CN211676090U - Inner magnetic type magnetic control inertia wheel structure - Google Patents
Inner magnetic type magnetic control inertia wheel structure Download PDFInfo
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- CN211676090U CN211676090U CN202020057362.5U CN202020057362U CN211676090U CN 211676090 U CN211676090 U CN 211676090U CN 202020057362 U CN202020057362 U CN 202020057362U CN 211676090 U CN211676090 U CN 211676090U
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Abstract
The utility model discloses an inner magnetic type magnetic control inertia wheel structure, which comprises a wheel disc body, a wheel inner sleeve and a strip aluminum sheet, wherein the wheel disc body comprises a circular plate made of a steel plate or an iron plate and a hem formed by integrally bending the peripheral edge of the circular plate to one side end face in a stretch forming mode, the hem and the circular plate are approximately 90 degrees, and a through hole is arranged in the middle of the circular plate; the wheel inner sleeve is cylindrical, the wheel inner sleeve is fixed at a through hole in the middle of a circular plate of the wheel disc body, and two ends of the wheel inner sleeve respectively protrude out of two side end surfaces of the circular plate; the both ends of rectangular aluminum sheet are equipped with the concave-convex structure that can mutually support respectively, and this rectangular aluminum sheet is curved into circularly and is supported tightly through the concave-convex structure butt joint at both ends the inboard one side of hem. The utility model has the characteristics of inertia is big, and dynamic balance is better, and the cost is lower, and the preparation is convenient.
Description
Technical Field
The utility model relates to the technical field of fitness equipment, in particular to an inner magnetic type magnetic control inertia wheel structure for fitness equipment.
Background
Inertia wheels are commonly used in many sports fitness equipment, for example, inertia wheels can be used for a spinning bike and an exercise bicycle, and inertia wheels can be used for a rowing machine, the spinning bike, the exercise bicycle and the rowing machine have important functions of providing resistance adjustment, and most of the existing spinning bike, the exercise bicycle and the rowing machine adopt magnetic control structures to achieve resistance adjustment. The existing magnetic control inertia wheel usually comprises a wheel disc body and an aluminum sheet coated on the periphery of the wheel disc body, and the periphery of the wheel disc body is used for coating the aluminum sheet, so that the wheel disc body needs to have certain thickness.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, provide an inner magnetic type magnetic control inertia wheel structure, through institutional advancement, it is big to have inertia, and dynamic balance is better, and the cost is lower, the convenient characteristics of preparation.
The utility model provides a technical scheme that its technical problem adopted is: an internal magnetic type magnetic control inertia wheel structure, comprising:
the wheel disc body comprises a circular plate made of a steel plate or an iron plate and a folded edge which is formed by integrally bending the peripheral edge of the circular plate to one side end face in a stretching forming mode, the folded edge and the circular plate form an approximate 90-degree angle, and a through hole is formed in the middle of the circular plate;
the wheel inner sleeve is cylindrical, the wheel inner sleeve is fixed at a through hole in the middle of the circular plate of the wheel disc body, and two ends of the wheel inner sleeve respectively protrude out of two side end surfaces of the circular plate;
the two ends of the long strip aluminum sheet are respectively provided with concave-convex structures which can be matched with each other, and the long strip aluminum sheet is bent into a round shape through the concave-convex structures at the two ends and is tightly supported on one side of the inner side of the folded edge.
The outer peripheral surface of the wheel inner sleeve is provided with an outer step, the outer step of the wheel inner sleeve abuts against the hole edge of the through hole on the end surface of one side of the circular plate, and the wheel inner sleeve is fixed with the circular plate at the hole edge of the through hole on the end surface of the other side of the circular plate.
The wheel inner sleeve is fixed at a through hole in the middle of the circular plate of the wheel disc body in a welding mode.
The wheel inner sleeve is characterized in that a convex edge is arranged on the outer portion of the wheel inner sleeve along the circumferential surface, the convex edge of the wheel inner sleeve leans against the hole edge of the through hole on the end face of the other side of the circular plate, and the convex edge of the wheel inner sleeve is fixedly locked with the circular plate through screws.
Two ends in the cylinder of the wheel inner sleeve are respectively provided with an inner step for connecting a bearing; the part of the wheel inner sleeve protruding out of the other side end face of the circular plate is also provided with a belt groove for connecting a belt or a gear for connecting a chain.
The concave-convex structure is a V-shaped notch arranged at one end of the long strip aluminum sheet and a V-shaped protrusion arranged at the other end of the long strip aluminum sheet.
The flywheel comprises an inner ring and two bearings, wherein the inner ring is fixedly sleeved on the inner ring of the two bearings, one end face of each of the two bearings is respectively abutted against the inner steps at the two ends in the cylinder of the inner wheel sleeve, and the outer ring of each of the two bearings is respectively abutted against the inner walls of the cylinders at the two ends of the inner wheel sleeve.
The magnetic plate assembly in the protective cover is matched with the aluminum sheet arranged on the inner side surface of the folded edge.
The protection cover is fixed with the inertia wheel shaft fixing seat through screws.
But the guard shield is two of split, is equipped with grafting structure between two guard shields, the magnetic plate subassembly is two sets of, and two sets of magnetic plate subassemblies are the pin joint respectively in the handing-over department of two guard shields, still has connect reset spring between magnetic plate subassembly and guard shield.
The width dimension of the folded edge is larger than the thickness dimension of the circular plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model adopts a wheel disc body, a wheel inner sleeve and a strip aluminum sheet to form an inner magnetic type magnetic control inertia wheel structure for fitness equipment, and the wheel disc body comprises a circular plate made of steel plates or iron plates and a hem formed by integrally bending the peripheral edge of the circular plate to one side end face in a stretch forming mode, the hem and the circular plate are approximately 90 degrees, and the middle of the circular plate is provided with a through hole; the wheel inner sleeve is cylindrical, the wheel inner sleeve is fixed at a through hole in the middle of a circular plate of the wheel disc body in a welding mode, and two ends of the wheel inner sleeve respectively protrude out of two side end surfaces of the circular plate; the both ends of rectangular aluminum sheet are equipped with the concave-convex structure that can mutually support respectively, and this rectangular aluminum sheet is curved into circularly and is supported tightly through the concave-convex structure butt joint at both ends the inboard one side of hem. The utility model discloses a this kind of structure, it is big to have inertia, and dynamic balance is better, and the cost is lower, makes convenient characteristics.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the inner magnetic type magnetic control inertia wheel structure of the present invention is not limited to the embodiment.
Drawings
Fig. 1 is a schematic perspective view of an inertia wheel according to a first embodiment of the present invention;
fig. 2 is an exploded perspective view of an inertia wheel according to a first embodiment of the present invention;
fig. 3 is a sectional view of the inertia wheel according to the first embodiment of the present invention;
fig. 4 is an exploded view of a first embodiment of the present invention;
fig. 5 is a schematic perspective view of an inertia wheel according to a second embodiment of the present invention;
fig. 6 is an exploded perspective view of an inertia wheel according to a second embodiment of the present invention;
fig. 7 is a sectional view of the flywheel according to the second embodiment of the present invention.
Detailed Description
Example one
Referring to fig. 1 to 4, the internal magnetic type magnetic control inertia wheel structure of the present invention includes:
a wheel disc body 1, the wheel disc body 1 comprises a circular plate 11 made of a steel plate or an iron plate and a folded edge 12 which is integrally bent from the peripheral edge of the circular plate 11 to one side end face in a stretching forming mode, the folded edge 12 and the circular plate 11 are approximately 90 degrees, and a through hole 13 is arranged in the middle of the circular plate 11;
the wheel inner sleeve 2 is cylindrical, the wheel inner sleeve 2 is fixed at a through hole 13 in the middle of a circular plate 11 of the wheel disc body 1 in a welding mode, and two ends of the wheel inner sleeve 2 respectively protrude out of two side end faces of the circular plate 11;
a rectangular aluminum sheet 3, this rectangular aluminum sheet 3's both ends are equipped with the concave-convex structure that can mutually support respectively, and this rectangular aluminum sheet 3 is to bending into circular and supporting tightly through the concave-convex structure butt joint at both ends the inboard one side of hem 12.
In this embodiment, the outer peripheral surface of the inner sleeve 2 is provided with an outer step 21, the outer step 21 of the inner sleeve abuts against the hole edge of the through hole 13 on one side end surface of the circular plate 11, and the inner sleeve 2 and the circular plate 11 are welded and fixed at the welding position 20 at the hole edge of the through hole 13 on the other side end surface of the circular plate 11.
In this embodiment, the two ends of the inner tube of the wheel inner sleeve 2 are respectively provided with an inner step 22 for connecting a bearing; the portion of the inner wheel sleeve 2 protruding out of the other side end face of the circular plate is further provided with a belt groove 23 for connecting a belt, but may be a gear for connecting a chain.
In this embodiment, the concave-convex structure is a V-shaped notch 31 formed at one end of the long aluminum sheet 3, and a V-shaped protrusion 32 formed at the other end of the long aluminum sheet.
Further, the flywheel comprises an inertia wheel shaft 41 and two bearings 42, wherein the inertia wheel shaft 41 is respectively fixed on the inner rings of the two bearings 42 in a sleeved mode, one end face of each of the two bearings 42 respectively abuts against the inner steps 22 at the two ends in the inner tube of the inner wheel sleeve 2, and the outer rings of the two bearings 42 respectively abut against the inner walls of the two ends of the inner wheel sleeve 2.
Further, the magnetic shield 43 and the magnetic plate assembly 44 installed in the magnetic shield are included, the magnetic plate assembly 44 includes a magnetic plate and a magnet, the magnetic shield 43 is accommodated in a space enclosed by the inner side surface of the flange 12 and the end surface of one side of the circular plate 11, and the magnetic plate assembly 44 in the magnetic shield 43 is matched with the aluminum sheet 3 installed on the inner side surface of the flange 12.
Further, the flywheel inertia wheel shaft protection device further comprises an inertia wheel shaft fixing seat 45, the inertia wheel shaft fixing seat 45 is rotatably matched on the inertia wheel shaft 41, and the protection cover 43 is fixed with the inertia wheel shaft fixing seat 45 through screws.
In this embodiment, the protective cover 43 is divided into two pieces, an insertion structure 431 is disposed between the two protective covers, the two sets of magnetic plate assemblies 44 are respectively pivoted at the joint of the two protective covers, and a return spring 46 is further connected between the magnetic plate assemblies 44 and the protective cover 43.
In this embodiment, the width dimension of the flange 12 is larger than the thickness dimension of the circular plate 11.
The utility model discloses an internal magnetic type magnetic control inertia wheel structure, which adopts a wheel disc body 1, a wheel inner sleeve 2 and a strip aluminum sheet 3 to form the internal magnetic type magnetic control inertia wheel structure for fitness equipment, and the wheel disc body 1 comprises a round plate 11 made of steel plates or iron plates and a folded edge 12 which is formed by integrally bending the peripheral edge of the round plate to one side end face in a stretch forming mode, wherein the folded edge 12 and the round plate 11 are approximately 90 degrees, and a through hole 13 is arranged in the middle of the round plate 11; the wheel inner sleeve 2 is cylindrical, the wheel inner sleeve 2 is fixed at a through hole 13 in the middle of a circular plate 11 of the wheel disc body 1 in a welding mode, and two ends of the wheel inner sleeve 2 respectively protrude out of the end faces of two sides of the circular plate 11; the both ends of rectangular aluminum sheet 3 are equipped with the concave-convex structure that can mutually support respectively, and this rectangular aluminum sheet 3 is bent into circularly and is supported tightly through the concave-convex structure butt joint at both ends the inboard one side of hem 12. The utility model discloses a this kind of structure, it is big to have inertia, and dynamic balance is better, and the cost is lower, makes convenient characteristics.
Example two
Referring to fig. 5 to 7, an inner magnetic type magnetic control inertia wheel structure of the present invention is different from the first embodiment in that the inner sleeve is not fixed at the through hole in the middle of the circular plate of the wheel disc body by welding. The outer part of the inner wheel sleeve 2 is provided with a convex edge 24 along the circumferential surface, the convex edge 24 of the inner wheel sleeve 2 leans against the hole edge of the through hole 13 on the other end surface of the circular plate 11, and the convex edge 24 of the inner wheel sleeve 2 is locked and fixed with the circular plate 11 through a screw 25.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.
Claims (11)
1. An internal magnetic type magnetic control inertia wheel structure is characterized in that: the method comprises the following steps:
the wheel disc body comprises a circular plate made of a steel plate or an iron plate and a folded edge which is formed by integrally bending the peripheral edge of the circular plate to one side end face in a stretching forming mode, the folded edge and the circular plate form an approximate 90-degree angle, and a through hole is formed in the middle of the circular plate;
the wheel inner sleeve is cylindrical, the wheel inner sleeve is fixed at a through hole in the middle of the circular plate of the wheel disc body, and two ends of the wheel inner sleeve respectively protrude out of two side end surfaces of the circular plate;
the two ends of the long strip aluminum sheet are respectively provided with concave-convex structures which can be matched with each other, and the long strip aluminum sheet is bent into a round shape through the concave-convex structures at the two ends and is tightly supported on one side of the inner side of the folded edge.
2. The internal magnetic magnetron inertia wheel structure of claim 1, wherein: the outer peripheral surface of the wheel inner sleeve is provided with an outer step, the outer step of the wheel inner sleeve abuts against the hole edge of the through hole on the end surface of one side of the circular plate, and the wheel inner sleeve is fixed with the circular plate at the hole edge of the through hole on the end surface of the other side of the circular plate.
3. The internal magnetic magnetron inertia wheel structure of claim 2, wherein: the wheel inner sleeve is fixed at a through hole in the middle of the circular plate of the wheel disc body in a welding mode.
4. The internal magnetic magnetron inertia wheel structure of claim 1, wherein: the wheel inner sleeve is characterized in that a convex edge is arranged on the outer portion of the wheel inner sleeve along the circumferential surface, the convex edge of the wheel inner sleeve leans against the hole edge of the through hole on the end face of the other side of the circular plate, and the convex edge of the wheel inner sleeve is fixedly locked with the circular plate through screws.
5. The internal magnetic magnetron inertia wheel structure of claim 2, wherein: two ends in the cylinder of the wheel inner sleeve are respectively provided with an inner step for connecting a bearing; the part of the wheel inner sleeve protruding out of the other side end face of the circular plate is also provided with a belt groove for connecting a belt or a gear for connecting a chain.
6. The internal magnetic magnetron inertia wheel structure of claim 1, wherein: the concave-convex structure is a V-shaped notch arranged at one end of the long strip aluminum sheet and a V-shaped protrusion arranged at the other end of the long strip aluminum sheet.
7. The internal magnetic magnetron inertia wheel structure of claim 5, wherein: the flywheel comprises an inner ring and two bearings, wherein the inner ring is fixedly sleeved on the inner ring of the two bearings, one end face of each of the two bearings is respectively abutted against the inner steps at the two ends in the cylinder of the inner wheel sleeve, and the outer ring of each of the two bearings is respectively abutted against the inner walls of the cylinders at the two ends of the inner wheel sleeve.
8. The internal magnetic magnetron inertia wheel structure of claim 7, wherein: the magnetic plate assembly in the protective cover is matched with the aluminum sheet arranged on the inner side surface of the folded edge.
9. The internal magnetic magnetron inertia wheel structure of claim 8, wherein: the protection cover is fixed with the inertia wheel shaft fixing seat through screws.
10. The internal magnetic magnetron inertia wheel structure of claim 9, wherein: but the guard shield is two of split, is equipped with grafting structure between two guard shields, the magnetic plate subassembly is two sets of, and two sets of magnetic plate subassemblies are the pin joint respectively in the handing-over department of two guard shields, still has connect reset spring between magnetic plate subassembly and guard shield.
11. The internal magnetic magnetron inertia wheel structure of claim 1, wherein: the width dimension of the folded edge is larger than the thickness dimension of the circular plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020057362.5U CN211676090U (en) | 2020-01-10 | 2020-01-10 | Inner magnetic type magnetic control inertia wheel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020057362.5U CN211676090U (en) | 2020-01-10 | 2020-01-10 | Inner magnetic type magnetic control inertia wheel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211676090U true CN211676090U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020057362.5U Active CN211676090U (en) | 2020-01-10 | 2020-01-10 | Inner magnetic type magnetic control inertia wheel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211676090U (en) |
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2020
- 2020-01-10 CN CN202020057362.5U patent/CN211676090U/en active Active
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