CN212560671U - 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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- CN212560671U CN212560671U CN201921001939.4U CN201921001939U CN212560671U CN 212560671 U CN212560671 U CN 212560671U CN 201921001939 U CN201921001939 U CN 201921001939U CN 212560671 U CN212560671 U CN 212560671U
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Abstract
The utility model provides a lift presser foot structure and have its sewing machine for the presser foot rod motion of installing the presser foot is installed in order to realize lifting the presser foot action in the drive, lifts the presser foot structure and includes: an operation unit having an operation member to be operated by the lower limb of the operator; the transmission assembly is connected with the operation assembly and the presser foot rod, so that the operation assembly drives the transmission assembly to move when an operator operates the operation component, the transmission assembly drives the presser foot rod to ascend to realize presser foot lifting action, and the problem that a presser foot lifting mode of a sewing machine in the prior art is inconvenient is solved.
Description
Technical Field
The utility model relates to a sewing field particularly, relates to a lift presser foot structure and have its sewing machine.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more sewing threads on a work piece and one or more stitches on the work piece to interlace or stitch one or more layers of the work piece together.
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.
Before sewing or when sewing is finished, the presser foot is required to be lifted to take and place cloth, and the presser foot is lifted through a hand-held presser foot structure in the traditional operation, so that the operation is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a lift presser foot structure and have its sewing machine to solve the comparatively inconvenient problem of presser foot mode of lifting of sewing machine among the prior art.
In order to realize the above-mentioned purpose, according to the utility model discloses an aspect provides a lift presser foot structure for the presser bar motion that the presser foot was installed in the drive lifts the presser foot action in order to realize, lifts the presser foot structure and includes: an operation unit having an operation member to be operated by the lower limb of the operator; the transmission assembly is connected with the operation assembly and the presser foot rod, so that the operation assembly drives the transmission assembly to move when an operator operates the operation component, and the transmission assembly drives the presser foot rod to ascend to realize the action of lifting the presser foot.
Further, the transmission assembly includes: the pull rod is in transmission connection with the presser foot rod so as to drive the presser foot rod to ascend by pulling the pull rod to move.
Further, the transmission assembly further comprises: the pull rod is connected with the presser foot lifting crank so as to pull the presser foot lifting crank to swing; the pressure foot lifting crank is connected with the pressure foot rod so as to drive the pressure foot rod to ascend when the pressure foot lifting crank swings.
Further, the presser bar rod is fixedly provided with a presser bar rod slide block, and a crank pin is arranged on the presser bar crank and the presser bar rod slide block in a penetrating manner so as to connect and lift the presser bar crank and the presser bar rod slide block through the crank pin.
Further, the transmission assembly further comprises: the guide bar is provided with a guide groove, the presser bar slide block is provided with a positioning rod, and at least part of the positioning rod is positioned in the guide groove so as to guide the presser bar slide block through the guide bar.
Further, the transmission assembly further comprises: the transmission shaft is rotatably arranged; the transmission crank is arranged on the transmission shaft and connected with the pull rod so as to drive the pull rod to move under the driving action of the operation part on the transmission shaft.
Further, the transmission assembly further comprises: a fixing pin; the elastic component resets, and the one end of elastic component resets is connected with the transmission crank, and the other end of elastic component resets is connected with the fixed pin to when the drive effort on the operating element disappears, make the transmission crank reset.
Further, the operating assembly comprises: and the operation connecting rod is connected with the transmission shaft so as to drive the transmission shaft to rotate when the operation connecting rod swings under the action of the operation part.
Further, the operating assembly further comprises: and the adjusting rod is connected with the operating component and the operating connecting rod, so that the operating connecting rod swings when the adjusting rod is pushed by the operating component.
Further, the operating assembly further comprises: the fixed seat is arranged on the operating component; the limiting seat is arranged on the adjusting rod and matched with the fixing seat so that the adjusting rod is connected with the operating part.
Furthermore, the fixed seat is clamped with the limiting seat to prevent the adjusting rod and the operating part from rotating relatively.
Further, the operating assembly further comprises: the connecting rod adjusts the seat, is provided with first connecting hole and second connecting hole on the connecting rod adjusts the seat, and the operation connecting rod wears to establish in first connecting hole, adjusts the pole and wears to establish in the second connecting hole to make operation connecting rod and regulation pole adjust the seat through the connecting rod and connect.
Further, the operating assembly comprises: the operation support pillar is sleeved on the transmission shaft and provided with a swinging hole, and the operation connecting rod is arranged in the swinging hole in a penetrating mode so as to drive the transmission shaft to rotate through the operation support pillar when the operation connecting rod swings.
According to the utility model discloses an on the other hand provides a sewing machine, including the presser bar that is used for installing the presser foot and with the presser bar transmission be connected lift the presser foot structure, lift the presser foot structure and be foretell lift the presser foot structure.
Use the technical scheme of the utility model, lift presser foot structure and include operating element and drive assembly, operating element has the operating element who supplies operator's low limbs operation, and drive assembly all is connected with operating element and presser bar to make operating element drive assembly motion when the operator operates operating element, so that drive assembly drives the presser bar and rises in order to realize lifting the presser foot action, the utility model discloses utilize the knee to lean on the action, through the utility model provides a drive assembly plays and lifts the presser foot effect to let the workman liberate both hands when the operation and let work efficiency higher, solved the comparatively inconvenient problem of the presser foot mode of lifting of the sewing machine among the prior art.
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 structural view of an embodiment of a pressure foot lifting structure according to the present invention; and
fig. 2 shows a schematic structural view of an embodiment of a presser foot crank according to the present invention.
Wherein the figures include the following reference numerals:
10. a presser bar; 11. a presser foot; 20. an operating member; 30. a pull rod; 31. lifting a presser foot crank; 12. a presser bar slide block; 120. positioning a rod; 40. a crank pin; 32. a guide bar; 33. a drive shaft; 34. a drive crank; 35. a fixing pin; 36. a restoring elastic member; 21. operating the connecting rod; 22. adjusting a rod; 23. a fixed seat; 24. a limiting seat; 25. a connecting rod adjusting seat; 26. the top pillar is operated.
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.
The utility model provides a lift presser foot structure please refer to fig. 1 and fig. 2 for the motion is in order to realize lifting the presser foot action in the drive presser foot pole 10 that installs presser foot 11, and wherein, lift the presser foot structure and include: an operation unit having an operation member 20 for operating the lower limbs of the operator; and the transmission component is connected with the operation component and the presser foot rod 10, so that when an operator operates the operation component 20, the operation component drives the transmission component to move, and the transmission component drives the presser foot rod 10 to ascend to realize the presser foot lifting action.
The utility model provides a lift presser foot structure, including operating means and drive assembly, operating means has the operating means 20 that supplies operator's low limbs to operate, and drive assembly all is connected with operating means and presser bar 10 to make operating means drive assembly motion when the operator operates operating means 20, so that drive assembly drives presser bar 10 and rises in order to realize lifting the presser foot action, the utility model discloses utilize the knee to lean on the action, through the utility model provides a drive assembly plays and lifts the presser foot effect to let the workman liberate both hands when the operation and let work efficiency higher, solved the comparatively inconvenient problem of the presser foot mode of lifting of the sewing machine among the prior art.
Specifically, the transmission assembly includes: the pull rod 30 is in transmission connection with the presser bar 10, so that the pull rod 30 drives the presser bar 10 to ascend by pulling the pull rod 30 to move, the presser crank 31 is lifted, and the pull rod 30 is connected with the presser crank 31 to pull the presser crank 31 to swing; the presser foot lifting crank 31 is connected to the presser foot lever 10 to drive the presser foot lever 10 to ascend when the presser foot lifting crank 31 swings.
The utility model provides an in the embodiment, the fixed presser bar slider 12 that is provided with on presser bar 10 lifts and wears to be equipped with crank pin 40 on presser bar crank 31 and the presser bar slider 12 to connect through crank pin 40 and lift presser bar crank 31 and presser bar slider 12.
The transmission assembly further includes: the guide bar 32 is provided with a guide groove on the guide bar 32, the presser bar slide block 12 is provided with a positioning rod 120, and at least part of the positioning rod 120 is located in the guide groove so as to guide the presser bar slide block 12 through the guide bar 32.
In order to help the presser foot to reset after the action of lifting the presser foot is completed, the transmission assembly further comprises: the transmission shaft 33, the transmission shaft 33 is rotatably arranged; the transmission crank 34 is installed on the transmission shaft 33, and the transmission crank 34 is connected with the pull rod 30 so as to drive the pull rod 30 to move under the driving action of the transmission shaft 33 on the operating part 20; a fixing pin 35; and a return elastic member 36, one end of the return elastic member 36 being connected to the driving crank 34, and the other end of the return elastic member 36 being connected to the fixing pin 35, for returning the driving crank 34 when the driving force on the operating member 20 is removed.
In particular implementation, the operating assembly comprises: an operation link 21, wherein the operation link 21 is connected with the transmission shaft 33 to drive the transmission shaft 33 to rotate when the operation link 21 swings under the action of the operation part 20; the adjusting lever 22, the operating member 20 and the operating link 21 are connected to swing the operating link 21 when the adjusting lever 22 is pushed by the operating member 20, as shown in fig. 1, the direction indicated by the arrow is the rotating direction of each member, and by applying a force to the operating member 20, the operating link 21 drives the transmission shaft 33 to rotate, and further drives the transmission crank 34 to rotate in the direction shown in the figure, so as to drive the pull rod 30 to move.
To facilitate the mounting of the operating member 20, the operating assembly further comprises: a fixed seat 23, the fixed seat 23 being provided on the operating member 20; the limiting seat 24 is arranged on the adjusting rod 22, and the limiting seat 24 is matched with the fixed seat 23, so that the adjusting rod 22 is connected with the operating part 20.
Preferably, the fixing seat 23 and the limiting seat 24 are engaged to prevent the adjusting rod 22 and the operating member 20 from rotating relatively.
In particular implementation, the operating assembly further comprises: the connecting rod adjusting seat 25 is provided with a first connecting hole and a second connecting hole, the operating connecting rod 21 is arranged in the first connecting hole in a penetrating mode, and the adjusting rod 22 is arranged in the second connecting hole in a penetrating mode, so that the operating connecting rod 21 and the adjusting rod 22 are connected through the connecting rod adjusting seat 25; the operation top column 26 is sleeved on the transmission shaft 33, a swinging hole is formed in the operation top column 26, and the operation connecting rod 21 penetrates through the swinging hole so that the transmission shaft 33 is driven to rotate through the operation top column 26 when the operation connecting rod 21 swings.
The utility model also provides a sewing machine, including the presser bar 10 that is used for installing presser foot 11 and lift the presser foot structure with being connected with presser bar 10 transmission, lift the presser foot structure and be the lift presser foot structure of above-mentioned embodiment.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model provides a lift presser foot structure, including operating means and drive assembly, operating means has the operating means 20 that supplies operator's low limbs to operate, and drive assembly all is connected with operating means and presser bar 10 to make operating means drive assembly motion when the operator operates operating means 20, so that drive assembly drives presser bar 10 and rises in order to realize lifting the presser foot action, the utility model discloses utilize the knee to lean on the action, through the utility model provides a drive assembly plays and lifts the presser foot effect to let the workman liberate both hands when the operation and let work efficiency higher, solved the comparatively inconvenient problem of the presser foot mode of lifting of the sewing machine among the prior art.
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 (14)
1. A pressure foot lifting structure is used for driving a pressure foot rod (10) provided with a pressure foot (11) to move so as to realize the action of lifting the pressure foot, and is characterized by comprising the following components:
an operation unit having an operation member (20) to be operated by the lower limb of the operator;
the transmission assembly is connected with the operation assembly and the presser foot rod (10) so that the operation assembly drives the transmission assembly to move when an operator operates the operation component (20), and the transmission assembly drives the presser foot rod (10) to ascend to achieve presser foot lifting action.
2. The lift presser foot structure of claim 1, wherein the drive assembly comprises:
the pull rod (30) is in transmission connection with the presser foot rod (10), so that the pull rod (30) drives the presser foot rod (10) to ascend by pulling the pull rod (30) to move.
3. The lift presser foot structure of claim 2, wherein the drive assembly further comprises:
the pressure foot lifting crank (31), the pull rod (30) is connected with the pressure foot lifting crank (31) to pull the pressure foot lifting crank (31) to swing; the presser foot lifting crank (31) is connected with the presser foot rod (10) so as to drive the presser foot rod (10) to ascend when the presser foot lifting crank (31) swings.
4. The presser foot lifting structure according to claim 3, wherein a presser foot rod slider (12) is fixedly arranged on the presser foot rod (10), and a crank pin (40) is arranged on the presser foot lifting crank (31) and the presser foot rod slider (12) in a penetrating manner so as to connect the presser foot lifting crank (31) and the presser foot rod slider (12) through the crank pin (40).
5. The lift presser foot structure of claim 4, wherein the drive assembly further comprises:
the guide rod (32), be provided with the guide way on the guide rod (32), be provided with locating lever (120) on presser bar slider (12), at least part of locating lever (120) is located the guide way to through guide rod (32) are to presser bar slider (12) are led.
6. The lift presser foot structure of claim 2, wherein the drive assembly further comprises:
a transmission shaft (33), the transmission shaft (33) being rotatably disposed;
the transmission crank (34) is installed on the transmission shaft (33), and the transmission crank (34) is connected with the pull rod (30) so as to drive the pull rod (30) to move under the driving action of the operation component (20) on the transmission shaft (33).
7. The lift presser foot structure of claim 6, wherein the drive assembly further comprises:
a fixing pin (35);
the reset elastic piece (36), one end of the reset elastic piece (36) is connected with the transmission crank (34), and the other end of the reset elastic piece (36) is connected with the fixing pin (35) so as to reset the transmission crank (34) when the driving acting force on the operating component (20) disappears.
8. The lift and presser foot structure of claim 6, wherein the operating assembly comprises:
the operation connecting rod (21) is connected with a transmission shaft (33) so as to drive the transmission shaft (33) to rotate when the operation connecting rod (21) swings under the action of the operation part (20).
9. The lift and presser foot structure of claim 8, wherein the operating assembly further comprises:
the adjusting rod (22), the adjusting rod (22) with operating means (20) and operating connecting rod (21) all are connected to when adjusting rod (22) receives operating means's (20) push effect, make operating connecting rod (21) take place the swing.
10. The lift and presser foot structure of claim 9, wherein the operating assembly further comprises:
a fixed seat (23), wherein the fixed seat (23) is arranged on the operating component (20);
the limiting seat (24) is arranged on the adjusting rod (22), and the limiting seat (24) is matched with the fixing seat (23) so that the adjusting rod (22) is connected with the operating component (20).
11. The presser foot lifting structure according to claim 10, wherein the fixing seat (23) and the limiting seat (24) are engaged to prevent the adjusting lever (22) and the operating member (20) from rotating relatively.
12. The lift and presser foot structure of claim 9, wherein the operating assembly further comprises:
the connecting rod adjusts seat (25), be provided with first connecting hole and second connecting hole on connecting rod adjusts seat (25), operation connecting rod (21) wear to establish in the first connecting hole, it wears to establish to adjust pole (22) in the second connecting hole, so that operation connecting rod (21) with adjust pole (22) and pass through connecting rod adjusts seat (25) and connects.
13. The lift and presser foot structure of claim 8, wherein the operating assembly comprises:
operation fore-set (26), operation fore-set (26) cover is established on transmission shaft (33), be provided with the swing hole on operation fore-set (26), operation connecting rod (21) wear to establish in the swing hole, in order to pass through during operation connecting rod (21) swing operation fore-set (26) drive transmission shaft (33) rotate.
14. A sewing machine comprising a presser bar (10) for mounting a presser foot (11) and a presser foot lifting structure in driving connection with said presser bar (10), characterized in that said presser foot lifting structure is as claimed in any one of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001939.4U CN212560671U (en) | 2019-06-28 | 2019-06-28 | Lift presser foot structure and have its sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001939.4U CN212560671U (en) | 2019-06-28 | 2019-06-28 | Lift presser foot structure and have its sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212560671U true CN212560671U (en) | 2021-02-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921001939.4U Active CN212560671U (en) | 2019-06-28 | 2019-06-28 | Lift presser foot structure and have its sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212560671U (en) |
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2019
- 2019-06-28 CN CN201921001939.4U patent/CN212560671U/en active Active
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