Left-right head swinging device and electric appliance

Abstract

The utility model discloses a left-right swinging head device and an electric appliance, and relates to the technical field of swinging heads, the left-right swinging head device comprises a fixed assembly and a rotating assembly, the fixed assembly comprises a switch box, a first bearing, a second bearing, a bearing support and a transverse center seat, and the switch box is provided with a cylinder; the first bearing and the bearing support are sequentially arranged on the column body in a sleeving mode, and the second bearing is arranged on the bearing support in a sleeving mode; the transverse center seat is fixed on the end face of the cylinder; the rotating assembly comprises a bearing seat, a supporting seat and a driving device; the bearing seat is fixedly connected with the supporting seat, and the first bearing and the second bearing are sleeved with the bearing seat; the driving device is fixed to the supporting base and rotationally connected with the transverse center base. In the rotating process, the bearing seat rotates around the first bearing and the second bearing, better rotating positioning of the bearing seat can be achieved through the first bearing and the second bearing, it is ensured that the axis of the bearing seat does not deviate, therefore, shaking in the rotating process is reduced, and the stability of the swing head is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a swing head technical field especially left and right swing head device and electric appliance. BACKGROUND

[0002] The fan is commonly used household electrical appliances, has very extensive application.

[0003] In order to expand the blowing range of fan, at present, fan usually has swing head function. Fan swing head can be realized through swing head mechanism, and the swing head mechanism of existing fan is prone to shaking when swinging due to the heavy head of fan, and the stability is poor.

[0004] It can be seen that how to improve the stability of fan swing head becomes a technical problem to be solved in the field. INVENTION CONTENTS

[0005] The utility model embodiment solves the technical problem of unstable swing mechanism swing head and easy shaking.

[0006] In order to solve the above problem, first, the utility model embodiment proposes a left and right swing head device, which comprises:

[0007] The fixed assembly comprises a switch box, a first bearing, a second bearing, a bearing support and a cross center seat, the switch box is provided with a column body, the first bearing and the bearing support are sequentially sleeved on the column body, and the second bearing is sleeved on the bearing support, and the cross center seat is fixed to the end face of the column body.

[0008] The rotating assembly comprises a bearing seat, a supporting seat and a driving device, the bearing seat is fixedly connected with the supporting seat, the bearing seat is sleeved on the outer side of the first bearing and the second bearing, the driving device is fixed on the supporting seat, and the driving device is rotationally connected with the cross center seat, wherein the rotating assembly is driven to rotate around the fixed assembly through the driving device.

[0009] Further technical solutions are that the outer side of the column body is provided with a first step surface, the first bearing is arranged on the first step surface, the outer side of the bearing support is provided with a second step surface, and the second bearing is arranged on the second step surface.

[0010] Further technical solutions are that the lower end of the bearing support abuts on the inner side of the upper end face of the first bearing.

[0011] Further technical solutions are that the upper end face of the second bearing, the bearing support and the column body is flush, and the bottom face of the cross center seat is arranged on the upper side of the second bearing, the bearing support and the column body.

[0012] Further, the inner ring of the first bearing is in interference fit with the column, and the inner ring of the second bearing is in interference fit with the bearing support.

[0013] Further, the driving device comprises a motor and a gear connected with the motor, the upper side of the cross seat is provided with an arc-shaped gear sheet, the inner side of the arc-shaped gear sheet is provided with gear teeth, and the gear is in mesh with the gear teeth of the arc-shaped gear sheet.

[0014] Further, the driving device further comprises a motor seat, the motor is fixed on the motor seat, and the motor seat is fixed on the support seat.

[0015] Further, the support seat is provided with a slot, one end of the bearing seat is embedded in the slot, and the support seat is fixedly connected with the bearing seat.

[0016] Further, the bearing seat is provided with a center hole, the inner side of the center hole is provided with a third stepped surface, and the third stepped surface abuts against the outer side of the upper end surface of the first bearing.

[0017] In the second aspect, the utility model discloses a kind of electric appliances, and the electric appliances include left and right head swinging device as described in the first aspect.

[0018] Compared with prior art, the technical effects that can be achieved by the utility model embodiment include:

[0019] In the technical scheme of the utility model embodiment, the left and right head swinging device includes a fixed component and a rotating component, the fixed component includes a switch box, a first bearing, a second bearing, a bearing support and a cross seat, and the switch box is provided with a column;The first bearing and the bearing support are sequentially sleeved on the column, and the second bearing is sleeved on the bearing support;The cross seat is fixed to the end surface of the column;The rotating component includes a bearing seat, a support seat and a driving device;The bearing seat is fixedly connected with the support seat, and the bearing seat is sleeved on the outer side of the first bearing and the second bearing;The driving device is fixed on the support seat, and the driving device is rotatably connected with the cross seat;Wherein, the rotating component is rotated around the fixed component by the driving device.In rotation, the bearing seat rotates around the first bearing and the second bearing, and the first bearing and the second bearing can realize better rotational positioning of the bearing seat, ensure that its axis does not deviate, thereby reducing the shaking during rotation, and greatly improving the stability of the head swinging. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings incorporated into the specification and constituting a part of the specification illustrate embodiments consistent with the present application and, together with the specification, serve to explain the principles of the present application.

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below, and obviously, other drawings can also be obtained by those skilled in the art without creative labor under the premise of not paying the creative labor.

[0022] One or more embodiments are exemplarily illustrated by the pictures in the drawings corresponding thereto, and these exemplary illustrations do not constitute a limitation on the embodiments, and the elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified, and the drawings do not constitute a proportional limitation.

[0023] Figure 1 An exploded view of the left-right head swinging device is provided for the embodiments of the present application;

[0024] Figure 2 A sectional view of the left-right head swinging device is provided for the embodiments of the present application;

[0025] Figure 3 A sectional view of the fixing assembly of the left-right head swinging device is provided for the embodiments of the present application;

[0026] Figure 4 A sectional view of the rotating assembly of the left-right head swinging device is provided for the embodiments of the present application;

[0027] Figure 5 Another sectional view of the fixing assembly of the left-right head swinging device is provided for the embodiments of the present application;

[0028] Figure 6 A top view of the fixing assembly of the left-right head swinging device is provided for the embodiments of the present application;

[0029] Figure 7 An assembly schematic view of the motor and the motor base of the left-right head swinging device is provided for the embodiments of the present application;

[0030] Figure 8 An assembly schematic view of the bearing seat, the support seat and the motor base of the left-right head swinging device is provided for the embodiments of the present application;

[0031] Figure 9 An assembly schematic view of the gear, the motor base and the motor of the left-right head swinging device is provided for the embodiments of the present application;

[0032] Figure 10The utility model discloses an assembly diagram of bearing seat and support seat of left and right swing head device.

[0033] Figure 11 The utility model discloses an assembly assembly section view of bearing seat and support seat of left and right swing head device.

[0034] Figure 12 The utility model discloses an assembly diagram of gear and cross seat of left and right swing head device.

[0035] Reference numerals

[0036] Switch box 1, first bearing 2, second bearing 3, bearing support 4, cross seat 5, bearing seat 6, support seat 7, gear 8, motor seat 9, motor 10, cylinder 110, first step surface 11, second step surface 41, third step surface 61, center hole 62, arc gear piece 51, gear tooth 52, slot 71. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the embodiments described below are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0038] It should be understood that, when used in the specification and the appended claims, the terms "comprise" and "include" indicate the presence of the described features, integers, steps, operations, elements, and / or components, but do not exclude one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0039] It should also be understood that the terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. As used in the specification of the present application and the appended claims, the singular forms "a", "an" and "the" are intended to include the plural forms unless the context clearly indicates otherwise.

[0040] Referring to Figures 1-12 The utility model discloses a left and right swing head device, the left and right swing head device includes fixed assembly and rotating assembly, fixed assembly is fixed immovably when swinging, and rotating assembly can rotate stably around fixed assembly when swinging, thereby greatly improve the stability of swinging. Specifically, the structure is introduced as follows:

[0041] The fixed assembly comprises a switch box 1, a first bearing 2, a second bearing 3, a bearing support 4 and a cross seat 5. The switch box 1 is provided with a column body 110; the switch box 1 can be cylindrical, and the column body 110 is arranged at the middle part of the switch box 1.

[0042] The first bearing 2 and the bearing support 4 are sequentially sleeved on the column body 110; specifically, the first bearing 2 is located at the lower side of the bearing support 4, and the bearing support 4 can limit the upward movement of the first bearing 2.

[0043] The second bearing 3 is sleeved on the bearing support 4; specifically, the second bearing 3 is arranged at the upper end of the bearing support 4.

[0044] The cross seat 5 is fixed to the end face of the column body 110; specifically, the cross seat 5 can be fixed to the upper end face of the column body 110 by fasteners, which can be screws.

[0045] Further, the rotating assembly comprises a bearing seat 6, a support seat 7 and a driving device.

[0046] The bearing seat 6 is fixedly connected with the support seat 7, for example, by fasteners, which can be screws.

[0047] The bearing seat 6 is sleeved on the outer side of the first bearing 2 and the second bearing 3; specifically, the bearing seat 6 is provided with a central hole 62, and the first bearing 2, the bearing support 4, the second bearing 3 and the cross seat 5 are integrally embedded in the central hole 62, and the first bearing 2 and the second bearing 3 are in contact with the inner wall of the central hole 62.

[0048] The driving device is fixed on the support seat 7, and the driving device is rotationally connected with the cross seat 5; wherein the rotating assembly is driven to rotate around the fixed assembly by the driving device. In the present application, the axial directions of the fixed assembly and the rotating assembly coincide, that is, the axes of the switch box 1, the first bearing 2, the second bearing 3, the bearing support 4, the cross seat 5, the bearing seat 6, the support seat 7 and the driving device coincide.

[0049] Specifically, when rotating, the bearing seat 6 rotates around the first bearing 2 and the second bearing 3, and the first bearing 2 and the second bearing 3 can achieve better rotational positioning of the bearing seat 6, ensuring that the axis does not deviate, thereby reducing the shaking during rotation and greatly improving the stability of the swing head.

[0050] The utility model discloses a technical scheme of an embodiment, and left and right head swinging device includes fixed subassembly and rotating subassembly, the fixed subassembly includes switch box 1, first bearing 2, second bearing 3, bearing support 4 and cross center seat 5, the switch box 1 is equipped with cylinder 110, first bearing 2 and bearing support 4 are sequentially set on cylinder 110, second bearing 3 is set on bearing support 4, cross center seat 5 is fixed in the end face of cylinder 110, rotating subassembly includes bearing seat 6, support seat 7 and drive arrangement, bearing seat 6 is fixedly connected with support seat 7, bearing seat 6 is set on the outside of first bearing 2 and second bearing 3, drive arrangement is fixed on support seat 7, and drive arrangement is rotationally connected with cross center seat 5, wherein, rotating subassembly is driven by drive arrangement and rotates around fixed subassembly, when rotating, bearing seat 6 rotates around first bearing 2 and second bearing 3, and better rotating positioning for bearing seat 6 can be realized through first bearing 2 and second bearing 3, ensure that its axis does not deviate, thereby reduce the shaking of rotating process, greatly improve the stability of swinging head.

[0051] Further, in some embodiments, for example in the embodiment, the outside of the cylinder 110 is provided with a first step surface 11, and the first bearing 2 is arranged on the first step surface 11; the outside of the bearing support 4 is provided with a second step surface 41, and the second bearing 3 is arranged on the second step surface 41.

[0052] Specifically, the inner ring of the first bearing 2 is in interference fit with the cylinder 110, and the inner ring of the second bearing 3 is in interference fit with the bearing support 4, thereby ensuring the firm fixing of the first bearing 2 and the second bearing 3.

[0053] Further, the first step surface 11 can reliably limit the first bearing 2 to avoid downward movement of the first bearing 2. The second step surface 41 can reliably limit the second bearing 3 to avoid downward movement of the second bearing 3.

[0054] Further, in some embodiments, for example in the embodiment, the lower end of the bearing support 4 abuts the inner side of the upper end face of the first bearing 2.

[0055] Specifically, the bearing support 4 can reliably limit the first bearing 2 to avoid upward movement of the first bearing 2.

[0056] Further, in some embodiments, for example in the embodiment, the upper end face of the second bearing 3, the bearing support 4 and the cylinder 110 is flush, and the bottom face of the cross center seat 5 is arranged on the upper side of the second bearing 3, the bearing support 4 and the cylinder 110.

[0057] The upper end surface of the second bearing 3, the bearing support 4 and the column 110 is flush, facilitating better installation of the cross seat 5. The bottom surface of the cross seat 5 is arranged on the upper side of the second bearing 3, the bearing support 4 and the column 110, and specifically, the bottom surface of the cross seat 5 presses the upper end surface of the second bearing 3, thereby achieving reliable limiting of the second bearing 3 and avoiding upward movement thereof.

[0058] Further, in some embodiments, such as the present embodiment, the driving device comprises a motor 10 and a gear 8 connected with the motor 10. Specifically, the output shaft of the motor 10 is connected with the gear 8.

[0059] The upper side of the cross seat 5 is provided with an arc-shaped gear piece 51, and the inner side of the arc-shaped gear piece 51 is provided with a gear tooth 52; the gear 8 is engaged with the gear tooth 52 of the arc-shaped gear piece 51. When the motor 10 rotates, the gear 8 rotates on the gear tooth 52 of the arc-shaped gear piece 51, thereby driving the entire rotating assembly to rotate around the fixed assembly.

[0060] Further, in some embodiments, such as the present embodiment, the support seat 7 is provided with a slot 71, one end of the bearing seat 6 is embedded in the slot 71 and is fixedly connected with the support seat 7, for example, by fasteners, which can be specifically screws, and the utility model is not specifically limited in this regard.

[0061] Further, in some embodiments, such as the present embodiment, the driving device further comprises a motor seat 9, the motor 10 is fixed on the motor seat 9, and the motor seat 9 is fixed on the support seat 7. For example, the motor 10 can be fixed on the motor seat 9 by fasteners, and the motor seat 9 can be fixed on the support seat 7 by fasteners, which can be specifically screws, and the utility model is not specifically limited in this regard.

[0062] Specifically, the motor seat 9 is arranged on the upper side of the support seat 7, and the motor 10 is arranged on the upper side of the motor seat 9; the gear 8 is arranged on the lower side of the motor seat 9; the output shaft of the motor 10 passes through the motor seat 9 and is connected with the gear 8; and the arc-shaped gear piece 51 on the upper side of the cross seat 5 is engaged with the gear 8.

[0063] Further, in some embodiments, such as the present embodiment, the inner side of the center hole 62 of the bearing seat 6 is provided with a third stepped surface 61, which abuts against the outer side of the upper end surface of the first bearing 2.

[0064] By cooperation of the first bearing 2 and the third step surface 61, on one hand, the bearing seat 6 realizes the limiting for the first bearing 2, and limits the first bearing 2 from moving upward; on the other hand, the first bearing 2 realizes the limiting for the bearing seat 6, and limits the bearing seat 6 from moving downward, which can effectively prevent the bearing seat 6 from sinking due to the excessive weight of the bearing, and avoid the contact friction between the bearing seat 6 and the switch box 1, thereby avoiding the excessive rotating resistance.

[0065] The outer ring of the second bearing 3 is in interference fit with the bearing seat 6; when the fixed component and the rotating component move relative to each other, the outer rings of the first bearing 2 and the second bearing 3 rotate with the rotating component, and drive the head of the electric appliance (for example, the fan) to rotate left and right; the inner rings of the first bearing 2 and the second bearing 3 do not rotate with the component 1, and the double-bearing structure makes the fixed component and the rotating component coaxial, and makes the switch box 1 and the support seat 7 coaxial in appearance; the double-bearing structure reduces the shaking of the machine body, and improves the stability of the electric appliance (for example, the fan) in operation.

[0066] The electric appliance can be a fan, and the electric appliance is not limited in the utility model.

[0067] 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 related description of other embodiments.

[0068] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model.

[0069] 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 limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0070] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do the broad sense understanding, for example, can be the connection, also can be the detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through the intermediate medium, can be the communication of two elements or the interaction of two elements.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0071] In the utility model, unless another definite provision and limitation, the first feature is "on" or "under" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them.Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature.The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0072] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model.In the 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 specification.

[0073] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model.Such, the modifications and variations of the utility model also belong to the scope of the claims of the utility model and its equivalent technologies, then the utility model also intends to include these modifications and variations.

[0074] The above is the specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model.Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A left and right head swinging device characterized by comprising: The electric appliance comprises: a fixing assembly comprising a switch box, a first bearing, a second bearing, a bearing support and a cross seat, the switch box being provided with a column body; the first bearing and the bearing support are sequentially sleeved on the column body, and the second bearing is sleeved on the bearing support; the cross seat is fixed on an end surface of the column body; a rotating assembly comprising a bearing seat, a support seat and a driving device; the bearing seat is fixedly connected with the support seat, and the bearing seat is sleeved on the outer sides of the first bearing and the second bearing; the driving device is fixed on the support seat, and the driving device is rotationally connected with the cross seat; wherein the rotating assembly is driven to rotate around the fixing assembly by the driving device.

2. The left and right oscillating head device according to claim 1, characterized in that The outer side of the column body is provided with a first step surface, and the first bearing is arranged on the first step surface; the outer side of the bearing support is provided with a second step surface, and the second bearing is arranged on the second step surface.

3. The left and right oscillating head device according to claim 2, characterized in that The lower end of the bearing support abuts against the inner side of the upper end surface of the first bearing.

4. The left and right oscillating head device according to claim 2, characterized in that The upper end surfaces of the second bearing, the bearing support and the column body are flush, and the bottom surface of the cross seat is arranged on the upper side of the second bearing, the bearing support and the column body.

5. The left and right oscillating head device according to claim 1, characterized in that, The inner ring of the first bearing is in interference fit with the column body, and the inner ring of the second bearing is in interference fit with the bearing support.

6. The left and right head swinging device according to claim 1, characterized by The driving device comprises a motor and a gear, the gear is connected with the motor; the upper side of the cross seat is provided with an arc-shaped gear piece, the inner side of the arc-shaped gear piece is provided with a gear tooth; the gear is engaged with the gear tooth of the arc-shaped gear piece.

7. The device according to claim 6, characterized in that The driving device further comprises a motor seat, the motor is fixed on the motor seat, and the motor seat is fixed on the support seat.

8. The left and right oscillating head device according to claim 1, characterized by The support seat is provided with a slot, one end of the bearing seat is embedded in the slot, and is fixedly connected with the support seat.

9. The right-to-left head swing apparatus of claim 1, wherein The bearing seat is provided with a center hole, the inner side of the center hole is provided with a third step surface, and the third step surface abuts against the outer side of the upper end surface of the first bearing.

10. An electrical appliance characterized by The electric appliance comprises the left-right swing head device as claimed in any one of claims 1-9.

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