CN219529359U - Explosion-proof fan for petrochemical - Google Patents
Explosion-proof fan for petrochemical Download PDFInfo
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- CN219529359U CN219529359U CN202320539233.3U CN202320539233U CN219529359U CN 219529359 U CN219529359 U CN 219529359U CN 202320539233 U CN202320539233 U CN 202320539233U CN 219529359 U CN219529359 U CN 219529359U
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Abstract
The utility model discloses an explosion-proof fan for petrochemical industry, and relates to the technical field of explosion-proof fans. The fan comprises a fan body with an air inlet and an air outlet pipe, wherein a fixed cylinder surrounding the air inlet is arranged on the front side of the fan body, a connecting cover is detachably connected to the front side of the fixed cylinder, a filter screen is formed on the front side of the connecting cover, and an inserting ring inserted into the inner cavity of the fixed cylinder is arranged on one side, close to the fan body, of the connecting cover. The outer wall of the insert ring is uniformly provided with slots along the circumferential direction of the insert ring, the outer wall of the insert ring is also provided with limiting grooves communicated with the slots, and the inner wall of the fixed cylinder is uniformly provided with limiting blocks which can be inserted into the slots and move into the limiting grooves along the circumferential direction of the fixed cylinder. This petrochemical is with explosion-proof fan can intercept the great granule dust of quality through setting up the filter screen, avoids the dust to get into inside the fan, conveniently dismantle and install between filter screen and the fan simultaneously, be convenient for take off the filter screen and maintain to increase of service life thereof.
Description
Technical Field
The utility model relates to the technical field of explosion-proof fans, in particular to an explosion-proof fan for petrochemical industry.
Background
The explosion-proof fan is used in flammable and explosive gas places, and the motor for avoiding safety accidents caused by inflammable and explosive substances is firstly an explosion-proof motor, the explosion-proof fan is used in places with explosion hazards, the explosion-proof fan has the fan characteristics required by working conditions, the explosion-proof requirement is also required to be met, and secondly an overcurrent component of the explosion-proof fan is made of soft and hard materials, namely a rotary component and a fixed component are usually soft and hard, so that sparks caused by friction or collision between the components are prevented when faults occur, and the explosion-proof fan is widely applied to petrochemical industry.
The explosion-proof fan can not reach flammable combustion point through the improvement to spare part material when reaching the operation, has good explosion-proof characteristic, and in the in-process that explosion-proof fan used, can set up the filter screen in explosion-proof fan's air intake department generally, with dust particle filtration, current explosion-proof fan is when installing its filter screen, is usually through the bolt installation, and is comparatively troublesome when dismouting filter screen.
Disclosure of Invention
The utility model provides an explosion-proof fan for petrochemical industry, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an explosion-proof fan for petrochemical, includes the fan body that has air intake and play tuber pipe, the front side of fan body is equipped with the fixed section of thick bamboo that encloses its air intake and covers, the front side of fixed section of thick bamboo can be dismantled and be connected with the connecting cover, the front side of connecting the cover is formed with the filter screen, one side that the fan body was pressed close to the connecting cover is equipped with the inserted ring that inserts fixed section of thick bamboo inner chamber.
Further, the outer wall of the insert ring is uniformly provided with slots along the circumferential direction of the insert ring, the outer wall of the insert ring is also provided with limiting grooves communicated with the slots, and the inner wall of the fixed cylinder is uniformly provided with limiting blocks which can be inserted into the slots and move into the limiting grooves along the circumferential direction of the fixed cylinder.
Further, one side of the connecting cover, which is close to the fan body, is provided with an annular rubber pad with the radius larger than the radius of the outer wall of the insert ring.
Further, one side integrated into one piece that the stopper pressed close to the junction cover has the fixture block, the draw-in groove with fixture block matching joint is seted up to one side inner wall that the spacing groove kept away from the fan body.
Further, a fixing mechanism is arranged between the connecting cover and the fixing cylinder.
Further, fixed establishment includes connecting rod, snap ring and fixed column, the outer wall of connecting the lid evenly is equipped with the connecting rod along its circumference, connecting rod integrated into one piece has the snap ring that is the C shape, the front side of fixed cylinder evenly is equipped with the fixed column that can block into the snap ring inner chamber.
Compared with the prior art, the utility model provides an explosion-proof fan for petrochemical industry, which has the following beneficial effects: this petrochemical is with explosion-proof fan can intercept the great granule dust of quality through setting up the filter screen, avoids the dust to get into inside the fan, conveniently dismantle and install between filter screen and the fan simultaneously, be convenient for take off the filter screen and maintain to increase of service life thereof.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a split structure of the present utility model;
FIG. 3 is an enlarged schematic view of the utility model at A in FIG. 2;
fig. 4 is an enlarged schematic view of the utility model at B in fig. 1.
In the figure: 1. a fan body; 2. a fixed cylinder; 3. a connection cover; 4. a filter screen; 5. inserting a ring; 6. a slot; 7. a limit groove; 8. a limiting block; 9. a clamping block; 10. a clamping groove; 11. a rubber pad; 12. a connecting rod; 13. a clasp; 14. and fixing the column.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the utility model discloses an explosion-proof fan for petrochemical industry, which comprises a fan body 1 with an air inlet and an air outlet pipe, wherein a fixed cylinder 2 surrounding the air inlet of the fan body 1 is arranged on the front side of the fan body 1, a connecting cover 3 is detachably connected to the front side of the fixed cylinder 2, a filter screen 4 is formed on the front side of the connecting cover 3, and an inserting ring 5 inserted into the inner cavity of the fixed cylinder 2 is arranged on one side, close to the fan body 1, of the connecting cover 3.
Specifically, slot 6 has evenly been seted up along its circumference to the outer wall of inserting ring 5, the spacing groove 7 with slot 6 intercommunication has still been seted up to the outer wall of inserting ring 5, the inner wall of fixed section of thick bamboo 2 evenly is equipped with along its circumference and can inserts slot 6 in and move to the stopper 8 in the spacing groove 7.
In this embodiment, when the slot 6 of the connection cover 3 aligns with the stopper 8 and inserts the insert ring 5 into the inner cavity of the fixed barrel 2, the stopper 8 will be inserted into the slot 6, and then the rotation connection cover 3 drives the insert ring 5 to rotate, so that the stopper 8 is located in the limit groove 7.
Specifically, the side of the connecting cover 3 close to the fan body 1 is provided with an annular rubber pad 11 with the radius larger than the radius of the outer wall of the insertion ring 5.
In this embodiment, the rubber pad 11 is provided to give an elastic force to the connection cover 3, so that the stopper 8 is attached to the inner wall of the limit groove 7 and is not easy to slide.
Specifically, the stopper 8 is pressed close to one side integrated into one piece of connecting lid 3 and is had fixture block 9, the draw-in groove 10 with fixture block 9 matching joint has been seted up to the inner wall of one side that the spacing groove 7 kept away from fan body 1.
In this embodiment, the cooperation of the clamping block 9 and the clamping groove 10 can promote the relative stability of the limiting block 8 when being positioned in the limiting groove 7, so that the limiting block is not easy to slide in the limiting groove 7.
Specifically, a fixing mechanism is arranged between the connecting cover 3 and the fixing cylinder 2.
The fixed establishment includes connecting rod 12, snap ring 13 and fixed column 14, the outer wall of connecting cover 3 evenly is equipped with connecting rod 12 along its circumference, connecting rod 12 an organic whole is connected with and is the snap ring 13 of C shape, the front side of fixed section of thick bamboo 2 evenly is equipped with the fixed column 14 that can block into the snap ring 13 inner chamber.
