WO2022061575A1

WO2022061575A1 - Fan protective cover capable of being quickly fixed

Info

Publication number: WO2022061575A1
Application number: PCT/CN2020/117080
Authority: WO
Inventors: 林兰花
Original assignee: 南京中弘华飞信息科技有限公司
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2022-03-31

Abstract

A fan protective cover capable of being quickly fixed, comprising a base. The outer side of the base is provided with a mesh cover; an end portion of the base is provided with a fixing clamping plate; the interior of the fixed clamping plate is provided with a rectangular groove; the rectangular groove penetrates through the fixed clamping plate; the interior of the rectangular groove is provided with a fixing device; the fixing device comprises a threaded post, a rotating shaft, a gear, and a knob; the outer side of the fixed clamping plate is provided with a movable clamping plate; and the movable clamping plate is fixed at a bottom end of the fixing device. By providing the fixed clamping plate, the fixing device, and the movable clamping plate, the problem that existing fan protective covers are fixed in a single way, need to be mounted and disassembled by using tools, and cannot be quickly fixed and mounted is solved. By providing a partition plate and a protective device, the problem that an opening of the fan protective cover is always exposed when the fan protective cover is not in use and consequently impurities such as dust can easily enter the interior of a fan is solved.

Description

A fast-fixing fan guard

technical field

The utility model belongs to the technical field of shields, in particular to a shield for a fan that can be quickly fixed.

Background technique

Fan cover, also known as fan mesh cover, fan protective cover, is used for the protection of heat dissipation, exhaust and ventilation of air conditioners, motors, exhaust fans, radiators, fans, generators, diesel engines and other parts.

The existing fan guards have a single fixing method, which requires tools to be installed and disassembled, and cannot be quickly fixed and installed. When the fan guards are not in use, their openings are always exposed, and impurities such as dust can easily enter the interior of the fan. Therefore, we propose a fan guard that can be quickly fixed.

Utility model content

The purpose of the present invention is to provide a fan guard that can be quickly fixed, so as to solve the problem that the existing fan guard proposed in the above-mentioned background technology has a single fixing method, needs to be installed and disassembled with tools, cannot be quickly fixed and installed, and When the fan guard is not in use, its opening is always exposed, and impurities such as dust are very easy to enter the interior of the fan.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fast-fixable fan guard, comprising a base, a net cover is arranged on the outer side of the base, and a fixed splint is arranged at the end of the base, and the The interior of the fixed splint is provided with a rectangular groove, the rectangular groove penetrates the fixed splint, and the interior of the rectangular groove is provided with a fixing device, the fixing device includes a threaded column, a rotating shaft, a gear and a knob, and the outer side of the fixed splint is A moving splint is provided, and the moving splint is fixed on the bottom end of the fixing device.

Preferably, the front face of the mesh cover is provided with holes, the holes penetrate through the mesh cover, and partitions are arranged inside the holes, and the partitions are arranged at an equal distance on the outside of the mesh cover, and the partitions A protective device is arranged between the plates, and the protective device includes a limit baffle, a rubber band and a protective plate.

Preferably, the protective plate is fixed on the inner wall of the partition, the protective plate can be rotated with the fixed point as the center of the circle, and the protective plate covers the opening between the partitions.

Preferably, the limit baffle is installed on the inner side of the protective plate, the limit baffle is fixed on the inner wall of the partition plate, and the rubber band is installed on the limit baffle and the protective plate In between, one end of the rubber band is fixed on the outer wall of the limiting baffle, and the other end of the rubber band is fixed on the inner side of the protective plate.

Preferably, the rotating shaft is fixed on the inner wall of the rectangular groove, the knob is fixed on the end of the rotating shaft, the knob penetrates the outer wall of the fixed splint, and the knob is installed on the outer side of the fixed splint.

Preferably, the gear is fixed on the outer side of the rotating shaft, the threaded column is fixed on the outer side of the gear, the threaded part of the threaded column is engaged with the serrated part of the gear, and the moving splint is fixed on the outer side of the gear. the bottom end of the threaded post.

Compared with the prior art, the beneficial effects of the present utility model are:

1. By setting the fixed splint, the fixing device and the movable splint, the problem that the existing fan guard is fixed in a single way, needs to be installed and disassembled with tools, and cannot be quickly fixed and installed.

2. By setting up partitions and protective devices, it solves the problem that when the fan guard is not in use, its opening is always exposed, and dust and other impurities are very easy to enter the interior of the fan.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic structural diagram of the fixing device of the present invention;

Fig. 3 is the net cover structure schematic diagram of the present utility model;

4 is a schematic structural diagram of a protective device of the present invention;

In the figure: 1. Fixing device; 2. Fixed splint; 3. Base; 4. Moving splint; 5. Net cover; 6. Threaded column; 7. Rotating shaft; 8. Rectangular groove; 9. Gear; 10. Knob; 11 , partition; 12, protective device; 13, limit baffle; 14, rubber band; 15, protective plate.

detailed description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

Please refer to FIGS. 1-4, the present utility model provides a technical solution for a fan shield that can be quickly fixed: a fan shield that can be quickly fixed, including a base 3, a mesh cover 5 is arranged on the outer side of the base 3, and the base The end of the 3 is provided with a fixed splint 2, the interior of the fixed splint 2 is provided with a rectangular groove 8, the rectangular groove 8 runs through the fixed splint 2, and the interior of the rectangular groove 8 is provided with a fixing device 1, and the fixing device 1 includes a threaded column 6 and a rotating shaft 7 , a gear 9 and a knob 10 , a movable splint 4 is arranged on the outer side of the fixed splint 2 , and the movable splint 4 is fixed on the bottom end of the fixing device 1 .

In order to control the switch of the fixing device 1, in this embodiment, preferably, the rotating shaft 7 is fixed on the inner wall of the rectangular groove 8, the knob 10 is fixed on the end of the rotating shaft 7, the knob 10 penetrates the outer wall of the fixed splint 2, and the knob 10 is installed on the fixed Outside of splint 2.

In order to facilitate the use of the fixing device 1 , in this embodiment, preferably, the gear 9 is fixed on the outer side of the rotating shaft 7 , the threaded post 6 is fixed on the outer side of the gear 9 , and the threaded portion of the threaded post 6 is engaged with the serrated portion of the gear 9 .

In order to control the movement of the moving splint 4 , in this embodiment, preferably, the threaded post 6 penetrates the rectangular slot 8 , and the moving splint 4 is fixed on the bottom end of the threaded post 6 .

Example 2

In order for the mesh cover 5 to have a protective function, in this embodiment, preferably, the front of the mesh cover 5 is provided with a hole, the hole penetrates the mesh cover 5, and the interior of the hole is provided with a partition 11, and the partitions 11 are equally spaced on the mesh cover 5. On the outer side, a protective device 12 is arranged between the partitions 11 , and the protective device 12 includes a limit baffle 13 , a rubber band 14 and a protective plate 15 .

In order not to affect the normal use of the net cover 5, in this embodiment, preferably, the protective plate 15 is fixed on the inner wall of the partition plate 11, the protective plate 15 can rotate around the fixed point, and the protective plate 15 covers the part of the partition plate 11. opening between.

In order to enable the protective device 12 to be recycled, in this embodiment, preferably, the limit baffle 13 is installed on the inner side of the protective plate 15 , the limit baffle 13 is fixed on the inner wall of the partition plate 11 , and the rubber band 14 is installed on the limit baffle Between the plate 13 and the protective plate 15 , one end of the rubber band 14 is fixed on the outer wall of the limiting baffle 13 , and the other end of the rubber band 14 is fixed on the inner side of the protective plate 15 .

The working principle and use process of the present utility model: as described in Embodiment 1, after the installation of the device is completed, the knob 10 on the outer side of the fixed splint 2 is rotated, and the knob 10 drives the gear 9 to rotate through the rotating shaft 7, and the gear 9 and the threaded column 6 interact with each other. Engagement, the rotation of the gear 9 drives the threaded column 6 to move, the movement of the threaded column 6 drives the moving splint 4 fixed at the bottom end to move, the moving splint 4 moves and the fixed splint 2 is engaged with the air outlet of the fan, so that the fan is fixed with a protective cover. the outside of the fan;

In Embodiment 2, after the fan is started, the protective plate 15 of the protective device 12 rotates and tilts outward under the action of the wind force, and the protective plate 15 no longer covers the opening between the partition plates 11, so that the wind can be output normally outwards, After the fan is turned off, the protective plate 15 is restored to its original position under the action of the rubber band 14, and the limit baffle 13 is fixed on the inner side of the protective plate 15. The opening between the two continues to protect the fan.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

A rapidly fixable protective cover for a fan, comprising a base (3), characterized in that: a net cover (5) is provided on the outer side of the base (3), and a fixed splint is provided at the end of the base (3) (2), a rectangular slot (8) is provided inside the fixed splint (2), the rectangular slot (8) penetrates the fixed splint (2), and a fixing device is arranged inside the rectangular slot (8) (1), the fixing device (1) includes a threaded column (6), a rotating shaft (7), a gear (9) and a knob (10), and a movable splint (4) is provided on the outer side of the fixed splint (2), The moving splint (4) is fixed on the bottom end of the fixing device (1).
The quickly fixable fan shield according to claim 1, characterized in that: the front face of the mesh cover (5) is provided with holes, the holes penetrate through the mesh cover (5), and the holes A partition (11) is arranged inside the hood, the partitions (11) are equidistantly arranged on the outside of the mesh cover (5), and a protective device (12) is arranged between the partitions (11). The protective device (12) includes a limit baffle plate (13), a rubber band (14) and a protective plate (15).
A fast-fixable fan guard according to claim 2, characterized in that: the protective plate (15) is fixed on the inner wall of the partition plate (11), and the protective plate (15) can be The fixed point is the center of the circle for rotation, and the protective plate (15) covers the opening between the partition plates (11).
The quickly fixable fan shield according to claim 2, characterized in that: the limit baffle (13) is installed on the inner side of the protection plate (15), and the limit baffle ( 13) Fixed on the inner wall of the partition plate (11), the rubber band (14) is installed between the limit baffle (13) and the protective plate (15), and the rubber band (14) One end of the rubber band (14) is fixed on the outer wall of the limiting baffle plate (13), and the other end of the rubber band (14) is fixed on the inner side of the protective plate (15).
A rapidly fixable fan shield according to claim 1, characterized in that: the rotating shaft (7) is fixed on the inner wall of the rectangular groove (8), and the knob (10) is fixed on the inner wall of the rectangular groove (8). At the end of the rotating shaft (7), the knob (10) penetrates the outer wall of the fixed splint (2), and the knob (10) is installed on the outer side of the fixed splint (2).
The quickly fixable fan shield according to claim 1, characterized in that: the gear (9) is fixed on the outer side of the rotating shaft (7), and the threaded post (6) is fixed on the On the outer side of the gear (9), the threaded part of the threaded post (6) is engaged with the serrated part of the gear (9), and the moving splint (4) is fixed on the bottom end of the threaded post (6).