CN213839039U - Mounting structure of backward-tilting centrifugal fan - Google Patents
Mounting structure of backward-tilting centrifugal fan Download PDFInfo
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- CN213839039U CN213839039U CN202022767481.2U CN202022767481U CN213839039U CN 213839039 U CN213839039 U CN 213839039U CN 202022767481 U CN202022767481 U CN 202022767481U CN 213839039 U CN213839039 U CN 213839039U
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Abstract
The utility model discloses an installation structure of a back-tilting centrifugal fan, which comprises a centrifugal fan body, wherein an extension plate is arranged on the side surface of the centrifugal fan body, installation blocks are arranged at the upper end and the lower end of the side surface of the centrifugal fan body, grooves are formed at the upper end and the lower end of one side of the extension plate close to the centrifugal fan body, a moving groove is formed in the surface of the installation block, a movable block is arranged in the moving groove, a movable groove is formed in the surface of the moving groove, and a fixed rod is arranged at one side of the movable block close to the movable groove; has the advantages that: the device pegs graft the spacing groove on the extension board with a spacing section of thick bamboo on the centrifugal fan body, realizes the installation location to the centrifugal fan body, and installation piece and recess from top to bottom match each other this moment, and under compression spring's elastic deformation, the movable block joint is in the fixed slot under the removal of gyro wheel, realizes the installation to the centrifugal fan body for the installation and the dismantlement of centrifugal fan body are simpler, are convenient for detect the maintenance of centrifugal fan body.
Description
Technical Field
The utility model relates to a centrifugal fan's technical field specifically is a hypsokinesis formula centrifugal fan's mounting structure.
Background
Centrifugal fans are machines that rely on input mechanical energy to increase gas pressure and discharge gas. At present, centrifugal fan is more and more extensive in the industry application, and it has the using-way flexibility, can convulsions also can blow, and efficient, low power dissipation, noise low grade advantage. The centrifugal fan can be divided into a forward tilting type, a backward tilting type and a radial type according to the structure of the blade. The case where the exit angle is less than 90 degrees is called a back-tilt type. The backward inclined centrifugal fan consists of a guide ring, a rotor blade, a stator motor and the like. The rotor blade and the stator motor of the backward tilting centrifugal fan are installed together, and the guide ring is used for ensuring that air flow uniformly enters the rotor blade so as to reduce aerodynamic noise generated by the air flow.
Among the prior art, hypsokinesis formula centrifugal fan's installation space and position limit in the condition of innate, and adopt the mode of fix with screw, will need more operating space, and then the installation of equipment becomes relatively difficult with the dismantlement, leads to the maintenance to detect and brings the puzzlement, for this reason the utility model provides a hypsokinesis formula centrifugal fan's mounting structure is used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hypsokinesis formula centrifugal fan's mounting structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hypsokinesis formula centrifugal fan's mounting structure, includes the centrifugal fan body, the side of centrifugal fan body is provided with the extension board, both ends all are provided with the installation piece about the side of centrifugal fan body, both ends all set up flutedly about one side that the extension board is close to the centrifugal fan body, the shifting chute has been seted up on the surface of installation piece, be provided with the movable block in the shifting chute, the surface of shifting chute is provided with the movable groove, one side that the movable block is close to the movable groove is provided with the dead lever, one side of dead lever is provided with the rack, the outside of extension board is provided with the dwang, the surface of recess is provided with the fixed slot.
Preferably, the groove is matched with the mounting block, a limiting groove is formed in the center of the support plate, a limiting cylinder is arranged in the middle of the side face of the centrifugal fan body, and the limiting cylinder is matched with the limiting groove.
Preferably, the two sides of the movable block are provided with rollers through rotating shafts, and the rollers are tightly attached to the surfaces of the moving grooves.
Preferably, the surface of the moving groove is provided with a compression spring, the fixed rod is matched with the moving groove, one side of the moving block, which is far away from the moving groove, is provided with a buffer gasket, and the buffer gasket is of a rubber layer structure.
Preferably, the dwang is "L" type structure, the dwang runs through the extension board and extends to the installation piece and be provided with the gear, intermeshing between gear and the rack.
Preferably, the fixed groove and the moving groove are matched with each other, and the depth of the fixed groove is smaller than that of the moving groove.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the device is close to the spacing groove on the extension board of grafting on the extension board through the extension board about both ends all set up flutedly, the shifting chute has been seted up on the surface of installation piece, be provided with the movable block in the shifting chute, the spacing groove on the extension board is pegged graft to a spacing section of thick bamboo on the centrifugal fan body, realize the installation location to the centrifugal fan body, installation piece and recess from top to bottom match each other this moment, under compression spring's elastic deformation, the movable block joint is in the fixed slot under the removal of gyro wheel, the installation to the centrifugal fan body is realized, make the installation and the dismantlement of centrifugal fan body simpler, be convenient for detect the maintenance of centrifugal fan body.
2. The device is provided with the dead lever through one side that the movable block is close to the movable groove, and one side of dead lever is provided with the rack, and the outside of extension board is provided with the dwang, and the surface of recess is provided with the fixed slot, utilizes the rotation of dwang, and the gear on the dwang drives the dead lever and removes to keeping away from the fixed slot direction to the movable block breaks away from the fixed slot, realizes the dismantlement to the centrifugal fan body.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the connection between the centrifugal fan body and the support plate;
fig. 3 is an enlarged schematic structural view at a position a of the present invention;
fig. 4 is a side view of the present invention between the gear and the rack.
In the figure: a centrifugal fan body 1; a support plate 2; a limit groove 21; a limiting cylinder 22; a mounting block 3; a moving groove 31; a compression spring 32; a groove 4; a movable block 5; a roller 51; a fixing lever 52; a rack 53; a cushion pad 54; a movable groove 6; rotating the rod 7; a gear 71; and a fixing groove 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a hypsokinesis formula centrifugal fan's mounting structure, includes centrifugal fan body 1, and the side of centrifugal fan body 1 is provided with extension board 2, and the outside of centrifugal fan body 1 is the spiral case, and spacing groove 21 has been seted up to center department on extension board 2, is provided with spacing section of thick bamboo 22 in the middle of the side of centrifugal fan body 1, matches each other between spacing section of thick bamboo 22 and the spacing groove 21, realizes the installation location to centrifugal fan body 1.
The upper end and the lower end of the side surface of a centrifugal fan body 1 are welded with mounting blocks 3, the upper end and the lower end of one side of a support plate 2 close to the centrifugal fan body 1 are provided with grooves 4, the grooves 4 are matched with the mounting blocks 3, the surface of the mounting blocks 3 is provided with a moving groove 31, the surface of the moving groove 31 is fixedly connected with a compression spring 32, a moving block 5 is movably connected in the moving groove 31, two sides of the moving block 5 are rotatably connected with idler wheels 51 through rotating shafts, the idler wheels 51 are tightly attached to the surface of the moving groove 31 to realize the limiting movement of the moving block 5, the surface of the moving groove 31 is provided with a moving groove 6, one side of the moving block 5 close to the moving groove 6 is welded with a fixed rod 52, the fixed rod 52 is matched with the moving groove 6, one side of the fixed rod 52 is welded with a rack 53, one side of the moving block 5 far away from the moving groove 6 is bonded with a buffer gasket 54, and the buffer gasket 54 is of a rubber layer structure, the cushion pad 54 cushions the movable block 5 when it is fixed.
The outside swing joint of extension board 2 has dwang 7, and dwang 7 is "L" type structure, and dwang 7 runs through extension board 2 and extends to installation piece 3 welding and have gear 71, intermeshing between gear 71 and the rack 53, and gear 71 and dwang 7 have sufficient space to break away from installation piece 3, and fixed slot 8 has been seted up on the surface of recess 4, matches each other between fixed slot 8 and the shifting chute 31, and the degree of depth is less than the degree of depth of shifting chute 31.
The working principle is as follows: during actual use, the device is provided with grooves 4 at the upper end and the lower end of one side, close to a centrifugal fan body 1, of a support plate 2, moving grooves 31 are formed in the surface of an installation block 3, compression springs 32 are fixedly connected to the surface of the moving grooves 31, movable blocks 5 are movably connected in the moving grooves 31, two sides of each movable block 5 are rotatably connected with idler wheels 51 through rotating shafts, limiting cylinders 22 on the centrifugal fan body 1 are inserted into limiting grooves 21 on the support plate 2, installation and positioning of the centrifugal fan body 1 are achieved, the upper installation block 3 and the lower installation block 3 are matched with the grooves 4 at the moment, under elastic deformation of the compression springs 32, the movable blocks 5 are clamped in fixing grooves 8 under movement of the idler wheels 51, and installation of the centrifugal fan body 1 is achieved, so that installation and disassembly of the centrifugal fan body 1 are simpler, and maintenance and detection of the centrifugal fan body 1 are facilitated; one side welding that is close to movable groove 6 through movable block 5 has dead lever 52, one side welding of dead lever 52 has rack 53, the outside swing joint of extension board 2 has dwang 7, dwang 7 runs through extension board 2 and extends to installation piece 3 welding and has gear 71, fixed slot 8 has been seted up on the surface of recess 4, utilize the rotation of dwang 7, gear 71 on the dwang 7 drives dead lever 52 and removes to keeping away from fixed slot 8 direction, thereby movable block 5 breaks away from fixed slot 8, realize the dismantlement to centrifugal fan body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a hypsokinesis formula centrifugal fan's mounting structure, includes centrifugal fan body (1), its characterized in that: the side of centrifugal fan body (1) is provided with extension board (2), both ends all are provided with installation piece (3) about the side of centrifugal fan body (1), both ends all are seted up fluted (4) about one side that extension board (2) are close to centrifugal fan body (1), shifting chute (31) have been seted up on the surface of installation piece (3), be provided with movable block (5) in shifting chute (31), the surface of shifting chute (31) is provided with movable groove (6), one side that movable block (5) are close to movable groove (6) is provided with dead lever (52), one side of dead lever (52) is provided with rack (53), the outside of extension board (2) is provided with dwang (7), the surface of recess (4) is provided with fixed slot (8).
2. The mounting structure of a backward inclined centrifugal fan according to claim 1, wherein: the centrifugal fan is characterized in that the groove (4) and the mounting block (3) are matched with each other, a limiting groove (21) is formed in the center of the supporting plate (2), a limiting barrel (22) is arranged in the middle of the side face of the centrifugal fan body (1), and the limiting barrel (22) and the limiting groove (21) are matched with each other.
3. The mounting structure of a backward inclined centrifugal fan according to claim 1, wherein: both sides of the movable block (5) are provided with rollers (51) through rotating shafts, and the rollers (51) are tightly attached to the surface of the movable groove (31).
4. The mounting structure of a backward inclined centrifugal fan according to claim 1, wherein: the surface of the moving groove (31) is provided with a compression spring (32), the fixed rod (52) is matched with the moving groove (6), one side of the moving block (5), which is far away from the moving groove (6), is provided with a buffer gasket (54), and the buffer gasket (54) is of a rubber layer structure.
5. The mounting structure of a backward inclined centrifugal fan according to claim 1, wherein: dwang (7) are "L" type structure, dwang (7) run through extension board (2) and extend to installation piece (3) and be provided with gear (71), intermeshing between gear (71) and rack (53).
6. The mounting structure of a backward inclined centrifugal fan according to claim 1, wherein: the fixed groove (8) and the moving groove (31) are matched with each other, and the depth of the fixed groove is smaller than that of the moving groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022767481.2U CN213839039U (en) | 2020-11-26 | 2020-11-26 | Mounting structure of backward-tilting centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022767481.2U CN213839039U (en) | 2020-11-26 | 2020-11-26 | Mounting structure of backward-tilting centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839039U true CN213839039U (en) | 2021-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022767481.2U Active CN213839039U (en) | 2020-11-26 | 2020-11-26 | Mounting structure of backward-tilting centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839039U (en) |
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2020
- 2020-11-26 CN CN202022767481.2U patent/CN213839039U/en active Active
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