CN203201868U - Wing-shaped angle-adjustable jet fan - Google Patents
Wing-shaped angle-adjustable jet fan Download PDFInfo
- Publication number
- CN203201868U CN203201868U CN 201320165701 CN201320165701U CN203201868U CN 203201868 U CN203201868 U CN 203201868U CN 201320165701 CN201320165701 CN 201320165701 CN 201320165701 U CN201320165701 U CN 201320165701U CN 203201868 U CN203201868 U CN 203201868U
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- China
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- mounting disc
- hush pipe
- sheet mounting
- barrel
- fixed
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Abstract
The utility model discloses a wing-shaped angle-adjustable jet fan, which comprises a front silencing barrel, a host machine barrel, a back silencing barrel, a motor and an impeller, wherein the front silencing barrel and the back silencing barrel are communicated to the air inlet and the air outlet of the host machine barrel respectively; filter screens are fixed at the air outlet end of the front silencing barrel and the air inlet end of the back silencing barrel; a silencing material is filled between the outer walls and the inner walls of the front silencing barrel and the back silencing barrel; a left positioning edge accommodating cavity and a right positioning edge accommodating cavity are molded on a left blade mounting disk and a right blade mounting disk respectively; and axial positioning edges are molded on the end parts of blade handles of blades, and are clamped between the left positioning edge accommodating cavity and the right positioning edge accommodating cavity. According to the wing-shaped angle-adjustable jet fan, the filter screens are fixed, so that foreign matters can be prevented from entering the fan; meanwhile, the effect of adjusting the air volume can be achieved by directly adjusting the blades, so that the air volume is easy and convenient to adjust; and an air volume adjusting device is not required to be designed or fitted specially, so that cost is saved.
Description
Technical field:
The utility model relates to the ventilation equipment technical field, relates in particular a kind of wing blade angle adjustable jet blower
Background technique:
Existing jet blower generally hangs on venue top or both sides, uses jet blower, does not need to arrange in addition the air channel again, has efficient high, and cost is low, and smooth running is safeguarded simply and easily characteristics.Fresh air or air-conditioning suck from an end of jet blower, after impeller accelerates, penetrate at a high speed from the other end of blower fan, with than the high velocity air of kinetic energy energy being passed to air in the venue, thereby the Air Flow in the drive venue reaches the purpose of regulating air in the venue.
Yet, the noise of existing jet blower is large, general its exhaust outlet and intake grill place are without filtrating equipment, and existing jet blower only has and by the front-end and back-end at jet blower volume adjusting apparatus is set and regulates air quantity, the volume adjusting apparatus that this just need to also want mounting design to be complementary with it in the design jet blower, this has not only increased design difficulty, has also increased fabricating cost, makes the jet blower structure complicated.
Simultaneously, the guide line of the motor of existing jet blower is mounted in the flexible pipe, can collide with the impeller of rotation when flexible pipe is long and motor is damaged.
The model utility content:
The purpose of this utility model is exactly the deficiency for prior art, and provide a kind of wing blade angle adjustable jet blower, the intake grill end of the air opening end of its front hush pipe and rear hush pipe all is fixed with filter screen, can prevent that foreign material from entering blower fan inside, simultaneously, it directly adjusting vane reach the effect of regulating air quantity so that the adjusting of air quantity becomes simply, make things convenient for, need not to design or be equipped with for it specially volume adjusting apparatus, provide cost savings.
Technology solution of the present utility model is as follows:
A kind of wing blade angle adjustable jet blower, comprise front hush pipe, main barrel, rear hush pipe, motor and impeller, described front hush pipe and rear hush pipe connect respectively at the intake grill place of described main barrel and exhaust outlet place, motor is fixed on the support, support is fixed on the inwall of main barrel, the intake grill end of the air opening end of described front hush pipe and rear hush pipe all is fixed with filter screen, is filled with quieter material between the outer wall of front hush pipe and rear hush pipe and the inwall;
Described impeller comprises blade, the mounting disc of lobus sinister sheet and the mounting disc of lobus dexter sheet, form block on the main shaft of motor, and the top end of described main shaft forms thread section, described thread section successively sleeve in the center hole of the mounting disc of lobus sinister sheet and the mounting disc of lobus dexter sheet, the top of thread section is bolted with mainshaft nut, the mounting disc of lobus sinister sheet and the mounting disc of lobus dexter sheet are clamped between block and the mainshaft nut, the mounting disc of described lobus sinister sheet and the mounting disc of lobus dexter sheet form respectively that left gulde edge is accommodated nest and right gulde edge is accommodated nest, form the axially locating limit on the petiole end of blade, this gulde edge is clamped in that left gulde edge is accommodated nest and right gulde edge is accommodated between the nest, described right gulde edge is accommodated on the bottom surface of nest and is formed some wedge grooves, form the wedge lug on the described gulde edge, wedge lug sleeve is in the wedge groove, and adjusting bolt passes the mounting disc of lobus sinister sheet and the mounting disc of lobus dexter sheet is screwed onto with nut.
The outer wall of described front hush pipe and rear hush pipe is steel plate, and inwall is porous slab, and quieter material is the noise reduction glass wool.
Be fixed with logical spool on the madial wall of described main barrel, logical spool communicates with through hole on the main barrel sidewall, and the guide line of motor passes logical spool.
Described blade is wing blades.
The bottom welding of described main barrel is fixed with fixed supporting seat.
The beneficial effects of the utility model are:
1, the intake grill end of the air opening end of its front hush pipe and rear hush pipe all is fixed with filter screen, can prevent that foreign material from entering blower fan inside; And be filled with quieter material between the outer wall of front hush pipe and rear hush pipe and the inwall, and inwall is porous slab, and quieter material is the noise reduction glass wool, and this has improved the effect of noise reduction.
2, it directly adjusting vane reach the effect of regulating air quantity so that the adjusting of air quantity becomes simply, make things convenient for, need not to design or be equipped with for it specially volume adjusting apparatus, provide cost savings.
3, its blade is the same with the aircraft wing blade, and such blade is compared with the blade of traditional axial-flow blower, and its air quantity more strengthens.
4, be fixed with logical spool on the madial wall of main barrel, convenient guide line with motor is through outside the main barrel, and simultaneously, it can protect guide line, prevents from that the impeller that is rotated owing to guide line is long from damaging to cause the motor damage.
Description of drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the perspective view of main barrel of the present utility model;
Fig. 3 is the partial structurtes schematic diagram of lobus sinister sheet of the present utility model mounting disc and the mounting disc of lobus dexter sheet;
Fig. 4 is the side view of the mounting disc of lobus sinister sheet, the mounting disc of lobus dexter sheet and main shaft;
Fig. 5 is that blades installation is at the structural representation of the mounting disc of lobus sinister sheet and the mounting disc of lobus dexter sheet;
Fig. 6 is the structural representation of blade;
Fig. 7 is the rear view of main barrel of the present utility model;
Fig. 8 is the structural representation between motor main shaft of the present utility model, the mounting disc of lobus sinister sheet and the mounting disc of lobus dexter sheet.
Embodiment:
Embodiment: see shown in Fig. 1 to 7, a kind of wing blade angle adjustable jet blower, comprise front hush pipe 7, main barrel 1, rear hush pipe 8, motor 2 and impeller 10, described front hush pipe 7 and rear hush pipe 8 connect respectively at the intake grill place of described main barrel 1 and exhaust outlet place, motor 2 is fixed on the support 9, support 9 is fixed on the inwall of main barrel 1, the intake grill end of the air opening end of described front hush pipe 7 and rear hush pipe 8 all is fixed with filter screen 20, is filled with quieter material 50 between the outer wall 30 of front hush pipe 7 and rear hush pipe 8 and the inwall 40;
Described impeller 10 comprises blade 3, lobus sinister sheet mounting disc 5 and lobus dexter sheet mounting disc 4, form block 211 on the main shaft 21 of motor 2, and the top end of described main shaft 21 forms thread section 212, described thread section 212 successively sleeve in the center hole of lobus sinister sheet mounting disc 5 and lobus dexter sheet mounting disc 4, the top of thread section 212 is bolted with mainshaft nut 213, lobus sinister sheet mounting disc 5 and lobus dexter sheet mounting disc 4 are clamped between block 211 and the mainshaft nut 213, described lobus sinister sheet mounting disc 5 and lobus dexter sheet mounting disc 4 form respectively that left gulde edge is accommodated nest 51 and right gulde edge is accommodated nest 41, form axially locating limit 31 on the petiole end of blade 3, this gulde edge 31 is clamped in that left gulde edge is accommodated nest 51 and right gulde edge is accommodated between the nest 41, described right gulde edge is accommodated on the bottom surface of nest 41 and is formed some wedge grooves 411, form wedge lug 311 on the described gulde edge 31, wedge lug 311 sleeves are in wedge groove 411, and adjusting bolt 6 is passed lobus sinister sheet mounting disc 5 and the mounting disc of lobus dexter sheet 4 and is screwed onto with nut.
The outer wall 30 of described front hush pipe 7 and rear hush pipe 8 is steel plate, and inwall 40 is porous slab, and quieter material 50 is the noise reduction glass wool.
Be fixed with logical spool 11 on the madial wall of described main barrel 1, logical spool 11 1 ends communicate with through hole on main barrel 1 sidewall, the other end contacts with motor 2, and the guide line of motor 2 passes and leads to spool 11.
Described blade 3 is wing blades.
The bottom welding of described main barrel 1 is fixed with fixed supporting seat 60.
Working principle: the utility model is in regulating air volume, only need to regulate blade 3 of the present utility model, at first unclamp mainshaft nut 213, then unclamp adjusting bolt 6, then mention blade 3, wedge lug 311 is extracted from wedge groove 411, again blade 3 is rotated definitely angle (the adjustment angle of blade 3 is 10～30 degree), after being rotated in place with wedge lug 311 again sleeve at wedge groove 411, regulate finish after, tighten mainshaft nut 213 and adjusting bolt 6.
Claims (5)
1. wing blade angle adjustable jet blower, comprise front hush pipe (7), main barrel (1), rear hush pipe (8), motor (2) and impeller (10), described front hush pipe (7) and rear hush pipe (8) connect respectively intake grill place and the exhaust outlet place at described main barrel (1), motor (2) is fixed on the support (9), support (9) is fixed on the inwall of main barrel (1), it is characterized in that: the intake grill end of the air opening end of described front hush pipe (7) and rear hush pipe (8) all is fixed with filter screen (20), is filled with quieter material (50) between the outer wall (30) of front hush pipe (7) and rear hush pipe (8) and the inwall (40);
Described impeller (10) comprises blade (3), lobus sinister sheet mounting disc (5) and lobus dexter sheet mounting disc (4), form block (211) on the main shaft (21) of motor (2), and the top end of described main shaft (21) forms thread section (212), described thread section (212) successively sleeve in the center hole of lobus sinister sheet mounting disc (5) and lobus dexter sheet mounting disc (4), the top of thread section (212) is bolted with mainshaft nut (213), lobus sinister sheet mounting disc (5) and lobus dexter sheet mounting disc (4) are clamped between block (211) and the mainshaft nut (213), described lobus sinister sheet mounting disc (5) and lobus dexter sheet mounting disc (4) form respectively that left gulde edge is accommodated nest (51) and right gulde edge is accommodated nest (41), form axially locating limit (31) on the petiole end of blade (3), this gulde edge (31) is clamped in that left gulde edge is accommodated nest (51) and right gulde edge is accommodated between the nest (41), described right gulde edge is accommodated on the bottom surface of nest (41) and is formed some wedge grooves (411), form wedge lug (311) on the described gulde edge (31), wedge lug (311) sleeve is in wedge groove (411), and adjusting bolt (6) passes lobus sinister sheet mounting disc (5) and lobus dexter sheet mounting disc (4) is screwed onto with nut.
2. a kind of wing blade angle adjustable jet blower according to claim 1, it is characterized in that: the outer wall (30) of described front hush pipe (7) and rear hush pipe (8) is steel plate, and inwall (40) is porous slab, and quieter material (50) is the noise reduction glass wool.
3. a kind of wing blade angle adjustable jet blower according to claim 1, it is characterized in that: be fixed with logical spool (11) on the madial wall of described main barrel (1), logical spool (11) communicates with through hole on main barrel (1) sidewall, and the guide line of motor (2) passes logical spool (11).
4. a kind of wing blade angle adjustable jet blower according to claim 1, it is characterized in that: described blade (3) is wing blades.
5. a kind of wing blade angle adjustable jet blower according to claim 1, it is characterized in that: the bottom welding of described main barrel (1) is fixed with fixed supporting seat (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165701 CN203201868U (en) | 2013-04-03 | 2013-04-03 | Wing-shaped angle-adjustable jet fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320165701 CN203201868U (en) | 2013-04-03 | 2013-04-03 | Wing-shaped angle-adjustable jet fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203201868U true CN203201868U (en) | 2013-09-18 |
Family
ID=49145979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320165701 Expired - Fee Related CN203201868U (en) | 2013-04-03 | 2013-04-03 | Wing-shaped angle-adjustable jet fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203201868U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476961A (en) * | 2016-06-08 | 2017-12-15 | 天津中隧通风机有限公司 | A kind of jet blower |
| CN113339293A (en) * | 2021-07-19 | 2021-09-03 | 苏州丰土环保科技有限公司 | Multi-section high-pressure casting belt type fan |
| CN116576152A (en) * | 2023-07-12 | 2023-08-11 | 中国空气动力研究与发展中心低速空气动力研究所 | Wind tunnel fan blade fixing device and wind tunnel fan with adjustable blade mounting angle |
-
2013
- 2013-04-03 CN CN 201320165701 patent/CN203201868U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476961A (en) * | 2016-06-08 | 2017-12-15 | 天津中隧通风机有限公司 | A kind of jet blower |
| CN113339293A (en) * | 2021-07-19 | 2021-09-03 | 苏州丰土环保科技有限公司 | Multi-section high-pressure casting belt type fan |
| CN116576152A (en) * | 2023-07-12 | 2023-08-11 | 中国空气动力研究与发展中心低速空气动力研究所 | Wind tunnel fan blade fixing device and wind tunnel fan with adjustable blade mounting angle |
| CN116576152B (en) * | 2023-07-12 | 2023-09-22 | 中国空气动力研究与发展中心低速空气动力研究所 | Wind tunnel fan blade fixing device and wind tunnel fan with adjustable blade mounting angle |
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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: 20130918 Termination date: 20160403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |