Electric vehicle five-way assembly and electric vehicle frame

By designing the five-way assembly of the electric vehicle, the installation process of the central shaft is simplified, assembly efficiency is improved and costs are reduced.

CN223253183UActive Publication Date: 2025-08-22CHONGQING EMMA AUTOMOBILE TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422229558.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-08-22
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

The axle assembly of existing electric vehicles is complicated, with many parts, low production efficiency and high cost.

Method used

A five-way assembly of electric vehicle is designed, including a five-way main body and a cover body. The central shaft passes through the perforation of the five-way main body and a cover body to achieve clamping, simplifying the installation process of the central shaft.

Benefits of technology

Improve the assembly efficiency of the central shaft and reduce production costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223253183U_ABST
    Figure CN223253183U_ABST
Patent Text Reader

Abstract

The utility model discloses an electric vehicle five-way assembly and an electric vehicle frame, and relates to the technical field of electric vehicles. The electric vehicle five-way component comprises a five-way part and a center shaft, the five-way part comprises a five-way part body and a cover body which are clamped with each other, the five-way part body is provided with a containing cavity, a first through hole and an opening, the first through hole and the opening are communicated with the containing cavity and located on the two sides of the containing cavity, the cover body seals the opening, and second through holes linearly arranged with the first through hole are formed in the cover body. The middle shaft penetrates through the first penetrating hole and the second penetrating hole so that the rotating section of the middle shaft can be contained in the containing cavity, the bottom bracket body and the cover body are connected in a clamped mode so that installation of the rotating section of the middle shaft can be achieved, and therefore the assembling efficiency of the middle shaft is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of electric vehicles, and in particular to an electric vehicle five-way assembly and an electric vehicle frame. Background Art

[0002] An electric vehicle is a mechatronic personal transportation device that uses a battery as an auxiliary energy source, based on a conventional bicycle, and incorporates a motor, controller, battery, throttle, brake levers, and other control components, as well as a display instrument system. The frame is a key component of an electric vehicle, and its quality is directly related to the user's personal safety. The frame's structure should meet functional (assembly, etc.), performance (rigidity, strength, etc.), and commercial requirements. The frame is typically equipped with a bottom bracket for mounting the bottom bracket.

[0003] The assembly of the center shaft of current electric vehicles is rather complicated. Standard five-bowl parts need to be installed at both ends of the five-way bracket corresponding to the center shaft to achieve rotational coordination between the center shaft and the five-way bracket. During the further installation and processing, five-bowl parts need to be installed at both ends. There are many parts to be installed, which leads to low production efficiency and high cost. Utility Model Content

[0004] The purpose of the present application is to provide an electric vehicle five-way assembly and an electric vehicle frame, which can improve the assembly efficiency of the center axis.

[0005] The embodiment of the present application is implemented as follows:

[0006] According to one aspect of an embodiment of the present application, a five-way assembly for an electric vehicle is provided, comprising a five-way and a central axis, wherein the five-way comprises a five-way body and a cover body that are interlocked with each other, the five-way body having a accommodating chamber and a first through-hole and an opening connected to the accommodating chamber, the first through-hole and the opening being located on both sides of the accommodating chamber, the cover body covering the opening, and a second through-hole being provided on the cover body that is linearly arranged with the first through-hole, the central axis passing through the first through-hole and the second through-hole so that the rotating section of the central axis is accommodated in the accommodating chamber.

[0007] Optionally, as an implementable manner, a card slot is provided on the opening side of the five-way body, and a card protrusion engaged with the card slot is provided on the cover body.

[0008] Optionally, as an implementable manner, a first annular protrusion and a second annular protrusion are provided on the rotating section of the central axis, a first abutment portion in contact with the first annular protrusion is provided on the five-way body, and a second abutment portion in contact with the second annular protrusion is provided on the cover body.

[0009] Optionally, as an implementable manner, a first sealing sleeve is provided between the first annular protrusion and the first abutting portion, and a second sealing sleeve is further provided between the second annular protrusion and the second abutting portion.

[0010] Optionally, as an implementable manner, a locking hole is provided on the five-way body, and a connecting hole corresponding to the locking hole is provided on the cover body, and the five-way body and the cover body are connected by fasteners passing through the locking hole and the connecting hole.

[0011] Optionally, as an implementable manner, a chainring is coaxially arranged on the middle shaft, and the chainring is used to engage with the chain.

