CN204610325U - A kind of mute energy-saving ventilator - Google Patents
A kind of mute energy-saving ventilator Download PDFInfo
- Publication number
- CN204610325U CN204610325U CN201520277390.7U CN201520277390U CN204610325U CN 204610325 U CN204610325 U CN 204610325U CN 201520277390 U CN201520277390 U CN 201520277390U CN 204610325 U CN204610325 U CN 204610325U
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- China
- Prior art keywords
- casing
- fixed
- hush pipe
- impeller
- spiral case
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Abstract
The utility model discloses a kind of mute energy-saving ventilator, comprise casing and impeller, impeller is arranged in spiral case, spiral case is fixed in casing, the exhaust outlet of described spiral case communicates with the exhaust vent on the header board of casing, the posterior medial wall of casing has shaped as frame limit, back shroud is bolted to connection on shaped as frame limit, back shroud covers the rear portion of casing, back shroud forms intake opening, hush pipe is inserted with in intake opening, the outer wall of hush pipe is weldingly fixed on the madial wall of intake opening, hush pipe stretches in casing, the bottom outer wall of hush pipe is welded with dunnage, dunnage is weldingly fixed on the madial wall of back shroud.Motor is arranged in casing by it, and its compact structure, occupies little space, simultaneously, adopt forward-type impeller to improve air quantity, adopt box typed structure and detachable built-in hush pipe to reduce noise further simultaneously, the place meeting some low-noise strong blast volumes uses.
Description
Technical field:
The utility model relates to ventilation equipment technical field, relates to a kind of mute energy-saving ventilator in particular.
Background technique:
Existing centrifugal blower is generally adopt in spiral case to arrange impeller, fixing support rack bottom spiral case, noise reducing apparatus is there is no outside spiral case, make its noise large, therefore the employing backward type impeller had is to reduce noise, but its noise reducing effect can not meet the needs in some facility places as hotel, restaurant, movie theatre etc., and the dynamic pressure adopting backward type impeller to make gas obtain on the contrary reduces, after discharging from blower fan, static pressure is also lower, and air quantity also reduced;
And some employings arrange casing outside the spiral case of centrifugal blower, what existing box-type centrifugal fan adopted is external motoring, and motor is fixed on outside casing by it, and it is installed and inconvenience, and it is large to take up room; And box-type reduces the limited in one's ability of noise.
Model utility content:
The purpose of this utility model is exactly the deficiency for prior art, and a kind of mute energy-saving ventilator is provided, motor is arranged in casing by it, its compact structure, occupy little space, meanwhile, adopt forward-type impeller to improve air quantity, adopt box typed structure and detachable built-in hush pipe to reduce noise further, the place meeting some low-noise strong blast volumes uses simultaneously.
Technology solution of the present utility model is as follows:
A kind of mute energy-saving ventilator, comprise casing and impeller, impeller is arranged in spiral case, spiral case is fixed in casing, the exhaust outlet of described spiral case communicates with the exhaust vent on the header board of casing, the posterior medial wall of casing has shaped as frame limit, back shroud is bolted to connection on shaped as frame limit, back shroud covers the rear portion of casing, back shroud forms intake opening, hush pipe is inserted with in intake opening, the outer wall of hush pipe is weldingly fixed on the madial wall of intake opening, hush pipe stretches in casing, the bottom outer wall of hush pipe is welded with dunnage, dunnage is weldingly fixed on the madial wall of back shroud, the base plate of casing is fixed with and regulates guide rail and supporting frame, motor is fixed on and regulates on guide rail, motor is in casing, the output shaft of motor is fixed with output disc, impeller is fixed on coupling shaft, and intake grill that the left side wall of spiral case and right side wall all form is stretched out and on bearing on the supporting frame that is provided with of the left and right sides being fixed on spiral case in the two ends of coupling shaft, the left end of coupling shaft is fixed with input disc, and driving belt is stretched on output disc and input disc.
Described adjustment guide rail cross section is C type, regulate on the upper flap of guide rail and form bar shaped groove, positioning screw sleeve is also screwed together through the preset hole on motor base and setscrew nut in bar shaped groove, and upper flap is clamped between the head of positioning screw and the base of motor.
Described impeller is forward-type impeller, and the blade profile of impeller is arc-shaped, and the bending direction of blade is identical with vane rotary direction.
The base plate back side of described casing is fixed with two and connects channel-section steel; Exhaust vent and intake opening are in same direction.
The end face of described casing is fixed with many slidable bars, the bottom surface of slidable bar has T-shaped chute, and the end face of hush pipe has T-shaped raised item, and T-shaped raised item sleeve is in T-shaped chute.
Described hush pipe comprises outer cylinder body and interior porous slab cylindrical shell, and glass wool is filled in the cavity between outer cylinder body and interior porous slab cylindrical shell.
The beneficial effects of the utility model are:
1, it adopts forward-type impeller that its air quantity is increased, static pressure increases, adopt box typed structure and built-in hush pipe can reduce noise and reduce taking of space simultaneously, motor is arranged in casing, make its compact structure, space outerpace takies few, simply easy for installation, and meets and require that high place uses to low-noise strong blast volume.
2, the intake opening of its casing and exhaust vent are in the same direction, meet some air intakes and air-out like this in unidirectional passage or place.
3, its motor is fixed on and regulates on guide rail, can need adjusted position so when mounted according to driving belt tensioning, conveniently to install meanwhile.
The base plate back side of 4, casing is fixed with two and connects channel-section steels, if like this installation time connection channel-section steel is fixed on facility, very convenient.
Accompanying drawing illustrates:
Fig. 1 is perspective view of the present utility model;
Fig. 2 is partial sectional view of the present utility model;
Fig. 3 is motor of the present utility model and the connection diagram regulating guide rail;
Fig. 4 is the blade of impeller and the relation schematic diagram in wheel rotation direction;
Fig. 5 is the structural representation of spiral case of the present utility model and wall box;
Fig. 6 is the partial structurtes schematic diagram between casing of the present utility model and hush pipe.
Embodiment:
Embodiment: see shown in Fig. 1 to 6, a kind of mute energy-saving ventilator, comprise casing 1 and impeller 2, impeller 2 is arranged in spiral case 3, spiral case 3 is fixed in casing 1, the exhaust outlet 31 of described spiral case 3 communicates with the exhaust vent 11 on the header board of casing 1, the posterior medial wall of casing 1 has shaped as frame limit 14, back shroud 15 is bolted to connection on shaped as frame limit 14, back shroud 15 covers the rear portion of casing 1, back shroud 15 forms intake opening 12, hush pipe 16 is inserted with in intake opening 12, the outer wall of hush pipe 16 is weldingly fixed on the madial wall of intake opening 12, hush pipe 16 stretches in casing 1, the bottom outer wall of hush pipe 16 is welded with dunnage 17, dunnage 17 is weldingly fixed on the madial wall of back shroud 15, the base plate of casing 1 is fixed with and regulates guide rail 4 and supporting frame 5, motor 6 is fixed on and regulates on guide rail 4, motor 6 is in casing 1, the output shaft of motor 6 is fixed with output disc 61, impeller 2 is fixed on coupling shaft 7, and intake grill 32 that the left side wall of spiral case 3 and right side wall all form is stretched out and on bearing 51 on the supporting frame 5 that is provided with of the left and right sides being fixed on spiral case 3 in the two ends of coupling shaft 7, the left end of coupling shaft 7 is fixed with input disc 71, and driving belt 8 is stretched on output disc 61 and input disc 71.
Further, described adjustment guide rail 4 cross section is C type, regulate on the upper flap 41 of guide rail 4 and form bar shaped groove 42, positioning screw 9 sleeve is also screwed together through the preset hole on motor 6 base and setscrew nut 10 in bar shaped groove 42, and upper flap 41 is clamped between the head of positioning screw 9 and the base of motor 6.
Further, described impeller 2 is forward-type impeller, and blade 21 cross section of impeller 2 is arc-shaped, and the bending direction of blade 21 is identical with vane rotary direction.
Further, the base plate back side of described casing 1 is fixed with two and connects channel-section steels 13; Exhaust vent 11 and intake opening 12 are in same direction.
Further, the end face of described casing 1 is fixed with many slidable bars 18, the bottom surface of slidable bar 18 has T-shaped chute 181, and the end face of hush pipe 16 has T-shaped raised item 161, and T-shaped raised item 161 sleeve is in T-shaped chute 181.
Further, described hush pipe 16 comprises outer cylinder body 162 and interior porous slab cylindrical shell 163, and glass wool 164 is filled in the cavity between outer cylinder body 162 and interior porous slab cylindrical shell 163.
Working principle: air-flow enters from the intake opening 11 of the rear plate of casing 1, then enters the intake grill 32 of spiral case 3, is then driven by impeller 2 and discharges from exhaust outlet 31.
Meanwhile, it is by slidable bar 18, and the bottom surface of slidable bar 18 has T-shaped chute 181, the end face of hush pipe 16 has T-shaped raised item 161, T-shaped raised item 161 sleeve, in T-shaped chute 181, adopts this structure further to the support of hush pipe 16 and fixing, ensure that its operational effect.
Claims (6)
1. a mute energy-saving ventilator, comprise casing (1) and impeller (2), impeller (2) is arranged in spiral case (3), spiral case (3) is fixed in casing (1), it is characterized in that: the exhaust outlet (31) of described spiral case (3) communicates with the exhaust vent (11) on the header board of casing (1), the posterior medial wall of casing (1) has shaped as frame limit (14), back shroud (15) is bolted to connection on shaped as frame limit (14), back shroud (15) covers the rear portion of casing (1), back shroud (15) forms intake opening (12), hush pipe (16) is inserted with in intake opening (12), the outer wall of hush pipe (16) is weldingly fixed on the madial wall of intake opening (12), hush pipe (16) stretches in casing (1), the bottom outer wall of hush pipe (16) is welded with dunnage (17), dunnage (17) is weldingly fixed on the madial wall of back shroud (15), the base plate of casing (1) is fixed with and regulates guide rail (4) and supporting frame (5), motor (6) is fixed on and regulates on guide rail (4), motor (6) is in casing (1), the output shaft of motor (6) is fixed with output disc (61), impeller (2) is fixed on coupling shaft (7), the intake grill (32) that the left side wall of spiral case (3) and right side wall all form is stretched out at the two ends of coupling shaft (7), and on bearing (51) on the supporting frame (5) that is provided with of the left and right sides being fixed on spiral case (3), the left end of coupling shaft (7) is fixed with input disc (71), and driving belt (8) is stretched on output disc (61) and input disc (71).
2. a kind of mute energy-saving ventilator according to claim 1, it is characterized in that: described adjustment guide rail (4) cross section is C type, regulate on the upper flap (41) of guide rail (4) and form bar shaped groove (42), positioning screw (9) sleeve is also screwed together through the preset hole on motor (6) base and setscrew nut (10) in bar shaped groove (42), and upper flap (41) is clamped between the head of positioning screw (9) and the base of motor (6).
3. a kind of mute energy-saving ventilator according to claim 1, it is characterized in that: described impeller (2) is forward-type impeller, blade (21) cross section of impeller (2) is arc-shaped, and the bending direction of blade (21) is identical with vane rotary direction.
4. a kind of mute energy-saving ventilator according to claim 1, is characterized in that: the base plate back side of described casing (1) is fixed with two and connects channel-section steel (13); Exhaust vent (11) and intake opening (12) are in same direction.
5. a kind of mute energy-saving ventilator according to claim 1, it is characterized in that: the end face of described casing (1) is fixed with many slidable bars (18), the bottom surface of slidable bar (18) has T-shaped chute (181), the end face of hush pipe (16) has T-shaped raised item (161), and T-shaped raised item (161) sleeve is in T-shaped chute (181).
6. a kind of mute energy-saving ventilator according to claim 1, it is characterized in that: described hush pipe (16) comprises outer cylinder body (162) and interior porous slab cylindrical shell (163), and glass wool (164) is filled in the cavity between outer cylinder body (162) and interior porous slab cylindrical shell (163).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277390.7U CN204610325U (en) | 2015-04-30 | 2015-04-30 | A kind of mute energy-saving ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520277390.7U CN204610325U (en) | 2015-04-30 | 2015-04-30 | A kind of mute energy-saving ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204610325U true CN204610325U (en) | 2015-09-02 |
Family
ID=53962894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520277390.7U Expired - Fee Related CN204610325U (en) | 2015-04-30 | 2015-04-30 | A kind of mute energy-saving ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204610325U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065615A (en) * | 2019-06-05 | 2019-07-30 | 泰州市沪江特种设备有限公司 | Low noise exhausting unit peculiar to vessel |
-
2015
- 2015-04-30 CN CN201520277390.7U patent/CN204610325U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110065615A (en) * | 2019-06-05 | 2019-07-30 | 泰州市沪江特种设备有限公司 | Low noise exhausting unit peculiar to vessel |
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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 |
Granted publication date: 20150902 Termination date: 20190430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |