CN209428730U - Thread clamping mechanism and sewing machine with it - Google Patents
Thread clamping mechanism and sewing machine with it Download PDFInfo
- Publication number
- CN209428730U CN209428730U CN201822272179.2U CN201822272179U CN209428730U CN 209428730 U CN209428730 U CN 209428730U CN 201822272179 U CN201822272179 U CN 201822272179U CN 209428730 U CN209428730 U CN 209428730U
- Authority
- CN
- China
- Prior art keywords
- thread
- clamping mechanism
- wire
- clamp
- connection structure
- 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.)
- Active
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model provides a kind of thread clamping mechanism and the sewing machine with it.Wherein, thread clamping mechanism includes: wire-clamping device, is arranged on to wire-clamping device, and wire-clamping device includes two clamps and thread tension releasing disc, and thread tension releasing disc has abutting state and discrete state；Connection structure is arranged on to wire-clamping device and connect with thread tension releasing disc；Electromagnetic assembly, including electromagnet core and actuation portion, electromagnet core are connect with connection structure；It is powered to electromagnetic assembly, electromagnet core moves through the direction that connection structure drives thread tension releasing disc to be directed away from clamp towards actuation portion and moves, and thread tension releasing disc is in discrete state, and thread clamping mechanism is in loose ends state；It is powered off to electromagnetic assembly, the direction that electromagnet core is directed away from actuation portion moves through connection structure and thread tension releasing disc is driven to move towards clamp, and thread tension releasing disc is in abutting state, and thread clamping mechanism is in clamp state.The problem of the utility model solves thread clamping mechanism in the prior art, and structure is complicated, leads to inconvenient maintenance.
Description
Technical field
The utility model relates to stitch machine technical fields, in particular to a kind of thread clamping mechanism and with its seam
It threads machine.
Background technique
Currently, the thread clamping mechanism of sewing machine by trimming electromagnet drive tension disk clamp, by clamp steel wire respectively with
Clamp hinge on slide block guide rail component is connected with trimming electromagnet clutch crank.However, the structure of above-mentioned thread clamping mechanism
Complexity, maintenance, replacement and assembly are more inconvenient, increase the labor intensity of staff.
Utility model content
The main purpose of the utility model is to provide a kind of thread clamping mechanism and with its sewing machine, to solve existing skill
The problem of structure is complicated for thread clamping mechanism in art, causes maintenance, replacement and assembly more inconvenient, increases user's labor intensity.
To achieve the goals above, one aspect according to the present utility model provides a kind of thread clamping mechanism, comprising: folder
Line apparatus, wire-clamping device are arranged on to wire-clamping device, and wire-clamping device includes two clamps and thread tension releasing disc being oppositely arranged, pine
Line plate has the discrete state for abutting the abutting state of one of clamp and separating with the clamp；Connection structure,
Connection structure is movably disposed in on wire-clamping device, to connect with thread tension releasing disc；Electromagnetic assembly, electromagnetic assembly include electromagnet
Iron core and actuation portion, electromagnet core are connect with connection structure；When being powered to electromagnetic assembly, electromagnet core is towards actuation portion
Movement is moved with the direction for driving thread tension releasing disc to be directed away from clamp by connection structure, so that thread tension releasing disc is in discrete state,
Until electromagnet core and actuation portion are attracted, thread clamping mechanism is in loose ends state；When being powered off to electromagnetic assembly, electromagnet core
It is directed away from the direction movement in actuation portion, to drive thread tension releasing disc to move towards clamp by connection structure, so that at thread tension releasing disc
In the state of abutting, until electromagnet core and actuation part are from thread clamping mechanism is in clamp state.
Further, electromagnetic assembly further include: shell, shell are connect with to wire-clamping device, and actuation portion is located in shell, electricity
Pole core is movably coupled with shell, and actuation portion is between electromagnet core and wire-clamping device, when logical to electromagnetic assembly
When electric, electromagnet core is moved towards wire-clamping device, to be attracted with actuation portion.
Further, electromagnetic assembly further include: mounting plate is arranged on the outer surface to wire-clamping device, and shell passes through peace
Loading board is connect with to wire-clamping device, and mounting plate has the first via hole passed through for part electromagnet core or connection structure, so that
Connection structure is threaded through in wire-clamping device.
Further, connection structure is threadedly coupled or is clamped with electromagnet core or connect by fastener.
Further, two clamps include the first clamp and the second clamp, and the second clamp is located at the first clamp
Between plate and thread tension releasing disc；When being powered to electromagnetic assembly, electromagnet core is moved towards actuation portion, to be driven by connection structure
Thread tension releasing disc is directed away from the direction movement of the second clamp, so that thread clamping mechanism is in loose ends state.
Further, electromagnet core has the mounting portion for mounting connection structure, and actuation portion has wears for mounting portion
The second via hole crossed, thread clamping mechanism further include: stop configurations are arranged on mounting portion, and electromagnet core drives stop configurations edge
The center line of second via hole slides, and stop configurations have the stop dog position with actuation portion limit stops, to prevent mounting portion from the
Abjection in two via holes.
Further, thread clamping mechanism further includes locking member, and mounting portion is cavernous structure, and connection structure includes: connecting-rod body,
One end of connecting-rod body and the tension releasing pin of wire-clamping device connect；The other end of interconnecting piece, connecting-rod body is connect with interconnecting piece, connection
Portion protrudes into cavernous structure and is threadedly coupled with cavernous structure, and locking member is locked on interconnecting piece, to interconnecting piece and mounting portion
It is locked.
Further, thread clamping mechanism further include: gasket, gasket is arranged between stop configurations and locking member, to locking
Part carries out limit stops.
Another aspect according to the present utility model provides a kind of sewing machine, including casing and the folder being arranged on casing
Line mechanism, casing are to wire-clamping device；Wherein, thread clamping mechanism is above-mentioned thread clamping mechanism.
Further, loose ends retaining ring is provided in the connection structure of thread clamping mechanism, sewing machine further includes thread releasing mechanism, loose ends
Mechanism includes: that compression bar promotes spanner；Cam, compression bar promotes spanner and connect with cam, to drive cam to rotate；Lift crank, with
Cam connection, to make lift crank push loose ends retaining ring, and drive loose ends retaining ring by rotating cam driven lift crank
The thread tension releasing disc of connection structure and thread clamping mechanism is directed away from the direction movement of the clamp of thread clamping mechanism, so that the folder of thread clamping mechanism
Line apparatus is in loose ends state.
Using the technical solution of the utility model, thread clamping mechanism includes wire-clamping device, connection structure and electromagnetic assembly.Its
In, wire-clamping device is arranged on to wire-clamping device, and wire-clamping device includes two clamps and thread tension releasing disc being oppositely arranged, thread tension releasing disc
With the abutting state for abutting one of clamp and the discrete state separated with the clamp.Connection structure is movable
Ground is arranged on to wire-clamping device, to connect with thread tension releasing disc.Electromagnetic assembly includes electromagnet core and actuation portion, electromagnet core
It is connect with connection structure.In this way, be powered when needing to carry out thread-changing or trimming is operated to electromagnetic assembly, electromagnet core direction
The movement of actuation portion is moved with the direction for driving thread tension releasing disc to be directed away from clamp by connection structure, is divided so that thread tension releasing disc is in
From state, until electromagnet core and actuation portion are attracted, thread clamping mechanism is in loose ends state, staff be able to carry out thread-changing or
Trimming operation；It when needing thread clamping mechanism to be clamped sewing line, is powered off to electromagnetic assembly, electromagnet core is directed away from suction
The direction in conjunction portion moves, to drive thread tension releasing disc to move towards clamp by connection structure, so that thread tension releasing disc is in abutting state,
Until electromagnet core and actuation part are from thread clamping mechanism is in clamp state.
Wire holding machine compared with carrying out loose ends, clamp operation by the way of clamp steel wire in the prior art, in the application
The structure of structure is simple, is easily worked, replaces, repairs and dismounts, and then solves thread clamping mechanism in the prior art structure is complicated,
The problem of causing maintenance, replacement and assembly more inconvenient, increasing user's labor intensity.