In this embodiment, snap ring 13 adopts the elastic metal material to make, the diameter that fan body 1 one side was kept away from to fixed column 14 is greater than the diameter that it pressed close to fan body 1 one side, when connecting lid 3 and fixed section of thick bamboo 2 are opened and are made the connection, connecting lid 3 receives the effort to fan body 1 direction, rubber pad 11 is compressed, the breach of C shape snap ring 13 is convenient for the card of fixed column 14 is gone into this moment, when connecting lid 3 no longer receives external force, rubber pad 11 is restored, at this moment snap ring 13 can take place certain skew for the position of fixed column 14 for the great part of fixed column 14 diameter is located the breach department of snap ring 13, can avoid fixed column 14 to break away from snap ring 13.
To sum up, this petrochemical is with explosion-proof fan can intercept the great granule dust of quality through setting up filter screen 4, avoids the dust to get into inside the fan, conveniently dismantle and install between filter screen 4 and the fan simultaneously, be convenient for take off filter screen 4 and maintain to prolong its life.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an explosion-proof fan for petrochemical, includes fan body (1) that has air intake and play tuber pipe, its characterized in that: the fan comprises a fan body (1), and is characterized in that a fixed cylinder (2) surrounding an air inlet of the fan body is arranged on the front side of the fan body (1), a connecting cover (3) is detachably connected to the front side of the fixed cylinder (2), a filter screen (4) is formed on the front side of the connecting cover (3), and an inserting ring (5) inserted into the inner cavity of the fixed cylinder (2) is arranged on one side, close to the fan body (1), of the connecting cover (3).
2. The explosion-proof fan for petrochemical industry according to claim 1, wherein: the outer wall of insert ring (5) has evenly offered slot (6) along its circumference, insert ring (5) outer wall still offered spacing groove (7) with slot (6) intercommunication, the inner wall of fixed section of thick bamboo (2) evenly is equipped with stopper (8) in can inserting slot (6) and activity to spacing groove (7) along its circumference.
3. The explosion-proof fan for petrochemical industry according to claim 2, wherein: one side of the connecting cover (3) close to the fan body (1) is provided with an annular rubber pad (11) with the radius larger than that of the outer wall of the inserting ring (5).
4. The explosion-proof fan for petrochemical industry according to claim 2, wherein: one side integrated into one piece that is close to connecting lid (3) of stopper (8) has fixture block (9), draw-in groove (10) with fixture block (9) matching joint are seted up to one side inner wall that fan body (1) was kept away from to spacing groove (7).
5. The explosion-proof fan for petrochemical industry according to claim 2, wherein: a fixing mechanism is arranged between the connecting cover (3) and the fixing cylinder (2).
6. The petrochemical explosion-proof fan according to claim 5, wherein: the fixing mechanism comprises a connecting rod (12), a clamping ring (13) and fixing columns (14), wherein the connecting rod (12) is uniformly arranged on the outer wall of the connecting cover (3) along the circumferential direction of the connecting rod, the clamping ring (13) which is in a C shape is integrally connected with the connecting rod (12), and the fixing columns (14) which can be clamped into the inner cavity of the clamping ring (13) are uniformly arranged on the front side of the fixing cylinder (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320539233.3U CN219529359U (en) | 2023-03-13 | 2023-03-13 | Explosion-proof fan for petrochemical |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320539233.3U CN219529359U (en) | 2023-03-13 | 2023-03-13 | Explosion-proof fan for petrochemical |
Publications (1)
Publication Number | Publication Date |
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CN219529359U true CN219529359U (en) | 2023-08-15 |
Family
ID=87645705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202320539233.3U Active CN219529359U (en) | 2023-03-13 | 2023-03-13 | Explosion-proof fan for petrochemical |
Country Status (1)
Country | Link |
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CN (1) | CN219529359U (en) |
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2023
- 2023-03-13 CN CN202320539233.3U patent/CN219529359U/en active Active
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