Control arm assembly
Technical Field
The utility model relates to a car suspension field, in particular to control arm assembly.
Background
The suspension system is a connection system among wheels, a vehicle body and a vehicle frame, and comprises an elastic element, a guide mechanism, a shock absorber and the like, and the control arm is one of the guide mechanism elements. In the running process of the automobile, due to the requirements of vibration and steering caused by road surface change, the wheels can generate up-down jumping and left-right swinging inevitably, and part of force generated by the movement of the wheels can be transmitted to the automobile body through the control arm, so that the performance of the control arm directly influences the safety, comfort and operation stability of the automobile, and the control arm has certain rigidity and reliability.
The existing control arm generally adopts a three-end connection mode, a ball end is connected with an automobile steering knuckle, and the other two bushings are connected with an automobile body or an auxiliary frame. The utility model discloses an authorization notice number is CN207772816U china utility model, discloses an automobile suspension control arm assembly, including the control arm body that is "L" type, the upper end of control arm body is equipped with ball round pin connecting portion, and the left and right sides of control arm body lower extreme is equipped with solid fixed ring and fixed axle respectively, and solid fixed ring and the coaxial setting of fixed axle are equipped with first bush in the solid fixed ring, and the fixed axle overcoat is equipped with the second bush, and the front and back terminal surface symmetry of control arm body is provided with the recess, and first through-hole, second through-hole and second through-hole have been seted up to the bottom surface.
The control arm assembly in the technical scheme adopts a three-end connection mode, but the control arm assembly is firmly connected with the automobile, and the control arm assembly connected with the three ends is not firmly connected with the automobile.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a control arm assembly makes control arm assembly be connected more firmly with the car.
The utility model aims at realizing through the following technical scheme:
a control arm assembly comprises a control arm support, a first connecting end, a second connecting end and a third connecting end, wherein the first connecting end, the second connecting end and the third connecting end are all arranged on the control arm support, and the control arm assembly further comprises a fixed end arranged on the control arm support.
Through adopting above-mentioned technical scheme, when the control arm assembly used, first link, second link and third link were connected with knuckle, automobile body and sub vehicle frame respectively, and the stiff end is connected with other spare parts on the car, make control arm assembly and car be connected more firmly, and more stable on the car.
The utility model discloses further set up to: the fixed end protrudes out of the control arm support, and the central shaft of the fixed end and the side face of the control arm support, on which the fixed end is arranged, are obliquely arranged.
By adopting the technical scheme, the central shaft of the fixed end and the control arm bracket are obliquely arranged, so that the occupied space of the fixed end is reduced; and the inclined fixed end is adapted to a specific use environment.
The utility model discloses further set up to: the control arm assembly is characterized by further comprising an auxiliary end arranged on the control arm support, and the auxiliary end and the fixed end are both located on the same side of the control arm support.
Through adopting above-mentioned technical scheme, when the stiff end is connected with other spare parts on the car, also be connected with other spare parts of car with the auxiliary end of stiff end homonymy, make control arm assembly and car be connected more firmly.
The utility model discloses further set up to: the one end that control arm support was kept away from to supplementary end to the stiff end is crooked, supplementary end with form the centre gripping chamber between the stiff end.
By adopting the technical scheme, when the control arm assembly is connected with the automobile, other parts on the automobile enter the clamping cavity formed by the auxiliary end and the fixed end, the residual space in the automobile is fully utilized, and meanwhile, the other parts entering the clamping cavity are prevented from moving by the limitation of the fixed end and the auxiliary end; the auxiliary end and the fixed end are connected with other parts of the automobile together, so that the control arm assembly is more stable in the automobile, and the reliability of the control arm is improved.
The utility model discloses further set up to: the auxiliary end is provided with a connecting rod in a penetrating way and is connected with the fixed end.
Through adopting above-mentioned technical scheme, when the control arm assembly is connected, the automobile parts who will be connected with the stiff end inserts the centre gripping intracavity, then passes the auxiliary end with the connecting rod and is connected with the stiff end, is connected stiff end and automobile parts through the connecting rod, makes control arm assembly and automobile connection more firm.
The utility model discloses further set up to: the control arm assembly is characterized by further comprising a limiting end arranged on the control arm support, the limiting end and the fixed end are located on the same side of the control arm support, and the limiting end and the auxiliary end are located on two sides of the fixed end respectively.
By adopting the technical scheme, when the control arm assembly is connected, the limiting end is firstly abutted against the automobile to play a role of reservation, the control arm assembly is temporarily fixed at a preset position, and the fixed end and the auxiliary end are conveniently connected with other parts of the automobile together.
The utility model discloses further set up to: the control arm support is provided with a first end face and a second end face which are arranged in an opposite mode, the first end face is provided with a plurality of material reducing grooves, and the material reducing grooves are formed in a surrounding mode in the center of the control arm support.
By adopting the technical scheme, the weight of the control arm support is reduced by the plurality of material reducing grooves, so that the weight of the whole automobile is reduced; meanwhile, the material consumption of the control arm support is reduced by the material reducing groove, and the production cost is reduced; the material reducing grooves are arranged around the center of the control arm, so that the material reducing grooves are uniformly distributed on the control arm support, and the control arm support keeps certain strength.
The utility model discloses further set up to: the second end face is provided with a hollow groove, the bottom of the hollow groove is provided with a through hole, and the through hole is communicated with the first end face.
By adopting the technical scheme, the control arm assembly is connected with the automobile steering knuckle, so that the control arm assembly is generally arranged near an automobile tire, when rain is splashed when the automobile runs on the ground, the control arm support is easily infected with the rain splashed by the tire, particularly, after the rain splashes into the hollow groove on the control arm support, the rain can be accumulated in the hollow groove and is difficult to take out, the control arm support is easy to rust in the past, and after the through hole is formed in the bottom of the hollow groove, the rain accumulated in the hollow groove can flow out of the through hole, so that the rain is prevented from accumulating in the hollow groove.
To sum up, the utility model discloses a beneficial technological effect does:
1. when the control arm assembly is used, the first connecting end, the second connecting end and the third connecting end are respectively connected with the steering knuckle, the automobile body and the auxiliary frame, and the fixed ends are connected with other parts on the automobile, so that the control arm assembly is more firmly connected with the automobile and is more stable on the automobile;
2. the auxiliary end and the fixed end are connected with other parts of the automobile together, so that the control arm assembly is more stable in the automobile;
3. the plurality of material reducing grooves reduce the weight of the control arm support, so that the weight of the whole automobile is reduced; meanwhile, the material consumption of the control arm support is reduced by the material reducing groove, and the production cost is reduced.
Drawings
FIG. 1 is a schematic view of a first end face of a control arm support according to an embodiment;
fig. 2 is a schematic view of a second end surface of the control arm support in the embodiment.
In the figure, 1, control arm support; 11. a first end face; 12. a second end face; 13. a material reducing tank; 14. a yielding groove; 15. hollowing out the grooves; 16. a through hole; 2. a first connection end; 3. a second connection end; 4. a third connection end; 5. a fixed end; 6. an auxiliary end; 61. a clamping cavity; 62. connecting holes; 63. a connecting rod; 7. a limiting end.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a control arm assembly includes a control arm support 1, a first connecting end 2, a second connecting end 3, a third connecting end 4, a fixed end 5, an auxiliary end 6, and a limiting end 7, wherein the first connecting end 2, the second connecting end 3, the third connecting end 4, the fixed end 5, the auxiliary end 6, and the limiting end 7 are all disposed on the control arm support 1.
Control arm support 1 is the triangle-shaped structure that the direct punching press of steel sheet formed, and control arm support 1 has first terminal surface 11 and second terminal surface 12, and first terminal surface 11 sets up with second terminal surface 12 back of the body mutually, and a plurality of subtracting groove 13 have been seted up to first terminal surface 11, subtracts groove 13 in this embodiment and is provided with threely, and three subtracting groove 13 sets up around control arm support 1 center, and one of them subtracts groove 13 and second terminal surface 12 and link up mutually.
The first end face 11 is provided with a yielding groove 14, the yielding groove 14 is located at the center of the first end face 11, and the three relief grooves 13 are arranged around the yielding groove 14.
Referring to fig. 1 and 2, the second end surface 12 is provided with a hollow groove 15, the hollow groove 15 is located at the center of the control arm support 1, a through hole 16 is formed at the bottom of the hollow groove 15, the through hole 16 is communicated with the first end surface 11, and the through hole 16 is located at the center of the first end surface 11.
The first connecting end 2, the second connecting end 3 and the third connecting end 4 are respectively located at three triangular end points of the control arm support 1, the first connecting end 2, the second connecting end 3 and the third connecting end 4 are all integrally arranged with the control arm support 1, and the first connecting end 2, the second connecting end 3 and the third connecting end 4 are respectively connected with an automobile steering knuckle, an automobile body and an auxiliary frame.
The fixed end 5, the auxiliary end 6 and the limiting end 7 are connected to the circumferential side wall between the first connecting end 2 and the second connecting end 3 in the control arm support 1 in a whole, the central shaft of the fixed end 5 is arranged on the control arm support 1 in an inclined mode towards the first connecting end 2, and a mounting hole is formed in one end, far away from the control arm support 1, of the fixed end 5.
The end of the auxiliary end 6 far away from the control arm support 1 is bent towards the fixed end 5, so that the whole auxiliary end 6 is arc-shaped. A clamping cavity 61 is formed between the auxiliary end 6 and the fixed end 5, a connecting hole 62 corresponding to the mounting hole is formed in the auxiliary end 6, the connecting hole 62 penetrates through a group of opposite side faces of the auxiliary end 6, a connecting rod 63 penetrates through the connecting hole 62, and one end of the connecting rod 63 is embedded into the mounting hole of the fixed end 5.
The limiting end 7 is perpendicular to the control arm support 1, the limiting end 7 and the auxiliary end 6 are located on two sides of the fixed end 5 respectively, and a threaded hole is formed in one end, away from the control arm support 1, of the limiting end 7.
The working principle of the embodiment is as follows: when the control arm support 1 is connected, the limiting end 7 is abutted to parts of an automobile, the position of the control arm support 1 is determined, then the first connecting end 2, the second connecting end 3 and the third connecting end 4 are respectively connected with an automobile steering knuckle, an automobile body and an auxiliary frame, then the automobile parts needing to be connected with the fixed end 5 and the auxiliary end 6 are inserted into the clamping cavity 61, the connecting rod 63 penetrates through the connecting hole 62 of the auxiliary end 6 and is inserted into the mounting hole of the fixed end 5, and the automobile parts are connected with the control arm support 1.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.