Vehicle-mounted air outlet structure and vehicle

By using a combination of hot-melt connecting blocks and stepped connecting grooves in the car air vents, the problem of weld protrusion affecting aesthetics is solved, achieving stable connection and improved appearance.

CN223999311UActive Publication Date: 2026-03-17NINGBO JIFENG AUTO PARTS
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

Traditional welding methods create weld points on car air vents, affecting aesthetics and interfering with the installation of interior parts, a problem that is difficult to solve with existing technology.

Method used

The connection method combines hot-melt connecting blocks with stepped connecting grooves. The hot-melt connecting blocks melt and fill the receiving part to form a stable mechanical interlocking structure, avoiding weld protrusion and enhancing connection stability.

Benefits of technology

It improves the aesthetics of the air vents, ensures that the installation of interior components is not affected, enhances the stability and durability of the structure, and reduces manufacturing complexity.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223999311U_ABST
    Figure CN223999311U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of vehicle accessories, and provides a vehicle-mounted air outlet structure, a manufacturing method and a vehicle, and the vehicle-mounted air outlet structure comprises a main shell which comprises at least two sets of connecting pieces arranged at intervals, and a plurality of hot melting connecting blocks are arranged on the at least two sets of connecting pieces; and the cover plate is arranged on the outer side wall of the main shell, a stepped connecting groove is formed in the cover plate, and one end of the hot melting connecting block penetrates through the stepped connecting groove and protrudes out of the end face of the stepped connecting groove. Compared with the prior art, the stepped connecting groove is formed in the cover plate, the hot melting connecting block is arranged on the main shell, and the accommodating parts of all layers are filled with hot melting liquid generated after the hot melting connecting block is melted, so that the end part of the hot melting connecting block after being heated and melted is not higher than the end part of the stepped connecting groove; therefore, the attractiveness of the appearance of the welded air outlet is not influenced, the installation of the automobile air outlet and other interior trim parts is not influenced, and the assembly of the air outlet and adjacent parts is not interfered.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of vehicle parts technology, specifically relating to a vehicle air vent structure and a vehicle. Background Technology

[0002] Car air conditioning vents are part of the car's air conditioning system, primarily used to guide conditioned air (cold or warm) from the air conditioning system into the passenger compartment to regulate the interior temperature and improve passenger comfort. Vents are typically located at the front of the dashboard (center console), although some vehicles may also have additional vents on the B-pillars, C-pillars, or under the seats.

[0003] Air vents come in a variety of designs, commonly including round, square, and rectangular shapes. Most vents can be adjusted manually or electrically, allowing passengers to customize the airflow to their needs. Furthermore, some high-end models are equipped with automatic adjustment functions that adjust the airflow and direction based on the set temperature, ensuring a comfortable cabin environment.

[0004] In addition to basic temperature control, automotive air conditioning vents often feature LED strips to enhance their decorative appeal. Traditionally, these LED strips are typically attached to the vent's outer casing using a transparent cover plate, usually welded together. However, this traditional welding method often results in weld points that protrude from the cover plate's surface, significantly impacting the vent's aesthetic appearance after welding. Furthermore, these protruding weld points can interfere with the installation of the air vents on other interior trim components, causing malfunctions and hindering the assembly of adjacent parts. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a vehicle air vent structure and vehicle in light of the current state of the technology.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a vehicle air outlet structure is proposed, including: a main shell, including at least two sets of connecting members arranged at intervals, and multiple hot melt connecting blocks are arranged at intervals on the at least two sets of connecting members;

[0007] A cover plate is disposed on the outer side wall of the main housing. The cover plate has stepped connecting grooves corresponding one-to-one with the hot-melt connecting blocks. One end of each hot-melt connecting block passes through the stepped connecting groove and protrudes from its end face.

[0008] The stepped connecting groove includes layered receiving portions, with a limiting step formed between adjacent receiving portions. The width difference between each layer of receiving portions is 0.3 to 0.5 mm. The portion of the hot-melt connecting block that has been heated and melted fills the receiving portion, so that the end of the hot-melt connecting block that has been heated and melted does not protrude above the end of the stepped connecting groove.

[0009] In the above-mentioned vehicle air vent structure, the stepped connecting groove includes two layers of receiving portions. Along the direction away from the main housing, a first gap and a second gap are respectively formed between the two layers of receiving portions and the hot-melt connecting block, and the first gap is smaller than the second gap.

[0010] In the aforementioned vehicle air vent structure, the first gap is 0.5 to 0.6 mm, and the second gap is 0.8 to 1 mm.

[0011] In one of the vehicle-mounted air vent structures described above, the receiving portion near the main housing has a chamfer.

[0012] In the aforementioned vehicle-mounted air vent structure, the cross-section of the thermoplastic connector is rectangular, and the shape of the receiving portion is adapted to the shape of the thermoplastic connector.

[0013] In one of the above-mentioned vehicle air vent structures, vertical ribs are provided on the outer side wall of the heat-melting connection block. The vertical ribs are used to guide the part of the heat-melting connection block that has been heated and melted into the receiving part near the side of the main housing.

[0014] In one of the above-mentioned vehicle air vent structures, the hot-melt connecting blocks on at least two sets of the connecting members are staggered along the height direction of the main housing.

[0015] In one of the above-mentioned vehicle air vent structures, the cover plate extends in a direction away from the main housing to form a groove, and an installation space is formed between the groove and the main housing, and a light strip is fixed in the installation space.

[0016] This utility model also proposes a vehicle that solves the above-mentioned technical problems, including the above-mentioned vehicle-mounted air vent structure.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] (1) By setting a stepped connecting groove on the cover plate and setting a hot melt connecting block on the main housing, the hot melt liquid generated after the hot melt connecting block melts fills each layer of the receiving part, so that the end of the hot melt connecting block after being heated and melted is not higher than the end of the stepped connecting groove, so as not to affect the aesthetic appearance of the air outlet after welding, and not to affect the installation of the car air outlet and other interior parts, and not to interfere with the assembly of the air outlet and adjacent parts.

[0019] (2) The design that the first gap is smaller than the second gap can form a limiting structure that abuts against one side of the cover plate at the end of the cover plate away from the main shell after the main shell and the cover plate are heat-fused together. This limiting structure can effectively prevent the cover plate from separating away from the main shell.

[0020] (3) The staggered distribution of the hot-melt connecting blocks can provide support in multiple directions, avoiding structural failure caused by single-point stress. This multi-directional support enhances the stability and durability of the overall structure. Attached Figure Description

[0021] Figure 1 This is a perspective view of a vehicle-mounted air vent structure according to the present invention;

[0022] Figure 2 yes Figure 1 The floor plan;

[0023] Figure 3 yes Figure 2 Sectional view along the middle AA direction;

[0024] Figure 4 This is a three-dimensional view of the main shell;

[0025] Figure 5 This is a 3D view of the cover plate.

[0026] In the figure, 100 is the main housing; 110 is the hot-melt connecting block; 111 is the vertical rib; 200 is the cover plate; 210 is the stepped connecting groove; 220 is the groove; 230 is the first gap; 240 is the second gap; and 300 is the light strip. Detailed Implementation

[0027] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0028] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0029] like Figures 1 to 5 As shown, this solution mainly focuses on the detailed description of the vehicle-mounted air vent structure, which is used in vehicles such as cars and buses.

[0030] A vehicle-mounted air vent structure includes: a main housing 100 and a cover plate 200.

[0031] Specifically, the main housing 100 can serve as a carrier for the vehicle's air vent, connecting with adjacent components inside the vehicle, or it can be part of the main structure of the vehicle's air vent. The cover plate 200 is attached to the outer wall of the main housing 100. Preferably, the cover plate 200 extends away from the main housing 100 to form a groove 220, creating an installation space between the groove 220 and the main housing 100. This installation space is designed as a mounting location for the light strip 300, used to fix the light strip 300 to the main housing 100.

[0032] The main housing 100 is provided with connectors for connecting the main housing 100 and the cover plate 200. There are at least two sets of these connectors to ensure a tight connection between the main housing 100 and the cover plate 200, and to prevent the cover plate 200 from falling off the main housing 100 due to road bumps or failure of some connectors during vehicle operation.

[0033] Each set of connectors is provided with multiple heat-fusion connecting blocks 110 spaced apart, and the cover plate 200 is provided with stepped connecting grooves 210 corresponding to the heat-fusion connecting blocks 110. The heat-fusion connecting blocks 110 are designed to melt during heating and fill the stepped connecting grooves 210 on the cover plate 200, forming a stable mechanical interlocking structure between the main housing 100 and the cover plate 200.

[0034] The hot-melt connecting block 110 is preferably integrally formed with the main housing 100 and produced by injection molding.

[0035] During installation of the vehicle-mounted air vent, one end of the heat-fusion connecting block 110 is first inserted through the stepped connecting groove 210, protruding from the end face of the stepped connecting groove 210, thus completing the initial positioning of the cover plate 200 on the main housing 100. The stepped connecting groove 210 includes layered receiving portions, with limiting steps formed between adjacent receiving portions. After the cover plate 200 is initially positioned on the main housing 100, the heat-fusion connecting block 110 is heated and melted using a heating device or welding device. The width difference between each layer of receiving portion is 0.3 to 0.5 mm, and the distance from the end of the heat-fusion connecting block 110 penetrating the stepped connecting groove 210 to the end face of the stepped connecting groove 210 does not exceed 0.8 mm. The hot melt liquid generated after the hot melt connecting block 110 melts fills each layer of the receiving part, so that the end of the hot melt connecting block 110 after being heated and melted is not higher than the end of the stepped connecting groove 210, so as not to affect the aesthetic appearance of the air outlet after welding, and not to affect the installation of the car air outlet and other interior parts, and not to interfere with the assembly of the air outlet and adjacent parts.

[0036] In one embodiment, the stepped connecting groove 210 includes two receiving portions. Along the direction away from the main housing 100, a first gap 230 and a second gap 240 are formed between the two receiving portions and the hot-melt connecting block 110, respectively. The first gap 230 is smaller than the second gap 240.

[0037] Both the first gap 230 and the second gap 240 are used to fill the hot-melt connecting block 110 after hot melting.

[0038] The design of the first gap 230 being smaller than the second gap 240 allows for the formation of a limiting structure at the end of the cover plate 200 away from the main housing 100 after the main housing 100 and the cover plate 200 are thermally fused together. This limiting structure effectively prevents the cover plate 200 from separating away from the main housing 100. Specifically, the smaller first gap 230 allows the thermally fused connecting block 110 to fill the area more tightly after melting, thus creating a mechanical locking effect at the end of the cover plate 200 away from the main housing 100. This locking effect prevents the cover plate 200 from moving outward or falling off under external force through physical restriction.

[0039] Furthermore, by designing the first gap 230 to be smaller than the second gap 240, the bonding strength between the cover plate 200 and the main housing 100 can be significantly improved without significantly increasing manufacturing complexity. Specifically, a smaller first gap 230 means that the thermoplastic connector 110 fills the area more tightly, thereby increasing the contact area and bonding strength between the materials. This design not only improves the stability of the initial assembly but also maintains a high bonding strength during long-term use, reducing the risk of loosening or detachment due to vibration or other external factors.

[0040] Preferably, the first gap 230 is 0.5 to 0.6 mm and the second gap 240 is 0.8 to 1 mm.

[0041] In another embodiment, a chamfer is provided on the receiving portion near the main housing 100. This chamfer is used to expand the capacity of the stepped connecting groove 210, thereby increasing the bonding force between the cover plate 200 and the main housing 100, and further ensuring that the molten connecting block 110 does not protrude above the end face of the stepped connecting groove 210 after melting.

[0042] Reference Figure 3 and Figure 4 The hot-melt connecting block 110 has a flat cubic structure with a rectangular cross-section, and the shape of the receiving part is adapted to the shape of the hot-melt connecting block 110.

[0043] In the manufacturing process of components, especially in the unibody molding process of plastic parts, regular cubic and cylindrical structures are easier to produce. Designing the hot-melt connecting block 110 as a cubic structure can reduce the manufacturing difficulty of the main housing 100, thereby reducing the manufacturing cost of the entire vehicle air vent structure.

[0044] Reference Figure 4Vertical ribs 111 are provided on the outer side wall of the hot melt connection block 110. The vertical ribs 111 are used to guide the part of the hot melt connection block 110 that is melted by heat into the receiving part near the main housing 100.

[0045] The vertical ribs 111 serve to guide the flow of the hot-melt connector 110 after heat fusion, allowing it to flow into the receiving portion near the main housing 100, and also enhance the structural strength of the hot-melt connector 110. The vertical ribs 111 can be straight or spirally distributed around the circumference of the hot-melt connector 110. When the vertical ribs 111 are spiral, their helix angle is 30° to 40°.

[0046] Reference Figure 4 At least two sets of connectors have their thermoplastic connecting blocks 110 staggered along the height of the main housing 100 on the main housing 100.

[0047] The staggered distribution of the thermoplastic connectors 110 enhances the mechanical interlocking effect between the main housing 100 and the cover plate 200. Through this staggered arrangement, the thermoplastic connectors 110 provide support in multiple directions, preventing structural failure caused by single-point stress. This multi-directional support enhances the overall structural stability and durability.

[0048] Furthermore, the staggered distribution allows the heat-fused connector 110 to evenly distribute stress during heating and melting. If the heat-fused connector 110 is arranged in a neat and orderly manner, it may lead to local stress concentration, thereby affecting the connection strength. The staggered distribution, on the other hand, allows the stress to be distributed more evenly at each connection point, reducing the risk of deformation or breakage due to excessive local stress.

[0049] Furthermore, the staggered distribution of the heat-fused connecting blocks 110 allows for better dispersion of impact force when subjected to external impacts. Because each connecting block is positioned differently, they can absorb and disperse impact energy in different directions, thereby improving the overall impact resistance of the assembly.

[0050] It should be noted that in this utility model, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly defined. The terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two elements or the interaction between two elements, unless otherwise explicitly defined. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0051] Furthermore, the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the protection scope claimed by this utility model.

[0052] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A vehicle-mounted air outlet structure, characterized by comprising: The application relates to a vehicle-mounted air outlet structure. The main shell comprises at least two groups of connecting members arranged at intervals, and a plurality of hot-melt connecting blocks are arranged on the at least two groups of connecting members at intervals. A cover plate is arranged on the outer side wall of the main shell, and the cover plate is provided with stepped connecting grooves corresponding to the hot-melt connecting blocks one by one, one end of the hot-melt connecting block penetrates through the stepped connecting groove and protrudes from the end face of the stepped connecting groove; wherein The stepped connecting groove comprises layered accommodating portions, and a limiting step is formed between adjacent accommodating portions of the stepped connecting groove, the width difference of each layer of accommodating portions is 0.3-0.5 mm, and the hot-melt connecting block is filled with the accommodating portion after being heated and melted, so that the end part of the hot-melt connecting block after being heated and melted does not protrude from the end part of the stepped connecting groove.

2. The vehicle air outlet structure according to claim 1, wherein The stepped connecting groove comprises two layers of the accommodating portions, and first and second gaps are respectively formed between the two layers of the accommodating portions and the hot-melt connecting block in the direction away from the main shell, and the first gap is smaller than the second gap.

3. The vehicle defroster air outlet structure of claim 2, wherein, The first gap is 0.5-0.6 mm.

4. The vehicle defroster air outlet structure of claim 2 wherein, The second gap is 0.8-1 mm.

5. The vehicle defroster air outlet structure of claim 1 wherein, The cross section of the hot-melt connecting block is rectangular, and the shape of the accommodating portion is matched with the shape of the hot-melt connecting block.

6. The vehicle defroster air outlet structure of claim 1 wherein, Vertical ribs are arranged on the outer side wall of the hot-melt connecting block, and the vertical ribs are used for guiding the part of the hot-melt connecting block that is heated and melted into the accommodating portion close to the main shell.

7. The vehicle defroster air outlet structure of claim 1 wherein, The hot-melt connecting blocks on the at least two groups of connecting members are arranged on the main shell in a staggered manner in the height direction of the main shell.

8. The vehicle defroster air outlet structure of claim 1 wherein, The cover plate extends in the direction away from the main shell to form a groove, and the groove and the main shell form a mounting space, and a lamp strip is fixed in the mounting space.

9. A vehicle characterized by comprising: The application relates to a vehicle-mounted air outlet structure. The application relates to a vehicle-mounted air outlet structure.