CN203668667U - Rear dragging wheel device of sewing machine - Google Patents
Rear dragging wheel device of sewing machine Download PDFInfo
- Publication number
- CN203668667U CN203668667U CN201320893039.1U CN201320893039U CN203668667U CN 203668667 U CN203668667 U CN 203668667U CN 201320893039 U CN201320893039 U CN 201320893039U CN 203668667 U CN203668667 U CN 203668667U
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- tugboat
- lever
- dragging wheel
- presser foot
- lifting
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Abstract
The utility model provides a rear dragging wheel device of a sewing machine, and belongs to the technical field of machines. The rear dragging wheel device solves the problems that an existing rear dragging wheel is large in occupied mounting area, complex in mounting and troublesome in synchronization debugging. The rear dragging wheel device of the sewing machine comprises a rear dragging wheel, a power mechanism for driving the rear dragging wheel to go up and down and linkage mechanism used for driving the rear dragging wheel to go up and down along with a presser foot lift component, the rear dragging wheel is provided with a vertical shaft and a rear dragging wheel spanner capable of independently driving the rear dragging wheel to go up and down, a power mechanism is arranged between a main shaft and the vertical shaft, and the linkage mechanism is arranged between the presser foot lift component and the rear dragging wheel and is connected with a knee lifting rod. The rear dragging wheel can be independently lifted through the rear dragging wheel spanner and can go up and down through the knee lifting rod, the presser foot lifting component can be used for controlling the rear dragging wheel to go up and down in a linkage mode, the driving modes are multiple, and good practicability is achieved.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the rear tug device of a kind of Sewing machines, particularly a kind of Sewing machines.
Background technology
Along with the development of science and technology and textile industry, the technology of Sewing machines is also more and more ripe, and kind is also more various, not only comprises domestic sewing machine, also comprise and be applied to industrial industrial sewing machines, such as flat seam machine, chain seam machine, overlock machine and flat seaming machine etc.The rear tugboat of the existing flat seam machine with trailing wheel has outer joining and two kinds of forms of one, nearly all that presser feet and rear tugboat separately lift at present for the rear tugboat of integral type flatcar, two link gears need to be set simultaneously could normally work, structure is more complicated, and after such tugboat install area occupied large, loaded down with trivial details, synchronously trouble of debugging is installed, and lack effective lubricating structure, easily cause the inconvenience of use.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of rear dragging wheel mechanism of Sewing machines, and it is simple in structure, can realize the synchronization lifting of rear tugboat and presser feet.
The purpose of this utility model can realize by following technical proposal: a kind of rear tug device of Sewing machines, described Sewing machines comprises head, main shaft, knee lifting rod and presser foot lifter assembly, it is characterized in that, described rear tug device comprises rear tugboat, for driving the actuating unit of rear tugboat lifting and for driving the link gear of rear tugboat along with the lifting of presser foot lifter assembly, on described rear tugboat, there is the vertical pivot of vertical setting and can independently drive rear dragging to take turns the rear dragging wheel spanner of lifting, described actuating unit is arranged between main shaft and vertical pivot, described link gear is arranged between presser foot lifter assembly and rear tugboat and with knee lifting rod and is connected.
In the technical program, rear tugboat can promote separately by rear dragging wheel spanner, can carry out lifting by knee lifting rod again, can also carry out lifting by tugboat interlock after the manipulation of presser foot lifter assembly, and type of drive is various, has good practicality.
In the rear tug device of above-mentioned Sewing machines, described actuating unit comprises matrix, fuel feed pump, eccentric cam, connecting rod of eccentric wheel, regulate toggle-action lever, eccentric ratio crank regulating shaft and rear dragging wheel crank, described matrix is arranged on the outer wall of head and has and the hollow chamber of head intracavity inter-connection, described fuel feed pump is plugged on matrix and with the hollow chamber of matrix and is connected, described eccentric ratio crank regulating shaft is plugged in matrix and parallels with main shaft, described eccentric cam is sleeved on main shaft, described connecting rod of eccentric wheel one end is connected with eccentric cam, the other end is by regulating toggle-action lever to be connected with eccentric ratio crank regulating shaft, the upper end of described rear dragging wheel crank is connected on eccentric ratio crank regulating shaft, lower end is connected with rear tugboat.In the technical program, main shaft drives eccentric ratio crank regulating shaft to rotate by eccentric cam and connecting rod of eccentric wheel, after eccentric ratio crank regulating shaft drives by rear dragging wheel crank, tugboat is realized oscilaltion, between matrix and the mounting plane of head, form a seal chamber simultaneously, eccentric cam, connecting rod of eccentric wheel, adjusting toggle-action lever and eccentric ratio crank regulating shaft are built in above-mentioned cavity, and can realize self-lubricate by fuel feed pump.
In the rear tug device of above-mentioned Sewing machines, described rear tugboat is connected with rear dragging wheel crank by the swing arm of angle square shape, on described rear dragging wheel crank, be provided with guide groove one, the middle part of described swing arm can be hinged on head, upper end is automatically connected on guide groove one by front crank slide nut, and lower end is connected with rear tugboat.Swing arm swings along with the rotation of eccentric ratio crank regulating shaft, and tugboat oscilaltion after driving.
In the rear tug device of above-mentioned Sewing machines, on described adjusting toggle-action lever, be provided with guide groove two, described adjusting toggle-action lever is automatically connected on guide groove two by lever regulated crank slide nut.Connecting rod of eccentric wheel is along with eccentric cam rotates and moves back and forth, and by regulating toggle-action lever to drive eccentric ratio crank regulating shaft to rotate.
In the rear tug device of above-mentioned Sewing machines, the rear end face of described matrix is connected with head, and front end face offers an installation window, on described installation window, is provided with a cover plate, and described fuel feed pump is plugged on matrix from lower to upper.After cover plate is pulled down, can each assembly in matrix be installed, be safeguarded and overhaul by window is installed, easy to operate.
In the rear tug device of above-mentioned Sewing machines, described link gear comprise rear tugboat promote connecting rod, rear tugboat lift lever, for the front lever of presser foot lifter of knee lifting rod interlock be arranged on vertical pivot and can be along the rear tugboat lift block of the axial oscilaltion of vertical pivot, before described rear tugboat lift lever one end and presser foot lifter, lever is hinged, the upper end that the other end and rear tugboat promote connecting rod is hinged, the lower end that described rear tugboat promotes connecting rod is connected on rear tugboat lift block, is connected with the presser foot lifter riser of energy oscilaltion before described presser foot lifter on lever.
In the rear tug device of above-mentioned Sewing machines, before described presser foot lifter lever comprise cylindric location axial region, for the lever portion that is connected with knee lifting rod and lifting bar portion for being connected with presser foot lifter assembly, described lever portion and lifting bar portion are shaft-like and crossing being positioned on perpendicular, described location axial region horizontally set and be vertically connected on lever portion and the cross-shaped portion of lifting bar portion on, described rear tugboat lift lever be connected to location axial region on.In the technical program, can act in lever portion by knee lifting rod, make the axial rotation of the front lever of presser foot lifter around location axial region, and make rear tugboat carry out lifting; Also can act on lifting bar portion by presser foot lifter assembly, make the axial rotation of the front lever of presser foot lifter around location axial region, and make rear tugboat carry out lifting.
In the rear tug device of above-mentioned Sewing machines, described vertical pivot is plugged on matrix, the bottom of described vertical pivot is connected on rear tugboat, top, top is provided with pressure regulating screw, on described vertical pivot, be arranged with a spring, upper end and the pressure regulating screw of described spring lean, and lower surface is resisted against on rear tugboat lift block.Pressure regulating screw and spring match and can adjust the compress power size of rear tugboat, and spring can also reset to rear tugboat.
In the rear tug device of above-mentioned Sewing machines, described presser foot lifter assembly comprises presser feet, presser feet spanner and lobe plate, and lobe plate is arranged on the below of pressure foot lifting plate.In the time pulling presser feet spanner, lobe plate rotates and can drive pressure foot lifting plate and lifting bar portion to carry out lifting, thereby before making presser foot lifter, lever energy is around the axial rotation of locating axial region.
In the rear tug device of above-mentioned Sewing machines, on described pressure foot lifting plate, have one for hanging the stress surface of presser feet, described stress surface arranges upward.Presser feet hangs on stress surface, in the time that pressure foot lifting plate upwards promotes, can drive presser feet to rising, and presser feet and pressure foot lifting plate is non-fixing mechanism, when presser feet is to rising, can't drive pressure foot lifting plate to move upward.
In the rear tug device of above-mentioned Sewing machines, the sidewall of described location axial region has an output locating surface, and described output locating surface is made as plane, and described rear tugboat lift lever is sleeved on output locating surface.When lever stress before presser foot lifter can drive output locating surface with equal angular rotation in the time locating the axial rotation of axial region, thus tugboat lifting after driving.
Compared with prior art, the utlity model has following advantage: 1, the actuating unit of rear tugboat is built in the matrix inner chamber being connected with head, simple in structure, appearance looks elegant, but also can realize self-lubricate function, reduce maintenance cost; 2, can, by tugboat after rear dragging wheel spanner independent lift, can carry out lifting to rear tugboat by the interlock of knee lifting rod again, can also carry out lifting by tugboat interlock after the manipulation of presser foot lifter assembly, type of drive is various, and practicality is larger.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is engineering explosive view of the present utility model.
Fig. 3 is the structural representation of matrix and cover plate in the utility model.
Fig. 4 is the structural representation of the utility model medium power mechanism
Fig. 5 be in the utility model after the structural representation of tugboat and link gear.
Fig. 6 is the structural representation of link gear in the utility model.
Fig. 7 is the structural representation of the front lever of presser foot lifter in the utility model.
In figure, 1, main shaft; 2, matrix; 2a, installation window; 2b, installing hole one; 2c, installing hole two; 2d, upper through hole; 2e, lower through-hole; 2f, installing hole three; 3, cover plate; 4, fuel feed pump; 5, eccentric ratio crank regulating shaft; 6, rear dragging wheel crank; 6a, guide groove one; 7, swing arm; 8, rear tugboat; 9, eccentric cam; 10, connecting rod of eccentric wheel; 11, regulate toggle-action lever; 11a, guide groove two; 12, lever regulated crank nut; 13, front crank nut; 14, sealing gasket; 15, vertical pivot; 16, spring; 17, pressure regulating screw; 18, rear tugboat lift block; 19, rear dragging wheel spanner; 20, rear dragging promotes axial screw; 21, presser feet spanner; 22, lobe plate; 23, rear tugboat small rod; 24, lever before presser foot lifter; 24a, location axial region; 24a1, output locating surface; 24b, lever portion; 24c, lifting bar portion; 25, rear tugboat lift lever; 26, rear tugboat promotes connecting rod; 26a, guide groove three; 27, pressure foot lifting plate; 27a, guide groove four; 27b, stress surface; 28, hinge screws; 29, stop centering block; 30, stop balance staff; 31, only pendulum is pitched.
Detailed description of the invention
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
See figures.1.and.2, the rear tug device that the present embodiment is a kind of Sewing machines, it has the automatic lubricating structure of sealing one, and can also realize the interlock of rear tugboat and presser feet.Sewing machines in the present embodiment comprises head, main shaft 1, presser foot lifter assembly and rear tug device, after this tug device comprise rear tugboat 8, for driving the actuating unit of rear tugboat 8 liftings and for driving the link gear of rear tugboat 8 along with the lifting of presser foot lifter assembly.On rear tugboat 8, have the vertical pivot 15 of vertical setting and can independently drive rear dragging to take turns the rear dragging wheel spanner 19 of 8 liftings, actuating unit is arranged between main shaft 1 and vertical pivot 15, and link gear is arranged between presser foot lifter assembly and rear tugboat 8 and with knee lifting rod and is connected.Actuating unit in the present embodiment comprises matrix 2, fuel feed pump 4, eccentric cam 9, connecting rod of eccentric wheel 10, regulate toggle-action lever 11, eccentric ratio crank regulating shaft 5 and rear dragging wheel crank 6, matrix 2 is fixedly installed on the outer wall of head and has and the hollow chamber of head intracavity inter-connection, fuel feed pump 4 is connected by lower being plugged on the net on matrix 2 and with the hollow chamber of matrix 2, eccentric ratio crank regulating shaft 5 is laterally plugged in matrix 2 and parallels with main shaft 1, eccentric cam 9 is sleeved on main shaft 1, connecting rod of eccentric wheel 10 one end are connected with eccentric cam 9, the other end is by regulating toggle-action lever 11 to be connected with eccentric ratio crank regulating shaft 5, the upper end of rear dragging wheel crank 6 is connected on eccentric ratio crank regulating shaft 5, lower end is connected with rear tugboat 8, rear tugboat 8 is connected with rear dragging wheel crank 6 by angle square shape swing arm 7.
In the present embodiment, main shaft 1 drives eccentric ratio crank regulating shaft 5 to rotate by eccentric cam 9 and connecting rod of eccentric wheel 10, and after eccentric ratio crank regulating shaft 5 drives by rear dragging wheel crank 6, tugboat 8 is realized oscilaltion.Between matrix 2 and the mounting plane of head, form a seal chamber, eccentric cam 9, connecting rod of eccentric wheel 10, adjusting toggle-action lever 11 and eccentric ratio crank regulating shaft 6 are built in above-mentioned cavity, and can realize self-lubricate by fuel feed pump 4 simultaneously.
See figures.1.and.2, matrix 2 belows be provided with one only centering block 29, only centering block 29 belows are provided with only balance staff 30, have one and pitch 31 with the only pendulum that only balance staff 30 matches on rear tugboat 8, said structure can ensure that rear tugboat 8 does not swing in lifting process.
With reference to Fig. 3, the rear end face of matrix 2 is for being fixedly connected with head, and the front end face of matrix 2 offers an installation window 2a, installs on window 2a and is provided with a cover plate 3.In the hollow chamber of matrix 2, two ends have installing hole one 2b and installing hole two 2c for laterally plugging eccentric ratio crank regulating shaft 5.On matrix 2, be also provided with upper through hole 2d and lower through-hole 2e for vertically plugging vertical pivot 15, and for installing hole three 2f of rear dragging wheel spanner 19 are installed.
With reference to Fig. 4, on rear dragging wheel crank 6, be provided with guide groove one 6a, it is upper that swing arm 7 upper ends are slidably connected at guide groove one 6a by front crank nut 13, and lower end is connected with rear tugboat 8.Regulate on toggle-action lever 11 and be provided with guide groove two 11a, connecting rod of eccentric wheel 10 is slidably connected on guide groove two 11a by lever regulated crank nut 12.
With reference to Fig. 1, Fig. 3 and Fig. 5, vertical pivot 15 is plugged on matrix 2 by lower through-hole 2e, on it, be arranged with a spring 16 that can reset to rear tugboat 8, the bottom of vertical pivot 15 is connected on rear tugboat 8, top, top is provided with pressure regulating screw 17, spring 16 is between upper through hole 2d and lower through-hole 2e, and the lower surface of the upper end of spring 16 and pressure regulating screw 17 leans, and the upper end of the lower surface of spring 16 and rear tugboat lift block 18 leans.It is upper that pressure regulating screw 17 is screwed in through hole 2d, and it can be adjusted the compress power of rear tugboat 8 by the pretightning force of spring 16, and spring 16, except adjusting compress power, can also play reset response to the rear tugboat 8 after promoting.
With reference to Fig. 5 and Fig. 6, rear tugboat promotes guide groove three 26a on connecting rod 26 with vertical setting, is provided with the hinge screws 28 that can slide on guide groove three 26a on rear tugboat lift block 18.In the time using after rear dragging wheel spanner 19 independent lift tugboat 8, rear tugboat lift block 18 drives hinge screws 28 to slide in rear tugboat promotes guide groove three 26a of connecting rod 26, can not promote connecting rod 26 to rear tugboat and cause interlock.
With reference to Fig. 5 and Fig. 6, link gear comprise rear tugboat promote connecting rod 26, rear tugboat lift lever 25, for the front lever 24 of presser foot lifter that links with knee lifting rod 1 be fixedly installed on the rear tugboat lift block 18 on vertical pivot 15, before rear tugboat lift lever 25 one end and presser foot lifter, lever 24 is hinged, the upper end that the other end and rear tugboat promote connecting rod 26 is hinged, the lower end that rear tugboat promotes connecting rod 26 is connected on rear tugboat lift block 18, is connected with the presser foot lifter riser 27 of energy oscilaltion before presser foot lifter on lever 24.
With reference to Fig. 5 and Fig. 6, presser foot lifter assembly in the present embodiment comprises presser feet, presser feet spanner 21 and lobe plate 22, lobe plate 22 is arranged on the below of pressure foot lifting plate 27, in the time rotating presser feet spanner 21, can drive lobe plate 22 to rotate, thereby drives 27 oscilaltions of pressure foot lifting plate.On pressure foot lifting plate 27, have one upward arrange and for hanging the stress surface 27b of presser feet, stress surface 27b is made as plane, and presser feet and the non-fixing mechanism of pressure foot lifting plate 27, in the time of pressure foot lifting, can not drive pressure foot lifting plate 27 to rise, and pressure foot lifting plate 27 can drive pressure foot lifting while rising.On pressure foot lifting plate 27, have guide groove four 27a of vertical setting, pressure foot lifting plate 27 can be connected on matrix 2 by this guide groove four 27a, and this guide groove four 27a can carry out pressure foot lifting plate 27 spacing, ensures that pressure foot lifting plate 27 swings moving up and down Shi Buhui.
In the present embodiment, lobe plate 22 and pressure foot lifting plate 27 are non-fixing mechanism, only, in the time rear tugboat 8 being fallen by rear dragging wheel spanner 19, the lower surface of pressure foot lifting plate 27 just can lean with lobe plate 22, now could drive rear tugboat 8 and presser feet one lifting by rotating presser feet spanner 21.
With reference to Fig. 7, before presser foot lifter, lever 24 comprises cylindric location axial region 24a, for the lever portion 24b that is connected with knee lifting rod and the lifting bar 24c of portion for being connected with presser foot lifter assembly, lever portion 24b and the lifting bar 24c of portion are shaft-like and crossing being positioned on perpendicular, location axial region 24a horizontally set and be vertically connected on lever portion 24b and the cross-shaped portion of the lifting bar 24c of portion on, in the present embodiment, location axial region 24a, lever portion 24b and the lifting bar 24c three of portion intersect vertically between two in same point, the sidewall of location axial region 24a has an output locating surface 24a1 who is made as plane, rear tugboat lifting lever 25 is sleeved on this output locating surface 24a1, and can rotate and link along with location axial region 24a.
In the present embodiment, before presser foot lifter, lever 24 plays the effect of interlock maincenter, thereby can drive its rotation to make rear tugboat 8 carry out lifting by knee lifting rod, again can be by matching and realize the associating lifting of rear tugboat 8 and presser feet with presser foot lifter assembly.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used main shaft 1, matrix 2 herein, window 2a, installing hole one 2b, installing hole two 2c, upper through hole 2d, lower through-hole 2e, installing hole three 2f, cover plate 3, fuel feed pump 4, eccentric ratio crank regulating shaft 5, rear dragging wheel crank 6, guide groove one 6a be installed, swing arm 7, rear tugboat 8, eccentric cam 9, connecting rod of eccentric wheel 10, regulate toggle-action lever 11, guide groove two 11a, lever regulated crank nut 12, front crank nut 13, sealing gasket 14, vertical pivot 15, spring 16, pressure regulating screw 17, rear tugboat lift block 18, rear dragging wheel spanner 19, rear dragging promotes axial screw 20, presser feet spanner 21, lobe plate 22, rear tugboat small rod 23, lever 24 before presser foot lifter, location axial region 24a, output locating surface 24a1, lever portion 24b, the lifting bar 24c of portion, rear tugboat lift lever 25, rear tugboat promotes connecting rod 26, guide groove three 26a, pressure foot lifting plate 27, guide groove four 27a, stress surface 27b, hinge screws 28, only centering block 29, only balance staff 30, only pendulum fork 31 terms such as grade, but do not get rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (10)
1. the rear tug device of a Sewing machines, described Sewing machines comprises head, main shaft (1), knee lifting rod and presser foot lifter assembly, it is characterized in that, described rear tug device comprises rear tugboat (8), be used for driving the actuating unit of rear tugboat (8) lifting and for driving the link gear of rear tugboat (8) along with the lifting of presser foot lifter assembly, on described rear tugboat (8), there is the vertical pivot (15) of vertical setting and can independently drive rear dragging to take turns the rear dragging wheel spanner (19) of (8) lifting, described actuating unit is arranged between main shaft (1) and vertical pivot (15), described link gear is arranged between presser foot lifter assembly and rear tugboat (8) and with knee lifting rod and is connected.
2. the rear tug device of Sewing machines according to claim 1, it is characterized in that, described actuating unit comprises matrix (2), fuel feed pump (4), eccentric cam (9), connecting rod of eccentric wheel (10), regulate toggle-action lever (11), eccentric ratio crank regulating shaft (5) and rear dragging wheel crank (6), described matrix (2) is arranged on the outer wall of head and has and the hollow chamber of head intracavity inter-connection, described fuel feed pump (4) is plugged in matrix (2) above and is connected with the hollow chamber of matrix (2), described eccentric ratio crank regulating shaft (5) is plugged in matrix (2) and parallels with main shaft (1), described eccentric cam (9) is sleeved on main shaft (1), described connecting rod of eccentric wheel (10) one end is connected with eccentric cam (9), the other end is by regulating toggle-action lever (11) to be connected with eccentric ratio crank regulating shaft (5), the upper end of described rear dragging wheel crank (6) is connected on eccentric ratio crank regulating shaft (5), lower end is connected with rear tugboat (8).
3. the rear tug device of Sewing machines according to claim 2, it is characterized in that, described rear tugboat (8) is connected with rear dragging wheel crank (6) by angle square shape swing arm (7), on described rear dragging wheel crank (6), be provided with guide groove one (6a), the middle part of described swing arm (7) can be hinged on head, it is upper that upper end is slidably connected at guide groove one (6a) by front crank nut (13), and lower end is connected with rear tugboat (8).
4. the rear tug device of Sewing machines according to claim 2, it is characterized in that, on described adjusting toggle-action lever (11), be provided with guide groove two (11a), described connecting rod of eccentric wheel (10) is slidably connected on guide groove two (11a) by lever regulated crank nut (12).
5. the rear tug device of Sewing machines according to claim 2, it is characterized in that, the rear end face of described matrix (2) is connected with head, front end face offers an installation window (2a), on described installation window (2a), be provided with a cover plate (3), described fuel feed pump (4) is plugged on matrix (2) from lower to upper.
6. the rear tug device of Sewing machines according to claim 1, it is characterized in that, described link gear comprises that rear tugboat promotes connecting rod (26), rear tugboat lift lever (25), being used for the front lever of presser foot lifter (24) linking with knee lifting rod and being arranged on vertical pivot (15) above also can be along the axially rear tugboat lift block (18) of oscilaltion of vertical pivot (15), before described rear tugboat lift lever (25) one end and presser foot lifter, lever (24) is hinged, the upper end that the other end and rear tugboat promote connecting rod (26) is hinged, the lower end that described rear tugboat promotes connecting rod (26) is connected on rear tugboat lift block (18), before described presser foot lifter, on lever (24), be connected with the presser foot lifter riser (27) of energy oscilaltion.
7. the rear tug device of Sewing machines according to claim 6, it is characterized in that, before described presser foot lifter, lever (24) comprises cylindric location axial region (24a), for carrying lever portion (24b) that presser foot lifter pull bar is connected and lifting bar portion (24c) for being connected with presser foot lifter assembly with knee, described lever portion (24b) and lifting bar portion (24c) are shaft-like and crossing being positioned on perpendicular, described location axial region (24a) horizontally set and be vertically connected on lever portion (24b) and the cross-shaped portion of lifting bar portion (24c) on, described rear tugboat lifting lever (25) is connected on location axial region (24a).
8. the rear tug device of Sewing machines according to claim 6, it is characterized in that, described vertical pivot (15) is plugged on matrix (2), the bottom of described vertical pivot (15) is connected on rear tugboat (8), top, top is provided with pressure regulating screw (17), on described vertical pivot (15), be arranged with a spring (16), the upper end of described spring (16) and pressure regulating screw (17) lean, and lower surface is resisted against on rear tugboat lift block (18).
9. the rear tug device of Sewing machines according to claim 6, is characterized in that, described presser foot lifter assembly comprises presser feet, presser feet spanner (21) and lobe plate (22), and lobe plate (22) is arranged on the below of pressure foot lifting plate (27).
10. the rear tug device of Sewing machines according to claim 9, is characterized in that, has one for hanging the stress surface (27b) of presser feet on described pressure foot lifting plate (27), and described stress surface (27b) arranges upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893039.1U CN203668667U (en) | 2013-12-31 | 2013-12-31 | Rear dragging wheel device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320893039.1U CN203668667U (en) | 2013-12-31 | 2013-12-31 | Rear dragging wheel device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203668667U true CN203668667U (en) | 2014-06-25 |
Family
ID=50964983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320893039.1U Withdrawn - After Issue CN203668667U (en) | 2013-12-31 | 2013-12-31 | Rear dragging wheel device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203668667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668811A (en) * | 2013-12-31 | 2014-03-26 | 浙江宝石机电股份有限公司 | Rear towing wheel device for sewing machine |
-
2013
- 2013-12-31 CN CN201320893039.1U patent/CN203668667U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103668811A (en) * | 2013-12-31 | 2014-03-26 | 浙江宝石机电股份有限公司 | Rear towing wheel device for sewing machine |
| CN103668811B (en) * | 2013-12-31 | 2016-05-04 | 浙江上工宝石缝纫科技有限公司 | A kind of rear tug device of sewing machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151202 Address after: Taizhou City, Zhejiang province 318000 Jiaojiang Xiachen street, Airport Road No. 1 Patentee after: ZHEJIANG GEMSY MECHANICAL & ELECTRICAL CO., LTD Address before: 318000, No. 638, East Ring Road, Taizhou Economic Development Zone, Jiaojiang District, Zhejiang, Taizhou Patentee before: Zhejiang Gemsy Mechanical and Electrical Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20160504 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |