CN117345579B - Novel internal air inlet mute air oil-free compressor - Google Patents
Novel internal air inlet mute air oil-free compressor Download PDFInfo
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- CN117345579B CN117345579B CN202311194007.7A CN202311194007A CN117345579B CN 117345579 B CN117345579 B CN 117345579B CN 202311194007 A CN202311194007 A CN 202311194007A CN 117345579 B CN117345579 B CN 117345579B
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- 238000007789 sealing Methods 0.000 claims abstract description 169
- 230000005540 biological transmission Effects 0.000 claims abstract description 123
- 230000006835 compression Effects 0.000 claims abstract description 117
- 238000007906 compression Methods 0.000 claims abstract description 117
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 230000017525 heat dissipation Effects 0.000 claims abstract description 28
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 5
- 230000007547 defect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 25
- 238000010586 diagram Methods 0.000 description 11
- 230000033001 locomotion Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
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- 239000000853 adhesive Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/005—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders with two cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0033—Pulsation and noise damping means with encapsulations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/06—Cooling; Heating; Prevention of freezing
- F04B39/066—Cooling by ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The invention provides a novel internal air inlet mute air oil-free compressor. Comprising the following steps: the first transmission compression working assembly, the second transmission compression working assembly and the driving assembly; the driving assembly is fixedly arranged between the first transmission compression working assembly and the second transmission compression working assembly, output shafts at two ends of the driving assembly are respectively inserted into the first transmission compression working assembly and the second transmission compression working assembly, and the first transmission compression working assembly and the second transmission compression working assembly are symmetrically arranged and have the same structure; the first transmission compression working assembly comprises a first cylinder body, a first baffle cover, a first sealing bearing, a first transmission compression mechanism, a first fan blade and a second sealing bearing. The novel internal air inlet mute air oil-free compressor provided by the invention solves the defects of relatively large noise and poor heat dissipation existing in the working process of the existing oil-free air compressor.
Description
Technical Field
The invention relates to the technical field of air compressors, in particular to a novel internal air inlet mute air oil-free compressor.
Background
The oil-free air compressors for oxygenerators in the market at present are mainly divided into two types, and as the connecting rod part, the eccentric wheel, the rotor bearing and the eccentric wheel bearing are exposed and communicated with the atmosphere, when the oil-free air compressors work, the connecting rod part, the eccentric wheel, the rotor bearing and the eccentric wheel bearing rotate at a high speed, so that the generated noise is relatively large; the other kind of oil-free air compressor is to seal the shell, wrap up connecting rod part, eccentric wheel, rotor bearing, eccentric wheel bearing into the oil-free air compressor inside, and its noise has reduced, but this kind of structure can't set up the fan blade, so operating temperature is higher, also leads to oil-free air compressor temperature coefficient to drop by a wide margin simultaneously, problem that oil-free air compressor work efficiency is low.
In summary, the existing oil-free air compressor has the defects of relatively large noise and poor heat dissipation during operation.
Disclosure of Invention
In order to solve the above problems, the present invention provides a new internal air intake mute air oil-free compressor to solve the problems set forth in the above background art.
According to a first aspect of the present invention there is provided a new intake mute air oil-free compressor comprising: the first transmission compression working assembly, the second transmission compression working assembly and the driving assembly;
the driving assembly is fixedly arranged between the first transmission compression working assembly and the second transmission compression working assembly, output shafts at two ends of the driving assembly are respectively inserted into the first transmission compression working assembly and the second transmission compression working assembly, and the first transmission compression working assembly and the second transmission compression working assembly are symmetrically arranged and have the same structure;
the first transmission compression working assembly comprises a first cylinder body, a first baffle cover, a first sealing bearing, a first transmission compression mechanism, a first fan blade and a second sealing bearing;
the left and right sides of the lower extreme of first cylinder body has first opening and first through-hole respectively, first fender lid sets up the inside at first cylinder body lower extreme, and first fender lid is located first opening side, so that form the heat dissipation wind channel between the lateral wall of first fender lid and the inside wall of first cylinder body, and so that form the installation cavity between the inside wall of first fender lid and the inside wall of first cylinder body, first transmission compressing mechanism arranges the installation intracavity in, be equipped with the second through-hole on the first fender lid, first through-hole and second through-hole correspond the setting each other, the output shaft of drive assembly one end passes first through-hole and second through-hole in proper order, the cover is equipped with first transmission compressing mechanism's driving end respectively on the output shaft of drive assembly one end, first sealing bearing and second sealing bearing, and first sealing bearing is located first through-hole department, and second sealing bearing is located second through-hole department, the inside wall of first cylinder body, the inside wall of first fender lid, first sealing bearing, form air inlet seal cavity A between first transmission compressing mechanism and the second sealing bearing, the output shaft of drive assembly one end is equipped with first fan blade one end.
Optionally, the first retaining cover and the first cylinder body are integrally cast and formed.
Optionally, the detachable setting of first fender lid is in the inside of first cylinder body lower extreme, and the junction between first fender lid and the first cylinder body is equipped with the second sealing washer.
Optionally, the first retaining cover has upper portion and lower part, and casting molding sets up as an organic whole between the upper portion of first retaining cover and the first cylinder body, and the lower part detachable of first retaining cover sets up in the inside of first cylinder body lower extreme, and the junction between first retaining cover and the first cylinder body is equipped with the third sealing washer.
Optionally, the first transmission compression mechanism includes a first transmission assembly and a first compression assembly;
the first transmission assembly is fixedly arranged below the first compression assembly, and the transmission end of the first transmission assembly is sleeved on the output shaft at one end of the driving assembly;
the first transmission assembly comprises a first connecting rod assembly, a third sealing bearing and an eccentric wheel assembly;
the eccentric wheel assembly is sleeved on an output shaft at one end of the driving assembly, the third sealing bearing is sleeved on the eccentric wheel assembly, the lower end of the first connecting rod assembly is sleeved on the third sealing bearing through the mounting opening, the eccentric wheel assembly is arranged at the left side or the right side of the first connecting rod assembly, the upper end of the first connecting rod assembly is fixedly connected with a first piston of the first compression assembly, and an air inlet sealing cavity A is formed among the inner side wall of the first cylinder body, the inner side wall of the first baffle cover, the first sealing bearing, the first connecting rod assembly and the second sealing bearing;
The first compression assembly further comprises a first valve plate assembly;
the first valve plate assembly is fixedly arranged at the upper end of the first cylinder body, so that an exhaust sealing cavity B is formed between the inner side wall of the first cylinder body and the upper end face of the first valve plate assembly, the first piston is detachably arranged at the upper end of the first connecting rod assembly, the first piston is arranged below the first valve plate assembly, so that a sealing cavity C is formed among the inner side wall of the first cylinder body, the lower end face of the first valve plate assembly and the first piston, a first exhaust port is formed in the upper end face of the first valve plate assembly, and a penetrating second air inlet is formed in the upper ends of the first piston and the first connecting rod assembly.
Optionally, the top of the installation mouth of first link assembly is equipped with the type of falling L grooving, and the type of falling L grooving and installation mouth intercommunication are equipped with first screw mounting hole to the side of first link assembly, and first screw mounting hole sets up perpendicularly with the type of falling L grooving of installation mouth link, and first screw mounting hole and type of falling L grooving intercommunication, eccentric wheel subassembly suit is on third sealed bearing and is fixed on first screw mounting hole with fixed third sealed bearing through the screw screwing.
Optionally, a vertical slot is arranged below the mounting port of the first link assembly, the vertical slot is communicated with the mounting port, a second screw mounting hole is formed in the side surface of the first link assembly, the second screw mounting hole is perpendicular to the vertical slot, the second screw mounting hole is communicated with the vertical slot, and the eccentric wheel assembly is sleeved on the third sealing bearing and is screwed and fixed on the second screw mounting hole through a screw to fix the third sealing bearing.
Optionally, the eccentric wheel assembly is sleeved on the third sealing bearing through the mounting port in a hot-loading or cold-loading mode between the eccentric wheel assembly and the third sealing bearing.
Optionally, a third screw mounting hole perpendicular to the output shaft at one end of the driving assembly is formed in the eccentric wheel assembly, the eccentric wheel assembly is sleeved on the output shaft at one end of the driving assembly and is screwed and fixed on the third screw mounting hole through a screw so as to tightly fix the eccentric wheel assembly on the driving assembly, and the axis of the third screw mounting hole is coaxial with the axis of the second air inlet.
Optionally, a fifth sealing ring is arranged at the joint between the first piston and the first connecting rod assembly.
Optionally, a positioning step is arranged on the side surface of the eccentric wheel assembly, and the positioning step is arranged corresponding to the second through hole.
Optionally, the output shaft of drive assembly one end includes first output shaft and second output shaft, and the one end of first output shaft is equipped with the external screw thread, and the one end of second output shaft is equipped with the internal screw thread, twists on the internal screw thread through the external screw thread between first output shaft and the second output shaft with fixed connection, and first drive assembly's transmission end suit is on the second output shaft, and the second output shaft passes first through-hole, and first output shaft passes the second through-hole, and the junction of first output shaft and second output shaft is located the installation intracavity.
Optionally, the new-internal-air-intake mute air oil-free compressor further comprises an air intake connecting pipe and an air exhaust connecting pipe,
the first transmission compression working assembly and the second transmission compression working assembly are both provided with an air inlet passage and an air outlet passage, the air inlet passage is communicated with an air inlet sealing cavity A corresponding to the air inlet passage, the air outlet passage is communicated with an air outlet sealing cavity B corresponding to the air outlet passage, the first transmission compression working assembly and the second transmission compression working assembly are arranged on the air inlet passage through an air inlet connecting pipe, and the first transmission compression working assembly and the second transmission compression working assembly are arranged on the air outlet passage through an air outlet connecting pipe.
Optionally, the inlet connection pipe and the exhaust connection pipe have the same structure;
the air inlet connecting pipe comprises a linear air inlet connecting pipe and a three-way air inlet connecting pipe, the inner diameter of one end of the linear air inlet connecting pipe is smaller than that of the other end of the linear air inlet connecting pipe, one end of the linear air inlet connecting pipe is detachably arranged on an air inlet passage of the first transmission compression working assembly, one pipeline in the three-way air inlet connecting pipe is inserted into the other end of the linear air inlet connecting pipe, one pipeline in the three-way air inlet connecting pipe axially slides along the other end of the linear air inlet connecting pipe and rotates around the axis of the pipeline, and the other pipeline in the three-way air inlet connecting pipe which is relatively arranged with one pipeline in the three-way air inlet connecting pipe is detachably arranged on the air inlet passage of the second transmission compression working assembly.
Optionally, a seventh sealing ring is arranged between the other end of the linear air inlet connecting pipe and one pipeline in the three-way air inlet connecting pipe.
Optionally, the first cylinder comprises an upper cylinder, a lower housing and a cylinder;
the first cylinder body comprises an upper cylinder body, a lower shell and a cylinder;
the lower extreme of cylinder is fixed to be set up in the upper end of lower casing, and the lower extreme of cylinder is equipped with fourth sealing washer groove, is equipped with the fourth sealing washer on the fourth sealing washer groove, and the fourth sealing washer is located the junction of cylinder and lower casing, goes up the cylinder body setting in the upper end of cylinder.
Optionally, the fourth sealing ring is an O-ring.
Optionally, a plurality of first heat dissipation ribs are arranged on the outer side wall of the cylinder, and the plurality of first heat dissipation ribs are distributed radially along the outer side wall of the cylinder.
Optionally, a plurality of second heat dissipation ribs are vertically and uniformly distributed on the top end surface of the upper cylinder body.
Optionally, the end part of the output shaft at one end of the driving component is provided with a first fan blade, the first fan blade is positioned at a first opening at the outer side of the first baffle cover, or a first fan blade is arranged at a position close to the first sealing bearing, and the first fan blade is positioned between the lower shell and the driving component.
According to the novel internal air-intake mute air oil-free compressor, the left side and the right side of the lower end of the first cylinder body are respectively provided with the first opening and the first through hole, the first baffle cover is arranged in the lower end of the first cylinder body, the first baffle cover is positioned on the first opening side, so that a heat dissipation air channel is formed between the outer side wall of the first baffle cover and the inner side wall of the first cylinder body, a mounting cavity is formed between the inner side wall of the first baffle cover and the inner side wall of the first cylinder body, the first transmission compression mechanism is arranged in the mounting cavity, the first baffle cover is provided with the second through hole, the first through hole and the second through hole are correspondingly arranged, an output shaft at one end of the driving component sequentially passes through the first through hole and the second through hole, the transmission end of the first transmission compression mechanism, the first sealing bearing and the second sealing bearing are sleeved on the output shaft at one end of the driving component respectively, the first sealing bearing is positioned at the first through hole, the second sealing bearing is positioned at the second through hole, and an air inlet sealing cavity A is formed among the inner side wall of the first cylinder body, the first sealing bearing, the first transmission compression mechanism and the second sealing bearing are positioned at the second through hole; by forming the air inlet sealing chamber A, even if the first transmission compression mechanism runs at a high speed during working, the noise transmitted out can be greatly reduced due to the formation of the air inlet sealing chamber A; and the output shaft at one end of the driving component is provided with a first fan blade, so that even if the first transmission compression mechanism runs at a high speed in the air inlet sealing cavity A to generate heat and the driving component generates heat after being electrified, the heat dissipation performance of the device can be improved due to the arrangement of the first fan blade and the heat dissipation air duct. Therefore, the invention solves the defects of relatively large noise and poor heat dissipation of the existing oil-free air compressor during working.
Drawings
Fig. 1 is a sectional view showing the overall internal structure of a novel intake mute air oil-free compressor according to the present invention;
fig. 2 is a schematic diagram of the overall structure of a novel internal air intake mute air oil-free compressor according to the present invention;
FIG. 3 is a cross-sectional view of a new inside intake silent air oil free compressor according to the present invention with a first cylinder and a first cover integrally cast;
fig. 4 is a schematic three-dimensional structure diagram of a first view angle of a first cylinder body and a first baffle cover of a novel internal air intake mute air oil-free compressor which are integrally cast according to the invention;
fig. 5 is a schematic three-dimensional structure diagram of a second view angle of a new internal air intake mute air oil-free compressor according to the present invention, wherein the first cylinder body and the first baffle cover are integrally cast;
fig. 6 is a schematic three-dimensional structure diagram of a first cylinder and a first baffle cover of a novel internal air intake mute air oil-free compressor combined into a first split type according to the invention;
fig. 7 is a schematic three-dimensional structure diagram of a second split type combined by a first cylinder body and a first baffle cover of a novel internal air intake mute air oil-free compressor provided by the invention;
Fig. 8 is a schematic three-dimensional structure diagram of a first cylinder and a first baffle cover of a new internal air intake mute air oil-free compressor combined into a second split type first baffle cover without split according to the present invention;
fig. 9 is a schematic view showing a first construction of a first link assembly of a new intake mute air oil-free compressor according to the present invention;
FIG. 10 is a cross-sectional view A-A of FIG. 6 of a new intake mute air oil-free compressor provided in accordance with the present invention;
FIG. 11 is a sectional view B-B in FIG. 7 of a new intake mute air oil-free compressor provided in accordance with the present invention;
fig. 12 is a schematic view showing a second construction of a first link assembly of a new intake mute air oil-free compressor according to the present invention;
FIG. 13 is a cross-sectional view C-C of FIG. 9 of a new intake mute air oil-free compressor provided in accordance with the present invention;
fig. 14 is a schematic view showing a third construction of a first link assembly of a new intake mute air oil-free compressor according to the present invention;
FIG. 15 is a D-D sectional view of the new intake mute air oil-free compressor provided in accordance with the present invention in FIG. 9;
fig. 16 is a schematic diagram of a first installation step between a first output shaft and a second output shaft in an output shaft at one end of a driving assembly of a new internal air intake mute air oil-free compressor according to the present invention;
Fig. 17 is a schematic diagram of a second installation step between a first output shaft and a second output shaft in an output shaft at one end of a driving assembly of a new internal air intake mute air oil-free compressor according to the present invention;
fig. 18 is a schematic diagram of a third installation step between a first output shaft and a second output shaft in an output shaft at one end of a driving assembly of a new internal air intake mute air oil-free compressor according to the present invention;
FIG. 19 is a schematic view showing the structure of a new air intake silent air oil-free compressor with a fan blade between a lower housing and a driving assembly according to the present invention;
FIG. 20 is a schematic view of a vane of a novel air-in-silence oil-free compressor according to the present invention, without a first cylinder, between a lower housing and a driving assembly;
fig. 21 is a schematic structural view of a cylinder of a new internal air intake mute air oil-free compressor provided by the invention, wherein heat dissipation ribs are radially arranged on the cylinder;
fig. 22 is a schematic diagram of an intake connection pipe of a new intake mute air oil-free compressor according to the present invention with a sectional structure.
List of reference numerals:
10. a first drive compression work assembly; 11. a first cylinder; 110. an upper cylinder; 111. a lower housing; 112. a cylinder; 12. a first blocking cover; 13. a first sealed bearing; 14. a first drive compression mechanism; 140. a first transmission assembly; 1400. a first link assembly; 1401. a third sealed bearing; 1402. an eccentric wheel assembly; 141. a first compression assembly; 1410. a first valve plate assembly; 1411. a first piston; 15. a first fan blade; 16. a second sealed bearing; 17. a heat dissipation air duct; 20. a second drive compression work assembly; 30. a drive assembly; 40. an air inlet connecting pipe; 41. a linear air inlet connecting pipe; 42. three-way type air inlet connecting pipe; 50. an exhaust connection pipe; A. an air inlet sealing chamber; B. exhausting the sealed chamber; C. sealing the chamber.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 22, the invention provides a novel internal air-intake mute air oil-free compressor, which can solve the defects of relatively large noise and poor heat dissipation existing in the existing oil-free air compressor during operation.
The invention provides a novel internal air inlet mute air oil-free compressor, which comprises a first transmission compression working assembly 10, a second transmission compression working assembly 20 and a driving assembly 30;
the driving assembly 30 is fixedly arranged between the first transmission compression working assembly 10 and the second transmission compression working assembly 20, output shafts at two ends of the driving assembly 30 are respectively inserted into the first transmission compression working assembly 10 and the second transmission compression working assembly 20, and the first transmission compression working assembly 10 and the second transmission compression working assembly 20 are symmetrically arranged and have the same structure;
the first transmission compression working assembly 10 comprises a first cylinder body 11, a first baffle cover 12, a first sealing bearing 13, a first transmission compression mechanism 14, a first fan blade 15 and a second sealing bearing 16;
the left and right sides of the lower extreme of first cylinder body 11 has first opening and first through-hole respectively, first fender lid 12 sets up in the inside of first cylinder body 11 lower extreme, and first fender lid 12 is located first opening side, so that form the heat dissipation wind channel 17 between the lateral wall of first fender lid 12 and the inside wall of first cylinder body 11, and so that form the installation cavity between the inside wall of first fender lid 12 and the inside wall of first cylinder body 11, first transmission compressing mechanism 14 is arranged in the installation cavity, be equipped with the second through-hole on the first fender lid 12, first through-hole and second through-hole correspond the setting each other, the output shaft of drive assembly 30 one end is equipped with the driving end of first transmission compressing mechanism 14 respectively in the cover on the output shaft of drive assembly 30 one end, first sealing bearing 13 and second sealing bearing 16, and first sealing bearing 13 is located first through-hole department, and second sealing bearing 16 are located second through-hole department, the inside wall of first cylinder body 11, first transmission compressing mechanism 14 is equipped with the second through-hole, be equipped with the second through-hole on the first fender lid 12, first output shaft is equipped with the sealed fan blade of drive assembly 15 between first transmission compressing mechanism 14 and the second output shaft 16, drive assembly 30 one end is equipped with the sealed fan blade 15.
The driving assembly 30 is a motor (the driving assembly 30 is a motor, and may be a direct current motor or an alternating current motor), a motor stator is further provided outside the motor, two ends of the motor stator are respectively fixed on the first transmission compression working assembly 10 and the second transmission compression working assembly 20, and connection between the first transmission compression working assembly 10 and the second transmission compression working assembly 20 may be through a bolt rod.
The invention provides a novel internal air intake mute air oil-free compressor, which is characterized in that a first opening and a first through hole are respectively formed in the left side and the right side of the lower end of a first cylinder body 11, a first baffle cover 12 is arranged in the lower end of the first cylinder body 11, the first baffle cover 12 is positioned at the first opening side, so that a heat dissipation air duct 17 is formed between the outer side wall of the first baffle cover 12 and the inner side wall of the first cylinder body 11, a mounting cavity is formed between the inner side wall of the first baffle cover 12 and the inner side wall of the first cylinder body 11, a first transmission compression mechanism 14 is arranged in the mounting cavity, a second through hole is formed in the first baffle cover 12, the first through hole and the second through hole are correspondingly arranged, an output shaft at one end of a driving component 30 sequentially penetrates through the first through hole and the second through hole, a driving end of the first transmission compression mechanism 14, a first sealing bearing 13 and a second sealing bearing 16 are respectively sleeved on the output shaft at one end of the driving component 30, the first sealing bearing 13 and the second sealing bearing 16 are positioned at the first through hole, and the second sealing bearing 16 are positioned at the second through hole, and a first transmission compression mechanism 14 is formed between the inner side wall of the first baffle cover 12, the first sealing bearing 13 and the first sealing bearing 16 and a compression mechanism 16; by forming the air inlet sealing chamber A, even if the first transmission compression mechanism 14 runs at a high speed during operation, the outgoing noise can be greatly reduced due to the formation of the air inlet sealing chamber A; and the output shaft at one end of the driving component 30 is provided with the first fan blade 15, so that even if the first transmission compression mechanism 14 runs at a high speed in the air inlet sealing cavity A to generate heat and the driving component 30 generates heat after being electrified, the heat dissipation performance of the device can be improved due to the arrangement of the first fan blade 15 and the heat dissipation air duct 17. Therefore, the invention solves the defects of relatively large noise and poor heat dissipation of the existing oil-free air compressor during working.
Referring to fig. 3 to 5, alternatively, the first cover 12 and the first cylinder 11 are integrally cast.
Referring to fig. 6, alternatively, the first blocking cover 12 is detachably disposed inside the lower end of the first cylinder 11, and a second sealing ring is disposed at the connection between the first blocking cover 12 and the first cylinder 11.
The first blocking cover 12 is detachably arranged in the lower end of the first cylinder body 11, and the fixing mode of the first blocking cover can be fastened by a screw or fastened by a buckle or fixed by using an adhesive;
referring to fig. 7 to 8, alternatively, the first cover 12 has an upper portion and a lower portion, the upper portion of the first cover 12 and the first cylinder 11 are integrally cast, the lower portion of the first cover 12 is detachably disposed in the lower end of the first cylinder 11, and a third sealing ring is disposed at the connection between the first cover 12 and the first cylinder 11.
Wherein, the lower part of the first baffle cover 12 is detachably arranged in the lower end of the first cylinder body 11, and the fixing mode can be fastened by a screw or fastened by a buckle or fixed by using glue, and the detachable connection can facilitate the installation; the provision of the second seal ring or the third seal ring can reduce noise generated by the first transmission compression mechanism 14 when in motion from being transmitted outwards.
Referring to fig. 1-2, optionally, the first drive compression mechanism 14 includes a first drive assembly 140 and a first compression assembly 141;
the first transmission assembly 140 is fixedly arranged below the first compression assembly 141, and the transmission end of the first transmission assembly 140 is sleeved on the output shaft at one end of the driving assembly 30;
the first transmission assembly 140 includes a first link assembly 1400, a third sealed bearing 1401, and an eccentric wheel assembly 1402;
the eccentric wheel assembly 1402 is sleeved on an output shaft at one end of the driving assembly 30, the third sealing bearing 1401 is sleeved on the eccentric wheel assembly 1402, the lower end of the first connecting rod assembly 1400 is sleeved on the third sealing bearing 1401 through a mounting port, the eccentric wheel assembly 1402 is arranged at the left side or the right side of the first connecting rod assembly 1400, the upper end of the first connecting rod assembly 1400 is fixedly connected with the first piston 1411 of the first compression assembly 141, and an air inlet sealing chamber A is formed among the inner side wall of the first cylinder body 11, the inner side wall of the first baffle cover 12, the first sealing bearing 13, the first connecting rod assembly 1400 and the second sealing bearing 16;
the first compression assembly 141 further includes a first valve plate assembly 1410;
the first valve plate assembly 1410 is fixedly arranged at the upper end of the first cylinder body 11, so that an exhaust sealing chamber B is formed between the inner side wall of the first cylinder body 11 and the upper end face of the first valve plate assembly 1410, the first piston 1411 is detachably arranged at the upper end of the first connecting rod assembly 1400, the first piston 1411 is arranged below the first valve plate assembly 1410, so that a sealing chamber C is formed among the inner side wall of the first cylinder body 11, the lower end face of the first valve plate assembly 1410 and the first piston 1411, a first exhaust port is formed in the upper end face of the first valve plate assembly 1410, and a penetrating second air inlet is formed in the upper ends of the first piston 1411 and the first connecting rod assembly 1400.
When the air compressor works, the output shaft at one end of the driving component 30 drives the eccentric wheel component 1402 to rotate, the first connecting rod component 1400 reciprocates up and down due to the eccentric action of the eccentric wheel component 1402, when the first connecting rod component 1400 moves to the bottom dead center, the volume of the sealing chamber C increases, negative pressure is generated in the sealing chamber C, at the moment, the air enters the sealing chamber A to start to suck air due to air pressure difference, the air enters the sealing chamber C through the second air inlet, when the first connecting rod component 1400 moves to the top dead center, the volume of the sealing chamber C decreases, positive pressure is generated in the sealing chamber C, at the moment, the sealing chamber C starts to exhaust due to air pressure difference, the air enters the exhaust sealing chamber B through the first air outlet, and finally the air compressor is exhausted.
Referring to fig. 9 to 11, alternatively, an inverted-L-shaped slot is provided above the mounting port of the first link assembly 1400, the inverted-L-shaped slot is communicated with the mounting port, a first screw mounting hole is provided at a side of the first link assembly 1400, the first screw mounting hole is vertically disposed with the inverted-L-shaped slot at the communication end of the mounting port, and the first screw mounting hole is communicated with the inverted-L-shaped slot, and an eccentric wheel assembly 1402 is sleeved on the third sealing bearing 1401 and is fixed on the first screw mounting hole by screwing a screw to fix the third sealing bearing 1401.
In the installation, the screws are loosened first, the third sealing bearing 1401 is installed in the installation hole, and then the screws are tightened, so that the installation between the third sealing bearing 1401 and the installation hole is simple.
Referring to fig. 12 to 13, alternatively, a vertical slot is provided under a mounting port of the first link assembly 1400, the vertical slot is communicated with the mounting port, a side surface of the first link assembly 1400 is provided with a second screw mounting hole, the second screw mounting hole is vertically disposed with the vertical slot, and the second screw mounting hole is communicated with the vertical slot, and an eccentric wheel assembly 1402 is sleeved on the third sealing bearing 1401 and is screwed and fixed on the second screw mounting hole by a screw to fix the third sealing bearing 1401.
During installation, the screw is loosened first, the third sealing bearing 1401 is installed in the installation hole and then screwed down, the installation between the third sealing bearing 1401 and the installation hole is simple in this way, the installation and the installation are achieved, and the structure is arranged so that the first connecting rod assembly 1400 is prevented from interfering with the inner side wall of the first cylinder body 11 when in up-and-down reciprocating motion during operation, and collision is avoided.
Referring to fig. 14 to 15, alternatively, the eccentric wheel assembly 1402 is mounted on the third sealing bearing 1401 through a mounting port by hot or cold mounting between the eccentric wheel assembly 1402 and the third sealing bearing 1401.
Wherein, the third sealing bearing 1401 is firstly installed in the installation opening of the eccentric wheel assembly 1402 in a hot-loading or cold-loading mode, thus being convenient for assembly and installation during assembly.
Referring to fig. 1, optionally, a third screw mounting hole perpendicular to the output shaft at one end of the driving assembly 30 is provided on the eccentric wheel assembly 1402, and the eccentric wheel assembly 1402 is sleeved on the output shaft at one end of the driving assembly 30 and is screwed and fixed on the third screw mounting hole by a screw to fasten the eccentric wheel assembly 1402 on the driving assembly 30, and the axis of the third screw mounting hole is coaxial with the axis of the second air inlet.
Wherein, the coaxial setting of axis of third screw mounting hole and the axis of second air inlet is convenient for screwdriver instrument pass through the second air inlet and lock the screw on eccentric wheel subassembly 1402, the operation of being convenient for.
Referring to fig. 1, optionally, a fifth seal ring is provided at the connection between the first piston 1411 and the first link assembly 1400.
Wherein the arrangement of the fifth sealing ring enhances the tightness between the first piston 1411 and the first link assembly 1400, preventing the sealing chamber C from entering the air inlet sealing chamber a.
Referring to fig. 1, optionally, a positioning step is provided on a side surface of the eccentric wheel assembly 1402, and the positioning step is disposed corresponding to the second through hole.
The positioning step can enable the output shaft at one end of the driving assembly 30 to directly pass through the eccentric wheel hole of the eccentric wheel assembly 1402, so that interference during assembly or manual shaft threading and positioning of the eccentric wheel assembly 1402 during assembly are avoided.
Referring to fig. 1, alternatively, the output shaft at one end of the driving assembly 30 includes a first output shaft and a second output shaft, one end of the first output shaft is provided with an external thread, one end of the second output shaft is provided with an internal thread, the first output shaft and the second output shaft are screwed on the internal thread through the external thread to be fixedly connected, the transmission end of the first transmission assembly 140 is sleeved on the second output shaft, the second output shaft passes through the first through hole, the first output shaft passes through the second through hole, and the connection part of the first output shaft and the second output shaft is located in the installation cavity.
Here, a description will be given of a mounting process of the first output shaft and the second output shaft:
step one, vertically placing a first output shaft on a press platform, pressing down a press ram, assembling a second sealing bearing 16 on the first output shaft, smearing thread locking glue on an external thread of the first output shaft, and then coaxially arranging the second sealing bearing 16 in the assembled assembly of the first output shaft and the second sealing bearing 16 with a first sealing bearing 13 on a second output shaft part which is vertically provided with a first connecting rod assembly 1400, a third sealing bearing 1401 and an eccentric wheel assembly 1402;
Step two, sleeving a special tool on the first output shaft, abutting and flushing the lower end surface of the tool with the second sealing bearing 16, and tapping the upper end surface of the tool by using a nylon hammer to drive the first output shaft to move downwards until the outer threaded end surface of the first output shaft is flush with the end surface of the second output shaft;
and thirdly, screwing a special tool by using a hexagonal wrench, so that the external thread of the first output shaft is screwed into the internal thread of the second output shaft until the first output shaft is screwed.
The assembly method is simple to operate, and the inner ring and the outer ring of the second sealing bearing 16 are not relatively misplaced all the time in the assembly process, so that assembly damage is not caused, and meanwhile, the assembly method is simple in tool, simple and convenient to operate, and screw locking glue is coated to prevent the first output shaft and the second output shaft from loosening during high-speed rotation.
Referring to fig. 1 to 2, the new intake mute air oil-free compressor may optionally further include an intake connection pipe 40 and an exhaust connection pipe 50,
the first transmission compression working assembly 10 and the second transmission compression working assembly 20 are respectively provided with an air inlet passage and an air outlet passage, the air inlet passages are communicated with air inlet sealing cavities A corresponding to the air inlet passages, the air outlet passages are communicated with air outlet sealing cavities B corresponding to the air outlet passages, the first transmission compression working assembly 10 and the second transmission compression working assembly 20 are arranged on the air inlet passages through air inlet connecting pipes 40, and the first transmission compression working assembly 10 and the second transmission compression working assembly 20 are arranged on the air outlet passages through air outlet connecting pipes 50.
When the air compressor works, the output shaft at one end of the driving component 30 drives the eccentric wheel component 1402 to rotate, the first connecting rod component 1400 reciprocates up and down due to the eccentric action of the eccentric wheel component 1402, when the first connecting rod component 1400 moves to the bottom dead center, the volume of the sealing chamber C increases, negative pressure is generated inside the sealing chamber C, at this time, the air enters the air inlet sealing chamber a from the air inlet connecting pipe 40 due to air pressure difference, the air enters the sealing chamber C through the second air inlet, the volume of the sealing chamber C decreases when the first connecting rod component 1400 moves to the top dead center, positive pressure is generated inside the sealing chamber C, at this time, the sealing chamber C starts to exhaust due to air pressure difference, the air enters the air exhaust sealing chamber B through the first air outlet, and finally the air compressor is exhausted through the air exhaust connecting pipe 50.
Referring to fig. 22, alternatively, the intake connection pipe 40 and the exhaust connection pipe 50 are identical in structure;
the air intake connecting pipe 40 includes a linear air intake connecting pipe 41 and a three-way air intake connecting pipe 42, the inner diameter size of one end of the linear air intake connecting pipe 41 is smaller than the inner diameter size of the other end of the linear air intake connecting pipe 41, one end of the linear air intake connecting pipe 41 is detachably arranged on the air intake passage of the first transmission compression working assembly 10, one pipeline in the three-way air intake connecting pipe 42 is inserted at the other end of the linear air intake connecting pipe 41, one pipeline in the three-way air intake connecting pipe 42 axially slides along the other end of the linear air intake connecting pipe 41 and rotates around the axis of the three-way air intake connecting pipe 42, and the other pipeline in the three-way air intake connecting pipe 42 which is oppositely arranged with the one pipeline in the three-way air intake connecting pipe 42 is detachably arranged on the air intake passage of the second transmission compression working assembly 20.
The air inlet connecting pipe 40 and the air outlet connecting pipe 50 are changed into two-section structures, and the linear air inlet connecting pipe 41 and the three-way air inlet connecting pipe 42 can axially slide and rotate around their axes, so that the air inlet connecting pipe is of a telescopic structure, the arrangement is convenient for assembly, and the requirements of different users of the same type are slightly different, so that the condition that the lengths of motors in the air compressors are different is applicable.
Further, the first and second driving compression working assemblies 10 and 20 are screwed on the threaded holes on the air inlet passage through the external threads on the air inlet connecting pipe 40, and then are mounted on the air inlet passage, and the first and second driving compression working assemblies 10 and 20 are screwed on the threaded holes on the air outlet passage through the external threads on the air outlet connecting pipe 50, and then are mounted on the air outlet passage.
Referring to fig. 22, a seventh sealing ring is optionally provided between the other end of the linear air intake connection pipe 41 and one of the three-way air intake connection pipes 42.
Wherein the seventh sealing ring is provided for increasing the tightness between the other end of the linear type air inlet connection pipe 41 and one of the three-way type air inlet connection pipes 42.
Referring to fig. 1, alternatively, the first cylinder 11 includes an upper cylinder 110, a lower housing 111, and a cylinder 112;
the lower extreme of cylinder 112 is fixed to be set up in the upper end of lower casing 111, and the lower extreme of cylinder 112 is equipped with fourth sealing washer groove, is equipped with the fourth sealing washer on the fourth sealing washer groove, and the fourth sealing washer is located the junction of cylinder 112 and lower casing 111, and upper cylinder body 110 sets up in the upper end of cylinder 112.
Wherein, the arrangement of the fourth sealing ring can reduce the noise generated by the first transmission compression mechanism 14 during movement from being transmitted outwards.
Optionally, the fourth sealing ring is an O-ring.
Wherein, the O-shaped ring can reduce the noise generated by the first transmission compression mechanism 14 during movement from spreading outwards, and has stronger sealing performance and noise isolation effect.
Referring to fig. 22, alternatively, a plurality of first heat dissipating ribs are provided on an outer sidewall of the cylinder 112, and the plurality of first heat dissipating ribs are radially distributed along the outer sidewall of the cylinder 112.
The arrangement of the plurality of first heat dissipation ribs can increase the heat dissipation effect and reduce the temperature of the cylinder 112, so that the preheating degree of the air inlet is reduced, the expansion amount of the air inlet after preheating is reduced, and higher volumetric efficiency is maintained; the first cooling rib distribution mode can rapidly cool heat generated by the piston in the process of compressing air, and service life is prolonged.
Referring to fig. 2, alternatively, a plurality of second heat dissipating ribs are vertically and uniformly distributed on the top end surface of the upper cylinder 110.
The arrangement of the second heat dissipation ribs can increase the heat dissipation effect and reduce the temperature of the upper cylinder 110, so that the preheating degree of the air inlet is reduced, the expansion amount of the air inlet after preheating is reduced, and higher volumetric efficiency is maintained.
Referring to fig. 1 and 19 to 20, optionally, an output shaft end of one end of the driving assembly 30 is provided with a first fan blade 15, and the first fan blade 15 is located at a first opening on the outer side of the first blocking cover 12, or is located near the first sealing bearing 13, and the first fan blade 15 is located between the lower housing 111 and the driving assembly 30.
The first transmission compression mechanism 14 runs at a high speed in the air inlet sealing chamber A to generate heat, and the heat dissipation performance of the device can be improved due to the arrangement of the first fan blades 15.
The motion components such as the piston and the eccentric wheel in the first transmission compression working assembly 10 and the second transmission compression working assembly 20 are sealed in a cavity through parts such as a body related structural part (a lower shell, an upper cylinder body and a driving assembly 30 in the first transmission compression working assembly 10 and the second transmission compression working assembly 20), a sealing ring (a second sealing ring, a third sealing ring, a fourth sealing ring, a fifth sealing ring and a seventh sealing ring), a bearing (a first sealing bearing 13, a second sealing bearing 16 and a third sealing bearing 1401), and the like, so that noise generated during the working of the motion components is difficult to spread outwards, and the noise reduction purpose is achieved.
In summary, the invention provides a new internal air intake mute air oil-free compressor, through the left and right sides of the lower end of a first cylinder 11 are respectively provided with a first opening and a first through hole, a first baffle cover 12 is arranged in the lower end of the first cylinder 11, the first baffle cover 12 is positioned at the first opening side, so that a heat dissipation air duct 17 is formed between the outer side wall of the first baffle cover 12 and the inner side wall of the first cylinder 11, a mounting cavity is formed between the inner side wall of the first baffle cover 12 and the inner side wall of the first cylinder 11, a first transmission compression mechanism 14 is arranged in the mounting cavity, a second through hole is arranged on the first baffle cover 12, the first through hole and the second through hole are correspondingly arranged, an output shaft at one end of a driving component 30 sequentially passes through the first through hole and the second through hole, the output shaft at one end of the driving component 30 is respectively sleeved with a first transmission compression mechanism 14, a first sealing bearing 13 and a second sealing bearing 16, the first sealing bearing 13 is positioned at the first through hole, the second sealing bearing 16 is positioned at the second through hole, and the inner side wall of the first baffle cover 12, the first sealing bearing 13 and the first sealing bearing 16 is positioned at the second through hole, and the first transmission compression mechanism 14 and the first sealing bearing 16 is positioned between the inner side wall of the first sealing mechanism and the first sealing bearing 16 and the first transmission compression mechanism A. By forming the air inlet sealing chamber A, even if the first transmission compression mechanism 14 runs at a high speed during operation, the outgoing noise can be greatly reduced due to the formation of the air inlet sealing chamber A; and the output shaft at one end of the driving component 30 is provided with the first fan blade 15, so that even if the first transmission compression mechanism 14 runs at a high speed in the air inlet sealing cavity A to generate heat and the driving component 30 generates heat after being electrified, the heat dissipation performance of the device can be improved due to the arrangement of the first fan blade 15 and the heat dissipation air duct 17. Therefore, the invention solves the defects of relatively large noise and poor heat dissipation of the existing oil-free air compressor during working.
It should be noted that not all the steps and modules in the above flowcharts and the system configuration diagrams are necessary, and some steps or modules may be omitted according to actual needs. The execution sequence of the steps is not fixed and can be adjusted as required. The system structure described in the above embodiments may be a physical structure or a logical structure, that is, some modules may be implemented by the same physical entity, or some modules may be implemented by multiple physical entities, or may be implemented jointly by some components in multiple independent devices.
In the above embodiments, the hardware module may be mechanically or electrically implemented. For example, a hardware module may include permanently dedicated circuitry or logic (e.g., a dedicated processor, FPGA, or AS ic) to perform the corresponding operations. The hardware modules may also include programmable logic or circuitry (e.g., a general-purpose processor or other programmable processor) that may be temporarily configured by software to perform the corresponding operations. The particular implementation (mechanical, or dedicated permanent, or temporarily set) may be determined based on cost and time considerations.
While the invention has been illustrated and described in detail in the drawings and in the preferred embodiments, the invention is not limited to the disclosed embodiments, and it will be appreciated by those skilled in the art that the code audits of the various embodiments described above may be combined to produce further embodiments of the invention, which are also within the scope of the invention.
Claims (18)
1. A new intake mute air oil-free compressor, comprising: a first transmission compression working assembly (10), a second transmission compression working assembly (20) and a drive assembly (30);
the driving assembly (30) is fixedly arranged between the first transmission compression working assembly (10) and the second transmission compression working assembly (20), output shafts at two ends of the driving assembly (30) are respectively inserted into the first transmission compression working assembly (10) and the second transmission compression working assembly (20), and the first transmission compression working assembly (10) and the second transmission compression working assembly (20) are symmetrically arranged and have the same structure;
the first transmission compression working assembly (10) comprises a first cylinder body (11), a first baffle cover (12), a first sealing bearing (13), a first transmission compression mechanism (14), a first fan blade (15) and a second sealing bearing (16);
The left and right sides of the lower end of the first cylinder body (11) are respectively provided with a first opening and a first through hole, the first baffle cover (12) is arranged in the lower end of the first cylinder body (11), the first baffle cover (12) is positioned on the first opening side, so that a heat dissipation air channel (17) is formed between the outer side wall of the first baffle cover (12) and the inner side wall of the first cylinder body (11), a mounting cavity is formed between the inner side wall of the first baffle cover (12) and the inner side wall of the first cylinder body (11), the first transmission compression mechanism (14) is arranged in the mounting cavity, the first baffle cover (12) is provided with a second through hole, the first through hole and the second through hole are mutually correspondingly arranged, an output shaft at one end of the driving component (30) sequentially penetrates through the first through hole and the second through hole, the output shaft at one end of the driving component (30) is respectively sleeved with the first transmission compression mechanism (14), the first bearing (16) and the first bearing (16), the first bearing (16) and the first sealing chamber (16) are respectively formed between the first transmission compression mechanism (14) and the first bearing (16) and the first sealing chamber (16), the first bearing (16) and the first sealing chamber (16) are formed between the first bearing (16) and the first sealing chamber (16), an output shaft at one end of the driving assembly (30) is provided with the first fan blade (15);
The first transmission compression mechanism (14) comprises a first transmission assembly (140) and a first compression assembly (141);
the first transmission assembly (140) is fixedly arranged below the first compression assembly (141), and a transmission end of the first transmission assembly (140) is sleeved on an output shaft at one end of the driving assembly (30);
the first transmission assembly (140) comprises a first link assembly (1400), a third sealed bearing (1401) and an eccentric assembly (1402);
the eccentric wheel assembly (1402) is sleeved on an output shaft at one end of the driving assembly (30), the third sealing bearing (1401) is sleeved on the eccentric wheel assembly (1402), the lower end of the first connecting rod assembly (1400) is sleeved on the third sealing bearing (1401) through a mounting port, the eccentric wheel assembly (1402) is arranged on the left side or the right side of the first connecting rod assembly (1400), the upper end of the first connecting rod assembly (1400) is fixedly connected with a first piston (1411) of the first compression assembly (141), and an inlet sealing chamber A is formed between the inner side wall of the first cylinder body (11), the inner side wall of the first baffle cover (12) and the first sealing bearing (13), and between the first connecting rod assembly (1400) and the second sealing bearing (16);
The first compression assembly (141) further includes a first valve plate assembly (1410);
the first valve plate assembly (1410) is fixedly arranged at the upper end of the first cylinder body (11), so that an exhaust sealing cavity B is formed between the inner side wall of the first cylinder body (11) and the upper end face of the first valve plate assembly (1410), the first piston (1411) is detachably arranged at the upper end of the first connecting rod assembly (1400), the first piston (1411) is arranged below the first valve plate assembly (1410) so that a sealing cavity C is formed among the inner side wall of the first cylinder body (11), the lower end face of the first valve plate assembly (1410) and the first piston (1411), a first exhaust port is formed in the upper end face of the first valve plate assembly (1410), and a second through air inlet is formed in the upper ends of the first piston (1411) and the first connecting rod assembly (1400);
the novel sealing device is characterized in that an inverted L-shaped cutting groove is formed in the upper portion of the mounting opening of the first connecting rod assembly (1400), the inverted L-shaped cutting groove is communicated with the mounting opening, a first screw mounting hole is formed in the side face of the first connecting rod assembly (1400), the first screw mounting hole is perpendicular to the inverted L-shaped cutting groove at the communication end of the mounting opening, the first screw mounting hole is communicated with the inverted L-shaped cutting groove, and the eccentric wheel assembly (1402) is sleeved on the third sealing bearing (1401) and is fixed on the first screw mounting hole through screw screwing so as to fix the third sealing bearing (1401).
2. A new intake mute air oil free compressor as claimed in claim 1 wherein said first baffle cap (12) is integrally cast with said first cylinder (11).
3. A new internal air intake mute air oil-free compressor as claimed in claim 1, wherein the first baffle cover (12) is detachably arranged in the lower end of the first cylinder body (11), and a second sealing ring is arranged at the joint between the first baffle cover (12) and the first cylinder body (11).
4. A new internal intake mute air oil-free compressor as claimed in claim 1, wherein the first baffle cover (12) has an upper portion and a lower portion, the upper portion of the first baffle cover (12) and the first cylinder (11) are integrally cast, the lower portion of the first baffle cover (12) is detachably arranged in the lower end of the first cylinder (11), and a third sealing ring is arranged at the joint between the first baffle cover (12) and the first cylinder (11).
5. A new inside intake mute air oil free compressor as claimed in claim 1 wherein a vertical slot is provided below said mounting port of said first link assembly (1400), said vertical slot is in communication with said mounting port, a second screw mounting hole is provided on a side of said first link assembly (1400), said second screw mounting hole is vertically provided with said vertical slot, and said second screw mounting hole is in communication with said vertical slot, said eccentric wheel assembly (1402) is sleeved on said third seal bearing (1401) and screwed onto said second screw mounting hole by a screw to fix said third seal bearing (1401).
6. A new air intake mute air oil free compressor as claimed in claim 1 wherein said eccentric wheel assembly (1402) is hot or cold fitted between said eccentric wheel assembly (1402) and said third seal bearing (1401) and said eccentric wheel assembly (1402) is fitted over said third seal bearing (1401) through said mounting opening.
7. A new air intake mute air oil-free compressor as claimed in claim 1, wherein a third screw mounting hole is formed in the eccentric wheel assembly (1402) and perpendicular to the output shaft at one end of the driving assembly (30), the eccentric wheel assembly (1402) is sleeved on the output shaft at one end of the driving assembly (30) and screwed and fixed on the third screw mounting hole by screws so as to fix the eccentric wheel assembly (1402) on the driving assembly (30), and the axis of the third screw mounting hole is coaxial with the axis of the second air intake.
8. A new intake mute air oil free compressor as claimed in claim 1 wherein a fifth sealing ring is provided at the junction between said first piston (1411) and said first link assembly (1400).
9. A new air intake mute air oil free compressor as claimed in claim 1 wherein said eccentric wheel assembly (1402) is provided with a locating step on a side thereof, said locating step being disposed in correspondence with said second through hole.
10. A new internal air intake mute air oil-free compressor as claimed in claim 1, wherein the output shaft at one end of the driving component (30) comprises a first output shaft and a second output shaft, one end of the first output shaft is provided with external threads, one end of the second output shaft is provided with internal threads, the first output shaft and the second output shaft are screwed on the internal threads through the external threads to be fixedly connected, the driving end of the first driving component (140) is sleeved on the second output shaft, the second output shaft passes through the first through hole, the first output shaft passes through the second through hole, and the joint of the first output shaft and the second output shaft is positioned in the mounting cavity.
11. A new air intake mute air oil free compressor as claimed in claim 1, further comprising an intake connecting pipe (40) and an exhaust connecting pipe (50),
The first transmission compression work assembly (10) and the second transmission compression work assembly (20) are respectively provided with an air inlet passage and an air outlet passage, the air inlet passages are communicated with the air inlet sealing chamber A corresponding to the air inlet passages, the air outlet passages are communicated with the air outlet sealing chamber B corresponding to the air outlet passages, the first transmission compression work assembly (10) and the second transmission compression work assembly (20) are installed on the air inlet passages through air inlet connecting pipes (40), and the first transmission compression work assembly (10) and the second transmission compression work assembly (20) are installed on the air outlet passages through air outlet connecting pipes (50).
12. -a new intake mute air oil-free compressor according to claim 11, characterized in that said intake connection pipe (40) and said exhaust connection pipe (50) are of the same structure;
the air inlet connecting pipe (40) comprises a linear air inlet connecting pipe (41) and a three-way air inlet connecting pipe (42), the inner diameter of one end of the linear air inlet connecting pipe (41) is smaller than that of the other end of the linear air inlet connecting pipe (41), one end of the linear air inlet connecting pipe (41) is detachably arranged on an air inlet passage of the first transmission compression working assembly (10), one pipeline in the three-way air inlet connecting pipe (42) is inserted into the other end of the linear air inlet connecting pipe (41), one pipeline in the three-way air inlet connecting pipe (42) axially slides along the other end of the linear air inlet connecting pipe (41) and rotates around the axis of the pipeline, and the other pipeline in the three-way air inlet connecting pipe (42) is detachably arranged on the air inlet passage of the second transmission compression working assembly (20) and is arranged opposite to the one pipeline in the three-way air inlet connecting pipe (42).
13. A new intake mute air oil-free compressor as claimed in claim 12, wherein a seventh sealing ring is provided between the other end of the linear intake connecting pipe (41) and one of the three-way intake connecting pipes (42).
14. A new intake mute air oil-free compressor as claimed in claim 1, wherein said first cylinder (11) comprises an upper cylinder (110), a lower housing (111) and a cylinder (112);
the lower extreme of cylinder (112) is fixed to be set up the upper end of lower casing (111), the lower extreme of cylinder (112) is equipped with fourth sealing washer groove, be equipped with the fourth sealing washer on the fourth sealing washer groove, just the fourth sealing washer is located cylinder (112) with the junction of lower casing (111), last cylinder body (110) set up the upper end of cylinder (112).
15. A new intake mute air oil free compressor as claimed in claim 14 wherein said fourth seal is an O-ring.
16. A new air intake mute air oil-free compressor as claimed in claim 14, wherein a plurality of first heat dissipating ribs are provided on the outer side wall of the cylinder (112), and a plurality of the first heat dissipating ribs are distributed radially along the outer side wall of the cylinder (112).
17. The fresh air intake mute air oil-free compressor as claimed in claim 14, wherein a plurality of second heat dissipating ribs are vertically and uniformly distributed on the top end surface of the upper cylinder (110).
18. A new air intake mute air oil-free compressor as claimed in claim 14, wherein the output shaft end of one end of the driving component (30) is provided with the first fan blade (15), the first fan blade (15) is located at the first opening outside the first blocking cover (12), or the first fan blade (15) is provided near the first sealing bearing (13), and the first fan blade (15) is located between the lower casing (111) and the driving component (30).
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| CN202310977810 | 2023-08-04 | ||
| CN2023109778101 | 2023-08-04 |
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| CN117345579A (en) | 2024-01-05 |
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