CN206706343U - the needle bar crank of sewing machine - Google Patents
the needle bar crank of sewing machine Download PDFInfo
- Publication number
- CN206706343U CN206706343U CN201720492347.1U CN201720492347U CN206706343U CN 206706343 U CN206706343 U CN 206706343U CN 201720492347 U CN201720492347 U CN 201720492347U CN 206706343 U CN206706343 U CN 206706343U
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- CN
- China
- Prior art keywords
- locating slot
- crank
- sewing machine
- needle bar
- crank body
- 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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Abstract
The utility model discloses a kind of needle bar crank of sewing machine, including crank body, crank body offers centre bore vertically, and centre bore is used to wear axle；The upper surface of the crank body is provided with least one locating slot.The utility model is possessing on fixed on the basis of the function of axle and thread take-up tension lever, can assemble and more light in debugging process, easily realization positioning.
Description
Technical field
It the utility model is related to a kind of annex of sewing machine, and in particular to a kind of needle bar crank of sewing machine.
Background technology
Needle bar crank function phase used for sewing machine at present only only fixes the work(of upper axle and thread take-up tension lever to single
Can, the function of not positioning.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of needle bar crank of sewing machine, and it can realize positioning
Function.
In order to solve the above technical problems, the technical solution of the needle bar crank of the utility model sewing machine is：
Including crank body 20, crank body 20 offers centre bore 8 vertically, and centre bore 8 is used to wear axle 6；Institute
The upper surface for stating crank body 20 is provided with least one locating slot, for positioning synchronous position, hooking position or limit inferior position
Put.
The crank body 20 is fixedly connected with one end of upper axle 6 by screw.
The upper surface of the crank body 20 is provided with the first locating slot 1 and the second locating slot 2, and the first locating slot 1 is used for
Positioning synchronous position；Second locating slot 2 is used for location hook line position.
The upper surface of the crank body 20 is provided with the first locating slot 1 and the 3rd locating slot 3, and the first locating slot 1 is used for
Positioning synchronous position；3rd locating slot 3 is used to position lower limit position.
The upper surface of the crank body 20 is provided with the second locating slot 2 and the 3rd locating slot 3, and the second locating slot 2 is used for
Location hook line position；3rd locating slot 3 is used to position lower limit position.
The upper surface of the crank body 20 is provided with three locating slots 1,2,3, the first locating slot 1, the second locating slot 2,
3rd locating slot 3 is set gradually；First locating slot 1 is used for positioning synchronous position；Second locating slot 2 is used for location hook line position；
3rd locating slot 3 is used to position lower limit position.
What the utility model can reach has the technical effect that：
The utility model realizes positioning by three locating slots to the synchronization on sewing machine, hooking, lower limit position, can
The time of assembling and debugging is reduced, reduces labor intensity.
The utility model is possessing on fixed on the basis of the function of axle and thread take-up tension lever, can be in assembling and debugging process
More easily, positioning is easily realized.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the schematic diagram of the needle bar crank of the utility model sewing machine；
Fig. 2 is use state diagram of the present utility model；
Fig. 3 is the schematic diagram of another embodiment of the present utility model；
Fig. 4 is the use state diagram of another embodiment of the present utility model；
Fig. 5 is the schematic diagram of 3rd embodiment of the present utility model；
Fig. 6 is the use state diagram of 3rd embodiment of the present utility model.
Description of reference numerals in figure：
1 is the first locating slot, and 2 be the second locating slot,
3 be the 3rd locating slot, and 6 be upper axle,
Hole centered on 8,20 be crank body.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
The accompanying drawing of type embodiment, the technical scheme of the utility model embodiment is clearly and completely described.Obviously, it is described
Embodiment is part of the embodiment of the present utility model, rather than whole embodiments.Based on described of the present utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained on the premise of without creative work, all belongs to
In the scope of the utility model protection.Unless otherwise defined, technical term or scientific terminology used herein should be this reality
With the ordinary meaning that there is the personage of general technical ability to be understood in new art." first " used herein, " second "
And similar word is not offered as any order, quantity or importance, and it is used only to distinguish different parts.
The similar word such as " comprising " means to occur element before the word or object covers the element for appearing in the word presented hereinafter
Or object and its equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " not limits
Due to physics or mechanical connection, but electrical connection can be included, it is either directly or indirect." on ",
" under ", "left", "right" etc. be only used for representing relative position relation, after the absolute position for being described object changes, then this is relative
Position relationship may also correspondingly change.
As shown in figure 1, the needle bar crank of the utility model sewing machine, including crank body 20, crank body 20 is vertically
Centre bore 8 is offered, centre bore 8 is used to wear axle 6；Crank body 20 is fixedly connected with one end of upper axle 6 by screw；
The upper surface of crank body 20 is disposed with the first locating slot 1, the second locating slot 2, the 3rd locating slot 3；Three
Locating slot represents three positioning datums；
First locating slot 1 is used for positioning synchronous position；Second locating slot 2 is used for location hook line position；3rd locating slot 3 is used
In positioning lower limit position.
As shown in Fig. 2 operation principle of the present utility model is as follows：
Upper axle 6 drives crank body 20 to rotate clockwise；12 point positions are in when crank body 20 runs to the 3rd locating slot 3
When putting, positioning datum of the crank body 20 as lower limit position；It is at 12 points when crank body 20 runs to the second locating slot 2
During position, positioning datum of the crank body 20 as hooking position；It is at 12 points when crank body 20 runs to the first locating slot 1
During position, positioning datum of the crank body 20 as sync bit.
As shown in Figure 3, Figure 4, it is disposed with as another embodiment of the present utility model, the upper surface of crank body 20
First locating slot 1, the 3rd locating slot 3；First locating slot 1 and the 3rd locating slot 3 are respectively as sync bit and lower limit position
Positioning datum.
As shown in Figure 5, Figure 6,3rd embodiment of the present utility model, the upper surface of crank body 20 are provided with the 3rd
Locating slot 3, the positioning datum as lower limit position.
Although embodiment of the present utility model is hereinbefore described in detail, come for those skilled in the art
Say it is readily apparent that various modifications and variations can be carried out to these embodiments.However, it is understood that this modification and change
Change is belonged within the scope of the utility model and spirit described in claims.Moreover, described herein practicality is new
Type can have other embodiments, and can be practiced or carried out in several ways.
Claims (6)
- A kind of 1. needle bar crank of sewing machine, it is characterised in that：Including crank body, crank body offers center vertically Hole, centre bore are used to wear axle；The upper surface of the crank body is provided with least one locating slot, for positioning synchronous position Put, hooking position or lower limit position.
- 2. the needle bar crank of sewing machine according to claim 1, it is characterised in that：The crank body is fixed by screw One end of axle in connection.
- 3. the needle bar crank of sewing machine according to claim 1, it is characterised in that：The upper surface of the crank body is set There are the first locating slot and the second locating slot, the first locating slot is used for positioning synchronous position；Second locating slot is used to position hooking position Put.
- 4. the needle bar crank of sewing machine according to claim 1, it is characterised in that：The upper surface of the crank body is set There are the first locating slot and the 3rd locating slot, the first locating slot is used for positioning synchronous position；3rd locating slot is used to position limit inferior Position.
- 5. the needle bar crank of sewing machine according to claim 1, it is characterised in that：The upper surface of the crank body is set There are the second locating slot and the 3rd locating slot, the second locating slot is used for location hook line position；3rd locating slot is used to position limit inferior Position.
- 6. the needle bar crank of sewing machine according to claim 1, it is characterised in that：The upper surface of the crank body is set There are three locating slots, the first locating slot, the second locating slot, the 3rd locating slot are set gradually；First locating slot is used for positioning synchronous Position；Second locating slot is used for location hook line position；3rd locating slot is used to position lower limit position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720492347.1U CN206706343U (en) | 2017-05-05 | 2017-05-05 | the needle bar crank of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720492347.1U CN206706343U (en) | 2017-05-05 | 2017-05-05 | the needle bar crank of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206706343U true CN206706343U (en) | 2017-12-05 |
Family
ID=60466428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720492347.1U Active CN206706343U (en) | 2017-05-05 | 2017-05-05 | the needle bar crank of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206706343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108149404A (en) * | 2018-03-05 | 2018-06-12 | 苏州强逸机械有限公司 | A kind of use in sewing machine needle bar crank |
-
2017
- 2017-05-05 CN CN201720492347.1U patent/CN206706343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108149404A (en) * | 2018-03-05 | 2018-06-12 | 苏州强逸机械有限公司 | A kind of use in sewing machine needle bar crank |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 317502 Zhongxiang Industrial Zone, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Meiji Technology Group Co.,Ltd. Address before: 317502 Zhongxiang Industrial Zone, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG MAQI SEWING MACHINE Co.,Ltd. |