CN216554496U - Fan - Google Patents

Abstract

The utility model relates to a fan, comprising: the fan comprises a grid, a motor contained in the grid and a circular ring located on the outer side of the grid, wherein the circular ring is flush with or close to the two sides of the grid, and the circular ring is basically flush with the two sides of the grid, so that the fan is small in thickness and convenient to store.

Description

Fan

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of household appliances, in particular to a fan.

[ background of the utility model ]

In order to cool people in summer, the fan can effectively dissipate hot air, but the inventor finds at least the following problems in the process of using and accommodating the existing floor fan:

the thickness of current fan head is big, and the rib on the grid is outside protruding, still needs to install the drive division of fan in the outside of grid simultaneously to make fan head thickness increase, when using and accomodating, need provide great placement space for it.

Accordingly, there is a need to develop a fan to solve the above problems.

[ Utility model ] content

Aiming at the defects in the prior art, the utility model aims to provide a fan, which comprises: the motor is accommodated in the grating, and the circular ring is positioned on the outer side of the grating and is flush with or close to the two sides of the grating.

Preferably, the circular rings comprise an upper half circular ring and a lower half circular ring which is separated from the upper half circular ring; the upper semicircular ring is arranged on the grating, and the lower semicircular ring is pivoted with the grating.

Preferably, an abdicating gap is arranged between the lower semicircular ring and the upper semicircular ring.

Preferably, lower semicircle ring include interior annular portion and with interior annular portion complex outer ring portion, interior annular portion is established including the cover in epaxial shaft hole of pin joint makes the grid is relative lower semicircle ring rotates.

Preferably, the pivot shaft is provided with a limiting part, the limiting part is provided with a limiting groove, the shaft hole is provided with a convex limiting block, and the limiting block is contained in the limiting groove.

Preferably, the pivot shaft is provided with a through hole, a wiring groove is arranged in the grating, and a power line of the motor can penetrate through the through hole along the wiring groove.

Preferably, the fan includes a support rod connected with the lower semicircular ring, and the support rod is detachably divided into at least two sections.

Preferably, one of the sections of the support rod comprises a connecting sheet arranged in the lower semicircular ring and a fixing part integrally formed with the connecting sheet.

Preferably, a rotating component is arranged in the fixed part to realize circumferential movement of the fan.

Preferably, the fan further comprises a base, and the base is in threaded connection with the supporting rod.

Compared with the prior art, the utility model has the beneficial effects that:

according to the fan provided by the utility model, the thickness of the fan is reduced through the design that the circular ring is flush or nearly flush with the two sides of the grid and the motor is accommodated in the grid, so that the volume of the fan is reduced.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

[ description of the drawings ]

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a side view of a fan of the present invention;

FIG. 2 is an exploded view of a fan section of the present invention;

FIG. 3 is a schematic perspective view of a fan according to the present invention;

FIG. 4 is a schematic perspective view of a front grill of the fan of the present invention;

FIG. 5 is an enlarged partial schematic view of FIG. 4;

FIG. 6 is a schematic perspective view of a rear grill of the fan of the present invention;

FIG. 7 is an enlarged partial schematic view of FIG. 6;

FIG. 8 is a partial structural view of the fan of the present invention;

FIG. 9 is an enlarged partial schematic view of FIG. 8;

FIG. 10 is an exploded view of the upper support rod and the lower semicircular ring of the fan according to the present invention;

FIG. 11 is a schematic perspective view of a rear grill of the fan of the present invention;

FIG. 12 is an enlarged partial schematic view of FIG. 11;

FIG. 13 is a perspective view of the fan of the present invention;

FIG. 14 is a partial cross-sectional view of a support pole on the fan of the present invention;

fig. 15 is a perspective view of the support rod and the base of the present invention.

Description of reference numerals:

1. a rear grille;

11. a second housing; 111. fixing the mounting hole; 112 through holes; 113. a second connecting portion; 1131. a bayonet; 114. a pivot shaft; 115. an inner housing;

12. a second rib;

14. a wiring groove;

15. a limiting gasket; 151. a limiting groove;

2. a circular ring;

21. a lower semicircular ring; 211. an inner ring portion; 2111. a limiting block; 2112. a shaft hole; 212. an outer ring portion;

22. an upper semicircular ring;

23. a abdication gap;

3. a front grille;

31. a first housing; 311. a skirt edge; 312. a first connection portion; 3121. a limiting clamping block; 32. a first rib;

41. an impeller; 42. a motor;

5. a base;

6. a support bar; 61. a fixed part; 611. a stopper; 62. connecting sheets; 63. a rotating electric machine; 64. An upper bracket; 65. PCBA board; 66. a lower bracket; 67. a drive section.

[ detailed description ] embodiments

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict. It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Referring to fig. 1 and 2, the present invention relates to a fan including a grill, an impeller 41 disposed in the grill, a motor 42 housed in the impeller 41, and a ring 2 located outside the grill.

The inner space of the grid is fully utilized, the thickness of the head of the fan is reduced, and therefore the size of the whole fan is reduced, and the fan is convenient to store by a user. Preferably, the motor 42 is an outer rotor dc motor, which is convenient to be accommodated in the impeller due to its small volume.

The impeller, the ring 2 with the both sides of grid are flushed or nearly flushed for this fan head can not outwards be outstanding, has further reduced the thickness of fan head, and the user of being convenient for accomodates.

Specifically, as shown in fig. 11 and 12, the end face of the grating is a convex curved surface, wherein a first vertical surface perpendicular to the circular ring 2 forms an included angle α with the end face of the grating, and the included angle α approaches 0, so that the end face of the grating is flush or approximately flush with the circular ring 2.

In a preferred embodiment, as shown in fig. 3, the circular rings 2 are spaced outside the grille, and the grille is pivoted to the circular rings 2 so that the grille can rotate relative to the circular rings 2, thereby adjusting the air outlet direction of the fan.

Furthermore, the ring 2 includes an upper half ring 22 and a lower half ring 21 separately disposed from the upper half ring 22, and meanwhile, an abdicating gap 23 is disposed between the upper half ring 22 and the lower half ring 21, so that the upper half ring 22 and the lower half ring 21 can generate relative position change. Specifically, the upper semicircular ring 22 is disposed on the grille, and the grille is pivoted on the lower semicircular ring 21, so that the upper semicircular ring 22 can rotate along with the grille.

As shown in fig. 10, the lower semicircular ring 21 includes an inner ring portion 211 and an outer ring portion 212.

Meanwhile, the fan further comprises a support rod 6, the circular ring 2 is arranged at one end of the support rod 6, wherein the support rod 6 is detachably divided into at least two sections, and the outer ring part 212 penetrates through the fixing part 61 to be connected with the inner ring part 211;

the inner ring portion 211 is provided with a shaft hole 2112 for sleeving the pivot shaft 114, and the shaft hole 2112 is sleeved by the pivot shaft 114, so that the grille rotates relative to the lower semicircular ring 21.

Specifically, a section of the support rod 6 close to the circular ring 2 includes a connecting piece 62 disposed in the lower semicircular ring 21 and a fixing portion 61 integrally formed with the connecting piece 62, the connecting piece 62 is disposed between the inner ring portion 211 and the outer ring portion 212, so that the connecting piece 62 is clamped by the inner ring portion 211 and the outer ring portion 212, and the support rod 6 is fixed to the lower semicircular ring 21.

Further, as shown in fig. 13 and 14, a rotating component is disposed in the fixing portion 61 to realize circumferential movement of the fan.

The rotating assembly comprises a rotating motor 63, a stop block 611 is arranged in the fixing portion 61, a first gear is mounted at the power output end of the rotating motor 63, the rotating motor 63 drives a driving portion 67, the driving portion 67 comprises a second gear, the second gear is fixed on the supporting rod 6, the second gear is meshed with the first gear, the rotating motor 63 is fixed on the stop block 611, so that the rotating motor 63 drives the fixing portion 61 to rotate, a limiting structure is arranged on the second gear, and the limiting structure is inconsistent with the stop block 611. Simultaneously, the second gear is half gear structure to the restriction rotating assembly turned angle to prevent that the angle of shaking the head is too big.

The support bar 6 further comprises an upper bracket 64 and a lower bracket 66, the lower bracket 66 is detachably connected to another adjacent section of the support bar 6, the upper bracket 64 is mounted on the support bar 6, and when the rotating motor 63 drives the fixing part 61 to rotate relative to the support bar 6.

The other end of the supporting rod 6 is connected with a base 5; the base 5 with bracing piece 6 passes through threaded connection in order to realize the base 5 with bracing piece 6 is fixed, specifically, be equipped with the external screw thread on the bracing piece 6, be equipped with the internal thread hole on the base 5, through external screw thread on the bracing piece 6 stretches into to the internal thread hole of base 5, thereby will bracing piece 6 can be dismantled and connect on the base 5.

Further, referring to fig. 8 and 9, a limiting portion is disposed on the pivot shaft 114, and the rotation angle of the fan is limited by the limiting portion; specifically, the limiting portion is a limiting gasket 15, and a limiting groove 151 is formed in the limiting portion. The shaft hole 2112 is provided with a protruding limit block 2111, and the limit gasket 15 is located in the shaft hole 2112, so that the limit block 2111 is accommodated in the limit groove 151. When the grill rotates, the limiting groove 151 slides relative to the limiting block 2111, and when the inner wall of the limiting groove 151 abuts against one end of the limiting block 2111, the pivot shaft 114 cannot rotate continuously, so that the rotation angle of the fan facing upward is limited. Similarly, when the fan is bent downward, the inner wall of the stopper groove 151 abuts against the other end of the stopper 2111, and the pivot shaft 114 cannot rotate any more, thereby limiting the angle of rotation of the fan.

With semicircle ring 21 is corresponding down, first semicircle ring 22 include interior casing 115 and with interior casing 115 complex shell body, interior casing 115 set up in on the grid, specifically, be provided with buckle structure on the interior casing 115, through buckle structure, make the shell body with interior casing 115 joint sets up, thereby will first semicircle ring 22 is fixed on the grid. Note that, in the present embodiment, the inner housing 115 is integrally formed on the grill. Of course, the inner housing 115 may alternatively be disposed on the grille by other conventional fastening means.

The grille comprises a front grille 3 and a rear grille 1 clamped with the front grille 3; referring to fig. 4 to 7, the front grill 3 includes a first housing 31, and the rear grill 1 includes a second housing 11, wherein the motor 42 is fixedly mounted on the rear grill 1.

The first shell 31 is fastened on the inner wall of the second shell 11, and the circular ring 2 is coated on the outer wall of the second shell 11.

The first shell 31 is connected with the second shell 11 through a fastening part, and the fastening part comprises a first connecting part 312 and a second connecting part 113;

the first connection portion 312 and the second connection portion 113 are respectively disposed on the first housing 31 and the second housing 11, and meanwhile, the second connection portion 113 is connected to the first connection portion 312 to fix the first housing 31 and the second housing 11.

The first connecting portion 312 is provided with a protruding limiting clamping block 3121, and the second connecting portion 113 is provided with a bayonet 1131 corresponding to the limiting clamping block 3121. When the first housing 31 is abutted with the second housing 11, the limit latch 3121 is latched into the latch 1131 by rotating the first housing 31. In a preferred embodiment, the second housing 11 has eight second connecting portions 113 in the circumferential direction, and the first housing 31 is provided with the first connecting portions 312 corresponding to the second connecting portions 113. The front grating 3 is connected with the rear grating 1 in a buckling connection mode, so that the installation is convenient for a user, and the disassembly and cleaning can be carried out at any time.

A screw is further arranged between the second shell 11 and the first shell 31, a threaded hole 111 is formed in the bottom position of the second shell 11 corresponding to the bottom position of the first shell 31, and the second shell 11 is fixedly connected with the first shell 31 through the matching of the screw and the threaded hole 111. Adopt the mode of screw fixation, increased preceding grid 3 with the joint strength between the back grid 1 prevents that the user from tearing open by mistake to satisfy the safety rule of product.

The side wall of the second housing 11 includes a pivot shaft 114 having a through hole 112, and the power cord of the motor 42 can pass through the through hole 112.

Specifically, a wiring groove 14 for accommodating the power line is formed in the rear grille 1, and the wiring groove 14 corresponds to the through hole 112. The power cord passes through the through hole 112 along the wiring slot 14, extends into the fixing portion 61 along the outer wall of the inner ring portion 211, and is finally connected to a circuit board disposed in the fixing portion 61. Meanwhile, the wiring groove 14 is correspondingly provided with a wire pressing cover, and a power wire routing channel is formed by matching the wire pressing cover and the wiring groove 14, so that potential safety hazards caused by the fact that a power wire is exposed to the external environment are avoided.

It should be understood that the above-described embodiments are only illustrative of portions of the present application and are not intended to limit the scope of the present application.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

Claims (10)

1. A fan, comprising: the motor comprises a grid, a motor (42) contained in the grid and a circular ring (2) positioned outside the grid, wherein the circular ring (2) is flush with or close to flush with two sides of the grid.

2. The fan according to claim 1, characterized in that said circular ring (2) comprises an upper semi-circular ring (22) and a lower semi-circular ring (21) arranged separately from said upper semi-circular ring (22); the upper semicircular ring (22) is arranged on the grating, and the lower semicircular ring (21) is pivoted with the grating.

3. The fan according to claim 2, characterized in that an abdicating gap (23) is provided between the lower semicircular ring (21) and the upper semicircular ring (22).

4. The fan according to claim 2, wherein the lower semi-circular ring (21) comprises an inner ring portion (211) and an outer ring portion (212) cooperating with the inner ring portion (211), the inner ring portion (211) comprising a shaft hole (2112) fitted over the pivot shaft (114) so that the grille rotates relative to the lower semi-circular ring (21).

5. The fan according to claim 4, wherein the pivot shaft (114) is provided with a limiting portion, the limiting portion is provided with a limiting groove (151), the shaft hole (2112) is provided with a protruding limiting block (2111), and the limiting block (2111) is accommodated in the limiting groove (151).

6. The fan of claim 4, wherein the pivot shaft (114) has a through hole, and the grill has a wiring slot (14) therein, and the power cord of the motor (42) can pass through the through hole along the wiring slot (14).

7. The fan according to claim 2, characterized in that it comprises a support bar (6) connected to said lower semi-circular ring (21), said support bar (6) being removably divided into at least two sections.

8. The fan according to claim 7, wherein one of the support rods (6) comprises a connecting piece (62) arranged in the lower semicircular ring (21) and a fixing portion (61) formed integrally with the connecting piece (62).

9. The fan as claimed in claim 8, characterized in that a rotating assembly is provided in the fixed part (61) to effect the circumferential movement of the fan.

10. The fan according to claim 9, characterized in that it further comprises a base (5), said base (5) being screwed to said supporting bar (6).

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