CN106757853B - Lubricating system of sewing machine - Google Patents
Lubricating system of sewing machine Download PDFInfo
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- CN106757853B CN106757853B CN201710008417.6A CN201710008417A CN106757853B CN 106757853 B CN106757853 B CN 106757853B CN 201710008417 A CN201710008417 A CN 201710008417A CN 106757853 B CN106757853 B CN 106757853B
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- oil
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to the technical field of sewing machines, in particular to a lubricating system of a sewing machine.A transmission chamber is arranged at the lower part of a shell of the sewing machine, and a feed lifting shaft drives a rotating shuttle shaft to rotate through a second transmission mechanism; the lower part of the transmission chamber is provided with an oil box, an oil storage cavity is arranged in the oil box, the oil box seals the lower end surface of the transmission chamber, the second transmission mechanism is in gear transmission, a driving gear is arranged on the feed lifting shaft, a driven gear is arranged on the rotating shuttle shaft, and the driving gear is meshed with the driven gear; an oil storage tray is arranged in the transmission chamber on the lower side of the driving gear, and when a certain amount of oil is stored in the oil storage tray, the lower portion of the driving gear is immersed in the oil. The oil liquid in the oil storage tray can be thrown out in the high-speed operation process of the driving gear, and the oil liquid is thrown out by the driving gear and splashed on each part and the inner wall of the transmission chamber, so that the atomization effect of the lubricating oil liquid in the transmission chamber is better, each part can be effectively lubricated, and the working noise is greatly reduced.
Description
Technical Field
The invention belongs to the technical field of sewing machines, and particularly relates to a lubricating system of a sewing machine.
Background
The sewing machine always generates noise in the working process, and the noise is possibly increased along with the increase of the using time of the sewing machine because the lubricating system of the sewing machine is not reasonably designed. The operator accompanied by the sound for a long time can affect the body of the operator. Therefore, the applicant has redesigned the lubrication system of the sewing machine.
Disclosure of Invention
The invention aims at the problems and provides a sewing machine lubricating system with a new design.
The purpose of the invention is realized as follows:
a lubricating system of a sewing machine is characterized in that a transmission chamber is arranged at the lower part of a sewing machine shell, and a feed lifting shaft, a swing tooth shaft and a rotating shuttle shaft extend into the transmission chamber; the feed lifting shaft drives the swing tooth shaft to swing in a reciprocating manner through the first transmission mechanism, and the feed lifting shaft drives the rotating shuttle shaft to rotate through the second transmission mechanism; the oil storage device is characterized in that an oil suction passage is arranged in the transmission chamber, and when a certain amount of oil is stored in the oil storage chamber, the lower end of the oil suction passage is immersed in the oil; the oil liquid conveying mechanism conveys oil liquid in the oil suction channel to the oil outlet channel, and the oil outlet channel is communicated to the rotating shuttle oil supply channel and the oil return channel; an oil return hole at the lower part of the oil return channel is formed in the upper part of the oil storage tray;
the second transmission mechanism is in gear transmission, a driving gear is arranged on the feed lifting shaft, a driven gear is arranged on the rotating shuttle shaft, and the driving gear is meshed with the driven gear; an oil storage tray is arranged in the transmission chamber on the lower side of the driving gear, and when a certain amount of oil is stored in the oil storage tray, the lower portion of the driving gear is immersed in the oil.
The feed lifting shaft or the swing tooth shaft or the rotating shuttle shaft is arranged in the corresponding shaft sleeve in a penetrating way and is in clearance fit with the inner wall of the shaft sleeve; one end of the shaft sleeve extends into the transmission chamber and is provided with an oil receiving groove with an upward opening, and the bottom of the oil receiving groove is provided with an oil conveying hole communicated with the inner wall of the shaft sleeve.
The first transmission mechanism comprises a swing tooth crank, a swing plate seat, a first connecting rod, a second connecting rod and a third connecting rod, a main positioning shaft is arranged on one side of the swing plate seat, an auxiliary positioning shaft is arranged on the other side of the swing plate seat, and the main positioning shaft and the auxiliary positioning shaft are arranged coaxially; the auxiliary positioning shaft is rotatably installed on the corresponding wall surface of the transmission chamber, the main positioning shaft extends out of the transmission chamber and is connected with an adjusting and positioning device, and the adjusting device positions the swing angle of the swing plate seat in the transmission chamber.
The adjusting and positioning device comprises: the outer end of the main positioning shaft is provided with a shifting fork, the shell of the sewing machine is provided with a stepping motor, the motor shaft of the stepping motor is provided with a swinging rod, the outer end of the swinging rod is provided with a pin shaft, the pin shaft is provided with a sliding block, and the sliding block slides in the shifting fork.
The bottom end of the oil return channel is provided with a plug, the lower part of the oil return channel is provided with the oil return hole, the outer end of the oil return hole is screwed with an adjusting screw, and the adjusting screw controls the conduction section of the oil return hole and the oil return channel.
The oil liquid conveying mechanism comprises: a negative pressure groove is formed in the outer side of the rotating shuttle shaft, a plunger assembly is arranged in the rotating shuttle sleeve and comprises a sealing plug, a spring and a plunger cap, one end of the spring is abutted against the sealing plug, and the other end of the spring is abutted against the outer end of the plunger cap; the inner end of the plunger cap is propped against the rotating shuttle shaft under the action of the spring.
The middle part of the oil storage tray is sunken downwards to form an arc-shaped cavity, and the lower end of the driving gear extends into the arc-shaped cavity.
The oil outlet channel is communicated with the gear end face oil conveying channel, and an oil outlet of the gear end face oil conveying channel faces to the end face of the driving gear or the driven gear.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that:
according to the invention, the oil at the bottom of the oil box is conveyed to the oil storage tray through the oil conveying mechanism, and the driving gear is lubricated through the oil storage tray, so that the requirement of the sewing machine on the total amount of the lubricating oil is greatly reduced;
in addition, the oil in the oil storage tray can be thrown out in the high-speed running process of the driving gear, and the oil is thrown out by the driving gear and is sputtered on each part and the inner wall of the transmission chamber, so that the atomization effect of the lubricating oil in the transmission chamber is better, each part can be effectively lubricated, and the working noise is greatly reduced;
meanwhile, the oil receiving groove on the shaft sleeve can collect a certain amount of sputtered oil, and the oil is conducted to the feed lifting tooth shaft or the swing tooth shaft or the rotating shuttle shaft in the shaft sleeve through the oil transmission hole, so that the lubrication of the feed lifting tooth shaft or the swing tooth shaft or the rotating shuttle shaft is ensured; the design ensures that the feed lifting shaft, the swing tooth shaft or the rotating shuttle shaft can be directly in clearance fit with the shaft sleeve without a bearing, further reduces noise, and simultaneously improves the lubricating effect of the feed lifting shaft, the swing tooth shaft or the rotating shuttle shaft;
the adjusting and positioning device adopts the design of the stepping motor, the shifting fork and the sliding block, when a motor shaft of the stepping motor drives the swinging rod to rotate to a certain angle, a stronger reset force can be given to the shifting fork from the outside, the direction of the reset force is closer to the radial direction of the motor shaft of the stepping motor, the smaller the maintaining force required by the stepping motor is, the design enables the working current of the stepping motor to be controlled in a smaller range, the heating of the stepping motor is reduced, the energy consumption is saved, and the service life is prolonged;
the bottom end of the oil return channel is provided with a plug, and the conduction section of the oil return hole and the oil return channel is controlled by an adjusting screw, so that the processing difficulty is reduced, and the oil return channel and the oil return hole have certain deviation and do not influence the regulation and control of oil return amount;
the middle part of the oil storage tray is sunken downwards to form an arc-shaped design, so that the driving gear is immersed in oil liquid better, and the oil liquid is thrown out better;
the design of the oil feeding channel on the end face of the gear enables the end face of the gear to be effectively lubricated, so that the noise generated by the gear and the shaft sleeve is lower, and the stability and the reliability of the sewing machine are further improved.
Drawings
FIG. 1 is a schematic view of a sewing machine employing the present invention.
Fig. 2 is one of the schematic diagrams of the present invention.
FIG. 3 is a second schematic diagram of the present invention.
FIG. 4 is a third schematic diagram of the present invention.
Fig. 5 is a schematic diagram of an adjustment positioning device.
Fig. 6 is one of the internal structural diagrams of the present invention.
FIG. 7 is a second schematic diagram of the internal structure of the present invention.
Fig. 8 is a third schematic diagram of the internal structure of the present invention.
Fig. 9 is a schematic view of the face lubrication of the driven gear.
Fig. 10 is one of the schematic views of the adjusting positioning device.
Fig. 11 is a second schematic view of the adjusting and positioning device.
FIG. 12 is one of the schematic illustrations of a first drive mechanism of another embodiment.
Fig. 13 is a second schematic view of the first transmission mechanism according to another embodiment.
Fig. 14 is one of the operating principle diagrams of the first transmission mechanism of the other embodiment.
Fig. 15 is one of the operating principle diagrams of the first transmission mechanism of the other embodiment.
In the figure: 1-machine head; 2-a shell; 3-an oil box; 4-a rotating shuttle mechanism; 5-oil plug; 6-adjusting the positioning device; 7-a step motor; 8-lifting tooth shaft; 9-a drive gear; 10-swing tooth crank; 11-oil receiving groove; 12-a feed lifting shaft sleeve I; 13-oil storage tray; 14-a wobble plate mount; 15-a driven gear; 16-a rotating shuttle sleeve; 17-oil guide grooves; 18-oil transfer holes; 19-a swing lever; 20-a main positioning shaft; 21-oil storage chamber; 22-a shifting fork; 23-a slide block; 24-a second link; 25-an arc-shaped cavity; 26-a third link; 27-a rotating shuttle shaft; 28-swing tooth axis; 29-oil outlet of the gear end face oil feeding channel; 30-an oil suction passage; 31-oil receiving groove; 32-oil transfer holes; 33-feed lifting teeth shaft sleeve I I; 34-an oil return hole at the lower part of the oil return channel; 35-oil liquid conveying mechanism; 36-oil return hole; 37-adjusting screws; 38-plug; 40-an oil return passage; 41-oil outlet channel; 42-a rotating shuttle oil supply channel; 43-oil guide grooves; 44-a first link; 45-auxiliary positioning shaft; 46-a motor shaft; 47-pin shaft; 48-swing tooth connecting rod; 49-eccentric one; 50-swing tooth crank; 51-a slide; 52-a chute; 53-grooved plates; 54-articulated shaft.
Detailed Description
The lubricating system of the sewing machine, there is a drive chamber in the lower part of the sewing machine shell, the lifting tooth axle 8, pendulum tooth axle 28 and rotating shuttle axle 27 stretch into the said drive chamber; the feed lifting shaft 8 drives the swing tooth shaft 28 to swing back and forth through the first transmission mechanism, and the feed lifting shaft 8 drives the rotating shuttle shaft 27 to rotate through the second transmission mechanism; the oil storage device is characterized in that an oil suction passage is arranged in the transmission chamber, and when a certain amount of oil is stored in the oil storage chamber, the lower end of the oil suction passage is immersed in the oil; the oil liquid conveying mechanism conveys oil liquid in the oil suction channel to the oil outlet channel 41, and the oil outlet channel 41 is communicated to the rotating shuttle oil supply channel 42 and the oil return channel 40; an oil return hole at the lower part of the oil return channel 40 is formed in the upper part of the oil storage tray; the oil at the bottom of the oil box is conveyed to the oil storage tray through the oil conveying mechanism, and then the driving gear is lubricated through the oil storage tray, so that the requirement of the sewing machine on the total amount of the lubricating oil is greatly reduced;
the second transmission mechanism is in gear transmission, a driving gear 9 is arranged on the feed lifting shaft 8, a driven gear 15 is arranged on the rotating shuttle shaft 27, and the driving gear is meshed with the driven gear; an oil storage tray is arranged in the transmission chamber on the lower side of the driving gear 9, and when a certain amount of oil is stored in the oil storage tray, the lower portion of the driving gear is immersed by the oil. In addition, the oil in the oil storage tray can be thrown out in the high-speed running process of the driving gear, and the oil is thrown out by the driving gear and is sputtered on each part and the inner wall of the transmission chamber, so that the atomization effect of the lubricating oil in the transmission chamber is better, each part can be effectively lubricated, and the working noise is greatly reduced;
the feed lifting shaft 8 or the swing tooth shaft 28 or the rotating shuttle shaft 27 penetrates through the corresponding shaft sleeve and is in clearance fit with the inner wall of the shaft sleeve; one end of the shaft sleeve extends into the transmission chamber and is provided with an oil receiving groove with an upward opening, and the bottom of the oil receiving groove is provided with an oil conveying hole communicated with the inner wall of the shaft sleeve. The oil receiving groove on the shaft sleeve can collect a certain amount of sputtered oil, and the oil is conducted to the feed lifting tooth shaft or the swing tooth shaft or the rotating shuttle shaft in the shaft sleeve through the oil transmission hole, so that the lubrication of the feed lifting tooth shaft or the swing tooth shaft or the rotating shuttle shaft is ensured; this design makes the tooth lifting shaft or pendulum tooth axle or rotating shuttle axle can directly can adopt clearance fit with the axle sleeve, need not the bearing, and further noise reduction improves the lubricated effect of tooth lifting shaft or pendulum tooth axle or rotating shuttle axle simultaneously.
The first transmission mechanism comprises a swing die crank 10, a swing die holder 14, a first connecting rod 44, a second connecting rod 24 and a third connecting rod 26, the upper end of the first connecting rod 44 is hinged to the upper portion of the swing die holder 14, the lower end of the first connecting rod 44 is coaxially hinged to the lower end of the second connecting rod 24 and one end of the swing die crank 10, the other end of the swing die crank 10 is movably sleeved on the cam holder of the lifting die shaft, the other end of the second connecting rod 24 is hinged to one end of the third connecting rod 26, and the other end of the third connecting rod 26 is fixedly sleeved on the swing die shaft 28; a main positioning shaft 20 is arranged on one side of the swing plate seat 14, an auxiliary positioning shaft 45 is arranged on the other side of the swing plate seat 14, and the main positioning shaft 20 and the auxiliary positioning shaft 45 are arranged coaxially; the auxiliary positioning shaft 45 is rotatably installed on the corresponding wall surface of the transmission chamber, the main positioning shaft extends out of the transmission chamber and is connected with an adjusting and positioning device, and the adjusting device positions the swing angle of the swing plate seat in the transmission chamber.
The adjusting and positioning device comprises: a shifting fork 22 is installed at the outer end of the main positioning shaft 20, a stepping motor is installed on the sewing machine shell 2, a swing rod 19 is installed on a motor shaft of the stepping motor, a pin shaft is arranged at the outer end of the swing rod 19, a sliding block 23 is installed on the pin shaft, and the sliding block 23 slides in the shifting fork 22. When a motor shaft of the stepping motor drives the swing rod to rotate to a certain angle, a strong reset force is given to the shifting fork from the outside, the direction of the reset force is closer to the radial direction of the motor shaft of the stepping motor, the maintaining force required by the stepping motor is smaller, and the design ensures that the working current of the stepping motor can be controlled in a smaller range, so that the heating of the stepping motor is reduced, the energy consumption is saved, and the service life is prolonged; it should be pointed out that step motor's reaction is sensitive, and the execution is effectual, and when needs adjusted the gauge needle, step motor can be fast with the adjustment of swing plate seat 14 in place for swing plate seat 14 can splash more fluid in oil storage chamber 21, further improves lubricated effect.
The sliding block 23 is embedded into a slot of the shifting fork 22, and is square or rectangular; the groove surface of the shifting fork is in clearance fit with the sliding block.
The bottom end of the oil return channel 40 is provided with a plug, the lower part of the oil return channel is provided with the oil return hole, the outer end of the oil return hole is screwed with an adjusting screw 37, and the adjusting screw controls the conduction section of the oil return hole and the oil return channel. The conduction cross section of the oil return hole and the oil return channel is controlled by the adjusting screw, the design reduces the processing difficulty, and the oil return channel and the oil return hole have certain deviation and do not influence the regulation and control of oil return quantity;
the oil liquid conveying mechanism comprises: a negative pressure groove is formed in the outer side of the rotating shuttle shaft, a plunger assembly 35 is arranged in the rotating shuttle sleeve, the plunger assembly comprises a sealing plug, a spring and a plunger cap, one end of the spring is abutted against the sealing plug, and the other end of the spring is abutted against the outer end of the plunger cap; the inner end of the plunger cap is propped against the rotating shuttle shaft under the action of the spring.
The middle part of the oil storage tray 13 is sunken downwards to form an arc-shaped cavity 25, and the lower end of the driving gear 9 extends into the arc-shaped cavity. The effect of the driving gear immersed in the oil is better, and the effect of throwing the oil is also better.
The oil outlet channel 41 is communicated with the gear end face oil feeding channel 29, and the oil outlet of the gear end face oil feeding channel 29 faces the end face of the driving gear 9 or the driven gear 15. The noise of the gear and the shaft sleeve is lower, and the stability and the reliability of the sewing machine are further improved. The upper portion of the front end of the rotating shuttle shaft sleeve 16 is further provided with an oil guide groove 43 which is opened upwards, and the oil guide groove 43 can collect part of splashed oil and guide the oil to the end face of the driven gear 15.
A groove plate 53 is fixed to one end of the slide groove 52.
The stepping motor 7 realizes the needle pitch control and the change of the cloth feeding direction by adjusting the motion track of the tooth swinging mechanism.
As shown in fig. 9, when the sliding member 51 moves in the-X direction to pass through point a (point a is a virtual point, and the lifting tooth member 12 drives the tooth frame 4 to reach the effective cloth feeding area, the position of the sliding member 51 is point a), at this time, when the swing tooth shaft 28 rotates clockwise, the tooth frame 4 moves in the-X direction, and the sewing machine stitches.
When the stepping motor 7 adjusts the slide groove 52 to the position shown in fig. 10, when the slider 51 moves in the-X direction to pass the point a, the sewing machine performs backstitch when the swing tooth shaft 28 rotates counterclockwise.
The principle of the needle pitch adjustment is as follows: the position of the swinging plate seat 14 is finely adjusted by rotating the stepping motor 7, and when the sliding part 51 moves towards the-X direction to pass through the point A, the rotating speed of the swing tooth shaft 28 determines the size of the needle pitch; as shown in fig. 9, the needle pitch gradually decreases during the swing-up of the left side of the chute 52.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The lubricating system of the sewing machine, there is a drive chamber in the lower part of the sewing machine shell, the feed lifting pin shaft (8), the pendulum pin shaft (28) and the rotating shuttle shaft (27) stretch into the said drive chamber; the feed lifting rock shaft (8) drives the swing rock shaft (28) to swing in a reciprocating mode through the first transmission mechanism, and the feed lifting rock shaft (8) drives the rotating shuttle shaft (27) to rotate through the second transmission mechanism; the oil box is arranged at the lower part of the transmission chamber, an oil storage cavity is arranged in the oil box, and the oil box seals the lower end surface of the transmission chamber; the oil liquid conveying mechanism conveys oil liquid in the oil suction channel to an oil outlet channel (41), and the oil outlet channel (41) is communicated to a rotating shuttle oil supply channel (42) and an oil return channel (40); an oil return hole at the lower part of the oil return channel (40) is formed in the upper part of the oil storage tray;
the second transmission mechanism is in gear transmission, a driving gear (9) is installed on the feed lifting shaft (8), a driven gear (15) is installed on the rotating shuttle shaft (27), and the driving gear is meshed with the driven gear; an oil storage tray is arranged in the transmission chamber on the lower side of the driving gear (9), and when a certain amount of oil is stored in the oil storage tray, the lower portion of the driving gear is immersed by the oil.
2. Lubrication system for sewing machines according to claim 1, characterised in that the feed lifting axis (8) or the oscillating axis (28) or the rotating shuttle axis (27) is inserted in the corresponding sleeve and is in clearance fit with the inner wall of the sleeve; one end of the shaft sleeve extends into the transmission chamber and is provided with an oil receiving groove with an upward opening, and the bottom of the oil receiving groove is provided with an oil conveying hole communicated with the inner wall of the shaft sleeve.
3. The lubrication system of a sewing machine according to claim 1, wherein the first transmission mechanism comprises a swing tooth crank (10), a swing plate seat (14), a first connecting rod, a second connecting rod and a third connecting rod, a main positioning shaft is arranged on one side of the swing plate seat (14), an auxiliary positioning shaft is arranged on the other side of the swing plate seat (14), and the main positioning shaft (20) and the auxiliary positioning shaft are coaxially arranged; the auxiliary positioning shaft is rotatably installed on the corresponding wall surface of the transmission chamber, the main positioning shaft extends out of the transmission chamber and is connected with an adjusting and positioning device, and the adjusting device positions the swing angle of the swing plate seat in the transmission chamber.
4. Lubrication system for a sewing machine according to claim 3, characterised in that said adjustment positioning means are: a shifting fork (22) is installed at the outer end of a main positioning shaft (20), a stepping motor is installed on a sewing machine shell (2), a swing rod (19) is installed on a motor shaft of the stepping motor, a pin shaft is arranged at the outer end of the swing rod (19), a sliding block (23) is installed on the pin shaft, and the sliding block (23) is arranged in the shifting fork (22) in a sliding mode.
5. The lubrication system of sewing machine according to claim 1, wherein the bottom end of the oil return channel (40) is provided with a plug, the lower part of the oil return channel is provided with the oil return hole, the outer end of the oil return hole is screwed with an adjusting screw (37), and the adjusting screw controls the conduction cross section of the oil return hole and the oil return channel.
6. The lubrication system of a sewing machine according to claim 1, wherein the oil delivery mechanism is: a negative pressure groove is formed in the outer side of the rotating shuttle shaft, a plunger assembly (35) is arranged in the rotating shuttle sleeve and comprises a sealing plug, a spring and a plunger cap, one end of the spring abuts against the sealing plug, and the other end of the spring abuts against the outer end of the plunger cap; the inner end of the plunger cap is propped against the rotating shuttle shaft under the action of the spring.
7. Lubricating system for sewing machines according to claim 1, characterised in that the central part of the oil-storage tray (13) is recessed downwards to form an arc-shaped chamber (25) into which the lower end of the driving gear (9) protrudes.
8. Lubricating system for a sewing machine according to claim 1, characterised in that the oil outlet channel (41) is in communication with a gear end face oil feed channel (29), the oil outlet of the gear end face oil feed channel (29) facing the end face of the driving gear (9) or the driven gear (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710008417.6A CN106757853B (en) | 2017-01-05 | 2017-01-05 | Lubricating system of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710008417.6A CN106757853B (en) | 2017-01-05 | 2017-01-05 | Lubricating system of sewing machine |
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| Publication Number | Publication Date |
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| CN106757853A CN106757853A (en) | 2017-05-31 |
| CN106757853B true CN106757853B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710008417.6A Active CN106757853B (en) | 2017-01-05 | 2017-01-05 | Lubricating system of sewing machine |
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| CN (1) | CN106757853B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111607915A (en) * | 2020-06-18 | 2020-09-01 | 冷伟峰 | Textile mill sewing machine capable of automatically adding lubricant |
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| JP2000233093A (en) * | 1998-12-16 | 2000-08-29 | Juki Corp | Oil spray lubrication for sewing machine |
| CN1456733A (en) * | 2002-05-09 | 2003-11-19 | 重机公司 | Sewing machines |
| CN101671924A (en) * | 2008-09-12 | 2010-03-17 | Juki株式会社 | Sewing machine |
| CN201546040U (en) * | 2009-11-03 | 2010-08-11 | 西安标准工业股份有限公司 | Lubricating structure for sewing machine |
| CN103952869A (en) * | 2014-05-21 | 2014-07-30 | 新杰克缝纫机股份有限公司 | Oil buffer backstitch electromagnet mechanism |
| CN204939830U (en) * | 2015-08-20 | 2016-01-06 | 西安标准工业股份有限公司 | A kind of industrial seam machine lubricating system |
| CN206616350U (en) * | 2017-01-05 | 2017-11-07 | 阮晨航 | The lubricating system of sewing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951324B (en) * | 2016-07-18 | 2022-12-23 | 浙江杜马缝纫机股份有限公司 | Rotating shuttle oil supply system |
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2017
- 2017-01-05 CN CN201710008417.6A patent/CN106757853B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000233093A (en) * | 1998-12-16 | 2000-08-29 | Juki Corp | Oil spray lubrication for sewing machine |
| CN1456733A (en) * | 2002-05-09 | 2003-11-19 | 重机公司 | Sewing machines |
| CN101671924A (en) * | 2008-09-12 | 2010-03-17 | Juki株式会社 | Sewing machine |
| CN201546040U (en) * | 2009-11-03 | 2010-08-11 | 西安标准工业股份有限公司 | Lubricating structure for sewing machine |
| CN103952869A (en) * | 2014-05-21 | 2014-07-30 | 新杰克缝纫机股份有限公司 | Oil buffer backstitch electromagnet mechanism |
| CN204939830U (en) * | 2015-08-20 | 2016-01-06 | 西安标准工业股份有限公司 | A kind of industrial seam machine lubricating system |
| CN206616350U (en) * | 2017-01-05 | 2017-11-07 | 阮晨航 | The lubricating system of sewing machine |
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Effective date of registration: 20220816 Address after: No. 58, Airport South Road, Jiaojiang District, Taizhou City, Zhejiang Province, 318010 Applicant after: ZHEJIANG DUMA SEWING MACHINE Co.,Ltd. Address before: Room 402, Unit 1, Building 2, Cihui Community, Jiaojiang District, Taizhou City, Zhejiang Province, 318000 Applicant before: Ruan Chenhang |
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