CN207468873U - A kind of sewing machine - Google Patents
A kind of sewing machine Download PDFInfo
- Publication number
- CN207468873U CN207468873U CN201721433159.8U CN201721433159U CN207468873U CN 207468873 U CN207468873 U CN 207468873U CN 201721433159 U CN201721433159 U CN 201721433159U CN 207468873 U CN207468873 U CN 207468873U
- Authority
- CN
- China
- Prior art keywords
- blade
- bevel gear
- supporting rack
- sewing machine
- workbench
- 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.)
- Expired - Fee Related
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Abstract
The utility model is related to field of textiles, disclose a kind of sewing machine, including workbench and the host being fixed on workbench, sewing needle is slidably connected on the host, workspace is formed between the sewing needle and workbench, supporting rack is connected on the outer wall of the host, the length direction of the supporting rack along workbench, which is slidably connected, is useful for the blade of cutting line, the supporting rack is rotatably connected to drive rod, and drive rod rotation is placed in by gear assembly band cutting blade movement in workspace.The utility model has the following advantages and effect：This programme utilize new mechanical structure, achieve the effect that convenient for while worker's cutting wires with health.
Description
Technical field
The utility model is related to a kind of textile machine, more specifically, it relates to a kind of sewing machine.
Background technology
Sewing machine is with one or more sewing thread, and one or more stitchings are formed on sewing, make one or more layers seam
The machine that material interweaves or unites by a seam.
At present, notification number is that the Chinese patent of CN205501609U discloses a kind of sewing machine, including being connected with syringe needle
Head, presser feet, sewing platform and rack, head are in be vertically arranged with protection along syringe needle outer circle circumferential direction close to sewing platform one side
Set, protective case are vertically slidably connected to head, and head, which is equipped with, realizes the fixed locating part of protective case.Head is close to sewing
Platform one side is provided with annular groove with the syringe needle center of circle, and protective case is embedded and is slidably connected to annular groove.
This sewing machine structure is simple, but in actual use, and worker places fabric on the table, by fabric
Sewing machine starts while promotion forward, and sewing needle sews fabric, after sewing finishes, needs to cut on line, is
Easy to operate, worker is often bitten broken line with tooth, more unhygienic.
Utility model content
In view of the deficienciess of the prior art, the utility model lies in that provide a kind of sewing machine, line is cut by blade,
Achieve the purpose that health.
To achieve the above object, the utility model provides following technical solution：A kind of sewing machine, including workbench and admittedly
Due to slidably connecting sewing needle on the host on workbench, the host, work is formed between the sewing needle and workbench
Area, is connected with supporting rack on the outer wall of the host, and the length direction of the supporting rack along workbench is slidably connected useful
In the blade of cutting line, the supporting rack is rotatably connected to drive rod, and drive rod rotation is driven by gear assembly
Blade movement is placed in workspace.
By using above-mentioned technical proposal, after sewing needle finishes cloth sewing, worker only needs drive rod, makes driving
Bar is moved, and blade is sent in workspace by gear assembly with cutting blade along the length direction of workbench, passes through blade
Line is cut off, so as to achieve the purpose that health.
The utility model is further arranged to：The gear assembly includes first bevel gear, second bevel gear, spur gear
And rack, the drive rod are connect with first bevel gear, and the first bevel gear is engaged with second bevel gear, and described second
Bevel gear is fixed with spur gear, and the rack is fixed on blade and is engaged with spur gear, and the second bevel gear rotation connects
It is connected on supporting rack.
By using above-mentioned technical proposal, worker's rotation of drive rod makes drive rod drive first bevel gear rotation, the first cone
Gear drive second bevel gear rotation, make second bevel gear turn spur rotate, make spur gear band carry-over bar move, blade with
It the movement of rack and moves, by the transmission between multiple gears, the movement that can make blade is more accurate, is not easy to scratch work
People.
The utility model is further arranged to：Elastic component, one end of the elastic component and knife are connected on the blade
Piece connects, and the other end is connect with supporting rack.
By using above-mentioned technical proposal, rotation of drive rod, blade is mobile and cuts off line, and elastic component deforms upon generation
Elastic force after unclamping drive rod, is resetted blade by the effect of elastic force, meanwhile, elastic component also resets, easy to operate, effectively carries
Rise production efficiency.
The utility model is further arranged to：The one end of the blade far from rack offers to cut with what line contradicted
Incisal bevel.
By using above-mentioned technical proposal, during blade is moved along the length direction of workbench, line and shearing
Inclined-plane contradicts, and is moved along shearing inclined-plane, at this point, blade generates slanting shearing force to line, is more convenient for cutting line.
The utility model is further arranged to：Rotary shaft is rotatably connected on the blade, is connected in the rotary shaft
Shearing piece is connected to, the surface of the shearing piece and the blade contradicts, and is formed to cut between the shearing piece and blade
The shear zone of line.
By using above-mentioned technical proposal, rotated by shearing piece, after line is placed in shear zone, by shearing piece and blade
It cooperatively forms shearing force to cut line, further promotes working efficiency.
The utility model is further arranged to：It is fixed on the supporting rack anti-for being contradicted with the outer wall of rotary shaft
Draw runner.
By using above-mentioned technical proposal, during blade moves, tread plate and rotary shaft friction send out rotary shaft
Raw rotation so as to which rotary shaft be made to rotate, after rotary shaft and tread plate are detached from, can be rotated further, then by inertia
Complete the cutting operation to line, easy to operate, effective improving production efficiency.
The utility model is further arranged to：The one end of the drive rod far from gear assembly is connected with drive disk, institute
Handle is rotatably connected on the drive disk stated.
By using above-mentioned technical proposal, drive disk is rotated by handle, drive disk is made to drive drive rod rotation, operation is more
For simplicity, further improving production efficiency.
The utility model is further arranged to：The outer diameter of the first bevel gear is more than the outer diameter of second bevel gear.
By using above-mentioned technical proposal, in one circle first bevel gear of worker's rotation, second bevel gear can be rotated
The more number of turns is easy to implement the movement of blade, further improving production efficiency.
In conclusion the utility model has the advantages that：
Worker drives drive disk to rotate by handle, and drive rod is rotated with the rotation of drive disk, passes through gear assembly
It is moved with cutting blade along the length direction of workbench toward close to workspace, meanwhile, tread plate drives rotary shaft rotation, shears piece
It rotates with the rotation of rotary shaft, when line is located at shear zone, by shearing the collective effect of piece and blade, line is cut,
It is more hygienic, after handle is unclamped, resetted by elastic component band cutting blade, effective improving production efficiency.
Description of the drawings
Fig. 1 is the external structure schematic diagram of the utility model；
Fig. 2 is enlarged drawing at the A of Fig. 1；
Fig. 3 is the structure diagram for embodying elastic component and supporting rack；
Fig. 4 is enlarged drawing at the B of Fig. 3.
Reference numeral：1st, workbench；11st, panel；12nd, support feet；2nd, host；21st, sewing needle；22nd, motor；23rd, it works
Area；3rd, supporting rack；31st, elastic component；32nd, holding tank；4th, blade；41st, inclined-plane is sheared；51st, rotary shaft；52nd, piece is sheared；53rd, prevent
Draw runner；54th, shear zone；6th, gear assembly；61st, first bevel gear；62nd, second bevel gear；63rd, spur gear；64th, rack；71st, it drives
Lever；72nd, drive disk；73rd, handle.
Specific embodiment
The utility model is described further with reference to attached drawing.
As shown in Figure 1, a kind of sewing machine, including workbench 1, workbench 1 include in cuboid setting panel 11 and
It is fixed on the support feet 12 of 11 lower section of panel.
It is fixed in panel 11 back to the side of support feet 12 there are one host 2.Sewing needle 21 on host 2 is installed, is sewed
Needle 21 is placed and is slidably connected on host 2 vertically.Make to form workspace 23 between sewing needle 21 and panel 11.Pacify on host 2
Equipped with motor 22, motor 22 drives sewing needle 21 to move up and down as the prior art, is not repeated in the present embodiment.
As shown in Fig. 2, fixed on the outer wall of host 2, there are one supporting racks 3.Supporting rack 3 is in bulk.In supporting rack 3
Being slidably connected, there are one blades 4, and blade 4 is set in cuboid, and the glide direction of blade 4 and the length direction of panel 11 are put down
Row.It is rectangular holding tank 32 to be opened up on supporting rack 3 there are one section.Elastic component 31 is spring, and one end is fixed on holding tank
On 32 inner wall, the other end is fixed on the one end of blade 4 far from workspace 23.
In blade 4 shearing inclined-plane 41 is offered close to one end of workspace 23.And in blade 4 close to one end of workspace 23
There are one rotary shafts 51 for rotation connection.It is fixed in the upper end of rotary shaft 51 there are one shearing piece 52, lower end is stretched out and led to from blade 4
Crossing sand paper polishing has larger roughness.It shears the lower surface of piece 52 to contradict with the upper surface of blade 4, makes shearing piece 52 and knife
The shear zone 54 for line to be cut is formed between piece 4.
For the ease of rotary shaft 51 is rotated, it is fixed with close to one end of workspace 23 in supporting rack 3 and is made of rubber
Tread plate 53.When being contradicted in the lower end of rotary shaft 51 and tread plate 53, the frictional force of generation can promote rotary shaft 51 to occur
Rotation.It is released from supporting rack 3 by blade 4, rotary shaft 51 generates relative movement with tread plate 53 and rotates, and is rotating
After axis 51 is detached from tread plate 53, by the effect of inertia, rotary shaft 51 can continue to rotation a period of time.
For the ease of band cutting blade 4 move, be provided on supporting rack 3 gear assembly 6, drive rod 71, drive disk 72 with
And handle 73.Drive disk 72 is placed vertically, is rotationally connected with integrated setting in the support plate of supporting rack 3.By cylinder
Handle 73 is rotationally connected on the one end of drive disk 72 far from support plate.And the axis parallel of handle 73 and drive disk 72.
Gear assembly 6 includes first bevel gear 61, second bevel gear 62, spur gear 63 and rack 64.Tooth is bored by first
Wheel 61 is fixed on the one end of drive rod 71 far from drive disk 72, and be coaxially disposed with drive disk 72.By horizontal positioned second
Bevel gear 62 and first bevel gear 61 engage, and spur gear 63 is fixed on second bevel gear 62 back to the one of first bevel gear 61
Side.Spur gear 63 and second bevel gear 62 is coaxial.Support shaft is passed through into second bevel gear 62 and spur gear 63, and pass through bearing
It is rotatablely connected with supporting rack 3, second bevel gear 62 is enable to produce relative rotation with spur gear 63 and supporting rack 3.By rack 64
It is fixed on the side wall of blade 4, and rack 64 is engaged with spur gear 63.Rack 64 is parallel with blade 4.
As shown in Figure 3 and Figure 4, in the present embodiment, the outer diameter of first bevel gear 61 is much larger than the outer diameter of second bevel gear 62,
In one circle of rotation of first bevel gear 61, second bevel gear 62 can rotate multi-turn.
In conclusion sewing needle 21, after fabric of having sewed, worker drives drive disk 72 to rotate by handle 73, drive disk
72 drive first bevel gears 61 rotate, and first bevel gear 61 drives second bevel gear 62 to rotate, and second bevel gear 62 is made to drive directly
Gear 63 rotates, so as to which rack 64 be made to move blade 4 toward close to the direction of workspace 23, meanwhile, pass through tread plate 53 and rotation
Frictional force between shaft 51 realizes the rotation of rotary shaft 51, and shearing piece 52 rotates, elastic component with the rotation of rotary shaft 51
31 deformation generate elastic force, with the movement of blade 4, when line is located in shear zone 54, by the shearing for shearing piece 52 and blade 4
Line is cut in effect；Handle 73 is unclamped, is acted on by the elastic force of elastic component 31, blade 4 is moved toward close to the direction of supporting rack 3
It is dynamic, and blade 4 is resetted, meanwhile, rotary shaft 51 is contradicted with tread plate 53, and by the effect of frictional force, rotary shaft 51 is positioned,
Shearing piece 52 stops operating, easy to operate, hygienic.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical solutions belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, several improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of sewing machine including workbench (1) and the host (2) being fixed on workbench (1), slides on the host (2)
Sewing needle (21) is connected with, workspace (23) are formed between the sewing needle (21) and workbench (1), it is characterized in that：Described
Supporting rack (3) is connected on the outer wall of host (2), the supporting rack (3) is slidably connected along the length direction of workbench (1)
For the blade (4) of cutting line, the supporting rack (3) is rotatably connected to drive rod (71), the drive rod (71) rotation
It is placed in workspace (23) by gear assembly (6) band cutting blade (4) movement.
2. a kind of sewing machine according to claim 1, it is characterized in that：The gear assembly (6) is including first bevel gear
(61), second bevel gear (62), spur gear (63) and rack (64), the drive rod (71) connect with first bevel gear (61)
It connects, the first bevel gear (61) is engaged with second bevel gear (62), and the second bevel gear (62) is solid with spur gear (63)
Fixed, the rack (64) is fixed on blade (4) and is engaged with spur gear (63), second bevel gear (62) rotation connection
In on supporting rack (3).
3. a kind of sewing machine according to claim 1, it is characterized in that：Elastic component (31) is connected on the blade (4),
One end of the elastic component (31) is connect with blade (4), and the other end is connect with supporting rack (3).
4. a kind of sewing machine according to claim 2, it is characterized in that：The one end of the blade (4) far from rack (64)
Offer the shearing inclined-plane (41) for being contradicted with line.
5. a kind of sewing machine according to claim 4, it is characterized in that：Rotary shaft is rotatably connected on the blade (4)
(51), shearing piece (52) is connected in the rotary shaft (51), the shearing piece (52) and the surface of the blade (4) are supported
It touches, the shear zone (54) for cutting line is formed between the shearing piece (52) and blade (4).
6. a kind of sewing machine according to claim 5, it is characterized in that：Be fixed on the supporting rack (3) for rotation
The tread plate (53) that the outer wall of shaft (51) contradicts.
7. a kind of sewing machine according to claim 3, it is characterized in that：The drive rod (71) is far from gear assembly (6)
One end be connected with drive disk (72), handle (73) is rotatably connected on the drive disk (72).
8. a kind of sewing machine according to claim 2, it is characterized in that：The outer diameter of the first bevel gear (61) is more than the
The outer diameter of two bevel gears (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721433159.8U CN207468873U (en) | 2017-10-31 | 2017-10-31 | A kind of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721433159.8U CN207468873U (en) | 2017-10-31 | 2017-10-31 | A kind of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207468873U true CN207468873U (en) | 2018-06-08 |
Family
ID=62265887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721433159.8U Expired - Fee Related CN207468873U (en) | 2017-10-31 | 2017-10-31 | A kind of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207468873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030389A (en) * | 2020-09-16 | 2020-12-04 | 吴丽仙 | Thread trimming device on sewing machine and operation method thereof |
-
2017
- 2017-10-31 CN CN201721433159.8U patent/CN207468873U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112030389A (en) * | 2020-09-16 | 2020-12-04 | 吴丽仙 | Thread trimming device on sewing machine and operation method thereof |
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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: 20180608 Termination date: 20211031 |