CN210769534U - Induced draft fan conversion interface and induced draft fan and fan system applying same - Google Patents
Induced draft fan conversion interface and induced draft fan and fan system applying same Download PDFInfo
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- CN210769534U CN210769534U CN201921444907.1U CN201921444907U CN210769534U CN 210769534 U CN210769534 U CN 210769534U CN 201921444907 U CN201921444907 U CN 201921444907U CN 210769534 U CN210769534 U CN 210769534U
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- draft fan
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Abstract
The utility model discloses a conversion interface of an induced draft fan and a fan system using the same, which comprises a spiral case, a wind wheel and a motor, wherein the spiral case comprises a spiral case shell and a cover plate arranged at the bottom of the spiral case shell, the spiral case shell and the cover plate enclose an inner cavity capable of being provided with the wind wheel, an exhaust duct extends out of the side surface of the spiral case shell, the end part of the exhaust duct forms an air outlet, the motor is arranged on the top of the spiral case shell, the front end part of a rotating shaft of the motor extends into the inner cavity of the spiral case shell and is arranged together with the wind wheel, the conversion interface is arranged at the air outlet and comprises an assembly section, a transition section and an outlet section, the assembly section and the outlet section are respectively arranged at the two ends of the transition section, the assembly section comprises an inner ring and an outer ring, the top end of the outer ring is, the installation structure is simplified, parts are reduced, the cost is reduced, and the installation is simpler and more efficient.
Description
The technical field is as follows:
the utility model relates to an draught fan conversion interface and draught fan and fan system of using thereof.
Background art:
the existing draught fan comprises a volute and a wind wheel arranged in an inner cavity of the volute, the wind wheel is connected with a rotating shaft of a motor and driven by the rotating shaft to rotate, a wind outlet pipe is arranged at the side part of the volute and comprises an inner pipe and an outer pipe, the inner pipe is communicated with the inner cavity and forms an air outlet channel of the draught fan, the outer pipe surrounds the inner pipe, an annular groove is formed between the outer pipe and the inner pipe, the outer pipe is provided with at least one drain hole at the bottom of the annular groove, a drain pipe protrudes out of the drain hole, a conversion interface is arranged on the wind outlet pipe of the draught fan and is embedded in the annular groove, a sealing ring is further arranged between the conversion interface and the outer pipe, a positioning mechanism is arranged between the inner pipe and the conversion interface, the positioning mechanism realizes the circumferential limiting of the conversion interface, and the outer end of the outer pipe, the groove extends along the axial direction and the circumferential direction and divides the outer pipe into a fixed part and a movable part, a first convex edge and a second convex edge protrude from the outer side of the outer pipe in the circumferential direction, the first convex edge is arranged on the end face of the outer pipe, a positioning groove is formed between the first convex edge and the second convex edge, the groove is arranged in the positioning groove, a locking device is arranged in the positioning groove, the movable part and the fixed part are drawn together by the locking device, and therefore the outer pipe is tightly held with the conversion interface, and the structure has the advantages of more parts of the assembly conversion interface, troublesome assembly and higher manufacturing cost; and the angle and the length of the connection between the conversion interface and the outer pipe are fixed, so that the universality of the conversion interface is poor.
The utility model has the following contents:
the utility model aims at providing a draught fan conversion interface, it is more simple and convenient when installing with the load through this conversion interface structure, be convenient for the discharge of comdenstion water through water storage cavity and wash port.
Another object of the utility model is to provide a draught fan simplifies mounting structure, reduces the part, and reduce cost installs more simply high-efficient moreover.
Another object of the utility model is to provide a fan system, through folding conversion interface and outer union coupling, realize that installation angle and length can adapt to different load needs, improve the conversion interface commonality. The purpose of the utility model is realized by the following technical scheme.
The utility model aims at providing an draught fan conversion interface, its characterized in that: the conversion interface comprises an assembly section, a transition section and an outlet section, wherein the assembly section and the outlet section are respectively positioned at two ends of the transition section, the assembly section comprises an inner ring and an outer ring, the top end of the outer ring is connected with the transition section, the tail ends of the inner ring and the outer ring are provided with connecting plates for connection, a water storage cavity is defined by the inner ring, the outer ring and the connecting plates, at least one drain hole is arranged on the outer ring, a drain pipe protrudes out of the drain hole, and the drain hole is communicated with the water storage cavity.
And a positioning step extends inwards from the top end of the inner ring.
And a groove is formed in the inner wall surface of the inner ring.
The transition section is a telescopic and bendable pipeline formed by the folded parts.
The export section includes linkage segment and expansion section, the one end and the changeover portion of linkage segment are connected, and the other end is connected with the expansion section, the internal diameter D1 of expansion section is greater than the external diameter D2 of linkage segment, form the platform stage between linkage segment and the expansion section.
The lateral surface circumference of expansion section protrusion first chimb and second chimb, first chimb is located the terminal surface of expansion section, form the constant head tank between first chimb and the second chimb.
A notch is arranged between the first convex edge and the positioning groove.
The transition section is made of soft materials, and the assembly section and the outlet section are made of hard materials.
A plurality of steel rings are arranged in the middle of the fold part of the transition section so as to enhance the rigidity strength of the conversion interface and prevent the fold part from deforming.
The utility model provides an induced draft fan, includes spiral case, wind wheel and motor, the spiral case includes the spiral case casing and installs the apron in spiral case casing bottom, and the spiral case casing sets up the air intake with the inner chamber of apron besieged city mountable wind wheel on the apron, and exhaust duct is stretched out to the side of spiral case casing, forms the air outlet at exhaust duct's tip, and the motor includes the pivot, the motor is installed on the top of spiral case casing, the preceding tip of the pivot of motor stretches into the inner chamber the inside of spiral case casing and installs together with the wind wheel, air outlet department installs conversion interface, its characterized in that: the conversion interface is the conversion interface, and when the conversion interface is installed at the air outlet, the inner wall surface of the inner ring is tightly matched with the outer surface of the exhaust pipeline.
And when the conversion interface is arranged at the air outlet, the end part of the air exhaust pipeline is abutted against the positioning step of the inner ring.
The inner wall surface of the inner ring is provided with a groove, the outer surface of the exhaust pipeline is provided with a boss, and when the conversion interface is installed at the air outlet, the groove is sleeved on the boss.
The utility model provides a fan system, includes draught fan and outer tube, the air outlet and the outer tube of draught fan pass through conversion interface erection joint, its characterized in that: the conversion interface is the conversion interface, when the conversion interface is installed at the air outlet, a telescopic bent pipeline is formed through the fold part of the conversion interface and is connected with the outer pipe.
Compared with the prior art, the utility model, following effect has:
1) the utility model relates to a conversion interface of draught fan, which comprises an assembly section, a transition section and an outlet section, wherein the assembly section and the outlet section are respectively positioned at two ends of the transition section, the assembly section comprises an inner ring and an outer ring, the top end of the outer ring is connected with the transition section, the ends of the inner ring and the outer ring are provided with connecting plates for connection, a water storage cavity is enclosed among the inner ring, the outer ring and the connecting plates, at least one drain hole is arranged on the outer ring, a drain pipe protrudes out of the drain hole, the drain hole is communicated with the water storage cavity, the conversion interface structure is simpler and more convenient to install with a load, and condensed water can be conveniently discharged through the water;
2) the utility model relates to an draught fan includes spiral case, wind wheel and motor, the spiral case includes the spiral case casing and installs the apron in spiral case casing bottom, and the spiral case casing sets up the air intake with the inner chamber of an mountable wind wheel of apron besieged city on the apron, and exhaust duct stretches out to the side of spiral case casing, forms the air outlet at exhaust duct's tip, and the motor includes the pivot, the motor is installed on the top of spiral case casing, the preceding tip of the pivot of motor stretches into the inner chamber the inside of spiral case casing and installs together with the wind wheel, air outlet department installs conversion interface, its characterized in that: the conversion interface comprises an assembly section, a transition section and an outlet section, wherein the assembly section and the outlet section are respectively located at two ends of the transition section, the assembly section comprises an inner ring and an outer ring, the top end of the outer ring is connected with the transition section, the tail ends of the inner ring and the outer ring are provided with connecting plates for connection, when the conversion interface is installed at the air outlet, the inner wall surface of the inner ring is tightly matched with the outer surface of an exhaust pipeline, the installation structure is simplified, parts are reduced, the cost is reduced, and the installation is simpler and more efficient.
