CN217918261U

CN217918261U - Front fork subassembly and electric motor car

Info

Publication number: CN217918261U
Application number: CN202222163454.3U
Authority: CN
Inventors: 段华; 多磊; 袁付周; 孙振来; 田玮
Original assignee: Tianjin Emma Sporting Goods Co ltd
Current assignee: Tianjin Emma Sporting Goods Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-29
Anticipated expiration: 2032-08-16

Abstract

The utility model belongs to the technical field of the electric motor car, a front fork subassembly and electric motor car are disclosed. This front fork subassembly includes the front fork body, the fork colludes and the connecting piece, and the fork colludes and connects in the front fork body, and the fork colludes and has U type groove, and U type groove can peg graft with the front axle, and connecting piece detachably connects in the fork colludes, and the connecting piece has first through-hole, first through-hole and U type groove intercommunication, front axle and the cooperation of pegging graft of first through-hole, and the connecting piece is protruding still to be equipped with the dog, and the dog is used for sealing U type groove, and the dog can with the front axle butt. Through set up the dog on the connecting piece, can obviously promote the intensity of connecting piece, guarantee the reliability that front wheel axle and fork collude the connection, further guarantee the reliability that front fork subassembly and front wheel are connected, promoted the security. When the front axle diameter of electric motor car changed, only need to change the front axle that the connecting piece just can the different diameters of adaptation, can avoid the holistic waste of front fork subassembly, and can promote the security.

Description

Front fork subassembly and electric motor car

Technical Field

The utility model relates to an electric motor car technical field especially relates to front fork subassembly and electric motor car.

Background

The front fork is a component of an electric vehicle, is usually arranged in the front of the vehicle, is connected with a handlebar part at the upper end, is matched with a front wheel shaft part at the lower end, and is a component of a guide system of the electric vehicle.

The front fork usually sets up the opening in fork hook department for with front wheel axle grafting cooperation, and the front fork has the spacing hole, can carry out the grafting cooperation with the hook that bends on the gasket, and has the connecting hole on the gasket, the front wheel axle is pegged graft in this connecting hole, and then connects the front wheel axle in the front fork through the hook that bends on the gasket and spacing hole grafting cooperation. In prior art, the opening that the fork colluded is usually the same with the connecting hole width on the gasket, and with the diameter size phase-match of front axle, current shaft diameter changes, and the front fork often can not continue to use, has caused cost increase and wasting of resources to the hook intensity of bending on the gasket is lower, leads to the connection performance of front axle and front fork poor, has the safety risk.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a front fork subassembly and electric motor car, the connecting piece of this front fork subassembly can be changed according to the diameter of front axle, has avoided because the fork colludes the waste of the whole front fork subassembly that size and front axle mismatch caused, and the connecting piece has better intensity, can guarantee the stability of front fork subassembly and front axle connection, has promoted the security when riding.

To achieve the purpose, the utility model adopts the following technical proposal:

a front fork assembly, the front fork assembly comprising:

a front fork body;

the fork hook is connected with the front fork body and provided with a U-shaped groove which is used for inserting the front wheel shaft;

the connecting piece, connecting piece detachably connect in the fork collude, and the connecting piece has first through-hole, first through-hole and U type groove intercommunication, first through-hole and front axle grafting cooperation, the protruding dog that is equipped with of connecting piece, the dog is used for sealing U type groove, and the dog can with the front axle butt.

Preferably, the fork hook further has a groove for receiving the connecting piece.

Preferably, the depth of the groove is not less than the thickness of the connector.

Preferably, the connecting piece has a second through hole, the fork hook has a first threaded hole, and the first bolt passes through the second through hole and is connected with the first threaded hole in a screwing manner to detachably connect the connecting piece to the fork hook.

Preferably, the U-shaped groove has a first arc surface that can abut against the front wheel axle.

Preferably, the first through hole has a second arc surface and a third arc surface, the second arc surface and the third arc surface are arranged at an interval, the second arc surface and the third arc surface can be abutted against the front axle, and the second arc surface and the third arc surface are not abutted against the front axle at the same time.

Preferably, the stopper has a fourth arc surface, and the fourth arc surface is capable of abutting against the front wheel axle.

Preferably, the third arc surface is connected with the fourth arc surface.

Preferably, the connecting piece is made of aluminum.

The utility model discloses still disclose an electric motor car, this electric motor car includes foretell front fork subassembly.

The utility model has the advantages that:

the utility model discloses a front fork subassembly, this front fork subassembly include front fork and connecting piece, and the front fork includes that the fork colludes, and the fork colludes and has U type groove, and U type groove and front axle grafting cooperation, connecting piece detachably connect in the fork collude, and the connecting piece has first through-hole, first through-hole and U type groove intercommunication, and first through-hole and front axle grafting cooperation to the protruding dog that is equipped with of connecting piece, dog are used for sealing U type groove. The connecting piece of the front fork assembly is in plug-in fit with the front wheel shaft, the connecting piece is detachably connected to the fork hook, the U-shaped groove is used for accommodating the front wheel shaft, and two side walls of the U-shaped groove are arranged at intervals with the front wheel shaft; when the diameter of the front wheel shaft changes, only the first through hole width and the front wheel shaft matched connecting piece need to be replaced, the front wheel shaft is connected to the fork hook again, the whole front fork assembly does not need to be replaced, and resources are saved. The dog on the connecting piece can seal U type groove and can with the front axle butt, can obviously increase the intensity of connecting piece, guarantees the reliability of front axle connection.

The utility model discloses still disclose an electric motor car, foretell front fork subassembly is installed to this electric motor car, and the front wheel of this electric motor car has better connection performance with the front fork subassembly, can guarantee the holistic stability of electric motor car, and can increase the life of electric motor car.

Drawings

FIG. 1 is a schematic structural view of a front fork assembly of the present invention;

FIG. 2 is an exploded view of the front fork assembly of the present invention;

FIG. 3 is a schematic structural view of the front fork body of the present invention;

fig. 4 is a partially enlarged view of a in fig. 3 according to the present invention;

fig. 5 is a schematic structural view of a connecting member according to embodiment 1 of the present invention;

fig. 6 is a schematic view of another perspective of the connector according to embodiment 1 of the present invention;

fig. 7 is a schematic structural view of a connecting member according to embodiment 2 of the present invention;

fig. 8 is a schematic view of another view angle of the connector according to embodiment 2 of the present invention.

In the figure:

1. a front fork assembly;

10. a front fork body;

20. a fork hook; 21. a U-shaped groove; 211. a first arc surface; 22. a groove; 23. a first threaded hole; 24. a first bolt;

30. a connecting member; 31. a first through hole; 311. a second arc surface; 312. a third arc surface; 32. a stopper; 321. a fourth arc surface; 33. a second via.

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 to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

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 in specific cases to 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. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that 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 particular orientation, be constructed and operated in a particular orientation, 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 front fork is an important component of the electric vehicle and is mainly used for connecting a front wheel. In prior art, the front fork is colluded by the fork usually and the gasket is constituteed, the fork is colluded and is had opening and spacing hole, the gasket has the connecting hole and is rolled over the crotch, under general conditions, the opening that the fork colluded is unanimous with the connecting hole width of gasket, and the homoenergetic cooperates with front axle grafting, peg graft through bending the hook and spacing hole with front axle shaft connection in front fork, this kind of connected mode not only intensity is lower, and the flexibility is not enough, when the diameter of front axle changes, generally need change the front fork together, the waste of resource has been caused.

Accordingly, the embodiment discloses a front fork assembly and an electric vehicle.

Example 1

As shown in fig. 1 to 6, the front fork assembly 1 disclosed in this embodiment includes a front fork body 10, a fork hook 20 and a connecting member 30, wherein the fork hook 20 is connected to the front fork body 10, the fork hook 20 has a U-shaped groove 21, the U-shaped groove 21 is used for accommodating a front axle, and two side walls of the U-shaped groove 21 are spaced from the front axle; the connecting piece 30 is detachably connected to the fork hook 20, the connecting piece 30 is provided with a first through hole 31, the first through hole 31 is communicated with the U-shaped groove 21, the first through hole 31 is in plug fit with the front axle, the connecting piece 30 is convexly provided with a stop block 32, the stop block 32 is used for sealing the U-shaped groove 21, and the stop block 32 can be abutted to the front axle. Specifically, in this embodiment, the front fork assembly 1 includes two fork hooks 20, two fork hooks 20 are symmetrically disposed on the front fork body 10, each fork hook 20 has a connector 30 detachably connected to the fork hook 20, the connector 30 has a first through hole 31, the first through hole 31 is used for being in plugging fit with the front wheel axle, the U-shaped groove 21 of the fork hook 20 is communicated with the first through hole 31, and the connector 30 detachably connected to the fork hook 20, and further connect the front wheel axle to the fork hook 20, so as to realize the function of the front fork assembly 1, and the first through hole 31 can have different shapes according to actual use. The both sides wall and the equal interval setting of front axle of U type groove 21 in this embodiment, the width in U type groove 21 is greater than the diameter of front axle promptly, when the diameter of front axle changes, only need change connecting piece 30, make the width of the first through-hole 31 of connecting piece 30 with the front axle can the grafting cooperation can, can avoid effectively avoiding the wasting of resources because the whole change of front fork subassembly 1 that the front axle diameter change leads to. Connecting piece 30 is protruding to be equipped with dog 32, dog 32 can seal U type groove 21, avoided the front axle to deviate from U type groove 21, further increase front fork subassembly 1 and front axle connected's stability, and dog 32 can with the front axle butt, the intensity of connecting piece 30 has been increased, guarantee front fork subassembly 1 and front axle connected's reliability, can further increase the stability of electric motor car operation in-process front axle, the security in riding has been promoted.

Further, the fork hook 20 has a groove 22, and the groove 22 is used for accommodating the connecting piece 30. Specifically, in this embodiment, the groove 22 of the fork hook 20 is perpendicular to the front axle, the groove 22 can accommodate the connecting piece 30, the edge of the groove 22 can have a certain limiting effect on the connecting piece 30, in the running process of the electric vehicle, the connecting performance between the connecting piece 30 and the fork hook 20 can be enhanced, and the limiting effect of the connecting piece 30 on the front axle can also be ensured.

Further, the depth of the groove 22 is not less than the thickness of the connecting member 30. Specifically, in this embodiment, the depth of the groove 22 is not less than the thickness of the connecting member 30, so that the limiting effect of the groove 22 on the connecting member 30 is stronger, the connecting member 30 is more stably mounted, and the connection performance between the front fork assembly 1 and the front wheel axle is further ensured.

Further, the connecting member 30 has a second through hole 33, the fork hook 20 has a first threaded hole 23, and the first bolt 24 passes through the second through hole 33 and is threadedly engaged with the first threaded hole 23 to detachably connect the connecting member 30 to the fork hook 20. Specifically, in this embodiment, the connection mode of the connection member 30 and the fork hook 20 is set to be threaded, so that the connection performance is good, the connection stability of the front fork assembly 1 and the front axle is ensured, the connection member can be conveniently detached, and the connection member 30 can be conveniently replaced and maintained.

Further, the U-shaped groove 21 has a first arc surface 211, and the first arc surface 211 can abut against the front wheel axle. Specifically, in this embodiment, U type groove 21 one end has first arc surface 211, and in the electric motor car driving process, when the front wheel shaft moved along first direction, U type groove 21's first arc surface 211 can with the front wheel shaft butt, played the effect of restriction front wheel shaft position, can guarantee that front wheel shaft and front fork subassembly 1's connection has stronger contact performance to for rounding off when colliding between first arc surface 211 and the front wheel shaft, can reduce the impact as far as possible.

Further, the first through hole 31 has a second arc surface 311 and a third arc surface 312, the second arc surface 311 and the third arc surface 312 are disposed at an interval, both the second arc surface 311 and the third arc surface 312 can be abutted against the front axle, and the second arc surface 311 and the third arc surface 312 are not abutted against the front axle at the same time. Specifically, in this embodiment, the first through hole 31 is in plug-in fit with the front axle, the first through hole 31 has a second arc surface 311 and a third arc surface 312, the second arc surface 311 and the third arc surface 312 are sequentially disposed at two ends of the first through hole 31 along the first direction, when the front axle moves along the forward direction of the first direction, the second arc surface 311 can abut against the front axle and limit movement of the front axle along the forward direction of the first direction, when the front axle moves along the reverse direction of the first direction, the third arc surface 312 can abut against the front axle and limit movement of the front axle along the reverse direction of the first direction, the second arc surface 311 and the third arc surface 312 limit the position of the front axle in the first direction, and stability of connection of the front axle is ensured.

Further, the stopper 32 has a fourth arc surface 321, and the fourth arc surface 321 can abut against the front wheel axle. Specifically, in this embodiment, the stopper 32 is used to close the opening of the U-shaped groove 21, and when the front axle moves in the reverse direction of the first direction, the fourth arc surface 321 on the stopper 32 can abut against the front axle, so as to provide support for the front axle, and limit the reverse position of the front axle in the first direction, thereby ensuring the connection strength between the front axle and the front fork, and also ensuring the range of motion of the front axle.

Further, the third arc surface 312 is connected to the fourth arc surface 321. Specifically, in this embodiment, the third arc surface 312 and the fourth arc surface 321 are set to be connected to each other, so that the third arc surface 312 and the fourth arc surface 321 can limit the front axle at the same time, which is equivalent to increase the thickness of the contact part of the connecting member 30 and the front axle, thereby further ensuring the strength of the connecting member 30 and ensuring the reliability of the connection between the front fork assembly 1 and the front axle.

Further, the connecting member 30 is made of aluminum. Specifically, in this embodiment, the connecting member 30 is made of aluminum, so that the connecting member 30 has good forming ability, good strength and stable performance.

This embodiment still provides an electric motor car, and foretell front fork subassembly 1 is installed to this electric motor car, and when the diameter of front axle need change, only need change front fork subassembly 1's connecting piece 30, front fork subassembly 1 just can normal use to front fork subassembly 1 has better intensity, can guarantee to have better stability with front axle connection, has further guaranteed the holistic stability of electric motor car, and has avoided unnecessary wasting of resources.

Example 2

The present embodiment provides a front fork assembly 1, and the front fork assembly 1 is different from the front fork assembly 1 disclosed in embodiment 1 only in the specific structure of the connecting member 30.

As shown in fig. 7 and 8, the first through hole 31 of the connecting member 30 in the present embodiment is a circular hole, and the first through hole 31 in embodiment 1 is a kidney-shaped hole, which is specifically set according to the practical application scenario. The first through hole 31 of the connecting piece 30 is set to be circular, so that the front axle is matched with the first through hole 31 in an inserting manner, the movement range of the front axle is reduced, the running function of the electric vehicle on a flat road can be ensured, and the processing cost of the electric vehicle can be reduced.

The present embodiment also provides an electric vehicle equipped with the front fork assembly 1 described above, which not only has good flat road traveling capability, but also reduces the processing cost.

It is obvious that the above embodiments of the present invention are only 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 front fork assembly, characterized in that the front fork assembly comprises:

a front fork body (10);

the fork hook (20) is connected to the front fork body (10), the fork hook (20) is provided with a U-shaped groove (21), and the U-shaped groove (21) is used for being inserted into a front wheel shaft;

the connecting piece (30), connecting piece (30) detachably connect in fork collude (20), connecting piece (30) have first through-hole (31), first through-hole (31) with U type groove (21) intercommunication, first through-hole (31) with front axle grafting cooperation, connecting piece (30) are protruding to be equipped with dog (32), dog (32) are used for sealing U type groove (21), just dog (32) can with the front axle butt.

2. The fork assembly of claim 1, wherein the fork hook (20) further comprises a groove (22), the groove (22) is used for accommodating the connecting piece (30), and one surface of the connecting piece (30) is attached to the bottom of the groove (22).

3. The front fork assembly of claim 2, characterized in that the depth of the groove (22) is not less than the thickness of the connector (30).

4. The fork assembly of claim 1, wherein the connector (30) has a second through hole, the fork hook (20) has a first threaded hole (23), and a first bolt (24) passes through the second through hole and is threadably engaged with the first threaded hole (23) to removably connect the connector (30) to the fork hook (20).

5. The front fork assembly of claim 1, characterized in that the U-shaped groove (21) has a first circular arc surface (211), the first circular arc surface (211) being abuttable to the front axle.

6. The front fork assembly of claim 5, characterized in that the first through hole (31) has a second circular arc surface (311) and a third circular arc surface (312), the second circular arc surface (311) and the third circular arc surface (312) are arranged at a distance, and both the second circular arc surface (311) and the third circular arc surface (312) can abut against the front axle, and the second circular arc surface (311) and the third circular arc surface (312) do not abut against the front axle at the same time.

7. Front fork assembly according to claim 6, characterized in that the stop (32) has a fourth circular arc surface (321), the fourth circular arc surface (321) being abuttable to the front axle.

8. The fork assembly of claim 7, wherein the third arcuate surface (312) is continuous with the fourth arcuate surface (321).

9. The fork assembly of any of claims 1-8, wherein the connector (30) is aluminum.

10. An electric vehicle comprising the front fork assembly of any one of claims 1-9.