Wind guide wheel mounting structure and fan
Technical Field
The invention relates to the technical field of fans, in particular to an inducer installation structure and a fan.
Background
The desk fan is provided with an air guide wheel, an air guide motor is arranged in the fan, and the air guide motor drives the air guide wheel to rotate to guide and blow air to different positions. The mounting structure of current inducer mostly sets up the jack on the inducer, and the jack is fixed on the output shaft of wind-guiding motor directly to be inserted, because there is machining error in jack and output shaft when processing, probably there is great clearance when jack and output shaft join in marriage, makes the amplitude of rocking of inducer great, and the noise that touches mutually with the fan front shroud when the inducer rotates is great, causes the interference to people's life.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the inducer installation structure which can reduce the shaking amplitude of the inducer.
The invention further provides a fan with the inducer installation structure.
According to the embodiment of the first aspect of the invention, the wind guiding wheel mounting structure comprises a fan front shell, a wind guiding motor, a rotating connecting piece, a rotating disc and a wind guiding wheel, wherein a middle hole is formed in the middle of the fan front shell, a guide ring is arranged on the inner wall of the middle hole, the guide ring and the middle hole are coaxially arranged, the wind guiding motor is fixedly connected to the rear side of the fan front shell, an output shaft of the wind guiding motor and the guide ring are coaxially arranged, the rear side of the rotating connecting piece is fixedly connected to the output shaft of the wind guiding motor, the rotating disc is arranged on the front side of the fan front shell, a rotating connecting hole is formed in the middle of the rotating disc, the rotating connecting hole is sleeved on the front side of the rotating connecting piece, the rotating connecting piece and the rotating connecting hole are circumferentially and relatively fixed, a guide assembly in guide connection with the guide ring is arranged on the rear side of the rotating disc, the guide assembly and the guide ring are axially and relatively fixed, the guide assembly and the guide ring circumferentially rotate relatively, and the wind guiding wheel is fixedly connected to the front side of the rotating disc.
The inducer installation structure has the advantages that the turntable is additionally arranged between the output shaft of the inducer motor and the inducer, the output shaft of the inducer motor drives the turntable and the inducer to rotate through the rotating connecting piece, the guiding component is arranged on the turntable, the guiding ring is arranged on the front shell of the fan and is in guiding connection with the guiding ring, the guiding ring limits shaking of the turntable, and shaking amplitude can be reduced after the inducer is installed on the turntable.
According to some embodiments of the invention, the guiding assembly comprises at least two limiting columns arranged along the front-back direction, all the limiting columns are uniformly distributed on the inner side of the guiding ring along the axis of the guiding ring, the limiting columns are arranged on the side of the guiding ring, the end part of at least one limiting column is provided with a clamping part, the clamping part is clamped on the rear side of the guiding ring, the front side of the guiding ring is provided with a protruding ring, the protruding ring protrudes out of the front side of the front fan shell, the rear side of the periphery of the turntable is provided with a disk side wall, and the disk side wall is sleeved on the outer side of the outer wall of the protruding ring.
According to some embodiments of the invention, a plurality of sliding columns are uniformly distributed on the outer wall of the protruding ring at intervals, and the disc side wall is arranged on the outer side of the sliding column.
According to some embodiments of the invention, a first screw hole is formed in the rear side of at least one limiting post, a limiting screw is connected to the first screw hole in a threaded mode, and the head of the limiting screw is arranged on the rear side of the guide ring.
According to some embodiments of the invention, the rotary table is provided with a plurality of second screw holes, the inducer is provided with a plurality of mounting holes, and the mounting holes and the second screw holes are arranged in a one-to-one opposite mode.
According to some embodiments of the invention, the front side of the turntable is provided with a plurality of positioning columns, the front side of the inducer is provided with a plurality of positioning holes, and the plurality of positioning holes are connected with the plurality of positioning columns in a one-to-one correspondence.
According to some embodiments of the invention, the rotation connection hole is cross-shaped.
According to some embodiments of the invention, the inducer is provided with at least two clamping grooves, the clamping grooves extend along the circumferential direction of the axis of the inducer, the front side of the inducer is connected with a sealing cover, the rear side of the sealing cover is provided with at least two clamping hooks, the clamping hooks are hooked in the clamping grooves in a one-to-one correspondence manner, the head end of the clamping groove is provided with an inserting opening, the width of the inserting opening is larger than that of the clamping groove, the clamping hooks are inserted into the clamping groove through the inserting opening, the clamping hooks are connected in the clamping groove in a sliding manner, and the sealing cover shields the middle part of the inducer.
A fan according to an embodiment of a second aspect of the present invention includes the inducer mounting structure according to the embodiment of the first aspect of the present invention described above.
The fan at least has the advantages that by adopting the inducer installation structure, the shaking amplitude of the inducer can be reduced, and noise generated when the inducer rotates is reduced.
The invention is used for the fan.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will be apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is an exploded perspective view of an inducer mounting structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a front part of the present invention after removing the cover;
FIG. 3 is a partial perspective view of the front face of FIG. 2 with the inducer removed;
FIG. 4 is a front partial perspective view of a fan front housing according to an embodiment of the present invention;
FIG. 5 is a schematic rear perspective view of a front fan housing according to an embodiment of the present invention;
FIG. 6 is a rear partial perspective view of the wind-guiding motor of FIG. 5;
Fig. 7 is a rear perspective view of a turntable according to an embodiment of the present invention.
In the drawing, a front fan shell, a 102-middle hole, a 103-guide ring, a 104-wind guiding motor, a 105-rotating connecting piece, a 106-turntable, a 107-rotating connecting hole, a 108-wind guiding wheel, a 109-protruding ring, a 110-sliding column, a 111-clamping groove, a 112-inserting hole, a 201-limiting column, a 202-clamping part, a 203-first screw hole, a 204-second screw hole, a 206-positioning column, a 208-disc side wall and a 301-sealing cover are formed.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless explicitly defined otherwise, terms such as provided, connected, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by those skilled in the art in combination with the specific contents of the technical scheme.
An inducer mounting structure according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 7.
The wind guide wheel mounting structure comprises a fan front shell 101, a middle hole 102, a wind guide motor 104, a rotating connecting piece 105, a rotating disc 106 and a wind guide wheel 108, wherein the middle hole 102 is formed in the middle of the fan front shell 101, a guide ring 103 is arranged on the inner wall of the middle hole 102, the guide ring 103 and the middle hole 102 are coaxially arranged, the wind guide motor 104 is fixedly connected to the rear side of the fan front shell 101, an output shaft of the wind guide motor 104 and the guide ring 103 are coaxially arranged, the rear side of the rotating connecting piece 105 is fixedly connected to the output shaft of the wind guide motor 104, the rotating disc 106 is arranged on the front side of the fan front shell 101, a rotating connecting hole 107 is formed in the middle of the rotating disc 106, the rotating connecting piece 105 is sleeved on the front side of the rotating connecting piece 105, the rotating connecting piece 105 is circumferentially fixed relative to the rotating connecting hole 107, a guide assembly in guide connection with the guide ring 103 is arranged on the rear side of the rotating disc 106, the guide assembly is axially fixed relative to the guide ring 103, the guide assembly circumferentially rotates relative to the guide ring 103, and is fixedly connected to the front side of the rotating disc 106.
The turntable 106 is arranged between the output shaft of the wind-guiding motor 104 and the wind-guiding wheel 108, the output shaft of the wind-guiding motor 104 drives the turntable 106 and the wind-guiding wheel 108 to rotate through the rotating connecting piece 105, the turntable 106 is provided with the guide assembly, the fan front shell 101 is provided with the guide ring 103, the guide assembly is connected with the guide ring 103 in a guide way, the guide ring 103 limits the swinging of the turntable 106, and the wind-guiding wheel 108 can reduce swinging amplitude after being arranged on the turntable 106.
The rotating connecting piece 105 is circumferentially fixed with the rotating connecting hole 107, so that the turntable 106 is driven to rotate, a certain gap can be allowed between the rotating connecting piece 105 and the rotating connecting hole 107, the turntable 106 is not affected to rotate, and the installation requirement on the wind-guiding motor 104 is reduced. The machining matching precision between the connecting hole on the rotating connecting piece 105 sleeved on the output shaft of the wind-guiding motor 104 and the output shaft of the wind-guiding motor 104 is not required to be too high.
In some embodiments of the present invention, the guide assembly includes at least two limiting posts 201 disposed along a front-to-rear direction, all the limiting posts 201 are uniformly distributed on the inner side of the guide ring 103 along the axis of the guide ring 103, the limiting posts 201 are disposed on the side of the guide ring 103, at least one end portion of the limiting posts 201 is provided with a fastening portion 202, the fastening portion 202 is fastened on the rear side of the guide ring 103, the front side of the guide ring 103 is provided with a protruding ring 109, the protruding ring 109 protrudes from the front side of the fan front case 101, the rear side of the periphery of the turntable 106 is provided with a disk sidewall 208, and the disk sidewall 208 is sleeved on the outer side of the outer wall of the protruding ring 109.
The buckling part 202 and the front wall of the turntable 106 are used for axially fixing the turntable 106, the turntable 106 is inserted into the guide ring 103 from the front side of the guide ring 103, the guide ring 103 compresses the buckling part 202 inwards, when the buckling part 202 stretches into the rear side of the guide ring 103, the buckling part 202 rebounds to clamp the rear side of the guide ring 103, and the front wall of the turntable 106 limits the turntable 106 to stretch into continuously, so that the installation is simple. The disk sidewall 208 of the turntable 106 is sleeved on the outer side of the protruding ring 109, so that radial positioning of the turntable 106 is realized, deflection of the turntable 106 during rotation is reduced, and shaking of the turntable 106 is limited. The number of contact points between the locking portion 202 and the disk side wall 208 and the guide ring 103 is large, and the function of restricting wobble is good.
In some embodiments of the present invention, a plurality of sliding posts 110 are uniformly spaced on the outer wall of the protruding ring 109, and the disc sidewall 208 is disposed on the outer side of the sliding posts 110. The contact of the spool 110 with the disk sidewall 208 reduces the contact area of the disk sidewall 208 with the raised ring 109, reducing friction between the turntable 106 and the raised ring 109 while serving to better limit wobble of the turntable 106.
In some embodiments of the present invention, a first screw hole 203 is provided at the rear side of at least one of the limiting posts 201, a limiting screw is screwed on the first screw hole 203, and a head of the limiting screw is provided at the rear side of the guide ring 103. When the turntable 106 and the inducer 108 are pulled out from the front side by force only when the inner side of the guide ring 103 is clamped by the buckle, the buckle is possibly separated to pull out the turntable 106 and the inducer 108, and the fan blade is exposed more dangerously. A limit screw is arranged on the turntable 106 to clamp the rear side of the guide ring 103, so that the turntable 106 and the inducer 108 cannot be pulled out from the front side, and the safety is improved. The spacer can be penetrated on the limit screw, so that the contact area between the screw head and the guide ring 103 is increased.
In some embodiments of the present invention, the turntable 106 is provided with a plurality of second screw holes 204, the inducer 108 is provided with a plurality of mounting holes, and the plurality of mounting holes are disposed opposite to the plurality of second screw holes 204 one by one. The inducer 108 and the turntable 106 are fixed together by screws, and the rear side surface of the middle part of the inducer 108 abuts against the front side surface of the turntable 106.
In some embodiments of the present invention, a plurality of positioning posts 206 are provided on the front side of the turntable 106, a plurality of positioning holes are provided on the front side of the inducer 108, and the plurality of positioning holes are connected to the plurality of positioning posts 206 in a one-to-one correspondence. The positioning holes and the positioning posts 206 are used for maintaining the circumferential positioning of the turntable 106 and the inducer 108 so as to prevent the connection screw of the turntable 106 and the inducer 108 from loosening after a plurality of times due to the change of the rotation direction of the inducer 108.
In some embodiments of the present invention, the rotation connection hole 107 is cross-shaped, and the cross-shaped rotation connection hole 107 can drive the turntable 106 to rotate circumferentially. The rotation connection hole 107 may be triangular, quadrangular, hexagonal, or a circular hole provided with a platform or the like, and may be configured to drive the turntable 106 to rotate circumferentially.
In some embodiments of the present invention, at least two clamping grooves 111 are provided on the inducer 108, the clamping grooves 111 extend along the circumferential direction of the axis of the inducer 108, the front side of the inducer 108 is connected with a cover 301, at least two hooks are provided on the rear side of the cover 301, the hooks are hooked in the clamping grooves 111 in a one-to-one correspondence manner, the head end of the clamping groove 111 is provided with an insertion opening 112, the width of the insertion opening 112 is greater than the width of the clamping groove 111, the hooks are inserted into the clamping groove 111 through the insertion opening 112, the hooks are slidably connected in the clamping groove 111, and the cover 301 shields the middle part of the inducer 108. Since the rotation connection hole 107, the mounting hole, etc. are exposed at the middle of the inducer 108, a cover 301 is mounted on the front side of the inducer 108 for aesthetic purposes. The cover 301 is provided with a hook, the hook is inserted into the clamping groove 111 from the insertion port 112, and the hook can be blocked in the clamping groove 111 and cannot be separated by rotating the cover 301.
A fan according to an embodiment of a second aspect of the present invention includes the inducer mounting structure according to the embodiment of the first aspect of the present invention described above.
According to the fan provided by the embodiment of the invention, by adopting the inducer installation structure, the shaking amplitude of the inducer 108 can be reduced, and the noise generated when the inducer 108 rotates can be reduced.
While the embodiments of the present application have been described in detail with reference to the drawings, the present application is not limited to the above embodiments, and various equivalent modifications and substitutions can be made within the knowledge of those skilled in the art without departing from the spirit of the present application, and these equivalent modifications and substitutions are included in the scope of the present application as defined in the appended claims.