KR102598415B1 - Roll mount for a vehicle - Google Patents

Abstract

The present invention discloses a roll mount for automobiles. A roll mount for an automobile according to an embodiment of the present invention includes a first assembly and a second assembly fastened to the first assembly by bolts to solve the problem of securing space for installing MDPS, attenuate vibration, and reduce load. It can provide effective support while reducing cost and weight.

Description

Roll mount for automobile {ROLL MOUNT FOR A VEHICLE}

The present invention relates to a roll mount for automobiles, and more specifically, to an automobile with a structure that solves the problem of securing space for installing an MDPS (Motor Driven Power Steering System), dampens vibration, effectively supports the load, and reduces cost and weight. This is about the roll mount.

The vehicle's engine is coupled with the transmission and mounted in the engine room, and is mounted in conjunction with the engine mount and transmission mount to support the load of the engine and transmission and attenuate vibration transmitted to the vehicle body.

That is, the lower end of the vehicle's engine and transmission assembly is coupled to the subframe, and the subframe is coupled to the car body frame that forms the engine room, so that the engine and transmission assembly are installed in the engine room.

Here, the engine and transmission assembly is called a power train. When this power train is installed in the engine room through a subframe, the power train is installed with a three-point mounting support structure or a four-point mounting support structure depending on the vehicle model. do.

The engine mount and transmission mount have a structure on which the engine or transmission is mounted or connected to one side of the engine or transmission. In addition, one or more roll mounts are additionally installed to share and support changes in the load of the engine and transmission due to inertia when the vehicle moves.

In other words, the engine mount and transmission mount on both sides of the engine and transmission support the load of the engine and transmission, but the roll mounts attached to the lower part of the engine and transmission are additionally connected to the engine or transmission to share displacement control and vibration damping. do.

Here, the roll mount is manufactured with a rubber member to increase vibration damping performance, and some are formed to have a partially cut configuration.

However, the roll mount of this structure has the disadvantage of requiring additional space when mounting the MDPS module. In addition, there is a disadvantage that the number of parts is large and the structure is complex for displacement control and vibration damping.

Republic of Korea Open Patent Application No. 10-2008-0026778

In order to overcome the problems of the prior art, an embodiment of the present invention reduces manufacturing costs by minimizing the installation space and reducing the number of parts when installing MDPS modules, and secures subframe rigidity by resolving interference with the subframe mounting part. We would like to provide a roll mount for automobiles that can

According to one aspect of the present invention, a roll mount for an automobile may include a first assembly and a second assembly fastened to the first assembly with a bolt.

The first assembly includes a case bracket; It may include a rear insulator located inside the case bracket and a core coupled to the center of the rear insulator.

The case bracket, rear insulator, and core may be vulcanized.

The case bracket may have a U-shaped shape.

A recess may be formed in the upper part of the case bracket.

The head portion of the rear insulator may be located in the indented portion.

The rear insulator may limit the behavior of the powertrain.

The rear insulator may include a head portion and a main body portion located below the head portion and spaced apart from the head portion.

A through hole having a shape corresponding to the core may be formed in the main body portion.

The rear insulator may be made of an insulating material.

The core may have a structure in which a first fastening hole is drilled in the upper part.

The second assembly may include a load bracket and a front insulator coupled to the load bracket.

The load bracket includes a body; It may include a second fastening hole drilled in the upper part of the body and a third fastening hole drilled in the lower part of the body.

The body may have a structure in which a tong part is formed with an open bottom.

The first assembly may be located in the tongs and fastened with a bolt.

The front insulator may be made of an insulating material.

The front insulator may be press-fitted into a second fastening hole drilled in the upper part of the body.

The front insulator can reduce vibration.

The roll mount can connect the transmission and the subframe.

According to one embodiment of the present invention, the automotive roll mount reduces manufacturing costs by reducing the number of parts while minimizing the installation space when installing the MDPS module, and improves subframe rigidity by solving interference with the subframe mounting part. It can provide an effect.

1 is a schematic diagram of a roll mount for an automobile according to an embodiment of the present invention.
Figure 2 is a schematic diagram showing an example of installation of a roll mount for an automobile according to an embodiment of the present invention in Figure 1.
Figure 3 is a schematic diagram showing an operation example of a roll mount for an automobile according to an embodiment of the present invention.
Figure 4 is a schematic diagram showing another operation example of a roll mount for an automobile according to an embodiment of the present invention.

The embodiments described below are provided so that those skilled in the art can easily understand the technical idea of the present invention, and the present invention is not limited thereto. In addition, the matters expressed in the attached drawings may be different from the actual implementation form in the schematic drawings to easily explain the embodiments of the present invention.

