CN105200681A - Presser foot lift shaft oil storage lubrication structure - Google Patents
Presser foot lift shaft oil storage lubrication structure Download PDFInfo
- Publication number
- CN105200681A CN105200681A CN201510697815.4A CN201510697815A CN105200681A CN 105200681 A CN105200681 A CN 105200681A CN 201510697815 A CN201510697815 A CN 201510697815A CN 105200681 A CN105200681 A CN 105200681A
- Authority
- CN
- China
- Prior art keywords
- oil storage
- lift shaft
- sleeve
- oil
- peripheral surface
- 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.)
- Granted
Links
Landscapes
- General Details Of Gearings (AREA)
Abstract
The invention provides a presser foot lift shaft oil storage lubrication structure. The presser foot lift shaft oil storage lubrication structure comprises a lift shaft, wherein a front shaft sleeve, an intermediate pass sleeve and a rear shaft sleeve sequentially sleeve the lift shaft in the axial direction; the outer peripheral surfaces of the front shaft sleeve, the intermediate pass sleeve and the rear shaft sleeve are in interference fit with the inner peripheral surface of a mixed housing; the inner peripheral surfaces of the front shaft sleeve and the rear shaft sleeve are matched with the outer peripheral surface of the lift shaft; an oil storage space is formed between the inner peripheral surface of the intermediate pass sleeve and the outer peripheral surface of the lift shaft and communicated with an outer space through an oil passing hole which penetrates the intermediate pass sleeve and the fixed housing. According to the presser foot lift shaft oil storage lubrication structure, the oil storage space is filled with solid grease, so that the grease can lubricate the lift shaft for a long time, accordingly, the oil adding frequency is reduced, abrasion between the lift shaft and the shaft sleeves is relieved, and noise is lowered; meanwhile, grease cannot permeate to the outside, so that the problem that the grease carries out scrap iron to corrode a machine head is solved.
Description
Technical field
The present invention relates to a kind of pressure foot lifting axle oil storage lubrication system.
Background technology
Pressure foot lifting axle, the parts depreciation caused because lacking lubrication, noise, the wearing and tearing caused because of oily, iron filings corrosion head etc. are all that synchronizing trolley has problem to be solved all the time.
For this problem, different companies is proposed different solutions.Wherein my company adopts the form of steel bushing tank filler sleeve to reduce wearing and tearing, and most of company adopts the form head it off of copper sheathing tank filler sleeve.But these measures all fail effectively to solve Problems Existing.A synchronous thick material machine that American aircraft company releases, what adopt is pressure foot lifting axle integral type type, two of casing fixed hubs are coupled together, then axis hole mid portion is carried out reaming, lubricate in order to oil storage, this scheme section solves existing issue, but still can not tackle the problem at its root, and during casting casing, die sinking is also more complicated simultaneously.So on above basis, improvement need be worked it out, and then solve the problem of the oil storage lubrication that pressure foot lifting axle exists.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of pressure foot lifting axle oil storage lubrication system, for solving the oil storage of pressure foot lifting axle in prior art and lacking the problem of lubrication.
For achieving the above object and other relevant objects, the invention provides a kind of pressure foot lifting axle oil storage lubrication system, it comprises lift shaft, in lift shaft, cover has front shaft sleeve, middle cover and rear axle housing excessively successively vertically, front shaft sleeve, middle cover excessively and the outer peripheral face of rear axle housing and the inner peripheral surface interference fit of fixed housing, the inner peripheral surface of front shaft sleeve, rear axle housing coordinates with the outer peripheral face of lift shaft, middle mistake between the inner peripheral surface of cover and the outer peripheral face of lift shaft forms oil storage space, and oil storage space crosses cover by running through middle, the oil-through hole of fixed housing is communicated with space outerpace.
Preferably, oil storage space is also communicated with space outerpace by return gas channel.
Preferably, the middle part of the inner peripheral surface of front shaft sleeve is provided with front oil storage grooves circumferentially, and oil storage portion before being formed between front oil storage grooves and the outer peripheral face of lift shaft, front oil storage portion is communicated with by front oil groove with between oil storage space.
Further preferably, front oil groove is positioned on the inner peripheral surface of front shaft sleeve.
Further preferably, front oil storage portion is communicated with space outerpace by return-air hole before running through front shaft sleeve, fixed housing.
Preferably, the middle part of the inner peripheral surface of rear axle housing is provided with rear oil storage grooves circumferentially, and oil storage portion after being formed between rear oil storage grooves and the outer peripheral face of lift shaft, rear oil storage portion is communicated with by rear oil groove with between oil storage space.
Further preferably, rear oil groove is positioned on the inner peripheral surface of rear axle housing.
Further preferably, rear oil storage portion by running through rear axle housing, the rear return-air hole of fixed housing is communicated with space outerpace.
Preferably, the port that oil-through hole is communicated with space outerpace is provided with rubber stopper.
Further preferably, the centre of rubber stopper is provided with the through hole being communicated with oil storage space and space outerpace.
As mentioned above, pressure foot lifting axle oil storage lubrication system of the present invention, has following beneficial effect:
This pressure foot lifting axle oil storage lubrication system, by filling solid grease in oil storage space, make grease can lubricate lift shaft for a long time, decrease the number of times of oiling, the wearing and tearing between lift shaft and axle sleeve alleviate, and noise reduces; Meanwhile, grease can not penetrate into outside, and then solves the problem that iron filings are taken out of corrosion head by lubricating oil.
Accompanying drawing explanation
Fig. 1 is shown as the structural representation of pressure foot lifting axle oil storage lubrication system of the present invention.
Fig. 2 is shown as the structural blast figure of the pressure foot lifting axle oil storage lubrication system shown in Fig. 1.
Fig. 3 is shown as the sectional view of the pressure foot lifting axle oil storage lubrication system shown in Fig. 1.
Fig. 4 is shown as the structural representation of the front shaft sleeve of the pressure foot lifting axle oil storage lubrication system shown in Fig. 3.
Fig. 5 is shown as the structural representation of the rear axle housing of the pressure foot lifting axle oil storage lubrication system shown in Fig. 3.
Element numbers explanation
1 lift shaft
2 front shaft sleeves
Cover is crossed in the middle of 3
4 rear axle housings
5 fixed housings
6 oil storage space
7 oil-through holes
Oil storage grooves before 8
Oil storage portion before 9
Oil groove before 10
Return-air hole before 11
Oil storage grooves after 12
Oil storage portion after 13
Oil groove after 14
Return-air hole after 15
16 rubber stoppers
17 through holes
18 casings
Crank before 19
20 rear cranks
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this description can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 5.Notice, structure, ratio, size etc. that this description institute accompanying drawings illustrates, content all only in order to coordinate description to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, all should still drop in scope that disclosed technology contents can contain.Simultaneously, quote in this description as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figures 1 to 5, the invention provides a kind of pressure foot lifting axle oil storage lubrication system, it comprises lift shaft 1, in lift shaft 1, cover has front shaft sleeve 2, middle cover 3 and rear axle housing 4 excessively successively vertically, front shaft sleeve 2, middle cover 3 excessively and the outer peripheral face of rear axle housing 4 and the inner peripheral surface interference fit of fixed housing 5, the inner peripheral surface of front shaft sleeve 2, rear axle housing 4 coordinates with the outer peripheral face of lift shaft 1, middle mistake between the inner peripheral surface of cover 3 and the outer peripheral face of lift shaft 1 forms oil storage space 6, and oil storage space 6 crosses cover 3 by running through middle, the oil-through hole 7 of fixed housing 5 is communicated with space outerpace.
Wherein, cover 3 is crossed in lift shaft 1 and front shaft sleeve 2, centre, rear axle housing 4 is coaxially arranged, lift shaft 1, when being rotated about axis, front shaft sleeve 2, middle crosses cover 3 and rear axle housing 4 maintains static, and therefore the inner peripheral surface of the outer peripheral face of lift shaft 1 and front shaft sleeve 2, rear axle housing 4 can produce friction.Solid grease is joined oil storage space 6 from oil-through hole 7, grease directly acts on the outer peripheral face of lift shaft 1, and outside can not be infiltrated into along the gap between lift shaft 1 and front shaft sleeve 2, rear axle housing 4, thus also solve lubricating oil the iron filings that wearing and tearing produce are taken out of and the problem of corrosion head.
The middle part of the inner peripheral surface of front shaft sleeve 2 is provided with front oil storage grooves 8 circumferentially, oil storage portion 9 before being formed between front oil storage grooves 8 and the outer peripheral face of lift shaft 1, and front oil storage portion 9 is communicated with by front oil groove 10 with between oil storage space 6; Grease in oil storage space 6 flow in front oil storage portion 9 by front oil groove 10, lubricates the contact surface between front shaft sleeve 2, lift shaft 1; Front oil groove 10 is positioned on the inner peripheral surface of front shaft sleeve 2, and can be designed to the shape of half 8-shaped oil groove, as shown in Figure 4.
The middle part of the inner peripheral surface of rear axle housing 4 is provided with rear oil storage grooves 12 circumferentially, oil storage portion 13 after being formed between rear oil storage grooves 12 and the outer peripheral face of lift shaft 1, and rear oil storage portion 13 is communicated with by rear oil groove 14 with between oil storage space 6; Grease in oil storage space 6 flow in rear oil storage portion 13 by rear oil groove 14, lubricates the contact surface between rear axle housing 4, lift shaft 1; Rear oil groove 14 is positioned on the inner peripheral surface of rear axle housing 4, and can be designed to the shape of half 8-shaped oil groove, as shown in Figure 5.
Oil storage space 6 is also communicated with space outerpace by return gas channel.The return gas channel of corresponding front shaft sleeve 2 by oil groove 10 before being communicated with successively, front oil storage portion 9 and before running through front shaft sleeve 2, fixed housing 5 return-air hole 11 form, front oil groove 10 is also communicated with oil storage space 6, and front return-air hole 11 is also communicated with space outerpace; The return gas channel of corresponding rear axle housing 4 is by the rear oil groove 14 be communicated with successively, rear oil storage portion 13 and run through rear axle housing 4, the rear return-air hole 15 of fixed housing 5 forms, and rear oil groove 14 is also communicated with oil storage space 6, and rear return-air hole 15 is also communicated with space outerpace.The setting of return gas channel, be in order in the process injecting solid grease to oil storage space 6, the air in oil storage space 6 is discharged smoothly by return gas channel.
As shown in Figure 3, the port that oil-through hole 7 is communicated with space outerpace is provided with rubber stopper 16, ensures that the grease of oil storage space 6 inside can not drain to outside.The centre of rubber stopper 16 is provided with and is communicated with oil storage space 6 and the through hole 17 of space outerpace, under the oil tight prerequisite of guarantee, makes can pass into air in oil storage space 6, and then grease can successfully be penetrated between lift shaft 1 and front shaft sleeve 2, rear axle housing 4.
As shown in Figure 1 to Figure 2, fixed housing 5 is fixed on casing 18, and after lift shaft 1 installs, respectively lift shaft 1 two ends load onto follow lift shaft 1 synchronous axial system before crank 19 and rear crank 20, front crank 19, rear crank 20 are connected with other attaching parts again.
The present invention compared with prior art, efficiently solves the relevant issues such as pressure foot lifting axle noise, wearing and tearing, corrosion.
The structural design of existing type relevant position is set to a tank filler sleeve usually, but further investigation reveals that, this structure needs frequent oiling, if factory seldom refuels, will cause the wearing and tearing between lift shaft and axle sleeve, and also increase set noise.For this problem, the present invention adopts and uses the mode of oil storage space 6 oil storage to solve, and after once refueling, grease can be stored in oil storage space 6, and can lubricate lift shaft 1 and front shaft sleeve 2, rear axle housing 4 for a long time, decreases the number of times of oiling.
In another prior art, namely enablely to refuel in time, but after refueling, effect is also undesirable, parts can wear and tear equally, and oil can by flowing out between lift shaft and axle sleeve, corrosion head after the iron filings that produce of simultaneously wearing and tearing can flow out with grease.For this problem, the measure that the present invention takes is for be replaced by solid grease by liquid oil, and grease directly lubricates the outer peripheral face of lift shaft, but can not penetrate into outside, and then can solve the problem that iron filings are taken out of corrosion head by lubricating oil.And when having oil lubrication between lift shaft and axle sleeve, the wearing and tearing between lift shaft with axle sleeve also can alleviate relatively, and noise also can reduce always.
Oil storage lubrication system of the present invention is easy for installation, and the middle axial dimension crossing cover 3 is less than the axial dimension of fixed housing 5, can directly put into and adjust position, make front shaft sleeve 2, the relative position of rear axle housing 4 is also adjusted.And the design of 8-shaped oil groove, grease is enable more easily to flow in front oil storage portion 9, rear oil storage portion 13, grease is made to enter between lift shaft 1 and front shaft sleeve 2, rear axle housing 4 more quickly, abration position is lubricated, this structural design simultaneously, for casing die without the need to large variation, change simple, without the need to increasing new type.
To sum up, pressure foot lifting axle oil storage lubrication system of the present invention, by filling solid grease in oil storage space, make grease can lubricate lift shaft for a long time, decrease the number of times of oiling, the wearing and tearing between lift shaft and axle sleeve alleviate, and noise reduces; Meanwhile, grease can not penetrate into outside, and then solves the problem that iron filings are taken out of corrosion head by lubricating oil.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. a pressure foot lifting axle oil storage lubrication system, it is characterized in that: it comprises lift shaft (1), in described lift shaft (1), cover has front shaft sleeve (2) successively vertically, middle mistake overlaps (3) and rear axle housing (4), described front shaft sleeve (2), middle cross cover (3) and the outer peripheral face of rear axle housing (4) and the inner peripheral surface interference fit of fixed housing (5), described front shaft sleeve (2), the inner peripheral surface of rear axle housing (4) coordinates with the outer peripheral face of described lift shaft (1), cross in the middle of described between the inner peripheral surface of cover (3) and the outer peripheral face of described lift shaft (1) and form oil storage space (6), described oil storage space (6) overlaps (3) by running through described middle mistake, the oil-through hole (7) of fixed housing (5) is communicated with space outerpace.
2. pressure foot lifting axle oil storage lubrication system according to claim 1, is characterized in that: described oil storage space (6) is also communicated with space outerpace by return gas channel.
3. pressure foot lifting axle oil storage lubrication system according to claim 1, it is characterized in that: the middle part of the inner peripheral surface of described front shaft sleeve (2) is provided with front oil storage grooves (8) circumferentially, oil storage portion (9) before being formed between the outer peripheral face of described front oil storage grooves (8) and described lift shaft (1), described front oil storage portion (9) is communicated with by front oil groove (10) with between oil storage space (6).
4. pressure foot lifting axle oil storage lubrication system according to claim 3, is characterized in that: described front oil groove (10) is positioned on the inner peripheral surface of described front shaft sleeve (2).
5. pressure foot lifting axle oil storage lubrication system according to claim 3, is characterized in that: described front oil storage portion (9) by running through described front shaft sleeve (2), the front return-air hole (11) of fixed housing (5) is communicated with space outerpace.
6. pressure foot lifting axle oil storage lubrication system according to claim 1, it is characterized in that: the middle part of the inner peripheral surface of described rear axle housing (4) is provided with rear oil storage grooves (12) circumferentially, oil storage portion (13) after being formed between the outer peripheral face of described rear oil storage grooves (12) and described lift shaft (1), described rear oil storage portion (13) is communicated with by rear oil groove (14) with between described oil storage space (6).
7. pressure foot lifting axle oil storage lubrication system according to claim 6, is characterized in that: described rear oil groove (14) is positioned on the inner peripheral surface of described rear axle housing (4).
8. pressure foot lifting axle oil storage lubrication system according to claim 6, is characterized in that: described rear oil storage portion (13) by running through described rear axle housing (4), the rear return-air hole (15) of fixed housing (5) is communicated with space outerpace.
9. pressure foot lifting axle oil storage lubrication system according to claim 1, is characterized in that: the port that described oil-through hole (7) is communicated with space outerpace is provided with rubber stopper (16).
10. pressure foot lifting axle oil storage lubrication system according to claim 9, is characterized in that: the centre of described rubber stopper (16) is provided with the through hole (17) being communicated with described oil storage space (6) and space outerpace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510697815.4A CN105200681B (en) | 2015-10-23 | 2015-10-23 | Pressure foot lifting axis oil storage lubrication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510697815.4A CN105200681B (en) | 2015-10-23 | 2015-10-23 | Pressure foot lifting axis oil storage lubrication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105200681A true CN105200681A (en) | 2015-12-30 |
| CN105200681B CN105200681B (en) | 2018-09-25 |
Family
ID=54948625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510697815.4A Active CN105200681B (en) | 2015-10-23 | 2015-10-23 | Pressure foot lifting axis oil storage lubrication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105200681B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337647A (en) * | 2011-09-30 | 2012-02-01 | 吴江丰榖布艺整理厂 | Lubricating device for needle bar of sewing machine |
| CN103184662A (en) * | 2013-03-20 | 2013-07-03 | 新杰克缝纫机股份有限公司 | Front shaft sleeve assembly of lower shaft |
| CN104313804A (en) * | 2014-11-17 | 2015-01-28 | 中山市旋霸缝纫设备有限公司 | Transmission mechanism, sewing machine and lubricating method of transmission mechanism |
| KR101527811B1 (en) * | 2014-07-29 | 2015-06-10 | 김광연 | The upper shaft bearing device of the sewing machine |
| CN205062421U (en) * | 2015-10-23 | 2016-03-02 | 拓卡奔马机电科技有限公司 | Presser foot lift shaft oil storage lubricating structure |
-
2015
- 2015-10-23 CN CN201510697815.4A patent/CN105200681B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337647A (en) * | 2011-09-30 | 2012-02-01 | 吴江丰榖布艺整理厂 | Lubricating device for needle bar of sewing machine |
| CN103184662A (en) * | 2013-03-20 | 2013-07-03 | 新杰克缝纫机股份有限公司 | Front shaft sleeve assembly of lower shaft |
| KR101527811B1 (en) * | 2014-07-29 | 2015-06-10 | 김광연 | The upper shaft bearing device of the sewing machine |
| CN104313804A (en) * | 2014-11-17 | 2015-01-28 | 中山市旋霸缝纫设备有限公司 | Transmission mechanism, sewing machine and lubricating method of transmission mechanism |
| CN205062421U (en) * | 2015-10-23 | 2016-03-02 | 拓卡奔马机电科技有限公司 | Presser foot lift shaft oil storage lubricating structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105200681B (en) | 2018-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203239762U (en) | Wear-resistant bearing bush | |
| CN205062421U (en) | Presser foot lift shaft oil storage lubricating structure | |
| CN103807299A (en) | Lubricating structure of thrust plate of engine crankshaft | |
| CN105200681A (en) | Presser foot lift shaft oil storage lubrication structure | |
| CN202768634U (en) | Solid lubrication shaft sleeve with oil lines | |
| CN206309510U (en) | A kind of plunger matching parts of anti-leak oil-stain-preventing and apply its injection pump | |
| CN203702872U (en) | Lubrication structure of thrust plate of engine crankshaft | |
| CN103697131B (en) | A kind of ball screw | |
| CN203230735U (en) | Shaft sleeve | |
| CN209083968U (en) | A kind of heavy truck and its gearbox and input shaft oil-guide device | |
| CN207246365U (en) | Integral type reducer shell | |
| CN204372501U (en) | Material taking machine claw steering base lubricating fitting | |
| CN205155109U (en) | -Lubricating bearing | |
| CN204356513U (en) | The lubricating oil sealing structure of pressure foot lifting axle | |
| CN203757336U (en) | In-position trolley device for transformer | |
| CN205292123U (en) | Wheel hub with lubricating arrangement | |
| CN204512192U (en) | A kind of Babbitt Sliding bush lubricating structure being applied to booster engine | |
| CN204061523U (en) | A kind of high-strength connecting rod lining for motor | |
| CN208185176U (en) | A kind of balance shaft of engine spacer pin | |
| CN203239765U (en) | Special copper sleeve for crusher | |
| CN104454624A (en) | Sand pump | |
| CN208749815U (en) | A kind of capacity eccentric bearing | |
| CN203756738U (en) | Self-lubricating slide block system | |
| CN202851910U (en) | Low output rotating speed reduction gearbox for pumping unit | |
| CN208024820U (en) | A kind of detachable gear wheel device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |