CN103715817A - Sewing machine motor with built-in couplings - Google Patents
Sewing machine motor with built-in couplings Download PDFInfo
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- CN103715817A CN103715817A CN201310754305.7A CN201310754305A CN103715817A CN 103715817 A CN103715817 A CN 103715817A CN 201310754305 A CN201310754305 A CN 201310754305A CN 103715817 A CN103715817 A CN 103715817A
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Abstract
The invention provides a sewing machine motor with built-in couplings, and belongs to the technical field of machines. The sewing machine motor with the built-in couplings solves the problems that due to the fact that couplings of existing motors are arranged externally, occupied space is too large, and the assembling process is complex. The sewing machine motor with the built-in couplings comprises a motor outer shell and a motor shaft, wherein the front end of the motor shaft and a main shaft are connected through a main shaft coupling internally arranged in the motor outer shell and a motor coupling, and the rear end of the motor shaft is connected with a hand wheel. The motor shaft can transmit torque from an output shaft of the motor to the main shaft of a machine head by starting the motor or rotating the handle wheel, the main shaft coupling and the motor coupling are hidden in the motor outer shell, the length of the whole motor can be reduced effectively, and meanwhile the problem that parts of sewing machines cannot be connected with direct drive motors due to limitation of structures can also be solved. The sewing machine motor with the built-in couplings is simple in structure, convenient to mount and capable of improving assembling efficiency.
Description
Technical field
The invention belongs to field of mechanical technique, relate to the electrical motor of sewing machine of a kind of accessory of sewing machine, particularly a kind of built-in shaft coupling.
Background technology
At present, in machine driving, between the main shaft of motor and sewing machine, all need shaft coupling to be connected, motor is connected with head of sewing machine by locating flange, and shaft coupling is to be all placed in outside motor in such design, take up room larger, and in sewing machine industry, head intracavity space is limited, part type cannot pack shaft coupling in head inner chamber, and traditional motor for sewing machine axle is all to grow locating flange, part type is due to the limited reason of structure, motor coupler design is shorter, cover or bearing close together after main spindle coupling and main shaft, design causes efficiency of assembling low like this, sewing machine case and element precision are had relatively high expectations, and can cause machine torque heavier.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed a kind of electrical motor of sewing machine of built-in shaft coupling, it is simple in structure, easy for installation, improves efficiency of assembling.
Object of the present invention can realize by following technical proposal: a kind of electrical motor of sewing machine of built-in shaft coupling, described sewing machine comprises head, main shaft, motor and handwheel, it is characterized in that, described motor comprises motor housing and motor shaft, between the front end of described motor shaft and main shaft, by the main spindle coupling being built in motor housing, be connected with motor coupler, the rear end of described motor shaft is connected with handwheel.
In the technical program, motor shaft is by unlatching motor or rotary manipulation handwheel all can be delivered to moment of torsion the main shaft of head from the output shaft of motor, main spindle coupling and motor coupler are built in motor housing, can effectively shorten complete machine length, also can solve part sewing machine due to the limited problem that cannot connect direct driving motor of structure simultaneously.
In the electrical motor of sewing machine of above-mentioned built-in shaft coupling, the leading section of described motor shaft is made as hollow shaft, and described motor coupler is connected in the inner chamber of motor shaft leading section by screw.Motor coupler is arranged in motor shaft, can further improve degree of integration, shorten entire length.
In the electrical motor of sewing machine of above-mentioned built-in shaft coupling, dog one and dog two by interlock intersected with each other between described main spindle coupling and motor coupler plug, described shaft coupling packing ring is gear-like structure, and each double wedge of described shaft coupling packing ring is disposed on respectively between dog one and dog two.Double wedge is folded between dog one and dog two, is connected firmly, and can plays sufficient buffer protection effect.
In the electrical motor of sewing machine of above-mentioned built-in shaft coupling, between described main spindle coupling and motor coupler, be provided with shaft coupling packing ring.Rubber blanket plays buffer protection effect.
In the electrical motor of sewing machine of above-mentioned built-in shaft coupling, described main spindle coupling and motor coupler are all arranged in the inner chamber of motor shaft leading section.The entire length of motor shaft can be further shortened in this design.
In the electrical motor of sewing machine of above-mentioned built-in shaft coupling, the outer face of described main spindle coupling is equal with the front end face of motor shaft.
In the electrical motor of sewing machine of above-mentioned built-in shaft coupling, described screw horizontally set also parallels with the axial line of motor shaft.Motor coupler is laterally connected on motor shaft by screw, can effectively avoid screw to be prone to loosening problem after long-time use.
In the electrical motor of sewing machine of above-mentioned built-in shaft coupling, described motor housing is tubular structure, the front end of described motor housing is provided with one for motor being connected to the flange of head of sewing machine, the rear end of motor housing is provided with a rear end cap, and the rear end of described motor shaft is connected with handwheel through after rear end cap.
In the electrical motor of sewing machine of above-mentioned built-in shaft coupling, on described flange, be provided with a seam, described back-end of machine head offers an axle metapore, after being inserted with an axle in described axle metapore, overlap, after described axle, cover has the step end face matching with seam, and described main shaft is through being connected with motor shaft with motor coupler by main spindle coupling after cover after axle again.After axle, cover and seam match and position, and guarantee that motor shaft and main shaft have good axiality, assemble easier.
Compared with prior art, this motor has the following advantages: 1, the present invention is by being built in main spindle coupling and motor coupler in motor, solved part sewing machine due to the limited problem that cannot connect direct driving motor of structure, also shortened complete machine length, reduced noise and vibrations simultaneously; 2, motor of the present invention is convenient to assembling, and head and part processing precision are reduced, and has greatly improved efficiency of assembling simultaneously, there will not be the bad problem of axiality between assembling rear motor and main shaft, has improved product quality, gives simultaneously and has after sale also brought convenience.
Accompanying drawing explanation
Fig. 1 is installation site of the present invention schematic diagram.
Fig. 2 is structural representation of the present invention.
Fig. 3 is decomposing schematic representation one of the present invention.
Fig. 4 is decomposing schematic representation two of the present invention.
Fig. 5 is schematic cross-section of the present invention.
In figure, 1, head; 1a, axle metapore; 2, main shaft; 3, after axle, overlap; 3a, step end face; 4, main spindle coupling; 4a, dog one; 5, shaft coupling packing ring; 5a, double wedge; 6, motor coupler; 6a, dog two; 7, flange; 7a, seam; 8, motor; 8a, motor housing; 8b, motor shaft; 8c, magnet steel coil block; 9, rear end cap; 10, encoder lid; 11, tension disc; 12, fore bearing; 13, rear bearing; 14, pad; 15, handwheel; 16, screw.
Embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
With reference to Fig. 1, the electrical motor of sewing machine that the present embodiment is a kind of built-in shaft coupling, sewing machine comprises head 1, main shaft 2, flange 7, motor 8 and handwheel 15, flange 7 is arranged on motor 8 front ends, for motor 8 is connected to head of sewing machine 1.Head 1 rear end offers an axle metapore 1a who stretches out for main shaft 2, after being inserted with an axle in axle metapore 1a, overlap 3, after axle, overlap 3 be set on main shaft 2 and have with flange 7 on the step end face 3a that matches of the seam 7a that arranges, main shaft 2 is connected with motor shaft 8b with motor coupler 6 by main spindle coupling 4 after overlapping 3 after axle again.
With reference to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, motor 8 comprises motor housing 8a, motor shaft 8b and magnet steel coil block 8c.Motor housing 8a is tubular structure, and motor shaft 8b and magnet steel coil block 8c are built in motor housing 8a, and flange 7 is connected with the front end of motor housing 8a, and the rear end of motor housing 8a is provided with a rear end cap 9 and encoder lid 10.The rear and front end of motor shaft 8b is supported on respectively on flange 7 and rear end cap 9 by fore bearing 12 and rear bearing 13 respectively, is also provided with a pad 14 between rear bearing 13 and rear end cap 9.Motor shaft 8b is special-shaped axis, and rear end is entity axle, and it stretches out backward motor housing 8a and is connected with handwheel 15 through rear end cap 9.The front end of motor shaft 8b is hollow shaft and is built in motor housing 8a, motor coupler 6 is built in the leading section of motor shaft 8b, by matched in clearance, be plugged in together between the two, and lock by 3 screws 16, to guarantee the axiality of motor coupler 6 and motor shaft 8b, screw 16 horizontally sets also parallel with the axial line of motor shaft 8b.
With reference to Fig. 2, Fig. 3, Fig. 4 and Fig. 5, dog one 4a and dog two 6a by interlock intersected with each other between main spindle coupling 4 and motor coupler 6 plug, the shaft coupling packing ring 5 being folded between main spindle coupling 4 and motor coupler 6 is gear-like structure, and each double wedge 5a of shaft coupling packing ring 5 is disposed on respectively between dog one 4a and dog two 6a.In the present embodiment, main spindle coupling 4, shaft coupling packing ring 5 and motor coupler 6 are all positioned at the leading section cavity of motor shaft 8b, and the outer face of main spindle coupling 4 is equal with the front end face of motor shaft 8b.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although more used herein overlap 3 after head 1, axle metapore 1a, main shaft 2, axle, the term such as step end face 3a, main spindle coupling 4, dog one 4a, shaft coupling packing ring 5, double wedge 5a, motor coupler 6, dog two 6a, flange 7, seam 7a, motor 8, motor housing 8a, motor shaft 8b, magnet steel coil block 8c, rear end cap 9, encoder lid 10, tension disc 11, fore bearing 12, rear bearing 13, pad 14, handwheel 15, screw 16, do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (9)
1. the electrical motor of sewing machine of a built-in shaft coupling, described sewing machine comprises head (1), main shaft (2), motor (8) and handwheel (15), it is characterized in that, described motor (8) comprises motor housing (8a) and motor shaft (8b), between the front end of described motor shaft (8b) and main shaft (2), by the main spindle coupling (4) being built in motor housing (8a), be connected with motor coupler (6), the rear end of described motor shaft (8b) is connected with handwheel (15).
2. the electrical motor of sewing machine of built-in shaft coupling according to claim 1, is characterized in that, the leading section of described motor shaft (8b) is made as hollow shaft, and described motor coupler (6) is connected in the inner chamber of motor shaft (8b) leading section by screw (16).
3. the electrical motor of sewing machine of built-in shaft coupling according to claim 2, it is characterized in that, dog one (4a) and dog two (6a) by interlock intersected with each other between described main spindle coupling (4) and motor coupler (6) plug, described shaft coupling packing ring (5) is gear-like structure, and each double wedge of described shaft coupling packing ring (5) is disposed on respectively between dog one (4a) and dog two (6a).
4. the electrical motor of sewing machine of built-in shaft coupling according to claim 3, is characterized in that, between described main spindle coupling (4) and motor coupler (6), is provided with shaft coupling packing ring (5).
5. according to the electrical motor of sewing machine of the built-in shaft coupling described in claim 2 or 3 or 4, it is characterized in that, described main spindle coupling (4) and motor coupler (6) are all arranged in the inner chamber of motor shaft (8b) leading section.
6. the electrical motor of sewing machine of described built-in shaft coupling according to claim 5, is characterized in that, the outer face of described main spindle coupling (4) is equal with the front end face of motor shaft (8b).
7. the electrical motor of sewing machine of built-in shaft coupling according to claim 1, is characterized in that, described screw (16) horizontally set also parallels with the axial line of motor shaft (8b).
8. the electrical motor of sewing machine of built-in shaft coupling according to claim 1, it is characterized in that, described motor housing (8a) is tubular structure, the front end of described motor housing (8a) is provided with one for motor (8) being connected to the flange (7) of head of sewing machine (1), the rear end of motor housing (8a) is provided with a rear end cap (9), and the rear end of described motor shaft (8b) is connected with handwheel (15) through after rear end cap (9).
9. the electrical motor of sewing machine of built-in shaft coupling according to claim 8, it is characterized in that, on described flange (7), be provided with a seam (7a), described head (1) rear end offers an axle metapore (1a), after being inserted with an axle in described axle metapore (1a), overlap (3), after described axle, cover (3) has the step end face matching with seam (7a), and described main shaft (2) is through being connected with motor shaft (8b) with motor coupler (6) by main spindle coupling (4) after cover (3) after axle again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754305.7A CN103715817A (en) | 2013-12-31 | 2013-12-31 | Sewing machine motor with built-in couplings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754305.7A CN103715817A (en) | 2013-12-31 | 2013-12-31 | Sewing machine motor with built-in couplings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103715817A true CN103715817A (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310754305.7A Pending CN103715817A (en) | 2013-12-31 | 2013-12-31 | Sewing machine motor with built-in couplings |
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| CN (1) | CN103715817A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1119369A (en) * | 1997-06-30 | 1999-01-26 | Yamato Sewing Mach Co Ltd | Drive device for industrial sewing machine |
| CN200940202Y (en) * | 2006-07-10 | 2007-08-29 | 上海富山缝纫机制造有限公司 | Connecting mechanism of coupled-axle device of sewing machine |
| CN200952076Y (en) * | 2006-09-11 | 2007-09-26 | 中捷缝纫机股份有限公司 | Improved electrical direct-driving sewing machine |
| CN201321539Y (en) * | 2008-12-19 | 2009-10-07 | 上海富山精密机械科技有限公司 | Direct-drive structure device for industrial overedger |
| CN101710755A (en) * | 2009-12-22 | 2010-05-19 | 苏州扬名机电有限公司 | servo motor |
| CN101876126A (en) * | 2009-04-30 | 2010-11-03 | 浙江关西电机有限公司 | Electric sewing machine |
| CN201883276U (en) * | 2010-11-26 | 2011-06-29 | 浙江美机缝纫机有限公司 | Sewing machine directly driven by motor and coupling mechanism thereof |
| CN203788085U (en) * | 2013-12-31 | 2014-08-20 | 浙江宝石机电股份有限公司 | Sewing machine motor with built-in couplings |
-
2013
- 2013-12-31 CN CN201310754305.7A patent/CN103715817A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1119369A (en) * | 1997-06-30 | 1999-01-26 | Yamato Sewing Mach Co Ltd | Drive device for industrial sewing machine |
| JP3799458B2 (en) * | 1997-06-30 | 2006-07-19 | ヤマトミシン製造株式会社 | Industrial sewing machine drive |
| CN200940202Y (en) * | 2006-07-10 | 2007-08-29 | 上海富山缝纫机制造有限公司 | Connecting mechanism of coupled-axle device of sewing machine |
| CN200952076Y (en) * | 2006-09-11 | 2007-09-26 | 中捷缝纫机股份有限公司 | Improved electrical direct-driving sewing machine |
| CN201321539Y (en) * | 2008-12-19 | 2009-10-07 | 上海富山精密机械科技有限公司 | Direct-drive structure device for industrial overedger |
| CN101876126A (en) * | 2009-04-30 | 2010-11-03 | 浙江关西电机有限公司 | Electric sewing machine |
| CN101710755A (en) * | 2009-12-22 | 2010-05-19 | 苏州扬名机电有限公司 | servo motor |
| CN201883276U (en) * | 2010-11-26 | 2011-06-29 | 浙江美机缝纫机有限公司 | Sewing machine directly driven by motor and coupling mechanism thereof |
| CN203788085U (en) * | 2013-12-31 | 2014-08-20 | 浙江宝石机电股份有限公司 | Sewing machine motor with built-in couplings |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20151224 Address after: Taizhou City, Zhejiang province 318000 Jiaojiang Xiachen street, Airport Road No. 1 Applicant after: ZHEJIANG GEMSY MECHANICAL & ELECTRICAL CO., LTD Address before: 318000, No. 638, East Ring Road, Taizhou Economic Development Zone, Jiaojiang District, Zhejiang, Taizhou Applicant before: Zhejiang Gemsy Mechanical and Electrical Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140409 |
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| RJ01 | Rejection of invention patent application after publication |