CN210151344U - Sewing machine and outer presser foot mechanism thereof - Google Patents
Sewing machine and outer presser foot mechanism thereof Download PDFInfo
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- CN210151344U CN210151344U CN201920622474.8U CN201920622474U CN210151344U CN 210151344 U CN210151344 U CN 210151344U CN 201920622474 U CN201920622474 U CN 201920622474U CN 210151344 U CN210151344 U CN 210151344U
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Abstract
The utility model belongs to the technical field of make up machinery, a sewing machine and outer presser foot mechanism thereof is related to, it has solved current outer presser foot mechanism and has pressed the material and make up the poor scheduling problem of effect when meetting elasticity surface fabric, the uneven surface fabric of thickness. The outer presser foot mechanism comprises a linear driving source and an outer presser foot, wherein the outer presser foot is movably connected with the output end of the linear driving source and can be contacted with a template of the sewing machine under the action of the linear driving source; the outer presser foot mechanism further comprises an elastic piece arranged between the linear driving source and the outer presser foot, and when the outer presser foot is in contact with the sewing machine template, the elastic piece can apply acting force towards the sewing machine template to the outer presser foot. This external pressure foot mechanism is when meetting elastic fabric or the uneven surface fabric of thickness, and the elastic component can take place deformation correspondingly, simultaneously because the outside presser foot of deformation applies the effort towards the sewing machine template, guarantees to hug closely the template all the time at the during operation outside presser foot, guarantees to press the material effect to improve holistic effect of making up.
Description
Technical Field
The utility model belongs to the technical field of make up machinery, a sewing machine and external pressure foot mechanism thereof is related to.
Background
The template sewing machine is used as domestic independently researched and developed sewing equipment, is quite popular in the sewing field at present, an external pressure foot is an important mechanism of the template sewing machine, and particularly under the application environment of a multi-layer template, the upper layer template needs the continuous pressure of the external pressure foot, so that the shell fabric is prevented from running and the template is prevented from tilting.
The sewing machine and the outer presser foot device thereof disclosed by the Chinese patent CN 108754887A comprise an outer presser foot shaft and an outer presser foot, and further comprise a shell, wherein an outer presser foot guide chute connected with the shell is arranged in the shell, a vertical chute is arranged on the outer presser foot guide chute, an outer presser foot guide slider connected with the outer presser foot shaft is arranged at the upper end of the outer presser foot shaft, a slider matched with the chute is arranged on the outer presser foot guide slider, and the slider is arranged in the chute and moves up and down in the chute. When the device works, the outer presser foot shaft is driven to move by the presser foot lifting cylinder, and then the outer presser foot is driven to move.
However, the external presser foot device is of a rigid structure, and after the external presser foot presses the template, the external presser foot basically does not move up and down in the operation process of the machine, so that if the fabric with uneven thickness is encountered, the condition of dragging or insufficient pressing of the template can occur, and the sewing effect is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a sewing machine and external pressure foot mechanism thereof, the utility model aims to solve the technical problem that: how to improve this outer presser foot mechanism to elasticity cloth or the material pressing effect of uneven thickness cloth to improve holistic effect of making up.
The purpose of the utility model can be realized by the following technical proposal:
an outer presser foot mechanism of a sewing machine comprises a linear drive source and an outer presser foot, wherein the outer presser foot is movably connected with the output end of the linear drive source and can be contacted with a template of the sewing machine under the action of the linear drive source; the outer presser foot mechanism is characterized by further comprising an elastic member arranged between the linear driving source and the outer presser foot, and when the outer presser foot is in contact with the sewing machine template, the elastic member can apply acting force towards the sewing machine template to the outer presser foot.
The working principle is as follows: during operation, the output of sharp driving source removes, makes outer presser foot and template contact, and if meet elastic fabric or thin uneven surface fabric time, the elastic component can take place deformation correspondingly, simultaneously because the outside presser foot of deformation applys the effort towards the sewing machine template, guarantees to hug closely the template all the time at the during operation outer presser foot, guarantees to press the material effect to improve holistic effect of making.
In the outer presser foot mechanism of the sewing machine, the output end of the linear driving source is provided with the mounting plate, the lower end of the mounting plate is provided with the fixing pin, and the outer presser foot is provided with the first hinge seat hinged with the lower end of the fixing pin. When the outer presser foot is contacted with the template, the outer presser foot can swing around the joint of the first hinge seat and the fixed pin, so that the elastic piece deforms and is suitable for elastic fabrics or fabrics with different thicknesses.
In the above external presser foot mechanism of a sewing machine, as a scheme, the elastic member includes a pressure spring, an upper end of the pressure spring is connected to or attached to the mounting plate, and a lower end of the pressure spring is connected to or attached to the external presser foot. When the outer presser foot swings around the joint of the first hinge seat and the fixed pin, the pressure spring can be compressed and deformed, so that the outer presser foot is applied to the sewing machine template, and the outer presser foot is always attached to the sewing machine template.
In the external presser foot mechanism of the sewing machine, the external presser foot mechanism further comprises a guide pin, a second hinged seat hinged to the lower end of the guide pin is arranged on the external presser foot, the pressure spring is sleeved on the guide pin, the lower end of the pressure spring is attached to the second hinged seat, the upper end of the pressure spring is attached to the mounting plate, and the mounting plate is further provided with a guide hole matched with the guide pin. After the design has uide pin and guiding hole, when the swing of outer presser foot, the uide pin can be followed the guiding hole and removed, improves outer presser foot wobbling accuracy, stability, and deformation can take place for the pressure spring simultaneously, provides the effort to outer presser foot.
In the outer presser foot mechanism of the sewing machine, the guide hole is a kidney-shaped hole and is adapted to the moving track of the guide pin. When the outer presser foot swings, the guide pin can move up and down and also move along the horizontal direction, so that interference when the guide pin moves can be avoided after the guide hole is designed to be the waist-shaped hole, and the guide effect can be ensured.
In the above external presser foot mechanism of a sewing machine, the external presser foot mechanism further comprises a limit screw inserted into the guide hole, and the lower end of the limit screw can be attached to the upper end of the guide pin. After the design of the limiting screw, when the external pressure foot swings, the limiting screw can prevent the guide pin from slipping from the guide hole.
In the outer presser foot mechanism of the sewing machine, the diameter of the head of the limit screw is larger than the width of the guide hole. Due to the design, the limiting screw can be prevented from slipping out of the guide hole.
In the external presser foot mechanism of the sewing machine, as another scheme, the first hinged seat is hinged to the first fixed pin through a cylindrical pin, the elastic member is sleeved on the torsion spring on the fixed pin, and two ends of the torsion spring are respectively attached to the first hinged seat and the first fixed pin. When the outer presser foot swings, the torsion spring can apply acting force towards the sewing machine template to the outer presser foot.
In the above-described outer presser foot mechanism of a sewing machine, the linear drive source includes a cylinder.
The sewing machine is characterized by comprising the outer presser foot mechanism.
Compared with the prior art, the utility model has the advantages of it is following:
this external pressure foot mechanism is when meetting elastic fabric or the uneven surface fabric of thickness, and the elastic component can take place deformation correspondingly, simultaneously because the outside presser foot of deformation applies the effort towards the sewing machine template, guarantees to hug closely the template all the time at the during operation outside presser foot, guarantees to press the material effect to improve holistic effect of making up.
Drawings
Fig. 1 is a schematic structural diagram of a present external pressure foot mechanism in an embodiment.
Fig. 2 is an exploded view of the present external pressure foot mechanism of the first embodiment.
FIG. 3 is a top view of the present external pressure foot mechanism of one embodiment.
Fig. 4 is a partial structural schematic view of the present external pressure foot mechanism in the second embodiment.
In the figure, 1, a linear drive source; 2. an outer presser foot; 3. an elastic member; 4. mounting a plate; 5. a fixing pin; 6. a first hinge seat; 7. a pressure spring; 8. a guide pin; 9. a second hinge seat; 10. a guide hole; 11. a limit screw; 12. a cylindrical pin; 13. a torsion spring; 14. and (7) installing holes.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
The first embodiment is as follows:
as shown in fig. 1 and 2, the external presser foot mechanism includes a linear drive source 1 and an external presser foot 2, and the external presser foot 2 is movably connected to an output end of the linear drive source 1 and can be contacted with a template of the sewing machine under the action of the linear drive source 1. In the present embodiment, the linear drive source 1 is preferably an air cylinder, and may be a drive source such as an oil cylinder, a linear motor, or an electromagnet. In order to facilitate installation, the output end of the linear driving source 1 is further provided with an installation plate 4 in the embodiment.
In order to ensure that the outer presser foot 2 can be tightly attached to the sewing machine template all the time during working, the outer presser foot mechanism further comprises an elastic part 3 arranged between the linear driving source 1 and the outer presser foot 2, and when the outer presser foot 2 is contacted with the sewing machine template, the elastic part 3 can apply acting force towards the sewing machine template to the outer presser foot 2, and the outer presser foot 2 is ensured to be tightly attached to the sewing machine template under the action of the elastic part 3.
Specifically, in this embodiment, the mounting plate 4 is provided with a mounting hole 14, the fixing pin 5 is inserted into the mounting hole 14, the outer press leg 2 is provided with a first hinge seat 6 hinged to the lower end of the fixing pin 5, and the first hinge seat 6 is hinged to the fixing pin 5 through the cylindrical pin 12. It should be noted that, although the fixing pin 5 is designed to be cylindrical in the drawing, the fixing pin 5 may be designed to have a square cross section as another scheme, and the connection between the first hinge seat 6 and the fixing pin 5 may be implemented by a chain, a hinge, or the like, in addition to the cylindrical pin 12.
As shown in fig. 1, 2 and 3, in the present embodiment, the elastic member 3 preferably includes a compression spring 7, an upper end of the compression spring 7 is connected to or abuts against the mounting plate 4, and a lower end of the compression spring 7 is connected to or abuts against the external presser foot 2.
In order to ensure the stability of the outer presser foot 2 during swinging, the outer presser foot mechanism further comprises a guide pin 8, a second hinged seat 9 hinged with the lower end of the guide pin 8 is arranged on the outer presser foot 2, a pressure spring 7 is sleeved on the guide pin 8, the lower end of the pressure spring 7 is attached to the second hinged seat 9, the upper end of the pressure spring 7 is attached to the mounting plate 4, and a guide hole 10 matched with the guide pin 8 is further formed in the mounting plate 4. Preferably, the guide hole 10 is a kidney-shaped hole and is adapted to the moving track of the guide pin 8. The external pressure foot mechanism also comprises a limit screw 11 inserted in the guide hole 10, and the lower end of the limit screw 11 can be attached to the upper end of the guide pin 8. The diameter of the head of the limit screw 11 is larger than the width of the guide hole 10.
The working principle of the embodiment is as follows: the during operation, the output of cylinder removes towards the direction of sewing machine template, makes outer presser foot 2 contact with the template, and if meet elastic fabric or thin thick uneven surface fabric time, pressure spring 7 can take place deformation correspondingly, simultaneously because the outside presser foot 2 of deformation applys the effort towards the sewing machine template, guarantees to hug closely the template all the time at the course of the work because the outer presser foot 2 of deformation, guarantees to press the material effect to improve holistic effect of making up.
Example two:
the present embodiment is substantially the same as the first embodiment, except that in the present embodiment, the hinge seat one 6 is hinged to the fixing pin 5 through the cylindrical pin 12, the elastic member 3 includes a torsion spring 13 sleeved on the fixing pin 5, and two ends of the torsion spring 13 respectively abut against the hinge seat one 6 and the fixing pin 5. When the outer presser foot 2 swings, the torsion spring 13 may apply a force toward the sewing machine template to the outer presser foot 2.
The application also provides a sewing machine comprising the outer presser foot mechanism.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (10)
1. An outer presser foot mechanism of a sewing machine comprises a linear drive source (1) and an outer presser foot (2), wherein the outer presser foot (2) is movably connected with the output end of the linear drive source (1) and can be contacted with a template of the sewing machine under the action of the linear drive source (1); the outer presser foot mechanism is characterized by further comprising an elastic piece (3) arranged between the linear driving source (1) and the outer presser foot (2), and when the outer presser foot (2) is in contact with a template of the sewing machine, the elastic piece (3) can apply acting force towards the template of the sewing machine to the outer presser foot (2).
2. The outer presser foot mechanism of sewing machine according to claim 1, wherein the output end of the linear drive source (1) has a mounting plate (4), the lower end of the mounting plate (4) is provided with a fixing pin (5), and the outer presser foot (2) is provided with a first hinge seat (6) hinged with the lower end of the fixing pin (5).
3. External presser foot mechanism of a sewing machine according to claim 2, characterized in that said elastic member (3) comprises a compression spring (7), the upper end of said compression spring (7) being connected to or abutting against a mounting plate (4), the lower end of said compression spring (7) being connected to or abutting against said external presser foot (2).
4. The external presser foot mechanism of sewing machine according to claim 3, characterized in that said external presser foot mechanism further comprises a guide pin (8), said external presser foot (2) is provided with a second hinged seat (9) hinged with the lower end of said guide pin (8), said pressure spring (7) is sleeved on said guide pin (8), and the lower end of said pressure spring (7) is attached to said second hinged seat (9), the upper end of said pressure spring (7) is attached to a mounting plate (4), said mounting plate (4) is further provided with a guide hole (10) matched with said guide pin (8).
5. External presser foot mechanism of sewing machine according to claim 4, characterized in that said guide hole (10) is a kidney-shaped hole and is adapted to the movement trajectory of said guide pin (8).
6. The outer presser foot mechanism of a sewing machine according to claim 5, further comprising a limit screw (11) inserted into the guide hole (10), wherein a lower end of the limit screw (11) can abut against an upper end of the guide pin (8).
7. External presser foot mechanism of sewing machine according to claim 6, characterized in that the diameter of the head of said limit screw (11) is greater than the width of said guide hole (10).
8. The external presser foot mechanism of sewing machine according to claim 2, wherein said first hinge seat (6) is hinged to said fixing pin (5) by a cylindrical pin (12), said elastic member (3) comprises a torsion spring (13) sleeved on said fixing pin (5), and two ends of said torsion spring (13) respectively abut against said first hinge seat (6) and said fixing pin (5).
9. Outer presser foot mechanism of sewing machine according to claim 1, characterized in that said linear drive source (1) comprises a cylinder.
10. A sewing machine characterized in that it comprises an external presser foot mechanism as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622474.8U CN210151344U (en) | 2019-04-30 | 2019-04-30 | Sewing machine and outer presser foot mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920622474.8U CN210151344U (en) | 2019-04-30 | 2019-04-30 | Sewing machine and outer presser foot mechanism thereof |
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| Publication Number | Publication Date |
|---|---|
| CN210151344U true CN210151344U (en) | 2020-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920622474.8U Active CN210151344U (en) | 2019-04-30 | 2019-04-30 | Sewing machine and outer presser foot mechanism thereof |
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| CN (1) | CN210151344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042571A (en) * | 2019-04-30 | 2019-07-23 | 浙江美机缝纫机有限公司 | A kind of sewing machine and its outer presser foot device |
-
2019
- 2019-04-30 CN CN201920622474.8U patent/CN210151344U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042571A (en) * | 2019-04-30 | 2019-07-23 | 浙江美机缝纫机有限公司 | A kind of sewing machine and its outer presser foot device |
| CN110042571B (en) * | 2019-04-30 | 2024-05-28 | 美机科技集团有限公司 | Sewing machine and outer presser foot mechanism thereof |
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Address after: 317502 No.8 Jinxiu Road, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Meiji Technology Group Co.,Ltd. Address before: 317502 Zhongxiang Industrial Zone, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG MAQI SEWING MACHINE Co.,Ltd. |