CN214271246U - Height-adjustable sewing machine presser foot - Google Patents
Height-adjustable sewing machine presser foot Download PDFInfo
- Publication number
- CN214271246U CN214271246U CN202022800005.6U CN202022800005U CN214271246U CN 214271246 U CN214271246 U CN 214271246U CN 202022800005 U CN202022800005 U CN 202022800005U CN 214271246 U CN214271246 U CN 214271246U
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- presser foot
- supporting seat
- sewing machine
- spring
- adjusting
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- 238000009958 sewing Methods 0.000 title claims abstract description 26
- 230000008878 coupling Effects 0.000 claims abstract 2
- 238000010168 coupling process Methods 0.000 claims abstract 2
- 238000005859 coupling reaction Methods 0.000 claims abstract 2
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 abstract description 5
- 239000010985 leather Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000006872 improvement Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a height-adjustable's sewing machine presser foot, including supporting seat, rotatable coupling's preforming on the supporting seat, be provided with a regulating assembly on the supporting seat, a regulating assembly can promote the preforming upwards rotate to a certain position and can keep locking this state in order to prevent the preforming and rotate downwards. The utility model discloses utilize first adjusting part to adjust the turned angle of preforming to adjust the presser foot from the height of faller, make the presser foot can be suitable for the needs of making up of materials such as leather, the fabric of different thickness.
Description
Technical Field
The utility model relates to an industrial sewing machine field specifically is a height-adjustable's sewing machine presser foot.
Background
Utilize the sewing machine to leather, when the fabric etc. is made up, need compress tightly the leather through the presser foot, materials such as fabric are walked the line and are made up again, current sewing machine presser foot, it is 2015.06.12 if the application date, the public day is the unilateral presser foot of sewing machine that 2015.10.07's chinese utility model patent CN204690275U discloses, set up the counter bore on the supporting seat and set up rotatable preforming, set up the spring in the counter bore, supporting seat and preforming are withstood respectively at the spring both ends, under natural state, the elasticity of spring makes the lower part of preforming surpass the lower surface of supporting seat, the part that should surpass is certain, it is certain and unable regulation also to see the height of faller for the presser foot, make like this and be difficult to be suitable for the leather of different thickness, materials such as fabric.
Disclosure of Invention
An object of the utility model is to provide a but height-adjusting's sewing machine presser foot.
A height-adjustable sewing machine presser foot comprises a supporting seat and a pressing sheet which is rotatably connected to the supporting seat, wherein a first adjusting assembly is arranged on the supporting seat, and the first adjusting assembly can push the pressing sheet to rotate upwards to a certain position and can keep locking the state to prevent the pressing sheet from rotating downwards.
The improved structure comprises a first adjusting assembly and a second adjusting assembly, wherein the first adjusting assembly comprises a pin shaft which can be locked and is rotatably connected to a supporting seat, a convex block is arranged on the pin shaft and is in contact with a pressing sheet, and when the pin shaft rotates, the convex block can push the pressing sheet to rotate upwards.
In a further improvement, the convex block is arranged on the end face of the pin shaft and at an eccentric position.
The improved structure is characterized in that the supporting seat is provided with a longitudinal open slot and a hole site penetrating through the open slot, the rear part of the pressing sheet is arranged in the open slot, the pin shaft is connected in the hole site in a matching manner, and the convex block extends into the open slot to be contacted with the pressing sheet.
In a further improvement, the rear part of the pressing sheet is provided with a through hole which is larger than the lug, the lug is positioned in the through hole, and the outer surface of the lug is in contact with the inner surface of the through hole.
In a further improvement, the first adjusting component comprises a first locking screw for locking the pin shaft.
The improved structure is further improved by further comprising a spring arranged in the supporting seat, wherein one end of the spring abuts against the pressing sheet, a second adjusting component is further arranged on the supporting seat, the other end of the spring abuts against the second adjusting component, and the second adjusting component can change the position of the second adjusting component on the supporting seat to adjust the compression amount of the spring.
The improved structure is characterized in that a threaded hole is formed in the supporting seat, the second adjusting assembly is an adjusting screw, the adjusting screw is connected into the threaded hole in a threaded mode, and the tail of the adjusting screw is abutted to the other end of the spring.
The improved structure is characterized in that the spring is a cylindrical spring, a bulge is arranged at the rear end of the pressing sheet, and the bulge extends into the inner diameter of the cylindrical spring.
Further improved, the supporting seat is also provided with a second locking screw for locking the adjusting screw.
The utility model discloses set up first adjusting part on the supporting seat, utilize first adjusting part to promote the preforming and upwards rotate and lock and keep this state, at this moment the partial of preforming lower part surpassing the lower surface of supporting seat can reduce, also make the high increase between presser foot and the faller, and when first adjusting part loosens, the presser foot can rotate downwards under the effect of spring, at this moment high reduction between presser foot and the faller, recycle first adjusting part locking when falling to required height and prevent, make the preforming keep on required position. The utility model discloses utilize first adjusting part to adjust the turned angle of preforming to adjust the presser foot from the height of faller, make the presser foot can be suitable for the needs of making up of materials such as leather, the fabric of different thickness.
Drawings
Fig. 1 is a schematic perspective exploded view of the present invention;
fig. 2 is a schematic perspective view of the pin shaft of the present invention;
fig. 3 is a schematic view of the presser foot of the present invention in the high position;
fig. 4 is a schematic view of the presser foot of the present invention in a low position;
fig. 5 is a schematic perspective view of a first embodiment of the present invention;
fig. 6 is a schematic top view of a first embodiment of the invention;
fig. 7 is a schematic perspective view of a second embodiment of the present invention;
fig. 8 is a schematic top view of a second embodiment of the invention;
fig. 9 is a schematic perspective view of a third embodiment of the present invention;
fig. 10 is a schematic top view of a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
A height-adjustable sewing machine presser foot comprises a supporting seat 1 and a presser piece 2 which is rotatably connected to the supporting seat 1, wherein a first adjusting component 3 is arranged on the supporting seat 1, and the first adjusting component 3 can push the presser piece 2 to rotate upwards to a certain position and can keep locking the state to prevent the presser piece 2 from rotating downwards.
As a preferred embodiment, referring to fig. 1, the device comprises a supporting seat 1 and a pressing sheet 2 rotatably connected to the supporting seat 1, wherein a first adjusting assembly 3 is arranged on the supporting seat 1, the first adjusting assembly 3 comprises a pin 31 rotatably connected to the supporting seat 1 in a lockable manner, a protruding block 311 is arranged on the pin 31, the protruding block 311 is in contact with the pressing sheet 2, and when the pin 31 rotates, the protruding block 311 can push the pressing sheet 2 to rotate upwards. In a preferred structure of the protrusion 311, as shown in fig. 3, the protrusion 311 is disposed at an eccentric position on an end surface of the pin 31, and the protrusion 311 has a cylindrical shape and a diameter smaller than that of the pin 31. When the pin 31 rotates, the protrusion 311 performs a circular motion due to being in an eccentric position, and in a certain path, the pressing plate 2 is pushed to rotate upwards, and when the pin 31 is locked, the protrusion 311 maintains the current position to prevent the pressing plate 2 from rotating downwards under the action of the spring.
In a further improvement of the above embodiment, the supporting seat 1 is provided with a longitudinal open slot 11 and a hole 12 penetrating through the open slot 11, and the hole 12 is preferably perpendicular to the open slot 11, and may also have a certain inclination angle with the open slot 11. The rear part of the pressing piece 2 is arranged in the open slot 11, the pin 31 is connected in the hole 12 in a matching way, the convex block 311 extends into the open slot 11 to be contacted with the pressing piece 2, in addition, referring to fig. 1, the rear part of the pressing piece 2 is provided with a through hole 21 which is larger than the convex block 311, the convex block 311 is arranged in the through hole 21, and the outer surface of the convex block is contacted with the inner surface of the through hole 21. The first adjusting component 3 comprises a first locking screw 32 for locking the pin 31, the pin 31 and the first locking screw 32 are respectively arranged on the side and the back of the supporting seat 1, in this embodiment, the first locking screw 32 is used for locking, the structure is simple and reliable, and the position where the pin 31 and the first locking screw 32 are arranged is convenient for adjusting in the using process.
In a further improvement of the above embodiment, referring to fig. 1, fig. 3 and fig. 4, the presser foot further includes a spring 4 disposed in the support base 1, one end of the spring 4 abuts against the pressing sheet 2, the support base 1 is further provided with a second adjusting assembly 5, the other end of the spring 4 abuts against the second adjusting assembly 5, and the second adjusting assembly 5 can change its position on the support base 1 so as to adjust the compression amount of the spring 4. Be provided with screw hole 13 on the supporting seat 1, second adjusting part 5 is adjusting screw, adjusting screw threaded connection is in screw hole 13, adjusting screw's afterbody and the other end butt of spring 4. And the side surface of the supporting seat 1 is also provided with a second locking screw 6 for locking the adjusting screw. In addition, the spring 4 is a cylindrical spring, a protrusion 22 is arranged at the rear end of the pressing sheet 2, and the protrusion 22 extends into the inner diameter of the cylindrical spring. In this embodiment, the second adjusting component 5 is additionally arranged on the presser foot, so as to adjust the compression amount of the spring 4, and further adjust the elastic force of the spring 4, so that the presser foot can be better suitable for the sewing requirements of materials with different hardness degrees. And the second adjusting component 5 adopts an adjusting screw, and can change the position thereof by screwing through the connection with the threaded hole 13, thereby adjusting the compression amount of the spring 4 and having simple and reliable structure. A second locking screw 6 is further arranged on the side face, so that the adjusting screw can be better locked, the adjusting screw is not easy to loosen, and the reliability is enhanced; the spring 4 is a cylindrical spring, the rear end of the pressing sheet 2 is provided with a bulge 22, and the bulge 22 is used for limiting the spring 3, so that the spring is not easy to misplace.
In addition, the supporting seat 1 is provided with the supporting leg 14, when the utility model is used, referring to fig. 3, when the projection 311 rotates upwards, the projection can push the pressing sheet 2 to rotate upwards, when the projection rotates to the top of the through hole 21 and is locked, the pressing sheet 2 rotates upwards to the maximum angle, and the height of the pressing foot from the needle plate is maximum at the moment; referring to fig. 4, after the first locking screw 32 is loosened, the presser plate 2 will rotate downwards under the action of the spring 4 until it is stopped by the support base 1 itself, at which time the height of the presser foot from the needle plate is minimum, and at which time the projection 311 is generally located at the lower part of the through hole 21; when the projection 311 is rotated upward to a certain height and locked, the height of the presser foot from the needle plate is between the maximum height and the minimum height, and the projection 311 is generally contacted with the side surface of the through hole 21 at the moment, so that the pressing sheet 2 is limited to rotate downward.
The first embodiment of the present invention, referring to fig. 5 and fig. 6, in this embodiment, two support legs 14 are provided on the support base 1, the pressing sheet 2 is provided on one support leg 14, the back and the side of the support base 1 corresponding to this support leg 14 are respectively provided with the adjusting screw and the second locking screw 6, the side and the upper side are respectively provided with the pin shaft 31 and the first locking screw 32, the other support leg 14 is provided on one side of the support base 1, and the connection position of the camber is provided thereon for being connected with the sewing machine.
The second embodiment of the present invention, referring to fig. 7 and 8, in this embodiment, the front end of the supporting seat 1 extends forward to be provided with two supporting legs 14, the pressing sheet 2 is disposed on one side of the supporting leg 14, the back and the side of the supporting seat 1 corresponding to the supporting leg 14 are respectively provided with the adjusting screw and the second locking screw 6, and the side is provided with the pin 31, the supporting seat 1 is provided with the connecting position for connecting with the sewing machine.
The third embodiment of the present invention provides a double-side presser foot of a sewing machine, which can be used on a double-side presser foot, such as 2015.06.12 as application date and 2015.10.07 as published in chinese utility model CN204690274U, and the structure of the double-side presser foot is similar to that of a single-side presser foot, and only one side of the presser foot is added, so that the present embodiment can also be used on one side or both sides of the double-side presser foot. Specifically, referring to fig. 9 and 10, in this embodiment, two legs 14 are provided to extend forward from the front end of the supporting seat 1, the pressing plate 2 is provided on each leg 14, the adjusting screw and the second locking screw 6 are provided on the back and the side of the supporting seat 1 corresponding to the two legs 14, the pin 31 and the first locking screw 32 are provided on the side and the top, respectively, and the connecting position is provided in the middle of the top end of the supporting seat 1 for connecting with a sewing machine.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, or indirectly coupled through intervening agents, both internally and/or in any other manner known to those skilled in the art. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications, and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.
Claims (10)
1. The utility model provides a height-adjustable's sewing machine presser foot, includes supporting seat (1), preforming (2) of rotatable coupling on supporting seat (1), its characterized in that: the supporting seat (1) is provided with a first adjusting component (3), and the first adjusting component (3) can push the pressing sheet (2) to rotate upwards to a certain position and can keep locking the state to prevent the pressing sheet (2) from rotating downwards.
2. The height adjustable sewing machine presser foot according to claim 1, wherein: the first adjusting component (3) comprises a pin shaft (31) which can be locked and is rotatably connected to the supporting seat (1), a convex block (311) is arranged on the pin shaft (31), the convex block (311) is in contact with the pressing sheet (2), and when the pin shaft (31) rotates, the convex block (311) can push the pressing sheet (2) to rotate upwards.
3. The height adjustable sewing machine presser foot according to claim 2, wherein: the convex block (311) is arranged on the end face of the pin shaft (31) and is in an eccentric position.
4. The height adjustable sewing machine presser foot according to claim 2, wherein: the supporting seat (1) is provided with a longitudinal open slot (11) and a hole site (12) penetrating through the open slot (11), the rear portion of the pressing piece (2) is arranged in the open slot (11), the pin shaft (31) is connected in the hole site (12) in a matching mode, and the protruding block (311) extends into the open slot (11) to be in contact with the pressing piece (2).
5. A height adjustable sewing machine presser foot according to claim 3 or 4, characterized in that: the rear part of the pressing sheet (2) is provided with a through hole (21) larger than the lug (311), the lug (311) is positioned in the through hole (21), and the outer surface of the lug is in contact with the inner surface of the through hole (21).
6. The height adjustable sewing machine presser foot according to claim 2, wherein: the first adjusting assembly (3) comprises a first locking screw (32) for locking the pin (31).
7. The height adjustable sewing machine presser foot according to claim 1, wherein: the spring adjusting mechanism is characterized by further comprising a spring (4) arranged in the supporting seat (1), one end of the spring (4) abuts against the pressing sheet (2), a second adjusting component (5) is further arranged on the supporting seat (1), the other end of the spring (4) abuts against the second adjusting component (5), and the second adjusting component (5) can change the position of the spring (4) on the supporting seat (1) to adjust the compression amount of the spring (4).
8. The height adjustable sewing machine presser foot according to claim 7, wherein: be provided with screw hole (13) on supporting seat (1), second adjusting part (5) are adjusting screw, adjusting screw threaded connection is in screw hole (13), adjusting screw's afterbody and the other end butt of spring (4).
9. The height adjustable sewing machine presser foot according to claim 7, wherein: the spring (4) is a cylindrical spring, a protrusion (22) is arranged at the rear end of the pressing sheet (2), and the protrusion (22) extends into the inner diameter of the cylindrical spring.
10. A height adjustable sewing machine presser foot according to claim 8 or 9, wherein: and a second locking screw (6) used for locking the adjusting screw is further arranged on the supporting seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022800005.6U CN214271246U (en) | 2020-11-27 | 2020-11-27 | Height-adjustable sewing machine presser foot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022800005.6U CN214271246U (en) | 2020-11-27 | 2020-11-27 | Height-adjustable sewing machine presser foot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214271246U true CN214271246U (en) | 2021-09-24 |
Family
ID=77779216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022800005.6U Active CN214271246U (en) | 2020-11-27 | 2020-11-27 | Height-adjustable sewing machine presser foot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214271246U (en) |
-
2020
- 2020-11-27 CN CN202022800005.6U patent/CN214271246U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |