CN217418980U - Transmission piece for sewing machine and sewing machine - Google Patents
Transmission piece for sewing machine and sewing machine Download PDFInfo
- Publication number
- CN217418980U CN217418980U CN202221331239.3U CN202221331239U CN217418980U CN 217418980 U CN217418980 U CN 217418980U CN 202221331239 U CN202221331239 U CN 202221331239U CN 217418980 U CN217418980 U CN 217418980U
- Authority
- CN
- China
- Prior art keywords
- presser foot
- foot lifting
- cam
- sewing machine
- trimming
- 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.)
- Active
Links
Images
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a driving medium and sewing machine for sewing machine, the driving medium includes the casing, be equipped with on the casing and be used for the transmission hole of being connected with the power supply, be equipped with first cam on the casing, first cam drives gauge needle adjustment mechanism activity when being used for the activity, eccentric on the casing is provided with the second cam, the second cam drives when being used for the activity and lifts presser foot subassembly and the activity of trimming subassembly. The transmission piece and a power source can drive the presser foot lifting component, the thread cutting component and the needle pitch adjusting mechanism, the structure is simple, the structure of the sewing machine is simplified, and the cost is saved.
Description
Technical Field
The utility model relates to a sewing machine technical field, concretely relates to a driving medium and sewing machine for sewing machine.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a work material to interlace or stitch one or more layers of the work material. The functions of the existing sewing machine such as presser foot lifting, thread trimming, needle gauge adjustment and the like are generally mutually independent, are realized by adopting a plurality of driving cylinders and driving assemblies, and have complex structure and higher cost.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the utility model provides a driving medium and sewing machine for sewing machine.
The transmission part for the sewing machine comprises a shell, wherein a transmission hole used for being connected with a power source is formed in the shell, a first cam is arranged on the shell and used for driving a needle pitch adjusting mechanism to move when moving, a second cam is eccentrically arranged on the shell and used for driving a presser foot lifting assembly and a thread trimming assembly to move when moving.
And a convex tongue is arranged on the side, close to the shell, of the second cam and is used for driving the pressure lifting foot to move when the convex tongue moves.
The outer side surface of the second cam is provided with a convex block, and the convex block is used for driving the thread trimming assembly to move when moving.
The first cam and the second cam are respectively positioned on two sides of the shell.
A sewing machine comprises a rack, a presser foot lifting component, a thread cutting component, a needle pitch adjusting mechanism and a power source, and further comprises the transmission member for the sewing machine, wherein the power source drives the transmission member to rotate.
The presser foot lifting component comprises a presser foot lifting crank, a presser foot lifting push rod, a presser foot lifting lever, a presser foot lifting pull rod, a presser foot lifting plate and a presser foot lifting plate, the presser foot lifting crank is driven to move by the second cam of the transmission piece, the presser foot lifting push rod is jacked when the presser foot lifting crank moves, the presser foot lifting push rod is jacked and jacked to the presser foot lifting lever, the presser foot lifting lever is connected with the presser foot lifting pull rod, the front end of the presser foot lifting pull rod is connected with the presser foot lifting plate, and the presser foot lifting plate is used for driving the presser foot lifting plate to move.
The trimming component comprises a trimming lever, a trimming push rod, a trimming driving cam, a cutter rotating shaft and a cutter, the trimming lever is driven to move by the second cam of the transmission part, the trimming push rod is jacked when the trimming lever moves, the trimming push rod is connected with the cutter rotating shaft, the trimming rotating shaft is arranged on the cutter rotating shaft, the trimming driving cam can drive the trimming rotating shaft to rotate when the trimming push rod jacks the cutter rotating shaft, so that the cutter rotating shaft is driven to rotate, and the cutter rotating shaft is used for driving the cutter to move.
And the cutter rotating shaft is provided with an elastic reset piece.
The needle pitch adjusting mechanism comprises a swinging swing seat and a needle pitch crank, the needle pitch crank is driven to move by the first cam of the transmission piece, and the needle pitch crank drives the swinging swing seat to move.
And two ends of the needle pitch crank are circular, one end of the needle pitch crank is sleeved on the first cam of the transmission piece, and the other end of the needle pitch crank is sleeved on the rotating shaft of the swinging swing seat.
The utility model has the advantages that: the utility model provides a driving medium for sewing machine can realize driving through this driving medium and a power supply and lift presser foot subassembly, thread trimming subassembly, gauge needle adjustment mechanism, and simple structure is favorable to simplifying the sewing machine structure, practices thrift the cost.
Drawings
Fig. 1 is a perspective view of a transmission member according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a sewing machine according to an embodiment of the present invention.
Fig. 3 is a partial perspective view of the sewing machine according to the embodiment of the present invention.
Fig. 4 is a schematic perspective view of a presser foot lifting assembly according to an embodiment of the present invention.
Fig. 5 is a schematic perspective view of a trimming assembly according to an embodiment of the present invention.
Fig. 6 is a schematic perspective view of a needle pitch adjusting mechanism according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1, the transmission member 1 for the sewing machine includes a housing 11, a transmission hole 14 for connecting with a power source is provided on the housing 11, a first cam 12 is provided on the housing 11, the first cam 12 is used for driving a needle pitch adjusting mechanism to move when moving, a second cam 13 is eccentrically provided on the housing, and the second cam 13 is used for driving a presser foot lifting assembly and a thread cutting assembly to move when moving.
In this embodiment, a tongue 15 is disposed on the side of the second cam 13 close to the housing 11, the tongue 15 is used for driving the lifting and pressing foot to move when moving, a protrusion 16 is disposed on the outer side surface of the second cam 13, and the protrusion 16 is used for driving the thread trimming assembly to move when moving.
In this embodiment, the first cam and the second cam are respectively located at two sides of the housing, which facilitates structure optimization.
As shown in fig. 2-6, a sewing machine comprises a frame 2, a presser foot lifting assembly, a thread cutting assembly, a needle pitch adjusting mechanism, a power source 21 and the transmission member 1 for the sewing machine, wherein the power source 21 drives the transmission member 1 to rotate, the power source adopts a single-drive stepping motor, and a rotating shaft of the motor extends into a transmission hole 14 of the transmission member 1.
The presser foot lifting assembly comprises a presser foot lifting crank 31, a presser foot lifting push rod 32, a presser foot lifting lever 33, a presser foot lifting pull rod 34, a presser foot lifting plate 35 and a presser foot lifting 36, wherein the presser foot lifting crank 31 is driven to move by the transmission piece second cam 13, in the embodiment, a convex tongue 15 on the transmission piece second cam 13 can press the presser foot lifting crank 31 when the second cam 13 rotates, the presser foot lifting crank 31 presses the presser foot lifting push rod 32 when the presser foot lifting crank 31 moves, the presser foot lifting push rod 32 presses the presser foot lifting lever 33, the presser foot lifting lever 33 is connected with the presser foot lifting pull rod 34, the front end of the presser foot lifting pull rod 34 is connected with the presser foot lifting plate 35, the presser foot lifting pull rod 34 drives the presser foot plate 35 to move when the presser foot lifting plate 35 moves, and the presser foot lifting plate 36 moves when the presser foot plate 35 moves.
The thread cutting assembly comprises a thread cutting lever 41, a thread cutting push rod 42, a thread cutting driving cam 45, a cutter rotating shaft 43 and a cutter 47, wherein the thread cutting lever 41 is driven by the transmission member second cam 13 to move, in the embodiment, the convex block 16 on the transmission member second cam 13 can press the thread cutting lever 41 when the second cam 13 rotates, the thread cutting push rod 42 is pressed when the thread cutting lever 41 moves, the thread cutting push rod 42 is connected with the cutter rotating shaft 43, the cutter rotating shaft 43 is provided with the thread cutting rotating shaft 44, the thread cutting driving cam 45 is rotatably arranged on the frame 2 of the sewing machine, the cutter rotating shaft 43 is pressed when the thread cutting push rod 42 is pushed, so that the thread cutting rotating shaft 44 on the cutter rotating shaft 43 is displaced to a position capable of being linked with the thread cutting driving cam 45, and the thread cutting rotating shaft 44 can be driven to rotate when the thread cutting driving cam 45 rotates, so as to drive the cutter rotating shaft 43 to rotate, the cutter rotating shaft 43 rotates to drive the cutter 47 to move. In this embodiment, the cutter rotating shaft 43 is provided with an elastic resetting member 46, and the elastic resetting member 46 is a torsion spring for resetting the cutter 47.
The needle pitch adjusting mechanism comprises a swinging swing seat 52 and a needle pitch crank 51, the needle pitch crank 51 is driven to move by the first cam 12 of the transmission part, and the needle pitch crank 51 drives the swinging swing seat 52 to move. In this embodiment, two ends of the needle pitch crank 51 are circular rings, one end of the needle pitch crank is sleeved on the first cam 12 of the transmission member, the other end of the needle pitch crank is sleeved on the rotating shaft of the swinging swing seat 52, and how to adjust the needle pitch by the swinging swing seat is the prior art and is not described herein again.
The examples should not be construed as limiting the invention, and any non-inventive modifications based on the spirit of the invention should be construed as within the scope of the invention.
Claims (10)
1. A driving medium for sewing machine, including casing (11), be equipped with on casing (11) and be used for transmission hole (14) be connected with the power supply, its characterized in that: the needle pitch adjusting mechanism is characterized in that a first cam (12) is arranged on the shell (11), the first cam (12) is used for driving the needle pitch adjusting mechanism to move when moving, a second cam (13) is eccentrically arranged on the shell (11), and the second cam (13) is used for driving the presser foot lifting assembly and the thread trimming assembly to move when moving.
2. A transmission for a sewing machine according to claim 1, wherein: a convex tongue (15) is arranged on the side, close to the shell (11), of the second cam (13), and the convex tongue (15) is used for driving the pressure lifting pin to move when moving.
3. A transmission for a sewing machine according to claim 1, wherein: the outer side surface of the second cam (13) is provided with a convex block (16), and the convex block (16) is used for driving the thread trimming assembly to move when moving.
4. A transmission for a sewing machine according to claim 1, wherein: the first cam (12) and the second cam (13) are respectively positioned on two sides of the shell (11).
5. The utility model provides a sewing machine, includes frame (2), lifts presser foot subassembly, thread trimming subassembly, gauge needle adjustment mechanism and power supply (21), its characterized in that: further comprising a transmission member (1) for a sewing machine according to any of claims 1-4, said power source (21) driving said transmission member (1) in rotation.
6. A sewing machine according to claim 5, wherein: the presser foot lifting assembly comprises a presser foot lifting crank (31), a presser foot lifting push rod (32), a presser foot lifting lever (33), a presser foot lifting pull rod (34), a presser foot lifting plate (35) and a presser foot lifting (36), the presser foot lifting crank (31) is driven to move by the transmission piece second cam (13), the presser foot lifting push rod (32) is pressed and lifted in the pressing process of the presser foot lifting crank (31) moving, the presser foot lifting push rod (32) presses and lifts the presser foot lifting lever (33), the presser foot lifting pull rod (34) is connected onto the presser foot lifting lever (33), the presser foot lifting pull rod (34) is connected to the front end of the presser foot lifting plate (35), and the presser foot lifting plate (35) is used for driving the presser foot lifting (36) to move.
7. A sewing machine according to claim 5, wherein: the trimming component comprises a trimming lever (41), a trimming push rod (42), a trimming driving cam (45), a cutter rotating shaft (43) and a cutter (47), the trimming lever (41) is driven by the transmission part second cam (13) to move, the trimming push rod (42) is pressed when the trimming lever (41) moves, the trimming push rod (42) is connected with the cutter rotating shaft (43), the cutter rotating shaft (44) is arranged on the cutter rotating shaft (43), the trimming driving cam (45) can drive the trimming rotating shaft (44) to rotate when the trimming push rod (42) presses the cutter rotating shaft (43), so that the cutter rotating shaft (43) is driven to rotate, and the cutter rotating shaft (43) is used for driving the cutter (47) to move.
8. A sewing machine according to claim 7, wherein: and an elastic reset piece (46) is arranged on the cutter rotating shaft (43).
9. A sewing machine according to claim 5, wherein: the needle pitch adjusting mechanism comprises a swinging swing seat (52) and a needle pitch crank (51), the needle pitch crank (51) is driven to move by the first cam (12) of the transmission piece, and the needle pitch crank (51) drives the swinging swing seat (52) to move.
10. A sewing machine according to claim 9, wherein: the two ends of the needle pitch crank (51) are circular, one end of the needle pitch crank is sleeved on the first cam (12) of the transmission piece, and the other end of the needle pitch crank is sleeved on the rotating shaft of the swinging swing seat (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221331239.3U CN217418980U (en) | 2022-05-31 | 2022-05-31 | Transmission piece for sewing machine and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221331239.3U CN217418980U (en) | 2022-05-31 | 2022-05-31 | Transmission piece for sewing machine and sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217418980U true CN217418980U (en) | 2022-09-13 |
Family
ID=83190468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221331239.3U Active CN217418980U (en) | 2022-05-31 | 2022-05-31 | Transmission piece for sewing machine and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217418980U (en) |
-
2022
- 2022-05-31 CN CN202221331239.3U patent/CN217418980U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112048838B (en) | Sewing machine | |
| CN217418980U (en) | Transmission piece for sewing machine and sewing machine | |
| CN216338299U (en) | Presser foot lifting and thread loosening mechanism of single-step sewing machine | |
| CN113430727A (en) | Sewing machine with novel presser foot lifting structure and thread trimming structure | |
| CN216193269U (en) | Single motor controlled multifunctional sewing machine | |
| CN213624659U (en) | Presser foot lifting and suture tension adjusting mechanism of sewing machine | |
| CN112779685A (en) | Sewing machine has combination wheel of adjusting gauge needle | |
| CN111593497A (en) | Sewing machine | |
| CN216738803U (en) | Presser foot lifting driving structure of sewing machine | |
| CN215404895U (en) | Driving mechanism of lockstitch sewing machine | |
| CN115247321B (en) | Sewing machine cuts line and lifts presser foot and line tension mechanism | |
| CN216919641U (en) | Presser foot mechanism is lifted in sewing machine's slide bar transmission | |
| CN217298210U (en) | Feed dog lifting mechanism and sewing machine | |
| CN212247419U (en) | Sewing machine | |
| CN220166393U (en) | Presser foot lifting mechanism of flat sewing machine | |
| CN217324534U (en) | Cam-driven presser foot lifting mechanism of sewing machine | |
| CN214496707U (en) | Transmission piece for sewing equipment and sewing machine | |
| CN215713810U (en) | Presser foot lifting structure of overedger | |
| CN216129752U (en) | Sewing machine with novel presser foot lifting structure and thread trimming structure | |
| CN212533357U (en) | Automatic lift presser foot mechanism | |
| CN217536326U (en) | Presser foot lifting assembly of sewing machine | |
| CN218263031U (en) | Sewing machine collects lifts presser foot, trimming and pine in actuating mechanism of an organic whole | |
| CN217174025U (en) | Driving mechanism of overedger | |
| CN216972842U (en) | Middle presser foot driving structure of sewing machine | |
| CN219752625U (en) | Needle distance adjusting structure of sewing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |