Battery pack suspension cross beam of new energy automobile

Abstract

The utility model discloses a battery pack suspension cross beam of a new energy automobile, which relates to the technical field of battery pack suspension and comprises a battery pack body, an outer frame is connected onto the battery pack body, a cross beam body is fixedly mounted at the bottom of the outer frame, limit through holes are formed in two sides of the outer frame, and a protection mechanism is arranged at the cross beam body. The protection mechanism comprises a mechanism frame installed at the cross beam body, an upper protection plate is fixedly installed at the upper end of the mechanism frame, a lower protection plate is fixedly installed at the lower end of the mechanism frame, a buffering honeycomb plate is fixedly installed in the mechanism frame, an installation assembly is fixedly installed on the inner wall of the mechanism frame, and an in-out through hole is formed in the side wall of the mechanism frame. And the in-out through holes are aligned with the limiting through holes in the outer frame. According to the battery pack suspension cross beam of the new energy automobile, through cooperative use of the protection mechanism and the mounting assembly, the protection effect of the battery pack can be further improved, and the protection mechanism can be rapidly replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack suspension technical field, concretely is the battery pack suspension crossbeam of new energy automobile. BACKGROUND

[0002] The battery pack of new energy automobile is an important component of electric vehicle, and is usually composed of a plurality of lithium battery monomers in series and parallel connection, and is controlled by a battery management system (BMS), responsible for monitoring the battery state and performing equalization management. Secondly, the shell of the battery pack is firm, adopts high-strength shell packaging, has excellent sealing performance, can prevent dangerous conditions such as thermal runaway, and ensures driving safety. The battery pack has the characteristics of high voltage, high energy density, intelligent management, etc., can provide higher power output and shorter charging time, and improve the cruising range of the vehicle.

[0003] The battery pack of new energy automobile is usually installed on the chassis of the automobile through the suspension crossbeam, and this design is to ensure that the battery pack can be stably fixed in the structure of the vehicle. In order to further protect the battery pack and avoid unnecessary damage during driving, protective plates are specially designed below the suspension crossbeam. These protective plates have a certain protective effect, but their thickness is relatively thin, so their performance in resisting impact force from the outside world is not very strong. When foreign matter hits the battery pack at high speed, due to the limited protection ability of the protective plate, the battery pack is easily damaged, which affects the performance and safety of the entire new energy automobile. SUMMARY

[0004] The utility model aims at providing the battery pack suspension crossbeam of new energy automobile to solve the problem of poor protection performance of the protective plate in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: the battery pack suspension crossbeam of new energy automobile, including battery pack body, the outer frame is connected on the battery pack body, the crossbeam body is fixedly installed at the bottom of the outer frame, the limit through hole is opened at both sides of the outer frame, the protection mechanism is equipped at the crossbeam body, the protection mechanism includes the mechanism frame installed at the crossbeam body, the upper protection plate is fixedly installed on the upper end of the mechanism frame, the lower protection plate is fixedly installed on the lower end of the mechanism frame, the buffer honeycomb plate is fixedly installed in the mechanism frame, and the installation assembly is fixedly installed on the inner wall of the mechanism frame.

[0006] Preferably, the in-out through hole is opened on the side wall of the mechanism frame, and the in-out through hole is aligned with the limit through hole on the outer frame.

[0007] Preferably, a butt joint groove is formed on the inner wall of the outer frame, and the cross beam body is installed in the outer frame through the butt joint groove.

[0008] Preferably, the upper protection plate and the lower protection plate are fixed on the upper and lower ends of the mechanism frame by welding respectively, the mechanism frame is installed on the bottom of the outer frame through the installation assembly, rivets are arranged on the inner wall of the mechanism frame, and the buffer honeycomb plate is fixedly installed in the mechanism frame through the rivets.

[0009] Preferably, the installation assembly comprises a mechanism sleeve fixedly installed on the inner wall of the mechanism frame, a reset spring is arranged in the mechanism sleeve, a sliding plate block is movably installed in the mechanism sleeve, a limiting pin is fixedly installed on the sliding plate block, an antiskid sleeve is sleeved on the limiting pin, and an installation gap is formed in the front end of the mechanism sleeve.

[0010] Preferably, an installation groove is formed in the middle position of the sliding plate block, and the limiting pin is installed on the sliding plate block through the installation groove.

[0011] Preferably, one end of the reset spring is connected to the bottom of the mechanism sleeve, the other end of the reset spring is connected to the sliding plate block, the limiting pin is movably installed in the mechanism sleeve through the sliding plate block, the limiting pin is extended out of the mechanism sleeve through the installation gap, and the limiting pin is embedded in the outer frame through the limiting through hole.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. After the locking state of the limiting pin is released, the reset spring performs a reset action, drives the limiting pin to be inserted into the limiting through hole, and installs the protection mechanism on the cross beam body as a whole.

[0014] 2. When the buffer honeycomb plate is damaged, the user can press one end of the limiting pin. This operation compresses the reset spring, and then causes the limiting pin to shrink into the mechanism sleeve. Once the limiting pin is completely shrunk into the mechanism sleeve, the mechanism frame loses the limitation, which greatly facilitates the user, so that they can quickly remove the damaged protection mechanism and perform corresponding replacement work. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model.

[0016] Figure 2 It is a local structure schematic view of the utility model;

[0017] Figure 3 It is a protective mechanism and installation assembly connection schematic view of the utility model;

[0018] Figure 4 It is a protective mechanism schematic view of the utility model;

[0019] Figure 5 It is an installation assembly schematic view of the utility model.

[0020] Marked number in drawing: 1, battery pack body;2, outer frame;3, limiting through hole;4, crossbeam body;5, protective mechanism;501, upper protective plate;502, lower protective plate;503, mechanism frame;504, access through hole;505, buffer honeycomb plate;6, installation assembly;601, mechanism sleeve;602, installation gap;603, limiting bayonet;604, antiskid rubber sleeve;605, sliding plate;606, reset spring. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] As Figure 1 , Figure 2 and Figure 3 Indicated, the utility model provides new energy automobile's battery pack suspension crossbeam's technical scheme, including battery pack body 1, battery pack body 1 is connected with outer frame 2, and outer frame 2 bottom fixed installation has crossbeam body 4, and outer frame 2 both sides are provided with limiting through hole 3, and crossbeam body 4 is equipped with protective mechanism 5, and mechanism frame 503 inner wall is fixedly installed with installation assembly 6, and through the cooperation of protective mechanism 5 and installation assembly 6, the battery pack protection effect can be further improved, and protective mechanism 5 can be quickly replaced.

[0023] As Figure 3 and Figure 4As shown, the outer frame 2 is fixedly installed with a beam body 4 at the bottom, and limit through holes 3 are formed on both sides of the outer frame 2. The protection mechanism 5 includes a mechanism frame 503 installed at the beam body 4, an upper protection plate 501 fixedly installed at the upper end of the mechanism frame 503, a lower protection plate 502 fixedly installed at the lower end of the mechanism frame 503, a buffer honeycomb plate 505 fixedly installed in the mechanism frame 503, an access through hole 504 formed on the side wall of the mechanism frame 503, and the access through hole 504 is aligned with the limit through hole 3 on the outer frame 2. A butt joint groove is formed on the inner wall of the outer frame 2, and the beam body 4 is installed in the outer frame 2 through the butt joint groove. The battery pack body 1 is installed in the outer frame 2 through the beam body 4,

[0024] Specifically, after the limit pin 603 is loosened, the reset spring 606 will automatically reset, which will push the limit pin 603 to embed into the limit through hole 3. Through such a mechanism, the entire protection mechanism 5 can be smoothly installed on the position of the beam body 4. When foreign matter accidentally hits the battery pack body 1, the upper protection plate 501 and the lower protection plate 502 can timely block to prevent direct impact on the battery pack. In addition, when the buffer honeycomb plate 505 is hit, the unique honeycomb structure inside it can effectively absorb the impact energy. This structure design makes the impact energy dispersed to the entire plate, thereby reducing the local pressure of the impact point, further improving the overall protection effect.

[0025] As shown in Figure 3 and Figure 5 , the installation assembly 6 includes a mechanism sleeve 601 fixedly installed on the inner wall of the mechanism frame 503, a reset spring 606 arranged in the mechanism sleeve 601, a sliding plate block 605 movably installed in the mechanism sleeve 601, a limit pin 603 fixedly installed on the sliding plate block 605, an anti-slip sleeve 604 sleeved on the limit pin 603, an installation gap 602 formed on the front end of the mechanism sleeve 601, an installation slot formed at the middle position of the sliding plate block 605, and the limit pin 603 is installed on the sliding plate block 605 through the installation slot.

