CN212744422U - Jet fan convenient to maintain and repair - Google Patents
Jet fan convenient to maintain and repair Download PDFInfo
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- CN212744422U CN212744422U CN202021407693.3U CN202021407693U CN212744422U CN 212744422 U CN212744422 U CN 212744422U CN 202021407693 U CN202021407693 U CN 202021407693U CN 212744422 U CN212744422 U CN 212744422U
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Abstract
The utility model relates to the technical field of fans, and discloses a conveniently maintain jet fan, including the dryer, the middle part shaping of dryer has a semicircle opening, and the left end and the right-hand member of semicircle opening are respectively shaped and have the first connecting plate of outside arch, and the semicircle opening cup joints the lift seat rather than matched with in, and the lift seat includes the semicircle arc board, and the both ends of semicircle arc board are shaped respectively has the second connecting plate, and two second connecting plate plug bushes are between two first connecting plates, pass through detachable screw fixed connection between first connecting plate and the second connecting plate; and a motor and an impeller are arranged above the semicircular arc plate, the impeller is fixed on a motor shaft of the motor, and the motor is fixed on the semicircular arc plate through a motor support. A gap is formed in the middle of the air duct, and a lifting seat which can lift and is used for mounting components such as a motor and an impeller is mounted in the gap, so that the maintenance and repair work of workers on the fan is facilitated.
Description
The technical field is as follows:
the utility model relates to a fan technical field, concretely relates to conveniently maintain jet fan of maintenance.
Background art:
in a subway tunnel, in order to discharge waste gases such as carbon dioxide and sulfur dioxide in the tunnel and introduce external fresh air, a plurality of jet flow discharge fans are generally required to be sequentially installed on the top wall of the tunnel for ventilation. The main components (motor, impeller, etc.) of the jet fan are generally arranged in the middle of the air duct. Because dryer formula structure as an organic whole, and dryer length and narrow, when parts such as motor or impeller need maintenance or maintain, the staff hardly direct contact need the part of maintenance and maintain and carry out maintenance work to it.
The utility model has the following contents:
the utility model aims at overcoming prior art's is not enough, provides a conveniently maintain jet fan of maintenance, and it is through offering the opening at the dryer middle part to install the liftable be used for installing the lift seat of parts such as motor, impeller in the opening, thereby make things convenient for the maintenance work of staff to the fan.
The utility model provides a technical problem's scheme is:
a jet fan convenient for maintenance and repair comprises an air duct, wherein the air duct is fixed on two support frames arranged on the left and right, and the support frames are fixed on a top wall; a semicircular opening is formed in the middle of the air duct, first connecting plates protruding outwards are formed at the left end and the right end of the semicircular opening respectively,
the lifting seat is sleeved in the semicircular opening and matched with the semicircular opening, the lifting seat comprises a semicircular arc plate, second connecting plates are respectively formed at two ends of the semicircular arc plate, the two second connecting plates are inserted between the two first connecting plates, and the first connecting plates and the second connecting plates are fixedly connected through detachable screws;
and a motor and an impeller are arranged above the semicircular arc plate, the impeller is fixed on a motor shaft of the motor, and the motor is fixed on the semicircular arc plate through a motor support.
Two waist-shaped long grooves which are arranged in front and back are formed in the first connecting plate;
four corners of the upper end face of the semicircular arc plate are respectively fixed with an upward convex support arm, the upper end of each support arm is fixed with a waist-shaped block, and the waist-shaped block is inserted and sleeved at the upper end of the waist-shaped long groove.
The distance of the downward sliding of the waist-shaped block in the waist-shaped long groove is more than one and a half times of the radius of the air duct.
The middle part of the semicircular arc plate is fixed with two support lugs arranged front and back, a guide rod vertically arranged is fixed on the support lug on the rear side, the guide rod is inserted in a guide sleeve, the upper end of the guide sleeve is fixed at one end of a support plate, the support plate is fixedly connected with a top wall, a long screw rod vertically arranged is fixed at the other end of the support plate, a long threaded pipe is screwed on the long screw rod, and the lower end of the long threaded pipe is rotatably connected to the support lug on the front side.
The external profile of the long threaded pipe is hexagonal prism.
And a stop block is fixed at the lower extending end of the long threaded pipe penetrating through the support lug on the front side.
The utility model discloses an outstanding effect is:
compared with the prior art, the fan barrel has the advantages that the middle of the air barrel is provided with the opening, and the lifting seat which can lift and is used for mounting components such as the motor and the impeller is mounted in the opening, so that the maintenance and repair work of workers on the fan is facilitated.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a first cross-sectional view of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 is a second cross-sectional view of the present invention;
fig. 5 is a schematic structural view of the air duct of the present invention;
fig. 6 is a schematic structural view of the lifting seat of the present invention.
The specific implementation mode is as follows:
in the embodiment, as shown in fig. 1 to 6, a jet fan convenient for maintenance and repair comprises an air duct 1, wherein the air duct 1 is fixed on two support frames 2 arranged on the left and right, and the support frames 2 are fixed on a top wall; a semicircular opening 11 is formed in the middle of the air duct 1, first connecting plates 12 protruding outwards are respectively formed at the left end and the right end of the semicircular opening 11,
the lifting seat 3 matched with the semicircular notch 11 is sleeved in the semicircular notch 11, the lifting seat 3 comprises a semicircular arc plate 31, second connecting plates 32 are respectively formed at two ends of the semicircular arc plate 31, the two second connecting plates 32 are inserted and sleeved between the two first connecting plates 12, and the first connecting plates 12 and the second connecting plates 32 are fixedly connected through detachable screws 4;
a motor 51 and an impeller 52 are arranged above the semicircular arc plate 31, the impeller 52 is fixed on a motor shaft of the motor 51, and the motor 51 is fixed on the semicircular arc plate 31 through a motor bracket 53.
Furthermore, two waist-shaped long grooves 13 arranged in front and back are formed on the first connecting plate 12;
four corners of the upper end surface of the semicircular plate 31 are respectively fixed with an upward convex support arm 33, the upper end of the support arm 33 is fixed with a waist-shaped block 34, and the waist-shaped block 34 is inserted and sleeved at the upper end of the waist-shaped long groove 13.
More specifically, the distance of the waist-shaped block 34 sliding downwards in the waist-shaped long groove 13 is more than one and a half times of the radius of the air duct 1.
Furthermore, two support lugs 35 arranged in the front and back are fixed in the middle of the semicircular plate 31, a vertically arranged guide rod 61 is fixed on the support lug 35 on the rear side, the guide rod 61 is inserted in a guide sleeve 62, the upper end of the guide sleeve 62 is fixed at one end of a support plate 63, the support plate 63 is fixedly connected with a top wall, a vertically arranged long screw 64 is fixed at the other end of the support plate 63, a long threaded pipe 65 is screwed on the long screw 64, and the lower end of the long threaded pipe 65 is rotatably connected to the support lug 35 on the front side.
Further, the external profile of the long threaded tube 65 is hexagonal prism.
Further, a stopper 66 is fixed to the lower protruding end of the long threaded pipe 65 passing through the front lug 35.
The working principle is as follows: when maintenance is required, the screws 4 for fixing the first connecting plate 12 and the second connecting plate 32 are unscrewed; then, the long threaded pipe 65 is rotated, the long threaded pipe 65 moves downwards under the action of the long screw 64, the lifting seat 3 moves downwards to be separated from the semicircular notch 11 of the air duct 1 under the action of the self gravity of the lifting seat 3 and the downward pushing action of the long threaded pipe 65, the lifting seat 3 drives the motor 51, the impeller 52 and other parts to move downwards, and at the moment, the motor and the impeller are exposed out of the air duct 1, so that the maintenance and the repair of the fan are facilitated.
Finally, the above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant 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 protection scope of the present invention should be defined by the claims.
Claims (6)
1. The utility model provides a conveniently maintain jet fan of maintenance, includes dryer (1), its characterized in that: the air duct (1) is fixed on two support frames (2) arranged on the left and right, and the support frames (2) are fixed on the top wall; a semi-circular opening (11) is formed in the middle of the air duct (1), first connecting plates (12) protruding outwards are formed at the left end and the right end of the semi-circular opening (11) respectively,
the lifting seat (3) matched with the semicircular opening (11) is sleeved in the semicircular opening, the lifting seat (3) comprises a semicircular arc plate (31), second connecting plates (32) are respectively formed at two ends of the semicircular arc plate (31), the two second connecting plates (32) are inserted and sleeved between the two first connecting plates (12), and the first connecting plates (12) and the second connecting plates (32) are fixedly connected through detachable screws (4);
a motor (51) and an impeller (52) are arranged above the semicircular arc plate (31), the impeller (52) is fixed on a motor shaft of the motor (51), and the motor (51) is fixed on the semicircular arc plate (31) through a motor support (53).
2. The jet fan convenient for maintenance and repair according to claim 1, characterized in that: two waist-shaped long grooves (13) which are arranged in front and back are formed in the first connecting plate (12);
four corners of the upper end surface of the semicircular arc plate (31) are respectively fixed with an upward convex support arm (33), the upper end of each support arm (33) is fixed with a waist-shaped block (34), and the waist-shaped block (34) is inserted and sleeved at the upper end of the waist-shaped long groove (13).
3. The jet fan convenient for maintenance and repair according to claim 2, characterized in that: the distance of the downward sliding of the waist-shaped block (34) in the waist-shaped long groove (13) is more than one and a half times of the radius of the air duct (1).
4. The jet fan convenient for maintenance and repair according to claim 1, characterized in that: the middle part of semicircle arc board (31) is fixed with journal stirrup (35) that two set up around, be fixed with guide bar (61) of vertical setting on journal stirrup (35) of rear side, guide bar (61) plug bush is at guide sleeve (62), the one end in backup pad (63) is fixed to the upper end of guide sleeve (62), backup pad (63) and headwall fixed connection, the other end of backup pad (63) is fixed with long screw rod (64) of vertical setting, long screw rod (64) spiro union has long screwed pipe (65), the lower extreme of long screwed pipe (65) is rotated and is connected on journal stirrup (35) of front side.
5. The jet fan convenient for maintenance and repair according to claim 4, characterized in that: the external profile of the long threaded pipe (65) is hexagonal prism.
6. The jet fan convenient for maintenance and repair according to claim 4, characterized in that: and a stop block (66) is fixed at the lower extending end of the long threaded pipe (65) passing through the support lug (35) at the front side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407693.3U CN212744422U (en) | 2020-07-17 | 2020-07-17 | Jet fan convenient to maintain and repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021407693.3U CN212744422U (en) | 2020-07-17 | 2020-07-17 | Jet fan convenient to maintain and repair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212744422U true CN212744422U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021407693.3U Active CN212744422U (en) | 2020-07-17 | 2020-07-17 | Jet fan convenient to maintain and repair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212744422U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922838A (en) * | 2022-06-24 | 2022-08-19 | 浙江鹏阳风机有限公司 | Papermaking of two air outlets is with energy-efficient fan |
-
2020
- 2020-07-17 CN CN202021407693.3U patent/CN212744422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922838A (en) * | 2022-06-24 | 2022-08-19 | 浙江鹏阳风机有限公司 | Papermaking of two air outlets is with energy-efficient fan |
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