CN108754887B - Sewing machine and outer presser foot device thereof - Google Patents
Sewing machine and outer presser foot device thereof Download PDFInfo
- Publication number
- CN108754887B CN108754887B CN201810834404.9A CN201810834404A CN108754887B CN 108754887 B CN108754887 B CN 108754887B CN 201810834404 A CN201810834404 A CN 201810834404A CN 108754887 B CN108754887 B CN 108754887B
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- CN
- China
- Prior art keywords
- presser foot
- outer presser
- shaft
- hole
- chute
- Prior art date
- 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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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/06—Presser feet
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2207/00—Use of special elements
- D05D2207/02—Pneumatic or hydraulic devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
Abstract
The invention relates to the technical field of sewing machines, and discloses a sewing machine and an outer presser foot device thereof, and the sewing machine comprises an outer presser foot shaft (11) and an outer presser foot (3), and further comprises a shell (1), wherein an outer presser foot guide chute (4) connected with the shell (1) is arranged in the shell (1), a vertically arranged chute (41) is arranged on the outer presser foot guide chute (4), an outer presser foot guide slide block (5) connected with the outer presser foot shaft (11) is arranged at the upper end of the outer presser foot shaft (11), a slide block (52) matched with the chute (41) is arranged on the outer presser foot guide slide block (5), and the slide block (52) is arranged in the chute (41) and moves up and down in the chute (41). When the outer presser foot shaft moves up and down, the sliding block on the outer presser foot guide sliding block is matched with the sliding groove on the outer presser foot guide sliding groove, so that the position of the outer presser foot shaft during movement is limited, the stability of the outer presser foot shaft during movement is improved, the sewing precision of the sewing machine is also improved, and the sewing machine is simple in structure, low in cost, convenient to install and convenient to maintain.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to a sewing machine and an outer presser foot device thereof.
Background
The outer presser foot mechanism of the existing sewing machine is arranged on the machine shell, the machining difficulty of the machine shell is high, the cost is high, and the number of mechanisms arranged on the machine shell is high.
Disclosure of Invention
Aiming at the defects of complex structure and inconvenient installation in the prior art, the invention provides the sewing machine and the outer presser foot device thereof, which have simple structure and convenient installation.
In order to solve the technical problems, the invention is solved by the following technical scheme:
the outer presser foot device of the sewing machine comprises an outer presser foot shaft and an outer presser foot, and further comprises a shell, wherein an outer presser foot guide chute connected with the shell is arranged in the shell, a vertically arranged chute is arranged on the outer presser foot guide chute, an outer presser foot guide sliding block connected with the outer presser foot shaft is arranged at the upper end of the outer presser foot shaft, a sliding block matched with the chute is arranged on the outer presser foot guide sliding block, and the sliding block is arranged in the chute and moves up and down in the chute.
Preferably, the outer presser foot guide chute is provided with a first through hole, the chute is arranged on one side of the first through hole, the inner wall of the shell is provided with a convex connecting block, the connecting block is provided with a first threaded hole, the connecting block and the outer presser foot guide chute are connected through a screw, and the screw penetrates through the first through hole to be in threaded connection with the first threaded hole.
Preferably, a second through hole which is vertically arranged is formed in the middle of the outer presser foot guide sliding block, the outer presser foot shaft penetrates through the second through hole, a second transversely arranged threaded hole is formed in the side wall of the outer presser foot guide sliding block, a locking screw which is in threaded connection with the second threaded hole is arranged in the second threaded hole, the end part of the locking screw penetrates through the second threaded hole to abut against the outer presser foot shaft, and the sliding block is connected with the outer side wall of the outer presser foot guide sliding block and is of an integrated structure with the outer presser foot guide sliding block.
Preferably, the automatic presser foot lifting device further comprises a presser foot lifting cylinder, wherein a floating joint connected with a cylinder shaft of the presser foot lifting cylinder is arranged at the lower end of the presser foot lifting cylinder, the floating joint is connected with the upper end of the outer presser foot shaft, and the floating joint is arranged above the outer presser foot guide chute.
Preferably, a connecting table protruding downwards is arranged on the inner wall of the top of the shell, a connecting through hole is formed in the connecting table, a connecting screw is arranged in the connecting through hole, the upper end of the presser foot lifting cylinder is fixedly connected with the connecting table through the connecting screw, and a shaft hole matched with a cylinder shaft of the presser foot lifting cylinder is formed between the connecting through holes.
Preferably, a shaft sleeve hole is formed in the lower end portion of the inner portion of the shell, a shaft sleeve matched with the shaft sleeve hole is arranged in the shaft sleeve hole, the outer presser foot shaft penetrates through the shaft sleeve, and the shaft sleeve is arranged below the outer presser foot guide chute.
Preferably, one side of the presser foot lifting cylinder is provided with an air pipe joint connected with the presser foot lifting cylinder, the air pipe joint is respectively connected with an air inlet pipe and an air outlet pipe, the side face of the shell is provided with a side hole, and the air outlet pipe and the air inlet pipe penetrate through the side hole.
Preferably, the outer presser foot is arranged at the lower end of the outer presser foot shaft and is connected with the outer presser foot shaft, the outer presser foot shaft drives the outer presser foot to move up and down, a vertically arranged connecting section is arranged on the outer presser foot, the lower end of the outer presser foot shaft is arranged in the connecting section, a third threaded hole is transversely arranged on the connecting section, a fixing hole communicated with the third threaded hole is arranged at the lower end of the outer presser foot shaft, the outer presser foot shaft is connected with the connecting section through a fixing screw, and the fixing screw penetrates through the third threaded hole and the fixing hole.
A sewing machine comprises the outer presser foot device of the sewing machine.
The invention has the remarkable technical effects due to the adoption of the technical scheme: when the outer presser foot shaft moves up and down, the sliding block on the outer presser foot guide sliding block is matched with the sliding groove on the outer presser foot guide sliding groove, the position of the outer presser foot shaft when moving is limited, the stability of the outer presser foot shaft when moving is improved, the sewing precision of the sewing machine is also improved, and the sewing machine has the advantages of simple structure, low processing difficulty, low cost, convenience in installation and convenience in maintenance.
Drawings
Fig. 1 is an exploded schematic view of the structure of the present invention.
Fig. 2 is a first perspective view of the housing.
Fig. 3 is a second perspective view of the housing.
The names of the parts indicated by the numerical references in the drawings are as follows: 1-shell, 2-presser foot lifting cylinder, 3-outer presser foot, 4-outer presser foot guide chute, 5-outer presser foot guide slide block, 6-screw, 7-shaft sleeve, 8-connecting screw, 9-air pipe joint, 10-floating joint, 11-outer presser foot shaft, 12-fixing screw, 13-locking screw, 14-connecting table, 15-air inlet pipe, 16-air outlet pipe, 31-connecting section, 41-chute, 42-first through hole, 51-second through hole, 52-slide block, 53-second threaded hole, 111-connecting block, 112-first threaded hole, 113-connecting through hole, 114-shaft hole, 115-shaft sleeve hole and 116-side hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The outer presser foot device of the sewing machine comprises an outer presser foot shaft 11 and an outer presser foot 3 as shown in fig. 1 to 2, and further comprises a shell 1, wherein an outer presser foot guide chute 4 connected with the shell 1 is arranged in the shell 1, a chute 41 arranged vertically is arranged on the outer presser foot guide chute 4, an outer presser foot guide slide block 5 connected with the outer presser foot shaft 11 is arranged at the upper end of the outer presser foot shaft 11, a slide block 52 matched with the chute 41 is arranged on the outer presser foot guide slide block 5, and the slide block 52 is arranged in the chute 41 and moves up and down in the chute 41. When the outer presser foot shaft 11 moves up and down, the sliding block 52 on the outer presser foot guide sliding block 5 is matched with the sliding groove 41 on the outer presser foot guide sliding groove 4 to limit the position of the outer presser foot shaft 11 when moving, so that the stability of the outer presser foot shaft 11 when moving is improved, and the sewing precision of the sewing machine is also improved.
The outer presser foot 3 is arranged at the lower end of the outer presser foot shaft 11 and is connected with the outer presser foot shaft 11, the outer presser foot shaft 11 drives the outer presser foot 3 to move up and down, a connecting section 31 which is vertically arranged is arranged on the outer presser foot 3, the lower end of the outer presser foot shaft 11 is arranged in the connecting section 31, a third threaded hole which is transversely arranged is arranged on the connecting section 31, a fixing hole 17 which is communicated with the third threaded hole is arranged at the lower end of the outer presser foot shaft 11, the outer presser foot shaft 11 is connected with the connecting section 31 through a fixing screw 12, and the fixing screw 12 penetrates through the third threaded hole and the fixing hole 17. Through setting up link 31, make things convenient for the connection of outer presser foot axle 11 and outer presser foot 3, link 31 establishes the edge in outer presser foot 3 upper end, improves the utilization ratio of outer presser foot 3 at the during operation, runs through in third screw hole and fixed orifices 17 through set screw 12 and prescribes a limit to the relative position of outer presser foot axle 11 and outer presser foot 3, prevents the relative rotation of outer presser foot axle 11 and outer presser foot 3, has improved the stability and the operating accuracy of outer presser foot axle 11 drive outer presser foot 3 during operation.
The outer presser foot guide chute 4 is provided with a first through hole 42, the chute 41 is arranged on one side of the first through hole 42, the inner wall of the shell 1 is provided with a convex connecting block 111, the connecting block 111 is provided with a first threaded hole 112, the connecting block 111 is connected with the outer presser foot guide chute 4 through a screw 6, and the screw 6 passes through the first through hole 42 to be in threaded connection with the first threaded hole 112. The outer presser foot guide sliding groove 4 is fixedly connected to the connecting block 111 through the screw 6, the stability of the outer presser foot guide sliding groove 4 in connection with the shell 1 is improved, so that the stability and strength of the outer presser foot guide sliding groove 4 in operation are improved, a second through hole 51 which is vertically arranged is formed in the middle of the outer presser foot guide sliding block 5, the outer presser foot shaft 11 penetrates through the second through hole 51, a second threaded hole 53 which is transversely arranged is further formed in the side wall of the outer presser foot guide sliding block 5, a locking screw 13 which is in threaded connection with the second threaded hole 53 is arranged in the second threaded hole 53, the end part of the locking screw 13 penetrates through the second threaded hole 53 to abut against the outer presser foot shaft 11, and the sliding block 52 is connected with the outer side wall of the outer presser foot guide sliding block 5 and is of an integrated structure with the outer presser foot guide sliding block 5. The outer presser foot shaft 11 penetrates through the second through hole 51 of the outer presser foot guide slide block 5, the outer presser foot shaft 11 and the outer presser foot guide slide block 5 are locked through the locking screw 13, the stability of connection between the outer presser foot shaft 11 and the outer presser foot guide slide block 5 is improved, meanwhile, the outer presser foot shaft 11 and the outer presser foot guide slide block 5 are prevented from rotating relatively, and the sewing precision of the sewing machine is improved.
The automatic presser foot lifting device further comprises a presser foot lifting cylinder 2, a floating joint 10 connected with a cylinder shaft of the presser foot lifting cylinder 2 is arranged at the lower end of the presser foot lifting cylinder 2, the floating joint 10 is connected with the upper end of an outer presser foot shaft 11, and the floating joint 10 is arranged above the outer presser foot guide chute 4. The presser foot lifting cylinder 2 is connected with the outer presser foot shaft 11 through the floating joint 10, so that the axis of the cylinder shaft of the presser foot lifting cylinder 2 and the axis of the outer presser foot shaft 11 are in the same straight line, errors of the cylinder shaft and the outer presser foot shaft 11 in the vertical direction are reduced, the outer presser foot shaft 11 is driven to move up and down through the presser foot lifting cylinder 2, and the stability of the outer presser foot shaft 11 during movement is improved.
The inner wall at the top of the shell 1 is provided with a connecting table 14 protruding downwards, the connecting table 14 is provided with a connecting through hole 113, a connecting screw 8 is arranged in the connecting through hole 113, the upper end of the presser foot lifting cylinder 2 is fixedly connected with the connecting table 14 through the connecting screw 8, and a shaft hole 114 matched with a cylinder shaft of the presser foot lifting cylinder 2 is arranged between the connecting through holes 113. The presser foot lifting cylinder 2 is connected with the connecting table 14, so that the presser foot lifting cylinder 2 is convenient to mount and dismount with the shell 1, and the stability and the connection strength of the presser foot lifting cylinder 2 and the shell 1 are improved. One side of the presser foot lifting cylinder 2 is provided with an air pipe joint 9 connected with the presser foot lifting cylinder 2, the air pipe joint 9 is respectively connected with an air inlet pipe 15 and an air outlet pipe 16, the side face of the shell 1 is provided with a side hole 116, and the air outlet pipe 16 and the air inlet pipe 15 penetrate through the side hole 116. The air outlet pipe 16 and the air inlet pipe 15 penetrate through the side holes 116 to be respectively connected with the presser foot lifting cylinder 2, and an air source is arranged outside the shell 1, so that the installation space in the shell 1 is saved.
The lower end of the inside of the shell 1 is provided with a shaft sleeve hole 115, the shaft sleeve hole 115 is internally provided with a shaft sleeve 7 matched with the shaft sleeve hole 115, the outer presser foot shaft 11 penetrates through the shaft sleeve 7, and the shaft sleeve 7 is arranged below the outer presser foot guide chute 4. The outer presser foot shaft 11 moves up and down in the shaft sleeve 7, so that the outer presser foot shaft 11 is conveniently connected with the presser foot lifting cylinder 2 in the shell 1, the stability of the outer presser foot shaft 11 under the driving of the presser foot lifting cylinder 2 is improved, and the outer presser foot shaft 11 stably drives the outer presser foot 3 to move up and down.
A sewing machine comprises the outer presser foot device of the sewing machine.
In summary, the foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the invention.
Claims (7)
1. The outer presser foot device of the sewing machine comprises an outer presser foot shaft (11) and an outer presser foot (3), and is characterized in that: the automatic pressing device further comprises a shell (1), an outer pressing foot guide chute (4) connected with the shell (1) is arranged in the shell (1), a vertically arranged chute (41) is arranged on the outer pressing foot guide chute (4), an outer pressing foot guide slide block (5) connected with the outer pressing foot shaft (11) is arranged at the upper end of the outer pressing foot shaft (11), a slide block (52) matched with the chute (41) is arranged on the outer pressing foot guide slide block (5), the slide block (52) is arranged in the chute (41) and moves up and down in the chute (41), a first through hole (42) is arranged on the outer pressing foot guide chute (4), a chute (41) is arranged on one side of the first through hole (42), a protruding connecting block (111) is arranged on the inner wall of the shell (1), a first threaded hole (112) is arranged on the connecting block (111), the connecting block (111) and the outer pressing foot guide chute (4) are connected through a screw (6), the screw (6) penetrates through the first through hole (42) and is in threaded connection with the first threaded hole (112), the upper end of the pressing foot cylinder (2) is further provided with a floating joint (10) connected with the floating shaft (10) of the pressing foot cylinder (2), the floating joint (10) is arranged above the outer presser foot guide chute (4).
2. The outer presser foot device of a sewing machine of claim 1, wherein: the second through hole (51) of vertical setting has been seted up at the middle part of outer presser foot guide block (5), outer presser foot axle (11) run through in second through hole (51), transversely set up second screw hole (53) have still been seted up on the lateral wall of outer presser foot guide block (5), be equipped with in second screw hole (53) with second screw hole (53) threaded connection's locking screw (13), the tip of locking screw (13) passes second screw hole (53) and offsets with outer presser foot axle (11), slider (52) are connected and are led slider (5) as an organic whole structure with outer presser foot guide block (5) with the lateral wall of outer presser foot guide block.
3. The outer presser foot device of a sewing machine of claim 1, wherein: the inner wall at the top of the shell (1) is provided with a connecting table (14) protruding downwards, the connecting table (14) is provided with a connecting through hole (113), a connecting screw (8) is arranged in the connecting through hole (113), the upper end of the presser foot lifting cylinder (2) is fixedly connected with the connecting table (14) through the connecting screw (8), and a shaft hole (114) matched with a cylinder shaft of the presser foot lifting cylinder (2) is arranged between the connecting through holes (113).
4. The outer presser foot device of a sewing machine of claim 1, wherein: the lower end part inside the shell (1) is provided with a shaft sleeve hole (115), a shaft sleeve (7) matched with the shaft sleeve hole (115) is arranged in the shaft sleeve hole (115), the outer presser foot shaft (11) penetrates through the shaft sleeve (7), and the shaft sleeve (7) is arranged below the outer presser foot guide chute (4).
5. The outer presser foot device of a sewing machine of claim 1, wherein: one side on lifting the presser foot cylinder (2) is equipped with the air pipe joint (9) that is connected with lifting the presser foot cylinder (2), is connected with intake pipe (15) and outlet duct (16) on air pipe joint (9) respectively, and the side of casing (1) is equipped with side opening (116), and outlet duct (16) and intake pipe (15) wear to locate side opening (116).
6. The outer presser foot device of a sewing machine of claim 1, wherein: the outer presser foot (3) is arranged at the lower end of the outer presser foot shaft (11) and is connected with the outer presser foot shaft (11), the outer presser foot shaft (11) drives the outer presser foot (3) to move up and down, a connecting section (31) which is vertically arranged is arranged on the outer presser foot (3), the lower end of the outer presser foot shaft (11) is arranged in the connecting section (31), a third threaded hole which is transversely arranged is arranged on the connecting section (31), a fixing hole (17) which is communicated with the third threaded hole is arranged at the lower end of the outer presser foot shaft (11), the outer presser foot shaft (11) is connected with the connecting section (31) through a fixing screw (12), and the fixing screw (12) penetrates through the third threaded hole and the fixing hole (17).
7. A sewing machine, characterized in that: an outer presser foot device comprising the sewing machine of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810834404.9A CN108754887B (en) | 2018-07-26 | 2018-07-26 | Sewing machine and outer presser foot device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810834404.9A CN108754887B (en) | 2018-07-26 | 2018-07-26 | Sewing machine and outer presser foot device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108754887A CN108754887A (en) | 2018-11-06 |
| CN108754887B true CN108754887B (en) | 2023-08-15 |
Family
ID=63971402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810834404.9A Active CN108754887B (en) | 2018-07-26 | 2018-07-26 | Sewing machine and outer presser foot device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108754887B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008086600A (en) * | 2006-10-03 | 2008-04-17 | Juki Corp | Presser foot raising device of sewing machine |
| CN101666017A (en) * | 2009-07-03 | 2010-03-10 | 上海贵衣缝纫设备有限公司 | Presser foot device of bar tacking machine |
| CN204551008U (en) * | 2015-03-17 | 2015-08-12 | 浙江大森缝纫机有限公司 | A kind of presser foot lifting device of template machine |
| JP2017176656A (en) * | 2016-03-31 | 2017-10-05 | ペガサスミシン製造株式会社 | Pressing device for sewing machine |
| CN207331220U (en) * | 2017-08-26 | 2018-05-08 | 浙江美机缝纫机有限公司 | The outer presser foot device of template sewing machine |
-
2018
- 2018-07-26 CN CN201810834404.9A patent/CN108754887B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008086600A (en) * | 2006-10-03 | 2008-04-17 | Juki Corp | Presser foot raising device of sewing machine |
| CN101666017A (en) * | 2009-07-03 | 2010-03-10 | 上海贵衣缝纫设备有限公司 | Presser foot device of bar tacking machine |
| CN204551008U (en) * | 2015-03-17 | 2015-08-12 | 浙江大森缝纫机有限公司 | A kind of presser foot lifting device of template machine |
| JP2017176656A (en) * | 2016-03-31 | 2017-10-05 | ペガサスミシン製造株式会社 | Pressing device for sewing machine |
| CN207331220U (en) * | 2017-08-26 | 2018-05-08 | 浙江美机缝纫机有限公司 | The outer presser foot device of template sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108754887A (en) | 2018-11-06 |
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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 No.8 Jinxiu Road, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG MAQI SEWING MACHINE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |