CN209128694U - A kind of spiral oil charging structure for rotating shuttle - Google Patents
A kind of spiral oil charging structure for rotating shuttle Download PDFInfo
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- CN209128694U CN209128694U CN201821804001.1U CN201821804001U CN209128694U CN 209128694 U CN209128694 U CN 209128694U CN 201821804001 U CN201821804001 U CN 201821804001U CN 209128694 U CN209128694 U CN 209128694U
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- oil
- spiral
- shuttle
- rotary
- shuttle shaft
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Abstract
The utility model discloses a kind of spiral oil charging structures for rotating shuttle, including rotation shuttle seat, rotary shuttle shaft and the rotating shuttle being mounted on rotary shuttle shaft, the axle sleeve being sheathed on outside rotary shuttle shaft is fixed in rotation shuttle seat, there is oil-gap between the inner wall of axle sleeve and the outer wall of rotary shuttle shaft, the oriented oil connection for crossing oil-gap oil transportation is installed on axle sleeve；Rotary shuttle shaft is formed with axial cavity in one end of installation rotating shuttle, and the inner end of axial cavity is connected to by radial fuel feed hole with mistake oil-gap, and the outer end of axial cavity is to rotating shuttle fuel feeding；The inner wall of axial cavity is formed with the first spiral oil transportation structure for conveying rotating shuttle oil outward from inner end.The utility model generates driving force to oil liquid by the spiral oil charging structure inside rotary shuttle shaft, and can automatically adjust delivery rate according to revolving speed.
Description
Technical field
The utility model relates to the rotating shuttle fuel feeding field of sewing machine, specifically a kind of spiral oil inlet knot for rotating shuttle
Structure.
Background technique
Patent name is a kind of rotating shuttle fueler, and the patent of invention of Patent No. 201310016710.9 discloses one kind
Realize that a kind of rotating shuttle fueler of auto-supply, including axle sleeve and rotary shuttle shaft, rotary shuttle shaft run through by rotary shuttle shaft high speed rotation
With axle sleeve and can high speed rotation, wherein the rotary shuttle shaft high speed rotation makes the pump oil mechanism pump oil on axle sleeve, then passes through axle sleeve
Rotating shuttle fuel feeding is given with the oil transportation mechanism on rotary shuttle shaft, the rotary shuttle shaft tail portion is equipped with bearing, and bearing two sides are provided with circlip,
Circlip fixed axis, which is held, prevents rotary shuttle shaft axial jump；Bearing outside diameter and sleeve diameter are interference fitted, outside bearing bore diameter and rotary shuttle shaft
Diameter interference fit, prevents rotary shuttle shaft circular runout.The patented technology is being revolved by the note plug spring mating groove installed in through-hole
A plain type oil pump is constituted under the high speed rotation of shuttle axis and can complete piston type pump oil, thus to rotating shuttle fuel feeding.
But in the rotating shuttle course of work, the different fuel feeding demands of rotation speed are also different, and over feeding can pollute seam
Line, sewing, fuel feeding is very few to cause the problems such as increased wear, noise are excessive, even generation is broken, stitching is bad.The patent is logical
The plain type oil pump for crossing note plug spring and groove cooperation composition, can not accurately control output oil amount, while the structure is still more
Complexity has required precision and processing cost height, service life short under rotating shuttle per minute thousands of turns of the demand that runs at high speed
Disadvantage.
Summary of the invention
Technical problem to be solved in the utility model is to be directed to above-mentioned state of the art, and provide a kind of for rotating shuttle
Spiral oil charging structure, driving force is generated to oil liquid by the spiral oil charging structure inside rotary shuttle shaft, and can be automatic according to revolving speed
Adjust delivery rate.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of spiral oil inlet knot for rotating shuttle
Structure is fixed with the axis being sheathed on outside rotary shuttle shaft in rotation shuttle seat including rotation shuttle seat, rotary shuttle shaft and the rotating shuttle being mounted on rotary shuttle shaft
Set, had oil-gap between the inner wall of axle sleeve and the outer wall of rotary shuttle shaft, and the oriented oil for crossing oil-gap oil transportation is installed on axle sleeve
Pipe fitting；Rotary shuttle shaft is formed with axial cavity in one end of installation rotating shuttle, and the inner end of axial cavity passes through radial fuel feed hole and mistake
Oil-gap connection, the outer end of axial cavity is to rotating shuttle fuel feeding；The inner wall of axial cavity is formed with rotating shuttle oil is defeated outward from inner end
The the first spiral oil transportation structure sent.
To optimize above-mentioned technical proposal, the utility model further includes following improved technical solution.
Above-mentioned rotating shuttle has axis mounting portion, and the first sealing ring is equipped between axis mounting portion and rotary shuttle shaft outer wall.
Above-mentioned rotary shuttle shaft is formed with the second spiral oil transportation structure in the outer wall for crossing oil-gap.
The second sealing ring for sealing oil-gap port is equipped between above-mentioned axle sleeve and rotary shuttle shaft outer wall.
The first above-mentioned spiral oil transportation structure is spiral groove or spiral prominence tooth.
When above-mentioned rotary shuttle shaft is rotation counterclockwise, the hand of spiral of the first spiral oil transportation structure is left hand direction.
Above-mentioned rotary shuttle shaft is when rotating clockwise, and the hand of spiral of the first spiral oil transportation structure is clockwise direction.
The hand of spiral of above-mentioned first spiral oil transportation structure is identical as the hand of spiral of the second spiral oil transportation structure.
Spiral oil charging structure for rotating shuttle has the oil pipe to oil connection oil transportation, and visual oil mass is equipped on oil pipe
Viewer and oil mass valve for control oil pipe output oil amount；The oil droplet number instilled by the unit time in oil mass viewer
Amount, the output oil amount of adjusting oil mass valve.
Compared with prior art, the spiral oil charging structure for rotating shuttle of the utility model, in the axial cavity of rotary shuttle shaft
In be formed with the first spiral oil transportation structure.Under rotary shuttle shaft high speed rotation, oil liquid is distributed in the inner wall of axial cavity because of centrifugal force, benefit
Rotating shuttle is axially transported to the screw drives oil liquid of the first spiral oil transportation structure.Rotary shuttle shaft revolving speed is higher, the first spiral oil transportation knot
The driving force of structure is stronger.By the axial cavity inside rotary shuttle shaft to rotating shuttle oil transportation, can also effectively avoid oily in the prior art
Liquid is easy the problem of leaking from rotating shuttle assembly because of rotary centrifugal force.
Detailed description of the invention
Fig. 1 is the application state schematic diagram of the utility model embodiment.
Fig. 2 is the schematic perspective view of the utility model embodiment.
Fig. 3 is the assembling decomposition diagram of oil mass viewer.
Fig. 4 is the schematic diagram of the section structure of oil mass viewer.
Fig. 5 is the assembling decomposition diagram of rotating shuttle assembly.
Fig. 6 is the schematic diagram of the section structure of rotating shuttle assembly.
Fig. 7 is the partial enlargement diagram in Fig. 6 at A.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
Fig. 1 to Fig. 7 show the structural schematic diagram of the utility model.
Appended drawing reference therein are as follows: upper cover 11, oil inlet 11a, injection oil circuit 11b, output circuit 11c, oil mass valve peace
Fill hole 11d, container 12, entrance 12a, outlet 12b, the first connector 13, the second connector 21, third connector 22, oil mass valve
Door 3, adjusting rod 31, spool 32, oil box 4, rotary shuttle shaft 5, axial cavity 51, fuel feed hole 52, the first spiral oil transportation structure 53, second
Spiral oil transportation structure 54, rotation shuttle seat 6, rotating shuttle 7, axis mounting portion 7a, the first sealing ring 71, axle sleeve 8, oil-gap 81, oil pipe excessively connect
First 82, second sealing ring 83.
A kind of spiral oil charging structure for rotating shuttle, the oil pipe including oil sources, connection oil sources and rotating shuttle 7, sets on oil pipe
There are visual oil mass viewer and the oil mass valve 3 for control oil pipe output oil amount.Pass through the unit time in oil mass viewer
The oil droplet quantity of instillation, the output oil amount of adjusting oil mass valve 3.
Oil sources can be the oil box 4 that mounting height is higher than oil mass viewer and rotating shuttle 7 in the utility model.Made using gravity
With oil box 4 accurately controls delivery rate, tool by oil mass viewer and oil mass valve 3 in Fuel injection system to 7 fuel feeding of rotating shuttle
Have the advantages that delivery rate is stable, fuel-flow control is accurate, avoids over feeding, very few bring a series of problems.
Oil mass viewer includes upper cover 11, the container 12 with the sealed connection of upper cover 11.Container 12 has the entrance of oiling
12a, the observation portion for exporting 12b and observing internal droplets to 7 oil transportation of rotating shuttle.Observation portion has transparent window, can observe
The oil droplet quantity for entering container 12 in unit time realizes the visualization of delivery rate to judge delivery rate size.
The entrance 12a of oiling, which can be located at the top of container 12 or upper lateral part, the outlet 12b of oil transportation, can be located at container 12
Bottom or following side.
In a preferred embodiment, container 12 is transparent cylindrical body, and the entrance 12a of oiling is the upper end of cylindrical body, tubular
The upper end of body is connect by sealing ring with 11 sealed bottom of upper cover, and the lower end of cylindrical body is formed with outlet 12b.
Upper cover 11 has the oil inlet 11a that oil droplet is injected into 12 entrance 12a of container, and upper cover 11 is equipped with to be connect with oil pipe
The first connector 13, be formed with the injection oil circuit 11b of connection the first connector 13 and oil inlet 11a in the inside of upper cover 11.
Oil mass valve 3 can be with oil mass viewer split settings, and in a preferred embodiment, oil mass valve 3 is integrated to be arranged in
The inside of upper cover 11.Oil mass valve 3 includes the adjusting rod 31 and spool 32 being able to rotate, and passes through 32 turns of 31 control valve core of adjusting rod
It is dynamic, to adjust output oil amount.
The inside of upper cover 11 is formed with output circuit 11c, and oil mass valve mounting apertures 11d is provided on output circuit 11c, oil
Amount valve 3 is mounted in oil mass valve mounting apertures 11d.
One end of output circuit 11c is connected with the second connector 21, and the second connector 21 passes through on oil pipe and container 12
Export 12b connection.The other end of output circuit 11c connects third connector 22, and third connector 22 passes through oil pipe and 7 phase of rotating shuttle
Connection.
In the present embodiment, oil box 4 can be fixed on sewing machine top, such as the tail portion of sewing machine head, convenient for hiding installation.
Oil box 4 can also be mounted on other positions by bracket, and mounting height is higher than the position of oil mass viewer and rotating shuttle 7.
Oil sources is also possible to be exported by oil pump, then observes delivery rate in real time by oil mass viewer, and pass through oil mass
Valve 3 controls delivery rate.
In the utility model, to improve fuel feeding effect, rotating shuttle 7 has spiral oil charging structure, and spiral oil charging structure can root
According to the high-speed rotation of rotary shuttle shaft 5, the oil liquid driving of oil pipe output is conveyed to rotating shuttle 7.
Spiral oil charging structure includes rotation shuttle seat 6, rotary shuttle shaft 5 and the rotating shuttle 7 being mounted on rotary shuttle shaft 5.It is fixed in rotation shuttle seat 6
There is the axle sleeve 8 being sheathed on outside rotary shuttle shaft 5, there is oil-gap 81 between the inner wall of axle sleeve 8 and the outer wall of rotary shuttle shaft 5, in axle sleeve 8
The upper oriented oil connection 82 for crossing 81 oil transportation of oil-gap of installation.
Rotary shuttle shaft 5 is formed with axial cavity 51 in one end of installation rotating shuttle 7, and the inner end of axial cavity 51 passes through radial oil inlet
Hole 52 is connected to oil-gap 81 is crossed, and the outer end of axial cavity 51 is to 7 fuel feeding of rotating shuttle.The inner wall of axial cavity 51 is formed with rotating shuttle 7
The first spiral oil transportation structure 53 that oil conveys outward from inner end.
When sewing machine works, under 5 high-speed rotation of rotary shuttle shaft, the first spiral oil transportation structure 53 can generate axis during rotation
To driving force, so that oil liquid be conveyed along axial cavity 51 to rotating shuttle 7.
First spiral oil transportation structure 53 can be the spiral groove positioned at 51 inner wall of axial cavity, be also possible to be located at axial
The spiral prominence tooth of 51 inner wall of cavity.
Under 5 high-speed rotation of rotary shuttle shaft, the oil liquid of input axial cavity 51 can be distributed in axial cavity 51 because of centrifugal force
Inner wall, oil liquid are easier to be distributed on the driving of the first spiral oil transportation structure 53 on inner wall.Meanwhile because the first spiral oil transportation knot
Structure 53 is located at the inner wall of axial cavity 51, and the good airproof performance of axial cavity 51 avoids oil liquid from overflowing under the action of the centrifugal force
Risk.
Rotating shuttle 7 has axis mounting portion 7a, and oil liquid is from the port of axial cavity 51 to 7 fuel feeding of rotating shuttle, axis mounting portion 7a and rotation
It is equipped with the first sealing ring 71 between 5 outer wall of shuttle axis, prevents oil liquid from overflowing from junction.
Rotary shuttle shaft 5 is formed with the second spiral oil transportation structure 54 in the outer wall for crossing oil-gap 81.Second spiral oil transportation structure 54 can
To be the spiral groove positioned at 5 outer wall of rotary shuttle shaft, it is also possible to the spiral prominence tooth positioned at 5 outer wall of rotary shuttle shaft.Second spiral oil transportation
Structure 54 is for the oil transportation between oil connection 82 and fuel feed hole 52.It is equipped between 5 outer wall of axle sleeve 8 and rotary shuttle shaft for sealing
Cross the second sealing ring 83 of 81 port of oil-gap.Second sealing ring 83 may be mounted at one end of oil-gap 81, can also pacify
It was mounted in the both ends of oil-gap 81.
In other embodiments, when the distance between oil connection 82 and fuel feed hole 52 are close, oil connection 82 can
With directly 51 oil inside offering of cavity in the axial direction, the second spiral oil transportation structure 54 can be saved.
In main view shown in Fig. 1, when rotary shuttle shaft 5 is rotated counterclockwise with scheming shown direction, the first spiral oil transportation knot
The hand of spiral of structure 53 is left hand direction, plays the role of conveying oil liquid from 5 rear end forward end rotating shuttle 7 of rotary shuttle shaft.Work as rotating shuttle
Axis 5 is when rotating clockwise, and the hand of spiral of the first spiral oil transportation structure 53 is clockwise direction.Second spiral oil transportation structure 54
The hand of spiral is identical as the hand of spiral of the first spiral oil transportation structure 53, utilizes the first spiral oil transportation structure 53 or the second spiral transferring
The rotation driving oil liquid of oily structure 54 axially conveys, to 7 fuel feeding of rotating shuttle.
First spiral oil transportation structure 53 can automatically adjust fuel delivery according to revolving speed.The revolving speed of rotary shuttle shaft 5 is higher, rotating shuttle 7
Need oil mass bigger, while the first spiral oil transportation structure 53 is also bigger to the driving force of oil liquid with the raising of revolving speed, realizes and supplies
The automatic adjustment of oil mass.
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (9)
1. a kind of spiral oil charging structure for rotating shuttle including rotation shuttle seat (6), rotary shuttle shaft (5) and is mounted on rotary shuttle shaft (5)
Rotating shuttle (7) is sheathed on the axle sleeve (8) of rotary shuttle shaft (5) outside, the axle sleeve it is characterized in that: being fixed in the rotation shuttle seat (6)
(8) there are oil-gap (81) between the outer wall of inner wall and rotary shuttle shaft (5), oriented oil-gap excessively is installed on axle sleeve (8)
(81) oil connection (82) of oil transportation；The rotary shuttle shaft (5) is formed with axial cavity (51) in one end of installation rotating shuttle (7), axial
The inner end of cavity (51) is connected to by radial fuel feed hole (52) with mistake oil-gap (81), and the outer end of axial cavity (51) is to described
Rotating shuttle (7) fuel feeding；The inner wall of the axial cavity (51) is formed with the first spiral for conveying rotating shuttle (7) oil outward from inner end
Oil transportation structure (53).
2. spiral oil charging structure according to claim 1, it is characterized in that: the rotating shuttle (7) has axis mounting portion (7a),
The first sealing ring (71) are equipped between the axis mounting portion (7a) and rotary shuttle shaft (5) outer wall.
3. spiral oil charging structure according to claim 1, it is characterized in that: the rotary shuttle shaft (5) is crossing oil-gap (81)
Outer wall be formed with the second spiral oil transportation structure (54).
4. spiral oil charging structure according to claim 1, it is characterized in that: the axle sleeve (8) and rotary shuttle shaft (5) outer wall it
Between be equipped with the second sealing ring (83) for sealing oil-gap (81) port.
5. spiral oil charging structure according to claim 1, it is characterized in that: the first spiral oil transportation structure (53) is spiral shell
Revolve groove or spiral prominence tooth.
6. spiral oil charging structure according to claim 5, it is characterized in that: when the rotary shuttle shaft (5) is rotation counterclockwise,
The hand of spiral of the first spiral oil transportation structure (53) is left hand direction.
7. spiral oil charging structure according to claim 5, it is characterized in that: the rotary shuttle shaft (5) is when rotating clockwise,
The hand of spiral of the first spiral oil transportation structure (53) is clockwise direction.
8. spiral oil charging structure according to claim 3, it is characterized in that: the spiral of the first spiral oil transportation structure (53)
Direction is identical as the hand of spiral of the second spiral oil transportation structure (54).
9. spiral oil charging structure according to claim 1, it is characterized in that: there is the oil pipe to oil connection (82) oil transportation,
Visual oil mass viewer and the oil mass valve (3) for control oil pipe output oil amount are equipped on oil pipe；It is observed by oil mass
The oil droplet quantity that the unit time instills in device, the output oil amount of adjusting oil mass valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821804001.1U CN209128694U (en) | 2018-11-03 | 2018-11-03 | A kind of spiral oil charging structure for rotating shuttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821804001.1U CN209128694U (en) | 2018-11-03 | 2018-11-03 | A kind of spiral oil charging structure for rotating shuttle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209128694U true CN209128694U (en) | 2019-07-19 |
Family
ID=67233895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821804001.1U Active CN209128694U (en) | 2018-11-03 | 2018-11-03 | A kind of spiral oil charging structure for rotating shuttle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209128694U (en) |
-
2018
- 2018-11-03 CN CN201821804001.1U patent/CN209128694U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee after: Shupu Intelligent Technology Co.,Ltd. Address before: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Patentee before: NINGBO SUPREME ELECTRONIC MACHINERY Inc. |
|
| CP01 | Change in the name or title of a patent holder |