CN1396329A - Sewing machine - Google Patents

Sewing machine Download PDF

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Publication number
CN1396329A
CN1396329A CN02126594A CN02126594A CN1396329A CN 1396329 A CN1396329 A CN 1396329A CN 02126594 A CN02126594 A CN 02126594A CN 02126594 A CN02126594 A CN 02126594A CN 1396329 A CN1396329 A CN 1396329A
Authority
CN
China
Prior art keywords
shank
oil
needle bar
crank rod
sewing machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN02126594A
Other languages
Chinese (zh)
Other versions
CN100374636C (en
Inventor
山崎义启
井手研一郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pegasus Co Ltd
Original Assignee
Pegasus Sewing Machine Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pegasus Sewing Machine Manufacturing Co Ltd filed Critical Pegasus Sewing Machine Manufacturing Co Ltd
Publication of CN1396329A publication Critical patent/CN1396329A/en
Application granted granted Critical
Publication of CN100374636C publication Critical patent/CN100374636C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/48—Drying by means of hot air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
    • F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Molecular Biology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

To provide a sewing machine in which the temperature rise of a needle bar crank rod is suppressed when the sewing machine is driven by using an oil supply device. The sewing machine is provided with: a needle bar mechanism having an upper shaft supported by a sewing machine arm so as to be rotatable, a crank which is fixed to the end part of the upper shaft and has a needle bar crank, and a needle bar crank rod which is supported by the needle bar crank so as to be rotatable and connected to the needle bar via a needle bar holder; and the oil supply device for supplying oil to the needle bar crank rod of the needle bar mechanism. The oil supply is provided with a supply pipe connected to part of an oil supply source, an oil amount adjusting member connected to the end of the supply pipe and an oil supply pipe which is connected to the oil amount adjusting member and has a discharge part in the upper part of the needle bar crank rod. The oil amount of a lubricant dropped from the discharge part of the oil supply pipe is adjusted by an oil amount adjusting member.

Description

Sewing machines
[affiliated technical field]
The present invention relates to the deadlocked Sewing machines of shank crank rod heating on a kind of shank bent axle that can prevent from rotatably to be supported on bent axle.
[background technology]
In this Sewing machines, to open in the clear 62-115878 communique disclosedly strictly according to the facts, the felt (cotton core) that soaks into lubricating oil is configured on the shank crank rod to carry out contact intermittently, is used for preventing that the heating of shank bent axle is deadlocked.In addition, in aforesaid communique, rotatably be formed with the spiral grooves by air on the shank bent axle of supporting needle rod crank rod, the mobile of air makes that suppressing shank crank rod temperature when Sewing machines drives rises.
Herein, the former is in order to increase or reduce the path increment up and down of shank, when the relative bent axle in the fixed position of shank bent axle changes, the shank crank rod sometimes because of do not contact with felt generate heat deadlocked.In addition, with regard to the latter, the coupling part of shank bent axle and shank crank rod can not be the state of dynamic pressure type air bearing, owing to need not be lubricated by oil, so the sliding part of shank crank rod weares and teares easily, has the problem of poor durability.
Thereby the problem that the present invention will solve provides and a kind ofly uses fueller, can suppress shank crank rod temperature and rises and the Sewing machines deadlocked, that guarantee durability that prevents to generate heat when Sewing machines drives.
[summary of the invention]
Sewing machines of the present invention comprises: rotatably be supported on the axle of going up on the sewing machine arm; Bent axle with the shank bent axle that is fixed on shaft end; Needle bar mechanism with shank crank rod, this shank crank rod is connected on the shank by the shank fixator that rotatably is supported on the shank bent axle; The shank crank rod of this needle bar mechanism is carried out the fueller of fuel feeding, it is characterized in that this fueller comprises: be connected the supply pipe on the part of oily supply source; The oil mass adjustment component that links to each other with the front end of supply pipe; The fuel feed pump that has discharge portion above the shank crank rod that links to each other with this oil mass adjustment component is so that adjust the oil mass of the lubricating oil that dripped by the discharge portion of fuel feed pump with the oil mass adjustment component.
Have again, the adjacent part that is preferably in the discharge portion of fuel feed pump forms grooving portion, and the instrument that is provided with on the Sewing machines arm in addition inserts uses the hole, and the bolt that clogs this hole is set simultaneously, preferably, the operation part of oil mass adjustment component tilts below in face of the following direction in described hole.
According to the present invention, lubricating oil drips from the discharge portion of fuel feed pump.Because the discharge portion fixed configurations of fuel feed pump is above the shank crank rod, so lubricating oil supplied to the shank crank rod of Sewing machines in driving reliably, and its oil mass is adjusted by the oil mass adjustment component.In addition, the adjacent part formation grooving portion in discharge portion need not make lubricating oil drip dispersedly, just can be lubricated the shank crank rod.In addition, the instrument that is provided with on sewing machine arm inserts uses the hole, the bolt that stops up this hole is set simultaneously, owing to the operation part of oil mass adjustment component can be tilted below in face of the following direction in described hole, the operator can adjust on one side oil mass on one side and confirm facing to a side of Sewing machines.
[brief description of drawings]
Fig. 1 is the schematic partial sectional view that expression is applicable to the major part of Sewing machines of the present invention;
Fig. 2 is the expanded view of the part of this sewing machine needle bar mechanism;
Fig. 3 is the perspective view of major part of the oily supply source of this Sewing machines of expression;
Fig. 4 is the zoomed-in view of the active state of this Sewing machines of expression.
The working of an invention form
Below, in conjunction with the accompanying drawings form of implementation of the present invention is described.Fig. 1 is the schematic partial sectional view that expression is applicable to the major part of Sewing machines of the present invention.Last axle 1 slightly is and flatly is supported on the sewing machine arm A, with the CD-ROM drive motor of use in sewing machine (not shown go out) interlock and towards a direction rotation.Be fixed with bent axle 2 on the end of last axle 1.A pin 3a of shank bent axle 3 inserts in the top cylinder portion 6 of shank crank rod 5, and another pin 3b is fixed on the bent axle 2 by screw 4.In this form of implementation, shank crank rod 5 can not come off by the pin 3a of shank bent axle 3, and screw 3d will cover the front end that 3c is fixed on pin 3a.
In the top cylinder portion 6 of shank crank rod 5, be formed with open pore 6 (referring to Fig. 2).The doffing portion 7 of shank crank rod 5 is inserted on the pin 10a of shank fixator 10, and this shank fixator 10 is fixed on the shank 8 by screw 9.In addition, shank has the square cushion block 30 that rotatably supports with the front end of deciding the pin 10a of device 10, and square cushion block 30 can slide up and down to be supported among the groove 31a of the track segment 31 that is fixed in sewing machine arm A.Shank 8 is supported in the sleeve 11 that is pressed into sewing machine arm A slidably, and its bottom has pin (not shown go out).In addition, in this form of implementation, because two pins of shank bent axle 3 are eccentric, the fixed position of shank bent axle 3 is bent axle 2 variations relatively when unclamping screw 4, therefore, can change the path increment up and down of shank 8.
Therefore the lubricating oil that fuel feed pump 18 (oily supply source) is sent be can be used for shank crank rod 5 fuel feeding by upwards suction of food tray 13.As shown in Figure 3, this device that upwards aspirates usefulness utilizes gear type oil feed pump 14.This oil feed pump 14 is installed on the carriage 15 that is fixed in sewing machine base B, and the worm gear 14a of oil feed pump 14 is by the rotation interlock discharging supplying lubricating oil of lower shaft (not shown go out).In addition, oil feed pump 14 has supply pipe 16, and the lubricating oil of delivering to supply pipe 16 is purified by oil strainer 17.The lubricating oil that oil strainer 17 purified is delivered to fuel feed pump 18 that is configured in sewing machine arm A and the fuel feed pump 19 that is configured in sewing machine base B respectively.The lubricating oil that fuel feed pump 19 is sent supplies to each the mechanism position that is configured in sewing machine base B.In addition, in this form of implementation, the drive source of fueller adopts the gear type oil feed pump, but is not limited thereto, and for example, also can oil tank be set above Sewing machines, passes through gravity feed oil.
Fuel feed pump 18 links to each other with food tray 12 by joint 20, and joint 20 has fuel feed pump 21.Fuel feed pump 21 slightly is extension flatly, and its front end is provided with the oil mass adjustment component 22 as the needle shape throttling valve.Going up towards below inclination in front of oil mass adjustment component 22, configuration oil mass is in the above adjusted screw 23 (operation part) and is extended obliquely towards the operator.Fuel feed pump 26 links to each other with oil mass adjustment component 22, and the lubricating oil of delivering to fuel feed pump 26 by oil mass adjustment component 22 can change by means of the amount of being screwed into that oil mass is adjusted the screw of screw 23.The lubricating oil that supplies to oil mass adjustment component 22 is that the actuating quantity of oil feed pump 14 is determined according to the rotary speed of Sewing machines.
In addition, on the sewing machine arm A above oil mass is adjusted screw 23, the instrument that is provided with inserts with hole 24, and this hole 24 is clogged by bolt 25, like this, can make sewing machine arm A inner sealing.Therefore, oil mass adjustment component 22 above be positioned at the below in hole 24.Discharge portion 26a is arranged on the fore-end of fuel feed pump 26, and fixed configurations is above shank crank rod 5.Lubricating oil is discharged downwards from discharge portion 26a, and shank crank rod 5 is accepted lubricating oil at the position shown in the double dot dash line of Fig. 4 (symbol 5 ', 6 ').The adjacent part of discharge portion 26a is formed with the 26b of grooving portion, thereby the lubricating oil that is dripped by discharge portion 26a is disperseed.
The lubricating oil that the leading section of sewing machine arm A drips is absorbed by sponge 27, and the lubricating oil that is absorbed in the sponge 27 sucks oil feed pump 14 forcibly by oil exit pipe 28.On the other hand, each mechanism lubricating oil partly that supplies on the sewing machine base B drips to downwards in sewing machine base B leading section and the food tray 13.The lubricating oil that drips to sewing machine base B leading section downwards sucks oil feed pump 14 forcibly by oil exit pipe 29.The lubricating oil that is drawn into oil feed pump 14 by oil exit pipe 28,29 is discharged in the food tray 13.In addition, the peristome 6a that forms in the top cylinder portion 6 of shank crank rod 5 will be supplied to shank crankpin 3a by the lubricating oil that discharge portion 26a drips rapidly.
[effect of invention]
As mentioned above, according to the present invention, owing to be to utilize the lubricating oil that drips to carry out fuel feeding, even therefore change Become the up and down path increment of shank, also can carry out fuel feeding to the shank crank rod reliably, but also can pass through The fuel volume adjusting parts are adjusted its oil mass. In addition, owing to be formed with at the adjacent part of the discharge portion of fuel feed pump and cut Therefore slot part need not make lubricating oil drip dispersedly, just can be lubricated the shank crank rod. In addition, Be provided with the instrument insertion at sewing machine arm and use the hole, the bolt that stops up this hole is set simultaneously, owing to oil mass can be transferred The operation part of integeral part tilts below in face of the lower direction in described hole, and the operator can be on one side to oil mass Adjust on one side and confirm facing to a side of sewing machine.

Claims (3)

1. a Sewing machines comprises: rotatably be supported on the axle of going up on the sewing machine arm; Bent axle with the shank bent axle that is fixed on shaft end; Needle bar mechanism with shank crank rod, this shank crank rod is connected on the shank by the shank fixator that rotatably is supported on the shank bent axle; The shank crank rod of this needle bar mechanism is carried out the fueller of fuel feeding, it is characterized in that this fueller comprises: be connected the supply pipe on the part of oily supply source; The oil mass adjustment component that links to each other with the front end of supply pipe; The fuel feed pump that has discharge portion above the shank crank rod that links to each other with this oil mass adjustment component is so that adjust the oil mass of the lubricating oil that dripped by the discharge portion of fuel feed pump by the oil mass adjustment component.
2. according to the described Sewing machines of claim 1, it is characterized in that the adjacent part of the discharge portion of fuel feed pump is formed with grooving portion.
3. according to the described Sewing machines of claim 1, it is characterized in that the Sewing machines arm is provided with instrument and inserts when using the hole, also is provided with the bolt that clogs this hole, and the operation part of oil mass adjustment component tilts below in face of the following direction in described hole.
CNB021265941A 2001-05-25 2002-05-23 Sewing machine Expired - Fee Related CN100374636C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001156258A JP4064644B2 (en) 2001-05-25 2001-05-25 sewing machine
JP2001156258 2001-05-25

Publications (2)

Publication Number Publication Date
CN1396329A true CN1396329A (en) 2003-02-12
CN100374636C CN100374636C (en) 2008-03-12

Family

ID=19000288

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB021265941A Expired - Fee Related CN100374636C (en) 2001-05-25 2002-05-23 Sewing machine

Country Status (4)

Country Link
JP (1) JP4064644B2 (en)
KR (1) KR20020090334A (en)
CN (1) CN100374636C (en)
TW (1) TW526879U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102021767A (en) * 2009-09-18 2011-04-20 飞马缝纫机制造株式会社 Oil supply device of sewing machine
CN1854374B (en) * 2005-04-21 2011-09-07 重机公司 Oil feeding device of sewing machine
CN103556409A (en) * 2013-11-08 2014-02-05 浙江中森缝纫机有限公司 Special arm type hemming sewing machine with automatic oil supply system
CN103614870A (en) * 2013-12-18 2014-03-05 新杰克缝纫机股份有限公司 Sewing machine oil supplying system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119567C1 (en) * 1981-05-16 1982-12-09 Union Special Gmbh, 7000 Stuttgart Sealing the needle bar guide in a sewing machine
JPS60192786U (en) * 1984-05-31 1985-12-21 三菱電機株式会社 Sewing machine balance oil supply amount adjustment device
JPS62115878U (en) * 1986-01-16 1987-07-23
JPH0610955Y2 (en) * 1988-04-01 1994-03-23 ペガサスミシン製造株式会社 Forced lubrication type overlock sewing machine
JPH0722629B2 (en) * 1989-01-31 1995-03-15 ジューキ株式会社 Rotary hook oiling device
JPH0560483U (en) * 1991-03-22 1993-08-10 株式会社廣瀬製作所 Full rotary hook of sewing machine
CN2194920Y (en) * 1993-05-05 1995-04-19 中国标准缝纫机公司 Oil Suction Supply Device for Plain Sewing Machine
JP2739035B2 (en) * 1994-05-10 1998-04-08 ジューキ株式会社 Sewing machine refueling equipment
JPH08196771A (en) * 1995-01-20 1996-08-06 Brother Ind Ltd Lubrication mechanism for sewing machine
JPH08309072A (en) * 1995-05-18 1996-11-26 Aisin Seiki Co Ltd Shuttle oil feeding amount adjusting device for sewing machine
JPH09164285A (en) * 1995-12-13 1997-06-24 Brother Ind Ltd Oil feeding device for sewing machine
JPH10137479A (en) * 1996-11-14 1998-05-26 Juki Corp Industrial sewing machine
JP2000140476A (en) * 1998-11-02 2000-05-23 Yamato Sewing Mach Co Ltd Cooling and lubricating device for sewing machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1854374B (en) * 2005-04-21 2011-09-07 重机公司 Oil feeding device of sewing machine
CN102021767A (en) * 2009-09-18 2011-04-20 飞马缝纫机制造株式会社 Oil supply device of sewing machine
TWI476307B (en) * 2009-09-18 2015-03-11 Pegasus Sewing Machine Mfg Co Oil feeder for sewing machine
CN103556409A (en) * 2013-11-08 2014-02-05 浙江中森缝纫机有限公司 Special arm type hemming sewing machine with automatic oil supply system
CN103614870A (en) * 2013-12-18 2014-03-05 新杰克缝纫机股份有限公司 Sewing machine oil supplying system
CN103614870B (en) * 2013-12-18 2016-03-16 杰克缝纫机股份有限公司 Sewing machines oil supply system

Also Published As

Publication number Publication date
KR20020090334A (en) 2002-12-02
JP2002346268A (en) 2002-12-03
JP4064644B2 (en) 2008-03-19
TW526879U (en) 2003-04-01
CN100374636C (en) 2008-03-12

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SE01 Entry into force of request for substantive examination
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080312

Termination date: 20100523