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CN-121990053-A - Novel stock solution formula buffering chassis of new energy vehicle

CN121990053ACN 121990053 ACN121990053 ACN 121990053ACN-121990053-A

Abstract

The invention discloses a novel liquid storage type buffer chassis of a new energy vehicle, which comprises a chassis frame body, wherein a battery pack installation cavity is formed in the middle of the chassis frame body, a bottom plate installation frame is arranged at the top of the battery Bao An installation cavity, a first reinforcing cavity column is fixedly arranged on the inner side of one end of the chassis frame body, a second reinforcing cavity column is fixedly arranged on the inner side of the other end of the chassis frame body, an upper supporting plate frame is arranged in the middle of the bottom surface of the chassis frame body in an embedded mode through a groove, and the impact force of liquid flow is damped and buffered, so that the impact force is buffered in a damping position, the impact force on the battery pack on the inner side of the top battery pack installation cavity is reduced, the protection force is increased, the safety is indirectly increased, and the safety risk during collision and scraping is reduced by utilizing the buffer effect of the liquid storage type buffer.

Inventors

  • ZHU JIJUN
  • PAN YUNPENG
  • MA ZHENGFENG

Assignees

  • 广东浩源智造科技有限公司

Dates

Publication Date
20260508
Application Date
20260320

Claims (10)

  1. 1. The novel liquid storage type buffer chassis for the new energy vehicle comprises a chassis frame body (1) and is characterized in that a battery pack installation cavity (6) is arranged in the middle of the chassis frame body (1), a bottom plate installation frame (7) is arranged at the top of the battery pack installation cavity (6), a reinforcing cavity column I (2) is fixedly arranged at the inner side of one end of the chassis frame body (1), a reinforcing cavity column II (5) is fixedly arranged at the inner side of the other end of the chassis frame body (1), an upper supporting plate frame (10) is arranged in the middle of the bottom surface of the chassis frame body (1) in an embedded mode through a groove, a bottom composite plate (16) is movably sleeved at the inner side of the bottom end of the upper supporting plate frame (10), side separators (27) are fixedly arranged at two sides of the top of the bottom composite plate (16), two separators II (13) are fixedly arranged at the top of the two ends of the bottom composite plate (16), a flexible deformation body II (14) are fixedly arranged at the top of the two separators II (13) and the top of the side separators (27), a plurality of flexible deformation bodies (11) are fixedly arranged at the top of the bottom composite plate (16), a plurality of the two honeycomb ribs (13) are fixedly arranged at the bottom of the bottom composite plate (16), the bottom of the honeycomb reinforcing rib (15) is fixedly provided with a bottom protection plate (8), two sides of the bottom protection plate (8) are movably spliced with a plurality of fixing bolts (9), an ingress pipe (3) is fixedly sleeved on the inner side of a first reinforcing cavity column (2), a one-way valve (301) is communicated with the outer end of the ingress pipe (3), one side of the inner side of the first reinforcing cavity column (2) is communicated with an eduction tube (4), the outer side of the eduction tube (4) is communicated with a second one-way valve (402), the outer side of the second one-way valve (402) is communicated with an electric control type impact protection valve (401), the bottom of an inner cavity of the second reinforcing cavity column (5) is communicated with a guide pipe (17), a sealing piston (18) is movably sleeved on the inner side of one end of the first reinforcing cavity column (2) and the second reinforcing cavity column (5), a buffer spring (19) is fixedly arranged on one end of the sealing piston (18), a connecting conduit (20) is arranged in the inner side of the other end of the first reinforcing cavity column (2) and the second reinforcing cavity column (5), a sealing piston ring (25) is fixedly sleeved on the outer side of the sealing piston (25), the outside at connecting pipe (20) both ends has all fixedly cup jointed fretwork support (21), one end fixed mounting that buffer spring two (26) were kept away from to sealing piston ring one (25) has spliced pole (22), the other end fixed mounting of spliced pole (22) has baffle ring (23), guiding gutter (24) have been seted up to the inside of baffle ring (23).
  2. 2. The novel liquid storage type buffer chassis for the new energy vehicle, as claimed in claim 1, is characterized in that the bottom plate mounting frame (7) is fixedly connected with the top of the chassis frame body (1) through a vehicle assembling process, and the upper supporting plate frame (10) is positioned at the bottom of the battery pack mounting cavity (6).
  3. 3. The novel liquid storage type buffer chassis for the new energy vehicle, as claimed in claim 1, wherein two ends of the two second partition boards (13) are fixedly arranged on opposite sides of the side partition boards (27), the top of the second flexible deformation body (14) is fixedly arranged on the top of the inner cavity of the upper support board frame (10), and the top of the first flexible deformation body (12) is fixedly arranged on the top of the inner cavity of the upper support board frame (10).
  4. 4. The novel liquid storage type buffer chassis for the new energy vehicle, as claimed in claim 1, wherein the first baffle plate (11) is linearly and uniformly distributed on the top of the bottom composite plate (16), the first baffle plate (11) is positioned on the opposite sides of the side baffle plate (27) and the second baffle plate (13), the flow guide holes (1301) are linearly and uniformly distributed in the second baffle plate (13), and the positions of the flow guide holes (1301) correspond to the positions of the first baffle plate (11).
  5. 5. The novel liquid storage type buffer chassis for the new energy vehicle, as claimed in claim 1, is characterized in that the honeycomb reinforcing ribs (15) are linearly and uniformly distributed on opposite sides of the bottom composite plate (16) and the bottom protection plate (8), and a polyurea elastomer coating is arranged at the bottom of the bottom protection plate (8).
  6. 6. The novel liquid storage type buffer chassis for the new energy vehicle, as claimed in claim 1, is characterized in that the fixing bolts (9) are linearly and uniformly distributed on two sides of the bottom protection plate (8), and the fixing bolts (9) movably penetrate through the bottom composite plate (16) and the upper support plate frame (10) and extend to the inside of the chassis frame body (1) in a threaded manner.
  7. 7. The novel liquid storage type buffer chassis for the new energy vehicle, as claimed in claim 1, is characterized in that the ingress pipe (3) is fixedly penetrated through the reinforced cavity column I (2) and extends to the inner side of the upper supporting plate frame (10), the bottom end of the ingress pipe (3) is communicated with the middle part of the opposite side of the partition plate II (13), and the bottom end of the ingress pipe (17) is communicated with the middle part of the opposite side of the partition plate II (13).
  8. 8. The novel liquid storage type buffer chassis for the new energy vehicle, as claimed in claim 1, is characterized in that one end, far away from the first sealing piston (18), of the buffer spring (19) is fixedly installed on the inner wall of the first reinforced cavity column (2) and the second reinforced cavity column (5) respectively, the inner side of the first sealing piston ring (25) is in sealing sleeve connection with the outer side of the connecting conduit (20), the outer side of the first sealing piston ring (25) is in sealing sleeve connection with the inner cavity walls of the first reinforced cavity column (2) and the second reinforced cavity column (5) respectively, and one end, far away from the first sealing piston ring (25), of the buffer spring (26) is fixedly installed on the inner wall of the first reinforced cavity column (2) and the second reinforced cavity column (5) respectively.
  9. 9. The novel liquid storage type buffer chassis for the new energy vehicle, as claimed in claim 1, wherein the connecting conduit (20) is in a U shape, the middle part of the connecting conduit penetrates through the side beam of the chassis frame body (1), two ends of the connecting conduit are respectively positioned in the first reinforced cavity column (2) and the second reinforced cavity column (5), and the hollowed-out support (21) is respectively fixedly arranged in the first reinforced cavity column (2) and the second reinforced cavity column (5).
  10. 10. The novel liquid storage type buffer chassis for the new energy vehicle, as claimed in claim 1, is characterized in that the connecting column (22) is movably sleeved and penetrates through the hollow support (21), the baffle ring (23) is movably attached to the inner wall of the first reinforced cavity column (2), the number of the connecting column (22) and the baffle ring (23) is one, the position of the guide groove (24) corresponds to that of the guide pipe (4), the specification size of the guide groove (24) is larger than that of the guide pipe (4), and working medium liquid is arranged in the first reinforced cavity column (2) and the second reinforced cavity column (5).

Description

Novel stock solution formula buffering chassis of new energy vehicle Technical Field The invention relates to the technical field of manufacturing of new energy vehicle chassis, in particular to a novel liquid storage type buffer chassis of a new energy vehicle. Background The new energy vehicle chassis is an integrated structure which uses a battery pack as a core to carry out exclusive design, is matched with battery integration technologies such as CTP/CTB/CTC and the like, has flat overall layout and lower center of gravity, adopts aluminum alloy materials to construct a core bearing structure in mass production main stream, combines protection and light weight by high-end vehicle-mounted collocation with thermal forming steel or metal composite boards, adopts a three-layer protection system of 'anti-puncture and anti-corrosion of a battery pack lower box/protection Liang Yingcheng force + anti-polyurea bulletproof coating + buffering and energy absorption of PU rubber/EPDM/TPU flexible materials', simultaneously optimizes and disperses impact load through reinforcing ribs, honeycomb structures and the like, is matched with the working condition requirements of vehicle-mounted wide temperature, salt fog resistance and vibration resistance, and is a core carrier which takes account of whole vehicle endurance, running safety and control stability by hanging a plurality of front McPhe+rear connecting rod configuration. The new energy vehicle chassis is one of important component parts of the new energy vehicle, the battery pack of the new energy vehicle is positioned in the middle of the vehicle chassis, the function of energy supply is born, and the battery pack is limited by the existing battery pack integration technology, and safety discharge accidents are easy to occur after the battery pack collides or scrapes, for example, the new energy chassis adopting the CTB integration technology optimizes the integrated support of the original chassis into a battery pack integrated bearing structure, adopts rigid protection for the battery pack integration, such as the application of a bulletproof coating to increase the protection strength, but the damage probability of the battery pack is still higher when the battery pack is impacted, more influence is produced on the safety, the protection capability of the bottom is slightly insufficient, so that a certain defect is generated, and the new energy vehicle novel liquid storage type buffer chassis is provided based on the safety. Disclosure of Invention The invention aims to provide a novel liquid storage type buffer chassis for a new energy vehicle, so as to solve the problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a novel stock solution formula buffering chassis of new forms of energy vehicle, includes chassis frame body, chassis frame body's middle part is provided with battery package installation cavity, battery Bao An installation cavity's top is provided with the bottom plate mounting bracket, chassis frame body's one end inboard fixed mounting has the first reinforcing cavity post, chassis frame body's the inboard fixed mounting of the other end has the second reinforcing cavity post, chassis frame body bottom surface's middle part is provided with the upper bracket frame through the recess embedding, the inboard activity of upper bracket frame bottom has cup jointed the end composite sheet, the both sides at end composite sheet top all fixed mounting have the limit baffle, the top at end composite sheet both ends all fixed mounting has two baffles two second, two baffle two and the top of limit baffle all fixed mounting have flexible deformation body second, the top fixed mounting of end composite sheet has a plurality of baffles first, the top fixed mounting of baffle first has flexible deformation body first, two baffle two opposite one has seted up a plurality of guide holes, the bottom fixed mounting has a plurality of honeycomb strengthening ribs, the bottom fixed mounting of honeycomb strengthening rib has the bottom guide plate, the bottom guide pipe has the first guide pipe, the guide valve has the inside of the guide valve has the first guide valve, the guide valve has the inside of the guide valve has the guide valve, the outside of the first guide valve is connected, the outside of the guide valve has the inside of the guide valve, the first guide valve is connected, the outside of the guide valve has the guide valve is connected, the outside of the guide valve has, the inner sides of the first reinforcing cavity column and the second reinforcing cavity column are movably sleeved with a first sealing piston, one end of the first sealing piston is fixedly provided with a first buffer spring, the inside of the first reinforcing cavity column and the inside of the second reinforcing cavity column are respectively provided