CN1239159A - Uper shaft directly-driving sewing machine - Google Patents
Uper shaft directly-driving sewing machine Download PDFInfo
- Publication number
- CN1239159A CN1239159A CN 99107682 CN99107682A CN1239159A CN 1239159 A CN1239159 A CN 1239159A CN 99107682 CN99107682 CN 99107682 CN 99107682 A CN99107682 A CN 99107682A CN 1239159 A CN1239159 A CN 1239159A
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- CN
- China
- Prior art keywords
- motor
- axle
- vertical fuselage
- uper
- sewing machine
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- Sewing Machines And Sewing (AREA)
Abstract
The object of the invention is to provide a upper shaft to drive the sartorius directly. The assembly and disassembly of the electromotor of the sartorius are easy and the processing precision of the electromotor elements is not strict. Meanwhile, it does not set fan for cooling so that it reduces costs and eliminates the inference to the electromotor by the dusts and oil and easily assemble cloth sending system. The invention is to fix the electromotor at the right end of the vertical body in the right opening, at the same time, to transmit the upper shaft rotation to the rotation transmitting apparatus of the lower shaft set within the vertical body and to set a cloth sending adjusting system at the right end of the vertical body.
Description
The present invention relates on axle on the Sewing machines, directly connect the Sewing machines of motor arbor.
As the existing uper shaft directly-driving sewing machine of this class, the known spy of having opens disclosed technology in flat 4-No. 8393 communiques.This uper shaft directly-driving sewing machine, dispose upright vertical fuselage of hollow and the self-supporting fuselage that is located on the sewing machine table and begin the horn that along continuous straight runs extends, above the vertical fuselage side of described horn, locate, be provided with on the supporting wall of horn support with on the hole of axle axle core same axis core.
And, mounting has the tubular motor casing that is covered with as around the motor of drive unit above the vertical fuselage side of described horn, simultaneously, be rotatably assorted in the dead eye that is provided with on the supporting wall of the aforementioned horn driving shaft of motor is at the vertical fuselage side upper fixed motor of horn.By shaft coupling the driving shaft of motor and last axle are linked together, on the timing belt pulley that connects by motor drive shaft, be provided with the fan of cooling usefulness.
On described timing belt pulley, hang the synchronous belt of upward axis transmission of drive force.
There is following point in the prior art.Promptly, mounting has the tubular motor casing of motor above the vertical fuselage side of horn, the driving shaft of motor is being rotatably assorted in the dead eye that is provided with on the supporting wall of horn, for this reason, must strictly control the diameter of motor casing and the machining accuracy of dead eye and Motor Drive shaft diameter, simultaneously, not concentricity, the degree of balance that must strict these parts of control etc.
This has not only improved processing cost, and, when assembling and maintenance, specific technology must be arranged, and will spend the more time, and can not use general commercially available motor.In addition and since motor be the sealing and be arranged on the vertical fuselage interior of hollow, the poor radiation of motor, must be provided with cooling fan force the cooling.
This also can raise the cost.And, in the prior art, owing to disposing motor drive shaft and give the timing belt pulley of lower shaft transmission of drive force in a vertical fuselage of hollow, the synchronous belt wearing and tearing powder of the generation in service of Sewing machines and oil are attached on the motor, and generation is disturbed to motor.
In order to address the above problem, the described invention of claim 1 is, constitute the upright formula main body section of setting up on the platen of Sewing machines, be covered with vertical fuselage right-hand around and the fin of right part opening, begin along continuous straight runs from vertical body upper and extend the horn that is provided with, the lower shaft of support free to rotate on platen, axle in support free to rotate on the horn, aforementioned vertical fuselage right-hand member fixing and have with on the motor of motor reel of axle core coaxial core of axle, and connect attaching parts that go up spool with electric drive axle.
Invention according to claim 1, motor is fixed on vertical fuselage right part, compared with prior art, unnecessary have a just assembly and disassembly motor simply of specific technology and experience, simultaneously, the machining accuracy of motor bearing also needn't be too strict, reduced processing cost, determine and, also can use general commercially available motor.In addition, owing to be provided with the fin of right part opening around motor, it is big that the surface area around the motor becomes, and improved the radiating effect to the outside, because cooling fan etc. needn't be set, the effect that reduces cost arranged.
Invention according to claim 2, axle rotates the rotating transmission device that passes to lower shaft on the handle owing to being provided with in the inside of vertical fuselage, motor and rotating transmission device have been separated, on the synchronous belt wearing and tearing powder of the generation in service of Sewing machines and oil can not be attached to motor, prevented the thing of interfere with motor by adhering to of these materials.
According to the invention of claim 3, because the work feed governor motion is arranged on vertical fuselage right part open sides, has as easy as rolling off a log assembling and adjust the effect of these work feed governor motions.
Fig. 1 is the profile of horn central portion;
Fig. 2 is the perspective view of vertical fuselage right-hand member;
Fig. 3 is vertical fuselage right end portion enlarged drawing;
Fig. 4 is vertical fuselage right end view elevation;
Fig. 5 is the perspective view of observing from vertical fuselage rear;
Fig. 6 represents the profile of another embodiment horn central portion.
Below with reference to Fig. 1 to Fig. 6 embodiments of the invention are described.
Fig. 1 is the profile of Sewing machines, the 1st, and platen, its upper right side is stood and is being established vertical fuselage 2.The 3rd, horn begins the horizontal-extending setting from the top of vertical fuselage 2.
Shown in Fig. 2, on the right side of described vertical fuselage 2, form square contact-making surface 5, in the screw hole 7 that forms on the described contact-making surface 5 on medium pore 6 and four jiaos.
The 8th, last axle is being supported freely to rotate by the bearing 9 of horn upper support.Left end at last axle 8 is being fixed known counterweight 10, because the rotation of described counterweight 10, transverse arm 11 and shank 12 move up and down.
The 13rd, lower shaft is supported on the platen 1 freely to rotate.
The 14th, synchronous belt hangs over and goes up axle 8 right-hand fixing timing belt pulleys 15 in the vertical fuselage 2 and be fixed on the timing belt pulley 16 of lower shaft 13 right-hand members, constitutes rotating transmission device by these synchronous belts 14, timing belt pulley 15 and timing belt pulley 16.
The 17th, motor, left has motor reel 18 on this motor, the right-hand axle 20 that is provided with fast pulley 19.As shown in Figure 3, be provided with the littler and cylindrical portion 21 that in hole 6, be rotatably assorted of right ports 6 diameters at the left end of this motor 17 than vertical fuselage 2.And this motor 17 is fixed on the contact-making surface 5 than four bigger installing hole 17a of screw 22 diameters that inserted in the screw hole of establishing on four jiaos of contact-making surface 57 by diameter.
The 23rd, as the ring flange of attaching parts, the right-hand member of axle 8 and the motor reel 18 of motor 17 in the connection.
As shown in Figure 4, the 24th, known cloth feeding mechanism is installed in the right-hand member of vertical fuselage 2.And the connecting rod of the handle 28 of the set screw 25 that is screwed on the from one to the other vertical fuselage of this cloth feeding mechanism 24 2 fronts, the regulating part 26 of the free rotational support of vertical fuselage right-hand member, connection regulating part 26 and regulating shaft 27 and the control lever that reverses on cloth feeding direction 30 are formed.
The 4th, fin, cover motor 17 front-back and above, right-hand opening has increased the surface area around the motor, can promote motor 17 heat radiations.
The 31st, lid is covered with the right-hand of fin 4, is fixed on the right-hand member of fin 4 by screw 32.
Shown in Figure 5 33 is the wickets that take out motor 17 cables, the 35th, and the lid of unshowned vertical fuselage 2 back openings in the coverage diagram, fixing by a plurality of screws 36.
More than be formation of the present invention, this formation has following action effect.
When motor rotates,, simultaneously, by motor reel 18 axle 8 is rotated by ring flange 23 by its axle 20 rotating pulleys 19.Rely on the rotation of axle 8 on this, transverse arm 11 and shank 12 move up and down, and simultaneously, rotate lower shaft 13 by synchronous belt 14, drive not shown shuttle and cloth feeding mechanism.
Institute is shown in Figure 4, rotates the set screw 25 of cloth feeding mechanism 24, just can rotate regulating part 26 at the right-hand member of vertical fuselage 2, by connecting rod 29 and handle 28, rotates regulating shaft 27, regulates cloth feed amount.The pressure-controlled bar 30 downwards, by connecting rod 29 and handle 28, rotate regulating shaft 27, the conversion cloth feeding direction.
In the above-described embodiments, as the rotating transmission device that the rotation of last axle 8 is passed to lower shaft 13, though can be transmitted by timing belt pulley 15,16 and synchronous belt 14, this tumbler is become mechanism shown in Figure 6 can be better.
37, the 37th, support member is arranged on the varying level direction of vertical fuselage 2.
The 38th, the longitudinal axis supports above-mentioned support member 37,37 free to rotately.
The 39th, be fixed on the bevel gear on the axle 8, this bevel gear 39 is meshed with the bevel gear 40 that is fixed on the longitudinal axis 38 upper ends.The 41st, be fixed on the bevel gear on the lower shaft 13, this bevel gear 41 is meshed with the bevel gear 42 that is fixed on the longitudinal axis 38 lower ends.
In addition, when with last 8 Rotatable umbrella gears 39, the rotation of last axle 8 is passed to lower shaft 13 by bevel gear 40, the longitudinal axis 38, bevel gear 42, bevel gear 41.
The present invention has following beneficial effect.
Because motor is fixed on the right-hand member of the vertical fuselage 2 of right part opening, compared with prior art, needn't Specific technology and experience are arranged, and the consolidation of motor is simple, simultaneously, and the processing of motor bearing Precision also needn't be too strict, reduced processing cost, and, have the effect that can use general commercially available motor.
In addition, owing to be covered with the fin that surface area increases around the motor, have and improve to external cooling Effect because cooling fan etc. needn't be set, has the effect that reduces cost. And, because at aforementioned right-hand member The inside of the vertical fuselage of opening is provided with rotates the rotating transmission device that passes to lower shaft to upper axle, has separated electricity Motivation and rotating transmission device can not be attached at synchronous belt wearing and tearing powder and the oil of the generation in service of sewing machine On the motor, prevented the event of the interfere with motor by adhering to of these materials.
In addition, because the work feed governor motion is arranged on vertical fuselage right part open sides, has as easy as rolling off a log assembling With the effect of adjusting these work feed governor motions.
Claims (3)
1, a kind of uper shaft directly-driving sewing machine, it is characterized in that, constitute the upright vertical fuselage of establishing on the platen of Sewing machines, cover vertical fuselage right-hand around and the fin of right part opening, extend the horn that is provided with from vertical main body section top beginning along continuous straight runs, the lower shaft of support free to rotate on platen, axle in support free to rotate on the horn, be fixed on the right part of aforementioned vertical fuselage and have motor with the motor reel of last axle axle core coaxial core, in bindings spool with the attaching parts of motor reel.
2, uper shaft directly-driving sewing machine according to claim 1 is characterized in that, aforementioned vertical fuselage interior be provided with on the rotation of axle pass to the rotating transmission device of lower shaft.
3, uper shaft directly-driving sewing machine according to claim 1 is characterized in that, at the right-hand work feed governor motion that is provided with of aforementioned vertical fuselage.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP156157/1998 | 1998-06-04 | ||
| JP156157/98 | 1998-06-04 | ||
| JP15615798A JP4164158B2 (en) | 1998-06-04 | 1998-06-04 | Upper shaft direct drive sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1239159A true CN1239159A (en) | 1999-12-22 |
| CN1109149C CN1109149C (en) | 2003-05-21 |
Family
ID=15621603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99107682A Ceased CN1109149C (en) | 1998-06-04 | 1999-06-04 | Uper shaft directly-driving sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4164158B2 (en) |
| CN (1) | CN1109149C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1804184B (en) * | 2006-01-24 | 2011-04-20 | 浙江新杰克缝纫机有限公司 | Servo drive device of lockstitch sewing machine |
| CN1804185B (en) * | 2006-01-24 | 2011-04-20 | 浙江新杰克缝纫机有限公司 | Servo drive mechanism of sewing machine |
| CN1664217B (en) * | 2004-03-05 | 2011-06-01 | 日星产业缝制机械株式会社 | A sewing machine with oil enveloping structure |
| CN101660251B (en) * | 2009-10-19 | 2012-07-04 | 张章生 | Upper shaft direct drive electric sewing machine |
| CN101240486B (en) * | 2007-02-08 | 2012-07-25 | 星锐缝纫机股份有限公司 | Arrangement of lockstitch sewing machine direct-drive type minisize actuating device |
| CN101100793B (en) * | 2006-07-05 | 2012-08-29 | Juki株式会社 | Sewing machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4526114A (en) * | 1983-02-25 | 1985-07-02 | Microdynamics, Inc. | Method and apparatus for sewing mitered corners on a split needle bar sewing machine |
| US5146861A (en) * | 1990-04-26 | 1992-09-15 | Brother Kogyo Kabushiki Kaisha | Sewing machine with a built-in driving motor |
| JPH08215468A (en) * | 1995-02-09 | 1996-08-27 | Brother Ind Ltd | Sewing machine |
-
1998
- 1998-06-04 JP JP15615798A patent/JP4164158B2/en not_active Expired - Fee Related
-
1999
- 1999-06-04 CN CN99107682A patent/CN1109149C/en not_active Ceased
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664217B (en) * | 2004-03-05 | 2011-06-01 | 日星产业缝制机械株式会社 | A sewing machine with oil enveloping structure |
| CN1804184B (en) * | 2006-01-24 | 2011-04-20 | 浙江新杰克缝纫机有限公司 | Servo drive device of lockstitch sewing machine |
| CN1804185B (en) * | 2006-01-24 | 2011-04-20 | 浙江新杰克缝纫机有限公司 | Servo drive mechanism of sewing machine |
| CN101100793B (en) * | 2006-07-05 | 2012-08-29 | Juki株式会社 | Sewing machine |
| CN101240486B (en) * | 2007-02-08 | 2012-07-25 | 星锐缝纫机股份有限公司 | Arrangement of lockstitch sewing machine direct-drive type minisize actuating device |
| CN101660251B (en) * | 2009-10-19 | 2012-07-04 | 张章生 | Upper shaft direct drive electric sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1109149C (en) | 2003-05-21 |
| JP4164158B2 (en) | 2008-10-08 |
| JPH11347277A (en) | 1999-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20090115 Decision number of declaring invalidation: 12652 Granted publication date: 20030521 |