CN220646287U - Double-air-inlet embedded centrifugal impeller - Google Patents

Abstract

The utility model relates to a field of air cushion ship fan specifically discloses a double air inlet chimeric centrifugal impeller, and it includes rotor plate and rotating vane, and a plurality of jack-in grooves have been seted up along circumference array to the rotor plate, and the joint groove has been seted up to rotating vane one end, and the joint groove cooperates with the jack-in groove pegging graft each other, and rotor plate both sides all are provided with the locking plate that is used for fixed rotating vane, and the locking plate is used for driving the joint groove diapire to being close to the jack-in groove diapire and removes. The application has the advantages of reducing the deformation of the centrifugal impeller structure and improving the working effect of using the centrifugal fan.

Description

Double-air-inlet embedded centrifugal impeller

Technical Field

The application relates to the field of air cushion ship fans, in particular to a double-air-inlet embedded centrifugal impeller.

Background

At present, the air cushion ship forms an air cushion between the bottom of the ship and the water surface or the ground by utilizing high-pressure air, so that all or part of the ship body is lifted, the resistance of the ship body during sailing is greatly reduced, and the ship sailing at high speed is realized. The hovercraft can also travel very slowly, hovering over the water surface.

In the related art, a centrifugal fan comprises a centrifugal body, a centrifugal cavity is formed in the centrifugal body, a centrifugal impeller is connected in the centrifugal body in a rotating mode, a driving piece for driving the centrifugal impeller to rotate is arranged at one end of the centrifugal body, the centrifugal impeller is composed of a rotating piece and a plurality of centrifugal blades welded and fixed on one side of the rotating piece, and the purpose of extracting air is achieved through rotation of the centrifugal blades.

Aiming at the technology, the centrifugal blade in the related art is fixed on the rotating plate through welding, the rotating plate and the centrifugal blade are made of steel generally, and larger heat is generated during welding, so that the centrifugal blade and the rotating plate are deformed at a welding position to influence the working effect of the centrifugal fan, and improvement is needed.

Disclosure of Invention

In order to reduce the deformation of the centrifugal impeller structure and improve the working effect of using a centrifugal fan, the application provides a double-inlet embedded centrifugal impeller.

The application provides a double air inlet embedded centrifugal impeller adopts following technical scheme:

the utility model provides a double air inlet embedded centrifugal impeller, includes rotor blade and rotary vane, a plurality of grafting grooves have been seted up along the circumference array to the rotor blade, the joint groove has been seted up to rotary vane one end, the joint groove with the mutual grafting cooperation of grafting groove, the rotor blade both sides all are provided with and are used for fixing rotary vane's locking plate, the locking plate is used for driving the joint groove diapire to be close to the grafting tank bottom wall removes.

Through adopting above-mentioned technical scheme, during the use, through spliced groove and joint groove cooperation to realize that rotor and rotating vane's joint is fixed, the locking plate is used in the cooperation again, thereby makes joint tank bottom wall butt in spliced groove diapire, thereby reaches fixed rotating vane's effect, through the removal of spliced groove restriction rotating vane, compared prior art relatively, thereby reduced rotor and rotating vane's deformation, ensured centrifugal impeller's work effect.

Optionally, both ends of the rotating blade are all fixed with limit baffles, both ends of the rotating blade are all provided with positioning inserting blocks, the positioning inserting blocks are provided with positioning inserting grooves which are matched with the limit baffles in an inserting manner, the positioning inserting blocks are provided with fixing blocks for locking the limit baffles, and the limit baffles are provided with air inlets in a penetrating manner.

Through adopting above-mentioned technical scheme, use limit baffle can fix rotating vane's position better, reduce rotating vane and take place deformation, improve the stability of using rotating vane.

Optionally, the width of the rotating blade gradually decreases along the radial outward direction, and the limit baffles are obliquely arranged on two sides of the rotating blade and are obliquely arranged close to the rotating blade along the radial outward direction.

Through adopting above-mentioned technical scheme, use limit baffle that the slope set up to can make the space that the air flows reduce gradually, thereby can be used for cutting the area of wind great in the position that is close to the center, thereby the collection wind that can be better reduces the space gradually again, can increase the effect of wind pressure, improves the effect of using centrifugal impeller to exhaust.

Optionally, a reinforcing ring is disposed on a side of the limit baffle, which is far away from the rotating plate, and the reinforcing ring is disposed at the opening position of the air inlet.

Through adopting above-mentioned technical scheme, use the strengthening ring can strengthen limit baffle's intensity better, reduce limit baffle's deformation, improve fixed rotating vane's stability.

Optionally, the one end that the rotating vane is close to the locking plate is provided with the aviation baffle, the aviation baffle in the both sides of rotating the piece are formed with and cut the wind extension board, it is separated from to cut wind extension board one side of rotating vane is formed with the transition inclined plane, the transition inclined plane is along keeping away from the direction of rotating the piece is radially outwards inclined setting.

Through adopting above-mentioned technical scheme, set up the cutting area that the aviation baffle can increase with the air, and with the air inlet relatively to can extract the air more high-efficient, improve the work effect who uses centrifugal impeller.

Optionally, the two locking plates are connected to the rotating plate by bolts, and locking grooves matched with the wind cutting support plates in an inserting manner are formed in the locking plates.

Through adopting above-mentioned technical scheme, use the position of locking groove restriction locking plate and rotating vane, improve rotating vane's stability of use, when the in-process of bolt screwing the locking piece, locking groove bottom butt is on the transition inclined plane to can drive rotating vane locking better, improve the firmness that uses rotating vane.

Optionally, the mounting hole has been seted up on the rotor piece, rotor piece both sides all be provided with mounting hole grafting complex collar, two the collar grafting cooperation, it has locking bolt to peg graft on the collar, locking bolt runs through two the collar with the locking plate.

Through adopting above-mentioned technical scheme, use the collar can be more convenient be connected with outside driving piece, the locking bolt is used in the cooperation again, can initially fix the locking plate, improves the fixed stability of locking plate.

Optionally, limiting arc grooves are formed in two sides of the rotating piece, and the limiting arc grooves are matched with the clamping grooves in a clamping mode.

Through adopting above-mentioned technical scheme, when rotating vane pegged graft, can make spacing arc groove and joint groove joint to can restrict rotating vane's position better, improve the stability of using rotating vane.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the plug-in groove is matched with the clamping groove, so that the clamping fixation of the rotating piece and the rotating blade is realized, and the locking plate is matched, so that the bottom wall of the clamping groove is abutted against the bottom wall of the plug-in groove, the effect of fixing the rotating blade is realized, the movement of the rotating blade is limited through the plug-in groove, and compared with the prior art, the deformation of the rotating piece and the rotating blade is reduced, and the working effect of the centrifugal impeller is ensured;

2. the position of the rotary blade can be better fixed by using the limit baffle, the deformation of the rotary blade is reduced, and the stability of using the rotary blade is improved;

3. the limit baffle that the slope was used to set up to can make the space that the air flows reduce gradually, thereby can be used for cutting the area of wind great in the position that is close to the center, thereby collection wind that can be better reduces the space gradually again, can increase the effect of wind pressure, improves the effect of using centrifugal impeller to exhaust.

Drawings

Fig. 1 is a schematic structural view of a double air inlet chimeric centrifugal impeller according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of a double inlet chimeric centrifugal impeller of an embodiment of the present application.

Fig. 3 is an enlarged schematic view of the portion a in fig. 1.

Reference numerals: 1. a rotating piece; 2. rotating the blades; 3. an air inlet; 4. a reinforcing ring; 5. a mounting ring; 6. a wind cutting plate; 7. a limit baffle; 8. positioning the insert block; 81. a fixed block; 82. positioning the slot; 9. a locking plate; 10. a locking bolt; 11. a locking groove; 12. a plug-in groove; 13. a clamping groove; 14. limiting arc grooves.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a double-inlet embedded centrifugal impeller.

Referring to fig. 1 and 2, a double-inlet chimeric centrifugal impeller comprises a rotor plate 1 and a rotor blade 2, wherein the rotor plate 1 is disc-shaped, a plurality of inserting grooves 12 are formed in the rotor plate 1 along a circumferential array, the inserting grooves 12 are arc-shaped, the rotor blade 2 is arc-shaped in radial sectional view, a clamping groove 13 is formed in one end of the rotor plate 1, and the clamping groove 13 is mutually inserted and matched with the inserting grooves 12, so that the effect of limiting the rotor blade 2 can be achieved. The locking plates 9 used for fixing the rotary blades 2 are fixed on two sides of the rotary plate 1, the locking plates 9 are used for driving the bottom wall of the clamping groove 13 to move towards the bottom wall close to the inserting groove 12, so that the rotary blades 2 can be more stably fixed; limiting arc grooves 14 are formed in two sides of the rotating piece 1, and the limiting arc grooves 14 are matched with the rotating blades 2 in a clamping mode, so that the effect of locking the rotating blades 2 can be achieved, deformation of the rotating blades 2 is reduced, and stability of using the rotating blades 2 is improved.

Both ends of the rotary blade 2 are respectively fixed with a limit baffle 7, the limit baffle 7 is in a ring shape, and the limit baffle 7 is penetrated and provided with an air inlet 3. Two positioning inserting blocks 8 are fixed at two ends of the rotating blade 2, the positioning inserting blocks are rectangular blocks, positioning slots 82 which are matched with the limiting baffle 7 in an inserting mode are formed in the limiting baffle 7, the positioning slots 82 are rectangular grooves, fixing blocks 81 used for locking the limiting baffle 7 are integrally formed in the positioning inserting blocks 8, when the limiting baffle 7 is installed, the positioning inserting blocks 8 are extruded to enable the periphery of the positioning inserting blocks 8 to move to deform, the fixing blocks 81 of the limiting baffle 7 are extruded and fixed, the fixing blocks 81 are formed in the outer side of the limiting baffle 7, deformation of the inner side of the centrifugal impeller is reduced, and the using effect of the centrifugal impeller is guaranteed.

The width of the rotary blade 2 gradually decreases along the radial direction, so that the rotary blade can be formed into a trapezoid shape, the limit baffle 7 is obliquely fixed on two sides of the rotary blade 2 and is obliquely fixed towards the direction close to the rotary blade 1 along the radial direction, so that the space of the position for extracting air is larger, the space of the position for exhausting is smaller, the air can be better extracted, the pressure for exhausting the air is improved, and the working effect of using the centrifugal impeller is improved. One side of the limit baffle ring, which is far away from the rotating plate 1, is integrally provided with a reinforcing ring 4, and the reinforcing ring 4 is fixed at the opening position of the air inlet 3, so that the stability of using the reinforcing ring 4 is improved.

The one end that rotary vane 2 is close to locking plate 9 integrated into one piece has aviation baffle 6, and aviation baffle 6 is formed with the wind branch board of cutting in the both sides of rotor 1, and the wind branch board of cutting is formed with the transition inclined plane in one side that rotary vane 2 was kept away from, and the transition inclined plane is fixed along the direction along the radial outside slope that keeps away from rotor 1. Thereby, air can be better extracted, and the working effect of using the rotary vane 2 can be improved. The two locking plates 9 are connected to the rotating plate 1 through bolts, and locking grooves 11 which are matched with the wind cutting support plates in an inserting mode are formed in the locking plates 9.

The mounting holes are formed in the rotating plate 1, the mounting holes are cylindrical holes, mounting rings 5 which are in plug-in fit with the mounting holes are fixed on two sides of the rotating plate 1, the two mounting rings 5 are in plug-in fit, so that the mounting rings 5 can be fixed more firmly, a plurality of locking bolts 10 are plugged in the mounting rings 5, the locking bolts 10 penetrate through the two mounting rings 5 and the locking plate 9, the mounting rings 5 can be fixed more firmly, and meanwhile, the locking plate 9 can be extruded preliminarily, so that the effect of fixing the locking plate 9 is achieved.

The implementation principle of the double-inlet embedded centrifugal impeller provided by the embodiment of the application is as follows: during installation, the rotary blade 2 is inserted into the insertion groove 12, then the insertion groove 12 is in insertion fit with the clamping groove 13, so that a machine for clamping the rotary blade 2 is realized, then two locking plates 9 are placed on two sides of the rotary blade 2, preliminary fixing of the locking plates 9 is realized through the matching of the installation plates and the locking bolts 10, secondary fixing is realized through the fixing of the locking plates 9 by using bolts, thus locking of the rotary blade 2 is realized, two sides of the rotary blade 2 are inserted and positioned with the positioning slots 82 through the positioning insertion blocks 8, the positioning insertion blocks 8 are extruded to form the fixing blocks 81, and locking of the limiting baffle 7 is realized, so that the assembly of the centrifugal impeller is completed; when the centrifugal impeller rotates, air is cut through the rotating blades 2 on two sides of the rotating piece 1, so that the air is sucked in through the two air inlets 3 and is discharged on the peripheral sides of the rotating blades 2, the air suction and the air discharge of the centrifugal impeller can be more efficiently realized, and the working effect of the centrifugal impeller is improved. And the cooperation mode of joint locking like this can reduce the welding and produce heat, leads to taking place deformation in the centrifugal impeller, ensures centrifugal impeller's work effect.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. A double inlet air chimeric centrifugal impeller, characterized in that: including rotor (1) and rotating vane (2), a plurality of grafting groove (12) have been seted up along the circumference array to rotor (1), joint groove (13) have been seted up to rotating vane (2) one end, joint groove (13) with grafting groove (12) are pegged graft each other and are cooperated, rotor (1) both sides all are provided with and are used for fixing locking plate (9) of rotating vane (2), locking plate (9) are used for driving joint groove (13) diapire to be close to grafting groove (12) diapire removes.

2. A dual inlet air fitting centrifugal impeller according to claim 1, wherein: the utility model discloses a rotary vane, including rotary vane (2), fixed block (81) and air inlet (3) have been seted up on rotary vane (2), rotary vane (2) both ends all are fixed with limit baffle (7), limit baffle (7) are last seted up with limit baffle (7) grafting complex positioning slot (82), be provided with on the limit insert (8) and be used for locking fixed block (81) of limit baffle (7), air inlet (3) have been run through on limit baffle (7).

3. A dual inlet air fitting centrifugal impeller according to claim 2, wherein: the width of the rotating blades (2) gradually decreases along the radial outward direction, and the limit baffles (7) are obliquely arranged on two sides of the rotating blades (2) and are obliquely arranged close to the rotating plates (1) along the radial outward direction.

4. A dual inlet air fitting centrifugal impeller according to claim 3, wherein: one side of the limit baffle (7) far away from the rotating piece (1) is provided with a reinforcing ring (4), and the reinforcing ring (4) is arranged at the opening position of the air inlet (3).

5. A dual inlet air fitting centrifugal impeller according to claim 1, wherein: the rotary blade (2) is close to one end of locking plate (9) and is provided with air cutting board (6), air cutting board (6) in the both sides of rotor blade (1) are formed with cut wind extension board, cut wind extension board is kept away from one side of rotary blade (2) is formed with the transition inclined plane, the transition inclined plane is along keeping away from the direction of rotor blade (1) radial outside slope setting.

6. A dual inlet air fitting centrifugal impeller according to claim 5, wherein: the two locking plates (9) are connected to the rotating piece (1) through bolts, and locking grooves (11) which are matched with the wind cutting support plates in an inserting mode are formed in the locking plates (9).

7. A dual inlet air fitting centrifugal impeller according to claim 1, wherein: the mounting plate comprises a rotating plate (1), wherein mounting holes are formed in the rotating plate (1), mounting rings (5) which are in plug connection with the mounting holes are arranged on two sides of the rotating plate (1), the two mounting rings (5) are in plug connection with each other, locking bolts (10) are plugged on the mounting rings (5), and the locking bolts (10) penetrate through the two mounting rings (5) and the locking plate (9).

8. A dual inlet air fitting centrifugal impeller according to claim 1, wherein: limiting arc grooves (14) are formed in two sides of the rotating piece (1), and the limiting arc grooves (14) are matched with the clamping grooves (13) in a clamping mode.