CN209619638U - A kind of sewing machine and its mechanism is backstitched automatically - Google Patents
A kind of sewing machine and its mechanism is backstitched automatically Download PDFInfo
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- CN209619638U CN209619638U CN201920213545.9U CN201920213545U CN209619638U CN 209619638 U CN209619638 U CN 209619638U CN 201920213545 U CN201920213545 U CN 201920213545U CN 209619638 U CN209619638 U CN 209619638U
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- swing rod
- feeding
- shaft
- sewing machine
- driving motor
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Abstract
The utility model belongs to technical field of sewing machines, it refers in particular to a kind of sewing machine and its backstitches mechanism automatically, it include to be rotatably connected on casing to backstitch shaft, it backstitches shaft rotation and then drive backstitches mechanism and carries out backstitching movement, driving motor is provided on the casing, the output shaft of driving motor is connect with one end of swing rod one, the other end of swing rod one is articulated and connected by one end of kinematic link and swing rod two, the other end of swing rod two, which is connected to, to be backstitched in shaft, the swing rod one is vertical with the output shaft of driving motor to be connect, the swing rod two with backstitch that shaft is vertical to be connect, the output shaft and swing rod one of driving motor, swing rod two is rotated synchronously with shaft is backstitched.The utility model replaces existing electromagnet using driving motor, driving is effectively reduced backstitches mechanism and backstitch generated noise when movement, simple and compact for structure, stable transmission, long service life.
Description
Technical field:
The utility model belongs to technical field of sewing machines, refers in particular to a kind of sewing machine and its backstitches mechanism automatically.
Background technique:
For backstitching on sewing machine there are two types of mechanism generally comprises, the first manually is driven down by backstitching spanner
Seam mechanism action realization backstitches, and second is to backstitch mechanism action realization by solenoid actuated to backstitch.And with machine automatization
The fast development of change, existing sewing machine generally use the second way to realize that backstitching the automatic of mechanism backstitches function.However, In
In sewing machine course of normal operation, the stretching motion of electromagnet can inevitably bring biggish complete machine oscillation and noise, right
The working environment of job stability, service life and operator between each driving member impacts.
Summary of the invention:
The purpose of the utility model is to provide a kind of the operation is stable, noise is small and sewing machine with long service life and its automatic
Backstitch mechanism.
The utility model is realized in this way:
What one of purpose of the utility model was to provide a kind of sewing machine backstitches mechanism automatically, includes rotation connection
Shaft is backstitched on casing, shaft rotation is backstitched and then drive backstitches mechanism and carries out backstitching movement, be provided on the casing
The output shaft of driving motor, driving motor is connect with one end of swing rod one, and the other end of swing rod one passes through kinematic link and swing rod
Two one end articulated connection, the other end of swing rod two, which is connected to, to be backstitched in shaft, the output shaft of the swing rod one and driving motor
Vertical connection, swing rod two with backstitch that shaft is vertical to be connect, the output shaft of driving motor and swing rod one, swing rod two and to backstitch shaft same
Step rotation, driving motor backstitch shaft around the axis circumferential direction reciprocating rotation for backstitching shaft by kinematic link driving.
In a kind of backstitching in mechanism automatically for above-mentioned sewing machine, the output shaft axis of the driving motor and shaft is backstitched
Axis it is vertical, the upper and lower ends of the kinematic link pass through universal hinging component respectively and connect with swing rod one, swing rod two.
In a kind of backstitching in mechanism automatically for above-mentioned sewing machine, the universal hinging component includes oscillating bearing and passes
Dynamic pin, oscillating bearing are separately positioned on the both ends of kinematic link, and one end of trundle is set in oscillating bearing, the other end and pendulum
The corresponding end of bar one or swing rod two is fixedly connected.
In a kind of backstitching in mechanism automatically for above-mentioned sewing machine, the corresponding end wall that the trundle is connected with oscillating bearing
It extends outwardly to form an eccentric cylinder, and is provided on the end end face for driving trundle to rotate around the axis of trundle
Screw channel, oscillating bearing are set on eccentric cylinder.
In a kind of backstitching in mechanism automatically for above-mentioned sewing machine, the middle part of the kinematic link is distorted around its axis to be rotated
A twist part is formed, positioned at the axis perpendicular of the oscillating bearing at kinematic link both ends.
In a kind of backstitching in mechanism automatically for above-mentioned sewing machine, the universal hinging component includes that setting connects in transmission
The hinge sphere at bar both ends is provided with and hinge ball in the corresponding end that the swing rod one and swing rod two are connect with kinematic link
The compatible ball cup of body.
In a kind of backstitching in mechanism automatically for above-mentioned sewing machine, the casing includes fuel tank body, the driving motor
It is disposed longitudinally on the side of fuel tank body.
In a kind of backstitching in mechanism automatically for above-mentioned sewing machine, the mechanism that backstitches includes the feeding of structure of being in U-shape
Panel seat is swung, the both side plate that feeding swings panel seat is connected on casing by backstitching shaft, and feeding swings the both side plate of panel seat
Outer end passes through connecting pin respectively and is connected with the short oscillating deck of left feeding, the short oscillating deck of right feeding, and short material is sent on the short oscillating deck of left feeding, the right side
The other end of oscillating deck is connected on feeding link pin, and the feeding between the short oscillating deck of left feeding, the short oscillating deck of right feeding connects
Feeding connecting rod is provided on lever pin, the other end of feeding connecting rod is connected on upper axis by eccentric cam, is located at feeding connecting rod two
The long oscillating deck of left feeding, the long oscillating deck of right feeding are respectively arranged on the feeding link pin of side, in the long oscillating deck of left feeding and the right side
The other end of the long oscillating deck of feeding is connected by one end of connecting rod crank pin and connecting rod crank, and the other end of connecting rod crank is set in
On feed spool.
Another purpose of the utility model is to provide a kind of sewing machine, includes a kind of falling automatically for above-mentioned sewing machine
Stitch mechanism.
The advantage that the utility model protrudes compared with prior art is:
1, the utility model replaces the electromagnet of existing linear movement using the driving motor of rotary motion, and drive is effectively reduced
The dynamic mechanism that backstitches backstitch generated noise when movement, and uses link transmission, simple and compact for structure, stable transmission,
Long service life；
2, the utility model is according to electromagnet in the prior art and the positional relationship for backstitching shaft, the output shaft of driving motor
Axis and the axis perpendicular for backstitching shaft, so that the driving method for backstitching mechanism be avoided to change to needed for other mechanisms of sewing machine
Working space impact, and realize by universal hinging component axially different between kinematic link and swing rod one, swing rod two
Power transmission.
Detailed description of the invention:
Fig. 1 is that the utility model backstitches mechanism and fuel tank body connection structure diagram one；
Fig. 2 is that the driving of the utility model backstitches the Structure explosion diagram of shaft rotation；
Fig. 3 is the trundle perspective view of the utility model；
Fig. 4 is the kinematic link perspective view of the utility model；
Fig. 5 is that the utility model backstitches mechanism and fuel tank body connection structure diagram two；
Fig. 6 is the partial enlarged view A of Fig. 5.
In figure: 1, backstitching shaft；2, driving motor；3, swing rod one；4, kinematic link；5, swing rod two；6, oscillating bearing；7,
Trundle；8, eccentric cylinder；9, twist part；10, fuel tank body；11, feeding swings panel seat；12, the short oscillating deck of left feeding；13, right
The short oscillating deck of feeding；14, feeding connecting rod；15, eccentric cam；16, upper axis；17, the long oscillating deck of left feeding；18, the long pendulum of right feeding
Movable plate；19, connecting rod crank；20, feed spool.
Specific embodiment:
The utility model is further described with specific embodiment below, referring to Fig. 1-6:
What one of purpose of the utility model was to provide a kind of sewing machine backstitches mechanism automatically, includes rotation connection
Shaft 1 is backstitched on casing, the rotation of shaft 1 is backstitched and then drive backstitches mechanism and carries out backstitching movement, be arranged on the casing
There is driving motor 2, the output shaft of driving motor 2 is connect with one end of swing rod 1, and the other end of swing rod 1 passes through kinematic link 4
It is articulated and connected with one end of swing rod 25, the other end of swing rod 25, which is connected to, to be backstitched in shaft 1, the swing rod 1 and driving electricity
The output shaft of machine 2 vertically connects, swing rod 25 with backstitch that shaft 1 is vertical to be connect, output shaft and swing rod 1, the pendulum of driving motor 2
Bar 25 backstitches shaft 1 around the axis for backstitching shaft 1 by the driving of kinematic link 4 with the synchronous rotation of shaft 1, driving motor 2 is backstitched
Circumferential reciprocating rotation.The utility model replaces the electromagnet of existing linear movement using the driving motor 2 of rotary motion, effectively drops
Low driving backstitches mechanism and backstitch generated noise when movement, simple and compact for structure, stable transmission, long service life.
Meanwhile working space needed for other mechanisms of sewing machine is caused in order to avoid backstitching the change of the driving method of mechanism
Influence, according to electromagnet in the prior art and the positional relationship for backstitching shaft 1, the output shaft axis of the driving motor 2 with
The axis for stitching shaft 1 is vertical, and the upper and lower ends of the kinematic link 4 pass through universal hinging component and swing rod 1, swing rod two respectively
5 connections, power transmission axially different between kinematic link 4 and swing rod 1, swing rod 25 is realized by universal hinging component.
Wherein, a kind of embodiment of universal hinging component: the universal hinging component includes oscillating bearing 6 and transmission
Pin 7, oscillating bearing 6 are separately positioned on the both ends of kinematic link 4, and one end of trundle 7 is set in oscillating bearing 6, the other end
It is fixedly connected with the corresponding end of swing rod 1 or swing rod 25.Its in the present embodiment, universal hinging component use the embodiment.
Meanwhile in order to adjust the rotation amplitude for backstitching shaft 1, with achieve the purpose that backstitch mechanism adjust, it is described
Trundle 7 extends outward to form an eccentric cylinder 8 with the corresponding end wall surface that oscillating bearing 6 connects, and is provided on the end end face
Screw channel for driving trundle 7 to rotate around the axis of trundle 7, oscillating bearing 6 is set on eccentric cylinder 8, in this reality
Applying screw channel in example is flat recess.
Further, in order to improve the transmission stability of kinematic link 4 and swing rod 1, swing rod 25, optimize kinematic link 4
Structure, be consistent connection structure of the kinematic link 4 respectively with swing rod 1, swing rod 25, the middle part of the kinematic link 4
Rotation is distorted around its axis and forms a twist part 9, positioned at the axis perpendicular of the oscillating bearing 6 at 4 both ends of kinematic link.
The another embodiment of universal hinging component: the universal hinging component includes to be arranged at 4 liang of kinematic link
The hinge sphere at end is provided with and hinge ball in the corresponding end that the swing rod 1 and swing rod 25 are connect with kinematic link 4
The compatible ball cup of body.
Further, the casing includes fuel tank body 10, described in order to ensure fuel tank body 10 has sufficient oil tankage
Driving motor 2 is disposed longitudinally on the side of fuel tank body 10.
The utility model backstitches the specific embodiment of mechanism: it is described backstitch mechanism include be in U-shape structure feeding pendulum
Movable plate seat 11, the both side plate that feeding swings panel seat 11 are connected on casing by backstitching shaft 1, and feeding swings the two sides of panel seat 11
The outer end of plate passes through connecting pin respectively and is connected with the short oscillating deck 12 of left feeding, the short oscillating deck 13 of right feeding, the left short oscillating deck of feeding
12, right that the other end of short material oscillating deck is sent to be connected on feeding link pin, in the short oscillating deck 12 of left feeding, the short oscillating deck of right feeding
Feeding connecting rod 14 is provided on feeding link pin between 13, the other end of feeding connecting rod 14 is connected to by eccentric cam 15
On axis 16, backstitches shaft 1 and feeding swing panel seat 11 is driven to circumferentially rotate around the axis for backstitching shaft 1, and then pass sequentially through a left side
The short oscillating deck 12 of feeding, the short oscillating deck 13 of right feeding, feeding link pin and feeding connecting rod 14 drive upper axis 16 to be rotated.
The long oscillating deck 17 of left feeding, the long pendulum of right feeding are respectively arranged on the feeding link pin of 14 two sides of feeding connecting rod
Movable plate 18 is sold and connecting rod crank in the other end of the long oscillating deck of left feeding 17 and the long oscillating deck 18 of right feeding by connecting rod crank 19
19 one end connection, the other end of connecting rod crank 19 are set on feed spool 20.Feeding link pin is passing through 14 band of feeding connecting rod
While dynamic upper axis 16 rotates, sent by the driving of the long oscillating deck 17 of left feeding, the long oscillating deck 18 of right feeding and connecting rod crank 19
Material axis 20 is rotated backward, and then realizes the movement of falling feeding.
Another purpose of the utility model is to provide a kind of sewing machine, includes a kind of falling automatically for above-mentioned sewing machine
Stitch mechanism.
Above-described embodiment is only one of preferred embodiment of the utility model, and the implementation of the utility model is not limited with this
Range, therefore: the equivalence changes that all shape, structure, principles according to the utility model are done should all be covered by the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of sewing machine backstitches mechanism automatically, includes to be rotatably connected on casing to backstitch shaft (1), backstitch shaft
(1) it rotates and then drive backstitches mechanism and carries out backstitching movement, it is characterised in that: be provided with driving motor (2), drive on the casing
The output shaft of dynamic motor (2) is connect with one end of swing rod one (3), and the other end of swing rod one (3) passes through kinematic link (4) and swing rod
One end of two (5) is articulated and connected, and the other end of swing rod two (5), which is connected to, to be backstitched on shaft (1), the swing rod one (3) and driving
The output shaft of motor (2) vertically connects, swing rod two (5) with backstitch that shaft (1) is vertical to be connect, the output shaft of driving motor (2) with
Swing rod one (3), swing rod two (5) are rotated synchronously with shaft (1) is backstitched, and driving motor (2) is backstitched by kinematic link (4) driving to be turned
Axis (1) is around the axis circumferential direction reciprocating rotation for backstitching shaft (1).
2. a kind of sewing machine according to claim 1 backstitches mechanism automatically, it is characterised in that: the driving motor (2)
Output shaft axis it is vertical with the axis for backstitching shaft (1), the upper and lower ends of the kinematic link (4) pass through universal hinging respectively
Component is connect with swing rod one (3), swing rod two (5).
3. a kind of sewing machine according to claim 2 backstitches mechanism automatically, it is characterised in that: the universal hinging component
It include oscillating bearing (6) and trundle (7), oscillating bearing (6) is separately positioned on the both ends of kinematic link (4), trundle (7)
One end be set in oscillating bearing (6), the other end is fixedly connected with the corresponding end of swing rod one (3) or swing rod two (5).
4. a kind of sewing machine according to claim 3 backstitches mechanism automatically, it is characterised in that: the trundle (7) with
The correspondence end wall surface of oscillating bearing (6) connection extends outward to form an eccentric cylinder (8), and is provided on the end end face for band
The screw channel that dynamic trundle (7) are rotated around the axis of trundle (7), oscillating bearing (6) are set on eccentric cylinder (8).
5. a kind of sewing machine according to claim 3 backstitches mechanism automatically, it is characterised in that: the kinematic link (4)
Middle part around its axis distort rotation formed a twist part (9), be located at kinematic link (4) both ends oscillating bearing (6) axis
It is perpendicular.
6. a kind of sewing machine according to claim 2 backstitches mechanism automatically, it is characterised in that: the universal hinging component
It include hinge sphere of the setting at kinematic link (4) both ends, the swing rod one (3) and swing rod two (5) and kinematic link (4)
Ball cup compatible with hinge sphere is provided in the corresponding end of connection.
7. a kind of sewing machine described according to claim 1 or 2 or 3 or 6 backstitches mechanism automatically, it is characterised in that: the machine
Shell includes fuel tank body (10), and the driving motor (2) is disposed longitudinally on the side of fuel tank body (10).
8. a kind of sewing machine according to claim 1 or 2 backstitches mechanism automatically, it is characterised in that: described to backstitch mechanism
Include be in U-shape structure feeding swing panel seat (11), feeding swing panel seat (11) both side plate by backstitch shaft (1) connection
On casing, the outer end that feeding swings the both side plate of panel seat (11) passes through connecting pin respectively and is connected with the short oscillating deck of left feeding
(12), the short oscillating deck of right feeding (13), the left short oscillating deck of feeding (12), the right side send the other end of short material oscillating deck to be connected to feeding company
On lever pin, feeding company is provided on the feeding link pin between the short oscillating deck of left feeding (12), the short oscillating deck of right feeding (13)
The other end of bar (14), feeding connecting rod (14) is connected on axis (16) by eccentric cam (15), is located at feeding connecting rod (14)
The long oscillating deck of left feeding (17), the long oscillating deck of right feeding (18) are respectively arranged on the feeding link pin of two sides, it is long in left feeding
The one end of the other end of oscillating deck (17) and the long oscillating deck of right feeding (18) by connecting rod crank (19) pin with connecting rod crank (19)
Connection, the other end of connecting rod crank (19) are set on feed spool (20).
9. a kind of sewing machine, it is characterised in that: include a kind of backstitching automatically for the described in any item sewing machines of claim 1-8
Mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213545.9U CN209619638U (en) | 2019-02-19 | 2019-02-19 | A kind of sewing machine and its mechanism is backstitched automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213545.9U CN209619638U (en) | 2019-02-19 | 2019-02-19 | A kind of sewing machine and its mechanism is backstitched automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209619638U true CN209619638U (en) | 2019-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920213545.9U Expired - Fee Related CN209619638U (en) | 2019-02-19 | 2019-02-19 | A kind of sewing machine and its mechanism is backstitched automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209619638U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118752A (en) * | 2020-02-25 | 2020-05-08 | 杰克缝纫机股份有限公司 | Sewing machine |
-
2019
- 2019-02-19 CN CN201920213545.9U patent/CN209619638U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118752A (en) * | 2020-02-25 | 2020-05-08 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN111118752B (en) * | 2020-02-25 | 2021-10-15 | 杰克缝纫机股份有限公司 | Sewing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20220219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |