CN219772414U - Feeding device of sewing machine - Google Patents
Feeding device of sewing machine Download PDFInfo
- Publication number
- CN219772414U CN219772414U CN202320603919.4U CN202320603919U CN219772414U CN 219772414 U CN219772414 U CN 219772414U CN 202320603919 U CN202320603919 U CN 202320603919U CN 219772414 U CN219772414 U CN 219772414U
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- CN
- China
- Prior art keywords
- action arm
- feed dog
- sewing machine
- installation
- feeding device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009958 sewing Methods 0.000 title claims abstract description 22
- 230000009471 action Effects 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims description 34
- 241000282472 Canis lupus familiaris Species 0.000 description 34
- 239000004744 fabric Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a feeding device of a sewing machine, which comprises a first action arm and a second action arm which are arranged on a sewing machine seat, wherein the first action arm and the second action arm are arranged left and right, a first feed dog is arranged on the first action arm, a second feed dog is arranged on the second action arm, the first feed dog and the second feed dog are distributed left and right, the first feed dog is tightly screwed on the side surface of the first action arm through a first screw, and the second feed dog is tightly screwed on the end part of the second action arm through a second screw.
Description
Technical Field
The utility model relates to the technical field of sewing machines, in particular to a feeding device of a sewing machine.
Background
The feed dog in the sewing machine is one of important feeding parts matched with the needle, and the feed dog below the sewing material repeatedly pushes the sewing material to do horizontal linear motion while the needle reciprocates up and down.
As shown in fig. 1, the feeding device in the prior art mainly comprises a first action arm 1', a second action arm 2', a front feed tooth 3 'and a rear feed tooth 4', wherein the front feed tooth 3 'is arranged on the first action arm 1', the rear feed tooth 4 'is arranged on the second action arm 2', and the feeding device makes up-and-down reciprocating motion relative to the front feed tooth and the rear feed tooth through a transmission mechanism arranged at one end of the feeding device, so that the front feed tooth and the rear feed tooth can make up-and-down reciprocating motion, and the whole device can achieve the effect of feeding in the up-and-down and front-and-back motion process of the feed tooth, but when the left-and-right thickness of the fabric is inconsistent or the same in elasticity, the left-and-right thickness of the fabric is different, the advancing feed speed of the fabric is different, and the quality of the processed fabric is affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the feeding device of the sewing machine, which can realize left and right speed regulation and feed teeth.
The utility model is realized by the following technical scheme: the utility model provides a material feeding unit of sewing machine, includes first action arm and the second action arm of installing on the sewing machine frame, and first action arm and second action arm are controlling and arrange, are equipped with first feed dog on the first action arm, are equipped with the second feed dog on the second action arm, first feed dog with the second feed dog is controlling and distributes, first feed dog is screwed up on first action arm side through first screw, the second feed dog is screwed up on the second action arm tip through the second screw.
Preferably, the first feed dog of the present utility model includes a first dog, an extension dog extending along one side of one end of the first dog, a gap space is provided at the other side of the first dog, a first installation part is provided at the bottom of the first dog, the second feed dog includes a second dog matched with the gap space, a limit table for supporting the bottom of the extension dog is provided at one side of the second dog, and a second installation part is provided at the bottom of the second dog.
Preferably, the upper end surface of the limiting table is lower than the upper end surface of the second tooth part.
Preferably, a first sliding groove for vertically sliding and installing the first installation part is arranged on the side surface of the first action arm, a first through hole is arranged on the first sliding groove, and a first installation hole is arranged on the first installation part and is penetrated and locked by a first screw.
Preferably, the first mounting hole is an elongated hole.
Preferably, the end part of the second action arm is provided with a raised sliding part, the sliding part is provided with a second through hole, the second installation part is provided with a second sliding groove for the sliding part to slide up and down, and the second installation part is also provided with a second installation hole and is penetrated and locked by a second screw.
Preferably, the second mounting hole of the present utility model is an elongated hole.
Compared with the prior art, the utility model has the following advantages: according to the utility model, the first feed teeth and the second feed teeth are distributed left and right, so that the speed of the first feed teeth or the second feed teeth can be independently regulated, the speed of the left and right can be regulated, the suture requirements of different thicknesses or different elasticity of the left and right of the fabric can be met, the suture operation efficiency can be improved, and the quality of a product after being sutured can be improved.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is an exploded view of the prior art;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a schematic view of the assembled first and second feed dogs according to the present utility model;
FIG. 4 is a schematic view of the structure of a first feed dog of the present utility model;
FIG. 5 is a schematic view of the structure of a second feed dog of the present utility model;
wherein:
1-first action arm, 10-first sliding groove, 11-first through hole
2-second actuating arm
3-first feed dog, 30-first tooth portion, 31-extension tooth portion, 32-gap space, 33-first mounting portion, 330-first mounting hole
4-second feed dog, 40-second tooth part, 41-limit table, 42-second installation part, 420-second sliding groove, 421-second installation hole
5-first screw
6-a second screw.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; or may be directly connected, or may be indirectly connected through an intermediate medium, or may be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The feeding device of the sewing machine of the embodiment, as shown in fig. 1 to 5, comprises a first action arm 1 and a second action arm 2 which are installed on a sewing machine base, wherein the first action arm 1 and the second action arm 2 are arranged left and right, a first feeding tooth 3 is arranged on the first action arm 1, a second feeding tooth 4 is arranged on the second action arm 2, the first feeding tooth 3 and the second feeding tooth 4 are distributed left and right, the first feeding tooth 3 is screwed on the side face of the first action arm 1 through a first screw 5, and the second feeding tooth 4 is screwed on the end part of the second action arm 2 through a second screw 6.
In order to realize that the first feed dog 3 and the second feed dog 4 can independently regulate speed left and right, the more specific structure of the first feed dog 3 and the second feed dog 4 is as follows: the first feed dog 3 includes first tooth portion 30, extends tooth portion 31 that extends along first tooth portion 30 one end one side, and its opposite side is breach space 32, first tooth portion 30 bottom is equipped with first installation department 33, second feed dog 4 includes with breach space 32 matched with second tooth portion 40, second tooth portion 40 one side is equipped with the spacing platform 41 that supplies to extend tooth portion 31 bottom to support, second tooth portion 40 bottom is equipped with second installation department 42, and spacing platform 41 up end is less than second tooth portion 40 up end for spacing platform 41 hugs closely and extends tooth portion 31 bottom.
In order to facilitate the installation of the first feed dog 3 and the second feed dog 4, the side surface of the first action arm 1 is provided with a first sliding groove 10 for the up-and-down sliding installation of the first installation part 33, the first sliding groove 10 is provided with a first through hole 11, the first installation part 33 is provided with a first installation hole 330, the first screw 5 is used for penetrating and locking, the end part of the second action arm 2 is provided with a raised sliding part 20, the sliding part 20 is provided with a second through hole, the second installation part 42 is provided with a second sliding groove 420 for the up-and-down sliding installation of the sliding part 20, the second installation part 42 is also provided with a second installation hole 421, the second screw 6 is used for penetrating and locking, and the first installation hole 330 and the second installation hole 421 are all long holes, so that the installation position of the first feed dog 3 and the second feed dog 4 can be conveniently adjusted in a up-and-down sliding way.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A feeding device of a sewing machine, characterized in that: including installing first action arm (1) and second action arm (2) on the sewing machine frame, first action arm (1) and second action arm (2) are controlling and arrange, are equipped with first feed dog (3) on first action arm (1), are equipped with second feed dog (4) on second action arm (2), first feed dog (3) with second feed dog (4) are controlling and distribute, first feed dog (3) screw up on first action arm (1) side through first screw (5), second feed dog (4) screw up on second action arm (2) tip through second screw (6).
2. A feeding device of a sewing machine according to claim 1, wherein: the first feed dog (3) includes first tooth portion (30), extends tooth portion (31) that extend along first tooth portion (30) one end one side, and its opposite side is breach space (32), first tooth portion (30) bottom is equipped with first installation department (33), second feed dog (4) include with breach space (32) matched with second tooth portion (40), second tooth portion (40) one side is equipped with spacing platform (41) that supply to extend tooth portion (31) bottom to support, second tooth portion (40) bottom is equipped with second installation department (42).
3. A feeding device of a sewing machine according to claim 2, wherein: the upper end surface of the limiting table (41) is lower than the upper end surface of the second tooth part (40).
4. A feeding device of a sewing machine according to claim 1, wherein: the side of the first action arm (1) is provided with a first sliding groove (10) for the up-and-down sliding installation of a first installation part (33), the first sliding groove (10) is provided with a first through hole (11), the first installation part (33) is provided with a first installation hole (330), and the first installation hole is penetrated and locked by a first screw (5).
5. The feeding device of a sewing machine of claim 4, wherein: the first mounting hole (330) is an elongated hole.
6. A feeding device of a sewing machine according to claim 2, wherein: the end part of the second action arm (2) is provided with a raised sliding part (20), the sliding part (20) is provided with a second through hole, the second installation part (42) is provided with a second sliding groove (420) for the sliding part (20) to slide up and down, and the second installation part (42) is also provided with a second installation hole (421) and is penetrated and locked by a second screw (6).
7. The feeding device of a sewing machine of claim 6, wherein: the second mounting hole (421) is an elongated hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320603919.4U CN219772414U (en) | 2023-03-24 | 2023-03-24 | Feeding device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320603919.4U CN219772414U (en) | 2023-03-24 | 2023-03-24 | Feeding device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219772414U true CN219772414U (en) | 2023-09-29 |
Family
ID=88102677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320603919.4U Active CN219772414U (en) | 2023-03-24 | 2023-03-24 | Feeding device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219772414U (en) |
-
2023
- 2023-03-24 CN CN202320603919.4U patent/CN219772414U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |