CN208604316U - Needle bar mechanism and sewing machine with it - Google Patents
Needle bar mechanism and sewing machine with it Download PDFInfo
- Publication number
- CN208604316U CN208604316U CN201820740491.7U CN201820740491U CN208604316U CN 208604316 U CN208604316 U CN 208604316U CN 201820740491 U CN201820740491 U CN 201820740491U CN 208604316 U CN208604316 U CN 208604316U
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- shank
- needle bar
- bar mechanism
- lubrication
- hole
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Abstract
The utility model provides a kind of needle bar mechanism and the sewing machine with it, which includes shank, axle sleeve and the first lubrication part；Axle sleeve is mounted on the casing of sewing machine, and shank is slideably threaded through in axle sleeve along its axis direction；First lubrication part is set on shank, to be lubricated in shank motion process to shank.So as to guarantee the sufficient lubrication in the shank course of work, it is very fast to solve the problems, such as that needle bar mechanism in the prior art is worn during the work time.
Description
Technical field
The utility model relates to sewing device fields, in particular to a kind of needle bar mechanism and with its sewing machine.
Background technique
The needle bar mechanism of sewing machine is the main working parts of sewing machine, and needle bar mechanism is driven by crankshaft during the work time
The driving of component and pump.Existing needle bar mechanism during the work time its lubricating system there are certain defect, from
And shank and axle sleeve is caused mutually to wear the service life for comparatively fast influencing shank.
Utility model content
The main purpose of the utility model is to provide a kind of needle bar mechanism and with its sewing machine, to solve existing skill
Needle bar mechanism in art wears very fast problem during the work time.
To achieve the goals above, first aspect according to the present utility model provides a kind of needle bar mechanism, comprising:
Shank；Axle sleeve is mounted on the casing of sewing machine, and shank is slideably threaded through in axle sleeve along its axis direction；First lubrication
Part is set on shank, to be lubricated in shank motion process to shank.
Further, axle sleeve includes: Upper shaft sleeve, is set on shank；Wherein, have in Upper shaft sleeve and accommodate the first lubrication part
Accommodating chamber, first lubrication part is removably mounted in accommodating chamber.
Further, axle sleeve further include: Lower shaft sleeve is set on shank；Wherein, Lower shaft sleeve is along shank axis direction interval
The lower section of Upper shaft sleeve is set.
Further, the first lubrication part is lubricating felt.
Further, needle bar mechanism further include: driving assembly, driving assembly are at least partly connect with shank, with driving
Shank is moved along its axis direction；Second lubrication part, is arranged in the junction of driving assembly and shank, to moisten to shank
It is sliding.
Further, driving assembly includes: shank drive pin, and the pin hole along shank radial direction is offered on shank, and shank drives
Dynamic pin is threaded through in pin hole to drive shank to move；Wherein, the second lubrication part is lubricating oil line, offers edge in shank drive pin
Its axially extending lubrication hole, lubricating oil line are threaded through in lubrication hole to be lubricated to shank.
Further, the oil seepage hole being connected to lubrication hole is offered on shank drive pin, oil seepage hole is along shank drive pin
It radially extends, oil seepage hole is for making lubricating oil on the second lubrication part penetrate into shank.
Further, oil seepage hole is multiple, and multiple oil seepage holes are arranged along the axially spaced-apart of shank drive pin.
Further, driving assembly further include: driving crank, one end of driving crank and shank drive pin are hinged；First
Actuating arm, one end of the first actuating arm and driving crank are hinged；Shank transmission shaft, shank transmission shaft are another with the first actuating arm
End connection, to drive shank movement by the first actuating arm and driving crank and shank drive pin.
The second aspect according to the present utility model, provides a kind of sewing machine, including needle bar mechanism, and needle bar mechanism is upper
The needle bar mechanism stated.
Using technical solutions of the utility model needle bar mechanism, including shank, axle sleeve and the first lubrication part；Axle sleeve is mounted on seam
It threads on the casing of machine, shank is slideably threaded through in axle sleeve along its axis direction；First lubrication part is set on shank, with
Shank is lubricated in shank motion process.So as to guarantee the sufficient lubrication in the shank course of work, solve existing
Needle bar mechanism in technology wears very fast problem during the work time.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is according to optionally a kind of structural schematic diagram of needle bar mechanism of the utility model embodiment；
Fig. 2 is the structural schematic diagram according to the second of optionally a kind of needle bar mechanism of the utility model embodiment the lubrication part；
And
Fig. 3 is the structural schematic diagram according to the shank drive pin of optionally a kind of needle bar mechanism of the utility model embodiment.
Wherein, the above drawings include the following reference numerals:
10, shank；11, pin hole；20, axle sleeve；21, Upper shaft sleeve；22, Lower shaft sleeve；30, the first lubrication part；40, driving group
Part；41, shank drive pin；42, lubrication hole；43, oil seepage hole；44, driving crank；45, the first actuating arm；46, shank transmission shaft；
47, the second actuating arm；48, drive link；49, crankshaft；50, the second lubrication part；60, casing；70, main shaft；80, shank cap.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
According to the needle bar mechanism of the utility model embodiment, as shown in Figure 1, including shank 10, axle sleeve 20 and the first lubrication
Part 30；Axle sleeve 20 is mounted on the casing 60 of sewing machine, and shank 10 is slideably threaded through in axle sleeve 20 along its axis direction；
First lubrication part 30 is set on shank 10, to be lubricated in 10 motion process of shank to shank 10.
Using technical solutions of the utility model needle bar mechanism, including shank 10, axle sleeve 20 and the first lubrication part 30；Axle sleeve 20
It is mounted on the casing 60 of sewing machine, shank 10 is slideably threaded through in axle sleeve 20 along its axis direction；First lubrication part 30
It is set on shank 10, to be lubricated in 10 motion process of shank to shank 10.So as to guarantee that shank 10 is worked
It is very fast to solve the problems, such as that 10 mechanism of shank in the prior art is worn during the work time for sufficient lubrication in journey.
When it is implemented, the upper end of shank 10 is connected with shank cap 80, axle sleeve 20 includes Upper shaft sleeve 21 and Lower shaft sleeve 22, on
Axle sleeve 21 and Lower shaft sleeve 22 offer with the matched slide opening of shank 10, Upper shaft sleeve 21 and Lower shaft sleeve 22 are set in by slide opening
On shank 10, Lower shaft sleeve 22 is arranged at intervals on the lower section of Upper shaft sleeve 21 along 10 axis direction of shank.Thus by the top of shank 10
It is positioned respectively with lower part, shank 10 is made only can freely to move up and down along its axis direction.
Further, the first lubrication part 30 is the lubricating felt of annular, and lubricating felt is set on shank 10 to shank 10
It is lubricated；In order to effectively fix the first lubrication part 30, enable the first lubrication part 30 and 10 relative motion of shank, in upper axis
The lower part of set 21 offers the accommodating chamber for accommodating the first lubrication part 30, which is cylindrical space, and the first lubrication part 30 is removable
It installs within the receiving cavity with unloading.
In order to further be lubricated to shank, further, needle bar mechanism further includes driving assembly 40 and the second lubrication
Part 50, driving assembly 40 are at least partly connect with shank 10, to drive shank 10 to move along its axis direction；Second lubrication part
50 are arranged in the junction of driving assembly 40 Yu shank 10, to be lubricated to shank 10.
Specifically, as shown in Figure 1 to Figure 3, driving assembly 40 includes shank drive pin 41, is offered on shank 10 along shank
10 radial pin holes 11, shank drive pin 41 are threaded through in pin hole 11 to drive shank 10 to move；Second lubrication part 50 is lubrication
Oily line is offered along its axially extending lubrication hole 42 in shank drive pin 41, lubricating oil line be threaded through in lubrication hole 42 to
Shank 10 is lubricated in 10 motion process of shank.
In order to guarantee that lubricating oil on lubricating oil line can be fully penetrated on shank 10, further, as shown in figure 3,
Offer the oil seepage hole 43 being connected to lubrication hole 42 on shank drive pin 41, oil seepage hole 43 be it is multiple, multiple oil seepage holes 43 are along needle
The axially spaced-apart of bar drive pin 41 is arranged, and each radially extending along shank drive pin 41 of oil seepage hole 43 can by oil seepage hole
Penetrate into lubricating oil on the second lubrication part 50 fully on shank 10.Optionally, along shank drive pin 41 diametrically
Row's oil seepage hole is offered on side wall respectively, to guarantee after shank drive pin 41 rotates, lubricating oil can be by not
Oil seepage hole 43 with position penetrates on shank 10.
In order to drive shank 10 move, further, driving assembly 40 further include driving crank 44, the first actuating arm 45,
Shank transmission shaft 46, the second actuating arm 47, drive link 48 and crankshaft 49, the upper and lower ends of driving crank 44 all have hingedly
The both ends in hole, the hinge hole and shank drive pin 41 of 44 upper end of driving crank are hinged；One end of first actuating arm 45 is also equipped with
Hinge hole, the hinge hole of 44 lower end of driving crank and the hinge hole of 45 end of the first actuating arm are hinged by screw；First
45 other end of actuating arm is provided with fixed chuck, and the first actuating arm 45 is fixedly connected by fixed chuck with shank transmission shaft 46,
Shank transmission shaft 46 is installed in rotation on casing 60 in corresponding axis hole, and one end of the second actuating arm 47 is also equipped with fixation
Collet, the other end of the second actuating arm 47 are provided with hinge hole, and the second actuating arm 47 passes through fixed chuck and shank transmission shaft 46
It is fixedly connected, the second actuating arm 47 is hinged by hinge hole and the upper end of drive link 48, the lower end of drive link 48 and crankshaft
49 is hinged, and crankshaft 49 is mounted on main shaft 70, and main shaft 70 is mounted on casing 60 in corresponding axis hole.
During the work time, the rotation band dynamic crankshaft 49 of main shaft 70 rotates sewing machine, and crankshaft 49 passes through drive link 48 and the
Two actuating arms 47 drive shank transmission shaft 46 in two opposite direction reciprocating rotations, and shank transmission shaft 46 is in two opposite directions
Reciprocating rotation drives the first actuating arm 45 to swing up and down, and the first actuating arm 45 is driven by driving crank 44 and shank drive pin 41
Shank 10 pumps along its axis direction and sews.
The second aspect according to the present utility model, provides a kind of sewing machine, including needle bar mechanism, and needle bar mechanism is upper
State the needle bar mechanism of embodiment.Using the sewing machine of the needle bar mechanism of above-described embodiment, can guarantee in 10 course of work of shank
Sufficient lubrication, it is very fast to solve the problems, such as that 10 mechanism of shank in the prior art is worn during the work time.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of needle bar mechanism characterized by comprising
Shank (10)；
Axle sleeve (20) is mounted on the casing (60) of sewing machine, and the shank (10) is slideably threaded through along its axis direction
In the axle sleeve (20)；
First lubrication part (30), be set on the shank (10), in the shank (10) motion process to the shank
(10) it is lubricated.
2. needle bar mechanism according to claim 1, which is characterized in that the axle sleeve (20) includes:
Upper shaft sleeve (21) is set on the shank (10)；
Wherein, there is the accommodating chamber for accommodating first lubrication part (30), the first lubrication part in the Upper shaft sleeve (21)
(30) it is removably mounted in the accommodating chamber.
3. needle bar mechanism according to claim 2, which is characterized in that the axle sleeve (20) further include:
Lower shaft sleeve (22) is set on the shank (10)；
Wherein, the Lower shaft sleeve (22) is arranged at intervals on the lower section of the Upper shaft sleeve (21) along the shank (10) axis direction.
4. needle bar mechanism according to claim 1, which is characterized in that first lubrication part (30) is lubricating felt.
5. needle bar mechanism according to claim 1, which is characterized in that the needle bar mechanism further include:
Driving assembly (40), the driving component (40) is at least partly connect with the shank (10), to drive the shank
(10) it is moved along its axis direction；
Second lubrication part (50), is arranged in the junction of the driving component (40) and the shank (10), to the shank
(10) it is lubricated.
6. needle bar mechanism according to claim 5, which is characterized in that the driving component (40) includes:
Shank drive pin (41) offers the pin hole (11) along the shank (10) radial direction, the shank on the shank (10)
Drive pin (41) is threaded through in the pin hole (11) to drive the shank (10) to move；
Wherein, second lubrication part (50) is lubricating oil line, is offered in the shank drive pin (41) axially extending along its
Lubrication hole (42), the lubricating oil line is threaded through in the lubrication hole (42) to be lubricated to the shank (10).
7. needle bar mechanism according to claim 6, which is characterized in that offered on the shank drive pin (41) with it is described
The oil seepage hole (43) of lubrication hole (42) connection, oil seepage hole (43) the radially extending along shank drive pin (41) are described
Oil seepage hole (43) is for making lubricating oil in second lubrication part (50) penetrate into the shank (10).
8. needle bar mechanism according to claim 7, which is characterized in that the oil seepage hole (43) is multiple, multiple infiltrations
Oilhole (43) is arranged along the axially spaced-apart of the shank drive pin (41).
9. needle bar mechanism according to claim 6, which is characterized in that the driving component (40) further include:
Driving crank (44), one end of the driving crank (44) and the shank drive pin (41) are hinged；
First actuating arm (45), one end and the driving crank (44) of first actuating arm (45) are hinged；
Shank transmission shaft (46), the shank transmission shaft (46) connect with the other end of first actuating arm (45), to pass through
First actuating arm (45) and the driving crank (44) and the shank drive pin (41) drive shank (10) fortune
It is dynamic.
10. a kind of sewing machine, including needle bar mechanism, which is characterized in that the needle bar mechanism is to appoint in the claims 1 to 9
Needle bar mechanism described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820740491.7U CN208604316U (en) | 2018-05-17 | 2018-05-17 | Needle bar mechanism and sewing machine with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820740491.7U CN208604316U (en) | 2018-05-17 | 2018-05-17 | Needle bar mechanism and sewing machine with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208604316U true CN208604316U (en) | 2019-03-15 |
Family
ID=65661619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820740491.7U Active CN208604316U (en) | 2018-05-17 | 2018-05-17 | Needle bar mechanism and sewing machine with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208604316U (en) |
-
2018
- 2018-05-17 CN CN201820740491.7U patent/CN208604316U/en active Active
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