CN2194920Y - Oil Suction Supply Device for Plain Sewing Machine - Google Patents
Oil Suction Supply Device for Plain Sewing Machine Download PDFInfo
- Publication number
- CN2194920Y CN2194920Y CN 93211944 CN93211944U CN2194920Y CN 2194920 Y CN2194920 Y CN 2194920Y CN 93211944 CN93211944 CN 93211944 CN 93211944 U CN93211944 U CN 93211944U CN 2194920 Y CN2194920 Y CN 2194920Y
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- CN
- China
- Prior art keywords
- oil
- fuel feeding
- utility
- suction
- plunger
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- Expired - Fee Related
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Abstract
The utility model discloses an oil suction supply device for plain sewing machines, which belongs to the technical field of a sewing machine. Two set of plunger pumps are formed by the eccentric sleeve oil suction supply on the lower shaft of the utility model, the shaft sleeve of oil suction supply, a plunger, etc. The utility model utilizes the eccentric sleeve of the oil suction supply or the eccentricity of a rotary shaft and the plunger to carry out oil suction supply. An oil system is formed by an oil inlet nozzle, an oil outlet nozzle, an oil line, oil transferring pipes, an oil regulator, an oil filter, etc. The utility model utilizes the two forms of the oil outlet nozzle and the oil line to carry out sufficient lubrication. The oil quantity of the utility model can be regulated. The oil pipes are directly connected. The utility model has the advantages of simple structure, small size, large oil quantity, high oil pressure (the oil pressures of high speed and low speed are the same), rapid oil return, high efficiency and no phenomenon of oil leakage. Besides, the utility model has no need of other special oil pumps of blade suction supply.
Description
The utility model belongs to the sewing machine technique field, further relates to a kind of lubricated suction fueller of flat seam machine that is used for.
The suction fueller of existing flat seam machine adopts oil piping systems such as vane pump, centrifugal pump mostly, and more loaded down with trivial details, connection is undesirable etc.With GC type flat seam machine is that example (GC6-1, GC38-1 etc.) all adopts the vane pump fuel feeding, and fuel feeding is inhaled in plunger oil suction or vane pump combination.Its major defect is: because the impeller of vane pump is installed on the vertical pivot, because of the influence of factors such as manufacturing assembling, inevitably increased the driving torque of machine, the impeller of vane pump will be immersed in the lubricating oil of food tray (oil container), increased the food tray degree of depth, made food tray die casting difficulty.The impeller of vane pump generally adopts working of plastics fragile, and the very for a short time oil pump efficient that causes of oil pressure is low, causes the fuel feeding deficiency, and must reach certain rotating speed could lubrication machine.Stop operating at machine, the lubricating oil in the petroleum pipeline descends rapidly, and reaching certain rotating speed when restarting could fuel feeding, and the oil pump body complex structure, makes and require highly, and the relative position of the connecting hole of oil pump body and vertical pivot transmission also requires height, the manufacturing cost height.Pressure fuel pump is too little when low-speed running especially, causes and inhales the fuel feeding deficiency.The fuel feeding deficiency makes part lubricated insufficient, and machine service life is shortened in the component wear aggravation.When serious machine " is killed ", and can't use, the oil suction deficiency makes the lubricating oil in the head can't normally be expelled back into food tray again, and goes down from the gap seepage of mechanisms such as shank, severe contamination sewing.
The purpose of this utility model mainly provides a kind of suction fueller simple in structure, and it makes oil return unimpeded, the fuel feeding abundance, and inhaling voltage supply power increases the charge oil pressure when especially having improved low speed.
The utility model comprises rotating shaft (lower shaft, vertical pivot or last axle) suction fuel feeding axle sleeve, inhales fuel feeding eccentric bushing, plunger and oil circuit.Plunger assembly itself just has two functions, oil suction (oil-feed) and fuel feeding (fuel-displaced).Inhale fuel feeding axle sleeve or axle support holes, it is loaded on the rotating shaft of Sewing machines, and inhaling on fuel feeding axle sleeve or the axle support holes has several through holes, and at least one oil outlet is housed respectively on the through hole, at least one inlet nozzle, and at least one plunger, plunger is supported by spring and plate washer.Have an eccentric breach on the Sewing machines rotating shaft at least, or have an eccentric breach at least on the suction fuel feeding eccentric bushing, inhale the fuel feeding eccentric bushing and be fastened on the rotating shaft position alignment plunger of eccentric breach.Be associated with flexible pipe on the inlet nozzle of suction fuel feeding axle sleeve, oil filter is equipped with in the other end of flexible pipe.The oil outlet of inhaling the fuel feeding axle sleeve is connected with petroleum pipeline.Lubricated oil content two tunnel through petroleum pipeline, one the road inserts oil feeder, oil feeder connects the lower-left petroleum pipeline, regulate the lubricated rotating shuttle of oil mass, another road is connected with last oil hose, lubricating oil power shaft support holes, by the lubricated head parts of last axle (through hole), the inlet nozzle of inhaling the fuel feeding axle sleeve is connected with head front end oil strain felt through oil return pipe, and the oil of head front portion is sucked food tray.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is that the utility model lower shaft (rotating shaft) is inhaled fuel feeding eccentric bushing, axle sleeve structure schematic diagram.
Fig. 2 is the utility model oil channel structures schematic diagram.
Suction fuel feeding axle sleeve of the present utility model or axle support holes (13) are inhaled fuel feeding eccentric bushing (10), and it is loaded on the lower shaft (1) or other rotating shaft of Sewing machines.Inhaling on the fuel feeding axle sleeve (13) has 6 through holes that two oil outlets (22), (23) are set respectively, two inlet nozzles (14), (15), two plungers (16), (21).The through hole C that inhales fuel feeding axle sleeve (13) is connecting inlet nozzle (oil-Absorbing nozzle) (15), and inlet nozzle (15) is equipped with oil suction flexible pipe (12) and is connected with oil filter (11).Oil filter (11) is placed in the food tray of head and carries out oil strain.The B through hole of inhaling fuel feeding axle sleeve (13) is equipped with plunger (21), refills upper plug spring (20) and plunger plate washer (19), by screw (18) plunger plate washer (19) is fixed on and inhales on the fuel feeding axle sleeve (13).Inhale on the A through hole of fuel feeding axle sleeve (13) oil outlet (23) be housed, by plastic flexible pipe petroleum pipeline (9) to oil feeder (8) assembly fuel feeding.Oil feeder (8) is connected with lower-left petroleum pipeline (7), and the leading portion of lower-left petroleum pipeline (7) connects with lower shaft front shaft sleeve (2), by lower shaft (1) the oil lubrication rotating shuttle.Another road is connected the threeway oil nozzle of oil through oil feeder assembly (8) by petroleum pipeline (9) with last oil hose (6), axle support holes (bottom bracket axle) (5) is gone up in the lubricating oil input, the lubricated head section mechanism of axle on the through hole, and above-mentioned is that a cover is inhaled fueller.At the through hole C that inhales fuel feeding axle sleeve (13)
1Connecting inlet nozzle (oil-Absorbing nozzle) (14), oil-Absorbing nozzle (14) is equipped with plastic flexible pipe (4), with head oil strain felt (3), the excess oil of head front portion is all sucked back.Inhale the B of fuel feeding axle sleeve (13)
1Through hole is being adorned plunger (16), refills upper plug spring (17) and plunger plate washer (19), by screw (18) plunger plate washer (19) is fixed on and inhales on the fuel feeding axle sleeve (13), inhales the A of fuel feeding axle sleeve (13)
1Oil outlet (22) is housed on the through hole, to the moving parts fuel feeding, constitutes another set of suction fueller by plastic flexible pipe.Through hole A, A
1Axis and B, B
1Axis and C, C
1The angle of axis respectively is 60 °-65 °.
The utility model is inhaled the fuel feeding process: when direction shown in lower shaft (1) map interlinking 1 is rotated, lubricating oil is by oil filter (11), oil hose (12), inlet nozzle (15), oil is filtered the back inspiration and inhales fuel feeding axle sleeve (13), from oil outlet (23), oil hose (9) is imported lower shaft front shaft sleeve (2) to lubricating oil with oil feeder assembly (8), lower-left petroleum pipeline (7) again.Oil groove by lower shaft front shaft sleeve (2) is imported lower shaft (1) to oil, and the oilhole by lower shaft (1) is the oil lubrication rotating shuttle, and oil feeder assembly (8) is regulated the size of supplying with the rotating shuttle oil mass.The threeway oil nozzle that the oil feeder assembly is (8) one sections is connected with last axle petroleum pipeline (6), and axle bottom bracket axle (5) is gone up in the oil input, by the oil groove of last axle bottom bracket axle (5) axle is gone up in the oil input, again from each fuel feeding of last axial head.Because each parts is in motion, each parts can obtain sufficient lubrication like this.
The oil return process of head front portion: inhale fuel feeding axle sleeve (13) and press in the rotary course of direction shown in the figure at lower shaft, the oil of head front portion is by head oil strain felt (3), plastic flexible pipe (oil return pipe) (4) is connected on the oil-Absorbing nozzle (14) of inhaling fuel feeding axle sleeve (13), the rotation of machine lower shaft is rotated the suction fuel feeding eccentric bushing (10) that is fastened on the lower shaft (1), make it produce suction, the excess oil of head front portion is directly sucked back by oil strain felt (3) and oil return pipe (4), pass through A again
1The oil outlet in hole (22) sucks back oil through plastic flexible pipe, crosses the oil that filters and is sprayed onto on the parts that moved, and has eliminated the oil leakage phenomenon of head front portion simultaneously.The upward axle of rotating shaft is provided with an eccentric breach and aims at plunger.Vertical pivot is provided with an eccentric breach or two eccentric breach, and aims at one or two plungers.
This apparatus structure is very simple, and maximum characteristics are " dual-use materials ", namely utilizes suction fuel feeding axle sleeve to do bearing holder (housing, cover), utilizes suction fuel feeding eccentric bushing or rotating shaft to make the oil jacket core, neither reduces original properties, has increased again new function. The connection of oil circuit each several part all adopts plastic flexible pipe directly to communicate, and does not have the links such as the indirect joint in any centre. Suction fuel feeding of the present utility model is rapid, and fully lubricated, the unimpeded component wear that reduced of oil return has reduced the fault generation, has prolonged machine service life, inhales fuel feeding oil leakage phenomenon is eliminated. The associated mode pipeline has reduced intermediate link, has improved oil transportation efficient and has inhaled charge oil pressure, has increased oil mass. It is simple to inhale the fuel feeding axle sleeve structure, has not only saved part but also has reduced the processing of casing, reduces cost, and has also simplified assembly technology.
Claims (4)
1, a kind of suction fueller of flat seam machine, it comprises lower shaft (1) (vertical pivot or last axle), suction fuel feeding eccentric bushing (10), suction fuel feeding axle sleeve (13), plunger (16) and the oil circuit of rotating shaft, it is characterized in that: described suction fuel feeding axle sleeve (13) or axle support holes (5) are loaded on the lower shaft (1) or other rotating shaft of flat seam machine; Inhaling on fuel feeding axle sleeve (13) or the axle support holes (5) has several through holes, and at least one oil outlet (22), at least one inlet nozzle (15) are housed respectively, the plunger (16) that at least one is supported by spring (20) and plate washer (19); Has an eccentric breach of aiming at plunger (16) on the described suction fuel feeding excentric sleeve (10) at least; The inlet nozzle (15) of described suction fuel feeding axle sleeve (13) connects oil filter (11) through flexible pipe (12), and oil outlet (23) connects oil feeder (8) through flexible pipe (9), and oil feeder (8) connects lower-left petroleum pipeline (7); Oil outlet (23) is connected to a support holes (5) through flexible pipe (9), last oil hose (6), the inlet nozzle (14) of described suction fuel feeding axle sleeve (13) is connected with the oil strain felt (3) of head front end through oil return pipe (4), oil outlet (22) by oil pipe to the moving parts fuel feeding.
2, the suction fueller of flat seam machine as claimed in claim 1 is characterized in that: the upward axle of described rotating shaft is provided with an eccentric breach and aims at plunger.
3, the suction fueller of flat seam machine as claimed in claim 1 is characterized in that: described vertical pivot is provided with an eccentric breach or two eccentric breach, and aims at one or two plungers.
4, the suction fueller of flat seam machine as claimed in claim 1 is characterized in that: the angle between each through-bore axis on described suction fuel feeding axle sleeve (13) or the axle support holes (5) respectively is 60 °-65 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93211944 CN2194920Y (en) | 1993-05-05 | 1993-05-05 | Oil Suction Supply Device for Plain Sewing Machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93211944 CN2194920Y (en) | 1993-05-05 | 1993-05-05 | Oil Suction Supply Device for Plain Sewing Machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2194920Y true CN2194920Y (en) | 1995-04-19 |
Family
ID=33793406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93211944 Expired - Fee Related CN2194920Y (en) | 1993-05-05 | 1993-05-05 | Oil Suction Supply Device for Plain Sewing Machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2194920Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041953C (en) * | 1994-05-10 | 1999-02-03 | 重机公司 | Oil supplying for sewing machine |
| CN100374636C (en) * | 2001-05-25 | 2008-03-12 | 飞马缝纫机制造株式会社 | Sewing machine |
| CN1854374B (en) * | 2005-04-21 | 2011-09-07 | 重机公司 | Oil feeding device of sewing machine |
| CN103015074A (en) * | 2012-12-27 | 2013-04-03 | 浙江银工缝纫机有限公司 | Oil supply device of straight-end button hole sewing machine |
| CN103556409A (en) * | 2013-11-08 | 2014-02-05 | 浙江中森缝纫机有限公司 | Special arm type hemming sewing machine with automatic oil supply system |
| CN103938376A (en) * | 2014-03-26 | 2014-07-23 | 新杰克缝纫机股份有限公司 | Oil return device for oil receiver |
| CN108193394A (en) * | 2018-01-29 | 2018-06-22 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
| CN110904586A (en) * | 2019-11-04 | 2020-03-24 | 四川精上缝纫机有限公司 | Method and device capable of controlling oil supply quantity of rotating shuttle of sewing machine |
-
1993
- 1993-05-05 CN CN 93211944 patent/CN2194920Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041953C (en) * | 1994-05-10 | 1999-02-03 | 重机公司 | Oil supplying for sewing machine |
| CN100374636C (en) * | 2001-05-25 | 2008-03-12 | 飞马缝纫机制造株式会社 | Sewing machine |
| CN1854374B (en) * | 2005-04-21 | 2011-09-07 | 重机公司 | Oil feeding device of sewing machine |
| CN103015074A (en) * | 2012-12-27 | 2013-04-03 | 浙江银工缝纫机有限公司 | Oil supply device of straight-end button hole sewing machine |
| CN103015074B (en) * | 2012-12-27 | 2015-03-18 | 浙江银工缝纫机有限公司 | Oil supply device of straight-end button hole sewing machine |
| CN103556409A (en) * | 2013-11-08 | 2014-02-05 | 浙江中森缝纫机有限公司 | Special arm type hemming sewing machine with automatic oil supply system |
| CN103938376A (en) * | 2014-03-26 | 2014-07-23 | 新杰克缝纫机股份有限公司 | Oil return device for oil receiver |
| CN108193394A (en) * | 2018-01-29 | 2018-06-22 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
| CN108193394B (en) * | 2018-01-29 | 2020-07-28 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN110904586A (en) * | 2019-11-04 | 2020-03-24 | 四川精上缝纫机有限公司 | Method and device capable of controlling oil supply quantity of rotating shuttle of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |