CN217706153U

CN217706153U - Five-way subassembly and electric motor car

Info

Publication number: CN217706153U
Application number: CN202220995476.3U
Authority: CN
Inventors: 刘洪强; 李伟建; 李邦营; 苑琳辉
Original assignee: Tianjin Aima Vehicle Technology Co Ltd
Current assignee: Tianjin Aima Vehicle Technology Co Ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-11-01
Anticipated expiration: 2032-04-24

Abstract

The utility model belongs to the technical field of electric vehicles, and discloses a five-way assembly and an electric vehicle, wherein the five-way assembly comprises a middle shaft, a support frame and a five-way, and the middle shaft is provided with two shaft shoulders at intervals along the length direction; the two support frames are respectively abutted against the two shaft shoulders; the five-way comprises two semicircular tubes, at least one semicircular tube is provided with two abutting parts, and the two abutting parts are abutted to the two support frames respectively so that the relative positions of the two abutting parts, the two support frames and the two shoulders along the length direction of the middle shaft are kept fixed to install the five-way on the middle shaft; the two semicircular pipes can be detachably connected and can be buckled to form a through hole, the middle shaft penetrates through the through hole, and one semicircular pipe is fixedly arranged on the frame, so that the assembly sequence of the five-way assembly is more flexible, the installation and operation are simple, and meanwhile, the semicircular pipes can be conveniently detached and replaced.

Description

Five-way assembly and electric vehicle

Technical Field

The utility model relates to an electric motor car technical field especially relates to a five-way subassembly and electric motor car.

Background

According to GB 17761-2018 safety technical Specification for electric bicycles, the electric bicycle needs to have pedal riding capability, electric driving and/or electric power assisting functions, so all electric bicycles need to be added with five-way switches to meet the pedal riding function.

At present, the connecting mode between the middle shaft and the five-way pipe of the electric vehicle is generally that the middle shaft penetrates through the five-way pipe, and the ball frame and the thread bowls are sleeved at two ends of the middle shaft, so that the thread bowls are fixed on the five-way pipe to complete installation.

Therefore, a five-way assembly and an electric vehicle are needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

According to the utility model discloses an aspect, the utility model provides a five-way subassembly can make the equipment order of five-way subassembly more nimble, and installation easy operation is convenient for the dismantlement and the change of semicircle pipe in the five-way simultaneously.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a five-way assembly comprising:

the middle shaft is provided with two shaft shoulders at intervals along the length direction;

the two support frames are respectively abutted against the two shaft shoulders;

the five-way comprises two semicircular pipes, wherein the two semicircular pipes are detachably connected and can be buckled to form a through hole, the middle shaft penetrates through the through hole, one semicircular pipe is fixedly arranged on the frame, at least one semicircular pipe is provided with two abutting parts, and the two abutting parts abut against the two support frames respectively so that the relative positions of the two abutting parts, the two support frames and the two shaft shoulders along the length direction of the middle shaft are kept fixed.

As a preferable scheme of the five-way assembly, the two shaft shoulders are located between the two support frames, and the two support frames are located between the two abutting portions.

Preferably, the two abutting portions are located at both end portions of the semicircular tube, respectively.

In a preferred embodiment of the five-way assembly, the abutting portion is provided on a wall of the semicircular tube in a circumferential direction of the semicircular tube and is located between the semicircular tube and the center shaft.

As a preferable scheme of the five-way assembly, the support frames can be simultaneously and fixedly arranged on the two semicircular tubes, and the middle shafts respectively penetrate through the two support frames in a rotating manner.

As a preferred scheme of the five-way component, the support frame is made of plastic materials.

As a preferable scheme of the five-way assembly, the support frame comprises a ball frame and a screw bowl, the screw bowl is sleeved on the ball frame and is abutted against the semicircular tube, and the ball frame is sleeved on the middle shaft and is abutted against the shaft shoulder.

As a preferable scheme of the five-way assembly, the five-way assembly further comprises two connecting pieces, one sides of the two semicircular pipes are connected through one connecting piece, and the other sides of the two semicircular pipes are connected through the other connecting piece.

As a preferred scheme of the five-way component, the five-way component further comprises a wheel disc, and the wheel disc is fixedly arranged on the middle shaft.

According to another aspect of the utility model, an electric motor car is provided, including above-mentioned five-way subassembly.

The utility model has the advantages that:

the utility model provides a five-way subassembly forms the through-hole through two semicircle pipe cross-buckles in order to constitute five-way, and the axis passes the through-hole, two butt portions respectively with two support frame butts, two support frames respectively with two shaft shoulder butts to make two butt portions, two support frames and two shaft shoulders keep fixed along axis length direction's relative position, in order to install five-way in the axis. Through two semicircle pipes detachable connection, when the installation, can install the support frame in the axis in advance to can accomplish the assembly back simultaneously with other structures such as the crank of being connected with the axis, assemble one of them semicircle pipe and axis again, and make butt portion and support frame butt, connect two semicircle pipes again and can accomplish five-way and centraxonial equipment, thereby make the equipment order of five-way subassembly more nimble, installation easy operation, the dismantlement and the change of the semicircle pipe of being convenient for simultaneously.

The utility model also provides an electric motor car adopts above-mentioned five-way subassembly to make the equipment order between each structure of electric motor car nimble, simplify the installation flow.

Drawings

Fig. 1 is an exploded view of a five-way assembly in an embodiment of the present invention;

fig. 2 is an exploded view of the five-way component in the embodiment of the present invention.

In the figure:

1. a middle shaft; 11. a shaft shoulder;

2. a support frame;

3. five-way connection; 31. a semicircular tube; 311. an abutting portion;

4. a wheel disc.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The electric bicycle needs to be added with a five-way switch to meet the pedal riding function. At present, the connecting mode between the middle shaft and the five-way pipe of the electric vehicle is generally that the middle shaft penetrates through the five-way pipe, and the ball frame and the thread bowls are sleeved at two ends of the middle shaft, so that the thread bowls are fixed on the five-way pipe to complete installation.

To above-mentioned problem, this embodiment provides a five-way subassembly, and the equipment order that can make the five-way subassembly is more nimble, and installation easy operation is convenient for the dismantlement and the change of semicircle pipe in the five-way simultaneously, can be used to electric motor car technical field.

Fig. 1 shows an exploded view of a five-way assembly in an embodiment of the present invention; fig. 2 shows an exploded view of the five-way assembly in the embodiment of the present invention. Referring to fig. 1-2, the five-way assembly comprises a middle shaft 1, a support frame 2 and a five-way 3, wherein two shaft shoulders 11 are arranged at intervals along the length direction of the middle shaft 1; two support frames 2 are arranged, and the two support frames 2 are respectively abutted against the two shaft shoulders 11; the five-way joint 3 comprises two semicircular tubes 31, at least one semicircular tube 31 is provided with two abutting parts 311, the two abutting parts 311 abut against the two support frames 2 respectively, so that the relative positions of the two abutting parts 311, the two support frames 2 and the two shaft shoulders 11 along the length direction of the middle shaft 1 are kept fixed, and the assembly of the five-way joint 3 and the middle shaft 1 is completed.

With reference to fig. 1-2, the two semicircular tubes 31 can be detachably connected and can be buckled to form a through hole, the center shaft 1 passes through the through hole, one semicircular tube 31 is used for being fixedly arranged on the frame, so that in the installation process of the five-way structure, the support frame 2 can be installed on the center shaft 1 in advance, after the crank and other structures connected with the center shaft 1 are assembled at the same time, one semicircular tube 31 is assembled with the center shaft 1, the abutting part 311 is abutted against the support frame 2, and then the two semicircular tubes 31 are connected to complete the assembly of the five-way component 3 and the center shaft 1, so that the assembly sequence of the five-way component is more flexible, the installation operation is simple, and the semicircular tubes 31 can be conveniently detached and replaced.

With continued reference to fig. 1-2, the two support frames 2 are respectively abutted against the two shoulders 11, and the two abutting portions 311 are respectively abutted against the two support frames 2, and the specific structure is that the two shoulders 11 are both located between the two support frames 2, and the two support frames 2 are both located between the two abutting portions 311. That is to say, along the length direction of the middle shaft 1, one abutting part 311, one support frame 2 and one shoulder 11 abut in sequence, and at the other end, the other shoulder 11, the other support frame 2 and the other abutting part 311 abut in sequence, so that the shoulders 11 and the support frames 2 are all arranged in the through holes formed by the buckling of the semicircular tubes 31, and the collision of other structures is prevented. As an alternative, both abutments 311 are located between two support frames 2, both support frames 2 being located between two shoulders 11, which also enables the assembly of the five-way assembly.

With continued reference to fig. 1-2, more specifically, the abutting portion 311 is disposed on the wall of the semicircular tube 31 along the circumferential direction of the semicircular tube 31 and between the semicircular tube 31 and the central axis 1, so that the semicircular tube 31 has a simple structure and is easy to process and assemble. Alternatively, the two abutting portions 311 are respectively located at both end portions of the semicircular tube 31 to reduce the length of the semicircular tube 31 as much as possible and reduce the weight.

With continued reference to fig. 1-2, the specific structure of the supporting frame 2 may be two of the following:

the support frame 2 can adopt traditional structure, particularly, the support frame 2 includes ball frame and silk bowl, and the silk bowl cover is located the ball frame and with 31 butts of semicircle pipe, the ball frame cover locate axis 1 and with 11 butts of shaft shoulder. The thread bowl is generally fixedly arranged on the semicircular tube 31, the ball frame and the thread bowl are equivalent to a bearing structure, the friction force between the central shaft 1 and the semicircular tube 31 can be effectively reduced, and the axial positioning along the central shaft 1 is completed by abutting the thread bowl against the semicircular tube 31 and abutting the ball frame against the shaft shoulder 11.

