CN210859224U - Noise reduction device for Roots blower - Google Patents
Noise reduction device for Roots blower Download PDFInfo
- Publication number
- CN210859224U CN210859224U CN201921280719.XU CN201921280719U CN210859224U CN 210859224 U CN210859224 U CN 210859224U CN 201921280719 U CN201921280719 U CN 201921280719U CN 210859224 U CN210859224 U CN 210859224U
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- cavity
- noise reduction
- fixed
- roots blower
- reduction device
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Abstract
The utility model discloses a noise reduction device for roots's fan, the protective housing comprises a protective housing, be equipped with the protection chamber in the protective housing, be equipped with the sound absorbing layer jointly on the a week lateral wall of protection intracavity, the bottom of protection intracavity can be dismantled and be connected with the fixed plate, the upper end of fixed plate is fixed with roots's fan body, install the air-supply line on the roots's fan body, the one end of air-supply line runs through the one end lateral wall in protection chamber and extends to one side of protective housing, the upper end in protection chamber is equipped with first opening, run through and be fixed with the exhaust pipe in the first opening. The utility model discloses the position of fan is removed as required in the convenience, has improved the flexibility, simultaneously, can fully carry out noise reduction to the noise that the fan produced and handle, has improved the noise reduction effect, can be abundant noise reduction to, improved the efficiency of overhauing, reduced the cost of labor, convenient to use, the practicality is strong.
Description
Technical Field
The utility model relates to a high-rise building escape device technical field especially relates to a noise reduction device for roots's fan.
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, and is more suitable for gas conveying and pressurizing systems in low-pressure occasions.
Along with the continuous progress of science and technology level, the application field of roots's fan constantly obtains expanding, the fan is more and more extensive in people's life, roots's fan is when carrying out the operation, because the organism can produce the vibration, in the vibration, can send the noise, in order to reduce roots's fan's noise, noise reduction device can all be used to most, however, because roots's fan's volume is great, current noise reduction device all is fixed at its surface, can not fully fall and make an uproar, noise reduction effect is poor, often inconvenient removal when the fan needs the replacement position, the handling cost has been increased, in addition, when overhauing, need dismantle the noise reduction device in the outside and just can overhaul, the cost of labor is high, inconvenient use, therefore, we provide a noise reduction device for roots's fan and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a noise reduction device for a Roots blower.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a noise reduction device for a Roots blower comprises a protective shell, a protective cavity is arranged in the protective shell, a sound absorbing layer is arranged on the side wall of the circumference in the protection cavity, the bottom in the protection cavity is detachably connected with a fixed plate, a Roots blower body is fixed at the upper end of the fixing plate, an air inlet pipe is arranged on the Roots blower body, one end of the air inlet pipe penetrates through the side wall of one end of the protection cavity and extends to one side of the protection shell, the upper end of the protection cavity is provided with a first opening, an exhaust pipe penetrates through and is fixed in the first opening, an exhaust fan is arranged on the exhaust pipe, a walking mechanism is arranged at the lower end of the protective shell, u-shaped blocks are fixed on both sides of the protective shell, a cavity is arranged in each U-shaped block, an adjusting mechanism is arranged in each cavity, the lower extreme of adjustment mechanism is fixed with the mounting panel, be equipped with two mounting holes on the mounting panel.
Preferably, running gear is including fixing the installed part in protective housing lower extreme four corners, all rotates on four installed parts and is connected with the gyro wheel, and is a set of with two gyro wheels of one side, and impartial interval is equipped with spacing hole more than two on two gyro wheels in same group, runs through jointly in wherein two spacing holes on two gyro wheels of same group and is equipped with the gag lever post.
Preferably, adjustment mechanism is including rotating the screw rod of connection on one end lateral wall in the cavity, the one end of screw rod runs through the lateral wall of cavity and extends to one side of U type piece, the one end of screw rod is fixed with rotates the wheel, the screw thread has cup jointed the movable plate on the screw rod, the movable plate is located the cavity, run through on the movable plate and be equipped with two guide bars, the both ends of two guide bars are fixed respectively on the relative lateral wall in the cavity, the lower extreme both sides of movable plate all are fixed with the push rod, and the one end lateral wall of cavity is all run through to the one end of two push rods, and the one end of two push rods all extends to the one end of U type piece, and the upper end both sides at.
Preferably, four through holes are formed in the fixing plate, four threaded blind holes corresponding to the through holes are formed in the bottom of the protection cavity, screws penetrate through the through holes, and one ends of the screws extend into the threaded blind holes.
Preferably, a second opening is formed in one end side wall of the protective shell, a sealing door is mounted on one end side wall of the second opening through two hinges, and a handle is fixed on one end side wall of the sealing door.
Preferably, the number of the limiting holes is 9-11, and the limiting holes are arranged on the roller in a circular shape.
Compared with the prior art, the beneficial effects of the utility model are that: re-expansion and improvement of writing according to background
1. Under the action of the travelling mechanism, the position of the fan is convenient to move, the flexibility is improved, and the carrying cost is reduced;
2. the purpose of sealing the fan is achieved through the matching among the adjusting mechanism, the protective shell and the sound absorption layer, noise can be fully reduced, and the noise reduction effect is improved;
3. through the matching between the protective shell and the sealing door, the problem that the whole fan needs to be disassembled when being overhauled is solved, the overhauling efficiency is improved, the labor cost is reduced, and the fan is convenient to use;
to sum up, the utility model discloses the convenience removes the position of fan as required, has improved the flexibility, simultaneously, can fully carry out the noise reduction to the noise that the fan produced and handle, has improved the noise reduction effect, can be abundant noise reduction to, improved the efficiency of overhauing, reduced the cost of labor, convenient to use, the practicality is strong.
Drawings
Fig. 1 is a schematic view of an internal structure of a noise reduction device for a roots blower according to the present invention;
fig. 2 is an external structural schematic diagram of a noise reduction device for a roots blower according to the present invention;
fig. 3 is a schematic structural view of a sound absorption layer of a noise reduction device for a roots blower according to the present invention;
FIG. 4 is a schematic view of the internal structure of a U-shaped block of a noise reduction device for a Roots blower according to the present invention;
fig. 5 is an enlarged view of a part a of the noise reduction device for the roots blower according to the present invention;
in the figure: the novel Roots blower comprises a protective shell 1, an exhaust fan 2, an air inlet pipe 3, a mounting part 4, a roller 5, a lifting handle 6, a door 7, a hinge 8, a guide rod 9, an exhaust pipe 10, a sound absorption layer 11, a screw rod 12, a rotating wheel 13, a U-shaped block 14, a push rod 15, a mounting plate 16, a mounting hole 17, a limiting rod 18, a fixing plate 19, a screw 20, a limiting hole 21, a moving plate 22 and a Roots blower body 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments.
Referring to fig. 1-5, a noise reduction device for roots's fan, including protective housing 1, be equipped with the protection chamber in the protective housing 1, conveniently seal protection to roots's fan body 23 through protective housing 1, be equipped with sound absorption layer 11 jointly on a week lateral wall in the protection chamber, conveniently handle the noise that roots's fan body 23 produced through sound absorption layer 11, improved the effect of making an uproar.
In the utility model, the bottom of the protective cavity is detachably connected with a fixed plate 19, which improves the stability of the fixed plate 19, the upper end of the fixed plate 19 is fixed with a Roots blower body 23, an air inlet pipe 3 is arranged on the Roots blower body 23, the generated gas is conveniently conveyed into the Roots blower body 23 through the air inlet pipe 3, one end of the air inlet pipe 3 penetrates through the side wall of one end of the protective cavity and extends to one side of the protective shell 1, the upper end of the protective cavity is provided with a first opening, an exhaust pipe 10 penetrates through and is fixed in the first opening, an exhaust fan 2 is arranged on the exhaust pipe 10, the gas is conveniently discharged through the exhaust pipe 10, the lower end of the protective shell 1 is provided with a traveling mechanism, the position of the fan is conveniently moved under the action of the traveling mechanism, U-shaped blocks 14 are respectively fixed on two sides of the protective shell 1, a cavity is arranged in each U-shaped block 14, be equipped with two mounting holes 17 on the mounting panel 16, conveniently adjust the height of mounting panel 16 through adjustment mechanism, conveniently fix the fan in suitable position.
The utility model discloses in, running gear is including fixing the installed part 4 in 1 lower extreme four corners of protective housing, all rotate on four installed parts 4 and be connected with gyro wheel 5, the removal through gyro wheel 5 conveniently drives 1 shift position of protective housing, the flexibility has been improved, and two gyro wheels 5 with one side are a set of, impartial interval is equipped with spacing hole 21 more than two on two gyro wheels 5 with a set of, it is equipped with gag lever post 18 to run through jointly in wherein two spacing holes 21 on two gyro wheels 5 of same group, the quantity of spacing hole 21 is 9-11, and spacing hole 21 is circular setting on gyro wheel 5, under the effect of gag lever post 18, the convenience is fixed gyro wheel 5, avoid gyro wheel 5 random shift position.
In the utility model, the adjusting mechanism comprises a screw 12 rotatably connected to the side wall of one end in the cavity, one end of the screw 12 penetrates through the side wall of the cavity and extends to one side of a U-shaped block 14, a rotating wheel 13 is fixed at one end of the screw 12, the rotating wheel 13 rotates to drive the screw 12 to rotate, a movable plate 22 is sleeved on the screw 12, the screw 12 rotates to drive the movable plate 22 to rotate, thereby facilitating the movement of the movable plate 22 on the screw 12, the movable plate 22 is located in the cavity, two guide rods 9 are arranged on the movable plate 22 in a penetrating way, under the action of the two guide rods 9, the dislocation when the movable plate 22 is moved is avoided, the two ends of the two guide rods 9 are respectively fixed on the opposite side walls in the cavity, push rods 15 are fixed on both sides of the lower end of the movable plate 22, one end of the two push rods 15 penetrates through the side wall of the cavity, and, the lower ends of the two push rods 15 are respectively fixed on two sides of the upper end of the mounting plate 16, the two push rods 15 are driven to move when the moving plate 22 moves, the mounting plate 16 is conveniently driven to move when the two push rods 15 move, and meanwhile, the two push rods 15 are conveniently fixed at a proper position through bolts.
The utility model discloses in, be equipped with four through-holes on the fixed plate 19, the bottom of protection intracavity is equipped with four screw thread blind holes that correspond with the through-hole, runs through in the through-hole and is equipped with screw 20, and in screw 20's one end extended to the screw thread blind hole, it was fixed to install fixed plate 19 through screw 20 convenience, has improved roots's fan body 23's stability.
The utility model discloses in, be equipped with the second opening on the one end lateral wall of protective housing 1, install sealing door 7 jointly through two hinges 8 on the second open-ended one end lateral wall, be fixed with handle 6 on the one end lateral wall of sealing door 7, conveniently seal protective housing 1 through sealing door 7, simultaneously, conveniently overhaul.
In the utility model, when in use, the handle 6 is held, the sealing door 7 is opened, then the fixing plate 19 is arranged at the bottom in the protection cavity through four screws 20, thereby the Roots blower body 23 is convenient to be installed and fixed, the sealing door 7 is closed, when the position needs to be moved, the protective shell 1 is pushed, thereby the four rollers 5 are convenient to be driven to move, when the proper position is moved, two limiting rods 18 are respectively inserted into corresponding limiting holes 21 on the two groups of rollers 5 for limiting, when the installation and the fixation are needed, the rotating wheel 13 is rotated to drive the screw rod 12 to rotate, the screw rod 12 is rotated to drive the moving plate 22 to move, thereby the two push rods 15 are convenient to be driven to move, then the mounting plate 16 is driven to move, the mounting plate 16 corresponds to the mounting position, and then the installation and the fixation are carried out through the bolts, when the roots blower body 23 carries out the operation, including the sound absorbing layer 11 wraps up roots blower body 23 with protective housing 1, keep apart the noise, avoid passing the noise outside, improved the ability of making an uproar that falls.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a noise reduction device for roots's fan, includes protective housing (1), its characterized in that: the novel air-conditioning fan is characterized in that a protection cavity is arranged in the protection shell (1), a sound absorbing layer (11) is jointly arranged on the side wall of the protection cavity in the periphery, a fixing plate (19) is detachably connected to the bottom in the protection cavity, a Roots blower body (23) is fixed to the upper end of the fixing plate (19), an air inlet pipe (3) is mounted on the Roots blower body (23), one end of the air inlet pipe (3) penetrates through the side wall of the protection cavity and extends to one side of the protection shell (1), a first opening is formed in the upper end of the protection cavity, an exhaust pipe (10) penetrates through and is fixed in the first opening, an exhaust fan (2) is arranged on the exhaust pipe (10), a traveling mechanism is arranged at the lower end of the protection shell (1), U-shaped blocks (14) are fixed to two sides of the protection shell (1), a cavity is arranged in each U-, the lower extreme of adjustment mechanism is fixed with mounting panel (16), be equipped with two mounting holes (17) on mounting panel (16).
2. The noise reduction device for the roots blower as set forth in claim 1, wherein: running gear is including fixing installed part (4) in protective housing (1) lower extreme four corners, all rotates on four installed parts (4) and is connected with gyro wheel (5), and is a set of with two gyro wheels (5) of one side, and impartial interval is equipped with spacing hole (21) more than two on two gyro wheels (5) in the same set of, runs through jointly in wherein two spacing holes (21) on two gyro wheels (5) in the same set of and is equipped with gag lever post (18).
3. The noise reduction device for the roots blower as set forth in claim 1, wherein: the adjusting mechanism comprises a screw rod (12) which is rotatably connected on the side wall of one end in the cavity, one end of the screw rod (12) penetrates through the side wall of the cavity and extends to one side of the U-shaped block (14), a rotating wheel (13) is fixed at one end of the screw rod (12), a moving plate (22) is sleeved on the screw rod (12) in a threaded manner, the movable plate (22) is positioned in the cavity, two guide rods (9) are arranged on the movable plate (22) in a penetrating way, two ends of each guide rod (9) are respectively fixed on opposite side walls in the cavity, push rods (15) are fixed on both sides of the lower end of the moving plate (22), one end of each push rod (15) penetrates through the side wall of one end of the cavity, and one end of each push rod (15) extends to one end of the U-shaped block (14), and the lower ends of the two push rods (15) are respectively fixed on two sides of the upper end of the mounting plate (16).
4. The noise reduction device for the roots blower as set forth in claim 1, wherein: the fixing plate is characterized in that four through holes are formed in the fixing plate (19), four threaded blind holes corresponding to the through holes are formed in the bottom of the protective cavity, screws (20) penetrate through the through holes, and one ends of the screws (20) extend into the threaded blind holes.
5. The noise reduction device for the roots blower as set forth in claim 1, wherein: be equipped with the second opening on the one end lateral wall of protective housing (1), install a door (7) jointly through two hinges (8) on the one end lateral wall of second opening, be fixed with handle (6) on the one end lateral wall of sealing door (7).
6. The noise reduction device for the roots blower as set forth in claim 2, wherein: the number of the limiting holes (21) is 9-11, and the limiting holes (21) are arranged on the roller (5) in a circular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921280719.XU CN210859224U (en) | 2019-08-08 | 2019-08-08 | Noise reduction device for Roots blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921280719.XU CN210859224U (en) | 2019-08-08 | 2019-08-08 | Noise reduction device for Roots blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210859224U true CN210859224U (en) | 2020-06-26 |
Family
ID=71306752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921280719.XU Expired - Fee Related CN210859224U (en) | 2019-08-08 | 2019-08-08 | Noise reduction device for Roots blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210859224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591955A (en) * | 2023-05-05 | 2023-08-15 | 江苏同方机械制造有限公司 | Roots blower with noise reduction function |
-
2019
- 2019-08-08 CN CN201921280719.XU patent/CN210859224U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591955A (en) * | 2023-05-05 | 2023-08-15 | 江苏同方机械制造有限公司 | Roots blower with noise reduction function |
| CN116591955B (en) * | 2023-05-05 | 2024-01-09 | 江苏同方机械制造有限公司 | Roots blower with noise reduction function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 Termination date: 20210808 |