CN207904515U - A kind of upper axle construction of use in sewing machine length - Google Patents
A kind of upper axle construction of use in sewing machine length Download PDFInfo
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- CN207904515U CN207904515U CN201820197539.4U CN201820197539U CN207904515U CN 207904515 U CN207904515 U CN 207904515U CN 201820197539 U CN201820197539 U CN 201820197539U CN 207904515 U CN207904515 U CN 207904515U
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- sewing machine
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- substrate
- fixed
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Abstract
The utility model discloses a kind of use in sewing machine to grow upper axle construction, include main shaft and substrate in sewing machine shell, the substrate is located at the lower section of main shaft, one end of the main shaft is provided with belt pulley, the other end of the main shaft is fixed with eccentric block, side of the eccentric block far from main shaft is fixed with eccentric shaft, one end of the eccentric shaft is rotatably connected to upright bar, the upright bar lower end is rotatably connected to the second connecting shaft close to one end of eccentric shaft, sliding slot corresponding with the second connecting shaft end is provided on the substrate, the upper and lower ends of the substrate are both provided with groove.The utility model passes through swing handle, so that fixed link is slided in groove, when the end of fixed link is extend on sewing machine outer casing inner wall in the identical slot being arranged, the position of substrate can be fixed, sliding slot corresponding with the second connecting shaft end is provided on substrate, second connecting shaft is slided in sliding slot, it is ensured that the stationarity of upright bar lower end, to reduce the shaking of syringe needle connecting rod.
Description
Technical field
The utility model is related to sewing machine technique field more particularly to a kind of upper axle construction of use in sewing machine length.
Background technology
General sewing machine is all made of head, engine base, transmission and four part of attachment.Head is the major part of sewing machine.
It is formed by piercing material, hook line, take-up, four mechanisms of feeding and coiling, binder, Luo Yadeng auxiliary bodies, and the movement of each mechanism is closed
The cooperation of reason ground, cycle operation unite by a seam sewing.
Sewing machine be will grow axis be changed into pumping for upright bar, the drive that pumps of upright bar
Syringe needle connecting rod pumps, but when upright bar pumps, the lower end of upright bar is easy to shake, to drive needle
Head connecting rod shakes, and stability is bad.
Utility model content
Purpose of the utility model is to solve the lower ends of upright bar in the prior art to be easy to shake, to drive syringe needle to connect
Bar shakes, the bad problem of stability, and the upper axle construction of a kind of use in sewing machine length proposed.
To achieve the goals above, the utility model uses following technical solution：
A kind of upper axle construction of use in sewing machine length, includes main shaft and substrate in sewing machine shell, the substrate position
In the lower section of main shaft, one end of the main shaft is provided with belt pulley, and the other end of the main shaft is fixed with eccentric block, the bias
Side of the block far from main shaft is fixed with eccentric shaft, and one end of the eccentric shaft is rotatably connected to upright bar, and the upright bar lower end is close
One end of eccentric shaft is rotatably connected to the second connecting shaft, and sliding slot corresponding with the second connecting shaft end is provided on the substrate,
The upper and lower ends of the substrate are both provided with groove, slidably connect fixed link in the groove, the sewing machine shell it is interior
Wall is provided with identical slot corresponding with fixed boom end, and the side that groove is located on the substrate is provided with chamber, the chamber
It is arranged close to the second connecting shaft, communication port is provided between the chamber and groove, is provided in the chamber and fixed link pair
The regulating mechanism answered, side of the upright bar far from eccentric shaft are rotatably connected to the first connecting shaft, and the one of first connecting shaft
End is provided with shank sleeve, and syringe needle connecting rod, the madial wall of the syringe needle connecting rod and shank sleeve are inserted in the shank sleeve
It is fixedly connected.
Preferably, the regulating mechanism includes the threaded rod being vertically arranged, the upper and lower ends of the threaded rod respectively with chamber
The inner top of room is connected with interior lower rotation, movable block is threaded on the threaded rod, the movable block is close to communication port
Side be fixed with connecting rod, one end of the connecting rod is fixedly connected through communication port and with fixed link, is set in the chamber
It is equipped with driving mechanism corresponding with threaded rod.
Preferably, the madial wall of the connecting rod and communication port is slidably connected.
Preferably, the driving mechanism includes first bevel gear, and the first bevel gear is arranged in the lower end of threaded rod, institute
It states lower end of the chamber inner wall far from communication port side and is provided through hole, linking axis, the linking are interspersed in the through hole
One end of axis extends into chamber and is rotatablely connected with the madial wall of chamber, and the other end of the linking axis extends simultaneously to outside chamber
It is fixed with handle, second bevel gear is provided on the linking axis, the second bevel gear is located in chamber and bores tooth with first
Wheel engagement connection.
Preferably, the madial wall of the linking axis and through hole is rotatablely connected.
Preferably, the bottom end of the syringe needle connecting rod is equipped with sewing machine syringe needle.
The utility model passes through swing handle so that fixed link is slided in groove, and the end of fixed link extend into sewing
When in the identical slot being arranged on machine outer casing inner wall, the position of substrate can be fixed, be provided on substrate and connect shaft end with second
The corresponding sliding slot in portion, the second connecting shaft are slided in sliding slot, it is ensured that the stationarity of upright bar lower end, to reduce syringe needle connecting rod
Shaking.
Description of the drawings
Fig. 1 be the utility model proposes a kind of upper axle construction of use in sewing machine length structural schematic diagram；
Fig. 2 be the utility model proposes a kind of upper axle construction of use in sewing machine length in structural schematic diagram at A.
In figure：1 upright bar, 2 syringe needle connecting rods, 3 first connecting shafts, 4 shank sleeves, 5 eccentric shafts, 6 eccentric blocks, 7 main shafts, 8 skins
Belt wheel, 9 second connecting shafts, 10 sliding slots, 11 substrates, 12 connecting rods, 13 fixed links, 14 grooves, 15 communication ports, 16 linking axis, 17
First bevel gear, 18 second bevel gears, 19 handles, 20 through holes, 21 threaded rods, 22 movable blocks, 23 chambers.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of upper axle construction of use in sewing machine length, includes main shaft 7 and substrate in sewing machine shell
11, substrate 11 is located at the lower section of main shaft 7, and one end of main shaft 7 is provided with belt pulley 8, and the other end of main shaft 7 is fixed with eccentric block 6,
Side of the eccentric block 6 far from main shaft 7 is fixed with eccentric shaft 5, and one end of eccentric shaft 5 is rotatably connected to upright bar 1, and 1 lower end of upright bar is leaned on
One end of nearly eccentric shaft 5 is rotatably connected to the second connecting shaft 9, and cunning corresponding with 9 end of the second connecting shaft is provided on substrate 11
The upper and lower ends of slot 10, substrate 11 are both provided with groove 14, slidably connect fixed link 13 in groove 14, sewing machine shell it is interior
Wall is provided with identical slot corresponding with 13 end of fixed link, and the side that groove 14 is located on substrate 11 is provided with chamber 23, chamber
23 are arranged close to the second connecting shaft 9, and communication port 15 is provided between chamber 23 and groove 14, is provided in chamber 23 and fixed link
13 corresponding regulating mechanisms, side of the upright bar 1 far from eccentric shaft 5 are rotatably connected to the first connecting shaft 3, and the one of the first connecting shaft 3
End is provided with shank sleeve 4, syringe needle connecting rod 2 is inserted in shank sleeve 4, syringe needle connecting rod 2 and the madial wall of shank sleeve 4 are fixed
Connection.
In the utility model, regulating mechanism includes the threaded rod 21 being vertically arranged, the upper and lower ends of threaded rod 21 respectively with
The inner top of chamber 23 is connected with interior lower rotation, movable block 22 is threaded on threaded rod 21, movable block 22 is close to connection
The side of mouth 15 is fixed with connecting rod 12, and one end of connecting rod 12 is fixedly connected through communication port 15 and with fixed link 13, chamber
Driving mechanism corresponding with threaded rod 21 is provided in 23, the rotation of threaded rod 21 can make the end of fixed link 13 extend into
In the identical slot being arranged on sewing machine outer casing inner wall, so as to which the position of substrate 11 is fixed, connecting rod 12 and communication port 15
Madial wall be slidably connected, connecting rod 12 can limit movable block 22, prevent threaded rod 21 rotate when drive movable block 22 rotate,
Driving mechanism includes first bevel gear 17, and first bevel gear 17 is arranged in the lower end of threaded rod 21, and 23 inner wall of chamber is far from connection
The lower end of mouthful 15 sides is provided through hole 20, and linking axis 16 is interspersed in through hole 20, is connected one end of axis 16 to chamber 23
Interior extension is simultaneously rotatablely connected with the madial wall of chamber 23, and the other end of linking axis 16 extends to outside chamber 23 and is fixed with handle
19, it is connected on axis 16 and is provided with second bevel gear 18, second bevel gear 18 is located in chamber 23 and is engaged with first bevel gear 17
Connection can make threaded rod 21 rotate by swing handle 19, and linking axis 16 and the madial wall of through hole 20 are rotatablely connected, needle
The bottom end of head connecting rod 2 is equipped with sewing machine syringe needle, drives syringe needle connecting rod 2 to do when upright bar 1 pumps and up and down reciprocatingly transports
It is dynamic.
In the utility model, the rotation of belt pulley 8 drives main shaft 7 to rotate, so that eccentric block 6 rotates, 6 turns of eccentric block
Upright bar 1 drives syringe needle connecting rod 2 to pump while dynamic, stationarity when in order to ensure that upright bar 1 moves up and down, vertical
The lower end of bar 1 is arranged the second connecting shaft 9, the installation base plate 11 in sewing machine shell, is arranged sliding slot 10 on substrate 11, in upright bar 1
When lower reciprocating motion, end sliding in sliding slot 10 of the second connecting shaft 9, the installation and removal of substrate 11 are more convenient, only need
Swing handle 19 so that second bevel gear 18 drives first bevel gear 17 to rotate, so that threaded rod 21 rotates, threaded rod 21
While rotation, movable block 22 is limited by connecting rod 12 and can not be rotated, and can only be moved on threaded rod 21, when movable block 22
It is mobile to drive the sliding in groove 14 of fixed link 13, when the end of fixed link 13 extend into the kiss being arranged on sewing machine outer casing inner wall
When closing in slot, the position of substrate 11 can be fixed.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of upper axle construction of use in sewing machine length, includes main shaft (7) and substrate (11) in sewing machine shell, feature
It is, the substrate (11) is located at the lower section of main shaft (7), and one end of the main shaft (7) is provided with belt pulley (8), the main shaft
(7) the other end is fixed with eccentric block (6), and side of the eccentric block (6) far from main shaft (7) is fixed with eccentric shaft (5), described
One end of eccentric shaft (5) is rotatably connected to upright bar (1), and upright bar (1) lower end is rotatably connected to close to one end of eccentric shaft (5)
Second connecting shaft (9) is provided with sliding slot (10) corresponding with the second connecting shaft (9) end, the substrate on the substrate (11)
(11) upper and lower ends are both provided with groove (14), and fixed link (13), the sewing machine are slidably connected in the groove (14)
The inner wall of shell is provided with identical slot corresponding with fixed link (13) end, and the side of groove (14) is located on the substrate (11)
It is provided with chamber (23), the chamber (23) is arranged close to the second connecting shaft (9), is set between the chamber (23) and groove (14)
It is equipped with communication port (15), is provided with regulating mechanism corresponding with fixed link (13) in the chamber (23), the upright bar (1) is separate
The side of eccentric shaft (5) is rotatably connected to the first connecting shaft (3), and one end of first connecting shaft (3) is provided with shank sleeve
(4), syringe needle connecting rod (2) is inserted in the shank sleeve (4), the syringe needle connecting rod (2) and the madial wall of shank sleeve (4) are solid
Fixed connection.
2. a kind of upper axle construction of use in sewing machine length according to claim 1, which is characterized in that the regulating mechanism includes perpendicular
The threaded rod (21) being directly arranged, the upper and lower ends of the threaded rod (21) respectively with the inner top of chamber (23) and interior lower rotation
It connects, movable block (22) is threaded on the threaded rod (21), the movable block (22) is close to the side of communication port (15)
It is fixed with connecting rod (12), one end of the connecting rod (12) is fixedly connected through communication port (15) and with fixed link (13), institute
It states in chamber (23) and is provided with driving mechanism corresponding with threaded rod (21).
3. axle construction in a kind of use in sewing machine length according to claim 2, which is characterized in that the connecting rod (12) and company
The madial wall of port (15) is slidably connected.
4. the upper axle construction of a kind of use in sewing machine length according to claim 2, which is characterized in that the driving mechanism includes the
One bevel gear (17), first bevel gear (17) setting is in the lower end of threaded rod (21), and chamber (23) inner wall is far from even
The lower end of port (15) side is provided through hole (20), and linking axis (16), the linking are interspersed in the through hole (20)
One end of axis (16) extends into chamber (23) and is rotatablely connected with the madial wall of chamber (23), described to be connected the another of axis (16)
It holds and extends and be fixed with handle (19) outside to chamber (23), second bevel gear (18) is provided on the linking axis (16), it is described
Second bevel gear (18) is located in chamber (23) and engages connection with first bevel gear (17).
5. the upper axle construction of a kind of use in sewing machine length according to claim 4, which is characterized in that the linking axis (16) with pass through
The madial wall rotation connection of perforation (20).
6. a kind of upper axle construction of use in sewing machine length according to claim 1, which is characterized in that the syringe needle connecting rod (2)
Bottom end is equipped with sewing machine syringe needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820197539.4U CN207904515U (en) | 2018-02-05 | 2018-02-05 | A kind of upper axle construction of use in sewing machine length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820197539.4U CN207904515U (en) | 2018-02-05 | 2018-02-05 | A kind of upper axle construction of use in sewing machine length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207904515U true CN207904515U (en) | 2018-09-25 |
Family
ID=63563213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820197539.4U Active CN207904515U (en) | 2018-02-05 | 2018-02-05 | A kind of upper axle construction of use in sewing machine length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207904515U (en) |
-
2018
- 2018-02-05 CN CN201820197539.4U patent/CN207904515U/en active Active
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