Support frame 2 can also regard as an overall structure, particularly, support frame 2 can be fixed simultaneously and set up in two semicircle pipes 31, specifically can connect through interference fit's mode, perhaps is protruding to be equipped with the arch at the outer peripheral face of support frame 2, and semicircle pipe 31 has the slot, and the arch is pegged graft in the slot to after two semicircle pipes 31 accomplish to connect, support frame 2 can be fixed for two semicircle pipes 31. The middle shaft 1 is respectively and rotatably arranged on the two support frames 2 in a penetrating way, the support frames 2 can be made of soft materials so as to reduce vibration noise between the middle shaft 1 and the support frames 2 caused by radial runout of the middle shaft 1, and the support frames 2 are preferably made of plastic materials.

With continued reference to fig. 1-2, the five-way connector 3 further includes two connecting members, one side of the two semicircular tubes 31 is connected by one connecting member, and the other side of the two semicircular tubes 31 is connected by another connecting member, so as to complete the connection of the two semicircular tubes 31 of the five-way connector 3. The connecting piece can be the structure such as bolt or screw to make two semicircle pipes 31 can dismantle the connection through threaded connection, with its ground that corresponds, be provided with on the semicircle pipe 31 and be used for the screw hole with bolt or screw connection, the screw hole can directly set up on the pipe wall of semicircle pipe 31, can also be, at the both sides pipe wall epirelief of semicircle pipe 31 and establish the installation boss, the screw hole is seted up in the installation boss. Optionally, more than two connecting pieces are provided, for example, three connecting pieces are provided in the present embodiment, two connecting pieces are connected to one side of the semicircular tube 31, and one connecting piece is connected to the other side of the semicircular tube 31.

With continued reference to fig. 1-2, the bottom bracket assembly further includes a wheel disc 4, the wheel disc 4 is fixedly disposed on the middle shaft 1, specifically, the middle shaft 1 is provided with a groove, the wheel disc 4 is provided with a mounting hole, the middle shaft 1 is in key connection with the wheel disc 4, or the wheel disc 4 is directly welded on the middle shaft 1. In the actual assembly process, the requirements on the sequence of installing the wheel disc 4 and installing the five-way valve 3 are not required, and a user can make adjustment according to the actual situation.

The embodiment also provides an electric vehicle which can be an electric bicycle or an electric tricycle, the electric vehicle comprises the five-way component, the five-way component and other structures connected with the middle shaft can be assembled in a flexible sequence, the electric vehicle is convenient to assemble, and the installation process is simplified.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A five-way assembly, comprising:

the middle shaft (1) is provided with two shaft shoulders (11) at intervals along the length direction;

two support frames (2) are arranged, and the two support frames (2) are respectively abutted against the two shaft shoulders (11);

the five-way joint (3) comprises two semicircular pipes (31), wherein the two semicircular pipes (31) are detachably connected and can be buckled to form a through hole, the middle shaft (1) penetrates through the through hole, one semicircular pipe (31) is used for being fixedly arranged on a frame, at least one semicircular pipe (31) is provided with two abutting parts (311), and the two abutting parts (311) are abutted to the two support frames (2) respectively so that the relative positions of the two abutting parts (311), the two support frames (2) and the two shaft shoulders (11) along the length direction of the middle shaft (1) are kept fixed.

2. A five-way assembly according to claim 1, wherein both the shoulders (11) are located between both the support brackets (2), and both the support brackets (2) are located between both the abutments (311).

3. Five-way assembly according to claim 1, characterized in that the two abutments (311) are located respectively at the two end ends of the semi-circular tube (31).

4. The five-way assembly according to claim 1, characterized in that the abutment (311) is arranged on the wall of the semi-circular tube (31) in the circumferential direction of the semi-circular tube (31) and between the semi-circular tube (31) and the central axis (1).

5. The five-way assembly according to claim 1, wherein the support frame (2) can be simultaneously and fixedly arranged on the two semicircular tubes (31), and the middle shaft (1) is respectively rotatably arranged through the two support frames (2).

6. Five-way assembly according to claim 5, wherein the support frame (2) is made of a plastic material.

7. The bottom bracket assembly according to claim 1, wherein the support frame (2) comprises a ball frame and a wire bowl, the wire bowl is sleeved on the ball frame and is abutted against the semicircular tube (31), and the ball frame is sleeved on the center shaft (1) and is abutted against the shaft shoulder (11).

8. A five-way assembly according to any one of claims 1-7, characterized in that the five-way (3) further comprises two connectors, one side of the two half-round tubes (31) being connected by one of the connectors and the other side of the two half-round tubes (31) being connected by the other connector.

9. A five-way assembly according to any one of claims 1-7, characterized by further comprising a wheel disc (4), the wheel disc (4) being fixedly arranged to the bottom bracket axle (1).

10. An electric vehicle comprising a five-way assembly according to any one of claims 1 to 9.