CN215705462U - Electric motor car wheel hub and connecting piece thereof - Google Patents
Electric motor car wheel hub and connecting piece thereof Download PDFInfo
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- CN215705462U CN215705462U CN202120706251.7U CN202120706251U CN215705462U CN 215705462 U CN215705462 U CN 215705462U CN 202120706251 U CN202120706251 U CN 202120706251U CN 215705462 U CN215705462 U CN 215705462U
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Abstract
The utility model provides an electric vehicle hub and a connecting piece thereof, and belongs to the technical field of electric vehicle hubs. The problem that the connection strength of a connecting piece and a spoke is not high in an existing hub is solved. The electric vehicle hub and the connecting piece thereof comprise a rim and a spoke fixed with the rim through the connecting piece, wherein the connecting piece I and the connecting piece II are connected with a bottom plate and are respectively bent outwards at two sides of the bottom plate, the connecting piece I is fixedly welded with the rim, the connecting piece is embedded in the spoke, the spoke comprises a spoke embedding part and a spoke main body, the spoke embedding part is positioned in a U-shaped groove of the connecting piece, a first through hole along the radial direction of a wheel hub is formed in the side wall of the connecting piece II, and the spoke embedding part penetrates through the first through hole and is connected with the spoke main body into a whole. The spoke embedding part penetrates through the first through hole and the spoke main body connecting part to form a stop for the connecting piece in the axial direction of the hub, so that the spoke and the connecting piece are prevented from falling off in the axial direction of the hub, meanwhile, the contact area of the spoke and the connecting piece is enlarged, and the connecting strength of the spoke and the connecting piece is improved.
Description
Technical Field
The utility model belongs to the technical field of electric vehicle hubs, and relates to an electric vehicle hub and a connecting piece thereof.
Background
The wheel hub is a wheel core rotating part formed by connecting the inner profile steel of the tire through a stand column, namely a metal part for supporting the tire, and mainly comprises a wheel rim, a spoke, a wheel hub core and the like.
At present, most hubs applied to electric vehicles adopt aluminum alloy hubs or steel hubs, and the processing processes are basically integrated, so that the aluminum alloy hubs are lighter than the steel hubs and have good toughness; the strength of the steel hub is higher than that of the aluminum alloy hub, and the steel hub is not easy to break and fall off but has higher cost. Some hub manufacturers have used plastic spokes to replace traditional aluminum alloy and steel, but the plastic spokes have limited strength and are easily damaged and inconvenient to connect with a rim.
In the market, wheel hub manufacturers mainly produce wheel hubs in a mode that a wheel rim is made of steel materials, and wheel spokes are integrally formed by aluminum alloy casting. The novel connecting structure of the rim and the spoke, the hub and the electric vehicle disclosed in the Chinese patent application (application number: 202020965018.6) comprise the rim, the spoke and a connecting piece, wherein the spoke is made of aluminum, and the rim and the spoke are connected through the connecting piece. The middle part or the edge of having seted up logical groove sheet metal on this patent connector is provided with a plurality of and leads to the groove, and the design that leads to the groove can make the aluminium water pour into logical inslot when the casting for the connector link up each other with the spoke and link up continuously, strengthens being connected between spoke and the connector. However, the connecting piece is provided with the through groove opening along the circumferential direction of the hub, and when the connecting piece is subjected to force along the radial direction of the hub, the connecting strength of the connecting piece and the spoke is low, and the risk that the spoke and the rim fall off is caused.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides an electric vehicle hub and a connecting piece thereof, and the technical problems to be solved by the utility model are that: how to improve the connecting strength of the connecting piece and the spoke.
The purpose of the utility model can be realized by the following technical scheme: the utility model provides an electric vehicle wheel hub, includes the rim and passes through the spoke that connecting piece and rim are fixed, the connecting piece is the U-shaped structure, including connecting the bottom plate and connecting the connecting plate one and the connecting plate two that outside buckle respectively in bottom plate both sides, connecting plate one and rim welded fastening, the connecting piece inlays in the spoke, the spoke is including the spoke embedding portion and the spoke main part that are located the connecting piece U-shaped inslot, its characterized in that, set up on two lateral walls of connecting plate along the radial through-hole one of wheel hub, spoke embedding portion passes through-hole one and spoke main part fuses.
This wheel hub's connecting piece is the U-shaped structure, mainly by connecting the bottom plate, connecting plate one and connecting plate two constitute, the spoke is the aluminium water and pours the shaping, the spoke divide into spoke embedding portion and spoke main part, the spoke embedding position is in the U-shaped inslot of connecting piece, spoke embedding portion and spoke main part link integratively outside the connecting piece, connecting plate two can be regarded as inserting spoke embedding portion and spoke main part in, the connecting piece inlays in the spoke and combines integratively with the spoke. The spoke and the rim are connected with the rim in a welding mode through the connecting piece, when the spoke and the rim are mutually acted and subjected to force along the radial direction of the hub, the stress area of the connecting plate II is increased compared with that of the connecting plate II which is horizontally placed due to the fact that the connecting plate II is perpendicular to the radial direction of the hub, and the connecting strength of the connecting piece and the spoke is enhanced; offer along the radial through-hole one of wheel hub on the two lateral walls of connecting plate, spoke embedding portion passes through-hole one and spoke main part is connected, this structure receives when wheel hub radial power along the spoke, spoke embedding portion and spoke main part combine part and spoke embedding portion and spoke main part to pass through the part combined action that through-hole one is connected outside the connecting piece, the intensity of spoke has been strengthened, simultaneously through-hole one, spoke embedding portion passes through-hole one and spoke main part coupling part and blocks the connecting piece along hub axial formation, prevent spoke and connecting piece and drop along the wheel hub axial, make the connection of spoke and connecting piece more firm.
In the electric vehicle hub, the first grooves are formed in the end portions of the two sides of the second connecting plate, and the second connecting plate is arc-shaped. When the spoke is poured and molded, the spoke main body is filled with the first grooves at the end parts of the two sides of the connecting plate II, the contact area of the spoke and the connecting plate II is increased, and the connection between the spoke and the connecting piece is firmer; when the connecting piece is stressed by force along the circumferential direction of the hub, the spoke main bodies in the grooves at the end parts of the two sides of the connecting plate block the connecting piece, so that the connecting piece is prevented from falling off from the spoke; the second connecting plate is arc-shaped, so that the contact area between the spoke and the connecting piece is increased, and the connecting strength is improved.
In the above electric vehicle hub, the connecting bottom plate is a plane and perpendicular to the connecting plate, and the width of the connecting bottom plate is at least 5 mm. The width of the connecting base plate is 5mm, the contact area of the spoke and the connecting piece is large, the connecting base plate and the connecting plate are perpendicular to each other and can be regarded as the vertical direction of the connecting plate and the vertical direction of the connecting plate, the contact area of the spoke and the connecting piece is increased, the width of the spoke embedding part can be wider, and therefore the connecting strength of the spoke and the connecting piece is enhanced.
In the above-mentioned electric vehicle hub, the first through hole is circular or square and the number of the first through holes is at least one.
In the electric vehicle hub, the first connecting plate is of an arc structure attached to the rim, two side ends of the first connecting plate are provided with the second grooves, and the side wall of the first connecting plate is further provided with the second through holes which are the same as the radial direction of the hub. When the spoke is poured and molded, the spoke main body is filled in the grooves at the two side ends of the first connecting plate, the contact area of the spoke and the first connecting plate is increased, and the connection between the spoke and the connecting piece is firmer; when the connecting piece receives the force along the circumferential direction of the hub, the spoke main body in the groove at the end part at one end of the connecting plate at the two ends plays a role in blocking the connecting piece, and the connecting piece is prevented from falling off from the spoke.
The connecting piece is U-shaped and is characterized in that a first through hole is formed in the side wall of the second connecting plate, and the central line of the first through hole is perpendicular to the first connecting plate.
In the connecting piece, the first grooves are formed in the end portions of the two sides of the connecting plate, the first connecting plate is of an arc structure attached to the rim, and the second grooves are formed in the end portions of the two sides of the first connecting plate.
In the above connecting member, the second connecting plate is of an arc-shaped structure.
Compared with the prior art, the utility model has the following advantages:
1. the connecting piece of the electric vehicle hub comprises a connecting bottom plate, a first connecting plate and a second connecting plate, wherein grooves are formed in the end parts of the two sides of the first connecting plate and the second connecting plate, the contact area of a spoke and the first connecting plate is increased, and the spoke and the connecting piece are connected more firmly; when the connecting piece is subjected to force along the circumferential direction of the hub, the spoke main bodies in the grooves at the two side ends of the connecting plate play a role in blocking the connecting piece.
2. The spoke embedding part of the electric vehicle hub penetrates through the first through hole to be communicated with the spoke main body, the spoke embedding part penetrates through the first through hole to be blocked by the connecting piece along the axial direction of the hub with the spoke main body connecting part, the spoke and the connecting piece are prevented from falling off along the axial direction of the hub, the strength of the spoke is enhanced, meanwhile, the contact area of the spoke and the connecting piece is increased, and the spoke and the connecting piece are connected more firmly.
Drawings
FIG. 1 is a schematic structural view of an electric vehicle hub according to the present invention;
FIG. 2 is a schematic view of the construction of the connector of the present invention;
FIG. 3 is a schematic view of a half-section of the hub of the electric vehicle of the present invention.
Fig. 4 is a partially enlarged view of fig. 3.
In the figure, 1, connecting piece; 11. connecting the bottom plate; 12. a first connecting plate; 121. a second through hole; 122. a second groove; 13. a second connecting plate; 131. a first through hole; 132. a first groove; 2. a spoke; 21. a spoke insertion portion; 22. a spoke body; 3. a wheel rim.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1-4, an electric vehicle wheel hub comprises a rim 3 and a spoke 2, wherein the rim 3 and the spoke 2 are connected through a connecting piece 1, the connecting piece 1 is of a U-shaped structure and comprises a connecting bottom plate 11, a first connecting plate 12 and a second connecting plate 13, and a first through hole 131 along the radial direction of the wheel hub is formed in the side wall of the second connecting plate 13. The first through holes are circular or square and the number of the first through holes is at least one, in the embodiment, the first through holes 131 are circular through holes, the number of the first through holes 131 is two, the spoke 2 is divided into a spoke embedding part 21 and a spoke main body 22 according to the relative position with the connecting piece 1, the spoke embedding part 21 is positioned in a U-shaped groove of the connecting piece 1, the spoke embedding part 21 and the spoke main body 22 are connected outside the connecting piece 1 into a whole, the side wall of the connecting piece two 13 is provided with the first through holes 131 along the radial direction of the hub, the spoke embedding part 21 penetrates through the first through holes 131 to be communicated with the spoke main body 22, the combination part of the spoke embedding part 21 and the spoke main body 22 outside the connecting piece 1 and the part of the spoke embedding part 21 and the spoke main body 22 connected through the first through holes 131 act together, and the strength of the spoke 2 is enhanced, meanwhile, the contact area between the spoke 2 and the connecting piece 1 is increased, so that the connection between the spoke 2 and the connecting piece 1 is firmer. The connecting bottom plate 11 is a plane and is perpendicular to the connecting plate II 13, the width of the connecting bottom plate is at least 5mm, the connecting bottom plate and the connecting plate II can be regarded as perpendicular to the connecting plate II in the vertical direction and the connecting bottom plate, the connecting bottom plate 11 is connected with the connecting plate I12, the side wall of the connecting plate I12 is provided with a through hole II 121 which is the same as the radial direction of the hub, the connecting plate I12 is in an arc structure and is connected with the rim 3 through welding after being attached, the welding area can be increased by attaching the connecting plate I12 to the rim 3, the connecting part 1 is more firmly contacted with the rim 3, the connecting plate II 13 is in an arc shape, the contact area of the connecting plate and the spoke 2 is increased, the end parts of both sides of the connecting plate I12 are provided with a groove II 122, the end parts of both sides of the connecting plate II 13 are provided with a groove I132, when the spoke 2 is cast and molded, the spoke main body 22 is filled with the groove I132 and the groove II 122, the contact area of the spoke 2, the connecting plate I12 and the connecting plate II 13 is increased, the connection between the spoke 2 and the connecting piece 1 is firmer; when the connecting member 1 is subjected to a force in the circumferential direction of the hub, the spoke bodies 22 in the first groove 132 and the second groove 122 block the connecting member 1, preventing the connecting member 1 from falling off from the spoke 2. Through hole 131 and recess isotructure in this wheel hub's connecting piece 1 can increase spoke 2 and connecting piece 1 area of contact to improve spoke 2 and connecting piece 1's intensity, it is more firm when making spoke 2 and rim 3 use.
Example two
As shown in fig. 2, a connecting member 1 includes a connecting base plate 11, two sides of the connecting base plate 11 are respectively bent outwards to form a first connecting plate 12 and a second connecting plate 13, a first through hole 131 is formed in a side wall of the second connecting plate 13, in this embodiment, the first through hole 131 is a circular through hole, the number of the first through holes 131 is two, a center line of the first through hole 131 is perpendicular to the first connecting plate 12, first grooves 132 are formed in end portions of two sides of the connecting plate of the first connecting plate 12, second grooves 122 are formed in end portions of two sides of the second connecting plate 13, and the first connecting plate 12 and the second connecting plate 13 are of arc structures.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Although the terms first connection plate, second connection plate, connection base plate, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (8)
1. The utility model provides an electric vehicle wheel hub, includes rim (3) and spoke (2) fixed with rim (3) through connecting piece (1), connecting piece (1) is the U-shaped structure, including connecting bottom plate (11) and connecting bottom plate (11) both sides respectively outside connecting plate one (12) and connecting plate two (13) of buckling, connecting plate one (12) and rim (3) welded fastening, its characterized in that, set up on connecting plate two (13) lateral wall along the radial through-hole one (131) of wheel hub, spoke (2) are including spoke embedding portion (21), spoke embedding portion (21) pass through-hole one (131) and spoke main part (22) and link into an organic whole.
2. The electric vehicle hub as claimed in claim 1, wherein the second connecting plate (13) defines at least one first groove (132), and the second connecting plate (13) is arc-shaped.
3. The hub according to claim 1 or 2, wherein the connecting element (1) is embedded in a spoke (2), the spoke (2) comprising a spoke insert (21) and a spoke body (22) in a U-shaped groove of the connecting element (1), the connecting base plate (11) being planar and perpendicular to the second connecting plate (13), the connecting base plate (11) having a width of at least 5 mm.
4. The electric vehicle hub according to claim 3, wherein the first through holes (131) are circular or square and the number of the first through holes is at least one.
5. The hub according to claim 4, wherein the first connecting plate (12) is an arc-shaped structure attached to the rim (3), the first connecting plate (12) is provided with at least one second groove (122), and the side wall of the first connecting plate (12) is further provided with a second through hole (121) in the same radial direction as the hub.
6. The connecting piece comprises a connecting base plate (11) and a first connecting plate (12) and a second connecting plate (13) which are bent outwards at two sides of the connecting base plate (11), and the connecting piece (1) is U-shaped, and is characterized in that a first through hole (131) is formed in the side wall of the second connecting plate (13), and the central line of the first through hole (131) is perpendicular to the first connecting plate (12).
7. The connecting piece according to claim 6, wherein the first connecting plate (13) is provided with a first groove (132) at both side ends, the first connecting plate (12) is of an arc structure attached to the rim (3), and the first connecting plate (12) is provided with a second groove (122) at both side ends.
8. A connecting piece according to claim 6 or 7, characterized in that the second connecting plate (13) is of an arc-shaped configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120706251.7U CN215705462U (en) | 2021-04-07 | 2021-04-07 | Electric motor car wheel hub and connecting piece thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120706251.7U CN215705462U (en) | 2021-04-07 | 2021-04-07 | Electric motor car wheel hub and connecting piece thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215705462U true CN215705462U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120706251.7U Active CN215705462U (en) | 2021-04-07 | 2021-04-07 | Electric motor car wheel hub and connecting piece thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215705462U (en) |
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2021
- 2021-04-07 CN CN202120706251.7U patent/CN215705462U/en active Active
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