CN212128483U - Automatic oil return structure for sewing machine - Google Patents
Automatic oil return structure for sewing machine Download PDFInfo
- Publication number
- CN212128483U CN212128483U CN202020562226.1U CN202020562226U CN212128483U CN 212128483 U CN212128483 U CN 212128483U CN 202020562226 U CN202020562226 U CN 202020562226U CN 212128483 U CN212128483 U CN 212128483U
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- CN
- China
- Prior art keywords
- oil
- sewing machine
- vertical shaft
- return structure
- movable plunger
- 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
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 39
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 61
- 239000012530 fluid Substances 0.000 abstract description 16
- 239000010687 lubricating oil Substances 0.000 abstract description 7
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000009987 spinning Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 235000019994 cava Nutrition 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model relates to an automatic oil return structure for sewing machine, which relates to a sewing machine, belonging to the technical field of sewing equipment, comprising a vertical shaft linked with a main shaft on a casing, wherein the vertical shaft is sleeved with a shaft sleeve fixedly connected with the casing, the shaft sleeve is respectively provided with an oil inlet end, an oil outlet and a negative pressure hole, the vertical shaft is provided with an eccentric arc groove, the oil inlet end, the oil outlet and the negative pressure hole are arranged corresponding to the eccentric arc groove, a movable plunger is arranged in the negative pressure hole, the movable plunger is provided with an elastic jacking device, the elastic jacking device constantly jacks the movable plunger on the vertical shaft, when the vertical shaft rotates, the movable plunger contacts with the eccentric arc groove and rotates around the vertical shaft and contacts with the vertical shaft, the utility model aims at providing a structure which is simple and can convey lubricating oil in a spinning fluid shuttle recovery area to an oil pan, and an automatic oil return structure for a sewing machine without manual filtration.
Description
Technical Field
The utility model belongs to the technical field of sewing machine, a sewing machine is related to, refer in particular to an automatic oil return structure for sewing machine.
Background
With the rapid development of the society, the sewing machine is also continuously updated, wherein when one sewing machine with a rotating shuttle works, the rotating shuttle moves at a high speed, and the friction among all parts in the rotating shuttle mechanism is larger. Generally, a lubricating pipeline for continuously supplying lubricating oil is arranged at the rotating shuttle mechanism, a rotating shuttle oil recovery area is also arranged at the lower part of the rotating shuttle in the sewing machine, and the lubricating oil at the rotating shuttle can drop into the rotating shuttle oil recovery area. Meanwhile, in order to enable the rotating shuttle to be capable of threading conveniently, a threading notch is further arranged on the sewing machine and is close to the oil recovery area of the rotating shuttle. After sewing machine work a period, the lubricating oil in the shuttle fluid recovery district can be filled up and spills over for lubricating oil can spill over from threading breach position, and the lubricating oil that spills over can fall on operator's trouser legs or ground, causes extravagantly and brings inconvenience for the user, and still need add when the fluid in the food tray is not enough, just can fall back to the food tray again after the fluid in the shuttle fluid recovery district needs manual filtration in, troublesome poeration.
Disclosure of Invention
The utility model aims at providing a simple structure can carry food tray department with the lubricating oil in the rotating shuttle fluid recovery area to need not to carry out the automatic oil return structure that is used for sewing machine of manual filtration.
The purpose of the utility model is realized like this:
the utility model provides an automatic oil return structure for sewing machine, includes the vertical axis with the main shaft linkage on the casing, the epaxial cover of vertical axis is equipped with the axle sleeve with casing fixed connection, be provided with oil inlet end, oil outlet and negative pressure port on the axle sleeve respectively, be provided with eccentric circular arc groove on the vertical axis, oil inlet end, oil outlet and negative pressure port are corresponding eccentric circular arc groove setting, be provided with movable plunger in the negative pressure port, be provided with elasticity roof pressure device on the movable plunger, elasticity roof pressure device pushes up movable plunger constantly on the vertical axis, when the vertical axis rotates, movable plunger and eccentric circular arc groove contact to centering on the vertical axis and rotating and contact with it.
In the above automatic oil return structure for a sewing machine, the elastic pressing device includes a pressing plate and an elastic member, one end of the elastic member is connected with the pressing plate, and the other end of the elastic member is connected with the movable plunger.
In the above automatic oil return structure for a sewing machine, the pressing plate is detachably fixed on the machine shell through a bolt or a screw.
In the above automatic oil return structure for a sewing machine, the elastic member is a spring.
In the automatic oil return structure for the sewing machine, the movable plunger is provided with an accommodating groove I for inserting the elastic piece.
In foretell an automatic oil return structure for sewing machine, the lower extreme of clamp plate upwards caves in and forms the holding tank II that is convenient for the elastic component location.
In the above automatic oil return structure for a sewing machine, the oil inlet end is provided with an oil pipe, one end of the oil pipe is communicated with the oil inlet end, and the other end of the oil pipe is communicated with the rotating shuttle oil recovery area.
In the automatic oil return structure for the sewing machine, a filter cover is arranged at one end, located in the rotating shuttle oil recovery area, of the oil pipe.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
the utility model discloses an axle sleeve, vertical axis, be provided with eccentric circular arc groove, activity plunger and elasticity roof pressure device group and become simple oil suction pump on vertical axis, the oil feed end on the axle sleeve passes through oil pipe and is connected with rotating shuttle fluid recovery area to be provided with a filter mantle on oil pipe, in the oil suction pump during operation, the fluid of transfer can directly get back to the food tray, need not to pour the food tray into again after the fluid in the rotating shuttle fluid recovery area filters through the staff.
Drawings
Fig. 1 is a schematic structural view of the sewing machine of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is one of the explosion diagrams of the present invention.
Fig. 4 is a second explosion diagram of the present invention.
Fig. 5 is a cross-sectional view of the vertical shaft and shaft sleeve of the present invention.
Fig. 6 is a schematic view of the structure of the pressing plate of the present invention.
The reference numerals in the figures denote the meanings:
1-vertical axis; 2-shaft sleeve; 21-oil inlet end; 22-oil outlet holes; 23-negative pressure holes; 24-eccentric arc groove;
25-a movable plunger; 26-an elastic jacking device; 251-accommodating groove I; 252-holding tank II;
261-a platen; 262-an elastic member; 263-filter mantle.
Detailed Description
The invention will be further described with reference to specific embodiments below:
as shown in fig. 1-6: an automatic oil return structure for a sewing machine comprises a vertical shaft 1 linked with a main shaft on a machine shell, wherein a shaft sleeve 2 fixedly connected with the machine shell is sleeved on the vertical shaft 1, an oil inlet end 21, an oil outlet hole 22 and a negative pressure hole 23 are respectively arranged on the shaft sleeve 2, an eccentric arc groove 24 is arranged on the vertical shaft 1, the oil inlet end 21, the oil outlet hole 22 and the negative pressure hole 23 are arranged corresponding to the eccentric arc groove 24, a movable plunger 25 is arranged in the negative pressure hole 23, an elastic jacking device 26 is arranged on the movable plunger 25, the movable plunger 25 is jacked on the vertical shaft 1 by the elastic jacking device 26 at any moment, when the vertical shaft 1 rotates, the movable plunger 25 is in contact with the eccentric arc groove 24 and rotates around and contacts with the vertical shaft 1, specifically, the movable plunger is jacked on the vertical shaft by the elastic jacking device, and after the vertical shaft rotates, the movable plunger can form negative pressure inside through the eccentric arc groove, after negative pressure is formed, the oil inlet end can suck oil, and when the eccentric arc groove passes through the oil outlet, the oil can be discharged from the oil outlet.
In the above-mentioned automatic oil return structure for sewing machine, the elastic jacking device 26 includes the pressing plate 261 and the elastic member 262, one end of the elastic member 262 is connected with the pressing plate 261, and the other end thereof is connected with the movable plunger 25, and the pressing plate and the elastic member are for letting the movable plunger can stably jack up in the negative pressure hole, and guarantee that the movable plunger can constantly contact with the vertical axis.
In foretell an automatic oil return structure for sewing machine, clamp plate 261 can dismantle through bolt or screw and fix on the casing, when the elastic component damaged or became invalid, can be quick change the elastic component, the utility model discloses the preferred bolted connection that adopts.
In the above-mentioned automatic oil return structure for a sewing machine, the elastic member 262 is a spring, so as to facilitate the connection between the spring and the movable plunger.
In the above automatic oil return structure for a sewing machine, the movable plunger 25 is provided with the accommodating groove i 251 into which the elastic member 262 is inserted, so as to further improve the connection stability of the movable plunger and the elastic member, and to ensure the matching precision between the movable plunger and the negative pressure hole.
In the above automatic oil return structure for the sewing machine, the lower end surface of the pressing plate 261 is recessed upwards to form a receiving groove ii 252 for positioning the elastic member 262, so as to ensure the centering of the spring and further ensure the matching precision between the movable plunger and the negative pressure hole.
In foretell an automatic oil return structure for sewing machine, oil feed end 21 is provided with oil pipe, and this oil pipe's one end and oil feed end 21 intercommunication, its other end and rotating shuttle fluid recovery district intercommunication, the one end that oil pipe is located rotating shuttle fluid recovery district is provided with filter mantle 263, can transfer the fluid of gathering in the rotating shuttle fluid recovery district to the food tray the inside like this, just so need not to filter the fluid in the rotating shuttle fluid recovery district through the staff and pour the food tray into again, reduced staff's work load.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an automatic oil return structure for sewing machine which characterized in that: the oil-gas separation vertical shaft comprises a vertical shaft (1) linked with a main shaft on a casing, wherein a shaft sleeve (2) fixedly connected with the casing is sleeved on the vertical shaft (1), an oil inlet end (21), an oil outlet hole (22) and a negative pressure hole (23) are respectively arranged on the shaft sleeve (2), an eccentric arc groove (24) is formed in the vertical shaft (1), the oil inlet end (21), the oil outlet hole (22) and the negative pressure hole (23) are arranged corresponding to the eccentric arc groove (24), a movable plunger (25) is arranged in the negative pressure hole (23), an elastic jacking device (26) is arranged on the movable plunger (25), the movable plunger (25) is jacked on the vertical shaft (1) by the elastic jacking device (26) constantly, and when the vertical shaft (1) rotates, the movable plunger (25) is in contact with the eccentric arc groove (24) and rotates around the vertical shaft (1) and is in contact with the vertical shaft.
2. The automatic oil return structure for a sewing machine according to claim 1, characterized in that: the elastic pressing device (26) comprises a pressing plate (261) and an elastic piece (262), one end of the elastic piece (262) is connected with the pressing plate (261), and the other end of the elastic piece (262) is connected with the movable plunger (25).
3. The automatic oil return structure for a sewing machine according to claim 2, characterized in that: the pressure plate (261) is detachably fixed on the machine shell through bolts or screws.
4. The automatic oil return structure for a sewing machine according to claim 2 or 3, characterized in that: the elastic member (262) is a spring.
5. The automatic oil return structure for a sewing machine according to claim 4, characterized in that: the movable plunger (25) is provided with a containing groove I (251) for inserting the elastic piece (262).
6. The automatic oil return structure for a sewing machine according to claim 4, characterized in that: the lower end surface of the pressure plate (261) is upwards sunken to form a containing groove II (252) convenient for the elastic piece (262) to be positioned.
7. The automatic oil return structure for a sewing machine according to claim 1, characterized in that: the oil inlet end (21) is provided with an oil pipe, one end of the oil pipe is communicated with the oil inlet end (21), and the other end of the oil pipe is communicated with the rotating shuttle oil recovery area.
8. The automatic oil return structure for a sewing machine according to claim 7, characterized in that: and a filter cover (263) is arranged at one end of the oil pipe, which is positioned in the oil recovery area of the rotating shuttle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020562226.1U CN212128483U (en) | 2020-04-16 | 2020-04-16 | Automatic oil return structure for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020562226.1U CN212128483U (en) | 2020-04-16 | 2020-04-16 | Automatic oil return structure for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212128483U true CN212128483U (en) | 2020-12-11 |
Family
ID=73689471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020562226.1U Expired - Fee Related CN212128483U (en) | 2020-04-16 | 2020-04-16 | Automatic oil return structure for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212128483U (en) |
-
2020
- 2020-04-16 CN CN202020562226.1U patent/CN212128483U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201211 |