CN112628145A - Noise reduction device of screw air compressor - Google Patents
Noise reduction device of screw air compressor Download PDFInfo
- Publication number
- CN112628145A CN112628145A CN202011410646.9A CN202011410646A CN112628145A CN 112628145 A CN112628145 A CN 112628145A CN 202011410646 A CN202011410646 A CN 202011410646A CN 112628145 A CN112628145 A CN 112628145A
- Authority
- CN
- China
- Prior art keywords
- horizontal
- vertical
- fixedly connected
- air compressor
- rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/06—Silencing
- F04C29/065—Noise dampening volumes, e.g. muffler chambers
- F04C29/066—Noise dampening volumes, e.g. muffler chambers with means to enclose the source of noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
- F16F3/04—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction composed only of wound springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a noise reduction device of a screw air compressor, which comprises a shell and a sealing component which is symmetrically arranged at the top end inside the shell, wherein the bottom end inside the shell is fixedly connected with a shock absorption component, an air compressor mechanism is arranged above the shock absorption component, the sealing component comprises a horizontal rail, a horizontal sliding block, a vertical sliding block and a sealing plate, the horizontal rail, the horizontal sliding block, the vertical sliding block and the sealing plate are horizontally and symmetrically arranged on the inner side wall surface inside the shell, the left end and the right end of the horizontal rail are fixedly connected with a vertical rail which is perpendicular to the horizontal rail, the horizontal sliding block is in sliding connection with the horizontal rail through the inner rail of the horizontal rail. According to the invention, the sealing component is arranged, so that the air compressor is sealed in the shell when the air compressor runs, the transmission of noise is effectively blocked, and the vibration of the air compressor during running and the noise generated on the ground are effectively prevented from being cushioned by the cushioning component, so that the service life of the equipment is prolonged.
Description
Technical Field
The invention belongs to the field of noise reduction of air compressors, and particularly relates to a noise reduction device of a screw air compressor.
Background
Along with flourishing prosperity of economy, the living standard of people is continuously improved, the development of production technology is better and better, people are harsher and more demanding on the utilization of own time, in life, the requirement on equipment is higher and higher, the work efficiency of the equipment is expected to be improved through innovation on the equipment, the work time is reduced, the use efficiency is improved, the maximum value is exerted, along with the development of science and technology, the screw air compressor has the development of a great degree, the development brings great convenience to people when compressing and utilizing air, and the type and the number of the screw air compressor are increasing day by day. Although the air compressors on the market are very many in types and quantity, most screw air compressors have the problems of noise and vibration basically during use, the noise is often high during use, noise pollution is easily caused, the influence on human health is easily caused, strong vibration can be generated between the air compressors and the ground during use, and the service life of equipment is shortened. Therefore, the screw air compressor noise reduction device is improved.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides the noise reduction device for the screw air compressor.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a noise reduction device of a screw air compressor comprises a shell and closed components symmetrically arranged at the top end inside the shell, wherein a shock absorption component is fixedly connected to the bottom end inside the shell, and an air compressor mechanism is arranged above the shock absorption component;
the sealing assembly comprises a horizontal rail horizontally arranged on the inner side wall surface of the shell, a horizontal sliding block, a vertical sliding block and a sealing plate which is bilaterally and symmetrically arranged in the shell, wherein the left end and the right end of the horizontal rail are fixedly connected with the vertical rail which is perpendicular to the horizontal rail;
the air compressor mechanism comprises an air compressor main machine, a supporting plate, screws and nuts, wherein the bottom end of the air compressor main machine is symmetrically and fixedly connected with a bottom supporting piece, the bottom end of the bottom supporting piece is symmetrically provided with a first through fixing hole in the front-back direction, the top end of the supporting plate is provided with a second fixing hole corresponding to the first fixing hole, the top end of the supporting plate is positioned on the inner side of the second fixing hole and is symmetrically provided with a sliding hole, and the screws sequentially penetrate through the first fixing hole and the second fixing hole to be in threaded connection with;
the cushioning component comprises a bottom fixing part with the bottom fixedly connected with the bottom inside the shell, a horizontal sliding rod, a horizontal spring, a vertical spring, a fixed curved cylinder and a limiting disc, wherein the horizontal sliding rod, the horizontal spring, the vertical spring, the fixed curved cylinder and the limiting disc are symmetrically arranged, the limiting disc is positioned at the top end of the supporting plate, the left side and the right side of the top end of the bottom fixing part are symmetrically and fixedly connected with the fixed cylinder, the horizontal sliding rod penetrates through the fixed cylinder and is in sliding connection with the fixed cylinder, the two ends of the horizontal sliding rod are symmetrically and fixedly connected with the vertical sliding rod which is perpendicular to the horizontal sliding rod, the top end of the vertical sliding rod is provided with a threaded hole, the periphery of the vertical sliding rod penetrates through the sliding hole and is in sliding connection with the supporting plate, the periphery of the horizontal sliding rod is movably sleeved at the, horizontal cylinder and fixed curved section of thick bamboo fixed connection are inserted at horizontal sliding rod both ends, vertical cylinder and fixed curved section of thick bamboo fixed connection are inserted to vertical sliding rod bottom, horizontal spring one end and bottom mounting terminal surface fixed connection, horizontal spring keeps away from bottom mounting one end and fixed curved section of thick bamboo side fixed connection, vertical spring top and backup pad bottom fixed connection, vertical spring bottom and fixed curved section of thick bamboo top fixed connection, spacing dish bottom fixed connection has the threaded rod corresponding with the screw hole, the threaded rod bottom passes slip hole and vertical sliding rod threaded connection.
Furthermore, the first rotating shaft is rotatably connected with the connecting rod through a first rotating hole, and the second rotating shaft is rotatably connected with the connecting rod through a second rotating hole.
Furthermore, the fixed curved cylinder further comprises a cam shaft and a balance cam which are fixedly arranged on the outer side of the fixed curved cylinder, a through cam hole is formed in the center of the balance cam, and the cam shaft is rotatably connected with the balance cam through the cam hole.
Further, the circumference diameter of the limiting disc is larger than the aperture of the sliding hole.
The invention has the beneficial effects that: this kind of device of making an uproar falls in screw compressor machine through being provided with the seal assembly, effectively blocks the propagation of noise with the air compressor machine seal in the shell when the air compressor machine operation, through being provided with the bradyseism subassembly, has effectively prevented that the air compressor machine vibration and ground from producing the life that the noise has also bradyseism promoted equipment when the operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial sectional view of the construction of the present invention;
FIG. 3 is an exploded view of a portion of the structure of the present invention;
FIG. 4 is an exploded view of a portion of the structure of the present invention;
fig. 5 is an exploded view of a partial structure of the present invention.
In the figure: 1. a housing; 2. a closure assembly; 21. a horizontal rail; 22. a vertical track; 23. a horizontal slider; 231. a first rotating shaft; 24. a vertical slide block; 241. a second rotating shaft; 25. a connecting rod; 251. a first rotary hole; 252. a second rotary hole; 26. a closing plate; 3. an air compressor mechanism; 31. a main machine of the air compressor; 32. a bottom support; 321. a first fixing hole; 33. a support plate; 331. a second fixing hole; 332. a slide hole; 34. a screw; 35. a nut; 4. a cushioning component; 41. a bottom fixture; 411. a fixed cylinder; 42. a horizontal slide bar; 43. a vertical slide bar; 431. a threaded hole; 44. a horizontal spring; 45. a vertical spring; 46. fixing the bent cylinder; 461. a horizontal cylinder; 462. a vertical cylinder; 463. a camshaft; 464. a balance cam; 4641. a cam hole; 47. a limiting disc; 471. a threaded rod.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in fig. 1 and 2, the screw air compressor noise reduction device comprises a shell 1 and a sealing component 2 which is symmetrically arranged on the top end inside the shell 1, wherein a cushioning component 4 is fixedly connected to the bottom end inside the shell 1, and an air compressor mechanism 3 is arranged above the cushioning component 4.
As shown in fig. 3, the sealing assembly 2 includes a horizontal rail 21 horizontally disposed on the inner side wall surface of the housing 1, a horizontal slider 23, a vertical slider 24, and a sealing plate 26 bilaterally symmetrically disposed inside the housing 1, wherein the left and right ends of the horizontal rail 21 are fixedly connected with vertical rails 22 vertically disposed with the horizontal rail 21, the horizontal slider 23 is slidably connected with the horizontal rail 21 through the inner rail of the horizontal rail 21, the vertical slider 24 is slidably connected with the vertical rail 22 through the inner rail of the vertical rail 22, one side of the horizontal slider 23 facing away from the horizontal rail 21 is fixedly connected with a first rotating shaft 231, one side of the vertical slider 24 facing away from the vertical rail 22 is fixedly connected with a second rotating shaft 241, two sides of the inner side of the sealing plate 26 are symmetrically and fixedly connected with vertically disposed connecting rods 25, one end of each connecting rod 25 is provided with a first rotating hole 251 corresponding to the horizontal slider 23, one end of each connecting rod 25, the first rotating shaft 231 is rotatably connected to the connecting rod 25 through a first rotating hole 251, and the second rotating shaft 241 is rotatably connected to the connecting rod 25 through a second rotating hole 252.
As shown in fig. 4, the air compressor mechanism 3 includes an air compressor main unit 31, a support plate 33, screws 34 and nuts 35, the bottom end of the air compressor main unit 31 is symmetrically and fixedly connected with a bottom support member 32, the bottom end of the bottom support member 32 is symmetrically provided with a first through fixing hole 321 in a front-back direction, the top end of the support plate 33 is provided with a second fixing hole 331 corresponding to the first fixing hole 321, the top end of the support plate 33 is located at the inner side of the second fixing hole 331 and symmetrically provided with a sliding hole 332, and the screws 34 sequentially penetrate through the first fixing hole 321, the second fixing hole 331 and the nuts 35 and.
As shown in fig. 5, the shock absorbing assembly 4 includes a bottom fixing member 41 with a bottom end fixedly connected to the bottom end inside the housing 1, a horizontal sliding rod 42 symmetrically arranged, a horizontal spring 44, a vertical spring 45, a fixed bent cylinder 46 symmetrically arranged, and a limiting disc 47 located at the top end of the supporting plate 33, wherein the top end of the bottom fixing member 41 is symmetrically and fixedly connected with a fixed cylinder 411 at the left and right sides, the horizontal sliding rod 42 passes through the fixed cylinder 411 and is slidably connected with the fixed cylinder 411, the two ends of the horizontal sliding rod 42 are symmetrically and fixedly connected with a vertical sliding rod 43 vertically arranged with the horizontal sliding rod 42, the top end of the vertical sliding rod 43 is provided with a threaded hole 431, the peripheral side of the vertical sliding rod 43 passes through a sliding hole 332 and is slidably connected with the supporting plate 33, the peripheral side of the horizontal sliding rod 42 is movably sleeved with the horizontal spring 44 at the two ends of, the fixed curved cylinder 46 comprises a horizontal cylinder 461 arranged horizontally and a vertical cylinder 462 arranged vertically to the horizontal cylinder 461, two ends of a horizontal sliding rod 42 are inserted into the horizontal cylinder 461 and fixedly connected with the fixed curved cylinder 46, the bottom end of a vertical sliding rod 43 is inserted into the vertical cylinder 462 and fixedly connected with the fixed curved cylinder 46, one end of a horizontal spring 44 is fixedly connected with the end surface of the bottom fixing part 41, one end of the horizontal spring 44 far away from the bottom fixing part 41 is fixedly connected with the side end of the fixed curved cylinder 46, the top end of the vertical spring 45 is fixedly connected with the bottom end of a supporting plate 33, the bottom end of the vertical spring 45 is fixedly connected with the top end of the fixed curved cylinder 46, the bottom end of a limiting disc 47 is fixedly connected with a threaded rod 471 corresponding to the threaded hole 431, the bottom end of the threaded rod 471 passes through the sliding hole 332 and is in threaded connection with the vertical sliding rod 43, the fixed curved cylinder 46 further comprises a, the cam shaft 463 is rotatably connected to the balance cam 464 through a cam hole 4641, and the circumferential diameter of the stopper disk 47 is larger than the diameter of the slide hole 332.
In the invention, the horizontal sliding block 23 moves inwards, the horizontal sliding block 23 drives the connecting rod 25 to move through the first rotating shaft 231, the connecting rod 25 rotates for a certain angle to drive the sealing plate 26 to move, meanwhile, the vertical sliding block 24 moves upwards, when the vertical sliding block 24 moves to the top end of the fixed sealing component 2, the horizontal sliding block 23 moves to the center of the horizontal track 21, the sealing plate 26 is in a horizontal state, the shell 1 is sealed, part of noise is effectively prevented from being transmitted into ears, when the air compressor runs, the first fixing hole 321 transmits vibration to the supporting plate 33, the vibration of the supporting plate 33 is cushioned and counteracted through the vertical sliding rod 43 and the vertical spring 45, the balance cam 464 counteracts part of vibration through movement, the noise is generated by limited operation of the air compressor and ground vibration, and the service life of the air compressor is prolonged.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (4)
1. The screw air compressor noise reduction device is characterized by comprising a shell (1) and sealing components (2) which are symmetrically arranged at the top end inside the shell (1), wherein a cushioning component (4) is fixedly connected to the bottom end inside the shell (1), and an air compressor mechanism (3) is arranged above the cushioning component (4);
the sealing component (2) comprises a horizontal rail (21) horizontally arranged on the inner side wall surface of the shell (1), a horizontal sliding block (23), a vertical sliding block (24) and a sealing plate (26) bilaterally symmetrically arranged inside the shell (1), wherein the left end and the right end of the horizontal rail (21) are fixedly connected with a vertical rail (22) vertically arranged with the horizontal rail (21), the horizontal sliding block (23) is connected with the horizontal rail (21) in a sliding way through the inner rail of the horizontal rail (21), the vertical sliding block (24) is connected with the vertical rail (22) in a sliding way through the inner rail of the vertical rail (22), one side of the horizontal sliding block (23) departing from the horizontal rail (21) is fixedly connected with a first rotating shaft (231), one side of the vertical sliding block (24) departing from the vertical rail (22) is fixedly connected with a second rotating shaft (241), two sides of the inner side surface of the, one end of the connecting rod (25) is provided with a first rotating hole (251) corresponding to the horizontal sliding block (23), and one end of the connecting rod (25) far away from the first rotating hole (251) is provided with a second rotating hole (252) corresponding to the second rotating shaft (241);
the air compressor mechanism (3) comprises an air compressor main machine (31), a supporting plate (33), screws (34) and nuts (35), wherein the bottom end of the air compressor main machine (31) is symmetrically and fixedly connected with a bottom supporting piece (32), the bottom end of the bottom supporting piece (32) is symmetrically provided with through first fixing holes (321) in a front-back mode, the top end of the supporting plate (33) is provided with second fixing holes (331) corresponding to the first fixing holes (321), the top end of the supporting plate (33) is positioned on the inner side of the second fixing holes (331) and symmetrically provided with sliding holes (332), and the screws (34) sequentially penetrate through the first fixing holes (321) and the second fixing holes (331) to be in threaded connection with the nuts (;
the shock absorption assembly (4) comprises a bottom fixing part (41) with the bottom end fixedly connected with the bottom end inside the shell (1), horizontal sliding rods (42) symmetrically arranged, horizontal springs (44), vertical springs (45), fixed bent cylinders (46) symmetrically arranged, and a limiting disc (47) positioned at the top end of the supporting plate (33), wherein the left side and the right side of the top end of the bottom fixing part (41) are symmetrically and fixedly connected with fixed cylinders (411), the horizontal sliding rods (42) penetrate through the fixed cylinders (411) to be slidably connected with the fixed cylinders (411), the two ends of the horizontal sliding rods (42) are symmetrically and fixedly connected with vertical sliding rods (43) which are perpendicular to the horizontal sliding rods (42), threaded holes (431) are formed in the top ends of the vertical sliding rods (43), the peripheral sides of the vertical sliding rods (43) penetrate through the sliding holes (332) to be slidably connected with the supporting plate (33), the peripheral sides of the horizontal sliding rods (42) are movably sleeved with the, the periphery of the vertical sliding rod (43) is movably sleeved with a vertical spring (45) below the supporting plate (33), the fixed bent cylinder (46) comprises a horizontal cylinder (461) arranged horizontally and a vertical cylinder (462) arranged vertically to the horizontal cylinder (461), two ends of the horizontal sliding rod (42) are inserted into the horizontal cylinder (461) and fixedly connected with the fixed bent cylinder (46), the bottom end of the vertical sliding rod (43) is inserted into the vertical cylinder (462) and fixedly connected with the fixed bent cylinder (46), one end of the horizontal spring (44) is fixedly connected with the end face of the bottom fixing part (41), one end of the horizontal spring (44) far away from the bottom fixing part (41) is fixedly connected with the side end of the fixed bent cylinder (46), the top end of the vertical spring (45) is fixedly connected with the bottom end of the supporting plate (33), the bottom end of the vertical spring (45) is fixedly connected with the top end of the fixed bent cylinder (46), the bottom end of the limiting disc (47) is fixedly connected with, the bottom end of the threaded rod (471) penetrates through the sliding hole (332) to be in threaded connection with the vertical sliding rod (43).
2. The noise reduction device of the screw air compressor as claimed in claim 1, wherein the first rotary shaft (231) is rotatably connected to the connecting rod (25) through a first rotary hole (251), and the second rotary shaft (241) is rotatably connected to the connecting rod (25) through a second rotary hole (252).
3. The noise reduction device of the screw air compressor as claimed in claim 1, wherein the fixed curved cylinder (46) further comprises a cam shaft (463) and a balance cam (464) fixedly arranged at the outer side of the fixed curved cylinder (46), a through cam hole (4641) is formed in the center of the balance cam (464), and the cam shaft (463) is rotatably connected with the balance cam (464) through the cam hole (4641).
4. The noise reduction device of the screw air compressor as claimed in claim 1, wherein the circumferential diameter of the limiting disc (47) is larger than the aperture of the sliding hole (332).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011410646.9A CN112628145B (en) | 2020-12-04 | 2020-12-04 | Noise reduction device of screw air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011410646.9A CN112628145B (en) | 2020-12-04 | 2020-12-04 | Noise reduction device of screw air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112628145A true CN112628145A (en) | 2021-04-09 |
| CN112628145B CN112628145B (en) | 2022-08-02 |
Family
ID=75308220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011410646.9A Active CN112628145B (en) | 2020-12-04 | 2020-12-04 | Noise reduction device of screw air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112628145B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030126681A1 (en) * | 2002-01-09 | 2003-07-10 | Douglas Tharalson | Multi-purpose convertible play yard |
| CN105805006A (en) * | 2016-05-11 | 2016-07-27 | 沈阳金阳光电气有限公司 | Oilless silent air compressor assembly for electric cars |
| CN205841209U (en) * | 2016-08-01 | 2016-12-28 | 上海斯可络压缩机有限公司 | Screw air compressing cabinet cover mechanism |
| CN207673548U (en) * | 2018-01-09 | 2018-07-31 | 惠州市光华机电设备有限公司 | A kind of oil free screw machine air compressor machine |
| CN210461071U (en) * | 2019-05-06 | 2020-05-05 | 贵阳特克数控刃具有限公司 | Low-noise screw air compressor |
| CN213298271U (en) * | 2020-04-22 | 2021-05-28 | 渭南春风油脂有限责任公司 | Screw air compressor |
-
2020
- 2020-12-04 CN CN202011410646.9A patent/CN112628145B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030126681A1 (en) * | 2002-01-09 | 2003-07-10 | Douglas Tharalson | Multi-purpose convertible play yard |
| CN105805006A (en) * | 2016-05-11 | 2016-07-27 | 沈阳金阳光电气有限公司 | Oilless silent air compressor assembly for electric cars |
| CN205841209U (en) * | 2016-08-01 | 2016-12-28 | 上海斯可络压缩机有限公司 | Screw air compressing cabinet cover mechanism |
| CN207673548U (en) * | 2018-01-09 | 2018-07-31 | 惠州市光华机电设备有限公司 | A kind of oil free screw machine air compressor machine |
| CN210461071U (en) * | 2019-05-06 | 2020-05-05 | 贵阳特克数控刃具有限公司 | Low-noise screw air compressor |
| CN213298271U (en) * | 2020-04-22 | 2021-05-28 | 渭南春风油脂有限责任公司 | Screw air compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112628145B (en) | 2022-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020155539A1 (en) | Hinge and household device having same | |
| CN213400837U (en) | Noise reduction buffer device for dry-type transformer iron core | |
| CN112628145B (en) | Noise reduction device of screw air compressor | |
| CN210918801U (en) | Aluminum alloy door and window with good sealing performance | |
| CN220487298U (en) | Spring type door handle | |
| CN215949774U (en) | Spraying plastics of air compressor machine is discharged and is fallen structure of making an uproar | |
| CN214835925U (en) | Mute type suit timber | |
| CN207111434U (en) | Slide plate, compression mechanism and the rotary compressor of rotary compressor | |
| CN215720514U (en) | Rubber spring type crankshaft vibration damper | |
| CN216078104U (en) | Combined shock absorber based on metal rubber | |
| CN212775151U (en) | Ball head assembly of petal skeleton dust cover | |
| CN219157386U (en) | Bridge steel structure base | |
| CN114541900A (en) | Buffering hinge | |
| CN221119569U (en) | Iron art door with noise reduction mechanism | |
| CN208547887U (en) | A kind of computer vibration abatement | |
| WO2020087654A1 (en) | Sealing structure and scroll air compressor having same | |
| CN215805185U (en) | Screw air compressor machine that vibration attenuation effect of making an uproar falls | |
| CN213929264U (en) | Be applicable to notebook computer damper | |
| CN213042218U (en) | Anticollision computer housing | |
| CN216886253U (en) | Dual two-way shock attenuation formula vehicle vent-pipe rubber lug | |
| CN220035767U (en) | Ultrahigh damping vibration isolation type support | |
| CN212407437U (en) | Low-noise air compressor | |
| CN214728143U (en) | Engine support | |
| CN221097317U (en) | Bidirectional elastic damping body shock absorber | |
| CN214659467U (en) | Door lock mechanism and refrigerator comprising same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |