CN218232783U - Sewing machine adaptable to different bend angles - Google Patents
Sewing machine adaptable to different bend angles Download PDFInfo
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- CN218232783U CN218232783U CN202222635715.7U CN202222635715U CN218232783U CN 218232783 U CN218232783 U CN 218232783U CN 202222635715 U CN202222635715 U CN 202222635715U CN 218232783 U CN218232783 U CN 218232783U
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Abstract
The utility model discloses a sewing machine that can adapt to different bent angles, the support column is located the sewing machine front side, the sewing machine is equipped with universal driving shaft and the second bevel gear of cover outside the universal driving shaft, second bevel gear meshing first bevel gear drives first bevel gear to rotate, drives cauldron and makes it and sewing needle synchronous motion; the first mounting shaft exits from the front mounting hole of the support column, and the second mounting shaft exits from the right mounting hole of the support column, so that the support column can rotate to the rear side of the sewing needle by taking the sewing needle as the center; the support column is arranged on the rear side of the sewing needle, and the third bevel gear is meshed with the first bevel gear to drive the first bevel gear to rotate so as to drive the large kettle to synchronously move with the sewing needle. The support column can be arranged on the front side of the sewing needle and can also be arranged on the rear side of the sewing needle, so that the sewing machine can be suitable for fabrics with large bending angles and fabrics with small bending angles.
Description
Technical Field
The utility model relates to a sewing machine, concretely relates to sewing machine of adaptable different bent angles.
Background
The sewing machine comprises a base, wherein a machine head and a support column positioned below the machine head are arranged on the base, the machine head is provided with a sewing needle downwards aligned to the support column and a driving mechanism for driving the sewing needle to move, and the support column is provided with a large kettle matched with the sewing needle. An operator places the fabric on the supporting column, operates the machine head, enables the driving mechanism of the machine head to drive sewing to carry out sewing on the fabric, in the process, the cauldron of the supporting column needs to be matched with the sewing needle in a synchronous motion mode, for the purpose, the sewing machine is provided with the linkage mechanism, and when the driving mechanism drives the sewing needle to move, the driving mechanism drives the cauldron to move in a synchronous mode through the linkage mechanism. Patent document CN2623730Y discloses a support column, which is fixedly mounted on a base, and the bottom of the support column is provided with a first bevel gear, the first bevel gear drives and connects with a large kettle, and a linkage mechanism needs to drive the large kettle to move through the first bevel gear, for this reason, the linkage mechanism is provided with a linkage shaft and a second bevel gear sleeved on the linkage shaft, and the second bevel gear is engaged with the first bevel gear. The linkage shaft is driven by the driving mechanism to rotate to drive the second bevel gear to rotate, so that the first bevel gear is driven to rotate to drive the large kettle to move. Because the linkage mechanism drives the large kettle to move through the two meshed bevel gears, once the two bevel gears are not meshed any more due to the fact that the support columns are shifted under the action of external force, the linkage mechanism cannot continuously drive the large kettle to move, and therefore the support columns are fixedly installed on the base and prevented from being shifted under the action of external force. Sewing machines sometimes need to sew two pieces of material together at different angles to form a piece of material with a corner. When big bent angle surface fabric of sewing, the support column need be located the front side of sewing needle, and when the little bent angle surface fabric of sewing, the support column need be located the rear side of sewing needle, nevertheless because the support column is fixed mounting on the base, that is to say, the support column either is located the front side of sewing needle, only can adapt to big bent angle surface fabric, can not adapt to little bent angle surface fabric, or is located the rear side of sewing needle, only can adapt to little bent angle surface fabric, can not adapt to big bent angle surface fabric.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a sewing machine of adaptable different bent angles.
In order to solve the technical problem, the utility model discloses a sewing machine of adaptable different bent angles, the on-line screen storage device comprises a base, be equipped with the aircraft nose on the base, be equipped with the support column below the aircraft nose and be used for supporting the surface fabric, the aircraft nose has the sewing needle of following edge and the actuating mechanism that drives the sewing needle motion and carry out the sewing to the surface fabric down to aim at the support column, the support column is located sewing needle front side, be equipped with the cauldron with sewing needle complex, the base is opened has the logical groove that link up from top to bottom, the support column bottom extends to the base below through the logical groove, and be equipped with first bevel gear, first bevel gear drive connects the cauldron, sewing machine is equipped with universal driving shaft and the second bevel gear of cover outside the universal driving shaft below the base, the first bevel gear of universal driving gear meshing, the actuating mechanism is connected to the universal driving shaft, receive actuating mechanism drive second bevel gear to rotate, thereby drive first bevel gear rotation, drive the cauldron make it and sewing needle synchronous motion;
the side surface of the supporting column is provided with four mounting holes, namely a front mounting hole, a rear mounting hole, a left mounting hole and a right mounting hole, the front groove wall of the through groove of the base is provided with a first shaft penetrating hole in the front-rear direction, the base is provided with a first mounting shaft in the first shaft penetrating hole, the rear end part of the first mounting shaft is inserted into the front mounting hole of the supporting column, the right groove wall of the through groove of the base is provided with a second shaft penetrating hole in the left-right direction, the base is provided with a second mounting shaft in the second shaft penetrating hole, the left end part of the second mounting shaft is inserted into the right mounting hole of the supporting column, and the supporting column is mounted on the front side of the sewing needle in such a way;
a third through shaft hole in the left-right direction is formed in the right groove wall of the through groove of the base, the third through shaft hole is positioned on the rear side of the second through shaft hole, and a third mounting shaft is arranged in the third through shaft hole of the base; the first mounting shaft is withdrawn from the front mounting hole of the support column, the second mounting shaft is withdrawn from the right mounting hole of the support column, the support column can rotate to the rear side of the sewing needle by taking the sewing needle as the center, in this state, the rear mounting hole of the support column is forwards aligned with the first mounting shaft, the left mounting hole is rightwards aligned with the third mounting shaft, the rear end part of the first mounting shaft is inserted into the rear mounting hole of the support column, the third mounting shaft is inserted into the left mounting hole of the support column, and the support column is mounted on the rear side of the sewing needle in this way;
and a third bevel gear is sleeved on the rear side of the second bevel gear of the universal driving shaft, the support column is arranged on the rear side of the sewing needle, and the third bevel gear is meshed with the first bevel gear to drive the first bevel gear to rotate so as to drive the large kettle to synchronously move with the sewing needle.
Furthermore, the four mounting holes of the support column are the same in size, and the three mounting shafts are the same in diameter.
Furthermore, the four mounting holes of the support column are threaded holes; external threads are arranged on the outer peripheral sides of the rear end of the first mounting shaft, the left end of the second mounting shaft and the left end of the third mounting shaft; the end part of the mounting shaft is rotatably inserted into the mounting hole in a threaded fit mode.
Furthermore, the first through shaft hole, the second through shaft hole and the third through shaft hole are through holes; the front end part of the first mounting shaft extends forwards to the outside of the first through shaft hole and is provided with a handle; the right end part of the second mounting shaft extends out of the second through shaft hole towards the right and is provided with a handle; the third installation axle right-hand member portion stretches out outside the third shaft hole of wearing to the right side to be equipped with the handle.
Further, the second bevel gear and the third bevel gear are opposite in direction.
The support column can be arranged on the front side of the sewing needle and can also be arranged on the rear side of the sewing needle, so that the sewing machine can be suitable for large-bend fabrics and small-bend fabrics. If the support column is positioned on the front side of the sewing needle, the driving mechanism drives the first bevel gear to rotate through the universal driving shaft and the second bevel gear, so that the cauldron is driven to synchronously move with the sewing needle. If the support column is positioned at the rear side of the sewing needle, the driving mechanism drives the first bevel gear to rotate through the universal driving shaft and the third bevel gear, so that the cauldron is driven to synchronously move with the sewing needle. No matter the support column is positioned on the front side of the sewing machine or on the rear side of the sewing machine, the driving mechanism can drive the large kettle to enable the large kettle and the sewing needle to move synchronously.
Drawings
FIG. 1 is an isometric view of a sewing machine from an oblique upward view toward the sewing machine with a support post on the forward side of the sewing needle.
FIG. 2 is an isometric view of the sewing machine from a perspective looking obliquely downward into the sewing machine with the support post positioned on the front side of the sewing machine.
Fig. 3 is a partially enlarged view of fig. 2, in which a portion a of fig. 2 is enlarged.
FIG. 4 is an isometric view of the sewing machine from an oblique upward view toward the sewing machine with the support post on the back side of the sewing needle.
FIG. 5 is an isometric view of the sewing machine from a perspective looking obliquely downward into the sewing machine with the support post positioned at the rear of the sewing machine.
Fig. 6 is a partially enlarged view of fig. 5, in which a portion B of fig. 6 is enlarged.
Detailed Description
The invention will be described in further detail with reference to specific embodiments.
The sewing machine adaptable to different bending angles is shown in figure 1, with the direction indicated by the arrow E in figure 1 as the front and the direction indicated by the arrow F in figure 1 as the left. The sewing machine comprises a base 1, a machine head 2 is arranged on the base 1, a support column 3 is arranged below the machine head 2, the machine head 2 is provided with a sewing needle 21 and a driving mechanism 22 which are downwards aligned to the rear edge of the support column 3, the support column 3 is positioned on the front side of the sewing needle 21 and is provided with a large kettle (not shown in the figure) matched with the sewing needle 21, and the driving mechanism 22 and the large kettle are in the prior art. An operator puts two pieces of fabric on the supporting column 3 at different angles, the supporting column 3 is used for supporting the fabric, then the machine head 2 is operated, the driving mechanism 22 of the machine head 2 drives the sewing needle 21 to move to sew the two pieces of fabric together to form a piece of fabric with a large bending angle, in the process, the large kettle and the sewing needle 21 move synchronously to realize mutual matching, therefore, as shown in figure 2, the rear part of the base 1 is provided with a driving groove 100 which is communicated up and down, the lower part of the base 1 of the sewing machine is provided with a linkage mechanism 19, and the driving mechanism 22 extends to the lower part of the base 1 through the driving groove 100 and drives and connects the linkage mechanism 19. When the driving mechanism 22 drives the sewing needle 21 to move, the big kettle is driven to move synchronously through the linkage mechanism 19.
Referring to fig. 2 and 3, a through groove 10 is formed in the front of the base 1 and penetrates up and down, and the supporting column 3 is disposed at the through groove 10. The side surface of the supporting column 3 is provided with four mounting holes 35, 36 (see fig. 6), 37 (see fig. 6) and 38 with the same size, and the four mounting holes 35, 36 (see fig. 6), 37 (see fig. 6) and 38 are all threaded holes. The front groove wall of the through groove 10 of the base 1 is provided with a first through shaft hole 151 in the front-back direction, the base 1 is provided with a first mounting shaft 152 in the first through shaft hole 151, the right groove wall of the through groove 10 of the base is provided with a second through shaft hole 181 in the left-right direction, and the base 1 is provided with a second mounting shaft 182 in the second through shaft hole 181. The first and second mounting shafts 152, 182 are the same diameter. The outer periphery of the rear end of the first mounting shaft 152 is provided with an external thread, the rear end of the first mounting shaft 152 is rotatably inserted into the front mounting hole 35 of the support column 3 by means of screw-fitting, the outer periphery of the left end of the second mounting shaft 182 is provided with an external thread, the left end of the second mounting shaft 182 is rotatably inserted into the right mounting hole 38 of the support column 3 by means of screw-fitting, and the support column 3 is mounted on the front side of the sewing needle 21 in this way. The bottom of the supporting column 3 extends to the lower part of the base 1 through the through groove 10, and is provided with a first bevel gear 31, the first bevel gear 31 is connected to the large kettle by being driven by a large kettle shaft (not shown in the figure), the large kettle shaft refers to the large kettle shaft of the supporting column disclosed in patent document CN2623730Y, which is not described in detail in this embodiment. The linkage mechanism 19 comprises a linkage shaft 11 positioned below the base 1 and a second bevel gear 12 sleeved outside the linkage shaft 11, wherein the second bevel gear 12 is meshed with the first bevel gear 31. The driving mechanism 22 is connected with the linkage shaft 11 in a driving way. When the driving mechanism 22 drives the sewing needle 21 to move, the driving linkage shaft 11 rotates around the axis of the driving linkage shaft, and the second bevel gear 12 rotates around the axis of the driving linkage shaft, so that the first bevel gear 31 is driven to rotate around the axis of the driving linkage shaft, and the driving linkage shaft and the sewing needle 21 are driven to synchronously move to realize mutual matching.
Referring to fig. 2 and 3, a third through hole 171 is formed in the right wall of the through slot 10 of the base 1 in the left-right direction, the third through hole 171 is located at the rear side of the second through hole 181, a third mounting shaft 172 is disposed in the third through hole 171 of the base 1, and an external thread is disposed on the outer peripheral side of the left end of the third mounting shaft 172. The three mounting shafts 152, 182, 172 are of the same diameter. The three through- hole holes 151, 181, 171 are through holes. The front end of the first mounting shaft 152 extends forward out of the first through-hole 151 and is provided with a first handle 153. The right end of the second mounting shaft 182 extends out of the second through hole 181 and is provided with a second handle 183. The right end of the third mounting shaft 172 extends out of the third through hole 171 and is provided with a third handle 173. Before sewing the fabric with a small corner, an operator holds the support pillar 3, then rotates the first handle 153 to drive the first mounting shaft 152 to rotate forward until the first mounting shaft 152 exits from the front mounting hole 35 of the support pillar 3, then rotates the second handle 183 to drive the second mounting shaft 182 to rotate rightward until the second mounting shaft 182 exits from the right mounting hole 38 of the support pillar 3, then, referring to fig. 4, the operator rotates the support pillar 3 to the rear side of the support pillar 21 with the needle 21 as the center, in this state, referring to fig. 5 and 6, the rear mounting hole 36 of the support pillar 3 is aligned forward with the first mounting shaft 152, the left mounting hole 37 is aligned rightward with the third mounting shaft 172, the operator pushes the first handle 153 backward to drive the first mounting shaft 152 to move backward until the external thread at the rear end of the first mounting shaft 152 contacts with the thread of the rear mounting hole 36 of the support pillar 3, then, rotates the first handle 153 to drive the first mounting shaft 152 to rotate, so that the rear end of the first mounting shaft 152 is inserted into the rear mounting hole 36 of the support pillar 3 by means of thread matching with the thread, and then, the operator pushes the third handle to drive the left mounting shaft 172 to rotate the left mounting shaft 172 by means of the thread of the left mounting shaft 173, and then, the left mounting shaft 21, the left mounting shaft is rotated by means of the sewing machine, and the left mounting shaft 21, the operator, the left mounting shaft is inserted into the left mounting shaft 172 of the sewing machine, and the left mounting shaft.
Referring to fig. 5 and 6, the linkage mechanism 19 includes a third bevel gear 13, the third bevel gear 13 is sleeved outside the linkage shaft 11 and is located at the rear side of the second bevel gear 12, that is, the linkage shaft 11 is sleeved with the third bevel gear 13 at the rear side of the second bevel gear 12. The third bevel gear 13 is in the opposite direction to the second bevel gear 12. Under the state that the support column 3 is installed on the rear side of the sewing needle 21, the first bevel gear 31 is meshed with the third bevel gear 13, when the driving mechanism 22 drives the sewing needle 21 to move, the driving linkage shaft 11 rotates around the axis of the driving linkage shaft, the third bevel gear 13 is driven to rotate around the axis of the driving linkage shaft, the first bevel gear 31 is driven to rotate around the axis of the driving linkage shaft, and the cauldron is driven to synchronously move with the sewing needle 21 to realize mutual matching.
The above description is only the embodiments of the present invention, and the scope of protection is not limited thereto. The insubstantial changes or substitutions will now be made by those skilled in the art based on the teachings of the present invention, which fall within the scope of the claims.
Claims (5)
1. Sewing machine of adaptable different bent angles, the on-line screen storage device comprises a base, be equipped with the aircraft nose on the base, it is used for supporting the surface fabric to be equipped with the support column below the aircraft nose, the aircraft nose has the sewing needle and the actuating mechanism that the motion of drive sewing needle of following edge carries out the sewing to the surface fabric down to aim at the support column back porch, the support column is located the sewing needle front side, be equipped with the cauldron with sewing needle complex, the base is opened logical groove that link up from top to bottom, the support column bottom extends the base below through leading to the groove, and be equipped with first bevel gear, first bevel gear drive connects the cauldron, the sewing machine is equipped with universal driving shaft and the second bevel gear of cover outside the universal driving shaft in the base below, the first bevel gear of second bevel gear meshing, universal driving mechanism is connected, driven the rotation of actuating mechanism, thereby drive first bevel gear rotation, drive cauldron makes its and sewing needle synchronous motion, its characterized in that:
the side surface of the supporting column is provided with four mounting holes, namely a front mounting hole, a rear mounting hole, a left mounting hole and a right mounting hole, the front groove wall of the through groove of the base is provided with a first through shaft hole in the front-rear direction, the base is provided with a first mounting shaft in the first through shaft hole, the rear end part of the first mounting shaft is inserted into the front mounting hole of the supporting column, the right groove wall of the through groove of the base is provided with a second through shaft hole in the left-right direction, the base is provided with a second mounting shaft in the second through shaft hole, the left end part of the second mounting shaft is inserted into the right mounting hole of the supporting column, and the supporting column is mounted on the front side of the sewing needle in such a way;
a third through shaft hole in the left-right direction is formed in the right groove wall of the through groove of the base, the third through shaft hole is positioned on the rear side of the second through shaft hole, and a third mounting shaft is arranged in the third through shaft hole of the base; the first mounting shaft is withdrawn from the front mounting hole of the support column, the second mounting shaft is withdrawn from the right mounting hole of the support column, the support column can rotate to the rear side of the sewing needle by taking the sewing needle as the center, in this state, the rear mounting hole of the support column is forwards aligned with the first mounting shaft, the left mounting hole is rightwards aligned with the third mounting shaft, the rear end part of the first mounting shaft is inserted into the rear mounting hole of the support column, the third mounting shaft is inserted into the left mounting hole of the support column, and the support column is mounted on the rear side of the sewing needle in this way;
and a third bevel gear is sleeved on the rear side of the second bevel gear of the linkage shaft, the support column is arranged on the rear side of the sewing needle, and the third bevel gear is meshed with the first bevel gear to drive the first bevel gear to rotate so as to drive the large kettle to synchronously move with the sewing needle.
2. The sewing machine of claim 1, wherein: the four mounting hole sizes in front of, back, left and right of support column are the same, and three installation axle diameters are the same.
3. The sewing machine of claim 1, wherein: the four mounting holes of the support column are threaded holes; external threads are arranged on the outer peripheral sides of the rear end of the first mounting shaft, the left end of the second mounting shaft and the left end of the third mounting shaft; the end part of the mounting shaft is rotatably inserted into the mounting hole in a threaded fit mode.
4. The sewing machine of claim 1, wherein: the first, second and third through shaft holes are through holes; the front end part of the first mounting shaft extends forwards to the outside of the first through shaft hole and is provided with a handle; the right end part of the second mounting shaft extends out of the second through shaft hole towards the right and is provided with a handle; the third installation axle right-hand member portion stretches out outside the third shaft hole of wearing to the right side to be equipped with the handle.
5. The sewing machine according to any one of claims 1 to 4, characterized in that: the second bevel gear and the third bevel gear are opposite in direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222635715.7U CN218232783U (en) | 2022-10-08 | 2022-10-08 | Sewing machine adaptable to different bend angles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222635715.7U CN218232783U (en) | 2022-10-08 | 2022-10-08 | Sewing machine adaptable to different bend angles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218232783U true CN218232783U (en) | 2023-01-06 |
Family
ID=84668481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222635715.7U Active CN218232783U (en) | 2022-10-08 | 2022-10-08 | Sewing machine adaptable to different bend angles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218232783U (en) |
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2022
- 2022-10-08 CN CN202222635715.7U patent/CN218232783U/en active Active
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