CZ2018477A3 - Illuminated radiator grille mounting system - Google Patents

Abstract

The assembly for fixing the illuminated radiator grille comprises an illuminated radiator grille (1) connected to the rear wall (5) of the radiator grille via a housing (2) of the illuminated radiator grille. The rear wall (5) of the radiator grille is firmly connected to the grille carrier (6) at least at one point by means of a pack (12) comprising a fracture line (20). The mask carrier (6) is further firmly attached to the front of the vehicle. The mask carrier (6) comprises at least an upper sleeve (14) and a lower sleeve (13). At least the upper sleeve (14) or the lower sleeve (13) further comprises a membrane (18) notched to the walls of the upper sleeve (14) or the lower sleeve (13). The rear wall (5) of the radiator grille comprises at least an upper mandrel (10) slidably mounted in the upper sleeve (14) and at least a lower mandrel (11) slidably mounted in the lower sleeve (13).

Description

Field of technology

The invention relates to the specific attachment of an illuminated radiator grille to an automobile to provide protection for the radiator grille in the event of a frontal impact at low speeds and to contribute to pedestrian protection.

Prior art

An integral part of every car is its cooling system. The main component of such a cooling system is the radiator. The radiator is a heat exchanger into which a hot liquid carrying a heat produced by the engine is blown, and this heat is removed in the radiator by means of air. Air usually enters the radiator space through the radiator grille, which is sometimes referred to as a grill.

The radiator grille is usually formed by vertical ribs, horizontal ribs, or a combination of both. Between the fins, air flows into the engine compartment, especially the radiator. Air can flow to the radiator due to the movement of the car and the inertia of the air molecules, or a fan is also placed behind the radiator grille for this purpose. The radiator grille and the fins placed on it are often made of a uniform, inexpensive plastic part, the flexibility of which allows a slight deformation in the event of a collision at low speeds, which does not lead to any damage.

The problem occurs when the radiator grille forms a design element and is made up of several layers that are inseparably connected, thus forming a rigid block that cannot react flexibly to shocks. A design mask will have a higher price because, for example, it can be illuminated, which can lead to an expensive replacement if the collision mask is destroyed. It is necessary to find a fastening method that will protect such a mask so that it is fixed enough to the surrounding parts, and at the same time so that the fastening is flexible enough to meet pedestrian protection requirements and to prevent damage to the mask due to collision at low speeds.

It is known in the state of the art to fasten the mask to the body via another part, as described, for example, in U.S. Pat. No. 8,931,828. However, this fastening does not solve the problem of destructive deformation of the mask in the event of a collision.

U.S. Pat. No. 4,103,951 describes a pneumatic bumper system which, in the event of a collision, absorbs part of the impact energy due to the pneumatic system. Due to the need to place a pneumatic tank and other connecting members, this system is very disadvantageous in terms of complexity and heavy weight.

JP 2016078664 discloses a method of attaching a mask by means of a pin in which a frontal collision exceeds the shear strength limit, thereby rupturing the pin and allowing the mask to be partially displaced and some of the collision energy absorbed by elastic deformation of the mask. The disadvantage of this solution is the possibility of use only with flexible mask constructions, which would mean its destruction when used with an illuminated mask.

The essence of the invention

The above-mentioned drawbacks are to some extent eliminated by the system for fixing the illuminated radiator grille. The essence of the advantage is that the system for fixing the illuminated radiator grille comprises a rear wall of the radiator grille connected to the illuminated grille of the radiator via a housing of the illuminated radiator grille, the rear wall of the radiator grille further comprising at least one