3) The utility model relates to a fan system includes draught fan and outer tube, the air outlet and the outer tube of draught fan pass through conversion interface erection joint, its characterized in that: the conversion interface comprises an assembly section, a transition section and an outlet section, wherein the transition section is a telescopic bent pipeline formed by a fold part, when the conversion interface is arranged at an air outlet, the telescopic bent pipeline formed by the fold part of the conversion interface is connected with an outer pipe, and the foldable conversion interface is connected with the outer pipe, so that the installation angle and the length can adapt to different load requirements, and the universality of the conversion interface is improved.
4) Other advantages of the present invention will be described in detail in the examples section.
Description of the drawings:
FIG. 1 is a perspective view of a first embodiment;
FIG. 2 is another perspective view of the first embodiment;
FIG. 3 is a cross-sectional view of the first embodiment;
fig. 4 is a perspective view of the present invention;
fig. 5 is another perspective view of the present invention;
fig. 6 is an exploded perspective view of the present invention;
fig. 7 is an exploded view of another perspective view of the present invention;
fig. 8 is a top view of the present invention;
FIG. 9 is a cross-sectional view A-A of FIG. 8;
FIG. 10 is a cross-sectional view B-B of FIG. 8;
fig. 11 is a partial enlarged view of C in fig. 10.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 3, the present embodiment provides an induced draft fan conversion interface, which is characterized in that: the conversion interface 4 comprises an assembly section 41, a transition section 42 and an outlet section 43, the assembly section 41 and the outlet section 43 are respectively located at two ends of the transition section 42, the assembly section 41 comprises an inner ring 411 and an outer ring 412, the top end of the outer ring 412 is connected with the transition section 42, the tail ends of the inner ring 411 and the outer ring 412 are connected through a connecting plate 413, a water storage cavity 414 is defined by the inner ring 411, the outer ring 412 and the connecting plate 413, at least one water drainage hole 415 is arranged on the outer ring 412, a water drainage pipe 416 protrudes out of the water drainage hole 415, the water drainage hole 415 is communicated with the water storage cavity 414, the conversion interface structure and the load installation are simpler and more convenient, and drainage of condensed water is facilitated through the water storage cavity and.
A positioning step 417 extends inwards from the top end of the inner ring 411, so that the mounting and axial positioning are facilitated, and the structure is simple.
The inner ring 411 is provided with a groove 4111 on the inner wall surface, so that the installation and positioning are convenient, and the structure is simple.
The transition section 42 is a telescopic and bendable pipe formed by the fold part 421, and can be applied to various installation modes, and the universality is strong.
The outlet section 43 comprises a connecting section 431 and an expanding section 432, one end of the connecting section 431 is connected with the transition section 42, the other end of the connecting section 431 is connected with the expanding section 432, the inner diameter D1 of the expanding section 432 is larger than the outer diameter D2 of the connecting section 431, a stage 433 is formed between the connecting section 431 and the expanding section 432, and the performance of the induced draft fan can be improved by matching air guide pipes with different air outlet diameters with a volute.
The outer side surface of the expansion section 432 circumferentially protrudes out of the first convex edge 4321 and the second convex edge 4322, the first convex edge 4321 is located on the end surface of the expansion section 432, the positioning groove 4323 is formed between the first convex edge 4321 and the second convex edge 4322, the structural arrangement is reasonable, and the production of the positioning groove is more standard.
A notch 4324 is disposed between the first convex edge 4321 and the positioning groove 4323. The transition section 42 is made of soft materials, the soft materials comprise rubber, silica gel, TPU and the like, the assembling section 41 and the outlet section 43 are made of hard materials, and the hard materials comprise hard plastics, metals, alloys and the like.
A plurality of steel rings are arranged in the middle of the corrugated part 421 of the transition section 42 to enhance the rigidity strength of the conversion interface and prevent the corrugated part 421 from deforming.
Example two:
as shown in fig. 4 to 11, an induced draft fan, including spiral case 1, wind wheel 2 and motor 3, spiral case 1 includes spiral case casing 11 and installs the apron 12 in spiral case casing 11 bottom, and spiral case casing 11 encloses an inner chamber 13 of mountable wind wheel 2 with apron 12, sets up air intake 14 on the apron 12, and exhaust duct 15 is stretched out to spiral case casing 11's side, forms air outlet 16 at exhaust duct 15's tip, and motor 3 includes pivot 31, motor 3 installs on spiral case casing 11's top, the preceding tip of motor 3's pivot 31 stretches into spiral case casing 11's the 13 insides of inner chamber and installs together with wind wheel 2, conversion interface 4, its characterized in that are installed to air outlet 16: the conversion interface is the conversion interface described in the first embodiment, and when the conversion interface 4 is installed at the air outlet 16, the inner wall surface of the inner ring 411 is tightly matched with the outer surface of the exhaust duct 15, so that the installation structure is simplified, parts are reduced, the cost is reduced, and the installation is simpler and more efficient.
The top end of the inner ring 411 extends inwards to form a positioning step 417, and when the conversion interface 4 is arranged at the air outlet 16, the end part of the exhaust duct 15 abuts against the positioning step 417 of the inner ring 411, so that the installation structure is simple, the installation is convenient, and the axial positioning can be realized.
Be equipped with recess 4111 on the internal wall face of inner circle 411, be equipped with boss 151 on the surface of exhaust duct 15, when conversion interface 4 installs in air outlet 16 department, recess 4111 suit is on boss 151, prevents effectively that circumferential direction from rotating between exhaust duct and the conversion interface.
Example three:
as shown in fig. 3 and 6, a fan system, includes draught fan and outer tube, the air outlet 16 and the outer tube of draught fan pass through conversion interface 4 erection joint, its characterized in that: the conversion interface is the conversion interface described in the first embodiment, when the conversion interface 4 is installed at the air outlet 16, a telescopic bent pipeline is formed by the fold portion 421 of the conversion interface 4 to be connected with the outer pipe, and the foldable conversion interface is connected with the outer pipe, so that the installation angle and length can be adapted to different load requirements, and the universality of the conversion interface is improved.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.
Claims (13)
1. The utility model provides an induced draft fan conversion interface which characterized in that: the conversion interface (4) comprises an assembly section (41), a transition section (42) and an outlet section (43), the assembly section (41) and the outlet section (43) are respectively located at two ends of the transition section (42), the assembly section (41) comprises an inner ring (411) and an outer ring (412), the top end of the outer ring (412) is connected with the transition section (42), the tail ends of the inner ring (411) and the outer ring (412) are provided with a connecting plate (413) for connection, a water storage cavity (414) is defined by the inner ring (411), the outer ring (412) and the connecting plate (413), at least one drain hole (415) is arranged on the outer ring (412), a drain pipe (416) protrudes out of the drain hole (415), and the drain hole (415) is communicated with the water storage cavity (414).
2. An induced draft fan conversion interface according to claim 1, wherein: a positioning step (417) extends inwards from the top end of the inner ring (411).
3. An induced draft fan conversion interface according to claim 2, wherein: a groove (4111) is formed in the inner wall surface of the inner ring (411).
4. An induced draft fan conversion interface according to claim 1, 2 or 3, wherein: the transition section (42) is a telescopic pipe formed by a fold part (421).
5. An induced draft fan conversion interface according to claim 4, wherein: the outlet section (43) comprises a connecting section (431) and a expanding section (432), one end of the connecting section (431) is connected with the transition section (42), the other end of the connecting section is connected with the expanding section (432), the inner diameter D1 of the expanding section (432) is larger than the outer diameter D2 of the connecting section (431), and a stage (433) is formed between the connecting section (431) and the expanding section (432).
6. An induced draft fan conversion interface according to claim 5, wherein: the outer side surface of the expansion section (432) circumferentially protrudes a first convex edge (4321) and a second convex edge (4322), the first convex edge (4321) is located on the end surface of the expansion section (432), and a positioning groove (4323) is formed between the first convex edge (4321) and the second convex edge (4322).
7. An induced draft fan conversion interface according to claim 6, wherein: a gap (4324) is arranged between the first convex edge (4321) and the positioning groove (4323).
8. An induced draft fan conversion interface according to claim 1, wherein: the transition section (42) is made of soft materials, and the assembly section (41) and the outlet section (43) are made of hard materials.
9. An induced draft fan conversion interface according to claim 4, wherein: a plurality of steel rings are arranged in the middle of the corrugated portion (421) of the transition section (42) to enhance the rigidity strength of the conversion interface and prevent the corrugated portion (421) from deforming.
10. An induced draft fan comprises a volute (1), a wind wheel (2) and a motor (3), the volute (1) comprises a volute casing (11) and a cover plate (12) arranged at the bottom of the volute casing (11), the volute casing (11) and the cover plate (12) enclose an inner cavity (13) capable of being provided with the wind wheel (2), an air inlet (14) is formed in the cover plate (12), an exhaust pipeline (15) extends out of the side surface of the volute casing (11), an air outlet (16) is formed at the end part of the air exhaust pipeline (15), the motor (3) comprises a rotating shaft (31), the motor (3) is arranged on the top of the volute casing (11), the front end part of a rotating shaft (31) of the motor (3) extends into the inner cavity (13) of the volute casing (11) and is arranged together with the wind wheel (2), conversion interface (4), its characterized in that are installed in air outlet (16): the conversion interface is as claimed in any one of the above claims 1 to 9, and when the conversion interface (4) is installed at the air outlet (16), the inner wall surface of the inner ring (411) is tightly matched with the outer surface of the exhaust duct (15).
11. The induced draft fan of claim 10, wherein: the top end of the inner ring (411) extends inwards to form a positioning step (417), and when the conversion interface (4) is arranged at the air outlet (16), the end part of the exhaust duct (15) abuts against the positioning step (417) of the inner ring (411).
12. The induced draft fan of claim 11, wherein: be equipped with recess (4111) on the internal wall face of inner circle (411), be equipped with boss (151) on the surface of exhaust duct (15), when conversion interface (4) are installed in air outlet (16) department, recess (4111) suit is on boss (151).
13. The utility model provides a fan system, includes draught fan and outer tube, air outlet (16) and the outer tube of draught fan pass through conversion interface (4) erection joint, its characterized in that: the conversion interface is as claimed in any one of the above claims 4 to 9, and when the conversion interface (4) is installed at the air outlet (16), a telescopic bending pipeline is formed by the fold part (421) of the conversion interface (4) to be connected with the outer pipe.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921444907.1U CN210769534U (en) | 2019-09-02 | 2019-09-02 | Induced draft fan conversion interface and induced draft fan and fan system applying same |
| PCT/CN2020/083930 WO2021042720A1 (en) | 2019-09-02 | 2020-04-09 | Adaptor for induced draft fan, and induced draft fan and draft fan system using same |
| US17/533,025 US11788554B2 (en) | 2019-09-02 | 2021-11-22 | Adapter for induced draft fan and induced draft fan comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921444907.1U CN210769534U (en) | 2019-09-02 | 2019-09-02 | Induced draft fan conversion interface and induced draft fan and fan system applying same |
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| Publication Number | Publication Date |
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| CN210769534U true CN210769534U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921444907.1U Active CN210769534U (en) | 2019-09-02 | 2019-09-02 | Induced draft fan conversion interface and induced draft fan and fan system applying same |
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| CN (1) | CN210769534U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374926A (en) * | 2019-09-02 | 2019-10-25 | 中山大洋电机股份有限公司 | A kind of air-introduced machine translation interface and its air-introduced machine and blower fan system of application |
-
2019
- 2019-09-02 CN CN201921444907.1U patent/CN210769534U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374926A (en) * | 2019-09-02 | 2019-10-25 | 中山大洋电机股份有限公司 | A kind of air-introduced machine translation interface and its air-introduced machine and blower fan system of application |
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