CN210151363U - Hand wheel for sewing machine - Google Patents
Hand wheel for sewing machine Download PDFInfo
- Publication number
- CN210151363U CN210151363U CN201920772966.5U CN201920772966U CN210151363U CN 210151363 U CN210151363 U CN 210151363U CN 201920772966 U CN201920772966 U CN 201920772966U CN 210151363 U CN210151363 U CN 210151363U
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- rubber
- wheel body
- connecting rod
- outer ring
- hand wheel
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Abstract
The utility model provides a hand wheel for sewing machine, including wheel body and rubber antiskid cover, the outside of wheel body still is equipped with a plurality of dogs, one side that the dog deviates from the connecting seat is fixed with perpendicularly and the connecting rod, the end fixing of connecting rod has a magnetic path, rubber antiskid cover includes rubber inner circle and rubber outer lane, the rubber outer lane sets up in the rubber inner circle outside, and both connect through the rubber go-between, form one between rubber inner circle, rubber outer lane and the rubber go-between and be used for the cover to establish the holding chamber that holds the wheel body, and the rubber go-between that is located at the bottom of the holding chamber butts with one side of wheel body; the rubber outer lane is close to one side butt that holds the chamber opening on the dog, and is equipped with one in it and can cup joints the recess outside the connecting rod, and the tank bottom of recess is equipped with magnetic path complex iron plate, the utility model discloses mode of accessible installation rubber antiskid cover prevents that it from skidding when rotatory, but and antiskid cover hand wheel can realize quick installation change for it dismantles comparatively conveniently, and makes later maintenance comparatively simple.
Description
Technical Field
The utility model relates to a hand wheel, especially a hand wheel for sewing machine.
Background
In the existing sewing machine, a driving device such as a motor is usually installed in a sewing machine casing, a needle bar at the head of the machine and a needle at the lower end of the needle bar are driven to move up and down by a series of transmission components, and in order to adjust the up-and-down position of the needle, a hand wheel is usually arranged on a motor shaft behind the motor, and the hand wheel is manually rotated to drive an upper shaft to rotate so as to adjust the height of the needle, so that manual sewing is performed.
However, the existing hand wheel is generally made of steel rings, the inner side and the outer side of the hand wheel are smooth, a user can slip easily when holding and rotating the hand wheel, the normal operation of the user is not facilitated, and the rotation precision of the hand wheel is reduced, so that the quality of fabrics sewn by the sewing machine is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hand wheel for sewing machine, mode of accessible installation rubber antiskid cover skids when preventing it from rotating, but and antiskid cover hand wheel can realize quick installation change for it dismantles comparatively conveniently, and makes later maintenance comparatively simple.
The utility model provides a following technical scheme:
a hand wheel for a sewing machine, the sewing machine comprises a motor and a motor shaft arranged in the motor, the hand wheel comprises a cylindrical wheel body, a plurality of connecting rods are fixed on one side of the wheel body, the end parts of the connecting rods are connected with a connecting seat, the connecting seat is matched and connected with the motor shaft through a through hole in the connecting seat, and the connecting seat also comprises a rubber anti-slip sleeve, a plurality of baffle blocks are arranged on the outer side of the wheel body, one side of each baffle block, which is deviated from the connecting seat, is vertically fixed with a connecting rod, a magnetic block is fixed at the end part of the connecting rod, the rubber anti-slip sleeve comprises a rubber inner ring and a rubber outer ring, the rubber outer ring is arranged on the outer side of the rubber inner ring, the rubber inner ring, the rubber outer ring and the rubber connecting ring form an accommodating cavity for accommodating the wheel body in a sleeved mode, and the rubber connecting ring at the bottom of the accommodating cavity is abutted against one side of the wheel body;
the rubber outer ring is close to one side of the containing cavity opening and abuts against the stop block, a groove capable of being sleeved outside the connecting rod is formed in the rubber outer ring, and an iron block matched with the magnetic block is arranged at the bottom of the groove.
Preferably, the bottom of the accommodating cavity is coated with a magnetic powder layer, and the wheel body is provided with an annular iron sheet which can be matched with the magnetic powder layer.
Preferably, the outer ring of the rubber outer ring and the inner ring of the rubber inner ring are both provided with a plurality of raised rubber bumps.
The utility model has the advantages that: through setting up a plurality of dogs in the outside of wheel body for when rubber protection cover was established on the wheel body from wheel body one side cover, its rubber outer lane can the butt on the dog, and realizes through the connecting rod that the circumference of rubber outer lane is spacing, and the attraction of magnetic path and iron plate not only can realize that rubber antiskid cover can be quick installation fix on the wheel body, also makes it when separating rubber antiskid cover, also can not necessarily harm rubber antiskid cover, realizes its quick installation and dismantlement, makes the maintenance to the later stage comparatively convenient.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a sectional view of the structure of the wheel body and the rubber anti-slip cover of the present invention after separation;
FIG. 2 is a side view of the wheel body;
notation in the figure: 1 is the wheel body, 2 is the connecting seat, 3 is the connecting rod, 4 is the dog, 5 is the connecting rod, 6 is the magnetic path, 7 is the rubber inner circle, 8 is the rubber outer lane, 9 is the rubber go-between, 10 is for holding the chamber, 11 is the recess, 12 is the iron plate, 13 is the magnetic powder layer, 14 is annular iron sheet, 15 is rubber lug.
Detailed Description
Referring to fig. 1 to 2, in this embodiment, the sewing machine includes a motor and a motor shaft disposed in the motor, the hand wheel includes a cylindrical wheel body 1, a plurality of connecting rods 3 are fixed on one side of the wheel body 1, an end of each connecting rod 3 is connected to a connecting base 2, the connecting base 2 is coupled to the motor shaft through a through hole in the connecting base, the hand wheel further includes a rubber anti-slip cover, a plurality of stoppers 4 are further disposed on an outer side of the wheel body 1, a connecting rod 5 is perpendicularly fixed on a side of each stopper 4 away from the connecting base 2, a magnetic block 6 is fixed on an end of the connecting rod 5, the rubber anti-slip cover includes a rubber inner ring 7 and a rubber outer ring 8, the rubber outer ring 8 is disposed on an outer side of the rubber inner ring 7 and connected to the rubber outer ring by a rubber connecting ring 9, a receiving cavity 10 for receiving the wheel body 1 is formed between the rubber, and the rubber connecting ring 9 positioned at the bottom of the accommodating cavity 10 is abutted against one side of the wheel body 1;
one side of the rubber outer ring 8 close to the opening of the accommodating cavity 10 is abutted against the stop block 4, a groove 11 which can be sleeved outside the connecting rod 5 is formed in the rubber outer ring, and an iron block 12 matched with the magnetic block 6 is arranged at the bottom of the groove 11.
The bottom of the accommodating cavity 10 is coated with a magnetic powder layer 13, and the wheel body 1 is provided with an annular iron sheet 14 which can be matched with the magnetic powder layer 13, so that the fixing effect of the rubber anti-slip sleeve can be enhanced.
The outer ring of the rubber outer ring 8 and the inner ring of the rubber inner ring 7 are both provided with a plurality of raised rubber bumps 15, so that the friction force between the hand and the rubber anti-slip sleeve can be enhanced.
The utility model discloses a theory of operation is: through setting up a plurality of dog 4 in the outside of wheel body 1 for when the rubber lag overlaps from wheel body 1 one side cover and establishes on wheel body 1, its rubber outer lane 8 can the butt on dog 4, and it is spacing to realize the circumference of rubber outer lane through connecting rod 5, the attraction of magnetic path 6 and iron plate 12, not only can realize that the installation that rubber antiskid cover can be quick is fixed on wheel body 1, also make it when separating rubber antiskid cover, also can not necessarily harm rubber antiskid cover, realize its quick installation and dismantlement, it is comparatively convenient to make the maintenance to the later stage.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A hand wheel for a sewing machine comprises a motor and a motor shaft arranged in the motor, the hand wheel comprises a cylindrical wheel body, a plurality of connecting rods are fixed on one side of the wheel body, the end part of each connecting rod is connected with a connecting seat, the connecting seat is connected with the motor shaft through a through hole in the connecting seat in a matching manner, the hand wheel is characterized by further comprising a rubber anti-skidding sleeve, a plurality of stop blocks are further arranged on the outer side of the wheel body, one side, deviating from the connecting seat, of each stop block is vertically fixed with a connecting rod, a magnetic block is fixed on the end part of each connecting rod, the rubber anti-skidding sleeve comprises a rubber inner ring and a rubber outer ring, the rubber outer ring is arranged on the outer side of the rubber inner ring, the rubber inner ring and the rubber outer ring are connected through rubber connecting rings, and a containing cavity for containing the wheel body is, the rubber connecting ring positioned at the bottom of the accommodating cavity is abutted against one side of the wheel body;
the rubber outer ring is close to one side of the containing cavity opening and abuts against the stop block, a groove capable of being sleeved outside the connecting rod is formed in the rubber outer ring, and an iron block matched with the magnetic block is arranged at the bottom of the groove.
2. The handwheel for sewing machines of claim 1, wherein the bottom of the accommodating cavity is coated with a magnetic powder layer, and the wheel body is provided with an annular iron sheet capable of matching with the magnetic powder layer.
3. The hand wheel for the sewing machine of claim 1, wherein the outer ring of the rubber outer ring and the inner ring of the rubber inner ring are provided with a plurality of raised rubber bumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772966.5U CN210151363U (en) | 2019-05-27 | 2019-05-27 | Hand wheel for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920772966.5U CN210151363U (en) | 2019-05-27 | 2019-05-27 | Hand wheel for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210151363U true CN210151363U (en) | 2020-03-17 |
Family
ID=69760602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920772966.5U Active CN210151363U (en) | 2019-05-27 | 2019-05-27 | Hand wheel for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210151363U (en) |
-
2019
- 2019-05-27 CN CN201920772966.5U patent/CN210151363U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |