Parts assembling apparatus for vehicle

Abstract

The disclosed embodiment relates to a vehicle component fastening device. In a configuration for fastening a modular component (10) of a vehicle to a member member (20) of a vehicle, the rotation of a bracket component that may occur during the transfer and assembly process of the modular component (10) can be physically restrained by changing the structural shape of the bush (200). Additionally, depending on whether the bracket component coupled to the member member (20) of the vehicle is used, the bush (200) can be inverted vertically for use, thereby preventing misassembly and improving productivity.

Description

Technology Field

[0001] The disclosed embodiment relates to a vehicle component fastening device, and more specifically, to a vehicle component fastening device capable of physically restraining the rotation of a fastened object (bracket component) that may occur during the transfer and assembly process of a modular component (integrated thermal management module) of a vehicle. Background Technology

[0002] Modular components equipped in eco-friendly vehicles, such as electric vehicles or fuel cell vehicles (modular components may be, for example, an integrated thermal management module) include a number of excitation source components such as electric compressors, electric water pumps, coolant valves, and refrigerant valves.

[0003] Such an integrated thermal management module is assembled on the vehicle assembly line using a fastening device including multiple brackets and bushings to finally secure it to the vehicle body.

[0004] To ensure stable assembly of the integrated thermal management module on the assembly line, it is necessary to restrain the fastened parts (bracket components) to prevent rotation that may occur during the transfer and assembly process.

[0005] If the workpiece (bracket component) is rotated and supplied to the assembly line out of the correct position required for assembly, there is a risk of excessive assembly time, and in severe cases, a risk of misassembly.

[0006] The matters described as background technology above are intended only to enhance understanding of the background of the disclosed embodiments and should not be construed as an acknowledgment that they constitute prior art already known to those skilled in the art. The problem to be solved

[0007] The disclosed embodiment is a vehicle component fastening device capable of physically restraining the rotation of a fastened part (bracket part) that may occur during the transfer and assembly process of a modular component (integrated thermal management module), and is intended to prevent misassembly and improve productivity. means of solving the problem

[0008] A vehicle component fastening device according to a disclosed embodiment for achieving the above-mentioned purpose comprises: a first bracket having a mounting hole formed that is open on one side and penetrates from top to bottom; a bush having a coupling groove formed on its outer surface that is inserted into the mounting hole and coupled with the first bracket, a rotation-preventing projection formed in the coupling groove to prevent rotation of the first bracket upon contact with the first bracket, and a coupling projection protruding from one surface; and a second bracket having an insertion hole formed therein that is attached to the bottom surface of the bush and into which the coupling projection is inserted.

[0009] It is characterized by further including an inner pin installed to penetrate the center of the bush; and a bolt fastened through the inner pin.

[0010] The inner pin is characterized by comprising: a cylindrical portion penetrating the center of the bush; and a flange portion extending radially outward from one end of the cylindrical portion and installed in surface contact with the upper surface of the bush.

[0011] The first bracket is characterized by being combined with a modular component of a vehicle.

[0012] The second bracket is coupled to a member of the vehicle; and the modular component is connected to the member of the vehicle by the first bracket, the bushing, and the second bracket.

[0013] The bush is inserted into the bush mounting hole, and as the periphery of the bush mounting hole is inserted into the coupling groove of the bush, the bush is coupled so that it penetrates the first bracket; the pair of inlet protrusions forming the entrance of the bush mounting hole in the first bracket come into contact with both sides of the anti-rotation protrusions to prevent rotation of the first bracket.

[0014] The above-mentioned coupling protrusions are formed as one or more than one number; the insertion holes are formed in the same number as the coupling protrusions so that the coupling protrusions and the insertion holes are matched and coupled one by one; and when the above-mentioned coupling protrusions are formed as more than one number, the multiple coupling protrusions are arranged at equal intervals along the circumferential direction of the bushing.

[0015] Additionally, a vehicle component fastening device according to the disclosed embodiment comprises: a first bracket having a mounting hole formed that is open on one side and penetrates vertically; a bushing having a coupling groove formed on its outer surface that is inserted into the mounting hole and coupled with the first bracket, wherein a rotation-preventing projection is formed in the coupling groove to prevent rotation of the first bracket upon contact with the first bracket, and wherein the coupling projection is provided to protrude from one side and the other side is installed to contact a member member of the vehicle; an inner pin having an insertion hole formed therein that penetrates the center of the bushing and into which the coupling projection is inserted; and a bolt that penetrates the inner pin and is fastened to a member member of the vehicle.

[0016] The inner pin is characterized by comprising: a cylindrical portion penetrating the center of the bush; and a flange portion formed to extend radially outward from one end of the cylindrical portion, having an insertion hole formed therein, and installed in surface contact with the upper surface of the bush.

[0017] The first bracket is coupled to a modular component of a vehicle; and the modular component is connected to a member of a vehicle by means of the first bracket and a bushing.

[0018] The bush is inserted into the bush mounting hole, and as the periphery of the bush mounting hole is inserted into the coupling groove of the bush, the bush is coupled so that it penetrates the first bracket; the pair of inlet protrusions forming the entrance of the bush mounting hole in the first bracket come into contact with both sides of the anti-rotation protrusions to prevent rotation of the first bracket. Effects of the invention

[0019] The vehicle component fastening device according to the disclosed embodiment is configured to physically restrain the rotation of a bracket component that may occur during the transfer and assembly process of a modular component without using a separate structure by changing the structural shape of a bushing in a configuration for fastening a modular component (integrated thermal management module) of a vehicle to a member member of the vehicle, thereby preventing unnecessary material waste and reducing costs, and furthermore, has the effect of preventing misassembly and improving productivity.

[0020] In addition, the bush can be used by inverting it vertically depending on whether a bracket component connected to the vehicle's member is used, which enables the standardization of the bush and has the effect of promoting cost reduction.

[0021] The effects obtainable from the disclosed embodiments are not limited to those mentioned above, and other unmentioned effects will be clearly understood by those skilled in the art to which the disclosed embodiments belong from the description below. Brief explanation of the drawing

[0022] FIGS. 1 to 6 are drawings for explaining a vehicle component fastening device according to a disclosed embodiment, FIGS. 7 to 10 are drawings for explaining a vehicle component fastening device according to another disclosed embodiment. Specific details for implementing the invention

[0023] In describing the embodiments disclosed in this specification, detailed descriptions of related prior art are omitted if it is determined that such detailed descriptions may obscure the essence of the embodiments disclosed in this specification. Furthermore, the attached drawings are intended only to facilitate understanding of the embodiments disclosed in this specification, and the technical concept disclosed in this specification is not limited by the attached drawings; it should be understood that they include all modifications, equivalents, and substitutions that fall within the spirit and technical scope of this disclosure. The disclosure below is not intended to limit this disclosure to the described form or specific field, and it is considered that various alternative modes and modifications to this disclosure are possible, whether explicitly stated or implied in this specification. Those skilled in the art will recognize that the form and details of this disclosure may change.

[0024] The present disclosure is described with reference to specific embodiments. However, as understood by those skilled in the art to which the present disclosure pertains, the various embodiments disclosed herein may be modified or otherwise implemented in various other ways without departing from the spirit and scope of the present disclosure. Accordingly, the following description should be considered illustrative and is intended to teach those skilled in the art to the manner in which various embodiments are made and used. It will be understood that the forms of the disclosure shown and described herein are to be taken as representative embodiments. Equivalent elements, or materials, processes, or steps may be substituted for those representatively exemplified and described in the present disclosure. Expressions used in describing the present disclosure, such as "including," "comprising," "incorporating," "consisting of," "have," "is," etc., should be interpreted as allowing items, components, or elements not explicitly described to be indicated in a non-exclusive manner, i.e., to be indicated. In addition, references to the singular should be interpreted as including those related to the plural.

[0025] Furthermore, the various embodiments disclosed herein should be accepted as illustrative and descriptive and should not be interpreted as limiting the content of the disclosure. All references to joining (e.g., attached, affixed, coupled, connected, etc.) are used solely to aid in understanding the disclosure and are not intended to limit the location, orientation, or use of the configuration or the methods disclosed herein. Accordingly, where joining references exist, they should be interpreted broadly. Moreover, in such joining references, it is not assumed that two or more elements are directly connected to each other. Additionally, all numeric terms, e.g., "first," "second," "third," "primary," "secondary," "major," or any other general or numeric terms, are to be taken solely as identifiers to aid in understanding the various components, forms, variations, or modifications of the present disclosure and are not to imply any limitation to any component, form, variation, or modification, or to any order or preference thereof. That is, while such expressions may be used to describe various components, the components are not limited by such expressions. Such expressions are used solely for the purpose of distinguishing one component from another.

[0026] The suffixes "module" and "part" used for components in the following description are assigned or used interchangeably solely for the ease of drafting the specification, and do not inherently possess distinct meanings or roles.

[0027] When it is stated that one component is "connected" or "connected" to another component, it should be understood that while it may be directly connected or connected to that other component, there may also be other components in between. On the other hand, when it is stated that one component is "directly connected" or "directly connected" to another component, it should be understood that there are no other components in between.

[0028] Furthermore, the terms "Unit" or "Control Unit" included in the name are merely terms widely used to name controllers that control specific vehicle functions, and do not refer to generic function units.

[0029] A controller may include a communication device that communicates with other controllers or sensors to control the function it is responsible for, a memory that stores an operating system, logic instructions, and input / output information, and one or more processors that perform judgments, calculations, decisions, etc., necessary for controlling the function it is responsible for.

[0030] Any number of components or various components in any configuration described herein may be included within the disclosure described herein. Components may include any combination of features described herein and may be arranged in any configuration among the various configurations described herein. Concepts regarding the structure and arrangement of the components of the disclosure, as well as their use and operation, may be applied to any number of embodiments in any combination, as well as to specific embodiments discussed herein. Embodiments including those having various features of various arrangements are described below with reference to the drawings.

[0031] Hereinafter, various embodiments disclosed in this specification will be described in detail with reference to the attached drawings. Identical or similar components are given the same reference number regardless of the drawing symbols, and redundant descriptions thereof will be omitted.

[0032] FIGS. 1 to 6 illustrate a vehicle component fastening device according to one disclosed embodiment.

[0033] As described above, a vehicle component fastening device according to one embodiment may include: a first bracket (100) having a mounting hole (110) that is open on one side and penetrates the upper and lower parts; a bush (200) having a coupling groove (210) formed on its outer surface that is inserted into the mounting hole (110) and coupled with the first bracket (100), a rotation prevention projection (220) formed in the coupling groove (210) to prevent rotation of the first bracket (100) by contact with the first bracket (100), and a coupling projection (230) protruding from one side; a second bracket (300) having an insertion hole (310) formed to be inserted into the coupling projection (230) and attached to the bottom surface of the bush (200); an inner pin (400) installed to penetrate the center of the bush (200); and a bolt (500) fastened by penetrating the inner pin (400).

[0034] The mounting hole (110) can be formed by being cut in an arc shape while being pushed inward from one side of the first bracket (100) toward the inside of the first bracket (100), and by penetrating the upper and lower parts of the first bracket (100).

[0035] The bush (200) may be composed of an insulating bush equipped with shock and noise damping and insulation functions, and may be formed of, for example, a rubber material.

[0036] A connecting groove (210) may be formed on the outer surface of the bush (200) by being cut along the circumferential direction and indented into the inner side of the bush (200).

[0037] The coupling groove (210) can be formed at an intermediate position in the vertical height of the bush (200), and the bush (200) can be formed to be vertically symmetrical with respect to the coupling groove (210).

[0038] In the coupling groove (210) of the bush (200), a rotation-preventing projection (220) that blocks the connection of the coupling groove (210) in the circumferential direction may be integrally formed.

[0039] In addition, a connecting projection (230) of a predetermined length with a circular cross-section may be provided protruding from one side of the bush (200).

[0040] In one embodiment, a connecting projection (230) may be provided to protrude from the bottom surface of the bush (200).

[0041] According to the disclosed embodiment, when the bush (200) is inserted into the bush mounting hole (110), the circumference portion (120) of the bush mounting hole (110) is inserted into the coupling groove (210) of the bush (200), and accordingly, the bush (200) can be coupled with the first bracket (100) in a manner that penetrates the first bracket (100).

[0042] Additionally, when the bush (200) is coupled to the first bracket (100), a pair of inlet protrusions (130) forming the entrance of the bush mounting hole (110) in the first bracket (100) come into contact with both sides of the anti-rotation protrusions (220) of the bush (200), thereby preventing rotation of the first bracket (100).

[0043] A bush hole (240) into which an inner pin (400) is inserted may be formed in the center of the bush (200).

[0044] A fastening hole (320) into which a bolt (500) is fastened is formed in the second bracket (300), and an insertion hole (310) into which a coupling projection (230) of a bush (200) is inserted may be formed on one side of the fastening hole (320).

[0045] When the bush (200) is inserted into the bush mounting hole (110) of the first bracket (100) and the connecting projection (230) of the bush (200) is inserted into the insertion hole (310) of the second bracket (300), the upper surface of the second bracket (300) can be installed so as to make surface contact with the lower surface of the bush (200).

[0046] The inner pin (400) may include a cylindrical portion (410) that penetrates a bush hole (240) formed in the center of the bush (200); and a flange portion (420) that extends radially outward from one end of the cylindrical portion (410) and is installed in surface contact with the upper surface of the bush (200).

[0047] A pin hole (430) through which a bolt (500) passes can be formed in the center of the inner pin (400), and the inner pin (400) can act as a washer to strengthen the fastening force of the bolt (500).

[0048] In one embodiment, the first bracket (100) can be combined with a modular component (10, integrated thermal management module) of a vehicle, and the second bracket (300) can be combined with a member member (20) of a vehicle.

[0049] Accordingly, the modular component (10) of the vehicle can be installed to be connected to the member member (20) of the vehicle by means of a first bracket (100), a bush (200), a second bracket (300), and a bolt (500) connecting them.

[0050] The member member (20) of the vehicle can be a side member adjacent to the modular part (10).

[0051] In one embodiment, the first bracket (100), the bush (200), the second bracket (300), the inner pin (400), and the bolt (500) are combined, the first bracket (100) and the modular component (10) of the vehicle are combined, and the second bracket (300) and the member member (20) of the vehicle are combined. In this configuration, the inlet projection (130) of the first bracket (100) contacts the anti-rotation projection (220) of the bush (200), thereby preventing rotation of the first bracket (100) that may occur during the transfer and assembly process of the modular component (10).

[0052] Additionally, the connecting projection (230) of the bush (200) is configured to be inserted into the insertion hole (310) of the second bracket (300), thereby preventing rotation of the second bracket (300) that may occur during the assembly process of the modular component (10).

[0053] There is an advantage in that it is possible to prevent misassembly and improve productivity by preventing rotation of the first bracket (100) and the second bracket (300) that may occur during the transfer and assembly process of such modular parts (10).

[0054] Typically, a separate structure (rotation prevention pin or adhesive member) can be used to prevent rotation of the first bracket (100) and the second bracket (300) that may occur during the transfer and assembly process of the modular component (10), but since the structure cannot be reused after assembly is completed, it must be discarded, and there is a concern that this may lead to material waste and increased costs.

[0055] The disclosed embodiment is configured to prevent rotation of the first bracket (100) and the second bracket (300) that may occur during the transfer and assembly process of the modular component (10) without using a separate structure by changing the structural shape of the bush (200), and has the advantage of preventing unnecessary material waste and reducing costs.

[0056] According to the disclosed embodiment, the coupling projection (230) of the bush (200) may be formed as one or more than one, and the insertion holes (310) of the second bracket (300) may be formed in the same number as the coupling projection (230) so that the coupling projection (230) and the insertion holes (310) of the second bracket (300) are matched and coupled one by one.

[0057] As shown in FIG. 6, if one or more coupling protrusions (230) are formed, the coupling protrusions (230) can be formed to be arranged at equal intervals along the circumferential direction of the bush (200), and through this, the bush (200) can maintain a more stable coupling force, thereby more effectively preventing rotation of the first bracket (100) and the second bracket (300).

[0058] FIGS. 7 to 10 illustrate a vehicle component fastening device according to another disclosed embodiment.

[0059] The fastening device of another embodiment is configured not to use a second bracket when compared to the fastening device of the aforementioned first embodiment, and the bushing is configured to be joined by being inverted vertically, and for this purpose, an insertion hole is formed in the inner pin.

[0060] In other words, the fastening device of another embodiment that does not use the second bracket is configured to allow the bushing to be inverted vertically, thereby enabling the standardization of the bushing and thus enabling cost reduction.

[0061] As described above, a vehicle component fastening device according to another embodiment comprises: a first bracket (100) having a mounting hole (110) that is open on one side and penetrates the upper and lower portions; a bush (200) having a coupling groove (210) formed on its outer surface that is inserted into the mounting hole (110) and coupled with the first bracket (100), and a rotation-preventing projection (220) formed in the coupling groove (210) to prevent rotation of the first bracket (100) through contact with the first bracket (100), and having a coupling projection (230) protruding from one side and installed to contact a member member (20) of the vehicle on the other side; and an inner pin (400) having an insertion hole (440) formed that penetrates the center of the bush (200) and into which the coupling projection (230) is inserted. and a bolt (500) that passes through the inner pin (400) and is fastened to the member member (20) of the vehicle.

[0062] The mounting hole (110) can be formed by being cut in an arc shape while being pushed inward from one side of the first bracket (100) toward the inside of the first bracket (100), and by penetrating the upper and lower parts of the first bracket (100).

[0063] The bush (200) may be composed of an insulating bush equipped with shock and noise damping and insulation functions, and may be formed of, for example, a rubber material.

[0064] A connecting groove (210) may be formed on the outer surface of the bush (200) by being cut along the circumferential direction and indented into the inner side of the bush (200).

[0065] The coupling groove (210) can be formed at an intermediate position in the vertical height of the bush (200), and the bush (200) can be formed to be vertically symmetrical with respect to the coupling groove (210).

[0066] In the coupling groove (210) of the bush (200), a rotation-preventing projection (220) that blocks the connection of the coupling groove (210) in the circumferential direction may be integrally formed.

[0067] In addition, a connecting projection (230) of a predetermined length with a circular cross-section may be provided protruding from one side of the bush (200).

[0068] In another embodiment, a coupling projection (230) may be provided to protrude from the upper surface of the bush (200).

[0069] According to the disclosed embodiment, when the bush (200) is inserted into the bush mounting hole (110), the circumference portion (120) of the bush mounting hole (110) is inserted into the coupling groove (210) of the bush (200), and accordingly, the bush (200) can be coupled with the first bracket (100) in a manner that penetrates the first bracket (100).

[0070] Additionally, when the bush (200) is coupled to the first bracket (100), a pair of inlet protrusions (130) forming the entrance of the bush mounting hole (110) in the first bracket (100) come into contact with both sides of the anti-rotation protrusions (220) of the bush (200), thereby preventing rotation of the first bracket (100). (See FIG. 5)

[0071] A bush hole (240) into which an inner pin (400) is inserted may be formed in the center of the bush (200).

[0072] In a state where the bush (200) is inserted into the bush mounting hole (110) of the first bracket (100), the bottom surface of the bush (200) can be installed so as to be in surface contact with the top surface of the member member (20) of the vehicle.

[0073] The member member (20) of the vehicle can be a side member adjacent to the modular component (10, integrated thermal management module), and a fastening hole (21) into which a bolt (500) is fastened can be formed in the member member (20).

[0074] The inner pin (400) may include a cylindrical portion (410) that penetrates a bush hole (240) formed in the center of the bush (200); and a flange portion (420) that is formed to extend radially outward from one end of the cylindrical portion (410), has an insertion hole (440) formed therein, and is installed in surface contact with the upper surface of the bush (200).

[0075] When the cylindrical part (410) is inserted into the bush hole (240) and the connecting projection (230) is inserted into the insertion hole (440), the bottom surface of the flange part (420) of the inner pin (400) can be installed in surface contact with the top surface of the bush (200).

[0076] A pin hole (430) through which a bolt (500) passes can be formed in the center of the inner pin (400), and the inner pin (400) can act as a washer to strengthen the fastening force of the bolt (500).

[0077] In another embodiment, the first bracket (100) can be coupled to a modular component (10) of a vehicle, and the bolt (500) penetrating the inner pin (400) and the bush (200) can be coupled to a member member (20) of a vehicle that makes surface contact with the bush (200).

[0078] Accordingly, the modular component (10) of the vehicle can be installed to be connected to the member member (20) of the vehicle by means of a first bracket (100) and a bush (200) and a bolt (500) connecting them.

[0079] In one embodiment, the first bracket (100), the bush (200), the inner pin (400), and the bolt (500) are combined, the first bracket (100) and the modular component (10) of the vehicle are combined, and the bolt (500) passing through the inner pin (400) and the bush (200) is fastened to the member member (20) of the vehicle, and the inlet projection (130) of the first bracket (100) is configured to come into contact with the anti-rotation projection (220) of the bush (200), thereby preventing rotation of the first bracket (100) that may occur during the transfer and assembly process of the modular component (10).

[0080] Additionally, the coupling projection (230) of the bush (200) is configured to be inserted into the insertion hole (440) of the inner pin (400), which can also prevent rotation of the first bracket (100) that may occur during the transfer and assembly process of the modular component (10).

[0081] There is an advantage in that it is possible to prevent misassembly and improve productivity by preventing rotation of the first bracket (100) that may occur during the transfer and assembly process of such modular parts (10).

[0082] In addition, compared to the fastening device of the first embodiment described above, the fastening device is configured not to use the second bracket (300), and the bush (200) is configured to be connected by being inverted vertically. For this purpose, an insertion hole (440) is formed in the inner pin (400). In the configuration not using the second bracket (300), the bush (200) can be used by being inverted vertically, and through this, the bush (200) can be shared, which has the advantage of reducing costs.

[0083] As described above, the vehicle component fastening device according to the disclosed embodiment is configured to physically restrain the rotation of a bracket component that may occur during the transfer and assembly process of a modular component (10) without using a separate structure by changing the structural shape of the bushing (200) in a configuration for fastening a modular component (10, integrated thermal management module) of a vehicle to a member member (20) of a vehicle, thereby preventing unnecessary material waste and reducing costs, and furthermore, has the advantage of preventing misassembly and improving productivity.

[0084] In addition, depending on whether a bracket part combined with the vehicle member member (20) is used, the bush (200) can be inverted vertically and used, and through this, the bush (200) can be made common, which has the advantage of reducing costs.

[0085] Although specific embodiments of the disclosed embodiments have been illustrated and described, it will be obvious to those skilled in the art that the disclosed embodiments may be modified and changed in various ways without departing from the technical spirit of the disclosed embodiments provided by the following claims. Explanation of the symbols

[0086] 10 - Modular components 20 - Member Absence 21 - Fastening hole 100 - 1st bracket 110 - Bushing mounting hole 120 - perimeter 130 - Entrance protrusion 200 - Bush 210 - Connecting groove 220 - Anti-rotation protrusion 230 - Connecting protrusion 240 - Bushhole 300 - 2nd bracket 310 - Insertion hole 320 - Fastening hole 400 - Inner Pin 410 - Cylindrical part 420 - Flange section 430 - Pinhole 440 - Insertion hole 500 - Bolt

Claims

Claim 1 A vehicle component fastening device characterized by comprising: a first bracket having a mounting hole formed that is open on one side and penetrates from top to bottom; a bush having a coupling groove formed on its outer surface that is inserted into the mounting hole and coupled with the first bracket, a rotation-preventing projection formed in the coupling groove to prevent rotation of the first bracket upon contact with the first bracket, and a coupling projection protruding from one surface; and a second bracket having an insertion hole formed therein that is attached to the bottom surface of the bush and into which the coupling projection is inserted. Claim 2 A vehicle component fastening device according to claim 1, further comprising: an inner pin installed to penetrate the center of the bushing; and a bolt fastened through the inner pin. Claim 3 A vehicle component fastening device according to claim 2, wherein the inner pin comprises: a cylindrical portion penetrating the center of the bush; and a flange portion extending radially outward from one end of the cylindrical portion and installed in surface contact with the upper surface of the bush. Claim 4 A vehicle component fastening device according to claim 1, wherein the first bracket is coupled to a modular component of a vehicle. Claim 5 A vehicle component fastening device according to claim 4, wherein the second bracket is coupled to a member member of the vehicle; and the modular component is connected to the member member of the vehicle by the first bracket, the bushing, and the second bracket. Claim 6 A vehicle component fastening device according to claim 1, characterized in that when the bush is inserted into the bush mounting hole and the periphery of the bush mounting hole is inserted into the coupling groove of the bush so that the bush is coupled to penetrate the first bracket, a pair of inlet protrusions forming the inlet of the bush mounting hole in the first bracket come into contact with both sides of the anti-rotation protrusions to prevent rotation of the first bracket. Claim 7 A vehicle component fastening device according to claim 1, wherein the coupling projection is formed as one or more than one number; the insertion holes are formed in the same number as the coupling projections so that the coupling projections and the insertion holes are matched and coupled one by one; and when the coupling projections are formed as more than one number, the multiple coupling projections are arranged at equal intervals along the circumferential direction of the bushing. Claim 8 A vehicle component fastening device characterized by comprising: a first bracket having a mounting hole formed that is open on one side and penetrates the upper and lower portions; a bushing having a coupling groove formed on its outer surface that is inserted into the mounting hole and coupled with the first bracket, a rotation-preventing projection formed in the coupling groove to prevent rotation of the first bracket upon contact with the first bracket, a coupling projection protruding from one side, and a bushing installed to contact a member member of a vehicle on the other side; an inner pin having an insertion hole formed therein that penetrates the center of the bushing and into which the coupling projection is inserted; and a bolt that penetrates the inner pin and is fastened to a member member of a vehicle. Claim 9 A vehicle component fastening device according to claim 8, characterized in that the inner pin comprises: a cylindrical portion penetrating the center of a bushing; and a flange portion formed to extend radially outward from one end of the cylindrical portion, having an insertion hole formed therein, and installed in surface contact with the upper surface of the bushing. Claim 10 A vehicle component fastening device according to claim 8, wherein the first bracket is coupled to a modular component of a vehicle; and the modular component is connected to a member member of a vehicle by means of the first bracket and a bushing. Claim 11 A vehicle component fastening device according to claim 8, characterized in that when the bush is inserted into the bush mounting hole and the periphery of the bush mounting hole is inserted into the coupling groove of the bush so that the bush is coupled to penetrate the first bracket, a pair of inlet protrusions forming the inlet of the bush mounting hole in the first bracket come into contact with both sides of the anti-rotation protrusions to prevent rotation of the first bracket.

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