CN209957999U - Cloth feeding adjusting mechanism of sewing machine - Google Patents
Cloth feeding adjusting mechanism of sewing machine Download PDFInfo
- Publication number
- CN209957999U CN209957999U CN201821937998.8U CN201821937998U CN209957999U CN 209957999 U CN209957999 U CN 209957999U CN 201821937998 U CN201821937998 U CN 201821937998U CN 209957999 U CN209957999 U CN 209957999U
- Authority
- CN
- China
- Prior art keywords
- cloth feeding
- shaft
- connecting rod
- eccentric wheel
- crank
- 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.)
- Withdrawn - After Issue
Links
- 239000004744 fabric Substances 0.000 title claims abstract description 121
- 238000009958 sewing Methods 0.000 title claims abstract description 29
- 238000004080 punching Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000207948 Barleria prionitis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Images
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a sewing machine's work feed guiding mechanism, including main shaft, work feed axle, go up work feed dental articulator and go up the work feed tooth, still include work feed axle crank, go up work feed connecting rod crank axle and cup joint the work feed adjustment subassembly at main epaxial work feed, it cup joints through the rotation of middle shaft hole to go up work feed axle crank on the work feed connecting rod crank axle, work feed adjustment subassembly includes the work feed connecting rod, work feed connecting rod one end pass through the connecting rod shaft hole rotate cup joint in the main shaft is outside, the other end rotate connect in go up work feed axle crank, work feed adjustment subassembly still including opening the needle button, fixed cup joint epaxial eccentric wheel, the locating gear of opening the needle that cup joints at main epaxial eccentric wheel, the eccentric wheel of opening the needle, slide positioning tooth piece. The utility model adopts the upper cloth feeding shaft crank, so that the structure is simpler, the operation is more stable, the abrasion of parts is slower, the service life is long, and the noise generated when the machine works is smaller; the utility model discloses control is simple, the regulation is convenient.
Description
Technical Field
The utility model belongs to the technical field of weaving equipment, in particular to sewing machine's work feed guiding mechanism.
Background
Sewing machines typically include a feed adjustment mechanism for adjusting the stitch length. In the prior art, adjustment is usually performed according to the size of the fabric and the shaft speed of the needle opening positioning wheel, the structure is too complex, the adjustment is inconvenient, the precision is poor, the friction force of parts in the working engineering is large, the service life is short, and large noise can be generated.
The utility model discloses an application number is 201820120925.3's utility model patent, discloses a sewing machine's work feed adjusting device, including first work feed mechanism, second work feed mechanism, swing piece, axle rotation driving piece, biax gangbar, seam apart from adjustment subassembly and drive link, seam apart from adjustment subassembly to include calibrated scale, trigger and pendulum rod, the trigger just forms the outside at the pedestal through revolving the goods of furniture for display rather than for use cross-under calibrated scale, and wherein it will be through revolving goods of furniture for display rather than for use, pendulum rod and biax antithetical couplet are established to the trigger
The moving rod changes the position of the sliding block in the guide groove, so that the back-and-forth movement stroke of the first cloth feeding tooth and the second cloth feeding tooth can be synchronously adjusted; therefore, the convenience of the seam distance adjustment is greatly improved. However, the device is a large simplified integral structure and is prone to wear and failure during operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewing machine's work feed guiding mechanism, simple structure, adjustment convenience, operation are stable, the part is difficult for wearing and tearing, long service life, produce the noise little.
In order to realize the purpose, the technical scheme of the utility model is that: a cloth feeding adjusting mechanism of a sewing machine comprises a main shaft, an upper cloth feeding shaft parallel to the main shaft, an upper cloth feeding tooth frame arranged on the upper cloth feeding shaft, an upper cloth feeding tooth arranged on the upper cloth feeding tooth frame, an upper cloth feeding shaft crank and a cloth feeding adjusting assembly sleeved on the main shaft, wherein the upper cloth feeding shaft crank comprises a tooth frame shaft arm and an adjusting shaft arm which are fixedly connected with each other, the upper cloth feeding shaft crank is rotatably connected with an upper cloth feeding connecting rod crank shaft through a shaft hole formed in the joint of the tooth frame shaft arm and the adjusting shaft arm, the upper cloth feeding connecting rod crank shaft is arranged on a sewing machine shell, the tooth frame shaft arm is connected with the upper cloth feeding shaft through a transmission crank assembly, the cloth feeding adjusting assembly comprises a cloth feeding connecting rod, one end of the cloth feeding connecting rod is rotatably sleeved outside the main shaft through a connecting rod shaft hole, the other end of the cloth feeding connecting rod is rotatably connected with the adjusting shaft arm, and the cloth feeding adjusting assembly further comprises a needle opening button, a needle opening button and a, The needle punching positioning wheel and the positioning gear are fixedly sleeved on the main shaft, the eccentric wheel, the needle punching eccentric wheel and the sliding positioning toothed sheet are rotatably sleeved on the main shaft, the needle punching eccentric wheel is fixedly arranged on one side of the cloth feeding connecting rod and extends towards the cloth feeding connecting rod to form an inner shaft sleeve, a gap is reserved between the inner shaft sleeve and the connecting rod shaft hole of the cloth feeding connecting rod, the eccentric wheel is sleeved in the gap, an eccentric small shaft is arranged in the axial direction of the needle punching positioning wheel far away from the central shaft of the needle punching positioning wheel, the eccentric small shaft is rotatably arranged on the eccentric wheel, a sliding groove in the same sliding direction as the needle punching button is formed in the end surface of the needle punching eccentric wheel relative to the cloth feeding connecting rod, the sliding positioning toothed sheet is slidably arranged in the sliding groove, and a limiting tooth meshed with the positioning gear is arranged at one end part of the sliding positioning toothed sheet in the sliding, the end part of the needle opening button is close to one end, far away from the limiting teeth, of the sliding positioning tooth piece.
The needle opening button is pressed to push the sliding positioning tooth piece to slide in the sliding groove on the needle opening eccentric wheel, so that the limiting teeth and the positioning gear are disengaged.
Preferably, the transmission crank assembly comprises a connecting crank and a cloth feeding connecting rod crank, one end of the cloth feeding connecting rod crank is fixedly sleeved on the upper cloth feeding shaft, the other end of the cloth feeding connecting rod crank is connected with the connecting crank in a rotating mode through a connecting crank shaft pin, the other end of the connecting crank is connected with the tooth frame shaft arm of the upper cloth feeding shaft crank in a rotating mode through the cloth feeding connecting rod crank shaft pin, the structure enables the upper cloth feeding shaft to rotate more smoothly, and the upper cloth feeding teeth can run more smoothly and stably.
The technical scheme of the utility model among, go up the work feed axle, go up work feed connecting rod crank axle and main shaft and all rotate and install in sewing machine's casing, except rotating, can not carry out the displacement of other directions, when using, the main shaft rotates, drives the division needle locating wheel rotates, the division needle locating wheel drives the eccentric wheel and drives the eccentric wheel through eccentric staff and do eccentric rotation, through the cooperation in eccentric wheel, division needle eccentric wheel and connecting rod shaft hole, the work feed connecting rod makes the unchangeable up-and-down reciprocating motion of distance, and then makes the work feed tooth realize the work feed through work feed connecting rod crank.
Preferably, the cloth feeding adjusting assembly further comprises a positioning torsion spring, one end of the positioning torsion spring is fixedly installed on the needle punching eccentric wheel, the other end of the positioning torsion spring is arranged in a groove formed in the side face of one end of the sliding positioning tooth piece limiting tooth, the positioning torsion spring enables the sliding positioning tooth piece to slide outwards, and the limiting tooth and the positioning gear are enabled to keep a meshed state.
The technical principle of the utility model is that: the sliding positioning toothed sheet is matched with the positioning gear, when the needle punching button does not press the sliding positioning toothed sheet, the positioning torsion spring enables the limiting teeth on the sliding positioning toothed sheet to be tightly meshed with the positioning gear, at the moment, the needle punching eccentric wheel cannot rotate relative to the main shaft, the eccentric amount of the needle punching eccentric wheel and the eccentric wheel cannot be adjusted, when the eccentric amount of the needle punching eccentric wheel and the eccentric wheel needs to be adjusted, the limiting teeth on the sliding positioning toothed sheet are disengaged from the positioning gear by pressing the needle punching button, the needle punching eccentric wheel and the cloth feeding connecting rod can rotate around the main shaft, at the moment, the main shaft rotates to drive the eccentric wheel to rotate, so that the eccentric amount between the needle punching eccentric wheel and the eccentric wheel is adjusted, the swing radian of the cloth feeding connecting rod crank and the cloth feeding connecting rod is changed, namely, the stroke of the upper cloth feeding tooth is adjusted.
Preferably, the eccentric wheel is provided with a small eccentric wheel hole, the small eccentric wheel is rotatably mounted inside the small eccentric wheel, an eccentric small shaft hole which is the same as the small eccentric wheel in axial direction is formed in the position, away from the central axis of the small eccentric wheel, and the eccentric small shaft is rotatably mounted in the eccentric small shaft hole.
Preferably, the thickness of a gap between the inner shaft sleeve and the connecting rod shaft hole of the cloth feeding connecting rod is uneven, namely, the connecting rod shaft hole of the inner shaft sleeve is eccentrically arranged, so that the cloth feeding connecting rod can swing more smoothly.
Preferably, a needle opening button sleeve for installing the needle opening button is arranged on a shell of the sewing machine, so that the needle opening button sleeve is convenient to install and maintain.
Preferably, an upper cloth feeding tooth rack bushing is arranged between the upper cloth feeding tooth rack and the upper cloth feeding shaft, so that the upper cloth feeding tooth rack and the upper cloth feeding shaft are more stably installed, and looseness or damage is avoided.
Preferably, the main shaft is mounted in a housing of the sewing machine through a bearing, so that the rotation is more smoothly and stably.
Preferably, a limit screw is arranged on the positioning gear in the circumferential direction, two protruding portions are arranged on two sides of the sliding groove on the needle opening eccentric wheel, the limit screw is located between the two protruding portions, and the limit screw is matched with the protruding portions to form a rotation adjusting angle of the needle opening eccentric wheel.
Preferably, one of the bosses may be used to mount the positioning torsion spring.
In the technical scheme of the utility model, except the special explanation, it is pivot and shaft hole cooperation connection to rotate to connect.
The beneficial effects of the utility model are that:
1. the upper cloth feeding shaft crank is adopted, so that the structure is simpler, the operation is more stable, the abrasion of parts is slower, the service life is long, and the noise generated when the machine works is smaller;
2. the cloth feeding connecting rod is provided with an eccentric wheel, a small eccentric wheel and a needle opening eccentric wheel, so that the swinging of the cloth feeding connecting rod is smoother and more stable;
3. the sliding positioning toothed sheet and the positioning gear are adopted, the needle opening button is used for controlling, and the positioning torsion spring is arranged, so that the fixing effect is good, the looseness is not easy to occur, and the control is convenient and labor-saving;
4. the positioning screw is matched with the two convex parts, so that the angle adjustment is facilitated.
Drawings
Fig. 1 is an assembly view of an embodiment of the present invention.
Fig. 2 is an exploded view of the structure of the embodiment of the present invention.
Fig. 3 is a schematic structural view of a cloth feeding link according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of the slide positioning blade according to the embodiment of the present invention.
Fig. 5 is a schematic structural view of an upper cloth feeding shaft crank according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of the small eccentric wheel of the embodiment of the present invention.
The items in the figure are respectively: 1 upper feed dog, 2 upper feed dog, 3 upper feed dog bush, 4 upper feed shaft, 5 connecting crank shaft pin, 6 connecting crank, 7 feed connecting rod crank, 8 upper feed shaft crank, 9 feed connecting rod crank shaft pin, 10 feed connecting rod, 11 bearing, 12 needle punching positioning wheel, 13 small eccentric wheel, 14 eccentric wheel, 15 needle punching eccentric wheel, 16 sliding positioning tooth piece, 17 positioning gear, 18 upper feed connecting rod crank shaft, 19 needle punching button sleeve, 20 needle punching button, 21 main shaft, 22 casing, 23 dog shaft arm, 24 adjusting shaft arm, 25 connecting rod shaft hole, 26 inner shaft sleeve, 27 gap, 28 eccentric small shaft, 29 chute, 30 limiting tooth, 31 positioning torsion spring, 32 groove, 33 small eccentric wheel hole, 34 eccentric small shaft hole, 35 limiting screw and 36 bulge.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the following embodiments and accompanying drawings. It should be noted that, in the solution of this embodiment, the rotation connection is a shaft pin and shaft hole connection.
As shown in fig. 1 ~ 5, a cloth feeding adjustment mechanism of a sewing machine comprises a main shaft 21, an upper cloth feeding shaft parallel to the main shaft 21, an upper cloth feeding dental frame 2 mounted on the upper cloth feeding shaft 4, an upper cloth feeding tooth 1 mounted on the upper cloth feeding dental frame 2, an upper cloth feeding shaft crank 8 and a cloth feeding adjustment assembly sleeved on the main shaft 21, wherein the upper cloth feeding shaft crank 8 comprises a dental frame shaft arm 23 and an adjustment shaft arm 24 fixedly connected with each other, the upper cloth feeding shaft crank 8 is rotatably connected with an upper cloth feeding connecting rod crank shaft 18 through a shaft hole formed at the connection of the dental frame shaft arm 23 and the adjustment shaft arm 24, the upper cloth feeding connecting rod crank shaft 18 is mounted on a machine shell 22 of the sewing machine, the dental frame shaft arm 23 is connected with the upper cloth feeding shaft 4 through a transmission crank assembly, the cloth feeding adjustment assembly comprises a cloth feeding connecting rod 10, one end of the cloth feeding connecting rod 10 is rotatably sleeved on the outside of the main shaft 21 through a connecting rod shaft hole 25, the other end of the cloth feeding connecting rod 10 is rotatably connected to the adjusting assembly 24 through a small needle positioning eccentric wheel 14, a sliding gap between the eccentric wheel 14 and the eccentric wheel 14 is formed on the eccentric wheel 14, the eccentric wheel 14 is provided with a small needle positioning pin 14, the eccentric wheel 16 is mounted on the eccentric wheel 14, the eccentric wheel 16, the eccentric wheel 14, the eccentric wheel 16 is mounted on the eccentric wheel 14, the eccentric wheel 14 is mounted on the eccentric wheel 14, the eccentric wheel 14 is provided with a small needle positioning mechanism, the eccentric wheel 14.
The sliding positioning tooth piece 16 can be pushed to slide in the sliding groove 29 on the needle opening eccentric wheel 15 by pressing the needle opening button 20, so that the limiting tooth 30 is disengaged from the positioning gear 17.
In this embodiment, the transmission crank assembly is including connecting crank 6 and work feed connecting rod crank 7, work feed connecting rod crank 7 one end is fixed to be cup jointed on last work feed axle 4, and the other end rotates through connecting crank pivot 5 and connects connect crank 6, connect the crank 6 other end and rotate through work feed connecting rod crank pivot 9 and connect work feed axle crank 8 dental articulator beam arm 23, this kind of structure enables the rotation of last work feed axle 4 more smooth, makes the operation of last work feed tooth 1 more smooth steady.
In the technical scheme of the embodiment, the upper cloth feeding shaft 4, the upper cloth feeding connecting rod crankshaft 18 and the main shaft 21 are rotatably installed in a shell 22 of the sewing machine, and can not perform displacement in other directions except rotation, when in use, the main shaft 21 rotates to drive the open needle positioning wheel 12 to rotate, the open needle positioning wheel 12 drives the eccentric wheel 14 to drive the eccentric wheel 14 to perform eccentric rotation through the eccentric small shaft 28, the cloth feeding connecting rod 10 performs vertical reciprocating motion with a constant distance through the matching of the eccentric wheel 14, the open needle eccentric wheel 15 and the connecting rod shaft hole 25, and then the upper cloth feeding tooth 1 is enabled to realize cloth feeding through the cloth feeding connecting rod crank 7.
As shown in fig. 4, the cloth feeding adjustment assembly further includes a positioning torsion spring 31, one end of the positioning torsion spring 31 is fixedly installed on the needle punching eccentric wheel 15, the other end of the positioning torsion spring 31 is disposed in a groove 32 formed on a side surface of one end of the limiting tooth 30 of the sliding positioning tooth piece 16, and the positioning torsion spring 31 enables the sliding positioning tooth piece 16 to slide outwards, so that the limiting tooth 30 and the positioning gear 17 keep a meshed state.
The technical principle of the embodiment is as follows: the sliding positioning toothed plate 16 is matched with the positioning gear 17, when the needle opening button 20 does not press the sliding positioning toothed plate 16, the positioning torsion spring 31 enables the limiting teeth 30 on the sliding positioning toothed plate 16 to be tightly meshed with the positioning gear 17, at the moment, the needle opening eccentric wheel 15 cannot rotate relative to the main shaft 21, the eccentric amount of the needle opening eccentric wheel 15 and the eccentric wheel 14 cannot be adjusted, when the eccentric amount of the needle opening eccentric wheel 15 and the eccentric wheel 14 needs to be adjusted, the limiting teeth 30 on the sliding positioning toothed plate 16 are disengaged from the positioning gear 17 by pressing the needle opening button 20, the needle opening eccentric wheel 15 and the cloth feeding connecting rod 10 can rotate around the main shaft 21, at the moment, the eccentric wheel 14 is driven to rotate by rotating the main shaft 21, so that the eccentric amount between the needle opening eccentric wheel 15 and the eccentric wheel 14 is adjusted, the swing radian of the cloth feeding connecting rod crank 7 and the cloth feeding connecting rod 10 is changed, namely the stroke of the, the adjustment of the gap distance is realized.
As shown in fig. 5, a small eccentric wheel hole 33 is formed in the eccentric wheel 14, the small eccentric wheel 34 is installed in the eccentric wheel, an eccentric small shaft hole 34 having the same axial direction as the small eccentric wheel 34 is formed in the position, away from the central axis of the small eccentric wheel 34, and the eccentric small shaft 28 is installed in the eccentric small shaft hole 34 in a rotating manner.
As shown in fig. 3, the thickness of the gap 27 between the inner hub 26 and the link shaft hole 25 of the cloth feeding link 10 is not uniform, that is, the inner hub 26 and the link shaft hole 25 are eccentrically disposed, so that the swing of the cloth feeding link 10 is smoother.
In the present embodiment, as shown in fig. 2, the sewing machine casing 22 is provided with the needle opening button sleeve 19 for installing the needle opening button 20, so as to facilitate installation and maintenance. An upper cloth feeding tooth frame lining 3 is arranged between the upper cloth feeding tooth frame 2 and the upper cloth feeding shaft 4, so that the upper cloth feeding tooth frame 2 and the upper cloth feeding shaft 4 are more stably installed, and looseness or damage is avoided. The main shaft 21 is installed in a housing 22 of the sewing machine through a bearing 11, so that the rotation is more smoothly and stably.
As shown in fig. 3, a limit screw 35 is circumferentially arranged on the positioning gear 17, two protrusions 36 are arranged on two sides of the sliding slot 29 on the needle opening eccentric wheel 15, the limit screw 35 is located between the two protrusions 36, and the limit screw 35 is matched with the protrusions 36 to form a rotation adjustment angle of the needle opening eccentric wheel 15.
Wherein one of the protrusions 36 can be used to mount the positioning torsion spring 31.
