CN204959281U - Lubricating structure of upper shaft eccentric wheel subassembly - Google Patents
Lubricating structure of upper shaft eccentric wheel subassembly Download PDFInfo
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- CN204959281U CN204959281U CN201520431674.7U CN201520431674U CN204959281U CN 204959281 U CN204959281 U CN 204959281U CN 201520431674 U CN201520431674 U CN 201520431674U CN 204959281 U CN204959281 U CN 204959281U
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- eccentric shaft
- upper eccentric
- oil
- shaft wheel
- hole
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Abstract
The utility model belongs to the technical field of the sewing machine accessory, refer in particular to a lubricating structure of upper shaft eccentric wheel subassembly, including the upper shaft, it has the upper shaft eccentric wheel to go up epaxial suit, and upper shaft eccentric wheel overcoat is equipped with the crank connecting rod, is provided with antifriction bearing between upper shaft eccentric wheel and the crank connecting rod, upper shaft and upper shaft eccentric wheel on or be provided with on the crank connecting rod for lubricating arrangement lubricated between antifriction bearing and the upper shaft eccentric wheel, the utility model discloses a lubricating with antifriction bearing the upper shaft eccentric wheel through setting up lubricating arrangement, lubricating the kingpin on the antifriction bearing, upper shaft eccentric wheel effectively, kingpin, the upper shaft eccentric wheel of solving antifriction bearing produce wearing and tearing and over heating issue after operation a period, and extension part life reduces product cost, can also reduce operation in -process noise and vibrations.
Description
Technical field
The utility model belongs to Sewing machines accessory technical field, refers in particular to a kind of lubrication system of upper eccentric shaft wheel assembly.
Background technology
At present, eccentric wheel 2 in upper axle 1 eccentric wheel assembly (as shown in Figure 1) in used butt wheel chain sewing machine is set with connecting rod 3, rolling bearing 4 is provided with between eccentric wheel 2 and connecting rod 3, rolling bearing 4 and eccentric wheel 2 serious wear and overheated problem can be caused after rolling bearing 4 long-play in race machine process, the service life of parts is shorter, the cycle of part replacement is short, improve the use cost of product, in addition also there will be machine stuck, in running noise very large, shake the problems such as violent, be inconvenient to use.
Summary of the invention
The purpose of this utility model is to provide one and conveniently adds lubricating oil, the lubrication system of the upper eccentric shaft wheel assembly in the service life of elongated component.
The purpose of this utility model is achieved in that
A kind of lubrication system of upper eccentric shaft wheel assembly, comprise axle, upper axle is set with eccentric shaft wheel, upper eccentric shaft wheel is outer is set with crank connecting link, rolling bearing is provided with, the lubricating arrangement that described upper axle and upper eccentric shaft lubricate between taking turns or crank connecting link is provided with and taking turns to rolling bearing and upper eccentric shaft between upper eccentric shaft wheel and crank connecting link.
In technique scheme, describedly be arranged on lubricating arrangement that axle takes turns with upper eccentric shaft and include the oil pipe road be axially disposed within upper axle, the radial direction oil hole be communicated with oil pipe road and radial direction and run through the radial direction oil that upper eccentric shaft takes turns a sidewall, the radial direction oil that oil pipe road on described upper axle, radial direction oil hole are taken turns with upper eccentric shaft is all communicated with, lubricating oil is pumped in the oil pipe road of upper axle by oil pump, flow through radial direction oil hole and radial direction oil take turns to rolling bearing and upper eccentric shaft between lubricate.
In technique scheme, the inner cylinder face of described upper eccentric shaft wheel is provided with annular oil groove, and the radial direction oil that annular oil groove is taken turns with upper eccentric shaft with the radial direction oil hole on upper axle is connected.
In technique scheme, describedly be arranged on lubricating arrangement on crank connecting link for arrange a boss on crank connecting link, boss is provided with tapped through hole, and tapped through hole is communicated with rolling bearing, described tapped through hole is connected to shutoff screw, in tapped through hole, is provided with lubricating grease.
In technique scheme, described in be arranged on lubricating arrangement on crank connecting link for be provided with boss on crank connecting link, boss is provided with through hole, is provided with oily cotton and oily line in through hole, the cotton contact with rolling bearing of oil connects, and the other end of oily line is connected with fuel tank.
In technique scheme, the madial wall on described through hole top is provided with annular groove, and groove is provided with jump ring, and oily cotton is blocked fixing by jump ring.
In technique scheme, one end of described upper eccentric shaft wheel is provided with rolling bearing and the spacing installing plate of crank connecting link.
In technique scheme, described installing plate is installed on upper eccentric shaft wheel by screw.
In technique scheme, described upper eccentric shaft wheel is installed on upper axle by screw.
The utility model gives prominence to compared to existing technology and useful technique effect is:
Of the present utility modelly by arranging lubricating arrangement, upper eccentric shaft wheel and rolling bearing to be lubricated, effectively the needle roller on rolling bearing, upper eccentric shaft wheel are lubricated, solve the needle roller of rolling bearing, upper eccentric shaft wheel produces wearing and tearing and problems of excessive heat after operation a period of time, extend part service life, reduce product cost, noise and vibrations in running can also be reduced, improve the quality of complete machine.
Accompanying drawing explanation
Fig. 1 is the structural representation of background technology.
Fig. 2 is detonation configuration schematic diagram of the present utility model.
Fig. 3 is the cross-sectional view of embodiment 1.
Fig. 4 is the cross-sectional view of embodiment 2.
Fig. 5 is the cross-sectional view of embodiment 3.
Fig. 6 is the partial enlargement structural representation of Fig. 5.
Fig. 7 is the perspective view of upper eccentric shaft wheel.
Fig. 8 is the cross-sectional view of Fig. 7.
Detailed description of the invention
The utility model is further described with specific embodiment below in conjunction with accompanying drawing:
Embodiment 1: see Fig. 2,3,7,8:
A kind of lubrication system of upper eccentric shaft wheel assembly, comprise axle 10, upper axle 10 is set with eccentric shaft wheel 11, crank connecting link 12 is set with outside upper eccentric shaft wheel 11, be provided with rolling bearing 13 between upper eccentric shaft wheel 11 and crank connecting link 12, be provided with rolling bearing 13 and the spacing installing plate 19 of crank connecting link 12 in one end of upper eccentric shaft wheel 11.Described upper axle 10 and upper eccentric shaft are taken turns to be provided with on 11 and are taken turns the lubricating arrangement lubricated between 11 to rolling bearing 13 and upper eccentric shaft.
This lubricating arrangement includes the oil pipe road 14 be axially disposed within upper axle 10, the radial direction oil hole 15 be communicated with oil pipe road 14 and radial direction and runs through the radial direction oil 16 that upper eccentric shaft takes turns 11 1 sidewalls, the radial direction oil 16 that oil pipe road 14 on described upper axle 10, radial direction oil hole 15 and upper eccentric shaft are taken turns on 11 is all communicated with, lubricating oil is pumped in the oil pipe road 14 of upper axle by oil pump 24, flow through radial direction oil hole 15 and radial direction oil 16 take turns 11 to rolling bearing 13 and upper eccentric shaft between lubricate.
The inner cylinder face of above-mentioned upper eccentric shaft wheel 11 is provided with annular oil groove 17, described radial direction oil 16 is connected with annular oil groove 17, the oil reserve of lubricating oil can be strengthened by arranging annular oil groove 17, extending the filling cycle to rolling bearing 13, upper eccentric shaft wheel 11.
Above-mentioned installing plate 19 is fixed on upper eccentric shaft wheel 11 by screw 21.
Above-mentioned upper eccentric shaft wheel 11 is fixed on upper axle 10 by screw 23.
Principle of the present utility model is:
Force fuel feeding to the oil pipe road 14 of upper axle 10 by oil pump 24, when upper axle 10 is under high speed rotating, lubricating oil flow into the needle roller of rolling bearing 13 by centrifugal force by upper axle oil pipe road 14, radial direction oil hole 15, the upper eccentric shaft radial direction oil 16 of taking turns on 11 and upper eccentric shaft take turns between 11, thus play lubrication and the cooling effect of the needle roller on rolling bearing 13, upper eccentric shaft being taken turns to 11.
Embodiment 2: see Fig. 4:
The structure of the present embodiment is substantially the same manner as Example 1, and its difference part is:
Lubricating arrangement is arranged on crank connecting link 12, concrete structure is: on crank connecting link 12, arrange a boss 25, boss 25 is provided with tapped through hole, tapped through hole is communicated with rolling bearing 13, described tapped through hole is bolted with shutoff screw 27, in tapped through hole, is provided with lubricating grease 26.
The principle of the present embodiment is:
Turn on screw 27, add lubricating grease 26 in tapped through hole after, to screw on screw 27, when rolling bearing 13, upper eccentric shaft take turns 12 lack of lubrication, by screw 27 down twisting pressure grease 26, the needle roller 13 making lubricating grease 26 flow to rolling bearing is taken turns on the external cylindrical surface of 12 with upper eccentric shaft, thus the lubrication played the needle roller on rolling bearing 13, upper eccentric shaft wheel 11 and cooling effect.
Embodiment 3: see Fig. 5,6:
The structure of the present embodiment is substantially the same manner as Example 1, and its difference part is:
Lubricating arrangement is arranged on crank connecting link 12, concrete structure is: on crank connecting link 12, be provided with boss 25, boss 25 is provided with through hole 28, is provided with oil cotton 29 and oily line 30 in through hole 28, oil cotton 29 contacts with rolling bearing 13 and connects, and the other end of oily line 30 is connected with fuel tank 31.
The madial wall on above-mentioned through hole 28 top is provided with annular groove 32, and groove 32 is provided with jump ring 33, and oil cotton 29 blocks fixing by jump ring 33.
The principle of the present embodiment is:
One end of oil line 30 is dipped into and fills in the fuel tank 31 of lubricating oil, rely on the feature of the dependency of oil, lubricating oil is made to be attached on oily line 30, flow on oil cotton 29 by oily line 30, lubricating oil on oil cotton 29 flows to the needle roller of rolling bearing 13 and upper eccentric shaft take turns between 11, thus plays lubrication and the cooling effect of the needle roller on rolling bearing 13, upper eccentric shaft being taken turns to 11.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (9)
1. the lubrication system of a upper eccentric shaft wheel assembly, comprise axle, upper axle is set with eccentric shaft wheel, upper eccentric shaft wheel is outer is set with crank connecting link, be provided with rolling bearing between upper eccentric shaft wheel and crank connecting link, it is characterized in that: the lubricating arrangement that described upper axle and upper eccentric shaft lubricate between taking turns or crank connecting link is provided with and taking turns to rolling bearing and upper eccentric shaft.
2. the lubrication system of a kind of upper eccentric shaft wheel assembly according to claim 1, it is characterized in that: described in be arranged on lubricating arrangement that axle takes turns with upper eccentric shaft and include the oil pipe road be axially disposed within upper axle, the radial direction oil hole be communicated with oil pipe road and radial direction and run through the radial direction oil that upper eccentric shaft takes turns a sidewall, the radial direction oil that oil pipe road on described upper axle, radial direction oil hole are taken turns with upper eccentric shaft is all communicated with, lubricating oil is pumped in the oil pipe road of upper axle by oil pump, flow through radial direction oil hole and radial direction oil take turns to rolling bearing and upper eccentric shaft between lubricate.
3. the lubrication system of a kind of upper eccentric shaft wheel assembly according to claim 2, it is characterized in that: the inner cylinder face of described upper eccentric shaft wheel is provided with annular oil groove, and the radial direction oil that annular oil groove is taken turns with upper eccentric shaft with the radial direction oil hole on upper axle is connected.
4. the lubrication system of a kind of upper eccentric shaft wheel assembly according to claim 1, it is characterized in that: described in be arranged on lubricating arrangement on crank connecting link for arrange a boss on crank connecting link, boss is provided with tapped through hole, tapped through hole is communicated with rolling bearing, described tapped through hole is connected with shutoff screw, in tapped through hole, is provided with lubricating grease.
5. the lubrication system of a kind of upper eccentric shaft wheel assembly according to claim 1, it is characterized in that: described in be arranged on lubricating arrangement on crank connecting link for be provided with boss on crank connecting link, boss is provided with through hole, oily cotton and oily line is provided with in through hole, the cotton contact with rolling bearing of oil connects, and the other end of oily line is connected with fuel tank.
6. the lubrication system of a kind of upper eccentric shaft wheel assembly according to claim 5, is characterized in that: the madial wall on described through hole top is provided with annular groove, and groove is provided with jump ring, and oily cotton is blocked fixing by jump ring.
7. the lubrication system of a kind of upper eccentric shaft wheel assembly according to any one of claim 1-6, is characterized in that: one end of described upper eccentric shaft wheel is provided with rolling bearing and the spacing installing plate of crank connecting link.
8. the lubrication system of a kind of upper eccentric shaft wheel assembly according to claim 7, is characterized in that: described installing plate is installed on upper eccentric shaft wheel by screw.
9. the lubrication system of a kind of upper eccentric shaft wheel assembly according to claim 7, is characterized in that: described upper eccentric shaft wheel is installed on upper axle by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431674.7U CN204959281U (en) | 2015-06-19 | 2015-06-19 | Lubricating structure of upper shaft eccentric wheel subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520431674.7U CN204959281U (en) | 2015-06-19 | 2015-06-19 | Lubricating structure of upper shaft eccentric wheel subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204959281U true CN204959281U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520431674.7U Active CN204959281U (en) | 2015-06-19 | 2015-06-19 | Lubricating structure of upper shaft eccentric wheel subassembly |
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| CN (1) | CN204959281U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106757825A (en) * | 2017-01-19 | 2017-05-31 | 台州市飞龙机械有限公司 | A kind of needle gage adjuster |
| CN106757854A (en) * | 2017-03-15 | 2017-05-31 | 杰克缝纫机股份有限公司 | Sewing machine |
-
2015
- 2015-06-19 CN CN201520431674.7U patent/CN204959281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106757825A (en) * | 2017-01-19 | 2017-05-31 | 台州市飞龙机械有限公司 | A kind of needle gage adjuster |
| CN106757854A (en) * | 2017-03-15 | 2017-05-31 | 杰克缝纫机股份有限公司 | Sewing machine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |