Lightweight composite material reinforcer for column B of new energy automobile

Abstract

The utility model discloses a lightweight composite material reinforcer for a column B of a new energy automobile, and relates to the field of automobile body structures. The new energy automobile B column lightweight composite material reinforcer comprises an anti-collision plate and a supporting frame, the supporting frame is fixedly installed on the inner wall of the anti-collision plate, a cavity is formed in the supporting frame, a storage bag is arranged in the cavity, non-Newtonian fluid is contained in the storage bag, a protective plate is fixedly installed on the surface of the anti-collision plate, and the protective plate is fixedly installed on the surface of the anti-collision plate. Reinforcing ribs are fixedly installed at the bottom of the protection plate, penetrate through the anti-collision plate and extend into the cavity, the bottoms of the reinforcing ribs make contact with the storage bag, when the protection plate is impacted, the reinforcing ribs are impacted and crumpled, the crumpled reinforcing ribs impact the storage bag, filler in the storage bag is instantly solidified, and high resistance is achieved. Part of impact force can be resisted, and the situation that the personal safety of passengers in the automobile is affected by splashing of fragments generated by excessive deformation of the anti-collision plate during collision is avoided.

Description

Technical Field

[0001] The utility model relates to the field of automobile body structures, and particularly to a lightweight composite material reinforcement for the B-pillar of a new energy vehicle. Background Technique

[0002] The B-pillar not only supports the roof of the vehicle, but also ensures the rigidity and stability of the vehicle body, provides a stable installation foundation for the doors and windows. When a vehicle undergoes a side collision, the B-pillar can withstand a huge impact force and effectively absorb and disperse the impact force, thereby reducing the harm to the passengers inside the vehicle.

[0003] The utility model patent with the patent announcement number CN219237176U discloses an automobile B-pillar guard plate, which includes a B-pillar guard plate body; a plurality of hanging rings are arranged at the upper end of one side of the B-pillar guard plate body facing the automobile B-pillar, and the hanging rings are used to be hung into corresponding hooks arranged on the automobile B-pillar; a plurality of buckles are arranged at the lower end of one side of the B-pillar guard plate body facing the automobile B-pillar, and the buckles are used to cooperate with corresponding buckle seats arranged on the automobile B-pillar; a first bolt hole is arranged in the middle of the B-pillar guard plate body, and the first bolt hole is used to cooperate with a second bolt hole opened on the automobile B-pillar. By sequentially screwing a positioning bolt into the first bolt hole and the second bolt hole, the B-pillar guard plate body is fixedly connected to the automobile B-pillar.

[0004] In the above-mentioned utility model patent, the connection method of connecting the upper part of the automobile B-pillar guard plate and the automobile B-pillar by using hooks and hanging rings, the lower part by using buckles, and the middle part by using connecting bolts has greater connection strength and stronger connection reliability. However, when the B-pillar is impacted by the outside world, it will deform and even break, and the broken fragments will fly into the vehicle, causing harm to the passengers inside the vehicle. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a lightweight composite material reinforcement for the B-pillar of a new energy vehicle, which solves the problems put forward in the above background technique.

[0006] To achieve the above objectives, the utility model is realized through the following technical solutions: A lightweight composite material reinforcement for the B-pillar of a new energy vehicle includes a collision prevention plate and a support frame. The support frame is fixedly installed on the inner wall of the collision prevention plate. A cavity is provided inside the support frame, and a storage bag is arranged in the cavity. The storage bag is filled with non-Newtonian fluid. A guard plate is fixedly installed on the surface of the collision prevention plate. A reinforcing rib is fixedly installed at the bottom of the guard plate. The reinforcing rib penetrates through the collision prevention plate and extends into the cavity. The bottom of the reinforcing rib contacts the storage bag. When the guard plate is impacted, the reinforcing rib is impacted and collapses. After collapse, the reinforcing rib impacts the storage bag, causing the filler in the storage bag to solidify instantly and have strong resistance.

[0007] Preferably, the support frame is arranged in the shape of a triangular prism, and the two perpendicular faces are attached to the inner edge of the anti-collision plate. The guard plate is arranged in an L shape and is attached to the outer edge of the guard plate. The support frame is arranged in the shape of a triangular prism, and the cross-section of the side is triangular, which has strong stability and support and can resist part of the impact force.

[0008] Preferably, the non-Newtonian fluid filled in the storage bag is a polysiloxane shear-hardening gel, which has strong resistance when receiving external impact. The shear-hardening gel will instantly harden when receiving severe impact or contact, and its mechanical properties are significantly enhanced, generating strong resistance, and turning into a fluid again after the impact disappears.

[0009] Preferably, the surface of the anti-collision plate is provided with protrusions, and screw holes are opened on the surface of the protrusions. Fixing screws are arranged at the screw holes. Slots are opened on the anti-collision plate near the fixing screws. A pair of calipers are rotatably installed at the slots. A pressing plate is slidably installed on the inner wall of the support frame. The pressing plate penetrates through the support frame and a trapezoidal block is fixedly installed at the bottom. Both sides of the trapezoidal block are inclined planes and are in contact with the inner wall of the caliper. An elastic member is arranged between the pressing plate and the support frame. When receiving impact, the caliper will lock the fixing screw to prevent the fixing screw from shaking. When the impact disappears or during daily maintenance and installation, since the non-Newtonian fluid in the storage bag does not receive an instantaneous contact force, the caliper will not be locked, facilitating the disassembly and installation of the fixing screw.

[0010] Preferably, the shape of the caliper matches the head part of the fixing screw. When the caliper is locked, the inner wall of the caliper tightly fits the edges of the head of the fixing screw to achieve the effect of clamping the fixing screw tightly.

[0011] Preferably, the position of the pressing plate in the cavity is between the storage bag and the support frame and is attached to the inner wall of the support frame. When the storage bag instantly hardens, it will tightly press the pressing plate, making the pressing plate immovable.

[0012] The utility model provides a lightweight composite material reinforcement for the B-pillar of a new energy vehicle. It has the following beneficial effects:

[0013] (1) When the B-pillar of the vehicle is impacted by the outside world, the impact force causes the guard plate to shift. The shifted guard plate causes the reinforcing rib to collapse and squeeze the storage bag. The non-Newtonian fluid in the storage bag instantly hardens when being squeezed, making the storage bag have strong support to resist the extrusion from the reinforcing rib, preventing the guard plate from continuing to shift and causing deformation of the anti-collision plate. At the same time, the triangular support frame also has high stability and can resist part of the impact force, avoiding excessive deformation of the anti-collision plate when being impacted and generating flying fragments, which may affect the personal safety of the passengers in the vehicle.

[0014] (2) When the lightweight composite reinforcement of the B-pillar of the new energy vehicle is impacted, the reservoir hardens instantly, compresses the pressure plate so that it cannot slide, and the fixed pressure plate makes the trapezoidal block tightly press against the caliper. The caliper locks the fixing screw to prevent the fixing screw from shaking, thus avoiding the fixing screw shaking when impacted and reducing the stability of the anti-collision plate. When the impact disappears, the filling in the reservoir turns into fluid again, and the caliper becomes movable at this time. The staff can remove the screws to check the internal condition of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the position structure of the storage bag and the support frame of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the caliper and the fixing screw positions of the utility model;

[0018] Figure 4 This is a schematic diagram of the position structure of the reinforcing ribs and the support frame of the utility model.

[0019] In the figure: 1, anti-collision plate; 2, support frame; 21, cavity; 3, fixing screw; 4, storage bag; 5, guard plate; 6, reinforcing rib; 7, caliper; 8, trapezoidal block; 9, pressure plate; 10, slot; 11, protrusion. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 - 4 The utility model provides a technical solution: a lightweight composite material reinforcement for the B-pillar of a new energy vehicle, comprising an anti-collision plate 1 and a support frame 2, the support frame 2 is fixedly installed on the inner wall of the anti-collision plate 1, a cavity 21 is opened inside the support frame 2, a storage capsule 4 is arranged in the cavity 21, and a non-Newtonian fluid is filled in the storage capsule 4, a guard plate 5 is fixedly installed on the surface of the anti-collision plate 1, a reinforcing rib 6 is fixedly installed on the bottom of the guard plate 5, the reinforcing rib 6 penetrates the anti-collision plate 1 and extends into the cavity 21, the bottom of the reinforcing rib 6 contacts with the storage capsule 4, when the guard plate 5 is impacted, the reinforcing rib 6 is impacted and collapsed, and the collapsed reinforcing rib 6 impacts the storage capsule 4 so that the filler in the storage capsule 4 is instantly solidified and has strong resistance.

[0022] The support frame 2 is arranged in a triangular prism shape, and two perpendicular surfaces thereof are attached to the inner edge of the anti-collision plate 1. The protection plate 5 is arranged in an L shape and is attached to the outer edge of the protection plate 5. The support frame 2 is arranged in a triangular prism shape, and the side cross-section is triangular, having strong stability and support, and being able to resist part of the impact force.

[0023] The non-Newtonian fluid filled in the storage bladder 4 is a polysiloxane shear-hardening gel, which has strong resistance when receiving an external impact. The shear-hardening gel will instantaneously harden when receiving a severe impact or contact, and its mechanical properties are significantly enhanced, generating strong resistance, and turning back into a fluid after the impact disappears.

[0024] Protrusions 11 are arranged on the surface of the anti-collision plate 1, and screw holes are provided on the surfaces of the protrusions 11. Fixing screws 3 are arranged at the screw holes. Slots 10 are provided on the surface of the anti-collision plate 1 near the fixing screws 3. A pair of calipers 7 are rotatably installed at the slots 10. A pressing plate 9 is slidably installed on the inner wall of the support frame 2. The pressing plate 9 penetrates through the support frame 2 and a trapezoidal block 8 is fixedly installed at the bottom. Both sides of the trapezoidal block 8 are provided with inclined surfaces and are in contact with the inner wall of the caliper 7. An elastic member is arranged between the pressing plate 9 and the support frame 2. When receiving an impact, the caliper 7 will lock the fixing screw 3 to prevent the fixing screw 3 from shaking. When the impact disappears or during daily maintenance and installation, since the non-Newtonian fluid in the storage bladder 4 does not receive an instantaneous contact force, the caliper 7 will not be locked, facilitating the disassembly and installation of the fixing screw 3.

[0025] The shape of the caliper 7 matches the head part of the fixing screw 3. When the caliper 7 is locked, the inner wall of the caliper 7 tightly fits with the edges of the head of the fixing screw 3 to achieve the effect of clamping the fixing screw 3 tightly.

[0026] The position of the pressing plate 9 in the cavity 21 is between the storage bladder 4 and the support frame 2 and is attached to the inner wall of the support frame 2. When the storage bladder 4 instantaneously hardens, it will tightly press the pressing plate 9, making the pressing plate 9 unable to move.

[0027] Install the anti-collision plate 1 and its components into the B-pillar of the vehicle. Align the fixing screws 3 at the protrusions 11 with the installation hole positions on the surface of the B-pillar, and tighten the fixing screws 3 to complete the installation of the anti-collision plate 1.

[0028] When the B-pillar part of the vehicle is impacted, the protection plate 5 is displaced by a huge impact force. The displaced protection plate 5 causes the reinforcing rib 6 to collapse towards the support frame 2. The collapsed reinforcing rib 6 squeezes the storage bladder 4 in the cavity 21. Since the shear-hardening gel filled in the storage bladder 4 will exhibit strong resistance instantaneously when receiving an impact and its mechanical properties are significantly enhanced, it will resist the squeezing force from the reinforcing rib 6, thereby absorbing part of the impact force generated during the impact and reducing the deformation degree of the anti-collision plate 1. At the same time, the support frame 2 is arranged in a triangular prism shape and also has strong stability and support, and can resist part of the impact force, preventing the anti-collision plate 1 from being severely deformed and broken by the impact and generating fragments flying into the vehicle to cause injury to personnel.

[0029] Meanwhile, when being impacted, the non-Newtonian fluid in the storage bladder 4 instantaneously hardens to tightly press and fix the pressing plate 9. The fixed pressing plate 9 makes the inclined surfaces on both sides of the trapezoidal block 8 tightly abut against the inner wall of the caliper 7, so that the inner wall of the caliper 7 clamps and fixes the fixing screw 3, preventing the fixing screw 3 from shaking when being impacted, ensuring the stability of the anti-collision plate 1, and providing safety guarantee for the passengers in the vehicle. When the external impact disappears, the filler in the storage bladder 4 returns to the fluid state again, making the storage bladder 4 become loose and shake. At this time, the pressing plate 9 can slide in the support frame 2, and no longer makes the trapezoidal block 8 tightly abut against the caliper 7, and the caliper 7 also opens from the clamped state. At this time, it is convenient for the staff to disassemble the fixing screw 3 to check the condition of the device.

[0030] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lightweight composite reinforcement for a new energy vehicle B-pillar, comprising an anti-collision plate (1) and a support frame (2), characterized in that: The support frame (2) is fixedly mounted on the inner wall of the anti-collision plate (1); a cavity (21) is provided inside the support frame (2); a storage bag (4) is arranged in the cavity (21); a non-Newtonian fluid is contained in the storage bag (4); a guard plate (5) is fixedly mounted on the surface of the anti-collision plate (1); a reinforcing rib (6) is fixedly mounted on the bottom of the guard plate (5); the reinforcing rib (6) penetrates the anti-collision plate (1) and extends into the cavity (21); the bottom of the reinforcing rib (6) is in contact with the storage bag (4).

2. A lightweight composite reinforcement for a B-pillar of a new energy vehicle according to claim 1, characterized in that: The support frame (2) is arranged in a triangular prism shape, and two mutually perpendicular surfaces are in contact with the inner edge of the anti-collision plate (1); the guard plate (5) is arranged in an L shape and is in contact with the outer edge of the guard plate (5).

3. A lightweight composite reinforcement for a B-pillar of a new energy vehicle according to claim 1, characterized in that: The type of non-Newtonian fluid filled in the storage capsule (4) is shear-hardening gel.

4. A lightweight composite reinforcement for a B-pillar of a new energy vehicle according to claim 1, characterized in that: The anti-collision plate (1) is provided with a protrusion (11) on its surface, and a screw hole is provided on the surface of the protrusion (11), a fixing screw (3) is provided at the screw hole, a slot (10) is provided on the surface of the anti-collision plate (1) near the fixing screw (3), a pair of calipers (7) are rotatably mounted at the slot (10), a pressure plate (9) is slidably mounted on the inner wall of the support frame (2), the pressure plate (9) passes through the support frame (2) and a trapezoidal block (8) is fixedly mounted at the bottom, both sides of the trapezoidal block (8) are arranged as inclined surfaces and are in contact with the inner wall of the caliper (7), and an elastic member is arranged between the pressure plate (9) and the support frame (2).

5. A lightweight composite reinforcement for a B-pillar of a new energy vehicle according to claim 4, characterized in that: The shape of the caliper (7) matches the head of the fixing screw (3).

6. A lightweight composite reinforcement for a B-pillar of a new energy vehicle according to claim 5, characterized in that: The position of the pressing plate (9) in the cavity (21) is between the storage bag (4) and the support frame (2), and is in contact with the inner wall of the support frame (2).

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