CN101581017B - Oil feeding device for sewing machine - Google Patents
Oil feeding device for sewing machine Download PDFInfo
- Publication number
- CN101581017B CN101581017B CN2009101405945A CN200910140594A CN101581017B CN 101581017 B CN101581017 B CN 101581017B CN 2009101405945 A CN2009101405945 A CN 2009101405945A CN 200910140594 A CN200910140594 A CN 200910140594A CN 101581017 B CN101581017 B CN 101581017B
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- Prior art keywords
- pump
- confined chamber
- shaft
- housing
- pump shaft
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- 238000009958 sewing Methods 0.000 title claims abstract description 35
- 239000010687 lubricating oil Substances 0.000 claims abstract description 41
- 239000003921 oil Substances 0.000 claims abstract description 36
- 239000000446 fuel Substances 0.000 description 27
- 230000002687 intercalation Effects 0.000 description 9
- 238000009830 intercalation Methods 0.000 description 9
- 238000005245 sintering Methods 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000001574 biopsy Methods 0.000 description 3
- 239000003550 marker Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides an oil feeding device for sewing machine, which can be carried in the sewing machine with a simple structure and can stably feed the necessary trace lubricating oil for a second closed chamber. A second pump (30) is equipped adjacently and parallelly with a first pump (5) equipped in a first closed chamber (4). A first worm wheel (25) and a second worm are fixedly provided in parallel on a first pump shaft (26) driving the first pump (5). A second worm (34) is fixed to one end of a second pump shaft (31) that drives the second pump (30). A first worm (7) is blocked with the first worm wheel, and a second worm (27) is blocked with the second worm wheel (34) so that the pump shaft (31) is rotated through an interlocking mode with a main shaft (2).
Description
Technical field
The present invention relates to the fueller of Sewing machines, relate to the fueller that is used for to give prominence to the Sewing machines of the parts supplying lubricating oil that slides partially from the framework of Sewing machines particularly.
Background technology
Now known to prevent from the overseam sewing machine needle bar or to go up lopping device seat etc. from the leakage of oil of the outstanding parts that slide partially of framework of Sewing machines, being distinguished into first confined chamber that oil storage tank is housed in the framework and accommodating the structure (for example with reference to patent documentation 1) of second confined chamber of the base portion of said parts.Patent documentation 1 is used for overseam sewing machine needle bar mechanism to above-mentioned prior art; In integrally formed, have in first confined chamber of oil storage tank trochoid pump is being set, making lubricating oil to the Sewing machines inner loop by main shaft drives with the head of a part that constitutes framework.
In addition, in second confined chamber, accommodate the base portion of shank, simultaneously, make near opening shank from the fuel feed pump that first confined chamber imports.In addition, said fuel feed pump is made and is tubbiness and accepts the lubricating oil in first confined chamber, disperse, makes lubricating oil dirty naturally and shank that leads in second confined chamber.
In addition, as the mechanism that supplies with moderate lubrication oil to the position of essential fuel feeding such as described shank fuel feeding chamber, known being constructed as follows now; Promptly; To be connected on the oil groove (oil storage tank) with the non-fluid supply apparatus of action linkedly of the main shaft of Sewing machines, the cylindrical shell of the lubricating oil importing hollow of supplying with from this fluid supply apparatus, simultaneously; Make the piston action that can in cylindrical shell, move back and forth with driving mechanism, from the vaporific lubricating oil (for example with reference to patent documentation 2) of outlet generation of cylindrical shell.
[patent documentation 1] (Japan) real fair 6-10955 communique (4-5 page or leaf)
[patent documentation 2] (Japan) spy opens flat 11-57269 communique (the 1st figure)
But; In patent documentation 1 in the disclosed prior art; Because to the fuel feeding of second confined chamber is to accept guiding and disperse and carry out to the lubricating oil of first confined chamber through be tubbiness with fuel feed pump, its fuel delivery is because individual difference XOR rotating speed (speed) difference of Sewing machines causes instabilities.Therefore, for sintering or the abrasion that prevent shank, have to set greatlyyer than the amount of real needs to the fuel delivery of second confined chamber, the result is easy to generate leakage of oil, must outside arm (framework), oil-releasing mechanism be set in addition.
For the solve problem of stating; For example wait to connect outlet from trochoid pump with pipe under the situation of said fuel feed pump; Because trochoid pump provides the oil supply of Sewing machines inner body, its fuel delivery is very big, and is extremely difficult the lubricating oil of desirable trace second confined chamber that leads.
If be suitable for disclosed prior art in the patent documentation 2; Though then can supply with the lubricating oil of requirement to second confined chamber; But disclosed fueller is complicated and big specification in the patent documentation 2, and existence causes expensive and can not be housed in the inner problem of Sewing machines.
Summary of the invention
Therefore, problem of the present invention is to provide a kind of fueller of Sewing machines, and it can carry at the inner lubricating oil from necessary trace to second confined chamber that also can stably supply with of Sewing machines with simple formation.
In order to solve said problem, the fueller of Sewing machines of the present invention comprises: first confined chamber with being communicated with oil storage tank that in the framework of Sewing machines, form, be rotatably supported in main shaft on the framework, be fixed on first worm screw on the main shaft, be fixed on first pump shaft and first worm gear that engages with first worm screw, be provided with first pump of first housing of rotatably support first pump shaft; Through rotation first pump shaft is rotated, supplies with first confined chamber to the lubricating oil of oil storage tank, in the fueller of above-mentioned Sewing machines, it is characterized in that by first pump with main shaft,
Fixing second worm screw of rotating on first pump shaft with first pump shaft; Dispose second pump in abutting connection with ground with first pump, second pump has: form second housing of the pump housing of second pump, rotationally insert lead in second housing and make the action of second pump second pump shaft, be fixed on second worm gear that engage with second worm screw on second pump shaft, the Oil Guide mechanism in second confined chamber that the lubricating oil of supplying with from second pump leads and first confined chamber distinguishes.
In addition, can implement special surface on the surface of the slide unit in being contained in said second confined chamber handles.
According to the present invention, can constitute very simple and compactly can be in second confined chamber second pump of lubricating oil of stable supplying trace, and carry at Sewing machines inner.
In addition, handle, can prevent abrasion, the sintering of this slide unit through special surface is implemented on the surface that is housed in the slide unit in second confined chamber.
Description of drawings
Fig. 1 is the biopsy cavity marker devices front view that has been suitable for overseam Sewing machines of the present invention.
Fig. 2 is the left surface cutaway view of the major part of this Sewing machines of expression.
Fig. 3 is (a) summary section plan, (b) summary left surface cutaway view of major part of the fueller of expression Sewing machines of the present invention.
Fig. 4 is the right flank cutaway view of the structure major part of expression second pump.
Fig. 5 is (a) vertical view, the B-B biopsy cavity marker devices right hand view of (b) Fig. 5 (a) of structure of second housing of expression second pump.
Fig. 6 is (a) left surface figure, the C-C cutaway view of (b) Fig. 6 (a) of structure of second pump shaft of expression second pump.
Fig. 7 is an exploded perspective view of going up lopping device mechanism.
Fig. 8 is the major part right hand view of a do action of expression second pump.
Fig. 9 is the left surface figure of another embodiment of the present invention (a) second pump shaft, the vertical view of (b) second housing.
The concept map of the relation of the fuel delivery of Figure 10 lubricating oil that to be expression supply with to second confined chamber and the sliding mode of last lopping device seat.
Figure 11 is another embodiment to the path of second confined chamber guiding lubricating oil.
Description of reference numerals
1 framework; 2 main shafts; 3 oil storage tanks; 4 first confined chambers; 5 first pumps; 6 first housings; 7 first worm screws; 13 fuel feed pumps; 20 second confined chambers; 25 first worm gears; 26 first pump shafts; 27 second worm screws; 29 first taps; 30 second pumps; 31 second pump shafts; 32 second housings; 34 second worm gears; 35 oil guide pipes; 36 leaf springs; 37 pins; 38 carrier pipes; 39 delivery hoses; 46 oil guiding holes; 47 taps; 48 pins are used through hole; 49 through holes; 50 second taps; The 50a cross-drilled hole; 50b indulges the hole; 55 eccentric parts; The 55a slot part; The 55as initial point; The 55ae terminal point; 60 oily reception rooms.
The specific embodiment
Below, according to the description of drawings embodiments of the invention.Fig. 1 is the front view that biopsy cavity marker devices has represented to be suitable for overseam Sewing machines of the present invention.Fig. 2 is the partial sectional view of major part of fueller of seeing the Sewing machines of Fig. 1 from left surface.In addition, in Fig. 1, omit the cover 8 that is located at second confined chamber, 20 fronts, the expression internal mechanism.
Be formed in first confined chamber 4 in the framework 1 with oil storage tank 3, horizontal arrangement main shaft 2 is rotatably supported on the framework 1 with being communicated with.In the place ahead of framework 1, second confined chamber 20 and first confined chamber 4 are distinguished to turn up the soil and are provided with continuously, cover the front of second confined chamber 20 with cover 8.Main shaft 2 is not attached on the lopping device axle 9 through there being the illustrated known lopping device driving mechanism of going up.Last lopping device axle 9 levels and with main shaft 2 quadrature ground configurations, can swingingly be bearing on the framework 1 around axle.One end of last lopping device axle 9 is outstanding to second confined chamber.Bar 11 is configured in second confined chamber 20, and its cardinal extremity is fixed on a said end of going up lopping device axle 9 with bolt 28, and simultaneously, front end is connected mutually with the furcation 14a of last lopping device seat 14 through connecting pin 12 rotationally.Connecting pin 12 is hollow forms of both ends open, and wick 56 inserts its hollow.
Last lopping device pedestal 17 is configured in framework 1 front, second confined chamber top, is fixed on the framework 1 with screw 18,18.Cross-drilled hole 17a that connects before and after on last lopping device pedestal 17, forming and the vertical hole 17b that connects up and down with this cross-drilled hole 17a orthogonal ground, in cross-drilled hole 17a can around axle swingingly intercalation drum on lopping device seat guider 16.In addition, like Fig. 2, shown in Figure 7, the front that reaches lopping device seat guider 16 at last lopping device pedestal 17 is equipped with lopping device base cover 19.As shown in Figure 7, on last lopping device seat guider 16, lopping device seat is with through hole 16a and wick patchhole 16b in the formation, and wick 57 is inserted among the wick patchhole 16b.The last lopping device seat of the vertical hole 17b of lopping device pedestal 17, last lopping device seat guider 16 is given prominence to the upper end of through hole 16a from last lopping device seat guider with through hole 16a, wick 57 in the axial region 14b perforation of last lopping device seat 14.Lopping device 15 is installed in upper end at last lopping device seat 14.
In addition; For the last lopping device seat that improves slip 14 and go up abrasion performance, the sintering resistance of lopping device seat guider 16, hope the axial region 14b of last lopping device seat 14 and on ceramic overlay film such as formation titanium nitride or DLC (diamond-like-carbon) overlay film etc. on the outer peripheral face of lopping device seat guider 16.In the present embodiment, the axial region 14b of last lopping device seat 14 and on form on the outer peripheral face of lopping device seat guider 16 by Cr layer, Cr-WC inclination alloy-layer, contain the DLC overlay film that the sequential lamination of the DLC layer of W forms.
According to above-mentioned formation; When the rotation with main shaft 2 makes lopping device axle 9 linkedly when axle is swung; The bar 11 that is fixed on the lopping device axle 9 moves up and down, and the last lopping device seat 14 that links with bar 11 fascinates along with the swing of last lopping device seat guider 16 and led with through hole 16a and go up and down by last lopping device seat.
Like Fig. 1, shown in Figure 2, first worm screw, 7 usefulness screws 44 are fixed on the main shaft 2.First pump 5 is known trochoid pumps, and the installation portion 6a that forms first housing 6 of the pump housing is fixed on the framework 1.First pump shaft 26 is bearing on first housing 6 with can rotate around the axis, and top is outstanding from first housing 6.First worm gear, 25 usefulness screws 41 are fixed on the abutment face 26a on the top that is formed at first pump shaft 26, simultaneously, engage with first worm screw 7.When with the rotation of main shaft 2 linkedly first worm screw 7, first worm gear 25, when first pump shaft 26 rotates, then because known pumping action, the lubricating oil of oil storage tank 3 is taken in first pump 5, discharges from first tap 29, is supplied in first confined chamber 4.
Then, according to Fig. 1 to Fig. 6 the second pump machanism P is described.Second worm screw 27 is installed on first pump shaft 26 of first pump 5, locatees on the top of first housing 6 and the bottom of first worm gear 25.On first pump shaft 26, form through the axle center of first pump shaft 26 and with the engagement pin of axis quadrature and both ends open and use through hole 26b, engagement pin with through hole 26b in so that the mode intercalation that give prominence to from the outer peripheral face of first pump shaft 26 at two ends has engagement pin 45 cylindraceous.On the other hand; Up/down perforation ground forms that the axle identical with first pump shaft, 31 diameters is set up in parallel with through hole 27a with through hole 27a and with axle and the engagement pin that supplies engagement pin 45 to engage is used keyway 27b in second worm screw 27, second worm screw 27 under the state that engagement pin engages with keyway 27b and engagement pin 45 intercalation in first pump shaft 26.That is, second worm screw 27 is fixed on first pump shaft 26 horizontally rotating direction.
Form second housing 32 of the pump housing of second pump 30,, be fixed on first housing 6 with screw 23,23 at the left of first pump shaft 26.Second housing 32 is made also littler than first housing, 6 sizes, can dispose with first pump, 5 adjacency.Through hole 49 connects second housing 32 in the horizontal direction and forms.The two ends of second pump shaft 31 are given prominence to and are inserted with can rotate around the axis from the opening of through hole 49 and lead to; Second worm gear 34 with state that second worm screw 27 engages under be fixed on the one of which end with screw 42; With screw 43 retaining collars 33, limit the moving of axis direction of second pump shaft 31 at its other end.As shown in Figure 6, on the part of the outer peripheral face of second pump shaft 31, form eccentric part 55.In eccentric part 55, striding the formation of half cycle ground along the direction of rotation of second pump shaft is the slot part 55a that the groove of d constitutes by width.Shown in Fig. 6 (b), it is the ellipticity of major diameter (diameter of second pump shaft 31) that the section configuration of the direction of rotation of slot part 55a is with initial point 55as, terminal point 55ae.Slot part 55a intercalation is in second housing 32, and forming and accommodating the volume that is taken into the lubricating oil in this second housing 32 is the oily reception room 60 of V.
Like Fig. 4, shown in Figure 5, in second housing 32, be provided with oil guiding hole 46, tap 47, pin with the through hole 48 and second tap 50.One end of tap 47 is in through hole 49 upper sheds of second housing 32, and the other end is in the 32b upper shed of the inclined plane of second housing 32.One end of oil guiding hole 46 is at the opening midway of tap 47, other end vertical plane 32a upper shed at the rear of second housing 32.Joint 51 is threaded over the said other end of oil guiding hole 46.Oil guide pipe 35 guiding of tubulose are from the part of the lubricating oil of first tap, 29 discharges of first pump, and the one of which end is connected on the joint 51.Promptly; With the rotation interlock of main shaft 2, second pump shaft 31 of through hole 49 and the intercalation that the through hole 51a of the part of the lubricating oil of discharging from first pump through joint 51, oil guiding hole 46, the tap 47 that is communicated with oil guiding hole 46 are directed to second housing 32 to this through hole 49.The said other end of excess electron excess fraction through tap 47 that guides in the lubricating oil in second housing 32 of second pump 30 is discharged to outside second housing 32, at this moment, is mixed in tiny dust in the lubricating oil etc. and also is discharged from the lump.
Pin is positioned at tap 47 nearby with through hole 48, and an end is at through hole 49 split sheds of second housing 32, and the other end is at the upper surface 32c of second housing 32 opening.Pin 37 can be inserted up or down in through hole 48 at pin and lead to.Pin 37 diameter forms to such an extent that equate with the width d of the slot part 55a of the eccentric part 55 that on second pump shaft 31, forms, and selling does not have the mode that the gap engages with through hole 49 with pin 37 lower ends and this slot part 55a and locate.Leaf spring 36 is to be used for flexibly pushing downwards the i.e. mechanism of eccentric part 55 sides of second pump shaft 31 to pin 37, and its cardinal extremity is fixed on second housing 32 by joint 51, and simultaneously, the upper end of front end and pin 37 is butt flexibly.
The tap 47 that oil guiding hole 46 is communicated with, pin be with through hole 49 side openings of the cross-drilled hole 50a of through hole 48, second tap 50 eccentric part 55 in the face of second pump shaft 31, simultaneously, inserts the first half of second pump shaft 31 that leads in through hole 49 and institute and locate.This configuration is used for when second pump shaft 31 of second pump 30 rotates, and the cross-drilled hole 50a of the slot part 55a of tap 47, eccentric part 55, second tap 50 is not communicated with under the state that pin 37 is not set.
In the face of the fueller of above such Sewing machines that constitutes its effect is described down.When main shaft 2 being rotated with the drive source that does not have an illustrated Sewing machines, through first pump shaft 26 and main shaft 2 interlocks being rotated by first worm screw 7, first worm gear 25,5 actions of first pump.Through the action of first pump 5, the lubricating oil of oil storage tank 3 is taken into first pump 5, is discharged by first tap 29, and lubricated first confined chamber 4 everywhere.A part that supplies to the lubricating oil in first confined chamber 4 imports in the tap 47 through oil guide pipe 35, joint 51, oil guiding hole 46.
Then, serving as the basis with Fig. 2, Fig. 8 describes the action of a circulation of second pump 30.In addition, Fig. 8 (b) is identical with Fig. 8 (a) to each position shown in Fig. 8 (d), so the clipped Reference numeral.When first pump shaft 26 rotates linkedly with the rotation of main shaft 2, second pump shaft 31 is rotated around direction of principal axis R (being seen as counterclockwise from the left surface of Sewing machines) via second worm screw 27, second worm gear 34.
Shown in Fig. 8 (a), when second pump shaft 31 rotates, the initial point 55as of the slot part 55a of eccentric part 55 is during through pin 37, more lean on the position at rear at the ratio pin 37 of oily reception room 60, the lubricating oil that is imported into tap 47 is filled in the oily reception room 60.When second pump shaft 31 further rotates, the terminal point 55ae of slot part 55a when the pin 37, shown in Fig. 8 (b), oily reception room 60 is whole to be communicated with tap 47, is filled in the oily reception room 60 with the lubricating oil of the volume V equivalent of oily reception room 60.In addition, shown in Fig. 8 (c), before the initial point 55as of slot part 55a arrives pin 37 once more, in oily reception room 60, still keep the lubricating oil of volume V, second pump shaft 31 rotates.Shown in Fig. 8 (d); When the initial point 55as of slot part 55a arrives 31 rotations of pin 37 and then second pump shaft; The lubricating oil that is filled in the oily reception room 60 stops to the pin 37 among the slot part 55a by intercalation seamlessly, along with the pin 37 of the oily rotationally reception room 60 of following second pump shaft 31 nearby the volume of side reduce gradually and the lubricating oil that can not remain in the oily reception room 60 are discharged to the cross-drilled hole 50a of second tap 50.In addition, when the terminal point 55ae of slot part 55a arrives pin 37 once again, remain on the lubricating oil of the volume V in the oily reception room 60, all the cross-drilled hole 50a to second tap 50 discharges.
Be transported in the fuel feed pump 13 via the carrier pipe 38 of intercalation in vertical hole 50b, the delivery hose 39 that is connected with carrier pipe 38 to lubricating oil that the cross-drilled hole 50a of second tap 50 discharges, ooze out in importing second confined chamber 20 from the perforate 13a of fuel feed pump 13.The lubricating oil that is oozed out by perforate 13a contacts with the rear end face of connecting pin 12, and one of which portion is drawn to the wick 56 in the connecting pin 12 by intercalation, the sliding surface of the furcation 14a of lubricated connecting pin 12 and last lopping device seat 14.The lubricating oil that is not drawn by wick 56 disperses in second confined chamber 20 and nebulizes along with the up-down of last lopping device seat 14; Its part is attached to the axial region 14b of last lopping device seat 14 and go up the lower surface of lopping device seat guider 16, the lubricated respectively sliding surface of going up the sliding surface of lopping device seat guider 16 and last lopping device seat 14 and going up lopping device seat guider 16 and last lopping device pedestal 17.Have neither part nor lot in the lubricated lubricating oil of said each sliding surface, transmit downwards and turn back to oil storage tank 3 at the inwall of second confined chamber 20 at once by outlet 21.
According to above such second pump machanism P that constitutes, if the number of hypothesis first worm screw 7, second worm screw 27 is a1, a2, the number of teeth of first worm gear 25, second worm gear 34 is b1, b2, and then the speed reducing ratio of second pump shaft, 31 relative main shafts 2 is a1*a2/b1*b2.Set a1＜b1, a2＜b2 in the present embodiment for, and compare with the pump shaft that one group of worm screw, worm gear link from main shaft, second pump shaft, 31 relative main shafts 2 can obtain very large speed reducing ratio.That is, second pump 30 and main shaft 2 interlocks can be discharged the extremely lubricating oil of trace simultaneously.
In addition, second pump 30 is made extremely simply structure, for example, is that the pressure loss is very little in contrast to this under the situation of trochoid pump at first pump, and then obtains forming the machining accuracy of slot part 55a of the part of the oily reception room 60 that is taken into lubricating oil easily.That is, can make the not only miniaturization but also guarantee high discharge rate precision of second pump 30.In addition, as above-mentioned second pump 30 can be in first confined chamber 4 with first pump 5 in abutting connection with ground compact arrangement.
Figure 10 is the concept map of relation of sliding mode of fuel delivery and the last lopping device seat 14 of the expression lubricating oil that is supplied to second confined chamber 20, on transverse axis, gets the rotating speed of main shaft 2, on the longitudinal axis, is orientated the fuel delivery of second confined chamber 20.Dotted line La representes the threshold value of leakage of oil, and the top of threshold value La is the zone that takes place from the leakage of oil of last lopping device seat 14.Chain-dotted line Lb representes to wear and tear, the threshold value of sintering, and the below of threshold value Lb is the zone that in last lopping device seat 14, produces abrasion, sintering.Therefore; Fuel delivery hopes to be located at the threshold value La that representes with solid line L and the interposition of threshold value Lb; But checking according to the applicant; The fuel delivery of being represented by solid line L is a denier, if existing oil supply mechanism promptly only is provided with the situation of first pump 5 in the present embodiment, is second confined chamber 20 that stably led by the fuel delivery shown in the solid line L very difficult.Design second pump 30 of present embodiment through the slow down volume V of when oily reception room 60 of suitable setting, can supply with along the fuel delivery of the solid line L of Figure 10 to second confined chamber.In addition, if abrasion performance, overlay film that sintering resistance is good are set on the outer peripheral face of last lopping device seat 14 as present embodiment, then threshold value Lb drops to threshold value Lb ', has improved abrasion performance, the sintering resistance of last lopping device seat 14.
The applicant to the overseam Sewing machines of present embodiment after setting 1/10th of existing fuel delivery to the fuel delivery of second confined chamber 20 for and implementing long duration test, the overseam Sewing machines of long duration test surpass 1000 hours during not have generation from lopping device seat 14 leakage of oil and on abrasion, sintering and the intact running of lopping device seat 14.
Second pump of the present invention is not limited to the structure of present embodiment, for example also can be known plunger displacement pump that in the rotation of second pump shaft, moves etc.In addition; The lubricating oil of discharging from second pump 30 is in the present embodiment imported in second confined chamber 20 by the fuel feed pump 13 that is connected on the delivery hose 39; But also can on the framework 1 be designed to through hole 63 (with reference to Figure 11) end at first confined chamber, 4 split sheds and the other end on lopping device seat guider 16 the back side, insert and lead to wick 57 (with reference to Figure 11) opening among the wick patchhole 16a, make delivery hose 39 be connected an end of said through hole 63.And then, also can in the shank chamber 61 of the base portion of accommodating shank 61, be suitable for the pump machanism P of present embodiment.
In the present embodiment, on second pump 30, be provided with the single pump machanism of an outlet (second tap 50) is housed, but can make a plurality of pump machanism coexistences.If it is as shown in Figure 9; In the scope that the second pump shaft side opening of tap 47 is faced, on second pump shaft 31, be set up in parallel the eccentric part 55 with slot part 55a, second eccentric part 65 with slot part 65a; Shown in Fig. 9 (b); Sell with through hole 68, the 3rd tap 70 if be provided with second, then two pump machanisms self contained function separately in second pump 30 with second eccentric part 65 with being communicated with.If use second pump 30 of other embodiment that constitute like this, then can make a plurality of confined chambers, second confined chamber 20, shank chamber 61 fuel feeding separately separately for example.
Claims (2)
1. the fueller of a Sewing machines, the fueller of this Sewing machines possesses: be formed on first confined chamber in the framework of Sewing machines with oil storage tank with being communicated with, can be bearing in main shaft on the framework rotationally, be fixed on first worm screw on the main shaft, be fixed on first pump shaft and first worm gear that engages with first worm screw, be provided with first pump of first housing that can support first pump shaft rotationally; Through rotation first pump shaft is rotated, the lubricating oil of oil storage tank is supplied to first confined chamber by first pump with main shaft; It is characterized in that,
Fixing second worm screw of rotating on first pump shaft with first pump shaft; Dispose second pump in abutting connection with ground with first pump, second pump possesses: form the pump housing of second pump second housing, can insert rotationally lead in second housing and make second pump action second pump shaft, be fixed on second pump shaft and second confined chamber that second worm gear that engage with second worm screw, the lubricating oil guiding that will supply with from second pump and first confined chamber distinguish in Oil Guide mechanism.
2. the fueller of Sewing machines as claimed in claim 1 is characterized in that, on the surface of the slide unit that is arranged in said second confined chamber, implements special surface and handles.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-126158 | 2008-05-13 | ||
| JP2008126158 | 2008-05-13 | ||
| JP2008126158A JP5184961B2 (en) | 2008-05-13 | 2008-05-13 | Sewing machine oiling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101581017A CN101581017A (en) | 2009-11-18 |
| CN101581017B true CN101581017B (en) | 2012-08-22 |
Family
ID=41363326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101405945A Expired - Fee Related CN101581017B (en) | 2008-05-13 | 2009-05-12 | Oil feeding device for sewing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5184961B2 (en) |
| CN (1) | CN101581017B (en) |
| TW (1) | TWI458873B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5303410B2 (en) * | 2009-09-18 | 2013-10-02 | ペガサスミシン製造株式会社 | Sewing machine oiling equipment |
| JP5524677B2 (en) * | 2010-03-31 | 2014-06-18 | ペガサスミシン製造株式会社 | Sewing machine oiling equipment |
| JP5496039B2 (en) * | 2010-09-27 | 2014-05-21 | 株式会社クボタ | Engine transmission case sealing device |
| CN106222903A (en) * | 2016-09-08 | 2016-12-14 | 苏州市众禾缝纫科技有限公司 | A kind of sewing machine directly drive plunger oil pump |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797404Y (en) * | 2005-05-01 | 2006-07-19 | 丁永生 | High-head sewing machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6340225Y2 (en) * | 1985-07-31 | 1988-10-20 | ||
| JPH0610955Y2 (en) * | 1988-04-01 | 1994-03-23 | ペガサスミシン製造株式会社 | Forced lubrication type overlock sewing machine |
| JPH0646684U (en) * | 1992-12-08 | 1994-06-28 | ジューキ株式会社 | Sewing machine parts |
| JP4100555B2 (en) * | 2002-12-11 | 2008-06-11 | ペガサスミシン製造株式会社 | Oil drainer of upper looper mechanism in overlock sewing machine |
| JP2006158825A (en) * | 2004-12-10 | 2006-06-22 | Pegasus Sewing Mach Mfg Co Ltd | Looper organization of sewing machine |
-
2008
- 2008-05-13 JP JP2008126158A patent/JP5184961B2/en active Active
-
2009
- 2009-05-12 CN CN2009101405945A patent/CN101581017B/en not_active Expired - Fee Related
- 2009-05-12 TW TW098115618A patent/TWI458873B/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2797404Y (en) * | 2005-05-01 | 2006-07-19 | 丁永生 | High-head sewing machine |
Non-Patent Citations (4)
| Title |
|---|
| JP实公平6-10955Y2 1994.03.23 |
| JP特开2003-245488A 2003.09.02 |
| JP特开2004-166737A 2004.06.17 |
| JP特开平11-57269A 1999.03.02 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5184961B2 (en) | 2013-04-17 |
| JP2009273573A (en) | 2009-11-26 |
| CN101581017A (en) | 2009-11-18 |
| TW201002898A (en) | 2010-01-16 |
| TWI458873B (en) | 2014-11-01 |
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