CN207958694U - A kind of needle bar crank for sewing machine - Google Patents
A kind of needle bar crank for sewing machine Download PDFInfo
- Publication number
- CN207958694U CN207958694U CN201820371519.4U CN201820371519U CN207958694U CN 207958694 U CN207958694 U CN 207958694U CN 201820371519 U CN201820371519 U CN 201820371519U CN 207958694 U CN207958694 U CN 207958694U
- Authority
- CN
- China
- Prior art keywords
- fixinig plate
- mounting hole
- sewing machine
- crank
- needle bar
- 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.)
- Expired - Fee Related
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a kind of needle bar cranks for sewing machine, including crank body, the crank body is provided in the axial direction with centre bore and mounting hole, the centre bore outer rim is provided with the second fixinig plate, second fixinig plate offers the second mounting hole through end curved surface, lower end curved surface thereon, the mounting hole outer rim is provided with the first fixinig plate, and first fixinig plate offers the first mounting hole through its left end curved surface, right end curved surface.This is used for the needle bar crank of sewing machine, has many advantages, such as that noise that is stable, generating is small, can be used with popularity.
Description
Technical field
The utility model belongs to sewing machine technique field, and in particular to a kind of needle bar crank for sewing machine.
Background technology
Sewing machine is formed one or more stitchings on sewing, is made one or more layers seam with one or more sewing thread
The machine that material interweaves or unites by a seam.Fabrics and leather, plastics, the paper such as function of sewing sewing cotton, fiber crops, silk, hair, staple fibre
Equal products, the stitching neat appearance stitched out, it is smooth securely, sewing velocity is fast, uses simplicity.And hand push is derived with it and embroiders computer
The art forms such as embroidery.
Needle bar crank is an important parts on sewing machine, in sewing machine work, machine spindle driving needle
Pole crank, needle bar crank are driven needle bar of sewing machine.The existing needle bar crank for sewing machine in actual application, there is
Excessive defect is shaken, causes to generate larger noise, affects the sewing work of staff.
Utility model content
The purpose of this utility model is to provide a kind of needle bar cranks for sewing machine, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions：A kind of needle bar crank for sewing machine, packet
Crank body is included, the crank body is provided in the axial direction with centre bore and mounting hole, and it is solid that the centre bore outer rim is provided with second
Stator, second fixinig plate offer the second mounting hole through end curved surface, lower end curved surface thereon, and the mounting hole outer rim is set
It is equipped with the first fixinig plate, first fixinig plate offers the first mounting hole through its left end curved surface, right end curved surface.
Preferably, the mounting hole is located at the lower section of centre bore, and second fixinig plate is located at the top of the first fixinig plate.
Preferably, the internal diameter of the centre bore is more than the internal diameter of mounting hole.
Preferably, second fixinig plate is symmetrically arranged with two groups, is located at the front and rear end of crank body, described
First fixinig plate is symmetrically arranged with two groups, is located at the front and rear end of crank body.
Preferably, first fixinig plate and crank body are structure as a whole, and second fixinig plate and crank body are
Integral structure.
The technique effect and advantage of the utility model：This is used for the needle bar crank of sewing machine, and the first fixinig plate, second are fixed
Piece is structure as a whole with crank body, is reinforced between transmission shaft and crank body and is connected by the first fixinig plate and the second fixinig plate
The compactness connect so that crank body when movement is more stablized；Simultaneously enhance transmission shaft connected with crank body it is secured
Property, when transmission shaft and crank body move so that the trembling that crank body generates effectively is weakened, and is obviously reduced
The noise that sewing machine generates.
Description of the drawings
Fig. 1 is the stereogram of the utility model；
Fig. 2 is the front view of the utility model.
In figure：1 crank body, 2 first fixinig plates, 3 first mounting holes, 4 mounting holes, 5 centre bores, 6 second fixinig plates, 7
Second mounting hole.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model provides a kind of needle bar crank for sewing machine as shown in Figs. 1-2, including crank body 1,
The crank body 1 is provided in the axial direction with centre bore 5 and mounting hole 4, and 5 outer rim of the centre bore is provided with the second fixinig plate 6, institute
It states the second fixinig plate 6 and offers the second mounting hole 7 through end curved surface, lower end curved surface thereon, 4 outer rim of the mounting hole is provided with
First fixinig plate 2, first fixinig plate 2 offer the first mounting hole 3 through its left end curved surface, right end curved surface.
Specifically, the mounting hole 4 is located at the lower section of centre bore 5, second fixinig plate 6 is located at the first fixinig plate 2
Top.
Specifically, the internal diameter of the centre bore 5 is more than the internal diameter of mounting hole 4.
Specifically, second fixinig plate 6 is symmetrically arranged with two groups, it is located at the front and rear end of crank body 1, institute
It states the first fixinig plate 2 and is symmetrically arranged with two groups, be located at the front and rear end of crank body 1.
Specifically, first fixinig plate 2 and crank body 1 are structure as a whole, second fixinig plate 6 and crank body
1 is structure as a whole.
Specifically, this is used for the needle bar crank of sewing machine when in use, the first mounting hole 3 and the second mounting hole 7 are convenient for peace
Bolt is filled, crank body 1 and needle bar of sewing machine are closely connected by the first fixinig plate 2 and bolt, pass through 6 He of the second fixinig plate
Bolt closely connects crank body 1 and machine spindle so that the crank body 1 when movement is more stablized；It enhances simultaneously
The fastness that machine spindle, needle bar of sewing machine and crank body 1 connect, during exercise so that the trembling that crank body 1 generates
Effectively weakened, and the apparent noise for reducing sewing machine generation.This is used for the needle bar crank of sewing machine, has operation steady
The advantages that noise determine, generated is small, can be used with popularity.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of needle bar crank for sewing machine, including crank body (1), it is characterised in that：The crank body (1) is along axis
To centre bore (5) and mounting hole (4) is offered, centre bore (5) outer rim is provided with the second fixinig plate (6), and described second is solid
Stator (6) offers the second mounting hole (7) through end curved surface, lower end curved surface thereon, and mounting hole (4) outer rim is provided with the
One fixinig plate (2), first fixinig plate (2) offer the first mounting hole (3) through its left end curved surface, right end curved surface.
2. a kind of needle bar crank for sewing machine according to claim 1, it is characterised in that：Mounting hole (4) position
Lower section in centre bore (5), second fixinig plate (6) are located at the top of the first fixinig plate (2).
3. a kind of needle bar crank for sewing machine according to claim 1, it is characterised in that：The centre bore (5)
Internal diameter is more than the internal diameter of mounting hole (4).
4. a kind of needle bar crank for sewing machine according to claim 3, it is characterised in that：Second fixinig plate
(6) two groups are symmetrically arranged with, the front and rear end of crank body (1) is located at, first fixinig plate (2) is symmetrically arranged with
Two groups, it is located at the front and rear end of crank body (1).
5. a kind of needle bar crank for sewing machine according to claim 1, it is characterised in that：First fixinig plate
(2) it is structure as a whole with crank body (1), second fixinig plate (6) and crank body (1) are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371519.4U CN207958694U (en) | 2018-03-19 | 2018-03-19 | A kind of needle bar crank for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820371519.4U CN207958694U (en) | 2018-03-19 | 2018-03-19 | A kind of needle bar crank for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207958694U true CN207958694U (en) | 2018-10-12 |
Family
ID=63724898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820371519.4U Expired - Fee Related CN207958694U (en) | 2018-03-19 | 2018-03-19 | A kind of needle bar crank for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207958694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166174A (en) * | 2018-03-19 | 2018-06-15 | 苏州强逸机械有限公司 | A kind of needle bar crank for sewing machine |
-
2018
- 2018-03-19 CN CN201820371519.4U patent/CN207958694U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108166174A (en) * | 2018-03-19 | 2018-06-15 | 苏州强逸机械有限公司 | A kind of needle bar crank for sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190412 Address after: South of Tongxin Road, Luping Community, Hengfan Town, Wujiang City, Suzhou, Jiangsu, China Patentee after: Wujiang Kaiye Machinery Co., Ltd. Address before: 215223 Group 24, Anhu Village, Yinping Street, Hengfan, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou strong Yi Machinery Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20200319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |