CN207902063U - Lower control arm and automobile - Google Patents

Abstract

A kind of lower control arm of the utility model offer and automobile, the lower control arm is located between the subframe and the hub bracket of brake of car body, including plate-like body, plate-like body includes upper plate and lower plate, upper plate is triangle, and three ends of upper plate are connected separately with the first lining pipe being connected for the upper mounting post with subframe, the second lining pipe being connected for the lower mounting post with subframe and the ball cup being connected for the installation bulb with wheel hub；The tail portion side for being axially facing car body of first lining pipe and ball cup, the head side for being axially facing car body of the second lining pipe；The edge of upper plate is connected with the edge of lower plate, and the end of lower plate is connect with the first lining pipe and ball cup respectively.Lower control arm and automobile provided by the utility model have higher bearing strength, can adapt to the use of two kinds of vehicles of heavy load and underload, for heavy load vehicle exploitation provide technology reserve, improve the general degree of the lower control arm.

Description

Lower control arm and automobile

Technical field

The utility model is related to automobile and automobile suspension system manufacturing technology field more particularly to a kind of lower control arms and vapour Vehicle.

Background technology

Automobile lower control arm is the important component in automotive suspension and stent system, conduct during tire moves up and down It is oriented to and force transfer element plays an important role.One of main load bearing component as automobile, can will act on wheel Various power are transferred to car body, while ensureing that wheel is moved by certain track.Lower control arm is respectively by flexural pivot or bushing vehicle Wheel and car body are resiliently connected together.

Current lower control arm includes mainly the types such as drag link, longitudinal tie, single control arm and forks arm (chevron).Its Middle drag link is applied in the multi-link lever suspension fork and steering of automobile more, and rubber bushing and the vehicle frame or car body of one end connect It connects, the rubber bushing of the other end is connect with wheel hub.Longitudinal tie is applied to towed suspension more, in two ends of longitudinal tie in Portion position is both provided with rubber bushing, and the rubber bushing at middle part is mounted on the force part in the middle part of car body, the rubber bushing of one end It is connect with car body, the rubber bushing of the other end is connect with wheel hub, and the rubber bushing at middle part is mounted on the lower end of damper, plays support With the effect of damping.Single control arm is chiefly used in multi-link lever suspension fork, and two single control arms are used cooperatively, can transmit from wheel Horizontal and vertical load.And forks arm is chiefly used in double cross arm independent suspension, the fork configuration of arm body mainly transmits transverse load. Above-mentioned lower control arm is mostly platy structure, is connected with lining pipe in the end of plate or middle part or ball cup is used for and car body Bushing connected with bulb.In order to increase the bearing strength of entire lower control arm, the thickness of plate lower control arm can be increased, and be The weight of the entire lower control arm of mitigation, and through-hole can be opened up in the middle part of plate lower control arm so that lower control arm have compared with Lighter weight while high strength and stiffness.

In the prior art, the lower control arm of platy structure complete transmit load and be oriented to work when, easily occur bending and Deformation causes the reduction of its bearing strength.However to improve the bearing strength and rigidity of lower control arm, the simple thickness that increases can be made The installation gap in car body can not be adapted at the lower control arm so that the lower control arm can not fully meet making for heavy load vehicle With.

Utility model content

Based on above-mentioned technical problem, a kind of lower control arm of the utility model offer and automobile, the lower control arm have relatively strong Bearing strength, can adapt to the use of two kinds of vehicles of heavy load and underload, to provide technology pre- for the exploitation of heavy load vehicle It stays, improves the general degree of the lower control arm.

A kind of lower control arm of the utility model offer and automobile, the wherein lower control arm, are located at the subframe and system of car body Between the hub bracket of dynamic device, including plate-like body, plate-like body includes upper plate and lower plate, and upper plate is triangle, and the three of upper plate A end is connected separately with the first lining pipe being connected for the upper mounting post with subframe, for the lower mounting post with subframe The second connected lining pipe and the ball cup being connected for the installation bulb with wheel hub；The axial court of first lining pipe and ball cup To the tail portion side of car body, the head side for being axially facing car body of the second lining pipe.

