CN113074172A - Rotor fastener - Google Patents
Rotor fastener Download PDFInfo
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- CN113074172A CN113074172A CN202110319975.0A CN202110319975A CN113074172A CN 113074172 A CN113074172 A CN 113074172A CN 202110319975 A CN202110319975 A CN 202110319975A CN 113074172 A CN113074172 A CN 113074172A
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- side edge
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- 238000000034 method Methods 0.000 claims abstract description 37
- 230000008569 process Effects 0.000 claims abstract description 34
- 230000000694 effects Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/0004—Joining sheets, plates or panels in abutting relationship
- F16B5/008—Joining sheets, plates or panels in abutting relationship by a rotating or sliding and rotating movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
- F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
- F16B5/0621—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship
- F16B5/0642—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship the plates being arranged one on top of the other and in full close contact with each other
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to a component for fastening, in particular to a rotor fastener. The cross section of the rotor fastening piece comprises at least three base points and side edges connecting two adjacent base points, the cross section extends along the vertical direction to obtain a columnar rotor fastening piece, and an upper fastening piece is arranged in the middle of the rotor fastening piece; the linear distance between each base point and two end base points of the side edge opposite to the base point is different, one base point is close to the first outer side wall, the side edge opposite to the base point is close to the second outer side wall, and in the process of rotationally fastening the rotor fastener, the linear distance between the base point and a point or a line segment on the side edge in contact with the second outer side wall is increased, and outward tension is generated on the two outer side walls. Simple structure, convenient to use, manufacturing cost and use cost are low, through its tensile force not only can be very easy realization between the part fastening connection, can be long-time the fastening effect of keeping moreover, and fastening effect is good.
Description
Technical Field
The invention relates to a component for fastening, in particular to a rotor fastener.
Background
When the existing plate and the profile are fixedly connected, a groove is formed in the profile, the plate is placed in the groove, and a screw is arranged on the outer wall of the groove, as shown in fig. 1. And in the screw tightening process, the outer wall of the groove is extruded, so that the plate is extruded and fixed in the groove. The fixed connection mode has the defects that the screw rod must penetrate through the inside of the section bar, so a hole for the screw rod to penetrate through must be reserved or processed in the section bar, and the processing procedures of the section bar are increased; in addition, the processing of holes in the profile inevitably affects the strength of the profile and reduces the strength of the profile.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a rotor fastener which is simple in structure, convenient to use, low in manufacturing cost and use cost, capable of achieving fastening connection between components very easily through the tension force, capable of keeping the fastening effect for a long time and good in fastening effect.
The technical scheme of the invention is as follows: a rotor fastener comprises a cross section and a fastening piece, wherein the cross section comprises at least three base points and a side edge connecting two adjacent base points, the cross section is extended along the vertical direction to obtain a columnar rotor fastener, and the middle part of the rotor fastener is provided with a fastening piece;
the linear distance between each base point and two end base points of the side edge opposite to the base point is different, one base point is close to the first outer side wall, the side edge opposite to the base point is close to the second outer side wall, and in the process of rotationally fastening the rotor fastener, the linear distance between the base point and a point or a line segment on the side edge in contact with the second outer side wall is increased, and outward tension is generated on the two outer side walls.
In the invention, the side edges can be continuous arcs or can be formed by connecting a plurality of line segments, tooth-shaped edges and circular arcs end to end.
In the invention, the straight-line distances between the two end base points of each side edge and the third base point opposite to the side edge are different, and the distance between the point on the side edge and the third base point opposite to the side edge is gradually increased along the direction of the straight-line distance from small to large.
The curvature of the side is greatest in the direction of the rotor rotational tightening and gradually diminishes in the direction opposite to the direction of the rotor rotational tightening.
The side edge can also be formed by connecting a plurality of line segments in sequence, the straight-line distance between the two end base points of each side edge and the third base point opposite to the side edge is different, and the distance between the end point of each line segment and the base point opposite to the side edge is gradually increased along the direction that the straight-line distance is gradually increased from small to large.
The line segments forming the side edges can be uniformly distributed, namely the length of each line segment is equal; the lengths of the plurality of line segments forming the side edges can also be unequal, namely, the length of the line segment facing the rotating direction of the rotor fastener is short, and the length of the line segment along the direction opposite to the rotating direction of the rotor fastener is sequentially longer, so that the maximum curvature of the side edges facing the rotating direction of the rotor fastener is realized, and the sequential reduction of the curvature of the side edges along the direction opposite to the rotating direction of the rotor fastener is realized.
The side edge participating in the fastening process can also be formed by connecting a plurality of tooth-shaped edges end to end, and the distance between the tooth-shaped outer edge point of each tooth-shaped edge and the base point opposite to the side edge is gradually increased along the direction of the linear distance from small to large. By arranging the tooth-shaped side edge, the rotor fastener can be effectively prevented from rotating, and the fastening working state is kept.
The side edges participating in the fastening process can also be formed by connecting a plurality of concave arc lines end to end, and the distance between the end point of each concave arc line and the base point opposite to the side edge is gradually increased along the direction of the linear distance from small to large.
The side edges participating in the fastening process can also be formed by connecting a plurality of convex arc lines end to end, and the distance between the valley point of each convex arc line and the base point opposite to the side edge is gradually increased along the direction of the linear distance from small to large.
The upper fastening piece is an upper fastening hole or a fastening protrusion, and the cross section of the upper fastening hole or the fastening protrusion can be hexagonal, quincunx, quadrilateral or any other shape.
The invention has the beneficial effects that:
(1) the volume is small, the structure is simple, the manufacturing cost is low, the use is convenient and simple, and the use cost is greatly reduced;
(2) the components matched with the adhesive can not be damaged in the using process,
(3) the fastening connection can be realized very conveniently, the rotation failure is not easy to occur, the fastening effect can be kept for a long time, and the fastening effect is good.
In summary, the outward tension applied by the rotor fastener not only can realize firm connection between the plate and the section bar, but also can be used in any other working environment needing to realize fastening through the tension.
Drawings
FIG. 1 is a schematic view of a prior art connection structure of a profile and a plate;
FIG. 2 is a schematic perspective view of the present invention in example 1;
FIG. 3 is a schematic cross-sectional view showing the structure of the present invention in an unfastened state in example 1;
FIG. 4 is a schematic cross-sectional view showing the structure of the invention in a fastened state in example 1;
FIG. 5 is a schematic structural view of the connection between the sectional material and the plate material realized by the invention in the embodiment 1;
FIG. 6 is a schematic cross-sectional view showing the structure of the present invention in example 2;
FIG. 7 is a schematic cross-sectional view showing the structure of the present invention in example 3;
FIG. 8(a) is a schematic cross-sectional view showing an initial state of the present invention in example 4;
FIG. 8(b) is a schematic cross-sectional view showing the invention in a fastened state in example 4;
FIG. 9 is a schematic cross-sectional view showing the structure of the present invention in example 5;
FIG. 10 is a schematic cross-sectional view showing the structure of the present invention in example 6;
FIG. 11 is a schematic cross-sectional view showing the structure of the present invention in example 7;
FIG. 12 is a schematic cross-sectional view showing the structure of the present invention in example 8;
FIG. 13 is a schematic cross-sectional view showing the structure of the present invention in example 9;
FIG. 14 is a schematic cross-sectional view showing the structure of the present invention in example 10;
FIG. 15(a) is a schematic cross-sectional view showing a first initial state of the present invention in example 10;
FIG. 15(b) is a schematic cross-sectional view showing a first fastening state of the present invention in example 10;
FIG. 16(a) is a schematic cross-sectional view showing a second initial state of the present invention in example 10;
FIG. 16(b) is a schematic cross-sectional view showing a second fastening state of the present invention in example 10;
FIG. 17(a) is a schematic cross-sectional view showing a third initial state of the present invention in example 10;
fig. 17(b) is a schematic cross-sectional view showing a third fastening state of the present invention in embodiment 10.
In the figure: 1, side I; 2, side II; 3, side III; 4, tightening the upper part; 5, plates; 6, section bar; 7, a side wall I; 8 side wall II.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.
The invention discloses a rotor fastener, wherein the cross section of the rotor fastener comprises at least three base points and side edges connecting two adjacent base points, the cross section extends along the vertical direction to obtain a columnar rotor fastener, an upper fastening piece is arranged in the middle of the rotor fastener, and the rotor fastener is driven to rotate through the upper fastening piece.
The linear distance between each base point on the rotor fastener and the two base points of the side edge opposite to the base point is different. The rotor fastener is used between two outer side walls, one base point is close to a first outer side wall, the side edge opposite to the base point is close to a second outer side wall, the base point is in contact with the first outer side wall, the side edge opposite to the base point is in contact with the second outer side wall, and the linear distance between the base point and the point or line segment on the side edge in contact with the second outer side wall is increased in the process of rotationally fastening the rotor fastener, so that outward tension is generated on the two outer side walls.
Example 1
As shown in fig. 2, the cross-sectional shape of the rotor fastener of the present embodiment is as shown in fig. 3, the cross-section includes three base points and a side edge connecting two adjacent base points, and the cross-section as shown in fig. 2 is extended in the vertical direction, so that a columnar rotor fastener can be obtained.
Let three base points of the cross section be point A, point B and point C respectively, the straight-line distances between the three base points are different, i.e. the lengths of line segment AB, line segment BC and line segment CA are different. The different lengths comprise different linear distances among the three base points, and also comprise that two linear distances among the three linear distances are the same but different from the other linear distance.
The center of the rotor fastener is provided with a fastening piece 4, and the fastening piece 4 can be a fastening hole or a fastening protrusion. When the tightening piece is a tightening hole, the tightening hole can be a through hole or a blind hole. The tightening hole may be a hexagon socket hole, a quincuncial hole, or a hole of another shape. Likewise, when the tightening member is an upper protrusion, the cross section of the tightening protrusion may be hexagonal, quadrangular, cross-shaped, or any other shape. By means of the upper clamping member 4, a rotation of the rotor fastening member about its centre is achieved.
In the cross section, the side connecting the point A and the point C is a side I1, the side connecting the point A and the point B is a side II 2, and the side connecting the point B and the point C is a side III 3. Fig. 3 shows the initial state of the rotor fastener just placed between two outer side walls to be tightened, wherein the side where the base point a is located is close to one of the outer side walls, and the side where the side BC is located is close to the other outer side wall. The rotor fastener is made to rotate in the clockwise direction through the tightening piece 4 in the center of the rotor fastener, in the rotating process, a base point A is in contact with a first outer side wall, a side edge III 3 opposite to the base point A is in contact with a second outer side wall, the linear distance between the A point and a contact surface or a contact line segment time of the side edge III 3 and the second outer side wall is gradually increased, the size of the rotor fastener between the two outer side walls is gradually increased, and therefore tensioning force is generated on the outer side walls on two sides, the side edge where the base point A is located generates outward tensioning force on the outer side wall adjacent to the side edge A, and the side surface where the side edge BC is located generates outward tensioning force on the outer side. When the rotor fastener rotates to the position shown in fig. 4, the rotor fastener cannot rotate continuously, and the tension force applied by the rotor fastener to the outer side walls on both sides reaches a maximum value. In this embodiment, the linear distance between the points a and C is greater than the linear distance between the points a and B and less than the linear distance between the points B and C.
In the invention, the side edges are arcs which can be continuous, and the corresponding side surfaces are arc surfaces at the moment; the three side surfaces can also be edges formed by connecting a plurality of line segments, a plurality of arc lines or a plurality of tooth-shaped edges end to end. The distance between each point on the side participating in the actual tightening process and its corresponding base point must be varied, e.g. gradually increased, so that the side participating in the actual tightening process cannot be a continuous straight line. While the sides that do not participate in the actual fastening process may be continuous straight lines, continuous arcs, or in the form of the sides described above.
When the linear distance between two base points on one side edge and a third base point opposite to the side edge is different, the connecting line distance between each point on the side edge and the third base point is gradually increased along the direction that the linear distance between the base points is gradually increased from small to large; or the straight line distance between the base points gradually decreases from large to small. As shown in fig. 3, the two base points of the side edge ii 2, i.e. point a and point B, have different linear distances from point C opposite to the side edge ii 2, and the linear distance between point B and point C is greater than the linear distance between point a and point C, at this time, the distance between each point on the side edge ii 2 and point C increases in sequence from point a to point B; or decreasing from the point B to the point A in sequence. The straight line distance between the two base points of the side edge III 3, namely the point B and the point C, and the point A opposite to the side edge III 3 is different, the straight line distance between the point B and the point A is smaller than the straight line distance between the point C and the point A, and the distance between each point on the side edge III 3 and the point A is sequentially increased from the point B to the point C; or decreasing in sequence from point C to point B.
As shown in fig. 5, when the rotor fastener placed in the elongated groove of the profile 6 is in a fastening working state, the side of the base point a on the cross section is in contact with the side wall i 7, and an outward tension is applied to the side wall i 7; the side face of the cross section, on which the side BC is located, is in contact with the side wall II 8 and applies an outward tension to the side wall II 8. The plate 5 can be firmly fixed in the strip-shaped groove of the section bar 6 by the tension force applied by the rotor fastener.
Fig. 4 is a cross-sectional view of the rotor fastener in a fastened state, in which the side where the base point a is located is in contact with the first outer sidewall and the side where the side BC is located is in contact with the second outer sidewall. As mentioned above, the side wall BC may be a continuous arc line or may be formed by connecting a plurality of line segments end to end, so that when the side surface where the side edge BC is located contacts the second outer side wall, the side surface may be in line contact, which is reflected in the cross section as a contact point; surface contact, which is a contact line in cross section, is also possible. In fig. 4, the side edge at point E on the side edge BC contacts the second outer side wall, and the line contact is formed between the side edge BC and the second outer side wall. The closer the line of AE is to perpendicular to the outer sidewall, the more advantageous the locking of the rotor fastener.
Example 2
Fig. 6 shows a cross-sectional view of the rotor fastener, in this embodiment, the side BC and the side AB are both formed by connecting a plurality of line segments end to end, and specifically, the side BC and the side AB are formed by eight line segments.
The distance between each point on the side BC and the point a increases in the direction from the point B to the point C, so that the side BC and the base point a opposite to the side BC can participate in the actual fastening process. Similarly, the distances between the points on the side AB and the point C increase in the direction from the point a to the point B, so that the side AB and the base point C opposite to the side AB can participate in the actual fastening process. While the side AC is not always able to participate in the clockwise rotation fastening process of the rotor fastener. In this embodiment, the side AC adopts an arc line, which can prevent the base point from being too sharp, and improve the smoothness of the base point.
The number of segments of the line segment forming the side BC and the side AB is not limited to eight as described in this embodiment, and other numbers of segments may be adopted, and the specific number of segments needs to be determined according to the length of the side BC and the actually required machining precision.
The rest is the same as example 1.
Example 3
The difference from example 1 is: as shown in fig. 7, in this embodiment, the curvature of the side BC is the largest toward one side of the rotation direction of the rotor fastener, and the curvatures of the sides along the direction opposite to the rotation direction of the rotor fastener become smaller in sequence, so that the rotor fastener is fastened quickly by the part with the large curvature first in the rotation fastening process, and then the rotor fastener is locked firmly by the part with the small curvature, thereby improving the fastening efficiency and the fastening effect of the rotor fastener.
The rest is the same as example 1.
Example 4
The difference from example 1 is: as shown in fig. 8, in the present embodiment, the side AB faces the first outer sidewall, and the base point C opposite to the side AB faces the second outer sidewall. During clockwise rotational tightening of the rotor fastener, the side edge AB contacts the first outer sidewall, and a base point C, opposite the side edge AB, contacts the second outer sidewall. The linear distance between the point C of the base point and the point or line segment on the side AB in contact with the second outer side wall is gradually increased, and in the increasing process, the tension on the two outer side walls is gradually increased, so that the fastening effect is achieved.
According to the present embodiment and embodiment 2, it is known that the side edge AC and the base point B opposite to the side edge AC in the rotor fastener cannot participate in the clockwise rotation fastening process of the rotor fastener at all times.
The rest is the same as example 1.
Example 5
The difference from example 1 is: as shown in fig. 9, in this embodiment, the side edge AC not participating in the actual fastening process is a straight line, and an arc line is not adopted, that is, the side surface of the rotor fastener where the side edge AC is located is a square surface.
The rest is the same as example 1.
Example 6
The difference from example 1 is: as shown in fig. 10, in this embodiment, the side edge AB and the side edge BC participating in the actual fastening process are formed by connecting a plurality of tooth-shaped edges end to end, and in this embodiment, the side edge AB and the side edge BC are formed by connecting eight tooth-shaped edges. Of course, the number of the castellated edges is not limited to the number disclosed in the present embodiment. The side edges are arranged to be toothed, so that the rotor fixing piece can only rotate in a single direction, and the reverse rotation of the rotor fixing piece is effectively prevented. The side edge AC which does not participate in the actual fastening process can be an arc line or a straight line, and can also be formed by connecting a plurality of tooth-shaped edges end to end.
The rest is the same as example 1.
Example 7
The difference from example 1 is: as shown in fig. 11, in this embodiment, the side AB and the side BC participating in the actual fastening process are formed by connecting a plurality of concave arcs, and in this embodiment, the side AB and the side BC are formed by connecting eight concave arcs. . The number of concave arcs is not limited to the number disclosed in the present embodiment. The side edge AC which does not participate in the actual fastening process can be an arc line and a straight line, and can also be formed by connecting a plurality of concave arc lines end to end.
The rest is the same as example 1.
Example 8
The difference from example 1 is: as shown in fig. 12, in the present embodiment, the side AB and the side BC participating in the actual fastening process are formed by connecting a plurality of convex arcs, and in the present embodiment, the side AB and the side BC are formed by connecting eight convex arcs. The number of convex arcs is not limited to the number disclosed in the present embodiment. The side edge AC which does not participate in the actual fastening process can be an arc line or a straight line, and can also be formed by connecting a plurality of sections of outward convex arc lines end to end.
The rest is the same as example 1.
Example 9
The difference from example 1 is: as shown in fig. 13, in the present embodiment, the straight-line distance between the points C and B is equal to the straight-line distance between the points a and C, and the straight-line distance between the points a and B is smaller than the straight-line distance between the points C and B, i.e., BC ═ AC > AB, when the side BC and the base point a opposite to the side BC participate in the actual fastening process. The side BC that can ultimately apply an outward tension to the outer sidewall may be a continuous arc, or may be formed by connecting a plurality of line segments, a plurality of toothed edges, and a plurality of arcs end to end. The side edge AB and the side edge AC can be continuous straight lines and continuous arc lines, or can also be formed by connecting a plurality of line segments, a plurality of tooth-shaped edges and a plurality of arc lines end to end.
The rest is the same as example 1.
Example 10
The difference from example 1 is: the cross-sectional shape of the rotor fastener of the present embodiment is as shown in fig. 14, the cross-section includes four base points and a side connecting two adjacent base points, and the cross-section as shown in fig. 14 is extended in the vertical direction, so that a columnar rotor fastener can be obtained.
Let four base points of the cross section be point A, point B, point C and point D respectively, and the side edge connecting four base points is side edge AB, side edge BC, side edge CD and side edge AD respectively. The straight-line distances between any base point and two base points on the side opposite to the base point are different, namely the lengths of the line segment AB, the line segment BC, the line segment CA and the line segment BD are different, and BD & gtBC & gtCA & gtAB. By providing four base points, the support size of the rotor fastener can be increased.
As shown in fig. 15(a) and 15(b), the base point a is directed toward the second outer sidewall, and the side BC opposite to the base point a is directed toward the first outer sidewall. The rotor fastener is fastened by rotating in the clockwise direction, and the distance between the point a and the point or line segment on the side BC in contact with the first outer side wall is gradually increased, so that tension is generated on the outer side walls on both sides until the rotor fastener cannot rotate continuously. The base point a and the side BC opposite to the base point a now take part in the actual fastening process of the rotor fastener.
As shown in fig. 16(a) and 16(b), the base point C is oriented toward the first outer sidewall, and the side AB opposite to the base point C is oriented toward the second outer sidewall. And the rotor fastener is rotationally fastened in a clockwise direction, and the distance between the point C and a point or a line segment on the side AB in contact with the second outer side wall is gradually increased, so that tension is generated on the outer side walls on two sides until the rotor fastener cannot rotate continuously. The base point C and the side AB opposite the base point C now participate in the actual tightening process of the rotor fastener.
As shown in fig. 17(a) and 17(B), the base point B is directed toward the second outer side wall, and the side CD opposite to the base point B is directed toward the first outer side wall. The rotor fastener is fastened by rotating in a clockwise direction, and the distance between the point B and a point or a line segment on the side CD contacting with the first outer side wall is gradually increased, so that tension is generated on the outer side walls on both sides until the rotor fastener cannot rotate continuously. The base point B and the side CD opposite to the base point B now take part in the actual tightening process of the rotor fastener.
In the in-service use in-process, side AD does not participate in the clockwise rotation fastening process of rotor fastener all the time, therefore side AD is the straight line, and the side of the rotor fastener at side AD place is square face.
The rest is the same as example 1.
The rotor fastener provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (11)
1. A rotor fastener characterized by: the cross section of the rotor fastening piece comprises at least three base points and side edges connecting two adjacent base points, the cross section extends along the vertical direction to obtain a columnar rotor fastening piece, and an upper fastening piece is arranged in the middle of the rotor fastening piece;
the linear distance between each base point and two end base points of the side edge opposite to the base point is different, one base point is close to the first outer side wall, the side edge opposite to the base point is close to the second outer side wall, and in the process of rotationally fastening the rotor fastener, the linear distance between the base point and a point or a line segment on the side edge in contact with the second outer side wall is increased, and outward tension is generated on the two outer side walls.
2. The rotor fastener of claim 1, wherein: the side edges are continuous arcs or are formed by connecting a plurality of line segments, tooth-shaped edges and circular arcs end to end.
3. The rotor fastener of claim 1, wherein said: the curvature of the side is greatest in the direction of the rotational tightening of the rotor and gradually becomes smaller in the direction opposite to the rotational tightening of the rotor.
4. The rotor fastener of claim 1, wherein: the straight line distance between the two end base points of each side edge and the third base point opposite to the side edge is different, and the distance between the point on the side edge and the third base point opposite to the side edge is gradually increased along the direction that the straight line distance is gradually increased from small to large.
5. The rotor fastener of claim 1, wherein: the side edge is formed by sequentially connecting a plurality of line segments, the straight line distance between two end base points of each side edge and a third base point opposite to the side edge is different, and the distance between the end point of each line segment and the base point opposite to the side edge is gradually increased along the direction that the straight line distance is gradually increased from small to large.
6. The rotor fastener of claim 5, wherein: the line segments forming the side edges are uniformly distributed, and the length of each line segment is equal.
7. The rotor fastener of claim 5, wherein: the lengths of a plurality of line segments forming the side edges are unequal, the length of the line segment facing the rotating direction of the rotor fastener is short, and the length of the line segment along the direction opposite to the rotating direction of the rotor fastener is sequentially longer.
8. The rotor fastener of claim 2, wherein: the side edge participating in the fastening process is formed by connecting a plurality of tooth-shaped edges end to end, and the distance between the tooth-shaped outer edge point of each tooth-shaped edge and the base point opposite to the side edge is gradually increased along the direction of the linear distance from small to large.
9. The rotor fastener of claim 2, wherein: the side edges participating in the fastening process are formed by connecting a plurality of concave arc lines end to end, and the distance between the end point of each concave arc line and the base point opposite to the side edge is gradually increased along the direction of the linear distance from small to large.
10. The rotor fastener of claim 2, wherein: the side edges participating in the fastening process are formed by connecting a plurality of convex arc lines end to end, and the distance between the valley point of each convex arc line and the base point opposite to the side edge is gradually increased along the direction of the linear distance from small to large.
11. The rotor fastener of claim 1, wherein: the upper fastening piece is an upper fastening hole or a fastening protrusion, and the cross section of the upper fastening hole or the fastening protrusion is hexagonal, quincunx or quadrilateral.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110319975.0A CN113074172B (en) | 2021-03-25 | 2021-03-25 | Rotor fastener |
| JP2023558717A JP2024512588A (en) | 2021-03-25 | 2021-11-18 | rotor fastener |
| PCT/CN2021/131412 WO2022199068A1 (en) | 2021-03-25 | 2021-11-18 | Rotor fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110319975.0A CN113074172B (en) | 2021-03-25 | 2021-03-25 | Rotor fastener |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113074172A true CN113074172A (en) | 2021-07-06 |
| CN113074172B CN113074172B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110319975.0A Active CN113074172B (en) | 2021-03-25 | 2021-03-25 | Rotor fastener |
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| Country | Link |
|---|---|
| JP (1) | JP2024512588A (en) |
| CN (1) | CN113074172B (en) |
| WO (1) | WO2022199068A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022199068A1 (en) * | 2021-03-25 | 2022-09-29 | 青岛比佐迪家居有限公司 | Rotor fastener |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2024512588A (en) | 2024-03-19 |
| CN113074172B (en) | 2023-10-13 |
| WO2022199068A1 (en) | 2022-09-29 |
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