Warp ventilation system and vehicle

Abstract

The invention provides a tilting ventilation system. The tilting ventilation system comprises a bottom plate, a tilting cover plate, at least one ventilation pipe and a driving mechanism. The bottom plate is fixedly connected to a car roof; the upwarp cover plate is hinged to the bottom plate, the upwarp cover plate and the bottom plate define a pull-away cavity, and the rear end of the upwarp cover plate can be upwarped so that the pull-away cavity can be communicated with the outside; the ventilation pipe is used for communicating the extraction cavity with the space in the vehicle; the driving mechanism is arranged on the bottom plate and is used for driving the rear end of the tilting cover plate to tilt for opening or return for closing; when the warped cover plate is opened in the driving process, negative pressure is formed in the extraction cavity so that air in the automobile can be exhausted through at least one ventilation pipe. According to the tilting ventilation system, the requirement for ventilation between the space in the vehicle and the outside can be met, the space of a backdrop area is not occupied, and therefore the daylighting effect and the space in the vehicle can be guaranteed, and the market competitiveness of products can be improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of vehicle ventilation systems, and particularly relates to a tilting ventilation system and a vehicle. Background Art

[0002] Currently, many vehicle models are equipped with tilting ventilation systems, which include but are not limited to large-sized sunroofs, glass skylights, tilting trim panels, etc. When a vehicle with a tilting ventilation system is driving and the ventilation is turned on, it will increase the wind noise inside the vehicle. Moreover, after it is turned on, a large ventilation area will be formed, which will affect the body strength and thus have a certain impact on driving safety. In addition, since the tilting ventilation system needs to increase the internal drainage and overall sealing structure, this will not only compress the internal space and lighting effect of the cockpit, but also lead to an increase in the overall vehicle weight, which conflicts with the lightweight design of the vehicle body.

[0003] In view of the above problems and the many drawbacks of the current tilting ventilation system, it is urgently necessary to develop other effective tilting ventilation solutions to ensure the interior quietness and driving safety of the vehicle and improve the product competitiveness. Summary of the Invention

[0004] An embodiment of the present invention provides a tilting ventilation system, aiming to meet the ventilation and air exchange requirements of the vehicle and ensure driving quietness and safety.

[0005] To achieve the above object, the technical solution adopted by the present invention is: In the first aspect, a tilting ventilation system is provided, which includes a bottom plate, a tilting cover plate, at least one ventilation pipe, and a driving mechanism; the bottom plate is fixedly connected to the front end area or the rear end area of the vehicle roof; the front end of the tilting cover plate is hinged to the bottom plate, the tilting cover plate and the bottom plate enclose a pumping cavity, and the rear end of the tilting cover plate can tilt up to communicate the pumping cavity with the outside; at least one ventilation pipe is arranged at intervals along the vehicle body width direction, the first end of the ventilation pipe is connected to the bottom plate, the second end of the ventilation pipe is connected to the interior roof panel, and the ventilation pipe is used to communicate the pumping cavity and the interior space of the vehicle; the driving mechanism is arranged on the bottom plate, and the output end of the driving mechanism is connected to the tilting cover plate, and is used to drive the rear end of the tilting cover plate to tilt up and open or return to close; wherein, when the tilting cover plate is opened during driving, a negative pressure is formed in the pumping cavity so that the air inside the vehicle is discharged through at least one ventilation pipe.

[0006] In a possible implementation manner, at least two rows of flow guiding fins are provided on the inner wall of the ventilation pipe, each flow guiding fin in each row is sequentially distributed at intervals from the first end to the second end, and the flow guiding fins in each row intersect with each other along the radial direction of the ventilation pipe, and each flow guiding fin extends obliquely from the inner wall of the ventilation pipe towards the first end.

[0007] In some embodiments, a dust-proof cover is provided at the first end, and the dust-proof cover is connected to the bottom plate; an interior grille is provided at the second end, and the interior grille is connected to the interior roof panel.

[0008] In a possible implementation, two mounting grooves are spaced along the vehicle body width direction on the lower plate surface of the tilting cover plate. A lifting plate is slidably connected in each mounting groove along the vehicle body front-rear direction, and the lifting plate and the tilting cover plate are connected by at least one fastener; two hinge seats are spaced along the vehicle body width direction at the rear end of the bottom plate. The front ends of the two lifting plates are respectively hinged to the two hinge seats, and the two lifting plates are respectively connected to the output end of the driving mechanism.

[0009] For example, a sliding fit portion is provided at the rear end of the lifting plate. The sliding fit portion extends along the vehicle body front-rear direction and is inclined up and down; two sliding grooves are provided on the bottom plate. Sliders are respectively slidably connected in the two sliding grooves, and the two sliders are respectively connected to the sliding fit portions of the two lifting plates to form a sliding fit; wherein, the two sliders are respectively connected to the output end of the driving mechanism and move forward and backward synchronously under the drive of the driving mechanism, and the lifting plate swings up and down based on the forward and backward movement of the slider.

[0010] In some embodiments, two connecting ears are provided on the slider. A gap is formed between the two connecting ears for the lower edge of the lifting plate to extend into, and a sliding pin is inserted through the two connecting ears together; the sliding fit portion is a long straight hole suitable for the sliding pin to pass through.

[0011] Exemplarily, a hinge shaft is provided on the hinge seat. The hinge shaft extends toward one side of the hinge seat along the vehicle body width direction. A stop portion is provided on the peripheral wall of the extending end of the hinge shaft. The front end of the lifting plate has a shaft hole suitable for sleeving the hinge shaft. An avoidance groove is provided on the outer periphery of the shaft hole. The avoidance groove communicates with the shaft hole and is suitable for the stop portion to pass through; wherein, within the angle range where the slider drives the lifting plate to swing, the avoidance groove and the stop portion are always misaligned along the circumferential direction of the hinge shaft.

[0012] For example, the driving mechanism includes a rotary driving member and a traction rope; the rotary driving member is fixedly connected to the bottom plate, and a wire winding wheel is sleeved on the output end; the traction rope is wound around the wire winding wheel and is respectively connected to the two sliders; wherein, when the rotary driving member rotates, the traction rope drives the two sliders to slide forward or backward synchronously.

[0013] In some embodiments, guiding members are provided on the bottom plate on the front and rear sides of the two sliding grooves; the traction rope includes two first traction segments and two second traction segments; wherein, the two first traction segments respectively bypass the guiding members on the front sides of the two sliding grooves and are connected to the sliders, and the two first traction segments are wound around the wire winding wheel in the same direction on the front and rear sides of the wire winding wheel respectively. The two second traction segments respectively bypass the guiding members on the rear sides of the two sliding grooves and are connected to the sliders, and the two second traction segments are wound around the wire winding wheel in the same direction on the front and rear sides of the wire winding wheel respectively. The winding direction of the second traction segment is opposite to the winding direction of the first traction segment.

[0014] The beneficial effects of the tilting ventilation system provided by the present invention are as follows: Compared with the prior art, the tilting ventilation system of the present invention is arranged at the front end or the rear end of the vehicle roof, without affecting the size and space of the sunroof of the sunroof vehicle model, thus ensuring that the interior space and lighting effect of the sunroof vehicle model are not affected. Using the bottom plate as the installation base and forming a extraction cavity with the tilting cover plate, during driving, only by driving the rear end of the tilting cover plate to tilt can a negative pressure be formed in the extraction cavity, so that the air inside the vehicle is discharged through the ventilation pipe to achieve ventilation and air exchange. Due to the blocking effect of the bottom plate, it is possible to prevent the direct connection between the interior space of the vehicle and the outside world after the tilting cover plate is opened, thereby reducing the transmission of external wind noise into the vehicle and preventing external dust and impurities from entering the vehicle, ensuring the cleanliness of the vehicle interior and the quietness of driving. At the same time, the connection between the bottom plate and the vehicle roof can also prevent the opening of the tilting cover plate from affecting the strength of the vehicle roof, thus ensuring driving safety.

[0015] In a second aspect, an embodiment of the present invention further provides a vehicle, including the above-mentioned tilting ventilation system.

[0016] Compared with the prior art, the vehicle provided by the embodiment of the present invention can meet the ventilation and air exchange requirements between the interior space of the vehicle and the outside world through the above-mentioned tilting ventilation system, and does not occupy the space of the sunroof area of the sunroof vehicle model, thus ensuring the interior lighting effect and space of the sunroof vehicle model, and helping to improve the market competitiveness of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structure schematic diagram of the tilting ventilation system (with the tilting cover plate partially cut open) provided by the embodiment of the present invention;

[0018] Figure 2 is a three-dimensional structure schematic diagram of the tilting ventilation system from the bottom perspective provided by the embodiment of the present invention;

[0019] Figure 3 is a sectional structure schematic diagram of the tilting ventilation system provided by the embodiment of the present invention;

[0020] Figure 4 is a sectional structure and one-way ventilation principle schematic diagram of the ventilation pipe adopted by the embodiment of the present invention;

[0021] Figure 5 is a partial structure schematic diagram of the tilting ventilation system provided by the embodiment of the present invention in the state where the tilting cover plate is opened;

[0022] Figure 6 is a connection structure schematic diagram of the lifting plate and the installation groove adopted in the embodiment of the present invention;

[0023] Figure 7 is a front view structure schematic diagram of the installation groove adopted by the embodiment of the present invention;

[0024] Figure 8is Figure 1 The partial enlarged structural schematic diagram of position A in

[0025] Figure 9 The connection structural schematic diagram of the lifting plate, hinge seat and slider in the embodiment of the present invention;

[0026] Figure 10 The three-dimensional structural schematic diagram of the slider adopted in the embodiment of the present invention;

[0027] Figure 11 is Figure 9 The partial enlarged structural schematic diagram of position B in

[0028] Figure 12 The structural schematic diagram of the driving mechanism provided by the embodiment of the present invention.

[0029] In the figure: 10, bottom plate; 11, hinge seat; 111, hinge shaft; 112, stop portion; 1121, rib; 1122, extension rib; 12, chute; 13, slider; 131, connecting ear; 132, sliding pin; 14, guide member; 15, sealant; 16, sealing strip; 20, warping cover plate; 200, extraction cavity; 21, installation groove; 211, open slit; 212, limiting plate; 22, lifting plate; 221, sliding fit portion; 222, shaft hole; 223, avoidance groove; 23, fastener; 30, ventilation pipe; 300, guide fins; 301, first end; 302, second end; 31, dust cover; 32, interior grille; 40, driving mechanism; 41, rotary driving member; 411, winding wheel; 42, traction rope; 421, first traction section; 422, second traction section; 50, interior roof panel; 51, in-vehicle reading lamp. Detailed implementation manners

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0031] It should be noted that when an element is referred to as being "disposed on" or "connected to" another element, it can be directly on the other element or indirectly on the other element. It should be understood that the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is 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 thus should not be construed as a limitation to the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more, unless otherwise specifically defined.

[0032] Please refer to Figure 1 and Figure 2 , and a lifting ventilation system provided by the present invention will be described hereinafter. The lifting ventilation system includes a bottom plate 10, a lifting cover plate 20, at least one ventilation pipe 30, and a driving mechanism 40; the bottom plate 10 is fixedly connected to the front end area or the rear end area of the vehicle roof; the front end of the lifting cover plate 20 is hinged to the bottom plate 10, and the lifting cover plate 20 and the bottom plate 10 enclose an evacuation cavity 200, and the rear end of the lifting cover plate 20 can be lifted to communicate the evacuation cavity 200 with the outside; at least one ventilation pipe 30 is arranged at intervals in the vehicle body width direction, the first end 301 of the ventilation pipe 30 is connected to the bottom plate 10, the second end 302 of the ventilation pipe 30 is connected to the interior top plate 50, and the ventilation pipe 30 is used to communicate the evacuation cavity 200 and the vehicle interior space; the driving mechanism 40 is arranged on the bottom plate 10, and the output end of the driving mechanism 40 is connected to the lifting cover plate 20 for driving the rear end of the lifting cover plate 20 to be lifted and opened or returned to close; wherein, when the lifting cover plate 20 is opened during driving, a negative pressure is formed in the evacuation cavity 200 so that the vehicle interior air is discharged through at least one ventilation pipe 30.

[0033] It should be noted that for vehicles with large-sized fixed sunroofs, in the preferred solution of the present embodiment, the floor 10 is preferably installed in front of the sunroof glass on the roof. Specifically, it can be the upper covering structure of the front crossbeam of the cockpit. Of course, the floor 10 can also be fixed behind the sunroof glass on the roof, and specifically can be the upper covering structure of the rear crossbeam of the cockpit. Considering that it is difficult to form the sunroof glass at the front and rear crossbeams, especially at the front crossbeam position, normally, decorative panels are also used to connect in this area for sunroof vehicles. Moreover, considering the body strength, crossbeams are usually arranged at this position, and it is not a lighting area itself. Therefore, from the perspective of the installation position, the tilting cover plate 20 in the present embodiment is actually equivalent to the decorative panel on a conventional sunroof vehicle and does not affect the normal lighting size of the sunroof glass and the interior space of the vehicle at all. At the same time, to ensure the smoothness and beauty of the roof, the tilting cover plate 20 should be flush with the sunroof glass in the closed state. If the sunroof glass is a curved arc surface, the tilting cover plate 20 should also match the curvature of the sunroof glass.

[0034] In addition, for vehicles without sunroofs, the tilting ventilation system provided in this embodiment can also be used to achieve ventilation and air exchange inside the vehicle. At this time, the installation position of the floor 10 is also set in the front end of the roof, that is, the front crossbeam area, or the rear end of the roof and the rear crossbeam area. Specifically, it can be preferably set in the front crossbeam area of the roof to utilize the inclination of the roof itself to meet the drainage requirements of the extraction cavity 200.

[0035] It should be noted that the crossbeam arrangement areas in front of or behind the sunroof glass on the roof are usually of an inclined shape. Therefore, the drainage in the extraction cavity 200 can utilize the drainage of the roof itself. It is only necessary to do a good job in the connection seal between the floor 10 and the roof sheet metal and the seal between the floor 10 and the tilting cover plate 20, and there is no need to re-design the drainage structure. Therefore, it is beneficial to the control of the vehicle weight and cost. Specifically, in the present embodiment, the floor 10 and the body sheet metal are hermetically connected through a sealant 15, and the floor 10 is provided with a sealing strip 16 around its boundary to ensure the sealing of the extraction cavity 200 when the tilting cover plate 20 is closed. Since the sunroof glass is fixedly installed, there is no need to consider the drainage and tilting seal structure, thus avoiding affecting the vehicle weight and meeting the design intention of the sunroof concept.

[0036] It should be understood that based on the Bernoulli effect, after the rear end of the lifting cover plate 20 is lifted and opened during the driving of the vehicle, the air flow flows along the lifting cover plate 20 at a high speed, causing a negative pressure to be formed in the extraction cavity 200. As a result, the air inside the vehicle can be discharged through the ventilation pipe 30 under the action of the pressure difference, and fresh air continuously enters the vehicle through the air inlet inside the vehicle to achieve ventilation and air exchange in the vehicle space. At the same time, since the bottom plate 10 actually serves as a part of the front crossbeam or the rear crossbeam, on the one hand, it can ensure the body structure strength of the panoramic roof vehicle model, and on the other hand, it separates the vehicle interior space from the outside world by using the bottom plate 10, which can prevent external dust and impurities from entering the vehicle after the lifting cover plate 20 is opened, and at the same time form a certain barrier to external wind noise. Therefore, it is beneficial to improve the quietness inside the vehicle during driving.

[0037] Compared with the prior art, the lifting ventilation system provided in this embodiment is arranged in front of or behind the panoramic roof glass, without affecting the size and space of the panoramic roof of the panoramic roof vehicle model, thereby ensuring that the interior space and lighting effect of the panoramic roof vehicle model are not affected. Using the bottom plate 10 as the installation base and forming the extraction cavity 200 with the lifting cover plate 20, during driving, only by driving the rear end of the lifting cover plate 20 to lift through the driving mechanism 40 can a negative pressure be formed in the extraction cavity 200, so that the air inside the vehicle is discharged through the ventilation pipe 30 to achieve ventilation and air exchange. Due to the blocking effect of the bottom plate 10, it can prevent the direct connection between the vehicle interior space and the outside world after the lifting cover plate 20 is opened, thereby reducing the transmission of external wind noise into the vehicle and preventing external dust and impurities from entering the vehicle, ensuring the cleanliness and quietness of the vehicle interior. At the same time, using the connection between the bottom plate 10 and the roof can also prevent the opening of the lifting cover plate 20 from affecting the roof strength, thereby ensuring driving safety.

[0038] In some embodiments, referring to Figure 3 and Figure 4 , at least two rows of flow guiding fins 300 are provided on the inner wall of the ventilation pipe 30. Each flow guiding fin 300 in each row is sequentially spaced from the first end 301 to the second end 302, and the flow guiding fins 300 in each row intersect with each other along the radial direction of the ventilation pipe 30. Each flow guiding fin 300 extends obliquely from the inner wall of the ventilation pipe 30 towards the first end 301.

[0039] Each flow guiding fin 300 forms a barbed structure that intersects with each other on the path of the air flowing from the second end 302 to the first end 301. Specifically, it can be understood that the ventilation pipe 30 forms a structure similar to a Tesla valve based on each flow guiding fin 300. It can not only ensure that the air inside the vehicle enters the extraction cavity 200 under the action of negative pressure extraction, and the obliquely arranged flow guiding fins 300 can reduce the air flow resistance and improve the air outlet efficiency, but also block the reverse entry of external air and noise from the first end 301 to the second end 302 into the vehicle, thereby ensuring the cleanliness and quietness of the vehicle interior.

[0040] Specifically, in this embodiment, the middle part of each flow guiding fin 300 is bent away from the first end 301 so that the flow guiding fin 300 forms an arc shape. The arc-shaped flow guiding fin 300 can improve the smoothness of air flow between adjacent flow guiding fins 300, as shown by the solid arrow path in Figure 4 , thereby enhancing the efficiency of the air inside the vehicle flowing out under the action of negative pressure extraction; in addition, as shown by the dashed arrow path in Figure 4 , the arc structure of the flow guiding fin 300 is also beneficial to blocking the air flowing reversely into the ventilation pipe 30 and turning it back to flow towards the first end 301, so as to prevent the continuous reverse flow of external air into the ventilation pipe, and improve the blocking effect on the reverse air flow; of course, since the transmission of wind noise mainly depends on air, it can also improve the suppression effect on the transmission of wind noise into the vehicle, thereby improving the quietness inside the vehicle.

[0041] On this basis, referring to Figure 3 , a dust-proof cover 31 is provided at the first end 301, and the dust-proof cover 31 is connected to the bottom plate 10; an interior grille 32 is provided at the second end 302, and the interior grille 32 is connected to the interior roof panel 50. The dust-proof cover 31 can be inserted and fixed to the first end 301 and clamped on the opening boundary of the bottom plate 10. At the same time, the dust-proof cover 31 can include a frame connecting the first end 301 and the bottom plate 10 and a ventilation filter screen provided inside the frame. By setting the ventilation filter screen, large-particle dust and impurities can be blocked from falling into the ventilation pipe 30, thereby improving the dust-proof effect; the interior grille 32 can have the same structure as a conventional vehicle interior air outlet. The purpose of setting the interior grille 32 here is on the one hand for aesthetics, and on the other hand, removing the interior grille 32 can expose the ventilation pipe 30, which is convenient for disassembling, cleaning or repairing and replacing the ventilation pipe 30.

[0042] In some possible implementation manners, please refer to Figures 5 to 7 , two mounting grooves 21 are arranged at intervals along the vehicle body width direction on the lower plate surface of the lifting cover 20. A lifting plate 22 is slidably connected in each mounting groove 21 along the vehicle body front-rear direction, and the lifting plate 22 is connected to the lifting cover 20 through at least one fastening member 23; two hinge seats 11 are arranged at intervals along the vehicle body width direction at the rear end of the bottom plate 10. The front ends of the two lifting plates 22 are respectively hinged to the two hinge seats 11, and the two lifting plates 22 are respectively connected to the output end of the driving mechanism 40.

[0043] Here, in combination with Figure 6 and Figure 7It is understood that an open slit 211 is provided on the groove wall of the installation groove 21. The lifting plate 22 has an inverted L-shaped structure, and the bent part at its top passes through the open slit 211 and extends into the installation groove 21 to achieve sliding fit with the installation groove 21. Of course, the installation groove 21 can also be a T-shaped groove, and the corresponding lifting plate 22 adopts a T-shaped structure. On the one hand, the L-shaped or T-shaped structure can ensure the strength of the lifting plate 22 and improve the connection stability of the tilting cover plate 20. On the other hand, the open slit 211 can be used to form a large contact area between the lifting plate 22 and the installation groove 21 in the front-back direction, thereby improving the connection stability. Further, a limiting plate 212 is provided on one side of the installation groove 21 close to the open slit 211. The limiting plate 212 is used to restrict the freedom degree of the lifting plate 22 in the vehicle body width direction to prevent the lifting plate 22 from slipping out of the open slit 211. At the same time, the limiting plate 212 can also be used as the connection base of the fastening member 23 to limit the sliding freedom degree of the lifting plate 22, facilitating disassembly and assembly operations.

[0044] After the tilting cover plate 20 is opened, the fastening member 23 can be exposed. After removing the fastening member 23, the tilting cover plate 20 can be slid forward or backward to remove the tilting cover plate 20. The disassembly and assembly operations are simple, avoiding cleaning and maintenance of the extraction cavity 200 after removing the tilting cover plate 20, and facilitating the repair of components such as the lifting plate 22 and the driving mechanism 40 located inside the extraction cavity 200. In addition, compared with the conventional tilting structure where the connection of a skylight adopts a multi-point screw connection method, in this case, a combination of sliding fit and connection by the fastening member 23 is adopted. In this embodiment, preferably, one fastening member 23 is used for connection at a position close to the rear end of the lifting plate 22, thereby improving the conventional point connection force-bearing method to a method where the surface connection mainly bears the force and the point connection secondarily bears the force. This can not only improve the disassembly and assembly convenience, reduce the requirements for the machining accuracy and assembly tolerance of the connection position, but also improve the connection stability and strength of the tilting cover plate 20.

[0045] As Figures 6 to 10 shown, a sliding fit portion 221 is provided at the rear end of the above-mentioned lifting plate 22. The sliding fit portion 221 extends along the front-back direction of the vehicle body and is inclined up and down. Two sliding grooves 12 are provided on the bottom plate 10. Two sliders 13 are respectively slidably connected in the two sliding grooves 12, and the two sliders 13 are respectively connected to the sliding fit portions 221 of the two lifting plates 22 to form a sliding fit. Among them, the two sliders 13 are respectively connected to the output ends of the driving mechanism 40 and move synchronously back and forth under the drive of the driving mechanism 40. The lifting plate 22 swings up and down based on the back-and-forth movement of the slider 13.

[0046] Since the sliding fit portion 221 extends in the front-back direction and is inclined up and down, when the driving mechanism 40 drives the slider 13 to move back and forth, the cooperation between the slider 13 and the sliding fit portion 221 can be utilized to realize the up-and-down swing of the lifting plate 22, thereby realizing the opening or closing of the tilting cover plate 20. The structure is simple and stable. Specifically, at least one end of the sliding groove 12 is open. When the slider 13 is worn and needs to be replaced, the connection between the slider 13 and the sliding fit portion 221 can be removed, and the slider 13 can be slid out from the open end of the sliding groove 12, which is convenient for disassembly, assembly and maintenance.

[0047] Specifically, in this embodiment, two connecting ears 131 are provided on the slider 13. A gap is formed between the two connecting ears 131 for the lower edge of the lifting plate 22 to extend into, and a sliding pin 132 is inserted through the two connecting ears 131 together. The sliding fit portion 221 is a long straight hole suitable for the sliding pin 132 to pass through.

[0048] The clamping restraint of the lifting plate 22 in the vehicle body width direction can be formed by using the gap formed by the two connecting ears 131, thereby improving the connection and swing stability of the lifting plate 22. Using a long straight hole as the sliding fit portion 221 has low requirements for machining accuracy. The sliding pin 132 and the long straight hole are in smooth and reliable cooperation during movement, and are convenient for disassembly and assembly.

[0049] In some embodiments, the above-mentioned lifting plate 22 and the hinge seat 11 adopt the connection structure as Figure 11 shown. A hinge shaft 111 is provided on the hinge seat 11. The hinge shaft 111 extends towards one side of the hinge seat 11 in the vehicle body width direction. A stop portion 112 is provided on the peripheral wall of the extending end of the hinge shaft 111. The front end of the lifting plate 22 has a shaft hole 222 suitable for sleeving the hinge shaft 111. An avoidance groove 223 is provided on the outer periphery of the shaft hole 222. The avoidance groove 223 communicates with the shaft hole 222 and is suitable for the stop portion 112 to pass through. Among them, within the angle range where the slider 13 drives the lifting plate 22 to swing, the avoidance groove 223 and the stop portion 112 are always misaligned along the circumferential direction of the hinge shaft 111.

[0050] Within the angle range where the lifting plate 22 swings driven by the slider 13, the stop portion 112 and the avoidance groove 223 are always in a misaligned state. It is equivalent to that the stop portion 112 and the side wall of the hinge seat 11 can cooperate to form a limit for the lifting plate 22 in the vehicle body width direction. When the tilting cover plate 20 is removed and the lifting plate 22 needs to be further disassembled, only the sliding pin 132 connecting the sliding fit portion 221 and the slider 13 needs to be removed, and then the lifting plate 22 is swung to an angle where the avoidance groove 223 is aligned with the stop portion 112, and the lifting plate 22 can be directly removed from the hinge shaft 111. The disassembly and assembly operations are simple and convenient, which can improve the maintenance convenience of the tilting ventilation system.

[0051] It should be noted that in this embodiment, the hinge seat 11 can be integrally formed on the bottom plate 10, and at the same time, the hinge shaft 111 is integrally formed on the hinge seat 11. The connection between the lifting plate 22 and the hinge shaft 111 does not need to use a detachable connecting piece, which can not only avoid the problem of looseness and abnormal noise of the lifting plate 22 due to the connecting piece, and avoid the problem of loss of the connecting piece during the disassembly and assembly process, but also improve the connection stability of the lifting plate 22, and further improve the connection stability of the tilting cover plate 20.

[0052] Specifically, in this embodiment, the stop portion 112 includes a rib 1121 formed on the circumferential wall of the hinge shaft 111. The number of the ribs 1121 is not limited to one, and a plurality of ribs 1121 can also be distributed at intervals along the circumferential direction of the hinge shaft 111. At the same time, the number of the avoidance grooves 223 corresponds to the number of the ribs 1121. Using a plurality of ribs 1121 can improve the structural strength of the limit of the lifting plate 22 on the hinge shaft 111, and ensure that even if one or more of the ribs 1121 are broken or damaged, as long as there are remaining ribs 1121, the lifting plate 22 can be prevented from falling off the hinge shaft 111, thereby improving the connection reliability.

[0053] Furthermore, the stop portion 112 further includes an extension rib 1122, and the extension rib 1122 is formed on the rib 1121 and extends along the circumferential direction of the hinge shaft 111 to form a semi-circular arc. The use of the extension rib 1122 can increase the stop area of the lifting plate 22, thereby improving the limit stability of the lifting plate 22. Of course, the shape of the avoidance groove 223 should match the combined structure of the rib 1121 and the extension rib 1122 to ensure that the lifting plate 22 can be smoothly removed from the hinge shaft 111 after swinging to a specific angle.

[0054] As a specific embodiment of the above driving mechanism 40, please refer to Figure 1 、 Figure 2 and Figure 12 for understanding. The driving mechanism 40 includes a rotary driving member 41 and a traction rope 42. The rotary driving member 41 is fixedly connected to the bottom plate 10, and a winding wheel 411 is sleeved on the output end. The traction rope 42 is wound around the winding wheel 411 and is respectively connected to the two sliders 13. Wherein, when the rotary driving member 41 rotates, the traction rope 42 drives the two sliders 13 to slide forward or backward synchronously.

[0055] It should be noted that in this embodiment, the rotary driving member 41 may specifically be a motor. The main body of the rotary driving member 41 is fixed on the bottom plate 10 and is located in the space between the bottom plate 10 and the interior roof panel 50. The output shaft of the rotary driving member 41 penetrates into the extraction cavity 200 and is sleeved with the wire winding wheel 411. At the same time, the installation position of the rotary driving member 41 corresponds to the position of the in-vehicle reading lamp 51 installed on the interior roof panel 50. When the rotary driving member 41 fails and needs to be repaired, only the in-vehicle reading lamp 51 needs to be removed to expose it for repair or disassembly and replacement, and the operation is simple and convenient.

[0056] Here, the wire winding wheel 411 is used to wind the traction rope 42 to realize the synchronous traction of the two sliders 13. Compared with the conventional sunroof tilting drive using a toothed rack transmission or a chain drag method, it is not only simple and lightweight in structure, but also does not require a guide groove structure for the traction rope 42. It only needs to ensure that the traction rope 42 is in a taut state, so as to avoid the problem of frictional noise of the transmission parts during the opening and closing process of the tilting cover 20 and improve the use experience.

[0057] Specifically, please refer to Figure 12 , in this embodiment, guide members 14 are provided on both the front and rear sides of the two sliding grooves 12 on the bottom plate 10; the traction rope 42 includes two first traction segments 421 and two second traction segments 422; wherein, the two first traction segments 421 respectively bypass the guide members 14 on the front sides of the two sliding grooves 12 and are connected to the sliders 13, and the two first traction segments 421 are wound around the wire winding wheel 411 in the same direction on the front and rear sides of the wire winding wheel 411 respectively. The two second traction segments 422 respectively bypass the guide members 14 on the rear sides of the two sliding grooves 12 and are connected to the sliders 13, and the two second traction segments 422 are wound around the wire winding wheel 411 in the same direction on the front and rear sides of the wire winding wheel 411 respectively. The winding direction of the second traction segment 422 is opposite to that of the first traction segment 421.

[0058] The guide member 14 may be a guide wheel with a wheel groove to constrain the traction rope 42 to avoid the phenomenon of rope detachment, or it may be a guide post with a smooth annular groove to embed the traction rope 42 and realize the bending and turning of the traction rope 42; here, by setting the guide member 14, each traction segment can be bent and reversed on the front or rear side of the sliding groove 12 respectively, so as to ensure that each traction segment can linearly traction the slider 13 in the front-rear direction. On the one hand, it can improve the power transmission efficiency of the rotary driving member 41, and on the other hand, it can also avoid interference and friction between the traction rope 42 and the sliding groove 12 and avoid the problem of frictional noise.

[0059] Since the two first traction segments 421 are respectively wound in the same direction on the front and rear sides of the winding wheel 411, when the winding wheel 411 rotates, the two first traction segments 421 can perform synchronous winding or unwinding actions; similarly, since the two second traction segments 422 are respectively wound in the same direction on the front and rear sides of the winding wheel 411, when the winding wheel 411 rotates, the two second traction segments 422 can perform synchronous winding or unwinding actions. On this basis, since the winding direction of the second traction segment 422 is opposite to that of the first traction segment 421, when the two first traction segments 421 are wound, the two second traction segments 422 are unwound synchronously, and when the two first traction segments 421 are unwound, the two second traction segments 422 are wound synchronously, so as to realize the synchronous movement of the two sliders 13, and at the same time, it can ensure that the traction rope 42 can always be in a taut state, avoiding problems such as the traction rope 42 becoming slack and sagging, resulting in rope detachment or frictional abnormal noise.

[0060] It should be noted that the above-mentioned winding wheel 411 has at least one winding groove, and the two first traction segments 421 and the two second traction segments 422 are wound in the same winding groove or respectively wound in different winding grooves. Using one winding groove for combined winding saves more space, while using two winding grooves to wind the first traction segment 421 and the second traction segment 422 respectively can avoid interference between the two and cause winding and unwinding failures, improving the use stability; of course, when space permits, a winding wheel 411 with four winding grooves can also be used, and each first traction segment 421 and each second traction segment 422 are respectively wound in different winding grooves, which can further improve the working stability.

[0061] Based on the above structural composition, the lifting and closing processes of the lifting ventilation system provided in this embodiment are as follows:

[0062] When the rotary driving member 41 rotates forward, the two first traction segments 421 are respectively unwound on the front and rear sides of the winding wheel 411, and at the same time, the two second traction segments 422 are wound on the front and rear sides of the winding wheel 411 onto the winding wheel 411, so as to synchronously pull the two sliders 13 to move backward in the sliding groove 12 through the two second traction segments 422. Since the sliding and fitting portion 221 is a long hole with a higher front and a lower rear, see Figure 9 , so the sliding pin 132 connected to the slider 13 can swing the rear end of the lifting plate 22 upward during the backward movement in the long hole, so as to lift and open the rear end of the lifting cover plate 20 connected to the lifting plate 22;

[0063] When it is necessary to close the tilting cover plate 20, only need to reverse the rotary driving member 41. At this time, the two first traction segments 421 are synchronously wound up, while the two second traction segments 422 are synchronously unwound. Thus, the two sliders 13 can be synchronously pulled by the two first traction segments 421 to move forward in the chute 12. At this time, the sliding pins 132 connected to the sliders 13 move forward in the long holes, causing the rear end of the lifting plate 22 to swing downward and reset, so as to close the tilting cover plate 20 connected to the lifting plate 22.

[0064] Through the synchronous winding and unwinding processes of the above two first traction segments 421 and two second traction segments 422, it is possible to ensure that the traction rope always remains suspended and taut during the opening or closing process of the tilting cover plate 20, thereby avoiding noise and abnormal sounds caused by the contact and friction between the traction rope and the bottom plate or the tilting cover plate. Moreover, there is no need to set a guide groove structure for the traction rope, which can not only simplify the structure and cost, facilitate disassembly and assembly, but also further reduce the probability of friction abnormal sounds and improve the use experience.

[0065] Based on the same inventive concept, combined with Figures 1 to 12 Understood, the embodiment of the present application also provides a vehicle, including the above-mentioned tilting ventilation system.

[0066] Compared with the prior art, the vehicle provided by this embodiment can meet the ventilation and air exchange requirements between the interior space and the outside world through the above-mentioned tilting ventilation system, and does not occupy the space of the sunroof area of the sunroof model. Thus, it can ensure the interior lighting effect and space of the sunroof model, which helps to improve the market competitiveness of the product.

[0067] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. The warping ventilation system is characterized in that, Comprising: A bottom plate (10), fixedly connected to the front end area or the rear end area of the vehicle roof; A tilting cover plate (20), the front end of which is hinged to the bottom plate (10). The tilting cover plate (20) and the bottom plate (10) enclose a withdrawal cavity (200), and the rear end of the tilting cover plate (20) can tilt upwards to communicate the withdrawal cavity (200) with the outside; At least one ventilation pipe (30), arranged at intervals in the vehicle body width direction. The first end (301) of each ventilation pipe (30) is connected to the bottom plate (10), and the second end (302) of each ventilation pipe (30) is connected to the interior roof panel (50). The ventilation pipe (30) is used to communicate the withdrawal cavity (200) and the vehicle interior space; A driving mechanism (40), arranged on the bottom plate (10). The output end of the driving mechanism (40) is connected to the tilting cover plate (20) and is used to drive the rear end of the tilting cover plate (20) to tilt upwards to open or return to close; Wherein, when the tilting cover plate (20) is opened during driving, a negative pressure is formed in the withdrawal cavity (200) so that the air inside the vehicle is discharged through at least one ventilation pipe (30).

2. The warping ventilation system according to claim 1, characterized in that At least two rows of flow guiding fins (300) are provided on the inner wall of the ventilation pipe (30). Each flow guiding fin (300) in each row is sequentially arranged at intervals from the first end (301) to the second end (302), and the flow guiding fins (300) in each row cross each other in the radial direction of the ventilation pipe (30). Each flow guiding fin (300) extends obliquely from the inner wall of the ventilation pipe (30) towards the first end (301).

3. The warping ventilation system according to claim 1, wherein A dust-proof cover (31) is provided at the first end (301), and the dust-proof cover (31) is connected to the bottom plate (10); an interior grille (32) is provided at the second end (302), and the interior grille (32) is connected to the interior roof panel (50).

4. The warping ventilation system according to claim 1, wherein Two mounting grooves (21) are arranged at intervals in the vehicle body width direction on the lower plate surface of the tilting cover plate (20). A lifting plate (22) is slidably connected in each mounting groove (21) in the vehicle body front-rear direction, and the lifting plate (22) is connected to the tilting cover plate (20) through at least one fastening member (23); two hinge seats (11) are arranged at intervals in the vehicle body width direction at the rear end of the bottom plate (10). The front ends of the two lifting plates (22) are respectively hinged to the two hinge seats (11), and the two lifting plates (22) are respectively connected to the output end of the driving mechanism (40).

5. The warping ventilation system according to claim 4, characterized in that, A sliding fit portion (221) is provided at the rear end of the lifting plate (22). The sliding fit portion (221) extends in the vehicle body front-rear direction and is arranged obliquely up and down; two sliding grooves (12) are provided on the bottom plate (10). Sliding blocks (13) are respectively slidably connected in the two sliding grooves (12), and the two sliding blocks (13) are respectively connected to the sliding fit portion (221) of the two lifting plates (22) to form a sliding fit; Wherein, the two sliders (13) are respectively connected to the output end of the driving mechanism (40), and move synchronously back and forth under the drive of the driving mechanism (40), and the lifting plate (22) swings up and down based on the back-and-forth movement of the slider (13).

6. The warping ventilation system according to claim 5, characterized in that, Two connecting lugs (131) are provided on the slider (13), a gap is formed between the two connecting lugs (131) for the lower edge of the lifting plate (22) to extend into, and a sliding pin (132) is inserted through the two connecting lugs (131); the sliding and mating part (221) is a long straight hole suitable for the sliding pin (132) to pass through.

7. The warping ventilation system according to claim 5, characterized in that A hinge shaft (111) is provided on the hinge seat (11), the hinge shaft (111) extends towards one side of the hinge seat (11) along the vehicle body width direction, a stop portion (112) is provided on the peripheral wall of the extending end of the hinge shaft (111), the front end of the lifting plate (22) has a shaft hole (222) suitable for sleeving the hinge shaft (111), an avoidance groove (223) is provided on the outer periphery of the shaft hole (222), the avoidance groove (223) communicates with the shaft hole (222) and is suitable for the stop portion (112) to pass through; Wherein, within the angular range where the slider (13) drives the lifting plate (22) to swing, the avoidance groove (223) and the stop portion (112) are always circumferentially misaligned along the hinge shaft (111).

8. The warping ventilation system according to claim 5, characterized in that, The driving mechanism (40) includes: A rotary driving member (41), fixedly connected to the bottom plate (10), and a wire winding wheel (411) is sleeved on the output end; A traction rope (42), wound around the wire winding wheel (411), and respectively connected to the two sliders (13); Wherein, when the rotary driving member (41) rotates, the traction rope (42) drives the two sliders (13) to slide forward or backward synchronously.

9. The warping ventilation system according to claim 8, wherein Guide members (14) are provided on the bottom plate (10) on the front and rear sides of the two chutes (12); the traction rope (42) includes two first traction segments (421) and two second traction segments (422); wherein, the two first traction segments (421) respectively bypass the guide members (14) on the front sides of the two chutes (12) and are connected to the sliders (13), and the two first traction segments (421) are wound around the wire winding wheel (411) in the same direction on the front and rear sides of the wire winding wheel (411), the two second traction segments (422) respectively bypass the guide members (14) on the rear sides of the two chutes (12) and are connected to the sliders (13), and the two second traction segments (422) are wound around the wire winding wheel (411) in the same direction on the front and rear sides of the wire winding wheel (411), and the winding direction of the second traction segment (422) is opposite to the winding direction of the first traction segment (421).

10. A vehicle, characterized in that, Including the upwarping ventilation system according to any one of claims 1-9.

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