CN206219793U - A kind of sewing machine crank component - Google Patents
A kind of sewing machine crank component Download PDFInfo
- Publication number
- CN206219793U CN206219793U CN201621273920.1U CN201621273920U CN206219793U CN 206219793 U CN206219793 U CN 206219793U CN 201621273920 U CN201621273920 U CN 201621273920U CN 206219793 U CN206219793 U CN 206219793U
- Authority
- CN
- China
- Prior art keywords
- hole
- crank
- rotating shaft
- connecting rod
- fixed rotating
- 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
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a kind of sewing machine crank component,The crank assemblies include crank,It is rotatably connected with crank and the power arm for driving crank to rotate,The fixed rotating shaft rotated with the crank is fixedly arranged on the crank,It is arranged at the Z-shaped connecting rod that the fixed rotating shaft end rotates with fixed rotating shaft,And the Z-shaped connecting rod first end end is rotatably arranged at for fixing the fixing axle of shank,The first axis hole rotated for fixed rotating shaft is provided with the sewing machine,The crank is around fixed rotating shaft for the center of circle rotates,The fixed rotating shaft first end is fixedly connected with the crank,The end of fixed rotating shaft second is rotatably connected with the end of Z-shaped connecting rod second,The end of fixing axle second is provided with the eccentric pivot hole that connection is rotated for the end of Z-shaped connecting rod second insertion,The Z-shaped connecting rod first end end center position is provided with the central shaft hole that connection is rotated for fixed shaft end insertion,The sewing machine is provided with the stop collar hole for being only used for moving up and down for shank.
Description
Technical field
The utility model is related to sewing machine field, more specifically to a kind of sewing machine crank component.
Background technology
At present, crank assemblies of the prior art due to structure design it is unreasonable, can be sent out in the production of industrial sewing machine
Raw failure.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided a kind of sewing machine
Crank assemblies.
The utility model solves the technical scheme that its technical problem used：A kind of sewing machine crank component is constructed, should
Crank assemblies include that crank and the crank are rotatably connected and for driving the power arm of crank rotation, being fixedly arranged on the crank
On rotate with the crank fixed rotating shaft, be arranged at Z-shaped connecting rod that the fixed rotating shaft end rotates with the fixed rotating shaft, with
And the Z-shaped connecting rod first end end is rotatably arranged at for fixing the fixing axle of shank, it is provided with the sewing machine for being somebody's turn to do
The first axis hole that fixed rotating shaft is rotated, the crank is center of circle rotation, the fixed rotating shaft first end and the crank around the fixed rotating shaft
It is fixedly connected, the end of fixed rotating shaft second and the end of Z-shaped connecting rod second are rotatably connected, the end of fixing axle second is provided with confession
The end of Z-shaped connecting rod second insertion rotates the eccentric pivot hole of connection, and the Z-shaped connecting rod first end end center position sets
There is the central shaft hole that connection is rotated for fixation shaft end insertion, the sewing machine is provided with and is only used for what is moved up and down for the shank
Stop collar hole.
In sewing machine crank component described in the utility model, the fixing axle is provided with through the fixing axle and is used for
The fixing hole of fixed shank.
In sewing machine crank component described in the utility model, the power arm bottom is provided with and is rotatably connected with main shaft
Connecting hole.
In sewing machine crank component described in the utility model, the end of Z-shaped connecting rod second is provided with and is inserted into this
The first insertion section in eccentric pivot hole, the first insertion section surface is provided with first annular groove, the second side of fixed rotating shaft wall
The first screwed hole being inserted into from fixed rotating shaft outside in the fixed rotating shaft is provided with, the bias is inserted into first insertion section
The first screw thread hole site is relative with the first annular groove location when in axis hole, is provided with first screwed hole and first spiral shell
Pit is spirally connected and extends to the first spiral shell for preventing first insertion section from deviating from from the eccentric pivot hole in the first annular groove
Bolt.
In sewing machine crank component described in the utility model, the fixation shaft end is provided with and is inserted into the central shaft hole
The second interior insertion section, the second insertion section surface is provided with the second annular groove, the first side of Z-shaped connecting rod wall be provided with from
Z-shaped connecting rod outside is inserted into the second screwed hole in the Z-shaped connecting rod, and the center is inserted into second insertion section
The second screw thread hole site is relative with the second annular groove position when in axis hole, is provided with second screwed hole and second spiral shell
Pit is spirally connected and extends to the second bolt for preventing second insertion section from deviating from from the central shaft hole in second annular groove.
Implement sewing machine crank component of the present utility model, have the advantages that：Use sewing of the present utility model
During machine crank assemblies, user can drive power arm swing by power set, and crank is driven in power arm swing process around fixation
Axis of rotation, fixed rotating shaft is rotated and drives the second end of Z-shaped connecting rod to rotate by eccentric pivot hole, Z-shaped connecting rod second
End rotates and drives Z-shaped connecting rod first end to rotate, simultaneously as sewing machine is provided with the limit for being only used for moving up and down for shank
Position set hole, then be capable of achieving to drive shank to move up and down by Z-shaped connecting rod, realizes sewing operation.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structural representation of the utility model sewing machine crank component；
Fig. 2 is that the part structure for amplifying of Z-shaped connecting rod and fixed rotating shaft in the utility model sewing machine crank component shows
It is intended to.
Specific embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type implementation method is described in further detail.
As shown in Figure 1, 2, in sewing machine crank component first embodiment of the present utility model, the crank assemblies 1 include
Crank 2 and the crank 2 are rotatably connected and for driving the power arm 3 of the crank 2 rotation, being fixedly arranged on the crank 2 with the song
Fixed rotating shaft 4 that handle 2 is rotated, be arranged at Z-shaped connecting rod 5 that the end of fixed rotating shaft 4 rotates with the fixed rotating shaft 4 and
The first end end of Z-shaped connecting rod 5 is rotatably arranged at for fixing the fixing axle 6 of shank, is provided with the sewing machine for being somebody's turn to do
Fixed rotating shaft 4 rotate the first axis hole, the crank 2 around the fixed rotating shaft 4 be the center of circle rotate, the first end of fixed rotating shaft 4 with should
Crank 2 is fixedly connected, the end of fixed rotating shaft 4 second and the end of Z-shaped connecting rod 5 second are rotatably connected, the fixing axle 6 second
End is provided with the eccentric pivot hole 7 that connection is rotated for the end of Z-shaped connecting rod 5 second insertion, the first end end of Z-shaped connecting rod 5
Center position is provided with the central shaft hole 8 for supplying the end of fixing axle 6 insertion to rotate connection, and the sewing machine is provided with and is only used for for being somebody's turn to do
The stop collar hole that shank is moved up and down.
During using sewing machine crank component 1 of the present utility model, user can drive power arm 3 to swing by power set,
Crank 2 is driven to be rotated around fixed rotating shaft 4 in the swing process of power arm 3, fixed rotating shaft 4 is rotated and driven " Z " by eccentric pivot hole 7
The end of shape connecting rod 5 second rotates, and the end of Z-shaped connecting rod 5 second rotates and drives the first end of Z-shaped connecting rod 5 to rotate, meanwhile, by
The stop collar hole for being only used for moving up and down for shank is provided with sewing machine, is then capable of achieving to drive shank by Z-shaped connecting rod 5
Move up and down, realize sewing operation.
Specifically, the fixing axle 6 is provided with through the fixing axle 6 and the fixing hole 9 for fixing shank.The power arm 3
Bottom is provided with the connecting hole 10 being rotatably connected with main shaft.
Further, to prevent the first insertion section 11 abjection, the Z-shaped connecting rod 5 from eccentric pivot hole 7 in rotation process
Second end is provided with the first insertion section 11 being inserted into the eccentric pivot hole 7, and the surface of the first insertion section 11 is provided with first annular
Groove 12, the side wall of fixed rotating shaft 4 second is provided with the first spiral shell being inserted into from the outside of the fixed rotating shaft 4 in the fixed rotating shaft 4
Pit, the first screw thread hole site and the first annular groove 12 when first insertion section 11 is inserted into the eccentric pivot hole 7
Position is relative, and be provided with first screwed hole prevents with first screw hole and extending in the first annular groove 12
First bolt 13 of first insertion section 11 abjection from the eccentric pivot hole 7.
Further, to prevent the second insertion section 14 abjection, the end of fixing axle 6 from central shaft hole 8 in rotation process
The second insertion section 14 being inserted into the central shaft hole 8 is provided with, the surface of the second insertion section 14 is provided with the second annular groove 15,
The side wall of Z-shaped connecting rod 5 first is provided with second be inserted into from the outside of the Z-shaped connecting rod 5 in the Z-shaped connecting rod 5
Screwed hole, the second screw thread hole site and second annular groove when second insertion section 14 is inserted into the central shaft hole 8
15 positions are relative, are provided with second screwed hole and prevented with second screw hole and extending in second annular groove 15
The second bolt 16 that only second insertion section 14 is deviate from from the central shaft hole 8.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical fields, are similarly included in scope of patent protection of the present utility model.
Claims (5)
1. a kind of sewing machine crank component, it is characterised in that the crank assemblies include that crank and the crank are rotatably connected
And for driving the power arm of the crank rotation, being fixedly arranged on the crank fixed rotating shaft, the setting that are rotated with the crank
The Z-shaped connecting rod that is rotated with the fixed rotating shaft in the fixed rotating shaft end and rotatably it is arranged at the Z-shaped and connects
Extension bar first end end is used to fix the fixing axle of shank, and the first axle rotated for the fixed rotating shaft is provided with the sewing machine
Hole, the crank is that the center of circle rotates around the fixed rotating shaft, and the fixed rotating shaft first end is fixedly connected with the crank, described
The end of fixed rotating shaft second is rotatably connected with the end of Z-shaped connecting rod second, and the end of the fixing axle second is provided with described in confession " Z "
The insertion of the end of shape connecting rod second rotates the eccentric pivot hole of connection, and Z-shaped connecting rod first end end center position is provided with
The central shaft hole of connection is rotated for the fixed shaft end insertion, the sewing machine is provided with and is only used for for being moved down on the shank
Dynamic stop collar hole.
2. sewing machine crank component according to claim 1, it is characterised in that the fixing axle is provided with through described solid
Dead axle and the fixing hole for fixing shank.
3. sewing machine crank component according to claim 1, it is characterised in that the power arm bottom is provided with can with main shaft
Rotate the connecting hole of connection.
4. sewing machine crank component according to claim 1, it is characterised in that the end of Z-shaped connecting rod second is provided with
The first insertion section in the eccentric pivot hole is inserted into, first insertion section surface is provided with first annular groove, described solid
Determine the second side of rotating shaft wall and be provided with the first screwed hole being inserted into from fixed rotating shaft outside in the fixed rotating shaft, described
The first screw thread hole site is relative with the first annular groove location described in when first insertion section is inserted into the eccentric pivot hole,
It is provided with first screwed hole and first screw hole and extends to described is prevented in the first annular groove
The first bolt that one insertion section is deviate from from the eccentric pivot hole.
5. sewing machine crank component according to claim 1, it is characterised in that the fixed shaft end is provided with and is inserted into
The second insertion section in the central shaft hole, second insertion section surface is provided with the second annular groove, the Z-shaped connecting rod
First side wall is provided with the second screwed hole being inserted into from Z-shaped connecting rod outside in the Z-shaped connecting rod, described
The second screw thread hole site is relative with the second annular groove position described in when second insertion section is inserted into the central shaft hole,
It is provided with second screwed hole and second screw hole and extends to described is prevented in second annular groove
The second bolt that two insertion sections are deviate from from the central shaft hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621273920.1U CN206219793U (en) | 2016-11-24 | 2016-11-24 | A kind of sewing machine crank component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621273920.1U CN206219793U (en) | 2016-11-24 | 2016-11-24 | A kind of sewing machine crank component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206219793U true CN206219793U (en) | 2017-06-06 |
Family
ID=58785985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621273920.1U Expired - Fee Related CN206219793U (en) | 2016-11-24 | 2016-11-24 | A kind of sewing machine crank component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206219793U (en) |
-
2016
- 2016-11-24 CN CN201621273920.1U patent/CN206219793U/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: 20170606 Termination date: 20191124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |