CN210290287U

CN210290287U - Clean centrifugal fan

Info

Publication number: CN210290287U
Application number: CN201920950067.XU
Authority: CN
Inventors: 陈建坤
Original assignee: Jiangsu Huanyu Fan Technology Co Ltd
Current assignee: Nantong Hengrong Roots Blower Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-10
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a clean centrifugal fan, including centrifugal fan, centrifugal fan installs the air-supply line in one side, the one end that is close to centrifugal fan in the air-supply line is equipped with the filter screen, the one end that the riser kept away from centrifugal fan is equipped with the diaphragm, the diaphragm bottom surface is equipped with the T-slot, sliding joint has the T-shaped piece in the T-slot, the other end fixed connection of bar connecting block is in the lateral wall upper end of grip block, the lateral wall lower extreme of grip block is equipped with the round bar, the other end of round bar gets into the air-supply line fixed connection on the terminal surface of little ring, the inner wall of little ring is equipped with the ring channel, the rotary joint has a plurality of slide bars in the ring channel, the free end fixed connection of slide bar is at the outer wall of little disc, the center department that the little disc is close to centrifugal fan is fixed with the connecting rod, the other end, the outer wall of the large circular ring is fixedly provided with a layer of annular brush.

Description

Clean centrifugal fan

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a clean type centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which can improve the gas pressure and discharge gas by means of input mechanical energy, when the centrifugal fan is used daily, dust and foreign matters (insects and the like) can easily enter the air inlet pipe from the air inlet, so that the inner wall of the air inlet pipe is blocked, even the inner wall is corroded, the service life is shortened, the centrifugal fan is not smoothly used in follow-up use, and the normal working efficiency of the centrifugal fan is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clean type centrifugal fan 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: a clean centrifugal fan comprises a centrifugal fan, wherein an air inlet pipe is fixedly arranged on one side of the centrifugal fan, a filter screen is fixedly arranged at one end, close to the centrifugal fan, in the air inlet pipe, a vertical plate is fixedly arranged on the top surface of one end, close to the centrifugal fan, of the air inlet pipe, a transverse plate is fixedly arranged on the upper portion of one end, far away from the centrifugal fan, of the vertical plate, a T-shaped groove is formed in the bottom surface of the transverse plate, a T-shaped block is clamped in the T-shaped groove in a sliding mode, the bottom of the T-shaped block is fixedly connected with the top surface of one end of a strip-shaped connecting block, the other end of the strip-shaped connecting block is fixedly connected to the upper end of the side wall of a holding plate, a round rod is fixedly arranged at the lower end of the side wall of the holding plate, the other end of the, the utility model discloses a centrifugal fan, including the small circle dish, the outer wall of big disc is fixed and is equipped with the bracing piece that the other end fixed connection of bracing piece is the annular distribution, the outer wall of big disc is fixed and is equipped with the bracing piece that a plurality of is the annular distribution, the other end fixed connection of bracing piece is on the inner wall of big ring, the outer wall movable mounting of big ring has one deck annular brush, the laminating is rotated with the inner wall of air-supply line to annular brush.

As an optimized technical scheme of the utility model, the quantity of slide bar is four, and is cyclic annular distribution on the outer wall of small circle dish.

As an optimized technical scheme of the utility model, the small circle comprises two arc pieces concatenation that the size is the same.

As a preferred technical scheme of the utility model, centrifugal fan's a fixed pivot that is equipped with of center department is kept away from to small circle dish, the fixed crank that is equipped with of the other end of pivot, the portion of gripping of crank is equipped with one deck antiskid line.

As a preferred technical scheme of the utility model, centrifugal fan's one end is kept away from to the linear distance of air-supply line to the diaphragm is less than the linear distance of holding board to the air-supply line, centrifugal fan's one end is kept away from to the linear distance of air-supply line to the pivot is greater than the linear distance of holding board to the air-supply line.

As a preferred technical scheme of the utility model, the fixed inserted block that is equipped with of one end that the bar connecting block is close to the riser, the riser lateral wall is equipped with the slot with the inserted block cooperation, the supporting locking groove that is equipped with of inserted block one end lateral wall and slot one end lateral wall, the movable joint has bar stop block in the locking groove, the one end of bar stop block runs through riser fixedly connected with connection pad, the lateral wall fixedly connected with spring of connection pad, the spring activity cup joints the outer wall at bar stop block, and the free end and the riser lateral wall fixed connection of spring.

Compared with the prior art, the beneficial effects of the utility model are that:

utilize the filter screen to the wind-force that gets into centrifugal fan, realize filtering, prevent that dust and foreign matter from entering into centrifuge main part inside the air intake position, cause the centrifuge body to damage, one hand pulling grip plate is to the direction motion of keeping away from centrifugal fan, another hand is held the crank simultaneously and is driven the pivot rotation, make annular brush rotate, realize brushing off to the impurity on the air-supply line inner wall, avoid the impurity to cause the jam to the inner wall of air-supply line, corrode the inner wall of air-supply line, and the life is prolonged, and annular brush can realize quick replacement.

Drawings

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

FIG. 2 is a schematic view of the internal connection structure of the air inlet pipe of the present invention;

fig. 3 is the utility model discloses well riser and diaphragm connection structure sketch map.

In the figure: 1 centrifugal fan, 2 air inlet pipes, 21 filter screens, 3 vertical plates, 31 transverse plates, 32T-shaped grooves, 33T-shaped blocks, 34 strip-shaped connecting blocks, 35 holding plates, 36 round rods, 37 small round rings, 38 annular grooves, 39 sliding rods, 310 small round discs, 311 connecting rods, 312 large round discs, 313 supporting rods, 314 large round rings, 315 annular brushes, 316 rotating shafts, 317 crank handles, 318 inserting blocks, 319 inserting grooves, 320 stopping grooves, 321 strip-shaped stopping blocks, 322 connecting discs and 323 springs.

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. 1-3, the present invention provides a technical solution: a clean centrifugal fan comprises a centrifugal fan 1, an air inlet pipe 2 is fixedly installed on one side of the centrifugal fan 1, a filter screen 21 is fixedly arranged at one end, close to the centrifugal fan 1, in the air inlet pipe 2, a vertical plate 3 is fixedly arranged on the top surface of one end, close to the centrifugal fan 1, of the air inlet pipe 2, a transverse plate 31 is fixedly arranged on the upper portion of the side wall of one end, far away from the centrifugal fan 1, of the vertical plate 3, a T-shaped groove 32 is formed in the bottom surface of the transverse plate 31, a T-shaped block 33 is slidably clamped in the T-shaped groove 32, the bottom of the T-shaped block 33 is fixedly connected with the top surface of one end of a strip-shaped connecting block 34, the other end of the strip-shaped connecting block 34 is fixedly connected to the upper end of the side wall of a holding plate 35, a round rod 36 is fixedly arranged at the lower end of, the free end fixed connection of slide bar 39 is at the outer wall of little disc 310, the fixed connecting rod 311 that is equipped with in one side center department that little disc 310 is close to centrifugal fan 1, the other end fixed connection of connecting rod 311 is in the center department of big disc 312, the fixed bracing piece 313 that is the cyclic annular distribution that is equipped with of the outer wall of big disc 312, the other end fixed connection of bracing piece 313 is on the inner wall of big ring 314, the outer wall movable mounting of big ring 314 has one deck annular brush 315, annular brush 315 rotates the laminating with the inner wall of air-supply line 2, the fixed pivot 316 that is equipped with in one side center department that centrifugal fan 1 was kept away from to little disc 310, the other end of pivot 316 is fixed and is equipped with crank 317, the portion of gripping of crank. The wind power entering the centrifugal fan 1 is filtered by using the filter screen 21, dust and foreign matters are prevented from entering the interior of the centrifuge main body from the air inlet part to cause damage to the centrifuge body, the holding plate 35 is pulled by one hand to move in the direction away from the centrifugal fan 1, meanwhile, the crank 317 is held by the other hand to drive the rotating shaft 316 to rotate, the rotating shaft 316 rotates to drive the small disc 310 to rotate, the small disc 310 rotates to drive the sliding rod 39 to rotate in the annular groove 38, meanwhile, the connecting rod 311 is used to drive the large disc 312, the large ring 314 and the annular brush 315 on the outer wall of the large ring 314 to rotate, impurities on the inner wall of the air inlet pipe 2 are brushed, the inner wall of the air inlet pipe 2 is prevented from being blocked by the impurities, the inner wall of the air inlet pipe 2 is prevented from being corroded, the service life is shortened, if the annular brush 315 needs to be replaced, the holding plate 35 can, the large circular ring 314 is separated from the air inlet pipe 2, and the replacement of the circular brush 315 is realized.

The number of the sliding rods 39 is four, and the sliding rods 39 are annularly distributed on the outer wall of the small circular disk 310, and the number and the position distribution of the sliding rods 39 are explained.

The small circular ring 37 is formed by splicing two arc-shaped blocks with the same size, so that the installation and the use in the early stage are convenient.

The linear distance from one end of the transverse plate 31 far away from the centrifugal fan 1 to the air inlet pipe 2 is smaller than the linear distance from the holding plate 35 to the air inlet pipe 2, and the linear distance from one end of the rotating shaft 316 far away from the centrifugal fan 1 to the air inlet pipe 2 is larger than the linear distance from the holding plate 35 to the air inlet pipe 2, so that the structural distribution is more reasonable and humanized.

An inserting block 318 is fixedly arranged at one end of the strip-shaped connecting block 34 close to the vertical plate 3, a slot 319 is arranged on the side wall of the vertical plate 3 and matched with the inserting block 318, a stop groove 320 is arranged on the side wall of one end of the inserting block 318 and matched with the side wall of one end of the slot 319, a strip-shaped stop block 321 is movably clamped in the stop groove 320, one end of the strip-shaped stop block 321 penetrates through the vertical plate 3 and is fixedly connected with a connecting disc 322, a spring 323 is fixedly connected with the side wall of the connecting disc 322, the spring 323 is movably sleeved on the outer wall of the strip-shaped stop block 321, the free end of the spring 323 is fixedly connected with the side wall of the vertical plate 3, after the inner wall of the air inlet pipe 2 is cleaned, the connecting disc 322 is pulled to move towards the direction far away from the vertical plate 3, one end, located in the slot 319, of the strip-shaped stop block 321, the locking mechanism automatically snaps into a detent 320 on the insert block 318 to effect the positioning.

The working principle is as follows: the utility model discloses when daily use, utilize the filter screen 21 to the wind-force of entering centrifugal fan 1, realize filtering, prevent that dust and foreign matter from entering centrifuge main part from the air intake position inside, cause centrifuge body to damage, one hand stimulates grip plate 35 to the direction motion of keeping away from centrifugal fan 1, another hand is held handle 317 and is driven pivot 316 to rotate simultaneously, pivot 316 rotates and drives little disc 310 and rotates, little disc 310 rotates and drives slide bar 39 and rotate in ring channel 38, utilize connecting rod 311 to drive big disc 312 simultaneously, ring brush 315 on big ring 314 and the outer wall of big ring 314 rotates, realize brushing off the impurity on the air-supply line 2 inner wall, avoid impurity to cause the inner wall of air-supply line 2 to block up, corrode the inner wall of air-supply line 2, reduce life, if need change ring brush 315, can pull grip plate 35 makes T-shaped piece 33 slide to T-shaped groove 32 and keep away from the farthest end of centrifugal fan 1, the large circular ring 314 is separated from the air inlet pipe 2, and the replacement of the circular brush 315 is realized; after the inner wall of the air inlet pipe 2 is cleaned, the connecting disc 322 is pulled to move towards the direction far away from the vertical plate 3, so that one end, located in the slot 319, of the strip-shaped stop block 321 retracts into the stop groove 320 formed in the inner wall of the slot 319, then the insertion block 318 is inserted into the slot 319, the connecting disc 322 is loosened, and the strip-shaped stop block 321 is automatically clamped into the stop groove 320 in the insertion block 318 under the elastic force action of the spring 323 to achieve the positioning effect.

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

1. The utility model provides a clean type centrifugal fan, includes centrifugal fan (1), centrifugal fan (1) one side fixed mounting has air-supply line (2), its characterized in that: a filter screen (21) is fixedly arranged at one end, close to the centrifugal fan (1), in the air inlet pipe (2), a vertical plate (3) is fixedly arranged on the top surface of one end, close to the centrifugal fan (1), of the air inlet pipe (2), a transverse plate (31) is fixedly arranged on the upper portion of the side wall of one end, far away from the centrifugal fan (1), of the vertical plate (3), a T-shaped groove (32) is formed in the bottom surface of the transverse plate (31), a T-shaped block (33) is slidably clamped in the T-shaped groove (32), the bottom of the T-shaped block (33) is fixedly connected with the top surface of one end of a bar-shaped connecting block (34), the other end of the bar-shaped connecting block (34) is fixedly connected to the upper end of the side wall of a holding plate (35), a round rod (36) is fixedly arranged at the lower end of the side wall of the holding plate (35), the other end of the round rod (36, the rotation joint has a plurality of slide bar (39) in ring channel (38), the free end fixed connection of slide bar (39) is in the outer wall of little disc (310), little disc (310) are close to the fixed connecting rod (311) that is equipped with in one side center department of centrifugal fan (1), the other end fixed connection of connecting rod (311) is in the center department of big disc (312), the outer wall of big disc (312) is fixed and is equipped with bracing piece (313) that a plurality of is cyclic annular distribution, the other end fixed connection of bracing piece (313) is on the inner wall of big ring (314), the outer wall movable mounting of big ring (314) has one deck annular brush (315), annular brush (315) rotates the laminating with the inner wall of air-supply line (2).

2. The clean centrifugal fan according to claim 1, wherein: the number of the sliding rods (39) is four, and the sliding rods are annularly distributed on the outer wall of the small circular disc (310).

3. The clean centrifugal fan according to claim 1, wherein: the small circular ring (37) is formed by splicing two arc-shaped blocks with the same size.

4. The clean centrifugal fan according to claim 1, wherein: the centrifugal fan is characterized in that a rotating shaft (316) is fixedly arranged at the center of one side, away from the centrifugal fan (1), of the small disc (310), a crank (317) is fixedly arranged at the other end of the rotating shaft (316), and a layer of anti-slip grains are arranged at a holding part of the crank (317).

5. The clean centrifugal fan according to claim 1, wherein: the linear distance from one end, far away from the centrifugal fan (1), of the transverse plate (31) to the air inlet pipe (2) is smaller than the linear distance from the holding plate (35) to the air inlet pipe (2), and the linear distance from one end, far away from the centrifugal fan (1), of the rotating shaft (316) to the air inlet pipe (2) is larger than the linear distance from the holding plate (35) to the air inlet pipe (2).

6. The clean centrifugal fan according to claim 1, wherein: bar connecting block (34) are close to fixed inserted block (318) that is equipped with of one end of riser (3), riser (3) lateral wall is equipped with slot (319) with the cooperation of inserted block (318), inserted block (318) one end lateral wall is supporting with slot (319) one end lateral wall and is equipped with locking groove (320), movable joint has bar locked block (321) in locking groove (320), the one end of bar locked block (321) runs through riser (3) fixedly connected with connection pad (322), lateral wall fixedly connected with spring (323) of connection pad (322), the outer wall at bar locked block (321) is cup jointed in spring (323) activity, and the free end and riser (3) lateral wall fixed connection of spring (323).