CN109649100B

CN109649100B - Suspension swing arm for automobile front transmission

Info

Publication number: CN109649100B
Application number: CN201811587469.4A
Authority: CN
Inventors: 费昊杰; 来文信; 李焕东; 傅红城; 陈森江; 孟琪
Original assignee: Shaoxing Jinjiang Machinery Co ltd
Current assignee: Shaoxing Jinjiang Machinery Co ltd
Priority date: 2018-12-25
Filing date: 2018-12-25
Publication date: 2022-03-25
Anticipated expiration: 2038-12-25
Also published as: CN109649100A

Abstract

The invention relates to the technical field of automobile accessory equipment, and discloses a suspension swing arm for automobile front force transmission, which comprises a swing arm body, wherein one end of the swing arm body is provided with a middle bushing, a ball pin seat is arranged on an extending section of the middle bushing, the ball pin seat is movably provided with a ball pin body inside, the other two ends of the swing arm body are respectively provided with a bushing hole and an assembling shaft, the inside of the bushing hole is movably sleeved with a front bushing, the outside of the assembling shaft is movably sleeved with a rear bushing, the front side and the back side of the swing arm body are respectively provided with an inwards concave groove, a reinforcing rib I is arranged inside the groove, and the side surface of the outside of the swing arm is respectively provided with a fixing groove. This suspension swing arm for power transmission before car falls into the triangle-shaped that the shape is different with the recess through II with the surface of swing arm body of strengthening rib, utilizes triangle-shaped's stability, has increased the bearing capacity of swing arm body, has reduced the stress level, has prolonged the life of swing arm body.

Description

Suspension swing arm for automobile front transmission

Technical Field

The invention relates to the technical field of automobile accessory equipment, in particular to a suspension swing arm for automobile front power transmission.

Background

The lower swing arms are arranged in various suspension structures of a double-cross arm type suspension, a Macpherson type suspension and the like of an automobile, play a role in guiding and supporting, bear and transmit forces in various directions, influence positioning parameters such as toe-in and camber and the like, and control the motion track of wheels.

The body to current swing arm is solid mostly, make the weight of swing arm body increase, the waste of resource has been caused, and because the thickness of current swing arm is thicker and weight is heavier, the rigidity of swing arm, intensity is too big, make the swing arm easily break off, and can not cushion the impact that the car received well in going, the stationarity and the security in having reduced the car and traveling, and if set the swing arm into hollow structure completely, then can make its rigidity weaken, life has been reduced.

Disclosure of Invention

The invention provides a suspension swing arm for automobile front force transmission, which has the advantages of light weight, high stability and long service life, and solves the problems that the existing swing arm is mostly solid, so that the weight of the swing arm body is increased, and the resource waste is caused, and the swing arm is easy to break due to the thicker thickness, heavier weight and overlarge rigidity and strength of the swing arm, the impact on the automobile in the driving process cannot be well buffered, the stability and safety of the automobile in the driving process are reduced, and if the swing arm is completely arranged into a hollow structure, the rigidity of the swing arm is weakened, and the service life is shortened.

The invention provides the following technical scheme: the utility model provides a power suspension swing arm before car, includes the swing arm body, the one end of swing arm body is equipped with middle bush, the ball key seat has been seted up on the outside extension section that extends of middle bush, the inside movable mounting of ball key seat has the ball key body, the other both ends of swing arm body are equipped with bush hole and assembly axle respectively, the preceding bush has been cup jointed in the inside activity of bush hole, the outside activity of assembly axle has cup jointed the back bush, the front and the back of swing arm body are equipped with inside sunken recess respectively, the inside of recess is equipped with strengthening rib I, the fixed slot has been seted up respectively to the outside side of swing arm body, the inside strengthening rib II that is equipped with of fixed slot.

Preferably, the thickness value of the middle part of the swing arm body is equal to that of the groove, and the thickness value of the middle part of the swing arm body is one third of that of the outer wall of the swing arm body.

Preferably, the interior of the groove forms a triangle with different shapes through the reinforcing rib I.

Preferably, the reinforcing rib I is clamped end to end, and the distance value of the reinforcing rib I between the front surface and the back surface of the swing arm body is larger than 5 mm.

Preferably, the three reinforcing ribs II and the swing arm body are integrated through forging.

Preferably, the number of the fixing grooves is three, and the depth value of each fixing groove is equal to the thickness value of the corresponding reinforcing rib II.

Preferably, the intermediate bushing is assembled on the swing arm body for connecting the spring damper.

The invention has the following beneficial effects:

1. this suspension swing arm for power transmission before car falls into the triangle-shaped that the shape is different with the recess through II with the surface of swing arm body of strengthening rib, utilizes triangle-shaped's stability, has increased the bearing capacity of swing arm body, has reduced the stress level, has prolonged the life of swing arm body.

2. This power is with suspension swing arm before car, through forging swing arm body and strengthening rib II one-piece, avoided because of the thickness of swing arm body is too thick, the weight gain that leads to the swing arm body influences its performance, practiced thrift the cost.

3. This suspension swing arm for power transmission before car through the mutual joint between the strengthening rib I for forged more firm between the strengthening rib I, make the bearing capacity reinforcing of swing arm body, showing and improving structural rigidity, prolonged life.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the swing arm body of the present invention;

fig. 3 is a schematic view of a structural reinforcing rib I of the invention.

In the figure: 1. a swing arm body; 2. an intermediate bushing; 3. a ball pin seat; 4. a ball stud body; 5. a bushing hole; 6. assembling a shaft; 7. a front bushing; 8. a rear bushing; 9. a groove; 10. reinforcing ribs I; 11. fixing grooves; 12. and a reinforcing rib II.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention, and the filling of hatching in the drawings has no particular meaning, but is only for the purpose of distinguishing positional relationships between various objects in the drawings.

Referring to fig. 1-3, a suspension swing arm for front force transmission of an automobile comprises a swing arm body 1, wherein the thickness of the middle part of the swing arm body 1 is equal to the thickness of a groove 9, the thickness of the middle part of the swing arm body 1 is one third of the thickness of the outer wall of the swing arm body 1, the middle part of the swing arm body 1 is not designed to be a hollow structure, the middle part is prevented from being broken under the condition that the swing arm body 1 is subjected to an external force, the safety of the automobile in running is improved, the weight of the swing arm body 1 is reduced, the performance of the swing arm body 1 is not greatly reduced, one end of the swing arm body 1 is provided with a middle bushing 2, the middle bushing 2 is assembled on the swing arm body 1 and used for connecting a spring damper, the vibration of the automobile in running is reduced, the running stability of the automobile is improved, a ball pin seat 3 is arranged on an extending section of the middle bushing 2, and a ball pin body 4 is movably arranged inside the ball pin seat 3, the other two ends of the swing arm body 1 are respectively provided with a lining hole 5 and an assembling shaft 6, a front lining 7 is movably sleeved in the lining hole 5, a rear lining 8 is movably sleeved outside the assembling shaft 6, the front surface and the back surface of the swing arm body 1 are respectively provided with an inwards concave groove 9, triangles with different shapes are formed in the grooves 9 through reinforcing ribs I10, the grooves 9 are divided into triangles with different shapes through the reinforcing ribs I10 on the surface of the swing arm body 1, the bearing capacity of the swing arm body 1 is improved by utilizing the stability of the triangles, the stress level is reduced, the service life of the swing arm body 1 is prolonged, reinforcing ribs I10 are arranged in the grooves 9, the heads and the tails of the reinforcing ribs I10 are mutually clamped, the distance value of the reinforcing ribs I10 between the front surface and the back surface of the swing arm body 1 is more than 5 mm, and the mutual clamping between the reinforcing ribs I10 is utilized, so that the forging between the reinforcing ribs I10 is firmer, make swing arm body 1's bearing capacity reinforcing, it has improved structural rigidity to show, service life is prolonged, fixed slot 11 has been seted up respectively to the outside side of swing arm body 1, fixed slot 11's quantity is three, and the depth value of fixed slot 11 equals with the thickness value of strengthening rib II 12, set strengthening rib II 12 to with the mutual parallel and level of swing arm body 1's outside, the holistic pleasing to the eye degree of swing arm body 1 has been increased, fixed slot 11 is inside to be equipped with strengthening rib II 12, three strengthening ribs II 12 and swing arm body 1 are through forging one-piece, through forging one-piece with swing arm body 1 and strengthening rib II 12, avoided influencing its performance because of the weight increase of swing arm body 1 that swing arm body 1's thickness is too thick, and the cost is saved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power suspension swing arm before car, includes swing arm body (1), its characterized in that: one end of the swing arm body (1) is provided with a middle lining (2), an extending section extending outwards from the middle lining (2) is provided with a ball pin seat (3), the inside of the ball pin seat (3) is movably provided with a ball pin body (4), the other two ends of the swing arm body (1) are respectively provided with a lining hole (5) and an assembling shaft (6), the inside of the lining hole (5) is movably sleeved with a front lining (7), the outside of the assembling shaft (6) is movably sleeved with a rear lining (8), the front and the back of the swing arm body (1) are respectively provided with an inwards concave groove (9), the inside of the groove (9) is provided with a reinforcing rib I (10), the side surface outside the swing arm body (1) is respectively provided with a fixing groove (11), the inside of the fixing groove (11) is provided with a reinforcing rib II (12), the inside of the groove (9) forms a triangle with different shapes through the reinforcing rib I (10), the mutual joint of head and the tail of strengthening rib I (10), mutual joint makes forged more firm between strengthening rib I (10).

2. The swing arm of a suspension for front force transmission of an automobile according to claim 1, wherein: the thickness value of the middle part of the swing arm body (1) is equal to that of the groove (9), and the thickness value of the middle part of the swing arm body (1) is one third of that of the outer wall of the swing arm body (1).

3. The swing arm of a suspension for front force transmission of an automobile according to claim 1, wherein: and the distance value of the reinforcing rib I (10) between the front surface and the back surface of the swing arm body (1) is greater than 5 mm.

4. The swing arm of a suspension for front force transmission of an automobile according to claim 1, wherein: the three reinforcing ribs II (12) and the swing arm body (1) are integrated through forging.

5. The swing arm of a suspension for front force transmission of an automobile according to claim 1, wherein: the number of the fixing grooves (11) is three, and the depth value of the fixing grooves (11) is equal to the thickness value of the reinforcing ribs II (12).

6. The swing arm of a suspension for front force transmission of an automobile according to claim 1, wherein: the middle bushing (2) is assembled on the swing arm body (1) and is used for connecting a spring shock absorber.