An air distributor

Abstract

The application discloses a kind of air distributors, it is related to the technical field of automobile air conditioner, including at least two air vents of shell being provided with, still including a pair of wind shield components, it is respectively rotationally installed in each air vent, the limiting accommodating groove that is opened in the shell is adapted with wind shield component opening and closing track, drive motor, it is installed on the shell outer wall, the output shaft of drive motor is installed with carousel, the end surface of carousel is respectively opened with the track groove that each wind shield component is matched, elastic abutting member, one end is elastically hinged in the shell interior, the other end is abutted with one of wind shield components, when the carousel is rotated by drive motor drive, each wind shield component is swung by track groove, and the alternate opening and closing of each air vent are realized.The carousel with specific track groove is set to be linked in the application, and the double action mechanism of elastic abutting member is matched, the multiple air vents of single motor drive are realized Alternately or synchronous opening and closing of air guide.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile air conditioning, in particular to a air distributor. BACKGROUND

[0002] The air distributor on the vehicle-mounted air conditioner is a key component for adjusting and distributing the airflow direction, air volume and temperature of the air conditioner outlet, and its main function is to distribute the cold / heat air generated by the air conditioning system to different areas such as the face, feet and windshield according to the needs of the driver and passengers, so as to achieve precise control of the vehicle interior environment and improve comfort.

[0003] The existing patent application with patent publication number CN213056621U, published on April 27, 2021, is named "a breeze air conditioner outlet structure and a vehicle-mounted air conditioner", which includes a shell, the inside of the shell is hollow and forms an air duct, one end of the air duct is an air inlet, the other end is bifurcated to form a first air outlet channel and a second air outlet channel; the air outlet end of the first air outlet channel is provided with a first air outlet, the first air outlet is provided with a first air outlet mechanism, the air outlet end of the second air outlet channel is provided with a second air outlet, the second air outlet is provided with a second air outlet mechanism; the air inlet end of the first air outlet channel is provided with a first air door structure, the first air door structure is used to control the opening or closing of the first air outlet channel. By controlling the opening of the first air door structure, the first air outlet mechanism and the second air outlet mechanism can simultaneously blow air, which realizes the purpose of increasing the air outlet area, reducing the air outlet speed and achieving the breeze feeling without reducing the air volume.

[0004] The above-mentioned application has the problem that the conventional air distributor generally has the problem that the sealing element in the air baffle assembly fails or foreign matter adheres to cause air leakage due to loose closing, and the abnormal noise problem caused by the vibration of the air baffle under high-speed airflow conditions also needs to be solved. Although the mainstream magnetic sealing structure on the market can improve the sealing performance under the closed state, the additional electromagnetic mechanism significantly increases the manufacturing cost. SUMMARY

[0005] The purpose of the present application is to provide an air distributor to solve the above-mentioned problems in the prior art.

[0006] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] The utility model provides a kind of air distributor, including the shell of being equipped with at least two ventilation openings, also including a pair of wind shield components, which are respectively installed in each ventilation opening, the shell is provided with the limiting accommodation groove that is adapted with the opening and closing track of wind shield component, drive motor is installed on the shell outer wall, the output shaft of the drive motor is installed with carousel, the end surface of the carousel is respectively provided with the track groove that is matched with each wind shield component, and the other end is matched with one of wind shield components, when the drive motor drives carousel rotation, each wind shield component is swung by track groove, and the alternate opening and closing of each ventilation opening is realized, and when one of wind shield components opens, elastic abutting piece continuously collides with it, and when it closes, elastic abutting piece applies force to it in closing direction again.

[0008] Preferably, the shell outer wall is clamped and fixed with a mounting bracket, one side of the mounting bracket is fixed with a motor mounting seat, the other side is provided with a containing cavity containing the carousel, and the containing cavity is annularly distributed with a plurality of anti-dropping clamping blocks.

[0009] Preferably, the wind shield component includes a wind shield plate, a central shaft is installed on the wind shield plate, one end of the central shaft penetrates the shell and is installed with a crank, and one end of the crank is inserted into the track groove.

[0010] Preferably, the elastic abutting piece includes a crossbar installed in the shell, a connecting bracket is elastically connected to the crossbar, one end of the connecting bracket is fixedly connected with a pressing rod, and one side of the wind shield plate is fixedly connected with a abutting rack matched with the pressing rod.

[0011] Preferably, a sleeve is rotatably sleeved on the end of the crossbar, a driven gear ring is fixedly connected to one end of the sleeve, a fan-shaped abutting tooth matched with the bottom of the driven gear ring is fixedly connected to one side of the wind shield plate, a sleeve is coaxially sleeved on the other end of the sleeve, a top spring is installed between the sleeve and the shaft sleeve, an abutting tooth is fixedly connected to the end surface of the sleeve, the other end of the connecting bracket is symmetrically installed in the shaft sleeve sleeved on the crossbar, a torsion spring is installed between the shaft sleeve and the crossbar, and an abutting block matched with the abutting tooth is fixedly connected to the end surface of the shaft sleeve.

[0012] Preferably, a sealing strip is arranged on the edge of the wind shield plate, the pressing rod synchronously abuts against the sealing strip and the wind shield plate, arc-shaped abutting grooves axially coinciding with each other are respectively arranged on the wind shield plate and the sealing strip, and a deviation-preventing butt joint groove is arranged on one side of the inner wall of the limiting accommodation groove, the arc-shaped abutting grooves and the deviation-preventing butt joint groove are matched with the pressing rod, and when the wind shield plate is completely opened, the pressing rod enters the arc-shaped abutting grooves and the deviation-preventing butt joint groove.

[0013] Preferably, one side of the shell is rotatably provided with a closing anti-loosening part, one end of the closing anti-loosening part is in transmission connection with one of the wind shielding assemblies, when the wind shielding assembly is closed, the friction between the closing anti-loosening part and the wind shielding assembly is increased, at this time, the other wind shielding assembly is in plug-in cooperation with the closing anti-loosening part when being closed.

[0014] Preferably, the closing anti-loosening part comprises a connecting shaft rod penetrating through one side of the shell, the central shaft rod is fixedly connected with a fan-shaped transmission tooth on one side of the wind shielding plate, one end of the connecting shaft rod is fixedly connected with a driven gear in mesh with the fan-shaped transmission tooth, the other end of the connecting shaft rod is fixedly connected with a cam, the two cranks are sleeved with an elastic band in abutting cooperation with the cam protruding part.

[0015] Preferably, the end surface of the driven gear is fixedly connected with an abutting disc, the outer circumferential surface of the abutting disc is fixedly provided with a plug-in groove for the other wind shielding assembly, when the connecting shaft rod drives the cam protruding part to abut against the inner wall of the elastic band, the slot of the plug-in groove is in the active path of the plug-in part.

[0016] Preferably, the inner side of the sealing strip is provided with an abutting spring in the arc-shaped abutting groove, the end of the abutting spring is fixedly connected with a top cover, when the pressing rod enters the arc-shaped abutting groove, the end of the pressing rod is in abutting cooperation with the top cover.

[0017] In the above technical solution, the rotating disc with a specific track groove is set to be linked, and the double action mechanism of the elastic abutting part is matched, so as to realize the alternating or synchronous opening and closing of the multiple ventilation openings under the driving of a single motor, wherein the adaptive design of the limiting accommodating groove and the movement track of the wind shielding assembly solves the movement interference problem of the traditional air distributor, the elastic abutting part respectively implements the collision excitation and the closing force compensation in the opening and closing process of the wind shielding assembly, so that the elastic abutting part vibrates to shake off the attached sundries in the opening process of the wind shielding assembly, and the wind shielding assembly can receive additional force from the elastic abutting part after being closed, which significantly improves the sealing efficiency of the wind shielding assembly and reduces the noise generated by the closed wind shielding assembly when the high-speed airflow passes through.

[0018] It should be understood that the foregoing general description and the following detailed description are only exemplary and illustrative, but not for limiting the present disclosure.

[0019] The present application file provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed in the embodiments will be briefly introduced. Obviously, the accompanying drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of the air distributor of the present application.

[0022] Figure 2 It is a schematic diagram of the connection of the housing, the wind blocking assembly and the closure anti-loosening part in the air distributor of the present application.

[0023] Figure 3 It is a schematic diagram of the inner side structure of the mounting rack in the air distributor of the present application.

[0024] Figure 4 It is a sectional view of the air distributor of the present application.

[0025] Figure 5 It is a schematic diagram of the connection of the rotating disc and the wind blocking assembly in the air distributor of the present application.

[0026] Figure 6 It is a schematic diagram of the connection of the closure anti-loosening part and the wind blocking assembly in the air distributor of the present application.

[0027] Figure 7 It is a schematic diagram of the structure of the wind blocking assembly in the air distributor of the present application.

[0028] Figure 8 It is a schematic diagram of the structure of the elastic pressing part in the air distributor of the present application.

[0029] Explanation of reference signs:

[0030] 1, housing; 101, air vent; 102, limiting and containing groove; 103, anti-deviation butt joint groove; 2, wind blocking assembly; 201, wind blocking plate; 202, central shaft; 203, crank; 204, sealing strip; 205, arc-shaped abutment groove; 206, fan-shaped transmission tooth; 207, abutment rack; 208, abutment spring; 209, top cover; 210, fan-shaped abutment tooth; 3, driving motor; 301, rotating disc; 302, track groove; 4, elastic pressing part; 401, cross rod; 402, connecting rack; 403, pressing rod; 405, sleeve; 406, driven tooth ring; 408, sleeve; 409, shaft sleeve; 410, top spring; 411, pressing tooth; 412, torsion spring; 413, abutment block; 5, mounting rack; 501, motor mounting seat; 502, containing cavity; 503, anti-falling block; 6, closure anti-loosening part; 601, connecting shaft; 603, driven gear; 604, cam; 605, elastic band; 606, abutment disc; 607, insertion slot; 7, insertion part. DETAILED DESCRIPTION

[0031] In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are only a part of embodiments of the present disclosure, rather than all the embodiments of the present disclosure. Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present disclosure.

[0032] Referring to Figures 1-8 The embodiment of the present application provides a wind distributor, which comprises a shell 1 provided with at least two air vents 101, a pair of wind blocking assemblies 2 rotatably installed in the air vents 101 respectively, a limiting accommodating groove 102 provided in the shell 1 and matched with the opening and closing track of the wind blocking assemblies 2, a driving motor 3 installed on the outer wall of the shell 1, a rotating disc 301 installed on the output shaft of the driving motor 3, a track groove 302 provided on the end surface of the rotating disc 301 and matched with the wind blocking assemblies 2, and an elastic abutting part 4 elastically hinged to the inside of the shell 1 at one end and abuttingly matched with one of the wind blocking assemblies 2 at the other end. When the rotating disc 301 is driven to rotate by the driving motor 3, the wind blocking assemblies 2 are swung through the track groove 302, the alternating opening and closing of the air vents 101 is realized, and when one of the wind blocking assemblies 2 is opened, the elastic abutting part 4 continuously collides with it, and when the wind blocking assembly 2 is closed, the elastic abutting part 4 applies a force to it in the closing direction.

[0033] Specifically, the shell 1 is a main body of a air distributor, wherein the shell 1 is provided with at least two air vents 101 for switching of air flow channels, the shell 1 is provided with a limiting accommodating groove 102 matched with a movement track of the air blocking assembly 2, the depth of the limiting accommodating groove 102 plus the width of the inner cavity of the shell 1 is just adapted to the width of the air blocking assembly 2, meanwhile, the shape of the limiting accommodating groove 102 is matched with the opening and closing swing range of the air blocking assembly 2, so as to ensure that the air blocking assemblies 2 do not interfere with each other during independent swinging, the air blocking assembly 2 hinged in the shell 1 is located at an air duct for controlling opening and closing of the corresponding air vent 101, the driving motor 3 is fixed outside the shell 1, the output shaft of the driving motor 3 is connected with a rotating disc 301, two track grooves 302 are formed in the end surface of the rotating disc 301, the central shaft of the air blocking assembly 2 is connected with the track grooves 302 through a connecting part, when the rotating disc 301 is driven to rotate by the motor, the different curves of the two track grooves 302 ensure that the two air blocking assemblies 2 can be opened and closed simultaneously or alternately, so as to realize rotation of the air guiding of the air vents 101, and the elastic abutting member 4 can abut against one of the air blocking assemblies 2, during opening of the air blocking assembly 2, the elastic abutting member 4 can continuously vibrate the air blocking assembly 2, so as to shake off the dirt attached to the air blocking assembly 2, and after the air blocking assembly 2 is closed, the pre-tightening force of the elastic abutting member 4 is in the same direction as the closing direction of the air blocking assembly 2, so that the sealing performance of the air blocking assembly 2 is greatly improved, through the cooperative design of mechanical linkage and elastic compensation, the single motor can realize precise control of the multiple air vents 101, and the air distributor has the functions of self-cleaning and high sealing performance.

[0034] Compared with the prior art, the air distributor of the embodiment of the application realizes alternating or synchronous opening and closing of the multiple air vents 101 driven by a single motor through linkage of the rotating disc 301 provided with the specific track grooves 302 and the double action mechanism of the elastic abutting member 4, wherein the limiting accommodating groove 102 matched with the movement track of the air blocking assembly 2 solves the problem of movement interference of the traditional air distributor, the elastic abutting member 4 respectively implements collision excitation and closing force compensation during opening and closing of the air blocking assembly 2, so as to make the elastic abutting member vibrate to shake off the dirt attached to the air blocking assembly 2 during opening of the air blocking assembly 2, and the air blocking assembly 2 can receive additional force from the elastic abutting member after being closed, so that the sealing performance of the air blocking assembly 2 is significantly improved, and the noise generated by the closed air blocking assembly 2 when high-speed air flows through is reduced.

[0035] In a further embodiment of the present application, the outer wall of the shell 1 is clamped and fixed with a mounting rack 5, one side of the mounting rack 5 is fixed with a motor mounting seat 501, the other side is provided with a containing cavity 502 containing the rotating disc 301, and a plurality of anti-disengagement clamping blocks 503 are arranged in the containing cavity 502 in a ring shape. Specifically, the outer wall of the shell 1 is clamped and fixed with the mounting rack 5, the mounting rack 5 is made of integrally formed engineering plastic material, one side of the mounting rack 5 is provided with the motor mounting seat 501, the driving motor 3 is fixed outside the shell 1 through bolts, the other side of the mounting seat is designed with a circular containing cavity 502, the inner diameter of the cavity is slightly larger than the diameter of the rotating disc 301, and the containing cavity 502 is used for containing the rotating disc 301 and limiting the radial deviation of the rotating disc 301, a plurality of anti-disengagement clamping blocks 503 are uniformly distributed along the circumferential direction of the inner wall of the containing cavity 502, the anti-disengagement clamping blocks 503 are pushed away before the rotating disc 301 enters the containing cavity 502, and after the rotating disc 301 enters, the anti-disengagement clamping blocks 503 are matched with the outer end surface edge of the rotating disc 301, so as to prevent the rotating disc 301 from disengaging when rotating at high speed, and at the same time, the rotating disc 301 is allowed to rotate freely in the cavity, the mounting rack 5 and the shell 1 are connected through the buckle type connecting piece to realize quick disassembly and assembly, and the maintenance is facilitated, when the driving motor 3 operates, the rotating disc 301 rotates in the containing cavity 502, the anti-disengagement clamping blocks 503 suppress the axial displacement of the rotating disc 301 through mechanical limiting, and the stability of the trajectory groove 302 and the connecting rod transmission of the wind shield assembly 2 is ensured; the rigid structure of the mounting rack 5 effectively disperses the motor vibration and reduces the noise, at the same time, the clamping design simplifies the modular assembly process of the motor and the rotating disc 301, and improves the equipment reliability and maintenance efficiency.

[0036] In a further embodiment of the present application, the wind shield assembly 2 comprises a wind shield plate 201, a central shaft 202 is installed on the wind shield plate 201, one end of the central shaft 202 penetrates the shell 1 and is installed with a crank 203, one end of the crank 203 is inserted into the track groove 302, specifically, the central shaft 202 penetrates the side wall of the shell 1 through a sealing bearing and extends to the outside, the L-shaped crank 203 is connected and fixed to the exposed end of the central shaft 202 through a key groove, the free end of the crank 203 is embedded in the track groove 302 of the rotating disc 301, and the two are gap-fitted, a double-sealed rubber ring is arranged at the penetration position of the shell 1 and the central shaft 202 to prevent air leakage, and when the wind shield plate 201 is closed, it is tightly attached to the inner wall of the limiting containing groove 102 to prevent air flow from passing through the wind shield plate 201 and being discharged from the corresponding air vent 101, when the driving motor 3 drives the rotating disc 301 to rotate, the curve profile position of the track groove 302 changes to drive the crank 203 to swing, and then drives the central shaft 202 and the wind shield plate 201 to rotate around the shaft, thereby realizing the opening and closing control of the air vent 101, the cranks 203 of the two wind shield assemblies 2 are inserted into the track grooves 302 of the same rotating disc 301 with a phase difference, and during the continuous rotation of the rotating disc 301, the two air vents 101 corresponding to the wind shield assemblies 2 have four states of alternating opening and closing and synchronous opening and closing, and the elastic pressing piece 4 removes dust through high-frequency collision when the wind shield plate 201 is opened, and enhances the pressing effect of the wind shield plate 201 and the limiting containing groove 102 in the shell 1 through pre-tightening force when the wind shield plate 201 is closed, and finally realizes low-noise and high-sealing alternating air guiding.

[0037] In a further embodiment of the present application, the elastic pressing piece 4 comprises a cross rod 401 installed in the shell 1, the cross rod 401 is elastically connected with a connecting frame 402, one end of the connecting frame 402 is fixedly connected with a pressing rod 403, and one side of the wind shield plate 201 is symmetrically fixedly connected with an abutting rack 207 abutting with the pressing rod 403, specifically, the cross rod 401 is fixed horizontally in the shell 1, the pressing rod 403 is also pressed horizontally on the wind shield plate 201, the connecting frame 402 is used to fix the pressing rod 403 and enable the pressing rod 403 to rotate around the cross rod 401 under the extrusion of the wind shield assembly 2, a silica gel buffer head is additionally installed at the end of the pressing rod 403, when the wind shield plate 201 is turned open, the abutting rack 207 will continuously contact the pressing rod 403, the wind shield plate 201 is vibrated by the pressing rod 403 pressing the abutting rack 207, and then the attached sundries on the wind shield assembly 2 are shaken off, and the surface dust of the wind shield assembly 2 can be cleaned every time the wind shield assembly 2 is opened and closed, thereby avoiding that too much sundries and dust affect the sealing effect of the completely sealed wind shield assembly 2.

[0038] In a further embodiment of the present application, the end of the cross rod 401 is sleeved with a sleeve 405, one end of the sleeve 405 is fixedly connected with a driven gear ring 406, one side of the wind shield 201 is fixedly connected with a fan-shaped abutting tooth 210 engaged with the bottom of the driven gear ring 406, the other end of the sleeve 405 is coaxially sleeved with a sleeve 408 connected with a sleeve 409, the inner wall of the sleeve 408 is fixedly connected with a sliding block, the outer side of the sleeve 405 is horizontally provided with a sliding groove matched with the sliding block, the sleeve 408 and the sleeve 409 are installed with a top spring 410, the end surface of the sleeve 408 is fixedly connected with an abutting tooth 411, the other end of the connecting frame 402 is symmetrically installed on the sleeve 409 sleeved on the cross rod 401, the sleeve 409 and the cross rod 401 are installed with a torsional spring 412, the end surface of the sleeve 409 is fixedly connected with an abutting block 413 abutting matched with the abutting tooth 411, specifically, when the wind shield 201 is opened by rotating, the fan-shaped abutting tooth 210 drives the driven gear ring 406 and the sleeve 405 to rotate synchronously, the abutting block 413 on the sleeve 409 is pushed by the abutting tooth 411 of the sleeve 408, the force generated by the rotation of the sleeve 408 is transmitted to the connecting frame 402 through the collision of the abutting tooth 411 and the abutting block 413, so that the connecting frame 402 and the pressing rod 403 are self-high-frequency oscillated, the top spring 410 can not only push the sleeve 408 to axially displace on the sleeve 405, so that the abutting tooth 411 and the abutting block 413 are engaged together, but also can be contracted and stored energy when the abutting tooth 411 and the abutting block 413 are pushed together, so that the abutting tooth 411 can quickly impact the connecting frame 402, the pressing rod 403 is high-frequency impacted on the wind shield 201 through the connecting frame 402, and further vibration impurity removal is realized, at the same time, the torsional spring 412 in the shaft rod can ensure that the connecting frame 402 continuously abuts against the wind shield 201 with the pressing rod 403, after the wind shield 201 is closed, the radial component force is generated by the wedge-shaped inclined surface of the abutting tooth 411 and the abutting block 413, the locking pre-tightening force is formed by the top spring 410 pressing the sleeve 408, and the anti-airflow-impact stability of the wind shield 201 in the sealed state is improved.

[0039] In a further embodiment of the present application, the edge of the wind deflector 201 is provided with a sealing strip 204, the pressing rod 403 synchronously presses against the sealing strip 204 and the wind deflector 201, the wind deflector 201 and the sealing strip 204 are respectively provided with axially coinciding arc-shaped abutting grooves 205, and the inner wall of the limiting accommodating groove 102 is provided with a deviation-preventing butt joint groove 103 on one side, the arc-shaped abutting groove 205 and the deviation-preventing butt joint groove 103 are matched with the pressing rod 403, when the wind deflector 201 is completely opened, the pressing rod 403 enters the arc-shaped abutting groove 205 and the deviation-preventing butt joint groove 103, specifically, the edge of the wind deflector 201 is embedded with a sealing strip 204 made of silica gel, arc-shaped abutting grooves 205 with the same center and the same curvature are respectively formed at the joint between the sealing strip 204 and the wind deflector 201, the arc-shaped abutting groove 205 is matched with the pressing rod 403, the silica gel buffer head of the pressing rod 403 is spherical, and the diameter thereof is slightly smaller than the width of the arc-shaped abutting groove 205, so as to ensure that the pressing rod 403 can be embedded in the groove, the deviation-preventing butt joint groove 103 is processed on the side of the inner wall of the limiting accommodating groove 102 close to the air vent 101, the depth of the deviation-preventing butt joint groove 103 is consistent with that of the arc-shaped abutting groove 205, and the axis of the deviation-preventing butt joint groove 103 and the arc-shaped abutting groove coincides when the wind deflector 201 is completely opened, when the wind deflector 201 is rotated to the maximum opening degree, the pressing rod 403 simultaneously enters the arc-shaped abutting grooves 205 of the wind deflector 201 and the sealing strip 204 and the deviation-preventing butt joint groove 103 of the limiting accommodating groove 102, forming a multi-point positioning structure, when the wind deflector 201 is opened, the pressing rod 403 is driven by the torsion spring 412 of the elastic abutting piece 4 to continuously press against the surface of the wind deflector 201 and the sealing strip 204, and to remove the attached objects through high-frequency impact, when the wind deflector 201 is completely opened to the limit position, the buffer head of the pressing rod 403 is embedded in the coinciding groove body of the arc-shaped abutting groove 205 and the deviation-preventing butt joint groove 103, so as to lock the position of the wind deflector 201, preventing the deviation vibration caused by airflow impact, and if the sealing strip 204 and the wind deflector 201 are misaligned, the axes of the arc-shaped abutting grooves 205 on the wind deflector 201 and the sealing strip 204 deviate, which will cause the pressing rod 403 to be unable to completely and simultaneously enter the arc-shaped abutting grooves 205 of the sealing strip 204 and the wind deflector 201, if the axis of the elastic abutting piece deviates, the pressing rod 403 in the elastic abutting piece cannot enter the arc-shaped abutting groove 205 and the deviation-preventing butt joint groove 103, at this time, the wind deflector assembly 2 cannot be completely opened, the problem can be quickly found out by observing the air volume, so as to facilitate subsequent maintenance and replacement, at the same time, the contact surface between the arc-shaped abutting groove 205 of the sealing strip 204 and the pressing rod 403 forms an additional friction interface, further reducing the noise, in the closing process, the pressing rod 403 is separated from the deviation-preventing butt joint groove 103, the elastic abutting piece 4 pushes the pressing rod 403 to tightly press against the sealing strip 204 through the pre-tightening force of the torsion spring 412, ensuring the connection between the wind deflector 201 and the sealing strip 204 in the closed state to be firm, so that the sealing performance is stable.

[0040] Further, in the embodiment of the present application, the housing 1 is rotatably installed with a closing anti-loosening part 6 on one side, one end of the closing anti-loosening part 6 is in transmission connection with one of the wind shielding assemblies 2, when the wind shielding assembly 2 is closed, the friction between the closing anti-loosening part 6 and the wind shielding assembly 2 is increased, at this time, the other wind shielding assembly 2 is in plug-in cooperation with the closing anti-loosening part 6 when it is closed, specifically, when one of the wind shielding assemblies 2 is turned over to be closed, it drives the closing anti-loosening part 6 to increase the friction between the closing anti-loosening part 6 and the wind shielding assembly 2 during the turning over process, when the wind shielding assembly 2 is completely closed, the friction between the closing anti-loosening part 6 and the wind shielding assembly 2 is the maximum, the friction on the axial direction of the wind shielding assembly 2 is significantly increased, the vibration loosening in the closed state is inhibited, at the same time, the plug-in part on the other wind shielding assembly 2 can be in plug-in cooperation with the closing anti-loosening part 6, axial limiting is formed, the two wind shielding assemblies 2 are prevented from being accidentally opened due to air flow impact or vibration, the design realizes double anti-loosening mechanism of friction self-locking and mechanical plug-in, the stability of the wind shielding assembly 2 in the alternating wind guiding and complete closing process is ensured, and the interference problem caused by the simultaneous closing of the two wind shielding assemblies 2 is avoided

[0041] Further, in the embodiment of the present application, the closing anti-loosening part 6 comprises a connecting shaft rod 601 penetrating through one side of the housing 1, the connecting shaft rod 601 is located between the two wind shielding assemblies 2, the central shaft rod 202 is fixedly connected with a fan-shaped transmission tooth 206 on one side of the wind shielding plate 201, one end of the connecting shaft rod 601 is fixedly connected with a driven gear 603 in meshing cooperation with the fan-shaped transmission tooth 206, the other end of the connecting shaft rod 601 is fixedly connected with a cam 604, the two cranks 203 are sleeved with an elastic band 605 in abutting cooperation with the protruding part of the cam 604, specifically, when one of the wind shielding assemblies 2 is closed, the central shaft rod 202 drives the fan-shaped transmission tooth 206 to rotate, drives the driven gear 603 and the connecting shaft rod 601 to rotate, and makes the protruding part of the cam 604 extrude the inner side of the elastic band 605, forces the elastic band 605 to deform and tightly hold each crank 203 on the two wind shielding assemblies 2, increases the friction resistance of the crank 203, plays a role of anti-loosening and anti-skid, through the cooperation of the gear and the cam 604 linkage and the elastic band 605, the self-adaptive friction anti-loosening in the closed state is realized, the high stability of the wind shielding assembly 2 when it is closed on one side is ensured, and the mechanical interference risk is reduced, the design realizes double anti-loosening mechanism of the gear transmission, the cam 604 and the elastic compression of the elastic band 605, dynamically adjusts the friction resistance of the crank 203 and the track groove 302 when the wind shielding assembly 2 is closed, prevents loosening caused by air flow impact, and avoids the movement interference caused by the simultaneous locking of the two wind shielding assemblies 2, the elastic deformation of the elastic band 605 can adaptively compensate the wear clearance of the parts, and prolongs the service life.

[0042] In a further embodiment of the present application, the end surface of the driven gear 603 is fixedly connected with an abutting disc 606, and an insertion slot 607 for inserting another wind shielding assembly 2 is fixedly installed on the outer circumferential surface of the abutting disc 606, and the insertion slot 607 is installed with an insertion piece 7, when the connecting shaft 601 drives the protruding part of the cam 604 to abut against the inner wall of the elastic band 605, the slot opening of the insertion slot 607 is located on the movement path of the insertion piece 7, specifically, when one of the wind shielding assemblies 2 is driven to rotate the driven gear 603 during the closing movement, the connecting shaft 601 drives the cam 604 to press the elastic band 605 under the rotation of the driven gear 603, so as to increase the friction resistance of the crank 203, at the same time, the abutting disc 606 on the driven gear 603 rotates synchronously, so as to accurately align the movement path of the insertion slot 607 with the insertion piece 7 on another wind shielding assembly 2, when the other wind shielding assembly 2 is closed, the insertion piece 7 is inserted into the insertion slot 607 of the abutting disc 606 under the rotation of the crank 203, so as to form a mechanical insertion locking, and prevent the two wind shielding assemblies 2 in the closed state from loosening due to vibration or air flow impact, and the holding force of the elastic band 605 further inhibits the shaft deviation, so as to ensure that the air distributor is completely closed, and the channel is not opened by the partial residual air flow, and the structure has strong stability, and when the wind shielding assembly 2 is opened, the cam 604 is separated from the elastic band 605, the abutting disc 606 is reversely rotated to separate the insertion slot 607 from the insertion piece 7, so as to ensure the movement freedom, and realize the double anti-loosening in the completely closed state and the zero interference cooperative control in the opened state.

[0043] In a further embodiment of the present application, the abutting spring 208 is installed in the arc-shaped abutting groove 205 on the inner side of the sealing strip 204, and the end part of the abutting spring 208 is fixedly connected with a top cover 209, when the pressing rod 403 enters the arc-shaped abutting groove 205, the end part of the pressing rod 403 abuts against the top cover 209, specifically, when the pressing rod 403 is embedded in the arc-shaped abutting groove 205 under the opening of the wind shielding plate 201, the end part of the pressing rod 403 presses the top cover 209, so as to force the abutting spring 208 to be further compressed, the abutting force of the pressing rod 403 on the sealing strip 204 is dynamically adjusted by the elastic force of the abutting spring 208, so as to not only enhance the positioning stability of the wind shielding plate 201, but also compensate the wear gap of the sealing strip 204 through the elastic deformation, during the closing process, the abutting spring 208 drives the top cover 209 to rebound, so as to assist the pressing rod 403 to quickly separate from the abutting groove, at the same time, the spring vibration drives the sealing strip 204 to slightly shake, so as to clean the dust accumulated in the groove of the sealing strip 204, the top cover 209 is in flexible contact with the rod head of the pressing rod 403 connected with the abutting spring 208, so as to reduce the collision noise, and the elastic supporting structure can be self-adapted to the air flow pressure fluctuation, so as to avoid the fatigue cracking of the sealing strip 204 caused by the hard collision, and significantly prolong the sealing life.

[0044] The foregoing merely illustrates some exemplary embodiments of the application, and it will be appreciated that those skilled in the art will be able to devise various modifications without departing from the spirit and scope of the application. The appended drawings and description are illustrative only, and are not intended to be limiting.

Claims

1. A fan distributor, comprising a housing (1) having at least two ventilation openings (101), characterized in that, Also includes: A pair of windbreak components (2) are rotatably installed in each ventilation port (101), and the housing (1) is provided with a limiting receiving groove (102) that is adapted to the opening and closing trajectory of the windbreak components (2). A drive motor (3) is installed on the outer wall of the housing (1). The output shaft of the drive motor (3) is equipped with a turntable (301). The end face of the turntable (301) is provided with a track groove (302) that cooperates with each windproof component (2). The windshield assembly (2) includes a windshield plate (201), on which a central shaft (202) is mounted. One end of the central shaft (202) passes through the housing (1) and is fitted with a crank (203). One end of the crank (203) is inserted into the track groove (302). The elastic pressing member (4) has one end elastically hinged to the inside of the housing (1) and the other end abutting with one of the windproof components (2). The elastic pressing member (4) includes a crossbar (401) installed in the housing (1). A connecting frame (402) is elastically hinged on the crossbar (401). A pressure rod (403) is fixedly connected to one end of the connecting frame (402). A toothed abutting rack (207) that abuts with the pressure rod (403) is symmetrically fixedly connected to one side of the windproof plate (201). The end of the crossbar (401) is rotatably sleeved with a sleeve (405). One end of the sleeve (405) is fixedly connected to a driven toothed ring (406). One side of the baffle plate (201) is fixedly connected to a fan-shaped abutment tooth (210) that meshes with the bottom of the driven toothed ring (406). The other end of the sleeve (405) is coaxially sleeved with a sleeve (408). A top spring (410) is installed between the sleeve (408) and the bushing (409). A pressing tooth (411) is fixedly connected to the end face of the sleeve (408). The other end of the connecting frame (402) is symmetrically sleeved with a bushing (409) on the crossbar (401). A torsion spring (412) is installed between the bushing (409) and the crossbar (401). An abutment block (413) that abuts and engages with the pressing tooth (411) is fixedly connected to the end face of the bushing (409). When the drive motor (3) drives the turntable (301) to rotate, the track groove (302) drives each wind deflector (2) to swing, thereby realizing the alternating opening and closing of each ventilation opening (101) to guide the air. When one of the wind deflectors (2) is open, the elastic pressing member (4) continuously collides with it. When it is closed, the elastic pressing member (4) applies a force to it in the closing direction.

2. The air distributor according to claim 1, characterized in that, The outer wall of the housing (1) is fixed with a mounting bracket (5). One side of the mounting bracket (5) is fixed with a motor mounting base (501), and the other side is provided with a receiving cavity (502) for accommodating the turntable (301). Several anti-detachment blocks (503) are distributed in a ring inside the receiving cavity (502).

3. The air distributor according to claim 1, characterized in that, The edge of the wind deflector (201) is provided with a sealing strip (204). The pressure rod (403) presses against the sealing strip (204) and the wind deflector (201) simultaneously. The wind deflector (201) and the sealing strip (204) are respectively provided with axially overlapping arc-shaped abutment grooves (205). The inner wall of the limiting receiving groove (102) is provided with an anti-deviation docking groove (103). The arc-shaped abutment groove (205) and the anti-deviation docking groove (103) are both matched with the pressure rod (403). When the wind deflector (201) is fully opened, the pressure rod (403) enters the arc-shaped abutment groove (205) and the anti-deviation docking groove (103).

4. The air distributor according to claim 1, characterized in that, A closing anti-loosening component (6) is rotatably installed on one side of the housing (1). One end of the closing anti-loosening component (6) is connected to one of the windproof components (2). When the windproof component (2) is closed, the friction between the closing anti-loosening component (6) and the windproof component (2) increases. At this time, when the other windproof component (2) is closed, it is inserted and engaged with the closing anti-loosening component (6).

5. A wind distributor according to claim 4, characterized in that, The closing anti-loosening component (6) includes a connecting shaft (601) that passes through one side of the housing (1). The central shaft (202) is fixedly connected to a sector-shaped transmission gear (206) on one side of the baffle plate (201). One end of the connecting shaft (601) is fixedly connected to a driven gear (603) that meshes with the sector-shaped transmission gear (206). The other end of the connecting shaft (601) is fixedly connected to a cam (604). An elastic band (605) that abuts against the protrusion of the cam (604) is sleeved between the two cranks (203).

6. A wind distributor according to claim 5, characterized in that, The driven gear (603) is fixedly connected to the end face of the abutment plate (606), and the abutment plate (606) is fixedly installed on the outer peripheral surface of the abutment plate (606) for the insertion of another windproof component (2). When the connecting shaft (601) drives the cam (604) protrusion to abut against the inner wall of the elastic band (605), the slot of the slot (607) is on the active path of the insertion part of the other windproof component (2).

7. A distributor according to claim 3, characterized in that, An abutment spring (208) is installed inside the arc-shaped abutment groove (205) on the inner side of the sealing strip (204). A top cover (209) is fixedly connected to the end of the abutment spring (208). When the pressure rod (403) enters the arc-shaped abutment groove (205), the end of the pressure rod (403) abuts against the top cover (209).

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