CN218760528U - Explosion-proof axial fan - Google Patents
Explosion-proof axial fan Download PDFInfo
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- CN218760528U CN218760528U CN202223208350.6U CN202223208350U CN218760528U CN 218760528 U CN218760528 U CN 218760528U CN 202223208350 U CN202223208350 U CN 202223208350U CN 218760528 U CN218760528 U CN 218760528U
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- inner fixing
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- explosion
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Abstract
The utility model provides an explosion-proof axial fan belongs to the fan field. In particular to a fan which is used for cooling and radiating an axial flow fan and avoiding heat concentration. Including interior organism, outer heat dissipation casing, interior organism corresponds and arranges in outer heat dissipation casing, outer heat dissipation casing is bilayer structure, which comprises an outer shell body, interior fixed cover, shell body end connection, interior fixed cover is the reducing setting, the shell body, interior fixed cover hookup location is provided with along the intercommunication groove that radially runs through, intercommunication groove lateral wall is provided with the shell body, the air channel of interior fixed cover inside wall intercommunication, shell body lateral wall is the ripple setting, solid fixed ring is arranged in to the cover on the shell body, gu fixed ring is the flange structure, gu be provided with the rubber sleeve between fixed ring and the shell body, interior organism is arranged in interior fixed cover through the support frame, can form bilayer shell structure, carry out the air current heat exchange, avoid the heat to concentrate.
Description
Technical Field
The utility model provides an explosion-proof axial fan belongs to the fan field. In particular to a fan which is used for cooling and radiating an axial flow fan and avoiding heat concentration.
Background
At present, the axial flow fan has a very wide application, namely, the air flow in the same direction as the axis of the fan blade, such as an electric fan, an air conditioner external fan is an axial flow fan, so the axial flow fan is called as an axial flow, because the air flows parallel to the fan axis, the axial flow fan mainly comprises a fan impeller and a casing, and is generally used in occasions with higher flow requirement and lower pressure requirement, such as conveying and collecting of dust, gas and the like, and when conveying of dust and the like, the explosion-proof performance of the device needs to be considered, the heat generated by the existing axial flow fan through electric energy driving is difficult to be quickly dissipated, and the dust is contacted with a heating motor, so the explosion is easy to occur.
Publication No. CN213206030U discloses an explosion-proof axial fan, including the fan casing, explosion-proof machine, the exhaust hood, the exhaust fan, the fan casing is the cylinder, the exit of fan casing is equipped with the exhaust hood, explosion-proof machine and exhaust fan power are connected, be equipped with thermal-insulated cover in the fan casing, explosion-proof machine fixed mounting is in thermal-insulated cover, be equipped with thermal-insulated cover support column between thermal-insulated cover and the fan casing, the middle part of exhaust fan is equipped with the collar, the flabellum of exhaust fan is installed on the collar, install the cooling fan in explosion-proof machine's the pivot, the outer fringe of cooling fan and the inner wall fixed connection of collar, one side that the collar is close to the exhaust hood is equipped with the cooling air inlet unit, the entry that the cooling air inlet unit is located the below of exhaust hood, the heat exchange efficiency among the above-mentioned structure is low, and can not form large-traffic transport.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an explosion-proof axial fan, the one kind that provides sets up the connectivity through fixing the cover including, carries out quick gas direction, carries out the explosion-proof axial fan of the internal fixation cover outside refrigerated. Simple structure and convenient use.
The utility model relates to an explosion-proof axial fan realizes like this, the utility model relates to an explosion-proof axial fan: comprises an inner machine body and an outer heat dissipation shell, wherein the inner machine body is correspondingly arranged in the outer heat dissipation shell, the outer heat dissipation shell is of a double-layer structure and comprises an outer shell and an inner fixing sleeve, the inner fixing sleeve is connected with the end part of the outer shell, the inner fixing sleeve is arranged in a diameter-changing manner, a communicating groove which radially penetrates through the inner fixing sleeve is arranged at the connecting position of the outer shell and the inner fixing sleeve, the side wall of the communicating groove is provided with a vent groove which is communicated with the inner side wall of the outer shell and the inner fixing sleeve, the side wall of the outer shell is arranged in a corrugated manner, the outer shell is sleeved with a fixing ring, the fixing ring is of a flange structure, a rubber sleeve is arranged between the fixing ring and the outer shell, the inner machine body is arranged in the inner fixing sleeve through a support frame, and a blade is arranged on the inner machine body, the sealing structure comprises a connecting sleeve and an inner supporting ring, the connecting sleeve is sleeved on the inner fixing sleeve, the edge of the connecting sleeve is lapped and arranged on the outer shell and is sealed and fixed with the outer shell through a plurality of outer fastening screws, the inner wall of the connecting sleeve is correspondingly laminated and arranged on the outer side wall of the inner fixing sleeve, one side of the inner supporting ring is provided with an inserting ring which is inserted and arranged on the inner fixing sleeve, the inserting ring and the inner fixing sleeve are correspondingly laminated, the inner fixing sleeve is provided with a plurality of communicating holes, a plurality of communicating grooves are arranged at equal angles outside the inserting ring, the communicating grooves correspond to the communicating holes, an inner discharge groove is arranged on the attaching surface of the connecting sleeve and the inner fixing sleeve, and the connecting grooves and the communicating grooves are correspondingly communicated;
the supporting frame and the inner fixed sleeve are internally provided with a damping rubber sleeve;
the inner machine body is positioned on the upper side of the support frame, a plurality of communicating grooves are formed in the inner fixed sleeve, and the communicating grooves correspondingly extend along the axial direction;
the communicating groove is of a V-direction structure and correspondingly penetrates through the inner fixing sleeve and the outer shell, and the inner fixing sleeve and the outer shell are hermetically connected;
the vent groove arranged on the side wall of the communicating groove is of a semicircular structure and is positioned at the top of the communicating groove;
the outer discharge groove arranged on the connecting sleeve is of a flaring structure;
the connecting sleeve and the inner fixing sleeve are provided with sealing rings, and the sealing rings are correspondingly embedded in the connecting sleeve.
Has the advantages that:
1. a double-layer shell structure can be formed, air flow heat exchange is carried out, and heat concentration is avoided;
2. the air flow formed by the working of the fan is divided to carry out outside heat dissipation exchange, so that the energy consumption is low;
3. simple structure and convenient use.
Drawings
Fig. 1 is a schematic structural view of the explosion-proof axial flow fan of the present invention.
Fig. 2 is a three-dimensional structure diagram of the inner support ring of the anti-explosion axial flow fan of the present invention.
Fig. 3 is the utility model relates to an explosion-proof axial fan's seal structure schematic diagram.
Fig. 4 is a top view of the explosion-proof axial flow fan of the present invention without a support ring.
In the drawings:
1. a fixing ring; 2. an outer housing; 3. a vent channel; 4. a communicating groove; 5. an inner body; 6. a support frame; 7. an inner support ring; 8. connecting sleeves; 9. a seal ring; 10. an outer fastening screw; 11. an inner discharge chute; 12. an inner fixing sleeve; 13. a communicating hole; 14. a communicating groove; 15. a plug-in ring; 16. and connecting screws.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
According to the illustrations of FIGS. 1-4: the utility model relates to an explosion-proof axial fan realizes like this, the utility model relates to an explosion-proof axial fan: the heat dissipation device comprises an inner machine body 5 and an outer heat dissipation shell, wherein the inner machine body 5 is correspondingly arranged in the outer heat dissipation shell, the outer heat dissipation shell is of a double-layer structure and comprises an outer shell 2 and an inner fixing sleeve 12, the inner fixing sleeve 12 is connected with the end part of the outer shell 2, the inner fixing sleeve 12 is in variable diameter setting, a communication groove 4 which radially penetrates through the outer shell 2 and the inner fixing sleeve 12 is arranged at the connecting position of the outer shell 2 and the inner fixing sleeve 12, a vent groove 3 which is communicated with the inner side wall of the outer shell 2 and the inner fixing sleeve 12 is arranged on the side wall of the outer shell 2 in corrugated setting, a fixing ring 1 is sleeved on the outer shell 2, the fixing ring 1 is of a flange structure, a rubber sleeve is arranged between the fixing ring 1 and the outer shell 2, the inner machine body 5 is arranged in the inner fixing sleeve 12 through a support frame 6, blades are arranged on the inner machine body 5, a sealing structure is arranged between the outer shell 2 and the inner fixing sleeve 12, the sealing structure comprises a connecting sleeve 8 and an inner support ring 7, the connecting sleeve is sleeved on the inner fixing sleeve 12, the edge is lapped and arranged on the outer shell 2 and is sealed and fixed with the outer shell 2 through a plurality of outer fastening screws 10, the inner wall of the connecting sleeve 8 is correspondingly jointed and arranged on the outer side wall of the inner fixing sleeve 12, one side of the inner supporting ring 7 is provided with a splicing ring 15 spliced and arranged on the inner fixing sleeve 12, the splicing ring 15 is correspondingly jointed with the inner part of the inner fixing sleeve 12, the inner fixing sleeve 12 is provided with a plurality of communicating holes 13, the outer part of the splicing ring 15 is equiangularly provided with a plurality of communicating grooves 4, the communicating grooves 4 correspond to the communicating holes 13, the jointing surface of the connecting sleeve 8 and the inner fixing sleeve 12 is provided with an inner discharge groove 11 and is correspondingly communicated with the communicating grooves 4 through the communicating holes 13, the inner machine body 5 works to form airflow introduction, the large-diameter end of the inner fixing sleeve 12 is an air inlet side, one side of the connecting sleeve 8 is an air outlet, and a plurality of channel structures are formed by combining the inner supporting ring 7 and the inner fixing sleeve 12, cooperation intercommunicating pore 13, interior gas discharge groove carry out the direction of air current, guide to between interior fixed cover 12 and the shell body 2 in the interior fixed cover 12, form for the air current that fixed cover outer wall flows, through the flow of interior solid cover outside air current, form heat exchange to discharge along air channel 3, form the heat exchange diffusion of interior organism 5, avoid the heat to concentrate, form the explosion in the work of inflammable and explosive region, support frame 6 and the inside yielding rubber cover that is provided with of interior fixed cover 12 can form the buffering of interior fan work vibration, avoid the vibration to form the heat, interior organism 5 is located support frame 6 upper position, and interior fixed cover 12 is inside to be provided with a plurality of intercommunication grooves 4, and intercommunication groove 4 corresponds along axial extension setting, can form the derivation exchange of stranded air current, improves heat exchange efficiency, intercommunication groove 4 is the V to the structure, and corresponds the flaring and runs through interior fixed cover 12, shell body 2, airtight connection between interior fixed cover 12, the shell body 2, the air channel 3 that the intercommunication groove 4 lateral wall set up is semicircular structure, and is located intercommunication groove 4 top, is located intercommunication groove 4 both sides, forms and derives along the relative air current that the adapter sleeve sets up, the flaring sets up, the outer fixed cover 8 sets up the sealing ring 9 sets up in the sealing ring is arranged in the sealing ring 9 and the sealing ring is arranged in to the sealing ring. The aim of fluid explosion prevention of the airflow is achieved.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (7)
1. The utility model provides an explosion-proof axial fan, includes interior organism (5), outer heat dissipation casing, in outer heat dissipation casing was arranged in to interior organism (5) correspondence, outer heat dissipation casing was bilayer structure, including shell body (2), interior fixed cover (12), its characterized in that: the inner fixing sleeve (12), the end part of the outer shell (2) is connected, the inner fixing sleeve (12) is arranged in a diameter-variable manner, a communication groove (4) which penetrates along the radial direction is arranged at the connecting position of the outer shell (2) and the inner fixing sleeve (12), a ventilation groove (3) which is communicated with the outer shell (2) and the inner side wall of the inner fixing sleeve (12) is arranged on the side wall of the communication groove (4), the side wall of the outer shell (2) is arranged in a corrugated manner, the outer shell (2) is sleeved on a fixing ring (1), the fixing ring (1) is of a flange structure, a rubber sleeve is arranged between the fixing ring (1) and the outer shell (2), the inner machine body (5) is arranged in the inner fixing sleeve (12) through a support frame (6), blades are arranged on the inner machine body (5), a sealing structure is arranged between the outer shell (2) and the inner fixing sleeve (12), the sealing structure comprises a connecting sleeve (8) and an inner support ring (7), the connecting sleeve (8) is sleeved on the inner fixing sleeve (12), the edge of the inner fixing sleeve is overlapped on the outer shell (2), the outer sleeve (7) is arranged on the outer sleeve (12), the outer side wall of the inner fixing sleeve (15) and the inner fixing sleeve (12), the inner fixing sleeve (15) is arranged in a splicing manner, a plurality of communicating holes (13) are formed in the inner fixing sleeve (12), a plurality of communicating grooves (4) are formed in the outer portion of the inserting ring (15) at equal angles, the communicating grooves (4) correspond to the communicating holes (13), inner discharge grooves (11) are formed in the binding surfaces of the connecting sleeve (8) and the inner fixing sleeve (12), and the connecting sleeve and the communicating grooves (4) are correspondingly communicated through the communicating holes (13).
2. The explosion-proof axial flow fan according to claim 1, characterized in that: and damping rubber sleeves are arranged inside the support frame (6) and the inner fixing sleeve (12).
3. An explosion-proof axial flow fan according to claim 1, characterized in that: interior organism (5) are located support frame (6) position on the upper side, and interior fixed cover (12) are inside to be provided with a plurality of intercommunication grooves (4), and intercommunication groove (4) correspond and set up along axial extension.
4. The explosion-proof axial flow fan according to claim 1, characterized in that: the communicating groove (4) is of a V-direction structure and correspondingly penetrates through the inner fixing sleeve (12) and the outer shell (2), and the inner fixing sleeve (12) and the outer shell (2) are connected in a sealing mode.
5. An explosion-proof axial flow fan according to claim 1, characterized in that: the vent groove (3) arranged on the side wall of the communicating groove (4) is of a semicircular structure and is positioned at the top of the communicating groove (4).
6. An explosion-proof axial flow fan according to claim 1, characterized in that: the outer discharge groove arranged on the connecting sleeve (8) is of a flaring structure.
7. The explosion-proof axial flow fan according to claim 1, characterized in that: the connecting sleeve (8) and the inner fixing sleeve (12) are provided with sealing rings (9), and the sealing rings (9) are correspondingly embedded in the connecting sleeve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223208350.6U CN218760528U (en) | 2022-12-02 | 2022-12-02 | Explosion-proof axial fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223208350.6U CN218760528U (en) | 2022-12-02 | 2022-12-02 | Explosion-proof axial fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218760528U true CN218760528U (en) | 2023-03-28 |
Family
ID=85678582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223208350.6U Active CN218760528U (en) | 2022-12-02 | 2022-12-02 | Explosion-proof axial fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218760528U (en) |
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2022
- 2022-12-02 CN CN202223208350.6U patent/CN218760528U/en active Active
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