CN218021039U - Front wheel and electric vehicle - Google Patents

Abstract

The application discloses front wheel and electric motor car relates to electric motor car technical field, the front wheel of this application, including main part and the decoration of setting in the main part both sides, the main part includes that wheel hub, coaxial and interval set up the rim outside wheel hub, and wheel hub passes through the spoke with the rim and is connected, and the spoke includes a plurality of that the interval set up, and the decoration is established the inner circle outside wheel hub including the cover, and the inner circle of both sides decoration passes the hole threaded connection between the adjacent spoke. The application provides a front wheel and electric motor car can reduce the installation degree of difficulty of electric motor car front wheel to promote the yield.

Description

Front wheel and electric vehicle

Technical Field

The application relates to the technical field of electric vehicles, in particular to a front wheel and an electric vehicle.

Background

The electric vehicle is a tool frequently used in daily short trip of people, is an electric drive vehicle, is also called an electric drive vehicle, uses a battery as an energy source, converts electric energy into mechanical energy to move through components such as a controller and a motor, and mainly plays an important role in national economy through energy conservation and environmental protection by controlling the current to change the speed. With the continuous improvement of living standard and the continuous enhancement of environmental awareness, the electric vehicle has become one of the main transportation means for people going out in our country.

The front wheel main part of electric motor car mainly comprises rim, spoke and wheel hub, and there are three kinds of manufacturing methods in current front wheel main part, and the branch maybe integrative die-casting of magnesium alloy, the integrative casting of aluminum alloy and the combined welding of iron radials, and the back is accomplished in the manufacturing of front wheel main part, needs connect the decoration respectively in main part both sides in order to form the front wheel. In prior art, both sides decoration respectively with the spoke block of main part be connected to accomplish the equipment of front wheel, above-mentioned electric motor car front wheel needs the decoration of both sides respectively with the spoke block of main part in preparation process, and under the normal condition, the spoke includes a plurality ofly, needs a plurality of fasteners to correspond with the spoke position respectively, causes the manufacturing accuracy requirement of electric motor car front wheel higher, and the installation degree of difficulty is great, thereby makes the yield lower.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a front wheel and electric motor car, can reduce the installation degree of difficulty of electric motor car front wheel to promote the yield.

An embodiment of this application provides a front wheel on the one hand, including main part and the decoration of setting in the main part both sides, the main part includes that wheel hub, coaxial and interval set up the rim outside wheel hub, and wheel hub passes through the spoke with the rim and is connected, and the spoke includes a plurality of that the interval set up, and the decoration is established the inner circle outside wheel hub including the cover, and the hole threaded connection between the adjacent spoke is passed to the inner circle of both sides decoration.

As an implementable mode, the decorating part further comprises an outer ring attached to the inner wall of the rim, the inner ring is connected with the outer ring through a connecting portion, the connecting portion is arranged corresponding to the spoke, a positioning hole is formed in the spoke, and the fastening part penetrates through the positioning hole to connect the connecting portions on two sides.

As an implementable mode, the side wall of one inner ring facing the outer ring is inwards concave to form a groove, the groove is located between two adjacent connecting portions, the side face, away from the outer ring, of the other inner ring is convexly provided with an arc-shaped protrusion, the arc-shaped protrusion is located between two adjacent connecting portions, and the arc-shaped protrusion slides along the groove to enable the decorating parts on two sides to be in threaded connection.

As an implementable manner, the end portions of the plurality of arc-shaped protrusions in the rotation direction are provided with a stopper portion.

As a practical manner, one inner ring is projected toward the side surface of the other inner ring to form a projection, and the groove is located between the projection and the inner ring.

As an implementable mode, the side face, facing the spoke, of the connecting part is inwards concave to form a limiting space, and the spoke is embedded into the limiting space.

As an implementable mode, the side face, facing the spoke, of the connecting part is fixedly connected with a positioning column, and the fastening part is in threaded connection with the positioning column.

As an implementable manner, the spokes are provided with lightening holes which extend in the radial direction of the hub.

As a practical way, a plurality of spokes are evenly distributed along the circumferential direction of the hub.

An embodiment on the other hand of this application provides an electric motor car, includes the frame, sets up the front wheel axle on the frame and with forewheel hub connection foretell front wheel, the rotation of front wheel axle drives the front wheel and rotates.

The beneficial effects of the embodiment of the application include:

the application provides a front wheel, including main part and the decoration of setting in the main part both sides, the main part includes wheel hub, coaxial and interval set up the rim outside wheel hub, wheel hub passes through the spoke with the rim and is connected, the spoke includes a plurality ofly that the interval set up, the decoration is established including the cover and is established the inner circle outside wheel hub, the inner circle of both sides decoration passes the hole threaded connection between the adjacent spoke, during the front wheel installation, correspond range upon range of setting with the decoration of main part and one side, make the inner circle cover establish wheel hub, then pass the hole between two adjacent spokes with the screw thread of the decoration of opposite side and with one side decoration threaded connection, only need rotate can accomplish the installation, reduce the installation degree of difficulty of front wheel, thereby promote the yield.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic structural diagram of a front wheel according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of a front wheel according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a main body according to an embodiment of the present disclosure;

FIG. 4 is a structural view of a side garnish according to an embodiment of the present application;

FIG. 5 is a schematic view of another side trim piece according to an embodiment of the present disclosure;

fig. 6 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 1.

Icon: 100-front wheels; 110-a body; 111-a hub; 112-a rim; 113-spokes; 114-a locating hole; 115-lightening holes; 120-a decorative piece; 121-inner ring; 122-outer ring; 123-a connecting part; 124-grooves; 125-arc protrusion; 126-a limiting part; 127-a projection; 128-locating posts; 129-bead seat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present application, it is to be noted that the terms "center", "vertical", "horizontal", "inside", "outside", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally laid out when products of the application are used, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, it should also be noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

During the driving of electric motor car, rely on the rotation in the same time of front wheel and rear wheel to drive electric motor car and travel, wherein, the front wheel includes the main part and sets up in the decoration of both sides, among the prior art, during the installation of decoration, set up a plurality of buckle spare on the decoration usually, a plurality of buckle spare realize the installation of front wheel with the spoke block of main part respectively, the spoke includes a plurality ofly, needs a plurality of block spare to correspond with the spoke position respectively for the installation degree of difficulty is great, thereby reduces the yield.

The embodiment of the application provides a front wheel 100, as shown in fig. 1 and fig. 2, including main part 110 and the decoration 120 of setting in main part 110 both sides, main part 110 includes wheel hub 111, coaxial and interval set up the rim 112 outside wheel hub 111, wheel hub 111 passes through spoke 113 with rim 112 and is connected, spoke 113 includes a plurality of that the interval set up, decoration 120 includes the inner circle 121 that the cover was established outside wheel hub 111, the inner circle 121 of both sides decoration 120 passes the pore threaded connection between the adjacent spoke 113.

When the front wheel 100 is installed, the decoration 120 on one side and the main body 110 are firstly stacked, so that the inner ring 121 is sleeved outside the hub 111, then the thread connected with the decoration 120 on the other side in a threaded manner penetrates through the hole between two adjacent spokes 113 and rotates, so that the decoration 120 on the other side is in threaded connection with the decoration 120 on one side, and the installation process is simple and easy to operate.

It should be noted that the threaded connection in the embodiment of the present application is a connection formed by rotating between two adjacent spokes 113 and the ornamental pieces 120 on both sides.

The center of the hub 111 is provided with a through hole, so that the front wheel axle passes through the through hole and is connected with the hub 111. In addition, as shown in fig. 2, a bead seat 129 is provided on the side of the rim 112 remote from the spoke 113, the bead seat 129 serving to support the tire. The bead seat 129 is further provided with a groove 124, so that a certain gap is left between the bottom of the bead seat 129 and the tire, and the tire is convenient to mount and dismount. The bottom of the bead seat 129 is provided with a valve hole, and a valve of the tire extends out of the valve hole to conveniently inflate the tire.

The application provides a front wheel 100, including main part 110 and the decoration 120 of setting in main part 110 both sides, main part 110 includes wheel hub 111, coaxial and interval set up in wheel hub 111 outer rim 112, wheel hub 111 passes through spoke 113 with rim 112 and is connected, spoke 113 includes a plurality ofly that the interval set up, decoration 120 is including establishing the inner circle 121 outside wheel hub 111, the inner circle 121 of both sides decoration 120 passes the hole threaded connection between the adjacent spoke 113, when front wheel 100 installs, correspond range upon range of setting with main part 110 and the decoration 120 of one side, make inner circle 121 cover establish wheel hub 111, then pass the hole between two adjacent spokes 113 with the screw thread of the decoration 120 of opposite side and with one side decoration 120 threaded connection, only need rotate can accomplish the installation, reduce the installation degree of difficulty of front wheel 100, thereby promote the yield.

Optionally, as shown in fig. 2 and 3, the decoration 120 further includes an outer ring 122 attached to the inner wall of the rim 112, the inner ring 121 and the outer ring 122 are connected through a connecting portion 123, the connecting portion 123 is disposed corresponding to the spoke 113, the spoke 113 is provided with a positioning hole 114, and a fastener passes through the positioning hole 114 to connect the connecting portions 123 on both sides.

As can be seen from the above, the threaded connection in the embodiment of the present application is formed by rotating the decoration pieces 120 on both sides between two adjacent spokes 113, the fastening strength of the threaded connection is not very high, in order to further improve the installation strength of the decoration pieces 120, the spoke 113 is provided with the positioning hole 114, and the fastening piece passes through the positioning hole 114 to be connected with the connecting portions 123 on both sides, so that the decoration pieces 120 on both sides are fixedly connected, thereby increasing the connecting points of the decoration pieces 120 on both sides, and further increasing the connection strength of the decoration pieces 120.

In the installation of the front wheel 100, after the decos 120 at the other side and the decos 120 at one side are screwed, a fastening member is sequentially inserted through the decos 120 at one side, the positioning hole 114, and the decos 120 at the other side and fixed, so that the decos 120 at both sides are fixedly coupled. Wherein, a plurality of connecting parts 123 are correspondingly connected one by one on the decoration pieces 120 on both sides.

In addition, in order to improve the stability of the connection of the both side garnishes 120, as shown in fig. 3, the positioning holes 114 may be provided on the side of the spokes 113 near the rim 112, so that the distance between the positioning holes 114 and the center of the front wheel 100 is increased, thereby increasing the distance between the connection point and the center of rotation and increasing the stability of the connection of the garnishes 120.

The connecting portions 123 are arranged corresponding to the spokes 113, that is, the connecting portions 123 are equal to the spokes 113 in number, an included angle between two adjacent connecting portions 123 is equal to an included angle between two adjacent spokes 113, and a projection of the connecting portion 123 in a plane where the main body 110 is located is correspondingly overlapped with a projection of the spokes 113 in the plane where the main body 110 is located.

In an achievable manner of the embodiment of the present application, as shown in fig. 4 and 5, a groove 124 is formed by recessing a side wall of one inner ring 121 toward an outer ring 122, the groove 124 is located between two adjacent connecting portions 123, an arc-shaped protrusion 125 protrudes from a side surface of the other inner ring 121 away from the outer ring 122, the arc-shaped protrusion 125 is located between two adjacent connecting portions 123, and the arc-shaped protrusion 125 slides along the groove 124 to enable the decoration pieces 120 on two sides to be screwed.

The two inner rings 121 form a threaded connection through the matching of the grooves 124 and the arc-shaped protrusions 125, so that the two inner rings 121 form a connection in the rotating process, and the installation is convenient and simple.

Alternatively, as shown in fig. 5, the end portions of the plurality of arc-shaped protrusions 125 in the rotation direction are provided with stopper portions 126. Protruding 125 of arc stretches into recess 124 at the pivoted in-process, forms threaded connection with recess 124, and in order to avoid protruding 125 of arc to rotate the in-process pivoted angle too big for two decoration 120 misplaces, sets up spacing portion 126 at protruding 125 of arc along the tip of rotation direction, and when protruding 125 of arc rotated to the connecting portion 123 of both sides corresponding, protruding 125 of arc was blockked by the locating part, thereby made the connecting portion 123 of both sides correspond the setting.

In an achievable manner of the embodiment of the present application, as shown in fig. 4, 5 and 6, one inner ring 121 is projected toward the side of the other inner ring 121 to form a projection 127, and the groove 124 is located between the projection 127 and the inner ring 121.

When one inner ring 121 is recessed towards the side wall of the outer ring 122 to form a groove 124, and the side surface of the other inner ring 121, which is away from the outer ring 122, protrudes with an arc protrusion 125, in order to enable the two inner rings 121 to be in threaded connection with the arc protrusion 125 through the groove 124, it is necessary that the outer diameter of the one inner ring 121 is larger than the inner diameter of the other inner ring 121, the two inner rings 121 are respectively sleeved with the hubs 111 from the two ends of the hubs 111, and the outer diameters of the two ends of the hubs 111 are the same, so that the inner diameters of the inner rings 121 on the two sides are not matched with the outer diameters of the two ends of the hubs 111, in order to avoid the above situation, the one inner ring 121 may be protruded towards the side surface of the other inner ring 121 to form a protrusion 127, the protrusion 127 and the side wall of the inner ring 121 form a groove 124, so that the protrusion is recessed in the side wall of the inner ring 121, the diameter of the bottom of the groove 124 is reduced, so that the inner rings 121 are the same as the outer diameters of the two inner rings 121, and can be matched with the outer diameters of the two ends of the hubs 111.

Alternatively, as shown in fig. 5, the connecting portion 123 is recessed inward toward the side of the spoke 113 to form a stopper space, and the spoke 113 is fitted into the stopper space.

Connecting portion 123 of both sides forms spacing space respectively, and in the spacing space of spoke 113 embedding, the connecting portion 123 of both sides was closed each other in the lid, with spoke 113 parcel in the space that closes of lid to avoid spoke 113 to expose in the external space.

The specific structure of the limiting space is not limited in the embodiments of the present application, and may be set according to the shape of the spoke 113, for example, as shown in fig. 3 and 5, two parallel through slots may be provided corresponding to the spoke 113 with the lightening hole 115, and spoke sub-portions located at two sides of the lightening hole 115 are respectively and correspondingly embedded in the two through slots.

In an implementation manner of the embodiment of the present application, as shown in fig. 4 and 6, a positioning pillar 128 is fixedly connected to a side surface of the connecting portion 123 facing the spoke 113, and the fastening member is threadedly connected to the positioning pillar 128.

Because the connecting portion 123 of both sides forms spacing space respectively for connecting portion 123 is sunken to the direction of keeping away from spoke 113, thereby makes the distance increase between the connecting portion 123 of both sides, and when the connecting portion 123 of both sides passed through the fastener and connects, the length of fastener is longer, and on the other hand, the fastener only is connected with connecting portion 123, and the thickness of connecting portion 123 is less, makes the fastness of connecting reduce. In the embodiment of the present application, the positioning column 128 is fixed on the side surface of the connecting portion 123 facing the spoke 113, and the positioning column 128 has a certain height, so that the contact area between the fastening member and the positioning column 128 is increased, and the connection fastness of the fastening member is improved.

In addition, in order to further improve the connection fastness of the connection parts 123 on the two sides, the positioning column 128 and the connection parts 123 can be integrally formed, so that the positioning column 128 and the connection parts 123 are connected more reliably, and the connection fastness of the positioning column 128 and the connection parts 123 is improved.

Alternatively, as shown in fig. 3, the spokes 113 are provided with lightening holes 115, and the lightening holes 115 extend in the radial direction of the hub 111.

The lightening holes 115 can reduce the overall weight of the front wheel 100, so that the electric vehicle is lighter to run and saves electric energy. Meanwhile, the lightening holes 115 may reduce raw materials required for machining the front wheel 100, thereby reducing machining costs of the front wheel 100. In addition, the lightening holes 115 extend along the radial direction of the hub 111, so that the length of the lightening holes 115 occupying the circumferential direction is reduced, the length of the spoke 113 occupying the circumferential direction is increased, the contact area of the spoke 113 and the rim 112 is increased, the stress area of the spoke 113 is increased, and the spoke 113 has stronger strength.

In order to further reduce the weight of the spokes 113, as shown in fig. 3, weight-reducing grooves may be formed in the spokes 113 in the stopper space.

In an achievable manner of the embodiment of the present application, as shown in fig. 3, a plurality of spokes 113 are uniformly distributed along the circumferential direction of the hub 111. The plurality of spokes 113 are uniformly distributed along the circumferential direction of the hub 111, so that the stress uniformity of the hub 111 and the rim 112 can be improved, and the running stability of the electric vehicle can be improved.

Wherein, the concrete setting of spoke 113 this application embodiment does not do the restriction, the example, can set up threely, the contained angle between two adjacent spokes 113 is 120, the technical staff in the art should know, the number of spoke 113 is relevant with the stability that electric motor car went and the support stationarity of spoke 113, spoke 113 sets up more, spoke 113 is more steady to rim 112's support, the stability that electric motor car went is higher, however, spoke 113's quantity is more, front wheel 100 is heavier, the cost is higher, the example, this application embodiment sets up spoke 113 to threely, both can alleviate electric motor car front wheel 100's weight, make the driving of electric motor car more light, and the stationarity of electric motor car form is better.

The embodiment of the application further discloses an electric vehicle, which comprises a vehicle frame, a front wheel shaft arranged on the vehicle frame, and the front wheel 100 connected with the front wheel shaft, wherein the front wheel shaft rotates to drive the front wheel 100 to rotate. The electric vehicle includes the same structure and advantageous effects as the front wheel 100 in the foregoing embodiment. The structure and advantageous effects of the front wheel 100 have been described in detail in the foregoing embodiments, and are not described in detail herein.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a front wheel, its characterized in that is in including main part and setting the decoration of main part both sides, the main part includes wheel hub, coaxial and interval set up in wheel hub outer rim, wheel hub with the rim passes through the spoke and connects, the spoke includes a plurality of that the interval set up, the decoration is established including the cover inner circle outside wheel hub, both sides the inner circle of decoration passes adjacently hole threaded connection between the spoke.

2. The front wheel as claimed in claim 1, wherein the decoration further comprises an outer ring attached to the inner wall of the rim, the inner ring is connected to the outer ring through a connecting portion, the connecting portion is disposed corresponding to the spoke, a positioning hole is formed in the spoke, and a fastening member passes through the positioning hole to connect the connecting portions on both sides.

3. The front wheel as claimed in claim 2, wherein a side wall of one of the inner rings facing the outer ring is recessed to form a groove, the groove is located between two adjacent connecting portions, and a side surface of the other inner ring facing away from the outer ring is provided with an arc-shaped protrusion, the arc-shaped protrusion is located between two adjacent connecting portions, and the arc-shaped protrusion slides along the groove to screw-connect the decorative members on two sides.

4. The front wheel as claimed in claim 3, wherein a plurality of said arc-shaped projections are provided with a stopper portion at an end portion in the rotational direction.

5. The front wheel as claimed in claim 3, wherein one of said inner rings is projected toward a side surface of the other inner ring to form a projection, and said groove is located between said projection and said inner ring.

6. The front wheel according to claim 2, wherein the side of the connecting portion facing the spoke is recessed to form a stopper space, and the spoke is fitted into the stopper space.

7. The front wheel as claimed in claim 6, wherein a positioning post is fixedly connected to the side of the connecting portion facing the spoke, and the fastening member is threadedly connected to the positioning post.

8. The front wheel as claimed in claim 1, wherein the spokes are provided with lightening holes extending in a radial direction of the hub.

9. The front wheel according to claim 1, wherein a plurality of said spokes are evenly distributed along a circumferential direction of said hub.

10. An electric vehicle comprising a frame, a front wheel axle disposed on the frame, and the front wheel of any one of claims 1-9 connected to the front wheel axle, wherein rotation of the front wheel axle rotates the front wheel.

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