CN211144741U - Noise reduction structure of air compressor - Google Patents
Noise reduction structure of air compressor Download PDFInfo
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- CN211144741U CN211144741U CN201921129858.2U CN201921129858U CN211144741U CN 211144741 U CN211144741 U CN 211144741U CN 201921129858 U CN201921129858 U CN 201921129858U CN 211144741 U CN211144741 U CN 211144741U
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- reduction box
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Abstract
A noise reduction structure of an air compressor comprises a cuboid noise reduction box, wherein the noise reduction box comprises an inner shell and an outer shell, the inner shell is connected with the outer shell through a stand column, the stand column is connected to the bottom layers of the inner shell and the outer shell, one end of the stand column is installed on the outer low surface of the inner shell, and the other end of the stand column is installed on the inner low surface of the outer shell; the inner layer of the inner shell of the noise reduction box is wrapped with a layer of sound absorption cotton; a buffer pad is arranged on the inner bottom surface of the inner shell of the noise reduction box, and an air compressor installation plate is arranged on the buffer pad; the left side and the right side of the noise reduction box are respectively provided with a through hole, and the through holes penetrate through the inner shell and the outer shell of the noise reduction box; a circle of buffer ring is sleeved in the through hole on one side, an air outlet pipe is sleeved in the buffer ring, the air outlet pipe penetrates through the inner shell and the outer shell of the noise reduction box, and a silencer is installed at one end, entering the inner shell, of the air outlet pipe; an air inlet pipe is fixed in the through hole at the other side, and filter cotton is arranged in the air inlet pipe; the intake pipe passes the inner shell and the shell of making an uproar case of falling to be equipped with the baffle in the one end of passing the inner shell, the parcel has the sound of inhaling cotton on the baffle.
Description
Technical Field
The utility model belongs to the technical field of the noise structure of making an uproar falls and specifically relates to a noise structure of making an uproar falls in air compressor machine is related to.
Background
At present, an air compressor plays an important role in the automation industry, but when the air compressor runs, parts such as a reciprocating piston, a rotating blade, a rotating screw rod and the like in the air compressor can generate strong noise, and compressed air of the air compressor is discharged from an air outlet to generate huge noise; the noise can cause bad symptoms such as dizziness, nausea, accelerated heartbeat and the like to the staff during work, and the work efficiency of the staff is greatly influenced.
In the prior art, the noise reduction box structure is mostly adopted as the publication No. CN207847891U, the noise reduction box is wrapped by soundproof cotton, the air compressor is supported by a plurality of buffers to achieve the effect of preventing vibration, but the buffers are high in cost, the installation structure is complex, and the noise generated when compressed air is discharged from the air outlet cannot be effectively solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
A noise reduction structure of an air compressor comprises a cuboid noise reduction box, wherein the noise reduction box comprises an inner shell and an outer shell, the inner shell is connected with the outer shell through a stand column, the stand column is connected to the bottom layers of the inner shell and the outer shell, one end of the stand column is installed on the outer low surface of the inner shell, and the other end of the stand column is installed on the inner low surface of the outer shell; the inner layer of the inner shell of the noise reduction box is wrapped with a layer of sound absorption cotton; a buffer pad is arranged on the inner bottom surface of the inner shell of the noise reduction box, and an air compressor installation plate is arranged on the buffer pad; the left side and the right side of the noise reduction box are respectively provided with a through hole, and the through holes penetrate through the inner shell and the outer shell of the noise reduction box; a circle of buffer ring is sleeved in the through hole on one side, an air outlet pipe is sleeved in the buffer ring, the air outlet pipe penetrates through the inner shell and the outer shell of the noise reduction box, and a silencer is installed at one end, entering the inner shell, of the air outlet pipe; an air inlet pipe is fixed in the through hole at the other side, and filter cotton is arranged in the air inlet pipe; the air inlet pipe penetrates through an inner shell and an outer shell of the noise reduction box, a partition plate is arranged at one end penetrating through the inner shell, and sound absorption cotton is wrapped on the partition plate; an opening is formed in one side of the noise reduction box, and the opening and the through hole are not located on the same side; a sealing door is arranged on one side of the opening of the noise reduction box, and a hinge is arranged between the sealing door and the noise reduction box; the sealing door is provided with a pressure lock; a layer of rubber ring is arranged between the sealing door and the noise reduction box, and the rubber ring surrounds the opening of the noise reduction box. The outer ground of the noise reduction box shell is provided with a foot cup, and the bottom of the foot cup is covered with a layer of buffer glue.
Furthermore, the outer ring of the air outlet pipe is attached to the inner ring of the buffer ring, the outer ring of the buffer ring is attached to the inner wall of the through hole, and the part, located between the inner shell and the outer shell of the noise reduction box, of the buffer ring is expanded.
Furthermore, two pressure locks are respectively arranged on one side of the sealing door, which is far away from the hinge, and each pressure lock comprises a concave lock block, a pressure lock fixing block and a connecting shaft; one end of the concave locking block is provided with a through hole, a connecting shaft is sleeved in the through hole, two ends of the connecting shaft are fixed on the pressure lock fixing block, and the pressure lock fixing block is fixed on the sealing door.