The edge of upper plate is connected with the edge of lower plate, and the end of lower plate is connect with the first lining pipe and ball cup respectively.

In above-mentioned lower control arm, optionally, the edge of upper plate is curved with first bent towards lower plate side Flanging, the edge of lower plate have the second bending edge bent towards upper plate side, the first bending edge and the connection of the second bending edge.

The plate face of upper plate, the plate face of lower plate, the first bending edge and the second bending edge enclose jointly set and upper plate and lower plate it Between form cavity.

In above-mentioned lower control arm, optionally, at least part plate face of plate-like body is towards or away from cavity side To bending, and strengthening portion is formed, the plate face height of the apparent height of strengthening portion or the rest part less than plate-like body.

In above-mentioned lower control arm, optionally, in the plate face of the close second lining pipe side of upper plate and/or lower plate Offer at least one through-hole.

In above-mentioned lower control arm, optionally, ball cup includes connecting rod and is caught in for the installation bulb of wheel hub One end of ball cup, connecting rod is connect with ball cup, and the other end of connecting rod is stretched into cavity and is all connected with upper plate and lower plate.

The outer rim that connecting rod stretches into one end of cavity is equipped with multiple protrusions, and lower plate is equipped with the groove being caught in for protrusion.

In above-mentioned lower control arm, optionally, it is multiple protrusion along connecting rod stretch into direction interval be arranged, it is raised with it is recessed Slot number amount is equal, and protrusion corresponds card with groove and sets.

In above-mentioned lower control arm, optionally, the end of upper plate and lower plate being connected with the first lining pipe is all provided with There are the first segmental arc being adapted with the outer rim shape of the first lining pipe, the first segmental arc to be connected with the outer rim of the first lining pipe.

First bending edge of upper plate is equipped with second segmental arc adaptable with the outer rim shape of the second lining pipe, the second segmental arc It is connected with the second lining pipe outer rim.

In above-mentioned lower control arm, optionally, the inner wall of the first bending edge is wrapped on the second bending edge outer wall.

Or, the inner wall of the second bending edge is wrapped on the outer wall of the first bending edge.

In above-mentioned lower control arm, optionally, the central shaft of the central axis of the first lining pipe and the second lining pipe Line is mutually perpendicular to.

The utility model also provides a kind of automobile, including above-mentioned lower control arm.

Lower control arm and automobile provided by the utility model, the lower control arm is by being arranged upper plate and lower plate, in underload In vehicle, it is only applicable in main body of the upper plate as lower control arm, and in heavy load vehicle, upper plate is connected under using by edge Main body of the plate as lower control arm so that the lower control arm can adapt to the use of two kinds of vehicles of heavy load and underload, attach most importance to The exploitation of load vehicle provides technology and reserves, and improves the general degree of the lower control arm.Added by being arranged in plate-like body Strong portion improves the bearing strength of the lower control arm, logical by being set close to the second lining pipe side card in upper plate and/or lower plate Hole makes the lower control arm mitigate own wt while meeting bearing strength, and the lower control arm is made more to adapt to the use of automobile, More stable guiding and load transmission performance are provided for wheel.By the way that protrusion is arranged in the connecting rod of ball cup, in lower plate Be attached thereto end set for the groove that is caught in of protrusion, convenient for being located by connecting for ball cup and upper plate and lower plate, improve under this The upper plate of control arm and the connection precision of lower plate.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is made simply to introduce, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, other drawings may also be obtained based on these drawings.

Fig. 1 is the structural schematic diagram of the upper plate side for the lower control arm that the utility model embodiment one provides；

Fig. 2 is the structural schematic diagram of the lower plate side for the lower control arm that the utility model embodiment one provides；

Fig. 3 is upper plate, the first lining pipe, the second lining pipe and the ball for the lower control arm that the utility model embodiment one provides The structural schematic diagram of headstock；

Fig. 4 is the structural schematic diagram of the upper plate for the lower control arm that the utility model embodiment one provides；

Fig. 5 is the structural schematic diagram of the lower plate for the lower control arm that the utility model embodiment one provides；

Fig. 6 is the structural schematic diagram of the ball cup for the lower control arm that the utility model embodiment one provides；

Fig. 7 is the structural schematic diagram of the installation bulb for the wheel hub that the utility model embodiment one provides.

Reference sign：

10- upper plates；

20- lower plates；

The first lining pipes of 30-；

The second lining pipes of 40-；

50- ball cups；

60- strengthening portions；

The first segmental arcs of 70-；

The second segmental arcs of 80-；

90- grooves；

100- installs bulb；

The first bending edges of 11-；

The second bending edges of 21-；

51- connecting rods；

52- ball cups；

511- protrusions.

Specific implementation mode

To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with the excellent of the utility model The attached drawing in embodiment is selected, the technical scheme in the embodiment of the utility model is further described in more detail.In the accompanying drawings, certainly Begin to indicate same or similar component or component with the same or similar functions to same or similar label eventually.It is described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Below with reference to the implementation of attached drawing description Example is exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.Based on this practicality Embodiment in novel, the every other reality that those of ordinary skill in the art are obtained without creative efforts Example is applied, shall fall within the protection scope of the present invention.The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

Embodiment one

Fig. 1 is the structural schematic diagram of the upper plate side for the lower control arm that the utility model embodiment one provides.Fig. 2 is this reality With the structural schematic diagram of the lower plate side of the lower control arm of the offer of new embodiment one.Fig. 3 is that the utility model embodiment one carries The structural schematic diagram of the upper plate of the lower control arm of confession, the first lining pipe, the second lining pipe and ball cup.Fig. 4 is the utility model The structural schematic diagram of the upper plate for the lower control arm that embodiment one provides.Fig. 5 is the lower control that the utility model embodiment one provides The structural schematic diagram of the lower plate of arm.Fig. 6 is the structural representation of the ball cup for the lower control arm that the utility model embodiment one provides Figure.Fig. 7 is the structural schematic diagram of the installation bulb for the wheel hub that the utility model embodiment one provides.

As shown in Figures 1 to 7, the embodiments of the present invention one provide a kind of lower control arm, which is located at vehicle Between the subframe of body and the hub bracket of brake.Lower control arm mainly in car body operational process, will act at wheel On motive power be transferred on car body, and during the up and down motion of wheel, guiding role is played to it, make wheel by It is moved according to preset track.Current lower control arm is mainly platy structure, and lining pipe and ball cup are connected on platy structure, Lining pipe with car body for connecting, and ball cup with wheel for connecting.The bearing strength of the platy structure is relatively low, is only applicable to light The use of load vehicle.To the lower control arm of heavy load vehicle, current processing method is to increase the thickness of lower control arm to carry Its own high intensity, however simple increase thickness can cause the lower control arm during the installation process, nothing when thickness is excessively high Method adapts to the installation gap in car body.And the excessive weight that will also result in lower control arm of thickness is larger, and then increases automobile Dead weight.

And lower control arm provided in this embodiment, including plate-like body, plate-like body include upper plate 10 and lower plate 20, upper plate 10 be triangle, and three ends of upper plate 10 are connected separately with the first lining pipe being connected for the upper mounting post with subframe 30, the second lining pipe 40 being connected for the lower mounting post with subframe and the ball being connected for the installation bulb 100 with wheel hub Headstock 50；The tail portion side for being axially facing car body of first lining pipe 30 and ball cup 50, the second lining pipe 40 are axially facing The head side of car body.

The edge of upper plate 10 is connected with the edge of lower plate 20, the end of lower plate 20 respectively with the first lining pipe 30 and ball cup 50 connections.Lower control arm provided in this embodiment, when applying in underload vehicle, which can be used only the upper plate 10, utilize three ends installation bulb with the upper mounting post of subframe, lower mounting post and wheel hub respectively of triangle upper plate 10 100 connections, realize connection and the guiding role to wheel and car body.When the lower control arm is applied in heavy load vehicle, The mode that upper plate 10 can be used to be connected with lower plate 20, wherein the concrete mode connected is：The edge of upper plate 10 and lower plate 20 Edge connects.In this way can in different automobile types selective 10 He of main body or upper plate using upper plate 10 as lower control arm Lower plate 20 coordinates the main body as lower control arm, improves the versatility of the lower control arm, is the lower control arm of heavy load vehicle It is reserved using the technology that provides.

It should be noted that in the prior art, upper plate 10 can also be connected with lower plate 20 by connector, the connector Can be between upper plate 10 and lower plate 20, the tie point of upper plate 10 and lower plate 20 and connector is located at upper plate 10 and lower plate 20 Position among plate face.However, since the stress point of the lower control arm is concentrated mainly on three ends of upper plate 10, active force is along end Portion is evenly distributed on its edge, therefore is connected using above-mentioned connector, can cause 20 stress intensity of the upper plate 10 and lower plate It reduces.And the connection type provided in this embodiment connected by edge, targetedly to upper plate 10 and lower plate 20 Edge force part is supported, and improves the support strength of upper plate 10 and lower plate 20.

Further, with reference to shown in attached drawing 2, upper plate 10 and lower plate 20 in the present embodiment are not identical shape, should Upper plate 10 is triangle, and three ends are connected separately with the first lining pipe 30, the second lining pipe 40 and ball cup 50, and lower plate 20 is only It is limited to connect with the first lining pipe 30 and ball cup 50, the benefit being arranged in this way is：In vehicle during starting and running, It is moved after causing the center of gravity of car body to occur due to " inertia ", i.e., center of gravity is shifted to the direction of hull back, and 30 He of the first lining pipe Ball cup 50 is disposed as towards hull back side, thus by upper plate 10 and lower plate 20 with the first lining pipe 30 and bulb Seat 50 connects, it is ensured that in vehicle launch and operational process, which has stronger support force.And the lower plate 20 With the second lining pipe 40 and be not connected with, there is rest between the two, the dead weight that can mitigate the lower control arm is set in this way, And save manufacturing cost.The lower plate 20 can only be distributed in the part between the first lining pipe 30 and ball cup 50, can also Extend to 40 direction of the second lining pipe, the vacant gap between lower plate 20 and the second lining pipe 40 can be according to actual needs It is adjusted, the present embodiment is to this and is not limited, and is also not limited to attached drawing example.

Wherein, the shape of the upper plate 10 in the present embodiment is triangle, which can be the triangular shaped of standard, Class triangle is can also be, i.e. edge between the first lining pipe 30, the second lining pipe 40 and ball cup 50 can be that straight line also may be used To be camber line.With reference to shown in attached drawing 1 and attached drawing 2, the edge between ball cup 50 and the second lining pipe 40 is arc line shaped, should Camber line can provide evacuation towards the middle bent of upper plate 10 and lower plate 20, in this way setting for the steering of tire in the process of running Space, preferably to adapt to the installation and use of automobile all parts.Actual in use, the first lining pipe 30 and ball cup Between 50, the edge between the first lining pipe 30 and the second lining pipe 40 can be arranged as required to as camber line, the present embodiment pair This is simultaneously not limited, the straight line example being also not limited in the present embodiment.

And in the present embodiment, the upper plate 10, lower plate 20, the first lining pipe 30, the second lining pipe 40 and ball cup 50 may each be metal material, therefore the edge of upper plate 10 is connect with the edge of lower plate 20, the end of upper plate 10 and lower plate 20 with First lining pipe 30 and ball cup 50 connect, and the end of upper plate 10 is also connect with the second lining pipe 40, and above-mentioned connection can be Welding.And in actual use, the connection type that can also select remaining detachable as needed, the present embodiment to this not It is limited.

It should be pointed out that the upper plate 10 described in the present embodiment and lower plate 20, wherein "up" and "down" are only opposite position Relationship is set, actual position relationship is not represented, in use, upper plate 10 can also be in the downside of lower plate 20, and lower plate 20 can also be not limited to above-mentioned example in the upside of upper plate 10, the position relationship of the two in actual use.

It should be noted that providing a kind of specific size of feasible lower control arm all parts, upper plate in the present embodiment 10 thickness can be 3.5 millimeters, and the thickness of lower plate 20 can be 1.5 millimeters, and the vertical range between the two plate face can be 0.5 millimeter.The distance between first lining pipe 30 and the second lining pipe 40 can be 295 millimeters, the first lining pipe 30 and bulb The distance between seat 50 can be 320 millimeters, and the distance between the second lining pipe 40 and ball cup 50 can be 350 millimeters. In actual use, above-mentioned numerical value can be adjusted according to the needs, this implementation is to this and is not limited, and be also not limited to above-mentioned show Example.

Specifically, the present embodiment provides a kind of examples of feasible upper plate 10 and 20 connection type of lower plate.Wherein, upper plate 10 Edge there is the first bending edge 11 for bend towards 20 side of lower plate, the edge of lower plate 20 is with towards 10 side of upper plate Second bending edge 21 of bending, the first bending edge 11 and the connection of the second bending edge 21.With reference to shown in attached drawing 1 to attached drawing 4, this implementation All edges of upper plate 10 in example form first bending edge 11 after bending, correspondingly, all edges of lower plate 20 Position forms second bending edge 21 after bending, and in actual use, it may be set to be the portion of upper plate 10 and lower plate 20 The bending of point edge, to be respectively formed the first bending edge 11 and the second bending edge 21, wherein bending part and non-bending part can be with Spaced setting, so that the power for acting on marginal portion is evenly distributed on the first bending edge 11 and the second bending edge 21.Make Active force used in 10 3 ends of upper plate disperses along edge, and the effect is carried using the first bending edge 11 and the second bending edge 21 Power, compared with the prior art in platy structure lower control arm main body, the upper plate 10 and lower plate 20 of the present embodiment are used as lower control The main body of arm processed, the support strength higher of lower control arm, therefore can it is appropriate reduce lower control arm thickness, to adapt to car body Interior installation gap.

Further, the first bending edge 11 and the second bending edge 21 based on above-mentioned setting, in lower control arm, upper plate 10 Plate face, the plate face of lower plate 20, the first bending edge 11 and the second bending edge 21 can enclose and set jointly, and in upper plate 10 and lower plate 20 Between form cavity.Lower control arm with cavity compared to platy structure lower control arm, while meeting support strength, Own wt is lighter.

Further, at least part plate face of plate-like body is bent towards or away from cavity direction, and forms strengthening portion 60, the surface of strengthening portion 60 is higher or lower than the plate face height of the rest part of plate-like body.With reference to shown in attached drawing 3 and attached drawing 4, The strengthening portion 60 is arranged in the plate face of upper plate 10 in the present embodiment, actual in use, the strengthening portion 60 equally can be with It is arranged in the plate face of lower plate 20.It should be noted that in the present embodiment, strengthening portion 60 is set as having with upper plate 10 identical It is triangular shaped, and in actual design, strengthening portion 60 may be arranged as circle, strip or other irregular shapes, The present embodiment is to the shape of strengthening portion 60 and is not limited, and is also not limited to above-mentioned example.

It should be noted that since the plate face height at strengthening portion 60 is higher or lower than the height of remaining plate face, phase Than in flat upper plate 10 and lower plate 20, the present embodiment upper plate 10 and lower plate 20 be more difficult in the mechanical structure of strengthening portion 60 It is bent, therefore its anti-extrusion ability is stronger.

Further to mitigate close second lining pipe, 40 side of the dead weight of the lower control arm, upper plate 10 and/or lower plate 20 Plate face on offer at least one through-hole.It should be noted that the position of through-hole is arranged on upper plate 10 and/or lower plate 20 is Close to 40 side of the second lining pipe, the benefit being arranged in this way is：Automobile during starting and running, after occurring move, i.e., by center of gravity Center of gravity is deviated to far from 40 side of the second lining pipe, and through-hole is being arranged close to 40 side of the second lining pipe, can not mitigate branch While supportting intensity, the dead weight of the lower control arm is reduced.Wherein, the shape of through-hole can be round, rectangular or other are irregular Shape, the present embodiment is to the concrete shape of the through-hole and is not limited, and is also not limited to above-mentioned example.

Specifically, with reference to shown in attached drawing 3, ball cup 50 includes connecting rod 51 and is caught in for the installation bulb 100 of wheel hub One end of ball cup 52, connecting rod 51 is connect with ball cup 52, the other end of connecting rod 51 stretch into cavity and with upper plate 10 and Lower plate 20 is all connected with.The outer rim that connecting rod 51 stretches into one end of cavity is equipped with multiple raised 511, and lower plate 20 is equipped with for protrusion 511 grooves 90 being caught in.Multiple raised 511 stretch into direction interval along connecting rod 51 is arranged, protrusion 511 and 90 quantity phase of groove Deng, and protrusion 511 corresponds card with groove 90 and sets.It should be noted that ball cup 50 by connecting rod 51 and upper plate 10 and Lower plate 20 connects, and the groove 90 of the wherein protrusion 511 in connecting rod 51 and lower plate 20 matches, played to the installation of connecting rod 51 Positioning action also improves the connection precision of upper plate 10 and lower plate 20.With reference to shown in attached drawing 2, attached drawing 4 and attached drawing 5, the present embodiment In protrusion 511 be strip, the direction of stretching into for extending perpendicularly to connecting rod 51 of the protrusion 511 of the strip, in this way The length that inside cavity can be stretched into avoid connecting rod 51 is excessive or too small, is accurately positioned connecting rod 51 and upper plate 10 and lower plate 20 Installation site.It should be pointed out that protrusion 511 can also be that dotted or taper is raised, shape of the present embodiment to protrusion 511 And be not limited, it is also not limited to above-mentioned example.

Specifically, the end that upper plate 10 and lower plate 20 are connected with the first lining pipe 30 is equipped with and the first lining pipe 30 The first adaptable segmental arc 70 of outer rim shape, the first segmental arc 70 are connected with the outer rim of the first lining pipe 30.The first of upper plate 10 Bending edge 11 is equipped with second segmental arc 80 adaptable with the outer rim shape of the second lining pipe 40, the second segmental arc 80 and the second bushing 40 outer rim of pipe is connected.It should be noted that the connection of upper plate 10 and lower plate 20 and the first lining pipe 30 is by the first segmental arc 70 are connected to and complete in the outer rim of the first lining pipe 30.The outer rim phase of the arc shape of first segmental arc 70 and the first lining pipe 30 It adapts to, improves upper plate 10 and lower plate 20 and the first lining pipe 30 is completely embedded degree and connective stability.Upper plate 10 and second The connection of lining pipe 40 is to be connected in the outer rim of the second lining pipe 40 to complete by the second segmental arc 80.With 70 phase of the first segmental arc Seemingly, the outer rim of the arc shape of the second segmental arc 80 and the second lining pipe 40 is adapted, and equally improves upper plate 10 and the second bushing Pipe 40 is completely embedded degree and connective stability.

Wherein, the first segmental arc 70 is to be opened in the edge of upper plate 10 and lower plate 20, and the second segmental arc 80 is to be opened in On one bending edge 11, the reason of setting in this way, is：For the structure of the upper mounting post and lower mounting post of the current car body subframe of adaptation. Since the central axis of most upper mounting post and lower mounting post is vertical relation, the second segmental arc 80 needs to be arranged the On one bending edge 11.Further, in this embodiment the first lining pipe 30 and the second lining pipe 40 are to adapt to above-mentioned setting, the The central axis of one lining pipe 30 and the central axis of the second lining pipe 40 are mutually perpendicular to.It should be pointed out that herein vertical Relationship can also can be adjusted as needed, and be not for vertical relation for the central axis of mounting post in minority and lower mounting post Subframe, first lining pipe 30 and the second lining pipe 40 can be adjusted according to its position relationship, the present embodiment to this not It is limited.

Specifically, to improve the connective stability of the first bending edge 11 and the second bending edge 21, the two can pass through bending edge Side wall connection, for example, the inner wall of the first bending edge 11 is wrapped on 21 outer wall of the second bending edge.Or, the second bending edge 21 Inner wall is wrapped on the outer wall of the first bending edge 11.It is connected with the side wall of the second bending edge 21 by the first bending edge 11, may be used also To improve the connection accuracy of the two.During the connection process, it is pre-positioned using the bending radian of bending edge, also allows for upper plate 10 and lower plate 20 connection.

Lower control arm provided by the utility model is used only by the way that upper plate 10 and lower plate 20 is arranged in underload vehicle Main body of the upper plate 10 as lower control arm, and in heavy load vehicle, it is total by using the upper plate 10 and lower plate 20 of edge connection With the main body as lower control arm so that the lower control arm can adapt to the use of two kinds of vehicles of heavy load and underload, attach most importance to The exploitation of load vehicle provides technology and reserves, and improves the general degree of the lower control arm.Reinforced by being arranged on upper plate 10 Portion 60 improves the bearing strength of the lower control arm, by being opened close to 40 side of the second lining pipe in upper plate 10 and/or lower plate 20 If through-hole, the lower control arm is made to mitigate own wt while meeting bearing strength, more stable guiding is provided for wheel With load transmission performance.By in the connecting rod 51 of ball cup 50 be arranged protrusion 511, lower plate 20 end set for protrusion 511 grooves 90 being caught in improve the upper plate 10 of the lower control arm convenient for being located by connecting for ball cup 52 and upper plate 10 and lower plate 20 With the connection precision of lower plate 20.

Embodiment two

The embodiments of the present invention two also provide a kind of automobile, including above-mentioned lower control arm.

It should be noted that automobile provided in this embodiment, includes the lower control arm provided in embodiment one, the lower control Arm processed is mounted between car body subframe and brake hub bracket, is played the role of guiding to tire and is transmitted load.Specifically , the upper mounting post of car body subframe and the first lining pipe 30 of lower control arm connect, and the lower mounting post of car body subframe is under Second lining pipe 40 of control arm connects, and the installation bulb 100 of wheel hub and the ball cup 52 of the ball cup 50 of lower control arm connect It connects.When driving, shape of the tire based on the lower control arm is limited, and installs bulb 100 and have relative to ball cup 52 There is certain rotational angle, guiding role is played to the up and down motion of tire, and transmits load to car body subframe.

Other technical characteristics are identical as embodiment one and embodiment two, and can reach identical technique effect, herein no longer It repeats one by one.

The automobile that the utility model embodiment two provides, which includes the lower control arm in embodiment one, the lower control Arm is by being arranged upper plate 10 and lower plate 20, and in underload vehicle, main body of the upper plate 10 as lower control arm is used only, and in weight In load vehicle, the main body that lower control arm is used as by edge connection upper plate 10 and lower plate 20 is used so that the lower control arm energy Enough adapt to two kinds of vehicles of heavy load and underload use, for heavy load vehicle exploitation provide technology reserve, improve under this The general degree of control arm.By the way that strengthening portion 60 is arranged in plate-like body, the bearing strength of the lower control arm is improved, is passed through Through-hole is opened up close to 40 side of the second lining pipe in upper plate 10 and/or lower plate 20, the lower control arm is made to meet bearing strength Mitigate own wt simultaneously, more stable guiding and load transmission performance are provided for wheel.Pass through the connection in ball cup 50 Protrusion 511 is set on bar 51, in the groove 90 that the end set of lower plate 20 is caught in for protrusion 511, is convenient for ball cup 52 and upper plate 10 and lower plate 20 be located by connecting, improve the connection precision of the upper plate 10 and lower plate 20 of the lower control arm.

In the description of the present embodiment, it is to be understood that term "center", " longitudinal direction ", " transverse direction ", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown is merely for convenience of description the present embodiment and simplifies to describe, not indicate or imply the indicated Device or component must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the present embodiment The limitation of protection domain.

Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole Technical characteristic carries out equivalent replacement；And these modifications or replacements, this practicality that it does not separate the essence of the corresponding technical solution are new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of lower control arm is located between the subframe and the hub bracket of brake of car body, which is characterized in that including plate Ontology, the plate-like body include upper plate and lower plate, and the upper plate is triangle, and three ends of the upper plate are connected separately with The first lining pipe for being connected for the upper mounting post with the subframe, to be connected for the lower mounting post with the subframe Two lining pipes and the ball cup being connected for the installation bulb with the wheel hub；The axis of first lining pipe and the ball cup To the tail portion side towards the car body, the head side for being axially facing the car body of second lining pipe；

The edge of the upper plate is connected with the edge of the lower plate, the end of the lower plate respectively with first lining pipe and institute State ball cup connection.

2. lower control arm according to claim 1, which is characterized in that the edge of the upper plate has towards the lower plate First bending edge of bending, the edge of the lower plate have the second bending edge bent towards the upper plate, and described first is curved Flanging is connected with second bending edge；

The plate face of the upper plate, the plate face of the lower plate, first bending edge and second bending edge are jointly on described Cavity is formed between plate and the lower plate.

3. lower control arm according to claim 2, which is characterized in that at least part plate face direction of the plate-like body Or bent far from the cavity direction, and strengthening portion is formed, the apparent height of the strengthening portion is higher or lower than the plate sheet The plate face height of the rest part of body.

4. lower control arm according to claim 2, which is characterized in that the upper plate and/or the lower plate close to described At least one through-hole is offered in the plate face of second lining pipe side.

5. according to claim 2-4 any one of them lower control arms, which is characterized in that the ball cup includes connecting rod and confession The ball cup that the installation bulb of the wheel hub is caught in, one end of the connecting rod are connect with the ball cup, the connecting rod The other end is stretched into the cavity and is all connected with the upper plate and the lower plate；

The outer rim that the connecting rod stretches into one end of the cavity is equipped with multiple protrusions, and the lower plate, which is equipped with, supplies the protrusion The groove being caught in.

6. lower control arm according to claim 5, which is characterized in that multiple protrusions stretch into direction along the connecting rod Interval setting, the protrusion is equal with the number of recesses, and the protrusion corresponds card with the groove and sets.

7. according to claim 2-4 any one of them lower control arms, which is characterized in that the upper plate and the lower plate with institute It states the end that the first lining pipe is connected and is equipped with the first segmental arc being adapted with the outer rim shape of first lining pipe, it is described First segmental arc is connected with the outer rim of first lining pipe；

First bending edge of the upper plate is equipped with second segmental arc adaptable with the outer rim shape of second lining pipe, described Second segmental arc is connected with the second lining pipe outer rim.

8. according to claim 2-4 any one of them lower control arms, which is characterized in that the inner wall of first bending edge wraps up On the second bending edge outer wall；

Or, the inner wall of second bending edge is wrapped on the outer wall of first bending edge.

9. lower control arm according to claim 3, which is characterized in that the central axis of first lining pipe and described the The central axis of two lining pipes is mutually perpendicular to.

10. a kind of automobile, which is characterized in that including such as claim 1-9 any one of them lower control arm.