Battery pack mounting mechanism and automobile thereof

Abstract

The application discloses a kind of battery installation package connecting mechanisms, including installation box and battery package body, the installation box is equipped with the accommodation slot for battery package body arrangement, the accommodation slot is equipped with the positioning plate and the limiting plate of relative arrangement, the buffering adjustment structure is equipped between the positioning plate and the limiting plate, and the battery package body is arranged in the inner side of buffering adjustment structure. By the buffering adjustment structure that is equipped between the positioning plate and the limiting plate in the accommodation slot of installation box, battery package body can be effectively positioned and connected, and by the buffering adjustment structure cooperation driven adjustment structure, effective energy absorption buffering can be implemented during the impact of new energy automobile, further improve the buffering protection effect of battery package body during impact, effectively avoid the explosion of battery package body and other dangerous situations caused by violent impact.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile power battery, in particular to a battery installation package connecting mechanism and automobile thereof. BACKGROUND

[0002] The battery installation package of the prior art new energy vehicle is usually arranged at the bottom of the automobile, and when the new energy vehicle is impacted, the battery package is likely to explode and cause a fire, so a connecting mechanism capable of effectively absorbing energy and buffering during the impact of the new energy vehicle is needed to improve the buffering protection of the battery package body during the impact.

[0003] There are several commonly used power batteries for new energy vehicles, including lithium iron phosphate batteries, nickel-hydrogen batteries, ternary lithium batteries, and sodium batteries. The battery installation package can be fixed to the new energy vehicle through the connecting mechanism, such as the new energy vehicle battery connecting structure disclosed in Chinese patent CN107985048A, which is provided with an installation groove on each battery installation beam, a limiting plate is arranged in the middle of each installation groove, a plurality of connecting blocks are arranged on the side surface of the battery box, an installation shaft is clamped in each connecting block, the installation shaft is clamped in the gap between the limiting plate and the end surface of the installation groove, a buffer block is arranged on the side surface of each battery installation beam, and an elastic component is arranged between the connecting block and the buffer block; the above structure only relies on the externally arranged elastic component for protection, which cannot effectively protect the battery package in the box and the energy absorption and buffering protection still has certain deficiencies in actual application. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a battery installation package connecting mechanism and automobile thereof, which can effectively improve the buffering protection of the battery package body during the impact.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is as follows:

[0006] A battery installation package connecting mechanism, comprising a mounting box and a battery package body, the mounting box is provided with a containing groove for accommodating the battery package body, the containing groove is provided with a positioning plate and a limiting plate arranged oppositely, a buffering adjustment structure is arranged between the positioning plate and the limiting plate, and the battery package body is arranged on the inner side of the buffering adjustment structure.

[0007] Further comprising a fixing frame, the battery package body is fixed in the fixing frame, and a driven adjustment structure is arranged between the fixing frame and the buffering adjustment structure.

[0008] The positioning plate is fixed on one side of the inner wall of the containing groove, the limiting plate is fixed on the other side of the inner wall of the containing groove, and the positioning plate and the limiting plate are arranged in parallel.

[0009] The buffer adjusting structure comprises a motor, two bidirectional screws and two support structures for positioning the battery pack body, the two bidirectional screws are rotatably arranged between the positioning plate and the limiting plate and are connected with the motor at the ends, and the support structures are connected with the screw sleeves in a threaded mode.

[0010] The fixing frame comprises a pair of fixing supports arranged oppositely, the adjacent sides of the two fixing supports are each provided with a screw rod, and the adjacent ends of the corresponding two screw rods are connected through a movable rotating sleeve.

[0011] The positioning plate and the support structure on one side are both provided with an elastic structure, and the limiting plate and the support structure on the other side are both provided with an elastic structure.

[0012] The driven adjusting structure comprises an inner electromagnet structure and an outer electromagnet structure which are attracted to each other, the outer electromagnet structure is inlaid in the inner side of the support structure, the inner electromagnet structure is inlaid in the outer side of the fixing frame, and the inner electromagnet structure and the outer electromagnet structure are arranged correspondingly.

[0013] The elastic structure is an elastic belt.

[0014] The inner side of the support structure is provided with a notch, and the fixing frame is located in the notch.

[0015] The automobile further comprises the battery mounting pack connecting mechanism.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] The battery mounting pack connecting mechanism has a reasonable structure, the buffer adjusting structure arranged between the positioning plate and the limiting plate can effectively position and connect the battery pack body in the accommodating groove of the mounting box, the buffer adjusting structure cooperates with the driven adjusting structure to effectively absorb energy during the impact of the new energy automobile, further improves the buffering protection effect of the battery pack body during the impact, and effectively avoids the explosion of the battery pack body due to the severe impact. BRIEF DESCRIPTION OF DRAWINGS

[0018] The content expressed by each drawing of the present specification and the marks in the drawings are briefly described as follows:

[0019] Figure 1 It is a top view and a half-section structure schematic diagram of the mechanism of the present application.

[0020] Figure 2 It is a top view structure schematic diagram of the mounting box of the present application.

[0021] Figure 3 It is a half-section structure schematic diagram of the support of the present application.

[0022] Figure 4It is a fixed frame half-section structure schematic diagram of the application.

[0023] Figure 5 It is an agency overhead structure schematic diagram of the application.

[0024] In the figure:

[0025] 1, installation box; 11, containing groove; 2, positioning plate; 21, servo motor; 22, bidirectional screw rod; 23, limiting plate; 24, support; 25, elastic band; 26, first electromagnet; 27, second electromagnet; 3, battery pack body; 31, fixed frame; 32, third electromagnet; 33, fourth electromagnet; 4, shaft sleeve; 41, screw rod; 5, cover. DETAILED DESCRIPTION

[0026] The specific embodiments of the application will be further described in detail below with reference to the accompanying drawings and by describing the embodiments.

[0027] As Figures 1 to 5 shown, the battery installation package connecting mechanism of the new energy vehicle can effectively absorb energy and buffer during the impact of the new energy vehicle to improve the buffering protection effect of the battery pack body during the impact process, thereby effectively avoiding the problem of explosion of the battery pack body due to severe impact and other dangerous conditions.

[0028] The battery installation package connecting mechanism, comprising an installation box 1 and a battery pack body 3, the installation box is provided with a containing groove 11 for placing the battery pack body, and the battery pack body 3 is arranged in the containing groove; a cover 5 is fixedly inserted into the top of the containing groove around the inner wall, and the upper surface of the cover is coplanar with the upper surface of the installation box; a positioning plate and a limiting plate are arranged opposite in the containing groove, preferably the positioning plate is fixed on one side of the inner wall of the containing groove, the limiting plate is fixed on the other side of the inner wall of the containing groove, and the positioning plate and the limiting plate are arranged in parallel.

[0029] A buffer adjusting structure is arranged between the positioning plate 2 and the limiting plate 23, and the battery pack body is arranged inside the buffer adjusting structure. The battery pack body can be effectively positioned and connected by means of the buffer adjusting structure arranged between the positioning plate and the limiting plate in the containing groove.

[0030] The battery pack body is fixed by a fixed frame 31 around the periphery, and is positioned and connected by the fixed frame and the buffer adjusting structure, which is convenient for installation; a driven adjusting structure is arranged between the fixed frame and the buffer adjusting structure, and the driven adjusting structure also has a buffering function; the buffer adjusting structure cooperates with the driven adjusting structure to effectively absorb energy and buffer during the impact of the new energy vehicle.

[0031] The fixed frame comprises a pair of fixed supports arranged opposite to each other, and the driven adjusting structure is arranged around the periphery of each of the two fixed supports, and the driven adjusting structure and the buffer adjusting structure are used to limit the position of the battery pack body in the installation box;

[0032] Two screw rods 41 are threadedly inserted into the middle of the adjacent sides of the two fixed supports, and the adjacent ends of the corresponding two screw rods are connected through a movable rotating sleeve. The two ends of the movable rotating sleeve are screw threads that can be adapted to the end of the screw rod. The movable rotating sleeve is a bearing rotating sleeve with a bearing in the middle. By rotating the movable rotating sleeve, the relative distance between the two fixed supports can be adjusted to accommodate battery pack bodies of different sizes.

[0033] Preferably, the buffer adjustment structure includes a motor, two bidirectional screw rods 22, and two support structures for positioning the battery pack body. The two bidirectional screw rods are arranged relative to the edge of the containing groove. The two bidirectional screw rods are rotatably arranged between the positioning plate and the limiting plate and are connected to the motor at the end. The motor is a servo motor 21. The support structure is connected to the screw rod through a threaded sleeve.

[0034] The positioning plate and the support structure on one side, and the limiting plate and the support structure on the other side are both provided with elastic structures. Preferably, the elastic structure is an elastic band 25, which is simple in structure and relatively low in cost. Preferably, the screw threads on the two sides of the middle of the outer periphery of the bidirectional screw rod are opposite in rotation direction. The middle of the separation surface of the two support structures is provided with an elastic band. One side of each of the two elastic bands is connected to the positioning plate and the limiting plate, respectively.

[0035] The driven adjustment structure includes an inner electromagnet structure and an outer electromagnet structure that are attracted to each other. The outer electromagnet structure is inlaid on the inner side of the support structure, and the inner electromagnet structure is inlaid on the outer side of the fixed frame. The inner electromagnet structure and the outer electromagnet structure are arranged correspondingly.

[0036] Preferably, the driven adjustment structure is that the outer periphery of the fixed frame is inlaid with a third electromagnet 32 on one side of the end, and is inlaid with a fourth electromagnet 33 on the middle of the two sides. The inner side of the end of the support structure is inlaid with a first electromagnet 26. The first electromagnet is attracted to the third electromagnet. The middle of one side of the support structure is inlaid with a second electromagnet 27 near the two ends. The second electromagnet is attracted to the fourth electromagnet. By adjusting the magnetic attraction strength between them, the impact force offset effect of the new energy automobile when it is hit can be effectively controlled. Further, the inner side of the support structure is provided with a slot, and the fixed frame is located in the slot. The fixed frame is limited in the slot. The structure is compact, stable and reliable.

[0037] The buffer adjustment structure provided between the positioning plate and the limiting plate in the containing groove of the mounting box can effectively position and connect the battery pack body. Through the cooperation of the buffer adjustment structure and the driven adjustment structure, effective energy absorption and buffering can be implemented during the impact of the new energy automobile. The buffering protection effect of the battery pack body during the impact process is further improved, and the risk of explosion of the battery pack body due to severe impact is effectively avoided.

[0038] In the preferred embodiment 1 of the present application,

[0039] As Figure 1 and Figure 5 shown, a battery installation package connection mechanism of a new energy vehicle, comprising: an installation box 1 and a battery package body 3, the upper surface of the installation box 1 is provided with a containing groove 11, and the battery package body 3 is arranged in the containing groove 11; the top end of the inner wall of the containing groove 11 is fixedly inserted with a cover 5, and the upper surface of the cover 5 is coplanar with the upper surface of the installation box 1.

[0040] One side of the inner wall of the containing groove 11 is provided with a positioning plate 2, and the other side of the inner wall of the containing groove 11 is provided with a limiting plate 23, the positioning plate 2 and the limiting plate 23 are arranged in parallel and symmetrically, the buffering adjusting structure is arranged between the limiting plate 23 and the positioning plate 2, and the battery package body 3 is arranged inside the buffering adjusting structure; the two sides of the periphery of the battery package body 3 are both sleeved with a fixing frame 31, and the periphery of the two fixing frames 31 is provided with a driven adjusting structure, and the driven adjusting structure and the buffering adjusting structure are used for limiting the position of the battery package body 3 in the installation box 1.

[0041] Among them, the containing groove 11 arranged in the installation box 1 can accommodate and arrange the battery package body 3, and the buffering adjusting structure arranged between the positioning plate 2 and the limiting plate 23 in the containing groove 11 can effectively position and connect the battery package body 3, and the buffering adjusting structure cooperates with the driven adjusting structure to effectively absorb energy and buffer during the impact of the new energy vehicle, further improving the buffering protection effect of the battery package body 3 during the impact process, and effectively avoiding the explosion of the battery package body 3 due to severe impact and other dangerous situations.

[0042] The preferred embodiment 2 of the application is as follows:

[0043] As Figure 1 , Figure 2 and Figure 3 shown, a battery installation package connection mechanism of a new energy vehicle, comprising: an installation box 1 and a battery package body 3, the upper surface of the installation box 1 is provided with a containing groove 11, and the battery package body 3 is arranged in the containing groove 11; the top end of the inner wall of the containing groove 11 is fixedly inserted with a cover 5, and the upper surface of the cover 5 is coplanar with the upper surface of the installation box 1.

[0044] The buffer adjusting structure further comprises: two servo motors 21 arranged at the middle of the inner side of the positioning plate 2, the power output ends of the two servo motors 21 are both connected with a bidirectional screw rod 22 through bolts, one end of the two bidirectional screw rods 22 is movably inserted with a limiting plate 23, the middle of the outer periphery of the two bidirectional screw rods 22 is threadedly sleeved with a support 24, the thread rotation directions of the middle of the outer periphery of the two bidirectional screw rods 22 are opposite, the middle of the opposite surface of the two supports 24 is provided with an elastic belt 25, and one side of the two elastic belts 25 is connected with the positioning plate 2 and the limiting plate 23 respectively.

[0045] The two servo motors 21 arranged in the positioning plate 2 can drive the bidirectional screw rods 22 to adjust and offset the impact force generated by the supports 24 when the position of the battery pack body 3 is limited through the thread engagement force between the two supports 24, so that the impact force of the new energy automobile when being impacted is offset, and the elastic belt 25 arranged between the positioning plate 2 and the limiting plate 23 can further improve the auxiliary energy absorption effect.

[0046] The preferred embodiment 3 of the application is as follows:

[0047] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , a battery mounting package connecting mechanism of a new energy automobile comprises: a mounting box 1 and a battery pack body 3, a containing groove 11 is formed in the upper surface of the mounting box 1, and the battery pack body 3 is arranged in the containing groove 11; a positioning plate 2 is arranged on one side of the inner wall of the containing groove 11, and a limiting plate 23 is arranged on the other side of the inner wall of the containing groove 11, and a buffer adjusting structure is arranged between the limiting plate 23 and the positioning plate 2; the outer periphery of the battery pack body 3 is sleeved with a fixed frame 31 on both sides, and a driven adjusting structure is arranged on the outer periphery of the two fixed frames 31.

[0048] The driven adjusting structure further comprises: a third electromagnet 32 and a fourth electromagnet 33, the middle of one side of the outer periphery of the fixed frame 31 is embedded with the third electromagnet 32, the middle of both sides of the outer periphery of the fixed frame 31 is embedded with the fourth electromagnet 33, the middle of one side of the support 24 is embedded with the first electromagnet 26, the first electromagnet 26 is adsorbed with the third electromagnet 32, the middle of one side of the support 24 close to both ends is embedded with the second electromagnet 27, and the second electromagnet 27 is adsorbed with the fourth electromagnet 33; the middle of the adjacent side of the two fixed frames 31 is threadedly inserted with a screw rod 41, and the adjacent ends of the two screw rods 41 are rotatably sleeved with a shaft sleeve 4 through a bearing.

[0049] Wherein, by setting a corresponding first electromagnet 26, third electromagnet 32, second electromagnet 27 and fourth electromagnet 33 between the two supports 24 and the two fixed frame 31, by adjusting the magnetic force between each other can effectively control the impact force offset effect of new energy vehicles when the impact, realize the protection of the battery pack body 3 in the installation box 1, further improve the safety performance of new energy vehicles, by rotating the screw rod 41 can adjust the fastening degree of the two fixed frame 31 in the battery pack body 3 periphery, so as to adapt to the effect of installing different size of battery pack body 3.

[0050] The working principle of the present application is as follows:

[0051] In use, by setting two servo motors 21 in the positioning plate 2, by synchronously driving servo motor 21 makes the bidirectional screw rod 22 can adjust and offset the impact force of the support 24 when the position of the battery pack body 3 is limited by the thread engagement force between the two supports 24, further realize the effect of buffering and offsetting the impact force of new energy vehicles when the impact, at the same time, the elastic belt 25 provided between the positioning plate 2 and the limiting plate 23 can further improve the auxiliary energy absorption effect, by setting a corresponding first electromagnet 26, third electromagnet 32, second electromagnet 27 and fourth electromagnet 33 between the two supports 24 and the two fixed frame 31, by adjusting the magnetic force between each other can effectively control the impact force offset effect of new energy vehicles when the impact, realize the protection of the battery pack body 3 in the installation box 1, further improve the safety performance of new energy vehicles, by rotating the screw rod 41 can adjust the fastening degree of the two fixed frame 31 in the battery pack body 3 periphery, so as to adapt to the effect of installing different size of battery pack body 3.

[0052] The above is only a description of the preferred embodiment of the present application, and the above technical features can be arbitrarily combined to form a plurality of embodiments of the present application.

[0053] The above is an exemplary description of the present application in conjunction with the drawings, obviously the specific implementation of the present application is not limited by the above manner, as long as the various non-essential improvements are made by adopting the concept and technical scheme of the present application, or the concept and technical scheme of the present application is directly applied to other occasions without improvement, all within the protection scope of the present application.

Claims

1. A battery pack mounting box connecting mechanism, comprising a mounting box and a battery pack body, a containing groove for the battery pack body to be placed is arranged in the mounting box, characterized in that: The accommodating groove is provided with oppositely arranged positioning plates and limiting plates, and a buffer adjusting structure is arranged between the positioning plates and the limiting plates, and the battery pack body is arranged on the inner side of the buffer adjusting structure; Further comprising a fixing frame, the battery pack body is fixed in the fixing frame, a driven adjusting structure is arranged between the fixing frame and the buffer adjusting structure; the buffer adjusting structure comprises a motor, two bidirectional screws and two support structures for positioning the battery pack body, the two bidirectional screws are rotatably arranged between the positioning plates and the limiting plates and are connected with the motor at the end portions, and the support structures are connected with the screw threads; the fixing frame comprises a pair of oppositely arranged fixing supports, the adjacent sides of the two fixing supports are each provided with a screw rod, and the adjacent ends of the corresponding two screw rods are connected through a movable rotating sleeve; the positioning plates and one side of the support structures and the limiting plates and the other side of the support structures are each provided with an elastic structure; the driven adjusting structure comprises an inner electromagnet structure and an outer electromagnet structure which are attracted to each other, the outer electromagnet structure is inlaid on the inner side of the support structure, the inner electromagnet structure is inlaid on the outer side of the fixing frame, and the inner electromagnet structure and the outer electromagnet structure are correspondingly arranged.

2. The battery pack connection mechanism of claim 1, wherein: The positioning plates are fixed on one side of the inner wall of the accommodating groove, the limiting plates are fixed on the other side of the inner wall of the accommodating groove, and the positioning plates and the limiting plates are arranged in parallel.

3. The battery pack connection mechanism of claim 1, wherein: The elastic structure is an elastic belt.

4. The battery pack connection mechanism of claim 1, wherein: The inner side of the support structure is provided with a notch, and the fixing frame is located in the notch.

5. An automobile characterized by comprising: Further comprising the battery mounting pack connecting mechanism according to any one of claims 1 to 4.

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