CN103953524B - The portable air compressor core that a kind of piston rod bilateral is spacing - Google Patents
The portable air compressor core that a kind of piston rod bilateral is spacing Download PDFInfo
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- CN103953524B CN103953524B CN201410224456.6A CN201410224456A CN103953524B CN 103953524 B CN103953524 B CN 103953524B CN 201410224456 A CN201410224456 A CN 201410224456A CN 103953524 B CN103953524 B CN 103953524B
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- eccentric
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- support shaft
- air compressor
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- 230000002146 bilateral effect Effects 0.000 title claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 abstract description 3
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- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
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Abstract
This application discloses the portable air compressor core that a kind of piston rod bilateral is spacing, including piston rod, eccentric bushing, support seat and actuating device, one end of piston rod arranges eccentric bushing, also include eccentric and support shaft, the centrally disposed eccentric of eccentric bushing, eccentric relatively rotates with eccentric bushing, the eccentric position of eccentric is equipped with support shaft, eccentric drives eccentric bushing to rotate around support shaft, the two ends of support shaft are by supporting seat supports, support shaft relative support seat rotates, and eccentric is rotated by actuator drives.The portable air compressor core of the application makes actuating device the most firm to the force transferring structure of piston, decrease the free end of force transferring structure, support seat and from both sides, rotatable parts are carried out spacing, reduce the displacement between long-term rotation work back part and the phenomenon that gets loose, make to connect between all parts more stable, reduce machine failure rate, increase the service life, and the vibrations of force transferring structure can be reduced, thus reduce the noise of compressor operation.
Description
Technical field
The application belongs to Portable air compressor technical field, specifically, relates to the portable air compressor core that a kind of piston rod bilateral is spacing.
Background technology
The air compressor structure of prior art, as it is shown in figure 1, it is mainly provided with a motor 1, it is provided with one in the front of motor 1 and fixes seat 2, the axle center of motor 1 is provided with travelling gear 3, and a driven gear 4 is located on fixing seat 2, and driven gear 4 is also meshed with travelling gear 3, on driven gear 4 and be provided with an eccentric shaft 5, eccentric shaft 5 connects a connecting rod 6, and the end of connecting rod 6 is provided with piston, and that fixes seat 2 is arranged over a cylinder 7, piston is located in cylinder 7, and cylinder 7 is provided with an air intake valve and and gives vent to anger valve；By motor 1 by electric operation, band nutating gear 3 rotates, travelling gear 3 drives the driven gear 4 engaged to rotate, and then be knee-action by eccentric shaft 5 drivening rod 6 with piston, suction can be produced in cylinder 7 when piston moves down, extraneous air is sucked in cylinder 7 by air intake valve, when moving on piston, the air extrusion in cylinder 7 is gone out by air outlet valve door row.The air compressor machine of prior art connects the connecting rod 6 of piston and only relies on eccentric shaft 5 the most as above and support from side and drive, driven gear 4 and the structure of eccentric shaft 5 are dependent on the axle being fixed on fixing seat 2 of driven gear 4 side and carry out unilateral support and spacing furtherly, the other side of driven gear 4 is owing to arranging eccentric shaft 5, in order to not affect eccentric shaft 5 and the movement locus of connecting rod 6, those skilled in the art are typically designed to hanging structure when design, i.e. do not support and spacing structure in driven gear 4 other side.Said structure, under the continuous push-and-pull action of eccentric shaft 5 and connecting rod 6, driven gear 4, eccentric shaft 5 and connecting rod 6 even piston are easy to existence and rock, and not only bring the problems such as big, the structural instability of noise, but also have influence on the service life of complete machine.
Summary of the invention
The application overcomes shortcoming of the prior art, it is provided that the portable air compressor core that a kind of piston rod bilateral is spacing, and it has Stability Analysis of Structures, and noise is less, service life length feature.
In order to solve above-mentioned technical problem, the application is achieved through the following technical solutions:
The portable air compressor core that a kind of piston rod bilateral is spacing, including piston rod, support seat and actuating device, also include eccentric bushing, eccentric and support shaft, one end of described piston rod arranges eccentric bushing, the centrally disposed described eccentric of described eccentric bushing, described eccentric relatively rotates with described eccentric bushing, the eccentric position of described eccentric is equipped with described support shaft, described eccentric drives described eccentric bushing to rotate around described support shaft, the two ends of described support shaft are by described support seat supports, described support shaft rotates relative to described support seat, described eccentric is rotated by described actuator drives.
Described actuating device includes travelling gear, driven gear, described travelling gear engages with described driven gear, and drive described driven gear to rotate, described eccentric is fixed in the eccentric position of described driven gear, described support shaft through the center of described driven gear, and with described driven gear interference fit.
Described support seat is the shell of closed type, and the two ends of described support shaft are installed in the groove on described shell, and described piston rod, travelling gear, driven gear, eccentric, eccentric bushing and support shaft are respectively positioned on the inside of the described shell of described closed type.
Described shell is fastened by upper casing and lower casing and forms, and described upper casing and described lower casing are respectively equipped with the two ends supporting described support shaft
Support seat.
Described lower casing is one-body molded with the motor case of air compressor machine.
Described upper casing is provided with screw hole, and described lower casing is provided with the screw hole corresponding with the screw hole of described upper casing, described upper casing and described lower casing and wears described screw hole by screw and be buckled into the shell of closed type.
The cylinder of air compressor machine is coated with wherein by described shell.
One end of described cylinder is provided with the fixture for fixing described shell, and described shell is fixed in described fixture.
Described support seat is provided with the die cavity being separated into by some gussets.
Described support shaft be respectively arranged at two ends with bearing, described bearing is installed on described support seat.
Compared with prior art, the application provides the benefit that:
The portable air compressor core that a kind of piston rod bilateral described herein is spacing, including piston rod, eccentric bushing, support seat and actuating device, one end of described piston rod arranges eccentric bushing, also include eccentric and support shaft, the centrally disposed described eccentric of described eccentric bushing, described eccentric relatively rotates with described eccentric bushing, the eccentric position of described eccentric is equipped with described support shaft, described eccentric drives described eccentric bushing to rotate around described support shaft, the two ends of described support shaft are by described support seat supports, described support shaft rotates relative to described support seat, described eccentric is rotated by described actuator drives.nullThe portable air compressor core of the application，By the centrally disposed described eccentric of eccentric bushing，Described eccentric relatively rotates with described eccentric bushing，The eccentric position of described eccentric is equipped with the technical scheme of described support shaft and replaces the eccentric shaft of prior art to be directly connected to the technical scheme of piston rod one end，Owing to range of movement limits，The eccentric shaft of prior art is less with driven gear junction area，The most fragile，Fracture is easily caused during life-time service，Affect air compressor machine to use，Compared with prior art the eccentric of the application significantly increases with driven gear junction area，Make attachment structure at this more durable，Actuating device is the most firm to the force transferring structure of piston，Decrease the free end of force transferring structure，Support seat and from both sides, rotatable parts are carried out spacing，Reduce the displacement between long-term rotation work back part and the phenomenon that gets loose，Make to connect between all parts more stable，Reduce machine failure rate，Increase the service life，And the vibrations of force transferring structure can be reduced，Thus reduce the noise of compressor operation；Meanwhile contrast prior art, the space that the combinative structure of technical scheme eccentric bushing, eccentric and the support shaft of the application takies approximates with the range of movement of prior art eccentric shaft, the most additionally take more space, the most well maintain the miniaturization structure of Portable air compressor.
Accompanying drawing explanation
Accompanying drawing is used for providing further understanding of the present application, is used for explaining the application, is not intended that the restriction to the application, in the accompanying drawings together with embodiments herein:
Fig. 1 is the structural representation of the monolateral supporting construction of air compressor structure piston rod described in prior art；
Fig. 1 includes:
1 motor, 2 fix seat,
3 travelling gears, 4 driven gears,
5 eccentric shafts, 6 connecting rods,
7 cylinders.
Fig. 2 is the overall structure schematic diagram of the spacing portable air compressor core of herein described a kind of piston rod bilateral；
Fig. 3 is the internal structure schematic diagram removing upper casing of the spacing portable air compressor core of herein described a kind of piston rod bilateral；
Fig. 4 is the Split type structure schematic diagram of the spacing portable air compressor core of herein described a kind of piston rod bilateral；
Fig. 5 is the structural representation of the critical piece of the spacing portable air compressor core of herein described a kind of piston rod bilateral；
Fig. 6 is another angled arrangement schematic diagram of the spacing portable air compressor core of herein described a kind of piston rod bilateral；
Fig. 7 is the cross-sectional view in Fig. 6 at A-A.
Fig. 2 to Fig. 7 includes:
1 piston rod, 2 travelling gears,
3 shells, 4 support shafts,
5 clutch shaft bearings, 6 second bearings,
7 driven gears, 8 eccentric bushings,
9 motor cases, 10 upper casings,
11 lower casings, 12 fixtures,
13 gussets, 14 die cavities,
15 eccentrics, 16 interior wheels,
17 foreign steamers.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiment of the application is illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains the application, be not used to limit the application.
As shown in Figures 4 to 7, the portable air compressor core that a kind of piston rod bilateral described herein is spacing, including piston rod 1, eccentric bushing 8, support seat and actuating device, one end of piston rod 1 arranges eccentric bushing 8, also include eccentric 15 and support shaft, the centrally disposed eccentric 15 of eccentric bushing 8, eccentric 15 relatively rotates with eccentric bushing 8, the eccentric position of eccentric 15 is equipped with support shaft, eccentric 15 drives eccentric bushing 8 to rotate around support shaft, the two ends of support shaft are by supporting seat supports, support shaft relative support seat rotates, eccentric 15 is rotated by actuator drives.The device of its position the most restricted, support shaft 4 two ends, ensure that it is always maintained in position at long-term rotary work and in the case of being pullled power by piston rod 1 and eccentric 15, do not occur significantly to deform and displacement, it is ensured that the service life of complete machine, reduce the vibrations of force transferring structure, reduce noise.
Actuating device includes travelling gear 2, driven gear 7, travelling gear 2 engages with driven gear 7, and drives driven gear 7 to rotate, and eccentric 15 is fixed in the eccentric position of driven gear 7, support shaft through the center of driven gear 7, and with driven gear 7 interference fit.
Supporting the shell 3 that seat is closed type, the two ends of support shaft are installed in the groove on shell 3, and piston rod 1, travelling gear 2, driven gear 7, eccentric 15, eccentric bushing 8 and support shaft 4 are respectively positioned on the inside of the shell 3 of closed type.Reduce noise, reduce dust and enter inside air compressor machine.Clutch shaft bearing 5 and the second bearing 6 lay respectively at the two ends of support shaft 4.Clutch shaft bearing 5 and the second bearing 6, as the two ends support member of support shaft 4, are installed on shell 3, and shell 3 is both as the housing of protection inner body, simultaneously again as support shaft 4, clutch shaft bearing 5 and the support seat of the second bearing 6.
As shown in Figure 3, Figure 4, shell 3 is fastened by upper casing 10 and lower casing 11 and forms, and upper casing 10 and lower casing 11 are respectively equipped with the support seat at the two ends supporting support shaft.Clutch shaft bearing 5 is installed on upper casing 10, and the second bearing 6 is installed on lower casing 11.Facilitate die sinking, it is simple to assemble and repair demolition.
As shown in Figure 4, lower casing 11 is one-body molded with the motor case 9 of air compressor machine.Reduce and connect, ease of assembly, and make air compressor machine globality more preferable, stability is higher.
Upper casing 10 is provided with screw hole, and lower casing 11 is provided with the screw hole corresponding with the screw hole of upper casing 10, upper casing 10 and lower casing 11 and wears screw hole by screw and be buckled into the shell 3 of closed type.Ease of assembly.
