CN217533129U

CN217533129U - Suspension on electric motor car and suspension structure thereof

Info

Publication number: CN217533129U
Application number: CN202221195948.3U
Authority: CN
Inventors: 姚湘江
Original assignee: ZHEJIANG QIANXI VEHICLE CO Ltd
Current assignee: ZHEJIANG QIANXI VEHICLE CO Ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-10-04
Anticipated expiration: 2032-05-17

Abstract

The utility model provides a suspension and suspension structure on electric motor car. The middle part of its last suspension of electric motor car is equipped with first connecting hole, and the both ends of going up the suspension are equipped with the second connecting hole, and the lower surface of going up the suspension, the both sides that are located first connecting hole place axis are equipped with the stopper respectively. The suspension structure of the electric vehicle comprises a lower suspension, a suspension connecting plate, a suspension connecting seat and the upper suspension of the electric vehicle, wherein the upper end of the suspension connecting plate is rotatably connected to the end part of the upper suspension through a second connecting hole, the lower end of the suspension connecting plate is rotatably connected to the end part of the lower suspension, the upper suspension, the lower suspension and the two suspension connecting plates form a quadrilateral structure, the upper end of the suspension connecting seat is rotatably connected to the middle part of the upper suspension through a first connecting hole, and the lower end of the suspension connecting seat is rotatably connected to the middle part of the lower suspension. The suspension has stable overall motion, so that the vehicle body is stable and is not easy to tip over.

Description

Suspension on electric motor car and suspension structure thereof

Technical Field

The utility model relates to a suspension field relates to a suspension on electric motor car and suspension structure thereof very much.

Background

The electric vehicle is the most common vehicle at present, and the current battery car mainly comprises two-wheeled and three-wheeled electric vehicles. The electric motor car stability of two-wheeled is relatively poor, and most old man can not ride normally. The distance between two rear wheels of the three-wheeled electric vehicle is large, so that the three-wheeled electric vehicle is large and heavy, and the accident of tipping is easy to happen under the action of centrifugal force when the three-wheeled electric vehicle turns. The tiltable electro-tricycle has appeared nowadays, and the vehicle body is driven to tilt by virtue of a rear wheel or a front wheel tiltable suspension, so that the vehicle frame and the rear wheel are synchronously tilted, the gravity center of the vehicle frame is adjusted, and the purpose of preventing tilting is achieved.

In a single link suspension structure for rear wheels of a vehicle shown in patent No. CN207860376U, an upper suspension, a lower suspension, and connecting plates on both sides form a parallelogram structure, and the two rear wheels are balanced by the parallelogram structure of the suspensions so as to be tiltable. However, in this structure, the upper suspension may have a problem that the angle of inclination to one side is excessively large, and this may cause a safety hazard in that the rear wheel is excessively inclined.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a suspension on electric motor car, it can prevent effectively that the too big problem of suspension structure angle of inclination is difficult for turning on one's side, and the security is high.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides a suspension on electric motor car, the middle part of going up the suspension is equipped with first connecting hole, and the both ends of going up the suspension are equipped with the second connecting hole, and the lower surface of going up the suspension, the both sides that are located first connecting hole place axis are equipped with the stopper respectively.

Through above-mentioned technical scheme, when the wheel on the suspension heels, go up the suspension and can take place to rotate relative the suspension connecting seat, go up the suspension and when the relative angle of rotation of suspension connecting seat reached the certain degree, the stopper can support the lateral wall of suspension connecting seat, and restriction it continues to rotate to the biggest turned angle who has injectd the relative suspension connecting seat of last suspension effectively prevents that the wheel on the suspension from overturning to one side slope too big and lead to the car.

Preferably, the limiting block inclines towards the axis direction of the first connecting hole.

Through above-mentioned technical scheme, when the stopper offseted with the side of suspension connecting seat, make its terminal surface contact with the side of suspension connecting seat by a large scale, guarantee spacing accuracy, reduce the pressure that produces simultaneously, the structure is more stable, firm.

Preferably, the upper suspension comprises a suspension plate and side plates arranged on two sides of the suspension plate, the first connecting hole is located in the middle of the side plates, the second connecting holes are located at two ends of the side plates, and the limiting blocks are arranged on the bottom surface of the suspension plate.

Through above-mentioned technical scheme, guarantee that the hanger plate has under the condition of certain structural strength, reduce the hanger plate thickness, lighten weight, make it lighter.

Preferably, the middle part of the side plate protrudes downwards to form a lug, and the second connecting hole is positioned on the lug.

Through above-mentioned technical scheme, increased the activity space of suspension connecting seat, made its deflection be difficult for interfering.

Preferably, a connecting plate is further arranged between the two side plates at one end of the suspension plate, and the upper side face of the connecting plate is connected with the suspension plate.

Through the technical scheme, the suspension plate, the side plate and the connecting plates are integrated through the connecting plates, so that the structural strength is improved.

Preferably, a plurality of lightening holes are uniformly distributed on the suspension plate.

Through above-mentioned technical scheme, lighten the weight of suspension structure.

Preferably, the upper suspension is integrally formed and has an arch structure as a whole.

Through above-mentioned technical scheme, improved the structural strength of going up the suspension on the one hand, interference when on the other hand reduces the suspension relative and goes up the suspension and take place to rotate effectively increases its activity space.

Preferably, the limiting block comprises a mounting seat arranged on the lower surface of the upper suspension, a supporting block in threaded connection with the mounting seat, and a cushion block arranged between the mounting seat and the supporting block, and the mounting seat is inclined towards the axis direction where the first connecting hole is located.

Through the technical scheme, the protruding degree of the limiting block can be adjusted through adjusting the thickness of the cushion block, so that the maximum rotation angle of the upper suspension relative to the suspension connecting seat can be adjusted.

A second object of the utility model is to provide an electric motor car suspension structure, it can effectively prevent that the electric motor car from tumbling, and the security is high.

the utility model provides an electric motor car suspension structure, includes lower suspension, suspension connecting plate, suspension connecting seat, the last suspension of above-mentioned electric motor car, the upper end of suspension connecting plate is rotated through the second connecting hole and is connected in the tip of last suspension, the lower extreme of suspension connecting plate is rotated and is connected in the tip of lower suspension, goes up suspension, lower suspension, two suspension connecting plates and constitutes quadrilateral structure, the upper end of suspension connecting seat is rotated through first connecting hole and is connected in the middle part of last suspension, the lower extreme of suspension connecting seat is rotated and is connected in the middle part of lower suspension.

Through above-mentioned technical scheme, go up suspension, lower suspension, two suspension connecting plates and constitute similar parallelogram's structure, when two suspension connecting plates incline, can guarantee that suspension structure is whole stable and be in the horizontality to the electric motor car is difficult for taking place to tumble, and the stopper here can restrict the maximum inclination angle of connecting plate again through restricting the suspension connecting seat, thereby effective control automobile body makes it stable.

Preferably, a first locking hole is formed in the upper suspension, the first locking hole is located below the first connecting hole, a second locking hole is formed in the lower suspension, and an upper locking hole matched with the first locking hole and a lower locking hole matched with the second locking hole are formed in the suspension connecting seat respectively.

Through above-mentioned technical scheme, insert the locking round pin toward first locking hole and second locking hole, can effectively restrict the rotation of the relative suspension connecting seat of suspension and the rotation of the relative suspension connecting seat of lower suspension.

The utility model discloses technical effect mainly embodies in following aspect:

1. the upper suspension frame has high structural strength;

2. the suspension moves stably as a whole, so that the vehicle body is stable and is not easy to tip over;

3. the inclination angle of the wheels can be properly adjusted, and the use is convenient;

4. whether to use the tilting function of the suspension can be selected autonomously.

Drawings

Fig. 1 is a schematic structural view of a first perspective view of a first embodiment, which is intended to show a top surface structure of an upper suspension;

fig. 2 is a structural diagram of a second perspective view of the first embodiment, which is intended to show the structure of the bottom surface of the upper suspension;

FIG. 3 is a schematic structural diagram according to a second embodiment;

FIG. 4 is a schematic structural diagram of the third embodiment;

FIG. 5 is a schematic view of a suspension link seat according to a third embodiment;

FIG. 6 is a schematic structural diagram of a connecting plate body according to a third embodiment;

fig. 7 is a schematic view of an overall installation structure in the third embodiment.

Reference numerals: 1. a lower suspension; 2. an upper suspension; 21. a suspension plate; 22. a side plate; 221. a first connection hole; 222. a second connection hole; 23. a lug; 24. connecting plates; 25. a limiting block; 251. a mounting seat; 252. a resisting block; 253. cushion blocks; 3. a suspension connecting plate; 31. a connecting plate body; 311. installing a shaft sleeve; 312. a first axle bore; 313. a reinforcement ring; 314. reinforcing ribs; 32. mounting a plate; 321. a second axle bore; 322. a brake spider bore; 323. a mudboard support hole; 4. a suspension connecting seat; 41. an upper shaft hole; 42. a lower shaft hole; 43. mounting holes; 44. a fixing hole; 45. a first lightening hole; 46. an upper locking hole; 47. a lower locking hole; 5. a second lightening hole; 6. a first locking hole; 7. a second locking hole; 8. a third connecting hole; 9. a fourth connection hole; 11. a wheel shaft; 12. a wheel; 13. a frame bottom fork; 14. a bottom fork mounting end.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

In one embodiment, an electric vehicle upper suspension comprises:

as shown in fig. 1 and 2, the upper suspension 2 of the upper suspension for an electric vehicle is integrally formed and has an arch structure, the upper suspension 2 includes a suspension plate 21, side plates 22 disposed at two sides of the suspension plate 21, and connecting plates 24 disposed at two ends of the suspension plate 21, two ends of the connecting plates 24 are respectively connected to the side plates 22, and an upper side of the connecting plates 24 is connected to the suspension plate 21. Wherein, the middle part of curb plate 22 bulges downwards and forms lug 23, is equipped with first connecting hole 221 on the lug 23, is located the below of first connecting hole 221 and is equipped with first locking hole 6. The side plate 22 is provided at both ends thereof with second coupling holes 222. The lower surface of hanger plate 21, the both sides that are located first connecting hole 221 place axis are equipped with stopper 25 respectively, and stopper 25 inclines towards first connecting hole 221 place axis direction. A plurality of second lightening holes 5 are uniformly distributed on the suspension plate 21.

Embodiment two, a suspension on electric motor car:

the difference between the second embodiment and the first embodiment is the structure of the limiting block 25.

As shown in fig. 3 of the suspension 2 on the electric vehicle, the limiting block 25 includes a mounting seat 251 disposed on a lower surface of the upper suspension 2, a resisting block 252 screwed to the mounting seat 251, and a cushion block 253 disposed between the mounting seat 251 and the resisting block 252, wherein the mounting seat 251 is inclined toward an axial direction of the first connection hole 221. The protruding degree of the stopper 25 can be adjusted by adjusting the thickness of the pad 253, so that the maximum rotation angle of the upper suspension 2 with respect to the suspension attachment seat 4 can be adjusted.

Embodiment three, an electric motor car suspension structure:

the suspension structure of the electric vehicle shown in fig. 4 comprises a lower suspension 1, a suspension connecting seat 4, an upper suspension 2 in the first embodiment or the second embodiment, and suspension connecting plates 3 symmetrically arranged on two sides of the upper suspension 2. The whole lower suspension 1 is of a straight structure, a third connecting hole 8 is formed in the middle of the lower suspension 1, and fourth connecting holes 9 are formed in the two ends of the lower suspension 1. A second locking hole 7 is provided above the third connecting hole 8. Here, the upper suspension 2, the lower suspension 1, and the two suspension link plates 3 constitute a parallelogram structure.

Referring to fig. 4 and 5, an upper shaft hole 41 is formed at the upper end of the suspension connecting seat 4, a lower shaft hole 42 is formed at the lower end of the suspension connecting seat 4, a mounting hole 43 is formed in the middle of the suspension connecting seat 4, and fixing holes 44 penetrating through the two side surfaces of the suspension connecting seat 4 are formed. The upper shaft hole 41 is adapted to be connected with the first connection hole 221 of the upper suspension 2, and the lower shaft hole 42 is adapted to be connected with the third connection hole 8 of the lower suspension 1.

Wherein, the fixed orifices 44 are arranged two side by side along the thickness direction of the suspension connecting seat 4, and the two fixed orifices 44 positioned at the two sides of the suspension connecting seat 4 are symmetrically arranged. Also, the fixing hole 44 is a counterbore. First lightening holes 45 are uniformly distributed on the suspension connecting seat 4. Under the condition of ensuring the overall structural strength of the suspension connecting seat 4, the weight of the suspension connecting seat is properly reduced.

Here, when the wheel on the suspension heels, go up suspension 2 and can take place to rotate for suspension connecting seat 4 relatively, when going up suspension 2 and suspension connecting seat 4 relative pivoted angle and reaching the certain degree, stopper 25 can support the side of suspension connecting seat 4, restricts it and continues to rotate to the biggest turned angle who has injectd the relative suspension connecting seat 4 of last suspension 2 effectively prevents that the wheel on the suspension from overturning to one side slope too big and lead to the car.

In addition, the suspension connecting seat 4 is further provided with an upper locking hole 46 and a lower locking hole 47, the upper locking hole 46 is positioned below the upper shaft hole 41, the lower locking hole 47 is positioned above the lower shaft hole 42, the upper locking hole 46 is used in cooperation with the first locking hole 6, and the lower locking hole 47 is used in cooperation with the second locking hole 7. Can lock through last locking hole 46 and go up suspension 2 and suspension connecting seat 4, lock suspension 1 and suspension connecting seat 4 down through lower locking hole 47, make its both sides wheel can not just bank, two kinds of mode confession options.

Referring to fig. 4 and 6, the suspension connecting plate 3 includes a connecting plate body 31 and a mounting plate 32, wherein mounting bosses 311 are disposed at upper and lower ends of the connecting plate body 31, the mounting bosses 311 at an upper end of the connecting plate body 31 are connected to the second connecting hole 222, and the mounting bosses 311 at a lower end of the connecting plate body 31 are connected to the fourth connecting hole 9. The middle of the connecting plate body 31 is provided with a first axle hole 312. The middle of mounting panel 32 is equipped with the second wheel axle hole 321 that corresponds with first wheel axle hole 312, and one side of mounting panel 32 is equipped with brake bracket hole 322, and the opposite side of mounting panel 32 is equipped with mud board support hole 323.

Wherein, on the connecting plate body 31, be located first shaft hole 312 and be equipped with beaded finish 313 all around, still be equipped with strengthening rib 314 on the connecting plate body 31, the one end of strengthening rib 314 is connected in installation axle sleeve 311, and the other end is connected in beaded finish 313, and installation axle sleeve 311, strengthening rib 314, beaded finish 313 are even as an organic whole, have improved the structural strength of connecting plate body 31 greatly.

Referring to fig. 7, the wheel 12 is mounted on the suspension link 3 via the wheel axle 11, wherein the mounting plate 32 and the link body 31 are fixed in series via the wheel axle 11, and the wheel axle 11 presses the mounting plate 32 against the link body 31 via a shoulder. The bottom fork mounting end 14 is arranged on the frame bottom fork 13, and the bottom fork mounting end 14 is inserted into the mounting hole 43 of the suspension frame connecting seat 4 to realize the fixation of the suspension frame structure of the electric vehicle on the frame. During the use, link together last suspension 2 and lower suspension 1 with suspension connecting seat 4 earlier, here, also install earlier other parts on the suspension and finish, then overlap mounting hole 43 at the chain stay installation end 14 of frame chain stay 13, make chain stay installation end 14 insert steadily in mounting hole 43, the bolt that the rethread runs through fixed orifices 44 is fixed chain stay installation end 14 and suspension connecting seat 4, can easily accomplish the installation of suspension on the frame.

This electric motor car suspension structure can select two kinds of modes by oneself, when using the locking round pin to insert in the locking hole, upper and lower suspension can not take place to deflect relatively suspension connecting seat 4 promptly to similar traditional tricycle structure. Under taking out the locking round pin state, when the electric motor car motion and take place to turn or cross the obstacle, upper and lower suspension can take place to deflect relative suspension connecting seat 4 to guarantee that the automobile body is steady.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. An upper suspension of an electric vehicle is characterized in that: the middle part of going up suspension (2) is equipped with first connecting hole (221), and the both ends of going up suspension (2) are equipped with second connecting hole (222), and the lower surface of going up suspension (2), the both sides that are located first connecting hole (221) place axis are equipped with stopper (25) respectively.

2. The suspension of claim 1, wherein: the limiting block (25) inclines towards the axis direction of the first connecting hole (221).

3. The suspension of claim 1, wherein: go up suspension (2) including suspension board (21), locate curb plate (22) of suspension board (21) both sides, first connecting hole (221) are located curb plate (22) middle part position, second connecting hole (222) are located curb plate (22) both ends, the bottom surface of suspension board (21) is located in stopper (25).

4. The suspension of claim 3, wherein: the middle part of the side plate (22) protrudes downwards to form a lug (23), and the second connecting hole (222) is positioned on the lug (23).

5. The suspension of claim 3, wherein: a connecting plate (24) is further arranged between the two side plates (22) at one end of the suspension plate (21), and the upper side face of the connecting plate (24) is connected with the suspension plate (21).

6. The suspension of claim 3, wherein: a plurality of lightening holes are uniformly distributed on the suspension plate (21).

7. The suspension of claim 3, wherein: the upper suspension (2) is integrally formed and is of an arch structure as a whole.

8. The suspension of claim 1, wherein: the limiting block (25) comprises an installation seat (251) arranged on the lower surface of the upper suspension (2), a resisting block (252) in threaded connection with the installation seat (251), and a cushion block (253) arranged between the installation seat (251) and the resisting block (252), wherein the installation seat (251) inclines towards the axis direction of the first connecting hole (221).

9. An electric vehicle suspension structure is characterized in that: the upper suspension (2) of the electric vehicle comprises a lower suspension (1), a suspension connecting plate (3), a suspension connecting seat (4) and the upper suspension (2) of the electric vehicle as claimed in any one of claims 1~8, wherein the upper end of the suspension connecting plate (3) is rotatably connected to the end of the upper suspension (2) through a second connecting hole (222), the lower end of the suspension connecting plate (3) is rotatably connected to the end of the lower suspension (1), the upper suspension (2), the lower suspension (1) and the two suspension connecting plates (3) form a quadrilateral structure, the upper end of the suspension connecting seat (4) is rotatably connected to the middle of the upper suspension (2) through a first connecting hole (221), and the lower end of the suspension connecting seat (4) is rotatably connected to the middle of the lower suspension (1).

10. The suspension structure of an electric vehicle according to claim 9, wherein: last suspension (2) are last to be equipped with first locking hole (6), first locking hole (6) are located the below of first connecting hole (221), be equipped with second locking hole (7) on lower suspension (1), be equipped with respectively on suspension connecting seat (4) with first locking hole (6) complex lock hole (46) on, with second locking hole (7) complex lock hole (47) down.