CN201301395Y - Reversible sewing switching device of a sewing machine - Google Patents
Reversible sewing switching device of a sewing machine Download PDFInfo
- Publication number
- CN201301395Y CN201301395Y CNU2008202015393U CN200820201539U CN201301395Y CN 201301395 Y CN201301395 Y CN 201301395Y CN U2008202015393 U CNU2008202015393 U CN U2008202015393U CN 200820201539 U CN200820201539 U CN 200820201539U CN 201301395 Y CN201301395 Y CN 201301395Y
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- slide block
- steel wire
- sewing machines
- switching
- switching device
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Abstract
The utility model relates to the technical field of the sewing machine, and in particular to a reversible sewing switch device, which comprises two flexible steel wires, a first shifting block, a second shifting lock and a switching handle, wherein, the first shifting block is connected with a reversible rotation switching device of a loading mechanism, and the second shifting block is connected with a reversible rotation switching device of a feeding mechanism, and the switching handle is installed on a vertical post of the sewing machine, and one end of the switching handle extends out of the vertical post, and the first shifting lock is connected with the switching handle through the steel wire, and the second shifting block is connected with the switching handle through the other steel wire. The flexible steel wire is adopted to substitute the traditional hard operation rod, and both ends of the steel wire are respectively connected with the shifting blocks and the switching handle, so that the switching handle is rotated to drive the shifting blocks to rotate through the steel wire, and the shifting blocks drive the reversible rotation switching device to realize the engagement-disengagement switching, thereby realizing the reversible feeding of the feeding mechanism. The reversible sewing switching device of the sewing machine has the advantages of simple structure and convenient application.
Description
Technical field:
The utility model relates to the sewing machine technique field, refers in particular to the suitable seaming and cutting changing device of falling of a kind of Sewing machines.
Background technology:
At present, Sewing machines with the function of backstitching mostly adopts falling of arrangement of clutch control feed mechanism, switching along seam, the switching of arrangement of clutch is finished by manipulation device, manipulation device is made of control stick spanner and the control stick affixed with it, it turns an angle and drives control stick and rotate to an angle and realize the switching of arrangement of clutch by pull the control stick spanner with hand, the control stick that this device adopts is made up of a plurality of connectors of more complicated, could realize switching the function of arrangement of clutch like this, make Sewing machines seem too complicated, outward appearance is attractive in appearance inadequately, because mechanism's complexity also breaks down easily.
The utility model content:
The purpose of this utility model is exactly to provide falling of a kind of Sewing machines suitable seaming and cutting changing device at the deficiency of prior art existence, adopts the flexible rigid control stick of steel wire replacement, and is simple in structure.
To achieve these goals, the technical solution adopted in the utility model is: the suitable seaming and cutting changing device of Sewing machines, comprise steel wire, first slide block, second slide block of two flexibilities and switch handle, described first slide block is connected with the rotating switching device shifter of last feed mechanism, second slide block is connected with the rotating switching device shifter of down charging mechanism, switching handle is installed on the column of Sewing machines, wherein an end stretches out outside the column, first slide block is connected with the switching handle by steel wire, and second slide block is connected with the switching handle by another steel wire.
Described first slide block is made of two " L " shape plates, two " L " shape plates are to be vertical connection, wherein the free end of one " L " shape plate is provided with cylindrical hole, the free end of another " L " shape plate is connected with baffle plate, baffle plate and " L " shape vertical connection of plate, first slide block is connected with first turning cylinder by cylindrical hole, be arranged on first turning cylinder on the crossbearer of Sewing machines, " L " shape plate that is provided with cylindrical hole is connected with steel wire, and baffle plate is connected with the rotating switching device shifter of last feed mechanism.
One side of described second slide block is provided with cylindrical hole, second slide block is socketed on second turning cylinder by cylindrical hole, second turning cylinder is arranged on the base of Sewing machines, the side that second slide block is relative with cylindrical hole is connected with steel wire, and the middle part of second slide block is connected with the rotating switching device shifter of down charging mechanism.
Described switching handle is by steel wire contiguous block and affixed the forming of " L " shape swing handle, and the surface of steel wire contiguous block both sides offers and is used for the hole that steel wire passes, and two steel wires penetrate in the hole from upper surface, the lower surface of steel wire contiguous block respectively, and are fastened in the hole.
Described rotating switching device shifter comprises transmission main shaft, positive runner, counter-rotating wheel, switches wheel, apical axis and spring, transmission main shaft axially offer the blind hole coaxial with it, the middle part of transmission main shaft offers chute, the blind hole of transmission main shaft is placed spring and apical axis, spring one end contacts with the blind hole bottom, one end in contact of the other end and apical axis, switch and take turns the chute place that is socketed in transmission main shaft, switching wheel connects as one by pin and apical axis, positive runner and counter-rotating wheel are socketed on the transmission main shaft respectively, and are positioned at the both sides of switching wheel.
The baffle plate of first slide block contacts with the apical axis of the rotating switching device shifter of last feed mechanism.
The middle part of second slide block contacts with the apical axis of the rotating switching device shifter of down charging mechanism.
The utility model beneficial effect is: the utility model adopts the steel wire of a flexibility to replace traditional rigid control stick, the steel wire two ends connect shifting part respectively and switch handle, rotate and switch handle by the rotation of steel wire drive shifting part, shifting part drives the rotating switching device shifter again, the realization clutch is switched, and then the positive and negative feeding of realization feed mechanism, so, the utlity model has advantage simple in structure, easy to use.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of wherein a kind of rotating switching device shifter of adopting of the utility model;
Fig. 3 is that the utility model is applied to the structural representation on the Sewing machines.
The specific embodiment:
See Fig. 1,3, the utility model comprises steel wire 1, first slide block 2, second slide block 3 of two flexibilities and switches handle 4, described first slide block 2 is connected with the rotating switching device shifter 5 of last feed mechanism, second slide block 3 is connected with the rotating switching device shifter 5 of down charging mechanism, switching handle 4 is installed on the column 7a of Sewing machines 7, wherein an end stretches out outside the column 7a, first slide block 2 is connected with switching handle 4 by steel wire 1, and second slide block 3 is connected with switching handle 4 by another steel wire 1.
Described first slide block 2 is made of two " L " shape plate 2a, two " L " shape plate 2a are vertical connection, wherein the free end of one " L " shape plate 2a is provided with cylindrical hole 2b, the free end of another " L " shape plate 2a is connected with baffle plate 2c, baffle plate 2c and " L " shape vertical connection of plate 2a, first slide block 2 is connected with first turning cylinder 8 by cylindrical hole 2b, be arranged on first turning cylinder 8 on the crossbearer 7b of Sewing machines 7, be provided with " L " shape plate 2a of cylindrical hole 2b and steel wire and connect 1 and connect, baffle plate 2c is connected with the rotating switching device shifter 5 of last feed mechanism.
One side of described second slide block 3 is provided with cylindrical hole 3a, second slide block 3 is socketed on second turning cylinder (not drawing among the figure) by cylindrical hole 3a, second turning cylinder (not drawing among the figure) is arranged on the base 7c of Sewing machines 7, the side that second slide block 3 is relative with cylindrical hole 3a is connected with steel wire 1, and the middle part of second slide block 3 is connected with the rotating switching device shifter 6 of down charging mechanism.
Described switching handle 4 is by steel wire contiguous block 4a and affixed the forming of " L " shape swing handle 4b, the surface of steel wire contiguous block 4a both sides offers and is used for the hole 4c that steel wire passes, two steel wires 1 penetrate in the 4c of hole from upper surface, the lower surface of steel wire contiguous block 4a respectively, and are fastened in the 4c of hole.
See Fig. 2, described rotating switching device shifter 5 comprises transmission main shaft 5a, positive runner 5b, counter-rotating wheel 5c, switch wheel 5d, apical axis 5e and spring 5f, transmission main shaft 5a axially offers the blind hole 5g coaxial with it, the middle part of transmission main shaft 5a offers chute 5h, the blind hole 5g of transmission main shaft 5a places spring 5f and apical axis 5e, spring 5f one end contacts with blind hole 5g bottom, the end in contact of the other end and apical axis 5e, switch and take turns the chute 5h place that 5d is socketed in transmission main shaft 5a, switching wheel 5d connects as one by pin 5i and apical axis 5e, positive runner 5b and counter-rotating wheel 5c are socketed in respectively on the transmission main shaft 5a, and be positioned at the both sides of switching wheel 5d, the baffle plate 2c of first slide block 2 contacts with the apical axis 5e of the rotating switching device shifter 5 of last feed mechanism, and the middle part of second slide block 3 contacts with the apical axis 5e of the rotating switching device shifter 5 of down charging mechanism.
Rotating switching principle: when first slide block 2 and second slide block 3 keep home positions constant, the switching wheel 5d of rotating switching device shifter 5 is an overall structure with positive runner 5b engagement, when driving mechanism drives positive runner 5d and rotates, positive runner 5d will drive transmission main shaft 5a and link together, transmission main shaft 5a is connected with drawing-inroller (not drawing among the figure), at this moment, Sewing machines will be done along making; Press and switch handle 4, switching handle 4 rotates by flexible steel wire 1 pulling first slide block 2 and second slide block 3, the apical axis 5e that first slide block 2 and second slide block 3 will be gone up feed mechanism and down charging mechanism rotating switching device shifter 5 respectively depresses, at this moment, the switching wheel 5d of rotating switching device shifter 5 is an overall structure with counter-rotating wheel 5c engagement, when driving mechanism drives counter-rotating wheel 5c rotation, counter-rotating wheel 5c will drive transmission main shaft 5a and link together, transmission main shaft 5a is connected with drawing-inroller (not drawing among the figure), at this moment, Sewing machines will be done to backstitch and make.
Claims (7)
1, Sewing machines falls along the seaming and cutting changing device, comprise steel wire, first slide block, second slide block of two flexibilities and switch handle, it is characterized in that: described first slide block is connected with the rotating switching device shifter of last feed mechanism, second slide block is connected with the rotating switching device shifter of down charging mechanism, switching handle is installed on the column of Sewing machines, wherein an end stretches out outside the column, first slide block is connected with the switching handle by steel wire, and second slide block is connected with the switching handle by another steel wire.
2, falling of Sewing machines according to claim 1 along the seaming and cutting changing device, it is characterized in that: described first slide block is made of two " L " shape plates, two " L " shape plates are to be vertical connection, wherein the free end of one " L " shape plate is provided with cylindrical hole, the free end of another " L " shape plate is connected with baffle plate, baffle plate and " L " shape vertical connection of plate, first slide block is connected with first turning cylinder by cylindrical hole, be arranged on first turning cylinder on the crossbearer of Sewing machines, " L " shape plate that is provided with cylindrical hole is connected with steel wire, and baffle plate is connected with the rotating switching device shifter of last feed mechanism.
3, Sewing machines according to claim 1 falls along the seaming and cutting changing device, it is characterized in that: a side of described second slide block is provided with cylindrical hole, second slide block is socketed on second turning cylinder by cylindrical hole, second turning cylinder is arranged on the base of Sewing machines, the side that second slide block is relative with cylindrical hole is connected with steel wire, and the middle part of second slide block is connected with the rotating switching device shifter of down charging mechanism.
4, falling according to any described Sewing machines of claim 1 to 3 along the seaming and cutting changing device, it is characterized in that: described switching handle is by steel wire contiguous block and affixed the forming of " L " shape swing handle, the surface of steel wire contiguous block both sides offers and is used for the hole that steel wire passes, two steel wires penetrate in the hole from upper surface, the lower surface of steel wire contiguous block respectively, and are fastened in the hole.
5, according to falling of any described Sewing machines of claim 1 to 3 along the seaming and cutting changing device, it is characterized in that: described rotating switching device shifter comprises transmission main shaft, positive runner, the counter-rotating wheel, switch wheel, apical axis and spring, transmission main shaft axially offer the blind hole coaxial with it, the middle part of transmission main shaft offers chute, the blind hole of transmission main shaft is placed spring and apical axis, spring one end contacts with the blind hole bottom, one end in contact of the other end and apical axis, switch and take turns the chute place that is socketed in transmission main shaft, switching wheel connects as one by pin and apical axis, positive runner and counter-rotating wheel are socketed on the transmission main shaft respectively, and are positioned at the both sides of switching wheel.
6, falling along the seaming and cutting changing device of Sewing machines according to claim 5, it is characterized in that: the baffle plate of first slide block contacts with the apical axis of the rotating switching device shifter of last feed mechanism.
7, falling along the seaming and cutting changing device of Sewing machines according to claim 5, it is characterized in that: the middle part of second slide block contacts with the apical axis of the rotating switching device shifter of down charging mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202015393U CN201301395Y (en) | 2008-10-07 | 2008-10-07 | Reversible sewing switching device of a sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202015393U CN201301395Y (en) | 2008-10-07 | 2008-10-07 | Reversible sewing switching device of a sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201301395Y true CN201301395Y (en) | 2009-09-02 |
Family
ID=41085019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202015393U Expired - Fee Related CN201301395Y (en) | 2008-10-07 | 2008-10-07 | Reversible sewing switching device of a sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201301395Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637736A (en) * | 2016-12-29 | 2017-05-10 | 杰克缝纫机股份有限公司 | Reverse stitching device |
-
2008
- 2008-10-07 CN CNU2008202015393U patent/CN201301395Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637736A (en) * | 2016-12-29 | 2017-05-10 | 杰克缝纫机股份有限公司 | Reverse stitching device |
| CN106637736B (en) * | 2016-12-29 | 2019-06-18 | 杰克缝纫机股份有限公司 | Refund seam device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20111007 |