CN110863968B - Double-pump-head air compressor - Google Patents
Double-pump-head air compressor Download PDFInfo
- Publication number
- CN110863968B CN110863968B CN201911273822.6A CN201911273822A CN110863968B CN 110863968 B CN110863968 B CN 110863968B CN 201911273822 A CN201911273822 A CN 201911273822A CN 110863968 B CN110863968 B CN 110863968B
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- cylinders
- stage
- air
- eccentric
- eccentric shaft
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- 230000006835 compression Effects 0.000 claims abstract description 66
- 238000007906 compression Methods 0.000 claims abstract description 66
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F04B35/01—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 mechanical
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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
- F04B25/00—Multi-stage pumps
- F04B25/005—Multi-stage pumps 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
- 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
- F04B39/0094—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 crankshaft
-
- 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
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compressor (AREA)
Abstract
The invention provides a double-pump-head air compressor, and belongs to the technical field of air compressors. The air compressor solves the problem that the flow rate of single output compressed gas of the existing air compressor is not high. The double-pump-head air compressor comprises a box body, wherein a crankshaft is arranged on the box body, two piston compression devices are connected to the crankshaft, each piston compression device comprises a plurality of piston compression structures, each piston compression structure is arranged on the box body and comprises a connecting rod, and the connecting rod is sleeved on the crankshaft. The double-pump-head air compressor has the advantages of being capable of outputting double-flow compressed gas, good in stability and free of vibration.
Description
Technical Field
The invention belongs to the technical field of air compressors, and relates to a double-pump-head air compressor.
Background
An air compressor is a device for compressing a gas. The air compressor is similar in construction to the water pump. Most air compressors are reciprocating piston, rotary vane or rotary screw.
The existing air compressor structure generally comprises a motor, a fan and a box assembly, wherein the box assembly comprises a box body, a crankshaft and a multi-stage compression structure connected to the crankshaft, and compressed air pressure is raised through the multi-stage compression structure. When more compressed gas flow is needed, a plurality of air compressors are needed to output compressed gas at the same time, and the main problems are that: multiple air compressors are provided, and the multiple air compressors occupy large space and are high in cost.
Disclosure of Invention
The invention aims to solve the technical problems and provides a double-pump-head air compressor.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a double pump head air compressor machine, includes a box, be equipped with bent axle, its characterized in that on the box: the crankshaft is connected with two piston compression devices, each piston compression device comprises a plurality of piston compression structures, each piston compression structure is arranged on the box body and comprises a connecting rod, and the connecting rod is sleeved on the crankshaft.
In the above-mentioned two pump head air compressor, the bent axle include two first eccentric parts, two second eccentric parts and main shaft, two first eccentric parts and two second eccentric parts separate the three sections of mutually independent and separate respectively with above-mentioned main shaft, fixed mounting has first eccentric shaft between two first eccentric parts, fixed mounting has the second eccentric shaft between two second eccentric parts, the connecting rod in each piston compression structure of two piston compression devices cup joints respectively on above-mentioned first eccentric shaft and second eccentric shaft.
In the double-pump-head air compressor, the first eccentric shaft and the second eccentric shaft have the same structure, the first eccentric shaft and the second eccentric shaft are respectively positioned on opposite sides of the main shaft, and the distance from the axis of the first eccentric shaft to the axis of the main shaft is equal to the distance from the axis of the second eccentric shaft to the axis of the main shaft.
In the above-mentioned two pump head air compressor, the piston compression device include five piston compression structures that the structure is the same, respectively for have one-level compression structure of one-level jar, have two-level compression structure of second-level jar, have three-level compression structure of tertiary jar, have four-level compression structure of fourth-level jar and five-level compression structure of fifth-level jar, two that is two piston compression device have two one-level jar altogether, two second-level jar, two tertiary jar, two four-level jar and two five-level jar, two one-level jar after the air inlet respectively joins through one-level intake pipe and air compressor air inlet intercommunication, two one-level jar after the air outlet respectively joins through one-level outlet duct and second-level intake pipe intercommunication, two second-level jar after the air inlet respectively joins with above-mentioned second-level intake pipe intercommunication, two three-level jar after the air outlet respectively joins through second-level outlet duct and three-level intake pipe intercommunication, two three-level air inlet pipe after the air inlet respectively joins through three-level outlet duct and four-level air inlet pipe intercommunication, two air outlet pipe five-level after the four-level air inlet respectively joins through two-level air outlet duct five-level after the air outlet pipe respectively joins through two-level air outlet pipe five-level air inlet respectively.
In the above-mentioned double-pump-head air compressor, five sleeve grooves are arranged on the first eccentric shaft.
Compared with the prior art, the double-pump-head air compressor has the following advantages:
1. the double-pump-head air compressor combines two air compressor structures to share the same box structure, both sets of piston compression devices are arranged in the same box structure, and then the two sets of piston compression devices are driven by sharing one crankshaft, so that the double-pump-head air compressor is more compact and simplified in structure compared with the existing two independent air compressor structures, and is low in cost; in addition, the gas inlet and outlet of the two primary cylinders, the two secondary cylinders, the two tertiary cylinders, the two quaternary cylinders and the two quaternary cylinders are converged together, so that the high-pressure gas with the flow rate equal to twice that of the single-piston compression device can be output finally, and the air compression flow rate is improved;
2. The first eccentric shaft and the second eccentric shaft which are used for being connected with the connecting rod on the crankshaft are respectively positioned on the opposite sides of the main shaft and have the same structure, and are equivalent to symmetrical design, so that relatively stable dynamic balance can be realized without additionally adding a balancing weight, and vibration forces generated by reciprocating pushing pistons in the two piston compression devices can be effectively offset mutually, so that the whole air compressor works more stably and does not vibrate.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is another structural schematic of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a schematic structural view of a crankshaft.
In the figure, 1, a box body; 2. a crankshaft; 21. a first eccentric portion; 22. a first eccentric shaft; 23. a second eccentric portion; 24. a second eccentric shaft; 25. a main shaft; 3. a primary cylinder; 4. A primary air inlet pipe; 5. a first-stage air outlet pipe; 6. a secondary cylinder; 7. a secondary air inlet pipe; 8. a secondary air outlet pipe; 9. a three-stage cylinder; 10. a third-stage air inlet pipe; 11. a third-stage air outlet pipe; 12. a four-stage cylinder; 13. a four-stage air inlet pipe; 14. a fourth-stage air outlet pipe; 15. a five-stage cylinder; 16. a fifth-stage air inlet pipe; 17. a five-stage air outlet pipe.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the double-pump-head air compressor comprises a box body 1, wherein a crankshaft 2 is arranged on the box body 1, two piston compression devices are connected to the crankshaft 2, and each piston compression device comprises five piston compression structures which are identical in structure and are all installed on the box body 1. Of course, this air compressor machine still includes structures such as motor, fan and air cleaner, because these structures and theory of operation are prior art, and is not repeated here. The five piston compression structures with the same structure are respectively a primary compression structure with a primary cylinder 3, a secondary compression structure with a secondary cylinder 6, a tertiary compression structure with a tertiary cylinder 9, a quaternary compression structure with a quaternary cylinder 12 and a penta-stage compression structure with a penta-stage cylinder 15, namely, the two piston compression devices are provided with two primary cylinders 3, two secondary cylinders 6, two tertiary cylinders 9, two quaternary cylinders 12 and two penta-stage cylinders 15, the respective air inlets of the two primary cylinders 3 are communicated with the air inlet of the air compressor through a primary air inlet pipe 4 after being converged, the respective air outlets of the two primary cylinders 3 are communicated with the secondary air inlet pipe 7 through a primary air outlet pipe 5, the respective air inlets of the two secondary cylinders 6 are communicated with the secondary air inlet pipe 7 after being converged, the respective air outlets of the two secondary cylinders 6 are converged and are communicated with the tertiary air inlet pipe 10 through a secondary air outlet pipe 8, the respective air inlets of the two tertiary cylinders 9 are converged and are communicated with the quaternary air inlet pipe 10, the respective air outlets of the two tertiary cylinders 9 are converged and communicated with the quaternary air inlet pipe 13 through a tertiary air outlet pipe 11, the respective quaternary cylinders 12 are communicated with the quaternary air inlet 13 after being converged, the respective air outlets of the respective quaternary cylinders 12 are converged and the respective air outlets of the two quaternary cylinders 12 are communicated with the five-stage air inlet pipe 16 through a five-stage air outlet pipe 16, the respective air outlet pipe 16 is respectively communicated with the five-stage air outlet pipe 15.
During operation, outside air is filtered through the air filter and then enters into the two first-stage cylinders 3 for one-stage compression simultaneously, air after one-stage compression is output from the two first-stage cylinders 3 and then enters into the two second-stage cylinders 6 for two-stage compression simultaneously, air after two-stage compression is output from the two second-stage cylinders 6 and then enters into the two three-stage cylinders 9 for three-stage compression simultaneously, air after three-stage compression is output from the two three cylinders and then enters into the two four-stage cylinders 12 for four-stage compression simultaneously, air after four-stage compression is output from the two four-stage cylinders 12 and then enters into the two five-stage cylinders 15 for five-stage compression simultaneously, and high-pressure air is output after five-stage compression is combined. The double-pump-head air compressor combines two air compressor structures to share the same box body 1 structure, and both sets of piston compression devices are arranged in the same box body 1 structure, so that one box body 1 structure is saved, and then the two sets of piston compression devices are driven by sharing one crankshaft 2, so that compared with the existing two independent air compressor structures, the structure is more compact and simplified, and the cost is low; in addition, the two primary cylinders 3, the two secondary cylinders 6, the two tertiary cylinders 9, the two quaternary cylinders 12 and the two quaternary cylinders 15 are all converged together, so that the high-pressure gas with the flow rate equal to twice that of the single-piston compression device can be output finally, and the air compression flow rate is improved.
As shown in fig. 3 and 4, the crankshaft 2 includes two first eccentric portions 21, two second eccentric portions 23 and a main shaft 25, the two first eccentric portions 21 and the two second eccentric portions 23 separate the main shaft 25 by three sections separately and independently, a first eccentric shaft 22 is fixedly installed between the two first eccentric portions 21, a second eccentric shaft 24 is fixedly installed between the two second eccentric portions 23, five sleeve grooves are formed on the first eccentric shaft 22, the first eccentric shaft 22 and the second eccentric shaft 24 have the same structure, and connecting rods of five piston compression structures of the two piston compression devices are respectively sleeved on the five sleeve grooves of the first eccentric shaft 22 and the second eccentric shaft 24. The working principle and specific structure of the piston compression structure are prior art and will not be described in detail here.
Further, the first eccentric portion 21 and the second eccentric portion 23 have the same structure, the first eccentric shaft 22 and the second eccentric shaft 24 are respectively located on opposite sides of the main shaft 25, and the distance from the axis of the first eccentric shaft 22 to the axis of the main shaft 25 is equal to the distance from the axis of the second eccentric shaft 24 to the axis of the main shaft 25. That is, the first eccentric shaft 22 and the second eccentric shaft 24 are symmetrical with respect to the main shaft 25, so that relatively stable dynamic balance can be achieved without adding additional balancing weights, and vibration forces generated by reciprocating pushing of pistons in the two piston compression devices can be effectively offset each other, so that the whole air compressor works relatively stably without vibration.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The utility model provides a double pump head air compressor machine, includes a box (1), be equipped with bent axle (2), its characterized in that on box (1): the crankshaft (2) is connected with two piston compression devices, each piston compression device comprises five piston compression structures with the same structure, each piston compression device comprises a primary compression structure with a primary cylinder (3), a secondary compression structure with a secondary cylinder (6), a tertiary compression structure with a tertiary cylinder (9), a quaternary compression structure with a quaternary cylinder (12) and five-stage compression structures with five-stage cylinders (15), namely, two piston compression devices are provided with two primary cylinders (3), two secondary cylinders (6), two tertiary cylinders (9), two quaternary cylinders (12) and two five-stage cylinders (15), each air inlet of the two primary cylinders (3) is communicated with an air inlet of an air compressor through a primary air inlet pipe (4), each air outlet of the two primary cylinders (3) is communicated with the secondary air inlet pipe (7) through a primary air outlet pipe (5), each air inlet of the two secondary cylinders (6) is communicated with the secondary air inlet pipe (7) after being converged, each air outlet of the two secondary cylinders (6) is communicated with each air outlet pipe (10) through a secondary air outlet pipe (8) after being converged with each air outlet pipe (10), the two four-stage cylinders (12) are communicated with the four-stage air inlet pipe (13) after being converged by respective air inlets, the two four-stage cylinders (12) are communicated with the five-stage air inlet pipe (16) through a four-stage air outlet pipe (14) after being converged by respective air outlets, the two five-stage cylinders (15) are communicated with the five-stage air inlet pipe (16) after being converged by respective air inlets, the two five-stage cylinders (15) are converged by respective air outlets and output through a five-stage air outlet pipe (17), and each piston compression structure is arranged on the box body (1) and comprises a connecting rod which is sleeved on the crankshaft (2).
2. A double pump head air compressor according to claim 1, characterized in that the crankshaft (2) comprises two first eccentric parts (21), two second eccentric parts (23) and a main shaft (25), the two first eccentric parts (21) and the two second eccentric parts (23) separate the main shaft (25) into three sections which are separated independently, a first eccentric shaft (22) is fixedly arranged between the two first eccentric parts (21), a second eccentric shaft (24) is fixedly arranged between the two second eccentric parts (23), and connecting rods in the piston compression structures of the two piston compression devices are respectively sleeved on the first eccentric shaft (22) and the second eccentric shaft (24).
3. The double-pump-head air compressor according to claim 2, wherein the first eccentric shaft (22) and the second eccentric shaft (24) have the same structure, the first eccentric portion (21) and the second eccentric portion (23) have the same structure, the first eccentric shaft (22) and the second eccentric shaft (24) are respectively positioned on opposite sides of the main shaft (25), and the distance from the axis of the first eccentric shaft (22) to the axis of the main shaft (25) is equal to the distance from the axis of the second eccentric shaft (24) to the axis of the main shaft (25).
4. A double pump head air compressor according to claim 2 or 3, characterized in that five socket grooves are provided on the first eccentric shaft (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273822.6A CN110863968B (en) | 2019-12-12 | 2019-12-12 | Double-pump-head air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911273822.6A CN110863968B (en) | 2019-12-12 | 2019-12-12 | Double-pump-head air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110863968A CN110863968A (en) | 2020-03-06 |
| CN110863968B true CN110863968B (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911273822.6A Active CN110863968B (en) | 2019-12-12 | 2019-12-12 | Double-pump-head air compressor |
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| CN (1) | CN110863968B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1637280A (en) * | 2003-12-26 | 2005-07-13 | 株式会社日立制作所 | Pancake compressor |
| JP2005188482A (en) * | 2003-12-26 | 2005-07-14 | Hitachi Ltd | Reciprocating compressor |
| JP2007056766A (en) * | 2005-08-24 | 2007-03-08 | Niigata Univ | Vacuum pump |
| DE102016103615B3 (en) * | 2016-03-01 | 2017-08-24 | Rudolf Schulze | Motor-compressor unit |
| CN107143484A (en) * | 2017-04-12 | 2017-09-08 | 中清能（北京）科技有限公司 | A kind of piston type air compressor and vehicle air compressor |
| CN208870753U (en) * | 2018-07-31 | 2019-05-17 | 浙江洛森压缩机有限公司 | A kind of five cylinder fresh breeze cold anticyclone gas pump heads |
| CN211448934U (en) * | 2019-12-12 | 2020-09-08 | 浙江洛森压缩机股份有限公司 | Double-pump-head air compressor |
-
2019
- 2019-12-12 CN CN201911273822.6A patent/CN110863968B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1637280A (en) * | 2003-12-26 | 2005-07-13 | 株式会社日立制作所 | Pancake compressor |
| JP2005188482A (en) * | 2003-12-26 | 2005-07-14 | Hitachi Ltd | Reciprocating compressor |
| JP2007056766A (en) * | 2005-08-24 | 2007-03-08 | Niigata Univ | Vacuum pump |
| DE102016103615B3 (en) * | 2016-03-01 | 2017-08-24 | Rudolf Schulze | Motor-compressor unit |
| CN107143484A (en) * | 2017-04-12 | 2017-09-08 | 中清能（北京）科技有限公司 | A kind of piston type air compressor and vehicle air compressor |
| CN208870753U (en) * | 2018-07-31 | 2019-05-17 | 浙江洛森压缩机有限公司 | A kind of five cylinder fresh breeze cold anticyclone gas pump heads |
| CN211448934U (en) * | 2019-12-12 | 2020-09-08 | 浙江洛森压缩机股份有限公司 | Double-pump-head air compressor |
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| Publication number | Publication date |
|---|---|
| CN110863968A (en) | 2020-03-06 |
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