[0012] Optionally, as an implementable manner, a first mounting portion and a second mounting portion for mounting pedals are provided at both ends of the central axis.

[0013] Optionally, as an implementable manner, the cover body includes a covering section and a rotational connection section, the covering section covers the opening, and the second abutting portion and the latching protrusion are provided on the rotational connection section.

[0014] Another aspect of an embodiment of the present application provides an electric vehicle frame, comprising a frame, a transmission assembly, and an electric vehicle five-way assembly as described above, wherein the electric vehicle five-way assembly and the transmission assembly are arranged on the frame, and the electric vehicle five-way assembly is connected to the transmission assembly.

[0015] Optionally, as an implementable manner, a connecting portion is provided on the frame, and the five-way bracket of the five-way bracket assembly of the electric vehicle is installed on the connecting portion.

[0016] The beneficial effects of the embodiments of the present application include:

[0017] The electric vehicle five-way assembly and electric vehicle frame provided in the present application include a five-way and a central axis. The five-way includes a five-way main body and a cover body that are clamped together. The five-way main body has a accommodating chamber and a first perforation and an opening connected to the accommodating chamber. The first perforation and the opening are located on both sides of the accommodating chamber. The cover body covers the opening. The cover body is provided with a second perforation that is linearly arranged with the first perforation. The central axis passes through the first perforation and the second perforation so that the rotating section of the central axis is accommodated in the accommodating chamber. The installation of the rotating section of the central axis is achieved by clamping the five-way main body and the cover body, thereby improving the assembly efficiency of the central axis. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is one of the structural diagrams of the five-way assembly of an electric vehicle provided in an embodiment of the present application;

[0020] Figure 2 This is the second structural diagram of the five-way assembly of an electric vehicle provided in an embodiment of the present application;

[0021] Figure 3 This is one of the structural schematic diagrams of the five-way main body in the five-way assembly of an electric vehicle provided in an embodiment of the present application;

[0022] Figure 4 This is a second structural diagram of the five-way main body of the five-way assembly of an electric vehicle provided in an embodiment of the present application;

[0023] Figure 5 This is a schematic structural diagram of the cover body in the five-way assembly of an electric vehicle provided in an embodiment of the present application.

[0024] Icons: 100-electric vehicle five-way assembly; 110-five-way bracket; 111-five-way bracket body; 1111-accommodating chamber; 1112-first through-hole; 1113-opening; 1114-slot; 1115-first abutting portion; 1116-locking hole; 112-cover body; 1121-covering section; 1121a-second through-hole; 1122-rotating connecting section; 1122a-second abutting portion; 1122b-locking protrusion; 120-central axis; 121-first annular protrusion; 122-second annular protrusion; 123-first mounting portion; 124-second mounting portion; 130-crankset. DETAILED DESCRIPTION

[0025] To make the objectives, technical solutions, and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Generally, the components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for protection, but merely represents selected embodiments of the present application. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in the present application without creative work are within the scope of protection of the present application.

[0027] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. In addition, the terms "first," "second," "third," etc. are used only to distinguish the descriptions and are not to be understood as indicating or implying relative importance.

[0028] It should also be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0029] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , this embodiment provides an electric vehicle five-way assembly 100, including a five-way bracket 110 and a central axis 120, the five-way bracket 110 includes a five-way bracket body 111 and a cover body 112 that are interlocked, the five-way bracket body 111 has a accommodating chamber 1111 and a first through-hole 1112 and an opening 1113 that are connected to the accommodating chamber 1111, the first through-hole 1112 and the opening 1113 are located on both sides of the accommodating chamber 1111, the cover body 112 covers the opening 1113, and a second through-hole 1121a is provided on the cover body 112 that is linearly arranged with the first through-hole 1112, the central axis 120 passes through the first through-hole 1112 and the second through-hole 1121a so that the rotating section of the central axis 120 is accommodated in the accommodating chamber 1111.

[0030] Specifically, when assembling the electric vehicle five-way assembly 100 of the present application, the middle shaft 120 is first passed through the accommodating chamber 1111 from the opening 1113 side of the five-way main body 111, and then passed through the first through-hole 1112 of the five-way main body 111 until the rotating section of the middle shaft 120 is accommodated in the accommodating chamber 1111, and then the middle shaft 120 is passed through the second through-hole 1121a of the cover body 112 so that the cover body 112 covers the opening 1113 side of the five-way main body 111, and then the cover body 112 is engaged with the five-way main body 111 to complete the assembly of the electric vehicle five-way assembly 100, wherein the five-way 110 is used to be installed on the electric vehicle frame, and the middle shaft 120 is used to install the pedals.

[0031] The electric vehicle five-way assembly 100 provided in the present application includes a five-way bracket 110 and a central axis 120. The five-way bracket 110 includes a five-way bracket main body 111 and a cover body 112 that are clamped together. The five-way bracket main body 111 has a accommodating chamber 1111 and a first through-hole 1112 and an opening 1113 that are connected to the accommodating chamber 1111. The first through-hole 1112 and the opening 1113 are located on both sides of the accommodating chamber 1111. The cover body 112 covers the opening 1113. The cover body 112 is provided with a second through-hole 1121a that is linearly arranged with the first through-hole 1112. The central axis 120 passes through the first through-hole 1112 and the second through-hole 1121a so that the rotating section of the central axis 120 is accommodated in the accommodating chamber 1111. The installation of the rotating section of the central axis 120 is achieved by clamping the five-way bracket main body 111 and the cover body 112, thereby improving the assembly efficiency of the central axis 120.

[0032] In a possible embodiment of the present application, Figure 1 、 Figure 3 、 Figure 4 and Figure 5 As shown, a latching groove 1114 is provided on the side of the opening 1113 of the five-way body 111 , and a latching protrusion 1122 b that is engaged with the latching groove 1114 is provided on the cover body 112 .

[0033] Specifically, when assembling the electric vehicle five-way assembly 100 of the present application, the middle shaft 120 is first passed through the accommodating chamber 1111 from the side of the opening 1113 of the five-way main body 111, and then passed through the first through-hole 1112 of the five-way main body 111 until the rotating section of the middle shaft 120 is accommodated in the accommodating chamber 1111, and then the middle shaft 120 is passed through the second through-hole 1121a of the cover body 112 so that the cover body 112 covers the side of the opening 1113 of the five-way main body 111, and then the latching protrusion 1122b on the cover body 112 is engaged with the latching groove 1114 on the five-way main body 111 to complete the assembly of the electric vehicle five-way assembly 100, wherein the five-way 110 is used to be installed on the electric vehicle frame, and the middle shaft 120 is used to install the pedals.

[0034] In a possible embodiment of the present application, Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, a first annular protrusion 121 and a second annular protrusion 122 are provided on the rotating section of the central shaft 120, a first abutting portion 1115 in contact with the first annular protrusion 121 is provided on the five-way body 111, and a second abutting portion 1122a in contact with the second annular protrusion 122 is provided on the cover body 112.

[0035] Specifically, when the rotating section of the central axis 120 is installed in the accommodating chamber 1111, the first annular protrusion 121 contacts the first abutment portion 1115 and can rotate relative to it, and the second annular protrusion 122 contacts the second abutment portion 1122a and can rotate relative to it, so as to achieve the purpose of driving the central axis 120 to rotate through the pedals.

[0036] When assembling the electric vehicle five-way assembly 100 of the present application, the middle shaft 120 is first passed through the accommodating chamber 1111 from the opening 1113 side of the five-way body 111, and then passed through the first through-hole 1112 of the five-way body 111 until the rotating section of the middle shaft 120 is accommodated in the accommodating chamber 1111, and then passed through the second through-hole 1121a of the cover body 112 to allow the cover body 112 to cover the opening 1113 side of the five-way body 111, and then engaged with the locking groove 1114 on the five-way body 111 through the locking protrusion 1122b on the cover body 112. At this time, the first abutting portion 1115 of the five-way body 111 contacts the first annular protrusion 121, and the second abutting portion 1122a of the cover body 112 contacts the second annular protrusion 122, so as to complete the assembly of the electric vehicle five-way assembly 100, wherein the five-way 110 is used to be installed on the electric vehicle frame, and the middle shaft 120 is used to install the pedals.

[0037] In a possible embodiment of the present application, Figure 2 As shown, a first sealing sleeve is provided between the first annular protrusion 121 and the first abutting portion 1115 , and a second sealing sleeve is further provided between the second annular protrusion 122 and the second abutting portion 1122 a .

[0038] Specifically, a first sealing sleeve is provided between the first annular protrusion 121 and the first abutting portion 1115, and a second sealing sleeve is also provided between the second annular protrusion 122 and the second abutting portion 1122a, so as to prevent rainwater and the like from entering the accommodating chamber 1111 and causing rust at the abutment between the first annular protrusion 121 and the first abutting portion 1115 or rust at the abutment between the second annular protrusion 122 and the second abutting portion 1122a, thereby affecting the rotation effect of the middle shaft 120 and the five-way bracket 110.

[0039] In a possible embodiment of the present application, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the bottom bracket body 111 is provided with a locking hole 1116, and the cover body 112 is provided with a connecting hole corresponding to the locking hole 1116. The bottom bracket body 111 and the cover body 112 are connected by fasteners passing through the locking hole 1116 and the connecting hole.

[0040] When assembling the electric vehicle five-way assembly 100 of the present application, the middle shaft 120 is first passed through the opening 1113 side of the five-way body 111 into the accommodating chamber 1111, and then passed through the first through-hole 1112 of the five-way body 111 until the rotating section of the middle shaft 120 is accommodated in the accommodating chamber 1111. Then, the middle shaft 120 is passed through the second through-hole 1121a of the cover body 112 so that the cover body 112 covers the opening 1113 side of the five-way body 111. Then, the locking protrusion 1122b on the cover body 112 is engaged with the locking groove 1114 on the five-way body 111. At this time, the first abutting portion 1115 of the five-way body 111 is in contact with the first annular protrusion 121, and the second abutting portion 1122a of the cover body 112 is in contact with the second annular protrusion 122. The five-way body 111 and the cover body 112 are connected by fasteners passing through the locking hole 1116 and the connecting hole to complete the assembly of the electric vehicle five-way assembly 100.

[0041] In a possible embodiment of the present application, Figure 1 As shown, a toothed disc 130 is coaxially arranged on the middle shaft 120 , and the toothed disc 130 is used for engaging with the chain.

[0042] When assembling the electric vehicle five-way assembly 100 of the present application, the middle shaft 120 is first passed through the opening 1113 side of the five-way body 111 into the accommodating chamber 1111, and then passed through the first through-hole 1112 of the five-way body 111 until the rotating section of the middle shaft 120 is accommodated in the accommodating chamber 1111. Then, the middle shaft 120 is passed through the second through-hole 1121a of the cover body 112 so that the cover body 112 covers the opening 1113 side of the five-way body 111. Then, the cover body 112 is connected to the protrusion 1122b on the cover body 112 and the protrusion 1122b on the five-way body 111. The card slot 1114 is engaged, and at this time the first abutment portion 1115 of the five-way body 111 contacts the first annular protrusion 121, and the second abutment portion 1122a of the cover body 112 contacts the second annular protrusion 122, and the five-way body 111 and the cover body 112 are connected by fasteners passing through the locking hole 1116 and the connecting hole. After the middle shaft 120 and the five-way 110 are assembled, the chainring 130 is coaxially installed on the middle shaft 120, and a sprocket is connected to the chainring 130 to connect the transmission assembly to complete the assembly of the electric vehicle five-way assembly 100.

[0043] In a possible embodiment of the present application, Figure 1 As shown, a first mounting portion 123 and a second mounting portion 124 for mounting pedals are provided at both ends of the central axis 120 .

[0044] When assembling the electric vehicle five-way assembly 100 of the present application, the middle shaft 120 is first passed through the opening 1113 side of the five-way body 111 into the accommodating chamber 1111, and then passed through the first through-hole 1112 of the five-way body 111 until the rotating section of the middle shaft 120 is accommodated in the accommodating chamber 1111. Then, the middle shaft 120 is passed through the second through-hole 1121a of the cover body 112 so that the cover body 112 covers the opening 1113 side of the five-way body 111. The latching protrusion 1122b on the cover 112 is then engaged with the latching groove 1114 on the bottom bracket body 111. At this point, the first abutting portion 1115 of the bottom bracket body 111 contacts the first annular protrusion 121, and the second abutting portion 1122a of the cover 112 contacts the second annular protrusion 122. Fasteners are then passed through the locking holes 1116 and the connecting holes to connect the bottom bracket body 111 and the cover 112, completing the assembly of the electric vehicle bottom bracket assembly 100. Pedals are then installed on the first mounting portion 123 and the second mounting portion 124, respectively.

[0045] In a possible embodiment of the present application, Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the cover body 112 includes a covering section 1121 and a rotation connection section 1122 . The covering section seals the opening 1113 . The second abutting portion 1122 a and the locking protrusion 1122 b are provided on the rotation connection section 1122 .

[0046] When assembling the electric vehicle five-way assembly 100 of the present application, the middle shaft 120 is first passed through the opening 1113 side of the five-way body 111 into the accommodating chamber 1111, and then passed through the first through-hole 1112 of the five-way body 111 until the rotating section of the middle shaft 120 is accommodated in the accommodating chamber 1111, and then the middle shaft 120 is passed through the second through-hole 1121a of the cover body 112 so that the cover portion covers the opening 1113 side of the five-way body 111, and then the middle shaft 120 is rotated. The locking protrusion 1122b on the connecting section 1122 is engaged with the locking groove 1114 on the five-way body 111. At this time, the first abutment portion 1115 of the five-way body 111 is in contact with the first annular protrusion 121, and the second abutment portion 1122a of the rotating connecting section 1122 is in contact with the second annular protrusion 122. The five-way body 111 and the cover body 112 are connected by fasteners passing through the locking hole 1116 and the connecting hole to complete the assembly of the electric vehicle five-way assembly 100.

[0047] The present application also discloses an electric vehicle frame, comprising a frame, a transmission assembly, and the electric vehicle five-way assembly 100 of the aforementioned embodiment. The electric vehicle five-way assembly 100 and the transmission assembly are arranged on the frame, and the frame is provided with a connecting portion. The five-way 110 of the electric vehicle five-way assembly 100 is mounted on the connecting portion, and the electric vehicle five-way assembly 100 is connected to the transmission assembly. The electric vehicle frame has the same structure and beneficial effects as the electric vehicle five-way assembly 100 of the aforementioned embodiment. The structure and beneficial effects of the electric vehicle five-way assembly 100 have been described in detail in the aforementioned embodiment and will not be repeated here.

[0048] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A five-way assembly for an electric vehicle, characterized in that: It includes a five-way bracket and a central axis, the five-way bracket includes a five-way bracket body and a cover body that are interlocked, the five-way bracket body has a accommodating chamber and a first through-hole and an opening connected to the accommodating chamber, the first through-hole and the opening are located on both sides of the accommodating chamber, the cover body covers the opening, and the cover body is provided with a second through-hole that is linearly arranged with the first through-hole, the central axis passes through the first through-hole and the second through-hole so that the rotating section of the central axis is accommodated in the accommodating chamber.

2. The electric vehicle five-way assembly according to claim 1, characterized in that: A clamping slot is provided on the opening side of the five-way main body, and a clamping protrusion engaged with the clamping slot is provided on the cover body.

3. The electric vehicle five-way assembly according to claim 2, characterized in that: The rotating section of the central shaft is provided with a first annular protrusion and a second annular protrusion, the five-way main body is provided with a first abutting portion in contact with the first annular protrusion, and the cover body is provided with a second abutting portion in contact with the second annular protrusion.

4. The electric vehicle five-way assembly according to claim 3, characterized in that: A first sealing sleeve is provided between the first annular protrusion and the first abutting portion, and a second sealing sleeve is further provided between the second annular protrusion and the second abutting portion.

5. The electric vehicle five-way assembly according to claim 3, characterized in that: The five-way main body is provided with a locking hole, and the cover body is provided with a connecting hole corresponding to the locking hole. The five-way main body and the cover body are connected by a fastener passing through the locking hole and the connecting hole.

6. The electric vehicle five-way assembly according to claim 1, characterized in that: A toothed disc is coaxially arranged on the middle shaft and is used for meshing and connecting with the chain.

7. The electric vehicle five-way assembly according to claim 1, characterized in that: The two ends of the central shaft are provided with a first mounting portion and a second mounting portion for mounting pedals.

8. The electric vehicle five-way assembly according to claim 3, characterized in that: The cover body includes a covering section and a rotation connection section, the covering section covers the opening, and the second abutting portion and the locking protrusion are arranged on the rotation connection section.

9. An electric vehicle frame, characterized in that: It comprises a frame, a transmission assembly and the electric vehicle five-way assembly according to any one of claims 1 to 8, wherein the electric vehicle five-way assembly and the transmission assembly are arranged on the frame, and the electric vehicle five-way assembly is connected to the transmission assembly.

10. The electric vehicle frame according to claim 9, characterized in that: The frame is provided with a connecting portion, and the five-way bracket of the electric vehicle five-way bracket assembly is installed on the connecting portion.