CN219733634U

CN219733634U - Two-blade Roots blower capable of preventing foreign matters from being twisted in

Info

Publication number: CN219733634U
Application number: CN202321187363.1U
Authority: CN
Inventors: 卢星强
Original assignee: Shandong Maibat Power Technology Co ltd
Current assignee: Shandong Maibat Power Technology Co ltd
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-09-22
Anticipated expiration: 2033-05-17

Abstract

The utility model discloses a two-leaf Roots blower capable of preventing foreign matters from being twisted in, relates to the technical field of Roots blowers, and aims at the problems that the existing two-leaf Roots blower is usually used in an open-air environment, so that foreign matters (such as leaves and the like) can be twisted in an air inlet pipe, and the two-leaf Roots blower is damaged to influence normal use. The two-blade Roots blower is reasonable in structural design and convenient to use, and the filter pipes are communicated with the air inlet pipe of the two-blade Roots blower, so that foreign matters with different specifications and sizes can be effectively placed into the two-blade Roots blower, damage caused by the foreign matters in the two-blade Roots blower can be avoided, and the two-blade Roots blower is good in use effect and worthy of popularization.

Description

Two-blade Roots blower capable of preventing foreign matters from being twisted in

Technical Field

The utility model relates to the technical field of Roots fans, in particular to a two-blade Roots fan capable of preventing foreign matters from being stranded in.

Background

The Roots blower belongs to a positive displacement blower, and can be generally divided into a two-blade Roots blower and a three-blade Roots blower according to the number of rotors, and the principle is that two blade rotors are utilized to make relative motion in a cylinder to compress and convey gas.

However, the existing two-leaf Roots blower is usually used in an open air environment, so that foreign matters (such as leaves) may be stranded in the air inlet pipe, and the two-leaf Roots blower is damaged, which may affect normal use.

Disclosure of Invention

The utility model aims to solve the defect that the conventional two-leaf Roots blower is usually used in an open air environment, so that foreign matters (such as leaves and the like) possibly enter an air inlet pipe, and the two-leaf Roots blower is damaged, so that normal use is affected.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a two-bladed Roots blower for preventing foreign matter from being twisted in, comprising:

the novel air conditioner comprises a two-leaf Roots blower body and a base, wherein a motor is fixedly arranged on the base, belt pulleys are fixedly arranged on output shafts of the two-leaf Roots blower body and output shafts of the motor, two belt pulleys are driven by the same belt, gears are fixedly sleeved on the two output shafts of the two-leaf Roots blower body, the two gears are meshed, an air inlet pipe and an air outlet pipe are communicated with the two-leaf Roots blower body, a filter pipe is communicated with the air inlet pipe, a plurality of air inlet holes are formed in the filter pipe, an annular filter screen is slidably arranged in the filter pipe, and a blocking cover is slidably arranged on the filter pipe.

In a preferred embodiment, a dust cover is fixedly arranged on the base, a cavity is arranged in the dust cover, and the belt pulley and the gear are both positioned in the cavity.

In a preferred embodiment, universal wheels are fixedly arranged at four corners of the bottom of the base, and a pushing bracket is fixedly arranged at the top of the base.

In a preferred embodiment, an annular support is fixedly arranged on the inner wall of the filter tube, and the annular filter screen is matched with the annular support.

In a preferred embodiment, a flange plate is connected between the filter pipe and the air inlet pipe, and fixing bolts are connected to the two flange plates in a threaded manner.

In a preferred embodiment, an annular clamping plate is fixedly arranged on the inner wall of the top of the blocking cover, a plurality of fixing grooves are formed in the inner wall of the annular clamping plate, a plurality of elastic fixing blocks are fixedly arranged on the filter tube, and the elastic fixing blocks are respectively matched with the corresponding fixing grooves.

According to the two-leaf Roots blower preventing foreign matters from being stranded in, the universal wheels and the pushing frame are arranged on the base, so that the two-leaf Roots blower can be conveniently moved, and further, the two-leaf Roots blower is convenient for workers to operate and install and is convenient to use;

according to the two-blade Roots blower capable of preventing foreign matters from being stranded in, the dust cover is arranged, so that the foreign matters are prevented from being stranded in transmission parts such as the belt pulley and the gear, damage to the two-blade Roots blower is avoided, and the service life of the two-blade Roots blower is remarkably prolonged;

the two-blade Roots blower is reasonable in structural design and convenient to use, and the filter pipes are communicated with the air inlet pipe of the two-blade Roots blower, so that foreign matters with different specifications and sizes can be effectively placed into the two-blade Roots blower, damage caused by the foreign matters in the two-blade Roots blower can be avoided, and the two-blade Roots blower is good in use effect and worthy of popularization.

Drawings

FIG. 1 is a schematic perspective view of a two-blade Roots blower for preventing foreign matters from being twisted in;

FIG. 2 is a schematic cross-sectional view of a two-blade Roots blower for preventing foreign matter from being twisted in;

FIG. 3 is a schematic diagram of a filter tube portion of a two-blade Roots blower for preventing foreign matter from being twisted in;

fig. 4 is a schematic structural diagram of a portion a of a two-blade Roots blower for preventing foreign matters from being twisted in.

In the figure: 1. a two-leaf Roots blower body; 2. a base; 3. a motor; 4. a belt pulley; 5. a belt; 6. a gear; 7. a dust cover; 8. an air inlet pipe; 9. an exhaust pipe; 10. a filter tube; 11. an air inlet hole; 12. an annular bracket; 13. an annular filter screen; 14. a barrier cover; 15. an annular clamping plate; 16. an elastic fixing block; 17. a universal wheel; 18. pushing the bracket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, one embodiment of the present solution provides: a two-bladed Roots blower for preventing foreign matter from being twisted in, comprising:

the novel two-leaf Roots blower comprises a two-leaf Roots blower body 1 and a base 2, wherein a motor 3 is fixedly arranged on the base 2, a belt pulley 4 is fixedly arranged on an output shaft of the two-leaf Roots blower body 1 and an output shaft of the motor 3, two belt pulleys 4 are provided with the same belt 5 in a transmission mode, gears 6 are fixedly sleeved on the two output shafts of the two-leaf Roots blower body 1, the gears 6 are meshed, an air inlet pipe 8 and an air outlet pipe 9 are communicated with the two-leaf Roots blower body 1, a filter pipe 10 is communicated with the air inlet pipe 8, a plurality of air inlet holes 11 are formed in the filter pipe 10, an annular filter screen 13 is slidably arranged in the filter pipe 10, and a blocking cover 14 is slidably arranged on the filter pipe 10.

In this embodiment, fixedly be provided with shield 7 on the base 2, be provided with the cavity in the shield 7, belt pulley 4 with gear 6 all is located in the cavity, can be convenient for carry out dustproof processing to devices such as belt pulley gear, excellent in use effect.

In this embodiment, all fixedly provided with universal wheel 17 on the bottom four corners of base 2, can be convenient for remove this two leaf roots blower, fixedly provided with promotes support 18 on the top of base 2, can be convenient for the workman promote this two leaf roots blower.

In this embodiment, the inner wall of the filter tube 10 is fixedly provided with an annular bracket 12, and the annular filter screen 13 is adapted to the annular bracket 12, so that the annular filter screen can be conveniently and fixedly installed.

In this embodiment, a flange plate is connected between the filter tube 10 and the air inlet tube 8, and two flange plates are connected with fixing bolts in a threaded manner, so that the air inlet tube and the filter tube can be conveniently connected and installed.

In this embodiment, the annular clamping plate 15 is fixedly disposed on the top inner wall of the blocking cover 14, a plurality of fixing grooves are formed in the inner wall of the annular clamping plate 15, a plurality of elastic fixing blocks 16 are fixedly disposed on the filter tube 10, and the elastic fixing blocks 16 are respectively adapted to the corresponding fixing grooves, so that the blocking cover can be conveniently fixed on the filter tube.

When the two-leaf Roots blower is used, the two-leaf Roots blower is pushed to a preset position, the motor 3 is further started, the output shaft of the motor 3 rotates, so that the two belt pulleys 4 can be driven to rotate through the transmission of the belt 5, the two gears 6 can be driven to rotate in a meshed mode, the two-leaf Roots blower can be started, at the moment, negative pressure is generated in the air inlet pipe 8 and is used for sucking air into the two-leaf Roots blower, further, air flows into the two-leaf Roots blower through the air inlet hole 11, and larger foreign matters (such as leaves) flying in the air are prevented from being stranded into the two-leaf Roots blower due to the fact that the air inlet hole 11 is surrounded on the inner side of the blocking cover 14 by the blocking cover 14, and smaller particles in the air can be filtered by the annular filter screen 13, so that the foreign matters can be comprehensively prevented from being stranded into the two-leaf Roots blower.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The utility model provides a two leaf roots fan that prevent foreign matter hank in, includes two leaf roots fan body (1) and base (2), its characterized in that: the novel air conditioner is characterized in that a motor (3) is fixedly arranged on the base (2), a belt pulley (4) is fixedly arranged on the output shaft of the two-blade Roots blower body (1) and the output shaft of the motor (3), two belt pulleys (4) are provided with the same belt (5) in a transmission mode, gears (6) are fixedly sleeved on the two output shafts of the two-blade Roots blower body (1), the gears (6) are meshed, an air inlet pipe (8) and an air outlet pipe (9) are communicated with the two-blade Roots blower body (1), a filter pipe (10) is communicated with the air inlet pipe (8), a plurality of air inlet holes (11) are formed in the filter pipe (10), an annular filter screen (13) is arranged in the filter pipe (10) in a sliding mode, and a blocking cover (14) is arranged on the filter pipe (10) in a sliding mode.

2. The two-blade Roots blower for preventing foreign matters from being stranded in according to claim 1, wherein: the base (2) is fixedly provided with a dust cover (7), a cavity is formed in the dust cover (7), and the belt pulley (4) and the gear (6) are both located in the cavity.

3. The two-blade Roots blower for preventing foreign matters from being stranded in according to claim 1, wherein: universal wheels (17) are fixedly arranged at four corners of the bottom of the base (2), and a pushing bracket (18) is fixedly arranged at the top of the base (2).

4. The two-blade Roots blower for preventing foreign matters from being stranded in according to claim 1, wherein: an annular support (12) is fixedly arranged on the inner wall of the filter tube (10), and the annular filter screen (13) is matched with the annular support (12).

5. The two-blade Roots blower for preventing foreign matters from being stranded in according to claim 1, wherein: a flange plate is connected between the filter pipe (10) and the air inlet pipe (8), and fixing bolts are connected to the two flange plates in a threaded manner.

6. The two-blade Roots blower for preventing foreign matters from being stranded in according to claim 1, wherein: the filter tube is characterized in that an annular clamping plate (15) is fixedly arranged on the inner wall of the top of the blocking cover (14), a plurality of fixing grooves are formed in the inner wall of the annular clamping plate (15), a plurality of elastic fixing blocks (16) are fixedly arranged on the filter tube (10), and the elastic fixing blocks (16) are respectively matched with the corresponding fixing grooves.