Vehicle ceiling tuyere mounting structure and vehicle ceiling structure

Abstract

The utility model provides a vehicle ceiling air opening installation structure and a vehicle ceiling structure. The utility model relates to a vehicle ceiling air opening installation structure which comprises an assembly frame embedded in a bearing piece on a ceiling body. At least one first clamping part is arranged in a gap between the assembling frame and the bearing piece, each first clamping part comprises a base plate part and a tongue plate part which are elastically connected with each other, and at least one second clamping part is arranged in the circumferential direction of the assembling frame. According to the vehicle ceiling air opening installation structure, the first clamping part and the second clamping part are arranged, so that the assembly frame and the air opening function piece can be stably and fixedly connected into the bearing piece of the ceiling body, the air opening fixing stability is improved to a certain degree, the air opening is prevented from falling off when a safety air bag pops up, and the safety of the vehicle ceiling air opening is improved. Therefore, the use quality of the vehicle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle components, and in particular to a vehicle roof air vent installation structure. The utility model also relates to a vehicle roof structure provided with the vehicle roof air vent installation structure. Background Art

[0002] With the continuous development of the automobile and new energy vehicle industries, people are gradually paying more attention to driving comfort while pursuing vehicle driving performance and vehicle safety. The vehicle's air conditioner can produce cooling and deliver it to the cabin through air vents, thereby reducing the temperature inside the car and improving the driving experience and comfort of the driver and passengers. Usually, in addition to air vents at the driver's position and the co-pilot's seat, air vents are also provided on both sides of the ceiling at the top of the rear row of the cabin to provide cold air to the rear passengers. In order to ensure the safety of the passengers, airbags are usually provided on both sides of the ceiling at the top of the rear row of the cabin. When the vehicle collides, the airbags can pop out into the cabin to protect the safety of the passengers in the cabin.

[0003] The installation structure of the vehicle roof vent used in the prior art is usually provided with an integrally formed tenon on the vent structure. During the installation of the vent, the tenon can clamp the vent to the vehicle roof to fix it. However, since the tenon and the vent structure body are usually integrally formed plastic parts, the structural strength is limited, resulting in poor fixing stability of the vent. In particular, when the vent and the airbag are both integrated on the vehicle roof and the distance between the two installation positions is close, the vent is easily detached during the detonation and ejection of the airbag, causing harm to passengers in the vehicle. Utility Model Content

[0004] In view of this, the utility model aims to provide a vehicle roof air vent installation structure to improve the stability of the air vent fixation, thereby improving the use quality of the vehicle.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A vehicle roof vent installation structure, comprising an assembly frame, nested in a receiving member on a ceiling body, the assembly frame being provided with an vent functional member; at least one first clamping portion, arranged in a gap between the assembly frame and the receiving member, and capable of elastic deformation in the width direction of the gap; the first clamping portion comprises a base plate portion and a tongue plate portion elastically connected to each other, the base plate portion can be inserted upward from the bottom of the assembly frame and non-returnably retained on a side of the assembly frame facing the receiving member; the tongue plate portion can be pressed close to the base plate portion, and move downward from the top of the receiving member and non-returnably retained on a side of the receiving member facing the assembly frame; at least one second clamping portion, arranged in the circumferential direction of the assembly frame at a distance from the first clamping portion; the second clamping portion is constructed to be detachably connected in the gap between the assembly frame and the receiving member; when the second clamping portion is removed and a lifting force is applied to the assembly frame at that location, the local gap becomes larger.

[0007] Furthermore, the first clamping parts are arranged to be a plurality of parts distributed on two length sides of the assembly frame.

[0008] Furthermore, the second clamping portion is arranged at a corner point of the width side of the assembly frame.

[0009] Furthermore, the second clamping portion adopts an elastic clamp.

[0010] Furthermore, the base plate portion and the tongue plate portion are configured into a "V" shape due to elastic connection.

[0011] Furthermore, a first non-return portion is arranged on the substrate portion, the first non-return portion extends in the opposite direction along the insertion direction of the substrate portion, and is arranged at an angle to the plane where the substrate portion is located; an insertion groove is formed on the side of the assembly frame facing the receiving member to allow the substrate portion to be inserted; a snap-in hole is formed on the groove wall constituting the insertion groove, and the snap-in hole allows the first non-return portion that is inserted with the substrate portion to be snapped in.

[0012] Furthermore, a second non-return portion is fixed on the tongue plate portion; a blocking portion is formed on the side of the receiving member facing the assembly frame; when the tongue plate portion is squeezed close to the base plate portion and moves downward from the top of the receiving member, the second non-return portion passes over the blocking portion and cooperates with the blocking portion to block the receiving member.

[0013] Furthermore, the pushing portion is fixed on the tongue plate portion and extends from the tongue plate portion to the base plate portion to limit the displacement amount of the tongue plate portion being pressed close to the base plate portion.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The vehicle roof air vent installation structure described in the utility model can stably fix the assembly frame and the air vent functional parts in the receiving part of the ceiling body through the provision of the first clamping part and the second clamping part, thereby improving the stability of the air vent fixation to a certain extent and preventing the air vent from falling off when the airbag is popped out, thereby improving the use quality of the vehicle.

[0016] A plurality of first clamping parts are arranged on two length sides of the assembly frame. By increasing the number of the first clamping parts, the connection strength between the assembly frame and the receiving member is further improved, thereby improving the stability of the air outlet fixation.

[0017] The second clamping portion is arranged at the corner point of the width side of the assembly frame. When the assembly frame is disassembled, a lifting force is applied to the second clamping portion, that is, the corner point of the width side of the assembly frame, so as to increase the gap between the assembly frame and the receiving part, so as to facilitate the disassembly of the assembly frame and thus facilitate the maintenance of the air outlet installation structure.

[0018] The second clamping part adopts an elastic clamp, which has a simple and reliable structure and can realize the installation and disassembly of the assembly frame, thereby facilitating the assembly and maintenance of the air outlet installation structure.

[0019] The base plate portion is elastically connected to the tongue plate portion and is constructed in a "V" shape, so that the angle formed by the base plate portion and the tongue plate portion can guide the assembly frame into the lining member, which is beneficial for assembling the assembly frame.

[0020] A first non-return portion is provided on the base plate portion, and a certain angle is formed between the first non-return portion and the plane where the base plate portion is located, and the first non-return portion extends in the opposite direction to the insertion direction of the base plate portion. At the same time, an insertion groove for inserting the base plate portion is provided on the side of the assembly frame facing the receiving member, and a clamping hole is provided on the groove wall of the insertion groove. When the base plate portion is inserted into the insertion groove, the first non-return portion can be clamped into the clamping hole, thereby limiting the movement of the first clamping portion, improving the connection stability between the first clamping portion and the assembly frame, and thus improving the overall fixing stability of the air outlet mounting structure.

[0021] A second check portion is provided on the tongue portion, and at the same time, a blocking portion is provided on the side of the receiving part facing the assembly frame. When the assembly frame is assembled on the receiving part, when the tongue portion is squeezed by the receiving part and approaches the base plate portion, the second check portion can pass over the blocking portion, and at the same time, the second check portion can be blocked by the blocking portion to limit the first clamping portion from detaching from the receiving part, thereby improving the connection stability between the first clamping portion and the receiving part, and improving the overall fixing stability of the air outlet mounting structure.

[0022] A pushing portion is provided on the tongue plate portion and extends toward the base plate portion to limit the displacement of the tongue plate portion toward the base plate portion, thereby preventing the tongue plate portion from being displaced too much due to excessive squeezing, thereby preventing the connection between the tongue plate portion and the base plate portion from being damaged, resulting in a decrease in the structural strength of the first clamping portion, thereby ensuring the connection stability between the assembly frame and the receiving member.

[0023] Another object of the utility model is to provide a vehicle roof structure.

[0024] The vehicle roof structure comprises a roof body, on which the vehicle roof air vent mounting structure as described above is mounted.

[0025] Furthermore, an airbag is assembled in the ceiling body, and the assembly frame is arranged above the airbag explosion area.

[0026] The vehicle roof structure described in the utility model, by providing the above-mentioned vehicle roof air vent installation structure, has the technical advantages possessed by the above-mentioned vehicle roof air vent installation structure, and can prevent the air vent from falling off due to the popping out of the airbag and causing harm to the passengers in the car, thereby improving the safety of the vehicle and thus improving the use quality of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0028] Figure 1 This is a schematic diagram of the overall structure of the vehicle roof air vent installation structure according to the first embodiment of the utility model;

[0029] Figure 2 An exploded view of the vehicle roof vent installation structure according to the first embodiment of the utility model;

[0030] Figure 3 This is a schematic diagram of the assembly of the assembly frame, the receiving member, the first clamping part and the second clamping part according to the first embodiment of the utility model;

[0031] Figure 4 This is a bottom view of the vehicle roof vent installation structure according to the first embodiment of the utility model;

[0032] Figure 5 For the utility model Figure 4 Cross-section at the AA position;

[0033] Figure 6 For the utility model Figure 4 Cross-sectional view of the middle BB position;

[0034] Figure 7For the utility model Figure 4 Cross-section at the mid-CC position;

[0035] Figure 8 For the utility model Figure 4 Cross-section at the middle DD position;

[0036] Fig. 9 This is a structural schematic diagram of the first clamping portion according to the first embodiment of the utility model;

[0037] Fig.10 This is a structural schematic diagram of the vehicle roof air vent installation structure from another perspective according to the first embodiment of the utility model;

[0038] Fig.11 This is a structural schematic diagram of the second clamping portion according to the first embodiment of the utility model;

[0039] Description of reference numerals:

[0040] 1. Assembly frame;

[0041] 101, main frame; 102, exterior panel; 103, air vent hole; 104, lamp hole; 105, lamp switch hole; 106, decorative strip; 107, insertion slot; 108, snap-in hole;

[0042] 2. Acceptance parts;

[0043] 201, mounting hole; 202, blocking portion;

[0044] 3. Air outlet functional parts;

[0045] 4. The first clamping unit;

[0046] 401, substrate portion; 4011, first non-return portion; 4012, push portion;

[0047] 402, tongue plate portion; 4021, second anti-return portion;

[0048] 403, push part;

[0049] 5. The second clamping unit. DETAILED DESCRIPTION

[0050] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0051] In the description of the present invention, it should be noted that if there are terms such as "upper", "lower", "inner", "outer" and the like indicating orientation or positional relationship, they are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, if there are terms such as "first" and "second", they are also used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0052] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installation", "connection", "connection" and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0053] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0054] Embodiment 1

[0055] This embodiment relates to a vehicle roof vent installation structure to ensure the fixing effect of the vehicle roof vent. In terms of overall structure, Figure 1 , Figure 2 and Figure 3 As shown, the vehicle ceiling air vent installation structure of this embodiment includes an assembly frame 1, a receiving member 2, a first clamping portion 4 and a second clamping portion 5.

[0056] The assembly frame 1 is nested in the receiving part 2 on the ceiling body, and an air outlet functional part 3 is arranged on the assembly frame 1, and the cold air generated by the vehicle air conditioner can be blown into the vehicle compartment through the air outlet functional part 3.

[0057] At least one first clamping portion 4 is provided in the gap between the assembly frame 1 and the receiving member 2, and the first clamping portion 4 can be elastically deformed in the width direction of the gap, so that the assembly frame 1 can be nested and assembled in the receiving member 2 through the first clamping portion 4. The first clamping portion 4 includes a base plate portion 401 and a tongue plate portion 402 elastically connected to each other, and the base plate portion 401 can be inserted upward from the bottom of the assembly frame 1 and non-returnably retained on the side of the assembly frame 1 facing the receiving member 2, so as to achieve the fixation of the first clamping portion 4 and the assembly frame 1. The tongue plate portion 402 can be pressed close to the base plate portion 401, move downward from the top of the receiving member 2 and non-returnably retained on the side of the receiving member 2 facing the assembly frame 1, so as to achieve the fixation of the first clamping portion 4 and the receiving member 2.

[0058] In addition, the second clamping portion 5 is arranged at an interval with the first clamping portion 4 in the circumferential direction of the assembly frame 1, and the second clamping portion 5 is constructed to be detachably connected in the gap between the assembly frame 1 and the receiving member 2. When the assembly frame 1 is disassembled, the second clamping portion 5 is disassembled and a lifting force is applied to the assembly frame 1 at that location, that is, the location where the second clamping portion 5 is arranged, and the gap between the local assembly frame 1 and the receiving member 2 becomes larger, so as to facilitate the disassembly operation when the air outlet mounting structure is inspected and repaired.

[0059] As described above, by providing the first clamping portion 4 and the second clamping portion 5, the assembly frame 1 and the air vent functional component 3 can be stably fixed in the receiving component 2 of the vehicle roof body, thereby improving the stability of the air vent fixation to a certain extent, preventing the air vent from falling off due to the ejection of the airbag, and thus improving the use quality of the vehicle.

[0060] Based on the above overall introduction, specifically, Figure 2 As shown, the assembly frame 1 of this embodiment is a frame structure, and it includes a main frame 101 and an outer decorative plate 102 arranged on the main frame 101. A plurality of spaced reinforcing ribs are arranged on the outer periphery of the main frame 101, and the reinforcing ribs connect the outer decorative plate 102 to improve the structural strength of the outer decorative plate 102 and the main frame 101, that is, the assembly frame 1 as a whole. Specifically, the interior of the main frame 101 is divided into two areas, which are used to install the air outlet functional parts 3 and the lamps respectively. Correspondingly, the outer decorative plate 102 is also provided with air outlet holes 103, lamp holes 104 and lamp switch holes 105 corresponding to the two areas respectively. In the specific implementation, a decorative strip 106 is provided at the lamp switch hole of the outer decorative plate 102, and the decorative strip 106 adopts the electroplating decorative strip 106 well known to those skilled in the art to improve the aesthetics of the outer decorative plate 102.

[0061] In addition, the receiving member 2 of this embodiment is an annular plate, which facilitates the assembly frame 1 to be nested in the receiving member 2, and the receiving member 2 is provided with a plurality of installation holes 201 arranged at intervals on the circumference, which can be installed on the ceiling body through the installation holes 201 and by riveting, screwing, etc. When the vehicle ceiling air vent installation structure of this embodiment is installed on the ceiling body, the ceiling body is clamped between the receiving member 2 and the assembly frame 1. In specific implementation, the air vent functional member 3 has a plurality of openable and closable blades to control the closing and opening of the air vent.

[0062] In addition, it can be understood that after the vehicle ceiling air vent installation structure of this embodiment is installed on the ceiling body, the ceiling body is located between the assembly frame 1 and the receiving member 2. The ceiling body is omitted in the drawings of this embodiment.

[0063] In order to further improve the connection strength between the assembly frame 1 and the receiving member 2 and improve the stability of the air outlet installation structure, as shown in FIG. Figure 4As shown, in this embodiment, a plurality of first clamping portions 4 are provided on two length sides of the assembly frame 1, and the connection points between the assembly frame 1 and the receiving member 2 are increased, thereby improving the connection strength between the assembly frame 1 and the receiving member 2. In a specific implementation, two first clamping portions 4 are provided on one length side of the assembly frame 1, and only one first clamping portion 4 is provided on the other length side.

[0064] In order to facilitate the disassembly of the assembly frame 1 and facilitate the inspection and maintenance of the air outlet installation structure, in this embodiment, the second clamping portion 5 is arranged at the corner point of the width side of the assembly frame 1, and the corner point is the corner point where the width side intersects with the length side having only one first clamping portion 4. In addition, in a specific implementation, a protrusion extending away from the assembly frame 1 is arranged on another width side of the assembly frame 1 opposite to the width side having the second clamping portion 5, and the protrusion can fix the assembly frame 1 and improve the stability of the assembly frame 1.

[0065] It can be understood that when the first clamping portion 4 and the second clamping portion 5 are Figure 4 In the arrangement shown, during the process of installing the assembly frame 1 on the receiving member 2, the protrusion is first extended into the receiving member 2 and abutted against one side of the receiving member 2, so that the width side where the protrusion is located can be used as the rotation axis of the assembly frame 1 to rotate the assembly frame 1 and embed the assembly frame 1 into the receiving member 2. At this time, the first clamping portion 4 and the second clamping portion 5 are both clamped in the gap between the assembly frame 1 and the receiving member 2 to achieve fixation.

[0066] When the assembly frame 1 is disassembled, by setting the second clamping portion 5 at the above-mentioned corner point, a lifting force can be applied to the position of the assembly frame 1 corresponding to the corner point to enlarge the local gap, that is, the gap around the corner point is enlarged, so that the assembly frame 1 at the corner point is lifted to a certain extent, so as to facilitate the disassembly of the assembly frame 1 and facilitate the inspection and maintenance of the air outlet mounting structure.

[0067] Since the second clamping part 5 is located at a breakthrough point for disassembling the assembly frame 1, in order to enable the second clamping part 5 to be repeatedly disassembled from the receiving member 2, the second clamping part 5 of this embodiment adopts an elastic clip, which has a simple and reliable structure and can realize the installation and disassembly of the assembly frame 1. In specific implementation, the elastic clip can be formed by bending a metal sheet with good elasticity, which improves the structural strength of the second clamping part 5 and ensures that the second clamping part 5 still has good elasticity when it is used for a long time, so as to ensure the fixing effect of the assembly frame 1.

[0068] In order to facilitate the installation of the assembly frame 1 into the receiving member 2 and facilitate the tongue plate portion 402 to be squeezed and close to the base plate portion 401, in this embodiment, Fig. 9As shown, the base plate portion 401 and the tongue plate portion 402 of the first clamping portion 4 are configured into a "V" shape due to elastic connection, that is, the base plate portion 401 and the tongue plate portion 402 form a sharp angle. Specifically, the sharp angle of the "V"-shaped structure is located at the end of the base plate portion 401 away from the assembly frame 1, and the sharp angle can serve as a guide surface, so that the assembly frame 1 can be aligned with the opening on the receiving member 2 during the process of embedding and installing the assembly frame 1 into the receiving member 2, and at the same time, one side of the receiving member 2 can smoothly squeeze the tongue plate portion 402, so that the first clamping portion 4 is elastically deformed in the width direction of the gap, thereby facilitating the assembly operation of the assembly frame 1. In specific implementation, the first clamping portion 4 can be formed by bending a metal sheet with good elasticity, which improves the structural strength of the first clamping portion 4 while making the tongue plate portion 402 have good elasticity.

[0069] In order to achieve the effect of preventing the substrate 401 from turning back and being fixed on the side of the assembly frame 1 facing the receiving member 2, as shown in FIG. Figure 3 , Figure 5 and Fig. 9 As shown, in this embodiment, the substrate portion 401 is provided with a first non-return portion 4011, which extends in the opposite direction of the insertion direction of the substrate portion 401 and is arranged at an angle to the plane where the substrate portion 401 is located. At the same time, an insertion slot 107 for inserting the substrate portion 401 is formed on the side of the assembly frame 1 facing the receiving member 2, and a clamping hole 108 is provided on the slot wall of the insertion slot 107, so that the first non-return portion 4011 is inserted into the insertion slot 107 and clamped in the clamping hole 108, thereby achieving the fixation between the first clamping portion 4 and the assembly frame 1.

[0070] In specific implementation, Figure 6 , Fig. 9 As shown, the substrate portion 401 is further provided with a push portion 4012, which can extend in the opposite direction of the slot wall away from the insertion slot 107 and the insertion direction of the substrate portion 401, and the push portion 4012 can push the insertion slot 107 to make the substrate portion 401 close to the slot wall to prevent the first check portion 4011 from escaping from the clamping hole 108. It is worth mentioning that Fig.11 As shown, the second clamping portion 5 has a similar structure to the first clamping portion 4 , and also has a first non-return portion 4011 and a pushing portion 4012 .

[0071] In order to achieve the effect of preventing the tongue plate portion 402 from returning to the side of the receiving member 2 facing the assembly frame 1, as shown in FIG. Figure 6 , Figure 8 , Fig. 9 and Fig.10As shown, in the present embodiment, a second check portion 4021 is provided on the tongue portion 402, and a blocking portion 202 is provided on the side of the receiving member 2 facing the assembly frame 1. Because the tongue portion 402 is squeezed close to the base plate portion 401, when it moves downward from the top of the receiving member 2, the second check portion 4021 can pass over the blocking portion 202, so that the second check portion 4021 cooperates with the blocking portion 202, and the blocking portion 202 restricts the tongue portion 402 from separating from the receiving member 2. Thereby, the fixation between the first clamping portion 4 and the receiving member 2 is achieved. In a specific implementation, the two side portions of the tongue portion 402 are formed into two second check portions 4021 through a stamping process. In addition, as Figure 7 As described above, since the second clamping portion 5 is not provided with the second non-return portion 4021 , it is convenient to realize the disassembly operation between the assembly frame 1 and the receiving member 2 .

[0072] In order to prevent the tongue plate portion 402 from being over-extruded, causing damage to the connection between the tongue plate portion 402 and the base plate portion 401, resulting in a decrease in the structural strength of the first clamping portion 4, or making it difficult for the tongue plate portion 402 to be reset and unable to make the second non-return portion 4021 cooperate with the blocking portion 202, thereby causing a decrease in the connection stability between the first clamping portion 4 and the receiving member 2. Therefore, a push portion 403 is provided on the tongue plate portion 402 of this embodiment, and extends from the tongue plate portion 402 to the base plate portion 401 to limit the displacement of the tongue plate portion 402 being pressed close to the base plate portion 401, thereby preventing the tongue plate portion 402 from being over-extruded.

[0073] In summary, the vehicle roof air vent installation structure of the present embodiment, through the provision of the first clamping part 4 and the second clamping part 5, can stably fix the assembly frame 1 and the air vent functional part 3 in the receiving part 2 of the vehicle roof body, thereby improving the stability of the air vent fixation to a certain extent, preventing the air vent from falling off due to the ejection of the airbag, thereby improving the use quality of the vehicle.

[0074] Embodiment 2

[0075] The present embodiment relates to a vehicle roof structure. In terms of overall structure, the vehicle roof structure comprises a roof body, on which the vehicle roof air vent mounting structure as described in the first embodiment is mounted.

[0076] As described above, by providing the vehicle roof air vent installation structure as described in the first embodiment, the vehicle roof structure of this embodiment has the technical advantages possessed by the above-mentioned vehicle roof air vent installation structure.

[0077] Specifically, the ceiling body of this embodiment is equipped with an airbag. In order to further prevent the above-mentioned vent installation structure, that is, the assembly frame 1 provided with the vent functional part 3, from being separated from the ceiling body and causing harm to the passengers in the vehicle due to the popping out of the airbag on the vehicle ceiling. To this end, in this embodiment, the assembly frame 1 is arranged above the airbag explosion area, so that the assembly frame 1 is difficult to be separated from the ceiling body due to the popping out of the airbag, thereby ensuring the safety of the passengers in the vehicle. In specific implementation, the arrangement position of the assembly frame 1 should be higher than the screw connection point of the handle on the vehicle ceiling to achieve the best fixing effect.

[0078] The vehicle roof structure of this embodiment improves the safety of the vehicle by providing the vehicle roof air vent installation structure as described in the first embodiment, thereby improving the use quality of the vehicle and having good practicality.

[0079] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle roof vent installation structure, characterized in that: include: An assembly frame (1) is nested in a receiving member (2) on a ceiling body, and an air outlet functional member (3) is disposed on the assembly frame (1); At least one first clamping portion (4) is arranged in the gap between the assembly frame (1) and the receiving member (2) and is capable of elastic deformation in the width direction of the gap; the first clamping portion (4) comprises a base plate portion (401) and a tongue plate portion (402) elastically connected to each other, the base plate portion (401) can be inserted upward from the bottom of the assembly frame (1) and retained on the side of the assembly frame (1) facing the receiving member (2) in a non-returnable manner; the tongue plate portion (402) can be pressed close to the base plate portion (401), and moved downward from the top of the receiving member (2) and retained on the side of the receiving member (2) facing the assembly frame (1) in a non-returnable manner; At least one second clamping portion (5) is arranged on the circumference of the assembly frame (1) at a distance from the first clamping portion (4); the second clamping portion (5) is configured to be detachably connected in the gap between the assembly frame (1) and the receiving member (2); When the second clamping portion (5) is disassembled and a lifting force is applied to the assembly frame (1) at that location, the local gap becomes larger.

2. The vehicle ceiling vent installation structure according to claim 1, characterized in that: The first clamping parts (4) are arranged in a plurality distributed on two length sides of the assembly frame (1).

3. The vehicle ceiling vent installation structure according to claim 2, characterized in that: The second clamping portion (5) is arranged at a corner point of a width side of the assembly frame (1).

4. The vehicle ceiling vent installation structure according to claim 3, characterized in that: The second clamping portion (5) is an elastic clamp.

5. The vehicle ceiling air vent installation structure according to claim 1, characterized in that: The base plate portion (401) and the tongue plate portion (402) are configured in a "V" shape due to elastic connection.

6. The vehicle ceiling vent installation structure according to any one of claims 1 to 5, characterized in that: A first non-return portion (4011) is arranged on the substrate portion (401), the first non-return portion (4011) extends in the opposite direction of the insertion direction of the substrate portion (401), and is arranged at an angle to the plane where the substrate portion (401) is located; An insertion groove (107) is formed on the side of the assembly frame (1) facing the receiving member (2) to allow the base plate portion (401) to be inserted; A snap-in hole (108) is formed on a groove wall constituting the insertion groove (107), and the snap-in hole (108) allows the first non-return portion (4011) inserted along with the base plate portion (401) to be snapped in.

7. The vehicle ceiling vent installation structure according to any one of claims 1 to 5, characterized in that: A second non-return portion (4021) fixed on the tongue plate portion (402); A blocking portion (202) is formed on the side of the receiving member (2) facing the assembly frame (1); When the tongue plate portion (402) is pressed close to the base plate portion (401) and moves downward from the top of the receiving member (2), the second non-return portion (4021) passes over the blocking portion (202) and cooperates with the blocking portion (202) to block the tongue plate portion (402).

8. The vehicle ceiling vent installation structure according to claim 7, characterized in that: The pushing portion (403) is fixed on the tongue plate portion (402) and extends from the tongue plate portion (402) toward the base plate portion (401) to limit the displacement of the tongue plate portion (402) when being pressed close to the base plate portion (401).

9. A vehicle roof structure, comprising a roof body, characterized in that: The vehicle ceiling air vent mounting structure according to any one of claims 1 to 8 is mounted on the ceiling main body.

10. The vehicle roof structure according to claim 9, characterized in that: An airbag is installed in the ceiling body, and the assembly frame (1) is arranged above the airbag explosion area.

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