Circulating fan and stable head swinging mechanism thereof

Abstract

The utility model relates to a circulating fan and a stable swinging mechanism thereof, and relates to the technical field of fan swinging, the stable swinging mechanism comprises a driving device, a driving device support, a bearing seat, a bearing and a limiting device, the driving device support comprises a rotating shaft, and the bearing seat comprises a shaft hole; the rotating shaft penetrates through the shaft hole; the bearing sleeves the rotating shaft and is positioned between the rotating shaft and the inner wall of the shaft hole; the limiting device is arranged on the upper sides of the bearing and the bearing seat and used for limiting the bearing and the bearing seat from disengaging from the rotating shaft; the driving device is arranged on the driving device support and connected with the bearing seat. The bearing seat can rotate on the rotating shaft more smoothly through the bearing, so that the rotating stability of the bearing seat is greatly improved; movement of the bearing seat and the bearing in the axial direction of the rotating shaft can be effectively limited through the limiting device, and axial shaking of the bearing seat in the rotating shaft is avoided; therefore, the swinging stability of the fan is high, the shaking is small, and the noise is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan swing head technical field especially, a kind of circulating fan and its stable swing mechanism. BACKGROUND

[0002] Fan is commonly used household appliance, almost every family will use.

[0003] In order to meet the various use needs of users, fan usually has multiple function design. Among them, swing is a commonly used function design. By swing, the blowing range of fan can be expanded, and better experience is brought to users.

[0004] However, the swing mechanism of existing fan is poor in stability during swing process, is easy to sway, and noise is also relatively large. INVENTION CONTENTS

[0005] The utility model provides a kind of circulating fan and its stable swing mechanism to solve the swing mechanism of existing fan is poor in stability during swing process, is easy to sway, and the problem of large noise.

[0006] Firstly, the utility model provides a kind of stable swing mechanism, and the stable swing mechanism includes driving device, driving device support, bearing seat, bearing and limiting device, the driving device support includes pivot, and the bearing seat includes shaft hole;The pivot passes through the shaft hole;The bearing is sleeved on the pivot, and the bearing is located between the pivot and the inner wall of the shaft hole;The limiting device is located on the upper side of the bearing and the bearing seat, for limiting the bearing and the bearing seat from the pivot and come out;The driving device is located on the driving device support, and the driving device is connected with the bearing seat, wherein the driving device drives the bearing seat to rotate around the pivot.

[0007] Further technical solutions are as follows: the limiting device includes first fixed ring, the lower side of the first fixed ring is in contact with the bearing, and the first fixed ring is connected with the bearing seat.

[0008] Further technical solutions are as follows: the outer periphery of the first fixed ring is provided with fixed lug, and the bearing seat is provided with fixed column;The fixed lug and the fixed column are connected through fastener.

[0009] Further technical solutions are as follows: the limiting device includes second fixed ring, the lower side of the second fixed ring is in contact with the bearing, and the second fixed ring is connected with the pivot.

[0010] Further, the second fixing ring is provided with a first fixing hole, and the end surface of the rotating shaft is provided with a second fixing hole; the first fixing hole is fixed in the second fixing hole through a fastener, so as to connect the second fixing ring with the rotating shaft.

[0011] Further, the outer side of the rotating shaft is provided with a support table, and the lower side of the bearing abuts against the support table.

[0012] Further, the stable swing head mechanism further comprises a mounting frame, and the mounting frame is fixedly connected with the bearing seat.

[0013] Further, the driving device comprises a motor, a crank and a connecting rod, the motor is connected with the crank, the crank is connected with the connecting rod, and the connecting rod is connected with the bearing seat.

[0014] Further, the connecting rod comprises a driving hole, the lower side of the bearing seat is provided with a bolt, and the driving device support is provided with a guide hole; the bolt passes through the guide hole and is inserted into the driving hole.

[0015] In a second aspect, the utility model provides a circulating fan, circulating fan includes the stable swing head mechanism of as described in first aspect.

[0016] Compared with the prior art, the above technical scheme provided by the utility model has the following advantages:

[0017] In the technical scheme, the stable swing head mechanism comprises a driving device, a driving device support, a bearing seat, a bearing and a limiting device, the driving device support comprises a rotating shaft, the bearing seat comprises a shaft hole, the rotating shaft passes through the shaft hole, the bearing is sleeved on the rotating shaft, the bearing is located between the rotating shaft and the inner wall of the shaft hole, the limiting device is arranged on the upper side of the bearing and the bearing seat, and is used for limiting the bearing and the bearing seat from being separated from the rotating shaft, the driving device is arranged on the driving device support, and the driving device is connected with the bearing seat. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings incorporated into the specification and forming a part thereof, illustrate embodiments consistent with the present utility model, and together with the specification serve to explain the principles of the present utility model.

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0020] One or more embodiments are illustrated by the pictures in the drawings corresponding thereto, which do not constitute a limitation on the embodiments, and elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified, and the drawings do not constitute a proportional limitation.

[0021] Figure 1 An exploded view of the stable swing head mechanism provided by the embodiments of the present application;

[0022] Figure 2 A side view of the stable swing head mechanism provided by the embodiments of the present application;

[0023] Figure 3 For Figure 2 A cross-sectional view of section A-A;

[0024] Figure 4 A schematic view of the circulating fan provided by the embodiments of the present application.

[0025] Explanation of reference numerals:

[0026] Drive device 10, drive device support 20, bearing seat 30, bearing 40, limiting device 50, mounting bracket 60, head assembly 100, rotating shaft 21, guide hole 22, shaft hole 31, fixed column 32, bolt 33, first fixed ring 51, second fixed ring 52, fixed lug 511, first fixed hole 521, second fixed hole 211, support table 212, motor 11, crank 12, connecting rod 13, drive hole 131. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without any creative effort fall within the scope of protection of the present application.

[0028] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples and the purpose is not to limit the present application. In addition, the present application can refer to the same reference numerals and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not indicate the relationship between the various embodiments and / or settings discussed.

[0029] For the convenience of description, spatial relative terms can be used in the text to describe the relative position relationship or motion condition of one element or feature with respect to another element or feature as shown in the figure, such as "inner", "outer", "inboard", "outboard", "under", "below", "on", "above", "front", "back", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is flipped over or the posture is changed or the motion state is changed, the directional indications will also change accordingly, for example: the element described as "under" or "below" other elements or features will be oriented as "above" or "above" other elements or features. Therefore, the example term "below" can include both up and down positions. The device can be additionally oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used in the text are interpreted accordingly.

[0030] In order to solve the technical problem of unstable swing of the circulating fan in the prior art, the present application provides a stable swing mechanism, which can greatly improve the stability of the swing of the circulating fan, thereby reducing the shaking and reducing the noise.

[0031] Referring to Figures 1-4 The stable swing mechanism provided by the present application embodiment includes a driving device 10, a driving device support 20, a bearing seat 30, a bearing 40 and a limiting device 50, and the specific structure is introduced as follows:

[0032] The driving device support 20 includes a rotating shaft 21, specifically, the rotating shaft 21 can be arranged at the middle part of the driving device support 20, and the rotating shaft 21 can be integrally formed with the driving device support 20 or fixed as a whole with the driving device support 20, and the present application does not specifically limit this.

[0033] Further, the bearing seat 30 comprises a shaft hole 31, the rotating shaft 21 passes through the shaft hole 31, the bearing 40 is sleeved on the rotating shaft 21, and the bearing 40 is located between the rotating shaft 21 and the inner wall of the shaft hole 31. Specifically, the bearing 40 can make the bearing seat 30 rotate more smoothly on the rotating shaft 21, thereby greatly improving the stability of the rotation of the bearing seat 30. The bearing seat 30 is used for bearing the head assembly 100 of the circulating fan.

[0034] Further, the limiting device 50 is arranged on the upper side of the bearing 40 and the bearing seat 30, and is used for limiting the bearing 40 and the bearing seat 30 from being separated from the rotating shaft 21. Specifically, the limiting device 50 can effectively limit the movement of the bearing 40 and the bearing seat 30 in the axial direction of the rotating shaft 21, thereby further improving the stability of the rotation of the bearing seat 30 and avoiding the axial shaking of the bearing seat 30 on the rotating shaft 21.

[0035] Further, the driving device 10 is arranged on the driving device support 20, and the driving device 10 is connected with the bearing seat 30, wherein the driving device 10 drives the bearing seat 30 to rotate around the rotating shaft 21. Specifically, the driving device 10 is connected with the bearing seat 30, which can drive the bearing seat 30 to rotate around the rotating shaft 21, and the head assembly 100 rotates synchronously, thereby realizing the swing function of the circulating fan.

[0036] In the technical scheme of the embodiment of the utility model, the stable swing mechanism comprises a driving device 10, a driving device support 20, a bearing seat 30, a bearing 40 and a limiting device 50, the driving device support 20 comprises a rotating shaft 21, the bearing seat 30 comprises a shaft hole 31, the rotating shaft 21 passes through the shaft hole 31, the bearing 40 is sleeved on the rotating shaft 21, and the bearing 40 is located between the rotating shaft 21 and the inner wall of the shaft hole 31, the limiting device 50 is arranged on the upper side of the bearing 40 and the bearing seat 30, and is used for limiting the bearing 40 and the bearing seat 30 from being separated from the rotating shaft 21, the driving device 10 is arranged on the driving device support 20, and the driving device 10 is connected with the bearing seat 30. The bearing 40 can make the bearing seat 30 rotate more smoothly on the rotating shaft 21, thereby greatly improving the stability of the rotation of the bearing seat 30, the limiting device 50 can effectively limit the movement of the bearing 40 and the bearing seat 30 in the axial direction of the rotating shaft 21, thereby avoiding the axial shaking of the bearing seat 30 on the rotating shaft 21, and therefore, the swing stability of the fan is strong, the shaking is small, and the noise is small.

[0037] Further, in some embodiments, such as the present embodiment, the limiting device 50 comprises a first fixing ring 51, the lower side of the first fixing ring 51 abuts against the bearing 40, and the first fixing ring 51 is connected with the bearing seat 30. Specifically, the outer side of the upper end surface of the bearing 40 is pressed by the lower side of the first fixing ring 51, so as to limit the outer side of the bearing 40. Meanwhile, the first fixing ring 51 is fixedly connected with the bearing seat 30 by fasteners.

[0038] Further, the outer periphery of the first fixing ring 51 is provided with fixing ears 511, and the bearing seat 30 is provided with fixing columns 32; the fixing ears 511 and the fixing columns 32 are connected by fasteners.

[0039] Specifically, the number of the fixing ears 511 and the fixing columns 32 is multiple, and they are uniformly distributed. For example, in the present embodiment, the number of the fixing ears 511 and the fixing columns 32 is four, and the fasteners can be screws. The fixing ears 511 and the fixing columns 32 are both provided with screw holes and are fixed by screws.

[0040] Further, the limiting device 50 comprises a second fixing ring 52, the lower side of the second fixing ring 52 abuts against the bearing 40, and the second fixing ring 52 is connected with the rotating shaft 21.

[0041] Specifically, the inner side of the upper end surface of the bearing 40 is pressed by the lower side of the second fixing ring 52, so as to limit the inner side of the bearing 40. Meanwhile, the second fixing ring 52 is fixedly connected with the rotating shaft 21 by fasteners.

[0042] Further, the second fixing ring 52 is provided with first fixing holes 521, and the end surface of the rotating shaft 21 is provided with second fixing holes 211; the fasteners are fixed in the second fixing holes 211 through the first fixing holes 521, so as to connect the second fixing ring 52 with the rotating shaft 21.

[0043] Specifically, the number of the first fixing holes 521 and the second fixing holes 211 is multiple, and they are uniformly distributed. For example, in the present embodiment, the number of the first fixing holes 521 and the second fixing holes 211 is three. The first fixing holes 521 and the second fixing holes 211 can be screw holes, and the fasteners can be screws.

[0044] Further, in some embodiments, such as the present embodiment, the outer side of the rotating shaft 21 is provided with a support table 212, and the lower side of the bearing 40 abuts against the support table 212.

[0045] The support table 212 is located in the middle of the rotating shaft, protrudes on the outer surface of the rotating shaft 21, and is integrally formed with the rotating shaft. The lower side of the bearing 40 is abutted by the support table 212, so that the lower side of the bearing 40 is limited, the bearing 40 is prevented from moving on the rotating shaft 21, and the stability is improved.

[0046] Further, in some embodiments, for example in the embodiment, the stable swing head mechanism further comprises a mounting frame 60, and the mounting frame 60 is fixedly connected with the bearing seat 30.

[0047] Specifically, the mounting frame 60 can be arc-shaped, and the mounting frame 60 is used for mounting the head assembly 100 of the circulating fan, for example, the head assembly is fixed to the mounting frame 60 by fasteners, and the utility model is not limited in this regard. The mounting frame 60 is fixedly connected with the bearing seat 30 as a whole, so that when the bearing seat 30 rotates, the head assembly 100 is driven to rotate synchronously, so that the swing head function is realized.

[0048] Further, in some embodiments, for example in the embodiment, the driving device 10 comprises a motor 11, a crank 12 and a connecting rod 13, the motor 11 is connected with the crank 12, the crank 12 is connected with the connecting rod 13, and the connecting rod 13 is connected with the bearing seat 30.

[0049] Specifically, the motor 11 comprises an output shaft, and the output shaft of the motor 11 is fixed with the crank 12 by fasteners; the crank 12 is connected with one end of the connecting rod 13 by fasteners, and the other end of the connecting rod 13 is connected with the bearing seat 30.

[0050] Further, the connecting rod 13 comprises a driving hole 131, the lower side of the bearing seat 30 is provided with a latch 33, and the driving device support 20 is provided with a guide hole 22; the latch 33 passes through the guide hole 22 and is inserted into the driving hole 131.

[0051] Specifically, the driving hole 131 is arranged at the end of the connecting rod 13, the guide hole 22 can be an arc-shaped hole, and the shape of the guide hole 22 matches the movement track of the latch 33. The latch 33 passes through the guide hole 22 and is inserted into the driving hole 131, and when the connecting rod 13 rotates, the latch 33 rotates in the guide hole 22 (the bearing seat 30 rotates synchronously).

[0052] The utility model discloses an embodiment of a circulating fan, which comprises the stable swing head mechanism of the first aspect.

[0053] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0054] In the description of the utility model, it is understood that the directions or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are the directions or positional relationships shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0055] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0056] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0057] In the utility model, unless otherwise specifically defined and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or the indirect contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical direction of the first feature above and oblique above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include the vertical direction of the first feature below and oblique below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0058] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0059] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, these modifications and variations of the present application are intended to be included within the scope of the claims of the present application and equivalents thereof. Therefore, the present application is intended to include these modifications and variations.

[0060] The above is a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A stable oscillating head mechanism, characterized in that, The device includes a drive unit, a drive unit bracket, a support seat, a bearing, and a limiting device. The drive unit bracket includes a rotating shaft, and the support seat includes a shaft hole. The rotating shaft passes through the shaft hole. The bearing is sleeved on the rotating shaft and is located between the rotating shaft and the inner wall of the shaft hole. The limiting device is located on the upper side of the bearing and the support seat to prevent the bearing and the support seat from disengaging from the rotating shaft. The drive unit is mounted on the drive unit bracket and connected to the support seat, wherein the drive unit drives the support seat to rotate around the rotating shaft.

2. The stabilizing head mechanism according to claim 1, characterized in that, The limiting device includes a first fixing ring, the lower side of which abuts against the bearing, and the first fixing ring is connected to the bearing seat.

3. The stabilizing head-swinging mechanism according to claim 2, characterized in that, The first fixing ring has a fixing lug on its outer periphery, and the bearing seat has a fixing post; the fixing lug and the fixing post are connected by fasteners.

4. The stabilizing head mechanism according to claim 1, characterized in that, The limiting device includes a second fixing ring, the lower side of which abuts against the bearing, and the second fixing ring is connected to the rotating shaft.

5. The stabilizing head-swinging mechanism according to claim 4, characterized in that, The second fixing ring is provided with a first fixing hole, and the end face of the rotating shaft is provided with a second fixing hole; the second fixing ring is connected to the rotating shaft by fasteners passing through the first fixing hole and fixing them in the second fixing hole.

6. The stabilizing head mechanism according to claim 1, characterized in that, A support platform is provided on the outer side of the rotating shaft, and the lower side of the bearing abuts against the support platform.

7. The stabilizing head mechanism according to claim 1, characterized in that, The stabilizing head mechanism also includes a mounting frame, which is fixedly connected to the support base.

8. The stabilizing head mechanism according to claim 1, characterized in that, The drive device includes a motor, a crank, and a connecting rod. The motor is connected to the crank, the crank is connected to the connecting rod, and the connecting rod is connected to the support.

9. The stabilizing head mechanism according to claim 8, characterized in that, The connecting rod includes a drive hole, the lower side of the bearing seat is provided with a pin, and the drive device bracket is provided with a guide hole; the pin passes through the guide hole and is inserted into the drive hole.

10. A circulating fan, characterized in that, The circulating fan includes a stable oscillating mechanism as described in any one of claims 1-9.

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