CN214404062U

CN214404062U - Novel roof fan

Info

Publication number: CN214404062U
Application number: CN202120322508.9U
Authority: CN
Inventors: 赵一帆
Original assignee: Zhejiang Jingchuang Fan Co ltd
Current assignee: Zhejiang Jingchuang Fan Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-15
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a novel roof fan relates to ventilation equipment, when aiming at solving and overhauing, the very inconvenient problem of crown and casing separation, and its technical scheme main points are: the novel multifunctional computer case comprises a case, wherein a first cap top is detachably connected to the case, a second cap top is fixedly connected to the case, the first cap top and the second cap top are detachably connected to seal the case, a cambered surface is arranged on the second cap top, the edge of the first cap top, which is close to the second cap top, extends downwards to form an extension plate which is inconsistent with the cambered surface, a plurality of fixing blocks are fixedly connected to the side wall of the case, a containing cavity is formed in the top surface of each fixing block, and a plurality of support columns which are embedded into the containing cavity are fixedly connected to the inside of the first cap top. The utility model discloses a separation of crown one and crown two, the rebound crown one for the support column rebound then breaks away from the appearance chamber, and separation support column and fixed block, and then tear out the crown convenience and overhaul inside.

Description

Novel roof fan

Technical Field

The utility model relates to a ventilation equipment, more specifically say, it relates to a novel roof fan.

Background

The roof fan is installed on the roof to exhaust air.

The existing roof fan comprises a cap top and a casing, a fan is installed in the casing, the upper end of the casing is cylindrical, a flange is fixedly connected to the opening of the cylindrical part of the casing, a plurality of stand columns are fixedly connected to the cap top, and the stand columns are in threaded connection with the flange.

The existing roof fan needs to be periodically overhauled, a circle of bolts on the cap top and the shell need to be detached together during overhauling, and then the cap top and the shell are separated, so that the roof fan is inconvenient.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a novel roof fan makes things convenient for the maintenance of roof fan.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a novel roof fan, includes the casing, can dismantle on the casing and be connected with crown one, casing fixedly connected with crown two, crown one can be dismantled with crown two and connect and be used for sealing the casing, be equipped with the cambered surface on the crown two, the border downwardly extending that crown one is close to crown two forms the extension board inconsistent with the cambered surface, a plurality of fixed blocks of fixedly connected with on the lateral wall of casing, the appearance chamber has been seted up to the top surface of fixed block, the support column of intracavity is held in a plurality of insertedings of fixedly connected with in the crown one.

Through adopting above-mentioned technical scheme, when dismantling the roof fan, with the separation of crown one and crown two, then the rebound crown one, make the support column rebound then break away from and hold the chamber, thereby separation support column and fixed block, and then tear out the crown convenient maintenance to inside, then with the holding intracavity on the support column embedding fixed block, and extension board and cambered surface are inconsistent, thereby fixed crown one, accomplish the installation of roof fan, and the rainwater down flows to the cambered surface from the extension board, then follow the cambered surface and slide down, thereby improve the rain-proof ability between crown one and the crown two.

The utility model discloses further set up to: a plurality of supporting legs are fixedly connected in the first hat top and abut against the shell.

Through adopting above-mentioned technical scheme, the supporting legs is inconsistent with the casing to reach the supporting role together to the crown, make the crown more firm.

The utility model discloses further set up to: and a vertically arranged abutting plate is fixedly connected in the cap top, and the abutting plate abuts against the edge of the cambered surface.

By adopting the technical scheme, the abutting plate is abutted against the edge of the cambered surface, so that the first hat top is fixed in a pre-positioning manner, and the first hat top is convenient to mount.

The utility model discloses further set up to: the cambered surface is fixedly connected with a plurality of connecting blocks, and the connecting blocks are in threaded connection with screws penetrating through the extension plate.

Through adopting above-mentioned technical scheme, the head extrusion extension board of screw and connecting block threaded connection, connecting block and cambered surface fixed connection and screw to fixed cambered surface and extension board improve the joint strength between cambered surface and the extension board.

The utility model discloses further set up to: and the supporting column is in threaded connection with a bolt penetrating through the side wall of the fixing block to the accommodating cavity.

Through adopting above-mentioned technical scheme, receive the restriction of bolt when support column and fixed block relative movement to improve the joint strength between support column and the fixed block.

The utility model discloses further set up to: the top surface of fixed block is seted up and is the guide way of falling four prismatic table form, the tip and the appearance chamber intercommunication of guide way.

By adopting the technical scheme, the area of the top surface of the guide groove is larger than the area of the cross section of the accommodating cavity, so that the supporting column is conveniently embedded into the accommodating cavity, and the supporting column is embedded into the accommodating cavity to play a role in guiding.

The utility model discloses further set up to: the extension board is connected with an adhesive tape which is abutted against the cambered surface.

Through adopting above-mentioned technical scheme, it is inconsistent with the cambered surface through the adhesive tape, improves the leakproofness between extension board and the cambered surface, improves the ability of preventing wind of crown one and crown two junction.

The utility model discloses further set up to: the cross section of the rubber strip is concave, and the extension plate is embedded into the concave part of the rubber strip and is abutted against the inner wall of the concave part of the rubber strip.

Through adopting above-mentioned technical scheme, when extension board and adhesive tape separated, produced frictional force between the concave part of extension board and adhesive tape, restriction extension board and adhesive tape separation improve the joint strength of adhesive tape and extension board.

To sum up, the utility model discloses following beneficial effect has: when dismantling the roof fan, with the separation of crown one and crown two, then the rebound crown one, make the support column rebound then break away from and hold the chamber, and separation support column and fixed block, and then tear out the crown one and just overhaul inside, then with the holding intracavity on the support column embedding fixed block, and the extension board is inconsistent with the cambered surface, thereby fixed crown one, accomplish the installation of roof fan, and the rainwater down flows to the cambered surface from the extension board, then slide along the cambered surface, thereby improve the rain-proof ability between crown one and the crown two.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged schematic view of a portion B in fig. 2.

In the figure: 1. a housing; 2. a first crown; 3. a second crown; 4. a cambered surface; 5. a stretching plate; 6. a fixed block; 7. a cavity; 8. a support pillar; 9. supporting legs; 10. a resisting plate; 11. connecting blocks; 12. a screw; 13. a bolt; 14. a guide groove; 15. and (4) an adhesive tape.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides a novel roof fan, as shown in figure 1, figure 2 and figure 4 are shown, including casing 1, can dismantle on the casing 1 and be connected with crown one 2, casing 1 welding has crown two 3, the area of crown one 2 is greater than crown two 3, cambered surface 4 has been seted up to the top surface of crown two 3, cambered surface 4's arc convex surface sets up to casing 1 dorsad, the border downwardly extending that crown one 2 is close to crown two 3 forms extension board 5 inconsistent with cambered surface 4, crown one 2 and crown two 3 can be dismantled and be connected and be used for sealing casing 1, the welding has a plurality of connecting blocks 11 on cambered surface 4's the arc convex surface, connecting block 11 threaded connection has the screw 12 that runs through extension board 5, extension board 5 joint has the adhesive tape 15 inconsistent with cambered surface 4, the cross-section of adhesive tape 15 is the spill, extension board 5 embedding adhesive tape 15's concave part just offsets with the inner wall of adhesive tape 15 concave part.

As shown in fig. 1, 2 and 3, a plurality of fixed blocks 6 on the same horizontal plane are welded on the side wall of the case 1 below the first cap top 2, the top surface of each fixed block 6 is provided with an accommodating cavity 7, the top surface of each fixed block 6 is provided with a guide groove 14 in the shape of an inverted quadrangular frustum pyramid, the small end of each guide groove 14 is communicated with the accommodating cavity 7, a plurality of support columns 8 which are vertically arranged and embedded in the accommodating cavities 7 are welded in the first cap top 2, and the support columns 8 are in threaded connection with bolts 13 which penetrate through the side wall of the fixed blocks 6 to the accommodating cavities 7.

As shown in fig. 2, a plurality of vertically arranged supporting legs 9 are welded in the first hat top 2, and the bottom ends of the supporting legs 9 are abutted against the edge of the opening of the casing 1.

As shown in fig. 4, a resisting plate 10 vertically arranged towards the case 1 is welded in the first cap top 2, and the resisting plate 10 is contacted with the edge of the arc surface 4.

The working process is as follows: when dismantling roof fan, screw 12 is unscrewed for screw 12 separates with connecting block 11, thereby separates crown 2 and crown two 3, then unscrews bolt 13, takes out the bolt 13 between support column 8 and the fixed block 6, then upwards moves crown 2, makes support column 8 upwards move then break away from and hold the chamber 7, thereby separates support column 8 and fixed block 6, and then dismantles crown 2 and conveniently overhauls inside.

When the first crown 2 is installed, the first crown 2 moves towards the second crown 3, the abutting plate 10 abuts against the edge of the cambered surface 4, so that the pre-positioning effect is achieved on the fixation of the first crown 2, the installation of the first crown 2 is facilitated, then the first crown 2 is moved, the support columns 8 are driven to move to align the support columns 8 with the fixed block 6, the support columns 8 are embedded into the guide grooves 14, the top surface area of the guide grooves 14 is larger than the cross-sectional area of the accommodating cavities 7, the support columns 8 are conveniently embedded into the accommodating cavities 7, the guide effect is achieved on the support columns 8 embedded into the accommodating cavities 7, then the bolts 13 are screwed in, the support columns 8 and the fixed block 6 are limited by the bolts 13 when moving relatively, so that the connection strength between the support columns 8 and the fixed block 6 is improved, meanwhile, the support legs 9 abut against the machine shell 1, the first crown 2 is supported, the first crown 2 is firmer, and the time delay expansion plate 5 abuts against the cambered surface 4 through the rubber strips 15, the rainwater is from extending 5 down flow to cambered surface 4 on, then it is gliding down along cambered surface 4, thereby improve the rain-proof ability between crown one 2 and the crown two 3, and it is inconsistent with cambered surface 4 through adhesive tape 15, improve the leakproofness between extending 5 and the cambered surface 4, improve the ability to prevent wind of crown one 2 and the crown two 3 junction, then twist screw 12, screw 12 and connecting block 11 threaded connection, connecting

block

11 and 4 fixed connection of cambered surface and screw 12's head extrusion extension board 5, thereby fixed cambered surface 4 and extension board 5, improve the joint strength between cambered surface 4 and the extension board 5, conveniently fix crown one 2 and crown two 3, accomplish the installation of roof fan.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A novel roof fan which is characterized in that: including casing (1), can dismantle on casing (1) and be connected with crown one (2), casing (1) fixedly connected with crown two (3), crown one (2) and crown two (3) can be dismantled and be connected and be used for sealing casing (1), be equipped with cambered surface (4) on the crown two (3), the border that crown one (2) is close to crown two (3) extends downwards and forms extension board (5) inconsistent with cambered surface (4), a plurality of fixed block of fixedly connected with (6) on the lateral wall of casing (1), the top surface of fixed block (6) has been seted up and has been held chamber (7), a plurality of support column (8) that the chamber (7) were held in the embedding of fixedly connected with in crown one (2).

2. The novel roof fan of claim 1, characterized in that: a plurality of supporting legs (9) are fixedly connected in the first crown (2), and the supporting legs (9) are abutted to the casing (1).

3. The novel roof fan of claim 1, characterized in that: a vertically arranged abutting plate (10) is fixedly connected in the first crown (2), and the abutting plate (10) abuts against the edge of the cambered surface (4).

4. The novel roof fan of claim 1, characterized in that: a plurality of connecting blocks (11) are fixedly connected to the arc surface (4), and the connecting blocks (11) are in threaded connection with screws (12) penetrating through the extension plate (5).

5. The novel roof fan of claim 1, characterized in that: and the supporting column (8) is in threaded connection with a bolt (13) penetrating through the side wall of the fixing block (6) to the accommodating cavity (7).

6. The novel roof fan of claim 1, characterized in that: the top surface of the fixed block (6) is provided with a guide groove (14) in an inverted quadrangular frustum pyramid shape, and the small end of the guide groove (14) is communicated with the accommodating cavity (7).

7. The novel roof fan of claim 2, characterized in that: the extension plate (5) is connected with an adhesive tape (15) which is inconsistent with the cambered surface (4) in a clamping manner.

8. The novel roof fan of claim 7, characterized in that: the cross section of the rubber strip (15) is concave, and the extension plate (5) is embedded into the concave part of the rubber strip (15) and is abutted against the inner wall of the concave part of the rubber strip (15).