CN205741520U - A kind of mechanism for lifting pressre of sewing machine - Google Patents
A kind of mechanism for lifting pressre of sewing machine Download PDFInfo
- Publication number
- CN205741520U CN205741520U CN201620666143.0U CN201620666143U CN205741520U CN 205741520 U CN205741520 U CN 205741520U CN 201620666143 U CN201620666143 U CN 201620666143U CN 205741520 U CN205741520 U CN 205741520U
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- sewing machine
- electric magnet
- last item
- foot lifter
- presser foot
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Abstract
This utility model provides a kind of mechanism for lifting pressre of sewing machine, electric magnet (1) is fixed in the casing (5) of sewing machine, when electric magnet (1) drives first to lift last item (2) rotation, first lifts last item (2) drives presser feet (4) to move up and down by drive mechanism (3)；First lifts last item (2) is flatly located in casing (5), the upper end (61) of presser foot lifter spanner (6) lifts with first that last item (2) is fixing to be connected, the lower end (62) of presser foot lifter spanner (6) is connected with the take-off lever (11) of electric magnet (1), is connected a section of downwardly extending (63) between the upper end (61) of presser foot lifter spanner (6) and lower end (62).This utility model uses the presser foot lifter spanner with the section of downwardly extending, the placement location of electric magnet reduces, and then reduces the electric magnet center of gravity relative to sewing machine, and electric magnet twin fixed guide-vane is on sewing machine, electric magnet resonance produced with sewing machine, and the produced noise of resonance can be eliminated.
Description
Technical field
This utility model belongs to sewing machine technique field, relates to a kind of mechanism for lifting pressre of sewing machine.
Background technology
At present, electric magnet is widely used in sewing machine, and presser foot lifter electric magnet of the prior art is relative to sewing machine
Center of gravity is higher, and electric magnet uses unidirectional fixed, when machine operation, easily produces electric magnet and resonates with sewing machine, make
Become noise, affect the service behaviour of presser foot lifter electric magnet, shorten service life.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of lifting pressre of sewing machine machine
Structure, is used for solving presser foot lifter electric magnet and sewing machine in prior art and easily produces resonance, cause noise, affect service behaviour
Problem.
For achieving the above object and other relevant purposes, this utility model provides a kind of mechanism for lifting pressre of sewing machine, at least
Including: electric magnet, first lifting last item, drive mechanism, presser feet, described electric magnet is fixedly connected in the casing of sewing machine, works as institute
Stating electric magnet drives described first to lift last item when rotating, and described first lifts last item is driven on described presser feet by described drive mechanism
Lower motion；It is characterized in that, also including a presser foot lifter spanner, described first lifts last item is flatly located in the casing of sewing machine
On, the upper end of described presser foot lifter spanner lifts with first that last item is fixing to be connected, and the lower end of described presser foot lifter spanner is defeated with electric magnet
Rod is connected, and connects the section of downwardly extending between the top and bottom of described presser foot lifter spanner.
Preferably, the take-off lever of described electric magnet extends straight down.
Preferably, described presser foot lifter spanner is J-shaped, and the lower end edge substantially horizontal direction of described presser foot lifter spanner is prolonged
Stretch.
Preferably, described drive mechanism includes that second lifts last item, the first connecting plate, the second connecting plate, presser feet axle, crank group
Part；One end of described first connecting plate is fixedly connected on the described second front end lifting last item, the upper end hinge of described second connecting plate
Being connected on described first connecting plate, lower end is connected with described presser feet axle, and described presser feet is fixed on the lower end of described presser feet axle, institute
State second to lift the rear end of last item and lift last item by described crank assemblies with described first and be connected.
Preferably, the two ends of described electric magnet are all fixing with a fixture to be connected, and described fixture is fixedly connected on
On sewing machine case.
Preferably, described fixture is U-shaped, including two arms and a bottom；Said two arm is fixing respectively to be connected
Being connected to the two ends of described electric magnet, described bottom is fixedly connected on described sewing machine case.
Preferably, described electric magnet also includes: iron core, coil, housing；Described coil is wrapped in the outside of described iron core
Portion, described enclosure interior has the first cavity, and described coil is arranged in described first cavity, described iron core and described take-off lever
One end be connected, and the other end of described take-off lever extends to the outside of housing.
Preferably, described iron core includes a bar portion and a frustum of a cone, and the large end face of the described frustum of a cone is connected to described bar portion
One end and diameter same with it, described take-off lever stretches out from the small end face of the described frustum of a cone, is additionally provided with confession in described housing
The second cavity that described iron core slides.
Preferably, being provided with spring between small end face and the described housing of the described frustum of a cone, described spring housing is in described output
On bar.
Preferably, the two ends of described iron core are respectively arranged with the first elastic washer and the second elastic washer.
As it has been described above, mechanism for lifting pressre of sewing machine of the present utility model, have the advantages that employing has to downward
The presser foot lifter spanner of the section of stretching, is connected the lower end of electric magnet take-off lever with this presser foot lifter spanner, and the placement location of electric magnet reduces,
And then reduce the presser foot lifter electric magnet center of gravity relative to sewing machine, and electric magnet twin fixed guide-vane is on sewing machine, it is possible to eliminate
The resonance produced with sewing machine of presser foot lifter electric magnet, and the produced noise of resonance, improve the work of presser foot lifter electric magnet
Make performance, increase the service life.
Accompanying drawing explanation
Fig. 1 is shown as mechanism for lifting pressre of sewing machine connection diagram of the present utility model.
Fig. 2 is shown as lifting pressre of sewing machine structural representation of the present utility model.
Fig. 3 is shown as electric magnet internal structure schematic diagram of the present utility model.
Element numbers explanation
1 electric magnet
11 take-off levers
12 iron cores
121 bar portions
122 frustums of a cone
123 through holes
124 pins
125 pin-and-holes
13 coils
14 housings
15 first cavitys
16 second cavitys
17 springs
18 first elastic washers
19 second elastic washers
2 first lift last item
3 drive mechanisms
31 second lift last item
32 first connecting plates
33 second connecting plates
34 presser feet axles
35 crank assemblies
36 presser feets prick head
37 guide blocks
371 gathering sills
4 presser feets
5 casing
6 presser foot lifter spanners
The upper end of 61 presser foot lifter spanners
The lower end of 62 presser foot lifter spanners
63 sections of downwardly extending
7 fixtures
71,72 arms
Bottom 73
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model being described below, those skilled in the art can be by this
Content disclosed by description understands other advantages of the present utility model and effect easily.
Refer to Fig. 1 to Fig. 3.It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to
Coordinate the content disclosed in description, understand for those skilled in the art and read, being not limited to this utility model
Enforceable qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or size
Adjust, under not affecting effect that this utility model can be generated by and the purpose that can reach, all should still fall at this utility model
In the range of disclosed technology contents can be contained.Meanwhile, in this specification cited as " on ", D score, " left ",
The term of " right ", " middle " and " one " etc., is merely convenient to understanding of narration, and it is enforceable to be not used to limit this utility model
Scope, being altered or modified of its relativeness, changing under technology contents without essence, enforceable when being also considered as this utility model
Category.
As shown in Figure 1 and Figure 2, this utility model provides a kind of mechanism for lifting pressre of sewing machine, arranges and has the section of downwardly extending
Presser foot lifter spanner, is connected the lower end of electric magnet take-off lever with this presser foot lifter spanner, and the placement location of electric magnet reduces, and then low
The center of gravity of electric magnet, and by electric magnet and sewing machine twin fixed guide-vane, when machine operation, eliminate presser foot lifter electric magnet and seam
The produced resonance of machine of threading, and eliminate the produced noise of resonance, improve the service behaviour of machine, increase the service life.
As shown in Figure 1 and Figure 2, mechanism for lifting pressre of sewing machine, at least include: electric magnet 1, first lift last item 2, drive mechanism
3, presser feet 4, electric magnet 1 is fixedly connected in the casing 5 of sewing machine, when electric magnet 1 drive first lift last item 2 rotate time, first
Lifting last item 2 drives presser feet 4 to move up and down by drive mechanism 3；Also including a presser foot lifter spanner 6, first lifts last item 2 flatly
Being located in the casing 5 of sewing machine, the upper end 61 of presser foot lifter spanner 6 lifts with first that last item 2 is fixing to be connected, presser foot lifter spanner 6
Lower end 62 is connected with the take-off lever 11 of electric magnet 1, is connected one to downward between the upper end 61 of presser foot lifter spanner 6 and lower end 62
The section of stretching 63.
Owing to being connected a section of downwardly extending 63 between upper end 61 and the lower end 62 of presser foot lifter spanner 6, and electric magnet 1 is defeated
Rod 11 is connected with the lower end 62 of presser foot lifter spanner 6, and the placement location of electric magnet 1 reduces, so it is relative to reduce electric magnet
In the center of gravity of sewing machine, electric magnet resonance produced with sewing machine, and the produced noise of resonance can be eliminated, improve and lift pressure
The service behaviour of foot electric magnet, increases the service life.Further, last item 2 company of fixing is lifted in the upper end 61 and first of presser foot lifter spanner 6
Connect, when the lower end 62 of presser foot lifter spanner 6 is acted on by the take-off lever 11 of electric magnet 1, the first rotation lifting last item 2 can be driven, enter
And drive presser feet 4 to move up and down by drive mechanism 3.
The take-off lever 11 of electric magnet 1 extends straight down.Presser foot lifter spanner 6 in J-shaped, the lower end 62 of presser foot lifter spanner 6
Extend along substantially horizontal direction.Thus, the lower end 62 of presser foot lifter spanner 6, under the effect downwards of take-off lever 11, can drive the
One rotation lifting last item 2.
Drive mechanism 3 includes that second lifts last item the 31, first connecting plate the 32, second connecting plate 33, presser feet axle 34, crank assemblies
35；One end of first connecting plate 32 is fixedly connected on the second front end lifting last item 31, and the upper end thereof of the second connecting plate 33 is
On a plate 32, lower end is connected with presser feet axle 34, and presser feet 4 is fixed on the lower end of presser feet axle 34, after second lifts last item 31
End is lifted last item 2 by crank assemblies 35 with first and is connected.Thus, first lifts the rotation of last item 2, is driven by crank assemblies 35
Second lifts last item the 31, first connecting plate 32 rotates, then drives presser feet 4 to move up and down by the second connecting plate 33 with presser feet axle 34.
Drive mechanism 3 also includes presser feet bundle 36, guide block 37, the lower end of the second connecting plate 33 and one end of presser feet bundle 36
Being hinged, the upper end of presser feet axle 34 is fixedly connected on one end of presser feet bundle 36, and guide block 37 is fixed in casing, and middle part is arranged
Vertical gathering sill 371, the other end of presser feet bundle 36 is had to be stuck in vertical gathering sill 371 and can move up and down along gathering sill.Thus,
When second feed lifting rock shaft the 31, first connecting plate 32 rotates, drive the second connecting plate 33, presser feet axle 34 and presser feet bundle 36 upwards
Motion, the other end of presser feet bundle 36 is stuck in the vertical gathering sill 371 of guide block 37, to guarantee that presser feet axle 34 is transported vertically
Dynamic.
The two ends of electric magnet 1 are all fixing with a fixture 7 to be connected, and fixture 7 is fixedly connected on sewing machine case 5
On.As shown in Figure 1 and Figure 2, fixture 7 is U-shaped, including 71,72 and one bottoms 73 of two arms；Two arms 71,72 are respectively
Being fixedly connected on the two ends of electric magnet 1, bottom 73 is fixedly connected on sewing machine case 5.By two arms 71,72 respectively with
The fixing connection at the two ends of electric magnet 1, thus whole fixture 7 is fixedly connected on the two ends of electric magnet 1, owing to bottom 73 is solid
Surely being connected to sewing machine case 5, fixed form can use screw or other modes, thus can realize the two ends of electric magnet solid
It is scheduled on sewing machine case, i.e. achieves the twin fixed guide-vane of electromagnet mechanism, reduce electricity with aforesaid employing presser foot lifter spanner 6
The placement location of Magnet, it is possible to reduce electric magnet relative to the center of gravity of sewing machine, when machine operation, eliminate presser foot lifter electric magnet with
The produced resonance of sewing machine, and eliminate the produced noise of resonance, to reach to improve the service behaviour of machine, extend and use
The effect in life-span.
As it is shown on figure 3, be the internal structural map of presser foot lifter electric magnet, electric magnet 1 also includes: iron core 12, coil 13, housing
14；Coil 13 is wrapped in the lateral part of iron core 12, and housing 14 is internal has the first cavity 15, and coil 13 is arranged on the first cavity 15
In, iron core 12 is connected with one end of take-off lever 11, and the other end of take-off lever 11 extends to the outside of housing 14.Yu Benshi
Executing in example, coil 13 is also associated with external wire, and it is outside that external wire extends to housing 14 through housing 14.The electricity thus constituted
Magnet, when the solenoid is energized, produces electromagnetic field, and the power that produces drives the motion of iron core 12.
Iron core 12 includes bar portion 121 and a frustum of a cone 122, and the large end face of the frustum of a cone 122 is connected to the one end in bar portion 121
And diameter same with it, take-off lever 11 stretches out from the small end face of the frustum of a cone 122, is additionally provided with and slides for iron core 12 in housing 14
Second cavity 16.
As it is shown on figure 3, the first cavity 15 is arranged on the periphery of the second cavity 16, and through with it.The edge, middle part of iron core 12
Axis direction has through hole 123, and one end of take-off lever 11 is plugged in through hole 123, and take-off lever 11 is plugged in through hole 123
In part be connected with pin 124, iron core 12 have can the pin-and-hole 125 of grafting pin 124, thus can by take-off lever 11 with
Iron core 12 is fixing to be connected.The diameter at the position that through hole 123 is positioned at the frustum of a cone 122 small end face can be set to more than other positions
Diameter, so can play cushioning effect to the movement of whole iron core.
Being provided with spring 17 between small end face and the housing 14 of the frustum of a cone 122, spring 17 is enclosed within take-off lever 11.Iron core 12
Two ends are respectively arranged with the first elastic washer 18 and the second elastic washer 19.By the setting of spring 17, after iron core 12 moves
Can realize automatically reseting.By the first elastic washer 18 and setting of the second elastic washer 19, at iron core 12 stretching motion
Time, it is to avoid iron core 12 directly contacts with housing 14, the generation of effective noise reduction function.Elastic washer can be elastic tape etc..
To sum up, this utility model effectively overcomes various shortcoming of the prior art and has high industrial utilization.
Above-described embodiment only illustrative principle of the present utility model and effect thereof are new not for limiting this practicality
Type.Above-described embodiment all can be carried out by any person skilled in the art under spirit and the scope of the present utility model
Modify or change.Therefore, art has usually intellectual such as without departing from the essence disclosed in this utility model
All equivalences completed under god and technological thought are modified or change, and must be contained by claim of the present utility model.
Claims (10)
1. a mechanism for lifting pressre of sewing machine, at least includes: electric magnet (1), first lift last item (2), drive mechanism (3), presser feet
(4), described electric magnet (1) is fixedly connected in the casing (5) of sewing machine, when described electric magnet (1) drives described first to lift pressure
When axle (2) rotates, described first lifts last item (2) drives described presser feet (4) to move up and down by described drive mechanism (3)；It is special
Levying and be, also include a presser foot lifter spanner (6), described first lifts last item (2) is flatly located in the casing (5) of sewing machine
On, the upper end (61) of described presser foot lifter spanner (6) lifts with first that last item (2) is fixing to be connected, the lower end of described presser foot lifter spanner (6)
(62) it is connected with the take-off lever (11) of electric magnet (1), connects between upper end (61) and lower end (62) of described presser foot lifter spanner (6)
Connect a section of downwardly extending (63).
Mechanism for lifting pressre of sewing machine the most according to claim 1, it is characterised in that: the take-off lever of described electric magnet (1)
(11) extend straight down.
Mechanism for lifting pressre of sewing machine the most according to claim 2, it is characterised in that: described presser foot lifter spanner (6) is in J word
Shape, the lower end (62) of described presser foot lifter spanner (6) extends along substantially horizontal direction.
Mechanism for lifting pressre of sewing machine the most according to claim 1, it is characterised in that: described drive mechanism (3) includes second
Lift last item (31), the first connecting plate (32), the second connecting plate (33), presser feet axle (34), crank assemblies (35)；Described first connects
One end of plate (32) is fixedly connected on the described second front end lifting last item (31), and the upper end thereof of described second connecting plate (33) exists
On described first connecting plate (32), lower end is connected with described presser feet axle (34), and described presser feet (4) is fixed on described presser feet axle
(34) lower end, the described second rear end lifting last item (31) lifts last item (2) phase by described crank assemblies (35) with described first
Connect.
Mechanism for lifting pressre of sewing machine the most according to claim 1, it is characterised in that: the two ends of described electric magnet (1) all with
One fixture (7) is fixing to be connected, and described fixture (7) is fixedly connected on sewing machine case (5).
Mechanism for lifting pressre of sewing machine the most according to claim 5, it is characterised in that: described fixture (7) is U-shaped, including
Two arms (71,72) and a bottom (73)；Said two arm (71,72) is respectively fixedly connected with in described electric magnet (1)
Two ends, described bottom (73) are fixedly connected on described sewing machine case (5).
Mechanism for lifting pressre of sewing machine the most according to any one of claim 1 to 6, it is characterised in that described electric magnet (1)
Also include: iron core (12), coil (13), housing (14)；Described coil (13) is wrapped in the lateral part of described iron core (12), described
Housing (14) is internal has the first cavity (15), and described coil (13) is arranged in described first cavity (15), described iron core
(12) one end with described take-off lever (11) is connected, and the other end of described take-off lever (11) extends to outside housing (14)
Portion.
Mechanism for lifting pressre of sewing machine the most according to claim 7, it is characterised in that: described iron core (12) includes a bar portion
(121) and one frustum of a cone (122), the large end face of the described frustum of a cone (122) be connected to described bar portion (121) one end and with its with
Diameter, described take-off lever (11) stretches out from the small end face of the described frustum of a cone (122), is additionally provided with for institute in described housing (14)
State the second cavity (16) that iron core (12) slides.
Mechanism for lifting pressre of sewing machine the most according to claim 8, it is characterised in that: the small end face of the described frustum of a cone (122)
And being provided with spring (17) between described housing (14), described spring (17) is enclosed within described take-off lever (11).
Mechanism for lifting pressre of sewing machine the most according to claim 9, it is characterised in that: the two ends of described iron core (12) are respectively
It is provided with the first elastic washer (18) and the second elastic washer (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666143.0U CN205741520U (en) | 2016-06-24 | 2016-06-24 | A kind of mechanism for lifting pressre of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620666143.0U CN205741520U (en) | 2016-06-24 | 2016-06-24 | A kind of mechanism for lifting pressre of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205741520U true CN205741520U (en) | 2016-11-30 |
Family
ID=57382603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620666143.0U Active CN205741520U (en) | 2016-06-24 | 2016-06-24 | A kind of mechanism for lifting pressre of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205741520U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251977A (en) * | 2018-04-08 | 2018-07-06 | 苏州胜璟电磁科技有限公司 | It is a kind of apart from adjustable solenoid |
| CN112430912A (en) * | 2020-11-13 | 2021-03-02 | 拓卡奔马机电科技有限公司 | Button sewing machine and lifting, pressing and wire shearing mechanism thereof |
-
2016
- 2016-06-24 CN CN201620666143.0U patent/CN205741520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251977A (en) * | 2018-04-08 | 2018-07-06 | 苏州胜璟电磁科技有限公司 | It is a kind of apart from adjustable solenoid |
| CN112430912A (en) * | 2020-11-13 | 2021-03-02 | 拓卡奔马机电科技有限公司 | Button sewing machine and lifting, pressing and wire shearing mechanism thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
|
| CP03 | Change of name, title or address |