CN105734849A - Stitch length adjusting mechanism of lockstitch sewing machine - Google Patents
Stitch length adjusting mechanism of lockstitch sewing machine Download PDFInfo
- Publication number
- CN105734849A CN105734849A CN201610270568.4A CN201610270568A CN105734849A CN 105734849 A CN105734849 A CN 105734849A CN 201610270568 A CN201610270568 A CN 201610270568A CN 105734849 A CN105734849 A CN 105734849A
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- China
- Prior art keywords
- needle gage
- stud
- rocking bar
- regulates
- banking stop
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a stitch length adjusting mechanism of a lockstitch sewing machine. The stitch length adjusting mechanism comprises a first rocking bar, a rotating shaft fixed axially is arranged at one end of the first rocking bar, the other end of the first rocking bar is in hinge joint with one end of a backstitch connecting rod and one end of a connecting structure, the other end of the connecting structure is in hinge joint with a stitch length adjusting block, the stitch length adjusting block is controlled to move and be fixed by a stitch length adjusting portion, one end, far away from the first rocking bar, of the backstitch connecting rod is in hinge joint with one end of a swing seat, the other end of the swing seat drives a feeding shaft to rotate around an axis, and the rotating shaft fixed in position is arranged in the middle of the swing seat. The stitch length adjusting mechanism of the lockstitch sewing machine has the advantages that the stitch length adjusting mechanism is compact in structure and capable of achieving large-stitch-length adjustment according to the principle; on the premise that stitch length adjusting and bar-tacking functions of an existing lockstitch sewing machine are unaffected, noise during bar-tacking is reduced greatly; an existing adjuster can be removed after the stitch length adjusting mechanism is applied, a housing is simpler, cost is reduced, a sewing environment is improved to a certain degree and sewing experience is optimized.
Description
Technical field
The present invention relates to a kind of flat seam machine needle gage governor motion.
Background technology
Existing flat seam machine needle gage governor motion is realized by stud push rod and cam link, in order to facilitate the operation of people, realizing electromagnet when automatically refunding seam (namely reinforcing seam), the formula that can collide between cam and push rod contacts, thus producing obvious noise.
It is an object of the invention to wish that banning stud push rod adds the mechanism of cam link, thus solving the ubiquitous problem refunding seam impact sound sound equipment of current flat seam machine, reducing cost, the adjustment of needle gage can be realized, electric magnet can be realized again and reinforce seam, and greatly reduce noise.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of flat seam machine needle gage governor motion, automatically refunds, for solving existing flat seam machine, the problem that during seam, noise is big.
For achieving the above object and other relevant purposes, the present invention provides a kind of flat seam machine needle gage governor motion, it includes the first rocking bar, one end of first rocking bar is provided with the rotation axle that axis is fixing, the other end of the first rocking bar and the one end backstitching connecting rod, one end of attachment structure is hinged, the other end of attachment structure is hinged with needle gage regulating block, needle gage regulating block moves under the control in needle gage adjustment portion and fixes, backstitch the hinged away from one end of the first rocking bar and one end of swing seat of connecting rod, the other end of swing seat drives feed spool to be rotated about axis, the middle part of swing seat is provided with the rotation axle that position is fixing.
Preferably, attachment structure includes connecting rod, the second rocking bar, and one end of connecting rod is hinged with the one end backstitching rod hinge connection with the first rocking bar, and the other end of connecting rod and one end of the second rocking bar are hinged, and the other end of the second rocking bar is hinged with needle gage regulating block.
Preferably, attachment structure includes bracing wire, and the two ends of bracing wire are hinged with the one end backstitching rod hinge connection with needle gage regulating block, the first rocking bar respectively.
Preferably, needle gage regulating block is positioned at slide block chute can along slide block slide and fix under the control in needle gage adjustment portion, the needle gage that needle gage adjustment portion includes threadeding with needle gage regulating block regulates stud, one end away from needle gage regulating block of needle gage adjustment stud is fixing with needle gage bidding quotation to be connected, needle gage regulates the axis of stud and parallels with the glide direction of needle gage regulating block, needle gage bidding quotation drives needle gage to regulate stud and is rotated about axis, needle gage regulates and is cased with stop collar on stud, and stop collar restriction needle gage regulates stud movement in the axial direction.
Further preferably, needle gage regulates the side face of stud and is provided with two defining flanges, and stop collar is stuck between two defining flanges, stop collar and casing secure fit, and needle gage regulates stud and is rotated about axis in stop collar.
Further preferably, stop collar and needle gage regulate and are provided with sealing ring between stud.
Further preferably, needle gage regulates and is also cased with needle gage banking stop on stud, needle gage banking stop is provided with mean for the through hole of needle gage spacer pin traverse, needle gage bidding quotation is provided with multiple spacing hole towards the one side of needle gage banking stop, needle gage spacer pin includes the restriction section of inserting paragraph and the side being positioned at needle gage banking stop needle gage bidding quotation dorsad inserting in spacing hole after needle gage banking stop, and the diameter of restriction section is more than the diameter of inserting paragraph.
Further preferred, needle gage spacer pin is provided with spacer pin spring away from the end of needle gage banking stop, and one end of spacer pin spring is connected with the end of needle gage spacer pin, and the position of the other end of spacer pin spring is fixed.
Further preferred, needle gage regulates and is also cased with banking stop spring on stud, and banking stop spring is positioned at the side of needle gage banking stop needle gage bidding quotation dorsad, and one end of banking stop spring is pressed on needle gage banking stop, and the position of the other end of banking stop spring is fixed.
Preferably, needle gage adjustment portion includes feeding and regulates stud, and feeding is regulated one end of stud and is connected by axle head screw with needle gage regulating block, and the other end of feeding adjustment stud is fixing with needle gage bidding quotation to be connected, and feeding regulates outer peripheral face and the casing threaded engagement of stud.
As it has been described above, flat seam machine needle gage governor motion of the present invention, have the advantages that
This flat seam machine needle gage governor motion, it is provided that a kind of novel flat seam machine needle gage regulative mode, compact conformation, uses this principle can realize the adjustment of big needle distance；Ensureing that existing flat seam machine needle gage regulates and reinforces under the impregnable premise of function of seam, substantially reduce noise when reinforcing seam；Can removing existing actuator after using this mechanism, casing is also more succinct, reduces cost, improves sewing environment to a certain extent, optimizes sewing and experiences.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of the first embodiment of flat seam machine needle gage governor motion of the present invention.
Fig. 2 is shown as the structural representation of the flat seam machine needle gage governor motion shown in Fig. 1.
Fig. 3 is shown as the sectional view of the flat seam machine needle gage governor motion shown in Fig. 1.
Fig. 4 is shown as the transmission schematic diagram of the flat seam machine needle gage governor motion shown in Fig. 1.
Fig. 5 is shown as the structural representation of the second embodiment of the attachment structure of flat seam machine needle gage governor motion of the present invention.
Fig. 6 to Fig. 7 is shown as the structural representation of the second embodiment in the needle gage adjustment portion of flat seam machine needle gage governor motion of the present invention.
Element numbers explanation
1 first rocking bar
2 connecting rods
3 backstitch connecting rod
4 second rocking bars
5 needle gage regulating blocks
6 slide block chutes
7 swing seats
8 feed spools
9 needle gages regulate stud
91 defining flanges
10 needle gage bidding quotations
101 spacing holes
11 stop collars
12 sealing rings
13 needle gage banking stops
131 through holes
14 needle gage spacer pins
141 inserting paragraphs
142 restriction sections
15 spacer pin springs
16 banking stop springs
The 17 short oscillating decks of feeding
The 18 long oscillating decks of feeding
19 feeding cranks
20 cam pins
21 chute fixed blocks
The 22 left pins of swing seat
The 23 right pins of swing seat
24 connecting pins
25 bracing wires
26 feedings regulate stud
27 axle head screws
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art the content disclosed by this specification can understand other advantages and effect of the present invention easily.
Refer to Fig. 1 to Fig. 7.Notice, the structure of this specification institute accompanying drawings depicted, ratio, size etc., all only in order to coordinate the disclosed content of description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of the present invention, therefore do not have technical essential meaning, the adjustment of the modification of any structure, the change of proportionate relationship or size, under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still drop in the scope that disclosed technology contents can be contained.Simultaneously, in this specification cited as " on ", D score, "left", "right", " centre " and " one " etc. term, it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figures 1 to 7, the present invention provides a kind of flat seam machine needle gage governor motion, it includes the first rocking bar 1, one end of first rocking bar 1 is provided with the rotation axle that axis is fixing, the other end of the first rocking bar 1 and the one end backstitching connecting rod 3, one end of attachment structure is hinged, the other end of attachment structure is hinged with needle gage regulating block 5, needle gage regulating block 5 moves under the control in needle gage adjustment portion and fixes, backstitch the hinged away from one end of the first rocking bar 1 and one end of swing seat 7 of connecting rod 3, the other end of swing seat 7 drives feed spool 8 to be rotated about axis, the middle part of swing seat 7 is provided with the rotation axle that position is fixing.Wherein, slide block chute 6 is arranged on chute fixed block 21, and chute fixed block 21 and casing are relatively fixed.
As shown in Figure 4, adjustment by the position of needle gage regulating block 5, change the attachment structure position near one end of needle gage regulating block 5, thus changing the first rocking bar 1, attachment structure, the kinematic parameter kinematic parameter of DCEF linkage (namely change) that backstitches between connecting rod 3, the pivot angle making the swing seat 7 (i.e. AB bar) hinged with backstitching connecting rod 3 changes, and swing seat 7 drives feed spool 8 to rotate, it is achieved that the adjustment of needle gage.This needle gage governor motion, the adjustment of big needle distance can be realized, and realize needle gage adjustment by the variation of needle gage regulating block 5 position, needle gage will not produce the noise of part collision when regulating, simple for structure compact, ensureing that existing flat seam machine needle gage regulates and reinforces under the impregnable premise of function of seam, substantially reduce noise when reinforcing seam.
Attachment structure in the flat seam machine needle gage governor motion of the present invention has two kinds of embodiments.
The first embodiment is as shown in Figure 1 to Figure 3, attachment structure includes connecting rod the 2, second rocking bar 4, one end of connecting rod 2 and the first rocking bar 1 one end hinged with backstitching connecting rod 3 is hinged, and the other end of connecting rod 2 and one end of the second rocking bar 4 are hinged, and the other end of the second rocking bar 4 and needle gage regulating block 5 are hinged.Now, the first rocking bar 1 and connecting rod 2, to backstitch connecting rod 3 hinged by cam pin 20.Refund the spacing of seam to be realized by two limit collinear positions backstitching connecting rod 3 and the second rocking bar 4, and can realize just backstitching the correspondence of needle gage.
The second embodiment is as it is shown in figure 5, attachment structure includes bracing wire 25, and hinged with backstitching connecting rod 3 with needle gage regulating block the 5, first rocking bar 1 respectively one end, the two ends of bracing wire 25 is hinged.This structure substitutes connecting rod the 2, second rocking bar 4 in the first embodiment by bracing wire 25, because when just stitching and backstitching state, connecting rod the 2, second rocking bar 4 is all in coUinear state, therefore also can complete the whole process just backstitching switching with a bracing wire 25, and play spacing effect.
As shown in Figures 1 to 5, a kind of detailed description of the invention in needle gage adjustment portion is as follows.
Needle gage regulating block 5 is positioned at slide block chute 6 and can slide along slide block chute 6 under the control in needle gage adjustment portion and fix, the needle gage that needle gage adjustment portion includes threadeding with needle gage regulating block 5 regulates stud 9, one end away from needle gage regulating block 5 of needle gage adjustment stud 9 is fixing with needle gage bidding quotation 10 to be connected, needle gage regulates the axis of stud 9 and parallels with the glide direction of needle gage regulating block 5, needle gage bidding quotation 10 drives needle gage to regulate stud 9 and is rotated about axis, needle gage regulates and is cased with stop collar 11 on stud 9, and stop collar 11 limits needle gage and regulates stud 9 movement in the axial direction.Needle gage bidding quotation 10 drives needle gage to regulate stud 9 and is rotated about axis, limited owing to needle gage regulates stud 9 movement in axial direction, therefore needle gage regulating block 5 regulates when stud 9 rotates can slide along slide block chute 6 at needle gage, thus changing the first rocking bar 1, attachment structure, the kinematic parameter that backstitches between connecting rod 3, the pivot angle of the swing seat 7 hinged with backstitching connecting rod 3 is made to change.
Stop collar 11 realizes restriction needle gage by following structure and regulates the function that stud 9 in axial direction moves.Needle gage regulates the side face of stud 9 and is provided with two defining flanges 91, and stop collar 11 is stuck between two defining flanges 91, stop collar 11 and casing secure fit, and needle gage regulates stud 9 and is rotated about axis in stop collar 11.Wherein, stop collar 11 and needle gage regulate and are additionally provided with sealing ring 12 between stud 9.
When not needing needle gage bidding quotation 10 and rotating, the locking of needle gage bidding quotation 10 is by needle gage banking stop 13, needle gage spacer pin 14 realizes, concrete structure is as shown in Figure 3, needle gage regulates and is also cased with needle gage banking stop 13 on stud 9, needle gage banking stop 13 is provided with mean for the through hole 131 of needle gage spacer pin 14 traverse, needle gage bidding quotation 10 is provided with multiple spacing hole 101 towards the one side of needle gage banking stop 13, needle gage spacer pin 14 includes the restriction section 142 of the inserting paragraph 141 and side being positioned at needle gage banking stop 13 needle gage bidding quotation 10 dorsad inserting in spacing hole 101 after needle gage banking stop 13, the diameter of restriction section 142 is more than the diameter of inserting paragraph 141.When not needing needle gage bidding quotation 10 and rotating, the inserting paragraph 141 of needle gage spacer pin 14 is arranged in the spacing hole 101 of needle gage bidding quotation 10, and now, needle gage bidding quotation 10 can not rotate；And when needing to rotate needle gage bidding quotation 10, needle gage banking stop 13 is pressed to the direction away from needle gage bidding quotation 10, makes the inserting paragraph 141 of needle gage spacer pin 14 depart from the spacing hole 101 of needle gage bidding quotation 10, needle gage bidding quotation 10 is that is free to rotate.
In order to ensure that needle gage spacer pin 14 can pin needle gage bidding quotation 10 when not by external force, needle gage spacer pin 14 is provided with spacer pin spring 15 away from the end of needle gage banking stop 13, one end of spacer pin spring 15 is connected with the end of needle gage spacer pin 14, and the position of the other end of spacer pin spring 15 is fixed.So, spacer pin spring 15 can give the pressure that needle gage spacer pin 14 is lasting, make needle gage spacer pin 14 can pin needle gage bidding quotation 10 when not by external force, and after needle gage bidding quotation 10 is rotate in place, unclamping needle gage banking stop 13, needle gage spacer pin 14 also can return back to the state inserting spacing hole 101 under the effect of spacer pin spring 15.
Needle gage regulates and is also cased with banking stop spring 16 on stud 9, and banking stop spring 16 is positioned at the side of needle gage banking stop 13 needle gage bidding quotation 10 dorsad, and one end of banking stop spring 16 is pressed on needle gage banking stop 13, and the position of the other end of banking stop spring 16 is fixed.The effect of banking stop spring 16 is when needle gage banking stop 13 is not by external force, needle gage banking stop 13 is located close to the extreme position of needle gage bidding quotation 10, the inserting paragraph 141 of needle gage spacer pin 14 is inserted in the spacing hole 101 of needle gage bidding quotation 10, and needle gage bidding quotation 10 is in the lock state.Meanwhile, being forced away from needle gage bidding quotation 10 at needle gage banking stop 13, needle gage bidding quotation 10 unclamps needle gage banking stop 13 after rotating, and needle gage banking stop 13 can return back to the extreme position near needle gage bidding quotation 10 under the effect of banking stop spring 16, and locking pin is from bidding quotation 10 again.
As shown in Figure 6 to 7, the another kind of detailed description of the invention in needle gage adjustment portion is as follows.
Needle gage adjustment portion includes feeding and regulates stud 26, feeding is regulated one end of stud 26 and is connected by axle head screw 27 with needle gage regulating block 5, the other end of feeding adjustment stud 26 is fixing with needle gage bidding quotation 10 to be connected, and feeding regulates outer peripheral face and the casing threaded engagement of stud 26.
Under this embodiment, needle gage bidding quotation 10 drives feeding to regulate the rotation of stud 26, owing to feeding regulates stud 26 and casing threaded engagement, such feeding regulates stud 26 and moves along axis in casing, thus driving the movement of needle gage regulating block 5, change the first rocking bar 1, attachment structure, the kinematic parameter that backstitches between connecting rod 3, make the pivot angle of the swing seat 7 hinged with backstitching connecting rod 3 change.
As shown in Figure 1 to Figure 3, swing seat 7 is as follows with the concrete structure that feed spool 8 is connected.Swing seat 7 is hinged away from one end of one end Yu the short oscillating deck of feeding 17 of backstitching connecting rod 3, the other end of the short oscillating deck of feeding 17 is hinged with one end of the long oscillating deck of feeding 18, the other end of the long oscillating deck of feeding 18 is hinged with one end of feeding crank 19, and the other end of feeding crank 19 is fixing with feed spool 8 to be connected.Wherein, the axle that rotates of swing seat 7 is made up of the left pin of swing seat 22 and the right pin 23 of swing seat being fixed on swing seat 7 both sides, swing seat 7 is U-shaped, the quantity of the short oscillating deck 17 of feeding is two, the quantity of the long oscillating deck 18 of feeding is also two, the short oscillating deck 17 of feeding, the long oscillating deck of feeding 18 is respectively positioned in the U-shaped space of swing seat 7, two long oscillating decks of feeding 18 are between two short oscillating decks 17 of feeding, two long oscillating decks 18 of feeding, two short oscillating decks of feeding 17 are hinged by a connecting pin run through 24, and feeding crank 19 is also simultaneously hinged with two feeding long oscillating decks 18 between two long oscillating decks of feeding 18.
Above-mentioned flat seam machine needle gage governor motion, realize needle gage by the movement of needle gage regulating block 5 to regulate, needle gage will not produce the noise of part collision when regulating, simple for structure compact, ensureing that existing flat seam machine needle gage regulates and reinforces under the impregnable premise of function of seam, substantially reduce noise when reinforcing seam.
In sum, flat seam machine needle gage governor motion of the present invention, it is provided that a kind of novel flat seam machine needle gage regulative mode, compact conformation, uses this principle can realize the adjustment of big needle distance；Ensureing that existing flat seam machine needle gage regulates and reinforces under the impregnable premise of function of seam, substantially reduce noise when reinforcing seam；Can removing existing actuator after using this mechanism, casing is also more succinct, reduces cost, improves sewing environment to a certain extent, optimizes sewing and experiences.So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
Above-described embodiment is illustrative principles of the invention and effect thereof only, not for the restriction present invention.Above-described embodiment all under the spirit and category of the present invention, can be modified or change by any those skilled in the art.Therefore, art has usually intellectual such as modifying without departing from all equivalences completed under disclosed spirit and technological thought or change, must be contained by the claim of the present invention.
Claims (10)
1. a flat seam machine needle gage governor motion, it is characterized in that: it includes the first rocking bar (1), one end of described first rocking bar (1) is provided with the rotation axle that axis is fixing, the other end of described first rocking bar (1) and the one end backstitching connecting rod (3), one end of attachment structure is hinged, the other end of described attachment structure is hinged with needle gage regulating block (5), described needle gage regulating block (5) is moved under the control in needle gage adjustment portion and fixes, one end of described one end away from the first rocking bar (1) backstitching connecting rod (3) and swing seat (7) is hinged, the other end of described swing seat (7) drives feed spool (8) to be rotated about axis, the middle part of described swing seat (7) is provided with the rotation axle that position is fixing.
2. flat seam machine needle gage governor motion according to claim 1, it is characterized in that: described attachment structure includes connecting rod (2), the second rocking bar (4), one end that one end of described connecting rod (2) and described first rocking bar (1) are hinged with backstitching connecting rod (3) is hinged, the other end of described connecting rod (2) is hinged with one end of described second rocking bar (4), and the other end of described second rocking bar (4) is hinged with described needle gage regulating block (5).
3. flat seam machine needle gage governor motion according to claim 1, it is characterized in that: described attachment structure includes bracing wire (25), hinged with backstitching connecting rod (3) with described needle gage regulating block (5), described first rocking bar (1) respectively one end, the two ends of described bracing wire (25) is hinged.
null4. flat seam machine needle gage governor motion according to claim 1，It is characterized in that: described needle gage regulating block (5) is positioned at slide block chute (6) and can slide along described slide block chute (6) and fix under the control in needle gage adjustment portion，The needle gage that described needle gage adjustment portion includes threadeding with described needle gage regulating block (5) regulates stud (9)，One end away from needle gage regulating block (5) of described needle gage adjustment stud (9) is fixing with needle gage bidding quotation (10) to be connected，Described needle gage regulates the axis of stud (9) and parallels with the glide direction of described needle gage regulating block (5)，Described needle gage bidding quotation (10) drives described needle gage to regulate stud (9) and is rotated about axis，Described needle gage regulates and is cased with stop collar (11) on stud (9)，Described stop collar (11) limits described needle gage and regulates stud (9) movement in the axial direction.
5. flat seam machine needle gage governor motion according to claim 4, it is characterized in that: described needle gage regulates the side face of stud (9) and is provided with two defining flanges (91), described stop collar (11) is stuck between said two defining flange (91), described stop collar (11) and casing secure fit, described needle gage regulates stud (9) and is rotated about axis in described stop collar (11).
6. the flat seam machine needle gage governor motion according to claim 4 or 5, it is characterised in that: described stop collar (11) and described needle gage regulate and are provided with sealing ring (12) between stud (9).
7. the flat seam machine needle gage governor motion according to claim 4 or 5, it is characterized in that: described needle gage regulates and is also cased with needle gage banking stop (13) on stud (9), described needle gage banking stop (13) is provided with mean for the through hole (131) of needle gage spacer pin (14) traverse, described needle gage bidding quotation (10) is provided with multiple spacing hole (101) towards the one side of needle gage banking stop (13), described needle gage spacer pin (14) includes the inserting paragraph (141) inserting in spacing hole (101) afterwards through needle gage banking stop (13) and the restriction section (142) being positioned at described needle gage banking stop (13) side of needle gage bidding quotation (10) dorsad, the diameter of described restriction section (142) is more than the diameter of described inserting paragraph (141).
8. flat seam machine needle gage governor motion according to claim 7, it is characterized in that: described needle gage spacer pin (14) is provided with spacer pin spring (15) away from the end of needle gage banking stop (13), one end of described spacer pin spring (15) is connected with the end of described needle gage spacer pin (14), and the position of the other end of described spacer pin spring (15) is fixed.
9. flat seam machine needle gage governor motion according to claim 7, it is characterized in that: described needle gage regulates and is also cased with banking stop spring (16) on stud (9), described banking stop spring (16) is positioned at the side of described needle gage banking stop (13) needle gage bidding quotation (10) dorsad, one end of described banking stop spring (16) is pressed on described needle gage banking stop (13), and the position of the other end of described banking stop spring (16) is fixed.
10. flat seam machine needle gage governor motion according to claim 1, it is characterized in that: described needle gage adjustment portion includes feeding and regulates stud (26), described feeding is regulated one end of stud (26) and is connected by axle head screw (27) with described needle gage regulating block (5), the other end of described feeding adjustment stud (26) is fixing with needle gage bidding quotation (10) to be connected, and described feeding regulates outer peripheral face and the casing threaded engagement of stud (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610270568.4A CN105734849B (en) | 2016-04-27 | 2016-04-27 | Flush joint needle pitch regulating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610270568.4A CN105734849B (en) | 2016-04-27 | 2016-04-27 | Flush joint needle pitch regulating mechanism |
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| CN105734849A true CN105734849A (en) | 2016-07-06 |
| CN105734849B CN105734849B (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610270568.4A Active CN105734849B (en) | 2016-04-27 | 2016-04-27 | Flush joint needle pitch regulating mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109097914A (en) * | 2018-10-30 | 2018-12-28 | 杰克缝纫机股份有限公司 | A kind of needle gage regulating mechanism of flat seam machine |
| CN109518364A (en) * | 2019-01-14 | 2019-03-26 | 安徽杰羽制鞋机械科技有限公司 | A kind of needle gage of sewing machine adjusts and falls automatically feeding structure |
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|---|---|
| CN105734849B (en) | 2019-03-01 |
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