CN211950792U - Air inlet noise reduction structure for oil-free tank car air compressor - Google Patents
Air inlet noise reduction structure for oil-free tank car air compressor Download PDFInfo
- Publication number
- CN211950792U CN211950792U CN202020462792.5U CN202020462792U CN211950792U CN 211950792 U CN211950792 U CN 211950792U CN 202020462792 U CN202020462792 U CN 202020462792U CN 211950792 U CN211950792 U CN 211950792U
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- Prior art keywords
- pipe
- air inlet
- intake pipe
- ring
- tank car
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- 238000007789 sealing Methods 0.000 claims description 14
- 229920000742 Cotton Polymers 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 239000012141 concentrate Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a structure of making an uproar falls in admitting air for no oil type tank car air compressor machine, including intake pipe and shell, the intake pipe outside is extended the end screw thread and is closed and be connected with the retainer plate soon, the retainer plate is close to the sound absorption pipe that the circumference array had a plurality of vertical axial lead of intake pipe on the transversal terminal surface of intake pipe, the inboard of intake pipe closes soon and is connected with centralized pipe. The utility model discloses in, the filtration of making an uproar falls through the intake pipe has: close the retainer plate and the central tube of being connected soon with the intake pipe inner wall, close a plurality of sound absorbing pipes of being connected soon with the retainer plate and the central tube, concentrate the pipe and close the second filter screen on the tail pipe of connecting soon to and the inboard first filter screen of closing the connection soon of retainer plate, the setting of first filter screen and second filter screen filters the air, and the sound absorbing pipe sets up, carries out the noise absorption to the air current of intake pipe, has realized a modular filtration structure of making an uproar that falls.
Description
Technical Field
The utility model relates to an air compressor machine technical field especially relates to a structure of making an uproar falls in admitting air for oil-free type tank car air compressor machine.
Background
The oil-free air compressor is a main body in an air source device, is a device for converting mechanical energy of a prime motor into gas pressure energy, is an air pressure generating device for compressing air, and belongs to a micro reciprocating piston compressor.
When the existing oilless air compressor is used for air intake, the noise of an air inlet is high, certain influence is caused on the working environment, a filter element of the oilless air compressor is installed in the air inlet pipe, the filter element is inconvenient to replace, and the noise of the air inlet is increased without replacing a filter screen for a long time;
the prior publication numbers are: in CN209025814U (an oil-free air compressor with noise reduction), the dust cover is arranged on the left side of the air inlet pipe, so that the speed of air entering the air cylinder is slowed down, the noise of the air at the air inlet is reduced, the buckle is pulled out from the inside of the fixed block by pulling the filter screen, the dust cover is convenient to remove, the filter element is more convenient to replace, the dust entering the air cylinder is reduced to a certain extent, and the noise generated when the dust rubs with the piston in the air cylinder is avoided; however, the filter element is an integrated structure in the contrast patent, the replacement frequency of the filter element of the air compressor is high, the replacement and maintenance cost of the filter element is high due to the integrated structure, and the noise reduction effect of the air inlet pipe of the air compressor is general.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the air inlet noise reduction structure for the oil-free type tank car air compressor is provided for solving the problem that the noise of an air inlet pipe of the oil-free type tank car air compressor is large.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a structure of making an uproar falls in admitting air for no oil type tank car air compressor machine, including intake pipe and shell, the intake pipe outside is extended the end screw thread and is closed and be connected with the retainer plate soon, the retainer plate is close to circumference array on the transversal terminal surface of intake pipe and has a plurality of sound absorption pipes that are on a parallel with the vertical axial lead of intake pipe, the inboard of intake pipe closes soon and is connected with centralized pipe, and is a plurality of sound absorption pipe all with centralized pipe intercommunication, the bottom of centralized pipe closes soon and is connected with the tail pipe, the tail end fixedly connected with second filter screen of tail pipe, the inboard of retainer plate closes soon and is connected with first filter screen.
As a further description of the above technical solution:
the air inlet pipe is sleeved with a ring sleeve, the outer wall of the ring sleeve is connected with the shell in a screwing mode through threads, the outer wall of the air inlet pipe is connected with a supporting plate in a hard mode, and the supporting plate is located on the inner side of the shell.
As a further description of the above technical solution:
the outer wall of the ring sleeve is connected with a sealing ring in a hard mode, the vertical structure of the sealing ring is of a T-shaped structure, and the vertical end of the sealing ring is embedded between the shell and the outer wall of the ring sleeve.
As a further description of the above technical solution:
the ring sleeve is of a hollow ring structure, the upper end face of the hollow ring is open, and sound insulation cotton is filled in the hollow cavity of the ring sleeve.
As a further description of the above technical solution:
a clamping groove is formed in the upper end face of the inner surface wall of the ring sleeve, and a rubber ring is inserted into the clamping groove.
As a further description of the above technical solution:
the ring sleeve is vertically connected with the air inlet pipe in a sliding manner.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, the filtration of making an uproar falls through the intake pipe has: close the retainer plate and the central tube of being connected soon with the intake pipe inner wall, close a plurality of sound absorbing pipes of being connected soon with the retainer plate and the central tube, concentrate the pipe and close the second filter screen on the tail pipe of connecting soon to and the inboard first filter screen of closing the connection soon of retainer plate, the setting of first filter screen and second filter screen filters the air, and the sound absorbing pipe sets up, carries out the noise absorption to the air current of intake pipe, has realized a modular filtration structure of making an uproar that falls.
2. The utility model discloses in, through the setting of ring cover, the soundproof cotton in the cavity of ring cover can be changed, has played syllable-dividing effect to realized the sealed of intake pipe and shell junction, and fallen making an uproar of junction.
Drawings
FIG. 1 is a vertical sectional view of the air inlet pipe of the air inlet noise reduction structure for the oil-free tank car air compressor of the present invention;
fig. 2 is a schematic view of an air inlet pipe mounting structure of an air inlet noise reduction structure for an oil-free tank car air compressor according to the present invention;
fig. 3 is an air inlet pipe installation front view of the air inlet noise reduction structure for the oil-free tank car air compressor.
Illustration of the drawings:
1. an air inlet pipe; 2. a housing; 3. sleeving a ring; 4. a resisting plate; 5. sound insulation cotton; 6. a seal ring; 7. a card slot; 8. a rubber ring; 9. a stationary ring; 10. a first filter screen; 11. a sound absorbing pipe; 12. a concentration pipe; 13. a tail pipe; 14. and a second filter screen.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the air inlet noise reduction structure for the oil-free tank car air compressor comprises an air inlet pipe 1 and a shell 2, wherein a fixing ring 9 is screwed and connected to the extending end of the outer side of the air inlet pipe 1, the vertical section of the fixing ring 9 is optimized to be of a T-shaped structure, the extending end face of the outer side of the fixing ring 9 is opened, and the end face of the inner side of the fixing ring is sealed; a plurality of sound absorbing pipes 11 parallel to the vertical axial lead of the air inlet pipe 1 are arrayed on the periphery of the transverse end face of the fixed ring 9 close to the air inlet pipe 1, the sound absorbing pipes 11 are made of sound absorbing materials, and the arrangement of the sound absorbing pipes 11 increases the resistance of air flow entering from the fixed ring 9, so that the consumption of noise in the air flow is increased, the inner side of the air inlet pipe 1 is screwed and connected with a centralized pipe 12, the sound absorbing pipes 11 are all communicated with the centralized pipe 12, optimally, the two ends of the sound absorbing pipes 11 are respectively screwed and connected with the fixed ring 9 and the centralized pipe 12 through threads, the inner side of the centralized pipe 12 is of a funnel-shaped structure, and the outer side wall of the centralized pipe 12 is screwed and connected with the inner side of the air inlet pipe; the bottom of concentrating pipe 12 closes soon and is connected with tail pipe 13, and tail end bolt fixedly connected with second filter screen 14 of tail pipe 13, and the inboard of retainer plate 9 closes soon and is connected with first filter screen 10, and first filter screen 10 filters the dust in the air, and sets up at the head end of intake pipe 1, and convenient to detach changes, has realized the filtration of making an uproar that falls of a modular intake pipe 1.
Specifically, as shown in fig. 1-3, the air inlet pipe 1 is sleeved with the ring sleeve 3, the outer wall of the ring sleeve 3 is screwed with the shell 2 through threads, the ring sleeve 3 is vertically and slidably connected with the air inlet pipe 1, the ring sleeve 3 is in clearance fit with the air inlet pipe 1, the outer wall of the air inlet pipe 1 is fixedly connected with the abutting plate 4 through bolts, the abutting plate 4 is located on the inner side of the shell 2, the outer wall of the ring sleeve 3 is fixedly connected with the sealing ring 6 through bolts, the sealing ring 6 is optimized, the vertical structure of the sealing ring 6 is in a T-shaped structure, and the vertical end of the sealing ring 6 is embedded between the shell 2 and the outer wall of the ring sleeve 3, so that the sealing ring 6 seals a gap formed by screwing the ring sleeve; ring cover 3 is hollow ring structure, and the up end opening of hollow ring, the hollow intracavity of ring cover 3 is filled with soundproof cotton 5, soundproof cotton 5 plays syllable-dividing effect, draw-in groove 7 has been seted up to table wall up end in ring cover 3, draw-in groove 7 interpolation has rubber circle 8, it is optimized, the side end face of rubber circle 8 is laminated in 1 outer wall of intake pipe and 5 inboards of soundproof cotton respectively, the fast-assembling between intake pipe 1 and shell 2 has been realized, and the sound insulation between intake pipe 1 and the shell 2 is sealed.
The working principle is as follows: during the use, the filtering structure of making an uproar falls of intake pipe 1 has: the air filter comprises a fixing ring 9 and a central tube 12 which are connected with the inner wall of an air inlet tube 1 in a screwing mode, a plurality of sound absorbing tubes 11 which are connected with the fixing ring 9 and the central tube 12 in a screwing mode, a second filter screen 14 on a tail tube 13 connected with the central tube 12 in a screwing mode, a first filter screen 10 connected with the inner side of the fixing ring 9 in a screwing mode, a first filter screen 10 and a second filter screen 14, wherein the first filter screen 10 and the second filter screen 14 are arranged to filter air, the sound absorbing tubes 11 are arranged to absorb noise of air flow of the air inlet tube 1, and a combined noise reduction filtering structure is achieved; the sleeve 3 is sleeved at the tail end of the air inlet pipe 1, the sleeve 3 is connected with the shell 2 in a threaded screwing mode, the rubber ring 8 is clamped in the clamping groove 7, the sealing of the joint is guaranteed by the rubber ring 8 and the sealing ring 6, the soundproof cotton 5 in the cavity of the sleeve 3 can be replaced, the soundproof effect is achieved, the sealing of the joint of the air inlet pipe 1 and the shell 2 is achieved, and the noise of the joint is reduced.
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. A structure of making an uproar falls in admitting air for no oil type tank car air compressor machine, including intake pipe (1) and shell (2), its characterized in that, intake pipe (1) outside extension end screw thread closes soon and is connected with retainer plate (9), on retainer plate (9) be close to the transversal terminal surface of intake pipe (1) circumference array have a plurality of be on a parallel with intake pipe (1) vertical axial lead inhale sound pipe (11), the inboard of intake pipe (1) closes soon and is connected with concentrated pipe (12), and is a plurality of inhale sound pipe (11) all with concentrated pipe (12) intercommunication, the bottom of concentrated pipe (12) closes soon and is connected with tail pipe (13), the tail end fixedly connected with second filter screen (14) of tail pipe (13), the inboard of retainer plate (9) closes soon and is connected with first filter screen (10).
2. The air inlet noise reduction structure for the oil-free tank car air compressor as claimed in claim 1, wherein the air inlet pipe (1) is sleeved with a ring sleeve (3), the outer wall of the ring sleeve (3) is screwed with the outer shell (2) through threads, the outer wall of the air inlet pipe (1) is connected with a resisting plate (4) in a hard mode, and the resisting plate (4) is located on the inner side of the outer shell (2).
3. The air inlet noise reduction structure for the oil-free tank car air compressor as claimed in claim 2, wherein the outer wall of the ring sleeve (3) is connected with the sealing ring (6) in a hard mode, the vertical structure of the sealing ring (6) is in a T-shaped structure, and the vertical end of the sealing ring (6) is embedded between the outer shell (2) and the outer wall of the ring sleeve (3).
4. The air inlet noise reduction structure for the oil-free tank car air compressor as claimed in claim 2, wherein the ring sleeve (3) is of a hollow ring structure, the upper end face of the hollow ring is open, and sound insulation cotton (5) is filled in the hollow cavity of the ring sleeve (3).
5. The air inlet noise reduction structure for the oil-free tank car air compressor as claimed in claim 2, wherein a clamping groove (7) is formed in the upper end face of the inner surface wall of the ring sleeve (3), and a rubber ring (8) is inserted into the clamping groove (7).
6. The air inlet noise reduction structure for the oil-free tank car air compressor as claimed in claim 2, wherein the ring sleeve (3) is vertically connected with the air inlet pipe (1) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020462792.5U CN211950792U (en) | 2020-04-01 | 2020-04-01 | Air inlet noise reduction structure for oil-free tank car air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020462792.5U CN211950792U (en) | 2020-04-01 | 2020-04-01 | Air inlet noise reduction structure for oil-free tank car air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211950792U true CN211950792U (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020462792.5U Expired - Fee Related CN211950792U (en) | 2020-04-01 | 2020-04-01 | Air inlet noise reduction structure for oil-free tank car air compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN211950792U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007066A (en) * | 2021-03-26 | 2021-06-22 | 江苏气老板节能技术有限公司 | Low noise formula air compressor machine with reactive compensation |
-
2020
- 2020-04-01 CN CN202020462792.5U patent/CN211950792U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113007066A (en) * | 2021-03-26 | 2021-06-22 | 江苏气老板节能技术有限公司 | Low noise formula air compressor machine with reactive compensation |
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| 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: 20201117 |