Manual and automatic integrated air outlet assembly device

Abstract

The utility model discloses a manual and automatic integrated air outlet assembly device which comprises a shell, a blade set, a stepping motor, an elastic conversion piece, a driving gear and a driven gear. The blade group is rotatably connected to the shell; the stepping motor is fixedly connected to the shell; the stepping motor is in transmission connection with the elastic conversion piece; the elastic conversion piece abuts against the driving gear. The driving gear is meshed with the driven gear; the driven gear is rotatably connected to the shell and is in transmission connection with the blade group; when the blade set is subjected to resistance, the stepping motor drives the elastic conversion piece to move relative to the driving gear, and the blade set stops being driven by the stepping motor to rotate and swing, so that the blade set is manually adjusted to swing. According to the manual-automatic integrated air outlet assembly device, the air supply direction of the blade set can be flexibly and freely switched into the manual adjustment mode when being manually adjusted in the electric adjustment mode, the stepping motor cannot be damaged, the adaptability of the manual-automatic integrated air outlet assembly device to passengers of multiple ages is improved, and the reliability and the intelligent degree of the structure are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted air conditioners, and in particular to a manual-automatic integrated air outlet assembly device. Background Art

[0002] In order to exchange air inside and outside the car, air conditioning vents are usually installed inside the car cabin to provide users with functions such as cooling and air supply to improve the internal environment of the cabin. Existing air conditioning vents include manually adjustable vents and electrically adjustable vents. The air supply direction of the blades of the manually adjustable vents requires passengers to manually adjust the blades, which can only maintain air supply in a single direction after adjustment; while the air supply direction of the blades of the automatically adjustable vents can be automatically adjusted by the motor by pressing a button, and can achieve multi-directional circulation sweeping driven by the motor, eliminating the need for manual adjustment by passengers. Compared with manually adjustable vents, it has a higher degree of automation and intelligence. However, due to differences in the age and usage habits of passengers, passengers of different age groups are accustomed to using completely different ways of adjusting the vents. For example, young passengers tend to use electrically adjustable vents with a higher degree of intelligence and automation, so as to avoid distraction during manual adjustment; while elderly passengers and young passengers are often accustomed to directly manually adjusting the vents because they are not familiar with or accustomed to the adjustment method of electrically adjustable vents. For automatically adjustable air outlets, if the blade direction is frequently adjusted manually, it is likely to cause damage to the motor; and for manual air outlets, the air supply direction is single and cannot meet the multi-directional air supply needs in specific scenarios. Summary of the invention

[0003] The embodiment of the utility model provides a manual-automatic air outlet assembly device, which aims to solve the problem that in the prior art methods, the air supply direction of the vehicle-mounted air outlet blades can only be adjusted manually or electrically, and the electrically adjustable air outlet is easily damaged when manually adjusted. At the same time, the manual adjustment of the air outlet has a low degree of automation and intelligence, and thus cannot provide an effective and universal method for adjusting the air outlet blades of the air conditioner for passengers of all ages.

[0004] An embodiment of the utility model provides a manual-automatic air outlet assembly device, comprising a shell, a blade group, a stepper motor, an elastic conversion member, a driving gear and a driven gear; the blade group is rotatably connected to the shell; the stepper motor is fixedly connected to the shell; the stepper motor is transmission-connected to the elastic conversion member; the elastic conversion member abuts against the driving gear; the driving gear meshes with the driven gear; the driven gear is rotatably connected to the shell and transmission-connected to the blade group; when the blade group is not subjected to resistance, the elastic conversion member and the driving gear are relatively stationary, and the stepper motor drives the driving gear to rotate through the elastic conversion member to drive the blade group to rotate and swing; when the blade group is subjected to resistance, the stepper motor drives the elastic conversion member to move relative to the driving gear, and the blade group stops being driven by the stepper motor to rotate and swing, so that the blade group can be manually adjusted to swing.

[0005] In some embodiments, the blade group includes a front blade group located at the front end of the shell and a rear blade group located inside the shell; the rear blade group is perpendicular to the front blade group, and the rotation and swing axis of the rear blade group is perpendicular to the rotation and swing axis of the front blade group.

[0006] In some embodiments, the stepper motor includes a first stepper motor and a second stepper motor; the first stepper motor is fixedly connected to the outer wall of the shell; the second stepper motor is fixedly connected to another outer wall of the shell adjacent to the outer wall on which the first stepper motor is disposed.

[0007] In some embodiments, the first stepper motor includes a motor body and a transmission shaft transmission-connected to the motor body; a transmission groove is recessed on one side of the driving gear; the side wall of the elastic conversion member abuts against the side wall of the transmission groove; one end of the transmission shaft is transmission-connected to the motor body, and the other end of the transmission shaft passes through the driving gear and is fixedly connected to the elastic conversion member; the driving gear rotates concentrically with the transmission shaft.

[0008] In some embodiments, the elastic conversion member includes a snap-fitting tooth protruding toward the transmission shaft; a snap-fitting groove is formed on a side wall of the transmission shaft; and the snap-fitting tooth is snap-fitted to the snap-fitting groove.

[0009] In some embodiments, the elastic conversion member includes a first elastic conversion member and a second elastic conversion member; the first elastic conversion member is transmission-connected to the first stepper motor; and the second elastic conversion member is transmission-connected to the second stepper motor.

[0010] In some embodiments, the driving gear includes a first driving gear and a second driving gear; the first stepper motor is transmission-connected to the first driving gear via the first elastic conversion member; the second stepper motor is transmission-connected to the second driving gear via the second elastic conversion member.

[0011] In some embodiments, the driven gear includes a first driven gear and a second driven gear; the first driving gear is connected to the front blade group through the first driven gear; the first stepper motor drives the first driving gear to rotate through the first elastic conversion member to drive the front blade group to swing and rotate; the second driving gear is connected to the rear blade group through the second driven gear; the second stepper motor drives the second driving gear to rotate through the second elastic conversion member to drive the rear blade group to swing and rotate.

[0012] In some embodiments, the manual-automatic air outlet assembly device also includes a manual adjustment knob; the manual adjustment knob includes a toggle key and a transmission arm fixedly connected to the toggle key; the toggle key is connected to a side of the front blade group away from the rear blade group, and protrudes from the front end of the shell; the transmission arm is movably connected to the rear blade group; the manual adjustment knob can drive the front blade group to rotate and swing, and can move axially along the front blade group while driving the rear blade group to rotate and swing.

[0013] In some embodiments, the rear end blade group includes a blade connecting rod and a plurality of rear end blades parallel to each other; the two ends of each rear end blade are rotatably connected to the two side walls inside the shell; each rear end blade can be rotatably connected to the blade connecting rod, and the blade connecting rod and each rear end blade are perpendicular to each other; the second driven gear is transmission connected to at least one of the rear end blades; when the rear end blade transmission connected to the second driven gear is driven by the second driven gear to rotate and swing, the blade connecting rod drives each rear end blade to rotate and swing simultaneously.

[0014] In some embodiments, the front blade group includes a blade fixing member and a plurality of front blades parallel to each other; the blade fixing members are symmetrically arranged at both ends of each of the front blades, and both ends of each of the front blades are respectively rotatably connected to the blade fixing members located at both ends; the blade fixing members are fixedly connected to the shell.

[0015] In some embodiments, the manual-automatic air outlet assembly device also includes a magnetic encoder and an inductive magnet; the inductive magnet is fixedly connected to the driving gear or the driven gear; the magnetic encoder is fixedly connected to the shell and is arranged opposite to the inductive magnet; the magnetic encoder is electrically connected to the stepper motor; when the driving gear drives the inductive magnet to move relative to the magnetic encoder, the magnetic encoder senses the rotation speed of the driving gear through the inductive magnet to sense the rotation speed of the blade group; or, when the driven gear drives the inductive magnet to move relative to the magnetic encoder, the magnetic encoder senses the rotation speed of the driven gear through the inductive magnet to sense the rotation speed of the blade group; when the rotation speed change rate of the blade group is greater than the preset change rate, the magnetic encoder controls the stepper motor to stop driving the driving gear to rotate, so as to stop driving the blade group to rotate and swing.

[0016] In some embodiments, the first stepper motor includes a motor body and a transmission shaft transmission-connected to the motor body; a transmission groove is recessed on one side of the driving gear; the side wall of the elastic conversion member abuts against the side wall of the transmission groove; one end of the transmission shaft is transmission-connected to the motor body, and the other end of the transmission shaft passes through the driving gear and is fixedly connected to the elastic conversion member; the driving gear rotates concentrically with the transmission shaft.

[0017] In some embodiments, the elastic conversion member includes a snap-fitting tooth protruding toward the transmission shaft; a snap-fitting groove is formed on a side wall of the transmission shaft; and the snap-fitting tooth is snap-fitted to the snap-fitting groove.

[0018] Based on the above structure and its connection mode, in the manual automatic air outlet assembly device provided by the embodiment of the utility model, the stepper motor actively drives the elastic conversion member to rotate, and at the same time drives the driving gear to rotate through the static friction between the elastic conversion member and the driving gear, and the driving gear drives the blade group to rotate and swing through the driven gear, so as to realize the electric adjustment of the air supply direction of the blade group; when the user makes manual adjustment, because the blade group is subjected to a large resistance, the resistance is transmitted to the driving gear and presents a large torque, and the static friction between the elastic conversion member and the driving gear is not enough to resist the reverse torque of the driving gear, and the elastic conversion member and the driving gear begin to move relative to each other, and the stepper motor continues to operate at this time and will not continue to be disturbed by the resistance of the blade group, and can continue to operate in the original direction. Furthermore, at this time, the air supply direction of the blade group can be manually adjusted, and will not cause damage to the stepper motor, so that the air supply direction of the blade group can be flexibly and freely switched to the manual adjustment mode when it is manually adjusted in the electric adjustment mode, and will not cause damage to the structure, thereby improving the adaptability of the manual automatic air outlet assembly device to passengers of multiple ages, and further improving the reliability and intelligence of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the structure of a manual-automatic air outlet assembly device provided in an embodiment of the utility model;

[0021] Figure 2 A schematic structural diagram of the manual-automatic integrated air outlet assembly device provided by an embodiment of the utility model from another angle;

[0022] Figure 3 A schematic diagram of the structure of the manual-automatic integrated air outlet assembly device from a rear view perspective provided in an embodiment of the utility model;

[0023] Figure 4 A schematic diagram of the structure behind the hidden shell in the manual-automatic integrated air outlet assembly device provided in an embodiment of the utility model;

[0024] Figure 5 A schematic diagram of the connection between a stepping motor, an elastic conversion member and a driving gear in a manual-automatic integrated air outlet assembly device provided in an embodiment of the utility model.

[0025] Among them, the specific reference numerals are:

[0026] 10. Manual and automatic air outlet assembly device; 100. Housing; 200. Blade group; 210. Front blade group; 211. Blade fixing member; 212. Front blade; 213. Front blade connecting rod; 220. Rear blade group; 221. Blade connecting rod; 222. Rear blade; 300. Stepper motor; 301. First stepper motor; 302. Second stepper motor; 310. Motor body; 320. Transmission shaft; 321. Snap-in slot; 40 0, elastic conversion member; 401, first elastic conversion member; 402, second elastic conversion member; 410, engaging tooth; 500, driving gear; 501, first driving gear; 502, second driving gear; 510, transmission slot; 600, driven gear; 601, first driven gear; 602, second driven gear; 700, manual adjustment dial; 710, toggle key; 720, transmission arm; 800, magnetic encoder; 810, induction magnet. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0029] It should also be understood that the terms used in the utility model specification are only for the purpose of describing specific embodiments and are not intended to limit the utility model. As used in the utility model specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0030] It should be further understood that the term “and / or” used in the present specification and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0031] See also Figure 1-Figure 5 ,like Figure 1As shown, the embodiment of the utility model provides a manual-automatic air outlet assembly device 10, including a housing 100, a blade group 200, a stepping motor 300, an elastic conversion member 400, a driving gear 500 and a driven gear 600; the blade group 200 is rotatably connected to the housing 100; the stepping motor 300 is fixedly connected to the housing 100; the stepping motor 300 is transmission-connected to the elastic conversion member 400; the elastic conversion member 400 abuts against the driving gear 500; the driving gear 500 meshes with the driven gear 600; the driven gear 600 is rotatably connected to the housing 100; It is rotatably connected to the housing 100 and is transmission-connected to the blade assembly 200; when the blade assembly 200 is not subjected to resistance, the elastic conversion member 400 and the driving gear 500 are relatively stationary, and the stepping motor 300 drives the driving gear 500 to rotate through the elastic conversion member 400 to drive the blade assembly 200 to rotate and swing; when the blade assembly 200 is subjected to resistance, the stepping motor 300 drives the elastic conversion member 400 to move relative to the driving gear 500, and the blade assembly 200 stops being driven by the stepping motor 300 to rotate and swing, so that the blade assembly 200 can be manually adjusted to swing.

[0032] In this embodiment, the manual-automatic air outlet assembly device 10 is installed inside the passenger compartment of the car, and is used to supply air and cool the interior of the passenger compartment in combination with the air conditioning system. Specifically, the manual-automatic air outlet assembly device 10 can be installed on the side wall, top or center control panel of the passenger compartment of the car. The housing 100 is the main structure of the manual-automatic air outlet assembly device 10. The interior of the housing 100 has a cavity, and the front end and the rear end of the cavity are connected, wherein the front end faces the space where the passengers are located inside the passenger compartment, and the rear end is connected to the air conditioning system. The housing 100 is fixedly connected to the side wall, top or center control panel of the passenger compartment. The blade group 200 is rotatably arranged inside the cavity of the housing 100. Specifically, the blade group 200 may include a plurality of blades parallel to each other, each blade having a blade body and a blade shaft, the blade shaft is fixedly connected to the cavity of the housing 100, and the blade body corresponding to the blade shaft is rotatably connected to the blade shaft and can rotate along the blade shaft, and can swing (reciprocate) within a certain angle range. Since each blade in the blade assembly 200 has a certain width, when the blade assembly 200 rotates and faces a certain direction, the wind generated by the air conditioning system sent from the rear end of the housing 100 can be guided by the blade assembly 200 and fixed in one direction for air supply. In order to achieve uniform air supply at various positions inside the cabin, the blade assembly 200 is driven by the stepping motor 300, the elastic conversion member 400, the driving gear 500 and the driven gear 600 to achieve automatic air sweeping.

[0033] Specifically, the transmission shaft 320 of the stepper motor 300 is connected to the elastic conversion member 400. When the transmission shaft 320 of the stepper motor 300 is actively rotated, the elastic conversion member 400 can be actively driven to rotate. Since the elastic conversion member 400 is in contact with the driving gear 500, there is static friction between the elastic conversion member 400 and the driving gear 500. Then, the elastic conversion member 400 can drive the driving gear 500 to rotate while being driven by the stepper motor 300. In this way, the stepper motor 300 transmits the driving gear 500 through the elastic conversion member 400. At the same time, since the driving gear 500 is meshed with the driven gear 600, the driving gear 500 can further drive the driven gear 600 to rotate. Since the driven gear 600 is connected to the blade group 200 in transmission, the driven gear 600 can further drive the blade group 200 to rotate and swing. The rotating shaft of the driving gear 500 can be connected to the housing 100 or to the stepper motor 300. The number of driven gears 600 can be set to one or more, and the driven gears 600 can be set to multiple gears to sequentially drive and drive the blade group 200 to rotate and swing, or each driven gear 600 can be set to drive a single blade to rotate and swing. The accuracy of the rotation angle of the blade group 200 can be controlled by setting the rotation angle accuracy of the transmission shaft 320 of the stepping motor 300. The damping range between the elastic conversion member 400 and the driving gear 500 can also be adjusted. When there is a torque exceeding a certain range between the elastic conversion member 400 and the driving gear 500, the elastic conversion member 400 and the driving gear 500 will slip.

[0034] The manual-automatic air outlet assembly device 10 has an electric adjustment mode and a manual adjustment mode. When in the electric adjustment mode, the stepper motor 300 drives the blade group 200 to automatically reciprocate within a certain angle range through the elastic conversion member 400, the driving gear 500 and the driven gear 600 to realize automatic wind sweeping. Alternatively, since the stepper motor 300 can be electrically and communicatively connected to the main control unit inside the car, the passenger can adjust the rotation direction and rotation angle of the transmission shaft 320 of the stepper motor 300 in a directionally and quantitatively manner by controlling the virtual control button or the physical control button connected to the CCM (Chassis Control Module) inside the car, so as to adjust the rotation of the blade group 200 to a wind sweeping state of a certain direction. When in the electric adjustment mode, if the passenger directly adjusts the direction of the blade group 200 by hand, the blade group 200 will be subject to resistance from the passenger's hand. At this time, if the blade assembly 200 is being driven by the stepper motor 300 to rotate in the first direction, and the resistance applied by the passenger forces the blade assembly 200 to rotate in the second direction, the rotation of the driven gear 600 and the driving gear 500 is hindered by the reverse torque, and thus the rotation of the driven gear 600 and the driving gear 500 is hindered. At the same time, since the stepper motor 300 continues to transmit and rotate in the first direction, the static friction between the elastic conversion member 400 and the driving gear 500 causes the driving gear 500 to further hinder the elastic conversion member 400 and the transmission shaft 320 of the stepper motor 300 from rotating. At this time, the static friction between the elastic conversion member 400 and the driving gear 500 will not be able to resist the reverse torque on the driving gear 500, and the driving gear 500 will end the relative static state with the elastic conversion member 400 and start relative movement, and the driving gear 500 is driven by the reverse torque to rotate in the second direction opposite to the first direction in which the stepper motor 300 is running. It can be seen that by setting the elastic conversion member 400, it can be achieved that in the electric adjustment mode, when the blade group 200 is subjected to the reverse resistance of the current electric operation direction, the transmission connection between the motor and the driving gear 500 can be promptly disengaged, thereby preventing the reverse resistance from further hindering the rotation of the transmission shaft 320 of the stepper motor 300, thereby avoiding damage to the stepper motor 300.

[0035] On the other hand, when in the electric adjustment mode, if the blade assembly 200 is being driven by the stepper motor 300 to rotate in the first direction, and the resistance applied by the passenger forces the blade assembly 200 to accelerate and rotate in the first direction, at this time, the static friction between the elastic conversion member 400 and the driving gear 500 cannot resist the positive torque suddenly applied to the driving gear 500, and then slip friction will also occur between the elastic conversion member 400 and the driving gear 500. No matter which direction the passenger manually applies resistance to the blade assembly 200, the electric adjustment mode will be converted to the manual adjustment mode. The reason is that when the stepper motor 300 senses that the reverse torque or the positive torque of the driving gear 500 suddenly increases to above the preset damping range, the stepper motor 300 will automatically stop running, thereby changing the wind direction adjustment mode of the manual-automatic integrated air outlet assembly device 10 to the manual adjustment mode. At this time, the transmission shaft 320 of the stepper motor 300 is locked, and the passenger can freely adjust the direction of the blade assembly 200, and the driving gear 500 and the elastic conversion member 400 are always in a slipping state. Through the mutual cooperation between the elastic conversion member 400 and the driving gear 500, a manual and automatic adjustment method for the air outlet direction of the air outlet is realized, which effectively meets the different adjustment requirements of passengers of different age groups and improves the reliability of the air outlet adjustment.

[0036] In one embodiment, if Figure 2 and Figure 3 As shown, the blade group 200 includes a front blade group 210 located at the front end of the shell 100 and a rear blade group 220 located inside the shell 100; the rear blade group 220 is perpendicular to the front blade group 210, and the rotation and swing axis of the rear blade group 220 is perpendicular to the rotation and swing axis of the front blade group 210.

[0037] In this embodiment, the first stepper motor 301 independently drives the front blade group 210 located at the front end of the shell 100, and the front blade group 210 is arranged in the cavity of the shell 100 toward the front end of the space where the passengers are located in the cabin, and each blade in the front blade group 210 can be arranged in the horizontal direction to achieve the up and down wind sweeping when swinging. The rear blade group 220 is arranged inside the cavity of the shell 100 and is located on the side of the front blade group 210 away from the front end of the shell 100. The rear blade group 220 is arranged vertically with the front blade group 210, and then, when the front blade group 210 sweeps up and down in the vertical direction, the rear blade group 220 can sweep left and right in the horizontal direction. The front blade group 210 and the rear blade group 220 cooperate with each other to realize the air supply in any direction. It can be understood that the front blade group 210 can also sweep left and right in the horizontal direction, and the rear blade group 220 can sweep up and down in the vertical direction.

[0038] In one embodiment, if Figure 2 and Figure 3 As shown, the stepper motor 300 includes a first stepper motor 301 and a second stepper motor 302; the first stepper motor 301 is fixedly connected to the outer wall of the shell 100; the second stepper motor 302 is fixedly connected to another outer wall of the shell 100 adjacent to the outer wall where the first stepper motor 301 is arranged.

[0039] In this embodiment, the first stepper motor 301 and the second stepper motor 302 are independently connected to the housing 100, and respectively power the front blade group 210 and the rear blade group 220. Specifically, the first stepper motor 301 is arranged on the outer wall of the housing 100, and the second stepper motor 302 is arranged on another outer wall of the housing 100 adjacent to the outer wall where the first stepper motor 301 is located. When the manual-automatic air outlet assembly device 10 is installed inside the passenger compartment of the automobile, the internal cavity of the housing 100 and the blade group 200 are exposed to the outside, and the outer wall of the housing 100, the first stepper motor 301 and the second stepper motor 302 are all enclosed inside the inner wall of the passenger compartment and are not exposed to the outside of the passenger compartment.

[0040] In one embodiment, if Figure 5 As shown, the first stepper motor 301 includes a motor body 310 and a transmission shaft 320 transmission-connected to the motor body 310; a transmission groove 510 is recessed on one side of the driving gear 500; the side wall of the elastic conversion member 400 is abutted against the side wall of the transmission groove 510; one end of the transmission shaft 320 is transmission-connected to the motor body 310, and the other end of the transmission shaft 320 passes through the driving gear 500 and is fixedly connected to the elastic conversion member 400; the driving gear 500 rotates concentrically with the transmission shaft 320.

[0041] In this embodiment, the motor body 310 is fixedly connected to the housing 100, and the transmission shaft 320 can be driven by the motor body 310 to rotate. A transmission groove 510 is recessed on one end surface of the driving gear 500, and the recessed direction of the transmission groove 510 is the same as the direction of the rotation axis of the driving gear 500. The side wall of the elastic conversion member 400 is tightly fitted on the inner side wall of the transmission groove 510. Specifically, the elastic conversion member 400 can be located in the transmission groove 510 as a whole or in part, and the elastic conversion member 400 and the side wall of the transmission groove 510 are tightly fitted by interference fit. The end of the transmission shaft 320 away from the motor body 310 passes through the driving gear 500, but there is no direct connection between the transmission shaft 320 and the driving gear 500. The transmission shaft 320 is connected to the driving gear 500 through the elastic conversion member 400, and the transmission shaft 320 and the driving gear 500 rotate concentrically, thereby realizing effective transmission of the driving gear 500 and ensuring the detachability from the driving gear 500. The elastic conversion member 400 is made of elastic materials such as resin. The elastic conversion member 400 can be set to a disc shape, the transmission groove 510 can be set to a circular groove shape, and the elastic conversion member 400 rotates concentrically with the transmission shaft 320. The elastic conversion member 400 in the disc shape is interference-fitted with the transmission groove 510 in the circular groove shape, the elastic conversion member 400 is located in the transmission groove 510 as a whole, and the side wall of the elastic conversion member 400 is tightly attached to the side wall of the transmission groove 510, so as to realize a stable connection with the driving gear 500 from all directions. At this time, the elastic conversion member 400, the driving gear 500 and the transmission shaft 320 all rotate concentrically. The second stepper motor 302 may be configured to have the same structure as the first stepper motor 301 .

[0042] In one embodiment, if Figure 5 As shown, the elastic conversion member 400 includes a locking tooth 410 protruding toward the transmission shaft 320 ; a locking groove 321 is formed on the side wall of the transmission shaft 320 ; and the locking tooth 410 is locked to the locking groove 321 .

[0043] In this embodiment, the elastic conversion member 400 can be firmly connected to the transmission shaft 320 through the relationship between the engaging teeth 410 and the engaging groove 321. The number of the engaging teeth 410 can be multiple or one. In the specific assembly process, a plurality of engaging grooves 321 parallel to the axial direction of the transmission shaft 320 can be recessed in the side wall of the transmission shaft 320 along the axial direction of the transmission shaft 320, and then the elastic conversion member 400 is engaged in the transmission groove 510, and finally each engaging tooth 410 is aligned with one end of the corresponding engaging groove 321, and each engaging tooth 410 is pressed into the engaging groove 321 at the same time. Among them, the length of the engaging teeth 410 can be slightly greater than the depth of the engaging groove 321. When the engaging teeth 410 are engaged in the engaging groove 321, the pressure between the engaging teeth 410 and the engaging groove 321 can be transmitted to the side wall of the transmission groove 510 to achieve an interference fit between the elastic conversion member 400 and the driving gear 500.

[0044] In one embodiment, if Figure 2 and Figure 3 As shown, the elastic conversion member 400 includes a first elastic conversion member 401 and a second elastic conversion member 402 ; the first elastic conversion member 401 is transmission-connected to the first stepper motor 301 ; the second elastic conversion member 402 is transmission-connected to the second stepper motor 302 .

[0045] In this embodiment, the first elastic conversion member 401 and the second elastic conversion member 402 are respectively fixedly connected to the transmission shaft 320 of the first stepper motor 301 and the transmission shaft 320 of the second stepper motor 302 to respectively follow the first stepper motor 301 and the second stepper motor 302 to operate.

[0046] In one embodiment, if Figure 2 and Figure 3 As shown, the driving gear 500 includes a first driving gear 501 and a second driving gear 502 ; the first stepper motor 301 is transmission-connected to the first driving gear 501 through a first elastic conversion member 401 ; the second stepper motor 302 is transmission-connected to the second driving gear 502 through a second elastic conversion member 402 .

[0047] In this embodiment, the first driving gear 501 abuts against the first elastic conversion member 401 to be driven to rotate by the first stepping motor 301. Correspondingly, the second driving gear 502 abuts against the second elastic conversion member 402 to be driven to rotate by the second stepping motor 302.

[0048] In one embodiment, if Figure 2 and Figure 3As shown, the driven gear 600 includes a first driven gear 601 and a second driven gear 602; the first stepper motor 301 is connected to the first driving gear 501 through the first elastic conversion member 401; the first driving gear 501 is connected to the front blade group 210 through the first driven gear 601; the first stepper motor 301 drives the first driving gear 501 to rotate through the first elastic conversion member 401 to drive the front blade group 210 to swing and rotate; the second driving gear 502 is connected to the rear blade group 220 through the second driven gear 602; the second stepper motor 302 drives the second driving gear 502 to rotate through the second elastic conversion member 402 to drive the rear blade group 220 to swing and rotate.

[0049] In this embodiment, the front blade group 210 is sequentially driven by the first stepper motor 301, the first elastic conversion member 401, the first driving gear 501, and the first driven gear 601. The first stepper motor 301, the first elastic conversion member 401, the first driving gear 501, and the first driven gear 601 together serve as a transmission group to control the front blade group 210 to rotate and swing, thereby realizing vertical up and down sweeping. At the same time, the second stepper motor 302, the second elastic conversion member 402, the second driving gear 502, and the second driven gear 602 together serve as a transmission group to control the rear blade group 220 to rotate and swing. In addition, the front blade group 210 and the rear blade group 220 are respectively controlled by two different transmission groups. When in the electric adjustment mode, if the passenger only manually adjusts one of the front blade group 210 and the rear blade group 220, the other one that is not manually adjusted will not stop the electric adjustment, thereby realizing the flexibility of wind direction adjustment. Since the rotation and swinging directions are perpendicular to each other, the transmission shaft 320 of the first stepper motor 301 and the transmission shaft 320 of the second stepper motor 302 are set to be perpendicular to each other, the rotation axes of the first driving gear 501 and the second driving gear 502 are also perpendicular to each other, and the rotation axes of the first driven gear 601 and the second driven gear 602 are also perpendicular to each other, thereby realizing rotation transmission in two perpendicular directions.

[0050] In one embodiment, if Figure 2 As shown, in order to enhance the integrity of the front blade group 210 and the stability of the connection with the shell 100, the front blade group 210 includes a blade fixing member 211 and a plurality of front blades 212 parallel to each other; the blade fixing members 211 are symmetrically arranged at both ends of each front blade 212, and both ends of each front blade 212 are respectively rotatably connected to the blade fixing members 211 located at both ends; the blade fixing member 211 is fixedly connected to the shell 100.

[0051] In this embodiment, each front blade 212 is parallel to each other, and both ends of each front blade 212 are respectively connected to the blade fixing parts 211 symmetrically arranged at both ends of each front blade 212. Specifically, the blade bodies of the front blades 212 are arranged in parallel, and two rotation pins protrude from both ends of the blade bodies of the front blades 212, and a plurality of slots adapted to the rotation pins are arranged in parallel on the blade fixing parts 211. For each front blade 212, the rotation pin at the first end is embedded in the first slot on the blade fixing part 211 corresponding to the end, and the rotation pin at the second end is embedded in the second slot on the other blade fixing part 211 corresponding to the end, and the first slot and the second slot are opposite to each other. By embedding the two rotating pins of each front blade 212 into a pair of slots facing each other, each front blade 212 can be pre-assembled into a front blade group 210 with a plurality of front blades 212 parallel to each other. In the subsequent assembly process, the two blade fixing members 211 at both ends of the front blade group 210 can be directly fixed to the inner wall of the housing 100 to complete the installation of the front blade group 210. This arrangement makes the front blade group 210 more integrated and stable, and easy to assemble and disassemble. Among them, a front blade connecting rod 213 can also be provided in the front blade group 210, and a plurality of slots are provided on the front blade connecting rod 213, each of which is respectively connected to the rotating pin at the first end of a single front blade 212, so as to connect each front blade 212 in parallel with each other. Then, when the passenger moves a single front blade 212, the remaining front blades 212 will also swing in the same direction with the moved front blade 212 to ensure the uniformity of the air supply direction.

[0052] In one embodiment, if Figure 2 and Figure 3 As shown, in order to provide a reliable manual adjustment structure for the air supply direction, the manual-automatic air outlet assembly device 10 also includes a manual adjustment knob 700; the manual adjustment knob 700 includes a toggle key 710 and a transmission arm 720 fixedly connected to the toggle key 710; the toggle key 710 is connected to a side of the front blade group 210 away from the rear blade group 220, and protrudes from the front end of the shell 100; the transmission arm 720 is movably connected to the rear blade group 220; the manual adjustment knob 700 can drive the front blade group 210 to rotate and swing, and can move axially along the front blade group 210 while driving the rear blade group 220 to rotate and swing.

[0053] In this embodiment, the toggle key 710 in the manual adjustment dial 700 protrudes from the front end of the housing 100, and the rear end of the toggle key 710 faces the rear end of the housing 100 and is connected to the transmission arm 720. The toggle key 710 is connected to the front blade group 210, and the toggle key 710 can slide along the axial direction of the blade extension along the front blade group 210. The two ends of the transmission arm 720 are respectively connected to the toggle key 710 and the rear blade group 220. When the toggle key 710 is slid along the axial direction of the front blade group 210 by the passenger, the rear blade group 220 is driven by the transmission arm 720 to rotate and swing; when the toggle key 710 is toggled by the passenger in a direction perpendicular to the front blade group 210, the front blade group 210 is driven to rotate and swing. The passenger can adjust the front blade group 210 and the rear blade group 220 independently or simultaneously through the manual adjustment dial 700. The toggle key 710 can be movably connected to a single front blade 212, or can be movably connected to each front blade 212 at the same time. The connection between the transmission arm 720 and the rear blade group 220 needs to be a movable connection, and the transmission arm 720 can rotate around the connection point to achieve adjustment in different directions.

[0054] In one embodiment, if Figure 3 and Figure 4 As shown, the rear end blade group 220 includes a blade connecting rod 221 and a plurality of rear end blades 222 parallel to each other; the two ends of each rear end blade 222 are rotatably connected to the side walls on both sides inside the shell 100; each rear end blade 222 can be rotatably connected to the blade connecting rod 221, and the blade connecting rod 221 and each rear end blade 222 are perpendicular to each other; the second driven gear 602 is transmission-connected to at least one rear end blade 222; when the rear end blade 222 transmission-connected to the second driven gear 602 is driven by the second driven gear 602 to rotate and swing, the blade connecting rod 221 drives each rear end blade 222 to rotate and swing at the same time.

[0055] In this embodiment, both ends of each rear blade 222 are provided with protruding rotating shafts, and a plurality of opposite sets of shaft holes are respectively provided on the opposite side walls inside the housing 100. The rotating shafts at both ends of each rear blade 222 are respectively embedded in two opposite shaft holes in a set of shaft holes, and thus, each rear blade 222 can be rotatably connected inside the housing 100. The rear blades 222 in the rear blade group 220 are connected by a blade connecting rod 221, and the blade connecting rod 221 is perpendicular to each rear blade 222, and the blade connecting rod 221 is rotatably connected to each rear blade 222. Specifically, a connecting rod shaft can be provided on the rear blade 222, and an opening can be provided on the blade connecting rod 221, and each opening is respectively sleeved on the connecting rod shaft of the corresponding rear blade 222. By providing the blade connecting rod 221, the rear blades 222 are connected as a whole. When the air outlet direction of a single rear blade 222 is changed manually or electrically, the blade connecting rod 221 can ensure that the rear blades 222 are adjusted at the same time. The second driven gear 602 is connected to at least one rear blade 222 in a transmission manner. The existence of the blade connecting rod 221 enables the second driven gear 602 to only be connected to one rear blade 222 to ensure that all rear blades 222 are driven by the stepping motor 300, thereby reducing the complexity of the structure.

[0056] In one embodiment, if Figure 3 and Figure 4 As shown, in order to further ensure the reliability when switching between the manual adjustment mode and the electric adjustment mode, the manual-automatic air outlet assembly device 10 also includes a magnetic encoder 800 and an inductive magnet 810; the inductive magnet 810 is fixedly connected to the driving gear 500 or the driven gear 600; the magnetic encoder 800 is fixedly connected to the housing 100 and is arranged opposite to the inductive magnet 810; the magnetic encoder 800 is electrically connected to the stepping motor 300; when the driving gear 500 drives the inductive magnet 810 to move relative to the magnetic encoder 800, the magnetic encoder 800 The inductive magnet 810 senses the rotation speed of the driving gear 500 to sense the rotation speed of the blade group 200; or, when the driven gear 600 drives the inductive magnet 810 to move relative to the magnetic encoder 800, the magnetic encoder 800 senses the rotation speed of the driven gear 600 through the inductive magnet 810 to sense the rotation speed of the blade group 200; when the rotation speed change rate of the blade group 200 is greater than the preset change rate, the magnetic encoder 800 controls the stepping motor 300 to stop driving the driving gear 500 to rotate, so as to stop driving the blade group 200 to rotate and swing.

[0057] In this embodiment, when the induction magnet 810 is driven by the driving gear 500 or the driven gear 600 to move, the magnetic encoder 800 can obtain the magnetic field change of the induction magnet 810, and then obtain the magnetic field change speed of the induction magnet 810, and then know the rotation speed of the driving gear 500 or the driven gear 600. When in the electric adjustment mode, the stepper motor 300 drives the driving gear 500 and the driven gear 600 to rotate at a constant speed. When the user manually adjusts the blade assembly 200, the rotation speed of the driving gear 500 and the driven gear 600 will suddenly change, that is, the change rate is greater than the preset change rate (set to a specific value, such as the preset change rate is 0), and the magnetic encoder 800 can immediately sense that the change rate of the magnetic field change speed of the induction magnet 810 is greater than the preset change rate, thereby actively stopping the operation of the stepper motor 300. Specifically, the magnetic encoder 800 can be connected to the CCM in the car. When the magnetic encoder 800 senses a sudden change in the speed of the induction magnet 810, it can send a stop signal to the CCM and feedback the sudden change angle of the blade group 200 after the sudden change. Subsequently, the CCM will control the stepper motor 300 to stop running. It can be seen that when the passenger manually adjusts the blade group 200 in the electric adjustment mode, the mutual cooperation of the magnetic encoder 800 and the induction magnet 810 can further confirm the sudden change of the blade group 200 at this time, and stop the stepper motor 300. On the basis of the hard connection between the elastic conversion member 400 and the driving gear 500, the motor is further prevented from being damaged. Among them, the induction magnet 810 can be embedded in the rotation axis of the driving gear 500 or the driven gear 600, and rotate concentrically with the driving gear 500 or the driven gear 600 to ensure that the magnetic encoder 800 receives the magnetic field change of the induction magnet 810 within a smaller range, thereby improving the sensitivity and reliability of the induction.

[0058] It can be seen that in the manual-automatic air outlet assembly device provided by the embodiment of the utility model, the stepper motor actively drives the elastic conversion member to rotate, and at the same time drives the driving gear to rotate through the static friction between the elastic conversion member and the driving gear, and the driving gear drives the blade group to rotate and swing through the driven gear, so as to realize the electric adjustment of the air supply direction of the blade group; when the user makes manual adjustment, because the blade group is subjected to a large resistance, the resistance is transmitted to the driving gear and presents a large torque, and the static friction between the elastic conversion member and the driving gear is not enough to resist the reverse torque of the driving gear, and the elastic conversion member and the driving gear begin to move relative to each other, and the stepper motor continues to operate at this time and will not continue to be disturbed by the resistance of the blade group, and can continue to operate in the original direction. Furthermore, at this time, the air supply direction of the blade group can be manually adjusted, and will not cause damage to the stepper motor, so that the air supply direction of the blade group can be flexibly and freely switched to the manual adjustment mode when it is manually adjusted in the electric adjustment mode, and will not cause damage to the structure, thereby improving the adaptability of the manual-automatic air outlet assembly device to passengers of multiple ages, and further improving the reliability and intelligence of the structure.

[0059] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A manual and automatic air outlet assembly device, characterized in that: The invention comprises a housing, a blade group, a stepper motor, an elastic conversion member, a driving gear and a driven gear; the blade group is rotatably connected to the housing; the stepper motor is fixedly connected to the housing; the stepper motor is transmission-connected to the elastic conversion member; the elastic conversion member abuts against the driving gear; the driving gear meshes with the driven gear; the driven gear is rotatably connected to the housing and transmission-connected to the blade group; When the blade group is not subject to resistance, the elastic conversion member and the driving gear are relatively stationary, and the stepper motor drives the driving gear to rotate through the elastic conversion member to drive the blade group to rotate and swing; when the blade group is subject to resistance, the stepper motor drives the elastic conversion member to move relative to the driving gear, and the blade group stops being driven by the stepper motor to rotate and swing, so that the blade group can be manually adjusted to swing.

2. The manual-automatic air outlet assembly device according to claim 1, characterized in that: The blade group includes a front blade group located at the front end of the shell and a rear blade group located inside the shell; the rear blade group is perpendicular to the front blade group, and the rotation and swing axis of the rear blade group is perpendicular to the rotation and swing axis of the front blade group.

3. The manual-automatic air outlet assembly device according to claim 2, characterized in that: The stepper motor includes a first stepper motor and a second stepper motor; the first stepper motor is fixedly connected to the outer side wall of the shell; the second stepper motor is fixedly connected to another outer side wall of the shell adjacent to the outer side wall where the first stepper motor is arranged.

4. The manual-automatic air outlet assembly device according to claim 3, characterized in that: The first stepper motor comprises a motor body and a transmission shaft connected to the motor body; a transmission groove is formed in a recessed manner on one side of the driving gear; a side wall of the elastic conversion member is abutted against a side wall of the transmission groove; one end of the transmission shaft is connected to the motor body, and the other end of the transmission shaft passes through the driving gear and is fixedly connected to the elastic conversion member; The driving gear rotates coaxially with the transmission shaft.

5. The manual-automatic air outlet assembly device according to claim 4, characterized in that: The elastic conversion member comprises a locking tooth protruding toward the transmission shaft; a locking groove is formed on the side wall of the transmission shaft; and the locking tooth is locked to the locking groove.

6. The manual-automatic air outlet assembly device according to claim 3, characterized in that: The elastic conversion member includes a first elastic conversion member and a second elastic conversion member; the first elastic conversion member is transmission-connected to the first stepper motor; the second elastic conversion member is transmission-connected to the second stepper motor.

7. The manual-automatic air outlet assembly device according to claim 6, characterized in that: The driving gear includes a first driving gear and a second driving gear; the first stepper motor is transmission-connected to the first driving gear via the first elastic conversion member; the second stepper motor is transmission-connected to the second driving gear via the second elastic conversion member.

8. The manual-automatic air outlet assembly device according to claim 7, characterized in that: The driven gear includes a first driven gear and a second driven gear; the first driving gear is connected to the front blade group through the first driven gear; the first stepper motor drives the first driving gear to rotate through the first elastic conversion member to drive the front blade group to swing and rotate; the second driving gear is connected to the rear blade group through the second driven gear; the second stepper motor drives the second driving gear to rotate through the second elastic conversion member to drive the rear blade group to swing and rotate.

9. The manual-automatic air outlet assembly device according to any one of claims 2 to 8, characterized in that: It also includes a manual adjustment knob; the manual adjustment knob includes a toggle key and a transmission arm fixedly connected to the toggle key; the toggle key is connected to a side of the front blade group away from the rear blade group, and protrudes from the front end of the shell; the transmission arm is movably connected to the rear blade group; the manual adjustment knob can drive the front blade group to rotate and swing, and can move axially along the front blade group while driving the rear blade group to rotate and swing.

10. The manual-automatic air outlet assembly device according to any one of claims 1 to 8, characterized in that: It also includes a magnetic encoder and an induction magnet; the induction magnet is fixedly connected to the driving gear or the driven gear; the magnetic encoder is fixedly connected to the housing and is arranged opposite to the induction magnet; the magnetic encoder is electrically connected to the stepper motor; when the driving gear drives the induction magnet to move relative to the magnetic encoder, the magnetic encoder senses the rotation speed of the driving gear through the induction magnet to sense the rotation speed of the blade group; or, when the driven gear drives the induction magnet to move relative to the magnetic encoder, the magnetic encoder senses the rotation speed of the driven gear through the induction magnet to sense the rotation speed of the blade group; When the rotation speed change rate of the blade assembly is greater than a preset change rate, the magnetic encoder controls the stepping motor to stop driving the driving gear to rotate, so as to stop driving the blade assembly to rotate and swing.

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