[0026] Specifically, when the buffer honeycomb plate 505 is damaged, the user can press one end of the limit pin 603, which will cause the reset spring 606 to be compressed. With the compression of the reset spring 606, the limit pin 603 will shrink and finally enter the inside of the mechanism sleeve 601. Once the limit pin 603 is completely shrunk into the mechanism sleeve 601, the limiting effect of the entire mechanism frame 503 will be removed. At this time, the user can easily take off the damaged protection mechanism 5 from the device for necessary replacement work.

[0027] Working principle: when using, first install the battery pack body 1 above the cross beam body 4 in the outer frame 2, then install the mechanism frame 503 at the bottom of the outer frame 2, after installing the mechanism frame 503 at the bottom of the outer frame 2, the limiting pin 603 can be loosened, after loosening the limiting pin 603, the reset spring 606 will reset, so as to push the limiting pin 603 into the limiting hole 3, install the whole protection mechanism 5 at the cross beam body 4, when foreign matter hits the battery pack body 1, the upper protection plate 501 and the lower protection plate 502 can block, and when the buffer honeycomb plate 505 is hit, the honeycomb structure inside can effectively absorb the impact energy, and disperse the energy to the whole plate, so as to reduce the local pressure of the impact point, further improve the protection effect. When the buffer honeycomb plate 505 is damaged, press one end of the limiting pin 603, make the limiting pin 603 shrink into the mechanism sleeve 601, after the limiting pin 603 shrinks into the mechanism sleeve 601, the mechanism frame 503 will lose the limit, so as to facilitate the user to quickly take off the damaged protection mechanism 5, so as to carry out the replacement work.

[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A battery pack suspension cross beam of a new energy vehicle, comprising a battery pack body (1), an outer frame (2) is connected to the battery pack body (1), characterized in that: The outer frame (2) bottom is fixedly provided with a beam body (4), limit through holes (3) are arranged on both sides of the outer frame (2), a protection mechanism (5) is arranged at the beam body (4), the protection mechanism (5) comprises a mechanism frame (503) fixedly arranged at the beam body (4), an upper protection plate (501) is fixedly arranged on the upper end of the mechanism frame (503), a lower protection plate (502) is fixedly arranged on the lower end of the mechanism frame (503), a buffer honeycomb plate (505) is fixedly arranged in the mechanism frame (503), and a mounting assembly (6) is fixedly arranged on the inner wall of the mechanism frame (503).

2. The battery pack suspension cross beam of a new energy vehicle according to claim 1, characterized in that: The side wall of the mechanism frame (503) is provided with an access through hole (504), and the access through hole (504) is aligned with the limit through hole (3) on the outer frame (2).

3. The battery pack suspension cross beam of a new energy vehicle according to claim 2, characterized in that: The inner wall of the outer frame (2) is provided with a butt joint groove, the beam body (4) is mounted in the outer frame (2) through the butt joint groove, and the battery pack body (1) is mounted in the outer frame (2) through the beam body (4).

4. The battery pack suspension cross beam of a new energy vehicle according to claim 3, characterized in that: The upper protection plate (501) and the lower protection plate (502) are fixedly arranged at the upper and lower ends of the mechanism frame (503) by welding, the mechanism frame (503) is mounted at the bottom of the outer frame (2) through the mounting assembly (6), rivets are arranged on the inner wall of the mechanism frame (503), and the buffer honeycomb plate (505) is fixedly arranged in the mechanism frame (503) through the rivets.

5. The battery pack suspension cross beam of a new energy vehicle according to claim 4, characterized in that: The mounting assembly (6) comprises a mechanism sleeve (601) fixedly arranged on the inner wall of the mechanism frame (503), the mechanism sleeve (601) is provided with a reset spring (606), a sliding plate block (605) is movably arranged in the mechanism sleeve (601), a limit pin (603) is fixedly arranged on the sliding plate block (605), a non-slip rubber sleeve (604) is arranged on the limit pin (603), and an installation gap (602) is formed in the front end of the mechanism sleeve (601).

6. The battery pack suspension cross beam of a new energy vehicle according to claim 5, characterized in that: The middle position of the sliding plate block (605) is provided with an installation groove, and the limit pin (603) is arranged on the sliding plate block (605) through the installation groove.

7. The battery pack suspension cross beam of a new energy vehicle according to claim 6, characterized in that: One end of the reset spring (606) is connected to the bottom of the mechanism sleeve (601), the other end of the reset spring (606) is connected to the sliding plate block (605), the limit pin (603) is movably arranged in the mechanism sleeve (601) through the sliding plate block (605), the limit pin (603) extends out of the mechanism sleeve (601) through the installation gap (602), and the limit pin (603) is embedded in the outer frame (2) through the limit through hole (3).

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