CN210394750U - Sewing machine convenient to change presser foot - Google Patents
Sewing machine convenient to change presser foot Download PDFInfo
- Publication number
- CN210394750U CN210394750U CN201920708813.4U CN201920708813U CN210394750U CN 210394750 U CN210394750 U CN 210394750U CN 201920708813 U CN201920708813 U CN 201920708813U CN 210394750 U CN210394750 U CN 210394750U
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- CN
- China
- Prior art keywords
- presser foot
- sewing machine
- rod
- bevel gear
- threaded rod
- 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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- 238000009958 sewing Methods 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a sewing machine convenient for changing presser foot, which belongs to the technical field of production of protective clothing, and comprises a base, wherein a sewing machine body is arranged on the right side of the top of the base, the left side of the base is provided with the presser foot, fixed blocks are arranged on the front side and the rear side of the right end of the presser foot, a movable block is arranged on a threaded rod, a driven bevel gear is arranged on the top of the threaded rod, the front side of the driven bevel gear is meshed with a driving bevel gear, the front side of the driving bevel gear is provided with a rotating rod, the sewing machine convenient for changing the presser foot drives the driving bevel gear to rotate by the rotating rod through a clockwise rotating handle, thereby driving the driven bevel gear to rotate, rotating the threaded rod, and enabling the movable block to move downwards on the threaded rod, thereby pushing two groups of movable blocks to move towards the left side and the, the handle is rotated anticlockwise, the replacement is convenient and fast, and the improvement of the working efficiency is facilitated.
Description
Technical Field
The utility model relates to a protective clothing production technical field specifically is a sewing machine convenient to change presser foot.
Background
The sewing machine is needed when the protective clothing is produced, the presser foot device is a necessary component on the sewing machine, wherein the presser foot at the bottom is a vulnerable part and needs to be replaced after being used for a period of time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sewing machine convenient to change presser foot to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a sewing machine convenient for replacing a presser foot comprises a base, wherein a sewing machine body is arranged on the right side of the top of the base, the left side of the base is provided with the presser foot, fixed blocks are respectively arranged on the front side and the rear side of the right end of the presser foot, a pressure rod is arranged at the bottom of the left side of the sewing machine body, the bottom of the pressure rod is positioned between two groups of fixed blocks, a cavity is arranged in the pressure rod, the top of the cavity is provided with a groove, two groups of movable blocks are respectively arranged on the front side and the rear side of the cavity in a sliding manner, clamping rods are respectively arranged on the opposite back surfaces of the two groups of movable blocks, clamping grooves matched with the clamping rods are respectively arranged on the adjacent surfaces of the two groups of fixed blocks, through holes matched with the clamping rods are respectively arranged on the front side and the rear side of the, and the bottom of threaded rod is connected with the bottom inner wall of cavity through the bearing, be equipped with the movable block on the threaded rod, and set up on the movable block with threaded rod assorted screw hole, the driven bevel gear of top installation of threaded rod, driven bevel gear's front side meshing initiative bevel gear, initiative bevel gear's front side installation rotary rod, and the front side of depression bar open be equipped with rotary rod assorted round hole, the front side installation handle of rotary rod.
Preferably, the adjacent surfaces of the two groups of moving blocks are provided with inclined surfaces, and the inclined surfaces are provided with guide grooves matched with the moving blocks.
Preferably, the distance between the two groups of fixed blocks is equal to the width of the pressure rod.
Preferably, the bearing is installed to the left and right sides of round hole, and the outer wall of rotary rod and the inner circle interference fit of bearing, the bottom installation bearing of recess, and the outer wall interference fit of the inner circle of bearing and threaded rod.
Preferably, the top and the bottom inner walls of the cavity are provided with sliding grooves matched with the moving block.
Preferably, the bottom of the presser foot is provided with a wear-resistant layer, and the wear-resistant layer is uniformly provided with anti-skid grains.
Compared with the prior art, the beneficial effects of the utility model are that: this sewing machine convenient to change presser foot through clockwise rotation handle, makes the rotary rod drive the initiative bevel gear rotatory to it is rotatory to drive driven bevel gear, makes the threaded rod rotatory, makes the movable block move down on the threaded rod, thereby promotes two sets of movable blocks and removes to the left and right sides of cavity respectively, thereby in promoting the kelly card to advance the draw-in groove, fix the presser foot, when needing to dismantle, only need anticlockwise rotation handle can, change convenient and fast, be favorable to improving work efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the pressing rod and the pressing foot of the present invention.
In the figure: 1. a base; 2. a sewing machine body; 3. a pressure lever; 4. a cavity; 5. a groove; 6. a moving block; 7. a clamping rod; 8. a card slot; 9. a threaded rod; 10. a movable block; 11. a driven bevel gear; 12. a drive bevel gear; 13. a circular hole; 14. rotating the rod; 15. a fixed block; 16. a handle; 17. and a presser foot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a sewing machine convenient for replacing a presser foot comprises a base 1, a sewing machine body 2 is arranged on the right side of the top of the base 1, a presser foot 17 is arranged on the left side of the base 1, fixed blocks 15 are arranged on the front side and the rear side of the right end of the presser foot 17, a pressure rod 3 is arranged on the bottom of the left side of the sewing machine body 2, the bottom of the pressure rod 3 is positioned between the two groups of fixed blocks 15, a cavity 4 is arranged in the pressure rod 3, a groove 5 is arranged at the top of the cavity 4, two groups of moving blocks 6 are arranged on the front side and the rear side of the cavity 4 in a sliding manner, clamping rods 7 are arranged on the opposite back sides of the two groups of moving blocks 6, clamping grooves 8 matched with the clamping rods 7 are arranged on the adjacent surfaces of the two groups of fixed blocks 15, through holes matched with the clamping rods 7 are arranged on the front side and the rear, be equipped with threaded rod 9 in the recess 5, and the bottom of threaded rod 9 passes through the bottom wall connection of bearing and cavity 4, be equipped with movable block 10 on the threaded rod 9, and set up on the movable block 10 with threaded rod 9 assorted screw hole, the driven bevel gear 11 of top installation of threaded rod 9, the front side meshing drive bevel gear 12 of driven bevel gear 11, the front side installation rotary rod 14 of drive bevel gear 12, and the front side of depression bar 3 open be equipped with rotary rod 14 assorted round hole 13, the front side installation handle 16 of rotary rod 14.
The adjacent surfaces of the two groups of moving blocks 6 are provided with inclined surfaces, and the inclined surfaces are provided with guide grooves matched with the moving blocks 10, so that the two groups of moving blocks 6 are pushed to move towards the left side and the right side of the cavity 4 respectively when the moving blocks 10 move downwards, and the clamping rods 7 are pushed to be clamped into the clamping grooves 8;
the distance between the two groups of fixed blocks 15 is equal to the width of the pressure rod 3, so that the pressure rod 3 can be inserted into the two groups of fixed blocks 15 for fixing;
bearings are arranged on the left side and the right side of the round hole 13, the outer wall of the rotary rod 14 is in interference fit with the inner ring of the bearing, the bottom of the groove 5 is provided with the bearing, and the inner ring of the bearing is in interference fit with the outer wall of the threaded rod 9, so that the rotary rod 14 and the threaded rod 9 can be fixed conveniently;
the inner walls of the top and the bottom of the cavity 4 are respectively provided with a sliding chute matched with the moving block 6, so that the moving block 6 is limited, and the moving block is prevented from shifting;
the bottom of presser foot 17 is equipped with the wearing layer, and evenly is equipped with anti-skidding line on the wearing layer, is favorable to improving the wearability of presser foot 17.
The working principle is as follows: when needing to be changed, insert depression bar 3 between two sets of fixed blocks 15, clockwise turning handle 16, make rotary rod 14 drive the rotation of initiative bevel gear 12, thereby it is rotatory to drive driven bevel gear 11, make threaded rod 9 rotatory, make movable block 10 move down on threaded rod 9, thereby promote two sets of movable block 6 and move to the left and right sides of cavity 4 respectively, thereby promote kelly 7 card to go into in the draw-in groove 8, fix presser foot 17, spring 18 is in compression state this moment, when needing to dismantle presser foot 17, only need anticlockwise turning handle 16, make rotary rod 14 drive threaded rod 9 anticlockwise rotation through the transmission, make movable block 10 move up on threaded rod 9, under the elasticity of spring 18 returns, promote two sets of movable block 6 and move to the center of cavity 4, make kelly 7 shift out draw-in groove 8, can change.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a sewing machine convenient to change presser foot, includes base (1), its characterized in that: the sewing machine is characterized in that a sewing machine body (2) is arranged on the right side of the top of the base (1), a presser foot (17) is arranged on the left side of the base (1), fixed blocks (15) are arranged on the front side and the rear side of the right end of the presser foot (17), a pressure rod (3) is arranged at the bottom of the left side of the sewing machine body (2), the bottom of the pressure rod (3) is positioned between the two groups of fixed blocks (15), a cavity (4) is formed in the pressure rod (3), a groove (5) is formed in the top of the cavity (4), two groups of moving blocks (6) are arranged on the front side and the rear side of the cavity (4) in a sliding mode, clamping rods (7) are arranged on the opposite back surfaces of the two groups of moving blocks (6), clamping grooves (8) matched with the clamping rods (7) are formed in the adjacent surfaces of the two groups, a spring (18) is sleeved on the clamping rod (7), one end of the spring (18) is connected with the moving block (6), the other end of the spring (18) is connected with the inner wall of the cavity (4), a threaded rod (9) is arranged in the groove (5), the bottom of the threaded rod (9) is connected with the inner wall of the bottom of the cavity (4) through a bearing, a movable block (10) is arranged on the threaded rod (9), and the movable block (10) is provided with a threaded hole matched with the threaded rod (9), a driven bevel gear (11) is arranged at the top of the threaded rod (9), the front side of the driven bevel gear (11) is meshed with a driving bevel gear (12), a rotating rod (14) is arranged at the front side of the driving bevel gear (12), and the front side of the pressure lever (3) is provided with a round hole (13) matched with the rotating rod (14), and the front side of the rotating rod (14) is provided with a handle (16).
2. The sewing machine with the presser foot replaced conveniently as claimed in claim 1, wherein: the adjacent surfaces of the two groups of moving blocks (6) are provided with inclined surfaces, and the inclined surfaces are provided with guide grooves matched with the moving blocks (10).
3. The sewing machine with the presser foot replaced conveniently as claimed in claim 1, wherein: the distance between the two groups of fixed blocks (15) is equal to the width of the pressure rod (3).
4. The sewing machine with the presser foot replaced conveniently as claimed in claim 1, wherein: the bearing is installed to the left and right sides of round hole (13), and the outer wall of rotary rod (14) and the inner circle interference fit of bearing, the bottom installation bearing of recess (5), and the outer wall interference fit of the inner circle of bearing and threaded rod (9).
5. The sewing machine with the presser foot replaced conveniently as claimed in claim 1, wherein: and sliding grooves matched with the moving block (6) are formed in the inner walls of the top and the bottom of the cavity (4).
6. The sewing machine with the presser foot replaced conveniently as claimed in claim 1, wherein: the bottom of the presser foot (17) is provided with a wear-resistant layer, and the wear-resistant layer is uniformly provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920708813.4U CN210394750U (en) | 2019-05-16 | 2019-05-16 | Sewing machine convenient to change presser foot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920708813.4U CN210394750U (en) | 2019-05-16 | 2019-05-16 | Sewing machine convenient to change presser foot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210394750U true CN210394750U (en) | 2020-04-24 |
Family
ID=70344438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920708813.4U Expired - Fee Related CN210394750U (en) | 2019-05-16 | 2019-05-16 | Sewing machine convenient to change presser foot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210394750U (en) |
-
2019
- 2019-05-16 CN CN201920708813.4U patent/CN210394750U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20200424 |