CN106192229A - A kind of regulation presser feet height devices of sewing machine - Google Patents
A kind of regulation presser feet height devices of sewing machine Download PDFInfo
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- CN106192229A CN106192229A CN201610850296.5A CN201610850296A CN106192229A CN 106192229 A CN106192229 A CN 106192229A CN 201610850296 A CN201610850296 A CN 201610850296A CN 106192229 A CN106192229 A CN 106192229A
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- connecting rod
- sewing machine
- regulation
- presser feet
- fuselage
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
- D05B29/02—Presser-control devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention provides the regulation presser feet height devices of a kind of sewing machine, belong to field of mechanical technique.The device it solving existing regulation presser feet height regulates cumbersome problem.It includes the adjusting rod that may be contained within fuselage, connecting pin, connecting rod one, the connecting rod two be arrangeding in parallel with connecting rod one and elastic component, one end of connecting rod one is socketed on connecting pin respectively with one end of connecting rod two, there is on the other end of connecting rod one limiting section of protrusion, the outer end of adjusting rod is stretched out outside fuselage, the inner of adjusting rod has regulating block, regulating block is positioned at connecting rod one and has the lower section of limiting section one end, driving member includes eccentric setting drive sleeve in upper shaft, drive link and with the drive block being fixed on power transmission shaft, the one end being equipped with pivot and drive link in drive sleeve fixes with pivot, the other end of drive link fixes with drive block, the other end that connecting rod two and connecting pin socket-connect socket-connects with pivot.It has the regulation advantage such as convenient, time saving and energy saving.
Description
Technical field
The invention belongs to field of mechanical technique, relate to the adjusting means of a kind of sewing machine, the tune of a kind of sewing machine
Joint presser feet height devices.
Background technology
At present, it is manufactured into interference, every work to prevent cloth from together rising opposite joint due to the friction with pin with pin
All can be provided with presser foot component on industry sewing machine, when shank leaves cloth rising, utilize presser foot component that cloth is pressed downward against, anti-
Only cloth is upwards taken up by suture needle, and after suture needle completely disengages from cloth rising, makes presser foot component together increase along with shank.
In industrial sewing machine in early days, the hoisting depth of presser foot component is all definite value, it is impossible to is adjusted, but is as industrial sewing machine
Improving constantly of technology, the adjustability for the hoisting depth of presser foot component there has also been requirement.
In order to solve the problems referred to above, Chinese patent it is proposed that cross a kind of sewing machine [application number: 200710148211.X], it
When promoting presser feet, by main axis, the eccentric cam on main shaft drive annular component movable and driven rod component with
Rotating shaft is that fulcrum produces swing, and finally make axis of rotation and drive pressure foot lifting or under press, it will thus be seen that at this seam
The hoisting depth of presser feet in machine of threading is to be determined by the amplitude of fluctuation of bar component.In order to realize the scalable of presser lifting amount,
Being provided with the circular hole of circular shape on bar component, the front end of annular component becomes to be connected by pin-shaped with circular hole, in regulation pressure
During the hoisting depth of foot, slide along circular hole the link position changing annular component front end with circular hole by pin, and due to
The amplitude of fluctuation of bar component is to be determined, therefore when annular component front end and circle by position on bar component, the annular component front end
After the link position in arc hole changes, the hoisting depth of presser feet just have also been obtained change.
Although this sewing machine achieves the scalable of presser lifting amount, but in place of it there is also some shortcomings: pressure
Foot hoisting depth is that the link position changing annular component front end and circular hole along circular hole by making pin slide is carried out
Regulation, but annular component is provided in the casing of sewing machine, needs first by the casing overall pulling down ability of sewing machine
Being adjusted, meanwhile, in order to ensure the stability during pressure foot lifting, pin must be during bar component normally swings
Relatively lock, then when regulation, not only first the casing of sewing machine is first removed, in addition it is also necessary to pin is unclamped, then by making
User controls pin and moves along circular hole and be adjusted, and this causes the regulation of hoisting depth of whole presser feet to seem the most numerous
Trivial, laborious, and the user substantial amounts of time can be spent for removing and reinstall the casing of sewing machine.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that the regulation presser feet of a kind of sewing machine is high
Degree device, the hoisting depth of presser feet is adjusted by be solved technical problem is how more easily.
The purpose of the present invention can be realized by following technical proposal:
The regulation presser feet height devices of a kind of sewing machine, is provided with presser foot component at the head of the casing of sewing machine, casing
It is provided with upper shaft in fuselage and outside the head of casing, is provided with the power transmission shaft paralleled with upper shaft, described power transmission shaft one end and presser feet
It is provided with drive mechanism between assembly, between described upper shaft and power transmission shaft, is provided with driving member, it is characterised in that this regulation presser feet height
Device includes connecting rod two and the elasticity that the adjusting rod that may be contained within fuselage, connecting pin, connecting rod one and connecting rod one be arranged in parallel
Part, one end of described connecting rod one and one end of connecting rod two are socketed on connecting pin respectively, and the other end of described connecting rod one has
The limiting section protruded, the outer end of described adjusting rod is stretched out outside fuselage, and the inner of adjusting rod has inclined relative to the axis of adjusting rod
The regulating block that the heart is arranged, described regulating block is positioned at connecting rod one and has the lower section of limiting section one end, and described elastic component acts on connecting rod
On one and make limiting section have the trend on the lateral surface acting on regulating block all the time, described driving member includes that eccentric setting is in upper
Drive sleeve on axle, drive link and with the drive block being fixed on power transmission shaft, described drive sleeve is equipped with pivot and drive link
One end fix with pivot, the other end of drive link fixes with drive block, and described connecting rod two is another with what connecting pin socket-connected
One end socket-connects with pivot.
Presser foot component, when normally working, is rotated by the driven by motor upper shaft being arranged in the fuselage of casing, owing to passing
Dynamic set eccentric setting is in upper shaft, and connecting rod one keeps static in this condition, then drive sleeve can be driven to produce when upper shaft rotates
Raw swing forward or backward, and make pivot be moved forward or rearward with connecting pin for fulcrum.One end and pivot due to drive link
Axle is formed fixing, and therefore drive link together can be moved forward or rearward along with pivot, and the other end of drive link and drive block are solid mutually
Fixed, drive block one end with power transmission shaft again fixes, then drive block will swing with power transmission shaft forward or backward for fulcrum, and
Final drive power transmission shaft generation transmission, power transmission shaft is able to drive presser foot component to promote by drive mechanism or decline.
When utilizing this regulation presser feet height devices to be adjusted the hoisting depth of presser feet, upper shaft stops operating.Use
Person is by rotating the outer end of adjusting rod, and the inner of adjusting rod has the regulating block arranged relative to the eccentric axis of adjusting rod, makes
The lateral surface of regulating block is separated with the limiting section on connecting rod one, so, loses the barrier effect of regulating block, elastic component
Effect under make the limiting section swung downward on connecting rod one with alignment pin for fulcrum, then the other end of connecting rod one will upwards be put
Dynamic, owing to the other end of connecting rod one and one end of connecting rod two are respectively sleeved on connecting pin, and the other end of connecting rod two and pivot
Axle fixes, and one end that therefore connecting rod two is socketed on connecting pin can be with pivot for fulcrum along with connecting rod one socket-connects with alignment pin
The other end be together swung up, so, the position of connecting pin just there occurs change, and owing to the lifting of presser foot component is high
Degree is to be determined with the displacement that connecting pin is fulcrum by pivot, therefore after the position of connecting pin changes, and pivot
Displacement with connecting pin as fulcrum the most also changes, thus the most just reaches to be adjusted the hoisting depth of presser foot component
Purpose, so when upper shaft rotates again, the height that presser foot component can promote just produces change.Whole regulation process is only
The outer end needing user to rotate adjusting rod outside casing can realize, and eliminates and needs to remove casing ability in prior art
The step being adjusted, operates very convenient, time saving and energy saving.
In the regulation presser feet height devices of above-mentioned sewing machine, the lateral surface of described regulating block is arcwall face.
The lateral surface of regulating block is set to arcwall face, owing to the change in location on arcwall face is obvious, works as user
When rotating the outer end of adjusting rod from the fuselage of casing, the lateral surface of regulating block and connecting rod once on limiting section will divide
From, so that the position of connecting pin can successfully produce change, to reach easily the hoisting depth of presser foot component to be carried out
The purpose of regulation.
In the regulation presser feet height devices of above-mentioned sewing machine, the outer end of described adjusting rod connects regulation wheel, institute
Indicate circumferentially arranged with scale on the surface of the regulation wheel stated.
Outside the fuselage of the casing that sewing machine is stretched out in the outer end of adjusting rod, the outer end of adjusting rod connects regulation wheel, directly passes through
Rotating regulation wheel outside the fuselage of casing just can drive adjusting rod to rotate, so that the regulating block on adjusting rod is able to easily
Match the incompatible change in location finally realizing alignment pin with spacing head, to realize the regulation of the hoisting depth to presser foot component.
Additionally, circumferentially arranged scale indicates on the surface of regulation wheel, being easy to user especially can clearly grasp
Regulated quantity, more accurately regulates the hoisting depth of presser feet.
In the regulation presser feet height devices of above-mentioned sewing machine, it is provided with parallel with upper shaft in the fuselage of described casing
Alignment pin, one end that described connecting rod one has limiting section is set on alignment pin, and described connecting rod one and alignment pin socket-connect one
The side of end has the socket part protruded in the form of a ring, and described elastic component is the torsion spring being enclosed within socket part, described torsion spring
One end acts on the sidewall of installation portion, and the other end of torsion spring acts on the other end the company of making that connecting rod one socket-connects with alignment pin
Limiting section on bar one has the trend that swung downward contacts with regulating block all the time.
Use torsion spring as elastic component, outside the socket part of connecting rod one, be socketed torsion spring, make one end of torsion spring act on installation
On the sidewall in portion, the other end of torsion spring acts on the other end of connecting rod one and alignment pin, when user is in the casing of sewing machine
Fuselage outside rotate adjusting rod when making the lateral surface of regulating block away from the downside of spacing head, at the twisting force lower link one of torsion spring
Will rotate and make limiting section swung downward relative to alignment pin, so, the other end of connecting rod one will upwards be put
Dynamic and come one end of drivening rod two by connecting pin and be together swung up so that the position of connecting pin changes, due to even
The position of pin determines the pivot displacement with connecting pin as fulcrum, then the most just reached the lifting to presser foot component high
The purpose that degree conveniently regulates.
In the regulation presser feet height devices of above-mentioned sewing machine, the fuselage inwall of the casing of described sewing machine has
The installation portion protruded in bulk, one end of described alignment pin is fixed in installation portion, and the other end of described alignment pin stretches out
Outer and connecting rod one the one end of installation portion is set on this end of alignment pin.
Owing to alignment pin is extra setting, arranged in block convex by extra on the fuselage inwall of the casing at sewing machine
The installation portion gone out, one end of alignment pin is fixed in installation portion, and the other end of alignment pin stretches out outside installation portion, so that alignment pin
It is able in the fuselage of the casing of sewing machine form location, then connecting rod is once be also able to can be at the machine of sewing machine with connecting rod two
Form location in the fuselage of shell, thus also ensure that the regulation presser feet height devices of this sewing machine is capable of easily to presser feet
The function that the hoisting depth of assembly is adjusted.
In the regulation presser feet height devices of above-mentioned sewing machine, as another kind of technical scheme, described elastic component is for even
The spring being connected in the fuselage of casing, one end of spring is connected in the top inner wall of fuselage, and the other end of spring acts on limit
The upside in position portion.
Make the lateral surface of regulating block away from spacing head when user rotates adjusting rod outside the fuselage of the casing of sewing machine
During downside, the elastic force effect lower link one at spring will rotate relative to alignment pin and make limiting section swung downward, this
Sample one, the other end of connecting rod one will be swung up and come one end of drivening rod two by connecting pin being together swung up,
The position making connecting pin changes, owing to the position of connecting pin determines the pivot displacement with connecting pin as fulcrum,
Adopt the purpose that elastic component in this way can also reach conveniently to regulate the hoisting depth of presser foot component.
In the regulation presser feet height devices of above-mentioned sewing machine, described limiting section has bolt apertures, described spiral shell
Connecing hole female thread and connect limited potential head, the lateral surface of described regulating block is resisted against the downside of spacing head.
By spacing head threaded on limiting section, it is resisted against on the lateral surface of regulating block by the downside of spacing head,
Can make to be formed between regulating block with connecting rod one more stable coordinating, connecting rod one can be made smooth when user rotates adjusting rod
Ground produces corresponding action change.
In the regulation presser feet height devices of above-mentioned sewing machine, be additionally provided with in the fuselage of the casing of described sewing machine from
The compressor arm penetrated outside the surface of the fuselage of casing, the inner of described compressor arm withstands on the upside of spacing head.
The inner of compressor arm is penetrated in the fuselage of casing from the surface of the fuselage of casing, makes the inner top of compressor arm
In the upside of spacing head, simultaneously in conjunction with the elastic force effect of upper torsion spring, it is ensured that connecting rod one has all the time relative to alignment pin rotation
And make the trend being secured against on the downside of spacing head on regulating block lateral surface, then just can be very when user rotates adjusting rod
Easily the hoisting depth of presser foot component is adjusted.
In the regulation presser feet height devices of above-mentioned sewing machine, described drive sleeve has the connecting portion of protrusion, institute
Offering link slot on the connecting portion stated, one end of described drive link is positioned at link slot, and described pivot passes connecting portion
And one end of drive link, and pivot and drive link are by penetrating from one end of drive link and withstand on the locking member shape of pivot sidepiece
Become fixing.
Arranging the connecting portion of protrusion in drive sleeve, connecting portion is offered link slot, one end of drive link is positioned at link slot
In, pivot passes connecting portion and one end of drive link, and utilizes locking member to be formed fixing by pivot and drive link, works as drive sleeve
It is capable of moving forward of drive link by pivot with coordinating of drive link during swing, the most just enables power transmission shaft rotate and carry
Dynamic presser foot component promotes.
Compared with prior art, the regulation presser feet height devices of this sewing machine is by the connection between adjusting rod and connecting rod one
Annexation between relation, connecting rod one and connecting rod two, the annexation between connecting rod two and drive link and drive link and biography
Annexation between moving axis, it is achieved that only need to rotate adjusting rod from the fuselage of the casing of sewing machine just can realize presser feet group
The regulation of the hoisting depth of part so that the regulation of the hoisting depth that presser feet is set up becomes convenient, time saving and energy saving, solves well
Prior art of having determined needs to take the fuselage of the casing of sewing machine apart could be to asking that the hoisting depth of presser foot component is adjusted
Topic.
Accompanying drawing explanation
Fig. 1 is the regulation presser feet height devices of this sewing machine schematic diagram when applying on sewing machine.
Fig. 2 is the schematic diagram of another angle of Fig. 1.
Fig. 3 is Fig. 1 schematic diagram when being not provided with casing.
Fig. 4 is the schematic diagram of another angle of Fig. 3.
Fig. 5 is the regulation presser feet height devices of this sewing machine sectional view when applying on sewing machine.
Fig. 6 is the exploded view of the regulation presser feet height devices of this sewing machine.
Fig. 7 is the exploded view of regulation presser feet another angle of height devices of this sewing machine.
Fig. 8 be this sewing machine regulation presser feet height devices in connection diagram between adjusting rod and connecting rod one.
Fig. 9 be this sewing machine regulation presser feet height devices in the structural representation of adjusting rod and connecting rod one.
In figure, 1, casing；1a, location division；1b, installation portion；2, presser foot component；3, upper shaft；4, power transmission shaft；5, driver
Structure；6, driving member；6a, drive sleeve；6a1, connecting portion；6a2, link slot；6b, drive link；7, pivot；8, locking member；9, transmission
Block；10, adjusting rod；10a, regulating block；11, alignment pin；12, connecting pin；13, connecting rod one；13a, limiting section；13b, bolt apertures；
13c, socket part；14, connecting rod two；15, spacing head；16, regulation wheel；16a, scale indicate；17, torsion spring；18, compressor arm.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the regulation presser feet height devices of a kind of sewing machine, the machine of the casing 1 of sewing machine
It is provided with presser foot component 2 at Tou, is provided with in the fuselage of the casing 1 of sewing machine and is provided with upper shaft 3 vertically, the machine of the casing 1 of sewing machine
There is outside Tou the location division 1a of some protrusions, between each location division 1a, be equipped with the power transmission shaft 4 that can rotate, power transmission shaft 4 with
Upper shaft 3 be arranged in parallel.It is provided with drive mechanism 5 between one end and the presser foot component 2 of power transmission shaft 4, sets between upper shaft 3 and power transmission shaft 4
There is driving member 6.
As shown in Fig. 3, Fig. 4, Fig. 6 and Fig. 7, driving member 6 includes drive sleeve 6a and drive link 6b, and drive sleeve 6a is sheathed on
On axle 3 and drive sleeve 6a is relative to upper shaft 3 eccentric setting, drive sleeve 6a has the connecting portion 6a1 of protrusion, on connecting portion 6a1
Offering link slot 6a2, one end of drive link 6b is positioned at link slot 6a2, pivot 7 through drive link 6b this end and
Connecting portion 6a1, and pivot 7 and drive link 6b is by penetrating from this end of drive link 6b and withstand on locking member 8 shape of pivot 7 sidepiece
Become fixing.Being fixed with drive block 9 on the other end of power transmission shaft 4, the other end of drive link 6b stretches out the fuselage of the casing 1 of sewing machine
Outward and fix with drive block 9.In the present embodiment, locking member 8 can be lock-screw, lock screw or safetied pin
Deng.
As shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the regulation presser feet height devices of this sewing machine includes being arranged at sewing machine
Casing 1 fuselage in adjusting rod 10, alignment pin 11, connecting pin 12, connecting rod 1, connecting rod 2 14 and elastic component, connecting rod
One 13 be arranged in parallel with connecting rod 2 14.There is on the fuselage inwall of the casing 1 of sewing machine the installation portion 1b protruded in bulk, location
One end of pin 11 is fixed in installation portion 1b, and the other end of alignment pin 11 stretches out outside installation portion 1b.One end of connecting rod 1 is sheathed
On alignment pin 11, one end of connecting rod 2 14 socket-connects with pivot 7, and the other end of one end of connecting rod 1 and connecting rod 2 14 is respectively
It is socketed on connecting pin 12.
As shown in Fig. 3, Fig. 4, Fig. 6 and Fig. 7, one end that connecting rod 1 and alignment pin 11 socket-connect have the spacing of protrusion
Portion 13a, limiting section 13a has bolt apertures 13b, and bolt apertures 13b female thread connects limited potential head 15.The inner of adjusting rod 10 from
The fuselage outer side of the casing 1 of sewing machine penetrates in the fuselage of casing 1 of sewing machine, and have in the inner of adjusting rod 10 relative to
The regulating block 10a, regulating block 10a that the eccentric axis of adjusting rod 10 is arranged is positioned at connecting rod 1 and alignment pin 11 and socket-connects one end
Lower section, the outside of regulating block 10a is arcwall face, and the outer end of adjusting rod 10 connects regulation wheel 16, edge on the surface of regulation wheel 16
It is circumferentially with scale and indicates 16a.
As shown in Figure 8 and Figure 9, the socket-connect side of one end of connecting rod 1 and alignment pin 11 has the socket protruded in the form of a ring
Portion 13c, alignment pin 11 is through socket part 13c, and elastic component is the torsion spring 17 being socketed on the 13c of socket part, and one end of torsion spring 17 is made
Being used on the sidewall of installation portion 1b, the other end of torsion spring 17 acts on the other end that connecting rod 1 and alignment pin 11 socket-connect,
And have all the time under the twisting force of torsion spring 17 and to make limiting section 13a swung downward on connecting rod 1 and to make spacing 15 times
Side is resisted against the trend on the lateral surface of regulating block 10a.In the present embodiment, be additionally provided with in the fuselage of the casing 1 of sewing machine from
The compressor arm 18 penetrated outside the surface of the fuselage of casing 1, the inner of compressor arm 18 withstands on the upside of spacing 15.
In addition to using torsion spring 17 as elastic component, it is also possible to select spring effect elastic component, one end of spring is connected
In the top inner wall of the fuselage of casing 1, the other end of spring acts perpendicularly to the upside of limiting section 13a.
Presser foot component 2 is when normally working, by being arranged at the driven by motor upper shaft 3 in the fuselage of the casing 1 of sewing machine
Rotating, owing to drive sleeve 6a is socketed in upper shaft 3 and relative to upper shaft 3 eccentric setting, connecting rod 1 keeps quiet in this condition
Only, then the connecting portion 6a1 in drive sleeve 6a can be driven when upper shaft 3 rotates to produce swing forward or backward, and make pivot 7
It is moved forward or rearward with connecting pin 12 for fulcrum.
And owing to one end and the pivot 7 of drive link 6b are formed fixing, therefore drive link 6b can along with pivot 7 the most forward or
Being moved rearwards by, the other end of drive link 6b fixes with drive block 9, and drive block 9 one end with power transmission shaft 4 again fixes, transmission
Axle 4 is then located between each location division 1a outside the head of casing 1, then drive block 9 will with power transmission shaft 4 for fulcrum forward
Or swing backward, and power transmission shaft 4 is finally driven to occur transmission, power transmission shaft 4 to be able to by drive mechanism 5 to drive presser foot component 2 to carry
Rise or decline.
When utilizing this regulation presser feet height devices to be adjusted the hoisting depth of presser feet, upper shaft 3 stops operating.Use
Person is positioned at the regulation wheel 16 of the fuselage outer side of the casing 1 of sewing machine by rotation, owing to regulation wheel 16 is fixed on adjusting rod 10
Outer end, the inner of adjusting rod 10 has the regulating block 10a arranged relative to the eccentric axis of adjusting rod 10, is connected to connecting rod 1
On spacing 15 on the downside of be resisted against under the twisting force of torsion spring 17 on the lateral surface of regulating block 10a, therefore rotate adjusting rod
10 can make the lateral surface of the regulating block 10a downside with spacing 15 be separated, and lose the regulating block 10a restriction to spacing 15
After effect, one end that connecting rod 1 and alignment pin 11 socket-connect can produce relative to alignment pin 11 rotate and make spacing 15 downward
Swinging, the other end of connecting rod 1 thus produces swing upwards.
The other end socket-connected with alignment pin 11 due to connecting rod 1 is all socketed in connecting pin 12 with one end of connecting rod 2 14
On, and the other end of connecting rod 2 14 and pivot 7 socket-connect, therefore connecting rod 2 14 be socketed in the one end on connecting pin 12 can be with pivot
Axle 7 is that the other end that fulcrum socket-connects along with connecting rod 1 and alignment pin 11 is together swung up, so, and connecting pin 12
Position just there occurs change, and owing to the hoisting depth of presser foot component 2 is by the pivot 7 displacement with connecting pin 12 as fulcrum
Being determined, therefore after the position of connecting pin 12 changes, the pivot 7 displacement with connecting pin 12 as fulcrum is the most also sent out
Raw change, thus the most just reach the purpose that the hoisting depth of presser foot component 2 is adjusted, so when upper shaft 3 rotates again,
The height that presser foot component 2 can promote just produces change.
The regulation presser feet height devices of this sewing machine is by the annexation between adjusting rod 10 and connecting rod 1, connecting rod one
The annexation between annexation, connecting rod 2 14 and drive link 6b between 13 and connecting rod 2 14 and drive link 6b and transmission
Annexation between axle 4, it is achieved that only need to rotate adjusting rod 10 from the fuselage of the casing 1 of sewing machine just can realize presser feet
The regulation of the hoisting depth of assembly 2 so that the regulation of the hoisting depth that presser feet is set up becomes convenient, time saving and energy saving, very well
Solve prior art and need the fuselage of the casing 1 of sewing machine is taken apart and could be adjusted the hoisting depth of presser foot component 2
The problem of joint.And indicate 16a by circumferentially arranged scale on the surface of regulation wheel 16, user can be easy to especially clear
Chu grasps on ground the regulated quantity of the hoisting depth of presser foot component 2, and the hoisting depth enabling presser foot component 2 is precisely controlled.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Claims (9)
1. a regulation presser feet height devices for sewing machine, is provided with presser foot component (2), machine at the head of the casing (1) of sewing machine
It is provided with upper shaft (3) in the fuselage of shell (1) and outside the head of casing (1), is provided with the power transmission shaft (4) paralleled with upper shaft (3),
Drive mechanism (5) it is provided with, between described upper shaft (3) and power transmission shaft (4) between described power transmission shaft (4) one end and presser foot component (2)
It is provided with driving member (6), it is characterised in that this regulation presser feet height devices includes adjusting rod (9), the location that may be contained within fuselage
Sell connecting rod two (13) and elastic component that (10), connecting pin (11), connecting rod one (12) and connecting rod one (12) be arranged in parallel, described
One end of one end of connecting rod one (12) and connecting rod two (13) is socketed on connecting pin (11) respectively, another of described connecting rod one (12)
End is socketed in alignment pin (10) and above and has the limiting section (12a) of protrusion, described adjusting rod (9) on this end of connecting rod one (12)
Outer end stretch out outside fuselage, the inner of adjusting rod (9) have relative to adjusting rod (9) eccentric axis arrange regulating block
(9a), described regulating block (9a) is positioned at connecting rod one (12) and has the lower section of limiting section (12a) one end, and described elastic component acts on even
Bar one (12) is upper and makes limiting section (12a) have the trend on the lateral surface acting on regulating block (9a), described driving member all the time
(6) include eccentric setting drive sleeve (6a) in upper shaft (3), drive link (6b) and be fixed on the drive block on power transmission shaft (4)
(6c), one end that described drive sleeve (6a) is equipped with pivot (7) and drive link (6b) fixes with pivot (7), drive link
(6b) the other end fixes with drive block (6c), the other end that described connecting rod two (13) and connecting pin (11) socket-connect and pivot
(7) socket-connect.
The regulation presser feet height devices of sewing machine the most according to claim 1, it is characterised in that described regulating block (9a)
Lateral surface be arcwall face.
The regulation presser feet height devices of sewing machine the most according to claim 1, it is characterised in that described adjusting rod (9)
Outer end connect and have regulation wheel (15), the surface of described regulation wheel (15) indicates (15a) circumferentially arranged with scale.
4. according to the regulation presser feet height devices of the sewing machine described in claim 1 or 2 or 3, it is characterised in that described sewing
Having the installation portion (1b) protruded in bulk on the fuselage inwall of the casing (1) of machine, one end of described alignment pin (10) is fixed
In installation portion (1b), the other end of described alignment pin (10) stretches out installation portion (1b), and outward and one end of connecting rod one (12) is sheathed
On this end of alignment pin (10).
The regulation presser feet height devices of sewing machine the most according to claim 1, it is characterised in that described connecting rod one (12)
Having, with the socket-connect side of one end of alignment pin (10), the socket part (12c) protruded in the form of a ring, described socket part (12c) is enclosed within
On alignment pin (10), described elastic component is the torsion spring (16) being enclosed within socket part (12c), and one end of described torsion spring (16) is made
Being used on the sidewall of installation portion (1b), it is another with what alignment pin (10) socket-connected that the other end of torsion spring (16) acts on connecting rod one (12)
One end also makes the limiting section (12a) on connecting rod one (12) have the trend that swung downward contacts with regulating block (9a) all the time.
The regulation presser feet height devices of sewing machine the most according to claim 1, it is characterised in that described elastic component is for even
Being connected to the spring in the fuselage of casing (1), one end of spring is connected in the top inner wall of fuselage, and the other end of spring acts on
The upside of limiting section (12a).
7. according to the regulation presser feet height devices of the sewing machine described in claim 1 or 2 or 3, it is characterised in that described is spacing
Having bolt apertures (12b) in portion (12a), described bolt apertures (12b) female thread connects limited potential head (14), described regulating block
(9a) lateral surface is resisted against the downside of spacing head (14).
8. according to the regulation presser feet height devices of the sewing machine described in claim 1 or 2 or 3, it is characterised in that described sewing
The compressor arm (17) penetrated from the surface of the fuselage of casing (1), described compression it is additionally provided with in the fuselage of the casing (1) of machine
The inner of bar (17) withstands on the upside of spacing head (14).
9. according to the regulation presser feet height devices of the sewing machine described in claim 1 or 2 or 3, it is characterised in that described transmission
There is on set (6a) connecting portion (6a1) of protrusion, described connecting portion (6a1) offers link slot (6a2), described transmission
One end of bar (6b) is positioned at link slot (6a2), and described pivot (7) passes connecting portion (6a1) and the one of drive link (6b)
End, and pivot (7) and drive link (6b) are by penetrating from one end of drive link (6b) and withstand on the locking member of pivot (7) sidepiece
(8) formation is fixing.
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| CN201610850296.5A CN106192229B (en) | 2016-09-26 | 2016-09-26 | Presser foot height adjusting device of sewing machine |
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| CN106192229B CN106192229B (en) | 2022-06-28 |
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| CN204644612U (en) * | 2015-04-27 | 2015-09-16 | 新通宇缝纫机股份有限公司 | A kind of height adjusting mechanism of presser foot of Sewing machines |
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| CN206070129U (en) * | 2016-09-26 | 2017-04-05 | 浙江中捷缝纫科技有限公司 | A kind of regulation presser feet height devices of sewing machine |
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| JP5353338B2 (en) * | 2009-03-16 | 2013-11-27 | 株式会社鈴木製作所 | 1 thread lock sewing hand stitch sewing machine |
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| CN106192229B (en) | 2022-06-28 |
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Effective date of registration: 20200927 Address after: 198 Xinggang East Road, Damaiyu street, Yuhuan City, Taizhou City, Zhejiang Province Applicant after: ZOJE SEWING MACHINE Co.,Ltd. Address before: 317604, Taizhou, Zhejiang province Yuhuan County barley island Street Hing Tung Road, No. 198 Applicant before: ZOJE SEWING MACHINE Co.,Ltd. Applicant before: ZHEJIANG JOYEE SEWING MACHINE Co.,Ltd. Applicant before: ZHEJIANG BSM SEWING MACHINE Co.,Ltd. |
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Denomination of invention: A device for adjusting presser foot height of sewing machine Effective date of registration: 20221211 Granted publication date: 20220628 Pledgee: Bank of China Limited Yuhuan sub branch Pledgor: ZOJE SEWING MACHINE Co.,Ltd. Registration number: Y2022330003545 |
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