CN209456684U - A kind of sewing machine with hooking thread clamping mechanism - Google Patents
A kind of sewing machine with hooking thread clamping mechanism Download PDFInfo
- Publication number
- CN209456684U CN209456684U CN201920124738.7U CN201920124738U CN209456684U CN 209456684 U CN209456684 U CN 209456684U CN 201920124738 U CN201920124738 U CN 201920124738U CN 209456684 U CN209456684 U CN 209456684U
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- Prior art keywords
- hooking
- strip
- head
- hole
- bar
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- 238000009958 sewing Methods 0.000 title claims abstract description 39
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 28
- 238000002788 crimping Methods 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 32
- 238000013016 damping Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model belongs to technical field of sewing machines, refers in particular to a kind of sewing machine with hooking thread clamping mechanism.It include head, the hooking bar being obliquely installed is slidably connected on the chin of the head, the lower end of hooking bar extends out to except head and is provided with hooking knife, hooking bar is by the axial inside and outside sliding of driving mechanism drives edge hooking bar and then drive hooking knife carries out hooking, reed mounting plate is provided on the head, live conductor reed is set on reed mounting plate, and crimping reed matches realization clamp with hooking knife.The utility model drives hooking bar that the sliding of hooking knife is driven to carry out hooking by driving mechanism, and hooking knife carries out clamp with crimping reed, its structure is simple, reliable transmission, it can be realized stable hooking and clamp, effectively solve the problems, such as to cause reserved length of suture too long due to manual operation.
Description
Technical field:
The utility model belongs to technical field of sewing machines, refers in particular to a kind of sewing machine with hooking thread clamping mechanism.
Background technique:
Sewing machine at present, when one section of sewing process finishes another sewing process of progress, the suture on eedle is needed
Carrying out cutting just can be carried out the sewing of an other process, and the suture after cutting off should will stay one section of long distance, to protect
Card suture is from start to finish all threaded through on suture needle pin hole, that is, prevents suture from absquatulating from pin hole.
Traditional processing mode are as follows: after terminating one section of sewing process, manually be displaced outwardly to elongate by sewing reserved
Length of suture on suture needle pin hole, then suture is cut.However, this processing mode is more time-consuming, laborious, reserve across
Length of suture on suture needle pin hole is often too long, causes the waste of suture.
Summary of the invention:
The purpose of the utility model is to provide one kind can stablize hooking and clamp, avoids reserved length of suture too long
Sewing machine hooking thread clamping mechanism.
The utility model is realized in this way:
A kind of sewing machine with hooking thread clamping mechanism, includes head, slidably connects and inclines on the chin of the head
The hooking bar being tiltedly arranged, the lower end of hooking bar extend out to except head and are provided with hooking knife, and hooking bar is by driving mechanism
The axial inside and outside sliding of drives edge hooking bar drives hooking knife to carry out hooking in turn, is provided with reed mounting plate on the head,
Live conductor reed is set on reed mounting plate, and crimping reed matches realization clamp with hooking knife.
In a kind of above-mentioned sewing machine with hooking thread clamping mechanism, the driving mechanism includes to be arranged in head one
The power source of side and the rocking lever on head, one end of rocking lever and power source are rotatably connected on by axial screw
Pars contractilis connection, the other end of rocking lever is hinged by one end of connecting rod and trundle, and the other end setting of trundle exists
On hooking bar, the telescopic band of power source pars contractilis moves rocking lever around axial screw rotation and then passes through connecting rod and trundle
Drive axial inside and outside sliding of the hooking bar along hooking bar.
In a kind of above-mentioned sewing machine with hooking thread clamping mechanism, the pars contractilis of the rocking lever and power source connects
The corresponding end connect offers U-shaped through slot or strip through-hole one, and the pars contractilis of power source passes through pivot pin and U-shaped through slot or strip through-hole
One is slidably connected.
In a kind of above-mentioned sewing machine with hooking thread clamping mechanism, the reed installation sheet includes oblique side plate and erects
Side plate, the crimping reed are connected in oblique side plate by fastener, and perpendicular side plate is connected on head by fastener, erect side plate
On be provided with the strip through-hole two parallel with the axis of hooking bar, the trundle is through being arranged in strip through-hole two.
In a kind of above-mentioned sewing machine with hooking thread clamping mechanism, the biography of hooking bar side is deviated from positioned at the connecting rod
It is provided with annular slot on dynamic pin, the circlip to connecting rod limit is arranged in annular slot.
In a kind of above-mentioned sewing machine with hooking thread clamping mechanism, the lower end of the hooking bar is provided with linkage block,
The corresponding end of the trundle is threadedly attached in linkage block, is provided on the hooking knife to installation position before and after hooking knife
The strip through-hole three being adjusted is set, hooking knife passes through strip through-hole three by fastener and connect with linkage block.
In a kind of above-mentioned sewing machine with hooking thread clamping mechanism, the side of the head is provided with installation supporting plate,
The power source is connected on installation supporting plate by fastener, and the rocking lever is rotatably connected on installation branch by axial screw
On plate.
In a kind of above-mentioned sewing machine with hooking thread clamping mechanism, it is provided on the installation supporting plate to installation supporting plate
The strip through-hole four that level height is adjusted, installation supporting plate pass through strip through-hole four by fastener and connect with head.
In a kind of above-mentioned sewing machine with hooking thread clamping mechanism, it is provided with and power source on the installation supporting plate
The parallel strip through-hole five of pars contractilis axis, one end of the pivot pin and the pars contractilis of power source connect, and the other end runs through U-shaped
Through slot or strip through-hole one are slidably connected in strip through-hole five.
In a kind of above-mentioned sewing machine with hooking thread clamping mechanism, it is provided with damping block on the installation supporting plate, is moved
The pars contractilis in power source is inconsistent with damping block when moving at minimum point.
The advantage that the utility model protrudes compared with prior art is:
1, the utility model drives hooking bar that the sliding of hooking knife is driven to carry out hooking by driving mechanism, and by crimping spring
Piece cooperate hooking knife carry out clamp, structure is simple, reliable transmission, can be realized stable hooking and clamp, effectively solve by
In the problem that manual operation causes reserved length of suture too long；
2, the hooking bar and hooking knife that the utility model is obliquely installed can not only hook suture, also ensure sewing machine
There are enough sewing operation spaces at head.
Detailed description of the invention:
Fig. 1 is the overall perspective view one of the utility model；
Fig. 2 is the overall perspective view two of the utility model；
Fig. 3 is the driving mechanism connection structure diagram of the utility model；
Fig. 4 is the rocking lever perspective view of the utility model；
Fig. 5 is the reed mounting plate perspective view of the utility model；
Fig. 6 is the crimping reed perspective view of the utility model；
Fig. 7 is the trundle perspective view of the utility model；
Fig. 8 is the installation supporting plate perspective view of the utility model.
In figure: 1, head；2, axle sleeve；3, hooking bar；4, hooking knife；5, reed mounting plate；6, crimping reed；7, power
Source；8, axial screw；9, rocking lever；10, U-shaped through slot；11, connecting rod；12, trundle；13, oblique side plate；14, side plate is erected；15,
Strip through-hole two；16, annular slot；17, linkage block；18, strip through-hole three；19, supporting plate is installed；20, strip through-hole four；21,
Strip through-hole five；22, damping block；23, protective cover.
Specific embodiment:
The utility model is further described with specific embodiment below, referring to Fig. 1-8:
Embodiment one:
A kind of sewing machine with hooking thread clamping mechanism includes head 1, sliding by axle sleeve 2 on the chin of the head 1
Dynamic to be connected with the hooking bar 3 being obliquely installed, the lower end of hooking bar 3 extends out to except head 1 and is provided with hooking knife 4, hooks
Line bar 3 is by the axial inside and outside sliding of driving mechanism drives edge hooking bar 3 and then drive hooking knife 4 carries out hooking, the head 1
On be provided with reed mounting plate 5, live conductor reed 6 is set on reed mounting plate 5, and crimping reed 6 matches realization with hooking knife 4
Clamp.The utility model drives hooking bar 3 that the sliding of hooking knife 4 is driven to carry out hooking by driving mechanism, and by crimping reed 6
Cooperate hooking knife 4 carry out clamp, structure is simple, reliable transmission, can be realized stable hooking and clamp, effectively solve due to
Manual operation and the problem for causing reserved length of suture too long.Meanwhile the hooking bar 3 and hooking knife 4 being obliquely installed are not only
Suture can be hooked, also ensuring there are enough sewing operation spaces at head of sewing machine 1.
In order to enable driving mechanism smooth drive hooking bar 3 to slide, the driving mechanism includes to be arranged in head 1 one
The power source 7 of side and the rocking lever 9 on head 1 is rotatably connected on by axial screw 8, one end of rocking lever 9 and dynamic
The pars contractilis in power source 7 connects, and the other end of rocking lever 9 is hinged by connecting rod 11 and one end of trundle 12, trundle 12
The other end is arranged on hooking bar 3, and the telescopic band of 7 pars contractilis of power source moves rocking lever 9 around the rotation of axial screw 8, Jin Ertong
Cross the axial inside and outside sliding that connecting rod 11 and trundle 12 drive hooking bar 3 along hooking bar 3.Wherein, practical new in order to improve this
Type using safe, prevent driving mechanism from impacting to normal sewing operation, power source 7 and swing thick stick in the present embodiment
Bar 9 is arranged on the rear side of head 1.
Further, the specific structure that rocking lever 9 is connect with the pars contractilis of power source 7 are as follows: the rocking lever 9 and power
The corresponding end of the pars contractilis connection in source 7 offers U-shaped through slot 10 or strip through-hole one, and the pars contractilis of power source 7 passes through pivot pin and U
Shape through slot 10 or strip through-hole one are slidably connected, and offer U-shaped through slot in the present embodiment, on rocking lever.
In order to further increase the transmission stability of driving mechanism, the reed installation sheet includes oblique side plate 13 and perpendicular side
Plate 14, the crimping reed 6 are connected in oblique side plate 13 by fastener, and perpendicular side plate 14 is connected on head 1 by fastener,
The strip through-hole two 15 parallel with the axis of hooking bar 3 is provided on perpendicular side plate 14, the trundle 12 is through setting in item
In shape through-hole 2 15,2 15 pairs of trundles 12 of strip through-hole play guiding role.Meanwhile in the present embodiment for the ease of
Crimping reed 6 matches realization clamp with hooking knife 4, and the oblique side plate 13 is parallel with the axis of hooking bar 3.
Connection is detached between connecting rod 11 and trundle 12 in order to prevent, improves the company between connecting rod 11 and trundle 12
Stability is connect, is provided with annular slot 16, annular slot 16 on the trundle 12 of 3 side of hooking bar positioned at the connecting rod 11
Inside it is arranged with the circlip limited to connecting rod 11.
In addition, optimization hooking bar 3 and hooking knife 4, trundle 12 between link position, prevent the hook part of hooking knife 4 without
Method is corresponding with suture location and then can not catch on suture, and the lower end of the hooking bar 3 is provided with linkage block 17, hooking bar 3
It is an integral molding structure with linkage block 17.The corresponding end of the trundle 12 is threadedly attached in linkage block 17, the hook
The strip through-hole 3 18 that 4 front and back installation site of hooking knife is adjusted is provided on line knife 4, hooking knife 4 is worn by fastener
Strip through-hole 3 18 to be crossed to connect with linkage block 17, hooking knife 4 adjusts the installation site before and after it by strip through-hole 3 18, thus
The hook part of hooking knife 4 is corresponding with suture location.
Further, the side of the head 1 is provided with installation supporting plate 19, and the power source 7 is connected to peace by fastener
It fills on supporting plate 19, the rocking lever 9 is rotatably connected on installation supporting plate 19 by axial screw 8.
In order to which reserved length of suture size is adjusted, it is provided on the installation supporting plate 19 to installation supporting plate
The strip through-hole 4 20 that 19 level heights are adjusted, installation supporting plate 19 pass through strip through-hole 4 20 and head 1 by fastener
Connection.The level height for installing supporting plate 19 by 4 20 pairs of strip through-hole is adjusted, i.e., to power source 7 and rocking lever 9
Level height be adjusted, and then the extreme value place slided inside and outside hooking bar 3 can be adjusted, be realized to reserved seam
The control of line length size.
In order to improve the transmission stability between the pars contractilis of power source 7 and rocking lever 9, set on the installation supporting plate 19
It is equipped with the strip through-hole five 21 parallel with the pars contractilis axis of power source 7, one end of the pivot pin and the pars contractilis of power source 7
Connection, the other end are slidably connected in strip through-hole 5 21 through U-shaped through slot 10 or strip through-hole one, and 5 21 pairs of strip through-hole
Pivot pin plays the role of guiding.
Meanwhile in order to reduce or absorb the flexible brought vibrational energy by 7 pars contractilis of power source, this reality is promoted
With novel whole stationarity, be provided with damping block 22 on the installation supporting plate 19, the pars contractilis of power source 7 move to it is minimum
It is inconsistent with damping block 22 when at point.
In addition, being provided on the installation supporting plate 19 or power source 7 to promote the usage safety performance of the utility model
Protective cover 23 surrounds the working space worked normally for power source 7, opens on protective cover 23 between protective cover 23 and installation supporting plate 19
Equipped with the opening for 9 normal rotation of rocking lever.
In the present embodiment, it installs and is provided with the switch that control power source 7 is powered or powers off on supporting plate 19.
Further, power source 7 described in the present embodiment is electromagnet or cylinder.
Embodiment two:
The present embodiment and one structure of above-described embodiment are essentially identical, and the main distinction is: the driving mechanism includes
Power source 7, the pars contractilis of power source 7 are directly connect with hooking bar 3, compare above-described embodiment one, the present embodiment driving mechanism
Structure is more simplified.
Above-described embodiment is only one of preferred embodiment of the utility model, and the implementation of the utility model is not limited with this
Range, therefore: the equivalence changes that all shape, structure, principles according to the utility model are done should all be covered by the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of sewing machine with hooking thread clamping mechanism includes head (1), it is characterised in that: the chin of the head (1)
On slidably connect the hooking bar (3) being obliquely installed, the lower end of hooking bar (3) extends out to except head (1) and is provided with
Hooking knife (4), hooking bar (3) by driving mechanism drives edge hooking bar (3) axial inside and outside sliding so that drive hooking knife (4)
Hooking is carried out, is provided with reed mounting plate (5) on the head (1), live conductor reed (6) are set on reed mounting plate (5), pressure
Coil spring piece (6) matches realization clamp with hooking knife (4).
2. a kind of sewing machine with hooking thread clamping mechanism according to claim 1, it is characterised in that: the driving mechanism
It include that setting in the power source (7) of head (1) side and by axial screw (8) is rotatably connected on pendulum on head (1)
Dynamic lever (9), one end of rocking lever (9) are connect with the pars contractilis of power source (7), and the other end of rocking lever (9) passes through company
Bar (11) and one end of trundle (12) are hinged, and the other end of trundle (12) is arranged on hooking bar (3), and power source (7) is stretched
The telescopic band in contracting portion moves rocking lever (9) around axial screw (8) rotation and then is driven by connecting rod (11) and trundle (12)
Axial inside and outside sliding of the hooking bar (3) along hooking bar (3).
3. a kind of sewing machine with hooking thread clamping mechanism according to claim 2, it is characterised in that: the rocking lever
(9) corresponding end connecting with the pars contractilis of power source (7) offers U-shaped through slot (10) or strip through-hole one, and power source (7) are stretched
Contracting portion is slidably connected by pivot pin with U-shaped through slot (10) or strip through-hole one.
4. a kind of sewing machine with hooking thread clamping mechanism according to claim 2, it is characterised in that: the reed installation
Piece includes oblique side plate (13) and perpendicular side plate (14), and the crimping reed (6) is connected on oblique side plate (13) by fastener, is erected
Side plate (14) is connected on head (1) by fastener, is provided on perpendicular side plate (14) parallel with the axis of hooking bar (3)
Strip through-hole two (15), the trundle (12) is through setting in strip through-hole two (15).
5. a kind of sewing machine with hooking thread clamping mechanism according to claim 2, it is characterised in that: be located at the connecting rod
(11) it is provided with annular slot (16), is arranged in annular slot (16) pair on the trundle (12) of hooking bar (3) side
The circlip of connecting rod (11) limit.
6. a kind of sewing machine with hooking thread clamping mechanism according to claim 2, it is characterised in that: the hooking bar
(3) lower end is provided with linkage block (17), and the corresponding end of the trundle (12) is threadedly attached on linkage block (17), institute
State the strip through-hole three (18) for being provided on hooking knife (4) and installation site before and after hooking knife (4) being adjusted, hooking knife (4)
Strip through-hole three (18) is passed through by fastener to connect with linkage block (17).
7. a kind of sewing machine with hooking thread clamping mechanism according to claim 3, it is characterised in that: the head (1)
Side be provided with installation supporting plate (19), the power source (7) by fastener be connected to install supporting plate (19) on, the swing
Lever (9) is rotatably connected in installation supporting plate (19) by axial screw (8).
8. a kind of sewing machine with hooking thread clamping mechanism according to claim 7, it is characterised in that: the installation supporting plate
(19) strip through-hole four (20) that installation supporting plate (19) level height is adjusted is provided on, installation supporting plate (19) passes through tight
Firmware passes through strip through-hole four (20) and connect with head (1).
9. a kind of sewing machine with hooking thread clamping mechanism according to claim 7, it is characterised in that: the installation supporting plate
(19) it is provided with the strip through-hole five (21) parallel with the pars contractilis axis of power source (7) on, one end of the pivot pin and dynamic
The pars contractilis in power source (7) connects, and the other end is slidably connected at strip through-hole five (21) through U-shaped through slot (10) or strip through-hole one
It is interior.
10. a kind of sewing machine with hooking thread clamping mechanism according to claim 7, it is characterised in that: the installation branch
It is provided on plate (19) damping block (22), the pars contractilis of power source (7) offsets when moving at minimum point with damping block (22)
Touching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124738.7U CN209456684U (en) | 2019-01-24 | 2019-01-24 | A kind of sewing machine with hooking thread clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124738.7U CN209456684U (en) | 2019-01-24 | 2019-01-24 | A kind of sewing machine with hooking thread clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209456684U true CN209456684U (en) | 2019-10-01 |
Family
ID=68045646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920124738.7U Expired - Fee Related CN209456684U (en) | 2019-01-24 | 2019-01-24 | A kind of sewing machine with hooking thread clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209456684U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114481474A (en) * | 2022-02-26 | 2022-05-13 | 浙江杜马缝纫机股份有限公司 | Sewing machine, bird nest prevention device and lifting driving mechanism |
-
2019
- 2019-01-24 CN CN201920124738.7U patent/CN209456684U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114481474A (en) * | 2022-02-26 | 2022-05-13 | 浙江杜马缝纫机股份有限公司 | Sewing machine, bird nest prevention device and lifting driving mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 |