the embodiment of the present utility model;

[0023] Figure 5 It is a cross-sectional view of the third sleeve in the embodiment of the present utility model.

[0024] In the figure, 1. push-pull moving device, 101. axis body, 102. shell, 103. first card body, 104. second card body, 105. third card body, 106. first sleeve, 107. second sleeve, 108. third sleeve, 109. outer shell, 110. middle shell, 111. center shell, 112. inner convex groove, 113. elastic body, 114. key, 2. outer shell, 3. right connecting rod, 4. telescopic device, 401. outer sleeve, 402. inner rod, 5. connecting part, 6. first suspension, 7. left connecting rod, 8. second suspension, 9. center axis. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Example 1:

[0026] like Figure 1-5 As shown, the utility model discloses a variable stiffness stabilizer bar assembly, including a push-pull moving device 1, a right connecting rod 3 and a left connecting rod 7. The push-pull moving device 1 includes a central shaft 9 and an outer shell 2. The central shaft 9 is nested in the outer shell 2. The outer shell 2 is a cylindrical structure. One end of the outer shell 2 is open and provided with an inner groove. The central shaft 9 is embedded in the inner groove. The end of the outer shell 2 away from the central shaft 9 is connected to the right connecting rod 3, one end of the central shaft 9 is connected to the left connecting rod 7, and the other end of the left connecting rod 7 is connected to the second suspension 8 through the connecting member 5. The right connecting rod 3 is connected to the first suspension 6 through the connecting member 5.

[0027] The central axis 9 includes an axial body 101, and a shell 102 is connected to one end of the axial body 101. The shell 102 is divided into a left cavity and a right cavity. The axial body 101 is embedded in the left cavity of the shell 102, and the right cavity of the shell 102 is provided with a telescopic device 4. The telescopic device 4 is connected to the axial body 101. The end of the axial body 101 away from the shell 102 is located inside the shell 2, and a plurality of card bodies are sequentially sleeved at equal intervals. The number of card bodies is selected according to needs. The diameters and widths of the plurality of card bodies are the same, and the shell 102 is embedded in the shell 2.

[0028] The present invention uses three card bodies, namely the first card body 103, the second card body 104 and the third card body 105. The first card body 103, the second card body 104 and the third card body 105 are all provided with grooves, the grooves are the first working position, and the spacing can be divided into the second working position and the third working position.

[0029] The telescopic device 4 includes an outer sleeve 401, an inner rod 402 and a driving mechanism. The inner rod 402 is connected to the shaft body 101. The driving mechanism is designed according to needs and is preferably hydraulically driven.

[0030] The first, second and third card bodies 103, 104 and 105 are respectively sleeved with the first, second and third card bodies 106, 107 and 108. The width of the first, second and third card bodies 106, 107 and 108 is the sum of the width of the first card body 103 and the spacing.

[0031] The first housing 106 , the second housing 107 and the third housing 108 all include an outer shell 109 , a middle shell 110 and a central shell 111 . An inner convex groove 112 is provided at the center of the central shell 111 . The size of the inner convex groove 112 is consistent with that of the groove.

[0032] The middle shell 110 of the second sleeve 107 is provided with a plurality of elastic bodies 113 along the circumferential direction to reduce the damage caused by collision. The outer shells 109 of the second sleeve 107 and the third sleeve 108 are both connected to the outer shell 2 through a key 114.

[0033] The inner convex groove 112 of the first sleeve 106 is arranged at the groove of the first card body 103, that is, it is located at the first work station. The inner convex groove 112 of the second sleeve 107 is arranged at the distance between the first card body 103 and the second card body 104, and can be set at the second work station. The inner convex groove 112 of the third sleeve 108 is arranged at the distance between the second card body 104 and the third card body 105, and can be set at the third work station. The inner convex groove 112 of the second sleeve 107 and the inner convex groove 112 of the third sleeve 108 are located at different positions of the distance. Since the first sleeve 106, the second sleeve 107 and the third sleeve 108 are located at different work stations, the first card body 103, the second card body 104 and the third card body 105 have work station space to move and will not detach.

[0034] When the car is driving, the push-pull moving device 1, the right connecting rod 3, the left connecting rod 7, the second suspension 8 and the first suspension 6 cooperate with each other to maintain the stability of the vehicle.

[0035] When the stabilizer bar is in a flexible state, the stabilizer bar is not subjected to force or the torsion angle is small, and the elastic body 113 is within the elastic critical value. That is, when the vehicle is driving and turning on a smooth road or on a high-speed section or a relatively bumpy road section, the vehicle has a strong sense of comfort. The internal telescopic device 4 of the push-pull moving device 1 moves, driving the axis body 101 to move. Due to the presence of the elastic body 113, the comfort and operability of the vehicle are greatly enhanced.

[0036] When the stabilizer bar is in a rigid state, the torsion angle of the stabilizer bar is large, the elastic body 113 reaches the critical elasticity value, and the left connecting rod 7 and the right connecting rod 3 form a rod state. That is, when the vehicle is driving on a more intense road section, the vehicle's roll control is greatly improved, the vehicle is kept balanced, and the roll is prevented;

[0037] When the left connecting rod 7 and the right connecting rod 3 are adjusted without interfering with each other, the stabilizer bar is not subjected to force, so that the stabilizer bar is in a state similar to the disconnected stabilizer bar, that is, when the vehicle is on an off-road section, the telescopic device 4 drives the axle body 101 to move, and the work station where the axle body 101 is set provides a moving space, and the sleeve ensures that the axle body 101 will not be detached, thereby enhancing the freedom and comfort of the suspension, allowing the tires of the vehicle on rugged terrain to be better adjusted, providing better grip and passability.

[0038] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this application and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A variable stiffness stabilizer bar assembly, characterized in that: The invention comprises a push-pull movable device (1), a right connecting rod (3) and a left connecting rod (7), wherein the push-pull movable device (1) comprises a central shaft (9) and a shell (2), wherein the central shaft (9) is nested in the shell (2), and an end of the shell (2) away from the central shaft (9) is connected to the right connecting rod (3), one end of the central shaft (9) is connected to the left connecting rod (7), the other end of the left connecting rod (7) is connected to the second suspension (8) via a connecting member (5), and the right connecting rod (3) is connected to the first suspension (6) via the connecting member (5).

2. The variable stiffness stabilizer bar assembly according to claim 1, characterized in that: The central axis (9) includes an axial body (101), one end of the axial body (101) is connected to a shell (102), the shell (102) is divided into a left cavity and a right cavity, the axial body (101) is embedded in the left cavity of the shell (102), the right cavity of the shell (102) is provided with a telescopic device (4), the telescopic device (4) is connected to the axial body (101), the end of the axial body (101) away from the shell (102) is located inside the shell (2), and a plurality of card bodies are sequentially sleeved at equal intervals, the diameters and widths of the plurality of card bodies are the same, and the shell (102) is embedded in the shell (2).

3. The variable stiffness stabilizer bar assembly according to claim 2, characterized in that: The card body spacing is twice the card body width, and a groove is provided on the card body.

4. The variable stiffness stabilizer bar assembly according to claim 3, characterized in that: The telescopic device (4) comprises an outer sleeve (401), an inner rod (402) and a driving mechanism, wherein the inner rod (402) is connected to the axis body (101).

5. The variable stiffness stabilizer bar assembly according to claim 4, characterized in that: A sleeve is sleeved on the outer side of the card body, and the width of the sleeve is the sum of the card body and the spacing width.

6. The variable stiffness stabilizer bar assembly according to claim 5, characterized in that: The sleeve comprises an outer shell (109), a middle shell (110) and a central shell (111); an inner convex groove (112) is provided at the center of the central shell (111); the size of the inner convex groove (112) is consistent with the size of the groove.

7. The variable stiffness stabilizer bar assembly according to claim 6, characterized in that: The middle shell (110) of the sleeve is provided with a plurality of elastic bodies (113) along the circumferential direction, and the outer shell (109) of the sleeve is connected to the outer shell (2) via a key (114).

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