A3 pack, comprising a fracture line, wherein the rear wall of the radiator grille is fixedly connected to the mask carrier at least in one place by means of a pack, the mask carrier being firmly attached to the front of the vehicle, the mask carrier comprising at least one clamp abutting on the paw, at least one upper sleeve, and at least one lower sleeve, wherein the upper sleeve or lower sleeve further comprises a membrane notched to the walls of the upper sleeve or lower sleeve, the rear wall of the radiator grille comprising at least an upper tm slidably mounted in the upper sleeve tm slidably mounted in the lower sleeve. This ensures a stable mounting of the radiator grille, which allows flexible response to vehicle impacts at low speeds, when the radiator grille is applied by a force greater than 3.5 kN in the direction of the longitudinal axis of the car towards the inside of the car, the lower darkness stored in the lower sleeve breaks in place vmbu membrane, the paw is separated from the rear wall of the radiator grille at the point of the break line and the rear wall of the radiator grille is moved so that it approaches the mask carrier by a rotationally sliding movement towards the inside of the car and upwards. Furthermore, for example, when a force of more than 3.5 kN is applied to the radiator grille in the direction of the longitudinal axis of the car towards the inside of the car, the fixed connection of the rear wall of the radiator grille and the grille carrier may be interrupted and at least one or light darkness inserted into at least the first or a second sleeve, the rear wall of the radiator grille being displaced in the direction of this force.

Preferably, the mask carrier comprises at least one upper sleeve comprising an upper horizontal wall, at least one lower sleeve comprising a membrane and at least one clamp, the upper horizontal wall of the upper sleeve being separated from the side vertical walls of the upper sleeve. This configuration sets the compressive strength limit, so that the amount of force acting on the radiator grille in the event of an impact does not exceed the value that the radiator grille is able to withstand.

Preferably, the upper tm and the lower tm have the shape of a truncated pyramid. This ensures easy demolding of the rear wall of the radiator grille during production.

Preferably, the system for attaching the illuminated radiator grille comprises a rear wall of the radiator grille connected to the illuminated grille by means of a radiator grille housing, the rear wall of the radiator grille further comprising at least one paw comprising a fracture line, the rear wall of the radiator grille being at least in at one point rigidly connected to the mask carrier by means of a pack, the rear wall of the heat sink mask comprises at least an upper sleeve and a lower sleeve, the upper sleeve or lower sleeve further comprising a notched membrane with the walls of the upper sleeve or lower sleeve, the mask carrier comprising at least one clamp on the pack, at least an upper tm slidably mounted in the upper sleeve and at least a lower tm slidably mounted in the lower sleeve, the radiator grille carrier being fixedly attached to the front of the vehicle. This ensures a stable mounting of the radiator grille, which allows it to react flexibly to vehicle impacts at low speeds.

Explanation of drawings

The essence of the invention is further elucidated on the basis of examples of its embodiment, which are described with the aid of the accompanying drawings, where:

Giant. 1 schematically shows a system for fixing an illuminated mask

Giant. 2 is a front view of the system for attaching the illuminated mask

Giant. 3 is a rear view of the illuminated mask mounting system

Giant. 4 is a sectional view of the system for fixing the illuminated mask B-B

Giant. 5 is a sectional view of the system for fixing the illuminated mask C-C

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Giant. 6 is a sectional view of the system for fixing the illuminated mask D-D

Giant. 7 is a sectional view of the system for attaching the illuminated mask E-E

Giant. 8 is a sectional view of the system for attaching the illuminated mask F-F.

Examples of embodiments of the invention

In the first exemplary embodiment, we have a vehicle which includes a radiator grille on the front side, through which air flows which cools the liquid in the radiator carrying heat from the engine compartment. The radiator grille is located in a visually very important place in the car, in the middle on the front side, and therefore, in addition to the requirement for functionality, great emphasis is also placed on aesthetics. One of the ways to aesthetically improve the radiator grille is to decorate its fins, or to change its shape to more interesting. Another way is to maximize the optical fusion of the radiator grille with the rest of the front of the car. Another way to aesthetically enhance the radiator grille is to illuminate it.

In the case of a car with a drive other than combustion, the radiator will not be part of this car. If the radiator grille is placed in the front of this car, this radiator grille will only have an aesthetic function. An example of a car powered other than by an internal combustion engine is an electric car or a hydrogen-powered car.

The illuminated radiator grille 1 is a part composed of several layers, which together form a rigid body and which are made of other materials than the conventional radiator grille 23. Therefore, it cannot be attached in a conventional manner to surrounding parts, especially the bumper. In order to attach the illuminated radiator grille 1 to the front of the vehicle, there is provided a rear wall 5 of the radiator grille, which may be made of ASA material, which is acrylonitrile styrene acrylate used for example in 3D printing, or may be made of polypropylene in combination with talc or talc, for example TD30 mixtures containing, according to the ISO standard, 30% talc as filler.

The illuminated radiator grille 1 is attached to the housing 2 of the illuminated radiator grille. This housing 2 of the illuminated radiator grille is fastened to the rear wall 5 of the radiator grille by means of screws and plug-in nuts.

The plug-in nut can be, for example, a U-shaped bent plate in which two threaded holes are located opposite each other. This bent plate can be slid onto any material and thus perform the function of a nut or a hole with an internal thread.

A chrome frame 3 abuts against the illuminated heat sink mask and the housing 2 of the illuminated radiator grille, which is also attached to the rear wall 5 of the radiator grille. A bumper cover 4 is further attached to the rear wall 5 of the radiator grille. The illuminated radiator grille 1, the housing 2 of the illuminated radiator grille, the chrome frame 3, the bumper cover 4 and the rear wall 5 of the radiator grille form an assembly 8 of the illuminated radiator grille. On the rear side of the rear wall 5 of the radiator grille, in the middle part there are two upper darknesses 10 and in the lower part two lower darknesses 11, see Fig. 3. These darknesses have the shape of a truncated pyramid with a square base. The shape of the truncated pyramid is useful in the process of demolding the part of the rear wall 5 of the radiator grille during its manufacture. In the upper part of the rear side of the rear wall 5 of the radiator grille there are four packs 12. On these packs 12 there is an oval hole 21 of the pack for rivet screw connection 17 and a fracture line 20, see Fig. 6. the profile is narrowed, which reduces the flexural and compressive strength. The rivet screw connection 17 is a connection such that in the hole of the first connecting part there is a rivet with an internal thread, a so-called rivet nut, into which a screw is screwed when attaching the long connecting part.

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The kit for fixing the illuminated radiator grille 1 further comprises a grille carrier 6, which is fixed by means of a fixed screw connection 9 to parts in the engine compartment or to the front end 7, see Fig. 7. The fixed screw connection 9 comprises a screw and a threaded nut welded to the sheet. The screw passes through the oval hole 16 of the carrier, see Fig. 7, thanks to which it is possible to adjust the exact position of the mask carrier 6. The mask carrier 6 can be made of polypropylene in combination with a talc, for example TD30, as filler. The mask carrier 6 has a pin 22 in the upper part on the left and on the right, see Fig. 3. This pin 22 serves as a reference point, which has the same mask carrier 6 and headlights, by means of which the mask carrier 6 is secured against movement in ose Y.

The Z axis is perpendicular to the floor of the vehicle and perpendicular to the longitudinal axis of the vehicle. The Y axis is perpendicular to the Z axis and perpendicular to the longitudinal axis of the vehicle. The X-axis is thus parallel to the longitudinal axis of the vehicle and perpendicular to the ZaY axis.

On the mask carrier 6 there is an upper sleeve 13 and a lower sleeve 14, which are designed to allow the upper dark 10 and lower dark 11, or the whole radiator grille assembly 8, to engage in the car in the event of an impact, thus preventing damage to the illuminated grille. 1 radiator, the functionality of which must be maintained even after an impact. In the lower part of the mask carrier 6, on the left and right, there is a lower sleeve 13, of which the membrane 18 is a part as the bottom of this sleeve. This membrane 18 has a weakened connection between the walls of the lower sleeve 13, thus setting the required compressive strength, and thus a certain increase in pressure on this membrane 18 will cause a rupture at the weakened connection. When mounting the rear wall 5 of the radiator grille, this diaphragm 18 is used as a stop when positioned in the X-axis. In the middle part of the mask carrier 6 there is an upper sleeve 14 on the left and right side, which is open at the end and thus has no bottom. The upper horizontal wall 25 of the upper sleeve is separated from the side vertical walls, so that it can be deformed in the form of an upward bend caused by darkness. In the upper part of the mask carrier 6 there are further four clamps 15, at each of the four clamps 15 there being an opening 19 for a rivet nut.

The illuminated radiator grille assembly 8 is attached to the grille carrier 6 so that the lower darknesses 11 are loosely inserted into the lower sleeves 13 and the upper darknesses 10 are loosely inserted into the upper sleeves 14. The mandrels in the sleeves are loose without additional securing. the X-axis illuminated radiator grille assembly 8 may have shifted toward the rear of the vehicle. There is clearance between the darkness and the vertical side walls of the sleeves due to manufacturing and assembly tolerances. A firm connection of the mask carrier 6 to the rear wall 5 of the radiator grille is achieved by connecting the four levers 12 together with the four terminals 15 by a rivet screw connection 17. The rivet screw connection 17 comprises a screw and a threaded rivet nut.

The rear wall 5 of the radiator grille and the grille carrier 6 together form a functional system which ensures a stable position of the illuminated grille mask assembly 8 and at the same time allows it to react flexibly to vehicle impacts at low speeds. In the event of an impact and the subsequent application of forces to the radiator grille from the 3.5 kN limit, the fracture line 20 on the packs 12 bends or breaks the pack 12 at the fracture line 20, thereby interrupting the flow of energy transmitted to the impact object. For example, a pedestrian may be subject to an impact. Thanks to the interruption of the flow of energy on pedestrians, the requirement for pedestrian protection given by the standard is met. Breaking the levers 12 will also allow the entire displacement of the illuminated radiator grille to be subsequently moved. Further, upon impact, the diaphragm 18 on the lower sleeves 13 breaks, allowing the lower mandrels 11 to engage deeper into the lower sleeves 13. Further, the upper wall of the upper sleeves 14 deforms by bending upwards, thereby allowing the upper mandrels 10 to engage deeper into the upper sleeves 14 and their dialing upwards. Due to these functional elements, a rotational movement about the Y-axis and a sliding movement in the X-axis in the direction of the rear of the vehicle of the entire radiator grille assembly 8 are performed on impact, thereby also preventing damage to the illuminated radiator grille J.

In the second exemplary embodiment, the upper darkness 10 with the lower darknesses 11 is located on the mask carrier 6 and the upper sleeves 14 with the lower sleeves 13 are located on the rear wall 5 of the heat sink.

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In this second exemplary embodiment, there are two upper darknesses 10 in the middle part and two lower darknesses 11 in the lower part on the mask carrier 6. These darknesses have the shape of a truncated pyramid with a square base. In the upper part of the mask carrier 6 there are further four clamps 15. On these clamps 15 there is an opening 19 for a rivet nut.

In this second exemplary embodiment, on the rear side of the rear wall 5 of the radiator grille there is an upper sleeve 14 and a lower sleeve 13, which are designed to slide on the upper darkness 10 and the lower darkness 11 on impact, thus preventing damage to the illuminated radiator grille 1. , whose functionality must be maintained even after the impact. In the lower part of the rear wall 5 of the radiator grille, to the left and to the right, there is a lower sleeve 13, which includes the membrane 18 as the bottom of this sleeve. This membrane 18 has a weakened connection between the walls of the lower sleeve 13, thus setting the required compressive strength, and thus a certain increase in pressure on this membrane 18 will cause a rupture at the weakened connection. When mounting the rear wall 5 of the radiator grille, this diaphragm 18 is used as a stop when positioned in the X-axis. In the middle part of the rear wall 5 of the radiator grille there is an upper sleeve 14 on the left and right side, which is open at the end and has no bottom. The upper horizontal wall 25 of the upper sleeve is separated from the side vertical walls, so that it can be deformed in the form of an upward bend caused by upper darkness 10. In the upper part of the rear side of the rear wall 5 of the radiator grille there are four packs 12. On each of the four levers 12 there is an oval hole 21 of the pack for the rivet screw connection 17 and the fracture line 20. The fracture line 20 is a part of the pack 12 whose profile is tapered, thereby reducing the flexural and compressive strength.

This second embodiment is not shown in any of the figures.

In the third exemplary embodiment, the illuminated heat sink mask 1 is replaced by an ordinary conventional heat sink mask 23. This conventional radiator grille 23 is attached to the rear wall 5 of the radiator grille in a conventional manner, by means of clips. In the case of this embodiment, the housing 2 of the illuminated radiator grille is not used. The conventional mask mounting assembly thus consists of a conventional radiator grille 23, a chrome frame 3, a bumper cover 4, a rear wall 5 of the radiator grille and a mask carrier 6.

This third embodiment is not shown in any of the figures.

Industrial applicability

The above-described system for fixing the illuminated mask can be used primarily to protect the front mask of the car, but also to protect pedestrians in the event of a frontal collision at low speeds.

Claims (4)

PATENT CLAIMS A system for mounting an illuminated radiator grille, characterized in that it comprises a rear wall (5) of the radiator grille connected to the illuminated grille (1) by a housing (2) of the illuminated radiator grille, the rear wall (5) of the radiator grille further comprising at least one a foot (12) comprising a fracture line (20), the rear wall (5) of the radiator grille being fixedly connected to the mask carrier (6) by means of a foot (12) at least at one point, the mask carrier (6) being fixedly attached to the front part of the vehicle, the mask carrier (6) further comprises at least one clamp (15) abutting the paw (12), at least one upper sleeve (14), and at least one lower sleeve (13), the upper sleeve (14) or the lower sleeve ( 13) further comprising a membrane (18) notched to the walls of the upper sleeve (14) or the lower sleeve (13), further the rear wall (5) The radiator grille A3 comprises at least an upper bracket (10) slidably mounted in the upper sleeve (14) and at least a lower bracket (11) slidably mounted in the lower sleeve (13). Assembly system for fixing an illuminated radiator grille according to claim 1, characterized in that the upper sleeve (14) comprises an upper horizontal wall (25) and side vertical walls of the upper sleeve (14), the upper horizontal wall (25) of the upper sleeve (14) ) is separated from the side vertical walls of the upper sleeve (14). Assembly system for fixing an illuminated radiator grille according to claim 2, characterized in that the upper darkness (10) and the lower darkness (11) have the shape of a truncated pyramid. A system for mounting an illuminated radiator grille, characterized in that it comprises a rear wall (5) of the radiator grille connected to the illuminated grille (1) by a housing (2) of the illuminated radiator grille, the rear wall (5) of the radiator grille further comprising at least one a foot (12) comprising a fracture line (20), wherein the rear wall (5) of the radiator grille is fixedly connected to the mask carrier (6) via the pack (12) at least in one place, the rear wall (5) of the radiator grille comprises at least an upper a sleeve (14) and a lower sleeve (13), wherein the upper sleeve (14) or the lower sleeve (13) further comprises a membrane (18) connected to the walls of the upper sleeve (14) or the lower sleeve (13), the carrier (6) the mask comprises at least one clamp (15) abutting the paw (12), at least an upper bracket (10) slidably mounted in the upper sleeve (14) and at least a lower bracket (11) slidably mounted in the lower sleeve (13), the carrier (6) The radiator grille is firmly attached to the front of the vehicle.