CN202072906U - Curved needle connecting rod device - Google Patents
Curved needle connecting rod device Download PDFInfo
- Publication number
- CN202072906U CN202072906U CN2011201457177U CN201120145717U CN202072906U CN 202072906 U CN202072906 U CN 202072906U CN 2011201457177 U CN2011201457177 U CN 2011201457177U CN 201120145717 U CN201120145717 U CN 201120145717U CN 202072906 U CN202072906 U CN 202072906U
- Authority
- CN
- China
- Prior art keywords
- cam
- needle bearing
- connecting rod
- looper
- linkage
- 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)
- Rolling Contact Bearings (AREA)
Abstract
The utility model provides a curved needle connecting rod device comprises a curved needle connecting rod, a needle bearing and a cam. The cam comprises a mounting part, an eccentric rotating part and a blocking part, wherein the mounting part and the eccentric rotating part are respectively arranged at two sides of the blocking part, the needle bearing is sheathed on the mounting part of the cam, and the cam and an assembling piece of the needle bearing are installed in the curved needle connecting rod. According to the curved needle connecting rod device, as the blocking part is additionally arranged on the cam, the needle bearing can not collide with the eccentric rotating part of the cam when a part rotates at high speed, so that the needle bearing is protected well, and the service life of the needle bearing is prolonged.
Description
Technical field
The utility model relates to the technical field of Sewing machines, particularly a kind of looper linkage that is used for the spininess machine.
Background technology
As shown in Figure 1, be the looper linkage on the spininess machine of prior art.Wherein, comprise looper connecting rod 1, needle bearing 2, jump ring 3, and cam 4.Described cam 4 comprises the installation portion 41 on the left side and the eccentric rotary portion 42 on the right.
Described needle bearing 2 is set on the installation portion 41 of described cam 4, and described jump ring 3 is installed in the draw-in groove on the installation portion 41.The assembly of described cam 4 and needle bearing 2 and jump ring 3 is installed in the middle of the looper connecting rod 1.
But in the process that part runs up, needle bearing 2 has left and right sides axial float, therefore collides the eccentric rotary portion 42 of cam 4 easily, the situation that causes needle bearing to damage.
Therefore, in carrying out the utility model creation process, the inventor finds the unreasonable structure of existing looper linkage, and is long between use, easily causes the damage of needle bearing, reduces the service life of needle bearing.
Summary of the invention
In view of this, the utility model embodiment has proposed a kind of looper linkage that can avoid needle bearing to damage.
For solving the problems of the technologies described above, the purpose of the utility model embodiment is achieved through the following technical solutions:
The looper linkage that the utility model provides, comprise the looper connecting rod, needle bearing, and cam, described cam comprises installation portion, eccentric rotary portion, blocking part, described installation portion and eccentric rotary portion are arranged on the both sides of blocking part respectively, and described needle bearing is set on the installation portion of described cam, and the assembly of described cam and needle bearing is installed in the looper connecting rod.
Preferably, described looper linkage also comprises jump ring, and described jump ring is installed in the draw-in groove on the installation portion.
The looper linkage that the utility model provides, owing to increased the blocking part on cam, therefore when part ran up, needle bearing can not collide the eccentric rotary portion of cam, had therefore well protected needle bearing, had increased the service life of needle bearing.
Description of drawings
Fig. 1 is the fractionation structural representation of the looper linkage of prior art;
Fig. 2 is the structural representation of the utility model looper linkage;
Fig. 3 is the assembling schematic diagram of the utility model looper linkage.
The specific embodiment
The utility model provides a kind of looper linkage.Described looper linkage comprises the looper connecting rod, needle bearing, and cam, described cam comprises installation portion, eccentric rotary portion, blocking part, described installation portion and eccentric rotary portion are arranged on the both sides of blocking part respectively, described needle bearing is set on the installation portion of described cam, and the assembly of described cam and needle bearing is installed in the looper connecting rod.
Further describe below in conjunction with specific embodiment.
See also Fig. 2 and Fig. 3, be the structural representation and the assembling schematic diagram of the utility model looper linkage.
Described looper linkage comprises looper connecting rod 10, needle bearing 20, jump ring 30, and cam 40.
Described cam 40 comprises installation portion 401, eccentric rotary portion 402, blocking part 403, and described installation portion 401 and eccentric rotary portion 402 are separately positioned on the both sides of blocking part 403.
Described needle bearing 20 is set on the installation portion 401 of described cam 40, and described jump ring 30 is installed in the draw-in groove on the installation portion 401.The assembly of described cam 40 and needle bearing 20 and jump ring 30 is installed in the looper connecting rod 10.
When the looper linkage is worked, even needle bearing 20 has left and right sides axial float, owing to have blocking part 403 to block, so the eccentric rotary portion 402 that can not collide cam 40.
In sum, the looper linkage that the utility model embodiment is provided is owing to increased the blocking part on cam; therefore when part runs up; needle bearing can not collide the eccentric rotary portion of cam, has therefore well protected needle bearing, has increased the service life of needle bearing.
More than looper linkage that the utility model embodiment is provided be described in detail, used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used to help to understand the technical scheme that the utility model discloses; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (2)
1. looper linkage, comprise the looper connecting rod, needle bearing, and cam, it is characterized in that described cam comprises installation portion, eccentric rotary portion, blocking part, described installation portion and eccentric rotary portion are arranged on the both sides of blocking part respectively, described needle bearing is set on the installation portion of described cam, and the assembly of described cam and needle bearing is installed in the looper connecting rod.
2. looper linkage according to claim 1 is characterized in that, also comprises jump ring, and described jump ring is installed in the draw-in groove on the installation portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201457177U CN202072906U (en) | 2011-05-10 | 2011-05-10 | Curved needle connecting rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201457177U CN202072906U (en) | 2011-05-10 | 2011-05-10 | Curved needle connecting rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202072906U true CN202072906U (en) | 2011-12-14 |
Family
ID=45111012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201457177U Expired - Fee Related CN202072906U (en) | 2011-05-10 | 2011-05-10 | Curved needle connecting rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202072906U (en) |
-
2011
- 2011-05-10 CN CN2011201457177U patent/CN202072906U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20160510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |