CN108149404A - A kind of use in sewing machine needle bar crank - Google Patents
A kind of use in sewing machine needle bar crank Download PDFInfo
- Publication number
- CN108149404A CN108149404A CN201810178955.4A CN201810178955A CN108149404A CN 108149404 A CN108149404 A CN 108149404A CN 201810178955 A CN201810178955 A CN 201810178955A CN 108149404 A CN108149404 A CN 108149404A
- Authority
- CN
- China
- Prior art keywords
- semi arch
- jacket
- crank
- crank body
- snubber block
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2209/00—Use of special materials
- D05D2209/08—Use of special materials elastic, e.g. rubber spring
Abstract
The invention discloses a kind of use in sewing machine needle bar cranks, including crank body, clump weight, first snubber block and the second snubber block, the crank body bottom end is fixedly installed link block, the link block is arc-shaped structure, the second connecting hole is offered on the inside of the crank body, second connecting hole is connected with main shaft, the second connection outer end of hole crank body is provided with axle sleeve, the axle sleeve includes the first semi arch jacket and the second semi arch jacket, the first semi arch jacket and the second semicircular arc-shaped, which are put on, symmetrically offers threaded hole, bolt is installed on the threaded hole, the bolt connects the first semi arch jacket and the second semi arch jacket longitudinally through threaded hole, the first semi arch jacket is fixedly welded on crank body, the second semi arch jacket fixes the first semi arch jacket by bolt and threaded hole threaded connection.The use in sewing machine needle bar crank, have it is easy for installation, subtract the features such as sound noise reduction practicability is high, can be widely used.
Description
Technical field
The invention belongs to needle bar crank technical fields, and in particular to a kind of use in sewing machine needle bar crank.
Background technology
The products such as fabrics and leather, plastics, paper such as function of sewing sewing cotton, fiber crops, silk, hair, staple fibre, the line stitched out
Mark neat appearance, it is smooth securely, sewing velocity is fast, uses simplicity.And hand push is derived with it and embroiders the art forms such as computerized embroidery,
Needle bar crank makes the indispensable component part of sewing machine.
In the application of existing needle bar crank reality, there is shake it is excessive the defects of, the Kong Yu axis of needle bar crank
Connection is also inconvenient, and practicality is easily shaken for a long time.
Invention content
The purpose of the present invention is to provide a kind of use in sewing machine needle bar crank, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides following technical solution：A kind of use in sewing machine needle bar crank, including crank
Body, clump weight, the first snubber block and the second snubber block, the crank body bottom end are fixedly installed link block, and the link block is
Arc-shaped structure, the crank body inside offer the second connecting hole, and second connecting hole is connected with main shaft, and described second connects
It connecing outer end of hole crank body and is provided with axle sleeve, the axle sleeve includes the first semi arch jacket and the second semi arch jacket, and described first
Semi arch jacket and the second semicircular arc-shaped, which are put on, symmetrically offers threaded hole, and bolt, the bolt are equipped on the threaded hole
The first semi arch jacket is connected longitudinally through threaded hole and the second semi arch jacket, the first semi arch jacket are fixedly welded on
On crank body, the second semi arch jacket fixes the first semi arch jacket by bolt and threaded hole threaded connection.
Preferably, the crank body upper end is provided with engaging lug, and the first connecting hole is offered on the inside of the engaging lug, described
Link block outer end is fixedly installed clump weight, and the clump weight is U-shaped structure, is fitted in the outer end of link block.
Preferably, the link block both sides are installed with the first snubber block and the second snubber block, first snubber block
It is U-shaped structure with the second snubber block, and inboard arrays are provided with multigroup damping spring.
Preferably, the damping spring both ends are symmetrically arranged with spring pedestal, and the spring pedestal is fixed at first
On the inner wall of snubber block and the second snubber block.
The technique effect and advantage of the present invention：The use in sewing machine needle bar crank increases on the link block of crank body lower end and matches
Pouring weight, link block both sides are equipped with the first snubber block and the second snubber block, and snubber block inboard arrays are provided with multigroup damping spring,
Reduce the effect that needle bar crank trembles during exercise, damping effect is splendid, and the detachable design of axle sleeve facilitates crank body and main shaft
Connection installation, it is time saving and energy saving.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the side view of the present invention；
Fig. 3 is the counterweight block structure schematic diagram of the present invention.
In figure：1 crank body, 2 first connecting holes, 3 bolts, 4 first semi arch jackets, 5 second semi arch jackets, 6 main shafts,
7 engaging lugs, 8 first snubber blocks, 9 clump weights, 10 threaded holes, 11 axle sleeves, 12 second snubber blocks, 13 second connecting holes, 14 dampings
Spring, 15 spring pedestals, 16 link blocks.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of use in sewing machine needle bar crank as shown in Figs. 1-3, including crank body 1, clump weight 9,
One snubber block 8 and the second snubber block 12,1 bottom end of crank body are fixedly installed link block 16, and the link block 16 is circular arc
Shape structure, 1 inside of the crank body offer the second connecting hole 13, and second connecting hole 13 is connected with main shaft 6, and described second
13 outer end crank body 1 of connecting hole is provided with axle sleeve 11, and the axle sleeve 11 includes the first semi arch jacket 4 and the second semi arch jacket
5, threaded hole 10 is symmetrically offered on the first semi arch jacket 4 and the second semi arch jacket 5, is installed on the threaded hole 10
There is a bolt 3, the bolt 3 connects the first semi arch jacket 4 and the second semi arch jacket 5 longitudinally through threaded hole 10, and described the
One semicircular arc-shaped set 4 is fixedly welded on crank body 1, and the second semi arch jacket 5 is connected by bolt 3 and 10 screw thread of threaded hole
It connects and fixes the first semi arch jacket 4.
Specifically, 1 upper end of crank body is provided with engaging lug 7,7 inside of engaging lug offers the first connecting hole 2,
16 outer end of link block is fixedly installed clump weight 9, and the clump weight 9 is U-shaped structure, is fitted in the outer end of link block 16.
Specifically, 16 both sides of link block are installed with the first snubber block 8 and the second snubber block 12, described first subtracts
It is U-shaped structure to shake 8 and second snubber block 12 of block, and inboard arrays are provided with multigroup damping spring 14.
Specifically, 14 both ends of damping spring are symmetrically arranged with spring pedestal 15, the spring pedestal 15 is fixedly installed
On the inner wall of the first snubber block 8 and the second snubber block 12.
Specifically, the use in sewing machine needle bar crank, increase clump weight 9, clump weight 9 on the link block 16 of 1 lower end of crank body
For U-shaped structure, increase the whole weight of crank body 1, improving stability, 16 both sides of link block are equipped with the first snubber block 8 and the
Two snubber blocks 12, are equipped with the first snubber block 8 and 12 inboard arrays of the second snubber block are provided with multigroup damping spring 14, reduce bent
The effect that shank body 1 is trembleed during exercise, damping effect is splendid, and axle sleeve 11 includes the first semi arch jacket 4 and the second semicircular arc-shaped
Set 5, the first semi arch jacket 4 is fixedly connected on crank body 1, and the first half are fixed by bolt 3 and the threaded connection of threaded hole 10
Circular arc jacket 4,11 detachable design of axle sleeve facilitate crank body 1 and the connection of main shaft 6 to install, time saving and energy saving, the use in sewing machine needle
Pole crank is simple in structure, have it is easy for installation, subtract the features such as sound noise reduction practicability is high, can be widely used.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent replacement to which part technical characteristic,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of use in sewing machine needle bar crank, including crank body (1), clump weight (9), the first snubber block (8) and the second snubber block
(12), it is characterised in that：Crank body (1) bottom end is fixedly installed link block (16), and the link block (16) is arc-shaped
Structure, crank body (1) inside offer the second connecting hole (13), and second connecting hole (13) is connected with main shaft (6), institute
It states the second connecting hole (13) outer end crank body (1) and is provided with axle sleeve (11), the axle sleeve (11) includes the first semi arch jacket (4)
With the second semi arch jacket (5), screw thread is symmetrically offered on the first semi arch jacket (4) and the second semi arch jacket (5)
Hole (10), is equipped with bolt (3) on the threaded hole (10), and the bolt (3) is longitudinally through threaded hole (10) connection the first half
Circular arc jacket (4) and the second semi arch jacket (5), the first semi arch jacket (4) are fixedly welded on crank body (1), institute
It states the second semi arch jacket (5) and the first semi arch jacket (4) is fixed by bolt (3) and threaded hole (10) threaded connection.
2. a kind of use in sewing machine needle bar crank according to claim 1, it is characterised in that：Crank body (1) upper end is set
Engaging lug (7) is equipped with, the first connecting hole (2), link block (16) the outer end fixed setting are offered on the inside of the engaging lug (7)
There is clump weight (9), the clump weight (9) is U-shaped structure, is fitted in the outer end of link block (16).
3. a kind of use in sewing machine needle bar crank according to claim 1, it is characterised in that：Link block (16) both sides are solid
Dingan County is equipped with the first snubber block (8) and the second snubber block (12), and first snubber block (8) and the second snubber block (12) are U-shaped
Structure, and inboard arrays are provided with multigroup damping spring (14).
4. a kind of use in sewing machine needle bar crank according to claim 3, it is characterised in that：Damping spring (14) both ends
Spring pedestal (15) is symmetrically arranged with, the spring pedestal (15) is fixed at the first snubber block (8) and the second snubber block
(12) on inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178955.4A CN108149404A (en) | 2018-03-05 | 2018-03-05 | A kind of use in sewing machine needle bar crank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178955.4A CN108149404A (en) | 2018-03-05 | 2018-03-05 | A kind of use in sewing machine needle bar crank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108149404A true CN108149404A (en) | 2018-06-12 |
Family
ID=62456379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810178955.4A Withdrawn CN108149404A (en) | 2018-03-05 | 2018-03-05 | A kind of use in sewing machine needle bar crank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108149404A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176553A (en) * | 2020-11-02 | 2021-01-05 | 拓卡奔马机电科技有限公司 | Dynamic balancing device of sewing machine and sewing machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002306877A (en) * | 2001-04-11 | 2002-10-22 | Juki Corp | Needle thread take-up driving device for sewing machine |
| CN201560307U (en) * | 2009-11-25 | 2010-08-25 | 苏州扬名机电有限公司 | Installation structure for sensor at machine needle position of sewing machine |
| CN202081263U (en) * | 2011-05-04 | 2011-12-21 | 张章生 | Anti-thread winding mechanism of sewing machine |
| CN202766789U (en) * | 2012-08-27 | 2013-03-06 | 吴江市中盛机械有限公司 | Needle bar crank for industrial sewing machine |
| CN204455536U (en) * | 2015-01-17 | 2015-07-08 | 台州青鸟缝纫科技有限公司 | A kind of needle bar crank |
| CN205347728U (en) * | 2016-02-04 | 2016-06-29 | 陈东亮 | A link mechanism for domestic electric sewing machine |
| CN206706343U (en) * | 2017-05-05 | 2017-12-05 | 浙江美机缝纫机有限公司 | the needle bar crank of sewing machine |
| CN207958691U (en) * | 2018-03-05 | 2018-10-12 | 苏州强逸机械有限公司 | A kind of use in sewing machine needle bar crank |
-
2018
- 2018-03-05 CN CN201810178955.4A patent/CN108149404A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002306877A (en) * | 2001-04-11 | 2002-10-22 | Juki Corp | Needle thread take-up driving device for sewing machine |
| CN201560307U (en) * | 2009-11-25 | 2010-08-25 | 苏州扬名机电有限公司 | Installation structure for sensor at machine needle position of sewing machine |
| CN202081263U (en) * | 2011-05-04 | 2011-12-21 | 张章生 | Anti-thread winding mechanism of sewing machine |
| CN202766789U (en) * | 2012-08-27 | 2013-03-06 | 吴江市中盛机械有限公司 | Needle bar crank for industrial sewing machine |
| CN204455536U (en) * | 2015-01-17 | 2015-07-08 | 台州青鸟缝纫科技有限公司 | A kind of needle bar crank |
| CN205347728U (en) * | 2016-02-04 | 2016-06-29 | 陈东亮 | A link mechanism for domestic electric sewing machine |
| CN206706343U (en) * | 2017-05-05 | 2017-12-05 | 浙江美机缝纫机有限公司 | the needle bar crank of sewing machine |
| CN207958691U (en) * | 2018-03-05 | 2018-10-12 | 苏州强逸机械有限公司 | A kind of use in sewing machine needle bar crank |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176553A (en) * | 2020-11-02 | 2021-01-05 | 拓卡奔马机电科技有限公司 | Dynamic balancing device of sewing machine and sewing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180612 |