CN210116344U - Suspension, lower control arm thereof and vehicle - Google Patents

Abstract

The present disclosure relates to a suspension and a lower control arm thereof, and a vehicle, comprising a lower control arm body (1) and a reinforcing bracket (2), wherein the lower control arm body (1) comprises an upper plate (3) and a lower plate (4), the upper plate (3) and the lower plate (4) are butted and jointly define a cavity for accommodating the reinforcing bracket (2), and the reinforcing bracket (2) is installed in the cavity and supported between the upper plate (3) and the lower plate (4). The suspension lower control arm is simple in structure and high in safety. The concrete embodiment is as follows: the lower control arm body is formed into a plate-shaped structure by the upper plate and the lower plate, so that the strength is higher; the box body structure with a certain thickness is formed by butting the upper plate and the lower plate, and the strength of the box body structure is higher than that of an independent plane plate-shaped structure; and a reinforcing bracket is supported between the upper plate and the lower plate, so that the strength is also improved. In addition, the upper plate and the lower plate may be formed in a thin-walled case structure, which can reduce the weight of the lower control arm body.

Description

Suspension, lower control arm thereof and vehicle

Technical Field

The disclosure relates to the technical field of vehicles, in particular to a suspension, a lower control arm of the suspension and a vehicle.

Background

With the development of the automobile industry, higher requirements are also put on the stability and safety of automobiles. The lower control arm of the suspension in the prior art comprises a front swing arm and a rear swing arm, wherein the front swing arm and the rear swing arm are both formed into rod-shaped structures and are connected to form fork-shaped structures, the front swing arm and the rear swing arm of the structure need to bear impact force independently, the structural strength is low, deformation is easy to generate, the vehicle is out of control, and the safety performance is low.

SUMMERY OF THE UTILITY MODEL

The purpose of this disclosure is to provide a suspension and control arm, vehicle under this suspension, this suspension is control arm simple structure, intensity height under this.

In order to achieve the above object, the present disclosure provides a suspension lower control arm including a lower control arm body including an upper plate and a lower plate butted against each other and collectively defining a cavity for receiving the reinforcing bracket, and a reinforcing bracket installed in the cavity and supported between the upper plate and the lower plate.

Optionally, a first flange is formed on the periphery of the upper plate, a second flange is formed on the periphery of the lower plate, and the first flange and the second flange are in fit and lap joint to fix the upper plate and the lower plate.

Optionally, a first slot for engaging with the reinforcing bracket is formed in an inner sidewall of the upper plate, a second slot for engaging with the reinforcing bracket is formed in an inner sidewall of the lower plate, an upper side of the reinforcing bracket is embedded in the first slot, and a lower side of the reinforcing bracket is embedded in the second slot.

Optionally, the reinforcing bracket is respectively and fixedly connected to the first clamping groove and/or the second clamping groove, and a plurality of welding holes arranged at intervals are formed in the first clamping groove and/or the second clamping groove.

Optionally, at least one first hole is formed in the upper plate, a second hole corresponding to each first hole is formed in the lower plate, the suspension lower control arm further includes a plurality of connecting sleeves, and two ends of each connecting sleeve are connected to the first hole and the second hole respectively to form a through hole penetrating through the lower control arm body.

Optionally, the reinforcing bracket includes at least one cylindrical portion and/or at least one strip portion, the cylindrical portion is used for being sleeved on the outer side of the connecting sleeve, the strip portion is perpendicular to the inner side walls of the upper plate and the lower plate, and at least part of one end of the strip portion is fixed on the cylindrical portion, and the other end of the strip portion extends to the edge of the lower control arm body.

Optionally, the lower control arm body is a right trapezoid structure, and the right trapezoid structure includes a first side, a second side, a third side and a fourth side, the length of the first side is greater than the length of the third side, the first side is perpendicular to the third side, and two ends of the fourth side are connected with the first side and the second side respectively and form a hypotenuse.

Optionally, the control arm still includes preceding bushing pipe, back bushing pipe and bulb pressure equipment sleeve pipe under the suspension, bulb pressure equipment sleeve pipe is fixed in the junction of first side and fourth side, preceding bushing pipe is fixed in the junction of first side and second side, back bushing pipe is fixed in the junction of second side and third side, back bushing pipe with bulb pressure equipment sheathed tube axis is parallel to each other and perpendicular to the upper plate with the hypoplastron, preceding bushing pipe's axis perpendicular to back bushing pipe's axis.

The other aspect of the present disclosure further provides a suspension, which includes a knuckle and a steering engine, and the suspension further includes the suspension lower control arm as described above, one end of the suspension lower control arm is connected to an auxiliary frame, the other end of the suspension lower control arm is connected to the lower end of the knuckle, the knuckle is connected to the steering engine, and the steering engine is configured to drive the knuckle to rotate, so as to drive the suspension lower control arm to swing.

Yet another aspect of the present disclosure also provides a vehicle comprising a lower suspension control arm as described above or a suspension as described above.

Through above-mentioned technical scheme, this control arm under suspension simple structure that this disclosure provided, the security is high. The concrete embodiment is as follows: the lower control arm body composed of the upper plate and the lower plate is formed into a plate-shaped structure, and compared with the front swing arm and the rear swing arm which are fork-shaped in the related art, the plate-shaped structure in the present disclosure has greater strength; the box body structure with a certain thickness is formed by butting the upper plate and the lower plate, and the strength of the lower control arm of the suspension is higher than that of an independent plane plate-shaped structure; support between upper plate, hypoplastron through strengthening the support, further improved the intensity of control arm body down, the security is also higher. In addition, the upper plate and the lower plate may be formed in a thin-walled case structure, which can reduce the weight of the lower control arm body.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic structural view of a lower suspension control arm provided in an exemplary embodiment of the present disclosure;

FIG. 2 is an exploded view of a lower control arm of a suspension provided by an exemplary embodiment of the present disclosure;

FIG. 3 is a schematic structural view of an upper plate provided in an exemplary embodiment of the present disclosure;

fig. 4 is a schematic structural view of a lower plate provided in an exemplary embodiment of the present disclosure.

Description of the reference numerals

1 first side of lower control arm body 11

12 second side 13 third side

14 fourth side 2 reinforcing brace

21 cylindrical part 22 strip part

3 first turned-up edge of upper plate 31

32 first catch 33 first hole

4 second turned-up edge of lower plate 41

42 second clamping groove 43 welding hole

44 second bore 5 connecting sleeve

51 upper sleeve 52 lower sleeve

6 front bushing and 7 back bushing

8 bulb press-fitting sleeve

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and "inner" and "outer" indicate the inner and outer sides of the outline of the corresponding part or structure, and are only for convenience of describing the present disclosure, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present disclosure. Furthermore, terms such as "first," "second," and the like, are used herein to distinguish one element from another, and are not necessarily sequential or significant. In addition, in the description with reference to the drawings, the same reference numerals in different drawings denote the same elements.

Referring to fig. 1 to 4, the present disclosure provides a suspension lower control arm including a lower control arm body 1 and a reinforcing bracket 2, wherein the lower control arm body 1 includes an upper plate 3 and a lower plate 4, the upper plate 3 and the lower plate 4 are butted and together define a cavity for receiving the reinforcing bracket 2, and the reinforcing bracket 2 is installed in the cavity and supported between the upper plate 3 and the lower plate 4. In this way, the lower control arm body 1 composed of the upper plate 3 and the lower plate 4 is formed into a plate-like structure, and the suspension lower control arm strength of the plate-like structure in the embodiment of the present disclosure is greater than that of the front and rear swing arm structures in the related art, which are fork-shaped; moreover, the lower control arm of the suspension is formed into a box structure with a certain thickness through the butt joint of the upper plate 3 and the lower plate 4, and the strength of the lower control arm of the suspension is higher compared with that of the lower control arm of the suspension with a single plane plate-shaped structure; the strength of the lower control arm body 1 is further improved and the safety is higher by supporting the reinforcing bracket 2 between the upper plate 3 and the lower plate 4. Further, the upper plate 3 and the lower plate 4 may be formed in a thin-walled case structure, enabling the weight of the lower control arm body 1 to be reduced.

In one embodiment of the present disclosure, as shown in fig. 2 to 4, a first flange 31 is formed on the periphery of the upper plate 3, a second flange 41 is formed on the periphery of the lower plate 4, and the first flange 31 and the second flange 41 are in abutting joint to fix the upper plate 3 and the lower plate 4. Specifically, in order to form a cavity between the upper plate 3 and the lower plate 4, which can accommodate the reinforcing bracket 2, the first flange 31 and the second flange 41 have a certain width, so that the lower control arm body 1 has a sufficient thickness to satisfy the strength requirement after the edges of the first flange 31 and the second flange 41 are overlapped. Further, the first flange 31 and the second flange 41 can be fixed together by welding, gluing, or the like; of course, in other embodiments of the present disclosure, the first flange 31 and the second flange 41 may also be fixed together by a mechanical connection manner such as a snap connection, a mortise connection, etc., which is not limited by the present disclosure.

As shown in fig. 2 to 4, a first engaging groove 32 for engaging with the reinforcing bracket 2 is formed on the inner sidewall of the upper plate 3, a second engaging groove 42 for engaging with the reinforcing bracket 2 is also formed on the inner sidewall of the lower plate 4, the upper side of the reinforcing bracket 2 is embedded in the first engaging groove 32, and the lower side of the reinforcing bracket 2 is embedded in the second engaging groove 42, so as to prevent the reinforcing bracket 2 from swaying in the lower control arm body 1. In addition, in other alternative embodiments of the present disclosure, a plurality of limiting protrusions may be further formed on the inner sidewalls of the upper and lower plates 3 and 4 to limit the displacement of the reinforcing brace 2.

Further, the reinforcing bracket 2 may also be fixedly connected to the first engaging groove 32 and/or the second engaging groove 42, for example, by gluing, welding, riveting, etc. As an exemplary embodiment of the present disclosure, the reinforcing brackets 2 may be welded in the first and/or second clamping grooves 32 and 42, and thus, a plurality of welding holes 43 arranged at intervals may be formed in the first and/or second clamping grooves 32 and 42. After the side edge of the reinforcing bracket 2 is embedded in the first slot 32 or the second slot 42, the reinforcing bracket 2 and the upper plate 3 and/or the lower plate 4 can be welded together along the welding hole 43 of the first slot 32 and/or the second slot 42 from the outside of the lower control arm body 1, so that the reinforcing bracket 2 is more stable in the cavity of the lower control arm body 1. Wherein the solder apertures 43 may be formed in portions of the first card slot 32 and/or portions of the second card slot 42, and the disclosure is not limited thereto.

As an alternative exemplary embodiment, as shown in fig. 1 to 4, at least one first hole 33 is formed on the upper plate 3, and a second hole 44 corresponding to each first hole 33 is formed on the lower plate 4, where, in order to maintain the sealing property of the chamber between the upper plate 3 and the lower plate 4, the suspension lower control arm may further include a plurality of connection sleeves 5, and both ends of the connection sleeves 5 are respectively connected with the first holes 33 and the second holes 44 to form through holes penetrating the lower control arm body 1. The through holes reduce the weight of the upper plate 3 and the lower plate 4, and at least one of the through holes may have a diameter designed to allow an operator's arm and a conventional mounting and maintenance tool to pass through, so that the operator can mount, dismount, or maintain other parts (e.g., the sub-frame) through the through holes. In addition, in other embodiments of the present disclosure, the connection sleeve 5 may include an upper sleeve 51 and a lower sleeve 52, the upper sleeve 51 is fixed at the first hole 33 of the upper plate 3, the lower sleeve 52 is fixed at the second hole 44 of the lower plate 4, when the upper plate 3 and the lower plate 4 are butted, the upper sleeve 51 and the lower sleeve 52 are also butted, for example, the upper sleeve 51 may be sleeved on an outer sidewall of the lower sleeve 52, and thus, a through hole penetrating through the lower control arm body 1 may also be formed.

As an alternative exemplary embodiment, as shown in fig. 2, the reinforcing bracket 2 may include at least one cylindrical portion 21 and/or at least one strip portion 22, the cylindrical portion 21 is configured to be sleeved outside the connecting sleeve 5, the strip portion 22 is arranged perpendicular to the inner side walls of the upper plate 3 and the lower plate 4, and one end of at least a part of the strip portion 22 is fixed on the cylindrical portion 21, and the other end extends to the edge of the lower control arm body 1. The cylindrical portion 21 serves to reinforce the strength of the via hole of the lower control arm body 1, and the strip portions 22 may be supported in a staggered manner in the cavity between the upper plate 3 and the lower plate 4 to increase the strength of the upper plate 3 and the lower plate 4. In the present disclosure, the shape and arrangement of the reinforcing brackets 2 may be designed according to actual requirements, and the present disclosure is not limited thereto.

In order to match the suspension lower control arm with the mounting point on the vehicle suspension, as shown in fig. 1, the lower control arm body 1 may be formed in a right-angled trapezoidal structure including a first side 11, a second side 12, a third side 13, and a fourth side 14, the first side 11 being longer than the third side 13, the first side 11 and the third side 13 being perpendicular to the second side 12, and both ends of the fourth side 14 being connected to the first side 11 and the second side 12, respectively, and being formed as oblique sides. Like this, lower control arm body 1 can keep forming into platelike, still need not to change the mounting point that is used for installing lower control arm body 1 on the suspension, and the suitability is strong, and occupation space is little.

Further, as shown in fig. 1 and 2, the suspension lower control arm further includes a front bushing 6, a rear bushing 7, and a ball press-fitting bushing 8, the ball press-fitting bushing 8 is fixed at a joint of the first side 11 and the fourth side 14, the front bushing 6 is fixed at a joint of the first side 11 and the second side 12, the rear bushing 7 is fixed at a joint of the second side 12 and the third side 13, central axes of the rear bushing 7 and the ball press-fitting bushing 8 are parallel to each other and perpendicular to the upper plate 3 and the lower plate 4, and a central axis of the front bushing 6 is perpendicular to a central axis of the rear bushing 7. Wherein, a ball pin is arranged in the ball press-fitting sleeve 8 and is used for being rotationally connected with the suspension.

Another embodiment of this disclosure still provides a suspension, and this suspension includes knuckle, steering gear and foretell control arm under the suspension, and the one end of control arm is continuous with sub vehicle frame under this suspension, and the other end links to each other with the lower extreme of knuckle, and the knuckle links to each other with the steering gear, and the steering gear is used for driving the knuckle rotation to control arm swing under the drive suspension. Specifically, the ball press-fitting sleeve 8 of the lower control arm is connected to the knuckle via a ball pin, and the front bushing 6 and the rear bushing 7 may also be rotatably connected to the subframe via a connecting member such as a ball pin, so that the lower control arm can swing with respect to the subframe along with the knuckle.

Yet another embodiment of the present disclosure also provides a vehicle including a suspension as described above or the under-suspension control arm as described above.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. A suspension lower control arm, characterized in that it comprises a lower control arm body (1) and a reinforcing bracket (2), said lower control arm body (1) comprising an upper plate (3) and a lower plate (4), said upper plate (3) and said lower plate (4) being butted and defining together a cavity for housing said reinforcing bracket (2), said reinforcing bracket (2) being mounted in said cavity and supported between said upper plate (3) and said lower plate (4).

2. The suspension lower control arm according to claim 1, characterized in that the upper plate (3) is formed with a first flange (31) at its periphery, and the lower plate (4) is formed with a second flange (41) at its periphery, the first flange (31) and the second flange (41) being in abutting engagement to fix the upper plate (3) and the lower plate (4).

3. The suspension lower control arm according to claim 1, wherein a first locking groove (32) for engaging with the reinforcing bracket (2) is formed on an inner side wall of the upper plate (3), a second locking groove (42) for engaging with the reinforcing bracket (2) is formed on an inner side wall of the lower plate (4), an upper side edge of the reinforcing bracket (2) is embedded in the first locking groove (32), and a lower side edge of the reinforcing bracket (2) is embedded in the second locking groove (42).

4. The suspension lower control arm according to claim 3, characterized in that the reinforcing bracket (2) is fixedly connected with the first clamping groove (32) and/or the second clamping groove (42), respectively, and a plurality of welding holes (43) are formed in the first clamping groove (32) and/or the second clamping groove (42) and are arranged at intervals.

5. The suspension lower control arm according to claim 1, characterized in that the upper plate (3) is formed with at least one first hole (33), the lower plate (4) is formed with a second hole (44) corresponding to each of the first holes (33), and the suspension lower control arm further comprises a plurality of connection sleeves (5), both ends of the connection sleeves (5) are respectively connected with the first holes (33) and the second holes (44) to form through holes penetrating the lower control arm body (1).

6. The suspension lower control arm according to claim 5, characterized in that the reinforcing bracket (2) comprises at least one cylindrical portion (21) and/or at least one strip portion (22), the cylindrical portion (21) is used for being sleeved on the outer side of the connecting sleeve (5), the strip portion (22) is arranged perpendicular to the inner side walls of the upper plate (3) and the lower plate (4), one end of at least part of the strip portion (22) is fixed on the cylindrical portion (21), and the other end extends to the edge of the lower control arm body (1).

7. The suspension lower control arm according to claim 1, wherein the lower control arm body (1) is a right trapezoid structure, the right trapezoid structure comprises a first side (11), a second side (12), a third side (13) and a fourth side (14), the length of the first side (11) is greater than that of the third side (13), the first side (11) and the third side (13) are perpendicular to the second side (12), and two ends of the fourth side (14) are respectively connected with the first side (11) and the second side (12) and are formed as hypotenuses.

8. The suspension lower control arm according to any one of claims 1-7, characterized in that the suspension lower control arm further comprises a front bushing (6), a rear bushing (7) and a ball-head press-fitting bushing (8), the ball-head press-fitting bushing (8) is fixed at the joint of the first side (11) and the fourth side (14), the front bushing (6) is fixed at the joint of the first side (11) and the second side (12), the rear bushing (7) is fixed at the joint of the second side (12) and the third side (13), the central axes of the rear bushing (7) and the ball-head press-fitting bushing (8) are parallel to each other and perpendicular to the upper plate (3) and the lower plate (4), and the central axis of the front bushing (6) is perpendicular to the central axis of the rear bushing (7).

9. A suspension, comprising a steering knuckle and a steering gear, wherein the suspension further comprises a lower suspension control arm as claimed in any one of claims 1-8, one end of the lower suspension control arm is connected with a sub-frame, the other end of the lower suspension control arm is connected with the lower end of the steering knuckle, the steering knuckle is connected with the steering gear, and the steering gear is used for driving the steering knuckle to rotate so as to drive the lower suspension control arm to swing.

10. A vehicle comprising a lower suspension control arm according to any one of claims 1 to 8 or a suspension according to claim 9.

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