CN111059068B - Bidirectional jet fan with adjustable air inlet and outlet angles - Google Patents
Bidirectional jet fan with adjustable air inlet and outlet angles Download PDFInfo
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- CN111059068B CN111059068B CN201911262929.0A CN201911262929A CN111059068B CN 111059068 B CN111059068 B CN 111059068B CN 201911262929 A CN201911262929 A CN 201911262929A CN 111059068 B CN111059068 B CN 111059068B
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- air inlet
- fixed
- outlet
- push
- duct
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a bidirectional jet fan with adjustable air inlet and outlet angles, which comprises a bottom plate fixed on the top wall of a building, wherein an air duct is fixed on the bottom plate through two suspension arms, two ends of the air duct are respectively and fixedly connected with a hose, the other end of each hose is fixedly connected with an air inlet and outlet duct, each air inlet and outlet duct is fixed on a pair of support shafts which are symmetrically arranged in the front and at the back, the support shafts are inserted and sleeved at the lower ends of support arms, and the upper ends of the support arms are fixed on the bottom plate; a support rod is fixed on the upper side of each air inlet and outlet duct, the support rod is inserted in a waist-shaped hole at one end of each push-pull rod, a screw rod is formed at the other end of each push-pull rod, the screw threads of the screw rods of the two push-pull rods are arranged in opposite rotation directions, and the screw rods of the two push-pull rods are respectively screwed at two ends of the adjusting sleeve. The hose is arranged between the air inlet and outlet duct and the air duct to adjust the angle of the air inlet and outlet duct, so that the air flow is prevented from rubbing with the top wall of a building during air outlet, and the interference of the top wall of the building on the air flow is reduced.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a bidirectional jet fan with an adjustable air inlet and outlet angle.
Background
At present, in underground building structures such as highway mountain-crossing tunnels, subway tunnels, underground markets and the like, in order to ensure stable air quality inside the buildings, forced circulation of air inside the buildings and outside air is often required through a jet fan unit, but in actual use, the jet fan unit is often installed at the top of the buildings through a positioning mechanism and is distributed in parallel with the axis of the buildings, and once the jet fan unit is installed and fixed, the installation position of the jet fan unit does not have adjusting capacity, so that friction between airflow and the top of the buildings is easily caused in the operation process of the jet fan unit, and the flowing direction of the airflow is disturbed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a bidirectional jet fan with an adjustable air inlet and outlet angle, which can adjust the angle of an air inlet and outlet duct by arranging a hose between the air inlet and outlet duct and the duct, thereby avoiding the friction between air flow and the top wall of a building during air outlet and reducing the interference of the top wall of the building on the air flow.
The scheme for solving the technical problems is as follows:
a bidirectional jet fan with an adjustable air inlet and outlet angle comprises a bottom plate fixed on the top wall of a building, wherein two suspension arms which extend downwards and are symmetrically arranged in front and at the back are fixed in the middle of the bottom plate, an air duct is fixed between the two suspension arms, a motor is fixed in the air duct, and the motor is connected with an impeller; the two ends of each air duct are fixedly connected with a hose, the other end of each hose is fixedly connected with an air inlet and outlet duct, the outer wall of each air inlet and outlet duct is fixedly provided with a pair of support shafts which are symmetrically arranged front and back, the support shafts are inserted and sleeved at the lower ends of the support arms, and the upper ends of the support arms are fixed on the bottom plate;
two support plates which are symmetrical front and back are fixed on the outer wall of the upper side of each air inlet and outlet barrel, a support rod is fixed between the two support plates, the support rod is inserted in a waist-shaped hole at one end of a push-pull rod, a screw rod is formed at the other end of the push-pull rod, the screw threads of the screw rods of the two push-pull rods are arranged in opposite rotation directions, the screw rods of the two push-pull rods are respectively screwed at two ends of an adjusting sleeve, the adjusting sleeve is hinged on a hinged plate, and the.
An arc-shaped groove taking the supporting shaft as a circle center is formed in the supporting arm, an auxiliary rod is sleeved in the arc-shaped groove, and the auxiliary rod is fixed on the supporting plate.
A hexagonal boss is formed at one end of the adjusting sleeve.
The middle part of the push-pull rod is inserted in the shaft sleeve, the shaft sleeve is fixed on the connecting plate, and the connecting plate is fixed on the bottom plate.
The bottom plate is fixed on the top wall of the building through a plurality of linearly arranged rear expanding bottom anchor bolts.
The inner diameter of the hose is not smaller than that of the air duct.
The outer end of the air inlet and outlet barrel is formed with a cone part with a small outside and a large inside, and the cone part is formed with a cone hole with a small outside and a large inside.
The invention has the following outstanding effects: compared with the prior art, the air inlet and outlet duct has the advantages that the hose is arranged between the air inlet and outlet duct and the air duct, so that the angle of the air inlet and outlet duct can be adjusted, the air flow is prevented from rubbing with the top wall of a building during air outlet, and the interference of the top wall of the building on the air flow is reduced.
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 a portion of FIG. 1;
FIG. 4 is a partial enlarged view of FIG. 2 with respect to B;
FIG. 5 is an enlarged view of a portion of FIG. 2 about C;
fig. 6 is a cross-sectional view of fig. 4 taken about D-D.
Detailed Description
In the embodiment, as shown in fig. 1 to 6, a bidirectional jet fan with adjustable air inlet and outlet angles comprises a base plate 11 fixed on the top wall of a building, two suspension arms 12 which extend downwards and are symmetrically arranged in front and at the back are fixed in the middle of the base plate 11, an air duct 13 is fixed between the two suspension arms 12, a motor 14 is fixed inside the air duct 13, and the motor 14 is connected with an impeller 15; two ends of the air duct 13 are respectively fixedly connected with a hose 16, the other end of each hose 16 is fixedly connected with an air inlet and outlet duct 17, the outer wall of each air inlet and outlet duct 17 is fixedly provided with a pair of support shafts 18 which are symmetrically arranged front and back, the support shafts 18 are inserted and sleeved at the lower ends of the support arms 19, and the upper ends of the support arms 19 are fixed on the bottom plate 11;
two support plates 20 which are symmetrical front and back are fixed on the outer wall of the upper side of each air inlet and outlet barrel 17, a support rod 21 is fixed between the two support plates 20, the support rod 21 is inserted and sleeved in a waist-shaped hole 221 at one end of a push-pull rod 22, a screw 222 is formed at the other end of the push-pull rod 22, the screw threads of the screw 222 of the two push-pull rods 22 are arranged in opposite rotating directions, the screw 222 of the two push-pull rods 22 are respectively screwed at two ends of an adjusting sleeve 23, the adjusting sleeve 23 is hinged on a hinged plate 24, and the hinged plate 24 is fixed on.
Furthermore, an arc-shaped groove 191 taking the support shaft 18 as a circle center is formed in the support arm 19, the auxiliary rod 25 is sleeved in the arc-shaped groove 191, and the auxiliary rod 25 is fixed on the support plate 20.
Further, a hexagonal boss 231 is formed at one end of the adjustment sleeve 23.
Furthermore, the middle portion of the push-pull rod 22 is inserted into the shaft sleeve 26, the shaft sleeve 26 is fixed on the connecting plate 27, and the connecting plate 27 is fixed on the base plate 11.
More specifically, the base plate 11 is fixed to the top wall of the building by a plurality of linearly arranged rear-expanding anchor bolts 28.
Further, the inner diameter of the hose 16 is not smaller than the inner diameter of the air duct 13.
Further, a tapered portion 171 with a small outside and a large inside is formed at the outer end of the inlet/outlet duct 17, and a tapered hole with a small outside and a large inside is formed at the tapered portion 171.
The working principle is as follows: the hexagonal boss 231 is rotated by a tool such as a wrench, the hexagonal boss 231 drives the adjusting sleeve 23 to rotate, the adjusting sleeve 23 drives the two push-pull rods 22 to approach to each other or to separate from each other, the push-pull rods 22 push the support rod 21 to turn over by taking the support shaft 18 as a center through the kidney-shaped hole 221, and the support rod 21 drives the air inlet and outlet duct 17 to turn over by taking the support shaft 18 as a center through the support plate 20; when the two push-pull rods 22 approach each other, the outer ends of the air inlet and outlet ducts 17 are turned upwards to reduce the included angle between the air inlet and outlet ducts and the top wall (viewing plane) of the building; when the two push-pull rods 22 are far away from each other, the outer ends of the air inlet and outlet ducts 17 are turned downwards, so that the included angle between the air inlet and outlet ducts and the top wall (viewing plane) of the building is enlarged, and the air inlet and outlet ducts can be adjusted to different angles according to requirements.
Finally, the above embodiments are only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (7)
1. The utility model provides a two-way efflux fan of business turn over wind angularly adjustable, includes bottom plate (11) of fixing on the building top wall, its characterized in that: two suspension arms (12) which extend downwards and are symmetrically arranged in front and at the back are fixed in the middle of the bottom plate (11), an air duct (13) is fixed between the two suspension arms (12), a motor (14) is fixed inside the air duct (13), and the motor (14) is connected with an impeller (15); the two ends of the air duct (13) are respectively fixedly connected with a hose (16), the other end of each hose (16) is fixedly connected with an air inlet and outlet duct (17), the outer wall of each air inlet and outlet duct (17) is fixedly provided with a pair of supporting shafts (18) which are symmetrically arranged front and back, the supporting shafts (18) are inserted and sleeved at the lower ends of the supporting arms (19), and the upper ends of the supporting arms (19) are fixed on the bottom plate (11);
two support plates (20) which are symmetrical front and back are fixed on the outer wall of the upper side of each air inlet and outlet barrel (17), a support rod (21) is fixed between the two support plates (20), the support rod (21) is inserted and sleeved in a waist-shaped hole (221) at one end of each push-pull rod (22), a screw rod (222) is formed at the other end of each push-pull rod (22), the screw threads of the screw rods (222) of the two push-pull rods (22) are arranged in opposite rotating directions, the screw rods (222) of the two push-pull rods (22) are respectively screwed at two ends of an adjusting sleeve (23), the adjusting sleeve (23) is hinged on a hinged plate (24), and the hinged plate (24) is fixed on a.
2. The bidirectional jet fan with the adjustable air inlet and outlet angle as recited in claim 1, characterized in that: an arc-shaped groove (191) with the supporting shaft (18) as a circle center is formed in the supporting arm (19), an auxiliary rod (25) is sleeved in the arc-shaped groove (191), and the auxiliary rod (25) is fixed on the supporting plate (20).
3. The bidirectional jet fan with the adjustable air inlet and outlet angle as recited in claim 1, characterized in that: a hexagonal boss (231) is formed at one end of the adjusting sleeve (23).
4. The bidirectional jet fan with the adjustable air inlet and outlet angle as recited in claim 1, characterized in that: the middle part of the push-pull rod (22) is inserted in the shaft sleeve (26), the shaft sleeve (26) is fixed on the connecting plate (27), and the connecting plate (27) is fixed on the bottom plate (11).
5. The bidirectional jet fan with the adjustable air inlet and outlet angle as recited in claim 1, characterized in that: the floor (11) is fixed to the building roof by a plurality of linearly arranged rear-expanding bottom anchor bolts (28).
6. The bidirectional jet fan with the adjustable air inlet and outlet angle as recited in claim 1, characterized in that: the inner diameter of the hose (16) is not less than that of the air duct (13).
7. The bidirectional jet fan with the adjustable air inlet and outlet angle as recited in claim 1, characterized in that: a cone part (171) with a small outside and a large inside is formed at the outer end of the air inlet and outlet barrel (17), and a cone hole with a small outside and a large inside is formed on the cone part (171).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911262929.0A CN111059068B (en) | 2019-12-11 | 2019-12-11 | Bidirectional jet fan with adjustable air inlet and outlet angles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911262929.0A CN111059068B (en) | 2019-12-11 | 2019-12-11 | Bidirectional jet fan with adjustable air inlet and outlet angles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111059068A CN111059068A (en) | 2020-04-24 |
| CN111059068B true CN111059068B (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911262929.0A Active CN111059068B (en) | 2019-12-11 | 2019-12-11 | Bidirectional jet fan with adjustable air inlet and outlet angles |
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| Country | Link |
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| CN (1) | CN111059068B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2562091A (en) * | 2017-05-04 | 2018-11-07 | Mosen Ltd | Optimised tunnel ventilation device |
| CN109026117A (en) * | 2018-08-29 | 2018-12-18 | 上海诺地乐通用设备制造有限公司 | A kind of jet blower |
| CN110332001A (en) * | 2019-04-18 | 2019-10-15 | 广州市鹭江远科技有限公司 | A kind of safety-type ventilation equipment with guide function for coal mining |
| CN110360085A (en) * | 2019-07-22 | 2019-10-22 | 浙江沈力防爆机电有限公司 | A kind of induction type jet blower |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1161738A (en) * | 1994-08-23 | 1997-10-08 | 南岸大学企业有限公司 | Air moving system |
| DE19920513A1 (en) * | 1999-05-05 | 2000-11-09 | Witt & Sohn Gmbh & Co | Jet fan |
| KR100968499B1 (en) * | 2009-10-06 | 2010-07-07 | 정선엔지니어링 주식회사 | Jetfan device |
| CN205558958U (en) * | 2016-05-09 | 2016-09-07 | 成都职业技术学院 | Hoist device of tunnel efflux fan |
| CN207813986U (en) * | 2017-12-28 | 2018-09-04 | 广州市泓建通风设备制造有限公司 | A kind of air-flow angle adjustable jet flow wind turbine |
-
2019
- 2019-12-11 CN CN201911262929.0A patent/CN111059068B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2562091A (en) * | 2017-05-04 | 2018-11-07 | Mosen Ltd | Optimised tunnel ventilation device |
| CN109026117A (en) * | 2018-08-29 | 2018-12-18 | 上海诺地乐通用设备制造有限公司 | A kind of jet blower |
| CN110332001A (en) * | 2019-04-18 | 2019-10-15 | 广州市鹭江远科技有限公司 | A kind of safety-type ventilation equipment with guide function for coal mining |
| CN110360085A (en) * | 2019-07-22 | 2019-10-22 | 浙江沈力防爆机电有限公司 | A kind of induction type jet blower |
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| Publication number | Publication date |
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| CN111059068A (en) | 2020-04-24 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20201103 Address after: No.55 qingneng Road, Jiading District, Shanghai 201800 Applicant after: Yingfei Tongren fan Co.,Ltd. Address before: 518000 Guangdong Province Longhua District Dalang Street Tongsheng Community Shangyanglang New Industrial Zone 2 603-1 Applicant before: Shenzhen chuangzhilian environmental protection equipment Co.,Ltd. |
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