CN202466159U - Sewing machine - Google Patents
Sewing machine Download PDFInfo
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- CN202466159U CN202466159U CN2011205539231U CN201120553923U CN202466159U CN 202466159 U CN202466159 U CN 202466159U CN 2011205539231 U CN2011205539231 U CN 2011205539231U CN 201120553923 U CN201120553923 U CN 201120553923U CN 202466159 U CN202466159 U CN 202466159U
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Abstract
The utility model aims at providing a sewing machine capable of preventing a drive mechanism inside an engine arm of a sewing machine main body from sintering. The sewing machine is provided with a plunger pump disposed inside a bearing portion of a lower rotating shaft. The plunger pump provides lubricating oil inside a fuel tank to a hole disposed inside an upper rotating shaft through a second supply way along with rotation of the lower rotating shaft. The lubricating oil provided to the hole reaches a gear disposed on the upper rotating shaft. The lubricating oil reaching the gear can restrain heating generated from friction caused by the rotation of the gear of the upper rotating shaft together with the gear of a connecting rotating shaft, and therefore the sintering can be avoided.
Description
Technical field
The utility model relates to a kind of Sewing machines that uses pump lubricating oil to be supplied to the inner mechanism of Sewing machines.
Background technology
Known have a kind of Sewing machines, uses to be located at the inner pump of sewing machine main body and to supply with the lubricating oil that the mechanism in the horn portion of sewing machine main body is lubricated.
For example Japanese Patent Laid discloses the Sewing machines that 2002 No. 224484 communiques put down in writing and on the bearing of the driving shaft that supports shuttle, is provided with plunger displacement pump.Plunger displacement pump draws lubricating oil from fuel tank under the driving of Sewing machines, and lubricating oil is supplied to shuttle.The part that plunger displacement pump will supply to the lubricating oil of shuttle supplies to the fuel feeding place in the horn portion via supplying with the road.Fuel feeding place in the horn portion for example is meant the transmission mechanism that the driving force of Sewing machines is delivered to needle bar mechanism, cloth feeding mechanism etc.Supply with the road within it portion insert and be connected with wick, utilize the capillarity of wick that lubricating oil is supplied to the fuel feeding place in the horn portion.
Wick in the Sewing machines utilization supply road that above-mentioned communique is put down in writing will supply to the part of the lubricating oil of shuttle and supply with towards the fuel feeding place in the horn portion, and therefore, flow rate of lubricating oil is less.Especially, the fuel feeding place is that the load of transmission mechanism is bigger, needs lubricating oil.Therefore, Sewing machines may be at transmission mechanism generation sintering.
The utility model content
The purpose of the utility model is to provide the Sewing machines of the transmission mechanism sintering in a kind of horn portion that can prevent sewing machine main body.
The Sewing machines of technical scheme 1 comprises: pedestal part; The oil supply source, this oil supply source is located at above-mentioned pedestal part, stores lubricating oil; Pump, this pump use the driving force that produces along with the driving of motor of sewing machine to draw above-mentioned lubricating oil from above-mentioned oily supply source; And the supply road, this supply road is connected above-mentioned oily supply source with said pump, supply said pump to flow from the above-mentioned lubricating oil that above-mentioned oily supply source draws; In this Sewing machines; Said pump will supply to shuttle via the above-mentioned lubricating oil that draw on above-mentioned supply road, it is characterized in that, comprise: go up axle; Should go up axle and rotate, and be formed with cross-drilled hole along axis direction along with the driving of above-mentioned motor of sewing machine; Transmission mechanism, this transmission mechanism are located at the above-mentioned axle of going up, and the above-mentioned rotary driving force of going up axle is delivered to driving mechanism; The hole, this hole is connected the above-mentioned above-mentioned cross-drilled hole of going up axle with above-mentioned outside of going up axle, and is located at the position corresponding with above-mentioned transmission mechanism; And stream, this stream is connected said pump with the above-mentioned above-mentioned cross-drilled hole of going up axle, and in this Sewing machines, the above-mentioned lubricating oil that makes said pump supply to above-mentioned shuttle is branched off into above-mentioned stream, and supplies to above-mentioned transmission mechanism via above-mentioned cross-drilled hole, above-mentioned hole.
In above-mentioned Sewing machines, pump will supply to shuttle from the lubricating oil that oily supply source draws.The lubricating oil that pump will supply to shuttle directly supplies to the cross-drilled hole of axle via stream.The load of transmission mechanism of being located at axle is bigger, needs lubricated.Lubricating oil in the cross-drilled hole of last axle flows out towards the outside from being located at the hole of going up axle of transmission mechanism correspondence position, and transmission mechanism is lubricated.Sewing machines directly supplies to the inner cross-drilled hole of axle with the lubricating oil of high pressure from pump, and from the hole of being located at axle lubricating oil is supplied to transmission mechanism.Therefore, the sintering of the sewing function transmission mechanism that prevents to be located at spool.
In the Sewing machines of technical scheme 2, above-mentioned driving mechanism has the rotating shaft of the lower shaft rotation that driving supports above-mentioned shuttle, and above-mentioned transmission mechanism is the gear with the gears engaged of being located at above-mentioned rotating shaft.The gear of being located at axle is easy to generate friction when the gear of rotating shaft rotates.Sewing machines supplies to the cross-drilled hole of axle with the lubricating oil of high pressure from pump, so can the lubricating oil of sufficient quantity be supplied to the gear of axle from the hole via cross-drilled hole.Therefore, the sintering of the gear that prevents spool of sewing function when the gear of rotating shaft rotates.
In the Sewing machines of technical scheme 3, said pump is located at the position of leaving above-mentioned oily supply source, and is located at the lower bearing portion that supports above-mentioned lower shaft.Be not located at the lower bearing portion that supports lower shaft because pump is located near the oily supply source, therefore can enlarge oily supply source space on every side.Therefore, the sewing function increases the capacity of the lubricating oil that is contained in oily supply source.
In the Sewing machines of technical scheme 4～6; Also comprise an above-mentioned upper bearing (metal) portion that supports of going up; Above-mentioned upper bearing (metal) portion comprises the dead eye that the foreign side with above-mentioned upper bearing (metal) portion is connected with inner peripheral surface, and the above-mentioned axle of going up comprises the intercommunicating pore that is connected with above-mentioned cross-drilled hole and is communicated with the inner peripheral surface of above-mentioned upper bearing (metal) portion, and above-mentioned dead eye can be connected with above-mentioned stream in foreign side's side of above-mentioned upper bearing (metal) portion; And when axle rotated on above-mentioned, above-mentioned dead eye can be communicated with above-mentioned intercommunicating pore in above-mentioned inner peripheral surface side.Sewing machines supplies to cross-drilled hole from the dead eye of the upper bearing (metal) portion that supports axle via the intercommunicating pore of last axle with lubricating oil.Therefore, the sewing function easily in the future the lubricating oil of self-pumping supply to the axle of going up of rotation via stream.
In the Sewing machines of technical scheme 7, above-mentioned oily supply source is the fuel tank that can accommodate above-mentioned lubricating oil, and above-mentioned fuel tank comprises: periphery wall, and this periphery wall forms peristome; The bottom, this bottom is relative with above-mentioned peristome; Subtend wall, this subtend wall are arranged between the inboard of above-mentioned periphery wall, above-mentioned peristome and the above-mentioned bottom and to leave the position of above-mentioned bottom relative with above-mentioned bottom, and it is the wall portion that can accept the above-mentioned lubricating oil that supplies to above-mentioned transmission mechanism; And hole portion, above-mentioned subtend wall is being run through from the direction of above-mentioned peristome towards above-mentioned bottom in this hole portion.The oil supply source is fuel tank can be taken in the mechanism that is used for lubricated Sewing machines in the space between bottom and the subtend wall a lubricating oil.The lubricating oil that falls from Sewing machines inside after being used for lubricating falls towards the subtend wall through peristome.The logical via portion of lubricating oil that falls to the subtend wall is accumulated in the space between bottom and the subtend wall.Therefore, when Sewing machines vibrated, the subtend wall energy prevented that lubricating oil from leaking towards the outside from peristome.Therefore, the sewing function prevents that oil leak from arriving the outside of fuel tank.
Description of drawings
Fig. 1 is the front view of Sewing machines 1.
Fig. 2 is the stereogram of internal structure of outward appearance and the pedestal part 21 of Sewing machines 1.
Fig. 3 is the stereogram of the internal structure of Sewing machines 1.
Fig. 4 is that the I-I alignment of Fig. 2 is looked cutaway view.
Fig. 5 is near the partial sectional view uprights 22 upper ends.
Fig. 6 is the stereogram of fuel tank 10.
Fig. 7 is the stereogram of fuel tank 10.
Fig. 8 is the plane of fuel tank 10.
Fig. 9 is that the V-V alignment of Fig. 8 is looked cutaway view.
Figure 10 is that the VI-VI alignment of Fig. 8 is looked cutaway view.
Figure 11 is that the II-II alignment of Fig. 4 is looked cutaway view.
Figure 12 is that the III-III alignment of Fig. 4 is looked cutaway view.
