CN212175190U - Presser foot lifting mechanism of sewing machine - Google Patents
Presser foot lifting mechanism of sewing machine Download PDFInfo
- Publication number
- CN212175190U CN212175190U CN202020563319.6U CN202020563319U CN212175190U CN 212175190 U CN212175190 U CN 212175190U CN 202020563319 U CN202020563319 U CN 202020563319U CN 212175190 U CN212175190 U CN 212175190U
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- presser foot
- sewing machine
- rod
- lifting mechanism
- motor
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Abstract
A presser foot lifting mechanism of a sewing machine. The problem that the whole structure of a presser foot lifting mechanism of the existing sewing machine is complex is mainly solved. The method is characterized in that: the motor is characterized in that a motor (3) capable of rotating forward and backward and a transmission shaft (31) driven by the motor to rotate are arranged in the shell, a swing rod (32) is arranged on the rotating shaft, the tail end of the swing rod is connected with a pull rod (33), a joint (21) is arranged on the presser foot rod, and the pull rod is connected with the joint. The utility model provides a presser foot mechanism is lifted to sewing machine drives through positive reverse motor and lifts the depression bar to can stop at any time and keep the state of maintaining, simple structure, convenient to use.
Description
Technical Field
The utility model belongs to the sewing machine field, in particular to sewing machine lift presser foot 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.
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 action of lifting the presser foot of the existing sewing machine consists of two mechanisms, wherein one cylinder is responsible for maintaining the state that the presser foot is lifted and kept lifted, and the other cylinder is responsible for driving the presser foot to lift, so that the overall structure is complex.
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 mechanism mainly solves present sewing machine lift presser foot mechanism overall structure more complicated problem.
The utility model adopts the technical proposal that:
the presser foot lifting mechanism of the sewing machine comprises a machine shell and a presser foot rod, wherein the presser foot rod is partially arranged in the machine shell, a motor capable of rotating forward and backward and a transmission shaft driven by the motor to rotate are arranged in the machine shell, a swing rod is arranged on the transmission shaft, the tail end of the swing rod is connected with a pull rod, a joint is arranged on the presser foot rod, and the pull rod is connected with the joint.
A sliding groove is formed in the shell, and a guide block in sliding fit with the sliding groove is arranged at one end of the joint.
The casing is provided with a through hole, a sleeve is arranged in the through hole, and the presser foot rod penetrates through the sleeve.
The joint further comprises a main plate, the main plate is connected with the joint through a fastener, and a clamping groove used for clamping the presser bar is formed between the main plate and the guide block.
The casing includes first casing and second casing, the motor is located in the second casing, presser bar part is located in the first casing.
The first shell is internally provided with a connecting seat, the connecting seat is internally provided with a through groove, the transmission shaft penetrates through the through groove, and a plurality of bearings are arranged between the inside of the through groove and the outer wall of the transmission shaft.
The swing rod and the transmission shaft are integrally manufactured.
The utility model has the advantages that: the utility model provides a presser foot mechanism is lifted to sewing machine drives through positive reverse motor and lifts the depression bar to can stop at any time and keep the state of maintaining, simple structure, convenient to use.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an internal perspective view of an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a point a in fig. 2.
Fig. 4 is a schematic diagram of a partial explosion according to an embodiment of the present invention.
Fig. 5 is a schematic front view of an embodiment of the present invention.
Fig. 6 is a cross-sectional view at AA in fig. 5.
Fig. 7 is a perspective view of a joint according to an 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 mechanism of the sewing machine comprises a machine shell 1 and a presser foot rod 2, wherein the presser foot rod is partially arranged in the machine shell, a motor 3 capable of rotating forward and backward and a transmission shaft 31 driven by the motor to rotate are arranged in the machine shell, a swing rod 32 is arranged on the transmission shaft, the tail end of the swing rod is connected with a pull rod 33, a joint 21 is arranged on the presser foot rod, and the pull rod is connected with the joint. During the use, the motor rotates, drives the transmission shaft and rotates, and the epaxial pendulum rod of transmission swings thereupon and passes through pull rod pulling presser bar, and when needing to descend, the motor reversal can realize that the presser bar descends, the utility model provides a presser bar mechanism is lifted in lifting of sewing machine drives through positive and negative motor and lifts the depression bar and go up and down to can stop at any time and keep the state of maintaining, simple structure, convenient to use. It should be noted that the motor and the motor for driving the needle rod to move up and down are not the same.
In this embodiment, as shown in the figure, a sliding slot 11 is provided in the housing, and a guide block 211 slidably engaged with the sliding slot is provided at one end of the joint. The guiding function is achieved, and the joint movement is more stable.
In this embodiment, as shown in the figure, the casing is provided with a through hole 12, a sleeve 121 is arranged in the through hole, and the presser foot bar passes through the sleeve. The sleeve pipe plays the effect of direction, and the presser bar is more stable when the activity.
In this embodiment, as shown in the figure, the joint further includes a main plate 212, the main plate and the joint are connected by a fastener 213, and a clamping groove 214 for clamping the presser bar is formed between the main plate and the guide block. Simple structure, easy dismounting.
In this embodiment, as shown in the figure, the housing includes a first housing 101 and a second housing 102, the motor is disposed in the second housing, and the presser bar is partially disposed in the first housing. The motor and the pressure foot are arranged in the two shells, so that the influence of vibration is reduced.
In this embodiment, as shown in the figure, a connecting seat 1011 is disposed in the first housing, a through slot 1012 is disposed in the connecting seat, the transmission shaft passes through the through slot, and a plurality of bearings 1013 are disposed between the through slot and the outer wall of the transmission shaft.
In this embodiment, as shown in the figure, the swing link is integrally formed with the transmission shaft.
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. Sewing machine lifts presser foot mechanism, including casing (1) and presser foot pole (2), presser foot pole part is located in the casing, its characterized in that: the motor is characterized in that a motor (3) capable of rotating forward and backward and a transmission shaft (31) driven by the motor to rotate are arranged in the shell, a swing rod (32) is arranged on the transmission shaft, the tail end of the swing rod is connected with a pull rod (33), a joint (21) is arranged on the presser foot rod, and the pull rod is connected with the joint.
2. The presser foot lifting mechanism of sewing machine according to claim 1, characterized in that: a sliding groove (11) is formed in the shell, and a guide block (211) in sliding fit with the sliding groove is arranged at one end of the joint.
3. The presser foot lifting mechanism of sewing machine according to claim 1 or 2, characterized in that: the casing is provided with a through hole (12), a sleeve (121) is arranged in the through hole, and the presser foot rod penetrates through the sleeve.
4. The presser foot lifting mechanism of sewing machine according to claim 2, characterized in that: the joint further comprises a main plate (212), the main plate is connected with the joint through a fastener (213), and a clamping groove (214) used for clamping the presser foot rod is formed between the main plate and the guide block.
5. The presser foot lifting mechanism of sewing machine according to claim 1, characterized in that: the shell comprises a first shell (101) and a second shell (102), the motor is arranged in the second shell, and the presser foot rod is partially arranged in the first shell.
6. The presser foot lifting mechanism of sewing machine according to claim 5, wherein: a connecting seat (1011) is arranged in the first shell, a through groove (1012) is arranged in the connecting seat, the transmission shaft penetrates through the through groove, and a plurality of bearings (1013) are arranged between the inside of the through groove and the outer wall of the transmission shaft.
7. The presser foot lifting mechanism of sewing machine according to claim 5, wherein: the swing rod and the transmission shaft are integrally manufactured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020563319.6U CN212175190U (en) | 2020-04-16 | 2020-04-16 | Presser foot lifting mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020563319.6U CN212175190U (en) | 2020-04-16 | 2020-04-16 | Presser foot lifting mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212175190U true CN212175190U (en) | 2020-12-18 |
Family
ID=73768743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020563319.6U Active CN212175190U (en) | 2020-04-16 | 2020-04-16 | Presser foot lifting mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212175190U (en) |
-
2020
- 2020-04-16 CN CN202020563319.6U patent/CN212175190U/en active Active
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