CN208776953U - A kind of trimming crank of sewing machine - Google Patents
A kind of trimming crank of sewing machine Download PDFInfo
- Publication number
- CN208776953U CN208776953U CN201821446293.6U CN201821446293U CN208776953U CN 208776953 U CN208776953 U CN 208776953U CN 201821446293 U CN201821446293 U CN 201821446293U CN 208776953 U CN208776953 U CN 208776953U
- Authority
- CN
- China
- Prior art keywords
- axle sleeve
- linking arm
- shank body
- sewing machine
- open slot
- 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 16
- 238000009966 trimming Methods 0.000 title claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 30
- 239000000945 filler Substances 0.000 claims abstract description 15
- 239000010426 asphalt Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000314 lubricant Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 36
- 239000010687 lubricating oil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
Abstract
The utility model discloses a kind of trimming cranks of sewing machine, it is intended to provide a kind of applied to sewing machine and lubricant effect, nonabradable trimming crank, its key points of the technical solution are that including shank body, shank body includes the first connecting pin and second connection end, first connecting pin is equipped with the first linking arm, second connection end is equipped with the second linking arm and third linking arm, shank body is equipped with axis hole, axle sleeve is equipped in the axis hole, axle sleeve is equipped with the first open slot axially opened up along axle sleeve, the location hole with the first open slot face is additionally provided in shank body, shaft hole inner wall is equipped with the oil storage tank shifted to install with the first open slot, the oil filler point being connected to oil storage tank is additionally provided in shank body, axle sleeve is equipped with several microcellular structures, several micropores form the asphalt channel of connection oil storage tank and sleeve lining, the utility model is suitable for accessaries of sewing machine technical field.
Description
Technical field
The utility model belongs to accessaries of sewing machine technical field, refers in particular to a kind of trimming crank of sewing machine.
Background technique
Trimming crank is the component of automatic shearing mechanism on sewing machine, has axis hole on trimming crank, in the course of work, axis
It is mobile that axial reciprocating is needed between hole and shear spool, therefore can generate abrasion between axis hole and shear spool, therefore it is steady to influence transmission
It is qualitative, in order to reduce abrasion, it usually needs add lubricating oil at axis hole, but lubricating oil easily outflows, using effect is simultaneously bad.
Utility model content
The purpose of the utility model is to provide one kind to be applied to sewing machine and lubricant effect, nonabradable trimming crank.
Purpose of the utility model is realized as follows: a kind of trimming crank of sewing machine, including shank body, shank body includes the
One connecting pin and second connection end, the first connecting pin be equipped with the first linking arm, second connection end be equipped with the second linking arm and
Third linking arm, shank body are equipped with axis hole, it is characterised in that: axle sleeve are equipped in the axis hole, axle sleeve is equipped with along axle sleeve axial direction
The first open slot opened up, the location hole with the first open slot face is additionally provided in shank body, and shaft hole inner wall is equipped with and opens with first
The oil storage tank that mouthful slot shifts to install, is additionally provided with oil filler point be connected to oil storage tank in shank body, axle sleeve equipped with several microcellular structures,
Several micropores form the asphalt channel of connection oil storage tank and sleeve lining.
By using above-mentioned technical proposal, since axle sleeve is axially arranged with the first open slot, so when axle sleeve radial force,
Radial contraction can be generated, so that axle sleeve has certain elasticity, the setting of the first open slot is convenient for for axle sleeve being sticked in axis hole,
And increase the connective stability between axle sleeve and axis hole by its elasticity；Location hole is for installing positioning pin, and the first open slot
Setting be also convenient for positioning pin pass through can with shear spool realize it is circumferentially positioned；Offer oil storage tank on shaft hole inner wall, oil storage tank with
Enclosed construction is generated between axle sleeve, oil filler point is convenient for realizing oiling into oil storage tank；The asphalt channel being made up of microcellular structure,
Lubricating oil in oil storage tank is permeable to sleeve lining, plays lubricating action, principle are as follows: when sleeve lining and shear spool are axial
Movement and when frictional heating, the hole of sleeve lining overflows lubricating oil, plays the role of lubrication because of thermal expansion, when stopping work
When making, sleeve lining is cooling, and the lubricating oil in oil storage tank is inhaled into again in the hole of sleeve lining along micropore, realizes from profit
Sliding, high lubricating effect in above structure use state is not easy to wear, and when stopping using, lubricating oil is not easy to overflow, and not will cause
Pollution and waste.
The utility model is further arranged to: first connecting pin is equipped with the stepped hole being connected to axis hole, and oil storage
One end of slot is connected to stepped hole, and axle sleeve is equipped with the positioning ring being adapted to stepped hole, and axle sleeve and positioning ring are integrally formed, positioning
Ring is equipped with the second open slot with the first open slot face.
By using above-mentioned technical proposal, stepped hole is convenient for the processing of oil storage tank, while stepped hole engages both with positioning ring
It can guarantee the plugging action to oil storage tank, also can increase the connective stability between axle sleeve and axis hole, positioning ring is equipped with second
Open slot is easily installed so that positioning ring also has radial elastic.
The utility model is further arranged to: rubber plug is equipped in the oil filler point, rubber plug is equipped with cross recess
Hole.
By using above-mentioned technical proposal, rubber plug is sticked in oil filler point, and rubber plug plays closure to oil filler point
Effect, and by the setting of cross slot, when needing oiling, need to only be inserted into oiling needle can be realized company with oil filler point
Logical, when extracting oiling needle, cross slot can play plugging action by the elasticity of itself.
The utility model is further arranged to: first linking arm is equipped with roller, and the second linking arm, which is equipped with, to be resetted
Pin, third linking arm are equipped with sliding block.
By using above-mentioned technical proposal, roller, return pin and sliding block are used to be used cooperatively with other thread cutting mechanisms.
The utility model is further arranged to: the material of the axle sleeve is fe-based alloy powder powder sintered compact.
By using above-mentioned technical proposal, axle sleeve uses iron(-)base powder for primary raw material, makes of powder metallurgic method
At sintered body, there is enough intensity, and material internal has countless small holes in performance, it in the fabrication process can relatively freely
The technical advantage such as quantity, size, shape and the distribution of adjustment apertures, not only can be with trapped fuel, but also can be formed small and tortuous
Asphalt channel, play the role of self-lubricating.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the left view structural representation of the utility model Fig. 1；
Fig. 3 is the A-A of the utility model Fig. 2 to schematic cross-sectional view；
Appended drawing reference in figure are as follows: 1, shank body；2, the first linking arm；3, the second linking arm；4, third linking arm；5, axle sleeve；
6, the first open slot；7, location hole；8, oil storage tank；9, positioning ring；10, the second open slot；11, rubber plug；12, roller；13,
Return pin；14, sliding block.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing, referring to Fig. 1-3:
A kind of trimming crank of sewing machine, including shank body 1, shank body 1 include the first connecting pin and second connection end, and first connects
It connects end and is equipped with the first linking arm 2, second connection end is equipped with the second linking arm 3 and third linking arm 4, and shank body 1 is equipped with axis
Hole, it is characterised in that: axle sleeve 5 is equipped in the axis hole, axle sleeve 5 is equipped with the first open slot 6 axially opened up along axle sleeve 5, handle
The location hole 7 with 6 face of the first open slot is additionally provided on body 1, shaft hole inner wall is equipped with the storage shifted to install with the first open slot 6
Oil groove 8 is additionally provided with the oil filler point being connected to oil storage tank 8 in shank body 1, and axle sleeve 5 is equipped with several microcellular structures, and several micropores are formed
It is connected to the asphalt channel of oil storage tank 8 and 5 inner wall of axle sleeve.
By using above-mentioned technical proposal, since axle sleeve 5 is axially arranged with the first open slot 6, so working as 5 radial force of axle sleeve
When, radial contraction can be generated, so that axle sleeve 5 has certain elasticity, the setting of the first open slot 6 is convenient for for axle sleeve 5 being sticked in
In axis hole, and pass through the connective stability between its elasticity increase axle sleeve 5 and axis hole；Location hole 7 is for installing positioning pin, and the
It is circumferentially positioned across that can realize with shear spool that the setting of one open slot 6 is also convenient for positioning pin；Oil storage tank is offered on shaft hole inner wall
8, enclosed construction is generated between oil storage tank 8 and axle sleeve 5, oil filler point is convenient for realizing oiling into oil storage tank 8；Pass through microcellular structure structure
At asphalt channel, the lubricating oil in oil storage tank 8 is permeable to 5 inner wall of axle sleeve, plays lubricating action, principle are as follows: when axle sleeve 5
Inner wall and shear spool are axially moved when frictional heating, and the hole of 5 inner wall of axle sleeve overflows lubricating oil, play profit because of thermal expansion
Sliding effect, when stopping working, 5 inner wall of axle sleeve is cooling, and the lubricating oil in oil storage tank 8 is inhaled into axle sleeve 5 again along micropore
In the hole of wall, self-lubricating is realized, high lubricating effect in above structure use state is not easy to wear, and when stopping using, lubrication
Oil is not easy to overflow, and will not pollute and waste.
The utility model is further arranged to: first connecting pin is equipped with the stepped hole being connected to axis hole, and oil storage
One end of slot 8 is connected to stepped hole, and axle sleeve 5 is equipped with the positioning ring 9 that be adapted to stepped hole, axle sleeve 5 and positioning ring 9 it is integrated at
Type, positioning ring 9 are equipped with the second open slot 10 with 6 face of the first open slot.
By using above-mentioned technical proposal, stepped hole is convenient for the processing of oil storage tank 8, while stepped hole engages with positioning ring 9
Both it can guarantee the plugging action to oil storage tank 8, and also can increase the connective stability between axle sleeve 5 and axis hole, positioning ring 9 is equipped with
Second open slot 10 is easily installed so that positioning ring 9 also has radial elastic.
The utility model is further arranged to: rubber plug 11 is equipped in the oil filler point, rubber plug 11 is equipped with ten
Word slot.
By using above-mentioned technical proposal, rubber plug 11 is sticked in oil filler point, and rubber plug 11 plays oil filler point
The effect of closure, and pass through the setting of cross slot, when needing oiling, only need to be inserted into oiling needle be can be realized and oil filler point
Connection, when extracting oiling needle, cross slot can play plugging action by the elasticity of itself.
The utility model is further arranged to: first linking arm 2 is equipped with roller 12, and the second linking arm 3 is equipped with
Return pin 13, third linking arm 4 are equipped with sliding block 14.
By using above-mentioned technical proposal, roller 12, return pin 13 and sliding block 14 are used to match with other thread cutting mechanisms
It closes and uses.
The utility model is further arranged to: the material of the axle sleeve 5 is fe-based alloy powder powder sintered compact.
By using above-mentioned technical proposal, axle sleeve 5 uses iron(-)base powder for primary raw material, makes of powder metallurgic method
At sintered body, there is enough intensity, and material internal has countless small holes in performance, it in the fabrication process can relatively freely
The technical advantage such as quantity, size, shape and the distribution of adjustment apertures, not only can be with trapped fuel, but also can be formed small and tortuous
Asphalt channel, play the role of self-lubricating.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (5)
1. a kind of trimming crank of sewing machine, including shank body (1), shank body (1) includes the first connecting pin and second connection end, first
Connecting pin is equipped with the first linking arm (2), and second connection end is equipped with the second linking arm (3) and third linking arm (4), shank body
(1) it is equipped with axis hole, it is characterised in that: be equipped with axle sleeve (5) in the axis hole, axle sleeve (5) is equipped with axially to be opened up along axle sleeve (5)
The first open slot (6), the location hole (7) with the first open slot (6) face is additionally provided in shank body (1), shaft hole inner wall is equipped with
The oil storage tank (8) shifted to install with the first open slot (6) is additionally provided with the oil filler point being connected to oil storage tank (8), axis in shank body (1)
It covers (5) and is equipped with several microcellular structures, several micropores form the asphalt channel of connection oil storage tank (8) and axle sleeve (5) inner wall.
2. a kind of trimming crank of sewing machine according to claim 1, it is characterised in that: first connecting pin is equipped with
The stepped hole being connected to axis hole, and one end of oil storage tank (8) is connected to stepped hole, axle sleeve (5) is equipped with to be adapted to stepped hole
Positioning ring (9), axle sleeve (5) and positioning ring (9) are integrally formed, and positioning ring (9) is equipped with second with the first open slot (6) face
Open slot (10).
3. a kind of trimming crank of sewing machine according to claim 1, it is characterised in that: be equipped with rubber in the oil filler point
Plug (11), rubber plug (11) are equipped with cross slot.
4. a kind of trimming crank of sewing machine according to claim 1, it is characterised in that: on first linking arm (2)
Equipped with roller (12), the second linking arm (3) is equipped with return pin (13), and third linking arm (4) is equipped with sliding block (14).
5. a kind of trimming crank of sewing machine according to claim 1, it is characterised in that: the material of the axle sleeve (5) is
Fe-based alloy powder powder sintered compact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446293.6U CN208776953U (en) | 2018-09-04 | 2018-09-04 | A kind of trimming crank of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821446293.6U CN208776953U (en) | 2018-09-04 | 2018-09-04 | A kind of trimming crank of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208776953U true CN208776953U (en) | 2019-04-23 |
Family
ID=66159826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821446293.6U Expired - Fee Related CN208776953U (en) | 2018-09-04 | 2018-09-04 | A kind of trimming crank of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208776953U (en) |
-
2018
- 2018-09-04 CN CN201821446293.6U patent/CN208776953U/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 |
Granted publication date: 20190423 |