CN210886516U - Sewing machine and driving device for sewing machine - Google Patents
Sewing machine and driving device for sewing machine Download PDFInfo
- Publication number
- CN210886516U CN210886516U CN201920874655.XU CN201920874655U CN210886516U CN 210886516 U CN210886516 U CN 210886516U CN 201920874655 U CN201920874655 U CN 201920874655U CN 210886516 U CN210886516 U CN 210886516U
- Authority
- CN
- China
- Prior art keywords
- rotor shaft
- sewing machine
- opening
- driving device
- state
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to a sewing machine and a driving device for the sewing machine, the sewing machine comprises a shell and a main shaft which penetrates out of the shell; the driving device comprises a machine body and a rotor shaft which is rotatably arranged in the machine body; the machine body comprises a shell and a stator arranged in the shell; the machine body is provided with a first opening, and the first end part of the rotor shaft penetrates out of the first opening to be fixedly connected with the main shaft; the driving device further comprises a positioning member arranged on the periphery of the first end part of the rotor shaft through a connecting mechanism; the outer diameter of the positioning component is equivalent to the inner diameter of the first opening; the positioning member includes a first state located in the first opening to support the rotor shaft from wobbling and a second state exiting the first opening. The driving device for the sewing machine can avoid the rotor shaft from shaking in the transportation process through the positioning component, ensure the concentricity of the rotor shaft and the stator, avoid colliding with other parts in the machine body, and facilitate the installation of the rotor shaft and the main shaft.
Description
Technical Field
The present invention relates to a sewing machine, and more particularly, to a sewing machine and a driving device for the sewing machine.
Background
The drive arrangement that sewing machine used among the correlation technique, generally be the motor, this motor generally includes the fuselage, the rotor shaft of rotatable setting in the fuselage, this rotor shaft needs unsettled setting in this fuselage, just can rotate under the on-state, consequently in this drive arrangement in the transportation, because of this rotor shaft lacks fixing device, lead to it and the unable concentricity unanimity that keeps of stator, the easy appearance rocks, and then the easy other parts with in the fuselage bump, damage other parts, thereby influence this drive arrangement's life.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a drive arrangement that modified sewing machine was used, further provide a modified sewing machine.
The utility model provides a technical scheme that its technical problem adopted is: constructing a driving device for a sewing machine, wherein the sewing machine comprises a machine shell and a main shaft which penetrates out of the machine shell; the driving device comprises a machine body and a rotor shaft which is rotatably arranged in the machine body; the machine body comprises a shell and a stator arranged in the shell; the machine body is provided with a first opening, and a first end part of the rotor shaft penetrates out of the first opening to be fixedly connected with the main shaft; the driving device further comprises a positioning member arranged on the periphery of the first end part of the rotor shaft through a connecting mechanism; the outer diameter of the positioning component is equivalent to the inner diameter of the first opening;
the positioning member includes a first state located in the first opening to support the rotor shaft from wobbling and to ensure concentricity of the rotor shaft and the stator, and a second state exiting the first opening.
Preferably, the positioning member includes a positioning sleeve which is sleeved on the periphery of the rotor shaft and can be driven by the rotation of the rotor shaft to move axially along the rotor shaft to switch from the first state to the second state.
Preferably, the connecting mechanism comprises an internal thread arranged on the inner side of the locating sleeve and an external thread arranged on the outer wall of the rotor shaft and matched with the internal thread.
Preferably, the positioning sleeve comprises an annular body and a positioning groove arranged on the outer side wall of the annular body for positioning an external tool.
Preferably, the rotor shaft includes a main body portion, a fitting portion provided on the main body portion to be fitted with the positioning member, and a stopper portion provided between the main body portion and the fitting portion;
the external thread is arranged on the matching part; when the rotor shaft is connected with the main shaft, the rotor shaft rotates to drive the positioning component to exit the first opening along the axial direction of the rotor shaft, and the first state is switched to the second state.
Preferably, the inner diameter of the positioning member is comparable to the outer diameter of the mating portion;
the outer diameter of the limiting part is larger than that of the matching part.
Preferably, the body further comprises a coil winding disposed on the stator, and a connecting flange disposed at one end of the housing;
the first opening is provided on the connecting flange.
Preferably, the rotor shaft is of a hollow structure and is sleeved on the main shaft and connected with the main shaft.
Preferably, a fastening assembly is further included that is disposed through the rotor shaft to connect the main shaft and the rotor shaft.
The utility model also constructs a sewing machine, which comprises a shell and a main shaft which penetrates out of the shell; also comprises a driving device for the sewing machine of the utility model;
when the first end of the rotor shaft of the driving device penetrates out of the first opening and is fixedly connected with the main shaft, the positioning member of the driving device is withdrawn from the first opening to the first opening, so that the first state is switched to the second state.
Implement the utility model discloses a drive arrangement that sewing machine and sewing machine were used has following beneficial effect: according to the driving device for the sewing machine, the positioning component which can be connected with the rotor shaft through the connecting mechanism is arranged on the periphery of the first end of the rotor shaft, and the outer diameter of the positioning component is set to be equal to the inner diameter of the first opening, so that the positioning component is positioned in the first opening when being positioned in a first state, the rotor shaft can be supported, the rotor shaft is prevented from shaking in the transportation process, the concentricity of the rotor shaft and the stator is ensured, the collision with other parts in a machine body is avoided, other parts are prevented from being damaged, the service life of the driving device can be prolonged, and the rotor shaft and a main shaft can be accurately installed when being installed; when the positioning component is pushed out of the first opening, the rotor shaft and the main shaft can be conveniently connected and fixed, and the rotor shaft can conveniently drive the main shaft of the sewing machine to rotate.
The driving device for the sewing machine has the advantages of convenience in installation, simple structure and strong operation reliability.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a side view of some embodiments of the sewing machine of the present invention;
FIG. 2 is a partially exploded schematic view of some embodiments of the sewing machine of FIG. 1;
FIG. 3 is a partially exploded view of the drive assembly of FIG. 2 in accordance with certain embodiments of the present invention;
FIG. 4 is a cross-sectional view of some embodiments of the sewing machine of FIG. 1;
FIG. 5 is a schematic view of a rotating shaft of a driving device of the sewing machine of FIG. 1;
fig. 6 is a schematic structural view of a positioning member of a driving device according to some embodiments of the present invention in fig. 1.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 to 4 show some preferred embodiments of the sewing machine of the present invention, which can be used for sewing fabrics, and has the advantages of convenient installation, simple structure and strong operation reliability.
As shown in fig. 1 to 4, the sewing machine may include a housing 20, a main shaft 30, and a driving device 10; the housing 20 can be used for mounting a sewing component, and one end of the housing 20 can be recessed to form a mounting groove matched with the driving device 10. The housing 20 may have fan blades 40; the fan blades 40 may be located in the mounting groove. The main shaft 30 can be extended out of the housing 20, and specifically, it can be extended out of the mounting groove, and it can be driven by the driving device 10 to rotate. The driving device 10 can be installed on the housing 20, and it can be connected with the main shaft 30, it can drive the main shaft 30 to rotate, the driving device 10 can form a separate structure with the housing 20, so as to facilitate the transportation of the sewing machine.
Further, in some embodiments, the driving device 10 may include a body 11, a rotor shaft 12, a positioning member 13, and a connection mechanism; the machine body 11 can generate an electromagnetic field in a power-on state, the rotor shaft 12 can be disposed on the machine body 11, and can be driven to rotate by the electromagnetic field generated by the machine body 11 in the power-on state of the machine body 11, and a first end portion and a second end portion of the rotor shaft 12 can respectively penetrate out of the machine body 11 and are respectively connected with the main shaft 30 and the hand wheel, so that the rotor shaft can be driven to rotate by the hand wheel and can drive the main shaft 30 to rotate. The positioning member 13 may be disposed at a periphery of the first end portion of the rotor shaft 12, and may be detachably connected to the rotor shaft 12, specifically, the positioning member 13 may be detachably connected to the rotor shaft 12 through a connecting mechanism, and is used to position the rotor shaft 12, prevent the rotor shaft 12 from shaking, ensure concentricity of the rotor shaft 12 and the machine body 11, and facilitate accurate installation of the rotor shaft 12 and the main shaft 30 during installation, thereby improving installation efficiency. The coupling mechanism may be provided on the positioning member 13 and the rotor shaft 12, respectively, which may enable a detachable connection between the positioning member 13 and the rotor shaft 12.
Further, in some embodiments, the body 11 may include a housing 111, a stator 112, a coil winding, an end cap 113, and a connection flange 114; the housing 111 may have a cylindrical shape, and an inner side thereof may form a receiving cavity for receiving the stator 112 and the coil winding. The stator 112 may be disposed in the housing 111, which may be mounted with the coil windings. The coil winding is provided in plurality, and it can be disposed on the stator and spaced along the inner wall surface of the stator, it can be understood that in other embodiments, it can also be disposed on the outer wall surface of the stator, and not limited to the inner wall surface of the stator, it can generate electromagnetic field in the energized state. The connecting flange 114 may be disposed at one end of the housing 111, and may be used to connect the main body 11 and the casing 20, and may be fastened to the mounting groove of the casing 20 by a fastening member. The end cap 113 may be disposed at the other end of the housing 111, and may have a slot thereon for the stator 112 to be mounted and fixed, it is understood that in other embodiments, the slot may be omitted; in other embodiments, the end cap 113 may be omitted, and in other embodiments, the end cap 113 may be integrally formed with the body 11. The body 11 can be provided with a first opening and a second opening; the first opening may be provided on the attachment flange 114 and the second opening may be provided on the end cap. The first and second ends of the rotor shaft 12 may be disposed through the first and second openings, respectively.
As shown in fig. 3, 4 and 5, further, in some embodiments, the rotor shaft 12 may be axially disposed in the stator 112, and the first end portion thereof may penetrate through the first opening to be fixedly connected to the main shaft 30, and the first end portion is concentric with the stator 112 via the positioning member 13, so as to ensure that the rotor shaft 12 can be accurately mounted on the main shaft 30 during mounting, thereby improving the mounting efficiency. The rotor shaft 12 may be a hollow structure, a first end thereof may be sleeved on the periphery of the main shaft 30, an inner diameter thereof may be adapted to an outer diameter of the main shaft 30, and it may be fixedly connected to the main shaft 30 by disposing a fastening component 14. It will be appreciated that in other embodiments, it may be secured to the spindle 30 by an interference fit. In some embodiments, the fastening component may be a bolt or a screw, which in this embodiment may be a bolt that can be threaded into the rotor shaft 12 to securely connect the main shaft 30 with the rotor shaft 12. Of course, it may be connected, and in other embodiments, it may be a countersunk screw that may be radially threaded into the rotor shaft 12 to connect the rotor shaft 12 with the main shaft 30.
The rotor shaft 12 may include a main body portion 121, a fitting portion 122, a stopper portion 123, and a connecting portion 124; in this embodiment, the main body 121, the stopper 123, the engaging portion 122, and the connecting portion 124 may be connected in sequence and may be integrally formed.
The body portion 121 may be disposed in the fuselage 11 and extend out of a second opening of the fuselage 11, which may comprise a multi-segmented tubular structure; in this embodiment, it may include a first tube 1211, a second tube 1212, and a third tube 1213; the first tube 1211, the second tube 1212, and the third tube 1213 are connected in sequence and integrally formed. The outer diameter of the first tube 1211 is greater than the outer diameter of the second tube 1212, and the outer diameter of the second tube 1212 is greater than the outer diameter of the third tube 1213. The fitting portion 122 is disposed on the main body portion 121, is located at one end of the main body portion 121, and has an outer diameter larger than that of the main body portion 121, specifically, larger than that of the first tube 1211.
The fitting portion 122 can be used to be fitted and fixed with the positioning member 13, and the positioning member 13 can be sleeved on the periphery of the fitting portion. A through hole 1221 may be disposed on the fitting portion 122, and the through hole 1221 may be used for a fastening component to pass through and connect the fitting portion 122 and the main shaft 30. It is understood that in other embodiments, the through hole 1221 may be omitted.
The position-limiting portion 123 may be disposed between the main body portion 121 and the engaging portion 122, and an outer diameter of the position-limiting portion 123 is larger than an outer diameter of the engaging portion 123, which may be used for limiting the position of the positioning member 13. The connecting portion 124 may be disposed at one end of the fitting portion 122, which may be used to connect with a mounting groove on the housing 20. The mounting groove may be provided with a slot for the connection portion 124 to be inserted into. It will be appreciated that in other embodiments, the connecting portion 124 may be omitted.
As shown in fig. 3, 4 and 6, further, in some embodiments, the outer diameter of the positioning member 13 may be equal to the inner diameter of the first opening, and it may cooperate with the body 11 to support the rotor shaft 12, prevent the rotor shaft 12 from shaking, ensure the concentricity of the rotor and the stator, and further prevent the rotor shaft 12 from colliding with other components in the body 11; and it can be moved by the rotor shaft 12 along the axial direction of the rotor shaft 12, so as to facilitate the installation of the driving device 10 and the main shaft 30. The positioning member 13 may comprise a first state and a second state, which may be switched to each other by being moved in the axial direction. In some embodiments, the first state is a state where the positioning member 13 is located in the first opening, and when the positioning member is in the first state, it can support the rotor shaft 12 to prevent the rotor shaft 12 from shaking. The second state may be a state of exiting the first opening, which may facilitate the installation of the rotor shaft 12 and the main shaft 30.
Specifically, in some embodiments, the locating member 13 may comprise a locating sleeve; the outer diameter of the positioning sleeve is equal to the inner diameter of the first opening of the connecting flange, the inner diameter of the positioning sleeve is equal to the inner diameter of the matching portion 122, the positioning sleeve can be sleeved on the periphery of the rotor shaft 12 and can be driven by the rotation of the rotor shaft 12 to move axially along the rotor shaft 12, and therefore the first state can be switched to the second state. The length of the positioning sleeve may be smaller than the length of the matching portion 122, and when the positioning sleeve is in the second state, an end surface of the positioning sleeve, which is opposite to the casing 20, may be flush with an end surface of the matching portion 122, which is far from the main body portion 121, so as to facilitate the installation of the rotor shaft 12 and the main shaft 30.
In some embodiments, the connection mechanism may include an internal thread disposed inside the positioning sleeve and an external thread disposed on an outer side wall of the rotor shaft 12, the external thread and the internal thread being disposed correspondingly, which may be disposed on an outer side wall of the fitting portion 122 and may be fitted with the internal thread, so as to detachably connect the positioning sleeve and the rotor shaft 12, and facilitate driving the positioning sleeve to move along the axial direction by rotating the rotor shaft 12. It will be appreciated that in other embodiments, the connection mechanism may not be limited to internal and external threads. It can also be a plurality of internal teeth arranged in the locating sleeve along the circumferential direction, and external teeth or tooth grooves arranged on the outer side wall of the rotor shaft 12 and matched with the internal teeth.
In some embodiments, the positioning sleeve may include a ring body 131 and a positioning groove 132; the ring-shaped body 131 may be disposed on the periphery of the fitting portion 122, and may be a circular ring, and it is understood that in other embodiments, the ring-shaped body 131 may not be limited to a circular ring. The positioning groove 132 may be disposed on an outer sidewall of the ring body 131, and may be used for positioning an external tool to prevent the ring body 131 from rotating. The positioning groove 132 may be one or more, in this embodiment, it may be multiple, and it may be disposed at intervals along the circumferential direction of the ring body 131. When the driving device 10 is installed on the casing 20, when the rotor shaft 12 is sleeved on the main shaft 30, an external tool may be used to extend into the positioning groove 132 to fix the rotation of the annular body 131, and by rotating the rotor shaft 12, the annular body 13 may be driven to move in a direction close to the casing 20 until the first opening is pushed out.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. A driving device for a sewing machine, the sewing machine comprises a machine shell (20) and a main shaft (30) which penetrates out of the machine shell (20); the driving device (10) comprises a machine body (11) and a rotor shaft (12) which is rotatably arranged in the machine body (11); the body (11) comprises a shell (111), and a stator (112) arranged in the shell (111); a first opening is formed in the machine body (11), and a first end part of the rotor shaft (12) penetrates out of the first opening to be fixedly connected with the main shaft (30); characterized in that the drive further comprises a positioning member (13) arranged at the periphery of the first end of the rotor shaft (12) by means of a connection mechanism; the outer diameter of the positioning member (13) is equivalent to the inner diameter of the first opening;
the positioning member (13) includes a first state in the first opening to support the rotor shaft (12) from wobbling and to ensure concentricity of the rotor shaft and the stator (112), and a second state exiting the first opening.
2. The driving device for the sewing machine according to claim 1, wherein the positioning member (13) comprises a positioning sleeve which is sleeved on the periphery of the rotor shaft (12) and can be driven by the rotor shaft (12) to move axially along the rotor shaft (12) to switch from the first state to the second state.
3. The drive device for a sewing machine according to claim 2, wherein the connecting mechanism comprises an internal thread provided on the inner side of the positioning sleeve and an external thread provided on the outer wall of the rotor shaft (12) to engage with the internal thread.
4. The driving device for the sewing machine according to claim 2, wherein the positioning sleeve comprises a ring body (131), and a positioning groove (132) provided on an outer side wall of the ring body (131) for positioning an external tool.
5. The drive device for the sewing machine according to claim 3, wherein the rotor shaft (12) includes a main body portion (121), an engaging portion (122) provided on the main body portion (121) to engage with the positioning member (13), and a stopper portion (123) provided between the main body portion (121) and the engaging portion (122);
the external thread is provided on the fitting portion (122); when the rotor shaft (12) is connected with the main shaft (30), the rotor shaft (12) rotates to drive the positioning component (13) to withdraw from the first opening along the axial direction of the rotor shaft (12), and the first state is switched to the second state.
6. The drive device for a sewing machine according to claim 5, characterized in that the inner diameter of the positioning member (13) corresponds to the outer diameter of the engagement portion (122);
the outer diameter of the limiting part (123) is larger than that of the matching part (122).
7. The driving apparatus for the sewing machine according to claim 1, wherein the body (11) further comprises a coil winding provided on the stator (112), and a connecting flange (114) provided at one end of the housing (111);
the first opening is provided on the connecting flange (114).
8. The driving device for the sewing machine according to claim 1, wherein the rotor shaft (12) is hollow so as to fit over the main shaft (30) and is connected to the main shaft (30).
9. Drive for a sewing machine according to claim 8, further comprising a fastening assembly (14) arranged through the rotor shaft (12) to connect the main shaft (30) and the rotor shaft (12).
10. A sewing machine comprises a machine shell (20) and a main shaft (30) penetrating out of the machine shell (20); characterized by further comprising a drive device (10) for a sewing machine according to any one of claims 1 to 9;
when the first end of the rotor shaft (12) of the driving device (10) penetrates out of the first opening and is fixedly connected with the main shaft (30), the positioning component (13) of the driving device is withdrawn from the first opening and is arranged towards the first opening, so that the first state is switched to the second state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920874655.XU CN210886516U (en) | 2019-06-10 | 2019-06-10 | Sewing machine and driving device for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920874655.XU CN210886516U (en) | 2019-06-10 | 2019-06-10 | Sewing machine and driving device for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210886516U true CN210886516U (en) | 2020-06-30 |
Family
ID=71335208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920874655.XU Expired - Fee Related CN210886516U (en) | 2019-06-10 | 2019-06-10 | Sewing machine and driving device for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210886516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064224A (en) * | 2019-06-10 | 2020-12-11 | 深圳市积聚电子有限公司 | Sewing machine and driving device for sewing machine |
-
2019
- 2019-06-10 CN CN201920874655.XU patent/CN210886516U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112064224A (en) * | 2019-06-10 | 2020-12-11 | 深圳市积聚电子有限公司 | Sewing machine and driving device for sewing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104921663B (en) | Cleaning implement | |
| US6131422A (en) | Drive device for a washing machine | |
| EP2551398B1 (en) | Motor usable with washing machine and washing machine having the same | |
| CN210886516U (en) | Sewing machine and driving device for sewing machine | |
| CN108075583B (en) | External rotor motor and rolling brush dust collector using same | |
| JP2006289571A (en) | Power tool | |
| CN210176278U (en) | Barring structure of traction machine | |
| KR20140118456A (en) | Diffuser module and Electric blower having the same | |
| CN112064224A (en) | Sewing machine and driving device for sewing machine | |
| CN217338427U (en) | Cleaning brush and intelligent cleaning equipment | |
| CN204794462U (en) | Pull end lid motor | |
| US20060192440A1 (en) | Synchronous motor, particularly for an aquarium pump | |
| CN215498689U (en) | Double-rotor brushless coreless motor | |
| CN217411582U (en) | Cleaning brush and intelligent cleaning equipment | |
| CN114247670B (en) | Cleaning brush and intelligent cleaning equipment | |
| US3401870A (en) | Blower assembly | |
| CN210608882U (en) | Direct current brushless motor | |
| CN213585308U (en) | External rotor motor | |
| CN212278031U (en) | High-speed brushless motor of screwless structure | |
| CN212726617U (en) | Micromotor rotor and medical micromotor | |
| CN210129811U (en) | Double-shaft motor and air supply device | |
| CN112054622A (en) | Brushless motor with outer rotor | |
| CN212868010U (en) | Plastic wind wheel and fan | |
| CN219181327U (en) | Outer rotor motor | |
| CN212992067U (en) | Hollow cup motor rotor and medical hollow cup motor |
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: 20200630 Termination date: 20210610 |