CN103668813A - Needle cylinder machine base sewing machine - Google Patents

Needle cylinder machine base sewing machine Download PDF

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Publication number
CN103668813A
CN103668813A CN201310301258.0A CN201310301258A CN103668813A CN 103668813 A CN103668813 A CN 103668813A CN 201310301258 A CN201310301258 A CN 201310301258A CN 103668813 A CN103668813 A CN 103668813A
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China
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mentioned
main body
syringe
needle
needle guard
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CN201310301258.0A
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Chinese (zh)
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CN103668813B (en
Inventor
山中正巳
久原俊雄
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Pegasus Corp
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Pegasus Sewing Machine Manufacturing Co Ltd
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Priority claimed from JP2012195635A external-priority patent/JP6095302B2/en
Priority claimed from JP2012205141A external-priority patent/JP6122592B2/en
Application filed by Pegasus Sewing Machine Manufacturing Co Ltd filed Critical Pegasus Sewing Machine Manufacturing Co Ltd
Publication of CN103668813A publication Critical patent/CN103668813A/en
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Publication of CN103668813B publication Critical patent/CN103668813B/en
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Abstract

The invention provides a needle cylinder machine base sewing machine. The needle cylinder machine base sewing machine overcomes the problems that lubricating oil fed to a feed mechanism is scattered through a feeding tooth groove hole of a needle plate so that cloth on the needle plate is dirtied and dust such as fiber scraps is mixed into the lubricating oil or adhered to a sliding contact part of the feed mechanism. According to the needle cylinder machine base sewing machine, a needle cylinder part is formed by a needle cylinder main body and a front face mask capable of being installed on the front of the needle cylinder main body in an openable and closeable manner; the feed mechanism is accommodated in the needle cylinder main body to be supplied with oil; a feeding table providing a feeding tooth is protruded towards a space enclosed with the needle cylinder main body and the front face mask from the needle cylinder main body through an oil retention device and is rotated by a curved needle driving mechanism arranged in a sewing machine base; a curved needle shaft advancing and retreating in an axial direction is protruded towards the above space; and a curved needle is installed on the protruded part. The feeding tooth slot embedded with the feeding tooth of the needle plate and an opening communicated with the above space are not communicated with the needle cylinder main body, and the needle cylinder main body is made into a sealed structure.

Description

Syringe support Sewing machines
Technical field
The present invention relates to the syringe support Sewing machines using in order to make the cloth of tubular.
In the present invention, front and back refer to the fore-and-aft direction in cloth direction of feed, and left and right refers to the left and right directions while watching Sewing machines from front.Refer to up and down in addition the above-below direction of Sewing machines.
Background technology
This kind of syringe support Sewing machines has the syringe portion of just extending to the left from support, in this syringe portion, on syringe portion, needle plate has been installed, and built-in feed mechanism and looper, feed mechanism runs through needle plate and arranges, and make to be configured in be formed at the wrong pin hole that eedle moves up and down feeding all around for tooth in slotted eye (feeding perforation) advance to tooth and laggard to tooth (main and differential feed tooth) from making when needle plate haunts this advance to tooth and laggardly move forward and backward and carry out cloth feeding to tooth, looper becomes with the eedle moving up and down and cooperates and on the cloth of tubular that covers and insert syringe portion, form needle tracking, one of typical example of this syringe support Sewing machines is open in following patent documentation 1.
Known syringe support Sewing machines also possesses needle guard mechanism (for example,, with reference to patent documentation 2) in syringe portion.In this known needle guard mechanism; the front side of the eedle in syringe portion has configured the first pin screening glass (front needle guard); rear side at eedle has configured the second pin screening glass (rear needle guard); it is upper that each screening glass (needle guard) is installed in holder (bar), and each holder is mounted respectively on axle (the needle guard swinging axles of front and back).And each axle the driving shaft on support (main shaft) links through transmission mechanism with horizontal arrangement respectively, with a direction rotational synchronization of driving shaft at fore-and-aft direction, carry out the swing around axle.According to such needle guard mechanism, the first pin screening glass, the second pin screening glass together mutual when eedle declines and eedle closely guide it, when eedle rises, mutually from eedle, leave.In addition, well-known configurations is fixed at the needle guard (front needle guard) of the front of eedle side.
In addition, knownly there is the disclosed needle plate of patent documentation 1, advance to tooth and laggard to tooth, and possess the syringe support Sewing machines of above-mentioned needle guard mechanism.
Technical literature formerly
Patent documentation
No. 8-112471, [patent documentation 1] Japanese kokai publication hei
No. 316515 (the 6th page, Fig. 1,2) of [patent documentation 2] Japanese Utility Model registration
Summary of the invention
Invent problem to be solved
With slotted eye, in front and back, (feeding) direction forms longly the feeding tooth of needle plate, so as can permissible feed tooth move forward and backward.Therefore, there are the following problems,, feeding tooth with on slotted eye, always produce with syringe portion in the be interlinked to the outside gap of ground opening, to the lubricating oil that is configured in the driving mechanism fuel feeding of feeding tooth in syringe portion or needle guard, easily by this feeding tooth, with the gap of slotted eye, on needle plate, leak the oil of the leakage cloth of making dirty.Also there are the following problems in addition, that is, the dust such as Soft flocks that produced by the cloth made from then on feeding tooth are invaded in syringe portion with slotted eye, sneaks into lubricating oil and the action of the driving mechanism of above-mentioned feeding tooth or needle guard is brought to obstacle.
The present invention is the invention of making in order to solve the above problems, its object is to provide a kind of syringe support Sewing machines, its by carry out fuel feeding closed structure syringe main body and can openedly and closedly be arranged on this syringe main body above on radiator grille form syringe portion, avoid feeding tooth slotted eye and the syringe main body opening communicatively of needle plate, although feeding tooth, needle guard are configured in outside syringe main body, can realize the miniaturization of syringe portion.
In order to solve the means of problem
The invention of technical scheme 1 is a kind of syringe support Sewing machines, have from support outstanding to side, cover and insert the syringe portion of the cloth of tubular, needle plate has been installed in the above by this syringe portion, the front and back in the wrong pin hole that this needle plate penetratingly moves up and down at eedle have formed feeding tooth slotted eye, and this syringe portion is built-in makes to be configured in and when above-mentioned feeding tooth haunts with the feeding tooth in slotted eye, makes feed mechanism that feeding tooth moves forward and backward and cooperate with the eedle that runs through above-mentioned wrong pin hole and move up and down and form the looper of needle tracking, it is characterized in that, above-mentioned syringe portion by syringe main body and can openedly and closedly be arranged on this syringe main body above on radiator grille form, be accommodated in syringe main body and there is feeding platform by the feed mechanism of fuel feeding, this feeding platform, its part is cut oil from syringe main body by oil-cutting device, in the space forming between syringe main body and radiator grille, give prominence to, above-mentioned feeding tooth is installed on the ledge of feeding platform outstanding in this space, and the looper that the looper drive with being arranged in support is linked is configured in above-mentioned space, above-mentioned feeding tooth is formed on above and between radiator grille of syringe main body with slotted eye in addition, and with the space that has configured above-mentioned feeding tooth and looper opening communicatively, be not communicated with syringe main body, syringe main body is made to closed structure.
The invention of technical scheme 2, in the invention of technical scheme 1, it is characterized in that, the curved needle shaft of looper has at one end been installed, can rotate and by axle, be bearing in the lining of the sidewall that is installed on support axially slidably, and configure highlightedly abreast with the projected direction of syringe portion in from above-mentioned support to above-mentioned space
The invention of technical scheme 3, in the invention of technical scheme 2, is characterized in that, supports the front end of the lining of above-mentioned curved needle shaft oil sealing has been installed at axle.
The invention of technical scheme 4 is a kind of syringe support Sewing machiness, have from support outstanding to side, cover and insert the syringe portion of the cloth of tubular, needle plate has been installed in the above by this syringe portion, the front and back in the wrong pin hole that this needle plate penetratingly moves up and down at eedle have formed feeding tooth slotted eye, and this syringe portion is built-in make to be configured in when above-mentioned feeding tooth haunts with the feeding tooth in slotted eye, make feed mechanism that feeding tooth moves forward and backward and with the above-mentioned eedle that runs through above-mentioned wrong pin hole and move up and down synchronously forwards, backwards direction swing, when above-mentioned eedle drops under needle plate and this eedle closely guide the needle guard of the front and back that move up and down of this eedle, it is characterized in that, above-mentioned syringe portion by syringe main body and can openedly and closedly be arranged on this syringe main body above on radiator grille form, be accommodated in syringe main body and there is feeding platform by the feed mechanism of fuel feeding, this feeding platform, its part is cut oil by oil-cutting device from syringe main body, in the space being formed between syringe main body and radiator grille, give prominence to, above-mentioned feeding tooth has been installed on the ledge of feeding platform outstanding in this space, in addition above-mentioned feeding tooth with the configuration before slotted eye and syringe main body and between radiator grille the space opening communicatively of above-mentioned feeding tooth, be not communicated with syringe main body, syringe main body is made to closed structure, the needle guard of above-mentioned front and back is configured in above-mentioned space, make each needle guard direction swings forwards, backwards respectively swinging axle and rear needle guard swinging axle for front needle guard, parallel with the projected direction of syringe portion and can sway by axle, be bearing in and bloat to above-mentioned syringe main body the bellying forming above, and among the needle guard of above-mentioned front and back is used swinging axle, the needle guard of one party forms hollow tubular with swinging axle, the opposing party's needle guard with swinging axle by intercalation and be bearing in the needle guard swinging axle of the one side that forms hollow tubular by axle, two needle guards are made diad structure with swinging axle.
The invention of technical scheme 5, in the invention of technical scheme 4, it is characterized in that, the looper that cooperates with the above-mentioned eedle moving up and down and form needle tracking is configured in above-mentioned space, this looper is arranged on to the curved needle shaft of one end, can rotate and by axle, be bearing on the lining that is installed on support sidewall axially slidably, and it is parallel and make with the needle guard that becomes above-mentioned diad structure outstanding in abreast from above-mentioned support to above-mentioned space at above-below direction with swinging axle that this curved needle shaft is made projected direction with syringe main body.
The invention of technical scheme 6, in the invention of technical scheme 4 or 5, it is characterized in that, make the needle guard swinging axle of the above-mentioned front and back of diad structure, its one end is outstanding in respectively from the side of the bellying before above-mentioned syringe main body to above-mentioned space, the needle guard of above-mentioned front and back has been installed respectively on this ledge, and near the needle guard of the front and back side of above-mentioned bellying is with on swinging axle, in periphery extrapolation oil sealing.
The effect of invention
According to the invention of technical scheme 1, from syringe main body above to the position that does not need fuel feeding feeding platform outstanding in the space being surrounded by syringe main body and radiator grille, the feeding tooth of ledge that is arranged on this feeding platform and looper, in above-mentioned space, do not carry out fuel feeding, so even feeding tooth is communicated with above-mentioned space with slotted eye, become the peristome in this space, lubricating oil can not leak out and the cloth of making dirty with slotted eye from above-mentioned feeding tooth yet.In syringe main body, carry out fuel feeding, but because syringe main body is closed structure, be not communicated with slotted eye with feeding tooth, so lubricating oil can not leak out.Even if exist in addition the dust such as Soft flocks to enter situation such in above-mentioned space from feeding tooth with slotted eye, can not bring obstacle to the action of feeding tooth, looper yet.And, because the driving mechanism of looper is not arranged in syringe portion, and be arranged in Sewing machines support, so can be correspondingly by the miniaturization of syringe portion.
According to the invention of technical scheme 2, because do not need the position of fuel feeding on the looper in above-mentioned space and curved needle shaft, so lubricating oil can not leak on needle plate with slotted eye by the feeding tooth of needle plate, and in the past case of fore-and-aft direction (cloth direction of feed) configuration, compare in syringe main body with curved needle shaft, curved needle shaft and syringe main body configure abreast, the driving mechanism of looper is arranged in Sewing machines support, so can realize the miniaturization of syringe portion.
According to the invention of technical scheme 3, except the above-mentioned effect of the invention of technical scheme 1, the lubricating oil that can also prevent from being reliably attached on curved needle shaft is carried in above-mentioned space by the axial advance and retreat of looper.
According to the invention of technical scheme 4, because do not need in the space being surrounded by syringe main body and radiator grille to feeding platform outstanding before syringe main body, the fuel feeding such as needle guard of front and back, do not carry out to fuel feeding in above-mentioned space, so even feeding tooth is communicated with above-mentioned space with slotted eye, become the peristome in this space, lubricating oil can not leak out and the cloth of making dirty with slotted eye from above-mentioned feeding tooth yet.Although carry out fuel feeding in syringe main body, because syringe main body is closed structure, be not communicated with slotted eye with feeding tooth, so lubricating oil can not leak out.Make to be in addition configured in the needle guard swinging axle of the front and back that the needle guard of the front and back in above-mentioned space swings, the axle that becomes a side forms tubular, the diad structure of the opposing party's axle intercalation in a side axle, so the space that needle guard only need to be measured with an axle accordingly with swinging axle.Therefore, syringe main body is carried out to closure, even needle guard is configured in to syringe main body, also can the girth of syringe portion be suppressed littlely outward, the miniaturization of syringe portion becomes possibility.
According to the invention of technical scheme 5, because drive the curved needle shaft of looper to configure abreast with the projected direction of syringe main body in above-mentioned space, and above-mentioned needle guard configures at above-below direction abreast with swinging axle and curved needle shaft, so can not produce roomyization in above-mentioned space, can be by the miniaturization of syringe portion.
According to the invention of technical scheme 6 because the needle guard of front and back with the periphery of swinging axle respectively extrapolation oil sealing, so can stop reliably lubricating oil to use swinging axle to the internal leakage of above-mentioned space by needle guard.
Accompanying drawing explanation
Fig. 1 is the stereogram of syringe support Sewing machines.
Fig. 2 is the top view of major part of the syringe portion of this Sewing machines.
Fig. 3 is the stereogram of major part of having pulled down the syringe support Sewing machines of needle plate and radiator grille.
Fig. 4 is the top view of having pulled down the syringe portion of radiator grille and needle plate.
Fig. 5 is its front view.
Fig. 6 is the B-B line cutaway view of Fig. 2.
Fig. 7 is the A-A line cutaway view of Fig. 2.
The stereogram of Tu8Shi needle guard mechanism.
The top view of Tu9Shi needle guard mechanism.
Figure 10 is the cutaway view that is enclosed in the major part of the needle guard mechanism in syringe main body.
Figure 11 is the exploded perspective view of needle guard mechanism.
The specific embodiment
Fig. 1 means the figure that possesses the syringe support Sewing machines 3 of using from the dual chain-type stitch of the Sewing machines support 1 syringe portion 2 outstanding to side, syringe portion 2 consists of syringe main body 4 and radiator grille 6, and this radiator grille 6 can be arranged on opening and closing of this syringe main body 4 above rotationally by hinge 5.This radiator grille 6 consists of the upper face shield 6a of portion and the 6b of side cover portion, on this, the 6a of face shield portion makes in the left and right of needle plate 8 and needle plate 8 flush, cover space S described later above, before the 6b of this side cover portion covering syringe main body 4, form with the above-mentioned upper face shield 6a of portion, cover space S described later before.
In Fig. 2, the 9th, run through that needle plate 8 ground form, the wrong pin hole that eedle 10 moves up and down, the 11st, the feeding tooth slotted eye forming along direction of feed in the both sides all around in wrong pin hole 9, the 12nd, be configured in the main feeding tooth in slotted eye 11 for feeding tooth of the rear side in wrong pin hole 9, the 13rd, be configured in the differential feed tooth in slotted eye 11 for feeding tooth of the front side in wrong pin hole 9, each feeding tooth 12 and 13, whichsoever all by feed mechanism described later at feeding tooth with moving forward and backward when needle plate 8 haunts in slotted eye 11, making to cover the cloth inserting on syringe portion 2 ground sends to the fore-and-aft direction of the bearing of trend quadrature with syringe portion.In the drawings, the 14th, the upper face shield of syringe main body 4, the side end face of syringe main body 4 is stopped up fixing by the end face cover 15 shown in Fig. 1 and Fig. 3 described later.Needle plate 8 is fixed on the upper above of needle plate bracket 26 by limit screw 7,7, needle plate bracket 26 be arranged on face shield 14 above on.In addition, above-mentioned radiator grille 6 also can be installed with pulling down, replaces opening and closing by take hinge 5 to be fulcrum rotating.
Fig. 3 is outstanding to side from Sewing machines support 1, pull down the stereogram of major part of the syringe support Sewing machines 3 of radiator grille 6 and needle plate 8, Fig. 4 is the top view of pulling down the syringe portion 2 of radiator grille 6 and needle plate 8, Fig. 5 is its front view, Fig. 6 is the cutaway view on the B-B line of Fig. 2, Fig. 7 is the cutaway view on its A-A line, feed mechanism there is main feeding platform 16 and the differential feed platform 17(that is set up in parallel with this main feeding platform 16 with reference to Fig. 4), each feeding platform 16 and 17 is respectively by being arranged on the oil-cutting device 18 on the antetheca 4a of syringe main body 4 and being cut oil, side-prominent from the interior front to this syringe main body 4 of syringe main body 4, become and move forward and backward and move up and down, at each feeding platform 16, above-mentioned main feeding tooth 12 and differential feed tooth 13 have been installed respectively in 17 ledge end.
Comprise main feeding platform 16 and differential feed platform 17 at interior feed mechanism, driven with linking from the interior not shown main shaft towards the 4 interior configurations of syringe main body of Sewing machines support 1, feed mechanism in syringe main body 4, in the syringe main body 4 of closed structure, carry out fuel feeding, but this feed mechanism self is known structure, owing to not being characteristic of the present invention, so the diagram of omission is omitted further instruction.
If oil-cutting device 18 is carried out to summary description, by guide plate 21; Lid is upper above to this guide plate 21, is latchingly fixed on the stack frame 22 on the antetheca 4a of the above-mentioned syringe main body 4 shown in Fig. 3 together with guide plate 21 by limit screw 19; Be configured between guide plate 21 and stack frame 22, action before and after being limited by both, the a pair of sealing plate 23 that only can move up and down forms, on guide plate 21 and stack frame 22, having formed above-mentioned main feeding platform 16 and differential feed platform 17 can individually pass through movably forward and backward, and allow the vertical hole 24 moving up and down of each feeding platform 16,17, on a pair of sealing plate 23, formed in addition the vertical hole 25 that main feeding platform 16 and differential feed platform 17 individually only can pass through movably forward and backward.Fig. 7 has only represented the vertical hole 24 and 25 that main feeding platform is used, and does not represent the vertical hole that differential feed platform is used, but the inboard (Sewing machines support side) of the vertical hole 24 that the vertical Kong Zhu feeding platform that differential feed platform is used is used and 25 forms abreast with vertical hole 24 and 25.
According to this device 18, if by omitting the rotary actuation of illustrated above-mentioned main shaft, main feeding platform 16 and differential feed platform 17 move up and down when moving forward and backward, under the state of the action of a pair of sealing plate 23 between guide plate 21 and stack frame 22 before and after limiting being clipped by guide plate 21 and stack frame 22, follow moving up and down of feeding platform 16 and 17 and only move up and down, wipe the lubricating oil adhering to during by sealing plate 23 at each feeding platform 16,17 and cut oil, can in above-mentioned space, not spill lubricating oil.
In the side of the left side wall from Sewing machines support 1 1a side and syringe main body 4 abreast the outstanding lining 27 arranging left, curved needle shaft 28 can rotate and by axle, be supported slidably at the projected direction (left and right directions of Fig. 4) that is axially syringe main body 4, curved needle shaft 28 becomes base portion and links with not shown looper drive in Sewing machines support 1, by this looper drive, rotated, simultaneously in axial advance and retreat, front end at curved needle shaft 28 has been installed looper 29 through looper erecting bed 31, looper 29 becomes as is well known, cooperate with eedle 10 and form dual chain-type stitch.In figure, 32 are mounted in the leading section of lining 27 and carry out the oily oil sealing that cuts of curved needle shaft 28.
In the syringe support Sewing machines of present embodiment, as shown in Figure 2, Figure 6 and Figure 7, the feeding tooth of needle plate 8 is surrounded by syringe main body 4 and radiator grille 6 with slotted eye 11 and becomes the opening being communicated with the space S that has set above-mentioned looper 29, needle guard 33, but the syringe main body 4 of not stopping up with by upper face shield 14 and end face cover 15 and oil-cutting device 18 and becoming closed structure is communicated with, and does not carry out opening in syringe main body 4.Syringe main body 4 becomes closed structure thus.
33Shi needle guard mechanism shown in Fig. 3, Fig. 7, the stereogram of Tu8Shi Gai needle guard mechanism, the top view of Tu9Shi Gai needle guard mechanism, the major part cutaway view of Figure 10 Shi Gai needle guard mechanism, Figure 11 is the exploded perspective view that forms the part of this needle guard mechanism.Form a pair of needle guard 35,36 in front and back of needle guard mechanism below needle plate 8, be configured in the front and back of running through the eedle 10 that 9 ground, wrong pin hole move up and down.
Among needle guard 35,36, the front needle guard 35 of front side screw 53 is as shown in Figure 11 fixed on the front end of erecting bed 37 for front needle guard, and this front needle guard is fixed on one end of front needle guard use swinging axle 41 with the cardinal extremity of erecting bed 37 screw 55 as shown in Figure 11.Front swinging axle 41 for needle guard, as shown in figure 10, can sway ground intercalation axle be bearing in the rear needle guard that forms hollow tubular with in swinging axle 42 and form diad structures with rear needle guard with swinging axle 42, its right-hand member needle guard from this is given prominence to right-hand with swinging axle 42, the cardinal extremity of bar 43 for needle guard before this right-hand member is fixed wtih by screw 57.At front needle guard, with one end (left end) of swinging axle 41, back-up ring 39 has been installed, to avoid 37 the past of erecting bed needle guard of front needle guard 35 to come off with the axle head of swinging axle 41.
As shown in figure 10, rear needle guard is with swinging axle 42 left and right and establish and formed major diameter part and small diameter portion, and this small diameter portion can be swayed and is bearing in lining 48 by axle.Lining 48 is fixed on the bellying 4b(bloating to syringe main body 4 above with reference to Fig. 3).In addition, on lining 48, formed oilhole 48a, to a part for the lubricating oil of syringe main body 4 interior supplies, by this oilhole 48a, to lining 48 and rear needle guard, with the sliding part of swinging axle 42, supplied with.From then on the left surface of bellying 4b is outstanding to left with the left end of swinging axle 42 for rear needle guard, the cardinal extremity of erecting bed 38 for needle guard after this left end screw 56 is as shown in Figure 11 fixing.Needle guard 36 after rear needle guard is installed with the front end of erecting bed 38 screw 54 as shown in Figure 11.Rear needle guard from lining 48 to right-hand outstanding, is used the cardinal extremity of bar 44 with the right-hand member of swinging axle 42 by the fixing rear needle guard of screw 58 at this right-hand member.
As mentioned above, the needle guard 35,36 of front and back, the needle guard of front and back are given prominence to and are configured in space S from the left surface of the bellying 4b of syringe main body 4 with the left end of swinging axle 41,42 with the needle guard of erecting bed 37,38 and front and back, but near above-mentioned bellying 4b between the needle guard of front and back is with swinging axle 41,42 and rear needle guard be provided with respectively oil sealing 51,49 between with swinging axle 42 and lining 48, avoid leaking to above-mentioned space S between the lubricating oil of each between centers.In addition, the lubricating oil that needle guard is supplied with the sliding part of swinging axle 42 and lining 48 backward, its surplus is back in syringe main body 4 by being arranged on the groove 4c shown in the Figure 10 in syringe main body 4.
As shown in Fig. 8 and Figure 11, on main shaft 34, by screw 52,52 fixed eccentrics 47, on the eccentric part of this eccentric wheel 47, can link rotationally respectively front needle guard and with bar 45 and rear needle guard, use the cardinal extremity of bar 46.Front needle guard can link with the front end of bar 44 with bar 43 and rear needle guard with front needle guard respectively with the front end of bar 46 rotationally with bar 45 and rear needle guard.If main shaft 34 is to a direction rotation, the needle guard of the front and back shown in Figure 10 swings around axle with swinging axle 41,42, and the needle guard 35,36 of front and back swings forwards, backwards.The swing of the needle guard 35,36 before and after this, needle guard 35,36 and eedle 10 before and after when 9 ground, wrong pin hole that run through needle plate 8 at eedle 10 decline closely guide moving up and down of eedle 10, leave eedle 10 at eedle 10 when rising on needle plate 8.In addition, as shown in Fig. 3, Figure 10, the needle guard of front and back is bearing in above-mentioned bellying 4b with swinging axle 41,42 by axle, front needle guard is housed in bellying 4b with the cardinal extremity of bar 44 with bar 43 and rear needle guard, and front needle guard is housed in syringe main body 4 with bar 45 and rear needle guard with front needle guard by the front of bar 44 with bar 43 and rear needle guard together with bar 46.Therefore the situation that the needle guard that, does not exist lubricating oil to pass through front and back uses bar 45,46 to leak to space S with the needle guard of bar 43,44 and front and back.
As described above, because the swinging axle 41,42 for needle guard of the front and back of needle guard 35,36 swings before and after making, the diad structure of the axle intercalation that becomes a side in the opposing party's axle, so the space that only need to measure accordingly with an axle, even if thereby the needle guard of front and back is configured in outside syringe main body 4, roomyization that also can be suppressed at the space S forming between syringe main body 4 and radiator grille 6, can realize the miniaturization of syringe portion 2.
In addition, because swinging axle 41,42 for the needle guard of the front and back of curved needle shaft 28 and above-mentioned diad structure, at above-below direction, configure abreast, and the bearing of trend (left and right directions) of each axle and syringe main body 4 configures abreast, therefore can further suppress roomyization of space S, can reduce the girth of syringe portion 2, can syringe portion 2 be made small-sized.
According to the syringe support Sewing machines of present embodiment, carry out in the feed mechanism of fuel feeding and syringe main body 4 that needle guard driving mechanism is accommodated in closed structure, the looper drive of same fuel feeding is configured in Sewing machines support 1 in addition, needle guard to feeding platform 16,17, curved needle shaft 28 and the front and back of feed mechanism outstanding in the space S of being surrounded by syringe main body 4 and radiator grille 6 is cut oil with swinging axle 41,42, so can not produce following problem,, lubricating oil disperses with slotted eye 11 by the feeding tooth being communicated with above-mentioned space S, the cloth of making dirty on needle plate.
Although exist the dust such as Soft flocks from slotted eye 11 for feeding tooth, particularly the slotted eye of feeding tooth 12,13 front and back partly enters the danger in above-mentioned space S, even if but dust enters, because there is no lubricating oil in space S, also the sliding-contact position that there is no feed mechanism, looper 29 and needle guard 33, so also no problem, can not bring obstacle to the action of feeding tooth 12,13, looper 29 and needle guard 35,36.In addition, as mentioned above, because syringe main body 4 becomes closed structure, so entered the dust of above-mentioned space S, do not invade in syringe main body 4 yet, hinder the danger of the driving that is configured in each mechanism in this syringe main body 4.
In addition, because the actuator configuration of looper 29, in Sewing machines support 1, is not arranged in syringe portion, so can correspondingly make 2 miniaturizations of syringe portion.And then, because the needle guard of curved needle shaft 28 and front and back is parallel with the bearing of trend of syringe main body 4 in above-mentioned space S with swinging axle 41,42, and configuration up and down, so while also can make syringe main body 4 closures make 2 miniaturizations of syringe portion.
Symbol description:
1: Sewing machines support
2: syringe portion
3: syringe support Sewing machines
4: syringe main body
6: radiator grille
8: needle plate
9: wrong pin hole
10: eedle
11: feeding tooth slotted eye
12: main feeding tooth
13: differential feed tooth
16: main feeding platform
17: differential feed platform
18: oil-cutting device
28: curved needle shaft
29: looper
33: needle guard mechanism
35: front needle guard
36: rear needle guard
41: front needle guard swinging axle
42: rear needle guard swinging axle
48: lining
49,51: oil sealing
S: space

Claims (6)

1. a syringe support Sewing machines, have from support outstanding to side, cover and insert the syringe portion of the cloth of tubular, needle plate has been installed in the above by this syringe portion, the front and back in the wrong pin hole that this needle plate penetratingly moves up and down at eedle have formed feeding tooth slotted eye, and this syringe portion is built-in makes to be configured in and when above-mentioned feeding tooth haunts with the feeding tooth in slotted eye, makes feed mechanism that feeding tooth moves forward and backward and cooperate with the eedle that runs through above-mentioned wrong pin hole and move up and down and form the looper of needle tracking, it is characterized in that
Above-mentioned syringe portion by syringe main body and can openedly and closedly be arranged on this syringe main body above on radiator grille form, be accommodated in syringe main body and there is feeding platform by the feed mechanism of fuel feeding, this feeding platform, its part is cut oil from syringe main body by oil-cutting device, in the space forming between syringe main body and radiator grille, give prominence to, above-mentioned feeding tooth is installed on the ledge of feeding platform outstanding in this space, and the looper that the looper drive with being arranged in support is linked is configured in above-mentioned space, above-mentioned feeding tooth is formed on above and between radiator grille of syringe main body with slotted eye in addition, and with the space that has configured above-mentioned feeding tooth and looper opening communicatively, be not communicated with syringe main body, syringe main body is made to closed structure.
2. the syringe support Sewing machines of recording as claim 1, is characterized in that,
The curved needle shaft of looper has at one end been installed, can have been rotated and by axle, be bearing in the lining of the sidewall that is installed on support axially slidably, and configured highlightedly abreast with the projected direction of syringe main body in from above-mentioned support to above-mentioned space.
3. the syringe support Sewing machines of recording as claim 2, is characterized in that,
At axle, support the front end of the lining of above-mentioned curved needle shaft oil sealing has been installed.
4. a syringe support Sewing machines, have from support outstanding to side, cover and insert the syringe portion of the cloth of tubular, needle plate has been installed in the above by this syringe portion, the front and back in the wrong pin hole that this needle plate penetratingly moves up and down at eedle have formed feeding tooth slotted eye, and this syringe portion is built-in make to be configured in when above-mentioned feeding tooth haunts with the feeding tooth in slotted eye, make feed mechanism that feeding tooth moves forward and backward and with the above-mentioned eedle that runs through above-mentioned wrong pin hole and move up and down synchronously forwards, backwards direction swing, when above-mentioned eedle drops under needle plate and this eedle closely guide the needle guard of the front and back that move up and down of this eedle, it is characterized in that,
Above-mentioned syringe portion by syringe main body and can openedly and closedly be arranged on this syringe main body above on radiator grille form, be accommodated in syringe main body and there is feeding platform by the feed mechanism of fuel feeding, this feeding platform, its part is cut oil by oil-cutting device from syringe main body, in the space being formed between syringe main body and radiator grille, give prominence to, above-mentioned feeding tooth has been installed on the ledge of feeding platform outstanding in this space, in addition above-mentioned feeding tooth with the configuration before slotted eye and syringe main body and between radiator grille the space opening communicatively of above-mentioned feeding tooth, be not communicated with syringe main body, syringe main body is made to closed structure, the needle guard of above-mentioned front and back is configured in above-mentioned space, make each needle guard direction swings forwards, backwards respectively swinging axle and rear needle guard swinging axle for front needle guard, parallel with the projected direction of syringe portion and can sway by axle, be bearing in and bloat to above-mentioned syringe main body the bellying forming above, and among the needle guard of above-mentioned front and back is used swinging axle, the needle guard of one party forms hollow tubular with swinging axle, the opposing party's needle guard with swinging axle by intercalation and be bearing in the needle guard swinging axle of the one side that forms hollow tubular by axle, two needle guards are made diad structure with swinging axle.
5. the syringe support Sewing machines of recording as claim 4, is characterized in that,
The looper that cooperates with the above-mentioned eedle moving up and down and form needle tracking is configured in above-mentioned space, this looper is arranged on to the curved needle shaft of one end, can rotate and by axle, be bearing on the lining that is installed on support sidewall axially slidably, and it is parallel and make with the needle guard that becomes above-mentioned diad structure outstanding in abreast from above-mentioned support to above-mentioned space at above-below direction with swinging axle that this curved needle shaft is made projected direction with syringe main body.
6. as claim 4 or the 5 syringe support Sewing machiness of recording, it is characterized in that,
Make the needle guard swinging axle of the above-mentioned front and back of diad structure, its one end is outstanding in respectively from the side of the bellying before above-mentioned syringe main body to above-mentioned space, the needle guard of above-mentioned front and back has been installed respectively on this ledge, near the needle guard of the front and back side of above-mentioned bellying is with on swinging axle, in periphery extrapolation oil sealing.
CN201310301258.0A 2012-09-06 2013-07-18 Needle cylinder machine base sewing machine Active CN103668813B (en)

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JP2012195635A JP6095302B2 (en) 2012-09-06 2012-09-06 Cylinder bed sewing machine
JP2012-195635 2012-09-06
JP2012205141A JP6122592B2 (en) 2012-09-19 2012-09-19 Cylinder bed sewing machine
JP2012-205141 2012-09-19

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Publication number Priority date Publication date Assignee Title
CN203360807U (en) * 2012-09-06 2013-12-25 飞马缝纫机制造株式会社 Needle cylinder machine base sewing machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6221557B2 (en) * 1980-12-24 1987-05-13 Brother Ind Ltd
CN1517471A (en) * 2003-01-17 2004-08-04 重机公司 Needle plate
JP2005027846A (en) * 2003-07-11 2005-02-03 Juki Corp Sewing machine
EP1705279A2 (en) * 2005-03-23 2006-09-27 Brother Kogyo Kabushiki Kaisha Needle plate
US8215250B2 (en) * 2009-01-09 2012-07-10 Brother Kogyo Kabushiki Kaisha Needle plate and sewing machine provided therewith
CN203360807U (en) * 2012-09-06 2013-12-25 飞马缝纫机制造株式会社 Needle cylinder machine base sewing machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS498358A (en) * 1972-05-13 1974-01-24
JPS56121583A (en) * 1980-03-01 1981-09-24 Pegasus Sewing Machine Mfg Co Receiver for needle of sewing machine
JP4844846B2 (en) * 2008-02-08 2011-12-28 ヤマトミシン製造株式会社 Female drive unit for feeding arm type flat stitch sewing machine
JP5216407B2 (en) * 2008-04-30 2013-06-19 ペガサスミシン製造株式会社 Delivery arm type sewing machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6221557B2 (en) * 1980-12-24 1987-05-13 Brother Ind Ltd
CN1517471A (en) * 2003-01-17 2004-08-04 重机公司 Needle plate
JP2005027846A (en) * 2003-07-11 2005-02-03 Juki Corp Sewing machine
EP1705279A2 (en) * 2005-03-23 2006-09-27 Brother Kogyo Kabushiki Kaisha Needle plate
US8215250B2 (en) * 2009-01-09 2012-07-10 Brother Kogyo Kabushiki Kaisha Needle plate and sewing machine provided therewith
CN203360807U (en) * 2012-09-06 2013-12-25 飞马缝纫机制造株式会社 Needle cylinder machine base sewing machine

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