CN219242260U

CN219242260U - Fan with fan body

Info

Publication number: CN219242260U
Application number: CN202320152969.5U
Authority: CN
Inventors: 林永坚; 李俭兴; 罗礼胜; 赵建江
Original assignee: Jiangmen Jinling Fan Manufacturing Co ltd
Current assignee: Jiangmen Jinling Fan Manufacturing Co ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-06-23
Anticipated expiration: 2033-01-18

Abstract

The utility model discloses a fan, which relates to the field of fan waterproofing and comprises a shell, a swinging assembly, a pull rod and a waterproof piece. The head shaking assembly is arranged inside the shell, and the shell is provided with a mounting hole. The pull rod comprises a connecting rod, a convex cap and an annular part, and the annular part is connected with the convex cap and is arranged around the connecting rod; and one end of the waterproof piece is in sealing connection with the outer wall of the mounting hole, and the other end of the waterproof piece is positioned between the annular part and the connecting rod. When the fan is located outdoors and rains, water can fall down along the annular portion, and the waterproof piece can block the inside that water got into the shell, and water can drip to ground at last to effectively reduce the probability that water got into the fan inside from the mounting hole, can improve the waterproof performance of fan, and accord with IPX4 waterproof standard, effectively reduce the harm that the fan leads to because of intaking.

Description

Fan with fan body

Technical Field

The utility model relates to the field of fan waterproofing, in particular to a fan.

Background

Existing fans have a function of shaking the head, and the fan is controlled to shake the head or orient by a pull rod on the housing. For example, pull the tie rod up, the fan is fixed; the pull rod is pressed down, and the fan swings. However, the gap between the connecting part of the existing pull rod and the shell is large, and water is easy to enter. For example, some fans that are mainly used outdoors are prone to rain entering the interior of the fan through gaps when the fan is not recovered in rainy days, resulting in safety risks and failures.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the fan which can effectively reduce water from entering the fan from the gap between the pull rod and the shell so as to improve the waterproof performance of the fan.

According to an embodiment of the utility model, a fan includes:

a housing provided with a mounting hole;

the shaking head assembly is arranged in the shell;

the pull rod comprises a connecting rod, a convex cap and an annular part, the connecting rod is connected to the lower end of the convex cap, the connecting rod penetrates through the mounting hole and is connected to the head shaking assembly, and the annular part is connected to the lower end of the convex cap and is enclosed by the connecting rod;

the annular waterproof piece, the one end of waterproof piece with the lateral wall sealing connection of mounting hole, the other end of waterproof piece is located annular portion with between the connecting rod.

The fan provided by the embodiment of the utility model has at least the following beneficial effects:

the oscillating assembly is arranged in the shell and used for controlling the oscillating or orientation of the fan. The connecting rod of the pull rod is respectively connected with the convex cap and the swinging head assembly, so that the swinging head assembly can be controlled by pulling the pull rod or pressing the pull rod. The annular part is connected with the convex cap and is surrounded on the connecting rod; and one end of the waterproof piece is in sealing connection with the outer wall of the mounting hole, and the other end of the waterproof piece is positioned between the annular part and the connecting rod. When the fan is located outdoors and rains, water can fall down along the annular portion, and the waterproof piece can block the inside that water got into the shell, and water can drip to ground at last to effectively reduce the probability that water got into the fan inside from the mounting hole, can improve the waterproof performance of fan, and accord with IPX4 waterproof standard, effectively reduce the harm that the fan leads to because of intaking.

According to some embodiments of the utility model, the lower end of the waterproof piece is provided with a connecting part, the peripheral wall of the connecting part is provided with an annular groove, and the annular groove is clamped on the side wall of the mounting hole in a sealing way.

According to some embodiments of the utility model, the housing includes an arcuate portion, the mounting hole is provided in the arcuate portion, and the connecting portion is provided obliquely to fit the shape of the arcuate portion.

According to some embodiments of the utility model, the pull rod is provided with a through hole penetrating the convex cap and the connecting rod, the fan further comprises a fastener and a waterproof gasket, the fastener penetrates through the through hole and is connected with the oscillating assembly, and the fastener and the waterproof gasket are in sealing fit to seal the through hole.

According to some embodiments of the utility model, the convex cap is provided with a groove, the groove is communicated with the through hole, and the waterproof gasket is arranged in the groove.

