CN218059440U - Lift presser foot structure and have its sewing machine - Google Patents
Lift presser foot structure and have its sewing machine Download PDFInfo
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- CN218059440U CN218059440U CN202222364271.8U CN202222364271U CN218059440U CN 218059440 U CN218059440 U CN 218059440U CN 202222364271 U CN202222364271 U CN 202222364271U CN 218059440 U CN218059440 U CN 218059440U
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- presser foot
- lifting
- rod
- driven wheel
- sewing machine
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- 238000009958 sewing Methods 0.000 title claims abstract description 53
- 230000001360 synchronised Effects 0.000 claims abstract description 11
- 230000000149 penetrating Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 230000001429 stepping Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000001105 regulatory Effects 0.000 description 1
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Abstract
The utility model provides a presser foot lifting structure and a sewing machine with the same, wherein a driving motor is connected with the body of the sewing machine, and an output shaft of the driving motor is provided with a driving wheel; the driven wheel is rotatably arranged on the machine body of the sewing machine; the synchronous belt is sleeved on the driving wheel and the driven wheel; the presser foot part drive from the driving wheel with sewing machine is connected to drive the presser foot part and do and lift the presser foot motion, the utility model discloses a lift the problem of the inconvenient regulation of height of lifting the presser foot structure of sewing machine among the prior art of having solved the presser foot structure.
Description
Technical Field
The utility model relates to a sewing machine field particularly, relates to a lift presser foot structure and have its sewing machine.
Background
The existing sewing machine has multiple functions and can meet various requirements of sewing operation. Therefore, the sewing machine is a precise machine. When the existing sewing machine is used for sewing, the sewing action of the sewing machine needs to be driven by a presser foot lifting structure.
However, the conventional sewing machine adopts an electromagnet to drive the presser foot lifting structure, the lifting height of the presser foot is fixed, and the noise is large in the presser foot laying process.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a sewing machine with a presser foot lifting structure and a sewing machine having the same, which solves the problem of inconvenient adjustment of the height of the presser foot lifting structure of the sewing machine in the prior art.
In order to achieve the above object, according to the utility model discloses an aspect provides a lift presser foot structure, include: the driving motor is connected with the sewing machine body, and an output shaft of the driving motor is provided with a driving wheel; the driven wheel is rotatably arranged on the machine body of the sewing machine; the synchronous belt is sleeved on the driving wheel and the driven wheel; the driven wheel is in driving connection with a presser foot component of the sewing machine so as to drive the presser foot component to do presser foot lifting motion.
Further, the radius of the driving wheel is smaller than the radius of the driven wheel.
Furthermore, lift presser foot structure still includes the pull rod, and the one end of pull rod is connected with following the relative rotationally, and the other end of pull rod is used for being connected with presser foot spare to drive the motion of presser foot spare through rotating the pull rod.
Furthermore, lift presser foot structure still includes the lift bar, is provided with first connecting hole on the lift bar to through wearing to establish the connecting piece in to first connecting hole, make the lift bar rotationally be connected with sewing machine's organism relatively, the lift bar is kept away from the one end of following the driving wheel with the pull rod and is connected, in order to drive the lift bar rotation through following the driving wheel, the lift bar is used for driving the motion of presser foot part.
Furthermore, a second connecting hole is formed in the driven wheel, so that the pull rod and the driven wheel can be relatively and rotatably connected by arranging a connecting piece in the second connecting hole; and/or a third connecting hole is formed in the lifting rod, so that the pull rod and the lifting rod are relatively rotatably connected by arranging a connecting piece in the third connecting hole.
Further, the lifting rod comprises a first connecting part and a second connecting part, the first connecting part is hinged with the pull rod, and the second connecting part is used for being in driving connection with the foot pressing part.
Furthermore, the presser foot lifting structure further comprises a presser foot guide rod, the presser foot guide rod is connected with the second connecting portion, and the presser foot part is arranged on the presser foot guide rod.
Further, lift presser foot structure still includes the presser foot guide frame, and the presser foot guide frame cover is established on the presser foot guide arm, and the cover is equipped with the elastic component on the presser foot guide arm, and the one end and the presser foot guide frame of elastic component are connected, and the other end of elastic component is connected with the pressure adjustment pole, and the distance between pressure adjustment pole and the presser foot guide frame sets up adjustably, and the presser foot guide frame is connected with the second connecting portion.
According to the utility model discloses an on the other hand provides a sewing machine, including lifting the presser foot structure, lift the presser foot structure and be foretell lift the presser foot structure.
Further, sewing machine's organism includes first organism and second organism, and first organism and second organism set up with looks interval, follow the driving wheel setting between first organism and second organism, and one side that the second organism was kept away from to first organism is provided with the driving motor who is used for driving the drive wheel.
By applying the technical scheme of the utility model, the presser foot lifting structure comprises a driving motor, the driving motor is connected with the sewing machine body, and the output shaft of the driving motor is provided with a driving wheel; the driven wheel is rotatably arranged on the machine body of the sewing machine; the synchronous belt is sleeved on the driving wheel and the driven wheel; the driven wheel is in driving connection with the presser foot component of the sewing machine to drive the presser foot component to do presser foot lifting motion, the motor and the synchronous wheel are used for driving the presser foot lifting structure to control and set the required height of the presser foot to be lifted, so that the height of the actual requirement in the use working condition is completely met, the efficiency is improved, the speed of the presser foot laying down can be controlled, the noise of the presser foot laying down is reduced, and the problem of inconvenient height adjustment of the presser foot lifting structure of the sewing machine in the prior art is solved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic view of a view angle of an embodiment of a sewing machine according to the present invention;
fig. 2 is a schematic view showing another view of the embodiment of the sewing machine of the present invention;
fig. 3 shows a schematic structural view of an embodiment of the pressure raising and pressing foot structure of the present invention;
fig. 4 is a schematic view illustrating a state that the presser foot of the presser foot lifting structure of the present invention is lifted;
fig. 5 shows a schematic view of the state that the presser foot of the presser foot lifting structure of the present invention is pressed down.
Wherein the figures include the following reference numerals:
10. a body; 101. a first body; 102. a second body; 20. a presser foot member; 30. a pressure rod sleeve; 40. a needle plate;
1. a drive wheel; 2. a driven wheel; 21. a second connection hole; 3. a synchronous belt; 4. a drive motor; 5. a pull rod; 6. a lifting bar; 61. a first connection hole; 63. a third connection hole; 7. a presser foot guide bar; 71. a pressure regulating rod; 8. a presser foot guide; 9. an elastic member.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 5, the lift and press foot structure of the present embodiment includes: the driving motor 4, the driving motor 4 is connected with organism 10 of the Sewing machines, there are driving wheels 1 on the output shaft of the driving motor 4; a driven wheel 2, wherein the driven wheel 2 is rotatably arranged on a machine body 10 of the sewing machine; the synchronous belt 3 is sleeved on the driving wheel 1 and the driven wheel 2; follow driving wheel 2 and sewing machine's presser foot spare 20 drive connection to drive presser foot spare 20 and do and lift the presser foot motion, the aforesaid setting has adopted motor and synchronous wheel drive to lift the presser foot structure, can control and set for required presser foot height of lifting, make its height that satisfies actual demand in the operating mode completely, thereby raise the efficiency, also can control the speed that the presser foot put down, thereby the noise when having reduced the presser foot and putting down, the problem of the inconvenient regulation of height of the presser foot structure of lifting of sewing machine among the prior art has been solved.
Referring to fig. 1 to 5, in the presser foot lifting structure of the present embodiment, the radius of the driving wheel 1 is smaller than that of the driven wheel 2. Thus, the moving accuracy of the presser foot can be controlled more accurately.
In the presser foot lifting structure of the present embodiment, referring to fig. 1 to 5, the presser foot lifting structure further includes a pull rod 5, one end of the pull rod 5 is relatively rotatably connected to the driven wheel 2, and the other end of the pull rod 5 is used for being connected to the presser foot part 20, so as to drive the presser foot part 20 to move by rotating the pull rod 5.
In some embodiments, the draw bar 5 may be attached to either of the opposite sides of the driven wheel 2 depending on the structure of the sewing machine.
Referring to fig. 1 to 5, in the presser foot lifting structure of the present embodiment, the presser foot lifting structure further includes a lifting rod 6, the lifting rod 6 is provided with a first connecting hole 61, so that the lifting rod 6 is relatively rotatably connected to the machine body 10 of the sewing machine by penetrating a connecting member into the first connecting hole 61, the lifting rod 6 is connected to one end of the pull rod 5 far away from the driven wheel 2, so as to drive the lifting rod 6 to rotate by the driven wheel 2, and the lifting rod 6 is used for driving the presser foot component 20 to move.
In the presser foot lifting structure of the present embodiment, referring to fig. 1 to 5, a second connection hole 21 is provided on the tooth surface of the driven wheel 2 to connect the pull rod 5 and the driven wheel 2 relatively rotatably by providing a connection member into the second connection hole 21; and/or a third connecting hole 63 is formed in the lifting rod 6, so that the pull rod 5 and the lifting rod 6 are relatively rotatably connected by arranging a connecting piece into the third connecting hole 63.
Referring to fig. 1 to 5, in the presser foot lifting structure of the present embodiment, the lifting rod 6 includes a first connecting portion hinged to the pull rod 5 and a second connecting portion for driving connection with the presser foot member 20.
In the presser foot lifting structure of the present embodiment, referring to fig. 1 to 5, the presser foot lifting structure further includes a presser foot guide 7, the presser foot guide 7 is connected to the second connecting portion, and the presser foot member 20 is disposed on the presser foot guide 7.
Referring to fig. 1 to 5, in the presser foot lifting structure of this embodiment, the presser foot lifting structure further includes a presser foot guide 8, the presser foot guide 8 is sleeved on the presser foot guide rod 7, the presser foot guide rod 7 is sleeved with an elastic member 9, one end of the elastic member 9 is connected with the presser foot guide 8, the other end of the elastic member 9 is connected with a pressure adjusting rod 71, a distance between the pressure adjusting rod 71 and the presser foot guide 8 is adjustably set, and the presser foot guide 8 is connected with the second connecting portion.
The sewing machine comprises the presser foot lifting structure.
Referring to fig. 1, in the presser foot lifting structure of the present embodiment, a body 10 of the sewing machine includes a first body 101 and a second body 102, the first body 101 and the second body 102 are disposed at an interval, a driven wheel 2 is disposed between the first body 101 and the second body 102, and a driving motor 4 for driving a driving wheel 1 is disposed on a side of the first body 101 away from the second body 102.
In some embodiments, the sewing machine further comprises a presser bar housing 60, and the presser bar guide 7 moves up and down through the presser bar housing 60, so that the presser bar lifting action is more stable.
The working process of the presser foot lifting structure of the embodiment is as follows:
the stepping motor (namely, the driving motor 4) is fixed on a machine body 10 of the sewing machine, the driving wheel 1 is fixed on a motor shaft of the stepping motor, the driving wheel 1 is connected with the driven wheel 2 through the synchronous belt 3, and when the driving wheel 1 rotates, the driven wheel 2 is driven to rotate, so that the pull rod 5 hinged at the second connecting hole 21 is driven to move; the other end of the pull rod 5 is hinged at the third connecting hole 63 of the lifting rod 6, when the pull rod 5 moves, the lifting rod 6 is driven to swing along the axis of the first connecting hole 61, and the lifting rod 6 is hinged with the machine body 10 through the first connecting hole 61; one end of the lifting rod 6 is abutted against the presser foot guide rod 7, and when the lifting rod 6 swings, the presser foot guide frame 8 is jacked up, so that the presser foot guide rod 7 fixedly connected with the presser foot guide frame 8 is lifted along the axial direction of the presser foot shaft, and the presser foot component 20 is separated from the needle plate 40.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the presser foot lifting structure of the embodiment comprises a driving motor 4, wherein the driving motor 4 is connected with a machine body 10 of the sewing machine, and a driving wheel 1 is arranged on an output shaft of the driving motor 4; a driven wheel 2, wherein the driven wheel 2 is rotatably arranged on a machine body 10 of the sewing machine; the synchronous belt 3 is sleeved on the driving wheel 1 and the driven wheel 2; follow driving wheel 2 and sewing machine's presser foot spare 20 drive connection to drive presser foot spare 20 and do and lift the presser foot motion, the aforesaid setting has adopted motor and synchronous wheel drive to lift the presser foot structure, can control and set for required presser foot height of lifting, make its height that satisfies actual demand in the operating mode completely, thereby raise the efficiency, also can control the speed that the presser foot put down, thereby the noise when having reduced the presser foot and putting down, the problem of the inconvenient regulation of height of the presser foot structure of lifting of sewing machine among the prior art has been solved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A lift presser foot structure, characterized in that includes:
the sewing machine comprises a driving motor (4), wherein the driving motor (4) is connected with a machine body (10) of the sewing machine, and an output shaft of the driving motor (4) is provided with a driving wheel (1);
the driven wheel (2), the said driven wheel (2) is set up on the organism (10) of the said Sewing machines rotatably;
the synchronous belt (3) is sleeved on the driving wheel (1) and the driven wheel (2); the driven wheel (2) is in driving connection with a presser foot component (20) of the sewing machine so as to drive the presser foot component (20) to perform presser foot lifting movement.
2. Presser foot arrangement according to claim 1, characterized in that the radius of the driving wheel (1) is smaller than the radius of the driven wheel (2).
3. The presser foot lifting structure according to claim 1, further comprising a pull rod (5), wherein one end of the pull rod (5) is rotatably connected with the driven wheel (2), and the other end of the pull rod (5) is used for being connected with the presser foot component (20) so as to drive the presser foot component (20) to move by rotating the pull rod (5).
4. The presser foot lifting structure according to claim 3, characterized in that the presser foot lifting structure further comprises a lifting rod (6), the lifting rod (6) is provided with a first connecting hole (61) for connecting the lifting rod (6) with the body (10) of the sewing machine in a relatively rotatable manner by penetrating a connecting piece into the first connecting hole (61), the lifting rod (6) is connected with one end of the pull rod (5) far away from the driven wheel (2) for driving the lifting rod (6) to rotate through the driven wheel (2), and the lifting rod (6) is used for driving the presser foot component (20) to move.
5. The lift and press foot structure according to claim 4,
a second connecting hole (21) is formed in the tooth surface of the driven wheel (2), and a connecting piece is arranged in the second connecting hole (21) to enable the pull rod (5) and the driven wheel (2) to be relatively and rotatably connected; and/or the presence of a gas in the atmosphere,
and a third connecting hole (63) is formed in the lifting rod (6), so that the pull rod (5) and the lifting rod (6) are relatively and rotatably connected by arranging a connecting piece in the third connecting hole (63).
6. Presser foot lifting arrangement according to claim 4, wherein the lifting bar (6) comprises a first connection and a second connection, the first connection being hinged with the pull rod (5) and the second connection being for driving connection with the presser foot member (20).
7. The presser foot lifting structure according to claim 6, further comprising a presser foot guide (7), the presser foot guide (7) being connected to the second connecting portion, the presser foot member (20) being provided on the presser foot guide (7).
8. The presser foot lifting structure according to claim 7, characterized in that the presser foot lifting structure further comprises a presser foot guide (8), the presser foot guide (8) is sleeved on the presser foot guide rod (7), an elastic member (9) is sleeved on the presser foot guide rod (7), one end of the elastic member (9) is connected with the presser foot guide (8), the other end of the elastic member (9) is connected with a pressure adjusting rod (71), the distance between the pressure adjusting rod (71) and the presser foot guide (8) is adjustably arranged, and the presser foot guide (8) is connected with the second connecting portion.
9. A sewing machine comprising a presser foot lifting structure, wherein the presser foot lifting structure is as claimed in any one of claims 1 to 8.
10. The sewing machine according to claim 9, characterized in that the machine body (10) comprises a first machine body (101) and a second machine body (102), the first machine body (101) and the second machine body (102) are arranged at intervals, the driven wheel (2) is arranged between the first machine body (101) and the second machine body (102), and a driving motor (4) for driving the driving wheel (1) is arranged on the side of the first machine body (101) far away from the second machine body (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222364271.8U CN218059440U (en) | 2022-09-06 | 2022-09-06 | Lift presser foot structure and have its sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222364271.8U CN218059440U (en) | 2022-09-06 | 2022-09-06 | Lift presser foot structure and have its sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218059440U true CN218059440U (en) | 2022-12-16 |
Family
ID=84409110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222364271.8U Active CN218059440U (en) | 2022-09-06 | 2022-09-06 | Lift presser foot structure and have its sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218059440U (en) |
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2022
- 2022-09-06 CN CN202222364271.8U patent/CN218059440U/en active Active
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