WO2024051644A1

WO2024051644A1 - Light-emitting outer water cutting device using flexible light guide and external light source

Info

Publication number: WO2024051644A1
Application number: PCT/CN2023/116721
Authority: WO
Inventors: 崔凯欢; 刘江波; 聂大鸿; 王正伟; 陈攀; 钱鑫; 范喜春
Original assignee: 宁波信泰机械有限公司
Priority date: 2022-09-05
Filing date: 2023-09-04
Publication date: 2024-03-14
Also published as: CN115610201A

Abstract

A light-emitting outer water cutting device using a flexible light guide and an external light source. The water cutting device comprises: a water cutting body (1); a flexible light guide (2), clamped into the water cutting body; and a light source module (3) arranged in an automobile door (7) and connected to an end of the flexible light guide. According to the outer water cutting device, a flexible light guide is inserted into an existing water cutting body and light emitted from the light source module is guided into the water cutting body via the flexible light guide, and finally the light transmits from the surface of the water cutting body to realize a light-emitting function of the outer water cutting device. The parts used are fewer and the structure is simpler, and the flexible light guide can increase the adaptability of the light-emitting outer water cutting device, so that it is not necessary to make adaptive adjustments to the structure when the light-emitting outer water cutting device adapts to different vehicle models, thus ultimately reducing the research and development costs.

Description

A luminous external water cutter using a flexible light guide and an external light source

Technical field

The invention relates to the technical field of auto parts, specifically a luminous external water shear using a flexible light guide and an external light source.

Background technique

The "internal and external water cut" in automobile parts refers to the rubber sealing strip in the groove of the lower edge of the door glass. The inside is called the internal water cut and the outside is called the outer water cut. Its location is: between the window glass and the door frame; its role is : When lifting and lowering the window glass, it can cut off water droplets, water mist and dust on the glass surface, and it also plays a beautiful role.

New energy vehicles and some mid-to-high-end models are increasingly using luminous elements to make the shape more technological, and at the same time provide welcome lighting effects, providing more possibilities for human-vehicle interaction, such as the Chinese invention patent application (Application No. 202011432074.4) discloses a luminous exterior water-cut, which includes a PP skeleton body, a soft body, a decorative light-transmitting part, and a luminous component. The PP skeleton body and the soft body form a body. One side of the body is the inside of the car, and the other side is the car. On the outside, the decorative light-transmitting component is installed on the outer side of the car on the left side of the body, and the light-emitting component is installed between the decorative light-transmitting component and the left side of the body. The light from the light-emitting component passes through the decorative light-transmitting component and displays a luminous effect. The advantage of the present invention is that the light guide plate, the decorative light-transmitting part made of PMMA material, the luminous LED lamp and the main body are assembled and combined with each other, and the installation is easy. The light emitted through the light guide plate is uniform, the light-emitting area is large, and the control circuit is used to control Luminous LED lights can present different luminous effects, and the overall manufacturing cost is also low.

However, this kind of luminous exterior water-cut parts has a complicated structure and poor adaptability. When it is applied to different car models, it is necessary to adapt the structural dimensions of all parts. When adapting to different car models, it will increase the need to change the size and structure. R&D time and increased R&D costs.

technical problem

Many of the current luminous exterior water-cut parts have complex structures and poor adaptability. When adapting to different models, it will increase the development time and increase the development cost of changing the size and structure.

Technical solutions

The technical problem to be solved by the present invention is to provide a luminous external water shear using a flexible light guide and an external light source in view of the current situation of the existing technology.

The technical solution adopted by the present invention to solve the above technical problems is to propose a luminous external water shear using a flexible light guide and an external light source, which includes: a water shear body;

A flexible light guide, which is clamped in the water-cutting body;

A light source module is installed in the car door and connected to the end of the flexible light guide. When the light source module is powered on and emits light, the flexible light guide can transmit light along its own length direction and finally Introduced into the water cutting body.

In the above-mentioned luminous external water cutter using a flexible light guide and an external light source, the water cutter body has a partial light-transmitting part.

In the above-mentioned luminous external water cutter using a flexible light guide and an external light source, the water cutter body includes:

The connecting part is used for snapping onto the car door;

Metal decorative strips, which are clipped on the outer surface of the connecting part;

A light-emitting part is connected between the connecting part and the metal trim strip, and the light-emitting part is made of transparent material.

In the above-mentioned luminous external water cutter using a flexible light guide and an external light source, the entire water cutter body is made of light-transmitting material.

In the above-mentioned luminous external water shear using a flexible light guide and an external light source, the water shear body includes: a connecting part for snapping on the car door; a metal trim strip that snaps on the connecting part The outer surface of The mounting holes are formed for the flexible light guide to pass through.

In the above-mentioned luminous external water shear using a flexible light guide and an external light source, the material of the main body part is black thermoplastic vulcanized rubber, the material of the light-transmitting part is thermoplastic polyurethane elastomer rubber, and the material of the reflective connection part is styrene. Thermoplastic elastomer-like.

In the above-mentioned luminous exterior water cutting using a flexible light guide and an external light source, the light source module includes:

LED lights connected to the ends of the flexible light guides;

A radiator, which is connected to the LED lamp;

A sealed housing wrapped around the outside of the LED lamp and the heat sink;

Wire harness, which is connected to the other end of the LED etc.

In the above-mentioned luminous outer water cutting using a flexible light guide and an external light source, the flexible light guide includes an inner core made of transparent glass fiber or plastic fiber and a skin wrapped around the outside of the inner core. The skin is made of transparent glass fiber or plastic fiber. Made of light material.

In the above-mentioned luminous external water shear using a flexible light guide and an external light source, at least one end of the flexible light guide is connected to a light source module, the water shear body is provided with a fixing piece, and the flexible light guide enters around the fixing piece. Inside the car door.

In the above-mentioned luminous exterior water-cut device using a flexible light guide and an external light source, there are at least two flexible light guides, and the ends of the two flexible light guides are connected to the light source module, and the light source module Connected to the middle position of the car door.

beneficial effects

Compared with the existing technology, the advantage of the present invention is that a flexible light guide is inserted into the existing water cutting body and the light emitted by the light source module is guided into the water cutting body through the flexible light guide. Finally, the light passes from the surface of the water cutting body. To realize the luminous function of the outer water cutter, the present invention uses fewer parts and has a simpler structure, and the flexible light guide can increase the adaptability of the luminous outer water cutter of the present invention, making it adaptable to different car models. The structure needs to be adapted to ultimately reduce R&D costs.

Description of the drawings

Figure 1 is a perspective view of a luminous exterior water-cut device using a flexible light guide and an external light source installed on a car door according to the present invention;

Figure 2 is a perspective view of a luminous external water cutter using a flexible light guide and an external light source according to the present invention;

Figure 3 is a cross-sectional view of Figure 2;

Figure 4 is a partial view of Figure 2 installed in a car door;

Figure 5 is a partial view of the fixing member 8 installed on the car door;

Figure 6 is a partial view from another direction in Figure 1;

Figure 7 is a plan view of the flexible lightguide of Figure 6;

Figure 8 is a schematic structural diagram of another luminous external water cutter using a flexible light guide and an external light source.

In the figure, 1. Water-cut body; 2. Flexible light guide; 3. Light source module; 4. Connection part; main part 41; 5. Metal trim strip; 6. Light-emitting part; 61. Reflective connection part; 62. Translucent part ; 7. Car door; 8. Fixings; 9. Installation holes; 10. Frame.

Best Mode of Carrying Out the Invention Embodiments of the invention

The following are specific embodiments of the present invention combined with the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in Figures 1 to 7, a light-emitting external water shear using a flexible light guide and an external light source of the present invention includes: a water shear body 1; a flexible light guide 2, which is clamped in the water shear body 1; a light source module 3, It is installed in the car door 7 and connected to the end of the flexible light guide 2. When the light source module 3 is powered on and emits light, the flexible light guide 2 can transmit the light along its own length direction and finally introduce it into the water-cut body 1.

In this application, a flexible light guide 2 is inserted into the existing water-cut body 1, and the flexible light guide 2 guides the light emitted by the light source module 3 into the water-cut body 1. Finally, the light is transmitted from the surface of the water-cut body 1 to realize outdoor operation. Due to the light-emitting function of water cutting, the present invention uses fewer parts and has a simpler structure, and the flexible light guide 2 in this solution has high adaptability to different car models, so that it does not need to be used when adapting to different car models. Make major structural adjustments to ultimately reduce R&D costs.

In order to allow the light introduced into the water-cutting body 1 by the flexible light guide 2 to pass through the water-cutting body 1 to achieve the effect that the water-cutting body 1 can emit light, the water-cutting body 1 may have a light-transmitting part in part, or may be made of a light-transmitting material as a whole. become.

When the water-cutting body 1 has a partial light-transmitting part, the water-cutting body 1 includes: a connecting part 4, which is used for clamping on the car door 7; a metal decorative strip 5, which is clamped on the outer surface of the connecting part 4; a light-emitting part. 6, which is connected between the connecting part 4 and the metal trim strip 5. The light-emitting part 6 is made of transparent material.

The metal decorative strip 5 is used to increase the texture and structural strength of the water-cut body 1 and increase the service life of the water-cut strip. When the light source module 3 is powered on, the flexible light guide 2 irradiates the light emitted by the light source into the water-cut body 1 and Finally, it is emitted from the light-emitting part 6 , thereby realizing local light emission of the water-cut body 1 .

As shown in Figure 8, it is another structure of a luminous external water cutter using a flexible light guide and an external light source. The water cutter body here includes: a connecting part 4 and a metal decorative strip 5. The connecting part 4 includes a main body part 41 and a light emitting part 6. , the main body part 41 and the light-emitting part 6 are integrated, and the light-emitting part 6 is composed of a reflective connecting part 61 and a light-transmitting part 62; the metal trim strip 5 is clamped on the outer surface of the connecting part 41; the reflective connecting part 61 and the light-transmitting part 62 The mounting holes 9 formed therebetween are for the flexible light guide 2 to pass through. The material of the main body 41 is black thermoplastic vulcanized rubber, also known as TPV. The material of the light-transmitting part 62 is thermoplastic polyurethane elastomer rubber, thermoplastic polyurethane elastomer rubber. Also called TPU, the material of the reflective connecting part 61 is styrene thermoplastic elastomer, which is also called TPS. In order to enhance the strength of the entire luminous outer water cut, there is a skeleton 10 in the main body part 41. Through the main body part 41 The overall covering frame 10 and the metal decorative strip 5 are used to increase the texture and structural strength of the water-cut body 1 and increase the service life of the water-cut bright strip. When the light source module 3 is powered on, the flexible light guide 2 irradiates the light emitted by the light source. into the water-cutting body 1 and finally dispersed from the light-transmitting part 62 , thereby realizing local luminescence of the water-cutting body 1 .

Further, the light source module 3 includes: an LED lamp, which is connected to the end of the flexible light guide 2; a heat sink, which is connected to the LED lamp; a sealed shell, which is wrapped around the outside of the LED lamp and the heat sink; a wire harness, which Connect to the other end of the LED etc.

The LED lamp is used to realize the light-emitting function of the light source module 3. The radiator is used to prevent the heat emitted by the LED lamp from burning out the LED lamp itself. The sealed shell is used to connect and install the LED lamp and the radiator. The wiring harness is used to connect the LED The light is powered on.

Further, the flexible light guide 2 includes an inner core made of transparent glass fiber or plastic fiber and a skin wrapped around the outside of the inner core. The skin is made of a light-transmitting material.

The inner core made of transparent glass fiber or plastic fiber is used to realize the light guiding function of the flexible light guide 2, and the skin made of light-transmitting material outside the inner core is used to protect the inner core.

At least one end of the flexible light guide 2 is connected to the light source module 3. The water-cutting body 1 is provided with a fixing part 8. One end of the flexible light passes through the fixing part 8 and enters the inside of the car door 7.

The middle part of the flexible light guide 2 is inserted into the water-cut body 1 and both ends of the flexible light guide 2 are suspended inside the car door 7. Since the inner core of the flexible light guide 2 is made of transparent glass fiber or plastic fiber, the inner core made of this material is When the car door 7 is folded and fixed, the flexible light guide 2 is easily damaged. Therefore, in this solution, a fixing part 8 is provided on the water-cut body 1. Passing one end of the flexible light guide 2 through the fixing part 8 can play a supporting role in supporting the flexible light guide 2. At the same time, the flexible light guide 2 is prevented from bending and folding in the car door 7 .

Preferably, there are at least two flexible light guides 2 , and the ends of the two flexible light guides 2 are connected to the light source module 3 , and the light source module 3 is connected to the middle position of the car door 7 .

In this solution, two flexible light guides 2 are provided and one end of the two flexible light guides 2 is connected to a light source module 3, which can realize the function of the flexible light guides 2 transmitting light and at the same time reduce the manufacturing cost of the luminous outer water shear of the present invention. .

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiment of the present invention are only used to explain the relationship between components in a specific posture (as shown in the drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

In addition, descriptions such as "first", "second", "a", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the indicated technical features. quantity. Therefore, features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically limited.

In the present invention, unless otherwise clearly stated and limited, the terms "connection", "fixing", etc. should be understood in a broad sense. For example, "fixing" can be a fixed connection, a detachable connection, or an integral body; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two elements or an interactive relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on what a person of ordinary skill in the art can implement. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that such a combination of technical solutions is possible. It does not exist and is not within the protection scope required by the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the technical field to which the present invention belongs can make various modifications or additions to the described specific embodiments or substitute them in similar ways, but this will not deviate from the scope defined by the spirit of the present invention.

Claims

A luminous external water shear using a flexible light guide and an external light source, which is characterized by including:

water cut body;

A flexible light guide, which is clamped in the water-cutting body;

A light source module is installed in the car door and connected to the end of the flexible light guide. When the light source module is powered on and emits light, the flexible light guide can transmit light along its own length direction and finally Introduced into the water cutting body.
A luminous external water cutter using a flexible light guide and an external light source as claimed in claim 1, characterized in that the water cutter body has a partial light-transmitting part.
A luminous external water cutter using a flexible light guide and an external light source as claimed in claim 2, characterized in that the water cutter body includes:

The connecting part is used for snapping onto the car door;

Metal decorative strips, which are clipped on the outer surface of the connecting part;

A light-emitting part is connected between the connecting part and the metal trim strip, and the light-emitting part is made of transparent material.
A luminous external water cutter using a flexible light guide and an external light source as claimed in claim 1, characterized in that the entire water cutter body is made of light-transmitting material.
A luminous external water cutter using a flexible light guide and an external light source as claimed in claim 2, characterized in that, the water cutter body includes:

The connecting part is used for snapping onto the car door;

Metal decorative strips, which are clipped on the outer surface of the connecting part;

The connection part includes a main body part and a light-emitting part. The main body part and the light-emitting part are integrated. The light-emitting part is composed of a reflective connection part and a light-transmitting part. A mounting hole is formed between the reflective connection part and the light-transmitting part. for the flexible light guide to pass through.
A luminous external water shear using a flexible light guide and an external light source according to claim 5, characterized in that the material of the main body part is black thermoplastic vulcanized rubber, and the material of the light-transmitting part is thermoplastic polyurethane elastomer rubber, The material of the reflective connection part is styrenic thermoplastic elastomer.
A kind of luminous external water shear using a flexible light guide and an external light source as claimed in claim 1, characterized in that the light source module includes:

LED lights connected to the ends of the flexible light guides;

A radiator, which is connected to the LED lamp;

A sealed housing wrapped around the outside of the LED lamp and the heat sink;

Wire harness, which is connected to the other end of the LED etc.
A luminous external water shear using a flexible light guide and an external light source as claimed in claim 1, characterized in that the flexible light guide includes an inner core made of transparent glass fiber or plastic fiber and is wrapped around the outside of the inner core. The skin is made of light-transmitting material.
A luminous external water shear using a flexible light guide and an external light source as claimed in claim 1, characterized in that at least one end of the flexible light guide is connected to a light source module, a fixing member is provided on the water shear body, and the flexible light guide is The light guide enters the interior of the automobile door around the fixing member.
A light-emitting external water shear using a flexible light guide and an external light source as claimed in claim 1, characterized in that there are at least two flexible light guides, and the ends of the two flexible light guides are connected to the light source module. On the assembly, the light source module is connected at the middle position of the car door.