CN107904801A - A kind of differential adjustment frame and differential attachment - Google Patents
A kind of differential adjustment frame and differential attachment Download PDFInfo
- Publication number
- CN107904801A CN107904801A CN201711267490.1A CN201711267490A CN107904801A CN 107904801 A CN107904801 A CN 107904801A CN 201711267490 A CN201711267490 A CN 201711267490A CN 107904801 A CN107904801 A CN 107904801A
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- CN
- China
- Prior art keywords
- differential
- crank
- slide bar
- arc slide
- spacer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/14—Devices for changing speed or for reversing direction of rotation
- D05B69/16—Devices for changing speed or for reversing direction of rotation mechanical
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention belongs to sewing machine technique field, refers in particular to a kind of differential adjustment frame and differential attachment；Including the spacer for being set on differential shaft, differential crank and differential arc slide bar are respectively arranged with the both ends of spacer, differential crank and differential arc slide bar can be by rotating the angle adjusted between differential crank and differential arc slide bar around the axis of spacer；For the present invention by the differential adjustment frame optimization design of integral structure in the prior art into split structure, each External Shape is regular, easy to process；The differential crank of differential adjustment frame and differential arc slide bar are two mutually independent parts, angle between differential crank and differential arc slide bar can be adjusted, and adjust simple, fast and easy, for different clothes, sewing performance can be improved by adjusting angle, particularly elastic larger cloth, sewing efficiency can be made more preferably by reducing the distance between feeding tooth and differential tooth.
Description
Technical field：
The invention belongs to sewing machine technique field, refers in particular to a kind of differential adjustment frame and differential attachment.
Background technology：
The differential attachment of existing flat seaming machine, power are mainly transferred to the differential crank 1 of differential adjustment frame by cloth feeding crank
On, so as to promote to swing back and forth before and after differential adjustment frame, difference is changed by height of the adjusting slider on differential arc slide bar 2
The movement locus of dynamic tooth.
At present, differential crank 1 is an integral structure with differential arc slide bar 2.It is used to connect work feed song on its differential crank 1
The axis (A) of the mounting hole 3 of handle, the axis (O) of differential shaft, differential arc slide bar 2 the center of circle (B) line formed angle ∠
AOB is changeless.Therefore, when sewing different clothes, it is necessary to replace the differential adjustment with corresponding angle (∠ AOB)
Frame, dismounting inconvenience.In addition, the part of integral structure, also with difficulty of processing it is high the defects of.
The content of the invention：
The object of the present invention is to provide angle between a kind of easy to process, differential crank of adjusting and differential arc slide bar is convenient
With the differential adjustment frame and differential attachment of the sewing suitable for different clothes.
What the present invention was realized in：
One of purpose of the present invention is to provide a kind of differential adjustment frame, including for be set on differential shaft every
Set, differential crank and differential arc slide bar is respectively arranged with the both ends of spacer, differential crank can pass through with differential arc slide bar
The angle adjusted between differential crank and differential arc slide bar is rotated around the axis of spacer.
In a kind of above-mentioned differential adjustment frame, the differential crank is respectively sleeved at the two of spacer with differential arc slide bar
End, the folder realized between differential crank and differential arc slide bar is rotated by differential crank or/and differential arc slide bar around spacer
The adjustment at angle, differential crank are fixed by screws on spacer with differential arc slide bar.
In a kind of above-mentioned differential adjustment frame, the differential crank, the both ends of the surface of the differential adjacent spacer of arc slide bar are set
Put, be both provided with the differential axis hole for installing differential shaft on the differential crank and differential arc slide bar, differential crank with it is poor
Connected between dynamic arc slide bar by eccentric structure, rotate any one in differential crank, differential arc slide bar, eccentric structure
Realize the adjustment of the angle between differential crank and differential arc slide bar.
In a kind of above-mentioned differential adjustment frame, the eccentric structure includes eccentric bushing and cam pin, on differential crank
Eccentric bushing mounting hole is provided with, bias is set in eccentric bushing mounting hole, and eccentric orfice is provided with eccentric bushing, in differential arc
Cam pin mounting hole is provided with shape slide bar, one end of cam pin is arranged in cam pin mounting hole, and the eccentric segment of cam pin is inserted
It is located in the eccentric orfice of eccentric bushing, the eccentric bushing is fixed on differential crank by screw.
It is a further object to provide a kind of differential attachment, includes cloth pushing shaft, and cloth pushing shaft passes through cloth feeding crank
It is connected with the differential crank of differential adjustment frame, differential crank is connected by work feed connecting rod with feed dog frame, the difference of differential adjustment frame
Dynamic arc slide bar is connected by sliding block mounted thereto with differential cloth-feeding connecting rod, and differential cloth-feeding connecting rod is connected to differential retainer
On, differential adjustment frame is installed on differential shaft, and the differential adjustment frame includes the spacer being set on differential shaft, the two of spacer
End is respectively arranged with differential crank and differential arc slide bar, and differential crank is rotated with differential arc slide bar by the axis around spacer
Adjust the angle between differential crank and differential arc slide bar.
In a kind of above-mentioned differential attachment, the differential crank is respectively sleeved at the two of spacer with differential arc slide bar
End, the folder realized between differential crank and differential arc slide bar is rotated by differential crank or/and differential arc slide bar around spacer
The adjustment at angle, differential crank are fixed by screws on spacer with differential arc slide bar.
In a kind of above-mentioned differential attachment, on casing with for fixing differential crank or/and differential arc slide bar
Screw correspondence position is provided with the adjustment hole that can supply instrument insertion dismounting screw.
In a kind of above-mentioned differential attachment, the differential crank, the both ends of the surface of the differential adjacent spacer of arc slide bar are set,
Be provided with the differential axis hole for passing through for differential shaft on the differential crank and differential arc slide bar, spacer, differential crank with
Differential arc slide bar is installed on differential shaft, is connected between differential crank and differential arc slide bar by eccentric structure, difference in rotation
Any one moved in crank, differential arc slide bar, eccentric structure realizes the angle between differential crank and differential arc slide bar
Adjustment.
In a kind of above-mentioned differential attachment, the eccentric structure includes eccentric bushing and cam pin, is set on differential crank
Eccentric bushing mounting hole is equipped with, bias is set in eccentric bushing mounting hole, and eccentric orfice is provided with eccentric bushing, in differential arc
Cam pin mounting hole is provided with slide bar, one end of cam pin is arranged in cam pin mounting hole, and the eccentric segment of cam pin plugs
In the eccentric orfice of eccentric bushing, the eccentric bushing is fixed on differential crank by screw.
The present invention compared with prior art protrude the advantages of be：
The present invention is by the differential adjustment frame optimization design of integral structure in the prior art into split structure, each part
Neat appearance, it is easy to process；The differential crank of differential adjustment frame and differential arc slide bar are two mutually independent parts, differential
Angle between crank and differential arc slide bar can be adjusted, and adjust it is simple, fast and easy, can be with for different clothes
Sewing performance is improved by adjusting angle, particularly the larger cloth of elasticity, reduce the distance between feeding tooth and differential tooth
It can make sewing efficiency more preferably.
Brief description of the drawings：
Fig. 1 is the schematic perspective view of the differential adjustment frame of background technology；
Fig. 2 is the right view of the differential adjustment frame of background technology；
Fig. 3 is the stereogram of the one of embodiment of differential adjustment frame of the present invention；
Fig. 4 is the exploded perspective view of the one of embodiment of differential adjustment frame of the present invention；
Fig. 5 is the schematic diagram of another structure of the differential arc slide bar of the present invention；
Fig. 6 is the right view of the one of embodiment of differential adjustment frame of the present invention；
Fig. 7 is the stereogram of another embodiment of differential adjustment frame of the present invention；
Fig. 8 is the exploded perspective view of another embodiment of differential adjustment frame of the present invention；
Fig. 9 is the schematic diagram of the differential adjustment frame of the present invention；
Figure 10 is the schematic diagram of the differential attachment of the present invention；
Figure 11 is the Principles of Regulation figure of the present invention.
In figure：1st, differential crank；2nd, differential arc slide bar；3rd, mounting hole；10th, spacer；11st, differential crank；12nd, differential arc
Shape slide bar；13rd, mounting hole；14th, spacer hole one；15th, spacer hole two；16th, screw；17th, soket head cap screw；18th, differential axis hole；
19th, eccentric bushing；20th, cam pin；21st, eccentric bushing mounting hole；22nd, eccentric orfice；23rd, cam pin mounting hole；24th, eccentric segment；25th, send
Cloth beam；26th, cloth feeding crank；27th, work feed connecting rod；28th, feed dog frame；29th, feed dog；30th, sliding block；31st, differential cloth-feeding connecting rod；
32nd, differential retainer；33rd, differential tooth；34th, differential shaft；35th, square set；36th, than fork；37th, differential connecting rod；38th, main shaft.
Embodiment：
With specific embodiment, the invention will be further described below, referring to Fig. 3-11：
One of purpose of the present invention is to provide a kind of differential adjustment frame, including the spacer for being set on differential shaft
10, differential crank 11 and differential arc slide bar 12 are respectively arranged with the both ends of spacer 10, differential crank 11 is slided with differential arc
Bar 12 can be by rotating the angle adjusted between differential crank 11 and differential arc slide bar 12 around the axis of spacer 10.Wherein, it is poor
The mounting hole 13 for connecting cloth feeding crank is provided with dynamic crank 11.
The present invention is directed to different clothes, is carried by adjusting the angle between differential crank 11 and differential arc slide bar 12
High sewing performance.Angle between wherein differential crank 11 and differential arc slide bar 12 refers to send for connection on differential crank 11
The axis (A) of the mounting hole 13 of cloth crank, the axis (O) of differential shaft, differential arc slide bar 12 the center of circle (B) line formed
Angle ∠ AOB.
Specifically, as seen in figures 3-6, the one of which structure as differential adjustment frame of the present invention, it is described differential
Crank 11 is respectively sleeved at the both ends of spacer 10 with differential arc slide bar 12, passes through differential crank 11 or/and differential arc slide bar
12 rotate the adjustment for realizing angle between differential crank 11 and differential arc slide bar 12 around spacer 10, differential crank 11 with it is differential
Arc slide bar 12 is fixed by screws on spacer 10.
The control to the distance between differential crank 11 and differential arc slide bar 12, spacer 10 of the invention are for convenience
One step axle sleeve, the diameter for installing differential crank 11 and the both ends of differential arc slide bar 12 are less than the diameter at middle part.
Wherein, differential crank 11, spacer hole for installing spacer 10 is both provided with differential arc slide bar 12, be respectively
Spacer hole 1, spacer hole 2 15.It is provided with differential crank 11 and spacer hole one is radially set and connected along spacer hole 1
14 opening, the opening is also along the corresponding two sides for axially penetrating through differential crank 11 in spacer hole 1.By through opening
Screw 16 differential crank 11 is fixed on spacer 10.The differential arc slide bar 12 by more than one along mounting hole radially
Differential arc slide bar 12 is fixed on spacer 10 by the soket head cap screw 17 of setting.The differential arc slide bar 12 can also use
Same structure is fixed on spacer 10 with differential crank 11, as shown in Figure 5.
Before assembling, first differential crank 11, spacer 10, differential arc slide bar 12 are prepared, then installed to sewing machine.Difference
The spacer 10 that swings by of dynamic crank 11 drives differential arc slide bar 12 to swing together, so that overall swing around differential shaft.
The adjusting method of the present embodiment mode is as follows：
Screw 16 is unscrewed using allen wrench or soket head cap screw 17, rotation main shaft or the differential tooth of promotion can change
Angle between transformer differential crank 11 and differential arc slide bar 12, after the completion of adjustment, then by the screw 16 unscrewed before or interior six
Angle screw 17 is tightened, and is adjusted simple and convenient.
As Figure 7-9, another structure as differential adjustment frame of the present invention, it is the differential crank 11, differential
The both ends of the surface of the adjacent spacer 10 of arc slide bar 12 are set, and spacer 10 is defined between differential crank 11, differential arc slide bar 12
Distance.The differential crank 11 is with being provided with the differential axis hole 18 for installing differential shaft on differential arc slide bar 12, after installation,
Differential crank 11 and 12 axis collinear of differential axis hole 18, differential shaft 11 and spacer on differential arc slide bar 12.Differential crank 11
It is connected between differential arc slide bar 12 by eccentric structure, differential crank 11 is fixed by screws on differential shaft.Difference in rotation
Any one in dynamic crank 11, differential arc slide bar 12, eccentric structure realize differential crank 11 and differential arc slide bar 12 it
Between angle adjustment.
Further, the eccentric structure includes eccentric bushing 19 and cam pin 20, and bias is provided with differential crank 11
Mounting hole 21 is covered, eccentric bushing 19 is arranged in eccentric bushing mounting hole 21, eccentric orfice 22 is provided with eccentric bushing 19, in differential arc
Cam pin mounting hole 23 is provided with shape slide bar 12, one end of cam pin 20 is arranged in cam pin mounting hole 23, cam pin 20
Eccentric segment 24 be plugged in the eccentric orfice 22 of eccentric bushing 19, the eccentric bushing 19 is fixed on differential crank 11 by screw.
The regulative mode of present embodiment is as follows：
Unscrew the screw of fixed differential crank 11 and eccentric bushing 19, as can be known from Fig. 9, by rotating differential crank 11, poor
Any of dynamic arc slide bar 12, eccentric bushing 19, cam pin 20 part can change differential crank 11 and differential arc slide bar
Angle between 12, after angular adjustment is good, by the screw-driving on differential crank 11.
The differential shaft of the present invention only serves the effect of support.When differential adjustment frame is swung, differential shaft will not be with differential
Adjustment frame is swung.
In addition, the eccentric structure can also be single cam pin or cam pin.Such as：It is provided with differential crank 11
Cam pin spliced eye, after the eccentric bushing 19 in the position and said structure of the cam pin spliced eye is installed on differential crank 11,
The position of eccentric orfice 22 on eccentric bushing 19 is identical, and cam pin mounting hole, cam pin 20 are provided with differential arc slide bar 12
One end be arranged in cam pin mounting hole, the eccentric segment 24 of cam pin 20 is plugged in the cam pin spliced eye of differential crank 11
It is interior.During adjusting, any one rotated in differential crank 11, differential arc slide bar 12, cam pin 20 realizes differential 11 and of crank
The adjustment of angle between differential arc slide bar 12.
It can also be：Integrally formed with latch on differential arc slide bar 12, in the position and said structure of the latch
The position of eccentric segment 24 of the cam pin 20 after differential arc slide bar 12 is identical.Eccentric bushing is provided with differential crank 11
Mounting hole, eccentric bushing 19 are arranged in eccentric bushing mounting hole 21, and eccentric orfice 22, differential arc slide bar are provided with eccentric bushing 19
12 latch is plugged in the eccentric orfice 22 of eccentric bushing 19.During adjusting, differential crank 11, differential arc slide bar 12, bias are rotated
Any one covered in 19 realizes the adjustment of the angle between differential crank 11 and differential arc slide bar 12.
It is a further object to provide a kind of differential attachment, includes cloth pushing shaft 25, and cloth pushing shaft 25 passes through work feed
Crank 26 is connected with the differential crank 11 of differential adjustment frame, and differential crank 11 is connected by work feed connecting rod 27 with feed dog frame 28,
Feed dog 29 is provided with feed dog frame 28, the differential arc slide bar 12 of differential adjustment frame passes through sliding block 30 mounted thereto
It is connected with differential cloth-feeding connecting rod 31, differential cloth-feeding connecting rod 31 is connected on differential retainer 32, is provided with differential retainer 32 differential
Tooth 33, differential adjustment frame are installed on differential shaft 34, and square set 35 is provided with the sliding block 30, and square set 35 is arranged on than fork 36
In mounting groove, and square set 35, than fork 36 also have differential connecting rods 37 connect, than pitch 36 lower parts fork fork is located at outside differential shaft 34.
The differential adjustment frame includes being used for the spacer 10 being set on differential shaft 34, and differential song is respectively arranged with the both ends of spacer 10
Handle 11 and differential arc slide bar 12, differential crank 11 are differential by rotating adjusting around the axis of spacer 10 with differential arc slide bar 12
Angle between crank 11 and differential arc slide bar 12.Wherein, the peace for connecting cloth feeding crank is provided with differential crank 11
Fill hole 13.
Angle between wherein differential crank 11 and differential arc slide bar 12 refers to be used to connect work feed on differential crank 11
The axis (A) of the mounting hole 13 of crank, the axis (O) of differential shaft 34, differential arc slide bar 12 the center of circle (B) line formed
Angle ∠ AOB.
The present invention can adjust feed dog by the adjustment of the angle between differential crank 11 and differential arc slide bar 12
29th, the distance between differential tooth 33, can better adapt to the sewing of different clothes, particularly the larger cloth of elasticity, reduce
The distance between feed dog 29 and differential tooth 33 can make sewing efficiency more preferably；It can also make tooth always situated in needle plate slot
Between, adjust simple, fast and easy.
As shown in figure 11,38 eccentric eccentric with feeding for the lift tooth on main shaft in figure, 11 be differential crank, and 12 be differential arc
Shape slide bar, 33 be differential tooth, in the case where all 38 is motionless, by adjusting between differential crank 11 and differential arc slide bar 12
Angle [alpha], it is possible to change the front and back position of differential tooth 33, change feed dog 29 and differential 33 longitudinal separation of tooth so as to reach,
So as to lift the work feed performance of tooth.
Specifically, as seen in figures 3-6, the one of which structure as differential adjustment frame of the present invention, it is described differential
Crank 11 is respectively sleeved at the both ends of spacer 10 with differential arc slide bar 12, passes through differential crank 11 or/and differential arc slide bar
12 rotate the adjustment for realizing angle between differential crank 11 and differential arc slide bar 12 around spacer 10, differential crank 11 with it is differential
Arc slide bar 12 is fixed by screws on spacer 10.
Differential crank 11 and differential arc slide bar 12 and the mounting structure of spacer 10 and the embodiment of above-mentioned differential adjustment frame
Structure it is identical.
For the convenience of adjusting, set for the screw correspondence position for fixing differential crank 11 or/and differential arc slide bar 12
The adjustment hole of instrument insertion dismounting screw can be supplied by having.During adjusting, by instrument stretch into adjusting screw it is elastic can in drive it is differential
Axis 11 or differential arc slide bar 12 rotate.Rear window panel of the prior art is eliminated, it is seldom to the strength reduction of casing.
The adjusting method of the present embodiment mode is as follows：
Screw is unscrewed using allen wrench or soket head cap screw, rotation main shaft or the differential tooth 33 of promotion can change
Angle between differential crank 11 and differential arc slide bar 12, after the completion of adjustment, then the screw-driving that will unscrew before, adjust
Save simple and convenient.
As Figure 7-9, another structure as differential adjustment frame of the present invention, it is the differential crank 11, differential
The both ends of the surface of the adjacent spacer 10 of arc slide bar 12 are set, and the differential crank 11 is used to pacify with being provided with differential arc slide bar 12
The differential axis hole 18 of differential shaft 34 is filled, after installation, differential crank 11 and the differential axis hole 18 on differential arc slide bar 12, differential shaft
11 and 12 axis collinear of spacer.Connected between differential crank 11 and differential arc slide bar 12 by eccentric structure, rotate differential song
Any one in handle 11, differential arc slide bar 12, eccentric structure is realized between differential crank 11 and differential arc slide bar 12
The adjustment of angle.
The eccentric structure includes eccentric bushing 19 and cam pin 20, and eccentric bushing mounting hole is provided with differential crank 11
21, eccentric bushing 19 is arranged in eccentric bushing mounting hole 21, and eccentric orfice 22 is provided with eccentric bushing 19, in differential arc slide bar 12
On be provided with cam pin mounting hole 23, one end of cam pin 20 is arranged in cam pin mounting hole 23, the eccentric segment of cam pin 20
24 are plugged in the eccentric orfice 22 of eccentric bushing 19, and the eccentric bushing 19 is fixed on differential crank 11 by screw.
The regulative mode of present embodiment is as follows：
Unscrew the screw of fixed differential crank 11 and eccentric bushing 19, as can be known from Fig. 9, by rotating differential crank 11, poor
Any of dynamic arc slide bar 12, eccentric bushing 19, cam pin 20 part can change differential crank 11 and differential arc slide bar
Angle between 12, after angular adjustment is good, by the screw-driving on differential crank 11.
The regulative mode of present embodiment is as follows：
Unscrew the screw of fixed differential crank 11 and eccentric bushing 19, as can be known from Fig. 9, by rotating differential crank 11, poor
Any of dynamic arc slide bar 12, eccentric bushing 19, cam pin 20 part can change differential crank 11 and differential arc slide bar
Angle between 12, after angular adjustment is good, by the screw-driving on differential crank 11.
Other schemes of eccentric structure in this differential attachment and other scheme phases of the eccentric structure in differential adjustment frame
Together.
By adjusting eccentric bushing 19, cam pin 20 is when making tooth (feed dog 29, differential tooth 33) horizontal, of the prior art
Feed dog 29,33 occasional of differential tooth are partial to the front and rear side of needle plate slot, and the structure of the present invention, can be by adjusting differential song
Angle between handle 11 and differential arc slide bar 12, make tooth always situated in needle plate slot among, it is easy to adjust.
Above-described embodiment is only one of presently preferred embodiments of the present invention, and but not intended to limit the scope of the present invention, therefore：
The equivalence changes that all shapes under this invention, structure, principle are done, should all be covered by within protection scope of the present invention.
Claims (9)
- A kind of 1. differential adjustment frame, it is characterised in that：Including the spacer (10) for being set on differential shaft, in spacer (10) Both ends are respectively arranged with differential crank (11) and differential arc slide bar (12), differential crank (11) and differential arc slide bar (12) energy By rotating the angle adjusted between differential crank (11) and differential arc slide bar (12) around the axis of spacer (10).
- A kind of 2. differential adjustment frame according to claim 1, it is characterised in that：The differential crank (11) and differential arc Slide bar (12) is respectively sleeved at the both ends of spacer (10), by differential crank (11) or/and differential arc slide bar (12) around spacer (10) rotate the adjustment for realizing angle between differential crank (11) and differential arc slide bar (12), differential crank (11) with it is differential Arc slide bar (12) is fixed by screws on spacer (10).
- A kind of 3. differential adjustment frame according to claim 1, it is characterised in that：The differential crank (11), differential arc The both ends of the surface of slide bar (12) adjacent spacer (10) are set, and the differential crank (11) on differential arc slide bar (12) with being both provided with For installing the differential axis hole (18) of differential shaft, connected between differential crank (11) and differential arc slide bar (12) by eccentric structure Connect, any one rotated in differential crank (11), differential arc slide bar (12), eccentric structure realizes differential crank (11) and poor The adjustment of angle between dynamic arc slide bar (12).
- A kind of 4. differential adjustment frame according to claim 3, it is characterised in that：The eccentric structure includes eccentric bushing (19) With cam pin (20), eccentric bushing mounting hole (21) is provided with differential crank (11), eccentric bushing (19) is arranged on eccentric bushing peace Fill hole (21), it is interior, eccentric orfice (22) is provided with eccentric bushing (19), cam pin peace is provided with differential arc slide bar (12) Fill hole (23), one end of cam pin (20) is arranged in cam pin mounting hole (23), and the eccentric segment (24) of cam pin (20) plugs (in 22, the eccentric bushing (19) is fixed on differential crank (11) eccentric orfice in eccentric bushing (19) by screw.
- 5. a kind of differential attachment, includes cloth pushing shaft (25), cloth pushing shaft (25) passes through cloth feeding crank (26) and differential adjusting bracket Differential crank (11) connection, differential crank (11) are connected by work feed connecting rod (27) with feed dog frame (28), differential adjusting bracket Differential arc slide bar (12) is connected by sliding block (30) mounted thereto with differential cloth-feeding connecting rod (31), differential cloth-feeding connecting rod (31) it is connected on differential retainer (32), differential adjusting bracket is installed on differential shaft, it is characterised in that：The differential adjusting bracket bag The spacer (10) being set on differential shaft is included, differential crank (11) is respectively arranged with the both ends of spacer (10) and is slided with differential arc Bar (12), differential crank (11) adjust differential crank (11) with differential arc slide bar (12) by being rotated around the axis of spacer (10) With the angle between differential arc slide bar (12).
- A kind of 6. differential attachment according to claim 5, it is characterised in that：The differential crank (11) slides with differential arc Bar (12) is respectively sleeved at the both ends of spacer (10), by differential crank (11) or/and differential arc slide bar (12) around spacer (10) rotate the adjustment for realizing angle between differential crank (11) and differential arc slide bar (12), differential crank (11) with it is differential Arc slide bar (12) is fixed by screws on spacer (10).
- A kind of 7. differential attachment according to claim 6, it is characterised in that：On casing differential crank is fixed with being used for (11) or/and differential arc slide bar (12) screw correspondence position be provided with can supply instrument insertion dismounting screw adjustment hole.
- A kind of 8. differential attachment according to claim 5, it is characterised in that：The differential crank (11), differential arc are slided The both ends of the surface of bar (12) adjacent spacer (10) are set, and the differential crank (11) is used for being provided with differential arc slide bar (12) The differential axis hole passed through for differential shaft, spacer (10), differential crank (11) and differential arc slide bar (12) are installed on differential shaft, It is connected between differential crank (11) and differential arc slide bar (12) by eccentric structure, rotates differential crank (11), differential arc Any one in slide bar (12), eccentric structure realizes the tune of the angle between differential crank (11) and differential arc slide bar (12) It is whole.
- A kind of 9. differential attachment according to claim 8, it is characterised in that：The eccentric structure includes eccentric bushing and bias Pin, is provided with eccentric bushing mounting hole, bias is set in eccentric bushing mounting hole, is set on eccentric bushing on differential crank (11) Eccentric orfice is equipped with, cam pin mounting hole is provided with differential arc slide bar (12), one end of cam pin is arranged on cam pin peace Fill in hole, the eccentric segment of cam pin is plugged in the eccentric orfice of eccentric bushing, and the eccentric bushing is fixed on differential crank by screw (11) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711267490.1A CN107904801B (en) | 2017-12-05 | 2017-12-05 | Differential adjusting frame and differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711267490.1A CN107904801B (en) | 2017-12-05 | 2017-12-05 | Differential adjusting frame and differential mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107904801A true CN107904801A (en) | 2018-04-13 |
| CN107904801B CN107904801B (en) | 2020-08-04 |
Family
ID=61854584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711267490.1A Active CN107904801B (en) | 2017-12-05 | 2017-12-05 | Differential adjusting frame and differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107904801B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3178831U (en) * | 2012-07-20 | 2012-10-04 | 石淵 徐 | Sewing machine feed mechanism |
| CN106012321A (en) * | 2016-08-03 | 2016-10-12 | 杰克缝纫机股份有限公司 | Differential cloth-feed adjusting structure and sewing machine |
| CN106012337A (en) * | 2016-08-03 | 2016-10-12 | 杰克缝纫机股份有限公司 | Stitch length and differential regulating mechanism and sewing machine |
| CN206070126U (en) * | 2016-09-27 | 2017-04-05 | 浙江中捷缝纫科技有限公司 | A kind of differential governor motion |
| CN106988031A (en) * | 2017-06-02 | 2017-07-28 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
-
2017
- 2017-12-05 CN CN201711267490.1A patent/CN107904801B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3178831U (en) * | 2012-07-20 | 2012-10-04 | 石淵 徐 | Sewing machine feed mechanism |
| CN106012321A (en) * | 2016-08-03 | 2016-10-12 | 杰克缝纫机股份有限公司 | Differential cloth-feed adjusting structure and sewing machine |
| CN106012337A (en) * | 2016-08-03 | 2016-10-12 | 杰克缝纫机股份有限公司 | Stitch length and differential regulating mechanism and sewing machine |
| CN206070126U (en) * | 2016-09-27 | 2017-04-05 | 浙江中捷缝纫科技有限公司 | A kind of differential governor motion |
| CN106988031A (en) * | 2017-06-02 | 2017-07-28 | 杰克缝纫机股份有限公司 | A kind of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107904801B (en) | 2020-08-04 |
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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. |
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