CN106087288B - Sewing machine and sewing machine needle protection device - Google Patents
Sewing machine and sewing machine needle protection device Download PDFInfo
- Publication number
- CN106087288B CN106087288B CN201610774417.2A CN201610774417A CN106087288B CN 106087288 B CN106087288 B CN 106087288B CN 201610774417 A CN201610774417 A CN 201610774417A CN 106087288 B CN106087288 B CN 106087288B
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- China
- Prior art keywords
- sewing machine
- guide rod
- support arm
- needle
- sliding connection
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/06—Needle guides; Needle protectors
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to a kind of sewing machine and sewing machine needle protection device, sewing machine needle protection device includes holder, the first guide rod, the second guide rod, first support arm, sliding connection block, connecting seat and second support arm；First guide rod and the second guide rod are fastenedly connected in the bottom of holder；First support arm is slidably connected on the first guide rod, and one end of first support arm is the connecting pin for being connect with needle bar of sewing machine；Sliding connection block is slidably connected on the second guide rod, is connected by the first spring between sliding connection block and first support arm；Connecting seat includes supporting beam and the end plate in supporting beam upper/lower terminal is arranged, supporting beam is slidably connected with sliding connection block, second spring is provided between end plate and sliding connection block wherein, adjusting screw is provided on another end plate, the stud end of adjusting screw is against after end plate on sliding connection block；One end of second support arm is fastenedly connected with supporting beam, and the other end is provided with the folder of the needle for being sleeved on sewing machine needle.
Description
Technical field
The present invention relates to a kind of sewing machine and sewing machine needle protection devices, belong to sewing device field.
Background technology
Sewing machine is a kind of work machine being widely used in the production fields such as shoemaking, system packet, clothing, it is sometimes desirable to leather
Etc. the harder material of quality sew, in this case, eedle is easy to happen flexural deformation, or even fracture, not only causes
It loses, improve production cost, production efficiency can also be adversely affected.Existing sewing machine, which does not have, protects eedle
The function of shield.
Invention content
In view of the above-mentioned problems, the object of the present invention is to provide a kind of sewing machine and sewing machine needle protection devices.
To achieve the above object, the present invention uses following technical scheme：A kind of sewing machine needle protection device, it is characterised in that：
Including holder, the first guide rod, the second guide rod, first support arm, sliding connection block, connecting seat and second support arm；Described first
Guide rod and the second guide rod are fastenedly connected in the bottom of the holder；The first support arm is slidably connected at described first and leads
To on bar, one end of the first support arm is the connecting pin for being connect with needle bar of sewing machine；The sliding connection block sliding connects
It is connected on second guide rod, is connected by the first spring between the sliding connection block and the first support arm；The company
Joint chair includes supporting beam and the end plate in the supporting beam upper/lower terminal is arranged, and the supporting beam exists with the sliding connection block
In being slidably connected on the direction parallel with second guide rod, set between an end plate and the sliding connection block wherein
It is equipped with second spring, adjusting screw is provided on another end plate, the stud end of the adjusting screw passes through the end plate
After be against on the sliding connection block；One end of the second support arm is fastenedly connected with the supporting beam, and other end setting is useful
In the needle folder being sleeved on sewing machine needle.
Nut is connected in the adjusting screw, the nut is arranged in the screw head end of the adjusting screw and institute
It states between end plate.
The holder includes the first link block, third guide rod, the second link block and clamping screw, in first connection
The mounting hole for being fixedly connected with head of sewing machine is provided on block；The third guide rod is fastenedly connected to be connected described first
Connect the bottom of block；Second link block is slidably connected on the third guide rod, is set in the side of second link block
It is equipped with bolt hole；The stud end of the clamping screw passes through the bolt hole and is against on the third guide rod.
The needle folder is with the second support arm using detachably connected.
Be provided with expansion link mechanism in first spring, the both ends of the expansion link mechanism respectively with described first
Arm, sliding connection block are fastenedly connected；The expansion link mechanism is made of loop bar and the core bar being slidably connected in the loop bar.
The lower end of second guide rod is provided with limited block, the limited block is connected with limit spiral shell by tapped through hole
The stud end of nail, the stop screw is pierced by after the tapped through hole from the top surface of the limited block.
It is provided with nut between the screw head end and the limited block of the stop screw.
A kind of sewing machine being equipped with sewing machine needle protection device, it is characterised in that：Further include head of sewing machine, needle
Bar and sewing machine needle；The top of the holder is fastenedly connected with the head of sewing machine；The needle bar of sewing machine passes through connection
Component is connect with the first support arm；The needle chuck is on the sewing machine needle.
The connecting component is sleeved on the needle bar of sewing machine and is locked by lock-screw, the one of the connecting component
Side is provided with open slot, and the open slot forms the first support arm constraint on the axis direction of the needle bar of sewing machine.
The invention adopts the above technical scheme, which has the following advantages：1, the present invention is when sewing machine operates, sewing
Eedle bar drives first support arm to do the upper and lower reciprocating motion synchronous with needle bar of sewing machine by connecting component, passes through the work of spring
With sliding connection block follows first support arm to be moved back and forth above and below, and sliding connection block drives second support arm by connecting seat
Do upper and lower reciprocating motion so that the needle folder positioned at second support arm end is clamped in the position of the close needle point of sewing machine needle always
It sets, to make sewing machine needle be not susceptible to be bent when carrying out sewing operation to the harder material of quality.2, the present invention passes through
The installation site that adjusting screw may be implemented to be clipped in needle sewing machine needle is adjusted by a small margin.3, the present invention can by holder
To realize that the installation site for being clipped in sewing machine to needle is significantly adjusted.4, needle folder of the present invention uses detachable with second support arm
Ground connects, therefore is conveniently replaceable different needles and presss from both sides to adapt to the sewing machine needle of different model.4, the present invention is in the second guide rod
Bottom be provided with limited block and stop screw, for the extreme position that limit slippage link block moves downward, to second
The extreme position that support arm moves downward is limited, so as to protect surface cannot be by sewing material that second support arm touches
Material.
Description of the drawings
Fig. 1 is the overall structure diagram of sewing machine needle protection device of the present invention；
Fig. 2 is sewing machine needle protection device of the present invention（Omit clamping screw）Structural schematic diagram under another visual angle；
Fig. 3 is structural schematic diagram of the invention sewing machine needle protection device under another visual angle；
Fig. 4 is the overall structure diagram of sewing machine of the present invention；
Fig. 5 is the mounting structure schematic diagram of sewing machine needle protection device and sewing machine of the present invention.
Specific implementation mode
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figures 1 to 3, the present invention proposes a kind of sewing machine needle protection device 10, it includes that holder 101, first is oriented to
Bar 102, the second guide rod 103, first support arm 104, sliding connection block 105, connecting seat 106 and second support arm 107.Wherein, it props up
Frame 101 with head of sewing machine for being fixedly connected.First guide rod 102 and the second guide rod 103 are fastenedly connected in holder 101
Bottom.First support arm 104 is slidably connected on the first guide rod 102, and one end of first support arm 104 is used for and needle bar of sewing machine
Connection.Sliding connection block 105 is slidably connected on the second guide rod 103, is led between sliding connection block 105 and first support arm 104
Cross the connection of spring 108.Connecting seat 106 includes supporting beam 109 and the end plate 110 in 109 upper/lower terminal of supporting beam is arranged, wherein
Supporting beam 109 and sliding connection block 105 on the direction parallel with the second guide rod 103 in being slidably connected, end plate wherein
It is provided with spring 111 between 110 and sliding connection block 105, adjusting screw 112, adjusting screw are provided on another end plate 110
112 stud end is against after passing through end plate 110 on sliding connection block 105.One end of second support arm 107 is fastened with supporting beam 109
Connection, the other end are provided with the folder of the needle for being sleeved on sewing machine needle 113.
As shown in Figure 4, Figure 5, in the use of the present invention, the top of holder 101 is fastenedly connected with head of sewing machine 20, first
The end of support arm 104 is connect with needle bar of sewing machine 30 by connecting component 50, and needle folder 113 is sleeved on sewing machine needle 40.Work as seam
When machine of threading operates, needle bar of sewing machine 30 by connecting component 50 drive first support arm 104 do it is synchronous with needle bar of sewing machine 40 it is upper,
Lower reciprocating motion, by the effect of spring 108, sliding connection block 105 follows first support arm 104 to be moved back and forth above and below, and
Sliding connection block 105 drives second support arm 107 to do upper and lower reciprocating motion by connecting seat 106 so that is located at second support arm 107
The needle folder 113 of end is clamped in the position of the close needle point of sewing machine needle 40 always, to make sewing machine needle 40 confront
The harder material in ground carries out being not susceptible to be bent when sewing operation.In addition, adjusting screw 112 can press from both sides for metering needle by a small margin
113 installation site on sewing machine needle 40, when turning adjusting screw 112 makes its precession, the stud end of adjusting screw 112
Sliding connection block 105 can be pressed closer, sliding connection block 105 and the relative position of supporting beam 109 is made to change（Spring 111 simultaneously
Compressive deformation）, to make needle folder 113 and the relative position of sewing machine needle 40 change；Conversely, working as turning adjusting screw
112 when making its back-out, becomes in the pressure effect lower slider link block 105 of spring 111 and the relative position of supporting beam 109
Change, to make needle folder 113 and the relative position of sewing machine needle 40 change.Preferably, connecting component 50 is sleeved on sewing machine
It is locked on shank 30 and by lock-screw 501, the side of connecting component 50 is provided with open slot, open slot is to first support arm
103 form constraint on the axis direction of needle bar of sewing machine 30.
Further, nut 114 is connected in adjusting screw 112, nut 114 is arranged in adjusting screw 112
Between screw head end and end plate 110, nut 114 act as locking adjusting screw 112, when by adjusting screw 112 by needle press from both sides 113
Adjust to ideal position, tighten nut 114 can adjustment screw 112, to locking pin folder 113 height.
Further, holder 101 includes the first link block 115, third guide rod 116, the second link block 117 and locking screw
Bolt 118, wherein the mounting hole for being fixedly connected with head of sewing machine 20 is provided on the first link block 115；Third is oriented to
Bar 116 is fastenedly connected in the bottom of the first link block 115；Second link block 117 is slidably connected on third guide rod 116,
The side of second link block 117 is provided with bolt hole；The stud end of clamping screw 118 passes through bolt hole and is against third guide rod
On 116.Holder 101 can be used for significantly 113 installation site on sewing machine needle 40 of metering needle folder, i.e., by adjusting the
Position of two link blocks 117 on third guide rod 116, which can be realized, adjusts 113 height of needle folder.
Further, needle folder 113 uses detachably connected with second support arm 107, in order to replace different needle folders 113
To adapt to the sewing machine needle 40 of different model.
Further, be provided with expansion link mechanism in spring 108, the both ends of expansion link mechanism respectively with first support arm
104, sliding connection block 105 is fastenedly connected；Specifically, expansion link mechanism is by loop bar 120 and the core being slidably connected in loop bar 120
Bar 121 is constituted, and expansion link mechanism is for preventing spring 108 from bending, to ensure spring 108 to sliding connection block 105
Force direction is effective force direction.
Further, the lower end of the second guide rod 103 is provided with limited block 122, limited block 122 is connected by tapped through hole
It is connected to stop screw 123, the stud end of stop screw 123 is pierced by from the top surface of limited block 122 after tapped through hole, is limiting
It is provided with nut 124 between the screw head end and limited block 122 of screw 123, for locking stop screw 123.Stop screw 123 is used
In the extreme position that limit slippage link block 105 moves downward, the extreme position to be moved downward to second support arm 107 carries out
Limitation.When the stud for moving downward and touching stop screw 123 under drive of the sliding connection block 105 in first support arm 104
When end, sliding connection block 105 moves downward stopping under the limitation of stop screw 123, and second support arm 107 also stops transporting downwards
It is dynamic, and needle bar of sewing machine 30 then continues that first support arm 104 is driven to move downward, while spring 108 is stretched.122 He of limited block
The setting of stop screw 123 for protecting certain special sewing materials, for example, when sew object be mirror surface leather when, mirror surface leather
Surface strictly to avoid being encountered by second support arm 107, otherwise will be left behind indelible trace, seriously affect U.S. of mirror surface leather
It sees.
The present invention is only illustrated with above-described embodiment, and structure, installation position and its connection of each component are all can have
Changed, based on the technical solution of the present invention, all improvement that individual part is carried out according to the principle of the invention and equivalent
Transformation, should not exclude except protection scope of the present invention.
Claims (9)
1. a kind of sewing machine needle protection device, it is characterised in that：Including holder, the first guide rod, the second guide rod, first support arm,
Sliding connection block, connecting seat and second support arm；First guide rod and the second guide rod are fastenedly connected in the holder
Bottom；The first support arm is slidably connected on first guide rod, and one end of the first support arm is to be used for and sewing machine
The connecting pin of shank connection；The sliding connection block is slidably connected on second guide rod, the sliding connection block and institute
It states and is connected by the first spring between first support arm；The connecting seat includes supporting beam and is arranged in the supporting beam upper and lower two
The end plate at end, the supporting beam and the sliding connection block on the direction parallel with second guide rod in being slidably connected,
It is provided with second spring between an end plate and the sliding connection block wherein, adjusting is provided on another end plate
The stud end of screw, the adjusting screw is against after the end plate on the sliding connection block；The one of the second support arm
End is fastenedly connected with the supporting beam, and the other end is provided with the folder of the needle for being sleeved on sewing machine needle.
2. sewing machine needle protection device as described in claim 1, it is characterised in that：It is connected with spiral shell in the adjusting screw
Mother, the nut are arranged between the screw head end and the end plate of the adjusting screw.
3. sewing machine needle protection device as described in claim 1, it is characterised in that：The holder includes the first link block, third
Guide rod, the second link block and clamping screw are provided on first link block for being fixedly connected with head of sewing machine
Mounting hole；The third guide rod is fastenedly connected in the bottom of first link block；Second link block is slidably connected
On the third guide rod, the side of second link block is provided with bolt hole；It wears at the stud end of the clamping screw
It crosses the bolt hole and is against on the third guide rod.
4. sewing machine needle protection device as described in claim 1, it is characterised in that：The needle folder is detachable with the second support arm
Ground connects.
5. sewing machine needle protection device as described in claim 1, it is characterised in that：It is provided with telescopic rod in first spring
The both ends of mechanism, the expansion link mechanism are fastenedly connected with the first support arm, sliding connection block respectively；The expansion link mechanism
It is made of loop bar and the core bar being slidably connected in the loop bar.
6. sewing machine needle protection device as described in claim 1, it is characterised in that：It is provided in the lower end of second guide rod
Limited block, the limited block are connected with stop screw by tapped through hole, and the stud end of the stop screw passes through the screw thread
It is pierced by from the top surface of the limited block after through-hole.
7. sewing machine needle protection device as claimed in claim 6, it is characterised in that：The screw head end of the stop screw with it is described
Nut is provided between limited block.
8. a kind of sewing machine being equipped with sewing machine needle protection device as described in any one of claim 1 to 7, it is characterised in that：
Further include head of sewing machine, needle bar of sewing machine and sewing machine needle；The top of the holder connects with head of sewing machine fastening
It connects；The needle bar of sewing machine is connect by connecting component with the first support arm；The needle chuck is on the sewing machine needle.
9. sewing machine as claimed in claim 8, it is characterised in that：The connecting component is sleeved on the needle bar of sewing machine and leads to
Lock-screw locking is crossed, the side of the connecting component is provided with open slot, the open slot is to the first support arm in institute
It states and forms constraint on the axis direction of needle bar of sewing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610774417.2A CN106087288B (en) | 2016-08-31 | 2016-08-31 | Sewing machine and sewing machine needle protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610774417.2A CN106087288B (en) | 2016-08-31 | 2016-08-31 | Sewing machine and sewing machine needle protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106087288A CN106087288A (en) | 2016-11-09 |
| CN106087288B true CN106087288B (en) | 2018-08-21 |
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ID=57224403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610774417.2A Active CN106087288B (en) | 2016-08-31 | 2016-08-31 | Sewing machine and sewing machine needle protection device |
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| Country | Link |
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| CN (1) | CN106087288B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI621747B (en) * | 2017-01-13 | 2018-04-21 | Ming Jang Sewing Machine Co Ltd | Needle structure of four-needle six-wire sewing machine |
| CN112538693B (en) * | 2020-11-30 | 2022-04-15 | 深圳粉蓝衣橱时尚股份有限公司 | Method for sewing zigzag decorative stitch on thin fabric and template group |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1973757U (en) * | 1967-09-23 | 1967-11-30 | Pfaff Ag G M | THREAD CONTROL DEVICE FOR A SEWING MACHINE. |
| JP2787115B2 (en) * | 1995-09-29 | 1998-08-13 | 務 崎野 | Protective device for broken sewing machine needle |
| CN1193668A (en) * | 1997-03-13 | 1998-09-23 | 高林股份有限公司 | Needle protector of sewing machine |
| CN1696376A (en) * | 2004-05-14 | 2005-11-16 | 曾贤长 | Protector for blocking off on-the-fly of broken needle |
| CN201553887U (en) * | 2009-11-09 | 2010-08-18 | 茆通明 | Needle protecting device of seaming machine |
| CN102535052B (en) * | 2012-01-19 | 2014-06-25 | 石狮市永信电脑设备制造有限公司 | Leather/thick material embroidery machine |
| CN104562490A (en) * | 2015-02-03 | 2015-04-29 | 陈展新 | Needle bar protective mouth driving structure of towel embroiderer |
| CN204644605U (en) * | 2015-04-27 | 2015-09-16 | 新通宇缝纫机股份有限公司 | A kind of guider transporting sewing machine |
| CN205171140U (en) * | 2015-10-28 | 2016-04-20 | 苏州美山子制衣有限公司 | Flush joint machine safety device |
| CN205347734U (en) * | 2016-01-13 | 2016-06-29 | 乐清市名泰机械有限公司 | Computerized embroidery machine aircraft nose |
-
2016
- 2016-08-31 CN CN201610774417.2A patent/CN106087288B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106087288A (en) | 2016-11-09 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200904 Address after: 422000 intersection of Shaoyang Avenue and national highway 320, Shuangqing District, Shaoyang City, Hunan Province Patentee after: Shaoyang ChuangSheng Industrial Co.,Ltd. Address before: Pan Feng Village in Ouhai District of Zhejiang province Wenzhou 325000 shore road, Lane 109 No. 8 Patentee before: Lan Rulin |
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| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Sewing machines and needle protection devices Effective date of registration: 20230918 Granted publication date: 20180821 Pledgee: China Construction Bank Corporation Shaoyang Branch Pledgor: Shaoyang ChuangSheng Industrial Co.,Ltd. Registration number: Y2023980057433 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |