CN203627263U - Smoke discharge roof fan with regulating valve - Google Patents
Smoke discharge roof fan with regulating valve Download PDFInfo
- Publication number
- CN203627263U CN203627263U CN201320717734.2U CN201320717734U CN203627263U CN 203627263 U CN203627263 U CN 203627263U CN 201320717734 U CN201320717734 U CN 201320717734U CN 203627263 U CN203627263 U CN 203627263U
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- Prior art keywords
- dunnage
- aluminum
- motor
- blast cap
- upper cover
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Abstract
The utility model discloses a smoke discharge roof fan with a regulating valve, which comprises an aluminium hood, an aluminium air duct, an aluminium base and a motor. The fireproof regulating valve is arranged at the lower part of the aluminium base ; a plurality of vent holes are formed in the side wall of the aluminium hood; a plurality of struts are fixedly arranged on the aluminium base; the top ends of the struts are fixed on a supporting plate; a motor is fixedly arranged at the center of the supporting plate; an output shaft of the motor passes through a center through hole of the supporting plate and is fixed with an impeller; the impeller is positioned below the supporting plate; the motor is positioned above the supporting plate; the motor is positioned in the aluminium hood; both the struts and the impeller are positioned in the aluminium air duct; the impeller is over against a communication port; and the supporting plate is provided with a plurality of long through holes. The smoke discharge roof fan is made of a full-aluminium material and is light in weight; and the vent holes formed in the aluminium hood of the smoke discharge roof fan and the long through holes formed in the supporting plate of the smoke discharge roof fan carry out convection, and thus heat of the motor can flow out of the vent holes and the long through holes and the temperature of the motor is reduced, so that service life of the motor is prolonged.
Description
Technical field:
The utility model relates to ventilation equipment technical field, relates in particular a kind of smoke evacuation roof ventilator with modulating valve.
Background technique:
Roof ventilator has a variety of, has also having of axial flow centrifugal, but existing Centrafugal roof fan general structure complexity, and bulky, be used in the facilities such as some factory buildings, power station.
Between the blast cap of existing roof ventilator and air duct, have larger space, easily allow birds fly into, impact is operation normally.
And, the blast cap of existing aluminum roof ventilator is generally in order to protect motor, need to be by electrical machinery cover in inside, and blast cap is fixed in dunnage, motor is also fixed in dunnage, motor and blast cap are all in the upper plane of dunnage, make so the complete supported plate of motor and blast cap wrap up, it has been located outside the sidewall of blast cap forms electric wire delivery outlet, there is no other perforates, and dunnage place outside the output shaft of central through bore power supply machine passes, there is no other perforate yet, like this, the in the situation that of outside direct sunlight, motor cannot be dispelled the heat in the space of blast cap and dunnage formation, service time is of a specified duration, motor is burnt out at once, affecting it normally uses.
And the upper cover of the air duct of existing its blower fan of aluminum roof ventilator and sidewall are all once-throughs, it is very inconvenient when fixing that this carries out bolt when mounted, the speed that impact is installed, and the sidewall of air duct is all that aluminum is made, sidewall is smooth, and its intensity is not high, easily distortion, and the air quantity of existing roof ventilator can only control by the output shaft rotating speed of motor the size of air quantity, its adjusting is limited.
Model utility content:
The purpose of this utility model is exactly the deficiency for prior art, and provide a kind of smoke evacuation roof ventilator with modulating valve, it adopts full aluminium material, lightweight, be not easy aging, simultaneously, thereby the microscler through hole forming in the vent hole forming on its aluminum blast cap and dunnage carries out convection current can flow out the heat of motor from these two holes, reduce the temperature of motor, thereby improve the working life of motor, guarantee the normal operation of blower fan.
Technology solution of the present utility model is as follows:
With a smoke evacuation roof ventilator for modulating valve, comprise aluminum blast cap, aluminum air duct, aluminum base and motor, the bottom of described aluminum base is also provided with fire-preventino regulating valve; On the sidewall of described aluminum blast cap, form multiple vent holes;
On described aluminum base, be fixed with multiple struts, the communication port that all struts form along the center of aluminum base is uniformly distributed, the top of strut is fixed in dunnage, the center of dunnage is fixed with motor, the output shaft of motor is through the central through bore of dunnage, on output shaft, be fixed with impeller, impeller is below dunnage, motor is above dunnage, aluminum blast cap and dunnage are fixed together, aluminum blast cap is above dunnage, motor is in aluminum blast cap, aluminum air duct and dunnage are fixed together, strut and impeller are all in aluminum air duct, impeller is just to communication port,
In described dunnage, form multiple microscler through holes, microscler through hole is distributed on central through bore around centered by central through bore.
Described aluminum base is bolted to connection on the upper-end surface of the housing of fire-preventino regulating valve.
Described all struts surround circle, the outer isolation net that is with of this circle, isolation net is bolted to connection on the sidewall of strut, the bottom outer wall of isolation net is with baffle plate, baffle plate is fixed on isolation net, isolation net and baffle plate are all in aluminum air duct, and the bottom end of baffle plate contacts with the upper plane of aluminum base.
Described aluminum air duct is made up of cylindrical shell and upper cover, the edge forming of upper cover has downward flanging, limit, the upper end portion of cylindrical shell covers upper by rivet, dunnage is middle part below upper cover, the upper plane of dunnage is pressed against the bottom surface of upper cover, in the upper plane of dunnage, be welded with stiffening ring, stiffening ring sleeve is in the through hole at the center of upper cover the upper plane of stretching out upper cover, the top of strut is successively through the connecting through hole forming in the limit portion of dunnage, the connecting through hole of limit portion of the through hole of upper cover and the base plate of L shaped contiguous block are also bolted with set screw nut, set screw nut is pressed against the base plate of L shaped contiguous block, the bottom sidewall of aluminum blast cap is bolted to connection on the bending part of L shaped contiguous block.
The outer wall of described aluminum blast cap and the outer wall of cylindrical shell all form annular protrusion.
In the upper plane of described dunnage, be welded with the stiffening ring that two central axis are same vertical axis, the little stiffening ring of diameter is in the large stiffening ring of diameter, and motor is in the little stiffening ring of diameter.
The upper side edge of the vent hole forming on the sidewall of described aluminum blast cap forms the rain visor of outside bending.
The beneficial effects of the utility model are:
1, it adopts full aluminium material, lightweight, is not easy aging and weathering, environmental protection.Simultaneously, thereby the microscler through hole forming in the vent hole forming on its its aluminum blast cap and dunnage carries out convection current can flow out the heat of motor from these two holes, reduce the temperature of motor, thereby improve the working life of motor, guarantee the normal operation of blower fan.
2, can to prevent that birds or leaf insect from entering by roof ventilator indoor for its isolation net, or hindered by blower fan in the time of fan operation, and affect the normal operation of blower fan, and produce and pollute, and baffle plate can make isolation net fixing more firm.
3, its aluminum air duct is made up of cylindrical shell and upper cover, and limit, the upper end portion of cylindrical shell covers upper by rivet, can in the time that cylindrical shell and upper cover separate, install so when mounted, makes upper cover be bolted on easy for installation simple in dunnage.
4, the outer wall of aluminum blast cap and the outer wall of cylindrical shell all form annular protrusion, and the intensity that this has improved aluminum blast cap and aluminum air duct makes roof ventilator be not easy distortion.
5, fire-preventino regulating valve can be controlled the size of air quantity, also can prevent fires simultaneously.
Accompanying drawing explanation:
Fig. 1 is schematic appearance of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is the partial enlarged drawing of another part of Fig. 2;
Fig. 5 is the structural representation of dunnage;
Fig. 6 is the partial structurtes schematic diagram of the vent hole on aluminum blast cap;
Fig. 7 is that baffle plate and isolation net pass through the fixing structural representation of riveted joint.
Embodiment:
Embodiment: see shown in Fig. 1 to 7, a kind of smoke evacuation roof ventilator with modulating valve, comprises aluminum blast cap 1, aluminum air duct 2, aluminum base 3 and motor 4, and the bottom of described aluminum base 3 is also provided with fire-preventino regulating valve 5; On the sidewall of described aluminum blast cap 1, form multiple vent holes 11;
On described aluminum base 3, be fixed with multiple struts 6, the communication port 31 that all struts 6 form along the center of aluminum base 3 is uniformly distributed, the top of strut 6 is fixed in dunnage 7, the center of dunnage 7 is fixed with motor 4, the output shaft 41 of motor 4 is through the central through bore 71 of dunnage 7, on output shaft 41, be fixed with impeller 8, impeller 8 is below dunnage 7, motor 4 is above dunnage 7, aluminum blast cap 1 be fixed together in dunnage 7, aluminum blast cap 1 is above dunnage 7, motor 4 is in aluminum blast cap 1, aluminum air duct 2 is fixed together with dunnage 7, strut 6 and impeller 8 are all in aluminum air duct 2, impeller 8 is just to communication port 31,
In described dunnage 7, form multiple microscler through holes 72, microscler through hole 72 is distributed on central through bore 71 around centered by central through bore 71.
Described aluminum base 3 is bolted to connection on the upper-end surface 51 of the housing of fire-preventino regulating valve 5.
Described all struts 6 surround circle, the outer isolation net 9 that is with of this circle, isolation net 9 is bolted to connection on the sidewall of strut 6, the bottom outer wall of isolation net 9 is with baffle plate 10, baffle plate 10 is fixed on isolation net 9, isolation net 9 and baffle plate 10 are all in aluminum air duct 2, and the bottom end of baffle plate 10 contacts with the upper plane of aluminum base 3.
Described aluminum air duct 2 is made up of cylindrical shell 21 and upper cover 22, the edge forming of upper cover 22 has downward flanging, limit, the upper end portion of cylindrical shell 21 by rivet on upper cover 22, dunnage 7 is middle part below upper cover 22, the upper plane of dunnage 7 is pressed against the bottom surface of upper cover 22, in the upper plane of dunnage 7, be welded with stiffening ring 73, stiffening ring 73 sleeves are in the through hole 221 at upper cover 22 center the upper plane of stretching out upper cover 22, the top of strut 6 is successively through the connecting through hole forming in the limit portion of dunnage 7, the connecting through hole of the limit portion of the through hole 221 of upper cover 22 and the base plate 201 of L shaped contiguous block 20 are also bolted with set screw nut 30, make dunnage 7, upper cover 22 and L shaped contiguous block 20 form fixing, set screw nut 30 is pressed against the base plate 201 of L shaped contiguous block 20, the bottom sidewall of aluminum blast cap 1 is bolted to connection on the bending part 202 of L shaped contiguous block 20.
The outer wall of the outer wall of described aluminum blast cap 1 and cylindrical shell 21 all forms annular protrusion 40.
In the upper plane of described dunnage 7, be welded with the stiffening ring 73 that two central axis are same vertical axis, the little stiffening ring 73 of diameter is in the large stiffening ring 73 of diameter, and motor 4 is in the little stiffening ring 73 of diameter.
The upper side edge of the vent hole 11 forming on the sidewall of described aluminum blast cap 1 forms the rain visor 12 of outside bending.
Working principle: the amount of passing through from fire-preventino regulating valve 5 by the wind in fire-preventino regulating valve 5 control rooms, the fire-preventino regulating valve 5 that the utility model adopts is conventional on the market electronic fire-preventino regulating valve, all can buy on the market.Motor 4 moves, and impeller 8 is rotated, thereby indoor wind is entered from the communication port 31 of aluminum base 3 by fire-preventino regulating valve 5, by the rotation of impeller 8, flow out from the space between strut 6, through stopping of aluminum air duct 2, discharge from the cylinder end of aluminum air duct 2.
Meanwhile, the heat of motor 4 discharges by the multiple microscler through hole 72 forming in vent hole 11 and dunnage 7, also can be entered the heat of motor 4 is taken out of from the vent hole 11 of opposite side from the vent hole 11 of a side by extraneous wind.
And the upper side edge of the vent hole 11 forming on the sidewall of described aluminum blast cap 1 forms the rain visor 12 of outside bending, this can prevent that extraneous dust, rainwater from entering from vent hole 11, thereby protects the normal operation of motor 4.
Claims (7)
1. the smoke evacuation roof ventilator with modulating valve, comprises aluminum blast cap (1), aluminum air duct (2), aluminum base (3) and motor (4), it is characterized in that: the bottom of described aluminum base (3) is also provided with fire-preventino regulating valve (5); On the sidewall of described aluminum blast cap (1), form multiple vent holes (11);
On described aluminum base (3), be fixed with multiple struts (6), the communication port (31) that all struts (6) form along the center of aluminum base (3) is uniformly distributed, the top of strut (6) is fixed in dunnage (7), the center of dunnage (7) is fixed with motor (4), the output shaft (41) of motor (4) is through the central through bore (71) of dunnage (7), on output shaft (41), be fixed with impeller (8), impeller (8) is in the below of dunnage (7), motor (4) is in the top of dunnage (7), aluminum blast cap (1) be fixed together in dunnage (7), aluminum blast cap (1) is in dunnage (7) top, motor (4) is in aluminum blast cap (1), aluminum air duct (2) is fixed together with dunnage (7), strut (6) and impeller (8) are all in aluminum air duct (2), impeller (8) is just to communication port (31),
In described dunnage (7), form multiple microscler through holes (72), microscler through hole (72) is distributed on central through bore (71) around centered by central through bore (71).
2. a kind of smoke evacuation roof ventilator with modulating valve according to claim 1, is characterized in that: described aluminum base (3) is bolted to connection on the upper-end surface (51) of the housing of fire-preventino regulating valve (5).
3. a kind of smoke evacuation roof ventilator with modulating valve according to claim 1, it is characterized in that: described all struts (6) surround circle, the outer isolation net (9) that is with of this circle, isolation net (9) is bolted to connection on the sidewall of strut (6), the bottom outer wall of isolation net (9) is with baffle plate (10), baffle plate (10) is fixed on isolation net (9), isolation net (9) and baffle plate (10) are all in aluminum air duct (2), and the bottom end of baffle plate (10) contacts with the upper plane of aluminum base (3).
4. a kind of smoke evacuation roof ventilator with modulating valve according to claim 1, it is characterized in that: described aluminum air duct (2) is made up of cylindrical shell (21) and upper cover (22), the edge forming of upper cover (22) has downward flanging, limit, the upper end portion of cylindrical shell (21) by rivet on upper cover (22), dunnage (7) is at the middle part, below of upper cover (22), the upper plane of dunnage (7) is pressed against the bottom surface of upper cover (22), in the upper plane of dunnage (7), be welded with stiffening ring (73), stiffening ring (73) sleeve is in the through hole (221) at the center of upper cover (22) the upper plane of stretching out upper cover (22), the top of strut (6) is successively through the connecting through hole forming in the limit portion of dunnage (7), the connecting through hole of the limit portion of the through hole (221) of upper cover (22) and the base plate (201) of L shaped contiguous block (20) are also bolted with set screw nut (30), set screw nut (30) is pressed against the base plate (201) of L shaped contiguous block (20), the bottom sidewall of aluminum blast cap (1) is bolted to connection on the bending part (202) of L shaped contiguous block (20).
5. a kind of smoke evacuation roof ventilator with modulating valve according to claim 4, is characterized in that: the outer wall of the outer wall of described aluminum blast cap (1) and cylindrical shell (21) all forms annular protrusion (40).
6. a kind of smoke evacuation roof ventilator with modulating valve according to claim 4, it is characterized in that: in the upper plane of described dunnage (7), be welded with the stiffening ring that two central axis are same vertical axis (73), the stiffening ring (73) that diameter is little is in the large stiffening ring of diameter (73), and motor (4) is in the little stiffening ring of diameter (73).
7. a kind of smoke evacuation roof ventilator with modulating valve according to claim 1, is characterized in that: the upper side edge of the vent hole (11) forming on the sidewall of described aluminum blast cap (1) forms the rain visor (12) of outside bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717734.2U CN203627263U (en) | 2013-11-14 | 2013-11-14 | Smoke discharge roof fan with regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717734.2U CN203627263U (en) | 2013-11-14 | 2013-11-14 | Smoke discharge roof fan with regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203627263U true CN203627263U (en) | 2014-06-04 |
Family
ID=50813746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320717734.2U Expired - Fee Related CN203627263U (en) | 2013-11-14 | 2013-11-14 | Smoke discharge roof fan with regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203627263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747474A (en) * | 2015-03-20 | 2015-07-01 | 浙江聚英风机工业有限公司 | Integral roof fire protection draft fan and control system thereof |
-
2013
- 2013-11-14 CN CN201320717734.2U patent/CN203627263U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747474A (en) * | 2015-03-20 | 2015-07-01 | 浙江聚英风机工业有限公司 | Integral roof fire protection draft fan and control system thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20181114 |