CN213655123U - Roots fan parallel unit with large air volume - Google Patents
Roots fan parallel unit with large air volume Download PDFInfo
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- CN213655123U CN213655123U CN202022483371.3U CN202022483371U CN213655123U CN 213655123 U CN213655123 U CN 213655123U CN 202022483371 U CN202022483371 U CN 202022483371U CN 213655123 U CN213655123 U CN 213655123U
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- roots blower
- bent pipe
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- pipe
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Abstract
The utility model provides a Roots blower parallel unit with large air volume, which comprises a base and a Roots blower, wherein the base is provided with a rotating part shield and is provided with a motor and two Roots blowers which are symmetrically distributed in sequence; the upper side of the Roots blower is provided with an air inlet pipe and an inlet connection three-way bent pipe connected with the Roots blower, and the air inlet pipe is connected with the connection three-way bent pipe and communicated with the interior of the connection three-way bent pipe; the other side of the Roots blower is connected with the same outlet connecting three-way bent pipe and the main pipeline through an elastic joint for damping. The utility model has compact structure and reasonable distribution of all parts, thus reducing the installation space of the device; and this device sets up a power supply, drives two ordinary roots fans through a motor promptly, avoids setting up too much power supply.
Description
Technical Field
The utility model belongs to the technical field of the roots fan, specifically speaking is a big volume roots fan parallel unit.
Background
The Roots blower is a high-pressure blower, and has been widely used in many fields due to its simple structure, stable operation, stable performance, and suitability for various uses. As the motor, the bearing, the impeller, the gear and the like of the Roots blower are all standard elements, once the model of the blower is determined, the corresponding air volume, air pressure and energy consumption are also determined.
According to the working requirement, different requirements are provided for the use air quantity of the Roots blower. But current roots's fan in the course of the work, its structural design is single, leads to the amount of wind in the course of the work not concentrated, influences the efficiency of fan, also can't satisfy the work demand of big amount of wind.
Therefore, it is necessary to design a large-air-volume roots blower parallel unit to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a parallelly connected unit of big amount of wind roots fan for solve the problem that the roots fan amount of wind can not satisfy the work demand, reach the beneficial effect who improves the amount of wind and availability factor.
The utility model discloses a following technical scheme realizes:
a Roots blower parallel unit with large air volume comprises a base and a Roots blower, wherein a rotating part shield is arranged on the base, a motor and two Roots blowers which are symmetrically distributed are sequentially arranged on the base, a motor belt wheel is arranged at one end of an output shaft of the motor, a blower belt wheel is arranged at the inner end of the Roots blower, and the motor belt wheel is connected with the blower belt wheel through a corresponding triangular belt;
the upper side of the Roots blower is provided with an air inlet pipe (namely an air inlet silencer) and an inlet connecting three-way bent pipe connected with the Roots blower, and the air inlet pipe (namely the air inlet silencer) is connected with the inlet connecting three-way bent pipe and is communicated with the inside; the other side of the Roots blower is connected with the same outlet connecting three-way bent pipe and the main pipeline through an elastic joint for damping.
Furthermore, a main pipeline is arranged at the other end of the outlet connecting three-way bent pipe, and an outlet silencer and a one-way valve are arranged between the outlet connecting three-way bent pipe and the main pipeline.
Furthermore, the connecting three-way bent pipe, the air outlet pipe and the Roots blower are respectively connected through elastic joints; the outlet connecting three-way elbow is provided with an unloading valve and a pressure gauge.
Furthermore, the base is of an L-shaped structure, and the installation positions of the motor and the Roots blower are matched with the shape of the base.
Furthermore, the pipe diameter model of the air inlet pipe is one larger than that of the air inlet pipe used by a single Roots blower.
Furthermore, a supporting component is arranged between one side of the air outlet pipe and the mounting surface.
Further, the supporting component include go-between, bracing piece and snap ring, the outlet duct on the movable mounting go-between, go-between one side be equipped with rotatable bracing piece, the go-between middle part is equipped with the snap ring that the cross-section is the C type, bracing piece and snap ring joint cooperation.
The utility model has the advantages that:
the utility model discloses
The utility model has compact structure and reasonable distribution of all parts, thus reducing the installation space of the device; and this device sets up a power supply, drives two ordinary roots fans through a motor promptly, avoids setting up too much power supply, plays energy-concerving and environment-protective effect.
The utility model discloses a two fans are parallelly connected to the pipe diameter is imported and exported in the increase, effectively improves the amount of wind in the business turn over pipe diameter, improves fan work efficiency, reaches the operating mode requirement of the big amount of wind.
The utility model also arranges a supporting component on the air outlet pipe, which can improve the stability of the air outlet pipe and prevent the air outlet pipe from vibrating and generating noise due to the flowing of the air flow; the silencer is matched with an outlet silencer for use, so that the noise is effectively reduced, and the working environment is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a left side view of FIG. 1 with one side fan removed;
FIG. 3 is a top view of FIG. 1 with the intake pipe (i.e., inlet muffler) removed;
FIG. 4 is a schematic structural diagram of a support assembly according to the second embodiment;
FIG. 5 is a second schematic structural view of a support assembly according to a second embodiment;
fig. 6 is a schematic structural diagram of a support assembly in the second embodiment.
In the figure, 1, a base; 2. a rotor guard; 3. a motor; 4. a Roots blower; 5. a motor pulley; 6. a fan belt wheel; 7. a V-belt; 8. an air inlet pipe; 9. the inlet is connected with a three-way bent pipe; 10. the outlet is connected with a three-way bent pipe; 11. a main pipeline; 12. an outlet muffler; 13. a one-way valve; 14. an elastic joint; 15. a connecting ring; 16. a support bar; 17. a snap ring; 18. an unloading valve; 19. and a pressure gauge.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1
A Roots blower parallel unit with large air volume is shown in figures 1-3 and comprises a base 1 and a Roots blower 4, wherein a rotary piece shield 2 is arranged on the base 1, a motor 3 and two Roots blowers 4 which are symmetrically distributed are sequentially arranged in the shield 2, the base 1 is of an L-shaped structure, and the installation positions of the motor 3 and the Roots blower 4 are matched with the shape of the base 1.
As shown in fig. 2 and 3, a motor belt wheel 5 is mounted at one end of an output shaft of the motor 3, a blower belt wheel 6 is arranged at the inner end of the roots blower 4, and the motor belt wheel 5 is connected with the blower belt wheel 6 through a corresponding triangular belt 7; the output shaft of the motor 3 rotates the electric motor belt wheel 5 to rotate, the electric motor belt wheel 5 rotates to drive the fan belt wheel 6 to rotate through the triangular belt 7, and the two Roots fans 4 are driven to work through the motor 3.
As shown in fig. 2, an inlet pipe (i.e. inlet silencer) 8 and an inlet coupling three-way bend 9 connected with the roots blower 4 are arranged on the upper side of the roots blower 4, and the inlet pipe (i.e. inlet silencer) 8 is connected with the inlet coupling three-way bend 9 and the inside of the inlet pipe is communicated with the inlet coupling three-way bend 9; the other side of the Roots blower is connected with the same outlet connecting three-way bent pipe and the main pipeline through an elastic joint for damping. The inlet connecting three-way bent pipe 9 and the outlet connecting three-way bent pipe 10 are respectively connected with the Roots blower 4 through elastic joints 14. The other end of the outlet connecting three-way elbow 10 is provided with a main pipeline 11, and an outlet silencer 12 and a one-way valve 13 are arranged between the outlet connecting three-way elbow 10 and the main pipeline 11. The outlet connecting three-way elbow 10 is provided with an unloading valve 18 and a pressure gauge 19.
The pipe diameter model of the air inlet pipe (namely, an inlet silencer) 8 is one larger than that of the air inlet pipe used by a single Roots blower 4. When the device is used, the caliber of the air inlet pipe (namely, the inlet silencer) 8 in the device is increased by one model according to the caliber of the air inlet pipe of the Roots blower 4 connected in parallel, for example, the caliber of the air inlet pipe adopted by one Roots blower 4 is 300mm, and the air inlet pipe (namely, the inlet silencer) 8 in the device is the air inlet pipe with the caliber of 400 mm.
Before the use, install on complete machine base 1 relatively two roots blower 4 of the same model of fan band pulley 6, motor 3 installs in suitable position, installs V belt 7 and alignment on motor band pulley 5 and the fan band pulley 6 that corresponds and adjusts, fastens two roots blower 4, motor 3 and base 1's connecting bolt. And then an inlet connecting three-way bent pipe 9 is arranged on the Roots blower 4 by using a connecting bolt, an air inlet pipe (namely an inlet silencer) 8 is connected with the inlet connecting three-way bent pipe 9 at one side, and an outlet connecting three-way bent pipe 10 at the other side of the Roots blower 4 is connected with an outlet silencer 12 and a main pipeline 11.
When the fan belt wheel is used, the motor 3 is started, the motor belt wheel 5 is driven to rotate by the rotation of the output shaft of the motor 3, and the fan belt wheel 6 is driven to rotate by the rotation of the motor belt wheel 5 through the V belt 7. The rotation of the blower pulley 6 causes the roots blower 4 to operate. The gas enters from an air inlet pipe (namely an inlet silencer) 8, enters the Roots blower 4 through an inlet connecting three-way bent pipe 9, and then enters a main pipeline 11 through an elastic joint 14 at the side end of the Roots blower 4, an outlet connecting three-way bent pipe 10 and an outlet silencer 12.
Example 2
On the basis of the embodiment 1, as shown in fig. 4-6, a support assembly is arranged between the lower side of the outlet connecting three-way elbow 10 and the mounting surface. The support assembly comprises a connecting ring 15, a support rod 16 and a clamping ring 17, the connecting ring 15 is movably mounted on the outlet connecting three-way bent pipe 10, the rotatable support rod 16 is arranged on one side of the connecting ring 15, the clamping ring 17 with a C-shaped section is arranged in the middle of the connecting ring 15, and the support rod 16 is in clamping fit with the clamping ring 17. The user can install the support assembly to the appropriate position according to the in-use condition. When the supporting component is positioned on the outlet connecting three-way bent pipe 10, the supporting component plays a role in supporting the use of the outlet connecting three-way bent pipe 10, can also reduce the noise generated by the vibration of an outlet pipe caused by the flowing of gas, and can effectively reduce the noise and improve the working environment by matching with the use of the outlet silencer 12.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A Roots blower parallel unit with large air volume comprises a base and a Roots blower, and is characterized in that the base is provided with a rotating part shield, a motor and two Roots blowers which are symmetrically distributed are sequentially arranged on the base, a motor belt wheel is arranged at one end of an output shaft of the motor, a blower belt wheel is arranged at the inner end of the Roots blower, and the motor belt wheel is connected with the blower belt wheel through a corresponding triangular belt;
the upper side of the Roots blower is provided with an air inlet pipe and an inlet connecting three-way bent pipe connected with the Roots blower, and the air inlet pipe is connected with and communicated with the inlet connecting three-way bent pipe; the other side of the Roots blower is connected with the same outlet connecting three-way bent pipe and the main pipeline through an elastic joint for damping.
2. The large-air-volume Roots blower parallel unit as claimed in claim 1, wherein: the other end of the outlet connecting three-way bent pipe is provided with a main pipeline, and an outlet silencer and a one-way valve are arranged between the outlet connecting three-way bent pipe and the main pipeline.
3. The large-air-volume Roots blower parallel unit as claimed in claim 2, wherein: the connecting three-way bent pipe and the Roots blower are connected through elastic joints respectively; the outlet connecting three-way elbow is provided with an unloading valve and a pressure gauge.
4. The large-air-volume Roots blower parallel unit as claimed in claim 3, wherein: the base is of an L-shaped structure, and the installation positions of the motor and the Roots blower are matched with the shape of the base.
5. The large-air-volume Roots blower parallel unit as claimed in claim 4, wherein: the pipe diameter model of the air inlet pipe is one greater than that of the air inlet pipe used by a single Roots blower.
6. The large-air-volume Roots blower parallel unit as claimed in claim 1, wherein: and a support component is arranged between the lower side of the outlet connecting three-way bent pipe and the mounting surface.
7. The large-air-volume Roots blower parallel unit as claimed in claim 6, wherein: the support assembly comprises a connecting ring, a support rod and a clamping ring, the connecting ring is movably mounted on the outlet connecting three-way bent pipe, the rotatable support rod is arranged on one side of the connecting ring, the clamping ring with a C-shaped section is arranged in the middle of the connecting ring, and the support rod is matched with the clamping ring in a clamping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022483371.3U CN213655123U (en) | 2020-10-30 | 2020-10-30 | Roots fan parallel unit with large air volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022483371.3U CN213655123U (en) | 2020-10-30 | 2020-10-30 | Roots fan parallel unit with large air volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213655123U true CN213655123U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022483371.3U Active CN213655123U (en) | 2020-10-30 | 2020-10-30 | Roots fan parallel unit with large air volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213655123U (en) |
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2020
- 2020-10-30 CN CN202022483371.3U patent/CN213655123U/en active Active
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A High Air Flow Roots Fan Parallel Unit Effective date of registration: 20230621 Granted publication date: 20210709 Pledgee: Shizhong Branch of Qilu Bank Co.,Ltd. Pledgor: Shandong Mingfeng Machinery Manufacturing Co.,Ltd. Registration number: Y2023980044978 |