According to some embodiments of the utility model, the waterproof gasket is a silicone ring or a rubber ring.

According to some embodiments of the utility model, the waterproof member is made of rubber, silicone or plastic.

According to some embodiments of the utility model, a limit groove is arranged at the lower end of the connecting rod, a limit protrusion is arranged on the oscillating component, and the limit protrusion is in limit fit with the limit groove.

According to some embodiments of the utility model, the fan further comprises a waterproof inner cover, a waterproof outer cover, an end cover and a motor, wherein the end cover is connected to the housing, the end cover is provided with an avoidance hole, the motor is arranged in the housing, an output shaft of the motor penetrates through the avoidance hole, a first annular structure and a second annular structure are arranged at intervals on the waterproof outer cover, a third annular structure and a fourth annular structure are arranged at intervals on the waterproof inner cover, the waterproof inner cover is connected to the motor, the waterproof outer cover is sleeved on the output shaft and seals the avoidance hole, the second annular structure is arranged between the third annular structure and the fourth annular structure, and the third annular structure is arranged between the first annular structure and the second annular structure.

According to some embodiments of the utility model, the fan further comprises an end cap connected to the housing, a motor, a waterproof band around a connection between the end cap and the housing, and a hose around the waterproof band such that the waterproof band seals a gap between the end cap and the housing.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a portion of a fan according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a pull rod and flashing according to an embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of the tie rod and flashing of FIG. 2;

FIG. 4 is an enlarged schematic view at A in FIG. 1;

FIG. 5 is an enlarged schematic view at B in FIG. 1;

fig. 6 is an enlarged schematic view at C in fig. 1.

Reference numerals:

a fan 100; a pull rod 110; a connecting rod 111; a through hole 1111; a limit groove 1112; a male cap 112; a groove 1121; an annular portion 113; a waterproof member 120; a connection portion 121; an annular groove 122; a fastener 130; a waterproof gasket 140;

a housing 210; a mounting hole 211; an arc-shaped portion 212; a head shaking assembly 220; a limit protrusion 221; a waterproof outer cover 230; a first annular structure 231; a second annular structure 232; a waterproof inner cover 240; a third annular structure 241; a fourth annular structure 245; an end cap 250; avoidance hole 251; a motor 260; an output shaft 261; a waterproof tape 270; a laryngeal cuff 280.

Detailed Description

Embodiments of the present utility model 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 utility model.

In the description of the present utility model, 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 utility model 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 utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, in an embodiment of the present utility model, fan 100 includes a housing 210, an end cap 250, a swing assembly 220, and a motor 260. The housing 210 has a hollow structure and is provided with mounting holes 211. The oscillating assembly 220 and the motor 260 are both disposed inside the housing 210, and the end cap 250 is connected to the housing 210. Wherein, the output shaft 261 of the motor 260 penetrates through the end cover 250, and the output shaft 261 is connected with the fan blades; the swing assembly 220 is used to control the swing of the fan 100.

Referring to fig. 2, 3 and 4, the fan 100 further includes a pull rod 110 and a waterproof member 120, the pull rod 110 includes a connecting rod 111 and a convex cap 112, the convex cap 112 is in a shape of a circular truncated cone, an upper end of the connecting rod 111 is connected with a lower end surface of the convex cap 112, and a lower end of the connecting rod 111 is penetrated through the mounting hole 211 and is connected with the oscillating assembly 220. The switching of the oscillating assembly 220 may thus be controlled by the pull rod 110 to oscillate or orient the fan 100. The lower end surface of the male cap 112 is provided with an annular portion 113, and the annular portion 113 is annular and disposed around the connecting rod 111. The waterproof member 120 is in a ring shape, one end of the waterproof member 120 is in sealing connection with the outer wall of the mounting hole 211, and the other end of the waterproof member 120 is located between the ring portion 113 and the connecting rod 111.

It should be noted that, in the assembly stage, the waterproof member 120 may be installed first, then the pull rod 110 may be installed, and the connecting rod 111 of the pull rod 110 may be sequentially inserted through the installation hole 211 and the waterproof member 120, and then connected to the oscillating assembly 220. It can be appreciated that when the fan 100 is located outdoors and rains, water will fall down along the annular portion 113, and the waterproof member 120 can block water from entering the interior of the housing 210, and finally water will drop to the ground, so that the probability that water enters the interior of the fan 100 from the mounting hole 211 is effectively reduced, the waterproof performance of the fan 100 can be improved, and the waterproof performance meets the IPX4 waterproof standard, and the harm caused by water inlet of the fan 100 is effectively reduced.

Referring to fig. 2, in the embodiment of the present utility model, a connection part 121 is provided at the lower end of the waterproof member 120, an annular groove 122 is provided at the outer circumferential wall of the connection part 121, and the annular groove 122 is sealed and engaged with the outer wall of the mounting hole 211. By adopting the scheme, the installation mode of the waterproof piece 120 is simple and convenient, the installation process can be simplified, and the installation efficiency is improved. Providing the annular groove 122 in sealing engagement with the outer wall of the mounting hole 211 can improve the waterproof performance of the fan 100. It should be noted that, in another embodiment of the present utility model, the waterproof member 120 may be sealed and connected with the outer wall of the mounting hole 211 by a sealant, and an appropriate scheme is specifically selected according to practical situations. It should be further noted that, the housing 210 includes an arc portion 212, and the mounting hole 211 is disposed in the arc portion 212, so that, to adapt to the inclination arc of the housing 210, the connection portion 121 may be disposed obliquely, and the angle of inclination may be designed according to the actual shape of the housing 210, which is not limited herein.

In the embodiment of the present utility model, the waterproof member 120 may be made of a material such as silica gel, rubber or plastic. Taking rubber as an example, the waterproof member 120 can be elastically deformed. Therefore, during installation, a part of the structure of the annular groove 122 may be first clamped to the outer wall of the installation hole 211, and then rotated to clamp all the structure of the annular groove 122 to the outer wall of the installation hole 211, thereby completing the installation of the waterproof member 120. It can be appreciated that the waterproof piece 120 made of rubber is simple in manufacturing mode, mature in process and low in cost.

Referring to fig. 4, in the embodiment of the present utility model, the pull rod 110 is provided with a through hole 1111 penetrating the male cap 112 and the connection rod 111, and the fan 100 further includes a fastener 130 and a waterproof gasket 140, wherein the fastener 130 may be a screw, a bolt, a pin, etc.; the waterproof gasket 140 is in a ring shape, a hole is arranged in the middle of the waterproof gasket, so that the fastener 130 can conveniently pass through the waterproof gasket 140 can be a silica gel ring or a rubber ring. Taking a screw as an example, the screw penetrates through the through hole 1111 and is in threaded connection with the oscillating head assembly 220, so that the pull rod 110 is fixedly connected to the oscillating head assembly 220. And the head of the screw is in sealing fit with the waterproof gasket 140, so that the through hole 1111 is blocked, water is effectively prevented from entering the housing 210 from the through hole 1111, and the waterproof performance of the fan 100 is further improved.

With continued reference to fig. 4, in the embodiment of the present utility model, the upper end of the male cap 112 is recessed to form a groove 1121, and the waterproof gasket 140 is disposed in the groove 1121, and the head of the screw is also disposed in the groove 1121 and abuts against the waterproof gasket 140. It will be appreciated that the provision of the recess 1121 conceals the screw and improves the overall aesthetics of the pull rod 110.

Referring to fig. 3 and 4, in the embodiment of the present utility model, a limiting groove 1112 is formed at the lower end of the connecting rod 111, and the cross section of the limiting groove 1112 may be rectangular, triangular, elliptical, or any non-circular shape. The oscillating module 220 is provided with a limit protrusion 221, and the shape of the limit protrusion 221 is matched with the shape of the limit groove 1112, for example, the limit protrusion is rectangular. When the connection rod 111 and the shaking head assembly 220 are connected, the limit protrusions 221 and the limit grooves 1112 are in limit fit, thereby limiting the rotation of the connection rod 111. The pull rod 110 is effectively prevented from loosening due to vibration when the fan 100 works, and the stability of connection between the pull rod 110 and the oscillating assembly 220 can be improved.

Referring to fig. 5, in the embodiment of the present utility model, the fan 100 further includes a waterproof inner cover 240 and a waterproof outer cover 230, the end cover 250 is provided with a relief hole 251, and an output shaft 261 of the motor 260 passes through the relief hole 251. The waterproof outer cover 230 is provided with a first annular structure 231 and a second annular structure 232, and the first annular structure 231 and the second annular structure 232 are annular and are arranged at intervals; the waterproof inner cap 240 is provided with a third annular structure 241 and a fourth annular structure 245, and the third annular structure 241 and the fourth annular structure 245 are annular and are arranged at intervals. In the assembly stage, a waterproof inner cover 240 is firstly installed, and the waterproof inner cover 240 is arranged on an output shaft 261 in a penetrating manner and is connected with the front end of a motor 260; then, the waterproof outer cover 230 is installed, and the waterproof outer cover 230 is sleeved on the output shaft 261 and seals the avoidance hole 251. Wherein the second annular structure 232 of the waterproof outer cap 230 is located between the third annular structure 241 and the fourth annular structure 245 of the waterproof inner cap 240, and the third annular structure 241 is located between the first annular structure 231 and the second annular structure 232. It can be appreciated that, with the above scheme, the cooperation between the waterproof outer cover 230 and the waterproof inner cover 240 is similar to a labyrinth structure, so that water can be effectively prevented from penetrating into the casing through the avoiding hole 251, thereby reducing the risk of circuit failure caused by water inlet of the fan 100.

Referring to fig. 6, in the embodiment of the present utility model, the fan 100 further includes a waterproof tape 270 and a hose 280, the waterproof tape 270 is circumferentially provided at the junction between the end cover 250 and the casing 210, and the waterproof tape 270 is fixed to the end cover 250 and the casing 210 by the hose 280, thereby sealing the gap between the end cover 250 and the casing 210, and effectively preventing water from entering the inside of the casing 210 from the gap between the end cover 250 and the casing 210, so as to improve the waterproof performance of the fan 100. In the embodiment of the present utility model, the waterproof tape 270 is made of EVA foam, which has good waterproof performance and does not absorb water, so as to prevent moist air from penetrating into the housing 210.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A fan, comprising:

a housing provided with a mounting hole;

the shaking head assembly is arranged in the shell;

2. The fan according to claim 1, wherein the lower end of the waterproof member is provided with a connecting portion, an outer peripheral wall of the connecting portion is provided with an annular groove, and the annular groove is in sealing engagement with a side wall of the mounting hole.

3. The fan of claim 2, wherein the housing includes an arc portion, the mounting hole is provided in the arc portion, and the connection portion is provided obliquely to fit the shape of the arc portion.

4. The fan of claim 1, wherein the pull rod is provided with a through hole penetrating the convex cap and the connecting rod, the fan further comprises a fastener and a waterproof gasket, the fastener penetrates through the through hole and is connected with the oscillating assembly, and the fastener and the waterproof gasket are in sealing fit to seal the through hole.

5. The fan of claim 4, wherein the male cap is provided with a groove, the groove communicates with the through hole, and the waterproof gasket is disposed in the groove.

6. The fan of claim 4, wherein the waterproof gasket is a silicone ring or a rubber ring.

7. The fan of claim 1, wherein the waterproof member is made of rubber, silicone or plastic.

8. The fan of claim 1, wherein the lower end of the connecting rod is provided with a limit groove, the oscillating assembly is provided with a limit protrusion, and the limit protrusion is in limit fit with the limit groove.

9. The fan of claim 1, further comprising a waterproof inner cover, a waterproof outer cover, an end cover, and a motor, wherein the end cover is connected to the housing, the end cover is provided with an avoidance hole, the motor is disposed in the housing, an output shaft of the motor penetrates through the avoidance hole, the waterproof outer cover is provided with a first annular structure and a second annular structure at intervals, the waterproof inner cover is provided with a third annular structure and a fourth annular structure at intervals, the waterproof inner cover is connected to the motor, the waterproof outer cover is sleeved on the output shaft and seals the avoidance hole, the second annular structure is disposed between the third annular structure and the fourth annular structure, and the third annular structure is disposed between the first annular structure and the second annular structure.

10. The fan of claim 1 further comprising an end cap, a motor, a waterproof band, and a throat hoop, the end cap being connected to the housing, the waterproof band being disposed around a junction between the end cap and the housing, the throat hoop being disposed around the waterproof band such that the waterproof band seals a gap between the end cap and the housing.