CN214617121U - Draught fan with drying device - Google Patents

Abstract

The utility model relates to an draught fan technical field specifically is a draught fan with drying device, including draught fan body, electric heat net and second telescopic link, the first tuber pipe of air outlet fixedly connected with of draught fan body, the inner wall joint of first tuber pipe has the electric heat net, the surface of first tuber pipe is threaded, the surface cover of first tuber pipe is equipped with the second tuber pipe, and the second tuber pipe is connected with the thread engagement, the inner wall joint of second tuber pipe has first dead lever, the surface of first dead lever is pegged graft and is had the fixed block, the inner wall joint of first dead lever has the second dead lever, the surface of second dead lever is pegged graft and is had first metal pole, the fixed surface of first metal pole installs the slider. The utility model discloses optimized the draught fan air-out and not had the device of adjusting conveying gas's size degree and the baffle of air intake can accumulate a large amount of dusts and do not have belt cleaning device's problem.

Description

Draught fan with drying device

Technical Field

The utility model relates to a draught fan technical field specifically is a draught fan with drying device.

Background

The induced draft fan is a device which generates negative pressure through the rotation of an impeller and further extracts air from a system (device), is generally arranged at the tail end of a boiler and is used for extracting hot flue gas in a hearth, cooling and ventilating air conditioning equipment and household electrical equipment and drying and sorting grains; the existing air outlet of the draught fan is not provided with an adjusting device for the size of air outlet, only one air outlet speed can be realized during air outlet, the air inlet of the existing draught fan is not provided with a cleaning device, dust in air can fall on a baffle of the air inlet when the draught fan absorbs hot air in a boiler, and a large amount of dust is remained on the baffle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a draught fan with drying device to the problem that does not have the device of adjusting the air outlet size and do not wash the device of air intake baffle that proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an induced draft fan with a drying device comprises an induced draft fan body, an electric heating net and a second telescopic rod, wherein a first air pipe is fixedly connected with an air outlet of the induced draft fan body, the electric heating net is clamped on the inner wall of the first air pipe, threads are arranged on the outer surface of the first air pipe, a second air pipe is sleeved on the outer surface of the first air pipe and is meshed with the threads, a first fixing rod is clamped on the inner wall of the second air pipe, a fixing block is inserted on the outer surface of the first fixing rod, a second fixing rod is clamped on the inner wall of the first fixing rod, a first metal rod is inserted on the outer surface of the second fixing rod, a sliding block is fixedly arranged on the outer surface of the first metal rod, two wind baffles are hinged to the outer side surface of the fixing block, first sliding grooves are formed in the outer side surfaces of the two wind baffles, and first sliding rods are slidably connected inside the first sliding grooves, the first sliding rod is rotatably connected with the sliding block, a second metal rod is fixedly arranged on the outer surface of the sliding block, a first telescopic rod is fixedly arranged at the lower end of the second metal rod, a groove is formed in the inner wall of the second air pipe, four openings are formed in the outer surface of the second air pipe and penetrate through the outer surface of the second air pipe to the inside of the groove, a second sliding rod is arranged inside the groove, one side of the second sliding rod penetrates through the opening and is arranged on the outer surface of the second air pipe, the outer surface of the sliding block is fixedly connected with the second telescopic rod, a handle is inserted into the second telescopic rod, one end of the handle is fixedly connected with the sliding block, an air door is fixedly arranged inside the draught fan body, a third air pipe is fixedly arranged on the front side of the draught fan body, a motor is fixedly arranged on the right side face of the third air pipe, and a first rotating shaft is fixedly connected with an output shaft of the motor, and first pivot is passed through to the inside of third tuber pipe, the surface of motor has cup jointed first gear, the side meshing that has of first gear is connected with the second gear, the inside of second gear is inserted and is equipped with the second pivot, and the inner wall and the second pivot external surface fixed connection of second gear, the one end fixed mounting that the air door was kept away from in the second pivot has the bearing fixed plate, and bearing fixed plate and third tuber pipe fixed connection, the one end fixed mounting that the second pivot is close to the air door has the brush, the second spout has been seted up of the lateral surface of third tuber pipe, the box has been placed below the second spout, the lower surface of third tuber pipe is inserted and is equipped with the screw, and the screw pierces through in third tuber pipe to the box.

Preferably, the outer surface of the handle is sleeved with a rubber sleeve, and the surface of the rubber sleeve is provided with anti-skid grains.

Preferably, a metal cover is installed on the outer side of the motor, and the inner wall of the metal cover is fixedly connected with the third air pipe.

Preferably, the bottom of draught fan body is installed the foam-rubber cushion, and the foam-rubber cushion is evenly placed.

Preferably, the first sliding groove is a T-shaped groove, the first sliding rod is a T-shaped sliding rod, and the first sliding groove is larger than the first sliding rod.

Preferably, the two wind deflectors are semicircular, and the wind deflectors are metal plates.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model optimizes the problems that the air outlet of the draught fan is not provided with a device for adjusting the size of the conveying gas and the baffle of the air inlet can accumulate a large amount of dust and is not provided with a cleaning device;

1. by arranging the wind shield, the second slide bar and the second telescopic bar, when the size of the wind outlet of the air outlet needs to be adjusted, the second slide bar is pressed to extrude the first telescopic bar, the second metal bar can move in the groove under the action of the elastic force of the second telescopic bar, so that the first slide bar slides in the wind shield, the wind shield is pulled to be closed to one side close to the second fixed bar, the size of the wind outlet is adjusted through different degrees of closure, the second slide bar is pressed after the wind shield is used, and meanwhile, the handle is pulled to ensure that the wind shield is completely opened and then the second slide bar is loosened to ensure that the first telescopic bar is clamped into the groove for fixation;

2. through setting up first gear, brush and box, when needs clearance air door, open the motor and drive first gear rotatory then drive the second gear and then drive the second pivot rotatory, the brush is fixed in the second pivot, can clean the dust on the air door through the second spout and drop to the box then unscrew the screw and take out the box and clear up in the third tuber pipe left circular motion.

Drawings

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

FIG. 2 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 3 is a schematic side view of the structure of the present invention;

fig. 4 is an enlarged schematic view of the structure a in fig. 2 according to the present invention;

FIG. 5 is a schematic side view of the adjusting device according to the present invention;

FIG. 6 is a schematic sectional view of the adjusting device in front view;

fig. 7 is a schematic top sectional view of the adjusting device according to the present invention.

In the figure: 1. a draught fan body; 2. a first air duct; 3. an electric heating net; 4. a thread; 5. a second air duct; 6. a first fixing lever; 601. a fixed block; 7. a second fixing bar; 8. a first metal rod; 801. a slider; 9. a wind deflector; 10. a first chute; 11. a first slide bar; 12. a second metal rod; 13. a first telescopic rod; 14. a groove; 15. an opening; 16. a second slide bar; 17. a second telescopic rod; 18. a handle; 19. a damper; 20. a third air duct; 21. a motor; 211. a first rotating shaft; 22. a first gear; 221. a second gear; 23. a second rotating shaft; 24. a bearing fixing plate; 25. a brush; 26. a second chute; 27. a box; 28. and (4) screws.

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. 1-7, the present invention provides an embodiment:

an induced draft fan with a drying device comprises an induced draft fan body 1, an electric heating net 3 and a second telescopic rod 17, wherein an air outlet of the induced draft fan body 1 is fixedly connected with a first air pipe 2, the inner wall of the first air pipe 2 is clamped with the electric heating net 3, the outer surface of the first air pipe 2 is provided with threads 4, the outer surface of the first air pipe 2 is sleeved with a second air pipe 5, the second air pipe 5 is meshed with the threads 4, the inner wall of the second air pipe 5 is clamped with a first fixing rod 6, the outer surface of the first fixing rod 6 is spliced with a fixing block 601, the inner wall of the first fixing rod 6 is clamped with a second fixing rod 7, the outer surface of the second fixing rod 7 is spliced with a first metal rod 8, the outer surface of the first metal rod 8 is fixedly provided with a slide block 801, the outer side surface of the fixing block 601 is hinged with two wind shields 9, the outer side surfaces of the two wind shields 9 are both provided with a first slide groove 10, the inner part of the first slide groove 10 is slidably connected with a first slide bar 11, the first sliding rod 11 is rotatably connected with the sliding block 801, the outer surface of the sliding block 801 is fixedly provided with a second metal rod 12, the lower end of the second metal rod 12 is fixedly provided with a first telescopic rod 13, the inner wall of the second air pipe 5 is provided with a groove 14, the outer surface of the second air pipe 5 is provided with four openings 15, the four openings 15 penetrate through the outer surface of the second air pipe 5 to the inside of the groove 14, the inside of the groove 14 is provided with a second sliding rod 16, one side of the second sliding rod 16 penetrates through the opening 15 to be arranged on the outer surface of the second air pipe 5, the outer surface of the sliding block 801 is fixedly connected with a second telescopic rod 17, a handle 18 is inserted inside the second telescopic rod 17, one end of the handle 18 is fixedly connected with the sliding block 801, the inside of the induced draft fan body 1 is fixedly provided with an air door 19, the front surface of the induced draft fan body 1 is fixedly provided with a third air pipe 20, and the right side surface of the third air pipe 20 is fixedly provided with a motor 21, a first rotating shaft 211 is fixedly connected to an output shaft of the motor 21, the first rotating shaft 211 penetrates into the third air duct 20, a first gear 22 is sleeved on the outer surface of the motor 21, a second gear 221 is meshed and connected to the side surface of the first gear 22, a second rotating shaft 23 is inserted into the second gear 221, the inner wall of the second gear 221 is fixedly connected to the outer surface of the second rotating shaft 23, a bearing fixing plate 24 is fixedly installed at one end, far away from the air door 19, of the second rotating shaft 23, the bearing fixing plate 24 is fixedly connected with the third air duct 20, a brush 25 is fixedly installed at one end, close to the air door 19, of the second rotating shaft 23, a second sliding groove 26 is formed in the outer side surface of the third air duct 20, a box 27 is placed below the second sliding groove 26, a screw 28 is inserted into the lower surface of the third air duct 20, and the screw 28 penetrates through the third air duct 20 into the box 27;

further, the outer surface of the handle 18 is sleeved with a rubber sleeve, the surface of the rubber sleeve is provided with anti-slip lines, and friction force can be increased to protect hands from being damaged when the hands are pulled by the rubber sleeve and the anti-slip lines;

further, a metal cover is installed on the outer side of the motor 21, and the inner wall of the metal cover is fixedly connected with the third air duct 20, so that the motor 21 can be prevented from being damaged by external factors by the metal cover;

further, the bottom of the draught fan body 1 is provided with the sponge cushion, the sponge cushion is uniformly placed, and the draught fan can be more stable when placed through the sponge cushion;

furthermore, the first sliding groove 10 is a T-shaped groove, the first sliding rod 11 is a T-shaped sliding rod, the first sliding groove 10 is larger than the first sliding rod 11, and the sliding rods can be more fixed when being placed in the sliding grooves by arranging the T-shaped groove;

further, two deep beads 9 are semi-circular, and deep bead 9 is the metal sheet, can block second tuber pipe 5 entering foreign object when closed state through setting up the semicircle board.

The working principle is as follows: when the output gas is required to be dried in daily life, the electric heating net 3 can be electrified to heat the gas so as to dry the conveyed gas, when the speed of the conveyed gas is required to be adjusted, the second slide bar 16 can be pressed, the second slide bar 16 slides in the opening 15 to extrude the first telescopic rod 13, the first telescopic rod 13 slides in the groove 14 in the direction close to the second fixed rod 7 under the elastic action of the second telescopic rod 17, because the first slide bar 11 is rotationally connected with the slide block 801, the first slide bar 11 slides in the wind shield 9, the wind shield 9 rotates in the direction close to the first metal rod 8, then the second slide bar 16 is sent to enable the first telescopic rod 13 to be clamped in the groove 14, the output degree of the gas is adjusted according to different opening degrees of the wind shield 9, the second slide bar 16 is pressed after the use is finished, the handle 18 is pulled to enable the wind shield 9 to be completely opened, then the second slide bar 16 is loosened to enable the first telescopic rod 13 to be clamped in the opening 15 for fixing, the air outlet speed of different degrees can be adjusted through the adjusting device, when the air door 19 needs to be cleaned, the motor 21 drives the first gear 22 to rotate, the first gear 22 is meshed with the second gear 221 to be connected, the first gear 22 drives the second gear 221 to rotate, the second gear 221 drives the second rotating shaft 23 to rotate, the brush 25 is fixedly connected with the second rotating shaft 23, the brush 25 rotates along with the second rotating shaft 23 and then cleans dust on the upper portion of the air door 19, the cleaned dust can fall into the box 27 through the second sliding groove 26, the screw 28 can be screwed down to take out the box 27 to clean the box 27 when the box 27 is cleaned, and then the box 27 is put back into the third air pipe 20 to screw down the screw 28, so that the air door 19 can be cleaned when a large amount of dust is accumulated on the air door 19 and the cleaned dust can be cleaned.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides an draught fan with drying device, includes draught fan body (1), electric heat net (3) and second telescopic link (17), its characterized in that: the draught fan comprises a draught fan body (1), and is characterized in that an air outlet of the draught fan body (1) is fixedly connected with a first air pipe (2), an inner wall joint of the first air pipe (2) is provided with an electric heating net (3), threads (4) are arranged on the outer surface of the first air pipe (2), a second air pipe (5) is sleeved on the outer surface of the first air pipe (2), the second air pipe (5) is meshed with the threads (4) and is connected with the first air pipe, a first fixing rod (6) is connected with the inner wall joint of the second air pipe (5), a fixing block (601) is inserted into the outer surface of the first fixing rod (6), a second fixing rod (7) is connected with the inner wall joint of the first fixing rod (6), a first metal rod (8) is inserted into the outer surface of the second fixing rod (7), a sliding block (801) is installed on the outer surface of the first metal rod (8), and two wind shields (9) are hinged to the outer side surface of the fixing block (601), the outer side surfaces of the two wind shields (9) are respectively provided with a first sliding groove (10), the inner parts of the first sliding grooves (10) are respectively connected with a first sliding rod (11) in a sliding manner, the first sliding rods (11) are rotatably connected with a sliding block (801), the outer surface of the sliding block (801) is fixedly provided with a second metal rod (12), the lower end of the second metal rod (12) is fixedly provided with a first telescopic rod (13), the inner wall of the second air pipe (5) is provided with a groove (14), the outer surface of the second air pipe (5) is provided with four openings (15), the four openings (15) penetrate through the outer surface of the second air pipe (5) to the groove (14), the inner part of the groove (14) is provided with a second sliding rod (16), one side of the second sliding rod (16) penetrates through the opening (15) to be arranged on the outer surface of the second air pipe (5), and the outer surface of the sliding block (801) is fixedly connected with a second telescopic rod (17), the utility model discloses a fan, including second telescopic link (17), the inside of second telescopic link (17) is inserted and is equipped with handle (18), and the one end and slider (801) fixed connection of handle (18), the inside fixed mounting of draught fan body (1) has air door (19), the front fixed mounting of draught fan body (1) has third tuber pipe (20), third tuber pipe (20) right flank fixed mounting has motor (21), and the output shaft fixed connection of motor (21) has first pivot (211), and first pivot (211) pierce through to the inside of third tuber pipe (20), the surface of motor (21) has cup jointed first gear (22), the side meshing that has of first gear (22) is connected with second gear (221), the inside of second gear (221) is inserted and is equipped with second pivot (23), and the inner wall and the second pivot (23) external fixed connection of second gear (221), one end fixed mounting that air door (19) were kept away from in second pivot (23) has bearing fixing plate (24), and bearing fixing plate (24) and third tuber pipe (20) fixed connection, one end fixed mounting that second pivot (23) are close to air door (19) has brush (25), second spout (26) have been seted up to the lateral surface of third tuber pipe (20), box (27) have been placed below second spout (26), the lower surface of third tuber pipe (20) is inserted and is equipped with screw (28), and screw (28) pierce through in third tuber pipe (20) to box (27).

2. The induced draft fan with the drying device according to claim 1, wherein: the outer surface of the handle (18) is sleeved with a rubber sleeve, and anti-skid lines are arranged on the surface of the rubber sleeve.

3. The induced draft fan with the drying device according to claim 1, wherein: and a metal cover is arranged on the outer side of the motor (21), and the inner wall of the metal cover is fixedly connected with the third air pipe (20).

4. The induced draft fan with the drying device according to claim 1, wherein: the bottom of draught fan body (1) is installed the foam-rubber cushion, and the foam-rubber cushion is evenly placed.

5. The induced draft fan with the drying device according to claim 1, wherein: the first sliding groove (10) is a T-shaped groove, the first sliding rod (11) is a T-shaped sliding rod, and the first sliding groove (10) is larger than the first sliding rod (11).

6. The induced draft fan with the drying device according to claim 1, wherein: the two wind shields (9) are semicircular, and the wind shields (9) are metal plates.

Images