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:
The stereochemical structure that the embodiment that Fig. 1 shows thread clamping mechanism according to the present utility model is applied to sewing machine is illustrated
Figure；
Fig. 2 shows the schematic perspective views that the thread clamping mechanism in Fig. 1 is applied to another angle of sewing machine；
Fig. 3 shows the thread clamping mechanism in Fig. 1 and the schematic perspective view after thread releasing mechanism assembly；
Fig. 4 shows the thread clamping mechanism in Fig. 3 and the cross-sectional view after thread releasing mechanism assembly；
Fig. 5 shows the schematic perspective view of the lift crank of the thread releasing mechanism in Fig. 3；And
Fig. 6 shows the schematic perspective view of the loose ends retaining ring of the sewing machine in Fig. 1.
Wherein, the above drawings include the following reference numerals:
10, wire-clamping device；11, clamp；111, the first clamp；112, the second clamp；12, thread tension releasing disc；13, loose ends
Nail；20, to wire-clamping device；30, connection structure；31, interconnecting piece；32, loose ends retaining ring；321, retaining ring inclined-plane；33, connecting-rod body；
40, electromagnetic assembly；41, electromagnet core；411, mounting portion；42, actuation portion；421, the second via hole；43, shell；44, it installs
Plate；441, the first via hole；50, locking member；60, stop configurations；70, gasket；80, thread releasing mechanism；81, compression bar promotes spanner；82,
Cam；83, lift crank；831, crank bottom surface；832, notch；833, crank inclined-plane.
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.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is usually to be directed to
For direction shown in the drawings, or on vertical, vertical or gravity direction；Similarly, for ease of understanding
And description, " left and right " is usually for shown in the drawings left and right；" inside and outside " refers to the profile relative to each component itself
It is inside and outside, but the above-mentioned noun of locality is not intended to limit the utility model.
In order to solve thread clamping mechanism in the prior art, structure is complicated, causes maintenance, replacement and assembly more inconvenient, increases
The problem of having added user's labor intensity, the problem of increasing user's labor intensity, this application provides a kind of thread clamping mechanism and tools
There is its sewing machine.
As shown in Figures 1 to 4, thread clamping mechanism includes wire-clamping device 10, connection structure 30 and electromagnetic assembly 40.Wherein, it presss from both sides
Line apparatus 10 is arranged on to wire-clamping device 20, and wire-clamping device 10 includes two clamps 11 and thread tension releasing disc 12 being oppositely arranged,
Thread tension releasing disc 12 has the abutting state and the discrete state isolated with the clamp 11 for abutting one of clamp 11.Even
Binding structure 30 is movably disposed in on wire-clamping device 20, to connect with thread tension releasing disc 12.Electromagnetic assembly 40 includes electromagnet iron
Core 41 and actuation portion 42, electromagnet core 41 are connect with connection structure 30；When being powered to electromagnetic assembly 40, electromagnet core 41
It moves towards actuation portion 42, is moved with the direction for driving thread tension releasing disc 12 to be directed away from clamp 11 by connection structure 30, so that
Thread tension releasing disc 12 is in discrete state, until electromagnet core 41 and actuation portion 42 are attracted, thread clamping mechanism is in loose ends state；When giving
When electromagnetic assembly 40 powers off, electromagnet core 41 is directed away from the direction movement in actuation portion 42, to be driven by connection structure 30
Thread tension releasing disc 12 is moved towards clamp 11, so that thread tension releasing disc 12 is in abutting state, until electromagnet core 41 and actuation portion 42
Separation, thread clamping mechanism are in clamp state.
Using the technical solution of the present embodiment, when needing to carry out thread-changing or trimming operates, it is powered to electromagnetic assembly 40, electricity
Pole core 41 is moved towards actuation portion 42, to be directed away from the direction of clamp 11 by the drive thread tension releasing disc 12 of connection structure 30
Movement, so that thread tension releasing disc 12 is in discrete state, until electromagnet core 41 and actuation portion 42 are attracted, thread clamping mechanism is in loose ends
State, staff are able to carry out thread-changing or trimming operation；When needing thread clamping mechanism to be clamped sewing line, electromagnetism group is given
Part 40 powers off, and electromagnet core 41 is directed away from the direction movement in actuation portion 42, to drive thread tension releasing disc 12 by connection structure 30
It is moved towards clamp 11, so that thread tension releasing disc 12 is in abutting state, until electromagnet core 41 is separated with actuation portion 42, clamp
Mechanism is in clamp state.
Clamp compared with carrying out loose ends, clamp operation by the way of clamp steel wire in the prior art, in the present embodiment
The structure of mechanism is simple, is easily worked, replaces, repairs and dismounts, and then the structure for solving thread clamping mechanism in the prior art is multiple
It is miscellaneous, the problem of causing maintenance, replacement and assembly more inconvenient, increase user's labor intensity.
In the present embodiment, thread clamping mechanism eliminates clamp steel wire and clamp hinge, largely reduces subsequent dimension
The difficulty repaired, and thread clamping mechanism can make the end of a thread length after trimming more stable.
As shown in Figure 3 and Figure 4, electromagnetic assembly 40 further includes shell 43.Wherein, shell 43 is connect with to wire-clamping device 20,
Actuation portion 42 is located in shell 43, and electromagnet core 41 is movably coupled with shell 43, and actuation portion 42 is located at electromagnet core
Between 41 and wire-clamping device 10, when to electromagnetic assembly 40 be powered when, electromagnet core 41 towards wire-clamping device 10 move, with suction
Conjunction portion 42 is attracted.In this way, above-mentioned setting so that the structure of electromagnetic assembly 40 is simpler, is easily worked, realizes.Meanwhile shell
43 can protect electromagnet core 41 and actuation portion 42, extend the service life of thread clamping mechanism.
Specifically, it when needing to carry out thread-changing or trimming, is powered to electromagnetic assembly 40, electromagnet core 41 is towards actuation portion
42 movements, then electromagnet core 41 drives connection structure 30 and connect the movement of clamp 11 with connection structure 30, so that the clamp
Plate 11 is separated with another clamp 11, then sewing line positioned there between can free movement, user is then able to carry out and changes
Line or trimming operation, thread clamping mechanism are in loose ends state.When needing thread clamping mechanism to be clamped sewing line, electromagnetic assembly is given
40 power-off, electromagnet core 41 be directed away from actuation portion 42 direction movement, then electromagnet core 41 drive connection structure 30 and
The movement of clamp 11 is connect with connection structure 30, so that the clamp 11 and another clamp 11 are close to and to positioned at the two
Between sewing line be clamped, thread clamping mechanism is in clamp state.
As shown in Figure 3 and Figure 4, electromagnetic assembly 40 further includes mounting plate 44.Wherein, mounting plate 44 is arranged to wire-clamping device
On 20 outer surface, shell 43 is connect by mounting plate 44 with to wire-clamping device 20, and mounting plate 44 has for part electromagnet iron
The first via hole 441 that core 41 or connection structure 30 pass through, so that connection structure 30 is threaded through in wire-clamping device 20.
In the present embodiment, connection structure 30 is connected through a screw thread with electromagnet core 41.In this way, above-mentioned setting is on the one hand
So that the dismounting of connection structure 30 and electromagnet core 41 is more easier, is easy, reduces user and dismount difficulty；On the other hand make
The adjustment of the coupling part of connection structure 30 and electromagnet core 41 is more easier, is easy, with two clamps 11 of adjustment it
Between spacing, to be clamped to various sizes of sewing line.
It should be noted that connection structure 30 and the connection type of electromagnet core 41 are without being limited thereto.Optionally, connection knot
Structure 30 is clamped with electromagnet core 41 or is connect by fastener.In this way, above-mentioned connection type makes connection structure 30 and electromagnetism
The dismounting of iron iron core 41 is more easier, is easy, reduces dismounting difficulty.
As shown in figure 4, two clamps 11 include the first clamp 111 and the second clamp 112, the second clamp 112
Between the first clamp 111 and thread tension releasing disc 12；When being powered to electromagnetic assembly 40, electromagnet core 41 is towards actuation portion 42
Movement is moved with the direction for driving thread tension releasing disc 12 to be directed away from the second clamp 112 by connection structure 30, so that thread clamping mechanism
In loose ends state.In this way, connection structure 30 drives thread tension releasing disc 12 to be directed away from the second clamp when being powered to electromagnetic assembly 40
112 direction movement, so that thread tension releasing disc 12 is no longer abutted with the second clamp 112, then the first clamp 111 and the second clamp
Adjustable interval between 112, and then realize the loose ends or gripping action of wire-clamping device 10, and then guarantee the operation of thread clamping mechanism
Reliability.
As shown in figure 4, electromagnet core 41 has the mounting portion 411 for mounting connection structure 30, actuation portion 42 has
For the second via hole 421 that mounting portion 411 passes through, thread clamping mechanism further includes stop configurations 60.Wherein, the setting of stop configurations 60 is being pacified
In dress portion 411, electromagnet core 41 drives stop configurations 60 to slide along the center line of the second via hole 421, and stop configurations 60 have
With the stop dog position of 42 limit stops of actuation portion, to prevent mounting portion 411 from deviating from out of second via hole 421.In this way, in electromagnet
For iron core 41 relative in 42 motion process of actuation portion, the above-mentioned setting of stop configurations 60 guarantees electromagnet core 41 and actuation portion 42
It will not be mutually disengaged, and then improve the operational reliability of thread clamping mechanism.
Specifically, mounting portion 411 can slide in the second via hole 421 and the first via hole 441, to realize electromagnet core
It actuation between 41 and actuation portion 42 and separates, and then realizes the clamp state of thread clamping mechanism and the free switching of loose ends state.
During electromagnet core 41 is separated with actuation portion 42, stop configurations 60 can with 42 limit stops of actuation portion, to prevent electricity
Pole core 41 and actuation portion 42 are mutually disengaged and influence the actuation of electromagnet core 41 Yu actuation portion 42.
As shown in figure 4, thread clamping mechanism further includes locking member 50, mounting portion 411 is cavernous structure, and connection structure 30 includes connecting
Extension bar body 33 and interconnecting piece 31.Wherein, one end of connecting-rod body 33 is connect with the tension releasing pin 13 of wire-clamping device 10.Connecting-rod body 33
The other end connect with interconnecting piece 31, interconnecting piece 31 is protruded into cavernous structure and is threadedly coupled with cavernous structure, the lock of locking member 50
Tightly on interconnecting piece 31, to be locked to interconnecting piece 31 and mounting portion 411.In this way, interconnecting piece 31 is protruded into cavernous structure
Afterwards, so that interconnecting piece 31 is threadedly coupled with mounting portion 411.And then interconnecting piece 31 is locked using locking member 50, into one
Step improves the stable connection of interconnecting piece 31 Yu mounting portion 411, guarantee electromagnet core 41 be able to drive connection structure 30 into
Row sliding.
Specifically, the above-mentioned connection type of mounting portion 411 and interconnecting piece 31 make electromagnet core 41 and interconnecting piece 31 it
Between the adjustment of relative position be more easier, be easy, but also the adjustment of the loose ends amount of wire-clamping device 10 is more easier, is easy.
As shown in Figure 3 and Figure 4, thread clamping mechanism further includes gasket 70.Wherein, the setting of gasket 70 is in stop configurations 60 and locking
Between part 50, to carry out limit stops to locking member 50.In this way, the gasket 70 being arranged between locking nut and stop configurations 60
It can prevent locking nut from influencing the dismounting of interconnecting piece 31 Yu mounting portion 411 in stop configurations 60.
Optionally, stop configurations 60 are made of plastic material.
Optionally, locking member 50 is locking nut.
In the present embodiment, the size of gasket 70 is greater than the size of locking nut, and stop configurations 60 have for mounting portion 411
The third via hole passed through.In this way, above-mentioned setting is capable of increasing the contact area between locking nut and stop configurations 60, and then keep away
Exempt from locking nut to fall into the third via hole of stop configurations 60, and then promotes the structural reliability of clamping-line structure.
As depicted in figs. 1 and 2, present invention also provides a kind of sewing machines, including casing and the clamp being arranged on casing
Mechanism, casing are to wire-clamping device 20；Wherein, thread clamping mechanism is above-mentioned thread clamping mechanism.
As shown in figure 3, being provided with loose ends retaining ring 32 in the connection structure 30 of thread clamping mechanism, sewing machine further includes thread releasing mechanism
80, thread releasing mechanism 80 includes that compression bar promotes spanner 81, cam 82 and lift crank 83.Wherein, compression bar promotes spanner 81 and cam
82 connections, to drive cam 82 to rotate.Lift crank 83 is connect with cam 82, by making cam 82 drive 83 turns of lift crank
It is dynamic, so that lift crank 83 is pushed loose ends retaining ring 32, and make the thread tension releasing disc of the drive connection structure 30 of loose ends retaining ring 32 and thread clamping mechanism
12 are directed away from the direction movement of the clamp 11 of thread clamping mechanism, so that the wire-clamping device 10 of thread clamping mechanism is in loose ends state.
In this way, wire-clamping device 10 is in clamp state when sewing machine is in shutdown off-position, then by operating thread releasing mechanism 80,
To be adjusted to wire-clamping device 10, so that wire-clamping device 10 is in loose ends state, then user can carry out thread-changing to sewing line
Operation.It is used in this way, can be realized auxiliary between thread releasing mechanism 80 and thread clamping mechanism, and the two is mutually indepedent, is independent of each other.
As shown in Figure 3, Figure 5 and Figure 6, loose ends retaining ring 32 has retaining ring inclined-plane 321, and lift crank 83 has crank bottom surface
831, notch 832 and crank inclined-plane 833.The arc surface of cam 82 is contacted with the crank bottom surface 831 of lift crank 83, cam 82
One end promotes spanner 81 equipped with compression bar, pulls compression bar and promotes spanner 81 so that 82 pushing tow lift crank 83 of cam, so as to be promoted bent
Handle 83 rotates, and the crank inclined-plane 833 of lift crank 83 is contacted with the retaining ring inclined-plane 321 of loose ends retaining ring 32.At 83 turns of lift crank
During dynamic, by 833 pushing tow loose ends retaining ring 32 of crank inclined-plane, to realize that loose ends retaining ring 32 drives connection structure 30 and thread tension releasing disc
12 are directed away from the direction movement of clamp 11, so that wire-clamping device 10 is in loose ends state.Wherein, notch 832 can prevent
The normal use of sewing machine is interfered and influence during rotation to lift crank 83 with 30 recurring structure of connection structure.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
When needing to carry out thread-changing or trimming operates, it is powered to electromagnetic assembly, electromagnet core is moved towards actuation portion, with
It is moved by the direction that connection structure drives thread tension releasing disc to be directed away from clamp, so that thread tension releasing disc is in discrete state, until electricity
Pole core and actuation portion are attracted, and thread clamping mechanism is in loose ends state, and staff is able to carry out thread-changing or trimming operation；When need
It when thread clamping mechanism being wanted to be clamped sewing line, is powered off to electromagnetic assembly, electromagnet core is directed away from the direction fortune in actuation portion
It is dynamic, to drive thread tension releasing disc to move towards clamp by connection structure, so that thread tension releasing disc is in abutting state, until electromagnet iron
Core and actuation part are from thread clamping mechanism is in clamp state.
Wire holding machine compared with carrying out loose ends, clamp operation by the way of clamp steel wire in the prior art, in the application
The structure of structure is simple, is easily worked, replaces, repairs and dismounts, and then solves thread clamping mechanism in the prior art structure is complicated,
The problem of causing maintenance, replacement and assembly more inconvenient, increasing user's labor intensity.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model a part, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The range of the utility model protection all should belong in the every other embodiment obtained.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
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 thread clamping mechanism characterized by comprising
Wire-clamping device (10), the wire-clamping device (10) are arranged on to wire-clamping device (20), and the wire-clamping device (10) includes
Two clamps (11) being oppositely arranged and thread tension releasing disc (12), the thread tension releasing disc (12) have for abutting one of them described folder
The abutting state of line plate (11) and the discrete state separated with the clamp (11)；
Connection structure (30), the connection structure (30) be movably disposed in it is described on wire-clamping device (20), with it is described
Thread tension releasing disc (12) connection；
Electromagnetic assembly (40), the electromagnetic assembly (40) include electromagnet core (41) and actuation portion (42), the electromagnet iron
Core (41) is connect with the connection structure (30)；When being powered to the electromagnetic assembly (40), electromagnet core (41) court
It is moved to the actuation portion (42), to drive the thread tension releasing disc (12) to be directed away from the clamp by connection structure (30)
(11) direction movement, so that the thread tension releasing disc (12) is in the discrete state, until the electromagnet core (41) and institute
Actuation portion (42) actuation is stated, the thread clamping mechanism is in loose ends state；When being powered off to the electromagnetic assembly (40), the electromagnetism
Iron iron core (41) is directed away from the direction movement of the actuation portion (42), to drive the loose ends by the connection structure (30)
Plate (12) is moved towards the clamp (11), so that the thread tension releasing disc (12) is in the abutting state, until the electromagnetism
Iron iron core (41) is separated with the actuation portion (42), and the thread clamping mechanism is in clamp state.
2. thread clamping mechanism according to claim 1, which is characterized in that the electromagnetic assembly (40) further include:
Shell (43), the shell (43) connect with described to wire-clamping device (20), and the actuation portion (42) is located at the shell
(43) in, the electromagnet core (41) is movably coupled with the shell (43), and the actuation portion (42) is located at the electricity
Between pole core (41) and the wire-clamping device (10), when being powered to the electromagnetic assembly (40), the electromagnet core
(41) it is moved towards the wire-clamping device (10), to be attracted with the actuation portion (42).
3. thread clamping mechanism according to claim 2, which is characterized in that the electromagnetic assembly (40) further include:
Mounting plate (44) is arranged on the outer surface to wire-clamping device (20), and the shell (43) passes through the mounting plate
(44) it is connect with described to wire-clamping device (20), the mounting plate (44) has for the part electromagnet core (41) or described
The first via hole (441) that connection structure (30) passes through so that the connection structure (30) be threaded through it is described to wire-clamping device (20)
It is interior.
4. thread clamping mechanism according to claim 1, which is characterized in that the connection structure (30) and the electromagnet core
(41) it is threadedly coupled or is clamped or connected by fastener.
5. thread clamping mechanism according to claim 2, which is characterized in that two clamps (11) include the first clamp
(111) and the second clamp (112), second clamp (112) are located at first clamp (111) and the thread tension releasing disc
(12) between；When being powered to the electromagnetic assembly (40), the electromagnet core (41) moves towards actuation portion (42), with logical
The direction movement that the connection structure (30) drive the thread tension releasing disc (12) to be directed away from second clamp (112) is crossed, with
The thread clamping mechanism is set to be in the loose ends state.
6. thread clamping mechanism according to claim 5, which is characterized in that the electromagnet core (41) has for installing
The mounting portion (411) of connection structure (30) is stated, the actuation portion (42) has the second via hole passed through for the mounting portion (411)
(421), the thread clamping mechanism further include:
Stop configurations (60) are arranged on the mounting portion (411), and the electromagnet core (41) drives the stop configurations
(60) it is slided along the center line of second via hole (421), the stop configurations (60) have to be limited with the actuation portion (42)
The stop dog position of backstop, to prevent the mounting portion (411) abjection out of described second via hole (421).
7. thread clamping mechanism according to claim 6, which is characterized in that the thread clamping mechanism further includes locking member (50), institute
Stating mounting portion (411) is cavernous structure, and the connection structure (30) includes:
Connecting-rod body (33), one end of the connecting-rod body (33) are connect with the tension releasing pin (13) of the wire-clamping device (10)；
The other end of interconnecting piece (31), the connecting-rod body (33) is connect with the interconnecting piece (31), and the interconnecting piece (31) is stretched
Enter in the cavernous structure and be threadedly coupled with the cavernous structure, the locking member (50) is locked at the interconnecting piece (31)
On, to be locked to the interconnecting piece (31) and the mounting portion (411).
8. thread clamping mechanism according to claim 7, which is characterized in that the thread clamping mechanism further include:
Gasket (70), the gasket (70) is arranged between the stop configurations (60) and the locking member (50), to described
Locking member (50) carries out limit stops.
9. a kind of sewing machine, which is characterized in that including casing and setting thread clamping mechanism on the housing, the casing be to
Wire-clamping device (20)；Wherein, the thread clamping mechanism is thread clamping mechanism described in any item of the claim 1 to 8.
10. sewing machine according to claim 9, which is characterized in that be arranged in the connection structure (30) of the thread clamping mechanism
Have loose ends retaining ring (32), the sewing machine further includes thread releasing mechanism (80), and the thread releasing mechanism (80) includes:
Compression bar promotes spanner (81)；
Cam (82), the compression bar promote spanner (81) and connect with the cam (82), to drive the cam (82) to rotate；
Lift crank (83) is connect with the cam (82), by making the cam (82) to drive the lift crank (83)
Rotation makes the lift crank (83) to push the loose ends retaining ring (32), and the loose ends retaining ring (32) is made to drive the connection
The thread tension releasing disc (12) of structure (30) and the thread clamping mechanism is directed away from the direction movement of the clamp (11) of the thread clamping mechanism,
So that the wire-clamping device (10) of the thread clamping mechanism is in loose ends state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272179.2U CN209428730U (en) | 2018-12-30 | 2018-12-30 | Thread clamping mechanism and sewing machine with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272179.2U CN209428730U (en) | 2018-12-30 | 2018-12-30 | Thread clamping mechanism and sewing machine with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209428730U true CN209428730U (en) | 2019-09-24 |
Family
ID=67975053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822272179.2U Active CN209428730U (en) | 2018-12-30 | 2018-12-30 | Thread clamping mechanism and sewing machine with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209428730U (en) |
-
2018
- 2018-12-30 CN CN201822272179.2U patent/CN209428730U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109417234A (en) | Lock earthing clamp | |
| CN109311170A (en) | Clamping device and the package system for having the clamping device | |
| EP2591284B1 (en) | Torch with a battery cartridge | |
| US20110174859A1 (en) | Quick-clamping mechanism for electric hammer | |
| CN209428730U (en) | Thread clamping mechanism and sewing machine with it | |
| CN105428109A (en) | Two-position change-over switch | |
| CN107732569B (en) | A kind of auxiliary plug plug machine people | |
| CN110102950A (en) | Vehicle body clamping and positioning device suitable for car body welding producing line | |
| CN205149420U (en) | Fitting of tyre and extracting tool | |
| PL146832B1 (en) | Apparatus for attaching hook-up elements to sausages | |
| CN110113929B (en) | Electronic information board fixing device capable of being quickly disassembled and assembled | |
| DE212015000299U1 (en) | Trolley of golf ball bags | |
| CN212506269U (en) | Clamp and pile extractor | |
| EP3199307A1 (en) | Synchronizing and breaking mechanism for gripper jaws | |
| US7525070B2 (en) | Household appliance hinge with two hinged panels | |
| CN209633067U (en) | It is a kind of can adjust interambulacrum away from sucked type handgrip | |
| US3756064A (en) | Hand-operated plier-like tools | |
| CN108323451B (en) | A kind of anti-tuck ear tag clamp | |
| CN104786230A (en) | Flexible clamping claw | |
| CN214753381U (en) | Wire clamping device and winding machine | |
| CN207441605U (en) | A kind of combined floodgate ready device of circuit breaker operation mechanism | |
| CN209855399U (en) | Inside and outside adjustment mechanism of intelligence lock | |
| CN209651377U (en) | A kind of anticollision clip tool | |
| CN112690845A (en) | Deep stitching instrument and deep stitching assembly | |
| CN217859798U (en) | Pin installation device based on spring screens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |