CN209761830U - Special roof fan of system of discharging fume is prevented to building - Google Patents
Special roof fan of system of discharging fume is prevented to building Download PDFInfo
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- CN209761830U CN209761830U CN201920469798.2U CN201920469798U CN209761830U CN 209761830 U CN209761830 U CN 209761830U CN 201920469798 U CN201920469798 U CN 201920469798U CN 209761830 U CN209761830 U CN 209761830U
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Abstract
The utility model discloses a special roof fan for building smoke prevention and exhaust system, which comprises a metal shell and a metal base, wherein the metal shell is fixedly arranged at the middle position of the upper end of the metal base, the periphery of the metal shell is provided with fixing screws on the metal base, and the rotary block is more convenient to open and more compact to fix through an overhauling rotary plate consisting of finger grooves, rotary blocks, sealing rubber pads, fixing screws and metal insertion blocks, the rotary blocks are opened by pulling down and forcibly, the rotary blocks are opened more conveniently, the fixing is more convenient through the insertion of the metal insertion blocks, the sealing rubber pads are arranged at the outer sides of the metal insertion blocks, thereby playing a good sealing role, the sealing and fixing are more compact, so that the use is more convenient.
Description
Technical Field
The utility model belongs to the technical field of relevant roof fan, concretely relates to special roof fan of system of discharging fume is prevented to building.
Background
The roof fan is installed on the roof for air exhaust and air exchange, and the special use material and structure of the fan are determined due to the particularity of the installation and use environment. The roof fan is provided with a device for preventing air from flowing backwards after being shut down, because the fan rotates at a high speed under the action of hot pressing, the wind speed in the wind cylinder is greatly increased, the reverse rotation of the fan is very unfavorable for the starting of the motor, and the damage is possibly caused by overlarge starting current. The roof fan should have reliable rain-proof, snow-flying-proof and sand-wind-proof performances when being designed, and the wind-snow and the wind-sand are not like rain water because the wind-snow and the wind-sand can not only enter the fan from the upper part, but also can enter the fan from the lower part when the outdoor wind speed reaches a certain intensity.
The existing roof fan technology has the following problems: the existing roof fan is not very convenient when the access door panel is opened for maintenance, a fine auxiliary device is not available for opening, the fixed access door panel is not very tight in sealing, so that gaps are easily generated at the joint, and the problem that the roof fan is not very convenient when the roof fan is used is solved.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a special roof fan of system of discharging fume is prevented to building to the current roof fan that proposes in solving above-mentioned background art is not very convenient when opening access door panel and overhauls, does not have fine auxiliary device help to open, and fixed access door panel seals not very inseparable problem.
In order to achieve the above object, the utility model provides a following technical scheme:
A roof fan special for a building smoke prevention and exhaust system comprises a metal shell and a metal base, wherein the metal shell is fixedly arranged at the middle position of the upper end of the metal base, fixing screws are arranged on the metal base at the periphery of the metal shell, an overhaul rotating plate is arranged in the middle of the front end of the metal shell, a power connector is arranged on the metal shell at the left side of the overhaul rotating plate, a metal support frame is arranged in the metal shell, a rotating fan is arranged in the metal shell at the middle of the metal support frame, fan blades are arranged at the lower end of the rotating fan, the rotating fan is electrically connected with the power connector, a metal upper ring is arranged at the upper end of the metal shell, an anti-bird grid is arranged in the middle of the metal upper ring, a fixing threaded bolt is arranged on the metal upper ring at the outer side of the anti, the middle of the fixed threaded bolt is provided with a metal hood, the upper end of the metal hood is provided with a hood arc-shaped cover, and the power supply connector is electrically connected with an external power supply.
Preferably, overhaul the rotor plate and include finger recess, rotation square, sealed cushion, fixed screw and metal inserted block, the upper end top of rotating the square is provided with the finger recess, be provided with the metal inserted block in the middle of the lower extreme of rotating the square, outside a week of metal inserted block is provided with sealed cushion, be provided with fixed screw on the rotation square of being located all around of sealed cushion, it connects on metal casing to rotate the square.
Preferably, the fixed thread bolt comprises a metal lifting ring, a thread connecting column, a first nut and a second nut, the thread connecting column is arranged at the lower end of the metal lifting ring, the first nut is arranged at the lower end of the thread connecting column, and the second nut is arranged below the first nut and located on the thread connecting column.
preferably, the fan blade comprises an inner shaft column, an outer ring and fan blades, the inner shaft column is arranged in the middle of the lower end of the outer ring, the fan blades are arranged on the outer side of the outer ring, and the inner shaft column is connected to the rotary fan.
Preferably, the metal base is square, and a safety net and a flap damper are arranged in the middle of the inside of the metal base.
Preferably, the metal shell and the metal base are fixedly connected by welding, and the interior of the metal shell is hollow.
Preferably, the number of the fixed threaded bolts is four, and the fixed threaded bolts are all fixed on the metal upper ring in parallel.
Preferably, the size of the outer side of the bird-proof grid is equal to the size of the inner side of the metal upper ring, and the bird-proof grid and the outer side of the metal upper ring are in the same straight line.
Compared with the prior art, the utility model provides a special roof fan of system of discharging fume is prevented to building possesses following beneficial effect:
The special roof fan for the building smoke-proof and smoke-discharging system of the utility model is more convenient to open through the maintenance rotating plate consisting of the finger groove, the rotating square block, the sealing rubber pad, the fixing screw and the metal inserting block, the maintenance rotating plate is connected to the metal shell through rotating shaft columns at two ends below the rotating square blocks, thereby being capable of well performing opening and closing rotation, and when the folding chair is opened, by loosening the fixing screws at the four corners, thereby, when the handle is placed in the finger groove, the rotating square block is pulled down and opened with force, the opening is more convenient, when in fixation, the metal insertion block is inserted to facilitate the fixation, and the outer side of the metal insertion block is provided with a sealing rubber gasket, the sealing device has good sealing effect, so that the sealing and fixing are more tight, and the use is more convenient.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic structural view of a roof fan dedicated for a building smoke prevention and exhaust system provided by the present invention;
FIG. 2 is a schematic view of the structure of the maintenance rotating plate provided by the present invention;
Fig. 3 is a schematic view of a fixing threaded bolt according to the present invention;
Fig. 4 is a schematic structural view of a fan blade according to the present invention;
In the figure: 1. fixing the threaded bolt; 101. a metal hanging ring; 102. a threaded connection post; 103. a first nut; 104. a second nut; 2. a metal hood; 3. an anti-bird grid; 4. a metal upper ring; 5. a metal housing; 6. overhauling the rotating plate; 61. a finger groove; 62. rotating the square block; 63. sealing the rubber gasket; 64. fixing screws; 65. a metal insert; 7. a power supply connector; 8. a metal base; 9. an arc-shaped hood; 10. a metal support frame; 11. rotating the fan; 12. fan blades; 121. an inner spindle post; 122. an outer ring; 123. a fan blade; 13. and fixing the screw.
Detailed Description
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
A roof fan special for a building smoke prevention and exhaust system comprises a metal shell 5 and a metal base 8, wherein the metal shell 5 is fixedly installed at the middle position of the upper end of the metal base 8, fixing screws 13 are arranged on the metal base 8 at the periphery of the metal shell 5, an overhaul rotating plate 6 is arranged in the middle of the front end of the metal shell 5, a power connector 7 is arranged on the metal shell 5 at the left side of the overhaul rotating plate 6, a metal support frame 10 is arranged in the metal shell 5, a rotating fan 11 is arranged in the metal shell 5 at the middle of the metal support frame 10, fan blades 12 are arranged at the lower end of the rotating fan 11, the rotating fan 11 is electrically connected with the power connector 7, a metal upper ring 4 is arranged at the upper end of the metal shell 5, a bird prevention grid 3 is arranged in the middle of the metal upper ring 4, a fixing threaded bolt 1 is arranged on the metal, the middle of the fixed threaded bolt 1 is provided with a metal hood 2, the upper end of the metal hood 2 is provided with a hood arc-shaped cover 9, and the power connector 7 is electrically connected with an external power supply.
Further, the overhaul rotating plate 6 comprises a finger groove 61, a rotating square 62, a sealing rubber pad 63, a fixing screw 64 and a metal insert block 65, the finger groove 61 is arranged above the upper end of the rotating square 62, the metal insert block 65 is arranged in the middle of the lower end of the rotating square 62, the sealing rubber pad 63 is arranged on the periphery of the outer side of the metal insert block 65, the fixing screw 64 is arranged on the rotating square 62 on the periphery of the sealing rubber pad 63, the rotating square 62 is connected to the metal shell 5, the overhaul rotating plate 6 is connected to the metal shell 5 through rotating shaft columns at two ends below the rotating square 62, so that the overhaul rotating plate can be rotated well, when the overhaul rotating plate is opened, the handle is placed in the finger groove 61 through loosening the fixing screws 64 at four corners and then pulled downwards forcibly, so that the overhaul rotating plate is opened more conveniently, and when the overhaul rotating plate is fixed, the fixing is more conveniently through the insertion of the metal insert block 65, and the outside of metal inserted block 65 is provided with sealed cushion 63 to play fine sealed effect, make sealed fixed inseparabler like this, make more convenient when using.
further, fixed thread bolt 1 includes metal rings 101, screw thread connecting post 102, first nut 103 and second nut 104, the lower extreme of metal rings 101 is provided with screw thread connecting post 102, the lower extreme of screw thread connecting post 102 is provided with first nut 103, the below of first nut 103 is provided with second nut 104 on screw thread connecting post 102, fixed thread bolt 1 passes through the metal rings 101 of screw thread connecting post 102 upper end, thereby the handling that carries on that can be fine removes, and when fixed, screw thread connecting post 102 presss from both sides fixedly through first nut 103 and second nut 104 mutually, make convenient more firm in the time of fixed regulation.
Further, fan blade 12 includes inside jack-post 121, outside ring 122 and flabellum blade 123, be provided with inside jack-post 121 in the middle of the lower extreme of outside ring 122, the outside of outside ring 122 is provided with flabellum blade 123, inside jack-post 121 is connected on rotating fan 11, the inside jack-post 121 of fan blade 12 is connected on rotating fan 11, thereby through the rotation that rotates fan 11, thereby drive outside ring 122 that can be fine rotates with flabellum blade 123, make more convenient when using.
Further, metal base 8 is the square, and is provided with safety net and loose leaf air door in the middle of metal base 8's the inside to it is more stable when placing, and is provided with safety net and loose leaf air door in the middle of metal base 8's the inside, thereby can effectually avoid the return air when the parking is used.
further, metal casing 5 and metal base 8 are through welded fastening's mode fixed connection, and metal casing 5's inside becomes the hollow state, and is fixed through the welded like this for fixed connection is more firm, and metal casing 5's inside becomes the hollow state, thereby deposit the object that can be fine.
further, the fixed thread bolt 1 is provided with four altogether, and the equal parallel fixation of fixed thread bolt 1 is on metal is fitted with a contraceptive ring 4, makes fixed more convenient like this for it is more stable when using.
Further, the size of the outer side of the bird prevention grid 3 is equal to the size of the inner side of the metal upper ring 4, the outer sides of the bird prevention grid 3 and the metal upper ring 4 are positioned on the same straight line, so that the bird prevention grid is more convenient to mount, and the outer sides of the bird prevention grid 3 and the metal upper ring 4 are positioned on the same straight line, so that the bird prevention grid can not be obstructed when being used.
The utility model discloses a theory of operation and use flow: the utility model discloses install the back, just can install the special roof fan of building smoke protection and exhaust system on the roof assigned position. During installation, the level of a roof installation area is kept, and the special roof fan for the building smoke prevention and exhaust system is fixed through four fixing screws 13 on the metal base 8, so that the fixed installation is more convenient. And a safety net and a flap air door are arranged in the middle of the inside of the metal base 8, so that return air can be effectively avoided when the metal base is not used. After the installation, the power supply connector 7 is connected to the power supply of the external control device, and the control operation is performed. When the air circulation device is used, the external switch is turned on, so that the rotating fan 11 on the metal support frame 10 in the metal shell 5 rotates, the rotating fan 11 with the model of HF-200P drives the fan blades 12 to rotate, and air circulation is achieved through rotation of the fan blades 12. When placing, the metal hood 2 fixed through the fixed screw bolt 1 and the hood arc lid 9 on top can be fine shelter from outside dust and rainwater, and the entry that prevents bird net 3 on the metal ring 4 can effectually avoid the bird. When the rotary fan 11 is maintained, the maintenance rotating plate 6 on the metal shell 5 can be opened for maintenance. Thus, the maintenance rotating plate 6 consisting of the finger groove 61, the rotating block 62, the sealing rubber pad 63, the fixing screw 64 and the metal inserting block 65 is more convenient to open and more compact in fixing. And overhaul rotor plate 6 and be connected in metal casing 5 inside recess through the pivot post that rotates square 62 below both ends, so thereby can be fine open and shut the rotation, and when opening, through the fixed screw 64 of loosening four corners, thereby place in finger groove 61 inside at the handle, later pull down hard and open rotation square 62, make and open more conveniently, and when fixed, grafting through metal inserted block 65 makes fixed more convenient, and the outside of metal inserted block 65 is provided with sealed cushion 63, play fine sealed effect like this, make sealed fixed inseparabler, thereby it is more convenient when using.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a special roof fan of system of discharging fume is prevented to building, includes metal casing (5) and metal base (8), its characterized in that: the metal shell (5) is fixedly arranged at the middle position of the upper end of the metal base (8), fixing screws (13) are arranged on the metal base (8) at the periphery of the metal shell (5), an overhauling rotating plate (6) is arranged in the middle of the front end of the metal shell (5), a power connector (7) is arranged on the metal shell (5) at the left side of the overhauling rotating plate (6), a metal support frame (10) is arranged inside the metal shell (5), a rotating fan (11) is arranged inside the metal shell (5) in the middle of the metal support frame (10), fan blades (12) are arranged at the lower end of the rotating fan (11), the rotating fan (11) is electrically connected with the power connector (7), a metal upper ring (4) is arranged at the upper end of the metal shell (5), and a bird prevention grid (3) is arranged inside the middle of the metal upper ring (4), the bird prevention grid is characterized in that a fixed threaded bolt (1) is arranged on the metal upper ring (4) on the outer side of the bird prevention grid (3), a metal hood (2) is arranged in the middle of the fixed threaded bolt (1), a hood arc-shaped cover (9) is arranged at the upper end of the metal hood (2), and the power connector (7) is electrically connected with an external power supply.
2. The special roof fan of building smoke prevention and exhaust system of claim 1, characterized in that: overhaul rotor plate (6) and insert piece (65) including finger recess (61), rotation square (62), sealed cushion (63), fixed screw (64) and metal, the upper end top of rotating square (62) is provided with finger recess (61), be provided with metal in the middle of the lower extreme of rotating square (62) and insert piece (65), outside a week of metal insert piece (65) is provided with sealed cushion (63), be located all around of sealed cushion (63) and be provided with fixed screw (64) on rotating square (62), it connects on metal casing (5) to rotate square (62).
3. The special roof fan of building smoke prevention and exhaust system of claim 1, characterized in that: the fixed threaded bolt (1) comprises a metal lifting ring (101), a threaded connecting column (102), a first nut (103) and a second nut (104), wherein the threaded connecting column (102) is arranged at the lower end of the metal lifting ring (101), the first nut (103) is arranged at the lower end of the threaded connecting column (102), and the second nut (104) is arranged below the first nut (103) and on the threaded connecting column (102).
4. The special roof fan of building smoke prevention and exhaust system of claim 1, characterized in that: fan flabellum (12) are including inside jack-post (121), outside ring (122) and flabellum blade (123), be provided with inside jack-post (121) in the middle of the lower extreme of outside ring (122), the outside of outside ring (122) is provided with flabellum blade (123), inside jack-post (121) are connected on rotating fan (11).
5. The special roof fan of building smoke prevention and exhaust system of claim 1, characterized in that: the metal base (8) is square, and a safety net and a flap air door are arranged in the middle of the inside of the metal base (8).
6. The special roof fan of building smoke prevention and exhaust system of claim 1, characterized in that: the metal shell (5) and the metal base (8) are fixedly connected in a welding and fixing mode, and the interior of the metal shell (5) is in a hollow state.
7. The special roof fan of building smoke prevention and exhaust system of claim 1, characterized in that: the number of the fixed thread bolts (1) is four, and the fixed thread bolts (1) are all fixed on the metal upper ring (4) in parallel.
8. The special roof fan of building smoke prevention and exhaust system of claim 1, characterized in that: the size of the outer side of the bird-proof grid (3) is equal to the size of the inner side of the metal upper ring (4), and the outer sides of the bird-proof grid (3) and the metal upper ring (4) are positioned on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469798.2U CN209761830U (en) | 2019-04-09 | 2019-04-09 | Special roof fan of system of discharging fume is prevented to building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920469798.2U CN209761830U (en) | 2019-04-09 | 2019-04-09 | Special roof fan of system of discharging fume is prevented to building |
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| Publication Number | Publication Date |
|---|---|
| CN209761830U true CN209761830U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920469798.2U Active CN209761830U (en) | 2019-04-09 | 2019-04-09 | Special roof fan of system of discharging fume is prevented to building |
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| CN (1) | CN209761830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781327A (en) * | 2020-07-10 | 2021-05-11 | 张家港市金立纳米高弹材料有限公司 | Adjustable heated air circulation baking house |
-
2019
- 2019-04-09 CN CN201920469798.2U patent/CN209761830U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781327A (en) * | 2020-07-10 | 2021-05-11 | 张家港市金立纳米高弹材料有限公司 | Adjustable heated air circulation baking house |
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