CN102206906A - Oil supply device of sewing machine - Google Patents
Oil supply device of sewing machine Download PDFInfo
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- CN102206906A CN102206906A CN2011100700096A CN201110070009A CN102206906A CN 102206906 A CN102206906 A CN 102206906A CN 2011100700096 A CN2011100700096 A CN 2011100700096A CN 201110070009 A CN201110070009 A CN 201110070009A CN 102206906 A CN102206906 A CN 102206906A
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Abstract
The invention provides an oil supply device of a sewing machine, wherein the oil supply device does not need a lubricant oil quantity adjusting component, thereby eliminating the problems caused by adjusting operation. The oil supply device can steadily supply a small amount of lubricant oil from an oil feed pump on a frame to sliding components on an arm. A first pump 16 is arranged in a sewing machine frame 2, and a second pump 16 rotatably linked with an upper shaft 5 through a retarding mechanism is arranged in an arm 4 of the sewing machine. A small amount of lubricant oil required can be steadily supplied to sliding components on the arm 4 of the sewing machine from the first pump 16 via the second pump 30.
Description
Technical field
The present invention relates to the fueller of Sewing machines, specifically, relate to the fueller of the Sewing machines of the sliding component supplying lubricating oil that is used in the Sewing machines horn.
Background technology
Concerning the sliding component of most Sewing machines, successfully carry out in order to make slip, the bigger part supplying lubricating oil that slides.For example, supply with and the corresponding an amount of lubricating oil of condition for the sliding component in the Sewing machines horn, the known in the past oil feed pump that has utilization to be located at the gear type in the Sewing machines support can be regulated food tray (oil groove) is supplied with on lubricating oil (for example with reference to patent documentation 1) from oil mass ground to the sliding component of Sewing machines.
Patent documentation: patent documentation 1: TOHKEMY 2006-110377 communique
To shank etc., a part is outstanding from the framework of Sewing machines and during the lubricating oil of the member glut of sliding, sometimes produce lubricating oil by leak into the so-called leakage of oil outside the framework from the outstanding member of framework, particularly more and more require to solve this leakage of oil problem in recent years.Particularly to the fuel feeding of needle bar crank connecting rod, unnecessary lubricating oil leaks into outside the framework by shank, it is higher that thereby the lubricating oil that causes leaking out is attached to the possibility of making on the thing, near the sliding component supplying lubricating oil the shank time, need with the corresponding very fuel delivery of trace of condition.
But, in patent documentation 1 disclosed conventional art, be difficult to utilize lubricating oil to pass out to supply pipe by the Stability Analysis of Structures ground of the connector shunting trace that the needle bar crank connecting rod is required.Therefore, the fuel delivery that passes out to supply pipe from connector can only be set greater than actual aequum, need the fuel-flow control member be set midway from connector to the fuel feeding position, regulates the fuel-flow control member according to the service condition of Sewing machines.
As saving above-mentioned fuel-flow control member and utilizing a scheme of the trouble that the fuel-flow control member regulates, consider on oil feed pump, to be provided with the lubricating oil that can discharge trace mechanism, from oil feed pump to the fuel feeding position not via the fuel-flow control member with the direct method of binding such as pipe.But, as above-mentioned conventional art, between fuel feeding position and oil feed pump, there is the difference of height different time, the pump pressure of lubricating oil of trace of being used to spue is very little, therefore, exist pump no matter discharge-amount what, pump pressure all can not normally be carried the such problem of lubricating oil less than the gravity of the lubricating oil in the pipe.
Summary of the invention
Therefore, problem of the present invention be to provide a kind of can save the fuel-flow control member of lubricating oil and utilize trouble that the fuel-flow control member regulates and also can be stably from the lubricating oil that spues by the oil feed pump that is configured in the support sliding component in horn supply with the fueller of Sewing machines of the lubricating oil of trace.
