CN215566612U - High-pressure air-cooled Roots blower - Google Patents

Abstract

The utility model discloses a high-pressure air-cooled Roots blower, which comprises a machine base, a protective cover and a bottom plate, a first base is fixed on one side of the upper surface of the machine base, a motor is fixed at the top end of the first base, a second base is fixed on the other side of the upper surface of the machine base, a fan body is fixed at the top end of the second base, the fan body is connected with the motor through a coupler, the protective cover covers the coupler between the fan body and the motor, the middle of both ends is fixed with threaded sleeve respectively around the protection casing bottom, two threaded sleeve installs the threaded rod in the interior difference screw thread of threaded sleeve, two the bottom of threaded rod is fixed with the second gear respectively, two the second gear bottom is connected through the rotation in the middle of second pivot and bottom plate upper surface front and back both ends respectively, the centre of bottom plate upper surface is rotated through first pivot and is installed first gear. The utility model has the advantages that the protective cover can move up and down to adjust the position, and the coupler is convenient to disassemble and maintain.

Description

High-pressure air-cooled Roots blower

Technical Field

The utility model relates to the technical field of Roots blowers, in particular to a high-pressure air-cooled Roots blower.

Background

The Roots blower belongs to a positive displacement blower, and the end faces of an impeller and front and rear end covers of the blower. The principle is a rotary compressor which compresses and conveys gas by utilizing the relative motion of two blade-shaped rotors in a cylinder. The blower has simple structure and convenient manufacture, is widely applied to aquaculture oxygenation, sewage treatment aeration and cement conveying, is more suitable for a gas conveying and pressurizing system in a low-pressure occasion, and can also be used as a vacuum pump and the like.

The high-pressure air-cooled Roots blower adopts a coupler for transmission, and the motor is connected with the fan through the coupler. The protective cover is arranged at the coupler and used for protecting the coupler, the protective cover is directly fixed on the base and covers the coupler, the protective cover is difficult to detach when the coupler is detached, and the coupler is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-pressure air-cooled Roots blower, which has the advantages that a protective cover can be moved up and down to adjust the position, and the coupler is convenient to disassemble and maintain, and solves the problems that the protective cover is directly fixed on a machine base, the coupler is covered by the protective cover, the protective cover is difficult to disassemble when the coupler is disassembled, and the use is inconvenient.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-pressure air-cooled Roots blower comprises a base, a protective cover and a bottom plate, wherein a first base is fixed on one side of the upper surface of the base, a motor is fixed at the top end of the first base, a second base is fixed at the other side of the upper surface of the machine base, a fan body is fixed at the top end of the second base, the fan body is connected with the motor through a coupler, the protection casing cover is on the shaft coupling between fan body and the motor, the centre at both ends is fixed with threaded sleeve respectively around the protection casing bottom, two threaded sleeve installs the threaded rod in the threaded sleeve respectively the screw thread, two the bottom of threaded rod is fixed with the second gear respectively, two the second gear bottom is connected through the intermediate rotation at both ends around second pivot and the bottom plate upper surface respectively, the centre of bottom plate upper surface is rotated through first pivot and is installed first gear.

Preferably, an air inlet channel is fixed at the top end of the fan body, an air exhaust channel is fixed on the front surface of the fan body, and the air inlet channel and the air exhaust channel are respectively communicated with the inner cavity of the fan body.

Preferably, the inner wall of the protective cover is not in contact with a coupling between the fan body and the motor.

Preferably, a threaded hole formed in the middle of the threaded sleeve is matched with the threaded rod, and the threaded rod extends out of the bottom of the threaded sleeve.

Preferably, the first gear is respectively in meshed connection with the two second gears.

Preferably, a circular wheel is fixed in the middle of the upper surface of the first gear.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the first gear, the second gear, the threaded rod and the threaded sleeve are arranged, so that the effects of adjusting the position of the protective cover in an up-and-down movement manner and facilitating the disassembly and maintenance of the coupler are achieved. The utility model is provided with a first gear, a second gear, a threaded rod and a threaded sleeve, under normal conditions, a protective cover covers a coupler between a motor and a fan body, when the coupler needs to be disassembled and maintained, a round wheel is rotated, the round wheel drives the first gear to rotate, the rotating first gear respectively drives two second gears to rotate, the second gears drive the threaded rod to rotate, the threaded rod and the threaded sleeve are in threaded connection, the threaded sleeve moves upwards while the threaded rod rotates, the threaded sleeve does not rotate in the process of moving upwards, the protective cover moves upwards to expose the coupler, and workers can conveniently disassemble and maintain the coupler. After the maintenance, the round wheel is rotated reversely, the threaded sleeve moves downwards until the protective cover covers the coupler.

Drawings

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

FIG. 2 is a left side view of the present invention;

FIG. 3 is a left side view of the connection structure of the shield of the present invention;

fig. 4 is an enlarged schematic view of fig. 3 a according to the present invention.

In the figure: 1. a machine base; 2. a first base; 3. a motor; 4. a protective cover; 5. a fan body; 6. an air inlet channel; 7. an air exhaust channel; 8. a second base; 9. a threaded bushing; 10. a first gear; 11. a first rotating shaft; 12. a round wheel; 13. a base plate; 14. a threaded rod; 15. a second gear; 16. a second rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to fig. 2, an embodiment of the present invention includes: a high-pressure air-cooled Roots blower comprises a base 1, wherein a first base 2 is fixed on one side of the upper surface of the base 1, and a motor 3 is fixed at the top end of the first base 2, as is well known to those skilled in the art, the provision of the motor 3 is common, and belongs to conventional means or common knowledge, which is not described herein again, and the those skilled in the art can carry out any selection according to the needs or convenience. The second base 8 is fixed on the other side of the upper surface of the base 1, and the blower body 5 is fixed at the top end of the second base 8, as is well known to those skilled in the art, the blower body 5 is provided with common knowledge, which belongs to conventional means or common general knowledge and is not described herein again, and those skilled in the art can optionally select and match according to their needs or convenience. An air inlet channel 6 is fixed at the top end of the fan body 5, an air exhaust channel 7 is fixed on the front surface of the fan body 5, and the air inlet channel 6 and the air exhaust channel 7 are respectively communicated with the inner cavity of the fan body 5. The fan body 5 is connected with the motor 3 through a coupler.

The motor 3 drives the impeller in the fan body 5 to rotate after being started, and the rotating impeller compresses air entering the inner cavity of the fan body 5 through the air inlet channel 6 and then discharges the air from the air exhaust channel 7.

Example 2

Referring to fig. 1, fig. 3 and fig. 4, an embodiment of the present invention: the utility model provides a high pressure air-cooled type roots blower, includes frame 1, protection casing 4 and bottom plate 13, and 4 covers on the shaft coupling between fan body 5 and motor 3 of protection casing, and 4 inner walls of protection casing and the shaft coupling contactless between fan body 5 and the motor 3. Threaded sleeves 9 are respectively fixed in the middle of the front end and the rear end of the bottom of the protective cover 4, threaded rods 14 are respectively installed in the two threaded sleeves 9 in a threaded mode, threaded holes formed in the middle of the threaded sleeves 9 are matched with the threaded rods 14, and the threaded rods 14 extend out of the bottom of the threaded sleeves 9. Second gears 15 are respectively fixed at the bottom ends of the two threaded rods 14, the bottom ends of the two second gears 15 are respectively rotatably connected with the middle of the front end and the rear end of the upper surface of the bottom plate 13 through second rotating shafts 16, a first gear 10 is rotatably installed in the middle of the upper surface of the bottom plate 13 through a first rotating shaft 11, and the first gear 10 is respectively connected with the two second gears 15 in a meshed mode. A circular wheel 12 is fixed in the middle of the upper surface of the first gear 10.

When the coupler needs to be disassembled and maintained, the round wheel 12 is rotated, the round wheel 12 drives the first gear 10 to rotate, the first gear 10 rotates to drive the two second gears 15 to rotate respectively, the second gear 15 drives the threaded rod 14 to rotate, because the threaded rod 14 is in threaded connection with the threaded sleeve 9, the threaded sleeve 9 moves upwards when the threaded rod 14 rotates, the threaded sleeve 9 does not rotate in the process of moving upwards, the protective cover 4 moves upwards to expose the coupler, and workers can conveniently disassemble and maintain the coupler. After the maintenance, the round wheel 12 is rotated reversely, and the threaded sleeve 9 moves downwards until the protective cover 4 covers the coupler.

The working principle is as follows: when the coupler is disassembled and maintained, the round wheel 12 is rotated, the round wheel 12 drives the first gear 10 to rotate, the rotating first gear 10 drives the two second gears 15 to rotate respectively, the second gears 15 drive the threaded rods 14 to rotate, the threaded sleeve 9 moves upwards while the threaded rods 14 rotate, the protective cover 4 moves upwards to expose the coupler, and a worker disassembles and overhauls the coupler.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 a high-pressure air-cooled type roots blower, includes frame (1), protection casing (4) and bottom plate (13), its characterized in that: the improved fan is characterized in that a first base (2) is fixed on one side of the upper surface of the base (1), a motor (3) is fixed on the top of the first base (2), a second base (8) is fixed on the other side of the upper surface of the base (1), a fan body (5) is fixed on the top of the second base (8), the fan body (5) and the motor (3) are connected through a coupler, a protective cover (4) covers a coupler between the fan body (5) and the motor (3), threaded sleeves (9) are fixed in the middles of the front end and the rear end of the bottom of the protective cover (4) respectively, threaded rods (14) are installed in the threaded sleeves (9) in a threaded mode respectively, second gears (15) are fixed at the bottoms of the two threaded rods (14) respectively, and the bottoms of the second gears (15) are connected with the middles of the front end and the rear end of the upper surface of the bottom plate (13) through second rotating shafts (16) respectively, a first gear (10) is rotatably arranged in the middle of the upper surface of the bottom plate (13) through a first rotating shaft (11).

2. The high pressure air-cooled roots blower according to claim 1, wherein: the air exhaust fan is characterized in that an air inlet channel (6) is fixed at the top end of the fan body (5), an air exhaust channel (7) is fixed on the front surface of the fan body (5), and the air inlet channel (6) and the air exhaust channel (7) are respectively communicated with an inner cavity of the fan body (5).

3. The high pressure air-cooled roots blower according to claim 1, wherein: the inner wall of the protective cover (4) is not in contact with a coupler between the fan body (5) and the motor (3).

4. The high pressure air-cooled roots blower according to claim 1, wherein: the threaded sleeve (9) is provided with a threaded hole in the middle which is matched with the threaded rod (14), and the threaded rod (14) extends out of the bottom of the threaded sleeve (9).

5. The high pressure air-cooled roots blower according to claim 1, wherein: the first gear (10) is respectively in meshed connection with the two second gears (15).

6. The high pressure air-cooled roots blower according to claim 1, wherein: a round wheel (12) is fixed in the middle of the upper surface of the first gear (10).

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