Claims (10)
1. The utility model provides a sewing machine's work feed guiding mechanism, includes main shaft (21), upper feed axle (4) parallel with main shaft (21), last work feed dental articulator (2) of installation on upper feed axle (4), last work feed tooth (1) of installation on last work feed dental articulator (2), its characterized in that: the cloth feeding mechanism is characterized by further comprising an upper cloth feeding shaft crank (8) and a cloth feeding adjusting assembly sleeved on the main shaft (21), wherein the upper cloth feeding shaft crank (8) comprises a tooth frame shaft arm (23) and an adjusting shaft arm (24) which are fixedly connected with each other, the tooth frame shaft arm (23) is connected with the upper cloth feeding shaft (4) through a transmission crank assembly, the cloth feeding adjusting assembly comprises a cloth feeding connecting rod (10), one end of the cloth feeding connecting rod (10) is rotatably sleeved outside the main shaft (21) through a connecting rod shaft hole (25), the other end of the cloth feeding connecting rod is rotatably connected with the adjusting shaft arm (24), the cloth feeding adjusting assembly further comprises a needle opening button (20) which is arranged on the machine shell (22) and can slide along the axial direction, a needle opening positioning wheel (12) on the main shaft (21), a positioning gear (17) and an eccentric wheel (14), a needle opening positioning wheel (15) and an eccentric wheel (17) which are rotatably sleeved, The cloth feeding device comprises a sliding positioning toothed sheet (16), an open needle eccentric wheel (15) is fixedly installed on one side of a cloth feeding connecting rod (10) and extends towards the cloth feeding connecting rod (10) to form an inner shaft sleeve (26), a gap (27) is reserved between the inner shaft sleeve (26) and a connecting rod shaft hole (25) of the cloth feeding connecting rod (10), the eccentric wheel (14) is sleeved in the gap (27), an eccentric small shaft (28) is arranged in the axial direction of the open needle positioning wheel (12) far away from the central shaft of the open needle positioning wheel, the eccentric small shaft (28) is rotatably installed on the eccentric wheel (14), the open needle eccentric wheel (15) is provided with a sliding groove (29) which is the same as the sliding direction of an open needle button (20) on the end face of the cloth feeding connecting rod (10), the sliding positioning toothed sheet (16) is slidably installed in the sliding groove (29), and one end of the sliding positioning toothed sheet (16) in the sliding direction of the sliding groove (29) is provided with a positioning gear (17 The end part of the needle opening button (20) is close to one end, far away from the limiting tooth (30), of the sliding positioning tooth piece (16).
2. A cloth feed adjusting mechanism of a sewing machine according to claim 1, characterized in that: the transmission crank assembly comprises a connecting crank (6) and a cloth feeding connecting rod crank (7), one end of the cloth feeding connecting rod crank (7) is fixedly connected with the upper cloth feeding shaft (4), the other end of the cloth feeding connecting rod crank is rotatably connected with the connecting crank (6), and the other end of the connecting crank (6) is rotatably connected with the tooth frame shaft arm (23) of the upper cloth feeding shaft crank (8).
3. A cloth feed adjusting mechanism of a sewing machine according to claim 1, characterized in that: the cloth feeding adjusting assembly further comprises a positioning torsion spring (31), one end of the positioning torsion spring (31) is fixedly installed on the needle punching eccentric wheel (15), and the other end of the positioning torsion spring is arranged in a groove (32) formed in the side face of one end of the sliding positioning toothed sheet (16) limiting tooth (30).
4. A cloth feed adjusting mechanism of a sewing machine according to claim 1, characterized in that: the thickness of a gap (27) between the inner shaft sleeve (26) and the connecting rod shaft hole (25) of the cloth feeding connecting rod (10) is uneven, namely the inner shaft sleeve (26) and the connecting rod shaft hole (25) are eccentrically arranged.
5. A cloth feed adjusting mechanism of a sewing machine according to claim 1, characterized in that: seted up little eccentric wheel hole (33) on eccentric wheel (14), the internal rotation installation little eccentric wheel (13), little eccentric wheel (13) keep away from its axis department and seted up with little eccentric wheel (13) the same eccentric little shaft hole (34) of axial, eccentric staff (28) rotate to be installed in eccentric little shaft hole (34).
6. A cloth feed adjusting mechanism of a sewing machine according to claim 1, characterized in that: set up stop screw (35) in the circumference of positioning gear (17), open on needle eccentric wheel (15) spout (29) both sides are provided with two bellying (36), stop screw (35) are located between two bellying (36).
7. A cloth feed adjusting mechanism of a sewing machine according to claim 1, characterized in that: the shell (22) of the sewing machine is provided with a needle opening button sleeve (19) used for installing the needle opening button (20).
8. A cloth feed adjusting mechanism of a sewing machine according to claim 1, characterized in that: an upper cloth feeding tooth frame lining (3) is arranged between the upper cloth feeding tooth frame (2) and the upper cloth feeding shaft (4).
9. A cloth feed adjusting mechanism of a sewing machine according to claim 1, characterized in that: the main shaft (21) is installed in a housing (22) of the sewing machine through a bearing (11).
10. A cloth feed adjusting mechanism of a sewing machine according to claim 3, characterized in that: one of the projections (36) can be used for mounting the positioning torsion spring (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821937998.8U CN209957999U (en) | 2018-11-23 | 2018-11-23 | Cloth feeding adjusting mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821937998.8U CN209957999U (en) | 2018-11-23 | 2018-11-23 | Cloth feeding adjusting mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209957999U true CN209957999U (en) | 2020-01-17 |
Family
ID=69234040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821937998.8U Withdrawn - After Issue CN209957999U (en) | 2018-11-23 | 2018-11-23 | Cloth feeding adjusting mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209957999U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402877A (en) * | 2018-11-23 | 2019-03-01 | 浙江乐江机械有限公司 | A kind of work feed adjustment mechanism of sewing machine |
| CN111648939A (en) * | 2020-04-22 | 2020-09-11 | 全兴精工集团有限公司 | Eccentric vibration reduction connector and air compressor |
-
2018
- 2018-11-23 CN CN201821937998.8U patent/CN209957999U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109402877A (en) * | 2018-11-23 | 2019-03-01 | 浙江乐江机械有限公司 | A kind of work feed adjustment mechanism of sewing machine |
| CN109402877B (en) * | 2018-11-23 | 2024-02-09 | 浙江乐江机械有限公司 | Cloth feeding adjusting mechanism of sewing machine |
| CN111648939A (en) * | 2020-04-22 | 2020-09-11 | 全兴精工集团有限公司 | Eccentric vibration reduction connector and air compressor |
| CN111648939B (en) * | 2020-04-22 | 2023-09-15 | 全兴精工集团有限公司 | Eccentric vibration reduction coupler and air compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109208188B (en) | Automatic needle pitch adjusting mechanism and sewing machine | |
| CN108396468B (en) | Dual-motor driving feeding device of sewing machine | |
| CN209957999U (en) | Cloth feeding adjusting mechanism of sewing machine | |
| CN107447377B (en) | Sewing machine | |
| CN109402877B (en) | Cloth feeding adjusting mechanism of sewing machine | |
| CN109371577B (en) | Feed dog frame adjustment mechanism and overedger using same | |
| CN210341284U (en) | Cloth feeding mechanism of sewing machine | |
| CN212357607U (en) | Needle pitch adjusting mechanism | |
| CN209957998U (en) | Differential adjusting mechanism of sewing machine | |
| CN210506765U (en) | Needle bar structure of rotary template sewing machine | |
| CN210122619U (en) | Feed dog driving mechanism of sewing machine | |
| CN209194155U (en) | A kind of template compression mobile mechanism of template sewing machine | |
| CN201245756Y (en) | Drop feed mechanism of two-needle sewing machine | |
| CN213681173U (en) | Needle pitch adjusting mechanism and sewing machine with same | |
| CN220767352U (en) | Needle distance adjusting structure of sewing machine | |
| CN220867672U (en) | Feeding mechanism of sewing machine and sewing machine with feeding mechanism | |
| CN214882174U (en) | Presser foot lifting mechanism of sewing machine | |
| CN220413683U (en) | Inner and outer presser foot alternating quantity adjusting and automatic presser foot lifting mechanism of sewing machine | |
| CN208884104U (en) | A kind of upper feeding mechanism of sewing machine | |
| CN207958711U (en) | A kind of highly automated adjustment mechanism of presser feet and embroidery machine | |
| CN210368203U (en) | Presser foot lifting mechanism and overedger thereof | |
| CN214572630U (en) | Wire cutting mechanism of flat roller car | |
| CN110699877B (en) | Sewing machine needle swing mechanism and control method thereof | |
| CN214400935U (en) | Following type cloth dragging wheel device of sewing machine | |
| CN221895289U (en) | Differential feeding mechanism on flat seaming machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200117 Effective date of abandoning: 20240209 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200117 Effective date of abandoning: 20240209 |