CN111120254A - Piston type air compressor - Google Patents
Piston type air compressor Download PDFInfo
- Publication number
- CN111120254A CN111120254A CN202010064182.4A CN202010064182A CN111120254A CN 111120254 A CN111120254 A CN 111120254A CN 202010064182 A CN202010064182 A CN 202010064182A CN 111120254 A CN111120254 A CN 111120254A
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- CN
- China
- Prior art keywords
- piston
- air compressor
- motor
- air
- boss
- 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.)
- Pending
Links
- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims abstract description 25
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 5
- 230000007123 defense Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000251729 Elasmobranchii Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
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
- 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
- F04B39/0005—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 adaptations of pistons
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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
- F04B39/0005—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 adaptations of pistons
- F04B39/0016—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 adaptations of pistons with valve arranged in the piston
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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
-
- 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
- F04B39/10—Adaptations or arrangements of distribution members
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
本发明涉及空气压缩机技术领域，具体涉及一种活塞式的空气压缩机。它由驱动组件和与驱动组件连接的空气压缩组件组成，在驱动组件的前端设有电机端盖、在空气压缩组件后端设有泵体后盖，在电机端盖和泵体后盖之间设有一体式空压机外壳；所述的驱动组件包括电机和电机主轴，所述的电机主轴上设有连接空气压缩组件的凸台，所述的凸台上设有滚动轴承；所述的空气压缩组件包括多个活塞单元体，所述的活塞单元体包括气缸、在气缸内往复运动的活塞、与活塞连接并支配活塞运动的连杆，所述的连杆套接在凸台上的滚动轴承，所述连杆和凸台上的滚动轴承一一对应。本发明使得空压机运行更平稳，噪音更低，使用更安全。
The invention relates to the technical field of air compressors, in particular to a piston-type air compressor. It consists of a drive assembly and an air compression assembly connected to the drive assembly. The front end of the drive assembly is provided with a motor end cover, the rear end of the air compression assembly is provided with a back cover of the pump body, and between the end cover of the motor and the back cover of the pump body An integrated air compressor casing is provided; the drive assembly includes a motor and a motor main shaft, the motor main shaft is provided with a boss connected to the air compression assembly, and the boss is provided with a rolling bearing; the air The compression assembly includes a plurality of piston unit bodies, the piston unit body includes a cylinder, a piston reciprocating in the cylinder, a connecting rod connected with the piston and controlling the movement of the piston, and a rolling bearing sleeved on the boss of the connecting rod , the connecting rod and the rolling bearing on the boss are in one-to-one correspondence. The invention makes the air compressor run more smoothly, with lower noise and safer use.
Description
Technical Field
The invention relates to the technical field of air compressors, in particular to a piston type air compressor.
Background
The compressor is a machine for compressing gas to increase gas pressure or conveying gas, and is widely applied. Compressors are one of the essential key devices in mining, metallurgy, machine manufacturing, civil engineering, petrochemical, refrigeration and gas separation, and defense industries. In addition, there is an increasing demand in medical, textile, food, agricultural, traffic, etc. sectors. Compressors are widely known as "general purpose machines" for their purposes. The compressor compresses air to drive various pneumatic machines and pneumatic tools, the exhaust pressure of the compressor is 0.7-1.2 MPa, and the compressor is used for controlling instruments and automation devices thereof; braking of the vehicle and opening and closing of doors and windows; stirring in the pharmaceutical industry and the brewing industry; blowing weft sand in an air jet loom; starting a large or medium diesel engine; high-pressure blasting coal mining; the launching of some weapons in the defense industry, the sinking and floating of submarines, the shooting and driving of torpedoes, the salvage of sunken ships and the like. The piston type air compressor has wide applicable pressure range, high heat efficiency and less unit power consumption, and the traditional piston type air compressor has separated motor spindle and air compressing driving assembly and separated casing, so that the whole air compressor has great volume, great noise and great vibration and is limited for special application.
Disclosure of Invention
In order to overcome the technical defects, the invention provides the piston type air compressor which is stable in operation and low in noise.
In order to solve the technical problems, the technical scheme of the invention is as follows: a piston type air compressor comprises a driving assembly and an air compression assembly connected with the driving assembly, wherein a motor end cover is arranged at the front end of the driving assembly, a pump body rear cover is arranged at the rear end of the air compression assembly, and an integrated air compressor shell is arranged between the motor end cover and the pump body rear cover; the driving assembly comprises a motor and a motor spindle, a boss connected with the air compression assembly is arranged on the motor spindle, and a rolling bearing is arranged on the boss; the air compression assembly comprises a plurality of piston unit bodies, each piston unit body comprises an air cylinder, a piston and a connecting rod, the piston reciprocates in the air cylinder, the connecting rod is connected with the piston and controls the piston to move, the connecting rod is sleeved on a rolling bearing on the boss, and the connecting rods and the rolling bearings on the boss are in one-to-one correspondence; the piston on be equipped with the piston check valve, the cylinder top be equipped with the gas vent, be equipped with the exhaust check valve on the gas vent, the air compressor machine shell on be equipped with the air compressor machine gas outlet that is linked together with the gas vent, still be equipped with the air compressor machine air inlet corresponding with the air compressor machine gas outlet on the air compressor machine shell.
Further: in the piston type air compressor, the air compressor shell is of a two-cavity structure, one cavity is provided with the motor, and the other cavity is provided with the air compression assembly. The arrangement form among the piston units is any one of V-shaped arrangement, linear arrangement or linear opposite arrangement. The motor comprises a motor rotor sleeved on a motor spindle, and a motor stator is assembled between the motor rotor and the shell of the air compressor in an interference manner. The motor rotor is fixed on the excircle of the mounting end of the motor spindle in a flat key connection mode. And rolling bearings for supporting the motor spindle are arranged on the air compressor shell and the pump body rear cover. And the rolling bearing on the boss is provided with a shaft retainer ring for preventing the rolling bearing from axially moving. And a compression spring is arranged on the exhaust one-way valve. The upper part of the connecting rod is provided with a pin hole, the middle part of the piston is provided with a pin hole, and the connecting rod pin hole and the piston pin hole are assembled together by using a pin shaft as a hinge shaft chain to form a hinge moving mechanism.
Compared with the prior art, the piston type air compressor is composed of a driving assembly and an air compression assembly connected with the driving assembly, wherein a motor end cover is arranged at the front end of the driving assembly, a pump body rear cover is arranged at the rear end of the air compression assembly, and an integrated air compressor shell is arranged between the motor end cover and the pump body rear cover; the driving assembly comprises a motor and a motor spindle, a boss connected with the air compression assembly is arranged on the motor spindle, and a rolling bearing is arranged on the boss; the air compression assembly comprises a plurality of piston unit bodies, each piston unit body comprises an air cylinder, a piston and a connecting rod, the piston reciprocates in the air cylinder, the connecting rod is connected with the piston and controls the piston to move, the connecting rod is sleeved on a rolling bearing on the boss, and the connecting rods and the rolling bearings on the boss are in one-to-one correspondence; the piston on be equipped with the piston check valve, the cylinder top be equipped with the gas vent, be equipped with the exhaust check valve on the gas vent, the air compressor machine shell on be equipped with the air compressor machine gas outlet that is linked together with the gas vent, still be equipped with the air compressor machine air inlet corresponding with the air compressor machine gas outlet on the air compressor machine shell. The motor spindle of the invention also plays a role of driving the air compression component to work the eccentric wheel by the traditional piston type air compressor, namely the traditional air compressor is the motor spindle plus the eccentric wheel, but only needs the motor spindle at present, the motor spindle is used as the motor spindle and also used as the eccentric motion transmission shaft of the cylinder motion, and the air pressure shell is also an integrated shell.
Drawings
FIG. 1 is a transverse cross-sectional view of a piston air compressor of the present invention;
wherein: 1 motor end cover, 2 pump body rear cover, 3 air compressor shell, 4 motor main shafts, 5 bosses, 6 rolling bearings, 7 cylinders, 8 pistons, 9 connecting rods, 10 piston check valves, 11 exhaust check valves, 12 air compressor air outlets, 13 air compressor air inlets, 14 motor rotors, 15 motor stators, 16 parallel keys, 17 shaft retainer rings, 18 compression springs and 19 shaft pins.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.
In this embodiment: referring to fig. 1, a piston type air compressor is composed of a driving assembly and an air compression assembly connected with the driving assembly, wherein a motor end cover 1 is arranged at the front end of the driving assembly, a pump body rear cover 2 is arranged at the rear end of the air compression assembly, and an integrated air compressor shell 3 is arranged between the motor end cover and the pump body rear cover; the driving assembly comprises a motor and a motor spindle 4, a boss 5 connected with the air compression assembly is arranged on the motor spindle, and a rolling bearing 6 is arranged on the boss; the air compression assembly comprises a plurality of piston unit bodies, each piston unit body comprises a cylinder 7, a piston 8 and a connecting rod 9, the piston 8 reciprocates in the cylinder, the connecting rods are connected with the pistons and control the movement of the pistons, the connecting rods are sleeved on rolling bearings on the bosses, and the connecting rods and the rolling bearings on the bosses are in one-to-one correspondence; the piston on be equipped with piston check valve 10, the cylinder top be equipped with the gas vent, be equipped with exhaust check valve 11 on the gas vent, the air compressor machine shell on be equipped with the air compressor machine gas outlet 12 that is linked together with the gas vent, still be equipped with on the air compressor machine shell with the corresponding air compressor machine air inlet 13 of air compressor machine gas outlet. The air compressor shell is of a two-cavity structure, a motor is arranged in one cavity, and an air compression assembly is arranged in the other cavity. The arrangement form among the piston units is any one of V-shaped arrangement, linear arrangement or linear opposite arrangement. The motor comprises a motor rotor 14 sleeved on the motor spindle 4, and a motor stator 15 is assembled between the motor rotor and the shell of the air compressor in an interference fit mode. The motor rotor is fixed on the excircle of the mounting end of the motor spindle in a flat key 16 connection mode. And rolling bearings 6 for supporting the motor spindle are arranged on the air compressor shell and the pump body rear cover. And a shaft retainer ring 17 for preventing the rolling bearing from moving axially is arranged on the rolling bearing on the boss. The exhaust check valve 11 is provided with a compression spring 18. The upper part of the connecting rod is provided with a pin hole, the middle part of the piston is provided with a pin hole, and the connecting rod pin hole and the piston pin hole are assembled together by using a pin shaft 19 as a hinge shaft chain to form a hinge moving mechanism.
In the working process of the piston type air compressor, alternating current is introduced into a coil of a motor stator 15, so that the stator forms an alternating rotating magnetic field, the stator rotating magnetic field drives a rotor to rotate, a motor rotor 14 rotates to drive a motor spindle 4 which is rigidly connected together to rotate simultaneously, and the motor spindle 4 rotates to drive a connecting rod 9 and a piston 8 to do vertical reciprocating linear motion so as to perform inflating action; in the working process of the piston 8, the piston 8 moves from top to bottom, the volume of the inner cavity of the cylinder 7 is increased to form negative pressure, so that the piston check valve 10 installed on the piston 8 is opened due to the action of air pressure, the exhaust check valve 11 is in a closed state due to the action of the compression spring 18, the air is sucked into the inner cavity of the cylinder body with the negative pressure from the air compressor air inlet 13 communicated with the atmosphere of the air compressor shell 3 and then sucked into the inner cavity of the cylinder body through the piston check valve 10, the air suction action is completed, the piston 8 moves from bottom to top, the volume of the inner cavity of the cylinder 7 is reduced, the air pressure is increased, the piston check valve 10 is in a closed state due to the action of the air pressure, the air pressure is greater than the elastic force tightly pressing the spring 18 of the exhaust check valve 11. Therefore, after the motor is electrified, a certain torque and a certain rotating speed can be continuously output to drive the motor mandrel 4 to continuously rotate, so that the piston 8 of the connecting rod 9 continuously reciprocates up and down, and the air compressor can realize continuous inflating work.
It should be understood that the examples are merely for illustrative purposes and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010064182.4A CN111120254A (en) | 2020-01-20 | 2020-01-20 | Piston type air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010064182.4A CN111120254A (en) | 2020-01-20 | 2020-01-20 | Piston type air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111120254A true CN111120254A (en) | 2020-05-08 |
Family
ID=70491742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010064182.4A Pending CN111120254A (en) | 2020-01-20 | 2020-01-20 | Piston type air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111120254A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116446507A (en) * | 2023-04-17 | 2023-07-18 | 深圳市科敏传感器有限公司 | Intelligent flood discharge and drainage device and control system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0861235A (en) * | 1994-08-19 | 1996-03-08 | Tokico Ltd | Reciprocating compressor |
| JPH08338369A (en) * | 1995-06-15 | 1996-12-24 | Kanematsu Nnk Corp | Transportable type compressor device |
| CN1363018A (en) * | 2000-01-29 | 2002-08-07 | 毕彻制冷机有限公司 | Refrigerant compressor |
| CN2864150Y (en) * | 2005-11-11 | 2007-01-31 | 吴勋辉 | Separate eccentric wheel mini-sized air compressor |
| CN103486001A (en) * | 2012-06-12 | 2014-01-01 | 信浓绢糸株式会社 | Drive device |
| CN211666864U (en) * | 2020-01-20 | 2020-10-13 | 肇庆市鲲鹏动力有限公司 | Piston type air compressor |
-
2020
- 2020-01-20 CN CN202010064182.4A patent/CN111120254A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0861235A (en) * | 1994-08-19 | 1996-03-08 | Tokico Ltd | Reciprocating compressor |
| JPH08338369A (en) * | 1995-06-15 | 1996-12-24 | Kanematsu Nnk Corp | Transportable type compressor device |
| CN1363018A (en) * | 2000-01-29 | 2002-08-07 | 毕彻制冷机有限公司 | Refrigerant compressor |
| CN2864150Y (en) * | 2005-11-11 | 2007-01-31 | 吴勋辉 | Separate eccentric wheel mini-sized air compressor |
| CN103486001A (en) * | 2012-06-12 | 2014-01-01 | 信浓绢糸株式会社 | Drive device |
| CN211666864U (en) * | 2020-01-20 | 2020-10-13 | 肇庆市鲲鹏动力有限公司 | Piston type air compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116446507A (en) * | 2023-04-17 | 2023-07-18 | 深圳市科敏传感器有限公司 | Intelligent flood discharge and drainage device and control system |
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