CN211525076U

CN211525076U - Roots blower with noise reduction silencer

Info

Publication number: CN211525076U
Application number: CN201922270954.5U
Authority: CN
Inventors: 张松旺; 任红强; 杜西亮
Original assignee: Zhoukou General Blower Co ltd
Current assignee: Zhoukou General Blower Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-18
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a roots blower with noise reduction muffler, comprising a base plate, the top fixed mounting of bottom plate has the fan body, and the top fixed mounting of bottom plate has the shell, and the top and the bottom of shell are the opening structure, and the fan body is located the shell, and outside the top of fan body extended to the shell, seted up the rectangular hole on one side inner wall of shell, be equipped with two mounting panels in the shell, two mounting panels were located the both sides of fan body respectively. The utility model relates to a rationally, the practicality is good, is convenient for fix the shell installation in the outside of fan body, and the vibrations power that produces when moving fan body carries out effectual buffering, has reduced the noise that fan body produced vibrations and brings, great reduction the muffler of installation on the fan body receive long-term vibrations power and damage, carry out effectual isolation and fall the noise that produces fan body, be convenient for moreover dismantle the shell, the convenience is overhauld and is maintained fan body.

Description

Roots blower with noise reduction silencer

Technical Field

The utility model relates to a fan equipment technical field specifically is a roots blower with muffler of making an uproar falls.

Background

The roots blower is a rotary compressor which compresses and conveys gas by utilizing the relative motion of two blade-shaped rotors in a cylinder, 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, can also be used as a vacuum pump and the like, and mainly comprises a casing, a wall plate, an impeller, an oil tank and a silencer.

However, in the prior art, the roots blower is in the course of working, and the effect of making an uproar is not good to only rely on the noise that the muffler sent the roots blower, and the roots blower can produce vibrations in the course of working, and the production of vibrations power also can make the noise grow to can lead to the peripheral environment to receive noise pollution, and the vibrations power that the roots blower produced moreover causes the muffler to damage because of vibrations for a long time easily, and for this reason, we propose a roots blower with noise reduction muffler and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a roots blower with noise reduction muffler has solved the effect of making an uproar of falling in the roots blower working process not good, and roots blower can produce vibrations in the working process, and the production of shaking force also can make the noise grow, leads to the peripheral environment to receive noise pollution, and the shaking force that roots blower produced moreover causes the problem that the muffler damaged because of vibrations for a long time easily.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the Roots blower with the noise reduction silencer comprises a bottom plate, wherein a blower body is fixedly mounted at the top of the bottom plate, a shell is fixedly mounted at the top of the bottom plate, the top and the bottom of the shell are both of an open structure, the blower body is positioned in the shell, the top of the blower body extends out of the shell, a rectangular hole is formed in the inner wall of one side of the shell, two mounting plates are arranged in the shell and are respectively positioned at two sides of the blower body, a first damping pad is fixedly mounted at one side, close to each other, of the two mounting plates, a plurality of first springs are fixedly mounted at one side, close to each other, of the two first damping pads, two sound-absorbing plates are arranged in the shell and are respectively positioned at two sides of the blower body, the two sound-absorbing plates are respectively contacted with two sides of the blower body, a second damping pad is fixedly mounted at one side, far away from each other, of the first, first screw holes are formed in the inner walls of the two sides of the shell, first lead screws are installed in two first screw holes in an all-threaded mode, the two ends of each first lead screw extend out of the first screw holes, two vertical rods are installed at the top of the shell in a fixed mode, transverse plates are installed at the top ends of the two vertical rods in an all-fixed mode, second screw holes are formed in the tops of the two transverse plates in an all-threaded mode, second lead screws are installed in two second screw holes in an all-threaded mode, the two ends of each second lead screw extend out of the corresponding second screw holes in a all-fixed mode, connecting plates are installed at the bottom ends of the two second lead screws in an all-fixed mode, pressing plates are arranged below the two connecting plates, two second springs are installed at the tops of the two pressing plates in an all-fixed mode, the tops of.

Preferably, the bearing seats are fixedly mounted on the sides, far away from each other, of the two mounting plates, and the ends, close to each other, of the two first screw rods are rotatably mounted on the corresponding bearing seats respectively.

Preferably, two positioning grooves are formed in the top of the bottom plate, two positioning columns are fixedly mounted at the bottom of the shell, and the two positioning columns are slidably mounted in the corresponding positioning grooves respectively.

Preferably, two guide rods are fixedly mounted on one side, away from each other, of each mounting plate, two through holes are formed in the inner walls of the two sides of the shell, the four guide rods penetrate through the corresponding through holes respectively, and a baffle is fixedly mounted at one end, away from the corresponding mounting plate, of each guide rod.

Preferably, the first handles are fixedly mounted on the sides, far away from each other, of the two first screw rods.

Preferably, the top ends of the two second screw rods are fixedly provided with second handles.

(III) advantageous effects

The utility model provides a roots blower with noise reduction muffler. The method has the following beneficial effects:

(1) the Roots blower with the noise reduction silencer is characterized in that two positioning columns at the bottom of a shell are respectively arranged in corresponding positioning grooves, the shell is fixedly arranged at the top of a bottom plate by utilizing a plurality of screws, a blower body is positioned in the shell, then two first handles are sequentially and clockwise rotated, the first handles drive corresponding first screw rods to rotate, so that the first screw rods push corresponding mounting plates to move towards the direction close to the blower body, two sound absorption plates are respectively moved to be contacted with two sides of the blower body, the first handles are stopped rotating, then two second handles are clockwise rotated, the two second handles respectively drive corresponding second screw rods, connecting plates, second springs and pressing plates to rotate and move downwards, when the two pressing plates are both contacted with the top of the blower body, the two second handles are stopped rotating, namely, the mounting and fixing of the shell are completed, the rectangular hole formed in the shell is convenient for the gas pipe to penetrate through the rectangular hole to be fixedly connected with the gas pipe end of the fan body.

(2) The Roots blower with the noise reduction silencer can absorb noise by utilizing the isolation of the shell and the two sound absorption plates, thereby playing a role of noise reduction, transmitting the transverse vibration force generated by the fan body to the two sound-absorbing boards, and utilizing the matching of the plurality of first springs, the first shock-absorbing pads and the second shock-absorbing pads, the transverse vibration force generated by the fan body can be buffered, the vertical vibration force generated by the fan body is transmitted to the two pressure plates, the vertical vibration force generated by the fan body can be buffered by utilizing the four second springs, thereby utilizing the plurality of first springs and the four second springs to buffer the vibration force generated by the fan body, having good shock absorption effect, meanwhile, the noise caused by the vibration of the fan body can be greatly reduced, a certain noise reduction effect is achieved, and the silencer installed on the fan body is greatly reduced to be damaged due to long-term vibration force.

(3) This roots blower with muffler of making an uproar falls through dismantling the gas-supply pipe that runs through on the rectangular hole from the fan body, two first handles of anticlockwise rotation, and in the same way, two first handles drive corresponding first lead screw antiport for two abatvoix remove to the direction of keeping away from the fan body respectively, then dismantle a plurality of screws on the shell down, alright dismantle the shell, thereby the convenience is dismantled the fan body and is overhauld.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 1.

In the figure: 1. a base plate; 2. a fan body; 3. a housing; 4. a rectangular hole; 5. mounting a plate; 6. a first cushion pad; 7. a first spring; 8. a sound-absorbing panel; 9. a second cushion pad; 10. a first threaded hole; 11. a first lead screw; 12. a vertical rod; 13. a transverse plate; 14. a second threaded hole; 15. a second lead screw; 16. a connecting plate; 17. pressing a plate; 18. a second spring; 19. and a bearing seat.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: a Roots blower with a noise reduction silencer comprises a bottom plate 1, a blower body 2 is fixedly mounted at the top of the bottom plate 1, a shell 3 is fixedly mounted at the top of the bottom plate 1, the top and the bottom of the shell 3 are both of an open structure, the blower body 2 is positioned in the shell 3, the top of the blower body 2 extends out of the shell 3, a rectangular hole 4 is formed in the inner wall of one side of the shell 3, two mounting plates 5 are arranged in the shell 3, the two mounting plates 5 are respectively positioned at the two sides of the blower body 2, first damping cushions 6 are fixedly mounted at the mutually close sides of the two mounting plates 5, a plurality of first springs 7 are fixedly mounted at the mutually close sides of the two first damping cushions 6, two sound-absorbing plates 8 are arranged in the shell 3, the two sound-absorbing plates 8 are respectively positioned at the two sides of the blower body 2, the two sound-absorbing plates 8 are respectively contacted with the two sides of the blower body 2, one end of each first spring 7 far away from the corresponding first shock absorption pad 6 is fixedly arranged on the corresponding second shock absorption pad 9, the inner walls of two sides of each shell 3 are respectively provided with a first threaded hole 10, each first threaded hole 10 is internally provided with a first lead screw 11 in a threaded manner, two ends of each first lead screw 11 extend out of the corresponding first threaded hole 10, the top of each shell 3 is fixedly provided with two vertical rods 12, the top ends of the two vertical rods 12 are respectively and fixedly provided with a transverse plate 13, the top parts of the two transverse plates 13 are respectively provided with a second threaded hole 14, each second threaded hole 14 is internally provided with a second lead screw 15 in a threaded manner, two ends of each second lead screw 15 extend out of the corresponding second threaded hole 14, the bottom ends of the two second lead screws 15 are respectively and fixedly provided with a connecting plate 16, pressing plates 17 are respectively arranged below the two connecting plates 16, two second springs 18 are respectively and fixedly arranged at the top parts of the two pressing plates 17, the top ends of the, the bottoms of the two pressure plates 17 are both in contact with the top of the blower body 2.

The equal fixed mounting in one side that two mounting panels 5 kept away from each other has bearing frame 19, the one end that two first lead screws 11 are close to each other rotates respectively and installs on corresponding bearing frame 19, two constant head tanks have been seted up at bottom plate 1's top, the bottom fixed mounting of shell 3 has two reference columns, two reference columns slidable mounting respectively are in corresponding constant head tank, the equal fixed mounting in one side that two mounting panels 5 kept away from each other has two guide bars, two through-holes have all been seted up on the both sides inner wall of shell 3, four guide bars run through corresponding through-hole respectively, the one end fixed mounting that relative mounting panel 5 was kept away from to the guide bar has the baffle, the equal fixed mounting in one side that two first lead screws 11 kept away from each other has first handle, the.

When the fan is used, the shell 3 is made of a sound insulation board material, the shell 3 is fixedly arranged at the top of the bottom plate 1 through a plurality of screws, when the shell 3 is installed, firstly, two positioning columns at the bottom of the shell 3 are respectively installed in corresponding positioning grooves, the initial positioning can be carried out on the installation position of the shell 3 by utilizing the matching of the two positioning columns and the two positioning grooves, then, the shell 3 is installed and fixed at the top of the bottom plate 1 through the plurality of screws, the fan body 2 is positioned in the shell 3, then, the two first handles are sequentially and clockwise rotated, the first handles drive the corresponding first lead screws 11 to rotate, as the two first lead screws 11 are respectively in threaded connection and match with the corresponding first threaded holes 10, under the guide matching of the guide rods, the first lead screws 11 push the corresponding installation plate 5 to move towards the direction close to the fan body 2, and the installation plate 5 drives the corresponding first shock absorption pads, The first springs 7, the second shock absorption pads 9 and the sound absorption plates 8 move towards the direction close to the fan body 2, when the two sound absorption plates 8 are respectively contacted with the two sides of the fan body 2, the first handle stops rotating, then the two second handles rotate clockwise, the two second handles respectively drive the corresponding second screw rods 15, the connecting plates 16, the second springs 18 and the pressing plates 17 to rotate and move downwards, when the two pressing plates 17 are both contacted with the top of the fan body 2, the two second handles stop rotating, the rectangular holes 4 formed in the shell 3 can be used for conveniently enabling the air conveying pipes to penetrate through the rectangular holes 4 to be fixedly connected with the air conveying end of the fan body 2, in the working process of the fan body 2, the fan body 2 can generate vibration and noise, the shell 3 is used for isolating the noise, the two sound absorption plates 8 are used for absorbing the noise, and thus the noise reduction effect is achieved, the transverse vibration force generated by the fan body 2 is transmitted to the two sound-absorbing boards 8, the transverse vibration force generated by the fan body 2 can be buffered by the matching of the plurality of first springs 7, the first shock-absorbing pad 6 and the second shock-absorbing pad 9, the vertical vibration force generated by the fan body 2 is transmitted to the two pressure plates 17, the vertical vibration force generated by the fan body 2 can be buffered by the four second springs 18, so that the vibration force generated by the fan body 2 can be buffered by the plurality of first springs 7 and the four second springs 18, a good shock-absorbing effect is achieved, the noise caused by the vibration generated by the fan body 2 is greatly reduced while shock absorption is achieved, a certain noise-reducing effect is achieved, the damage of a silencer arranged on the fan body 2 due to long-term vibration force is greatly reduced, when the shell 3 needs to be disassembled, firstly, the gas conveying pipe penetrating through the rectangular hole 4 is disassembled from the fan body 2, two first handles of anticlockwise rotation, like this, two first handles drive corresponding first lead screw 11 antiport for two abatvoix 8 respectively move to the direction of keeping away from fan body 2, then dismantle a plurality of screws on the shell 3, alright dismantle shell 3 get off, thereby conveniently dismantle the maintenance to fan body 2, the content that does not make detailed description in this specification all belongs to the prior art that skilled person in the art publicly knows simultaneously.

In conclusion, the roots blower with the noise reduction silencer has the advantages that two positioning columns at the bottom of the shell 3 are respectively arranged in corresponding positioning grooves, the shell 3 is fixedly arranged at the top of the bottom plate 1 through a plurality of screws, the fan body 2 is positioned in the shell 3, then the two first handles are sequentially rotated clockwise, the first handles drive the corresponding first screw rods 11 to rotate, the corresponding mounting plates 5 are pushed by the first screw rods 11 to move towards the direction close to the fan body 2, the two sound absorption plates 8 are respectively moved to be contacted with two sides of the fan body 2, then the first handles are stopped rotating, then the two second handles are rotated clockwise, the two second handles respectively drive the corresponding second screw rods 15, the connecting plates 16, the second springs 18 and the pressure plates 17 to rotate and move downwards, when the two pressure plates 17 are contacted with the top of the fan body 2, two second handles of stall, the installation of having accomplished casing 3 promptly is fixed, utilize to set up some rectangular holes 4 on the casing 3, can be convenient for pass the gas-supply pipe rectangular holes 4 and fan body 2's gas transmission end fixed connection, in the fan body 2 working process, fan body 2 can produce vibrations and noise, utilize the isolation of casing 3 to the noise, utilize two abatvoix 8, can absorb the noise, thereby play the effect of making an uproar of falling, the horizontal vibrations power that fan body 2 produced transmits to two abatvoix 8 on, utilize a plurality of first springs 7, the cooperation of first shock pad 6 and second shock pad 9, can cushion the horizontal vibrations power that fan body 2 produced, the vertical vibrations power that fan body 2 produced transmits to two clamp plates 17, utilize four second springs 18, can cushion the vertical vibrations power that fan body 2 produced, thereby utilize a plurality of first springs 7 and four second springs 18 can advance the vibrations power that fan body 2 produced and advance to the vibrations power that fan body 2 produced and fix The utility model has the advantages of buffering, good damping effect, simultaneously greatly reducing the noise caused by the vibration generated by the fan body 2, having certain noise reduction effect, greatly reducing the damage of the silencer arranged on the fan body 2 due to long-term vibration force, when the shell 3 needs to be disassembled, firstly disassembling the gas pipe penetrating through the rectangular hole 4 from the fan body 2, anticlockwise rotating the two first handles, and in the same way, the two first handles drive the corresponding first lead screws 11 to reversely rotate, so that the two sound-absorbing boards 8 respectively move towards the direction far away from the fan body 2, then disassembling a plurality of screws on the shell 3, and disassembling the shell 3, thereby conveniently disassembling and overhauling the fan body 2, the utility model has reasonable design, good practicability, and is convenient for installing and fixing the shell 3 at the outer side of the fan body 2, the shaking force that produces when moving fan body 2 carries out effectual buffering, has reduced fan body 2 and has produced the noise that vibrations brought, great reduction the muffler of installation on fan body 2 receive long-term shaking force and damage, carry out effectual isolation and fall the noise that fan body 2 produced, be convenient for moreover dismantle shell 3, conveniently overhaul fan body 2 and maintain.

Claims

1. Roots blower with noise reduction muffler, including bottom plate (1), its characterized in that: the fan comprises a base plate (1), a fan body (2) is fixedly mounted at the top of the base plate (1), a shell (3) is fixedly mounted at the top of the base plate (1), the top and the bottom of the shell (3) are both of an open structure, the fan body (2) is positioned in the shell (3), the top of the fan body (2) extends out of the shell (3), a rectangular hole (4) is formed in the inner wall of one side of the shell (3), two mounting plates (5) are arranged in the shell (3), the two mounting plates (5) are respectively positioned at the two sides of the fan body (2), first damping pads (6) are fixedly mounted at the sides of the two mounting plates (5) close to each other, a plurality of first springs (7) are fixedly mounted at the sides of the two first damping pads (6) close to each other, two sound-absorbing plates (8) are arranged in the shell (3), and the two sound, two sound-absorbing boards (8) are respectively contacted with two sides of a fan body (2), one side, far away from each other, of each sound-absorbing board (8) is fixedly provided with a second shock-absorbing pad (9), one end, far away from a corresponding first shock-absorbing pad (6), of a first spring (7) is fixedly arranged on the corresponding second shock-absorbing pad (9), the inner walls of two sides of a shell (3) are respectively provided with a first threaded hole (10), first screw rods (11) are respectively arranged in the two first threaded holes (10) in a threaded manner, two ends of each first screw rod (11) extend out of the corresponding first threaded hole (10), the top of the shell (3) is fixedly provided with two vertical rods (12), the top ends of the two vertical rods (12) are respectively fixedly provided with a transverse plate (13), the top parts of the two transverse plates (13) are respectively provided with a second threaded hole (14), and second screw rods (15) are respectively arranged in, outside the both ends of second lead screw (15) all extended to second screw hole (14), the equal fixed mounting in bottom of two second lead screws (15) had connecting plate (16), the below of two connecting plates (16) all is equipped with clamp plate (17), the equal fixed mounting in top of two clamp plates (17) has two second spring (18), the top of four second spring (18) respectively with the bottom fixed connection of corresponding connecting plate (16), the bottom of two clamp plates (17) all contacts with the top of fan body (2).

2. The roots blower with noise reducing silencer of claim 1, wherein: bearing seats (19) are fixedly mounted on one sides, far away from each other, of the two mounting plates (5), and one ends, close to each other, of the two first screw rods (11) are rotatably mounted on the corresponding bearing seats (19) respectively.

3. The roots blower with noise reducing silencer of claim 1, wherein: two positioning grooves are formed in the top of the bottom plate (1), two positioning columns are fixedly mounted at the bottom of the shell (3), and the two positioning columns are respectively slidably mounted in the corresponding positioning grooves.

4. The roots blower with noise reducing silencer of claim 1, wherein: two guide rods are fixedly mounted on one side, away from each other, of each mounting plate (5), two through holes are formed in the inner walls of the two sides of the shell (3), the four guide rods penetrate through the corresponding through holes respectively, and a baffle is fixedly mounted at one end, away from the corresponding mounting plate (5), of each guide rod.

5. The roots blower with noise reducing silencer of claim 1, wherein: one side that two first lead screws (11) kept away from each other all fixed mounting have first handle.

6. The roots blower with noise reducing silencer of claim 1, wherein: the top ends of the two second screw rods (15) are fixedly provided with second handles.