CN216242925U

CN216242925U - Novel nitrogen-making spiral structure silencer

Info

Publication number: CN216242925U
Application number: CN202122773606.7U
Authority: CN
Inventors: 吕正青; 张明; 刘琳
Original assignee: Weifang Yahe Gas Equipment Co ltd
Current assignee: Weifang Yahe Gas Equipment Co ltd
Priority date: 2021-11-13
Filing date: 2021-11-13
Publication date: 2022-04-08
Anticipated expiration: 2031-11-13

Abstract

The utility model discloses a novel nitrogen-making spiral-structure silencer which comprises an outer shell, wherein an air guide column and an air transmission column are fixedly arranged in the outer shell, an air inlet pipe is fixedly arranged on the air guide column through a conical pipe, an exhaust pipe is fixedly arranged on the air transmission column, an air guide cavity is formed in the air guide column, sound-absorbing cotton is filled in the air guide cavity, a plurality of air transmission holes are formed in the air guide column, a spiral pipe is fixedly arranged between each air transmission hole and the air transmission column, a plurality of shock absorption rods are arranged between the air guide column and the outer shell through a plurality of shock absorption mechanisms, a linkage mechanism is arranged in the air transmission column, and a moving mechanism is arranged on the outer shell. Has the advantages that: the utility model adopts the noise reduction mode of mutually matching the modes of flow expansion absorption, flow division noise reduction, flow combination speed reduction and the like, can effectively absorb the noise generated during the circulation of airflow, can avoid the noise generated again during the circulation of the airflow, and has better noise reduction effect.

Description

Novel nitrogen-making spiral structure silencer

Technical Field

The utility model relates to the technical field of nitrogen making machines, in particular to a novel silencer with a nitrogen making spiral structure.

Background

The nitrogen making machine is equipment which takes air as a raw material and a high-quality carbon molecular sieve as an adsorbent and applies a pressure swing adsorption principle to make nitrogen, and a silencer is usually arranged on an air pipeline in the nitrogen making machine so as to reduce noise generated when air in the nitrogen making machine circulates;

the existing silencer is simple in structure, a silencing pipe is usually sleeved on an air pipeline, sound absorbing cotton is arranged in the silencing pipe to absorb noise, the noise reducing effect is poor, the noise reducing degree is low, the required time is long, and certain limitation is achieved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a novel silencer with a nitrogen-making spiral structure.

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

the utility model provides a novel system nitrogen helical structure muffler, includes the shell body, fixed mounting has air guide post, gas transmission post in the shell body, and has the intake pipe through toper pipe fixed mounting on the air guide post, and fixed mounting has the blast pipe on the gas transmission post, air guide chamber has been seted up in the air guide post, and air guide intracavity packing has the sound of inhaling cotton, a plurality of gas transmission holes have been seted up in the air guide post, and equal fixed mounting has the spiral pipe between every gas transmission hole and the gas transmission post, install a plurality of shock attenuation poles through a plurality of damper between air guide post and the shell body, install the link gear in the gas transmission post, moving mechanism is installed to the shell body.

In foretell a novel nitrogen-making helical structure muffler, damper includes the shock attenuation post of fixed mounting in the shell, and shock attenuation pole slidable mounting on the shock attenuation post, and shock attenuation pole fixed mounting on the air guide post, fixed mounting has the lifter plate on the shock attenuation pole, and equal fixed mounting has a plurality of damping spring poles between the upper and lower part of lifter plate and the inner wall of shock attenuation post, install counter-force structure between lifter plate and the shock attenuation post.

In foretell novel nitrogen-making helical structure muffler, reaction structure includes a plurality of shock absorber rubber pads of fixed mounting on the shock attenuation post inner wall, fixed mounting has a plurality of rubber balls with shock absorber rubber pad matched with on the lifter plate.

In foretell novel system nitrogen helical structure muffler, the link gear includes the fixed disk of fixed mounting in the gas transmission post, install the sliding plate through sliding construction in the gas transmission post, fixed mounting has a plurality of conical rods on the sliding plate, a plurality of air guide holes have been seted up in the fixed disk, and equal slidable mounting has a plurality of shielding plates with conical rod matched with on every air guide hole.

In the above-mentioned novel nitrogen production helical structure muffler, sliding structure includes the trapezoidal slider of fixed mounting on the sliding plate, trapezoidal spout has been seted up in the gas transmission post, and trapezoidal slider block installs in trapezoidal spout.

In the above-mentioned novel nitrogen-making helical structure muffler, moving mechanism includes a plurality of memory alloy poles of fixed mounting in the shell, every equal fixed mounting has arc abatvoix, every on the memory alloy pole equal fixed mounting has flexible heat conduction pole between memory alloy pole and the air guide post.

In the above-mentioned novel nitrogen-making spiral structure muffler, a plurality of louvres have been seted up on the shell body, and a plurality of the terminal surface shape of gas transmission hole, a plurality of louvre all sets up to the spiral.

Compared with the prior art, the utility model has the advantages that:

1: through setting up conical duct, air guide post, the air duct connection in the nitrogen making machine is in the intake pipe, and the air that gets into in the intake pipe can increase the circulation scope via the expansion of conical duct to can get into the air guide intracavity, thereby can reduce the circulation speed of air current, with this noise abatement, and the air current that gets into the air guide intracavity can contact with the sound cotton of inhaling in it, inhales the sound cotton this moment and can absorb the noise promptly.

2: through setting up gas transmission hole and spiral pipe, the air current through the air guide cavity can be shunted by a plurality of gas transmission holes promptly to can get into a plurality of spiral pipes, can reduce the gas pressure of single pipeline this moment promptly, thereby prevent to produce gaseous detonation, and the spiral pipe and the gas transmission hole of spiral setting can effectively reduce the velocity of flow of air current, thereby further avoid the production of noise.

3: through setting up damper, damper can carry out effectual offset to the vibrations of air guide post and shell body to can prevent the production of the vibrations noise that brings because the vibrations that the gas impact produced, can further play the purpose of noise reduction amortization.

4: through setting up link gear, the gas behind a plurality of spiral pipes can get into and carry out the confluence in the gas transmission post, and link gear in the gas transmission post can carry out the deceleration once more to the air current this moment to can avoid the air current striking, can further avoid the production of striking noise.

In summary, the present invention employs a noise reduction manner in which the modes of expanding flow absorption, splitting flow noise reduction, converging flow speed reduction, etc. are mutually matched, so that noise generated during airflow circulation can be effectively absorbed, noise can be prevented from being generated again during airflow circulation, and the noise reduction effect is good.

Drawings

Embodiments of the utility model are described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic structural diagram of a novel nitrogen-making spiral muffler according to the present invention;

FIG. 2 is a cross-sectional view of the outer housing of FIG. 1 and its internal structure;

FIG. 3 is a schematic view of the internal structure of the outer housing of FIG. 1;

FIG. 4 is a plan sectional view showing the inner structure of the shock-absorbing post of FIG. 3;

fig. 5 is a sectional view showing the internal structure of the gas delivery column of fig. 3.

In the figure: the air-conditioning system comprises an outer shell 1, an air inlet pipe 2, a conical pipe 3, an exhaust pipe 4, heat dissipation holes 5, an air guide column 6, an air guide cavity 7, a spiral pipe 8, an air transmission column 9, an arc-shaped acoustic panel 10, a shock absorption column 11, a shock absorption rod 12, a memory alloy rod 13, a shock absorption spring rod 14, a shock absorption rubber pad 15, a rubber ball 16, a sliding plate 17, a conical rod 18, a fixed disc 19, an air guide hole 20 and a shielding plate 21.

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.

Referring to fig. 1-3, a novel silencer with a nitrogen-making spiral structure comprises an outer shell 1, wherein an air guide column 6 and an air transmission column 9 are fixedly arranged in the outer shell 1, an air inlet pipe 2 is fixedly arranged on the air guide column 6 through a conical pipe 3, an air outlet pipe 4 is fixedly arranged on the air transmission column 9, an air guide cavity 7 is formed in the air guide column 6, and sound-absorbing cotton is filled in the air guide cavity 7;

the above is noteworthy for the following two points:

1. an air pipeline in the nitrogen making machine is connected to the air inlet pipe 2, air entering the air inlet pipe 2 can enlarge the circulation range through the expansion of the conical pipe 3 and can enter the air guide cavity 7 in the air guide column 6, so that the circulation speed of air flow can be reduced, and the generation of noise is reduced.

2. The air current that gets into air guide cavity 7 can contact with the sound cotton of inhaling in it, inhales the sound cotton this moment and not only can block the air current to reduce the air current velocity of flow, can absorb the noise that the air current carried again.

Referring to fig. 2-5, a plurality of air transmission holes are formed in the air guide column 6, a spiral tube 8 is fixedly installed between each air transmission hole and the air transmission column 9, a plurality of damping rods 12 are installed between the air guide column 6 and the outer shell 1 through a plurality of damping mechanisms, a linkage mechanism is installed in the air transmission column 9, and a moving mechanism is installed on the outer shell 1;

the following points are notable:

1. the air flow passing through the air guide chamber 7 is divided by the plurality of air delivery holes and enters the plurality of spiral pipes 8, and the air pressure of a single pipeline is reduced, so that the generation of noise caused by the explosion of air is prevented.

2. The end face shapes of the air delivery holes are all set to be spiral shapes, and the spiral pipe 8 and the air delivery holes which are arranged in the spiral shape can effectively reduce the flow velocity of air flow, so that the noise is further avoided.

3. Damper includes the shock attenuation post 11 of fixed mounting in shell body 1, and shock attenuation pole 12 slidable mounting is on shock attenuation post 11, and shock attenuation pole 12 fixed mounting is on air guide post 6, fixed mounting has the lifter plate on the bumper bar 12, and equal fixed mounting has a plurality of damping spring poles 14 between the upper and lower part of lifter plate and the inner wall of shock attenuation post 11, damper can carry out effectual offset to the vibrations of air guide post 6 and shell body 1, thereby can prevent the production of the vibration noise that brings because the vibrations that the gas impact produced, can further play the mesh of noise reduction amortization.

4. Install the counter-force structure between lifter plate and shock absorber post 11, the counter-force structure includes a plurality of shock absorber rubber pads 15 of fixed mounting on the 11 inner walls of shock absorber post, fixed mounting has a plurality of and shock absorber rubber pads 15 matched with rubber ball 16 on the lifter plate, can drive the lifter plate and remove in shock absorber post 11 when producing vibrations, can drive rubber ball 16 above that when the lifter plate removes and rub repeatedly on shock absorber rubber pads 15, thereby can produce the friction counter-force, can offset the elasticity counter-force that produces when 14 compression of damping spring poles or tensile.

5. The link gear includes fixed disk 19 of fixed mounting in gas transmission post 9, install sliding plate 17 through sliding construction in the gas transmission post 9, fixed mounting has a plurality of toper poles 18 on the sliding plate 17, a plurality of air guide holes 20 have been seted up in the fixed disk 19, and equal slidable mounting has a plurality of shielding plates 21 with toper pole 18 matched with on every air guide hole 20, gas behind a plurality of spiral pipes 8 can get into and carry out the confluence in the gas transmission post 9, the link gear in the gas transmission post 9 can carry out the deceleration once more to the air current this moment, thereby can avoid the air current striking, can further avoid the production of striking noise.

6. The sliding structure comprises a trapezoidal sliding block fixedly mounted on the sliding plate 17, a trapezoidal sliding groove is formed in the gas transmission column 9, the trapezoidal sliding block is clamped and mounted in the trapezoidal sliding groove, and the sliding structure is used for enabling the sliding plate 17 to slide up and down only in the gas transmission column 9 and cannot deviate and separate from the gas transmission column 9.

7. Moving mechanism includes a plurality of memory alloy poles 13 of fixed mounting in shell body 1, equal fixed mounting has arc abatvoix 10 on every memory alloy pole 13, equal fixed mounting has flexible heat conduction pole between every memory alloy pole 13 and the air guide post 6, can produce certain heat when air current itself and air current circulate, the heat can be via the air guide post 6, flexible heat conduction pole conduction to memory alloy pole 13 department, thereby memory alloy pole 13 can extend when being heated can promote arc abatvoix 10 on it and remove and be close to a plurality of spiral pipes 8, thereby can adjust the position of arc abatvoix 10 according to the size of the air current velocity of flow, so that better the absorption of carrying out the noise.

8. A plurality of heat dissipation holes 5 are formed in the outer shell 1, the end faces of the heat dissipation holes 5 are all arranged to be spiral, the heat dissipation holes 5 are used for normally dissipating heat inside the outer shell 1, and noise can be prevented from being generated when the spiral is arranged.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A novel silencer with a nitrogen-making spiral structure comprises an outer shell (1) and is characterized in that, an air guide column (6) and an air transmission column (9) are fixedly arranged in the outer shell (1), and the air inlet pipe (2) is fixedly arranged on the air guide column (6) through the conical pipe (3), an exhaust pipe (4) is fixedly arranged on the gas transmission column (9), a gas guide cavity (7) is arranged in the gas guide column (6), sound-absorbing cotton is filled in the air-conducting cavity (7), a plurality of air transmission holes are arranged in the air-conducting column (6), a spiral pipe (8) is fixedly arranged between each air transmission hole and the air transmission column (9), a plurality of shock absorption rods (12) are arranged between the air guide column (6) and the outer shell (1) through a plurality of shock absorption mechanisms, a linkage mechanism is installed in the gas transmission column (9), and a moving mechanism is installed on the outer shell (1).

2. The novel nitrogen-making spiral structure silencer according to claim 1, wherein the damping mechanism comprises a damping column (11) fixedly installed in the outer shell (1), a damping rod (12) is slidably installed on the damping column (11), the damping rod (12) is fixedly installed on the air guide column (6), a lifting plate is fixedly installed on the damping rod (12), a plurality of damping spring rods (14) are fixedly installed between the upper portion and the lower portion of the lifting plate and the inner wall of the damping column (11), and a counter-force structure is installed between the lifting plate and the damping column (11).

3. The novel nitrogen-making spiral structure silencer according to claim 2, wherein the counterforce structure comprises a plurality of shock-absorbing rubber pads (15) fixedly installed on the inner wall of the shock-absorbing column (11), and a plurality of rubber balls (16) matched with the shock-absorbing rubber pads (15) are fixedly installed on the lifting plate.

4. The novel nitrogen-making spiral structure silencer according to claim 1, wherein the linkage mechanism comprises a fixed disk (19) fixedly installed in the gas transmission column (9), a sliding plate (17) is installed in the gas transmission column (9) through a sliding structure, a plurality of conical rods (18) are fixedly installed on the sliding plate (17), a plurality of gas guide holes (20) are formed in the fixed disk (19), and a plurality of shielding plates (21) matched with the conical rods (18) are slidably installed on each gas guide hole (20).

5. The novel nitrogen-making spiral structure silencer according to claim 4, wherein the sliding structure comprises a trapezoidal sliding block fixedly mounted on a sliding plate (17), a trapezoidal sliding groove is formed in the gas transmission column (9), and the trapezoidal sliding block is mounted in the trapezoidal sliding groove in a clamping manner.

6. The novel nitrogen-making spiral structure silencer according to claim 1 is characterized in that the moving mechanism comprises a plurality of memory alloy rods (13) fixedly mounted in the outer shell (1), an arc-shaped sound-absorbing plate (10) is fixedly mounted on each memory alloy rod (13), and a telescopic heat-conducting rod is fixedly mounted between each memory alloy rod (13) and the air guide column (6).

7. The muffler with spiral structure for producing nitrogen according to claim 1, wherein the outer shell (1) is formed with a plurality of heat dissipating holes (5), and the end faces of the plurality of air delivery holes and the plurality of heat dissipating holes (5) are spiral.