CN210912757U

CN210912757U - Safe type electric motor car frame

Info

Publication number: CN210912757U
Application number: CN201920177881.2U
Authority: CN
Inventors: 邹吉生
Original assignee: Tianjin Weifuda Technology Development Co ltd
Current assignee: Tianjin Weifuda Technology Development Co ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-07-03
Anticipated expiration: 2029-01-31

Abstract

The utility model discloses a safety electric vehicle frame, which belongs to the technical field of electric vehicle frames, and has the technical problems that a battery box frame of an electric vehicle is used for placing a battery, the electric vehicle frequently runs to uneven and flat positions on a road surface in the driving process of the electric vehicle, jolting of the electric vehicle easily causes shock impact on the battery, and the safety use of the battery is not facilitated; antidetonation layer both sides respectively with the integrative rigid coupling of supporting layer and antidetonation layer, the supporting layer is connected with battery box frame diapire, reaches to reduce the vibration impact that the driving jolted to cause the battery, improves the effect of battery safety in utilization.

Description

Safe type electric motor car frame

Technical Field

The utility model relates to an electric motor car frame field, in particular to safe type electric motor car frame.

Background

The electric motor car, also known as the electricity drive car, the electric motor car itself has the whole components of bicycle, through the battery as energy source, converts the electric energy into mechanical energy through parts such as controller, motor and makes the automatic advancing of electric motor car, replaces the pedal motion of riding passerby, convenient to use, labour saving and time saving accords with the green trip theory of modernization simultaneously, has the market prospect of widely.

The frame of electric motor car provides the support for the whole of electric motor car, is the important component of electric motor car, and current chinese patent that can refer to publication number for CN204979051U discloses a shock attenuation formula electric motor car frame, including the battery box frame, the both sides at the top of battery box frame are provided with girder pipe and seat beam pipe respectively, are provided with the head pipe on the girder pipe, are provided with the back frame on the seat beam pipe, and the top of back frame is provided with seat package extension board.

The above prior art solutions have the following drawbacks: the battery box frame of electric motor car is used for settling the battery, and the electric motor car driving in-process often traveles to road surface unevenness department, and jolting of electric motor car causes the shock to the battery easily, is unfavorable for the safe handling of battery.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a safe type electric vehicle frame reaches and reduces the vibration impact that the driving jolted to cause the battery, improves the effect of battery safety in utilization.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a safety electric vehicle frame comprises a battery box frame, wherein an anti-seismic cushion is arranged on the bottom wall of the battery box frame and is divided into a supporting layer, an anti-seismic layer and a bearing layer in the vertical direction, the anti-seismic layer comprises anti-seismic air bags, and the anti-seismic air bags are integrally arranged in a water wave shape; the two sides of the anti-seismic layer are fixedly connected with the supporting layer and the anti-seismic layer integrally, and the supporting layer is connected with the bottom wall of the battery box frame.

Through adopting above-mentioned technical scheme, when vibrations appear in the electric motor car, supporting layer and bearer layer provide stable loading face to the battery to provide comparatively stable holding power to the antidetonation layer. The battery box frame bottom wall is fixedly connected with the anti-vibration pad, so that the battery is prevented from being in rigid contact with the battery box frame bottom wall, and when the anti-vibration pad is vibrated, the anti-vibration air bag in the anti-vibration pad is bent, so that elastic deformation for absorbing vibration is provided for the battery, and the occurrence of the situation that the electric vehicle is broken in the running process is reduced; and because the anti-seismic air bag is arranged in a water wave shape, the anti-seismic air bag has better elasticity, the anti-seismic capacity of an anti-seismic layer is further improved, the using effect of the anti-seismic cushion is further improved, the shock impact on the battery caused by bumping during driving is reduced, and the using safety of the battery is improved.

The utility model discloses further set up to, be provided with a plurality of antidetonation pillar in the antidetonation gasbag, the axis perpendicular to antidetonation layer of antidetonation pillar all overlaps on every antidetonation pillar's the circumference outer wall and is equipped with antidetonation elastic component.

By adopting the technical scheme, the arranged anti-seismic support can synchronously generate elastic deformation along with the anti-seismic air bag when the anti-seismic air bag generates elastic deformation, so that the anti-seismic strength of the anti-seismic air bag is improved, and the anti-seismic air bag is prevented from being broken in the using process; after the anti-seismic elastic piece is sleeved on the circumferential outer wall of the anti-seismic strut, the anti-seismic strut can be restrained on the one hand, so that the anti-seismic strut has stronger anti-seismic capacity, and on the other hand, the anti-seismic elastic piece can buffer impact through elastic deformation, so that the anti-seismic effect of an anti-seismic layer is further improved.

The utility model discloses further set up to, the battery box frame is provided with the supplementary damper assembly of a plurality of, and the supplementary damper assembly of a plurality of is along the even array of battery box frame top profile.

Through adopting above-mentioned technical scheme, the supplementary damper of a plurality of that sets up can prevent to appear rigid contact between the lateral wall of battery box frame and the battery to further reaching reduces the vibration impact that the driving jolted caused to the battery, improves the effect of battery safety in utilization.

The utility model discloses further set up to, every supplementary shock attenuation includes battery box holder top end fixed connection's accessory plate, and the damping hole has been seted up to the accessory plate, and sliding connection has the shock attenuation post in the shock attenuation hole, and the inside end fixedly connected with shock attenuation elastic component of battery box holder is kept away from to the shock attenuation post, and the position fixedly connected with backup pad of shock attenuation post is kept away from to the shock attenuation elastic component, and the side fixed connection of battery box holder is kept away from to backup pad and accessory plate.

Through adopting above-mentioned technical scheme, put into battery box frame back at the battery, the shock attenuation elastic component is compressed, and the lateral wall butt of shock attenuation post and battery when vibrations appear in the battery, the shock attenuation elastic component can cushion the vibrations that the battery received to further reaching reduces the vibration impact that the driving jolted caused to the battery, improves the effect of battery safety in utilization.

The utility model discloses further set up to, the bearer layer chooses for use the bearer layer that the felt material was made, and the bearer layer is provided with and increases the subassembly that rubs.

By adopting the technical scheme, on one hand, the felt material used for the bearing layer is soft in surface, so that when the bearing layer is in contact with the battery, the bearing layer can reduce the impact on the battery, and the battery is protected; on the other hand, the surface of the bearing layer made of the felt is rough, so that the friction force between the battery and the felt is improved, the sliding between the battery and the bearing layer is prevented, and the use stability of the bearing layer is improved.

The utility model is further provided with that the friction increasing component comprises a friction increasing groove which presents water wave shape; the friction increasing groove is filled with elastic friction increasing strips, and the top ends of the elastic friction increasing strips extend out of the friction increasing groove.

By adopting the technical scheme, after the battery is placed on the bearing layer, the elastic friction-increasing strip is elastically deformed, so that the contact area between the elastic friction-increasing strip and the battery is increased, and the friction force between the elastic friction-increasing strip and the battery is increased; secondly, the roughness of the contact surface between the battery and the bearing layer is further increased by the arranged friction increasing strips, and the friction force between the bearing layer and the battery is further increased, so that the use stability of the bearing layer is further improved.

The utility model discloses further set up to, the antidetonation elastic component is the spring.

By adopting the technical scheme, the spring material can be elastically deformed in time when being vibrated, and has a sensitive reaction effect, so that the use effect of the anti-seismic elastic part can be improved; secondly, the material obtaining range of the spring is wider, so that the manufacturing cost of the anti-seismic elastic part can be reduced, and the cost performance of the anti-seismic elastic part is improved.

To sum up, the utility model discloses following beneficial effect has:

1. the shock-proof cushion achieves the effects of reducing the shock impact on the battery caused by bumping during driving and improving the use safety of the battery;

2. the friction-increasing component is matched with the auxiliary damping component to further lock the relative position between the battery and the battery box frame, so that the battery is prevented from bumping in the battery box frame, the shock impact caused by bumping during driving on the battery is reduced, and the use safety of the battery is improved.

Drawings

FIG. 1 is a schematic structural view of a safety electric vehicle frame;

FIG. 2 is a schematic view showing the structure of the friction increasing assembly;

FIG. 3 is a schematic view showing the structure of an earthquake-resistant layer;

fig. 4 is a schematic structural view for showing an auxiliary anti-seismic assembly.

In the figure, 1, a battery box frame; 11. a main beam pipe; 12. a seat beam tube; 13. a rear frame; 2. an anti-seismic pad; 21. a support layer; 22. an anti-seismic layer; 221. an anti-seismic strut; 23. a carrier layer; 231. a friction increasing component; 2311. a friction increasing groove; 2312. elastic friction increasing strips; 3. an auxiliary shock absorbing assembly; 31. an auxiliary plate; 32. a shock-absorbing post; 33. a shock-absorbing elastic member; 34. and a support plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A safety electric vehicle frame comprises a battery box frame 1, wherein a main beam tube 11 and a seat beam tube 12 are respectively arranged on two sides of the top of the battery box frame 1, a head tube is arranged on the main beam tube 11, a rear vehicle frame 13 is arranged on the seat beam tube 12, and a seat wrapping support plate is arranged on the top of the rear vehicle frame 13.

As shown in fig. 1 and 2, an anti-vibration pad 2 is arranged on the bottom wall inside the battery box frame 1, and the anti-vibration pad 2 is completely attached to the bottom wall of the battery box frame 1; antidetonation pad 2 is divided into supporting layer 21 with the vertical direction, antidetonation layer 22 and bearer layer 23, supporting layer 21 and the inside diapire fixed connection of battery box frame 1, antidetonation layer 22 is located the supporting layer 21 top, the fixed connection of supporting layer 21 felt material's bearer layer 23 is kept away from to antidetonation layer 22 is provided with and increases subassembly 231 that rubs on one side that the antidetonation layer 22 was kept away from to the bearer layer 23, increase subassembly 231 that rubs including increasing groove 2311 that rubs, increase the elasticity that the groove 2311 that rubs is filled with the silica gel material and makes and increase the strip 2312, it increases the groove 2311 that rubs to extend to.

As shown in fig. 3, the earthquake-resistant layer 22 includes an earthquake-resistant air bag made of rubber, the earthquake-resistant air bag is integrally arranged in a wave shape, a plurality of cylindrical earthquake-resistant pillars 221 are arranged in the earthquake-resistant air bag, the axis of each earthquake-resistant pillar 221 is perpendicular to the earthquake-resistant layer 22, and the end of each earthquake-resistant pillar 221 is fixedly connected with the inner wall of the earthquake-resistant air bag; an anti-seismic elastic piece is sleeved on the circumferential outer wall of each anti-seismic strut 221, and the anti-seismic elastic piece is a spring; two ends of the anti-seismic elastic piece are fixedly connected to the inner wall of the anti-seismic air bag.

As shown in fig. 1 and 4, the battery box frame 1 is provided with a plurality of auxiliary shock-absorbing assemblies 3, and the plurality of auxiliary shock-absorbing assemblies 3 are uniformly arrayed along the contour of the surface of the top end of the battery box frame 1 facing the ground; every supplementary damper assembly 3 all includes battery box frame 1 fixed connection's rectangular accessory plate 31, the shock attenuation hole that link up is seted up towards the side of battery box frame 1 to accessory plate 31, sliding connection has shock attenuation post 32 in the shock attenuation hole, the inside end fixedly connected with shock attenuation elastic component 33 of battery box frame 1 is kept away from to shock attenuation post 32, the position fixedly connected with backup pad 34 of shock attenuation post 32 is kept away from to shock attenuation elastic component 33, the side fixed connection of battery box frame 1 is kept away from to backup pad 34 and accessory plate 31, when the battery was put into battery box frame 1, the side extrusion shock attenuation post 32 of battery, elastic deformation takes place for shock attenuation elastic component 33.

The utility model discloses an implement the principle and do: when the electric vehicle bumps in the driving process, the whole anti-seismic air bag in the anti-seismic cushion 2 bends, the anti-seismic support column 221 and the anti-seismic elastic part in the anti-seismic air bag elastically deform to absorb the shock caused by bumping, so that the shock on the battery is reduced, meanwhile, the friction force between the battery and the bearing surface is improved by the friction increasing strips on the bearing layer 23, and the battery is prevented from sliding under the bumping condition to further damage the battery; the relative position between the cell and the carrier layer 23 remains fixed. The auxiliary damping component 3 provided in the battery box frame 1 absorbs the vibration of the battery in the horizontal direction due to the bumping, and restrains the position of the battery. In conclusion, through the steps, the effects of reducing the shock impact on the battery caused by the bumping during driving and improving the use safety of the battery are achieved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a safe type electric motor car frame, includes battery box frame (1), its characterized in that: the battery box frame is characterized in that an anti-seismic pad (2) is arranged on the bottom wall of the battery box frame (1), the anti-seismic pad (2) is divided into a supporting layer (21), an anti-seismic layer (22) and a bearing layer (23) in the vertical direction, the anti-seismic layer (22) comprises anti-seismic air bags, the whole anti-seismic air bags are arranged in a water wave shape, a plurality of anti-seismic supporting columns (221) are arranged in the anti-seismic air bags, the axes of the anti-seismic supporting columns (221) are perpendicular to the anti-seismic layer (22), and anti-seismic elastic pieces are; the two sides of the anti-seismic layer (22) are fixedly connected with the supporting layer (21) and the anti-seismic layer (22) integrally, and the supporting layer (21) is connected with the bottom wall of the battery box frame (1).

2. The safety electric vehicle frame according to claim 1, characterized in that: the battery box frame (1) is provided with a plurality of auxiliary shock absorption components (3), and the plurality of auxiliary shock absorption components (3) are uniformly arrayed along the top end profile of the battery box frame (1).

3. The safety electric vehicle frame according to claim 2, characterized in that: every supplementary damper assembly (3) all include battery box frame (1) top fixed connection's accessory plate (31), and the shock attenuation hole has been seted up in accessory plate (31), and sliding connection has shock attenuation post (32) in the shock attenuation hole, and the terminal fixedly connected with shock attenuation elastic component (33) of battery box frame (1) inside is kept away from in shock attenuation post (32), and the position fixedly connected with backup pad (34) of shock attenuation post (32) are kept away from in shock attenuation elastic component (33), and the side fixed connection of battery box frame (1) is kept away from in backup pad (34) and accessory plate (31).

4. The safety electric vehicle frame according to claim 1, characterized in that: the bearing layer (23) is made of felt materials, and the friction increasing assembly (231) is arranged on the bearing layer (23).

5. The safety electric vehicle frame according to claim 4, characterized in that: the friction increasing assembly (231) comprises friction increasing grooves (2311), and the friction increasing grooves (2311) are water wave-shaped; the friction increasing groove (2311) is filled with an elastic friction increasing strip (2312), and the top end of the elastic friction increasing strip (2312) extends out of the friction increasing groove (2311).

6. The safety electric vehicle frame according to claim 1, characterized in that: the anti-seismic elastic piece is a spring.