CN212899173U

CN212899173U - Diagonal flow fan

Info

Publication number: CN212899173U
Application number: CN202021861452.6U
Authority: CN
Inventors: 董明华; 董超
Original assignee: Shaoxing Shangyu Mingxin Ventilation Equipment Facilities Co ltd
Current assignee: Shaoxing Shangyu Mingxin Ventilation Equipment Facilities Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-06
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a diagonal flow fan aims at solving the complicated problem that influences the fan and overhauls of dismouting process of filter. The key points of the technical scheme are as follows: including the dryer, follow air flow direction fixedly connected with filter in proper order in the dryer, the motor frame, motor and flabellum, motor and motor frame fixed connection, the dryer is close to solid fixed ring one and solid fixed ring two of fixedly connected with on the inner wall of motor one side, enclose between solid fixed ring one and the solid fixed ring two and be equipped with smooth chamber, sliding connection has the sliding ring in the sliding ring, a plurality of slide bars that fixedly connected with circumference evenly set up on the sliding ring, gu set up on two fixed ring and be used for a plurality of gliding spouts of slide bar, sliding connection has the removal snap ring on the slide bar, the utility model discloses realize the simplification to filter dismouting process, and then solved the complicated problem that influences the fan and overhauls of dismouting process.

Description

Diagonal flow fan

Technical Field

The utility model relates to a ventilation equipment technical field, more specifically say, it relates to a diagonal flow fan.

Background

The oblique flow fan is also called a mixed flow fan, and is a fan between an axial flow fan and a centrifugal fan, an impeller of the oblique flow fan enables air to do centrifugal motion and axial motion, and the motion of the air in a shell is mixed with two motion modes of axial flow and centrifugation.

The utility model discloses a chinese patent that publication is CN207229423U is an improved generation mixed flow fan, which comprises a housin, the casing is provided with air intake and air outlet, the installation sets up the motor in the casing, the motor passes through support piece to be fixed in the casing, the output shaft end connection of motor has the impeller, it is provided with the flabellum to connect on the impeller, the installation is provided with the supporting seat on the casing, the installation of air intake department is provided with the filter screen.

Above-mentioned utility model realizes the protection to the flabellum through setting up of filter screen, just need dismantle the filter screen when the fan need overhaul, will install again the filter screen after the fan overhauls finishing, therefore the setting of filter screen realizes the protection to the fan flabellum, but nevertheless makes the maintenance of fan become loaded down with trivial details complicacy, so need simplify the installation of filter screen and dryer.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a diagonal flow fan reaches the purpose that makes things convenient for fan inner structure to overhaul through the installation of simplifying filter and dryer.

The above technical purpose of the present invention can be achieved by the following technical solutions: an oblique flow fan comprises an air duct, wherein a filter plate, a motor frame, a motor and fan blades are fixedly connected in the air duct in sequence along the air flowing direction, the motor is fixedly connected with the motor frame, a first fixing ring and a second fixing ring are fixedly connected to the inner wall of the air duct close to one side of the motor, a sliding cavity is defined between the first fixing ring and the second fixing ring, a sliding ring is connected in the sliding cavity in a sliding mode, a plurality of sliding rods which are uniformly arranged in the circumferential direction are fixedly connected to the sliding ring, a plurality of sliding grooves for the sliding of the plurality of sliding rods are formed in the second fixing ring, a moving clamping ring is connected to the sliding rod in a sliding mode, a plurality of first clamping grooves which are uniformly arranged in the circumferential direction are formed in the moving clamping ring, elastic pieces are sleeved on the plurality of sliding rods between the moving clamping ring and the second fixing ring, the elastic pieces are used for pushing, one side of the fixed clamping ring, which is close to the movable clamping ring, is provided with a plurality of second clamping grooves which are uniformly arranged in the circumferential direction, the fixed clamping ring is further provided with a plurality of slots, and the filter plate is fixedly connected with a plurality of clamping blocks which are uniformly arranged in the circumferential direction.

By adopting the technical scheme, the filter screen can isolate partial impurities and dust on one hand, so that the dust deposition process of the fan blade is slower, on the other hand, the damage to the fan blade rotating at high speed caused by the flying of a large-volume object into the air duct can be avoided, the protection to the fan blade is realized, the fixture block of the filter plate is inserted into the first clamping groove through the slot of the fixed clamping ring, when the fixture block is clamped into the first clamping groove, the filter plate is continuously pushed, the filter plate drives the fixture block to continuously move towards the inside of the air duct, the fixture block moves to drive the movable clamping ring to move on the slide rod, the elastic piece is gradually compressed when the movable clamping ring moves on the slide rod, when the movable clamping ring is far away from the fixed clamping ring and the movable clamping ring can relatively rotate with the fixed clamping ring, the filter plate is rotated to drive the fixture block to, when the slide bar can not slide, the first clamping groove corresponds to the second clamping groove in position, the filter plate is loosened, the movable clamping ring moves towards the fixed clamping ring under the action of elastic force generated by the compressed elastic piece, and the installation of the filter plate is completed when the movable clamping ring is attached to the fixed clamping ring.

The utility model discloses further set up to: and one side of the air duct, which is close to the fan blades, is fixedly connected with a protective guard.

By adopting the technical scheme, the protective guard can prevent foreign matters from flying into the air duct to damage the fan blades rotating at high speed, and the protection function of the fan blades is realized.

The utility model discloses further set up to: the motor frame includes the installation piece, a plurality of reposition of redundant personnel swash plates that fixedly connected with circumference evenly set up on the installation piece.

Through adopting above-mentioned technical scheme, motor and installation piece fixed connection, the motor frame realize through the reposition of redundant personnel swash plate with the fixed connection of dryer, realize the preliminary mixed flow to the through-flow air simultaneously through the reposition of redundant personnel swash plate.

The utility model discloses further set up to: and ball grooves are formed in the surfaces, attached to the first fixing ring and the sliding ring, of the first fixing ring, and a plurality of balls are placed in the ball grooves.

Through adopting above-mentioned technical scheme, utilize the roll of ball in the ball groove to reduce the frictional force between solid fixed ring one and the slip ring for the slip of slip ring is more smooth and easy.

The utility model discloses further set up to: a plurality of mutually meshed clamping teeth are integrally formed on the surface of the movable clamping ring, which is attached to the fixed clamping ring.

Through adopting above-mentioned technical scheme, realize moving the restriction of relative slip between snap ring and the fixed snap ring through the intermeshing between the latch for it is firm more stable with the mutual laminating of fixed snap ring to move the snap ring.

The utility model discloses further set up to: the outer portion of the air duct is fixedly connected with a plurality of support legs which are symmetrically arranged, and the bottom portions of the support legs are fixedly connected with damping rubber layers.

Through adopting above-mentioned technical scheme, the stabilizer blade realizes the support to the dryer, utilizes the elasticity of cushion rubber layer self material to cushion the vibration of fan, realizes the protection to the fan when the damping is fallen and is made an uproar.

The utility model discloses further set up to: the outside fixedly connected with symmetry of dryer sets up a plurality of connecting blocks, fixedly connected with rings on the connecting block.

Through adopting above-mentioned technical scheme, the rings that set up make the hoist and mount and the removal of dryer convenient and fast more, and the connecting block realizes the enhancement to the dryer for rings hoist and mount the time more firmly stable.

To sum up, the utility model discloses following beneficial effect has:

on one hand, the filter screen can isolate partial impurities and dust, so that the dust deposition process of the fan blade is slower, on the other hand, the damage to the fan blade rotating at high speed caused by the flying of a large-volume object into the air duct can be avoided, the protection to the fan blade is realized, the fixture block of the filter plate is inserted into the first clamping groove through the slot of the fixed clamping ring, when the fixture block is clamped into the first clamping groove, the filter plate is continuously pushed, the filter plate drives the fixture block to continuously move towards the inside of the air duct, the fixture block moves to drive the movable clamping ring to move on the sliding rod, the elastic piece is gradually compressed when the movable clamping ring moves on the sliding rod, when the movable clamping ring is far away from the fixed clamping ring and can relatively rotate with the fixed clamping ring, the filter plate is rotated, the fixture block is rotated by the rotation of the clamping block, the slide, the first clamping groove corresponds to the second clamping groove in position, the filter plate is loosened, the movable clamping ring moves towards the fixed clamping ring under the action of elastic force generated by the compressed elastic piece, and the installation of the filter plate is completed when the movable clamping ring is attached to the fixed clamping ring.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an explosion diagram of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an exploded view of the second embodiment of the present invention;

FIG. 5 is an enlarged view at B in FIG. 4;

fig. 6 is an exploded view of the present invention;

fig. 7 is an enlarged view at C in fig. 6.

In the figure: 1. an air duct; 2. a filter plate; 3. a motor; 4. a fan blade; 5. a first fixing ring; 6. a second fixing ring; 7. a slip ring; 8. a slide bar; 9. a chute; 10. moving the snap ring; 11. a first card slot; 12. an elastic member; 13. fixing the snap ring; 14. a second card slot; 15. a slot; 16. a clamping block; 17. protecting the fence; 18. mounting blocks; 19. a shunting inclined plate; 20. a ball groove; 21. a ball bearing; 22. clamping teeth; 23. a support leg; 24. connecting blocks; 25. a lifting ring.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides an oblique flow fan, as shown in fig. 1 and 2, including dryer 1, two stabilizer blades 23 that the outside fixedly connected with symmetry of dryer 1 set up, the bottom fixedly connected with shock absorption rubber layer of stabilizer blade 23, dryer 1's outside still integrative being formed has the connecting block 24 that the symmetry set up, threaded connection has rings 25 on the connecting block 24, dryer 1's inside is along air flow's direction fixedly connected with filter 2 in proper order, the motor frame, including a motor 3, flabellum 4 and rail guard 17, the motor frame is including installation piece 18, integrative being formed has a plurality of reposition of redundant personnel swash plates 19 that circumference evenly set up on the installation piece 18, reposition of redundant personnel swash plate 19 and dryer 1's inner wall fixed connection, pass through bolt fixed connection between motor 3 and the installation piece 18, flabellum 4 and motor 3's output shaft fixed connection, four fixture blocks 16 that fixedly connected with circumference evenly set up.

As shown in fig. 2-7, one side of the inner wall of the air duct 1, which is close to the motor 3, is fixedly connected with a first fixing ring 5 and a second fixing ring 6 in sequence by welding, one side of the first fixing ring 5, which is close to the second fixing ring 6, is provided with a ball groove 20, the second fixing ring 6 is provided with four sliding grooves 9 which are uniformly arranged in the circumferential direction, a sliding cavity is enclosed between the first fixing ring 5 and the second fixing ring 6, the sliding cavity is connected with a sliding ring 7 in a sliding manner, the surface of the sliding ring 7, which is attached to the first fixing ring 5, is provided with the ball groove 20, a plurality of balls 21 are arranged in the ball groove 20, the sliding ring 7 is in threaded connection with four sliding rods 8 which slide in the sliding grooves 9, the sliding rod 8 is connected with a movable snap ring 10 in a sliding manner, the four sliding rods 8 between the movable snap ring 10 and the second fixing ring 6 are, still fixedly connected with and the fixed snap ring 13 that removes the laminating of snap ring 10 on the section of thick bamboo wall of dryer 1, a plurality of latches 22 of intermeshing have all been seted up on the face of removing the laminating of snap ring 10 and fixed snap ring 13, set up four first draw-in grooves 11 that circumference evenly set up on the face of removing the laminating of snap ring 10 and fixed snap ring 13, set up four second draw-in grooves 14 that circumference evenly set up on the face of fixed snap ring 13 and removing the laminating of snap ring 10, still set up four slots 15 that circumference evenly set up on fixed snap ring 13, slot 15 is used for fixture block 16 to insert in first draw-in groove 11 and the second draw-in groove 14, the combined action through first draw-in groove 11 and second draw-in groove 14 realizes the restriction to fixture block 16 positions, and then realize filter 2 and dryer 1's fixed connection.

The working principle is as follows: when the fan needs to be overhauled, the filter plate 2 is pushed, the filter plate 2 moves to drive the clamping block 16 fixed with the filter plate 2 to move, the clamping block 16 moves to push the movable clamp ring 10 to slide on the slide bar 8, when the latch 22 of the movable clamp ring 10 is disengaged from the latch 22 on the fixed clamp ring 13, the filter plate 2 is rotated at the moment, the filter plate 2 rotates to drive the movable clamp ring 10 to rotate, the movable clamp ring 10 rotates to drive the slide bar 8 to slide in the chute 9, when the slide bar 8 cannot move, the first clamping groove 11 corresponds to the slot 15, the filter plate 2 can be taken out from the air duct 1, after the fan is overhauled, the clamping block 16 corresponds to the slot 15, the filter plate 2 is pushed inwards, the clamping block 16 enters the first clamping groove 11 and then continuously pushes the filter plate 2, the clamping block 16 pushes the movable clamp ring 10 to be far away from the fixed clamp ring 13, when the latch 22 of the movable clamp ring 10, elastic component 12 is in under the state of compressed this moment, rotatory filter 2, filter 2 rotates and drives and remove snap ring 10 and rotate, it rotates and drives slide bar 8 and slide in spout 9 to remove snap ring 10, when the unable gliding time of slide bar 8, first draw-in groove 11 corresponds with second draw-in groove 14 position this moment, loosen filter 2, it removes to fixed snap ring 13 under the effect of the elasticity that elastic component 12 that removes snap ring 10 produced to remove the snap ring 10, make remove snap ring 10 and fixed snap ring 13 laminate each other and remove latch 22 on the snap ring 10 and the latch 22 intermeshing on the fixed snap ring 13, accomplish the installation of filter 2, the aforesaid is just so the utility model discloses a theory of operation.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an oblique flow fan, includes dryer (1), along air flow direction fixedly connected with filter (2), motor frame, motor (3) and flabellum (4) in proper order in dryer (1), motor (3) and motor frame fixed connection, its characterized in that: the air duct is characterized in that a first fixing ring (5) and a second fixing ring (6) are fixedly connected to the inner wall, close to one side of the motor (3), of the air duct (1), a sliding cavity is formed between the first fixing ring (5) and the second fixing ring (6), a sliding ring (7) is slidably connected to the sliding cavity, a plurality of sliding rods (8) which are circumferentially and uniformly arranged are fixedly connected to the sliding ring (7), a plurality of sliding chutes (9) which are used for sliding the plurality of sliding rods (8) are formed in the second fixing ring (6), a movable clamping ring (10) is slidably connected to the sliding rods (8), a plurality of first clamping grooves (11) which are circumferentially and uniformly arranged are formed in the movable clamping ring (10), elastic pieces (12) are sleeved on the plurality of sliding rods (8) between the movable clamping ring (10) and the second fixing ring (6), and the elastic pieces (12) are used for pushing the movable clamping ring, still fixedly connected with fixed snap ring (13) on dryer (1) inner wall, a plurality of second draw-in grooves (14) that circumference evenly set up are seted up to one side that fixed snap ring (13) are close to removal snap ring (10), a plurality of slots (15) have still been seted up on fixed snap ring (13), a plurality of fixture blocks (16) that fixedly connected with circumference evenly set up are gone up in filter (2).

2. The diagonal flow fan according to claim 1, wherein: one side of the air duct (1) close to the fan blades (4) is fixedly connected with a protective guard (17).

3. The diagonal flow fan according to claim 1, wherein: the motor frame comprises an installation block (18), and a plurality of shunting inclined plates (19) which are uniformly arranged in the circumferential direction are fixedly connected to the installation block (18).

4. The diagonal flow fan according to claim 1, wherein: and the surfaces of the first fixing ring (5) and the sliding ring (7) which are attached to each other are provided with ball grooves (20), and a plurality of balls (21) are placed in the ball grooves (20).

5. The diagonal flow fan according to claim 1, wherein: a plurality of mutually meshed clamping teeth (22) are integrally formed on the surface of the movable clamping ring (10) attached to the fixed clamping ring (13).

6. The diagonal flow fan according to claim 1, wherein: the outer portion of the air duct (1) is fixedly connected with a plurality of symmetrically arranged support legs (23), and the bottom portions of the support legs (23) are fixedly connected with a damping rubber layer.

7. The diagonal flow fan according to claim 1, wherein: the outer portion of the air duct (1) is fixedly connected with a plurality of connecting blocks (24) which are symmetrically arranged, and the connecting blocks (24) are fixedly connected with hanging rings (25).