CN1456734A - Lubricating grease feeding mechanism of sewing machine - Google Patents

Lubricating grease feeding mechanism of sewing machine Download PDF

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Publication number
CN1456734A
CN1456734A CN 03130779 CN03130779A CN1456734A CN 1456734 A CN1456734 A CN 1456734A CN 03130779 CN03130779 CN 03130779 CN 03130779 A CN03130779 A CN 03130779A CN 1456734 A CN1456734 A CN 1456734A
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CN
China
Prior art keywords
lubricating grease
feeding mechanism
sewing machines
filling
component
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Granted
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CN 03130779
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Chinese (zh)
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CN1318672C (en
Inventor
岩越弘恭
水谷智晴
大利人美
池田尚文
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Brother Industries Ltd
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Brother Industries Ltd
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Priority claimed from JP2002133616A external-priority patent/JP4120921B2/en
Priority claimed from JP2002168077A external-priority patent/JP2004008601A/en
Application filed by Brother Industries Ltd filed Critical Brother Industries Ltd
Publication of CN1456734A publication Critical patent/CN1456734A/en
Application granted granted Critical
Publication of CN1318672C publication Critical patent/CN1318672C/en
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Abstract

The invention relates to a lubricating grease feeding mechanism of sewing machine for supplying lubricating grease to the slide between the axes component and the bearing component, the lubricating grease feeding mechanism of sewing machine is provided with a lubricating grease filling room filling from outside on a first component or a second component, and a lubricating grease feeding path communicating the lubricating grease filling room with the slide, the lubricating grease is filled in the room and pressed by the pressing device to supply the lubricating grease filling in the room to the slide.

Description

The lubricating grease feeding mechanism of Sewing machines
[technical field]
The present invention relates between shaft component and axle, supply with the lubricating grease feeding mechanism of the Sewing machines of lubricating grease.
[background technology]
In Sewing machines, and turn round between the tubular bearing of freely supporting these shaft components and supply with lubricating grease to the upward shaft component such as axle (main shaft) and lower shaft that for example will move moving Give needle bar drive device of power biography and container mechanism, to be lubricated.The purpose of such grease lubrication is to reduce the number of times of ordinary maintenance, inspection.
The supply (Bu Give of lubricating grease between shaft component and bearing) generally carries out with special devices such as grease gun or lubricating grease nozzles.Particularly at a high speed, lubricating grease De Bu Give frequency height in the industrial sewing machines that use continuously under the high-load condition, thereby lubricating grease De Bu Give operation becomes the thing of trouble.
In addition, around sliding part, mix other parts and member and not having in the Sewing machines of excess room, do not dismantle parts and member, under intact state, use lubricating grease nozzle or grease gun, make and supply with the lubricating grease difficulty that becomes.
The objective of the invention is to, a kind of lubricating grease feeding mechanism of Sewing machines is provided, this lubricating grease feeding mechanism for the 1st member and with the 2nd member of contact of above-mentioned the 1st member face and relative slip between sliding part, can be reliably and supply with lubricating grease simply, even and above-mentioned sliding part around do not have excess room can dispose yet.
[summary of the invention]
The present invention relates to the lubricating grease feeding mechanism of Sewing machines, to the 1st member and with the 2nd member of contact of above-mentioned the 1st member face and relative slip between sliding part supply lubricating grease, it is characterized in that, comprise: on above-mentioned the 1st member or the 2nd member, establish with above-mentioned sliding part be communicated with, can be from the lubricating grease filling chamber of outside filling lubricating grease with by making the indoor pressurization of above-mentioned lubricating grease filling, the lubricating grease that above-mentioned filling is indoor supply with the pressue device of above-mentioned sliding part.
Above-mentioned the 1st member for example is made of the shaft component that revolutions such as main shaft drive, and the 2nd member is made of the bearing components of supporting above-mentioned shaft component pivotally etc.
In addition, can on above-mentioned the 1st member or the 2nd member, establish the lubricating grease supply passageway, be communicated with above-mentioned lubricating grease filling chamber and above-mentioned sliding part constitutes by above-mentioned lubricating grease supply passageway.
In the above-described configuration and since with lubricating grease filling chamber be located at the 1st member that constitutes sliding part or the 2nd member from one's body, so even sliding part around not have the space of having more than needed, also can dispose lubricating grease feeding mechanism.And, owing to the indoor lubricating grease pressurization of lubricating grease filling is constituted, so can reliably and simply supply with lubricating grease to sliding part.
At this moment, can establish the screw that is communicated with above-mentioned lubricating grease filling chamber, constitute above-mentioned pressue device by the spiral component that is screwed in the above-mentioned screw.Thereby can constitute pressue device simply.
In addition, also can establish the hole portion of the tubular that is communicated with above-mentioned lubricating grease filling chamber, constitute by piston component that is mounted slidably in above-mentioned hole portion and the spring member that makes above-mentioned piston component Fu Neng Give lubricating grease filling chamber side.According to above-mentioned formation, owing to can the indoor lubricating grease of lubricating grease filling be pressurizeed frequently by piston component, lubricating grease that can be lavishly that the lubricating grease filling is not indoor be supplied with sliding part.
[simple declaration of accompanying drawing]
Fig. 1 is the oblique view that the inside of the expression embodiment of the invention 1, expression two needle sewing machines constitutes.
Fig. 2 is the front view that peripheral part of lubricating grease feeding mechanism is amplified in expression.
Fig. 3 is the profilograph along the 3-3 line of Fig. 2.
Fig. 4 is the figure suitable with Fig. 2 of the expression embodiment of the invention 2.
Fig. 5 is the figure suitable with Fig. 3 of the expression embodiment of the invention 3.
Fig. 6 is the profilograph of the lubricating grease feeding mechanism of the expression embodiment of the invention 4.
Fig. 7 is the figure suitable with Fig. 2 of the expression embodiment of the invention 5.
Fig. 8 is the figure suitable with Fig. 3.
Fig. 9 is the profilograph along the 9-9 line of Fig. 8.
Figure 10 is the figure suitable with Fig. 9 of the expression embodiment of the invention 6.
[specific embodiment]
For at length narrating the present invention, describe with reference to the accompanying drawings.
At first, Fig. 1~Fig. 3 represents the present invention is used for the embodiment 1 of two needle sewing machines.As shown in Figure 1, two needle sewing machine M have: the base plate 1 that left and right directions is long, the uprights 2 of being extended upward by the right part of above-mentioned base plate and the arm 3 that extends to left with the base plate subtend, by uprights 2.
In the inside of above-mentioned arm 2, set the main shaft 5 (being equivalent to shaft component) and the shank axis of rocking 6 that extend along left and right directions up and down.The right part of main shaft 5 is projected into the outside from arm 2, and fast pulley 7 on this ledge.With belt (not shown) above-mentioned belt pulley 7 is connected with the belt pulley that is driven by motor of sewing machine, then just can turns round driving main shaft 5 by above-mentioned motor of sewing machine.
Establish head 4 in the left part of above-mentioned arm 2.Establish inside at above-mentioned head 4: bent axle 8, crankshaft-link rod 9, shank embrace 10, shank 11, shank support member 12 and have the cantilever mechanism 15 of cantilever 16.Above-mentioned bent axle 8 is fixed on the left part of main shaft 5.Above-mentioned crankshaft-link rod 9, its upper end revolution freely is connected with above-mentioned bent axle 8, and its bottom revolution is freely embraced 10 with shank and is connected.The bottom of above-mentioned shank 11 is more outstanding than head 4, and 2 pins 13 are being adorned in its bottom.
The middle part, way of shank 11 keeps shank to embrace 10.And be positioned at the part that shank is embraced 10 top and the bottom in the above-mentioned shank 11, be supported on the shank support member 12 the above-below direction free sliding.According to above-mentioned formation, when main shaft 5 revolution drives, by bent axle 8 and crankshaft-link rod 9, shank embrace 10 and shank 11 up and down reciprocatingly driven.
In addition, drive shank axis of rocking 6 by revolution, shank 11 shakes driving simultaneously with shank support member 12 fore-and-aft direction.In addition, with moving synchronously up and down of shank 11, fluctuating in predetermined timing drives cantilever 16, reach the standard grade (not shown) of tying tight.
On the other hand, as Fig. 1~shown in Figure 3, freely support the middle part, way of above-mentioned main shaft 5 with tubular bearing 20 (being equivalent to bearing components) revolution.Above-mentioned bearing 20 is engaged in the installing rack 21 that is fixed on the Sewing machines shell.Above-mentioned main shaft 5 is inserted and is led in above-mentioned bearing 20, and the inner face face of the outer peripheral face of main shaft 5 and bearing 20 contacts.And because of main shaft 5 revolutions, the outer peripheral face of main shaft 5 slides with respect to the inner face of bearing 20.In the present embodiment, main shaft 5 is equivalent to the 1st member, and bearing 20 and installing rack 21 are equivalent to the 2nd member.
In addition, in main shaft 5, be positioned on the part of right part of bearing 20 and insert logical locating ring (set collar) 22, and fix with little spiral shell Nail 22a.Above-mentioned locating ring 22 contacts with bearing 20, thereby can limit main shaft 5 moving to left.
In addition, the slipper (hereinafter referred to as sliding part 25) of 20 on main shaft 5 and bearing is lubricated by the lubricating grease of supplying with by lubricating grease feeding mechanism 30 and constitutes.Below, Yi Bian with reference to Fig. 2 and Fig. 3, Yi Bian lubricating grease feeding mechanism 30 is described.
The lubricating grease pack hole 31 (being equivalent to lubricating grease filling chamber) of vertical core shape is established at the rear portion of the part of configuration bearing 20 in installing rack 21.The top of above-mentioned lubricating grease pack hole 31 is opening on installing rack 21, can be from the outside to lubricating grease pack hole 31 filling lubricating grease by this opening.The lower end part of above-mentioned lubricating grease pack hole 31 is on the height identical with main shaft 5 cardinal principles.In addition, upper end to the middle part, way from above-mentioned lubricating grease pack hole 31 forms screw 31a.In above-mentioned screw 31a, screw togather pressurization spiral component 34 (being equivalent to pressue device).Upper end at pressurization spiral component 34 forms operating groove 34a, and the front end of screwdriver etc. is closed with operating groove 34a system, can turn round the operation spiral component 34 that pressurizes.
In addition, on installing rack 21, form the cross-drilled hole 33a that extends in a generally horizontal direction by bottom to the bearing 20 of above-mentioned lubricating grease pack hole 31.In addition, on bearing 20, form oily close be communicated with and towards the cross-drilled hole 33b of main shaft 5 with cross-drilled hole 33a.Constitute lubricating grease supply passageway 33 by this cross-drilled hole 33a, 33b.
In the outer peripheral face of main shaft 5, be positioned on the part of above-mentioned bearing 20, establish the lubricating grease that constitutes by spiral goove and keep ditch 32 (being equivalent to the lubricating grease maintaining part).Above-mentioned lubricating grease keeps ditch 32 to extend around between the both ends of bearing 20 and form.In the present embodiment, the volumetric ratio lubricating grease of above-mentioned lubricating grease pack hole 31 keeps the total volume of ditch 32 and lubricating grease supply passageway 33 bigger and constitute.
In addition, at the left part of the outer peripheral face middle (center) bearing 20 of main shaft 5, form the lubricating grease derivation ditch 35 (being equivalent to the lubricating grease leading-out portion) that keeps the left part of ditch 32 to communicate with above-mentioned lubricating grease.Even above-mentioned derivation ditch 35 is located at parts and the member of not dismantling around the bearing 20, also can from the outside visual to the position on.Thereby the operator can confirm whether supplied with an amount of lubricating grease 26 to maintenance ditch 32 according to deriving the amount of the lubricating grease 26 of deriving in the ditch 35 by lubricating grease.
Lubricating grease feeding mechanism 30 keeps ditch 32, above-mentioned lubricating grease supply passageway 33, above-mentioned pressurization spiral component 34 and above-mentioned lubricating grease derivation ditch 35 to constitute by above-mentioned lubricating grease pack hole 31, above-mentioned lubricating grease.
The effect and the effect of above-mentioned formation below are described.
At first, from lubricating grease pack hole 31, unload pressurization spiral component 34, with lubricating grease filling utensil (not shown) lubricating grease 26 is filled in the lubricating grease pack hole 31 from the upper opening of above-mentioned lubricating grease pack hole 31.Then, with revolution pressurization spiral components 34 such as screwdrivers, be screwed among the screw 31a.As a result, make lubricating grease 26 pressurizations of lubricating grease pack hole 31 by the lower surface of pressurization spiral component 34.
The lubricating grease 26 of lubricating grease pack hole 31 is supplied with lubricating grease maintenance ditch 32 because of pressurized in turn by lubricating grease supply passageway 33.The lubricating grease 26 of supply lubricating grease maintenance ditch 32 keeps in the ditch 32 Yi Bian remain on above-mentioned lubricating grease, Yi Bian supply with the sliding part 25 between main shaft 5 and the bearing 20.
In addition, when an amount of lubricating grease 26 was supplied with lubricating grease maintenance ditch 32, its part was exported to lubricating grease and is derived in the ditch 35.Thereby,, just can confirm that whether an amount of lubricating grease 26 having been supplied with lubricating grease keeps ditch 32 according to confirming whether lubricating grease 26 is exported to lubricating grease and derive ditch 35.
According to such present embodiment, can be from the upper opening of lubricating grease pack hole 31 filling lubricating grease 26 simply.In addition, special devices such as grease gun that need not be always or lubricating grease nozzle, the spiral component 34 that only will pressurize is screwed among the screw 31a, just can reliably lubricating grease 6 be supplied with sliding parts 25.
Owing in bearing 20 and installing rack 21, establish lubricating grease feeding mechanism 30, thus even around sliding part 25, mix the occasion that does not have excess room because of all parts and member, also can be near above-mentioned sliding part 25 outfit lubricating grease feeding mechanism 30.In addition, parts and member around the sliding part 25 of need not dismantling, move away just can Bu Give lubricating grease.
In addition, establish with lubricating grease keep that ditch 32 is communicated with can be visual from the outside derivation ditch 35, just can confirm whether an amount of lubricating grease 26 has been supplied with lubricating grease maintenance ditch 32.Therefore, making lubricating grease supply with operation can simply and reliably carry out.
Be positioned at the spiral goove that forms on the part of bearing 20 in the outer peripheral face by main shaft 5 and constitute lubricating grease maintenance ditch 32.Thereby, the amount that remains on the lubricating grease 6 in the lubricating grease maintenance ditch 32 is increased, thereby can improve the greasy property of sliding part 25.In addition, keep ditch 32 to establish lubricating grease continuously with lubricating grease and derive ditch 35.Therefore, just can form lubricating grease by a succession of processing that on main shaft 5, forms spiral goove and derive ditch 35.
Make the volumetric ratio lubricating grease of lubricating grease pack hole 31 keep the volume of ditch 32 and lubricating grease supply passageway 33 totals bigger.Thereby, just can in lubricating grease pack hole 31, filling be the lubricating grease 26 of supply lubricating grease maintenance ditch 32 necessary amounts.
Fig. 4 is expression embodiments of the invention 2 and the figure that difference from Example 1 is described.In addition, identical with embodiment 1 part is given identical symbol.
In embodiment 2, lubricating grease feeding mechanism 30 has lubricating grease leading-out portion 35A derives ditch 35 to replace lubricating grease.The right part incised notch mouth of the bearing 20 on the right side of above-mentioned lubricating grease leading-out portion 35A by will being positioned at installing rack 21 forms.That is, on the part that lubricating grease leading-out portion 35A is located at locating ring 22 in the bearing 20 contacts.
When the rotary position of above-mentioned main shaft 5 is in lubricating grease and keeps the right part of ditch 32 and the opposed position of above-mentioned lubricating grease leading-out portion 35A (state shown in Figure 4), above-mentioned lubricating grease leading-out portion 35A is communicated with above-mentioned lubricating grease maintenance ditch 32.
In the above-described configuration, by confirming that from the outside lubricating grease 26 exports to lubricating grease leading-out portion 35A, spills on the surface of bearing 20, just can confirm that an amount of lubricating grease 26 has been supplied with lubricating grease keeps ditch 32.
In addition, because of the right side of bearing 20 and the left side face of locating ring 22 contact, so with the lubricating grease 6 that exports to lubricating grease leading-out portion 35A place can lubricating bearings 20 and locating ring 22 between sliding part.
Fig. 5 is the figure of expression embodiments of the invention 3 and explanation and the 1st embodiment difference.In addition, identical with embodiment 1 part is given identical symbol.
In this embodiment 3, establish lubricating grease leadout hole 35B and replace lubricating grease to derive ditch 35.Ditch 32 connects installing rack 21 to above-mentioned lubricating grease leadout hole 35B and bearing 20 is provided with like that according to deriving from lubricating grease, and its leading section is in surface (front) upper shed of installing rack 21.
In the above-described configuration, when supplying with lubricating grease maintenance ditch 32 with an amount of lubricating grease 26, lubricating grease keeps the part of the lubricating grease 26 in the ditch 32 to export to lubricating grease leadout hole 35B place, spills on the surface of installing rack 21.Thereby, installing rack 21 outwardly to the lubricating grease that spills from lubricating grease export mouth 35B, just can confirm that an amount of lubricating grease 26 has been supplied to lubricating grease and has kept ditch 32.
Fig. 6 is expression embodiments of the invention 4 and the figure that difference from Example 1 is described.In addition, identical with embodiment 1 part is given identical symbol.
In embodiment 4, lubricating grease feeding mechanism 30 is positioned in installing rack 21 on the part on top of bearing 20 and forms lubricating grease pack hole 31A.On the inner peripheral surface of above-mentioned lubricating grease pack hole 31A, form ridge, screw togather pressurization spiral component 34A in inside.
In addition, in the peripheral part of main shaft 5 with the corresponding part of above-mentioned lubricating grease pack hole 31A on, the lubricating grease that forms than the ring-type of broad keeps ditch 32A.And, on bearing 20, form and extend the lubricating grease supply passageway 33A that keeps ditch 32A until lubricating grease downwards from above-mentioned lubricating grease pack hole 31A.
Even in the above-described configuration, also can obtain effect and the effect identical substantially with embodiment 1.
Fig. 7~Fig. 9 is expression embodiments of the invention 5 and the figure that difference from Example 1 is described.In addition, identical with embodiment 1 part is given identical symbol.
In this embodiment 5, replace pressurization spiral component 34 to make in the lubricating grease pack hole 31 pressurization and constitute with lubricating grease pressing mechanism 39 (being equivalent to pressue device).
The formation of lubricating grease pressing mechanism 39 has: the piston component 40 that is embedded in the lid shape in the lubricating grease pack hole 31 free sliding, spring member 41 that for example constitutes by compression helical spring that makes that piston component 40 energizes and the spiral component 42 that on the screw of the upper part of lubricating grease pack hole 31, detachably screws togather.
Establish operating groove 42a in the upper end of above-mentioned spiral component 42.In addition, on spiral component 42, be formed on the necessary hole 42b of circulation of air when dismantling on the lubricating grease pack hole 31.Above-mentioned piston component 40 is made of metal or synthetic resin material, is engaged in the bottom of above-mentioned spring member 41.The upper end of above-mentioned spring member 41 is connected with above-mentioned spiral component 42.
In addition, in the present embodiment, the lubricating grease supply passageway is made of cross-drilled hole 33a, 33b and septal fossula 33c.Above-mentioned septal fossula 33c with the inner peripheral surface of bearing 20 in the connected component of above-mentioned cross-drilled hole 33b on form around full week.Above-mentioned septal fossula 33c and lubricating grease keep a part of subtend of ditch 32, are communicated with above-mentioned maintenance ditch 32.Even in the present embodiment, the volume of lubricating grease pack hole 31 volume that also keeps ditch 32 and lubricating grease supply passageway 33 to add up to than lubricating grease is bigger and constitute.
In addition, in the present embodiment, do not establish the lubricating grease shown in the 1st embodiment and derive ditch 35.
In the above-described configuration, by from lubricating grease pack hole 31, unloading lubricating grease pressing mechanism 39, can be from the upper opening of lubricating grease pack hole 31 filling lubricating grease 26 simply.
In addition, behind an amount of lubricating grease 26 of lubricating grease pack hole 31 fillings, above-mentioned lubricating grease pressing mechanism 39 is contained in the lubricating grease pack hole 31 in the following order.That is, at first piston component 40 is embedded the lubricating grease pack hole, under the state of accommodating above-mentioned spring member 41, spiral component 42 is screwed in the screw of lubricating grease pack hole 31.And the front end system of screwdriver is combined on the operating groove 42a, revolving spiral member 42 is screwed into above-mentioned spiral component 42 in the screw.
Under the state of lubricating grease pressing mechanism 39 in being contained in lubricating grease pack hole 31,, make piston component 40 energize and constitute downwards with certain power of energizing substantially by spring member 41 no matter the position of the piston component 40 in the lubricating grease pack hole 31 how.So by piston component 40, the lubricating grease 26 in the lubricating grease pack hole 31 is often pressurized, supplies with lubricating grease by lubricating grease supply passageway 33 and keep ditch 32.Therefore, in keeping ditch 32, can be the state of an amount of lubricating grease of frequent maintenance 26, and then can keep ditch 32 to supply with sliding part 25 reliably by above-mentioned lubricating grease lubricating grease 26.
That is to say that the lubricating grease 26 that is filled in the lubricating grease pack hole 31 can be supplied with sliding part 25 residual hardly, continuously.Thereby, make sliding part 25 can access steady in a long-term lubricating.
In addition, when lubricating grease pack hole 31 unloads lubricating grease pressing mechanism 39, can from the screw of lubricating grease pack hole 31, extract with reversing screw members 42 such as screwdrivers.At this moment, spring member 41 that is connected with spiral component 42 and piston component 40 can one unload.
Thereby the lubricating grease pressing mechanism 39 that is made of spiral component 42, spring member 41, piston component 40 can easily carry out for the disassembling section of lubricating grease pack hole 31.
In addition, owing to the piston component 40, spring member 41, the spiral component 42 that constitute lubricating grease pressing mechanism 39 all are assembled in the lubricating grease pack hole 31 and use, even so sliding part 25 around not have the space of having more than needed, also lubricating grease feeding mechanism 30 can be set.
Figure 10 is expression embodiments of the invention 6 and the figure that difference from Example 5 is described.In addition, identical with embodiment 5 part is given identical symbol.
In the present embodiment, lubricating grease feeding mechanism 30 has lubricating grease maintaining part 32B replacement lubricating grease maintenance ditch 32.Above-mentioned lubricating grease maintaining part 32B is made of the ditch of the mesh shape that enforcement annular knurl processing (knurling) on the part that is positioned at bearing 20 in the outer peripheral face of main shaft 5 forms.In addition, main shaft 5 is implemented Surface Machining in annular knurl processing back, makes around the external diameter of total length impartial and constitute.
According to above-mentioned formation, because lubricating grease maintaining part 32B is than all generally expansions of sliding part 25, so lubricating grease can be supplied with each corner of lubricated portion 25 really.In addition, the formation except that above-mentioned is identical with the 5th embodiment, thereby has effect and the effect same with the 5th embodiment.
In addition, the present invention does not limit the above embodiments, for example can be according to following such modification.
In embodiment 1, can form the ring-type septal fossula that the cross-drilled hole 33b on the inner peripheral surface with bearing 20 is communicated with.By above-mentioned septal fossula, can be irrelevant with main shaft 5 rotary positions, make cross-drilled hole 33b and lubricating grease keep ditch 32 to be communicated with reliably.
In embodiment 2, for irrelevant, make lubricating grease keep ditch 32 and lubricating grease leading-out portion 35A to be communicated with reliably with the rotary position of main shaft 5, for example also can derive the ring-type septal fossula that ditch 35A is communicated with interior facial formation of bearing 20 with lubricating grease.In addition, also can on locating ring 22, form lubricating grease and derive ditch.
Even in the formation of embodiment 4, also can be if the lubricating grease leading-out portion that lubricating grease keeps the lubricating grease 26 in the ditch 32A can derive to the outside.At this moment, above-mentioned lubricating grease leading-out portion can be to form with the same lubricating grease leadout hole of the 3rd embodiment to constitute on installing rack 21 and bearing 20.
In addition, even in the formation of embodiment 5 and 6, the lubricating grease that also can establish is similarly to Example 1 derived ditch.
Also can on main shaft, form the lubricating grease pack hole, on its lubricating grease pack hole, removably adorn pressue device simultaneously.Under the occasion of rotating member as main shaft, can form the lubricating grease pack hole that the axial end face by above-mentioned main shaft axially extends.
The lubricating grease maintaining part is not limited to spiral goove and annular groove, mesh shape ditch, can adopt the ditch of different shape and size.In addition, the lubricating grease maintaining part also can be located on the inner peripheral surface of bearing.In addition, also can on two sides of the interior perimembranous of the peripheral part of main shaft and bearing, form lubricating grease and keep ditch.
The present invention also is applicable to the lubricating grease supply member of the sliding part supply lubricating grease between the bearing components of the shaft component beyond the main shaft, the relative slip with above-mentioned shaft component face contact.

Claims (16)

1. the lubricating grease feeding mechanism of a Sewing machines, be located at have the 1st member and with the Sewing machines of the 2nd member of contact of described the 1st member face and relative slip on, sliding part supply lubricating grease between described the 1st member and described the 2nd member, it is characterized in that, comprising:
On described the 1st member or the 2nd member, establish with described sliding part be communicated with, can from the lubricating grease filling chamber of outside filling lubricating grease and
Supply with the pressue device of described sliding part by making the pressurization of described lubricating grease filling chamber, the lubricating grease that described filling is indoor.
2. the lubricating grease feeding mechanism of a Sewing machines, be located at have the 1st member and with the Sewing machines of the 2nd member of contact of described the 1st member face and relative slip on, sliding part supply lubricating grease between described the 1st member and described the 2nd member, it is characterized in that, comprising:
Be located on described the 1st member or the 2nd member, can be from the lubricating grease filling chamber of outside filling lubricating grease,
Be located on described the 1st member or described the 2nd member, make lubricating grease supply passageway that described lubricating grease filling chamber and described sliding part be communicated with and
Supply with the pressue device of described sliding part by making the indoor pressurization of described lubricating grease filling, the lubricating grease that described filling is indoor.
3. the lubricating grease feeding mechanism of Sewing machines according to claim 1 and 2 is characterized in that,
Described pressue device constitutes by being located at the screw that is communicated with on described the 1st member or the 2nd member, with described lubricating grease filling chamber and dismantling the spiral component that spiral shell freely is inserted in the described screw,
By described spiral component is screwed into described screw, make the indoor pressurization of described lubricating grease filling.
4. the lubricating grease feeding mechanism of Sewing machines according to claim 1 and 2 is characterized in that,
Described pressue device is by the hole portion that is located at the tubular that is communicated with described lubricating grease filling chamber on described the 1st member or the 2nd member, be located at the piston component in the portion of described hole slidably and the spring member of the described lubricating grease filling of described piston component Fu Neng Give chamber side is constituted.
5. the lubricating grease feeding mechanism of Sewing machines according to claim 1 and 2 is characterized in that,
Described pressue device is by constituting with the lower part: the hole portion that is located at the tubular that is communicated with described lubricating grease filling chamber on described the 1st member or the 2nd member, removably spiral shell is inserted in the spiral component of described hole portion, be located at the piston component in the portion of described hole slidably, and be configured between the described spiral component and described piston component in the portion of described hole, make the spring member of the described lubricating grease filling of described piston component Fu Neng Give chamber side.
6. the lubricating grease feeding mechanism of Sewing machines according to claim 5 is characterized in that,
Described spiral component and described piston component are connected with the both ends of described spring member respectively.
7. the lubricating grease feeding mechanism of Sewing machines according to claim 1 and 2 is characterized in that,
Also have at least one side's of described the 1st member and the 2nd member surface and face lubricating grease maintaining part set on the part of described sliding part.
8. the lubricating grease feeding mechanism of Sewing machines according to claim 7 is characterized in that,
Also have at least one side who is located at described the 1st member and the 2nd member, make the interior lubricating grease of described lubricating grease maintaining part export to the lubricating grease leading-out portion of the outside of described sliding part.
9. the lubricating grease feeding mechanism of Sewing machines according to claim 7 is characterized in that,
Described the 1st member is made of the shaft component that revolution drives,
Described the 2nd member possesses the bearing components of supporting described shaft component pivotally and constitutes.
10. the lubricating grease feeding mechanism of Sewing machines according to claim 8 is characterized in that,
Described the 1st member is made of the shaft component that revolution drives,
Described the 2nd member possesses the bearing components of supporting described shaft component pivotally and constitutes.
11. the lubricating grease feeding mechanism of Sewing machines according to claim 9 is characterized in that,
Described lubricating grease maintaining part is made of the set spiral goove of part of the inside that is positioned at described bearing components in the outer peripheral face of described shaft component.
12. the lubricating grease feeding mechanism of Sewing machines according to claim 10 is characterized in that,
Described lubricating grease maintaining part is made of the set spiral goove of part of the inside that is positioned at described bearing components in the outer peripheral face of described shaft component.
13. the lubricating grease feeding mechanism of Sewing machines according to claim 10 is characterized in that,
Also have the locating ring (setcollar) that is fixed on the described shaft component, contacts by direction of principal axis with described bearing components,
Described lubricating grease leading-out portion is located between locating ring described in the described shaft component and the described bearing components.
14. the lubricating grease feeding mechanism of Sewing machines according to claim 2 is characterized in that,
Also have at least one side's of described the 1st member and the 2nd member surface and face lubricating grease maintaining part set on the part of described sliding part,
The volume that the described lubricating grease maintaining part of volumetric ratio of described lubricating grease filling chamber and lubricating grease supply passageway add up to is bigger and constitute.
15. the lubricating grease feeding mechanism of Sewing machines according to claim 7 is characterized in that,
Described lubricating grease maintaining part is by constituting by the ditch portion that implements the mesh shape that annular knurl processing (knurling) forms at least one side's of the 1st and the 2nd member surface.
16. a Sewing machines comprises: the 1st member, with the 2nd member of described the 1st member face contact and relative slip, and the lubricating grease feeding mechanism of the supply of the sliding part between described the 1st member and described the 2nd member lubricating grease, it is characterized in that,
Described lubricating grease feeding mechanism has: be located on described the 1st member or the 2nd member be communicated with described sliding part, can be from the lubricating grease filling chamber of outside filling lubricating grease with by the pressurization of described lubricating grease filling chamber, the lubricating grease that described filling is indoor are supplied with the pressue device of described sliding part.
CNB031307795A 2002-05-09 2003-05-06 Lubricating grease feeding mechanism of sewing machine Expired - Lifetime CN1318672C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2002133616 2002-05-09
JP2002133616A JP4120921B2 (en) 2002-05-09 2002-05-09 Sewing machine grease supply mechanism
JP2002168077A JP2004008601A (en) 2002-06-10 2002-06-10 Grease supply device for sewing machine
JP2002168077 2002-06-10

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102635630A (en) * 2012-04-20 2012-08-15 天津大学 Self-lubricating bearing for hydraulic steel gate
CN101397731B (en) * 2007-09-28 2013-01-23 兄弟工业株式会社 Lubricating device of sewing machine
WO2016078628A1 (en) * 2014-11-17 2016-05-26 中山市旋霸缝纫设备有限公司 Transmission mechanism, sewing machine and method for transmission mechanism lubrication
CN106757855A (en) * 2017-04-10 2017-05-31 杰克缝纫机股份有限公司 A kind of shank lubrication system of sewing machine and sewing machine
CN106757856A (en) * 2017-04-10 2017-05-31 杰克缝纫机股份有限公司 The lubrication system of looper slide bar on a kind of sewing machine and sewing machine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08196771A (en) * 1995-01-20 1996-08-06 Brother Ind Ltd Lubrication mechanism for sewing machine
JPH09164285A (en) * 1995-12-13 1997-06-24 Brother Ind Ltd Oil feeding device for sewing machine
JPH09164286A (en) * 1995-12-13 1997-06-24 Brother Ind Ltd Oil feeding device for sewing machine
JPH09229294A (en) * 1996-02-21 1997-09-05 Brother Ind Ltd Oiling device for bearing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101397731B (en) * 2007-09-28 2013-01-23 兄弟工业株式会社 Lubricating device of sewing machine
CN102635630A (en) * 2012-04-20 2012-08-15 天津大学 Self-lubricating bearing for hydraulic steel gate
WO2016078628A1 (en) * 2014-11-17 2016-05-26 中山市旋霸缝纫设备有限公司 Transmission mechanism, sewing machine and method for transmission mechanism lubrication
CN106757855A (en) * 2017-04-10 2017-05-31 杰克缝纫机股份有限公司 A kind of shank lubrication system of sewing machine and sewing machine
CN106757856A (en) * 2017-04-10 2017-05-31 杰克缝纫机股份有限公司 The lubrication system of looper slide bar on a kind of sewing machine and sewing machine

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