Motor vehicle air outlet

Abstract

The application discloses a motor vehicle air outlet, comprising an air outlet shell for being installed in a central control area of a vehicle and a wind adjusting block arranged in the air outlet shell and used for adjusting a wind direction angle, and an air inlet warehouse is connected with the end of the air outlet shell, and a liftable air exchange block is arranged in a receiving warehouse of the air inlet warehouse; when the air exchange block is lifted to be connected with a second air outlet, gas enters the air exchange block from the left side of a negative pressure cavity, the flow rate of the gas in the negative pressure cavity is increased, the gaseous static pressure in the negative pressure cavity is reduced to provide negative pressure to the connecting cavity, the gas in the vehicle is sucked into the second air outlet to form heat exchange with the gas in the air exchange block, and the heat-exchanged gas is sent into the vehicle from the first air outlet; when the air exchange block is lowered into the receiving warehouse, the gas directly enters the vehicle from the second air outlet and the first air outlet to realize air supply; the air exchange block is lifted and lowered to improve the air circulation in the vehicle during the air supply process, and the temperature adjusting efficiency of the vehicle is effectively improved.

Description

Technical Field

[0001] This invention relates to the field of vehicle ventilation devices, and more particularly to air vents in motor vehicles. Background Technology

[0002] As a common automotive accessory, the vehicle air vent is generally the output end of the car's air conditioning system. It can provide better ride comfort in summer and winter, and improve the in-vehicle environment through ventilation in other seasons. The vehicle air vent generally has the function of adjusting the air volume and air angle, and is mainly used to guide the air generated by the air conditioner to the required location.

[0003] In existing technology, when a vehicle closes its windows and uses air conditioning to cool down, the vehicle's air vents direct the air conditioning air into the vehicle. The air conditioning air and the air inside the vehicle only exchange heat within the vehicle's cabin. The vehicle's air vents cannot simultaneously deliver air and draw out the air inside the vehicle for heat exchange, resulting in low air conditioning temperature control efficiency. Summary of the Invention

[0004] The purpose of this invention is to solve any of the problems in the above-mentioned technologies, thereby providing a motor vehicle air vent.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a motor vehicle air vent, comprising an air vent housing for installation in the central control area of ​​the vehicle and an air adjustment block inside for adjusting the air direction angle. The end of the air vent housing is connected to the air inlet chamber. The air inlet chamber has a liftable air exchange block in its storage compartment. When the air exchange block rises to the docking chamber and connects with the second air vent, gas enters the air exchange block from the left side of the negative pressure chamber. The gas velocity in the negative pressure chamber increases, and the gas static pressure inside the negative pressure chamber decreases, providing negative pressure to the docking chamber. The gas inside the vehicle is drawn in through the second air vent and forms a heat exchange with the gas inside the air exchange block. The heat-exchanged gas is then sent back into the vehicle through the first air vent. When the air exchange block sinks into the storage compartment, the gas directly enters the vehicle through the second air vent and the first air vent to achieve air delivery. By raising and lowering the air exchange block, the air circulation inside the vehicle is improved during the air delivery process, effectively improving the temperature control efficiency of the vehicle system.

[0006] Furthermore, the air outlet housing is a double-row air outlet. The middle section of the air outlet housing has upper rotating shaft openings on both sides, and the air guide frame is rotatably set at the upper rotating shaft openings. The inner wall of the air outlet housing has multiple arrayed inner rotating shaft openings on both sides, and the fan blade frame is rotatably set at the inner rotating shaft openings. The end of the air outlet housing is fixedly connected to the air inlet chamber.

[0007] Furthermore, the main body of the air guide frame is a U-shaped air guide plate, and a rectangular sliding rod is set in the center of the air guide frame, running through both sides. The air regulating block is slidably sleeved on the sliding rod, and a rotating shaft is set at both ends of the air guide frame. The rotating shaft is rotated and locked in the upper rotating shaft opening.

[0008] Furthermore, the top section of the air regulating block is provided with a knurled head with diamond-shaped knurled protrusions on the surface, and the side of the air regulating block is provided with a through side sliding opening. The side sliding opening is slidably fitted onto the slide rod, and the end of the air regulating block is provided with a U-shaped tail frame with a U-shaped notch at the end. The U-shaped tail frame overlaps with the fan blade frame.

[0009] Furthermore, the wind turbine frame consists of multiple arrayed guide vanes and a linkage plate fixed at its bottom for synchronously changing the angle of the guide vanes. A cylindrical rotating platform is set at the center of both the upper and lower surfaces of the guide vanes. The rotating platform of the guide vane is rotatably locked at the inner shaft opening. A lever seat is set at the front section of the guide vane at the center of the wind turbine frame. The shaft of the lever seat is slidably locked in the notch of the U-shaped tail frame.

[0010] Furthermore, the left side of the air intake chamber is the air inlet, the top right side of the air intake chamber is equipped with a first air inlet with a stepped edge, the middle section of the air intake chamber is equipped with a second air inlet with a stepped edge, and a storage chamber is set below the second air inlet. The storage chamber is equipped with a liftable ventilation block, the bottom center of the storage chamber is equipped with an installation hole, and the four corners of the bottom of the storage chamber are equipped with guide holes.

[0011] Furthermore, the air exchange block is T-shaped, with a docking cavity on the front side that gradually narrows from a square hole to a slotted hole. Inside the air exchange block is a negative pressure chamber, which is a flared mouth that narrows inward at the front left side, an expanding chamber that gradually expands outward in the middle section, and a guide port that opens outward at the end of the negative pressure chamber. The slotted hole of the docking cavity is opened on the side wall of the expanding chamber in the middle section of the negative pressure chamber and communicates with it. Guide rods are fixedly connected to the four corners of the bottom surface of the air exchange block.

[0012] Furthermore, the guide rod slides up and down through the flange bushing, the flange bushing is fixedly installed in the guide hole of the air inlet chamber, and an electric cylinder is fixedly installed in the mounting hole of the air inlet chamber. The push rod of the electric cylinder contacts and abuts against the bottom surface of the air exchange block.

[0013] The beneficial effects of this invention are:

[0014] 1. A docking cavity is provided on the front side of the air exchange block, and a negative pressure cavity is provided inside the air exchange block. The slot hole of the docking cavity is opened in the middle section of the expansion chamber side wall of the negative pressure cavity and communicates with it. When gas enters the negative pressure cavity from the left side of the air exchange block's negative pressure cavity, the inward-curving flare of the front section of the left side of the negative pressure cavity reduces the gas flow cross section and increases the gas velocity in this area. When the high-velocity gas passes through the gradually outward expansion chamber in the middle section of the negative pressure cavity, the gas velocity inside the negative pressure cavity is much higher than the gas velocity at the front section of the docking cavity. According to Bernoulli's principle, the gas velocity is high and the static pressure is low. The high-velocity gas in the negative pressure cavity provides negative pressure to the docking cavity, drawing the gas at the front of the docking cavity into the negative pressure cavity for mixing, and then discharging it from the guide port on the far right of the negative pressure cavity. Through the special chamber shape of the negative pressure cavity inside the air exchange block, the gas at the front section of the docking cavity is drawn into the air duct for heat exchange circulation.

[0015] 2. When the vehicle's air conditioning is turned on and the interior temperature differs significantly from the set temperature, the vehicle's temperature control system activates the electric cylinder to push the air exchange block upwards to the docking chamber and connect with the second air vent. Air conditioning gas is then drawn from the negative pressure chamber into the vehicle's interior through the second air vent, where it exchanges heat with the gas inside the air exchange block. The heat-exchanged gas is then returned to the vehicle interior through the first air vent. When the vehicle's air conditioning is turned on and the interior temperature is nearly the same as the set temperature, the vehicle's temperature control system retracts the electric cylinder, and the air exchange block descends into the storage compartment. Air conditioning gas then directly enters the vehicle interior through the second and first air vents to deliver air. The rising and falling of the air exchange block improves the airflow within the vehicle during air delivery, effectively enhancing the vehicle's temperature control efficiency.

[0016] 3. The rotating shaft of the air guide frame is rotated and locked in the upper rotating shaft opening. The side sliding opening of the air regulating block is slidably sleeved on the sliding rod of the air guide frame. The shaft of the fan blade frame's lever seat is slidably locked in the notch of the U-shaped tail frame of the air regulating block. The airflow direction in the vertical direction is adjusted by the up-and-down swing of the air guide frame. The airflow direction in the horizontal direction is adjusted by the left-and-right sliding of the air regulating block driving the air guide blades of the fan blade frame to swing left and right. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a cross-sectional view of the entire invention;

[0019] Figure 3 This is an exploded view of the entire invention;

[0020] Figure 4 This is a schematic diagram of the installation of the air regulating block of the present invention;

[0021] Figure 5 This is a schematic diagram of the structure of the air regulating block of the present invention;

[0022] Figure 6 This is a schematic diagram of the air guide frame of the present invention;

[0023] Figure 7 This is a schematic diagram of the structure of the wind turbine blade frame of the present invention;

[0024] Figure 8 This is a schematic diagram of the structure of the air outlet housing of the present invention;

[0025] Figure 9 This is a schematic diagram of the air inlet chamber of the present invention;

[0026] Figure 10 This is a cross-sectional view of the air inlet chamber of the present invention;

[0027] Figure 11 This is a schematic diagram of the structure of the ventilation block of the present invention;

[0028] Figure 12 This is a cross-sectional view of the ventilation block of the present invention.

[0029] exist Figures 1 to 12 The correspondence between component names or lines and the attached drawing numbers is as follows: Air regulating block 1, knurled head 11, side sliding port 12, U-shaped tail frame 13, air guide frame 2, slide rod 21, rotating shaft rod 22, fan blade frame 3, air guide blade 31, lever seat 32, linkage plate 33, air outlet housing 4, upper rotating shaft port 41, inner rotating shaft port 42, air inlet chamber 5, first air outlet 51, second air outlet 52, storage chamber 53, mounting hole 54, guide hole 55, ventilation block 6, docking cavity 61, negative pressure cavity 62, flange bushing 7, guide rod 8, electric cylinder 9. Detailed Implementation

[0030] Please refer to Figures 1 to 12 ;

[0031] This embodiment provides a motor vehicle air vent, including an air vent housing 4 for installation in the vehicle's central control area and an air regulating block 1 inside for adjusting the airflow angle. The end of the air vent housing 4 is connected to the air inlet chamber 5. The air inlet chamber 5 has a retractable air exchange block 6 inside its receiving chamber 53. When the air exchange block 6 rises to the docking chamber 61 and docks with the second air outlet 52, gas enters the air exchange block 6 from the left side of the negative pressure chamber 62. The gas velocity in the negative pressure chamber 62 increases, and the gas static pressure inside the negative pressure chamber 62 decreases, providing negative pressure to the docking chamber 61. This draws in the vehicle's internal gas through the second air outlet 52 and exchanges heat with the gas inside the air exchange block 6. The heat-exchanged gas is then sent back into the vehicle through the first air outlet 51. When the air exchange block 6 sinks into the receiving chamber 53, the gas directly enters the vehicle through the second air outlet 52 and the first air outlet 51 to deliver air. The rising and falling of the air exchange block 6 improves the airflow inside the vehicle during the air delivery process, effectively improving the temperature control efficiency of the vehicle's infotainment system.

[0032] Preferably, the air outlet housing 4 is a double-outlet air outlet. The middle section of the air outlet housing 4 is provided with upper rotating shaft openings 41 on both sides. The air guide frame 2 is rotatably set at the upper rotating shaft openings 41. Multiple arrayed inner rotating shaft openings 42 are provided on both sides of the inner wall of the air outlet housing 4. The fan blade frame 3 is rotatably set at the inner rotating shaft openings 42. The end of the air outlet housing 4 is fixedly connected to the air inlet chamber 5.

[0033] Preferably, the main body of the air guide frame 2 is a U-shaped air guide plate. A rectangular slide rod 21 is provided in the center of the air guide frame 2, which runs through both sides. The air regulating block 1 is slidably sleeved on the slide rod 21. Rotating shaft rods 22 are provided at both ends of the air guide frame 2. The rotating shaft rods 22 are rotatably locked in the upper rotating shaft opening 41.

[0034] In a specific embodiment, the rotating shaft 22 of the air guide frame 2 is rotatably locked in the upper rotating shaft opening 41, and the airflow guidance in the vertical direction is adjusted by the up-and-down swing of the air guide frame 2.

[0035] Preferably, the top section of the air regulating block 1 is provided with a knurled head 11 with diamond-shaped knurled protrusions on the surface, the side of the air regulating block 1 is provided with a through side sliding opening 12, the side sliding opening 12 is slidably sleeved on the slide rod 21, and the end of the air regulating block 1 is provided with a U-shaped tail frame 13 with a U-shaped notch at the end, the U-shaped tail frame 13 overlaps with the fan blade frame 3.

[0036] Preferably, the wind turbine frame 3 consists of multiple arrayed guide vanes 31 and a linkage plate 33 fixed at its bottom for synchronously changing the angle of the guide vanes 31. A cylindrical rotating platform is provided at the center of both the upper and lower surfaces of the guide vanes 31. The rotating platform of the guide vanes 31 is rotatably locked at the inner rotating shaft opening 42. A lever seat 32 is provided at the front section of the guide vanes 31 at the center of the wind turbine frame 3. The shaft of the lever seat 32 is slidably locked in the notch of the U-shaped tail frame 13.

[0037] In a specific embodiment, the side sliding opening 12 of the air regulating block 1 is slidably sleeved on the sliding rod 21 of the air guide frame 2, and the shaft of the lever seat 32 of the fan blade frame 3 is slidably locked in the notch of the U-shaped tail frame 13 of the air regulating block 1. The left and right sliding of the air regulating block 1 drives the air guide blade 31 of the fan blade frame 3 to swing left and right to adjust the airflow guidance in the left and right directions.

[0038] Preferably, the left side of the air inlet chamber 5 is the air inlet, the top right side of the air inlet chamber 5 is provided with a first air outlet 51 with a stepped edge, the middle section of the air inlet chamber 5 is provided with a second air outlet 52 with a stepped edge, a storage chamber 53 is provided below the second air outlet 52, a liftable ventilation block 6 is provided inside the storage chamber 53, an installation hole 54 is provided at the center of the bottom surface of the storage chamber 53, and guide holes 55 are provided at the four corners of the bottom surface of the storage chamber 53.

[0039] Preferably, the air exchange block 6 is T-shaped. The front side of the air exchange block 6 is provided with a docking cavity 61 that gradually narrows from a square hole to a slot hole. The air exchange block 6 is provided with a negative pressure cavity 62. The negative pressure cavity 62 is a flared mouth that narrows inward at the front left side. The middle section of the negative pressure cavity 62 is an expansion chamber that gradually expands outward. The end of the negative pressure cavity 62 is a guide port that opens outward. The slot hole of the docking cavity 61 is opened in the middle expansion chamber side wall of the negative pressure cavity 62 and communicates with it. Guide rods 8 are fixedly connected to the four corners of the bottom surface of the air exchange block 6.

[0040] In a specific embodiment, when gas enters the negative pressure chamber 62 from the left flared opening of the negative pressure chamber 62 of the air exchange block 6, the inward-curving flared opening on the front left side of the negative pressure chamber 62 reduces the gas flow cross-section and increases the gas velocity in this area. When the high-velocity gas gradually expands outward through the middle section of the negative pressure chamber 62, the gas velocity inside the negative pressure chamber 62 is much higher than the gas velocity at the front of the docking chamber 61. According to Bernoulli's principle, the gas velocity is high and the static pressure is low. The high-velocity gas in the negative pressure chamber 62 provides negative pressure to the docking chamber 61, drawing the gas at the front of the docking chamber 61 into the negative pressure chamber 62 for mixing, and then discharging it from the rightmost guide port of the negative pressure chamber 62. Through the special chamber shape of the negative pressure chamber 62 inside the air exchange block 6, the gas at the front of the docking chamber 61 is drawn into the air duct for heat exchange and circulation.

[0041] Preferably, the guide rod 8 slides up and down through the flange sleeve 7, the flange sleeve 7 is fixedly installed in the guide hole 55 of the air inlet chamber 5, and the electric cylinder 9 is fixedly installed in the mounting hole 54 of the air inlet chamber 5. The push rod of the electric cylinder 9 contacts and abuts against the bottom surface of the air exchange block 6.

[0042] In a specific embodiment, the guide rod 8 and the flange bushing 7 provide guidance during the up-and-down sliding of the air exchange block 6 to prevent it from getting stuck due to vibrations during vehicle operation. At the same time, the push rod of the electric cylinder 9 contacts and abuts against the bottom surface of the air exchange block 6. When the push rod of the electric cylinder 9 extends, the air exchange block 6 is pushed out of the storage compartment 53. When the push rod of the electric cylinder 9 retracts, the air exchange block 6 sinks into the storage compartment 53 under gravity.

[0043] When the vehicle's air conditioning is activated and the interior temperature differs significantly from the set temperature, the vehicle's temperature control system activates the electric cylinder 9 to push the air exchange block 6 upwards to the docking chamber 61 to dock with the second air vent 52. Air conditioning gas is then drawn from the negative pressure chamber 62 into the vehicle's interior through the second air vent 52, where it exchanges heat with the gas inside the air exchange block 6. The heat-exchanged gas is then re-entered into the vehicle through the first air vent 51. When the vehicle's air conditioning is activated and the interior temperature is nearly the same as the set temperature, the vehicle's temperature control system retracts the electric cylinder 9, and the air exchange block 6 sinks into the storage compartment 53. Air conditioning gas then directly enters the vehicle interior through the second air vent 52 and the first air vent 51 to deliver air.

[0044] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A motor vehicle air vent, comprising an air vent housing for installation in the central control area of ​​a vehicle and an air-adjusting block disposed inside therein for adjusting the airflow direction and angle, characterized in that: The air outlet housing is connected to the air inlet chamber at its end. The air inlet chamber has a liftable air exchange block inside its storage compartment. When the air exchange block rises to the docking chamber and connects with the second air outlet, gas enters the air exchange block from the left side of the negative pressure chamber. The gas velocity in the negative pressure chamber increases, and the static pressure of the gas inside the negative pressure chamber decreases, providing negative pressure to the docking chamber. The gas inside the vehicle is drawn in through the second air outlet and forms a heat exchange with the gas inside the air exchange block. The heat-exchanged gas is then sent back into the vehicle through the first air outlet. When the air exchange block sinks into the storage compartment, the gas directly enters the vehicle through the second air outlet and the first air outlet to achieve air supply. The lifting and lowering of the air exchange block improves the air circulation inside the vehicle during the air supply process, effectively improving the temperature regulation efficiency of the vehicle system. The air outlet housing is a double-row air outlet. The middle section of the air outlet housing has upper rotating shaft openings on both sides. The air guide frame is rotatably set at the upper rotating shaft opening. The inner wall of the air outlet housing has multiple arrayed inner rotating shaft openings on both sides. The fan blade frame is rotatably set at the inner rotating shaft opening. The end of the air outlet housing is fixedly connected to the air inlet chamber. The air inlet is located on the left side of the air inlet chamber. A first air inlet with a stepped edge is located at the top right side of the air inlet chamber. A second air inlet with a stepped edge is located in the middle section of the air inlet chamber. A storage compartment is located below the second air inlet. A liftable ventilation block is installed inside the storage compartment. An installation hole is located at the center of the bottom surface of the storage compartment. Guide holes are located at the four corners of the bottom surface of the storage compartment. The ventilation block is T-shaped. The front side of the ventilation block is provided with a docking cavity that gradually narrows from a square hole to a slot. The ventilation block is provided with a negative pressure cavity. The front left section of the negative pressure cavity is a flared mouth that narrows inward. The middle section of the negative pressure cavity is an expanding chamber that gradually expands outward. The end of the negative pressure cavity is a guide port that opens outward. The slot of the docking cavity is opened in the side wall of the middle expansion chamber of the negative pressure cavity and communicates with it. Guide rods are fixedly connected to the four corners of the bottom surface of the ventilation block.

2. The motor vehicle air vent according to claim 1, characterized in that: The main body of the air guide frame is a U-shaped air guide plate. A rectangular sliding rod is set in the center of the air guide frame, running through both sides. The air regulating block is slidably sleeved on the sliding rod. Rotating shafts are set at both ends of the air guide frame, and the rotating shafts are rotated and locked in the upper rotating shaft opening.

3. The motor vehicle air vent according to claim 2, characterized in that: The top section of the air regulating block is provided with a knurled head with diamond-shaped knurled protrusions on the surface. The side of the air regulating block is provided with a through side sliding opening, which slides left and right on the slide rod. The end of the air regulating block is provided with a U-shaped tail frame with a U-shaped notch at the end, which overlaps with the fan blade frame.

4. The motor vehicle air vent according to claim 3, characterized in that: The wind turbine frame consists of multiple arrayed guide vanes and a linkage plate fixed at its bottom for synchronously changing the angle of the guide vanes. A cylindrical rotating platform is set at the center of both the upper and lower surfaces of the guide vanes. The rotating platform of the guide vane is rotatably locked at the inner rotating shaft opening. A lever seat is set at the front section of the guide vane at the center of the wind turbine frame. The shaft of the lever seat is slidably locked in the notch of the U-shaped tail frame.

5. The motor vehicle air vent according to claim 1, characterized in that: The guide rod slides up and down through the flange bushing, which is fixedly installed in the guide hole of the air inlet chamber. An electric cylinder is fixedly installed in the mounting hole of the air inlet chamber, and the push rod of the electric cylinder contacts and abuts against the bottom surface of the air exchange block.

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