When a component is mentioned as being connected or connected to another component, it should be understood that it may be directly connected or connected to the other component, but that other components may exist in between.

And here, “connection” includes direct connection and indirect connection between one member and another member, and may mean all physical connections such as adhesion, attachment, fastening, bonding, and bonding.

In addition, expressions such as 'first, second', etc. are expressions used only to distinguish a plurality of components, and do not limit the order or other characteristics between the components.

Singular expressions include plural expressions unless the context clearly dictates otherwise. Terms such as “includes” or “has” are intended to mean the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, including one or more other features or numbers, It can be interpreted that steps, operations, components, parts, or combinations thereof can be added.

1 is a schematic diagram of a roll mount for an automobile according to an embodiment of the present invention.

Referring to FIG. 1, a roll mount 100 for an automobile according to an embodiment of the present invention includes a first assembly 110 and a second assembly fastened to the first assembly 110 and a bolt 180. 150), wherein the first assembly 110 includes a case bracket 120, a rear insulator 130 located inside the case bracket 120, and a central portion of the rear insulator 130. It consists of a core 140.

Here, the case bracket 120, rear insulator 130, and core 140 are preferably vulcanized.

In one specific example, the case bracket 120 has a U-shaped shape, and each end is bent outward. In addition, an indented portion 122 is formed in the upper part of the case bracket 120, and the head portion 132 of the rear insulator 130 is located in the indented portion 122. Here, the rear insulator 130 serves to limit the behavior of the powertrain.

Meanwhile, the rear insulator 130 includes a head portion 132 and a main body portion 134 located below the head portion 132 and spaced apart from each other.

A through hole 135 having a shape corresponding to the core 140 is formed in the main body 134, and a first fastening hole 141 is drilled in the upper part of the core 140. Here, the material of the rear insulator 130 is preferably made of an insulating material.

In one specific example, the second assembly 150 includes a load bracket 160 and a front insulator 170 coupled to the load bracket 160.

In addition, the rod bracket 160 includes a body 161, a second fastening hole 162 drilled in the upper part of the body 161, and a third fastening hole 163 drilled in the lower part of the body 161. ) and consists of:

In this structure, the body 161 is formed with a clamp portion 164 that is open at the bottom, and the first assembly 110 is located in the clamp portion 164 and fastened by a bolt 180.

Meanwhile, the front insulator 170 is made of an insulating material and is press-fitted into the second fastening hole 162 drilled in the upper part of the body 161 of the load bracket 160. Here, the front insulator 170 serves to reduce vibration.

Figure 2 is a schematic diagram showing an example of installation of a roll mount for an automobile according to an embodiment of the present invention in Figure 1.

Referring to Figure 2, the automotive roll mount according to an embodiment of the present invention connects the transmission 200 and the subframe 300 to share and support changes in the load of the engine and transmission due to inertia when the vehicle moves. I do it.

Generally, in a roll mount, the front core is connected to the bottom of the transmission or engine where vibration occurs, and the rear core is connected to the car body or subframe.

Therefore, the roll mount supports the load of the engine and transmission and attenuates vibration, so it is a component that has a significant impact on the NVH (Noise, Vibration, Harshness) performance and handling performance of the vehicle. In other words, it is a component that affects the rolling behavior control of the engine. By improving the performance of the roll mount, noise and vibration felt by the driver can be reduced, and the driving performance of the vehicle can also be improved.

Figure 3 is a schematic diagram showing an operation example of a roll mount for an automobile according to an embodiment of the present invention.

Referring to FIG. 3, an example of the direction of powertrain behavior during D-stage oscillation is shown, showing that compression of the insulator occurs.

Figure 4 is a schematic diagram showing another operation example of a roll mount for an automobile according to an embodiment of the present invention.

Referring to FIG. 4, an example of the direction of powertrain behavior during R-stage oscillation is shown, showing that tension of the insulator occurs.

When describing the operational relationship of the automotive roll mount according to an embodiment of the present invention with reference to FIGS. 1 to 4, the automotive roll mount 100 includes a first assembly 110 and the first assembly 110. ) and a second assembly 150 fastened by a bolt 180, wherein the first assembly 110 includes a case bracket 120 and a rear insulator located inside the case bracket 120. (130) and a core 140 coupled to the central portion of the rear insulator 130, and the second assembly 150 includes a rod bracket 160 and a front assembly coupled to the rod bracket 160. It consists of an insulator 170.

Here, in the first assembly 110, the rear insulator 130 is located inside the case bracket 120, and the core 140 is located in the through hole 135 of the rear insulator 130.

In addition, in the second assembly 150, the front insulator 170 is inserted into the second fastening hole 162 of the rod bracket 160, and the first assembly 110 is located in the clamp portion 164 to secure the bolt. It is concluded by (180).

The roll mount 100 configured in this way has the end of the case bracket 120 forming a mounting surface, so it can be installed without occupying additional installation space beyond the mounting surface, thereby saving installation space when installing the MDPS module. It is possible to secure space by minimizing it.

After installing the roll mount 100, the front insulator 170 and rear insulator 130 reduce vibration, the rear insulator 130 controls the behavior of the powertrain, and the load bracket 160 is installed on the front insulator. It operates to support a large load by connecting (170) and the rear insulator (130).

Therefore, the automotive roll mount according to the present invention reduces manufacturing costs by reducing the number of parts while minimizing the installation space when installing the MDPS module, and provides the effect of improving subframe rigidity by solving interference with the subframe mounting part. You can.

Those skilled in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without changing its technical idea or essential features. Therefore, the embodiments described above are merely presented by selecting the most preferred embodiments among various possible embodiments to aid the understanding of those skilled in the art, and the technical idea of this invention is not necessarily limited or limited only by the presented embodiments. Rather, it is stated that various changes, additions, and changes are possible without departing from the technical spirit of the present invention, as well as other equivalent embodiments. The scope of the present invention is indicated by the scope of the claims described below rather than the detailed description above, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts are included in the scope of the present invention. must be interpreted. In addition, the terms and words used in this specification and claims are defined based on the principle that the inventor can appropriately define the concept of the term in order to explain his or her invention in the best way, and do not use the terms or words in common or dictionary terms. It should not be interpreted limited to meaning only. In addition, the order of components described in the above-described process does not necessarily have to be performed in chronological order, and even if the order of performance of each component and step is changed, if the gist of the present invention is satisfied, such process may fall within the scope of the rights of the present invention. Of course it exists.

100: roll mount 110: first assembly
120: case bracket 122: indentation
130: Rear insulator 132: Head portion
134: main body 135: through hole
140: core 150: second assembly
160: Rod bracket 161: Body
162: second fastening hole 163: third fastening hole
164: Clamp 170: Front insulator
180: Bolt 200: Transmission
300: subframe

Claims (19)

As a roll mount for automobiles,
1st assembly; and
a second assembly fastened to the first assembly with a bolt;
Including,
The first assembly is,
A case bracket having an indentation formed at the top;
a rear insulator located inside the case bracket; and
It includes a core coupled to the central part of the rear insulator,
The second assembly is,
rod bracket; and
A roll mount for an automobile, comprising a front insulator coupled to the load bracket. delete According to claim 1,
A roll mount for an automobile, wherein the case bracket, rear insulator, and core are vulcanized. According to claim 1,
The case bracket is a roll mount for an automobile, characterized in that it has a U-shaped shape. delete According to claim 1,
A roll mount for an automobile, characterized in that the head portion of the rear insulator is located in the indented portion. According to claim 1,
The rear insulator is a roll mount for an automobile, characterized in that it limits the movement of the powertrain. According to claim 1,
The rear insulator is,
head part; and
a main body portion located below the head portion and spaced apart from the head portion;
A roll mount for an automobile comprising a. According to claim 8,
A roll mount for an automobile, characterized in that a through hole of a shape corresponding to the core is formed in the main body portion. According to claim 1,
A roll mount for an automobile, characterized in that the material of the rear insulator is made of an insulating material. According to claim 1,
A roll mount for an automobile, characterized in that a first fastening hole is drilled in an upper part of the core. delete According to claim 1,
The load bracket is,
body;
a second fastening hole drilled in the upper part of the body; and
a third fastening hole drilled in the lower part of the body;
A roll mount for an automobile comprising a. According to claim 13,
A roll mount for an automobile, characterized in that the body is formed with a clamp part that is open at the bottom. According to claim 14,
A roll mount for an automobile, characterized in that the first assembly is located in the clamp portion and fastened with a bolt. According to claim 1,
A roll mount for an automobile, wherein the front insulator is made of an insulating material. According to claim 1,
A roll mount for an automobile, wherein the front insulator is press-fitted into a second fastening hole drilled in the upper part of the body. According to claim 1,
A roll mount for an automobile, wherein the front insulator reduces vibration. According to claim 1,
The roll mount is a roll mount for an automobile, characterized in that it connects a transmission and a subframe.