CN206319131U - A kind of synchronization up and down of sewing machine and differential feed mechanism - Google Patents
A kind of synchronization up and down of sewing machine and differential feed mechanism Download PDFInfo
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- CN206319131U CN206319131U CN201621137384.2U CN201621137384U CN206319131U CN 206319131 U CN206319131 U CN 206319131U CN 201621137384 U CN201621137384 U CN 201621137384U CN 206319131 U CN206319131 U CN 206319131U
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- sewing machine
- feed spool
- synchronization
- feed mechanism
- adjustment axis
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Abstract
The utility model provides synchronization up and down and the differential feed mechanism of a kind of sewing machine, belongs to sewing machine technique field.It solves the problem of existing sewing machine can only realize the synchronous adjustment up and down of needle gage.This sewing machine includes upper axle, upper feed spool and lower feed spool, upper axle is connected by toggle with lower feed spool, synchronization and differential feed mechanism include swinging panel seat up and down, panel seat is swung with toggle to be connected, the inner of lower adjustment axis is fixedly connected with swinging panel seat, stitch length knob can drive adjustment axis to rotate, needle gage regulation tooth difference top is connected in adjustment axis, bottom axially position has sliding part, the two ends of kinematic link are connected with transmission axle and lower feed spool respectively, connection strap is fixed with transmission axle, sliding part is partly embedded in the deep-slotted chip breaker of connection strap side, one end of upper feeding connecting rod is fixedly connected with sliding part, the other end is connected with upper feed spool.This sewing machine can realize the synchronous adjustment up and down of needle gage, and the differential regulation up and down of needle gage can be realized again.
Description
Technical field
The utility model belongs to sewing machine technique field, is related to synchronization up and down and the differential feed mechanism of a kind of sewing machine.
Background technology
Sewing machine is during use, it is sometimes desirable to the needle gage up and down of sewing machine is adjusted, to meet sewing machine
Sewing requirement.
The needle gage regulation of existing sewing machine, such as thin upper and lower synchronization of material flat seam machine disclosed in Chinese patent literature data
Feed mechanism and its feeding method, [application number：201310714257.9；Authorization Notice No.：CN103741380B], it includes
Axle, upper feed spool, lower feed spool and stitch length knob, between stitch length knob, upper feed spool and lower feed spool by needle gage adjuster,
The connecting rod of falling feeding, lower feeding swing panel seat, feeding crank, long oscillating deck, synchronising (connecting) rod cam pin, short oscillating deck, synchronising (connecting) rod,
Upper feeding to swing and be connected with lower feeding on the connection of the parts such as panel seat, interior oscillating deck, outer oscillating deck and upper feeding rear crank, main shaft
Connecting rod, lower feeding connecting rod is connected by long oscillating deck, short oscillating deck and feeding crank with lower feed spool, long oscillating deck, short swing
Plate is located at lower feeding and swung in panel seat, and short oscillating deck swings panel seat with lower feeding and is hinged.
Feeding crank, long oscillating deck, short oscillating deck and lower feeding connecting rod constitute a toggle, metering needle away from
When, stitch length knob is rotated, lower feeding is swung panel seat and is rotated around bearing pin, the angle of the lower feeding oscillating deck of regulation, so as to change
The position of long oscillating deck, short oscillating deck, changes the rotational angle of lower feed spool, so as to change the needle gage of lower feeding tooth, is changing
Change the angle of upper feeding oscillating deck while the needle gage of lower feeding tooth by synchronising (connecting) rod and synchronising (connecting) rod cam pin, so that logical
The rotational angle that interior oscillating deck, outer oscillating deck and upper feeding rear crank change upper feed spool is crossed, so as to change the pin of upper feeding tooth
Away from, and the change of upper feeding tooth and the needle gage of lower feeding tooth is consistent；But the feed mechanism of this kind of structure can only be realized
The synchronous adjustment up and down of sewing needle distance, can not but realize the differential regulation up and down of sewing needle distance, have some limitations.
