CN205556999U - Decline mechanism of domestic sewing machine feed dog - Google Patents
Decline mechanism of domestic sewing machine feed dog Download PDFInfo
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- CN205556999U CN205556999U CN201620389069.2U CN201620389069U CN205556999U CN 205556999 U CN205556999 U CN 205556999U CN 201620389069 U CN201620389069 U CN 201620389069U CN 205556999 U CN205556999 U CN 205556999U
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- sewing machine
- adjustment seat
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Abstract
The utility model provides a decline mechanism of domestic sewing machine feed dog belongs to sewing machine technical field. It has been solved current domestic sewing machine and has embroidered the problem that the flowering time feed dog can exert an influence to embroidery cloth. This decline mechanism of domestic sewing machine feed dog, domestic sewing machine includes the frame, the frame is improved level to have linked firmly and is sent the mechanical axis, the work feed axle is with lower, decline mechanism includes the fixed station and adjusts the seat, the one end of fixed station articulates at the work feed epaxially, the feed dog has been linked firmly on the fixed station, it articulates on sending the mechanical axis to adjust the seat, the lower epaxial cam that has linked firmly, the cam can support to lean on and adjust an upper portion when the regulation seat is relative with the cam, it is equipped with the ejector pin to adjust between an one end of keeping away from the cam and the fixed station, and having, sliding connection surely replaces the slider on sending the mechanical axis. This decline mechanism of domestic sewing machine feed dog can avoid the feed dog to produce embroidery cloth and interfere embroidering the decline of flowering time messenger feed dog.
Description
Technical field
This utility model belongs to sewing machine technique field, relates to a kind of domestic sewing machine work feed
The descending mechanism of tooth.
Background technology
Sewing machine is to use one or more sewing thread, forms one or more lines on sewing
Mark, makes the machine that one or more layers sewing interweaves or unites by a seam, function of sewing sewing cotton,
The goods such as the fabrics such as fiber crops, silk, hair, staple fibre and leather, plastics, paper, stitch out
Stitching neat appearance, smooth firmly, sewing velocity is fast, easy to use.Domestic at present
Sewing machine is merely able to realize straight line seam or tortuous seam, is on feed dog is in all the time in work
Lower kinestate, when needs are embroidered, embroidery cloth can be produced by the feed dog of up and down motion
Impact.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that
A kind of descending mechanism of domestic sewing machine feed dog, the decline of this domestic sewing machine feed dog
Mechanism can make feed dog decline when embroidering, it is to avoid embroidery cloth is produced by feed dog interferes.
The purpose of this utility model can be realized by following technical proposal: a kind of domestic seam
Threading the descending mechanism of machine feed dog, domestic sewing machine includes frame, level in described frame
Being fixed with and send power axle and cloth pushing shaft, described frame is sending the company of rotation between power axle and cloth pushing shaft
It is connected to lower axle, described lower axle, send power axle and the parallel setting of cloth pushing shaft, it is characterised in that
Described descending mechanism includes fixed station and adjustment seat, and one end of described fixed station is hinged on to be sent
On cloth beam, the other end is positioned at the top sending power axle, is fixed with and send on fixed station upper side
Dog, described adjustment seat is hinged on to be sent on power axle, and adjustment seat can be along sending power shaft length
Sliding in direction, described lower axle is fixed with cam, when adjustment seat and cam relative to time cam
Wheel face can be resisted against the adjustment seat top, one end towards cam, described adjustment seat away from
It is provided with when adjustment seat is swung up away from one end of cam between one end and the fixed station of cam
Time can drive the push rod that fixed station rises, described in send that also slidably connect on power axle can
Pushing tow adjustment seat also makes adjustment seat depart from the cutting for slide block of cam.
When normal sewing, cam leans with adjustment seat, and lower axle band moving cam rotates,
When the wheel face that adjustment seat and cam diameter are less leans, feed dog is in low level, ascends the throne
In the lower section of needle plate, along with the rotation of cam, when the wheel that adjustment seat and cam are relatively large in diameter
When face leans, adjustment seat swings and upwards pushing tow push rod, and push rod then pushing tow fixed station makes
Obtain feed dog and rise and protrude needle plate, thus realize the elevating movement of feed dog, need to embroider
Needing to be arranged on domestic sewing machine embroidery machine during flower, now the leading portion on embroidery machine is convex
Platform can be cut for slide block by pushing tow so that cutting for slide block pushing tow adjustment seat, adjustment seat moves also
Departing from cam, now fixed station can decline, i.e. feed dog drops to below needle plate, and
Cut on slide block, therefore owing to the leading portion boss on the embroidery machine when embroidering acts against all the time
Adjustment seat the most not with cam contact, i.e. descend axle rotate adjustment seat will not be worked, make
Obtain feed dog and be always positioned at below needle plate, embroidery cloth will not be produced and interfere.
In the descending mechanism of above-mentioned domestic sewing machine feed dog, described in cut on slide block
Having two connection push pedals, this two connections push pedal is slidably connected to be sent on power axle, described regulation
Seat is in tubular and is set in and send on power axle, and described adjustment seat outer wall has the transmission of tabular
Portion, this transmission portion connects between push pedal in two, and above-mentioned cam can be resisted against driving section
On, the side of described driving section is connected push pedal for the one of slide block leans with cutting.Cut for sliding
By the connection push pedal pushing tow driving section of side when block moves so that adjustment seat moves.
In the descending mechanism of above-mentioned domestic sewing machine feed dog, described in send on power axle overlap
It is provided with back-moving spring, is also fixed with jump ring on power axle sending, one end of described back-moving spring
Being pressed on the side, driving section of adjustment seat, the other end is pressed on jump ring, at reset bullet
The effect underdrive portion of spring is pressed on cuts in a connection push pedal of slide block.When embroidery machine takes off
When domestic sewing machine, cut and determine thrust for what slide block lost leading portion boss on embroidery machine, because of
This adjustment seat can under the effect of back-moving spring reset movement, i.e. move to driving section with
Cam wheel face leans.
In the descending mechanism of above-mentioned domestic sewing machine feed dog, described driving section towards
The top, one end of cam has against inclined-plane, when driving section and cam relative to time cam wheel
Face abuts against on inclined-plane.When cam rotates, wheel face abuts against on inclined-plane, both
Between produce and be slidably matched so that relative motion is more smooth.
In the descending mechanism of above-mentioned domestic sewing machine feed dog, in described adjustment seat also
There is vertical pushing part, the upper side of described vertical pushing part offers leaning of arc
Groove, this leans groove and lays respectively at the both sides sending power axle axial line, described top against inclined-plane
The lower end of bar acts against and leans in groove.The wheel face that driving section is relatively large in diameter by cam compresses also
During decline, vertical pushing part can rise, and i.e. makes push rod increase.
In the descending mechanism of above-mentioned domestic sewing machine feed dog, spiral shell on described fixed station
Being connected to regulate bolt, the lower end of this regulation bolt passes fixed station downside, described push rod
Upper end with regulation bolt lower end ball-joint.Owing to needing adjustment seat to move when embroidering,
And the lower end of push rod is resisted against all the time and leans in groove, the therefore upper end of push rod and regulation bolt
Ball-joint, facilitates push rod phase different directions to swing, further, by regulation bolt also
Can regulate the height of push rod, i.e. the range of regulation fixed station lifting, uses more
Flexibly.
In the descending mechanism of above-mentioned domestic sewing machine feed dog, described fixed station has
Having two articulated jibs, described cloth pushing shaft is fixed with link, this link has two upwards
The linking arm stretched out, the free end of articulated jib described in two is respectively hinged at the upper of two linking arms
End.Fixed station connects on the connecting arm by articulated jib, simple and compact for structure.
In the descending mechanism of above-mentioned domestic sewing machine feed dog, described fixed station connects
Being connected to reset tension spring, the lower end of this reset tension spring is connected in frame, articulated jib described in two
Between be also fixed with gag lever post, spacing when fixed station declines under the effect of reset tension spring
The side, two ends of bar bears against on the side of linking arm.When push rod declines, fixing
Platform declines under the effect of reset tension spring so that the lower end of push rod is resisted against all the time and leans groove
In, overall structure is more stable, and gag lever post is then for limiting after fixed station declines
Lower position.
In the descending mechanism of above-mentioned domestic sewing machine feed dog, described descending mechanism is also
Including handling pushing block, the two ends of described manipulation pushing block are respectively provided with connecting portion, and connect by two
The portion of connecing is slidably connected at and send on power axle, and described adjustment seat outer wall has two lateral pushing portions,
A junction of described manipulation pushing block is resisted against in a lateral pushing portion, when handling pushing block
When promoting adjustment seat to move, another lateral pushing portion can be resisted against and cut on slide block.Behaviour
Vertical pushing block declines for manual operation feed dog, i.e. promotes and handles pushing block, handles pushing block
Connecting portion can the lateral pushing portion of pushing tow adjustment seat, and another of adjustment seat laterally pushes up
Pushed section then pushing tow is cut and is moved together for slide block, thus realizes Non-follow control.
In the descending mechanism of above-mentioned domestic sewing machine feed dog, on described manipulation pushing block
There is on side positioning seat, the edge that described positioning seat is paralleled with the power axle of sending has bullet
Property positioning strip, this elastic positioning strip is bent to form the locating slot of two arcs, in described frame
Vertically having locating dowel on side, the edge that this locating dowel is plugged on positioning seat is fixed with elasticity
Between the bar of position, when driving section leans with cam, locating dowel is positioned at a locating slot,
When driving section departs from cam, locating dowel is positioned at another locating slot.Elastic positioning strip
Driving section is realized when ixed control pushing block, i.e. locating dowel are positioned at different locating slots
Disengaging with cam and against.
Compared with prior art, the descending mechanism of this domestic sewing machine feed dog has following
Advantage:
1, can cut for slide block by pushing tow due to the leading portion boss on embroidery machine so that cut for sliding
Block pushing tow adjustment seat, adjustment seat is moved out cam, and now fixed station can decline,
I.e. feed dog drops to below needle plate, and due to the leading portion boss on the embroidery machine when embroidering
All the time act against and cut on slide block, therefore adjustment seat the most not with cam contact, i.e. descend axle
Adjustment seat will not be worked by rotation so that feed dog is always positioned at below needle plate, will not
Embroidery cloth is produced and interferes.
2, owing to also being able to regulate the height of push rod by regulation bolt, fixed station is i.e. regulated
The range of lifting, uses more flexible.
3, owing to being additionally provided with manipulation pushing block, promote and handle pushing block, handle the connecting portion of pushing block
Can the lateral pushing portion of pushing tow adjustment seat, another lateral pushing portion of adjustment seat is then
Pushing tow is cut and is moved together for slide block, thus realizes Non-follow control.
Accompanying drawing explanation
Fig. 1 is the perspective view of the descending mechanism of domestic sewing machine feed dog.
Fig. 2 is perspective view during the non-installation frame of descending mechanism.
Fig. 3 is structural side view during the non-installation frame of descending mechanism.
Fig. 4 is adjustment seat, cuts for slide block and handle stereochemical structure signal when pushing block assembles
Figure.
Fig. 5 is adjustment seat, cuts for slide block and handle structure front view when pushing block assembles.
In figure, 1, frame；11, power axle is sent；111, jump ring；112, back-moving spring；
12, cloth pushing shaft；121, link；122, linking arm；13, lower axle；131, cam；
14, locating dowel；2, fixed station；21, feed dog；22, reset tension spring；23, regulation
Bolt；24, articulated jib；25, gag lever post；3, adjustment seat；31, driving section；311、
Against inclined-plane；32, vertical pushing part；321, groove is leaned；33, lateral pushing portion；4、
Push rod；5, cut for slide block；51, push pedal is connected；6, pushing block is handled；61, connecting portion；
62, positioning seat；621, elastic positioning strip；622, locating slot.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, to this utility model
Technical scheme be further described, but this utility model is not limited to these embodiments.
As shown in Figure 1 and Figure 2, the descending mechanism of a kind of domestic sewing machine feed dog, family
Including frame 1 with sewing machine, in frame 1, level is fixed with and send power axle 11 and cloth pushing shaft 12,
Frame 1 is rotatably connected to lower axle 13 sending between power axle 11 and cloth pushing shaft 12, lower axle 13,
Sending power axle 11 and the parallel setting of cloth pushing shaft 12, descending mechanism includes fixed station 2 and adjusts
Joint seat 3, one end of fixed station 2 is hinged on cloth pushing shaft 12, and the other end is positioned at and send power axle
The top of 11, is fixed with feed dog 21 on fixed station 2 upper side, and adjustment seat 3 is hinged
Sending on power axle 11, and adjustment seat 3 can slided along sending power axle 11 length direction, under
Cam 131 it is fixed with, the cam 131 when adjustment seat 3 is relative with cam 131 on axle 13
Wheel face can be resisted against the adjustment seat 3 top, one end towards cam 131, adjustment seat 3
Away from being provided with between one end and the fixed station 2 of cam 131 when adjustment seat 3 is away from cam 131
One end push rod 4 that fixed station 2 can be driven to rise when being swung up, described in send power axle 11
On also slidably connect can pushing tow adjustment seat 3 make adjustment seat 3 depart from cam 131
Cut for slide block 5.When normal sewing, cam 131 leans with adjustment seat 3, lower axle
13 band moving cams 131 rotate, when the wheel face phase that adjustment seat 3 is less with cam 131 diameter
Against time feed dog 21 be in low level, be i.e. positioned at the lower section of needle plate, along with cam 131
Rotation, the adjustment seat when the wheel face that adjustment seat 3 and cam 131 are relatively large in diameter leans
3 swings upwards pushing tow push rod 4, push rod 4 then pushing tow fixed station 2 makes feed dog
21 rise and protrude needle plate, thus realize the elevating movement of feed dog 21, need to embroider
Time need to be arranged on domestic sewing machine embroidery machine, the now leading portion boss on embroidery machine
Can cut for slide block 5 by pushing tow so that cut for slide block 5 pushing tow adjustment seat 3, adjustment seat 3
Being moved out cam 131, now fixed station 2 can decline, i.e. feed dog 21 declines
To needle plate, and cut owing to the leading portion boss on the embroidery machine when embroidering acts against all the time
For on slide block 5, therefore adjustment seat 3 does not contacts with cam 131, i.e. descends axle 13
Adjustment seat 3 will not be worked by rotation so that feed dog 21 is always positioned at below needle plate,
Embroidery cloth will not be produced and interfere.
Specifically, shown in Fig. 3, cut for having two connection push pedals 51 on slide block 5,
This two connections push pedal 51 is slidably connected to be sent on power axle 11, and adjustment seat 3 is in tubular and overlaps
It is located at and send on power axle 11, adjustment seat 3 outer wall has the driving section 31 of tabular, this biography
Dynamic portion 31 connects between push pedal 51 two, and cam 131 can be resisted against driving section 31
On, the side of driving section 31 is connected push pedal 51 for the one of slide block 5 leans with cutting, and cuts
By the connection push pedal 51 pushing tow driving section 31 of side when moving for slide block 5 so that adjust
Joint seat 3 moves.Send and on power axle 11, be arranged with back-moving spring 112, sending on power axle 11
Also being fixed with jump ring 111, one end of back-moving spring 112 is pressed on the transmission of adjustment seat 3
On side, portion 31, the other end is pressed on jump ring 111, in the effect of back-moving spring 112
Underdrive portion 31 is pressed on cuts in a connection push pedal 51 of slide block 5, when embroidery machine takes off
When domestic sewing machine, cut and determine thrust for what slide block 5 lost leading portion boss on embroidery machine,
Therefore adjustment seat 3 can under the effect of back-moving spring 112 reset movement, i.e. mobile extremely
Driving section 31 leans with cam 131 wheel face.Driving section 31 is towards the one of cam 131
End top has against inclined-plane 311, the cam 131 when driving section 31 is relative with cam 131
Wheel face abut against on inclined-plane 311, when cam 131 rotates, wheel face abuts against
On inclined-plane 311, produce between the two and be slidably matched so that relative motion is more smooth.
Also there is in adjustment seat 3 vertical pushing part 32, the upper side of vertical pushing part 32 is opened
Be provided with arc leans groove 321, and this leans groove 321 and lays respectively at against inclined-plane 311
Send the both sides of power axle 11 axial line, the lower end of push rod 4 to act against and lean in groove 321, pass
Vertical pushing part 32 when the wheel face that dynamic portion 31 is relatively large in diameter by cam 131 compresses and declines
Can rise, i.e. make push rod 4 increase.Regulation bolt 23 it is bolted with on fixed station 2,
The lower end of this regulation bolt 23 pass fixed station 2 downside, the upper end of described push rod 4 with
The lower end ball-joint of regulation bolt 23, owing to needing adjustment seat 3 to move when embroidering, and pushes up
The lower end of bar 4 is resisted against all the time and leans in groove 321, therefore the upper end of push rod 4 and regulation
Bolt 23 ball-joint, facilitates push rod 4 phase different directions to swing, further, by adjusting
Joint bolt 23 also is able to regulate the height of push rod 4, the i.e. maximum of regulation fixed station 2 lifting
Stroke, uses more flexible.
There are on fixed station 2 two articulated jibs 24, cloth pushing shaft 12 be fixed with link 121,
This link 121 has two linking arms 122 protruded upward, the freedom of two articulated jibs 24
End is respectively hinged at the upper end of two linking arms 122, and fixed station 2 is connected by articulated jib 24
On linking arm 122, simple and compact for structure.Connect on fixed station 2 and have reset tension spring 22,
The lower end of this reset tension spring 22 is connected in frame 1, the most connected between two articulated jibs 24
Limited location bar 25, the gag lever post when fixed station 2 declines under the effect of reset tension spring 22
The side, two ends of 25 bears against on the side of linking arm 122, when push rod 4 declines,
Fixed station 2 declines under the effect of reset tension spring 22 so that the lower end of push rod 4 is supported all the time
Leaning against and lean in groove 321, overall structure is more stable, and gag lever post 25 is then used for limiting
Extreme lower position after fixed station 2 decline.
Shown in Fig. 4, Fig. 5, descending mechanism also includes handling pushing block 6, handles pushing block
The two ends of 6 are respectively provided with connecting portion 61, and are slidably connected at by two connecting portions 61 and send power axle
On 11, adjustment seat 3 outer wall has two lateral pushing portions 33, handle the one of pushing block 6 and connect
Meet portion 61 to be resisted against in a lateral pushing portion 33, promote adjustment seat when handling pushing block 6
3 another lateral pushing portions 33 when moving can be resisted against cuts on slide block 5, and manipulation pushes away
Block 6 declines for manual operation feed dog 21, i.e. promotes and handles pushing block 6, handles pushing block
The connecting portion 61 of 6 can the lateral pushing portion 33 of pushing tow adjustment seat 3, and adjustment seat 3
Another lateral pushing portion 33 then pushing tow cut and move together for slide block 5, thus realize hands
Dynamic control.Handle and there is on pushing block 6 upper side positioning seat 62, positioning seat 62 with send power
Having elastic positioning strip 621 on the edge that axle 11 is parallel, this elastic positioning strip 621 is curved
Folding forms the locating slot 622 of two arcs, and frame 1 upper side vertically has locating dowel 14,
This locating dowel 14 is plugged between the edge of positioning seat 62 and elastic positioning strip 621, when
When driving section 31 and cam 131 lean, locating dowel 14 is positioned at a locating slot 622,
When driving section 31 departs from cam 131, locating dowel 14 is positioned at another locating slot 622
In, elastic positioning strip 621 is positioned at difference for ixed control pushing block 6, i.e. locating dowel 14
Locating slot 622 in time realize driving section 31 and cam 131 disengaging and against.
Specific embodiment described herein is only for example to this utility model spirit
Explanation.This utility model person of ordinary skill in the field can be to described concrete
Embodiment is made various amendment or supplements or use similar mode to substitute, but not
Spirit of the present utility model can be deviateed or surmount model defined in appended claims
Enclose.
Although the most more employing frame 1, sending the term such as power axle 11, jump ring 111,
But it is not precluded from using the probability of other term.These terms are used to be only used to more
Describe and explain essence of the present utility model easily；It is construed as any attached
The restriction added is all contrary with this utility model spirit.
Claims (10)
1. a descending mechanism for domestic sewing machine feed dog, domestic sewing machine includes frame
(1), the upper level of described frame (1) is fixed with send power axle (11) and cloth pushing shaft (12),
Described frame (1) is under sending and being rotatably connected between power axle (11) and cloth pushing shaft (12)
Axle (13), described lower axle (13), send power axle (11) and cloth pushing shaft (12) parallel
Arrange, it is characterised in that described descending mechanism includes fixed station (2) and adjustment seat (3),
One end of described fixed station (2) is hinged on cloth pushing shaft (12), and the other end is positioned at and send power
The top of axle (11), is fixed with feed dog (21) on fixed station (2) upper side,
Described adjustment seat (3) is hinged on to be sent on power axle (11), and adjustment seat (3) can edge
Send power axle (11) length direction to slide, described lower axle (13) be fixed with cam (131),
When adjustment seat (3) is relative with cam (131), the wheel face of cam (131) can be against
In adjustment seat (3) towards the top, one end of cam (131), described adjustment seat (3) is remote
From be provided with between one end of cam (131) and fixed station (2) when adjustment seat (3) away from
One end of cam (131) can drive the push rod that fixed station (2) rises when being swung up
(4) send described in, also slidably connect on power axle (11) can pushing tow adjustment seat (3) and
Make cutting for slide block (5) of adjustment seat (3) disengaging cam (131).
The descending mechanism of domestic sewing machine feed dog the most according to claim 1, its
Be characterised by, described in cut for having two connection push pedals (51) on slide block (5), this is two even
Connecing push pedal (51) to be slidably connected at and send on power axle (11), described adjustment seat (3) is in cylinder
Shape is also set in and send on power axle (11), and described adjustment seat (3) outer wall has tabular
Driving section (31), this driving section (31) are positioned between two connection push pedals (51), above-mentioned
Cam (131) can be resisted against on driving section (31), the side of described driving section (31)
Face is connected push pedal (51) for the one of slide block (5) leans with cutting.
The descending mechanism of domestic sewing machine feed dog the most according to claim 2, its
Be characterised by, described in send and on power axle (11), be arranged with back-moving spring (112), sending power
Also being fixed with jump ring (111) on axle (11), one end of described back-moving spring (112) is supported
Being pressed on driving section (31) side of adjustment seat (3), the other end is pressed on jump ring (111)
On, it is pressed in the effect underdrive portion (31) of back-moving spring (112) and cuts for slide block (5)
Connection push pedal (51) on.
4. according to the descending mechanism of the domestic sewing machine feed dog described in Claims 2 or 3,
It is characterized in that, described driving section (31) have towards the top, one end of cam (131)
Against inclined-plane (311), the cam (131) when driving section (31) are relative with cam (131)
Wheel face abut against on inclined-plane (311).
The descending mechanism of domestic sewing machine feed dog the most according to claim 4, its
It is characterised by that also there is in described adjustment seat (3) vertical pushing part (32), described perpendicular
Offer arc on the upper side of pushing part (32) leans groove (321), and this leans
Groove (321) send the two of power axle (11) axial line with laying respectively at against inclined-plane (311)
Side, the lower end of described push rod (4) acts against and leans in groove (321).
The descending mechanism of domestic sewing machine feed dog the most according to claim 5, its
It is characterised by, described fixed station (2) is bolted with regulation bolt (23), this regulation spiral shell
The lower end of bolt (23) passes fixed station (2) downside, the upper end of described push rod (4)
Lower end ball-joint with regulation bolt (23).
7. according to the descending mechanism of the domestic sewing machine feed dog described in Claims 2 or 3,
It is characterized in that there is on described fixed station (2) two articulated jibs (24), described work feed
Being fixed with link (121) on axle (12), this link (121) has two and upwards stretches
The linking arm (122) gone out, the free end of articulated jib described in two (24) is respectively hinged at two
The upper end of linking arm (122).
The descending mechanism of domestic sewing machine feed dog the most according to claim 7, its
Being characterised by, the upper connection of described fixed station (2) has reset tension spring (22), and this reset is drawn
The lower end of spring (22) is connected in frame (1), between articulated jib described in two (24) also
It is fixed with gag lever post (25), when fixed station (2) is under the effect of reset tension spring (22)
During decline, the side, two ends of gag lever post (25) bears against the side in linking arm (122)
On.
The descending mechanism of domestic sewing machine feed dog the most according to claim 3, its
Being characterised by, described descending mechanism also includes handling pushing block (6), described manipulation pushing block (6)
Two ends be respectively provided with connecting portion (61), and be slidably connected at by two connecting portions (61) and send
On power axle (11), described adjustment seat (3) outer wall has two lateral pushing portions (33),
A junction (61) of described manipulation pushing block (6) is resisted against a lateral pushing portion (33)
On, another lateral pushing portion when handling pushing block (6) and promoting adjustment seat (3) mobile
(33) can be resisted against and cut on slide block (5).
The descending mechanism of domestic sewing machine feed dog the most according to claim 9,
It is characterized in that, on described manipulation pushing block (6) upper side, there is positioning seat (62), institute
State positioning seat (62) and on the power axle edge that (11) parallel, there is elastic positioning strip with sending
(621), this elastic positioning strip (621) is bent to form the locating slot (622) of two arcs,
Vertically there is on described frame (1) upper side locating dowel (14), this locating dowel (14)
It is plugged between the edge of positioning seat (62) and elastic positioning strip (621), works as driving section
(31) when leaning with cam (131), locating dowel (14) is positioned at a locating slot (622)
In, when driving section (31) depart from cam (131), locating dowel (14) is positioned at another
In individual locating slot (622).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389069.2U CN205556999U (en) | 2016-04-29 | 2016-04-29 | Decline mechanism of domestic sewing machine feed dog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620389069.2U CN205556999U (en) | 2016-04-29 | 2016-04-29 | Decline mechanism of domestic sewing machine feed dog |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205556999U true CN205556999U (en) | 2016-09-07 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620389069.2U Active CN205556999U (en) | 2016-04-29 | 2016-04-29 | Decline mechanism of domestic sewing machine feed dog |
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| Country | Link |
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| CN (1) | CN205556999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983642A (en) * | 2019-12-16 | 2020-04-10 | 杰克缝纫机股份有限公司 | Feed dog lower supply mechanism and sewing machine |
-
2016
- 2016-04-29 CN CN201620389069.2U patent/CN205556999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983642A (en) * | 2019-12-16 | 2020-04-10 | 杰克缝纫机股份有限公司 | Feed dog lower supply mechanism and sewing machine |
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Effective date of registration: 20230620 Address after: No. 118, Shuicangtou Village, Xiachen Street, Jiaojiang District, Taizhou City, Zhejiang Province, 318000 Patentee after: Cao Rengen Address before: Building 2, No. 66, Xiachen Airport Road, Jiaojiang District, Taizhou City, Zhejiang Province, 318000 Patentee before: TAIZHOU MEIKE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |