CN209353069U - A kind of sewing machine and its needle gage adjust and backstitch component - Google Patents
A kind of sewing machine and its needle gage adjust and backstitch component Download PDFInfo
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- CN209353069U CN209353069U CN201920009778.7U CN201920009778U CN209353069U CN 209353069 U CN209353069 U CN 209353069U CN 201920009778 U CN201920009778 U CN 201920009778U CN 209353069 U CN209353069 U CN 209353069U
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- needle gage
- crank
- falling feeding
- connecting rod
- adjusts
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Abstract
It is adjusted the utility model discloses a kind of needle gage and backstitches component, further include adjusting crank with the needle gage of swing link synchronous rotation, the swing rod and the needle gage adjust crank can be around fixed point rotary including the crank, connecting rod and swing rod being successively rotatablely connected；The needle gage adjusts crank and connects with the rod slide of falling feeding, and the both ends of the connecting rod of falling feeding are rotatablely connected the rocking bar of falling feeding and swing seat respectively；The rocking bar of falling feeding and the swing seat are rotationally connected with different fixation positions respectively；When the crank rotates by a certain angle, the needle gage adjusts crank relative to the rod slide of falling feeding, and the connecting rod of falling feeding rotation, drives the swing seat rotation, to metering needle away from the realization that backstitches function.The invention also discloses a kind of sewing machines for adjusting and backstitching component including above-mentioned needle gage.Above-mentioned needle gage adjusts and backstitches component, can easily realize that needle gage adjusts and backstitches function, avoid rigid collision, promote service life.
Description
Technical field
The utility model relates to technical field of sewing machines, in particular to a kind of sewing machine and its needle gage adjust and backstitch group
Part.
Background technique
Currently, for flat seam machine needle gage adjustment structure and automatically fall feeding structure, will appear after prolonged use compared with
Serious parts depreciation and needle gage are distorted situation, and can generate biggish noise when carrying out the automatic switching of falling feeding, to sewing
Operative employee brings puzzlement.In addition mechanical needle gage regulative mode has certain limitation, can not fast automatic adaptation sewing process
Middle differing needles away from needs, and the locking of needle space standard plate is unstable, for a long time using there is positioning situation, so that it is big to influence needle gage
It is small.
Specifically, for needle gage adjustment structure comprising needle space standard plate, feeding stud and adjuster and swing seat, when
When rotating needle space standard plate, feeding stud horizontal movement, and then adjuster is resisted, so that the position of adjuster changes, in turn
Adjust the current location of swing seat；Namely feeding stud is driven to feed in front-rear direction by rotation needle space standard plate, and then adjust
The angle of swing seat, to realize the change of needle gage；Since the change of needle gage is the work cambered surface and feeding stud by adjuster
Head impact realize, therefore for a long time acutely ground using the contact site that will cause between feeding stud and feed regulator
Noise will necessarily be brought when damaging, and just backstitching switching.
Utility model content
It is adjusted the purpose of the utility model is to provide a kind of sewing machine and its needle gage and backstitches component, can easily realized
Needle gage adjusts and backstitches function, avoids rigid collision, promotes service life.
To achieve the above object, needle gage provided by the utility model adjusts and backstitches component, including what is be successively rotatablely connected
Crank, connecting rod and swing rod further include that crank is adjusted with the needle gage of swing link synchronous rotation, and the swing rod and the needle gage are adjusted
Crank can be around fixed point rotary；The needle gage adjusts crank and connects with the rod slide of falling feeding, the both ends point of the connecting rod of falling feeding
It Zhuan Donglianjie not the rocking bar of falling feeding and swing seat；The rocking bar of falling feeding and the swing seat are rotationally connected with different consolidate respectively
Positioning is set；
When the crank rotates by a certain angle, the needle gage adjusts crank relative to the rod slide of falling feeding, and
The connecting rod of falling feeding rotation, drives the swing seat to rotate, to metering needle away from the realization that backstitches function.
Preferably, the swing rod and the needle gage, which are adjusted, is arranged pendulum shaft between crank, the both ends difference of the pendulum shaft
It adjusts crank with the swing rod and the needle gage to be fixedly connected, the pendulum shaft can be rotated relative to fixed point.
It preferably, further include the driving portion being connected with the crank, to drive the crank rotation.
Preferably, the swing rod and the needle gage are adjusted at an acute angle between crank.
Preferably, the connecting rod of falling feeding is equipped with the sliding slot being slidably connected with the end for adjusting crank for the needle gage,
The sliding slot is along the length direction perpendicular to the connecting rod of falling feeding.
Preferably, one end of the rocking bar of falling feeding is rotationally connected with the first end of the connecting rod of falling feeding, described to send
The other end of material rocking bar is rotationally connected with the first fixed position.
Preferably, one end of the swing seat is rotationally connected with the second end of the connecting rod of falling feeding, the swing seat
Middle part is rotationally connected with the second fixed position.
The utility model also provides a kind of sewing machine, adjusts including needle gage described in above-mentioned any one and backstitches component.
Relative to above-mentioned background technique, needle gage provided by the utility model adjusts and backstitches component, including the successively company of rotation
Crank, connecting rod and the swing rod connect, crank can make rotating motion, needle gage adjust crank can rotate with swing link synchronous, and swing rod with
Needle gage adjusts crank and can adjust crank around fixed point rotary, needle gage and connect with the rod slide of falling feeding, the both ends point for the connecting rod of falling feeding
Not Zhuan Donglianjie the rocking bar of falling feeding and swing seat, and the rocking bar of falling feeding and swing seat are rotationally connected with different fixed bits respectively
It sets；When crank rotates by a certain angle, needle gage adjusts crank relative to the rod slide of falling feeding, and the connecting rod of falling feeding rotates, band
Dynamic swing seat rotation, to metering needle away from the realization that backstitches function.So set, when need metering needle away from or need backstitch
When, crank rotation is only driven, under the action of crank, connecting rod, swing rod, needle gage is successively driven to adjust crank and feeding
Link motion, and the connecting rod of falling feeding drives swing seat to surround fixed position rotation under the action of the rocking bar of falling feeding, and then realizes
The adjusting of needle gage；If then swing seat can be realized after rotating and backstitch function after the rotation angle of crank reaches certain value, this
Sample just greatly facilitates adjustment process, has abandoned the phenomenon that service life caused by rigidity abrasion in the prior art reduces, and
Without manually adjusting, labor intensity is reduced.
The sewing machine provided by the utility model for adjusting and backstitching component with needle gage, has above-mentioned beneficial effect, herein
It will not be described in great detail.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the relation schematic diagram that swing seat in the prior art rotates angle and needle gage size；
Fig. 2 is the structural schematic diagram that needle gage provided by the utility model embodiment adjusts and backstitches component；
The needle gage that Fig. 3 is Fig. 2 adjusts and backstitches the schematic diagram that component is installed on bottom plate；
Fig. 4 is the schematic diagram of mechanism of Fig. 2；
Fig. 5 is the relation schematic diagram of the crank rotation angle and needle gage size in Fig. 2.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
It adjusts in the needle gage for introducing the utility model with before backstitching component, reference book attached drawing 1, which show swings
The rotation angle φ of seat2Relationship between needle gage size, the rotation angle φ of swing seat2It can refer to shown in Figure of description 4
Angle φ2；In axis of abscissas (the rotation angle φ of swing seat2) top represent positive seam, in the axis of abscissas (rotation of swing seat
Angle φ2) lower section represent backstitch；As can be seen that the rotation angle φ of swing seat2It is in a linear relationship with needle gage size, and needle gage
Size determines angle X about certain0It is symmetrical.With the rotation angle φ of swing seat2Constantly variation, needle gage size will appear elder generation
The case where being decreased to zero needle gage, then become negative needle gage, then being gradually increased by negative needle gage size.That is, by changing swing seat
Rotate angle φ2It can be realized and backstitch function.
Needle gage provided by the utility model adjusts and backstitches component, as shown in Figure of description 2 to attached drawing 4, including crank
2, connecting rod 3, swing rod 4, needle gage adjust crank 6, the connecting rod of falling feeding 7, the rocking bar of falling feeding 8 and swing seat 9, with 4 institute of Figure of description
For the orientation shown, the right end of crank 2 is securable to the output shaft of driving portion 1, and the output shaft rotation of driving portion 1 then drives song
Handle 2 rotates；The left end of crank 2 is rotationally connected with the right end of connecting rod 3, and the left end of connecting rod 3 is rotationally connected with the right end of swing rod 4, pendulum
The left end of bar 4 is fixedly connected with the left end that needle gage adjusts crank 6, and the left end of swing rod 4 and the left end of needle gage adjusting crank 6 can phases
For Fixed-point Motion of A；The right end that needle gage adjusts crank 6 is slidably connected to the connecting rod of falling feeding 7, the upper end (first of the connecting rod of falling feeding 7
End) it is rotationally connected with the right end of the rocking bar of falling feeding 8, the left end of the rocking bar of falling feeding 8 is rotationally connected with the first fixed position, feeding
The lower end (second end) of connecting rod 7 is rotationally connected with the left end of swing seat 9, and the middle part of swing seat 9 is rotationally connected with the second fixed bit
It sets, the right end of swing seat 9 is hanging.Above-mentioned rotation connection may be configured as hinged or be pivotally connected, the first fixed position and
Second fixed position may be provided on the casing of sewing machine, and driving portion 1 is securable on the bottom plate 10 of sewing machine, and driving portion 1 can
It is set as stepper motor etc..
Driving portion 1 as providing the component of power, when need metering needle away from when, the output shaft of driving portion 1 rotates certain angle
Degree, and then drive crank 2 to rotate by a certain angle, and then connecting rod 3, swing rod 4, needle gage is successively driven to adjust crank 6 and the company of falling feeding
Bar 7 moves, since the connecting rod of falling feeding 7 is limited by the rocking bar of falling feeding 8, so that the connecting rod of falling feeding 7 moves in a certain range,
To drive swing seat 9 that change in location occurs, thus direction (just stitch and backstitch) of the metering needle away from size and sewing.
After the direction (just stitch and backstitch) of needle gage size and sewing is adjusted, then 1 stop motion of driving portion, above-mentioned
All parts are held in current state, start to execute sewing；When needing to adjust again during sewing, then driving portion 1 is again
Secondary rotation changes the positional relationship between above-mentioned all parts, to be adjusted.
As shown in Figure of description 5, the rotation angle φ of crank 21Relationship between needle gage size is more gentle, works as song
The rotation angle φ of handle 21In X0When, then needle gage is zero；As for rotation angle φ1In X0When, specific position locating for crank 2
Setting should be depending on the specific size of above-mentioned all parts and positional relationship；Similarly with Figure of description 1, it is located at rotation angle
φ1The top of (abscissa) represents positive seam, is located at rotation angle φ1The lower section of (abscissa) represents and backstitches, it is clear that only by
The adjusting of needle gage size can be completed in the rotation of control driving portion 1, additionally it is possible to change the direction (just stitch and backstitch) of sewing, greatly
Adjustment process is facilitated, and avoids rigidity abrasion in the prior art, is obviously improved service life.
More specifically, swing rod 4 and needle gage, which are adjusted, is arranged pendulum shaft 5 between crank 6, such as 3 institute of Figure of description 2 and attached drawing
Show, the both ends of pendulum shaft 5 adjust crank 6 with swing rod 4 and needle gage respectively and are fixedly connected, and pendulum shaft 5 can be rotated relative to fixed point；Its
Middle pendulum shaft 5 can be articulated on the casing of sewing machine.Pendulum shaft 5 adjusts the component of crank 6 as connection swing rod 4 and needle gage,
It realizes that connection swing rod 4 and needle gage adjust moving synchronously for crank 6, and pendulum shaft 5 is articulated with fixed point, limits connection 4 He of swing rod
Needle gage adjusts the motion range of crank 6, to ensure the realization of above-mentioned technical effect.
As shown in Figure of description 2 to attached drawing 4, at an acute angle between swing rod 4 and needle gage adjusting crank 6, the connecting rod of falling feeding 7 is set
There is sliding slot, sliding slot is slidably connected with the end for adjusting crank 6 for needle gage, and sliding slot is along the length perpendicular to the connecting rod of falling feeding 7
Direction.There is shown herein a kind of needle gages to adjust the specific embodiment being slidably connected between crank 6 and the connecting rod of falling feeding 7, certainly,
According to actual needs, the positional relationship between above-mentioned all parts and specific connection type can also be with reference in the prior art
Other modes, will not be described in great detail herein.
A kind of sewing machine adjusting and backstitch component with needle gage provided by the utility model, including above-mentioned specific implementation
Needle gage described in example adjusts and backstitches component, can also include the components such as said machine casing and bottom plate 10, be adjusted with for needle gage
With the installation for backstitching component；In addition, the other parts of sewing machine are referred to the prior art, it is not reinflated herein.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Sewing machine provided by the utility model and its needle gage are adjusted and backstitch component and be described in detail above.This
It applies specific case in text to be expounded the principles of the present invention and embodiment, the explanation of above embodiments is
It is used to help understand the method and its core concept of the utility model.It should be pointed out that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can be made to this utility model, this
A little improvement and modification are also fallen into the protection scope of the utility model claims.
Claims (8)
1. a kind of needle gage adjusts and backstitches component, which is characterized in that including the crank (2), connecting rod (3) and pendulum being successively rotatablely connected
Bar (4) further includes adjusting crank (6) with the needle gage of the swing rod (4) synchronous rotary, and the swing rod (4) and the needle gage are adjusted
Crank (6) can be around fixed point rotary；The needle gage adjusts crank (6) and the connecting rod of falling feeding (7) is slidably connected, the connecting rod of falling feeding
(7) both ends are rotatablely connected the rocking bar of falling feeding (8) and swing seat (9) respectively；The rocking bar of falling feeding (8) and the swing seat
(9) it is rotationally connected with different fixation positions respectively；
When the crank (2) rotates by a certain angle, it is sliding relative to the connecting rod of falling feeding (7) that the needle gage adjusts crank (6)
It is dynamic, and the connecting rod of falling feeding (7) rotates, and drives the swing seat (9) rotation, to metering needle away from the reality that backstitches function
It is existing.
2. needle gage according to claim 1 adjusts and backstitches component, which is characterized in that the swing rod (4) and the needle gage
Adjust crank (6) between be arranged pendulum shaft (5), the both ends of the pendulum shaft (5) respectively with the swing rod (4) and the needle gage tune
Section crank (6) is fixedly connected, and the pendulum shaft (5) can be rotated relative to fixed point.
3. needle gage according to claim 1 adjusts and backstitches component, which is characterized in that further include and the crank (2) phase
Even, the driving portion (1) to drive the crank (2) to rotate.
4. adjusting to needle gage described in 3 any one according to claim 1 and backstitching component, which is characterized in that the swing rod (4)
It is at an acute angle between needle gage adjusting crank (6).
5. needle gage according to claim 4 adjusts and backstitches component, which is characterized in that the connecting rod of falling feeding (7) is equipped with
The sliding slot being slidably connected with the end for adjusting crank (6) for the needle gage, the sliding slot is along perpendicular to the connecting rod of falling feeding
(7) length direction.
6. needle gage according to claim 5 adjusts and backstitches component, which is characterized in that the one of the rocking bar of falling feeding (8)
End is rotationally connected with the first end of the connecting rod of falling feeding (7), and the other end of the rocking bar of falling feeding (8) is rotationally connected with first
Fixed position.
7. needle gage according to claim 6 adjusts and backstitches component, which is characterized in that one end of the swing seat (9) turns
The second end for being connected to the connecting rod of falling feeding (7) is moved, the second fixed position is rotationally connected in the middle part of the swing seat (9).
8. a kind of sewing machine, which is characterized in that adjust and backstitch including needle gage described in 1 to 7 any one of the claims
Component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009778.7U CN209353069U (en) | 2019-01-03 | 2019-01-03 | A kind of sewing machine and its needle gage adjust and backstitch component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009778.7U CN209353069U (en) | 2019-01-03 | 2019-01-03 | A kind of sewing machine and its needle gage adjust and backstitch component |
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| Publication Number | Publication Date |
|---|---|
| CN209353069U true CN209353069U (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920009778.7U Active CN209353069U (en) | 2019-01-03 | 2019-01-03 | A kind of sewing machine and its needle gage adjust and backstitch component |
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| CN (1) | CN209353069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366871A (en) * | 2020-03-18 | 2020-07-03 | 温清 | Auxiliary component for testing chip electronic component of circuit board |
-
2019
- 2019-01-03 CN CN201920009778.7U patent/CN209353069U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366871A (en) * | 2020-03-18 | 2020-07-03 | 温清 | Auxiliary component for testing chip electronic component of circuit board |
| CN111366871B (en) * | 2020-03-18 | 2022-06-17 | 深圳市美丽莱芙科技有限公司 | Auxiliary component for testing chip electronic component of circuit board |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 318000 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. |