Furthermore, the opening side of the noise reduction box and the edge close to the pressure lock are provided with convex strips, and the convex strips extend outwards towards the noise reduction box along the vertical direction of the opening side.
Furthermore, the filter cotton is attached to the inner wall of the air inlet pipe and wraps the whole inner space of the air inlet pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the sound-absorbing cotton can weaken the sound emitted by the air compressor, and the inner shell and the outer shell of the sound-insulating box and the closed space formed by the inner part of the sealing door, so that the sound-insulating effect is further improved; at the air compressor machine during operation, blotter and buffer ring can effectively prevent the noise that the air compressor machine vibrations sent to establish the muffler on the outlet duct, reduced the sound of gas outgoing air duct, set up the baffle with the air inlet again, make the propagation that sound can not, thereby further kept apart the noise that the noise reduction box sent.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a side sectional view of the present invention.
Fig. 3 is a partial enlarged view of the middle hinge of the present invention.
Fig. 4 is a partial enlarged view of the middle pressure lock of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood 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 work belong to the protection scope of the present invention.
As shown in fig. 1, the noise reduction structure of the air compressor comprises a rectangular noise reduction box 10, wherein the noise reduction box 10 comprises an inner shell 12 and an outer shell 11, the inner shell 12 is connected with the outer shell 11 through a column 15, the column 15 is connected to the bottom layers of the inner shell 12 and the outer shell 11, one end of the column 15 is installed on the outer low surface of the inner shell 12, the other end of the column 15 is installed on the inner low surface of the outer shell 11, and the column 15 is used for fixing the position of the inner shell 12; the inner layer of the inner shell 12 of the noise reduction box 10 is wrapped with a layer of sound absorption cotton 13, and the sound absorption cotton 13 is used for weakening noise emitted by an air compressor.
Further as shown in fig. 1, a cushion pad 18 is installed on the inner bottom surface of the inner shell 12 of the noise reduction box 10, an air compressor installation plate 19 is installed on the cushion pad 18, the air compressor installation plate 19 is used for installing an air compressor, and noise generated by vibration during the operation of the air compressor can be prevented through the cushion pad 18.
As further shown in fig. 1, the left and right sides of the noise reduction box 10 are respectively provided with through holes, and the through holes penetrate through the inner shell 12 and the outer shell 11 of the noise reduction box 10; a circle of buffer ring 21 is sleeved in the through hole on one side, an air outlet pipe 22 is sleeved in the buffer ring 21, the outer ring of the air outlet pipe 22 is attached to the inner ring of the buffer ring 21, the outer ring of the buffer ring 21 is attached to the inner wall of the through hole, the part, located between the inner shell 12 and the outer shell 11, of the noise reduction box 10, of the buffer ring 21 is expanded, the air outlet pipe 22 is connected with an air outlet of an air compressor, and the buffer ring 21 can prevent vibration noise generated by compressed air discharged by the air compressor; the air outlet pipe 22 penetrates through the inner shell 12 and the outer shell 11 of the noise reduction box 10, a silencer 23 is arranged at one end, entering the inner shell 12, of the air outlet pipe 22, and the sound of the compressed air exhausted out of the air outlet pipe 22 can be weakened through the silencer 23; an air inlet pipe 24 is fixed in the through hole at the other side, filter cotton is arranged in the air inlet pipe 24, the filter cotton is tightly attached to the inner wall of the air inlet pipe 24 and wraps the whole pipe inner space of the air inlet pipe 24, and impurities in the air can be filtered through the filter cotton; the air inlet pipe 24 penetrates through the inner shell 12 and the outer shell 11 of the noise reduction box 10, a partition plate 26 is arranged at one end penetrating through the inner shell 12, and the sound absorption cotton 13 is wrapped on the partition plate 26; the partition plate 26 can block noise emitted from the air compressor, so that the noise emitted from the air compressor cannot be propagated straight.
As further shown in fig. 2 and 3, one side of the noise reduction box 10 is provided with an opening, and the opening and the through hole are not on the same side; a sealing door 30 is arranged on one side of the opening of the noise reduction box 10, and a hinge 32 is arranged between the sealing door 30 and the noise reduction box 10; the sealing door 30 is provided with a pressure lock 40; the sealing door 30 and the noise reduction box 10 are separated by a layer of rubber ring, the rubber ring surrounds the opening of the noise reduction box 10, and the sealing degree between the sealing door 30 and the noise reduction box 10 can be improved through the rubber ring.
As further shown in fig. 1, a foot cup 17 is installed on the outer ground of the casing 11 of the noise reduction box 10, a layer of cushion rubber 17 covers the bottom of the foot cup 17, and the cushion rubber 17 can further prevent noise generated by vibration of the air compressor.
As further shown in fig. 2 and 3, two pressure locks 40 are provided, and are respectively located on one side of the sealing door 30 away from the hinge 32, and each pressure lock 40 includes a concave lock block 41, a pressure lock fixing block 43 and a connecting shaft 42; one end of the concave locking block 41 is provided with a through hole, a connecting shaft 42 is sleeved in the through hole, two ends of the connecting shaft 42 are fixed on a pressure locking fixing block 43, and the pressure locking fixing block 43 is fixed on the sealing door 30; the edge of the opening side of the noise reduction box 10 and close to the pressure lock 40 is provided with a convex strip which extends outwards towards the noise reduction box 10 along the vertical direction of the opening side; the degree of tightness between the noise reduction box 10 and the sealing door 30 is further improved by the pressure lock 40 forming an interactive pressure between the sealing door 30 and the noise reduction box 10.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides an air compressor machine noise reduction structure which characterized in that: the noise reduction box comprises an inner shell and an outer shell, wherein the inner shell is connected with the outer shell through a stand column, the stand column is connected to the bottom layers of the inner shell and the outer shell, one end of the stand column is installed on the outer low surface of the inner shell, and the other end of the stand column is installed on the inner low surface of the outer shell; the inner layer of the inner shell of the noise reduction box is wrapped with a layer of sound absorption cotton; a buffer pad is arranged on the inner bottom surface of the inner shell of the noise reduction box, and an air compressor installation plate is arranged on the buffer pad; the left side and the right side of the noise reduction box are respectively provided with a through hole, and the through holes penetrate through the inner shell and the outer shell of the noise reduction box; a circle of buffer ring is sleeved in the through hole on one side, an air outlet pipe is sleeved in the buffer ring, the air outlet pipe penetrates through the inner shell and the outer shell of the noise reduction box, and a silencer is installed at one end, entering the inner shell, of the air outlet pipe; an air inlet pipe is fixed in the through hole at the other side, and filter cotton is arranged in the air inlet pipe; the air inlet pipe penetrates through an inner shell and an outer shell of the noise reduction box, a partition plate is arranged at one end penetrating through the inner shell, and sound absorption cotton is wrapped on the partition plate; an opening is formed in one side of the noise reduction box, and the opening and the through hole are not located on the same side; a sealing door is arranged on one side of the opening of the noise reduction box, and a hinge is arranged between the sealing door and the noise reduction box; the sealing door is provided with a pressure lock; a layer of rubber ring is arranged between the sealing door and the noise reduction box and surrounds the opening of the noise reduction box; the outer ground of the noise reduction box shell is provided with a foot cup, and the bottom of the foot cup is covered with a layer of buffer glue.
2. The noise reduction structure of the air compressor according to claim 1, wherein: the outer ring of the air outlet pipe is attached to the inner ring of the buffer ring, the outer ring of the buffer ring is attached to the inner wall of the through hole, and the part, located between the inner shell and the outer shell of the noise reduction box, of the buffer ring is expanded.
3. The noise reduction structure of the air compressor according to claim 1, wherein: the two pressure locks are respectively positioned on one side of the sealing door away from the hinge, and each pressure lock comprises a concave lock block, a pressure lock fixing block and a connecting shaft; one end of the concave locking block is provided with a through hole, a connecting shaft is sleeved in the through hole, two ends of the connecting shaft are fixed on the pressure lock fixing block, and the pressure lock fixing block is fixed on the sealing door.
4. The noise reduction structure of the air compressor according to claim 3, wherein: the edge that falls noise box opening one side and be close to the pressure lock is equipped with the sand grip, and the sand grip is along the vertical direction of opening one side to outwards extend towards the noise box.
5. The noise reduction structure of the air compressor according to claim 1, wherein: the filter cotton is attached to the inner wall of the air inlet pipe and wraps the whole inner space of the air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129858.2U CN211144741U (en) | 2019-07-18 | 2019-07-18 | Noise reduction structure of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129858.2U CN211144741U (en) | 2019-07-18 | 2019-07-18 | Noise reduction structure of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144741U true CN211144741U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921129858.2U Active CN211144741U (en) | 2019-07-18 | 2019-07-18 | Noise reduction structure of air compressor |
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| Country | Link |
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| CN (1) | CN211144741U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215721A (en) * | 2021-12-22 | 2022-03-22 | Tcl家用电器（合肥）有限公司 | Noise reduction device and refrigerator |
| CN114412754A (en) * | 2021-12-22 | 2022-04-29 | Tcl家用电器（合肥）有限公司 | Noise reduction device and refrigerator |
| CN114412754B (en) * | 2021-12-22 | 2024-06-04 | Tcl家用电器（合肥）有限公司 | Noise reduction device and refrigerator |
-
2019
- 2019-07-18 CN CN201921129858.2U patent/CN211144741U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215721A (en) * | 2021-12-22 | 2022-03-22 | Tcl家用电器（合肥）有限公司 | Noise reduction device and refrigerator |
| CN114412754A (en) * | 2021-12-22 | 2022-04-29 | Tcl家用电器（合肥）有限公司 | Noise reduction device and refrigerator |
| CN114412754B (en) * | 2021-12-22 | 2024-06-04 | Tcl家用电器（合肥）有限公司 | Noise reduction device and refrigerator |
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