The cylinder of air compressor machine is coated with wherein by shell 3.Reduce the vibrations of cylinder, reduce noise.
As shown in Figure 3, Figure 4, one end of cylinder is provided with the fixture 12 for fixing shell 3, and shell 3 is fixed in fixture 12.Ease of assembly, globality is more preferable.
As shown in Fig. 2, Fig. 3, Fig. 6, support seat and be provided with the die cavity 14 being separated into by some gussets 13.Gusset 13 is the intensity in order to increase shell 3, and die cavity 14 is to allow shell 3 lighter in weight, and saves material, reduces cost.
As shown in Fig. 3, Fig. 5, eccentric bushing 8 is the two-layer eccentric bushing 8 of socket, it is followed successively by from the inside to the outside and interior takes turns 16 and foreign steamer 17, inside take turns 16 and foreign steamer 17 can relatively rotate along same axle center, inside taking turns 16 and be fixed in eccentric 15, make eccentric bushing 8 when rotated, the motility of piston rod 1 is more preferable, stress is more uniformly distributed, it is to avoid stuck phenomenon occur.
The work process of the application is:
As shown in Figure 3, Figure 4, driven by motor travelling gear 2 rotates, travelling gear 2 drives the driven gear 7 engaged to rotate, driven gear 7 drive is fixed in eccentric 15 thereon and rotates, eccentric 15 rotates around support shaft 4, support shaft 4 is through the center of driven gear 7, and the eccentric position through eccentric 15, eccentric 15 actuating sleeve is connected on its outside eccentric bushing 8 and moves, eccentric bushing 8 drives piston rod 1 to move, piston rod 1 drives piston to move reciprocatingly in cylinder barrel, and compressed air is treated that charger is inflated.
Last it is noted that these are only the preferred embodiment of the application; it is not limited to the application; although the application being described in detail with reference to embodiment; for a person skilled in the art; technical scheme described in foregoing embodiments still can be modified by it; or wherein portion of techniques feature is carried out equivalent; but it is all within spirit herein and principle; the any modification, equivalent substitution and improvement etc. made, within should be included in the protection domain of the application.
Claims (8)
1. the portable air compressor core that a piston rod bilateral is spacing, including piston rod, support seat and actuating device, it is characterized in that: also include eccentric bushing, eccentric and support shaft, one end of described piston rod arranges eccentric bushing, the centrally disposed described eccentric of described eccentric bushing, described eccentric relatively rotates with described eccentric bushing, the eccentric position of described eccentric is equipped with described support shaft, described eccentric drives described eccentric bushing to rotate around described support shaft, the two ends of described support shaft are by described support seat supports, described support shaft rotates relative to described support seat, described eccentric is rotated by described actuator drives；
Described actuating device includes travelling gear, driven gear, described travelling gear engages with described driven gear, and drive described driven gear to rotate, described eccentric is fixed in the eccentric position of described driven gear, described support shaft through the center of described driven gear, and with described driven gear interference fit；
Described support seat is the shell of closed type, and the two ends of described support shaft are installed in the groove on described shell, and described piston rod, travelling gear, driven gear, eccentric, eccentric bushing and support shaft are respectively positioned on the inside of the described shell of described closed type.
The portable air compressor core that a kind of piston rod bilateral the most according to claim 1 is spacing, it is characterised in that: described shell is fastened by upper casing and lower casing and forms, and described upper casing and described lower casing are respectively equipped with the support seat at the two ends supporting described support shaft.
The portable air compressor core that a kind of piston rod bilateral the most according to claim 2 is spacing, it is characterised in that: described lower casing is one-body molded with the motor case of air compressor machine.
The portable air compressor core that a kind of piston rod bilateral the most according to claim 2 is spacing, it is characterized in that: described upper casing is provided with screw hole, described lower casing is provided with the screw hole corresponding with the screw hole of described upper casing, described upper casing and described lower casing and wears described screw hole by screw and be buckled into the shell of closed type.
The portable air compressor core that a kind of piston rod bilateral the most according to claim 1 is spacing, it is characterised in that: the cylinder of air compressor machine is coated with wherein by described shell.
The portable air compressor core that a kind of piston rod bilateral the most according to claim 5 is spacing, it is characterised in that: one end of described cylinder is provided with the fixture for fixing described shell, and described shell is fixed in described fixture.
The portable air compressor core that a kind of piston rod bilateral the most according to claim 1 is spacing, it is characterised in that: described support seat is provided with the die cavity being separated into by some gussets.
The portable air compressor core that a kind of piston rod bilateral the most according to claim 1 is spacing, it is characterised in that: described support shaft be respectively arranged at two ends with bearing, described bearing is installed on described support seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224456.6A CN103953524B (en) | 2014-05-26 | 2014-05-26 | The portable air compressor core that a kind of piston rod bilateral is spacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410224456.6A CN103953524B (en) | 2014-05-26 | 2014-05-26 | The portable air compressor core that a kind of piston rod bilateral is spacing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103953524A CN103953524A (en) | 2014-07-30 |
| CN103953524B true CN103953524B (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410224456.6A Active CN103953524B (en) | 2014-05-26 | 2014-05-26 | The portable air compressor core that a kind of piston rod bilateral is spacing |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108443106A (en) * | 2017-11-27 | 2018-08-24 | 南京塑维网络科技有限公司 | A kind of back and forth parallel rod-type transmission device and electric air pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29713975U1 (en) * | 1997-08-05 | 1997-10-09 | Chen, Kenneth, Tai-Shan Hsiang, Taipeh | Multifunctional compressor |
| CN2596067Y (en) * | 2003-01-13 | 2003-12-31 | 华广汇工业股份有限公司 | Air-compressor |
| CN2874055Y (en) * | 2005-12-30 | 2007-02-28 | 杨琪 | Air compressor |
| CN200943568Y (en) * | 2006-08-17 | 2007-09-05 | 郑玉琪 | Electric-charging pump |
| CN101936277A (en) * | 2010-08-03 | 2011-01-05 | 快意（江门）压缩机有限公司 | Compact type environment-protection oil-free air compressor |
| CN203948243U (en) * | 2014-05-26 | 2014-11-19 | 东莞瑞柯电子科技股份有限公司 | The spacing portable air compressor core of a kind of piston rod bilateral |
-
2014
- 2014-05-26 CN CN201410224456.6A patent/CN103953524B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29713975U1 (en) * | 1997-08-05 | 1997-10-09 | Chen, Kenneth, Tai-Shan Hsiang, Taipeh | Multifunctional compressor |
| CN2596067Y (en) * | 2003-01-13 | 2003-12-31 | 华广汇工业股份有限公司 | Air-compressor |
| CN2874055Y (en) * | 2005-12-30 | 2007-02-28 | 杨琪 | Air compressor |
| CN200943568Y (en) * | 2006-08-17 | 2007-09-05 | 郑玉琪 | Electric-charging pump |
| CN101936277A (en) * | 2010-08-03 | 2011-01-05 | 快意（江门）压缩机有限公司 | Compact type environment-protection oil-free air compressor |
| CN203948243U (en) * | 2014-05-26 | 2014-11-19 | 东莞瑞柯电子科技股份有限公司 | The spacing portable air compressor core of a kind of piston rod bilateral |
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| CN103953524A (en) | 2014-07-30 |
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Address after: Room 808, Building 1, No. 16 Keji Fourth Road, Songshanhu Park, Dongguan City, Guangdong Province, 523000 Patentee after: DONGGUAN RICHTEK ELECTRONICS Co.,Ltd. Country or region after: China Address before: Room 508 and 509, 5th floor, Building 4, Innovation Science Park, Songshan Lake Hi-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: DONGGUAN RICHTEK ELECTRONICS Co.,Ltd. Country or region before: China |
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