CN218669864U

CN218669864U - Fan

Info

Publication number: CN218669864U
Application number: CN202222564837.1U
Authority: CN
Inventors: 唐瑞峰
Original assignee: Ningbo Ruineng Smart Technology Co ltd
Current assignee: Ningbo Ruineng Smart Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-03-21
Anticipated expiration: 2032-09-27

Abstract

The utility model provides a fan relates to electrical apparatus technical field, and the fan includes fan head, base, beta structure and closed grid, beta structure's one end articulate in the base, beta structure's the other end articulate in the fan head, the fan head is used for passing through beta structure draw in on the base, the fan head includes preceding otter board, preceding otter board is equipped with the air outlet, closed grid rotate connect in preceding otter board, just the shape of closed grid with the shape looks adaptation of air outlet, closed grid is used for air outlet department forms closed plane, follows in order to prevent the dust the air outlet gets into inside the fan head. The utility model discloses a fan, compare in prior art, can block that the dust gets into fan head inside, avoid causing fan trouble because of the dust, improved the life of fan.

Description

Fan

Technical Field

The utility model relates to an electrical apparatus technical field particularly, relates to a fan.

Background

The fan is workman and the essential auxiliary assembly of processing equipment heat dissipation in the hot summer, but current fan structure is fixed, and the function singleness can not satisfy people's demand growing day by day, and consequently, folded cascade fan is more and more popular favor, and folded cascade fan can be folded it when not being in operating condition to reduce occupation space.

However, when the fan is not needed, the fan is stacked in a storage room or directly placed in a factory, dust in the factory is large, after the fan is stacked for a while, the fan blades and the motor are full of dust, and after the dust enters the motor, the rotating speed of the motor is reduced and the service life of the motor is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the problem that will solve is: how to improve the service life of the fan.

The utility model provides a fan, include: the fan head comprises a fan head body, a base, a folding structure and a closed grid, wherein one end of the folding structure is hinged to the base, the other end of the folding structure is hinged to the fan head body, the fan head body is folded on the base through the folding structure, the fan head body comprises a front screen plate, the front screen plate is provided with an air outlet, the closed grid is rotatably connected to the front screen plate, the shape of the closed grid is matched with that of the air outlet, and the closed grid is used for forming a closed plane at the air outlet to prevent dust from entering the interior of the fan head body from the air outlet.

The utility model provides a pair of fan compares in prior art, has but not be limited to following beneficial effect:

the fan, when need not use the fan, rotate horizontal position through beta structure, the fan head just can draw in on the base through beta structure, the air outlet of otter board gets into the fan head inside before the dust accessible this moment, through rotating on the otter board in the front and connecting closed grid, and the shape of closed grid and the shape looks adaptation of air outlet, when the fan need not use, can form closed plane in air outlet department through rotating closed grid, inside from the air outlet entering fan head, when needs use the fan, rotate closed grid, make closed grid and preceding otter board coincidence, with this air outlet air-out of otter board before not influencing. Compared with the prior art, the utility model, not only the fan is collapsible to reduce space and occupy, but also can block that the dust gets into the fan head inside, avoid causing the fan trouble because of the dust, improved the life of fan.

Optionally, the fan head includes casing, preceding otter board, back otter board, flabellum and motor, preceding otter board connect in the front end of casing, back otter board connect in the rear end of casing, flabellum and motor set up in the inside of casing, and be located between preceding otter board and the back otter board, when the fan head draws in on the base, the rear end of casing with the base contact.

Optionally, the front mesh plate is of a grid structure, the closed grid is rotatably connected to one side of the front mesh plate facing the inside of the housing, the shape of the closed grid is matched with that of the front mesh plate, and the closed grid is used for forming a closed space with the front mesh plate so as to prevent dust from entering the inside of the housing.

Optionally, the front net plate comprises a circular plate and a plurality of first long strips, the first long strips are connected to the periphery of the circular plate at intervals, and the interval area between any two adjacent first long strips forms the air outlet.

Optionally, this fan still includes knob and pivot, the knob connect in the tip of pivot, the pivot rotate connect in the circular slab, closed grid includes a plurality of second rectangular board, and is a plurality of the second rectangular board interval connect in the periphery of pivot, the shape of second rectangular board with the shape looks adaptation of air outlet, the second rectangular board be used for air outlet department forms closed plane.

Optionally, an annular groove is formed in the inner wall of the housing, and an end of the second strip plate is slidably connected to the annular groove.

Optionally, the cross sections of the first strip plate and the second strip plate in the direction close to the inner wall of the shell are gradually increased.

Optionally, beta structure includes bracing piece, first connecting portion and second connecting portion, first connecting portion set up in the rear end of casing, the second connecting portion set up in on the base, the one end of bracing piece articulate in the second connecting portion, the other end of bracing piece articulate in the second connecting portion.

Optionally, the fan further comprises a hook hinged to the base.

Optionally, the shape of the fan head is adapted to the shape of the base.

Drawings

Fig. 1 is a first schematic structural diagram of a fan according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of a fan according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a fan head according to an embodiment of the present invention;

fig. 4 is a partially enlarged view of the portion i in fig. 1.

Description of reference numerals:

1. a fan head; 11. a housing; 12. a front screen plate; 13. a rear screen plate; 2. a base; 3. a folded configuration; 31. a support bar; 32. a first connection portion; 33. a second connecting portion; 4. closing the grid; 5. a knob; 6. a cover plate; 7. and (4) hanging hooks.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be understood that the terms "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Also, in the drawings, the Z-axis indicates a vertical, i.e., up-down position, and a positive direction of the Z-axis (i.e., an arrow direction of the Z-axis) indicates up, and a negative direction of the Z-axis (i.e., a direction opposite to the positive direction of the Z-axis) indicates down.

It should also be noted that the foregoing Z-axis representation is meant only to facilitate the description of the invention and to simplify the description, and is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be considered limiting of the invention.

As shown in fig. 1-4, the fan of the embodiment of the present invention includes: fan head 1, base 2, beta structure 3 and closed grid 4, beta structure 3's one end articulates in base 2, beta structure 3's the other end articulates in fan head 1, fan head 1 is used for drawing in on base 2 through beta structure 3, fan head 1 includes preceding otter board 12, preceding otter board 12 is equipped with the air outlet, closed grid 4 rotates to be connected in preceding otter board 12, and the shape of closed grid 4 and the shape looks adaptation of air outlet, closed grid 4 is used for forming closed plane in air outlet department, inside from air outlet entering fan head 1 to prevent the dust.

In this embodiment, as shown in fig. 1-4, when the fan is in an operating state, the folding structure 3 is vertical (Z-axis direction in fig. 1) relative to the base 2, when the fan is not needed, the folding structure 3 rotates to a horizontal position, the fan head 1 can be folded on the base 2 through the folding structure 3, dust can enter the inside of the fan head 1 through the air outlet of the front screen 12, the closing grid 4 is rotatably connected to the front screen 12, and the shape of the closing grid 4 is adapted to the shape of the air outlet, when the fan is not needed, a closing plane can be formed at the air outlet by rotating the closing grid 4, so as to prevent the dust from entering the inside of the fan head 1 from the air outlet, and when the fan is needed, the closing grid 4 is rotated to coincide with the front screen 12, so as to avoid affecting the air outlet of the front screen. Compared with the prior art, the utility model, not only the fan is collapsible, but also can block that the dust gets into fan head 1 inside, avoid causing the fan trouble because of the dust, improved the life of fan.

In the above working process, the base 2 and the fan head 1 are both in a disc structure, and when the fan head 1 is folded on the base 2 through the folding structure 3, the base 2 and the fan head 1 can be spliced into a whole to limit the deflection of the fan head 1 relative to the base 2.

In other embodiments, the base 2 and the fan head 1 may also be in a square structure, which is not limited herein and depends on the actual situation.

Optionally, the fan head 1 includes a casing 11, a front mesh plate 12, a rear mesh plate 13, a fan blade and a motor, the front mesh plate 12 is connected to the front end of the casing 11, the rear mesh plate 13 is connected to the rear end of the casing 11, the fan blade and the motor are disposed inside the casing 11 and located between the front mesh plate 12 and the rear mesh plate 13, and when the fan head 1 is folded on the base 2, the rear end of the casing 11 contacts the base 2.

In this embodiment, combine fig. 1, fig. 3 and fig. 4 to show, casing 11 is the disc structure, casing 11 adopts fretwork to handle, can make fan head 1 let the space more active in the vision, preceding otter board 12 accessible bolted connection or joint are at the front end of casing 11, back otter board 13 accessible bolted connection or joint are at the rear end of casing 11, preceding otter board 12 can prevent that the flabellum from accidentally injuring the human body with back otter board 13, the motor is connected with the flabellum electricity, the motor is used for driving the flabellum rotation, be in non-working state when the fan, and the fan head draws in on base 2 through beta structure 3, make the rear end and the base 2 contact of casing 11, the dust can only get into inside casing 11 from the opening part of preceding otter board 12 this moment.

Optionally, the front screen 12 is in a grid structure, the closing grid 4 is rotatably connected to one side of the front screen 12 facing the inside of the housing 11, and the shape of the closing grid 4 is matched with the shape of the front screen 12, and the closing grid 4 is used for forming a closed space with the front screen 12 to prevent dust from entering the inside of the housing 11.

In this embodiment, as shown in fig. 1 and fig. 4, the front screen 12 and the closed grid 4 are the same, the front screen 12 and the closed grid 4 are formed by splicing a plurality of strip plates arranged at intervals, and the cross section of each strip plate gradually increases from the center to the periphery of the housing 11, when the fan is not needed, the ventilation space of the front screen 12 can be closed by the closed grid 4 to prevent dust from entering the inside of the housing 11, and when the fan is needed, the closed grid 4 is rotated to coincide with the front screen 12 to prevent the closed grid 4 from blocking the outlet air.

Optionally, the front net plate 12 comprises a circular plate and a plurality of first strip plates which are connected to the periphery of the circular plate at intervals, and the interval area between any two adjacent first strip plates forms the air outlet.

In this embodiment, referring to fig. 1, a plurality of first strip plates are arranged at intervals along the same circumference of the circular plate, and the distance between any two adjacent first strip plates is the same, and the interval area between any two first strip plates forms the air outlet.

Optionally, this fan still includes knob 5 and pivot, and knob 5 connects in the tip of pivot, and the pivot is rotated and is connected in the circular slab, and closed grid 4 includes a plurality of second rectangular boards, and a plurality of second rectangular boards interval are connected in the periphery of pivot, the shape of second rectangular board with the shape looks adaptation of air outlet, second rectangular board are used for forming closed plane in air outlet department.

In this embodiment, as shown in fig. 1, the knob 5 can be connected to the rotating shaft through a bolt, the rotating shaft can be connected to the middle of the circular plate through a bearing, a plurality of second strip plates of the closed grid 4 can be connected to the same circumference of the rotating shaft through a clamping connection or a glue connection, the second strip plates and the first strip plates are of the same structure, and the second strip plates are of the same shape as the air outlet, when the fan is needed, the closed grid 4 is rotated through the knob 5, the second strip plates are overlapped with the first strip plates, so that the air outlet of the air outlet is not affected, when the fan is not needed, the closed grid 4 is rotated through the knob 5, the second strip plates are overlapped with the air outlet, so that the second strip plates form a closed plane at the air outlet, and dust is prevented from entering the inside of the fan head 1. The knob 5 is provided with a wave-shaped structure which is used for guiding a user to use, and the wave-shaped structure is attractive. Moreover, a rotary damper can be arranged on the rotary shaft, namely the closed grid 4 cannot deflect due to blowing of wind power, so that the condition that the air outlet is blocked by the fan in the working process cannot occur.

In other embodiments, the knob 5 may also guide how the user uses the device through a text prompt or a rotation pattern, which is not limited herein and is determined according to the actual situation.

Optionally, the inner wall of the housing 11 is formed with an annular groove, and the end of the second strip is slidably connected to the annular groove.

In this embodiment, the second strips slide along the annular groove during rotation, so as to ensure that the closing grid 4 can completely close the air outlet.

Optionally, the folding structure 3 includes a support rod 31, a first connecting portion 32 and a second connecting portion 33, the first connecting portion 32 is disposed at the rear end of the housing 11, the second connecting portion 33 is disposed on the base 2, one end of the support rod 31 is hinged to the second connecting portion 33, and the other end of the support rod 31 is hinged to the first connecting portion 32.

In this embodiment, as shown in fig. 1 and fig. 3, the supporting rod 31 may be a shaft rod, the first connecting portion 32 and the second connecting portion 33 are hinge bases, one end of the supporting rod 31 may be hinged to the first connecting portion 32 by a pin, and the other end of the supporting rod 31 may be hinged to the second connecting portion 33 by a pin, where the second connecting portion 33 may limit the rotation of the supporting rod 31 between 0 ° and 90 °.

Optionally, a containing groove is formed in the base 2, and the containing groove is used for containing champignon.

In this embodiment, the storage tank of indent is seted up at the upper surface of base 2, and the shape of storage tank can be cylindricality or square isotructure, can hold solid champignon piece can.

Optionally, the fan further comprises a cover plate 6, the cover plate 6 is detachably connected to the accommodating groove, and the cover plate 6 is provided with air holes.

In this embodiment, combine that figure 1 shows, apron 6 can joint in the top of storage tank, and apron 6 can avoid solid champignon piece to expose by a large scale in the air, can reduce its volume of volatilizing, has seted up the bleeder vent moreover on the apron 6 for the gaseous discharge of champignon.

Optionally, the fan further comprises a hook 7, and the hook 7 is hinged to the base 2.

In this embodiment, referring to fig. 2, the hook 7 may be hinged to the bottom of the base 2 by a pin, and the fan may be adapted to different working occasions by the hook 7.

Optionally, the shape of the fan head 1 is adapted to the shape of the base 2.

In this embodiment, as shown in fig. 1, the base 2 and the fan head 1 may both be a circular disk structure, and the fan head 1 and the base 2 are designed to have the same size and shape, so that the base 2 and the fan head 1 may be spliced into a whole to limit the fan head 1 from deflecting relative to the base 2.

The terms "first" and "second" are used for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims

1. A fan, comprising: the fan head comprises a fan head (1), a base (2), a folding structure (3) and a closed grid (4), wherein one end of the folding structure (3) is hinged to the base (2), the other end of the folding structure (3) is hinged to the fan head (1), the fan head (1) is used for being folded on the base (2) through the folding structure (3), the fan head (1) comprises a front screen plate (12), the front screen plate (12) is provided with an air outlet, the closed grid (4) is rotatably connected to the front screen plate (12), the shape of the closed grid (4) is matched with that of the air outlet, and the closed grid (4) is used for forming a closed plane at the air outlet to prevent dust from entering the inside of the fan head (1).

2. The fan according to claim 1, wherein the fan head (1) further comprises a housing (11), a rear net plate (13), a fan blade and a motor, the front net plate (12) is connected to the front end of the housing (11), the rear net plate (13) is connected to the rear end of the housing (11), the fan blade and the motor are disposed inside the housing (11) and between the front net plate (12) and the rear net plate (13), and when the fan head (1) is folded on the base (2), the rear end of the housing (11) is in contact with the base (2).

3. The fan as claimed in claim 2, wherein the front screen (12) is a grid structure, the closed grid (4) is rotatably connected to a side of the front screen (12) facing the inside of the housing (11), and the shape of the closed grid (4) is adapted to the shape of the front screen (12).

4. The fan as claimed in claim 2, wherein the front grill (12) comprises a circular plate and a plurality of first strip plates connected to an outer circumference of the circular plate at intervals, and a spaced area between any adjacent two of the first strip plates constitutes the outlet.

5. The fan as claimed in claim 4, further comprising a knob (5) and a rotating shaft, wherein the knob (5) is connected to an end of the rotating shaft, the rotating shaft is rotatably connected to the circular plate, the closing grid (4) comprises a plurality of second strip plates which are connected to an outer circumference of the rotating shaft at intervals, and the shape of the second strip plates is adapted to the shape of the air outlet, and the second strip plates are used for forming a closed plane at the air outlet.

6. The fan according to claim 5, characterized in that the inner wall of the casing (11) is provided with an annular groove, to which the end of the second elongated strip is slidingly coupled.

7. The fan as claimed in claim 5, wherein the first and second strips are gradually increased in cross section in a direction approaching the inner wall of the housing (11).

8. The fan according to claim 2, characterized in that the folding structure (3) comprises a support bar (31), a first connecting portion (32) and a second connecting portion (33), the first connecting portion (32) is arranged at the rear end of the housing (11), the second connecting portion (33) is arranged on the base (2), one end of the support bar (31) is hinged to the second connecting portion (33), and the other end of the support bar (31) is hinged to the first connecting portion (32).

9. The fan according to claim 1, characterized in that it further comprises a hook (7), said hook (7) being hinged to said base (2).

10. The fan according to claim 1, characterized in that the shape of the fan head (1) is adapted to the shape of the base (2).