CN203475131U - Sewing machine directly driven by motor - Google Patents
Sewing machine directly driven by motor Download PDFInfo
- Publication number
- CN203475131U CN203475131U CN201320384256.8U CN201320384256U CN203475131U CN 203475131 U CN203475131 U CN 203475131U CN 201320384256 U CN201320384256 U CN 201320384256U CN 203475131 U CN203475131 U CN 203475131U
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- main shaft
- head
- motor stator
- motor
- head end
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- Expired - Fee Related
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Abstract
The utility model discloses a sewing machine directly driven by a motor. The sewing machine comprises a machine head, a machine head end cover and a hand wheel, wherein the machine head is provided with a sewing mechanism which is connected with the motor through a main shaft, a motor stator positioning hole is arranged at the main shaft of the machine head, the machine head end face at the positioning hole is connected with the machine head end cover, the machine head end cover is provided with an embedded hole for embedding a motor stator, the motor stator is embedded in the embedded hole, one end, facing the main shaft, of the motor stator protrudes from the end face of the machine head end cover, and is in clearance butt joint with the motor stator positioning hole of the machine head, and a motor rotor is arranged inside the stator and is sleeved with the main shaft of the sewing mechanism. Through embedding the motor stator in the machine head end cover, an enclosure for the motor is omitted, the overall cost of the sewing machine is reduced, the machine head end cover protects the motor stator before mounting and after mounting, and the positioning hole arranged in the machine head is convenient for fast butt joint among the end cover, the stator and the machine head; the motor rotor is directly sleeved with the main shaft of the sewing mechanism, so that the structure is simplified, the cost is reduced, and the connecting strength is enhanced.
Description
Technical field
The utility model relates to a kind of Sewing machines, particularly a kind of Sewing machines being driven by motor straight.
Background technology
The Sewing machines of existing motor direct-drive comprises head and the motor being connected with head, also comprises the head end cap being connected with head, and the other end that head end cap connects the relative head of motor hides; Wherein head is provided with sewing mechanism, sewing mechanism is provided with main shaft, main shaft is connected and obtains driving force with rotor axis of electric by shaft coupling, thereby drive sewing mechanism work, motor is ready-made finished product, comprise casing, be socketed in stator, rotor in casing, rotor is rotationally connected by bearing and casing.
The shortcoming of prior art is: motor need to configure complete shell, and parts are increased, and complex structure and manufacturing cost are high.
Utility model content
The utility model is in order to overcome defect in above-mentioned prior art, by motor stator is directly installed in head end cap, saves the casing of motor, reduces the holistic cost of Sewing machines.
For achieving the above object, the utility model provides a kind of electric-machine directly-driven Sewing machines, comprise, head, head end cap and handwheel, head is provided with sewing mechanism, sewing mechanism is connected with motor by main shaft, and the main shaft place of head is provided with motor stator locating hole, and the head end face at locating hole place is connected with head end cap; Head end cap is provided with the embedding hole of setting motor stator; thereby motor stator is embedded in embedding hole and forms and firm connection form an integral body; head end cap is realized the protection to motor stator before docking with head; avoid motor stator damaged in uncanned situation; motor stator protrudes from the end face of head end cap towards one end of main shaft; dock in the motor stator locating hole gap set with head when mounted; motor stator locating hole plays the effect of location, guiding docking, and rotor is arranged at stator interior and is connected with the main shaft of sewing mechanism.
In technique scheme, the main shaft of rotor socket sewing mechanism is also firmly connected with main shaft.
In technique scheme; motor stator also comprises the circuit board of drive motors, and it is opposing on the other end of head that circuit board is arranged at motor stator, and circuit board is semicircle annular; the face size of ring width and stator is suitable, and circuit is protected by described head end cap.
In technique scheme, head end cap is provided with the via hole corresponding with head sewing mechanism main shaft.
In technique scheme, handwheel is connected with end or the close end of head spindle, Sewing machines is moved handwheel driving main shaft and is slowly rotated to regulate the stitch of sewing mechanism under halted state, or main shaft rotate from the beginning of time move handwheel and help main shaft to drive sewing mechanism to accelerate to start.
Compared with prior art, the utility model by being embedded at motor stator in head end cap and forming whole before being connected with sewing machine head, save the casing of motor, reduce the holistic cost of Sewing machines, head end cap forms forward and backward protection is installed motor stator, and the set motor stator locating hole of head is convenient to the rapid abutting joint of end cap, stator and head; Rotor main shaft direct and sewing mechanism is socketed, and avoids rotor that bearing is set separately and uses shaft coupling to be connected with main shaft, simplifies the structure and reduces costs, and having strengthened the rigidity connecting, and more easily realizes the accurate control of motor to head work.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view (LOOK RIGHT) of a kind of electric-machine directly-driven Sewing machines of the utility model;
Fig. 2 is the exploded perspective view (LOOK LEFT, before stator is embedded at head end cap) of a kind of electric-machine directly-driven Sewing machines of the utility model;
Fig. 3 is the exploded perspective view (LOOK LEFT, stator is embedded at head end cap) of a kind of electric-machine directly-driven Sewing machines of the utility model.
Mark by reference to the accompanying drawings the following drawings mark thereon:
1-head, 11-motor stator locating hole, 12-main shaft, 2-head end cap, 21-embedding hole, 22-via hole, 3-handwheel, 4-stator, 41-circuit board, 5-rotor.
The specific embodiment
Below in conjunction with accompanying drawing, a specific embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of the specific embodiment.
A kind of electric-machine directly-driven Sewing machines of the present utility model, as Figure 1-3, comprise, head 1, head end cap 2 and handwheel 3, head 1 is provided with sewing mechanism, sewing mechanism is connected with motor by main shaft 12, and main shaft 12 places of head are provided with motor stator locating hole 11, and the head end face at motor stator locating hole 11 places is connected with head end cap 2, head end cap 2 is provided with the embedding hole 21 of setting motor stator, motor stator 3 is embedded at the interior formation in embedding hole 21 and firmly connects, thereby form an integral body, motor stator 4 protrudes from the end face of head end cap towards one end of main shaft 12, dock in motor stator locating hole 11 gaps set with head when mounted, motor stator locating hole 11 plays the effect of guiding docking, motor stator 4 is opposing is connected with motor driving circuit board 41 on the other end end face of head, circuit board 41 is semicircle annular, the face size of ring width and stator is suitable, head end cap 2 plays the protective effect to motor stator 4 before docking with head 1, particularly to realizing reliably protecting with stator circuitry phase plate 41, avoid motor stator 4 damaged in uncanned situation, rotor 5 is arranged at interior 4 of stator and is directly firmly socketed with the main shaft 12 of sewing mechanism, avoids rotor itself bearing is set separately and is connected the shaft coupling of use with main shaft, further reduces costs.
Further as Figure 1-3, after head end cap 2 is connected with head 1, motor stator 4 is hidden, head end cap 2 is provided with the via hole corresponding with main shaft 12 22.
Further as shown in Figure 1, 2, handwheel 3 is arranged at head end cap 2 another side of head 1 dorsad, the end of main shaft 12 is connected with handwheel 3 at via hole 22 places or close via hole 22 places of head end cap, Sewing machines under halted state, move handwheel can driving main shaft 12 slowly to regulate the stitch of sewing mechanism, or rotate and move handwheel while just opening and help main shaft to drive sewing mechanism to accelerate to start at main shaft.
Compared with prior art, the utility model by being embedded at motor stator in head end cap and forming whole before being connected with sewing machine head, save the casing of motor, reduce the holistic cost of Sewing machines, head end cap forms forward and backward protection is installed motor stator, and the set motor stator locating hole of head is convenient to the rapid abutting joint of end cap, stator and head; Meanwhile, rotor main shaft direct and sewing mechanism is socketed, and avoids rotor that bearing is set separately and uses shaft coupling to be connected with main shaft, simplifies the structure and reduces costs, and having strengthened the rigidity connecting, and more easily realizes the accurate control of motor to head work.
Disclosed is above only a specific embodiment of the present utility model, and still, the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (5)
1. an electric-machine directly-driven Sewing machines, comprises, head, head end cap and handwheel, head is provided with sewing mechanism, and sewing mechanism, by main shaft drives, is characterized in that, the main shaft place of head is provided with motor stator locating hole, and the head end face at locating hole place is connected with head end cap; Head end cap is provided with the embedding hole of setting motor stator, motor stator is firmly embedded in embedding hole, motor stator protrudes from the end face of head end cap and docks with the motor stator locating hole gap of head towards one end of main shaft, and rotor is arranged at stator interior and is connected with the main shaft of sewing mechanism.
2. electric-machine directly-driven Sewing machines according to claim 1, is characterized in that, the main shaft of described rotor socket sewing mechanism is also firmly connected with main shaft.
3. electric-machine directly-driven Sewing machines according to claim 2; it is characterized in that; described motor stator also comprises the circuit board of drive motors; it is opposing on the other end of head that circuit board is arranged at motor stator; circuit board is semicircle annular; the face size of ring width and stator is suitable, and circuit is protected by described head end cap.
4. electric-machine directly-driven Sewing machines according to claim 3, is characterized in that, described head end cap is provided with the via hole corresponding with head sewing mechanism main shaft.
5. electric-machine directly-driven Sewing machines according to claim 4, is characterized in that, described handwheel is connected with main the tip of the axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320384256.8U CN203475131U (en) | 2013-06-19 | 2013-06-19 | Sewing machine directly driven by motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320384256.8U CN203475131U (en) | 2013-06-19 | 2013-06-19 | Sewing machine directly driven by motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203475131U true CN203475131U (en) | 2014-03-12 |
Family
ID=50223490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320384256.8U Expired - Fee Related CN203475131U (en) | 2013-06-19 | 2013-06-19 | Sewing machine directly driven by motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203475131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839309A (en) * | 2016-06-02 | 2016-08-10 | 浙江琦星电子有限公司 | Sewing machine, motor thereof and electric control device of sewing machine |
-
2013
- 2013-06-19 CN CN201320384256.8U patent/CN203475131U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105839309A (en) * | 2016-06-02 | 2016-08-10 | 浙江琦星电子有限公司 | Sewing machine, motor thereof and electric control device of sewing machine |
| CN105839309B (en) * | 2016-06-02 | 2019-11-08 | 琦星智能科技股份有限公司 | Electrical motor of sewing machine, sewing machine electric control gear and sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20160619 |