CN219637487U - Main shaft transmission structure of small-mouth overedger - Google Patents
Main shaft transmission structure of small-mouth overedger Download PDFInfo
- Publication number
- CN219637487U CN219637487U CN202320522413.0U CN202320522413U CN219637487U CN 219637487 U CN219637487 U CN 219637487U CN 202320522413 U CN202320522413 U CN 202320522413U CN 219637487 U CN219637487 U CN 219637487U
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- CN
- China
- Prior art keywords
- power output
- output shaft
- overedger
- impeller
- main shaft
- 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.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 12
- 230000008878 coupling Effects 0.000 claims abstract description 23
- 238000010168 coupling process Methods 0.000 claims abstract description 23
- 238000005859 coupling reaction Methods 0.000 claims abstract description 23
- 238000009958 sewing Methods 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 210000000078 claw Anatomy 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009957 hemming Methods 0.000 claims 3
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a main shaft transmission structure of a small-mouth overedger, which comprises a sewing main shaft arranged in an overedger seat and a driving motor arranged at the rear end of the overedger seat, wherein a power output shaft is arranged in the driving motor, the power output shaft axially drives two ends of the driving motor to extend out, one end of the power output shaft is connected with the sewing main shaft through a motor coupling piece, a protective sleeve sleeved on the motor coupling piece and an impeller, and the other end of the power output shaft is provided with a hand wheel. According to the utility model, the motor coupling piece and the impeller are driven to rotate through the power output shaft, so that the sewing main shaft is driven to synchronously rotate, the air flow generated by rotation of the impeller plays a role in heat dissipation of the overedger, the working efficiency, the performance and the service life of the overedger are improved, no additional power or heat dissipation objects are needed, and the overedger has a simple structure and effectively saves space.
Description
Technical Field
The utility model relates to the technical field of sewing, in particular to a main shaft transmission structure of a small-mouth overedger.
Background
In the use process of the overedger, the motor is driven to run through the electric control system, a large amount of heat can be generated when the motor works, when the heat cannot be timely emitted, the internal components of the overedger can be aged too quickly, even the motor and the circuit board can be burnt, and the service life of the overedger is reduced. In order to reduce the temperature of the overedger, the prior art is to arrange an impeller structure on a hand wheel, the impeller structure is driven by a motor shaft to rotate together, and the rotation of the impeller structure sends external air into the motor for heat dissipation.
Disclosure of Invention
Aiming at the current state of the art, the utility model provides a main shaft transmission structure of a small-mouth overedger, which is characterized in that an impeller is integrated on the main shaft transmission structure to radiate heat of a driving motor, so that the structural design is simplified, the working efficiency, the performance and the service life of the overedger are improved.
The technical scheme adopted for solving the technical problems is as follows: the main shaft transmission structure of the small-mouth overedger comprises a sewing main shaft arranged in an overedger seat and a driving motor arranged at the rear end of the overedger seat, wherein a power output shaft is arranged in the driving motor, two ends of the power output shaft axially drive the motor to extend out, one end of the power output shaft is connected with the sewing main shaft through a motor coupling piece, a protective sleeve sleeved on the motor coupling piece and an impeller, and a hand wheel is arranged at the other end of the power output shaft.
In order to optimize the technical scheme, the utility model further comprises the following improved technical scheme.
The middle part of the motor coupling part is provided with a first through hole for installing a power output shaft; three first convex claws are uniformly arranged on the end face of the motor coupling piece in the circumferential direction, three convex claw sleeves are uniformly arranged on the end face of the protective sleeve, and a cavity which is convenient for the first convex claws to be embedded is formed in each convex claw sleeve.
The motor coupling piece is characterized in that a first threaded hole is formed in the circumferential surface of the motor coupling piece, and a first fixing bolt used for fixing the power output shaft is arranged in the first threaded hole.
The impeller comprises a shaft installation part positioned in the middle, and a second through hole for installing the sewing main shaft is formed in the center of the shaft installation part.
The shaft mounting part is fixedly connected with the outer fan blade mounting part through three connecting parts; a clamping groove is formed between every two connecting parts and is matched with the claw sleeve on the protective sleeve.
A plurality of fan blades are uniformly arranged on the circumferential surface of the fan blade mounting part, and an air outlet is formed in an overedger seat at the lower side of the impeller.
And the periphery of the impeller is uniformly provided with three second threaded holes penetrating through the fan blade mounting part, the connecting part and the shaft mounting part, and each second threaded hole is provided with a rotatable second fixing bolt.
Compared with the prior art, the main shaft transmission structure drives the motor coupling piece and the impeller to rotate through the power output shaft, so that the sewing main shaft is driven to rotate synchronously, the air flow generated by rotation of the impeller plays a role in heat dissipation of the overedger, the working efficiency, the performance and the service life of the overedger are improved, additional power or heat dissipation objects are not needed, and the main shaft transmission structure is simple in structure and effectively saves space.
Drawings
Fig. 1 is a cross-sectional view of an embodiment of the present utility model.
Fig. 2 is an enlarged schematic view of a in fig. 1.
Fig. 3 is an exploded view of the connection assembly of the present utility model.
Description of the embodiments
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 3 are schematic structural views of the present utility model.
Wherein the reference numerals are as follows: the sewing machine comprises an overedger seat 1, a sewing main shaft 2, a driving motor 3, a power output shaft 4, a hand wheel 5, a motor coupling piece 6, a first convex claw 7, a protective sleeve 8, a convex claw sleeve 9, a first threaded hole 10, a first fixing bolt 11, an impeller, a shaft mounting part 12a, a connecting part 12b, a fan blade mounting part 12c, a clamping groove 13, an air outlet 14, a fan blade 15, a second fixing bolt 16, a second threaded hole 17, a first through hole 18 and a second through hole 19.
The utility model relates to a main shaft transmission structure of a small-mouth overedger, which comprises a sewing main shaft 2 arranged in an overedger seat 1 and a driving motor 3 arranged at the rear end of the overedger seat 1, wherein a power output shaft 4 is arranged in the middle of the driving motor 3, and the power output shaft 4 extends out towards two ends. One end of the power output shaft 4 is connected with the sewing main shaft 2, and a hand wheel 5 is arranged at the other end of the power output shaft 4.
The power output shaft 4 is connected with the sewing spindle 2 through a motor coupling piece 6 and a protective sleeve 8 sleeved on the motor coupling piece 6. The middle part of the motor coupling 6 is provided with a first through hole 18 for installing the power output shaft 4. Three first convex claws 7 are uniformly arranged on one end surface of the motor coupling piece 6 in the circumferential direction, three convex claw sleeves 9 are uniformly arranged on one end surface of the protective sleeve 8 in the circumferential direction, and a cavity which is convenient for the first convex claws 7 to be sleeved in is formed in the middle of each convex claw sleeve 9. The protective sleeve 8 is made of rubber material and plays a role in protecting the motor coupling 6.
Three first threaded holes 10 are uniformly formed in the circumferential surface of the motor coupling member 6, and a first rotatable fixing bolt 11 is arranged in each first threaded hole 10. The first fixing bolt 11 is manually rotated to fix the motor coupling member 6 to the power output shaft 4.
The impeller comprises a shaft mounting part 12a in the middle, and a second through hole 19 for mounting the sewing main shaft 2 is formed in the middle of the shaft mounting part 12 a. The shaft mounting portion 12a is fixedly connected to the outer fan blade mounting portion 12c through three connecting portions 12 b. A clamping groove 13 is formed between every two connecting parts 12b, the clamping groove 13 is matched with the claw sleeve 9 on the protective sleeve 8, and the claw sleeve 9 is clamped in the clamping groove 13 to drive the impeller to rotate synchronously. A plurality of fan blades 15 are uniformly arranged on the circumferential surface of the fan blade mounting part 12c, and an air outlet 14 is formed on the overedger seat 1 at the lower side of the impeller.
Three second threaded holes 17 penetrating through the fan blade mounting part 12c, the connecting part 12b and the shaft mounting part 12a are uniformly formed in the circumferential surface of the impeller, and a rotatable second fixing bolt 16 is arranged in each second threaded hole 17. Three second fixing bolts 16 are located on the circumferential surface of the impeller to facilitate the disassembly or assembly of the impeller by an operator. The second fixing bolt 16 is manually rotated to fix the impeller on the sewing spindle 2, and the impeller drives the sewing spindle 2 to synchronously rotate under the driving of the driving motor 3.
When the overedger works, the driving motor 3 drives the sewing main shaft 2 and the impeller to rotate, part of air flow is sucked from the rear end of the driving motor 3 and cooled by the driving motor 3 through the internal coil, and part of air flow also enters from the electric cabinet wall radiating holes and is discharged from the air outlet 14 at the bottom of the overedger seat 1 under the action of the impeller, and the main shaft transmission structure plays a role of radiating heat of the overedger when working, does not need to adopt extra power or a radiator, and has simple structure and effectively saves space.
The preferred embodiments of this utility model have been described so far that various changes or modifications may be made by one of ordinary skill in the art without departing from the scope of this utility model.
Claims (7)
1. The utility model provides a little mouth hemming machine's main shaft transmission structure, includes sewing main shaft (2) and dress at hemming machine seat (1) rear end (3) that set up in the inside of hemming machine seat (1), characterized by: the novel sewing machine is characterized in that a power output shaft (4) is arranged inside the driving motor (3), the power output shaft (4) extends out to two ends of the driving motor (3), one end of the power output shaft (4) is connected with the sewing spindle (2) through a motor coupling piece (6), a protective sleeve (8) sleeved on the motor coupling piece (6) and an impeller, and a hand wheel (5) is arranged at the other end of the power output shaft (4).
2. The spindle drive of claim 1 wherein: a first through hole (18) for installing the power output shaft (4) is formed in the middle of the motor coupling piece (6); three first convex claws (7) are uniformly arranged on the end face of the motor coupling piece (6) in the circumferential direction, three convex claw sleeves (9) are uniformly arranged on the end face of the protective sleeve (8), and a cavity which is convenient for embedding the first convex claws (7) is formed in each convex claw sleeve (9).
3. The spindle drive according to claim 2, wherein: a first threaded hole (10) is formed in the circumferential surface of the motor coupling piece (6), and a first fixing bolt (11) used for fixing the power output shaft (4) is arranged in the first threaded hole (10).
4. A spindle drive according to claim 3, wherein: the impeller comprises a shaft mounting part (12 a) positioned in the middle, and a second through hole (19) for mounting the sewing main shaft (2) is formed in the center of the shaft mounting part (12 a).
5. The spindle drive of claim 4 wherein: the shaft mounting part (12 a) is fixedly connected with the outer fan blade mounting part (12 c) through three connecting parts (12 b); a clamping groove (13) is formed between every two connecting parts (12 b), and the clamping groove (13) is matched with the claw sleeve (9) on the protective sleeve (8).
6. The spindle drive of claim 5 wherein: a plurality of fan blades (15) are uniformly arranged on the circumferential surface of the fan blade mounting part (12 c), and an air outlet (14) is formed in the overedger seat (1) at the lower side of the impeller.
7. The spindle drive of claim 6 wherein: three second threaded holes (17) penetrating through the fan blade mounting part (12 c), the connecting part (12 b) and the shaft mounting part (12 a) are uniformly formed in the circumferential surface of the impeller, and each second threaded hole (17) is provided with a second rotatable fixing bolt (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320522413.0U CN219637487U (en) | 2023-03-17 | 2023-03-17 | Main shaft transmission structure of small-mouth overedger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320522413.0U CN219637487U (en) | 2023-03-17 | 2023-03-17 | Main shaft transmission structure of small-mouth overedger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219637487U true CN219637487U (en) | 2023-09-05 |
Family
ID=87809018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320522413.0U Active CN219637487U (en) | 2023-03-17 | 2023-03-17 | Main shaft transmission structure of small-mouth overedger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219637487U (en) |
-
2023
- 2023-03-17 CN CN202320522413.0U patent/CN219637487U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |