CN220687589U - Three-blade Roots blower convenient to clean inside - Google Patents

Abstract

The utility model provides a three-blade Roots blower convenient for cleaning the inside, which comprises a blower housing, wherein a rotor is arranged in the blower housing, an air inlet is formed in the top of the blower housing, an air outlet is formed in the bottom of the blower housing, a supporting seat is arranged at the air inlet, a ventilation groove is formed in the supporting seat in a penetrating manner, the ventilation groove is communicated with the air outlet, a scraping plate is arranged in the blower housing, a connecting rod is fixed on the scraping plate, the moving plate is connected with the supporting seat through an adjusting component, the adjusting component comprises a motor, two first limiting seats and two second limiting seats, and the motor is arranged on the surface of the supporting seat.

Description

Three-blade Roots blower convenient to clean inside

Technical Field

The utility model relates to the field of fans, in particular to a three-blade Roots blower convenient for cleaning the inside.

Background

Three-blade Roots blower is an auxiliary device for compressing and delivering gas by utilizing relative motion of two sets of three-blade rotors in a cylinder, and is widely used in the field of gas delivery.

The existing three-blade Roots blower comprises a box body and a filter screen, wherein the filter screen is generally arranged at the position of an air inlet, but because the filter effect is limited, after the three-blade Roots blower is used for a long time, some fine dust can enter the inside of a shell and is attached to the outer surface of a rotor, so that the abrasion of the end part of the rotor and the inner wall of a cylinder is greatly increased, and the energy of a motor is consumed.

Therefore, it is necessary to provide a new three-blade Roots blower which is convenient for cleaning the inside, and solves the technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the three-blade Roots blower which is convenient for cleaning the inside, and solves the problems that the existing filtering technology is limited, fine dust can enter and adhere to the outer surface of a rotor after long-term use, the abrasion of the end part of the rotor and the inner wall of a cylinder is greatly increased, and the energy of a motor is consumed.

The three-blade Roots blower convenient to clean the inside comprises a blower housing, wherein a rotor is arranged in the blower housing, an air inlet is formed in the top of the blower housing, an air outlet is formed in the bottom of the blower housing, a supporting seat is arranged at the air inlet, a ventilation groove is formed in the supporting seat in a penetrating manner, and the ventilation groove is communicated with the air outlet;

the fan is characterized in that a scraping plate is arranged inside the fan shell, a connecting rod is fixed on the scraping plate, a movable plate is arranged above the supporting seat, and the movable plate is connected with the supporting seat through an adjusting component.

In a preferred embodiment, one side of the moving plate is provided in a tapered shape.

In a preferred embodiment, the adjusting assembly comprises a motor, two first limiting seats and two second limiting seats, and the motor is mounted on the surface of the supporting seat;

the two first limiting seats and the two second limiting seats are fixed on the surface of the supporting seat at intervals, threaded rods are movably arranged between the two first limiting seats through bearings, and sliding rails are fixed between the two second limiting seats;

the two ends of the moving plate are respectively fixed with a first moving block and a second moving block, the first moving block is in threaded connection with the threaded rod, and the second moving block is in sliding connection with the sliding rail.

In a preferred embodiment, the surface of the supporting seat is fixed with a mounting frame, and four through holes are formed in the surface of the mounting frame in a square shape, wherein every two through holes are in a group, and the sizes of the two groups of through holes are respectively matched with the diameters of the threaded rod and the sliding rail.

In a preferred embodiment, the filter screen is mounted on the mounting frame by bolts.

The utility model has the beneficial effects that: when needs clear up the impurity on rotor surface, staff's accessible is opened the motor and is driven the threaded rod and rotate, under the drive of threaded rod, the movable plate can be moved along the slide rail, and then make the scraper blade also follow and remove, can make the scraper blade remove two dashed line departments as shown in the figure in proper order through control motor, when the scraper blade removes dashed line department, the rotor rotates and can contact with the scraper blade, thereby make the scraper blade strike off the impurity on rotor surface, and the impurity after striking off can be discharged to the fan shell outside from the air outlet under the drive of rotor, current filtration technique is limited, tiny dust can get into and attach at the rotor surface after long-time use, greatly increased the wearing and tearing of rotor tip and cylinder inner wall, the problem of the energy of consumed the motor.

Drawings

FIG. 1 is a perspective view I of the main structure of a three-bladed Roots blower for facilitating cleaning the interior of the blower;

FIG. 2 is a front view of the main structure of the three-blade Roots blower for cleaning the interior of the blower;

FIG. 3 is a top view of the main structure of the three-bladed Roots blower for facilitating cleaning the interior of the blower provided by the utility model;

FIG. 4 is a second perspective view of the main structure of the three-bladed Roots blower for cleaning the interior of the present utility model;

fig. 5 is a schematic structural diagram of a mounting frame provided by the present utility model.

Reference numerals in the drawings: 1. a blower housing; 2. a rotor; 3. an air inlet; 4. an air outlet; 5. a support base; 6. a ventilation groove; 7. a scraper; 8. a connecting rod; 9. a moving plate; 10. a motor; 11. the first limiting seat; 12. the second limiting seat; 13. a threaded rod; 14. a slide rail; 15. a first moving block; 16. a second moving block; 17. a mounting frame; 18. a through hole; 19. a bolt; 20. and (3) a filter screen.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5 in combination, fig. 1 is a perspective view of a main structure of a three-blade Roots blower for cleaning the interior according to the present utility model; FIG. 2 is a front view of the main structure of the three-blade Roots blower for cleaning the interior of the blower; FIG. 3 is a top view of the main structure of the three-bladed Roots blower for facilitating cleaning the interior of the blower provided by the utility model; FIG. 4 is a second perspective view of the main structure of the three-bladed Roots blower for cleaning the interior of the present utility model; fig. 5 is a schematic structural diagram of a mounting frame provided by the present utility model.

In a specific implementation process, as shown in fig. 1-5, a fan housing 1, a rotor 2 is mounted inside the fan housing 1, an air inlet 3 is formed in the top of the fan housing 1, an air outlet 4 is formed in the bottom of the fan housing 1, a supporting seat 5 is mounted at the air inlet 3, a ventilation groove 6 is formed in the supporting seat 5 in a penetrating mode, the ventilation groove 6 is communicated with the air outlet 4, a scraping plate 7 is arranged inside the fan housing 1, a connecting rod 8 is fixed on the scraping plate 7, a moving plate 9 is arranged above the supporting seat 5, the moving plate 9 is connected with the supporting seat 5 through an adjusting component, one side of the moving plate 9 is arranged into a conical shape, and resistance to wind at the air inlet 3 is reduced.

The adjusting component comprises a motor 10, two first limiting seats 11 and two second limiting seats 12, the motor 10 is arranged on the surface of the supporting seat 5, the two first limiting seats 11 and the two second limiting seats 12 are fixed on the surface of the supporting seat 5 at intervals, a threaded rod 13 is movably arranged between the two first limiting seats 11 through a bearing, a sliding rail 14 is fixed between the two second limiting seats 12, a first moving block 15 and a second moving block 16 are respectively fixed at two ends of the moving plate 9, the first moving block 15 is in threaded connection with the threaded rod 13, the second moving block 16 is in sliding connection with the sliding rail 14, a worker can drive the threaded rod 13 to rotate by opening the motor 10, and the moving plate 9 can move along the sliding rail 14 under the driving of the threaded rod 13.

The supporting seat 5 surface is fixed with the installing frame 17, and four through holes 18 have been seted up to installing frame 17 surface in square, and wherein every two through holes 18 are a set of, and the size of two sets of through holes 18 respectively with threaded rod 13 and slide rail 14 diameter phase-match, and the gap between through hole 18 and threaded rod 13 and slide rail 14 is sealed the processing, prevents outside dust and does not get into inside the casing through the filter screen.

The filter screen 20 is arranged on the mounting frame 17 through bolts 19, so that the filter screen can filter impurities in the air.

The working principle of the utility model is as follows: when needs clear up the impurity on rotor 2 surface, staff's accessible opens motor 10 and drives threaded rod 13 rotation, under the drive of threaded rod 13, movable plate 9 can remove along slide rail 14, and then make scraper blade 7 remove as well, can make scraper blade 7 remove two dashed line departments as shown in fig. 2 in proper order through control motor 10, when scraper blade 7 removes dashed line department, rotor 2 can contact with scraper blade 7 in the rotation, thereby make scraper blade 7 strike off the impurity on rotor 2 outermost side, and the impurity after striking off can be discharged to fan housing 1 outside from air outlet 4 under the drive of rotor 2.

The circuits and control involved in the present utility model are all of the prior art, and are not described in detail herein.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (5)

1. The utility model provides a three leaf Roots blower convenient to clearance is inside, includes blower housing (1), its characterized in that, blower housing (1) internally mounted has rotor (2), blower housing (1) top is provided with air intake (3), blower housing (1) bottom is provided with air outlet (4), supporting seat (5) are installed to air intake (3) department, ventilation groove (6) have been run through on supporting seat (5), ventilation groove (6) with air outlet (4) are linked together;

the fan is characterized in that a scraping plate (7) is arranged inside the fan shell (1), a connecting rod (8) is fixed on the scraping plate (7), a moving plate (9) is arranged above the supporting seat (5), and the moving plate (9) is connected with the supporting seat (5) through an adjusting component.

2. The three-blade Roots blower for facilitating cleaning of the inside according to claim 1, wherein one side of the moving plate (9) is tapered.

3. The three-blade Roots blower convenient for cleaning the interior according to claim 2, wherein the adjusting assembly comprises a motor (10), two first limiting seats (11) and two second limiting seats (12), and the motor (10) is mounted on the surface of the supporting seat (5);

the two first limiting seats (11) and the two second limiting seats (12) are fixed on the surface of the supporting seat (5) at intervals, threaded rods (13) are movably arranged between the two first limiting seats (11) through bearings, and sliding rails (14) are fixed between the two second limiting seats (12);

the two ends of the moving plate (9) are respectively fixed with a first moving block (15) and a second moving block (16), the first moving block (15) is in threaded connection with the threaded rod (13), and the second moving block (16) is in sliding connection with the sliding rail (14).

4. A three-blade Roots blower convenient for cleaning the inside according to claim 3, wherein a mounting frame (17) is fixed on the surface of the supporting seat (5), four through holes (18) are formed in a square shape on the surface of the mounting frame (17), each two through holes (18) are in a group, and the sizes of the two groups of through holes (18) are respectively matched with the diameters of the threaded rod (13) and the sliding rail (14).

5. The three-blade Roots blower convenient for cleaning the inside according to claim 4, wherein a filter screen (20) is mounted on the mounting frame (17) through bolts (19).