CN216765238U - Presser foot lifting mechanism of sewing machine and sewing machine with same - Google Patents
Presser foot lifting mechanism of sewing machine and sewing machine with same Download PDFInfo
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- CN216765238U CN216765238U CN202220464000.7U CN202220464000U CN216765238U CN 216765238 U CN216765238 U CN 216765238U CN 202220464000 U CN202220464000 U CN 202220464000U CN 216765238 U CN216765238 U CN 216765238U
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- 238000009958 sewing Methods 0.000 title claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model discloses a presser foot lifting mechanism of a sewing machine, which comprises a motor, a cam device, a guide device, a swing pull rod, a swing connecting rod, a presser foot lever and a presser foot component, wherein the cam device is arranged on the upper surface of the motor; the motor converts the rotation motion of the motor into the up-and-down reciprocating motion of the guide device through the cam device, the guide device performs up-and-down reciprocating jacking on one end of the swinging pull rod, the swinging pull rod converts the up-and-down reciprocating jacking of the guide device into reciprocating swing, and the swinging pull rod performs reciprocating pulling on the swinging connecting rod through the other end of the swinging pull rod; the presser foot lever performs reciprocating pulling on the presser foot component up and down through reciprocating pulling of the swinging connecting rod, so that the presser foot component is controlled to work. The transmission connection of the utility model has simple structure of matching design, not only low processing cost, but also high transmission efficiency and strong controllability, and meanwhile, the connection position arranged on the machine shell is convenient for installation and connection and later-stage disassembly and assembly maintenance. The utility model also provides a sewing machine adopting the presser foot lifting mechanism.
Description
Technical Field
The utility model relates to the technical field of sewing machines, in particular to a presser foot lifting mechanism of a sewing machine and the sewing machine with the presser foot lifting mechanism.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. In the process of sewing machine work, power unit is through lifting presser foot mechanism and converting its power into the up-and-down motion work of presser foot subassembly, and in sewing machine's working process, it is especially important to lift the project organization of presser foot mechanism, and the presser foot mechanism on the current sewing machine is comparatively complicated, and the processing cost is high, and the installation is inconvenient, can lead to the working property unstability simultaneously, and later stage dismouting maintenance is also inconvenient.
Disclosure of Invention
The utility model aims at solving the problem of proposing in the above-mentioned background art, provide a sewing machine lift presser foot mechanism.
In order to solve the technical problems, the technical scheme of the utility model is as follows: a presser foot lifting mechanism of a sewing machine comprises a motor arranged on a sewing machine shell, a cam device, a guide device, a swing pull rod, a swing connecting rod, a presser foot lever and a presser foot component; the cam device is arranged on a motor shaft of the motor, the guide device, the swinging connecting rod and the presser foot component are arranged on the machine shell, and two ends of the swinging connecting rod are respectively connected with the swinging pull rod and the presser foot lever;
the motor converts the rotation motion of the motor into the up-and-down reciprocating motion of the guide device through the cam device, the guide device performs up-and-down reciprocating jacking on one end of the swinging pull rod, and the swinging pull rod converts the up-and-down reciprocating jacking of the guide device into reciprocating swing so as to pull the swinging connecting rod in a reciprocating manner through the other end of the swinging pull rod; the pressure foot lever pulls the pressure foot component up and down in a reciprocating mode through reciprocating pulling of the swinging connecting rod, and therefore the pressure foot component is controlled to work.
In the presser foot lifting mechanism of the sewing machine, the cam device comprises a cam and a cam roller arranged on the cam, the cam is fixedly arranged on a motor shaft of the motor, and the cam roller is arranged on the cam and correspondingly abutted against the guide device.
In the presser foot lifting mechanism of the sewing machine, the guide device comprises a guide fixing frame and an upper and lower sliding top frame, the guide fixing frame is fixedly connected to the machine shell, the upper and lower sliding top frame is slidably connected to the guide fixing frame, and two ends of the upper and lower sliding top frame are respectively correspondingly abutted against the cam roller and the swing pull rod.
In the presser foot lifting mechanism of the sewing machine, the swing pull rod is rotatably connected to the machine shell through a connecting rod axis position screw, one end of the swing pull rod is provided with a swing rod roller abutted against the end part of the up-and-down sliding top frame, and the other end of the swing pull rod is fixedly connected with the end part of the swing connecting rod through a screw.
In the presser foot lifting mechanism of the sewing machine, the swing connecting rod is connected with the presser foot lever through the snap spring, the presser foot lever is rotatably connected with the machine shell through the lever threaded nail, and the presser foot lever is fixedly connected with the upper end of the presser foot component.
In the presser foot lifting mechanism of the sewing machine, the cam is provided with the roller connecting branch end, and the cam roller is installed and connected to the roller connecting branch end through the camshaft position screw and the nut.
In the presser foot lifting mechanism of the sewing machine, the up-down sliding top frame is provided with the up-down sliding hole, and the up-down sliding top frame is connected to the guide fixing frame through the up-down sliding hole by a top frame axis position screw in a sliding installation mode.
In the presser foot lifting mechanism of the sewing machine, the two ends of the up-and-down sliding top frame are respectively provided with the lower roller abutting branch end and the upper roller abutting branch end.
The utility model also provides a sewing machine, which comprises the presser foot lifting mechanism of the sewing machine.
The utility model has the beneficial effects that:
the cam device, the guide device and the swing pull rod are connected and matched, so that the rotary motion of the motor can be efficiently converted into the reciprocating pulling of the swing connecting rod, and the presser foot component moves up and down through the presser foot lever; the cam device, the guide device and the swing pull rod are in matched design, the structure is simple, the processing cost is low, the transmission efficiency is high, the controllability is high, and meanwhile, the installation and the connection of the connecting position on the machine shell and the later-stage disassembly and assembly maintenance are facilitated.
Drawings
FIG. 1 is a perspective view of the presser foot lifting mechanism of the present invention after being mounted and connected with a sewing machine housing;
FIG. 2 is an exploded view of the presser foot lift mechanism of the present invention;
FIG. 3 is a perspective view of a presser foot lifting mechanism of the present invention;
fig. 4 is a perspective view of a sewing machine employing a presser foot lifting mechanism according to the present invention.
Detailed Description
The utility model is further elucidated with reference to the drawing.
Referring to fig. 1 to 3, the present invention provides a presser foot lifting mechanism of a sewing machine, which comprises a motor 2 mounted on a sewing machine casing 1, and further comprises a cam device 3, a guide device 4, a swing pull rod 5, a swing connecting rod 6, a presser foot lever 7 and a presser foot assembly 8; the motor 2 converts the rotation motion of the motor into the up-and-down reciprocating motion of the guide device 4 through the cam device 3, the guide device 4 carries out up-and-down reciprocating jacking on one end of the swing pull rod 5, the swing pull rod 5 converts the up-and-down reciprocating jacking of the guide device 4 into reciprocating swing, and therefore the swing connecting rod 6 is pulled in a reciprocating manner through the other end of the swing pull rod; the pressure foot lever 7 controls the pressure foot assembly 8 to work by pulling the swing connecting rod 6 to and fro up and down to pull the pressure foot assembly 8.
The cam device 3 comprises a cam 9 and a cam roller 10 arranged on the cam 9, the cam 9 is fixedly arranged on a motor shaft of the motor 2, the cam 9 is provided with a roller connecting branch end 11, and the cam roller 10 is arranged and connected on the roller connecting branch end 11 through a cam shaft position screw 10-1 and a nut 10-2, so that the cam roller 10 is arranged on the cam 9 and correspondingly abutted against the guide device 4; the cam 9 rotates synchronously with the reciprocating operation of the motor 2, and the guide device 4 reciprocates up and down by the reciprocating rotation of the cam roller 10 on the cam 9 and the reciprocating rotation acting on the guide device 4.
The guide device 4 comprises a guide fixing frame 12 and an upper and lower sliding top frame 13, the guide fixing frame 12 is fixedly connected to the machine shell 1, upper and lower sliding holes 14 are formed in the upper and lower sliding top frames 13, the upper and lower sliding top frames 13 are connected to the guide fixing frame 12 through the upper and lower sliding holes 14 in a sliding mode through top frame axis position screws 14-1, a lower roller abutting branch end 13-1 and an upper roller abutting branch end 13-2 are respectively arranged at two ends of the upper and lower sliding top frames 13, so that the upper and lower sliding top frames 13 are connected to the guide fixing frame 12 in a sliding mode, two ends of the upper and lower sliding top frames 13 abut against the branch ends 13-1 through the lower roller, and the upper roller abutting branch end 13-2 is correspondingly abutted against the cam roller 10 and the swing pull rod 5; the cam roller 10 causes the up-down sliding top frame 13 to reciprocate up and down along the guide fixing frame 12, and the up-down reciprocating motion of the up-down sliding top frame 13 moves against the swing link 5.
The swing pull rod 5 is rotatably connected to the machine shell 1 through a connecting rod axis position screw 5-1, one end of the swing pull rod 5 is provided with a swing rod roller 15 which is abutted against the end part of the upper and lower sliding top frame 13, and the other end of the swing pull rod 5 is fixedly connected with the end part of the swing connecting rod 6 through a screw; since the swing link roller 15 of the swing link 5 abuts on the end of the up-down sliding top frame 13, the up-down reciprocating motion of the up-down sliding top frame 13 is converted into the reciprocating swing motion of the swing link 5, so that the swing link 5 reciprocates the swing link 6.
The swing connecting rod 6 is connected with a pressure foot lever 7 through a clamp spring 6-1, the pressure foot lever 7 is rotatably connected onto the machine shell 1 through a lever threaded nail 7-1, and the pressure foot lever 7 is fixedly connected with the upper end of a pressure foot assembly 8; the swing link 6 is pulled reciprocally by the swing pull rod 5 and is converted into a vertical reciprocating motion by the presser foot lever 7, so that the presser foot assembly 8 is driven by the presser foot lever 7 to perform the vertical reciprocating motion.
As shown in figure 4, the utility model also provides a sewing machine which adopts the presser foot lifting mechanism.
The above detailed description is provided for the presser foot lifting mechanism of the sewing machine and the sewing machine with the same provided by the embodiment of the utility model, and the specific example is applied in the text to explain the principle and the implementation mode of the utility model, and the description of the above embodiment is only used for helping to understand the technical scheme disclosed by the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. The utility model provides a sewing machine lift presser foot mechanism, is including installing motor (2) on sewing machine casing (1), its characterized in that: the device also comprises a cam device (3), a guide device (4), a swing pull rod (5), a swing connecting rod (6), a presser foot lever (7) and a presser foot component (8); the cam device (3) is installed on a motor shaft of the motor (2), the guide device (4), the swinging connecting rod (6) and the presser foot component (8) are installed and connected on the machine shell (1), and two ends of the swinging connecting rod (6) are respectively connected with the swinging pull rod (5) and the presser foot lever (7);
the rotating motion of the motor (2) is converted into the up-and-down reciprocating motion of the guide device (4) through the cam device (3), the guide device (4) performs up-and-down reciprocating jacking motion on one end of the swinging pull rod (5), the swinging pull rod (5) converts the up-and-down reciprocating jacking motion of the guide device (4) into reciprocating swing, and therefore the swinging connecting rod (6) is pulled in a reciprocating mode through the other end of the swinging pull rod; the pressure foot lever (7) pulls the pressure foot component (8) up and down in a reciprocating manner through the reciprocating pulling of the swinging connecting rod (6), so that the pressure foot component (8) is controlled to work.
2. The presser foot lifting mechanism of sewing machine according to claim 1, wherein: the cam device (3) comprises a cam (9) and a cam roller (10) arranged on the cam (9), the cam (9) is fixedly arranged on a motor shaft of the motor (2), and the cam roller (10) is arranged on the cam (9) and correspondingly abutted against the guide device (4).
3. The presser foot lifting mechanism of sewing machine according to claim 2, wherein: the guide device (4) comprises a guide fixing frame (12) and an upper and lower sliding top frame (13), the guide fixing frame (12) is fixedly connected to the machine shell (1), the upper and lower sliding top frame (13) is slidably connected to the guide fixing frame (12), and two ends of the upper and lower sliding top frame are correspondingly abutted to the cam roller (10) and the swing pull rod (5) respectively.
4. A presser foot lifting mechanism of a sewing machine according to claim 3, wherein: the swing pull rod (5) is rotatably connected to the machine shell (1) through a connecting rod axis position screw (5-1), one end of the swing pull rod (5) is provided with a swing rod roller (15) abutted against the end part of the up-down sliding top frame (13), and the other end of the swing pull rod is fixedly connected with the end part of the swing connecting rod (6) through a screw.
5. The presser foot lifting mechanism of sewing machine according to claim 4, wherein: the swing connecting rod (6) is connected with the presser foot lever (7) through the clamp spring (6-1), the presser foot lever (7) is rotatably connected onto the machine shell (1) through a lever threaded nail (7-1), and the presser foot lever (7) is fixedly connected with the upper end of the presser foot assembly (8) at the same time.
6. The presser foot lifting mechanism of sewing machine according to claim 2, wherein: the cam (9) is provided with a roller connecting branch end (11), and the cam roller (10) is installed and connected on the roller connecting branch end (11) through a cam shaft position screw (10-1) and a nut (10-2).
7. A presser foot lifting mechanism of a sewing machine according to claim 3, wherein: the upper and lower sliding top frame (13) is provided with an upper and lower sliding hole (14), and the upper and lower sliding top frame (13) is connected on the guide fixing frame (12) through the upper and lower sliding hole (14) by a top frame axis position screw (14-1) in a sliding installation manner.
8. The presser foot lifting mechanism of sewing machine according to claim 7, wherein: two ends of the upper and lower sliding top frame (13) are respectively provided with a lower roller abutting branch end (13-1) and an upper roller abutting branch end (13-2).
9. A sewing machine characterized by: a presser foot lifting mechanism comprising a sewing machine as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220464000.7U CN216765238U (en) | 2022-03-05 | 2022-03-05 | Presser foot lifting mechanism of sewing machine and sewing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220464000.7U CN216765238U (en) | 2022-03-05 | 2022-03-05 | Presser foot lifting mechanism of sewing machine and sewing machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216765238U true CN216765238U (en) | 2022-06-17 |
Family
ID=81957997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220464000.7U Active CN216765238U (en) | 2022-03-05 | 2022-03-05 | Presser foot lifting mechanism of sewing machine and sewing machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216765238U (en) |
-
2022
- 2022-03-05 CN CN202220464000.7U patent/CN216765238U/en active Active
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