Exhaust device with dust removal device

Abstract

The utility model relates to the technical field of exhaust devices, and discloses an exhaust device with a dust removal device, which comprises a ventilation pipe, a filter shell is arranged on the right side of the ventilation pipe, the left end of the filter shell extends into the ventilation pipe, and the exhaust device is arranged in the ventilation pipe. According to the exhaust device with the dust removal device, by arranging a first gear, a second gear, a first rotating shaft, a second rotating shaft, first bevel gears, a scraper, a second spring, an extension rod, a third spring and a mounting shell, a double-head motor drives the first rotating shaft to rotate by utilizing the first gear and the second gear, and the two first bevel gears are utilized to drive the first rotating shaft to rotate; a first rotating shaft drives a second rotating shaft, a mounting shell, an extension rod and a scraping plate to rotate, so that the scraping plate scrapes the inner wall of the filter shell to prevent impurities from blocking the inner wall of the filter shell, certain extrusion force is kept between the outer surface of the scraping plate and the inner wall of the filter shell by utilizing elastic force of a third spring, and when the filter shell is mounted by utilizing tension of a second spring, the inner wall of the filter shell is prevented from being blocked. The right end of the scraper is arranged inside the outer surface of the filter shell.

Description

Technical Field

[0001] The utility model relates to the technical field of exhaust devices, in particular to an exhaust device with a dust removal device. Background Art

[0002] When factories are processing, they often produce some processing debris. Using exhaust fans to directly discharge the processing debris into the air will reduce the air quality near the factory.

[0003] A Chinese patent discloses an exhaust dust removal device for a disperser, with publication number CN215232866U, comprising a fan outer cylinder and a motor frame, wherein the inner wall of the fan outer cylinder is fixedly equipped with a motor frame, the inner wall of the motor frame is fixedly equipped with a motor, the side wall of the motor is equipped with a rotating shaft, the outer wall of the rotating shaft is fixedly equipped with fan blades, the inner wall of the fan outer cylinder is connected to a sleeve through a fixed structure, the outer end of the inner wall of the sleeve is equipped with a dust suction structure, the inner wall of the sleeve is fixedly equipped with a filter at one end close to the fan blades, the top surface of the inner cavity of the sleeve is fixedly equipped with a support cylinder, and the support cylinder is sleeved on the outer wall of the rotating shaft. The fixed structure makes it easy to disassemble and install the sleeve, thereby ensuring the use effect of the equipment, and the filter can absorb and block part of the dust to ensure the dust removal effect, and the dust can be absorbed in it by the dust suction structure. After the work is completed, it is uniformly collected and processed to ensure the dust suction effect.

[0004] However, there are still some disadvantages: the device uses the inner wall of the fur barrel to absorb dust, but the inner wall area of ​​the fur barrel is very limited, and the impurities adsorbed are very limited, which requires a high cleaning frequency of the device and increases the labor intensity of workers. To this end, we propose an exhaust device with a dust removal device to solve this problem. Utility Model Content

[0005] The purpose of the present invention is to provide an exhaust device with a dust removal device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an exhaust device with a dust removal device, comprising a ventilation pipe, a filter shell is provided on the right side of the ventilation pipe, the left end of the filter shell extends into the interior of the ventilation pipe, an exhaust device is provided inside the ventilation pipe, and the exhaust device includes a power unit;

[0007] The power unit includes a double-headed motor, fan blades and a third rotating shaft. The outer surface of the third rotating shaft is provided with a first bracket through a first bearing rotating sleeve. The outer surface of the first bracket is fixedly connected to the inner wall of the ventilation pipe. The fan blade is fixedly sleeved on the outer surface of the third rotating shaft.

[0008] A scraping portion is provided inside the ventilation pipe;

[0009] The scraping part includes a first rotating shaft and a second rotating shaft. The outer surface of the second rotating shaft is provided with a second bracket through a second bearing rotation sleeve. The outer surface of the second bracket is fixedly connected to the inner wall of the ventilation pipe. The outer surface of the bottom end of the first rotating shaft rotates through the third bearing and passes through the inner wall of the ventilation pipe and extends to the bottom of the ventilation pipe.

[0010] A further improvement is that the outer surface of the top end of the output shaft above the double-headed motor rotates through the fourth bearing to penetrate the bottom surface of the ventilation pipe and extend to the inside of the ventilation pipe, and the outer surface of the output shaft of the double-headed motor and the outer surface of the third rotating shaft are fixedly sleeved with a second bevel gear, and the outer surfaces of the two second bevel gears are meshed and connected with each other. By setting up a double-headed motor, a second bevel gear, fan blades and a third rotating shaft, the double-headed motor is used to drive the fan blades to rotate, so that the wind passes through the inside of the ventilation pipe from left to right.

[0011] A further improvement is that the scraping part also includes a first gear, a second gear, a first bevel gear, a scraper, a second spring, an extension rod, a third spring and a mounting shell, the first gear is fixedly sleeved on the outer surface of the output shaft below the double-headed motor, the second gear is fixedly sleeved on the outer surface of the first rotating shaft, and the two first bevel gears are fixedly sleeved on the outer surface of the first rotating shaft and the outer surface of the second rotating shaft respectively, and by arranging the second bevel gear, the first rotating shaft, the second rotating shaft, the first gear, the second gear, the mounting shell, the extension rod and the scraper, the double-headed motor drives the second rotating shaft and the scraper to rotate, so that the scraper scrapes the inner wall of the filter housing.

[0012] A further improvement is that the mounting shell is slidably sleeved on the outer surface of the bottom end of the extension rod, the bottom surface of the mounting shell is fixedly connected to the outer surface of the second rotating shaft, the top end of the extension rod is hinged to the inner wall of the scraper, the bottom end of the second spring is fixedly connected to the outer surface of the extension rod, and the top end of the second spring is fixedly connected to the inner wall of the scraper, and the elastic force of the second spring is used to scrape the outer surface of the scraper and the inner wall of the filter shell.

[0013] A further improvement is that the bottom end of the third spring is fixedly connected to the inner wall of the mounting shell, and the top end of the third spring is fixedly connected to the bottom surface of the extension rod. By setting the third spring and utilizing the tension of the third spring, the filter shell is installed so that the scraper remains tilted so that the outer surface of the right end of the scraper is on the inner side of the inner wall of the left end of the filter shell.

[0014] A further improvement is that the right end face of the filter shell is fixedly connected with a waste pipe, the inner wall of the ventilation pipe is provided with a mounting groove, the inside of the mounting groove is connected with the right side of the ventilation pipe, and a mounting slide rail is provided inside the mounting groove. The outer surface of the mounting slide rail is fixedly connected to the outer surface of the filter shell. By providing the mounting slide rail, the installation of the filter shell is facilitated.

[0015] A further improvement is that a limiting member is provided above the ventilation pipe, and the outer surface of the top end of the limiting member slides through the top surface of the ventilation pipe and the top surface of the upper mounting rail in sequence and extends to the inside of the mounting rail. The top surface of the ventilation pipe is fixedly connected to a first spring, and the top end of the first spring is fixedly connected to the inner wall of the limiting member. By setting the first spring and the limiting member, the tension of the first spring is utilized to make the top end of the limiting member clamp the upper mounting rail.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the exhaust device with a dust removal device is provided with a first gear, a second gear, a first rotating shaft, a second rotating shaft, a first bevel gear, a scraper, a second spring, an extension rod, a third spring and a mounting shell, and the first gear and the second gear are used to make the double-headed motor drive the first rotating shaft to rotate, and the first rotating shaft drives the second rotating shaft, the mounting shell, the extension rod and the scraper to rotate, so that the scraper scrapes the inner wall of the filter shell to prevent impurities from clogging the inner wall of the filter shell, and at the same time, the impurities are discharged from the exhaust pipe, and the wind passes through the filter The net is discharged outward, and the elastic force of the third spring is used to keep a certain extrusion pressure between the outer surface of the scraper and the inner wall of the filter shell. The tension of the second spring is used to ensure that the right end of the scraper is on the inner side of the outer surface of the filter shell when the filter shell is installed; by arranging a double-headed motor, fan blades, a third rotating shaft and a second bevel gear, the double-headed motor is started, and the double-headed motor drives the third rotating shaft and the fan blades to rotate, so that the wind passes through the inside of the ventilation duct from left to right; by arranging a discharge pipe, a limiter, a first spring and a mounting rail, the elastic force of the first spring is used to make the limiter clamp the upper mounting rail, thereby facilitating the installation and disassembly of the filter shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a sectional view of the three-dimensional structure of the utility model;

[0019] Figure 3 for Figure 2 A magnified view of the structure at center A;

[0020] Figure 4 for Figure 2 A magnified view of the structure at point B in the middle;

[0021] Figure 5 It is a partial cross-sectional view of the three-dimensional structure of the utility model.

[0022] In the figure: 1 ventilation pipe, 2 exhaust device, 21 scraping part, 22 power part, 211 first gear, 212 second gear, 213 first rotating shaft, 214 second rotating shaft, 215 first bevel gear, 216 scraper, 217 second spring, 218 extension rod, 219 third spring, 210 mounting shell, 221 double-headed motor, 222 fan blade, 223 third rotating shaft, 224 second bevel gear, 3 rows of miscellaneous pipes, 4 limiter, 5 first spring, 6 mounting rail, 7 filter shell. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-Figure 5 The utility model provides a technical solution: an exhaust device with a dust removal device, comprising a ventilation pipe 1, a filter shell 7 is provided on the right side of the ventilation pipe 1, the left end of the filter shell 7 extends into the interior of the ventilation pipe 1, an exhaust device 2 is provided inside the ventilation pipe 1, and the exhaust device 2 includes a power part 22;

[0025] The power unit 22 includes a double-headed motor 221, fan blades 222 and a third rotating shaft 223. The outer surface of the third rotating shaft 223 is rotatably sleeved with a first bracket through a first bearing. The outer surface of the first bracket is fixedly connected to the inner wall of the ventilation pipe 1. The fan blade 222 is fixedly sleeved on the outer surface of the third rotating shaft 223. The outer surface of the top end of the output shaft above the double-headed motor 221 rotates through the fourth bearing and passes through the bottom surface of the ventilation pipe 1 and extends into the interior of the ventilation pipe 1. The outer surface of the output shaft of the double-headed motor 221 and the outer surface of the third rotating shaft 223 are both fixedly sleeved with a second bevel gear 224. The outer surfaces of the two second bevel gears 224 are meshed and connected with each other by arranging the double-headed motor 221, the fan blades 222, the third rotating shaft 223 and the second bevel gear 224. The double-headed motor 221 is started so that the double-headed motor 221 drives the third rotating shaft 223 and the fan blades 222 to rotate, so that the wind passes through the interior of the ventilation pipe 1 from left to right;

[0026] A scraping portion 21 is provided inside the ventilation pipe 1;

[0027] The scraping portion 21 includes a first rotating shaft 213 and a second rotating shaft 214. The outer surface of the second rotating shaft 214 is rotatably sleeved with a second bracket via a second bearing. The outer surface of the second bracket is fixedly connected to the inner wall of the ventilation pipe 1. The outer surface of the bottom end of the first rotating shaft 213 rotates through the inner wall of the ventilation pipe 1 via a third bearing and extends to the bottom of the ventilation pipe 1. The scraping portion 21 also includes a first gear 211, a second gear 212, a first bevel gear 215, a scraper 216, a second spring 217, an extension rod 218, a third spring 219 and a mounting shell 210. The first gear 211 is fixedly sleeved on the outer surface of the output shaft below the double-headed motor 221.

[0028] The second gear 212 is fixedly sleeved on the outer surface of the first rotating shaft 213. The two first bevel gears 215 are fixedly sleeved on the outer surfaces of the first rotating shaft 213 and the second rotating shaft 214 respectively. The mounting shell 210 is slidably sleeved on the outer surface of the bottom end of the extension rod 218. The bottom surface of the mounting shell 210 is fixedly connected to the outer surface of the second rotating shaft 214. The top of the extension rod 218 is hinged to the inner wall of the scraper 216. The bottom end of the second spring 217 is fixedly connected to the outer surface of the extension rod 218, and the top of the second spring 217 is fixedly connected to the inner wall of the scraper 216.

[0029] The bottom end of the third spring 219 is fixedly connected to the inner wall of the mounting shell 210, and the top end of the third spring 219 is fixedly connected to the bottom surface of the extension rod 218. By setting the first gear 211, the second gear 212, the first rotating shaft 213, the second rotating shaft 214, the first bevel gear 215, the scraper 216, the second spring 217, the extension rod 218, the third spring 219 and the mounting shell 210, the first gear 211 and the second gear 212 are used to make the double-headed motor 221 drive the first rotating shaft 213 to rotate, and the two first bevel gears 21 5. The first rotating shaft 213 drives the second rotating shaft 214, the mounting housing 210, the extension rod 218, and the scraper 216 to rotate, so that the scraper 216 scrapes the inner wall of the filter housing 7 to prevent impurities from clogging the inner wall of the filter housing 7. At the same time, impurities are discharged from the exhaust pipe 3, and the wind passes through the filter screen 7 and is discharged to the outside. The elastic force of the third spring 219 is used to maintain a certain squeezing force between the outer surface of the scraper 216 and the inner wall of the filter housing 7. The tension of the second spring 217 is used to ensure that the right end of the scraper 216 is on the inner side of the outer surface of the filter housing 7 when the filter housing 7 is installed.

[0030] The right end face of the filter shell 7 is fixedly connected with a drainage pipe 3, and a mounting groove is provided on the inner wall of the ventilation pipe 1. The inside of the mounting groove is connected with the right side of the ventilation pipe 1, and a mounting slide rail 6 is provided inside the mounting groove. The outer surface of the mounting slide rail 6 is fixedly connected to the outer surface of the filter shell 7. A limiting member 4 is provided above the ventilation pipe 1. The outer surface of the top end of the limiting member 4 slides through the top surface of the ventilation pipe 1 and the top surface of the upper mounting slide rail 6 in turn and extends to the inside of the mounting slide rail 6. A first spring 5 is fixedly connected to the top surface of the ventilation pipe 1, and the top of the first spring 5 is fixedly connected to the inner wall of the limiting member 4. By setting the drainage pipe 3, the limiting member 4, the first spring 5 and the mounting slide rail 6, the elastic force of the first spring 5 is used to make the limiting member 4 clamp the upper mounting slide rail 6, which is convenient for installation and disassembly of the filter shell 7.

[0031] When in use, the double-headed motor 221 is started, and the second bevel gear 224 is used. The output shaft above the double-headed motor 221 drives the third rotating shaft 223 to rotate, and the third rotating shaft 223 drives the fan blades 222 to rotate, and the fan blades 222 drive the air inside the ventilation pipe 1 to flow to the right. The output shaft below the double-headed motor 221 drives the first gear 211 to rotate, and the first gear 211 drives the second gear 212 to rotate, and the second rotating shaft 212 drives the first rotating shaft 213 and the left first bevel gear 215 to rotate, and the left first bevel gear 215 drives the right first bevel gear 215 to rotate, and the right first bevel gear 215 drives the second rotating shaft 214 to rotate, and the second rotating shaft 214 drives the mounting shell 210, the extension rod 218 and the scraper 216 to rotate, so that impurities adhered to the inner wall of the filter shell 7 are scraped off and discharged from the exhaust pipe 3.

[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An exhaust device with a dust removal device, comprising a ventilation pipe (1), characterized in that: A filter shell (7) is arranged on the right side of the ventilation pipe (1), and the left end of the filter shell (7) extends into the interior of the ventilation pipe (1). An exhaust device (2) is arranged inside the ventilation pipe (1), and the exhaust device (2) includes a power unit (22); The power unit (22) comprises a double-headed motor (221), a fan blade (222) and a third rotating shaft (223); a first bracket is rotatably sleeved on the outer surface of the third rotating shaft (223) via a first bearing; the outer surface of the first bracket is fixedly connected to the inner wall of the ventilation pipe (1); and the fan blade (222) is fixedly sleeved on the outer surface of the third rotating shaft (223); A scraping portion (21) is provided inside the ventilation pipe (1); The scraping portion (21) comprises a first rotating shaft (213) and a second rotating shaft (214); the outer surface of the second rotating shaft (214) is rotatably sleeved with a second bracket via a second bearing; the outer surface of the second bracket is fixedly connected to the inner wall of the ventilation pipe (1); the outer surface of the bottom end of the first rotating shaft (213) is rotatably penetrated through the inner wall of the ventilation pipe (1) via a third bearing and extends to the bottom of the ventilation pipe (1).

2. The exhaust device with a dust removal device according to claim 1, characterized in that: The outer surface of the top end of the output shaft above the double-headed motor (221) rotates through the bottom surface of the ventilation pipe (1) through a fourth bearing and extends into the interior of the ventilation pipe (1); the outer surface of the output shaft of the double-headed motor (221) and the outer surface of the third rotating shaft (223) are both fixedly sleeved with a second bevel gear (224); the outer surfaces of the two second bevel gears (224) are meshed and connected with each other.

3. The exhaust device with a dust removal device according to claim 1, characterized in that: The scraping portion (21) further comprises a first gear (211), a second gear (212), a first bevel gear (215), a scraper (216), a second spring (217), an extension rod (218), a third spring (219) and a mounting shell (210); the first gear (211) is fixedly sleeved on the outer surface of the output shaft below the double-headed motor (221); the second gear (212) is fixedly sleeved on the outer surface of the first rotating shaft (213); and the two first bevel gears (215) are fixedly sleeved on the outer surface of the first rotating shaft (213) and the outer surface of the second rotating shaft (214), respectively.

4. The exhaust device with dust removal device according to claim 3, characterized in that: The mounting shell (210) is slidably mounted on the outer surface of the bottom end of the extension rod (218); the bottom surface of the mounting shell (210) is fixedly connected to the outer surface of the second rotating shaft (214); the top end of the extension rod (218) is hinged to the inner wall of the scraper (216); the bottom end of the second spring (217) is connected to the outer surface of the extension rod (218); and the top end of the second spring (217) is fixedly connected to the inner wall of the scraper (216).

5. The exhaust device with dust removal device according to claim 3, characterized in that: The bottom end of the third spring (219) is fixedly connected to the inner wall of the mounting shell (210), and the top end of the third spring (219) is fixedly connected to the bottom surface of the extension rod (218).

6. The exhaust device with dust removal device according to claim 1, characterized in that: The right end surface of the filter shell (7) is fixedly connected with a waste discharge pipe (3), the inner wall of the ventilation pipe (1) is provided with a mounting groove, the inside of the mounting groove is connected with the right side of the ventilation pipe (1), a mounting slide rail (6) is provided inside the mounting groove, and the outer surface of the mounting slide rail (6) is fixedly connected with the outer surface of the filter shell (7).

7. The exhaust device with a dust removal device according to claim 1, characterized in that: A limiting member (4) is arranged above the ventilation pipe (1), and the outer surface of the top end of the limiting member (4) slides through the top surface of the ventilation pipe (1) and the top surface of the upper mounting rail (6) in sequence and extends to the inside of the mounting rail (6). The top surface of the ventilation pipe (1) is fixedly connected to a first spring (5), and the top end of the first spring (5) is fixedly connected to the inner wall of the limiting member (4).

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