In order to solve above-mentioned problem, the fueller of Sewing machines of the present invention comprises: the Sewing machines support that is connected with oil groove above oil groove; Above the Sewing machines support, be connected with the Sewing machines horn of configuration with the Sewing machines support; Can be supported on the lower shaft of Sewing machines support rotationally; Can be supported on the axle of going up of Sewing machines horn rotationally; Be configured in the Sewing machines support, be used for lubricating oil with oil groove and supply to the 1st pump in Sewing machines horn and the Sewing machines support; The lubricating oil that is used for being sent in the 1st pump is transported to the interior transfer unit of Sewing machines horn, it is characterized in that, in the Sewing machines horn, be provided with by reducing gear with on the 2nd pump that moves linkedly of rotation of axle, the 2nd pump comprises: the importing parts that are used for the lubricating oil that is transported by transfer unit is sent into the 2nd pump; Be used for to supply to the supply part of the sliding component in the Sewing machines horn by at least a portion that imports the lubricating oil that parts send into.
In addition, the fueller of the Sewing machines of another technical scheme of the present invention is characterised in that, the 2nd pump comprises the housing of the main body that is used to form the 2nd pump, and the 2nd pump utilization can be supported on the rotation of the 2nd pump shaft on the housing rotationally and move, and reducing gear comprises: be fixed in the 1st worm screw on the axle; Be fixed on the turning cylinder that is configured on the housing, be used for the 1st worm gear that engages with the 1st worm screw; Be fixed on the 2nd worm screw on the turning cylinder; Be fixed on the 2nd pump shaft, be used for the 2nd worm gear that engages with the 2nd worm screw.
Adopt the present invention, be provided with and be configured in the oil feed pump in the Sewing machines support and be configured in the 2nd pump in the Sewing machines horn and rotation interlock last axle, lubricating oil is transported to sliding component in the Sewing machines horn from oil feed pump via the 2nd pump, thereby do not need to regulate fuel delivery, can stably supply with the lubricating oil of the required trace of the interior sliding component of Sewing machines horn according to the service condition of Sewing machines.
Description of drawings
Fig. 1 is a biopsy cavity marker devices front view of having used flat lock stitch Sewing machines of the present invention.
(a) of Fig. 2 is the left side view of distributor, and (b) of Fig. 2 is the front view of distributor.
Fig. 3 is the exploded perspective view of the 2nd pump.
Fig. 4 is the stereogram of the 2nd pump and reducing gear.
(a) of Fig. 5 is the left side view of structure of the 2nd pump shaft of expression the 2nd pump, and (b) of Fig. 5 is the C-C cutaway view of Fig. 5 (a).
Fig. 6 is that the master of the 2nd pump looks cutaway view.
Fig. 7 is the front view of major part of the fueller of expression Sewing machines of the present invention.
Fig. 8 is the major part front view of action of 1 circulation of expression the 2nd pump.
Fig. 9 is the concept map of the relation of the expression rotating speed that is fed into the fuel delivery of lubricating oil of needle bar crank connecting rod and Sewing machines.
Figure 10 is the major part cutaway view of action of 1 circulation of the 2nd pump of expression another embodiment of the present invention.
Figure 11 is the f-f phantom of Figure 10.
The specific embodiment
Below, based on the description of drawings preferred embodiment of the present invention.
Fig. 1 is a partial sectional view of having used flat lock stitch Sewing machines of the present invention.As shown in Figure 1, Sewing machines support 2 is connected with oil groove 1 above oil groove 1.Lower shaft 3 flatly is configured in the Sewing machines support 2, and can be sewed 2 supportings of machine support rotationally.Be provided with Sewing machines horn 4 on the top of Sewing machines support 2.Last axle 5 flatly is configured in the Sewing machines horn 4, can be sewed 4 supportings of machine horn rotationally.Lower shaft 3 and on axle 5 put on the shelf and be provided with synchronous band (not shown), lower shaft 3 and last axle 5 rotate to a direction linkedly with the drive motor (not shown) of use in sewing machine.End at last axle 5 utilizes screw 11 to be fixed with crank 6.On crank 6, run through an end that is fixed with pin (not shown), the 7a of top cylinder portion of the other end transfixion pin pole crank connecting rod 7 of this pin, the 7a of top cylinder portion can rotate around the axis of this pin.Be penetrated with the 8a of pin portion of thimble 8 at the 7b of doffing portion of needle bar crank connecting rod 7, on thimble 8, utilize screw 22 to be fixed with shank 9.Shank 9 can be pressed into sleeve 10 supportings in the Sewing machines horn 4 with moving up and down.According to said structure, shank 9 moves up and down linkedly with the rotation of last axle 5.
In Sewing machines support 2, on lower shaft 3, utilize screw 12 to be fixed with worm screw 15.The 1st pump 16 is known trochoid pumps, forms the installation portion 17a of the 1st housing 17 of the main body of the 1st pump 16, utilizes screw 13 to be fixed on the framework of Sewing machines support 2.The 1st pump shaft 18 is configured to and lower shaft 3 quadratures, can be supported on the 1st housing 17 rotationally around axis.The top of the 1st pump shaft 18 is outstanding from the 1st housing 17, utilizes screw 14,14 to be fixed with worm gear 19 in outstanding part.Fasten worm screw 15 and worm gear 19, when worm screw 15, worm gear the 19, the 1st pump shaft 18 rotates linkedly with the rotation of lower shaft 3, utilize known pumping action that the lubricating oil of oil groove 1 is sent in the 1st pump 16, part in the lubricating oil that is admitted to is supplied with by the sliding component of carrier pipe 64 in the Sewing machines support that an end is connected with the 1st pump, and the lubricating oil of remainder is carried to Sewing machines horn 4 by the 1st carrier pipe 20 that an end is connected with the 1st pump 16.
As shown in Figure 1, the frame part above Sewing machines horn 4 is provided with oil tray 23 and distributor 24.Shown in the (a) and (b) of Fig. 2, on distributor 24, be provided with through hole 24a, vertical hole 24b, cross-drilled hole 24c.Bleed pipe 25 is configured to distributor clamping oil tray 23 about in the of 24, and screws togather with vertical hole 24b in the upper surface open of distributor 24.Connector 27 on the other end of the 1st carrier pipe 20 utilizes attachment screw 26 and is fixed on distributor 24 is connected.Attachment screw 26 screws togather with through hole 24a, thereby makes the lubricating oil that is transported to Sewing machines horn 4 from oil groove 1 by the 1st carrier pipe 20 be directed to through hole 24a by connector 27, attachment screw 26.The lubricating oil that is directed to through hole 24a is shunted respectively to vertical hole 24b, cross-drilled hole 24c from through hole 24a.The lubricating oil that is directed to vertical hole 24b is sprayed from the top of bleed pipe 25 towards distributor 24.Be fed into each member in the Sewing machines horn 4 from the part of the lubricating oil of bleed pipe 25 ejection along the Sewing machines framework.In addition, the lubricating oil in the oil tray 23 of accumulating in from the lubricating oil of bleed pipe 25 ejection is fed into sliding part in the Sewing machines horn 4 from being located at drip hole 23a, 23a on the oil tray 23 and dripping.Screwed togather connector 28 on cross-drilled hole 24c, the 2nd carrier pipe 29 that the lubricating oil that is directed to cross-drilled hole 24c is connected with connector 28 is to 30 guiding of the 2nd pump.
Below, the 2nd pump machanism is described.Form the 2nd housing 31 of the main body of the 2nd pump 30, utilize screw 33 to be fixed on the framework above the Sewing machines horn 4 at the rear of last axle 5.As shown in Figure 3, Figure 4, turning cylinder 34 is can be supported on the turning cylinder of the 2nd housing 31 rotationally with the through hole 32,32 with last axle 5 quadratures and lower end from the outstanding state of the 2nd housing 31.Utilize screw 39 to be fixed with the 1st worm gear 35, the 1 worm gears 35 engages with the 1st worm screw 36 midway that utilizes screw 38 to be fixed in axle 5 in the lower end of turning cylinder 34.Above the 1st worm gear 35, disposing the 2nd worm screw 37 across the wall part 31a of the 2nd housing 31 mode relative with the 1st worm gear 35, and the 2nd worm screw 37 utilizes screw 40 to be fixed on turning cylinder 34 midway.The 2nd pump shaft forms and turning cylinder 34 quadratures with through hole 41, and along continuous straight runs runs through the 2nd housing 31.The two ends of the 2nd pump shaft 42 from the 2nd pump shaft with the opening of through hole 41 outstanding and the 2nd pump shaft 42 can around axis rotationally through the 2nd pump shaft with in the through hole 41.With an end of through hole 41, utilize screw 44 to be fixed with the 2nd worm gear 43 at the 2nd pump shaft,, utilize screw 46 to be fixed with the axle collar 45, limit the moving of axis direction of the 2nd pump shaft 42 at the other end of the 2nd pump shaft with through hole 41 with the state that fastens with the 2nd worm screw 37.Shown in Fig. 5 (a), on the part of the outer peripheral face of the 2nd pump shaft 42, be formed with eccentric part 47.On eccentric part 47, circumferentially on half cycle, be formed with the slot part 47a that the groove by width d constitutes along the 2nd pump shaft 42.Shown in Fig. 5 (b), the circumferential cross sectional shape of slot part 47a is to be the ellipticity of major diameter (diameter of=the 2 pump shaft 42) with initial point 47as~terminal point 47ae.Slot part 47a is intercalated in the 2nd housing 31, is the oily reception room 48 of Va thereby form as shown in Figure 6, that be used to accommodate the lubricating oil that is fed in the 2nd housing 31, volume.
As Fig. 3, shown in Figure 6, on the 2nd housing 31, be provided with screwed hole 49, tap 50, entrance hole 51, pin with through hole 52, hole 53 spues.One end of tap 50 is at the 2nd pump shaft through hole 41 openings of the 2nd housing 31, and the other end is in the upper surface open of the 2nd housing 31.One end of entrance hole 51 is at tap 50 and the 2nd pump shaft through hole 41 openings, and the other end is at the inclined plane opening of the 2nd housing 31.Connector 54 screws togather with the other end of entrance hole 51.As Fig. 1, shown in Figure 7, in the 2nd carrier pipe 29 of tubulose, import the part that the lubricating oil of discharging from the cross-drilled hole 24c of distributor 24 is arranged, an end of the 2nd carrier pipe 29 of this tubulose is connected with connector 54.Promptly, with the rotation of lower shaft 3 and last axle 5 linkedly, the part of the lubricating oil of discharging from the 1st pump 16, distributor 24 is directed to the 2nd housing 31 by connector 54, entrance hole 51 the 2nd pump shaft is with through hole 41 and be intercalated among the slot part 47a of the 2nd pump shaft 42 this through hole 41.The other end of too much part by tap 50 that is directed in the lubricating oil in the 2nd housing 31 of the 2nd pump 30 is discharged to outside the 2nd housing 31, at this moment, is mingled in small dust in the lubricating oil etc. and also is discharged from the lump.
Pin 2nd pump shaft through hole 41 openings of one end of through hole 52 at the 2nd housing 31, the other end is at the left surface opening of the 2nd housing 31.Pin 55 can be used in the through hole 52 through pin on left-right rotation ground.Pin 55 diameter equates with the width d of slot part 47a of eccentric part 47 on being formed on the 2nd pump shaft 42, sells 55 and is positioned in the pin usefulness through hole 52 by the mode that fastens with its right part and this slot part 47a very close to each otherly.Leaf spring 56 is to be used for to the parts of right-hand i.e. the 2nd pump shaft 42 side elasticity by pad 55, and the cardinal extremity of leaf spring 56 screws togather by screw 57 and screwed hole 49 and is fixed on the 2nd housing 31, and the front end of leaf spring 56 flexibly connects with the left part of pin 55.
The hole 53 that spues is positioned at pin with the below of through hole 52, and with through hole 41 openings, the other end is at the inclined plane opening of the 2nd housing 31 at the 2nd pump shaft of the 2nd housing 31 for an end.Connector 58 screws togather with the other end in the hole 53 that spues.As Fig. 1, shown in Figure 7, an end of the supply pipe 59 of tubulose is connected with connector 58, and the other end is connected with the fuel feed pump 60 that is positioned at needle bar crank connecting rod 7 tops.The part midway of fuel feed pump 60 is fixed on the framework, and its front end is towards the perforate downwards of needle bar crank connecting rod 7 ground.Utilize the action of the 2nd pump 30, the lubricating oil of discharging from the hole 53 of spuing drips and is directed to needle bar crank connecting rod 7 from the perforate of fuel feed pump 60 via supply pipe 59.
Below, the effect of the fueller of the Sewing machines that constitutes as described above is described.When lower shaft 3 rotated under the effect of the drive source of not shown Sewing machines, the 1st pump shaft 18 rotated with lower shaft 3 linkedly by worm screw 15, worm gear 19, thereby the 1st pump 16 moves.Utilize the action of the 1st pump 16, the lubricating oil of oil groove 1 is sent in the 1st pump 16, the lubricating oil that is admitted to is transported to the distributor 24 that is configured in the Sewing machines horn 4 by the 1st carrier pipe 20, connector 27, attachment screw 26.A part that is transported to the lubricating oil of distributor 24 is transported to the 2nd pump 30 by through hole 24a, cross-drilled hole 24c, connector the 28, the 2nd carrier pipe 29, and remaining lubricating oil is fed in the Sewing machines horn 4 by through hole 24a, vertical hole 24b, bleed pipe 25.
Below, the action of 1 circulation of the 2nd pump 30 is described based on Fig. 8.In addition, each position shown in (b)~Fig. 8 of Fig. 8 (d) is identical with Fig. 8 (a), therefore, omits a part of Reference numeral.When last axle 5 rotated, turning cylinder 34 rotated by the 1st worm screw the 36, the 2nd worm gear 35, and when turning cylinder 34 rotated, the 2nd pump shaft 42 rotated by the 2nd worm screw the 37, the 2nd worm gear 43.The 2nd pump shaft 42 rotates around axis direction R (being clockwise when the front of Sewing machines is seen).
Shown in Fig. 5, Fig. 8 (a), when the 2nd pump shaft 42 rotates and the initial point 47as of the slot part 47a of eccentric part 47 during by pin 55, above the pin 55 of oily reception room 48, the lubricating oil that are directed in the entrance hole 51 are filled in the oily reception room 48 gradually.When the 2nd pump shaft 42 is rotated further and the terminal point 47ae of slot part 47a during by pin 55, shown in Fig. 8 (b), whole oily reception room 48 is connected with entrance hole 51 and tap 50, the unnecessary lubricating oil that has surpassed the volume V a of oily reception room 48 is discharged from tap 50, is filled with the lubricating oil with the volume V a equal quantities of oily reception room 48 in oily reception room 48.Then, shown in Fig. 8 (c), before the initial point 47as of slot part 47a arrived pin 55 once more, the 2nd pump shaft 42 rotated under the state of the lubricating oil of oily reception room 48 maintenance volume V a.Shown in Fig. 8 (d), when the initial point 47as of slot part 47a arrives pin 55 and the 2nd pump shaft 42 when being rotated further, being filled in the pin 55 that the lubricating oil in the oily reception room 48 is intercalated among the slot part 47a very close to each otherly stops, rotation along with the 2nd pump shaft 42, the volume of the pin 55 front sides of oil reception room 48 reduces gradually, and the lubricating oil that can not remain in the oily reception room 48 is discharged in the hole 53 that spues gradually.Then, when the terminal point 47ae of slot part 47a arrived pin 55 once more, the lubricating oil of the volume V a that oily reception room 48 is kept all was discharged in the hole 53 that spues.
The lubricating oil that is discharged to the hole 53 that spues via be intercalated in the connector 58 in the hole 53 that spues, the supply pipe 59 that is connected with connector 58 is transported in the fuel feed pump 60, drip from the perforate of fuel feed pump 60.The oil lubrication needle bar crank connecting rod 7 that drips from perforate.
The reducing gear 63 that employing is made of the 1st worm screw the 36, the 1st worm gear the 35, the 2nd worm screw the 37, the 2nd worm gear 43 of the 2nd pump machanism that constitutes as mentioned above, be a1, a2 at a number that makes the 1st worm screw the 36, the 2nd worm screw 37, when making the number of teeth of the 1st worm gear the 35, the 2nd worm gear 43 be b1, b2, the 2nd pump shaft 42 is a1 * a2/b1 * b2 with respect to the speed reducing ratio of last axle 5.In the present embodiment, be set at a1<b1, a2<b2, compare the speed reducing ratio that is obtained with respect to last axle 5 by one group of worm screw, worm gear and last axle 5 pump shafts that link up, the 2nd pump shaft 42 utilizes reducing gear 63 can obtain very large speed reducing ratio with respect to last axle 5.That is the extremely lubricating oil of trace, though the 2nd pump 30 and last axle 5 interlocks can spue.
In addition, the 2nd pump 30 is extremely simple structures, for example, is under the situation of trochoid pump at the 1st pump 16, it is very little that the 2nd pump 30 and the 1st pump 16 are compared the pressure loss, and improve the machining accuracy of the slot part 47a of a part that is used to form the oily reception room 48 of accommodating lubricating oil easily.That is, even 30 miniaturizations of the 2nd pump also can be guaranteed higher discharge-amount precision.And as mentioned above, the 2nd pump 30 can be configured in the Sewing machines horn 4 compactly.
Fig. 9 is the concept map of relation of sliding mode of fuel delivery and the needle bar crank connecting rod 7 of the expression lubricating oil that is fed into needle bar crank connecting rod 7, and transverse axis is last 5 a rotary speed, and the longitudinal axis is the fuel delivery to needle bar crank connecting rod 7.Dotted line La represents the threshold value of leakage of oil, and the top of La is the zone that leakage of oil takes place shank 9.Chain-dotted line Lb represents the threshold value of wearing and tearing, heating deadlocked (Japanese: the baked I is paid I), and the below of Lb is to produce wearing and tearing, the deadlocked zone of heating on needle bar crank connecting rod 7.Therefore, expectation is set in fuel delivery in the centre position of La shown in the solid line L and Lb, but investigation according to the applicant, fuel delivery shown in the solid line L is extremely micro-, oil supply mechanism in the past promptly only is provided with under the situation of said the 1st pump 16 in the present embodiment, and it is very difficult stably the fuel delivery shown in the solid line L being imported to needle bar crank connecting rod 7.By the volume of suitable setting speed reducing ratio and oily reception room 48 the 2nd pump 30 of present embodiment is set, can supplies with the fuel delivery shown in the solid line L of Fig. 9 to needle bar crank connecting rod 7.
In addition, because the 2nd pump 30 is configured in the Sewing machines horn 4, therefore, when the sliding position fuel feeding in Sewing machines horn 4, there is not difference of height between pump (the 2nd pump 30), Oil Guide path (supply pipe 59), the fuel feed pump 60, can stably supplies with the lubricating oil of trace.
The 2nd pump 30 of the present invention is not limited to the structure of present embodiment, for example, also can be to utilize known plunger displacement pump that the rotation of the 2nd pump shaft 42 moves etc.In addition, in the present embodiment, utilize the fuel feed pump 60 that is connected with supply pipe 59 to supply to needle bar crank connecting rod 7, but also can supply to other sliding component from the lubricating oil that the 2nd pump 30 spues.
Based on Figure 10, Figure 11 the 2nd embodiment of the 2nd pump and the difference of the 1st embodiment only are described.
As shown in figure 10, on the 2nd housing 31, be provided with entrance hole 51, tap 50, the hole 53 that spues, pin through hole 52.One end of introducing port 51 is at the 2nd pump shaft through hole 41 openings of the 2nd housing 31, and the other end is at the outer surface opening of the 2nd housing 31.One end of tap 50 is at entrance hole 51 openings, and the other end is in the upper surface open of the 2nd housing 31.The hole 53 that spues forms its central axis and is positioned on the extended line of central axis of entrance hole 51, and with through hole 41 openings, the other end is at the outer surface opening of the 2nd housing 31 at the 2nd pump shaft of the 2nd housing 31 for an end.Pin 2nd pump shaft through hole 41 openings of one end of through hole 52 at the 2nd housing 31, the other end is at the downside opening of the 2nd housing 31, and pin 55 can be used in the through hole 52 through pin up or down.
On the part of the 2nd pump shaft with the outer peripheral face of the 2nd pump shaft 65 in the through hole 41 of the 2nd housing 31, be formed with the 2nd eccentric part 61.Circumferentially on half cycle, be formed with the 2nd slot part 61a that the groove by width e constitutes along the 2nd pump shaft 65 on the 2nd eccentric part 61.As shown in figure 11, the 2nd slot part 61a forms the diameter greater than pin 55, has the gap between the periphery on the top of pin 55 and the 2nd slot part 61a, and the upper end and the 2nd slot part 61a of pin 55 fasten.The 2nd slot part 61a is intercalated in the 2nd housing 31, thus be formed for accommodating the lubricating oil that is fed in the 2nd housing 31, volume is the 2nd oily reception room 62 of Vb.
The action of 1 circulation of the 2nd pump 30 is described based on Figure 10.In addition, each position shown in (b)~Figure 10 of Figure 10 (d) is identical with Figure 10 (a), therefore, omits a part of Reference numeral.When last axle 5 rotated, turning cylinder 34 rotated by the 1st worm screw the 36, the 1st worm gear 35, and when turning cylinder 34 rotated, the 2nd pump shaft 65 rotated by the 2nd worm screw the 37, the 2nd worm gear 43.The 2nd pump shaft 65 rotates around axis direction R (being seen as clockwise from the front of Sewing machines).
Shown in Figure 10 (a), the 2nd pump shaft 65 rotates and the initial point 61as of the 2nd slot part 61a of the 2nd eccentric part 61 during by entrance hole 51, and the lubricating oil that are directed in the entrance hole 51 are filled in the 2nd oily reception room 62 gradually.When the 2nd pump shaft 65 be rotated further and shown in Figure 10 (b) the terminal point 61ae of the 2nd slot part 61a when the pin 55, the unnecessary lubricating oil that has surpassed the volume V b of the 2nd oily reception room 62 is discharged from tap 50, is filled with the lubricating oil with the volume V b equal quantities of the 2nd oily reception room 62 in the 2nd oily reception room 62.And, shown in Figure 10 (c), when the initial point 61as of the 2nd slot part 61a arrives pin 55 and the 2nd pump shaft 65 when being rotated further, the lubricating oil that is filled into the volume v equal quantities of the part that engages with the 2nd slot part 61a in the lubricating oil in the 2nd oily reception room 62, pin 55 is discharged to the hole 53 that spues gradually.And, shown in Figure 10 (d), when the terminal point 61ae of the 2nd slot part 61a when spuing hole 53, in the 2nd oily reception room 62, contain the lubricating oil of Vb-v amount.
Therefore, can the spue lubricating oil of volume V a of oily reception room 48 of the 2nd pump of the 1st embodiment, and can the spue lubricating oil of amount of the volume V that is equivalent to pin 55 and part the 2nd slot part 61a engaging of the 2nd pump of the 2nd embodiment, the extremely lubricating oil of trace can spue.Can set the 2nd different pump of discharge-amount according to the amount of the needed lubricating oil of sliding component in the Sewing machines horn.
Description of reference numerals
1, oil groove; 2, sewing machine support; 3, lower shaft; 4, sewing machine horn; 5, upper axle; 7, needle bar crank connecting rod; 16, the 1st pump; 20, the 1st carrier pipe; 23, oil tray; 24, distributor; 25, bleed pipe; 29, the 2nd carrier pipe; 30, the 2nd pump; 34, turning cylinder; 35, the 1st worm gear; 36, the 1st worm screw; 37, the 2nd worm screw; 42, the 2nd pump shaft; 43, the 2nd worm gear; 47, eccentric part; 47a, slot part; 48, oily reception room; 59, supply pipe; 60, fuel feed pump; 61, the 2nd eccentric part; 61a, the 2nd slot part; 62, the 2nd oily reception room; 63, reducing gear; 65, the 2nd pump shaft.
Claims (2)
1. the fueller of a Sewing machines, the fueller of this Sewing machines comprises: the Sewing machines support that is connected with oil groove above oil groove; Above the Sewing machines support, be connected with the Sewing machines horn of configuration with the Sewing machines support; Can be supported on the lower shaft of Sewing machines support rotationally; Can be supported on the axle of going up of Sewing machines horn rotationally; Be configured in the Sewing machines support, the lubricating oil of oil groove supplied to the 1st pump of Sewing machines horn and Sewing machines support; Be transported to transfer unit in the Sewing machines horn with being sent to lubricating oil in the 1st pump, it is characterized in that,
In the Sewing machines horn, be provided with by reducing gear with on the 2nd pump that moves linkedly of rotation of axle, the 2nd pump comprises: will be sent into the importing parts of the 2nd pump by the lubricating oil that transfer unit transports; To supply to the supply part of the sliding component in the Sewing machines horn by at least a portion that imports the lubricating oil that parts send into.
2. the fueller of Sewing machines according to claim 1 is characterized in that,
The 2nd pump comprises the housing of the main body that forms the 2nd pump, and the 2nd pump utilization can be supported on the rotation of the 2nd pump shaft on the housing rotationally and move, and reducing gear comprises: be fixed in the 1st worm screw on the axle; Be fixed on the turning cylinder that is configured on the housing the 1st worm gear that engages with the 1st worm screw; Be fixed on the 2nd worm screw on the turning cylinder; Be fixed on the 2nd pump shaft the 2nd worm gear that engages with the 2nd worm screw.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2010-082884 | 2010-03-31 | ||
JP2010082884A JP5524677B2 (en) | 2010-03-31 | 2010-03-31 | Sewing machine oiling equipment |
Publications (2)
Publication Number | Publication Date |
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CN102206906A true CN102206906A (en) | 2011-10-05 |
CN102206906B CN102206906B (en) | 2015-02-11 |
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ID=44695955
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201110070009.6A Active CN102206906B (en) | 2010-03-31 | 2011-03-23 | Oil supply device of sewing machine |
Country Status (3)
Country | Link |
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JP (1) | JP5524677B2 (en) |
CN (1) | CN102206906B (en) |
TW (1) | TWI507583B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105177881A (en) * | 2015-08-17 | 2015-12-23 | 吴江市华运纺织品有限公司 | Big jacquard weave oil pump fuel feeding lubricating arrangement |
CN115216897A (en) * | 2022-08-22 | 2022-10-21 | 飞马(天津)缝纫机有限公司 | Sewing machine with automatic oil supply and return mechanism |
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CN1368573A (en) * | 2001-01-31 | 2002-09-11 | 重机株式会社 | Lubricating device for sewing machine |
CN2813667Y (en) * | 2005-07-22 | 2006-09-06 | 施向安 | High-head sewing machine lubricating device |
CN101581017A (en) * | 2008-05-13 | 2009-11-18 | 飞马缝纫机制造株式会社 | Oil feeding device for sewing machine |
-
2010
- 2010-03-31 JP JP2010082884A patent/JP5524677B2/en active Active
-
2011
- 2011-03-23 CN CN201110070009.6A patent/CN102206906B/en active Active
- 2011-03-30 TW TW100110991A patent/TWI507583B/en active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS53148862U (en) * | 1977-04-28 | 1978-11-22 | ||
CN1368573A (en) * | 2001-01-31 | 2002-09-11 | 重机株式会社 | Lubricating device for sewing machine |
CN2813667Y (en) * | 2005-07-22 | 2006-09-06 | 施向安 | High-head sewing machine lubricating device |
CN101581017A (en) * | 2008-05-13 | 2009-11-18 | 飞马缝纫机制造株式会社 | Oil feeding device for sewing machine |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105177881A (en) * | 2015-08-17 | 2015-12-23 | 吴江市华运纺织品有限公司 | Big jacquard weave oil pump fuel feeding lubricating arrangement |
CN115216897A (en) * | 2022-08-22 | 2022-10-21 | 飞马(天津)缝纫机有限公司 | Sewing machine with automatic oil supply and return mechanism |
Also Published As
Publication number | Publication date |
---|---|
TWI507583B (en) | 2015-11-11 |
CN102206906B (en) | 2015-02-11 |
JP5524677B2 (en) | 2014-06-18 |
JP2011212210A (en) | 2011-10-27 |
TW201207185A (en) | 2012-02-16 |
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Address after: Osaka City, Osaka of Japan Patentee after: Pegasus Corp. Address before: Osaka, Japan Patentee before: Pegasus Sewing Machine Mfg. Co.,Ltd. |