CN214496708U - Presser foot lifting transmission structure of sewing equipment - Google Patents
Presser foot lifting transmission structure of sewing equipment Download PDFInfo
- Publication number
- CN214496708U CN214496708U CN202120261728.5U CN202120261728U CN214496708U CN 214496708 U CN214496708 U CN 214496708U CN 202120261728 U CN202120261728 U CN 202120261728U CN 214496708 U CN214496708 U CN 214496708U
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- foot lifting
- presser foot
- crank
- transmission structure
- lever
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Abstract
A presser foot lifting transmission structure of sewing equipment. The problems that the whole structure of the existing presser foot lifting transmission mechanism of the sewing machine is complex and the cost is high are mainly solved. The method is characterized in that: the transmission mechanism comprises a presser foot lifting lever (31) and a presser foot lifting crank (32) which is rotatably arranged in the sewing machine equipment shell, the presser foot lifting crank is driven by the transmission piece to move, and the presser foot lifting crank is movably connected with the presser foot lifting lever. The utility model provides a sewing equipment lift presser foot transmission structure, simple structure, convenient to use.
Description
Technical Field
The utility model relates to a sewing machine field, concretely relates to sewing machine lift presser foot transmission structure.
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.
The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient.
The whole structure of the prior presser foot lifting transmission mechanism of the sewing machine is complex, and the cost is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides a sewing machine lift presser foot drive mechanism, what mainly solved present sewing machine lifts presser foot drive mechanism overall structure is more complicated, and the cost is also than higher problem moreover.
The utility model discloses a concrete implementation scheme does:
a presser foot lifting transmission structure of sewing equipment comprises a presser foot lifting rod and a transmission piece connected with a power source, wherein the transmission piece drives the presser foot lifting rod to move through a transmission mechanism, the transmission mechanism comprises a presser foot lifting lever and a presser foot lifting crank rotatably arranged in a sewing machine equipment shell, the presser foot lifting crank is driven to move by the transmission piece, and the presser foot lifting crank is movably connected with the presser foot lifting lever.
The pressure foot lifting lever comprises a linkage groove, a shifting lever is arranged on the pressure foot lifting crank, and one end of the shifting lever extends into the linkage groove.
The transmission mechanism further comprises a foot lifting and pressing plate which is rotatably arranged in the sewing machine equipment shell and a foot lifting and pressing pull rod which is connected with the foot lifting and pressing plate lever, the foot lifting and pressing plate is used for driving the foot lifting and pressing rod to move when rotating, and the foot lifting and pressing rod is connected with the foot lifting and pressing plate.
The transmission piece is a cam.
The pressure foot lifting crank is provided with a roller, and the cam drives the pressure foot lifting crank to move by pushing the roller.
The middle end of the presser foot lifting crank is provided with a rotating shaft, and the roller is sleeved on the rotating shaft.
The utility model has the advantages that: the utility model provides a sewing equipment lift presser foot transmission structure, simple structure, convenient to use.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of another embodiment of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings: as shown in the figure, the presser foot lifting transmission structure of the sewing machine comprises a presser foot lifting rod 1 and a transmission piece 2 connected with a power source, wherein the transmission piece drives the presser foot lifting rod to move through a transmission mechanism, the transmission mechanism comprises a presser foot lifting lever 31 and a presser foot lifting crank 32 rotatably arranged in a shell of the sewing machine, the presser foot lifting crank is driven by the transmission piece to move, and the presser foot lifting crank is movably connected with the presser foot lifting lever. The transmission piece can be connected with a power source through modes such as key transmission, the power source can be a motor, the motor drives the transmission piece to move, the transmission piece can be driven by a cam and the like to lift the presser foot crank to swing, the presser foot crank is lifted to drive the presser foot lifting lever to move, and then the presser foot lifting rod is driven by the transmission mechanism to move.
In this embodiment, as shown in the figure, the pressure foot lifting lever includes a linkage groove 311, a shift lever 321 is disposed on the pressure foot lifting crank, and one end of the shift lever extends into the linkage groove. The presser foot lifting lever is driven to swing in the mode of the deflector rod and the linkage groove, and the presser foot lifting lever is simple in structure and convenient to install.
In this embodiment, as shown in the figure, the transmission mechanism further includes a foot lifting and pressing plate 34 rotatably installed in the sewing machine casing and a foot lifting and pressing pull rod 33 connected to the foot lifting and pressing plate lever, the foot lifting and pressing plate is used for driving the foot lifting and pressing rod to move when rotating, and the foot lifting and pressing rod is connected to the foot lifting and pressing plate. When the foot lifting and pressing plate rotates, the foot lifting and pressing rod is lifted, the foot lifting and pressing rod is reset through the spring 30, the foot lifting and pressing plate is pulled through the foot lifting and pressing pull rod, the foot lifting and pressing pull rod is driven by the foot lifting and pressing rod, and a first rotating shaft 81, a second rotating shaft 82 and a third rotating shaft 83 are used for being rotatably connected with a sewing device shell in the drawing.
In this embodiment, the transmission member is a cam, as shown in the figures. Compact structure and convenient use.
In this embodiment, as shown in the figure, a roller 323 is disposed on the presser foot lifting crank, and the cam drives the presser foot lifting crank to move by pushing the roller (which may also be a needle roller). The roller is in sliding fit with the cam, and the cam pushes the roller to drive the presser foot lifting crank to move, so that the structure is simple, and the use is smooth.
In this embodiment, as shown in the figure, a rotating shaft 324 is provided at the middle end of the pressure raising and pressing foot crank, and the roller is sleeved on the rotating shaft. The structure is simple, and the rotating shaft can be arranged on the pressure foot lifting crank in a threaded connection mode and the like.
In this embodiment, as shown in the figure, the linkage groove is a U-shaped groove or an L-shaped groove. U-shaped slots, see fig. 1, and L-shaped slots, see fig. 2, can be implemented.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The embodiments described with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of the present invention.
Claims (7)
1. The utility model provides a sewing machine lift presser foot transmission structure, is including lifting presser foot pole (1) and driving medium (2) be connected with the power supply, the driving medium passes through drive mechanism and drives lift the activity of presser foot pole, its characterized in that: the transmission mechanism comprises a presser foot lifting lever (31) and a presser foot lifting crank (32) which is rotatably arranged in the shell of the sewing machine equipment, the presser foot lifting crank is driven by the transmission piece to move, and the presser foot lifting crank is movably connected with the presser foot lifting lever.
2. The presser foot lifting transmission structure of a sewing apparatus according to claim 1, wherein: the pressure foot lifting lever comprises a linkage groove (311), a shifting lever (321) is arranged on the pressure foot lifting crank, and one end of the shifting lever extends into the linkage groove.
3. The presser foot lifting transmission structure of a sewing apparatus according to claim 1, wherein: the transmission mechanism further comprises a foot lifting and pressing plate (34) which is rotatably arranged in the sewing machine equipment shell and a foot lifting and pressing pull rod (33) which is connected with the foot lifting and pressing plate lever, the foot lifting and pressing plate is used for driving the foot lifting and pressing rod to move when rotating, and the foot lifting and pressing rod is connected with the foot lifting and pressing plate.
4. The presser foot lifting transmission structure of a sewing apparatus according to claim 1, wherein: the transmission piece is a cam.
5. The presser foot lifting transmission structure of a sewing apparatus according to claim 4, wherein: the pressure foot lifting crank is provided with a roller (323), and the cam drives the pressure foot lifting crank to move by pushing the roller.
6. The presser foot lifting transmission structure of a sewing machine according to claim 5, wherein: the middle end of the pressure foot lifting crank is provided with a rotating shaft (324), and the roller is sleeved on the rotating shaft.
7. The presser foot lifting transmission structure of a sewing apparatus according to claim 2, wherein: the linkage groove is a U-shaped groove or an L-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120261728.5U CN214496708U (en) | 2021-01-30 | 2021-01-30 | Presser foot lifting transmission structure of sewing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120261728.5U CN214496708U (en) | 2021-01-30 | 2021-01-30 | Presser foot lifting transmission structure of sewing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214496708U true CN214496708U (en) | 2021-10-26 |
Family
ID=78218126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120261728.5U Active CN214496708U (en) | 2021-01-30 | 2021-01-30 | Presser foot lifting transmission structure of sewing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214496708U (en) |
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2021
- 2021-01-30 CN CN202120261728.5U patent/CN214496708U/en active Active
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