CN110424107A - A kind of sewing machine and its quick-detachable presser feet connecting structure of bottom plate - Google Patents
A kind of sewing machine and its quick-detachable presser feet connecting structure of bottom plate Download PDFInfo
- Publication number
- CN110424107A CN110424107A CN201910756071.7A CN201910756071A CN110424107A CN 110424107 A CN110424107 A CN 110424107A CN 201910756071 A CN201910756071 A CN 201910756071A CN 110424107 A CN110424107 A CN 110424107A
- Authority
- CN
- China
- Prior art keywords
- presser feet
- bottom plate
- quick
- detachable
- lever
- 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
Abstract
The present invention relates to a kind of sewing machine and its quick-detachable presser feet connecting structure of bottom plate, in a kind of quick-detachable presser feet connecting structure of bottom plate of the invention, due to being equipped with compressed spring in the connecting hole of presser feet handle, one end of compressed spring is against the upper end of the lever, the other end of compressed spring is pushed against by the screw rod being screwed in connecting hole, in this way, the grab of lever lower end is by presser feet pin card in clamping groove under the action of compressed spring;When needing replacing disassembly presser feet bottom plate, it is only necessary to be pressed downward presser feet bottom plate, the lower end of lever is pushed and makes lever compress the compressed spring and release the second lever from clamping groove by presser feet pin.It can be seen that a kind of quick-detachable presser feet connecting structure of bottom plate of the invention can easily replace presser feet bottom plate, structure is simple, easy to use.
Description
Technical field
The present invention relates to a kind of sewing machine and its quick-detachable presser feet connecting structure of bottom plate.
Background technique
Existing sewing machine presser foot structure is as shown in Figure 1, presser feet bottom plate 10 is connect by presser feet pin 9 with presser feet handle 1, presser feet handle
1 is connect by fastening screw 14 with presser bar 2.According to presser feet bottom plate qualitative classification, presser feet can be divided into metal presser feet and plastics pressure
Foot.Plastics presser feet surface is smooth, and when sewing, anti-staggered floor worked well, but presser feet bottom plate wearability is poor, and service life is low, replacement
Frequency is high.Existing presser feet usually passes through disassembly fastening screw 14, realizes presser feet handle and presser feet bottom plate integral replacing, removal efficiency compared with
It is low and uneconomical.
Summary of the invention
In view of the foregoing deficiencies of prior art, the technical problem to be solved in the present invention is that provide a kind of sewing machine and
Its quick-detachable presser feet connecting structure of bottom plate is easily installed disassembly presser feet bottom plate.
To achieve the above object, the present invention provides a kind of quick-detachable presser feet connecting structure of bottom plate, using following skill
A kind of quick-detachable presser feet connecting structure of bottom plate of art scheme, including presser feet handle, the upper end of the presser feet handle and presser bar connect
It connects, is successively arranged connecting hole, connecting pin and clamping groove on presser feet handle from top to bottom, lever, lever are hinged on the connecting pin
Upper end be directed at the connecting hole, the lower end of lever is equipped with grab, presser feet pin, presser feet is connected between the grab and clamping groove
Presser feet bottom plate is connected on pin;
Compressed spring is equipped in the connecting hole, one end of compressed spring is against the upper end of the lever, compressed spring
The other end is pushed against by the screw rod being screwed in connecting hole.
Preferably, the upper end of the presser feet handle is equipped with the link slot extended up and down, and the lower end of presser bar is inserted in the connection
It in slot, is twisted on the side wall of link slot and is equipped with fastening screw, fastening screw links together presser bar and presser feet handle.
It is further preferable that the fastening screw is perpendicular to screw rod.
Preferably, the screw rod includes guide part and interconnecting piece, and the compressed spring covers on the outside of guide part, the connection
Portion is screwed in connecting hole.
Preferably, the presser feet handle has two connection walls being oppositely arranged, and the connecting pin is connected to two connection walls
Between.
Preferably, the presser feet bottom plate is structure as a whole with presser feet pin.
Preferably, reset spring is equipped between the presser feet bottom plate and presser feet handle, the upper end of reset spring is against presser feet handle
On, the lower end of reset spring is against on presser feet bottom plate.
It is further preferable that the presser feet bottom plate is equipped with link block, opening up blind hole is equipped in link block, it is described multiple
Position spring is arranged in blind hole.
It is further preferable that the lower end of the lever is equipped with confined planes, the confined planes are opposite with the upper surface of presser feet bottom plate,
The presser feet pins position is between confined planes and reset spring.
Correspondingly, the present invention also provides a kind of sewing machines, including above-mentioned technical proposal or its any preferred technical solution
The quick-detachable presser feet connecting structure of bottom plate.
As described above, a kind of sewing machine of the present invention and its quick-detachable presser feet connecting structure of bottom plate, have
Below the utility model has the advantages that in a kind of quick-detachable presser feet connecting structure of bottom plate of the invention, due to the connection in presser feet handle
Compressed spring is equipped in hole, one end of compressed spring is against the upper end of the lever, and the other end of compressed spring is by being screwed in connection
Screw rod in hole pushes against, in this way, the grab of lever lower end is by presser feet pin card in clamping groove under the action of compressed spring;In
When needing replacing disassembly presser feet bottom plate, it is only necessary to be pressed downward presser feet bottom plate, the lower end of lever is pushed and makes thick stick by presser feet pin
Bar compresses the compressed spring and releases the second lever from clamping groove.It can be seen that one kind of the invention can be quick
The presser feet connecting structure of bottom plate of disassembly can easily replace presser feet bottom plate, and structure is simple, easy to use.
Detailed description of the invention
Fig. 1 is shown as the attachment structure schematic diagram of presser feet bottom plate and presser feet handle in the prior art.
Fig. 2 is shown as the attachment structure schematic diagram of presser feet bottom plate and presser feet handle in technical solution of the present invention.
Fig. 3 is shown as the explosive view of the connection structure of presser feet bottom plate and presser feet handle in technical solution of the present invention.
Fig. 4 is shown as the cross-sectional view of the connection structure of presser feet bottom plate and presser feet handle in technical solution of the present invention.
Component label instructions
1 presser feet handle
2 presser bars
3 connecting holes
4 connecting pins
5 clamp nuts
6 levers
7 grabs
8 clamping grooves
9 presser feet pins
10 presser feet bottom plates
11 compressed springs
12 screw rods
13 link slots
14 fastening screws
15 guide parts
16 interconnecting pieces
17 connection walls
18 reset springs
19 link blocks
20 blind holes
21 confined planes
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile in this specification cited such as "upper", "lower", "left", "right", " centre " term, be merely convenient to chat
That states is illustrated to limit the scope of the invention, and relativeness is altered or modified, and is changing skill without essence
It is held in art, when being also considered as the enforceable scope of the present invention.
As shown in Figures 2 to 4, the present invention provides a kind of quick-detachable presser feet connecting structure of bottom plate, including presser feet handle
1, the upper end of the presser feet handle 1 is connect with presser bar 2, is successively arranged connecting hole 3, connecting pin 4 and card on presser feet handle 1 from top to bottom
Access slot 8 is hinged with lever 6 on the connecting pin 4, and the upper end of lever 6 is directed at the connecting hole 3, and the lower end of lever 6 is equipped with grab
7, it is connected with presser feet pin 9 between the grab 7 and clamping groove 8, presser feet bottom plate 10 is connected on presser feet pin 9;In the connecting hole 3
Equipped with compressed spring 11, one end of compressed spring 11 is against the upper end of the lever 6, and the other end of compressed spring 11 is by the company of being screwed in
The screw rod 12 connect in hole 3 pushes against.
In a kind of quick-detachable presser feet connecting structure of bottom plate of the invention, due in the connecting hole 3 of presser feet handle 1
Equipped with compressed spring 11, one end of compressed spring 11 is against the upper end of the lever 6, and the other end of compressed spring 11 is by the company of being screwed in
The screw rod 12 connect in hole 3 pushes against, in this way, presser feet pin 9 is stuck in card by the grab 7 of 6 lower end of lever under the action of compressed spring 11
In access slot 8;Fig. 2 to Fig. 4 is please referred to, when needing replacing disassembly presser feet bottom plate 10, it is only necessary to presser feet bottom plate 10 be pressed downward, pressed
The lower end of lever 6 is pushed and lever 6 is made to compress the compressed spring 11 and release the second lever 6 from clamping groove 8 by foot pin 9
It releases.It can be seen that a kind of quick-detachable presser feet connecting structure of bottom plate of the invention can easily replace pressing sole
Plate 10, structure is simple, easy to use.
As shown in Figure 3 and Figure 4, the opening direction of the clamping groove 8 of 1 lower end of presser feet handle, presser feet pin 9 is by the card of 6 lower end of lever
Hook 7 is caught on, and 6 upper end of lever is compressed by compressed spring 11, therefore, if not applying enough active forces to lever 6 and making lever 6
Side rotates outwardly for lower end, and presser feet pin 9 does not fall out clamping groove 8, and presser feet bottom plate 10 will not be detached from presser feet handle 1, in order to
So that presser feet bottom plate 10 keeps stablizing, as a preferred embodiment, as shown in figure 4, the presser feet bottom plate 10 and presser feet
Reset spring 18 is equipped between handle 1, the upper end of reset spring 18 is against on presser feet handle 1, and the lower end of reset spring 18 is against presser feet
On bottom plate 10, the lower end of the lever 6 is equipped with confined planes 21, and the confined planes 21 are opposite with the upper surface of presser feet bottom plate 10, institute
Presser feet pin 9 is stated between confined planes 21 and reset spring 18.In this way, under the action of reset spring 18, the presser feet bottom plate
10 offset with confined planes 21.As a preferred embodiment, the presser feet bottom plate 10 is equipped with link block 19, link block 19
In be equipped with opening up blind hole 20, the reset spring 18 is arranged in blind hole 20.In this way, reset spring 18 is located in blind hole
It is not easy in 20, when being pressed on sewing machine table under presser feet bottom plate 10, presser feet handle 1 is pressed on link block 19, reset spring
18 are compressed, and when presser feet bottom plate 10 lifts, reset spring 18 extends and presses the presser feet bottom plate 10, so that presser feet bottom plate 10
It offsets with confined planes 21.
For the ease of the connection of presser feet handle 1 and presser bar 2, as shown in Figures 2 to 4, the upper end of the presser feet handle 1 is equipped with upper
The link slot 13 of lower extension, the lower end of presser bar 2 are inserted in the link slot 13, are twisted on the side wall of link slot 13 and are equipped with fastening spiral shell
Nail 14, fastening screw 14 links together presser bar 2 and presser feet handle 1, and 2 lower end of presser bar is adapted to the link slot 13, this
Sample, presser bar 2 are dismantled or are installed with presser feet handle 1 in which can be convenient, it is preferable that the fastening screw 14 is perpendicular to screw rod 12.
In order to accurately control compressed spring 11 to the force direction of lever 6, as shown in Figure 3 and Figure 4, the screw rod 12
Including guide part 15 and interconnecting piece 16,11 sets of the compressed spring is screwed in connecting hole 3 in 15 outside of guide part, the interconnecting piece 16
In.In this way, compressed spring 11 is able to maintain 6 upper end of face lever and applies to 6 upper end of lever and presses under the guidance of guide part 15
Power prevents screw rod 12 from loosening, as shown in Fig. 2, in screw rod 12 in order to enable screw rod 12 is securely attached in the connecting hole 3
On be screwed with clamp nut 5, clamp nut 5, which is pressed on presser feet handle 1, prevents screw rod 12 from loosening.The diameter of the guide part 15, which is less than, to be connected
The diameter of socket part 16, being screwed into depth and can adjust compressed spring 11 to the active force of lever 6 by adjusting screw rod 12.
As shown in figure 3, the presser feet handle 1 has two connection walls 17 being oppositely arranged, the connecting pin 4 is connected to two
Between connection wall 17.The middle part of lever 6 part outstanding is hinged on connecting pin 4, lever 6 when rotated, the middle part of lever 6 and
Lower part is swung between two connection walls 17, will not be interfered with presser feet handle 1.
For the ease of manufacturing the presser feet bottom plate 10 and presser feet pin 9, as a preferred embodiment, the pressing sole
Plate 10 is structure as a whole with presser feet pin 9, can be molded presser feet bottom plate 10 with presser feet pin 9 using plastic material into a single integrated structure.
The installation and removal of presser feet bottom plate 10 are explained below with reference to Fig. 2 to Fig. 4:
Installation presser feet bottom plate 10: sewing-machine foot bar 2 is lifted, and presser feet bottom plate 10 is placed on 1 lower section of presser feet handle, pressing sole
Presser feet pin 9 on plate 10 is aligned at grab 7 and clamping groove 8, and presser bar 2 is put down, and 6 lower end of lever is squeezed by presser feet pin 9, from
Dynamic to open, after presser feet pin 9 is caught in, compressed spring 11 presses lever 6 and guarantees that presser feet pin 9 is stuck in clamping groove 8 by grab 7, pacifies
Dress movement is completed.
Disassembly presser feet bottom plate 10: sewing-machine foot bar 2 is lifted, and presses down on presser feet bottom plate 10, the grab of 6 lower end of lever
7 are voluntarily opened by 9 squeezing action of presser feet pin, and presser feet bottom plate 10 can smoothly take out, and disassembly movement is completed.
Correspondingly with a kind of quick-detachable presser feet connecting structure of bottom plate of the invention, the present invention also provides a kind of sewing
Machine, including quick-detachable presser feet connecting structure of bottom plate described in above-mentioned technical proposal or its any preferred technical solution.
Technical solution based on the above embodiment, a kind of sewing machine of the invention and its quick-detachable presser feet bottom plate connect
Binding structure can easily replace presser feet bottom plate, and structure is simple, easy to use.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of quick-detachable presser feet connecting structure of bottom plate, characterized in that including presser feet handle, the upper end of the presser feet handle with
Presser bar connects, and is successively arranged connecting hole, connecting pin and clamping groove from top to bottom on presser feet handle, is hinged with thick stick on the connecting pin
Bar, the upper end of lever are directed at the connecting hole, and the lower end of lever is equipped with grab, is connected with presser feet between the grab and clamping groove
It sells, is connected with presser feet bottom plate on presser feet pin;
Compressed spring is equipped in the connecting hole, one end of compressed spring is against the upper end of the lever, compressed spring it is another
End is pushed against by the screw rod being screwed in connecting hole.
2. quick-detachable presser feet connecting structure of bottom plate according to claim 1, it is characterised in that: the presser feet handle
Upper end is equipped with the link slot extended up and down, and the lower end of presser bar is inserted in the link slot, twists and is equipped with tightly on the side wall of link slot
Gu screw, fastening screw links together presser bar and presser feet handle.
3. quick-detachable presser feet connecting structure of bottom plate according to claim 2, it is characterised in that: the fastening screw
Perpendicular to screw rod.
4. quick-detachable presser feet connecting structure of bottom plate according to claim 1, it is characterised in that: the screw rod includes
Guide part and interconnecting piece, the compressed spring cover on the outside of guide part, and the interconnecting piece is screwed in connecting hole.
5. quick-detachable presser feet connecting structure of bottom plate according to claim 1, it is characterised in that: the presser feet handle tool
There are two connection walls being oppositely arranged, the connecting pin is connected between two connection walls.
6. quick-detachable presser feet connecting structure of bottom plate according to claim 1, it is characterised in that: the presser feet bottom plate
It is structure as a whole with presser feet pin.
7. quick-detachable presser feet connecting structure of bottom plate according to claim 1, it is characterised in that: the presser feet bottom plate
Reset spring is equipped between presser feet handle, the upper end of reset spring is against on presser feet handle, and the lower end of reset spring is against pressing sole
On plate.
8. quick-detachable presser feet connecting structure of bottom plate according to claim 7, it is characterised in that: the presser feet bottom plate
It is equipped with link block, opening up blind hole is equipped in link block, the reset spring is arranged in blind hole.
9. quick-detachable presser feet connecting structure of bottom plate according to claim 7, it is characterised in that: under the lever
End is equipped with confined planes, and the confined planes are opposite with the upper surface of presser feet bottom plate, and the presser feet pins position is in confined planes and reset spring
Between.
10. a kind of sewing machine, characterized in that connect including the described in any item quick-detachable presser feet bottom plates of claim 1 to 9
Binding structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910756071.7A CN110424107B (en) | 2019-08-15 | 2019-08-15 | Sewing machine and presser foot bottom plate connecting structure capable of being rapidly disassembled |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910756071.7A CN110424107B (en) | 2019-08-15 | 2019-08-15 | Sewing machine and presser foot bottom plate connecting structure capable of being rapidly disassembled |
Publications (2)
Publication Number | Publication Date |
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CN110424107A true CN110424107A (en) | 2019-11-08 |
CN110424107B CN110424107B (en) | 2021-12-28 |
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CN201910756071.7A Active CN110424107B (en) | 2019-08-15 | 2019-08-15 | Sewing machine and presser foot bottom plate connecting structure capable of being rapidly disassembled |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2073430U (en) * | 1989-04-19 | 1991-03-20 | 李坤镕 | Improved presser of sewing machine |
US7942103B2 (en) * | 2007-08-27 | 2011-05-17 | Juki Corporation | Cloth pressing device of sewing machine |
CN202144550U (en) * | 2011-06-24 | 2012-02-15 | 浙江万维机械有限公司 | Detachable presser foot assembly of sewing machine |
CN103510281A (en) * | 2012-06-20 | 2014-01-15 | 高林股份有限公司 | Pressure foot structure of sewing machine |
CN204039698U (en) * | 2014-09-25 | 2014-12-24 | 浙江万维机械有限公司 | A kind of detachable presser feet of Sewing machines |
CN204341581U (en) * | 2014-12-11 | 2015-05-20 | 深圳视爵光旭电子有限公司 | A kind of LED box |
CN206692848U (en) * | 2017-02-28 | 2017-12-01 | 广东恩典皮具服饰科技股份有限公司 | A kind of improved sewing machine |
CN207244146U (en) * | 2017-07-28 | 2018-04-17 | 际华三五三四制衣有限公司 | A kind of sewing-machine foot |
-
2019
- 2019-08-15 CN CN201910756071.7A patent/CN110424107B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2073430U (en) * | 1989-04-19 | 1991-03-20 | 李坤镕 | Improved presser of sewing machine |
US7942103B2 (en) * | 2007-08-27 | 2011-05-17 | Juki Corporation | Cloth pressing device of sewing machine |
CN202144550U (en) * | 2011-06-24 | 2012-02-15 | 浙江万维机械有限公司 | Detachable presser foot assembly of sewing machine |
CN103510281A (en) * | 2012-06-20 | 2014-01-15 | 高林股份有限公司 | Pressure foot structure of sewing machine |
CN204039698U (en) * | 2014-09-25 | 2014-12-24 | 浙江万维机械有限公司 | A kind of detachable presser feet of Sewing machines |
CN204341581U (en) * | 2014-12-11 | 2015-05-20 | 深圳视爵光旭电子有限公司 | A kind of LED box |
CN206692848U (en) * | 2017-02-28 | 2017-12-01 | 广东恩典皮具服饰科技股份有限公司 | A kind of improved sewing machine |
CN207244146U (en) * | 2017-07-28 | 2018-04-17 | 际华三五三四制衣有限公司 | A kind of sewing-machine foot |
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Publication number | Publication date |
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CN110424107B (en) | 2021-12-28 |
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Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |
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