Figure 13 is that the IV-IV alignment of Fig. 4 is looked cutaway view.
The specific embodiment
Describe with reference to the embodiment of accompanying drawing the utility model.The paper upside of Fig. 1, downside, right side, left side, paper face side, paper rear side are respectively upside, downside, right side, left side, front side, the rear sides of Sewing machines 1.
With reference to Fig. 1, Fig. 2, the overall structure of Sewing machines 1 is carried out diagrammatic illustration.Like Fig. 1, shown in Figure 2, Sewing machines 1 comprises pedestal part 21, uprights 22, horn portion 23.Pedestal part 21 is extended along left and right directions.Pedestal part 21 is located on the workbench (not shown).Pedestal part 21 comprises the fuel tank 10 of accommodating lubricating oil, rotating shuttle 46 etc.Uprights 22 is extended towards the top from the right-hand member of pedestal part 21.Horn portion 23 extends towards left from the upper end of uprights 22.Horn portion 23 is relative with pedestal part 21.
With reference to Fig. 3～Fig. 5, the internal structure of Sewing machines 1 is described.As shown in Figure 3, Sewing machines 1 comprises rotating shaft 31, links rotating shaft 33, lower rotary shaft 36 etc.Last rotating shaft 31 is extended along left and right directions in horn portion 23 (with reference to Fig. 1).Linking rotating shaft 33 extends in uprights 22 (with reference to Fig. 1) along the vertical direction.Lower rotary shaft 36 extends along left and right directions in pedestal part 21 (with reference to Fig. 1).
Motor of sewing machine (not shown) is located at rotating shaft 31 right-hand members.Last rotating shaft 31 is rotated along with the driving of motor of sewing machine.Bearing portion 47 partly supports rotating shaft 31 on this in the left and right directions substantial middle of last rotating shaft 31.As shown in Figure 5, horn portion 23 is fixed in bearing portion 47.Last rotating shaft 31 has hole 25 and hole 24.Hole 25 is the locating holes that are formed at the axis direction of rotating shaft 31.Extend in last rotating shaft 31 towards right-hand from the position corresponding with the left and right directions central portion of bearing portion 47 in hole 25.Hole 24 is connected with the left part in hole 25, and is communicated with the inner peripheral surface of bearing portion 47.Bearing portion 47 comprises the hole 471 that foreign side of bearing portion is connected with above-mentioned inner peripheral surface.
Last rotating shaft 31 is at the right-hand gear 32 that comprises umbrella of bearing portion 47.Last rotating shaft 31 has the hole 26 that is communicated with hole 25 near gear 32.Last rotating shaft 31 is fixed in the right side of bearing portion 47, the left side of gear 32 with crank 17.
Along with motor of sewing machine makes rotating shaft 31 rotations, crank 17 drives cloth feeding mechanism 49.Last rotating shaft 31 has the hole 27 that is communicated with hole 25 at the position of fixed crank 17.Bearing portion 47 has hole 471 in its front side.Hole 471 bearing portion 47 foreign side's sides with after state the second supply road 82 and be connected.Hole 471 can be communicated with hole 24 in the inner peripheral surface side of bearing portion 47 when last rotating shaft 31 is rotated.Particularly, when last rotating shaft 31 was rotated, hole 471 was communicated with hole 24 sometimes.When hole 471 is communicated with hole 24, the lubricating oil that in the second supply road 82, flows from the hole 471 via hole 24 ostiums 25.Flow through lubricating oil 26,27 rotating shafts up, 31 outside outflows from the hole in hole 25 along with the rotation of last rotating shaft 31.The lubricating oil that flows out arrives gear 32, crank 17.
Link the gear 34 that rotating shaft 33 comprises umbrella in the top.Gear 34 meshes with the gear 32 of last rotating shaft 31.Linking rotating shaft 33 rotates along with the rotation of last rotating shaft 31.Link rotating shaft 33 comprises umbrella in its lower end gear 35.The rotary driving force that binding rotating shaft 33 will be gone up rotating shaft 31 is delivered to lower rotary shaft 36.Lower rotary shaft 36 comprises the gear 37 of umbrella at its right-hand member.Gear 37 and the gear that links rotating shaft 33 lower ends 35 engagements.Lower rotary shaft 36 rotates along with the rotation that links rotating shaft 33.
Bearing portion 50 is located at the right side of rotating shuttle 46.That is, bearing portion 50 is located at the position of leaving fuel tank 10.48,50 pairs of lower rotary shafts 36 of bearing portion support.Bearing portion 50 has the through hole 51 (with reference to Fig. 4) that runs through along left and right directions.The diameter of the diameter of through hole 51 and lower rotary shaft 36 is roughly the same.
Bearing portion 50 comprises plunger displacement pump 53 (with reference to Fig. 4).The lubricating oil that plunger displacement pump 53 will be contained in fuel tank 10 sucks via the first supply road 81.Plunger displacement pump 53 is seen the lubricating oil that sucks off towards the second supply road 82.The lubricating oil that plunger displacement pump 53 is seen on the second supply road 82 off supplies to the hole 25 of rotating shaft 31 via the hole 471 of bearing portion 47.
With reference to Fig. 6～Figure 10, fuel tank 10 is described.Fuel tank 10 is formed by translucent resin, and it is fixed in the pedestal part 21 of uprights 22 belows.Fuel tank 10 is positioned at the below of the gear 37 of the gear 35 that links rotating shaft 33 and lower rotary shaft 36.
Diapire 102 comprises first diapire 1021, second diapire 1022.First diapire 1021 is formed in the whole zone of fore-and-aft direction of pedestal part 21, in the form of a substantially rectangular shape.Second diapire 1022 is outstanding towards left from the left side rear end part of first diapire 1021.
The fore-and-aft direction substantial middle of first diapire, 1021 left ends partly is than the recess 1213 of other part towards right-hand member side depression.First diapire 1021 has diapire recess 1212 at the lower surface of recess 1213 rear sides of first diapire 1021.Diapire recess 1212 from first diapire, 1021 lower surfaces towards the top rectangular-shaped depression.Magnet (not shown) embeds diapire recess 1212 from the outside of fuel tank 10.Magnet with after state the iron powder that contains in the lubricating oil in the lubricating oil resettlement section 12 etc. and be adsorbed onto near the diapire recess 1212.The front-end and back-end, right side of first diapire 1021 are the shape that does not have the angle.
Periphery wall 101 comprises sidewall 1011～1016 etc.Sidewall 1011 is connected with first diapire, 1021 right-hand members.Sidewall 1012 is connected with first diapire, 1021 front ends.Sidewall 1013 is connected with first diapire, 1021 left ends.Sidewall 1014 is connected with first diapire, 1021 rear ends, second diapire, 1022 rear ends.Sidewall 1015 is connected with second diapire, 1022 front ends.Sidewall 1016 is connected with second diapire, 1022 left ends.The height of sidewall 1011,1012,1014 is roughly the same.The height of sidewall 1013,1015,1016 is roughly the same, and be sidewall 1011,1012,1014 height roughly 1/2nd.Sidewall 1013 forms the shape that the left end with first diapire 1021 extends towards vertical, and is formed with recess 1213.As shown in Figure 7, the upper end of the left end portion of sidewall 1012 is outstanding towards left from the pars intermedia of short transverse.The part with sidewall 1014 connects of sidewall 1016 forms the height identical with sidewall 1014.Sidewall 1016 form the height roughly the same than the part of the forward side of fore-and-aft direction central portion with sidewall 1015.
The first subtend wall 113 has accepting hole portion 1131 than the fore-and-aft direction forward side of central authorities and than left and right directions central authorities position on the right side.Accepting hole portion 1131 is positioned at the position of leaving periphery wall 101.The first subtend wall 113 is run through along the vertical direction in accepting hole portion 1131.The first subtend wall 113 comprises from sidewall 1012,1014 towards the accepting hole portion 1131 sides first oblique rake 1132 of square neck down.The lubricating oil that first rake 1132 will fall to the upper surface of the first subtend wall 113 guides towards accepting hole portion 1131.The first subtend wall 113 has the slot part 1133 along accepting hole portion 1131 around accepting hole portion 1131.Slot part 1133 is the grooves that are provided with towards the below from the upper surface of the first subtend wall 113.When lubricating oil moved towards first diapire 1021 through accepting hole portion 1131, slot part 1133 was removed foreign matters such as the dust that contains in the lubricating oil, the end of a thread.The operator can utilize slot part 1133 Laian County's fixed filters (not shown).
The first subtend wall 113 has base portion 112 in its place ahead, left side.The left side that base portion 112 is positioned at sidewall 1013 is recess 1213 formation portions tops.Cylindrical portion 60 erects setting from base portion 112 towards the top.Cylindrical portion 60 has the cylinder hole 601 of inleakage along the vertical direction.Not shown bar member is inserted and is led in cylinder hole 601.The height of the upper end of the height of the upper end of cylindrical portion 60 and sidewall 1011,1012,1014,1017 is roughly the same.
Inner when the below falls along uprights 22 (with reference to Fig. 1) at the lubricating oil that is supplied to gear 32 (with reference to Fig. 3) via the second supply road 82, bearing portion 47,11 pairs of lubricating oil that fall of lubricating oil carrier are accepted.When supply had the gear 32 of lubricating oil to rotate with gear 34, lubricating oil became vaporific sometimes and emits around the court.The vaporific lubricating oil of emitting can disperse in uprights 22.The vaporific lubricating oil in uprights 22 of dispersing drip and towards below when falling, lubricating oil carrier 11 can be accepted the lubricating oil that falls.
First rake 1132 and accepting hole portion 1131 of the upper surface of the first subtend wall 113 of the lubricating oil that supplies to the Sewing machines drive division through being located at lubricating oil carrier 11, and lodge in lubricating oil resettlement section 12.
The sidewall 1012 that forms lubricating oil resettlement section 12 has the front surface hole 1211 that sidewall 1012 is run through in the part that is connected with sidewall 1013.When from the outside lubricating oil being supplied to fuel tank 10, the operator topples over Sewing machines 1, and the flexible pipe (not shown) that lubricating oil is supplied with usefulness inserts front surface hole 1211 and comes supplying lubricating oil.
Rake 1221 is formed between the right side front end and sidewall 1015 of second diapire 1022.When the operator toppled over Sewing machines 1, rake 1221 can prevent fuel tank 10 and knee operating mechanism (not shown) interference.
As stated, because fuel tank 10 utilizes lubricating oil carrier 11 to cover the downside of uprights 22, therefore can utilize lubricating oil carrier 11 to accept the lubricating oil that supplies to gear 32.Therefore, fuel tank 10 can reclaim the lubricating oil that supplies to gear 32 reliably.The lubricating oil that fuel tank 10 can will lodge on the first subtend wall 113, the second subtend wall 114 is accommodated lubricating oil resettlement section 12 via accepting hole portion 1131.When Sewing machines 1 vibration, be contained in the lubricating oil vibration in the lubricating oil resettlement section 12.But, because fuel tank 10 comprises the first subtend wall 113, the second subtend wall 114, therefore, even if the lubricating oil vibration, lubricating oil can not leak into the outside of lubricating oil resettlement section 12 yet.
With reference to Fig. 4, Figure 12, Figure 13, bearing portion 50 is described with periphery.As shown in Figure 4, pedestal part 21 has bearings portion 61.Bearings portion 61 is from cover and spring bearing portion 50 on every side.
Bearing portion 50 has hole portion 52 in the left and right directions substantial middle and by downside.Hole portion 52 extends towards the center from the perisporium of bearing portion 50, and is connected with through hole 51.The downside of portion 52 in the hole of bearings portion 61 has hole portion 66.The downside of hole portion 66 is blocked by embolism (not shown).
Shown in figure 12, plunger displacement pump 53 is located at bearing portion 50 inside.Plunger displacement pump 53 comprises cam 54, plunger 55, spring 56, flows into road 57, flows out road 58.Cam 54 is eccentric cams.Cam 54 is parts of lower rotary shaft 36, is disposed at the top of the hole portion 52 of bearing portion 50 downsides.Plunger 55 is located in the hole portion 52.Spring 56 is located in the hole portion 66, and coupled columns plug 55 carries out the application of force towards the top.
Flowing into road 57 is streams that extend towards the center of bearing portion 50 front side (left side of Figure 12) from the perisporium of bearing portion 50.An end that flows into road 57 is connected with through hole 51.Stream 68 extends towards the top from the lower end of bearings portion 61.The upper end of stream 68 is connected with the other end that flows into road 57.The bottom of stream 68 is connected with the first supply road 81.
Flow out road 58 and be the stream that extends towards the rear side (right side of Figure 12) of perisporium from the center of bearing portion 50.Flow out road 58 in bearing portion 50 towards left (rear side of Figure 12) bending.Further the center position towards bearing portion 50 is crooked to flow out road 58, is connected with the portion that accumulates 59 (with reference to Fig. 4) of the concavity of being located at through hole 51 inwalls.Accumulating portion 59 can accumulate from flowing out the lubricating oil that flow out on road 58.
Accumulate lubricating oil that portion 59 will accumulate and deliver to the outside of bearing portion 50 via not shown stream.This stream extends below 59 courts of the portion of accumulating in bearings portion 61.The lower end of this stream is connected (with reference to Fig. 2) with the second supply road 82.Like Fig. 3, shown in Figure 4, the second supply road 82 in pedestal part 21 from bearings portion 61 towards right-hand extension, and crooked towards the top.Extend towards the top in uprights 22 (with reference to Fig. 2) on the second supply road 82, and be connected with the hole 471 of bearing portion 47 front sides.
As shown in Figure 4, lower rotary shaft 36 portion within it has the 3rd supply road 69.The 3rd supply road 69 is the streams that in lower rotary shaft 36, extend vertically.The right-hand member on the 3rd supply road 69 is connected with the portion of accumulating 59.The left end on the 3rd supply road 69 is connected to the inside of the rotating shuttle 46 (with reference to Fig. 2) of being located at lower rotary shaft 36 left sides.The lubricating oil that the 3rd supply road 69 can will lodge in the portion of accumulating 59 supplies to rotating shuttle 46.
Shown in figure 13, stream 71 extends towards the top from the lower end of bearings portion 61.The upper end of stream 71 is connected with the downside of the lubricating oil slot part 65 of being located at bearings portion 61.The lower end of stream 71 is connected with discharge road 83.Discharge road 83 and be connected (with reference to Fig. 2) with fuel tank 10.
With reference to Figure 12, Figure 13, the driving principle of plunger displacement pump 53 is described.When cam 54 rotated along with the rotation of lower rotary shaft 36, plunger 55 moved towards the below along the cam surface shape.When plunger 55 when move the below, the pressure in the hole portion 52 of bearing portion 50 reduce.Therefore, lubricating oil via the first supply road 81, stream 68, flow into road 57 in fuel tank 10 (with reference to Fig. 2) ostium portion 52.Lubricating oil in the ostium portion 52 arrives the lower rotary shaft 36 of rotation and the slipper between the through hole 51 in the bearing portion 50.Lubricating oil can suppress the heating that the friction because of slipper produces, thereby can prevent sintering phenomenon.
When lower rotary shaft 36 was further rotated, plunger 55 moved towards the top.Plunger 55 is released the lubricating oil in the hole portion 52 towards flowing out road 58.Flow out to the lubricating oil that flows out road 58 and lodge in the portion of accumulating 59 (with reference to Fig. 4).The lubricating oil that plunger 55 is released will lodge in the lubricating oil of the portion of accumulating 59 and see off towards the 3rd supply road 69 (with reference to Fig. 4), the second supply road 82 in the lower rotary shaft 36.See lubricating oil inflow rotating shuttle 46 off to the 3rd supply road 69.Rotating shuttle 46 drives swimmingly.
As shown in Figure 3, see the hole 471 that flows into bearing portion 47 to the lubricating oil on the second supply road 82 off.When hole 471 was communicated with hole 24 along with the rotation of last rotating shaft 31, lubricating oil 471 flowed into the hole 25 of going up in the rotating shaft 31 via hole 24 from the hole.The lubricating oil of ostium 25 is 26 arrival gears 32 from the hole.Sewing machines 1 utilizes above-mentioned path that lubricating oil is supplied to gear 32.The heating that friction when the lubricating oil that supplies to gear 32 can suppress to rotate with gear 34 because of gear 32 produces, thus sintering phenomenon can be prevented.As stated, plunger displacement pump 53 transmission mechanism that can be reliably the lubricating oil that is contained in fuel tank 10 be supplied in the Sewing machines 1 is a gear 32.
A part that arrives the lubricating oil of the slipper between the through hole 51 in lower rotary shaft 36 and the bearing portion 50 leaks into the left and right sides of bearing portion 50 sometimes via the gap between through hole 51 and the lower rotary shaft 36.At this moment, as shown in Figure 4, the lubricating oil slot part 64 in bearing portion 50 left sides can be accepted the lubricating oil that leaks into bearing portion 50 left sides.The lubricating oil slot part 65 on bearing portion 50 right sides can be accepted the lubricating oil that leaks into bearing portion 50 right sides.Therefore, lubricating oil slot part 64,65 can prevent that lubricating oil from leaking into the outside from bearings portion 61.
The lubricating oil that lubricating oil slot part 64 is accepted flows to lubricating oil slot part 65 via linking stream 67 (with reference to Figure 13).The lubricating oil that lodges in lubricating oil slot part 65 flows out from bearings portion 61 via discharging road 83, flows into fuel tank 10 then.Therefore, Sewing machines 1 can prevent that lubricating oil from overflowing from lubricating oil slot part 64,65.Can and be utilized again as the lubricating oil that supplies to bearing portion 50 via the lubricating oil of discharging road 83 inflow fuel tanks 10.
As described above said, Sewing machines 1 comprises plunger displacement pump 53 in the inside of bearing portion 50.Plunger displacement pump 53 is along with the rotation of last rotating shaft 36 supplies to the interior hole 25 of rotating shaft 31 with the lubricating oil in the fuel tank 10 via the second supply road 82 from the hole 471 of bearing portion 47.The lubricating oil that supplies to hole 25 26 arrives gears 32 from the hole.That is, plunger displacement pump 53 transmission mechanism that can be reliably the lubricating oil that is contained in fuel tank 10 be supplied in the Sewing machines 1 is a gear 32.The heating that friction when the lubricating oil that supplies to gear 32 can suppress to rotate with gear 34 because of gear 32 produces, thus sintering phenomenon can be prevented.Plunger displacement pump 53 is not located near the fuel tank 10 but is located in the bearing portion 50, therefore can enlarge the space of fuel tank 10 peripheries.Therefore, Sewing machines 1 can make the capacity of the lubricating oil that is contained in fuel tank 10 increase.
The bearing portion 50 of Fig. 2 is equivalent to the lower bearing portion of the utility model.The first supply road 81 is equivalent to the supply road of the utility model.The second supply road 82 is equivalent to the stream of the utility model.The last rotating shaft 31 of Fig. 3 is equivalent to the axle of going up of the utility model.Lower rotary shaft 36 is equivalent to the lower shaft of the utility model.Gear 32 is equivalent to the transmission mechanism of the utility model.Link driving mechanism, rotating shaft that rotating shaft 33 is equivalent to the utility model.Bearing portion 47 is equivalent to the upper bearing (metal) portion of the utility model.Hole 471 is equivalent to the dead eye of the utility model.The fuel tank 10 of Fig. 4 is equivalent to the oily supply source of the utility model.The hole 24 of Fig. 5 is equivalent to the intercommunicating pore of the utility model.Hole 25 is equivalent to the cross-drilled hole of the utility model.The plunger displacement pump 53 of Figure 13 is equivalent to the pump of the utility model.Hole 26 is equivalent to the hole with the transmission mechanism correspondence position of being located at of the utility model.
The utility model also can carry out various changes except that above-mentioned embodiment.Also can lubricating oil be supplied to the mechanism beyond the gear 32.For example, lubricating oil is lubricated to the crank of being located between bearing portion 47 and the gear 32 17.Sewing machines 1 can prevent that cloth feeding mechanism 49 from generating heat because of friction, thereby can prevent sintering phenomenon through lubricating oil being supplied to crank 17.The supply object of lubricating oil also can be a gear 35,37.Discharge road 83 and also can the lubricating oil of discharging from lubricating oil slot part 64,65 directly be supplied to plunger displacement pump 53.Plunger displacement pump 53 also can be located at the outside of bearing portion 50.Sewing machines 1 can comprise that also the food tray that is fixed in not shown sewing machine table is to replace storing the fuel tank 10 of lubricating oil.The shape of fuel tank 10 is not limited to the example of above-mentioned embodiment, variable other arbitrary shape that more can store lubricating oil.
Claims (7)
1. Sewing machines comprises:
Pedestal part (21);
Oil supply source (10), this oil supply source (10) is located at said pedestal part (21), stores lubricating oil;
Pump (53), this pump (53) use the driving force that produces along with the driving of motor of sewing machine to draw said lubricating oil from said oily supply source; And
Supply with road (81), this supply road (81) is connected said oily supply source with said pump, supplies said pump to flow from the said lubricating oil that said oily supply source draws,
In this Sewing machines, said pump will supply to shuttle (46) via the said lubricating oil that draw on said supply road,
It is characterized in that, comprising:
Last axle (31), axle (31) rotates along with the driving of said motor of sewing machine on this, and is formed with cross-drilled hole (25) along axis direction;
Transmission mechanism (32), this transmission mechanism (32) are located at the said axle of going up, and the said rotary driving force of going up axle is delivered to driving mechanism (33);
Hole (26), this hole (26) are connected the said said cross-drilled hole (25) of going up axle (31) with said outside of going up axle (31), and are located at and the corresponding position of said transmission mechanism (32); And
Stream (82), this stream (82) is connected said pump (53) with the said said cross-drilled hole (25) of going up axle (31),
In this Sewing machines, the said lubricating oil that makes said pump (53) supply to said shuttle (46) is branched off into said stream (82), and supplies to said transmission mechanism (32) via said cross-drilled hole (25), said hole (26).
2. Sewing machines as claimed in claim 1 is characterized in that,
Said driving mechanism has the rotating shaft (33) of lower shaft (36) rotation that driving supports said shuttle,
Said transmission mechanism is and the gear of being located at said rotating shaft (34) meshed gears (32).
3. Sewing machines as claimed in claim 2 is characterized in that,
Said pump is located at the position of leaving said oily supply source, and is located at the lower bearing portion (50) that supports said lower shaft.
4. Sewing machines as claimed in claim 1 is characterized in that,
Also comprise a said upper bearing (metal) portion (47) that supports of going up,
Said upper bearing (metal) portion comprises the dead eye (471) that the foreign side with said upper bearing (metal) portion is connected with inner peripheral surface,
The said axle of going up comprises the intercommunicating pore (24) that is connected with said cross-drilled hole and is communicated with the inner peripheral surface of said upper bearing (metal) portion,
Said dead eye (471) can be connected with said stream (82) in foreign side's side of said upper bearing (metal) portion (47), and on said when rotation axle, said dead eye (471) can be communicated with said intercommunicating pore (24) in said inner peripheral surface side.
5. Sewing machines as claimed in claim 2 is characterized in that,
Also comprise a said upper bearing (metal) portion (47) that supports of going up,
Said upper bearing (metal) portion comprises the dead eye (471) that the foreign side with said upper bearing (metal) portion is connected with inner peripheral surface,
The said axle of going up comprises the intercommunicating pore (24) that is connected with said cross-drilled hole and is communicated with the inner peripheral surface of said upper bearing (metal) portion,
Said dead eye can be connected with said stream (82) in foreign side's side of said upper bearing (metal) portion (47), and on said when rotation axle, said dead eye can be communicated with said intercommunicating pore (24) in said inner peripheral surface side.
6. Sewing machines as claimed in claim 3 is characterized in that,
Also comprise a said upper bearing (metal) portion (47) that supports of going up,
Said upper bearing (metal) portion comprises the dead eye (471) that the foreign side with said upper bearing (metal) portion is connected with inner peripheral surface,
The said axle of going up comprises the intercommunicating pore (24) that is connected with said cross-drilled hole and is communicated with the inner peripheral surface of said upper bearing (metal) portion,
Said dead eye can be connected with said stream (82) in foreign side's side of said upper bearing (metal) portion (47), and on said when rotation axle, said dead eye can be communicated with said intercommunicating pore (24) in said inner peripheral surface side.
7. like each described Sewing machines in the claim 1 to 6, it is characterized in that,
Said oily supply source is the fuel tank (10) that can accommodate said lubricating oil,
Said fuel tank comprises:
Periphery wall (101), the peristome that the oil that this periphery wall (101) formation confession falls in said Sewing machines inside passes through;
Bottom (102), this bottom (102) are relative with said peristome;
Subtend wall (113), this subtend wall (113) are arranged between the inboard of said periphery wall, said peristome and the said bottom and to leave the position of said bottom relative with said bottom, and it is the wall portion that can accept the said lubricating oil that supplies to said transmission mechanism; And
Hole portion, this hole portion is located at said subtend wall, along running through from the direction of said peristome towards said bottom.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010289457A JP2012135418A (en) | 2010-12-27 | 2010-12-27 | Sewing machine |
| JP2010-289457 | 2010-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202466159U true CN202466159U (en) | 2012-10-03 |
Family
ID=46673393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205539231U Expired - Fee Related CN202466159U (en) | 2010-12-27 | 2011-12-26 | Sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012135418A (en) |
| CN (1) | CN202466159U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541160A (en) * | 2013-10-08 | 2014-01-29 | 浙江银工缝纫机有限公司 | Sewing machine |
| 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 |
| CN106637729A (en) * | 2016-12-28 | 2017-05-10 | 杰克缝纫机股份有限公司 | Sewing machine and mechanism for reducing vibration of sewing machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106167960B (en) * | 2016-09-28 | 2022-07-19 | 浙江中森缝纫机有限公司 | Automatic circulation oil supply system of special sewing machine |
-
2010
- 2010-12-27 JP JP2010289457A patent/JP2012135418A/en active Pending
-
2011
- 2011-12-26 CN CN2011205539231U patent/CN202466159U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541160A (en) * | 2013-10-08 | 2014-01-29 | 浙江银工缝纫机有限公司 | Sewing machine |
| CN103541160B (en) * | 2013-10-08 | 2015-08-12 | 浙江银工缝纫机有限公司 | A kind of Sewing machines |
| 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 |
| CN106637729A (en) * | 2016-12-28 | 2017-05-10 | 杰克缝纫机股份有限公司 | Sewing machine and mechanism for reducing vibration of sewing machine |
| CN106637729B (en) * | 2016-12-28 | 2020-02-07 | 杰克缝纫机股份有限公司 | Sewing machine and mechanism for reducing vibration of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012135418A (en) | 2012-07-19 |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20201226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |