CN207498607U - Arm-type sewing machine retainer structure and arm-type sewing machine - Google Patents
Arm-type sewing machine retainer structure and arm-type sewing machine Download PDFInfo
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- CN207498607U CN207498607U CN201721638662.7U CN201721638662U CN207498607U CN 207498607 U CN207498607 U CN 207498607U CN 201721638662 U CN201721638662 U CN 201721638662U CN 207498607 U CN207498607 U CN 207498607U
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- feeding
- arm
- sewing machine
- guide plate
- type sewing
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Abstract
The utility model discloses a kind of arm-type sewing machine pressure rack structure and arm-type sewing machines, it includes the positioning plate being fixedly mounted, the guide plate being flexibly connected with positioning plate, is slidable in the vertical direction being connected to the feeding dental assembly on guide plate and the feeding shaft assembly being pivotally connected with guide plate relative to guide plate, feeding shaft assembly includes feeding shaft body, the feeding crank being pivotally connected with guide plate, and the mounting hole for installing feeding shaft body is offered on feeding crank.The utility model solves the dead unit problem of dual-crank-rocker mechanism, makes that pressure rack structure goes slick and structure is simple to manufacture, and assembling requirement is corresponding to be reduced.
Description
Technical field
The utility model is related to a kind of arm-type sewing machine retainer structure and sewing machines and arm-type sewing machine.
Background technology
Existing product is dual-crank-rocker mechanism, as shown in Figure 1,03 retainer pressing plate and 013 retainer, which adjust guide plate, passes through 07
Screw 01 is fixed on 06 feeding retainer guide plate.09 feeding retainer dovetail part is penetrated from down on feeding retainer guide plate, adjusts each portion
Subdivided gap.It can be moved up and down in feeding retainer guide plate component dovetail flexible and very close to each other.01 feed dog is sent by 02
Cloth tooth lock-screw is fixed on 09 feeding retainer.One section of feeding retainer component passes through 012 feeding crank of tooth frame, 010 feeding retainer
011 screw 02 of crank-pin and 014 screw 03 are fixed on body.The other end is fixed on by 05 feed spool, 04 feeding retainer screw
On body.When operating feeding retainer component by the 06 feeding retainer guide plate of swing of 05 feed spool around 04 feeding retainer
Screw rotates.In addition, 06 feeding retainer guide plate is by 014 screw 03 and passes through 012 feeding crank of tooth frame around 010 feeding retainer
Crank-pin, which is swung, realizes entire feeding process.Simultaneously 01 feed dog by 09 feeding retainer mechanism under the action of 08 tooth lifting cam
It realizes and moves up and down.05 feed spool of mechanism is integrated product, to mold cast member, manufactures of high cost, processing difficulties.Simultaneously should
Component combination part is more, and assembling is complicated, and each part processing request and fit precision are more demanding, and manufacture is difficult.Hyperbolic simultaneously
There are dead unit problems for handle rocker device.
Invention content
The purpose of this utility model be to provide a kind of feeding shaft body be simple to manufacture, cartridge type seam at low cost and easy to process
It threads machine pressure rack structure.
In order to achieve the above objectives, the technical solution adopted in the utility model is：A kind of arm-type sewing machine pressure rack structure, packet
The positioning plate for including fixed installation, the guide plate being flexibly connected with the positioning plate are slidable in the vertical direction connecting relative to the guide plate
The feeding dental assembly being connected on the guide plate and the feeding shaft assembly being pivotally connected with the guide plate, the feeding shaft assembly packet
Feeding shaft body, the feeding crank being pivotally connected with the guide plate are included, offers that described send is installed on the feeding crank
Expect the mounting hole of shaft body.
Optimization, the fine crack for adjusting mounting hole size, the fine crack and the mounting hole are offered on feeding crank
It is connected, is threadedly coupled on the feeding crank and is useful for adjusting fine crack size so as to adjust the adjusting screw of mounting hole size.
Optimization, the feeding crank is rotated by feeding retainer screw with the guide plate and connect.
Optimization, dovetail groove is offered on guide plate, the feeding retainer component is installed in the dovetail groove.
Optimization, the first sliding block, the end that the guide plate is connected with the positioning plate are fixedly connected on the positioning plate
The first sliding groove is offered in portion, first sliding block is set in the first sliding groove.
Further, feeding retainer component include feeding retainer, the feeding tooth that is fixedly installed on the feeding retainer with
And adjustable adjusting pressing plate being installed in the dovetail groove, second is formed between the adjusting pressing plate and the dovetail groove and is slided
Slot, the upper end of the feeding retainer have the second sliding block to match with the second sliding slot, the lower end of the feeding retainer
Portion offers lift indent, and the feeding retainer component further includes in the lift indent and for being lifted or depressing the feeding
The cam of retainer.
Further, the lower end of the feeding tooth offers open link slot, the feeding retainer and feeding tooth
It is mutually fixedly connected by lock-screw, the lock-screw is set in the link slot.
Further, the adjusting pressing plate is mutually fixedly connected with the guide plate by bridge screw.
Further, first sliding block is mutually fixedly connected by guide runner pin with the positioning plate.
The utility model additionally provides a kind of arm-type sewing machine, including above-mentioned arm-type sewing machine pressure rack structure.
Since above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：The utility model
It solves the dead unit problem of dual-crank-rocker mechanism, makes that pressure rack structure goes slick and structure is simple to manufacture, assembling requirement is corresponding
It reduces.
Description of the drawings
Attached drawing 1 is original arm-type sewing machine pressure rack structure；
Attached drawing 2 is the arm-type sewing machine pressure rack structure in the utility model.
Specific embodiment
Shown embodiment is further described the utility model below in conjunction with the accompanying drawings.
Arm-type sewing machine includes arm-type sewing machine pressure rack structure, as shown in Fig. 2, arm-type sewing machine pressure rack structure includes fixing
The positioning plate 1 of installation, the guide plate 5 being flexibly connected with positioning plate 1 are slidable in the vertical direction being connected on guide plate 5 relative to guide plate 5
Feeding dental assembly and with guide plate 5 be pivotally connected feeding shaft assembly.
The first sliding block 14 is fixedly connected on positioning plate 1, first is offered on the end that guide plate 5 is connected with positioning plate 1
Sliding slot, the first sliding block 14 are set in the first sliding groove.First sliding block 14 is fixedly connected by guide runner pin 13 with 1 phase of positioning plate.
Feeding shaft assembly includes feeding shaft body 6, the feeding crank 8 being pivotally connected with guide plate 5, is opened up on feeding crank 8
The mounting hole of installation feeding shaft body 6 and the fine crack for adjusting mounting hole size are useful for, fine crack is connected with mounting hole, send
It is threadedly coupled on material crank 8 and is useful for adjusting fine crack size so as to adjust the adjusting screw 7 of mounting hole size.Feeding crank 8 with
Guide plate 5 is rotated connection by feeding retainer screw 9.
Dovetail groove is offered on guide plate 5,12 component of feeding retainer includes feeding retainer 12, is fixedly installed in feeding retainer 12
On feeding tooth 2 and adjustable adjusting pressing plate 10 being installed in dovetail groove, adjust and formed between pressing plate 10 and dovetail groove
Second sliding slot, the upper end of feeding retainer 12 have the second sliding block 16 to match with second sliding slot, the lower end of feeding retainer 12
Portion offers lift indent, and 12 component of feeding retainer further includes in lift indent and for being lifted or depressing the convex of feeding retainer 12
Wheel 11.The lower end of feeding tooth 2 offers open link slot, and feeding retainer 12 is fixed with feeding tooth 2 by 3 phase of lock-screw
Connection, lock-screw 3 are set in link slot.Pressing plate 10 is adjusted to be fixedly connected by 4 phase of bridge screw with guide plate 5.
By feed spool resolve into feeding shaft body 6 and feeding crank 8 by adjusting screw 7 lock together realize feeding move
Make.Guide plate 5 is fixed on by positioning plate bolt 15 on the housing of sewing machine by positioning plate 1, and the first sliding block 14 is by guide runner pin
13 are fixed on positioning plate 1.Feeding tooth 2 is fixed on by lock-screw 3 on feeding retainer 12, and feeding retainer 12 is by guide plate 5
Second sliding slot in move up and down.Realize the up and down motion of feeding tooth 2.The movement of entire mechanism is turning for feeding shaft body 6
Dynamic to be conducted to guide plate 5 by feeding retainer screw 9 through feeding crank 8, guide plate 5 gives movement conduction to feeding tooth by dovetail configuration
Frame 12, second sliding slot are conducted to feeding tooth 2, realize the reciprocal of feeding tooth 2 with the 16 opposite slip of the second sliding block, feeding retainer 12
Movement, while feeding retainer 12 pumps, realization is sent under the action of cam 11 in the second sliding slot of guide plate 5
Expect the up and down motion of tooth 2.The whole of feeding tooth 2 is realized in being moved while feeding retainer 5 is in feeding shaft body 6 and cam 11
A feeding lift agomphiasis is made.The processing that feed spool makes split component axis into is very simple, and the processing of single crank is also very simple.Simultaneously will
The axis of a part, crank and pin bank into revolute pair make the sliding pair that sliding block and sliding slot are formed into, reduce assembling product precision
It is required that.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement according to this, can not the scope of protection of the utility model be limited with this.
It is all according to the spirit of the present invention substantially equivalent change or modification for being made, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of arm-type sewing machine pressure rack structure, the positioning plate including fixed installation are led with what the positioning plate was flexibly connected
Plate, be slidable in the vertical direction relative to the guide plate feeding dental assembly being connected on the guide plate and with the guide plate pivot
The feed spool body assembly of connection, it is characterised in that：The feed spool body assembly includes feeding shaft body and the guide plate pivot
The feeding crank of axis connection offers the mounting hole for installing the feeding shaft body on the feeding crank.
2. arm-type sewing machine pressure rack structure according to claim 1, it is characterised in that：It offers to adjust on feeding crank
The fine crack of mounting hole size is saved, the fine crack is connected with the mounting hole, is threadedly coupled on the feeding crank and is useful for adjusting
Fine crack size is saved so as to adjust the adjusting screw of mounting hole size.
3. arm-type sewing machine pressure rack structure according to claim 1, it is characterised in that：The feeding crank and the guide plate
It is rotated connection by feeding retainer screw.
4. arm-type sewing machine pressure rack structure according to claim 1, it is characterised in that：Dovetail groove is offered on guide plate, institute
Feeding retainer component is stated to be installed in the dovetail groove.
5. arm-type sewing machine pressure rack structure according to claim 1, it is characterised in that：It is fixedly connected on the positioning plate
First sliding block, the first sliding groove is offered on the end that the guide plate is connected with the positioning plate, and first sliding block is set on institute
It states in the first sliding groove.
6. arm-type sewing machine pressure rack structure according to claim 4, it is characterised in that：Feeding retainer component includes feeding tooth
Frame, the feeding tooth being fixedly installed on the feeding retainer and adjustable adjusting pressing plate being installed in the dovetail groove,
Second sliding slot is formed between the adjusting pressing plate and the dovetail groove, the upper end of the feeding retainer has to be slided with described second
The second sliding block that slot matches, the lower end of the feeding retainer offer lift indent, and the feeding retainer component, which further includes, to be set
In the cam in the lift indent and for being lifted or depressing the feeding retainer.
7. arm-type sewing machine pressure rack structure according to claim 6, it is characterised in that：The lower end of the feeding tooth opens up
There is open link slot, the feeding retainer is mutually fixedly connected with feeding tooth by lock-screw, and the lock-screw is set on institute
It states in link slot.
8. arm-type sewing machine pressure rack structure according to claim 6, it is characterised in that：The adjusting pressing plate and the guide plate
It is mutually fixedly connected by bridge screw.
9. arm-type sewing machine pressure rack structure according to claim 5, it is characterised in that：First sliding block is slided by being oriented to
Block pin is mutually fixedly connected with the positioning plate.
10. a kind of arm-type sewing machine, it is characterised in that：It includes any arm-type sewing machine pressure rack knot in claim 1~9
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638662.7U CN207498607U (en) | 2017-11-30 | 2017-11-30 | Arm-type sewing machine retainer structure and arm-type sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638662.7U CN207498607U (en) | 2017-11-30 | 2017-11-30 | Arm-type sewing machine retainer structure and arm-type sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207498607U true CN207498607U (en) | 2018-06-15 |
Family
ID=62507177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721638662.7U Active CN207498607U (en) | 2017-11-30 | 2017-11-30 | Arm-type sewing machine retainer structure and arm-type sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207498607U (en) |
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2017
- 2017-11-30 CN CN201721638662.7U patent/CN207498607U/en active Active
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