The content of the invention
The purpose of this utility model is to be directed to the above-mentioned problems in the prior art, it is proposed that above and below a kind of sewing machine
Synchronization and differential feed mechanism, the technical problem of solution are sewing machine is realized the synchronous adjustment up and down of needle gage,
The differential regulation up and down of needle gage can be realized.
The purpose of this utility model can be realized by following technical proposal：A kind of the synchronous up and down and differential of sewing machine is sent
Expect mechanism, sewing machine includes upper axle, upper feed spool and lower feed spool, and the upper axle passes through toggle and lower feed spool phase
Even, it is characterised in that the synchronization up and down and differential feed mechanism include swinging panel seat, lower adjustment axis, stitch length knob, upper regulation
Axle, poor needle gage regulation tooth, transmission axle, kinematic link and upper feeding connecting rod, the swing panel seat are axially positioned at lower feed spool,
The swing panel seat is connected with toggle, and the inner of the lower adjustment axis is fixedly connected with swinging panel seat, the needle gage rotation
Button is connected with upper adjustment axis and stitch length knob can drive upper adjustment axis to rotate, and the needle gage regulation tooth difference is connected in adjustment axis
On, the bottom axially position of the needle gage regulation tooth difference has sliding part, and the transmission axle is axially positioned on feed spool and sent with
Expect between axle, the two ends of the kinematic link are connected with transmission axle and lower feed spool respectively, and connection is fixed with the transmission axle
Bar, the side of the connection strap has deep-slotted chip breaker, and the sliding part is partly embedded in deep-slotted chip breaker, and the one of the upper feeding connecting rod
End is fixedly connected with sliding part, and the other end is connected with upper feed spool.
When being adjusted in synchronism above and below the progress of this sewing machine, by the lower adjustment axis of rotation, swing panel seat is rotated, changes oscillating deck
The angle of seat, swings the rotation amplitude that panel seat changes lower feed spool by toggle, lower feeding is connected to so as to change
The stroke of lower feeding tooth on axle, changes lower needle gage, and the rotation of lower feed spool passes to transmission axle by kinematic link, makes transmission
Axle is rotated, and the rotation of transmission axle drives connection strap to swing, and the swing of connection strap can drive sliding part to rotate, so that upper feeding connects
Bar is swung, and finally rotates feed spool, so as to change pin in the stroke for the upper feeding tooth being connected on feed spool, change
Away from the angle that upper feed spool is rotated is synchronous with the angle that lower feed spool is rotated and is consistent change, realizes feed mechanism
The synchronous adjustment up and down of needle gage.Above and below the progress of this sewing machine during differential regulation, turned by rotating adjustment axis in stitch length knob, drive
It is dynamic, swung so as to drive needle gage to adjust tooth difference, the swing of needle gage regulation tooth difference drives sliding part to be slided while arcuately groove is moved
Moving part own rotation, so that upper feeding connecting rod swing, finally rotates feed spool, be connected to so as to change on feed spool
Upper feeding tooth stroke, needle gage in change, and now, lower feed spool will not be rotated, that is, descend the position of needle gage constant, realization is given
Expect the differential regulation up and down of mechanism needle gage.This sewing machine can carry out being adjusted in synchronism and carrying out above and below needle gage up and down for needle gage
Differential regulation, makes this sewing function be sewed for different products, applied widely.
In a kind of synchronization up and down of above-mentioned sewing machine and differential feed mechanism, the sliding part includes sliding block, bearing pin
And guide pad, the guide pad, which is fixed in the bottom of needle gage regulation tooth difference, the guide pad, has pilot hole, the bearing pin
One end is fixedly connected with sliding block, and the other end is located in pilot hole, and the bearing pin coordinates with being oriented to block gap, above and below the sliding block
Two lateral walls are curved, and the sliding block is embedded in deep-slotted chip breaker, and the sliding block coordinates with being connected interspace.Up and down the two of sliding block
The cell wall of lateral wall and deep-slotted chip breaker matches, and makes sliding block and connection strap smooth in relative movement, will not block, one end of bearing pin
It is fixedly connected with sliding block, the other end coordinates with being oriented to block gap, i.e. sliding block and connection strap is when relatively moving, and bearing pin can revolve
Turn, it is reasonable in design.
In a kind of synchronization up and down of above-mentioned sewing machine and differential feed mechanism, the two ends of the kinematic link pass through song
Handle is connected with transmission axle and lower feed spool respectively.The change of lower feed spool rotational angle is set preferably to pass by the setting of crank
Pass transmission axle.
In a kind of synchronization up and down of above-mentioned sewing machine and differential feed mechanism, the connection strap is in herringbone, described
One side of connection strap is fixedly connected with transmission axle, and the side of another side has the deep-slotted chip breaker.Connection strap is in herringbone, makes to be opened in
The groove of connection strap another side side is deep-slotted chip breaker naturally, and reasonable utilization space saves material.
In a kind of synchronization up and down of above-mentioned sewing machine and differential feed mechanism, in two cell walls of the deep-slotted chip breaker
With oil holding slot, the oil holding slot is located at the bottom of two cell walls of deep-slotted chip breaker.The setting of oil holding slot can hold lubricating oil, and increase is slided
The oil mass of lubricating oil between block and connection strap, makes sliding block and connection strap remain that movement is smooth during relative movement,
It will not block, be not in failure.
In a kind of synchronization up and down of above-mentioned sewing machine and differential feed mechanism, have on the lateral wall of the deep-slotted chip breaker
Reinforcement.The intensity of the setting enhancing connection strap of reinforcement, connection strap and sliding block is not deformed during relative movement,
Fracture etc., improves service life.
In a kind of synchronization up and down of above-mentioned sewing machine and differential feed mechanism, the kinematic link and lower feed spool phase
One end even is curved.Reasonable utilization space, makes connecting rod the problem of will not be touched during swing, lower feed spool
Rotation can more accurately pass to transmission axle.
In a kind of synchronization up and down of above-mentioned sewing machine and differential feed mechanism, swing is fixed with the upper feed spool
Pin is fixed with connecting rod, the swing connecting bar, the pin be arranged in parallel with upper feed spool, one end of the upper feeding connecting rod
It is fixedly connected with bearing pin, the other end is set in outside pin, the upper feeding connecting rod coordinates with pin-hole clearance.Pin and swing connecting bar
Setting enables feeding connecting rod to be connected with upper feed spool, pin be arranged in parallel with upper feed spool, and upper feeding connecting rod is swung by
Pin can more accurately pass to feed spool, improve transmission accuracy.
In a kind of synchronization up and down of above-mentioned sewing machine and differential feed mechanism, the needle gage regulation tooth difference is fixed on
Adjustment axis is close to one end of upper feed spool, and the swing connecting bar is fixed on feed spool close to one end of upper adjustment axis.This kind is tied
Structure, makes connection strap, sliding part, upper feeding connecting rod and the poor compact conformation of needle gage regulation tooth, and reasonable utilization space improves transmission efficiency
And transmitting accuracy.
In a kind of synchronization up and down of above-mentioned sewing machine and differential feed mechanism, the upper adjustment axis and upper feed spool are same
Axle is set.Rationally using the space inside sewing machine case, make the parts connection and reasonable arrangement of casing internal.
Compared with prior art, the utility model provide sewing machine synchronization up and down and differential feed mechanism in, have
Advantages below：
1st, this sewing machine passes through toggle, kinematic link, transmission axle, connection strap, cunning by the lower adjustment axis of rotation
Moving part, upper feeding connecting rod, pin and swing connecting bar realize the synchronous adjustment of upper feed spool and lower feed spool rotational angle, realize pin
Away from synchronous adjustment up and down；By rotating stitch length knob, poor tooth, sliding part, upper feeding company are adjusted by upper adjustment axis, needle gage
Bar, pin and swing connecting bar realize the adjustment of upper feed spool rotational angle, and the rotational angle of lower feed spool is constant, so as to realize
The differential regulation up and down of needle gage；This sewing machine can carry out the tune differential up and down for being adjusted in synchronism up and down and carrying out needle gage of needle gage
Section, improves the applicability of this sewing machine.
2nd, the connection strap of the synchronization up and down of this sewing machine and differential feed mechanism is in herringbone, passes through sliding block and connection strap
Relatively move to realize the adjustment of upper feed spool rotational angle, so that change upper needle gage, it is simple in construction, it is reasonable in design.
Brief description of the drawings
Fig. 1 is the overall structure diagram one of this sewing machine synchronization and differential feed mechanism up and down.
Fig. 2 is the overall structure diagram two of this sewing machine synchronization and differential feed mechanism up and down.
Fig. 3 is the partial structural diagram of this sewing machine synchronization and differential feed mechanism up and down.
Fig. 4 is the structural representation of this sewing machine synchronization and differential feed mechanism slips part up and down.
In figure, 1, upper axle；2nd, upper feed spool；3rd, lower feed spool；4th, toggle；41st, feeding crank；42nd, long pendulum
Dynamic plate；43rd, short oscillating deck；44th, lower feeding connecting rod；5th, panel seat is swung；6th, lower adjustment axis；7th, stitch length knob；8th, upper adjustment axis；9、
Needle gage regulation tooth is poor；10th, transmission axle；11st, kinematic link；12nd, upper feeding connecting rod；13rd, sliding part；131st, sliding block；132nd, bearing pin；
133rd, guide pad；134th, pilot hole；14th, crank；15th, connection strap；16th, deep-slotted chip breaker；17th, oil holding slot；18th, reinforcement；19th, swing
Connecting rod；20th, pin；21st, adjusting rod；22nd, adjusting nut block；23rd, axial screw；24th, knob tooth is poor.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1 and Figure 2, sewing machine includes upper axle 1, upper feed spool 2, lower feed spool 3, casing and base plate, the upper He of axle 1
Upper feed spool 2 is located in casing, and lower feed spool 3 is located in base plate, and upper axle 1 passes through toggle 4 and the lower phase of feed spool 3
Even.
Synchronization and differential feed mechanism include swinging panel seat 5, lower adjustment axis 6, stitch length knob 7, upper adjustment axis 8, pin up and down
Away from regulation tooth poor 9, transmission axle 10, kinematic link 11, upper feeding connecting rod 12, sliding part 13, connection strap 15 and swing connecting bar 19.
Swing the axially position of panel seat 5 in the soleplate, and swing panel seat 5 and be located at lower feed spool 3, the inner of lower adjustment axis 6
It is fixedly connected with swinging panel seat 5, outer end is stretched out outside base plate, toggle 4 is prior art, including feeding crank 41, long pendulum
Dynamic plate 42, short oscillating deck 43 and lower feeding connecting rod 44, long oscillating deck 42 and short oscillating deck 43 are respectively positioned in swing panel seat 5, under give
The top of material connecting rod 44 is connected with upper axle 1, and bottom and one end of long oscillating deck 42 are hinged, and the other end of long oscillating deck 42 is with sending
Material crank 41 is hinged, and feeding crank 41 is fixedly connected with lower feed spool 3, and short oscillating deck 43 is located at the outside of long oscillating deck 42, short
One end of oscillating deck 43 is hinged with swinging panel seat 5, and one end of the other end and long oscillating deck 42 is hinged.
Stitch length knob 7 is located on casing, and stitch length knob 7 passes through adjusting rod 21, adjusting nut block 22, axial screw 23 and rotation
Button tooth poor 24 is connected with upper adjustment axis 8, and stitch length knob 7 can drive adjustment axis 8 to rotate, and knob tooth poor 24 and needle gage regulation tooth are poor
9 are connected in the two ends of adjustment axis 8, and needle gage adjusts tooth poor 9 close to upper feed spool 2, upper adjustment axis 8 with upper feed spool 2 is coaxial sets
Put.
Connection strap 15 is fixed with transmission axle 10, connection strap 15 is in herringbone, one side and the phase of transmission axle 10 of connection strap 15
It is connected, the side of another side, which has in deep-slotted chip breaker 16, two cell walls of deep-slotted chip breaker 16, is respectively provided with oil holding slot 17, and oil holding slot 17 is located at
There is reinforcement 18 on the bottom of 16 two cell walls of deep-slotted chip breaker, the lateral wall of deep-slotted chip breaker 16.
Transmission axle 10 is axially positioned between feed spool 2 and lower feed spool 3, and the two ends of kinematic link 11 pass through song respectively
Handle 14 is connected with transmission axle 10 and lower feed spool 3, and one end that kinematic link 11 is connected with lower feed spool 3 is curved.
The bottom axially position of needle gage regulation tooth poor 9 has sliding part 13, and as shown in Figure 3, Figure 4, sliding part 13 includes sliding block
131st, bearing pin 132 and guide pad 133, guide pad 133 are fixed on to have in the bottom that needle gage adjusts tooth poor 9, guide pad 133 and are oriented to
Hole 134, one end and the sliding block 131 of bearing pin 132 are fixedly connected with, and the other end is located in pilot hole 134, bearing pin 132 and guide pad 133
Gap coordinates, and two lateral walls up and down of sliding block 131 are curved, and sliding block 131 is embedded in deep-slotted chip breaker 16, and sliding block 131 is with being connected
The gap of bar 15 coordinates.
Swing connecting bar 19 is fixed with upper feed spool 2, swing connecting bar 19 is fixed on feed spool 2 close to upper adjustment axis 8
Pin 20 is fixed with one end, swing connecting bar 19, pin 20 be arranged in parallel with upper feed spool 2, one end of upper feeding connecting rod 12 with
Bearing pin 132 is fixedly connected with, and the other end is set in outside pin 20, and upper feeding connecting rod 12 coordinates with the gap of pin 20.
When being adjusted in synchronism above and below the progress of this sewing machine, the lower adjustment axis 6 of rotation makes swing panel seat 5 be positioned after rotating, change pendulum
The angle of dynamic panel seat 5, so as to change the position of long oscillating deck 42 and short oscillating deck 43, the rotation of upper axle 1 passes through crank connecting link machine
Structure 4 drives lower feed spool 3 to rotate, and the rotational angle of lower feed spool 3 is as the position for swinging panel seat 5 changes and changes, so as to change
Become the stroke for the lower feeding tooth being connected on lower feed spool 3, change lower needle gage, because transmission axle 10 is connected by crank 14 and transmission
Bar 11 is connected with lower feed spool 3, and the change of the lower rotational angle of feed spool 3 can change the rotational angle of transmission axle 10, so as to change
Become the amplitude of fluctuation for the connection strap 15 being fixed in transmission axle 10, the change of the amplitude of fluctuation of connection strap 15 makes sliding block 131 and bearing pin
132 rotational angle changes, so as to make turning for upper feed spool 2 by upper feeding connecting rod 12, pin 20 and swing connecting bar 19
Dynamic angle changes, and changes needle gage in the stroke for the upper feeding tooth being connected on feed spool 2, change, and 2 turns of upper feed spool
The change of dynamic angle is synchronous change with the lower rotational angle of feed spool 3, and the angle of change is consistent, so as to realize feed mechanism
The synchronous adjustment up and down of needle gage.
Above and below the progress of this sewing machine during differential regulation, by rotating stitch length knob 7, pass through adjusting rod 21, adjusting nut block
22nd, axial screw 23 and knob tooth poor 24 drive upper adjustment axis 8 to rotate, be fixed on needle gage regulation tooth poor 9 in adjustment axis 8 with
Adjustment axis 8 to rotate and rotate, so as to change the position of sliding part 13, now, sliding block 131 is moved and sold along deep-slotted chip breaker 16
Axle 132 is rotated, and bearing pin 132 rotarily drives feeding connecting rod 12 and rotated, and upper feed spool 2 is changed by swing connecting bar 19 and pin 20
Rotational angle, so as to change needle gage in the stroke for the upper feeding tooth being connected on feed spool 2, change, due to passing through rotation
During stitch length knob 7, the rotational angle of lower feed spool 3 is constant, that is, it is constant to descend needle gage, so as to realize feed mechanism needle gage
Differential regulation up and down.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used upper axle 1, upper feed spool 2, lower feed spool 3, toggle 4, feeding crank herein
41st, long oscillating deck 42, short oscillating deck 43, lower feeding connecting rod 44, swing panel seat 5, lower adjustment axis 6, stitch length knob 7, upper adjustment axis
8th, needle gage regulation tooth poor 9, transmission axle 10, kinematic link 11, upper feeding connecting rod 12, sliding part 13, sliding block 131, bearing pin 132, lead
To block 133, pilot hole 134, crank 14, connection strap 15, deep-slotted chip breaker 16, oil holding slot 17, reinforcement 18, swing connecting bar 19, pin
20th, the term such as adjusting rod 21, adjusting nut block 22, axial screw 23, knob tooth poor 24, but be not precluded from using other terms
Possibility.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；It is construed as
The additional limitation of any one is all disagreed with the utility model spirit.
Claims (10)
1. synchronization up and down and the differential feed mechanism of a kind of sewing machine, sewing machine include upper axle (1), upper feed spool (2) and under give
Expect axle (3), the upper axle (1) is connected by toggle (4) with lower feed spool (3), it is characterised in that on described similarly hereinafter
Step and differential feed mechanism include swinging panel seat (5), lower adjustment axis (6), stitch length knob (7), upper adjustment axis (8), needle gage regulation
Tooth poor (9), transmission axle (10), kinematic link (11) and upper feeding connecting rod (12), the swing panel seat (5), which is axially positioned on down, to be sent
Expect axle (3) place, the swing panel seat (5) is connected with toggle (4), the inner of the lower adjustment axis (6) and oscillating deck
Seat (5) is fixedly connected with, and the stitch length knob (7) is connected with upper adjustment axis (8) and stitch length knob (7) can drive adjustment axis (8) to revolve
Turn, the needle gage regulation tooth poor (9) is connected in adjustment axis (8), the bottom axially position of the needle gage regulation tooth poor (9) has
Sliding part (13), the transmission axle (10) is axially positioned between feed spool (2) and lower feed spool (3), the kinematic link
(11) two ends are connected with transmission axle (10) and lower feed spool (3) respectively, and connection strap (15) is fixed with the transmission axle (10),
The side of the connection strap (15) has deep-slotted chip breaker (16), and the sliding part (13) is partly embedded in deep-slotted chip breaker (16), described
One end of upper feeding connecting rod (12) is fixedly connected with sliding part (13), and the other end is connected with upper feed spool (2).
2. synchronization up and down and the differential feed mechanism of a kind of sewing machine according to claim 1, it is characterised in that the cunning
Moving part (13) includes sliding block (131), bearing pin (132) and guide pad (133), and the guide pad (133) is fixed on needle gage regulation tooth
There is pilot hole (134), one end and sliding block (131) phase of the bearing pin (132) in the bottom of poor (9), the guide pad (133)
It is connected, the other end is located in pilot hole (134), the bearing pin (132) coordinates with guide pad (133) gap, the sliding block
(131) two lateral walls up and down are curved, and the sliding block (131) is embedded in deep-slotted chip breaker (16), and the sliding block (131) is with connecting
Narrow bars (15) gap coordinates.
3. synchronization up and down and the differential feed mechanism of a kind of sewing machine according to claim 1, it is characterised in that the biography
The two ends of dynamic connecting rod (11) are connected with transmission axle (10) and lower feed spool (3) respectively by crank (14).
4. synchronization up and down and the differential feed mechanism of a kind of sewing machine according to claim 1 or 2 or 3, it is characterised in that
The connection strap (15) is in herringbone, and one side and the transmission axle (10) of the connection strap (15) are fixedly connected with, the side tool of another side
There is the deep-slotted chip breaker (16).
5. synchronization up and down and the differential feed mechanism of a kind of sewing machine according to claim 1 or 2 or 3, it is characterised in that
Oil holding slot (17) is respectively provided with two cell walls of the deep-slotted chip breaker (16), the oil holding slot (17) is located at the bar groove of deep-slotted chip breaker (16) two
The bottom of wall.
6. synchronization up and down and the differential feed mechanism of a kind of sewing machine according to claim 1 or 2 or 3, it is characterised in that
There is reinforcement (18) on the lateral wall of the deep-slotted chip breaker (16).
7. synchronization up and down and the differential feed mechanism of a kind of sewing machine according to claim 1 or 2 or 3, it is characterised in that
One end that the kinematic link (11) is connected with lower feed spool (3) is curved.
8. synchronization up and down and the differential feed mechanism of a kind of sewing machine according to claim 2, it is characterised in that on described
Be fixed with feed spool (2) on swing connecting bar (19), the swing connecting bar (19) and be fixed with pin (20), the pin (20) with
Upper feed spool (2) is be arranged in parallel, and one end of the upper feeding connecting rod (12) is fixedly connected with bearing pin (132), and the other end is set in pin
Follow closely (20) outside, the upper feeding connecting rod (12) coordinates with pin (20) gap.
9. synchronization up and down and the differential feed mechanism of a kind of sewing machine according to claim 8, it is characterised in that the pin
Upper adjustment axis (8) is fixed on close to one end of upper feed spool (2) away from regulation tooth poor (9), and the swing connecting bar (19) is fixed on
Feed spool (2) is close to one end of upper adjustment axis (8).
10. synchronization up and down and the differential feed mechanism of a kind of sewing machine according to claim 1 or 2 or 3, its feature exist
In the upper adjustment axis (8) is coaxially disposed with upper feed spool (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621137384.2U CN206319131U (en) | 2016-10-19 | 2016-10-19 | A kind of synchronization up and down of sewing machine and differential feed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621137384.2U CN206319131U (en) | 2016-10-19 | 2016-10-19 | A kind of synchronization up and down of sewing machine and differential feed mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206319131U true CN206319131U (en) | 2017-07-11 |
Family
ID=59262924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621137384.2U Withdrawn - After Issue CN206319131U (en) | 2016-10-19 | 2016-10-19 | A kind of synchronization up and down of sewing machine and differential feed mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206319131U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319773A (en) * | 2016-10-19 | 2017-01-11 | 浙江中捷缝纫科技有限公司 | Up-down synchronous and differential feeding mechanism of sewing machine |
| CN108457006A (en) * | 2018-05-08 | 2018-08-28 | 浙江美机缝纫机有限公司 | A kind of sewing machine and its can needle space changable mechanism |
-
2016
- 2016-10-19 CN CN201621137384.2U patent/CN206319131U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319773A (en) * | 2016-10-19 | 2017-01-11 | 浙江中捷缝纫科技有限公司 | Up-down synchronous and differential feeding mechanism of sewing machine |
| CN106319773B (en) * | 2016-10-19 | 2023-02-07 | 浙江中捷缝纫科技有限公司 | Vertical synchronous and differential feeding mechanism of sewing machine |
| CN108457006A (en) * | 2018-05-08 | 2018-08-28 | 浙江美机缝纫机有限公司 | A kind of sewing machine and its can needle space changable mechanism |
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