Automobile power battery pack with protection structure
By setting up a protective structure in the car's power battery pack, the sliding buffer and side plate connection mechanism are used to alleviate external forces when impacted, solving the problem of the power battery pack being vulnerable to damage and improving service life and safety.
Patent Information
- Application Number
- CN202421366117.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The existing automotive power battery packs have not taken protective measures inside the vehicle body and are susceptible to impact damage, affecting service life and safety.
By providing an upper cover plate, a first side plate, a second side plate, a sliding buffer structure and a side plate connection mechanism, a protective structure is formed, and mechanical elements such as springs and limit blocks are used to alleviate external impact forces when impacted, and protect the power battery.
Effectively protect power batteries, avoid damage, improve service life and safety, enhance the release of impact force, and improve the comprehensiveness of protection.
Smart Images

Figure CN222826533U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery structures, in particular to an automobile power battery pack with a protective structure. Background Art
[0002] With the rapid expansion of the new energy vehicle market, the performance requirements for power batteries are also increasing. This includes requirements for energy density, power density, safety, life, and cost control. In order to meet these requirements, power battery technology has been continuously improving and improving.
[0003] After consulting the relevant patent document CN212571189U, it is found that there are still some problems with the existing automotive power battery packs. The optimization solutions currently on the market are mainly: by setting a bracket, a base, a connecting piece, a battery module and a cover plate, an opening on one side of the base forms a cavity, the battery module is set on the bracket and is set in the cavity together with the bracket, the cover plate is set on the opening, the side wall of the base and the cover plate are detachably connected through the connecting piece, and the connecting piece is connected to the peripheral side of the bracket, so that the power battery pack assembly structure is simple. However, this type of power battery has no protective measures inside the vehicle body, making the power battery vulnerable to impact damage. In view of the above problems, by setting an upper cover plate, a first side plate, a second side plate, a sliding buffer structure and a side plate connecting mechanism, the power battery can be effectively protected to avoid damage, thereby improving service life and safety. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides an automotive power battery pack with a protective structure.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automotive power battery pack with a protective structure, comprising an upper cover plate, a first side plate is arranged on one side of the upper cover plate, a sliding buffer structure is fixedly connected between the upper cover plate and the first side plate, a second side plate is arranged on one side of the first side plate, a side plate connecting mechanism is arranged between the first side plate and the second side plate, a power battery pack is arranged between the first side plate and the second side plate, a mounting angle iron is fixedly connected to the lower surface of the power battery pack, and a mounting frame is fixedly connected to the inside of the mounting angle iron.
[0006] As a further improvement of the above solution, extension plates are fixedly connected to both sides of the first side plate, a sliding groove is opened inside the extension plate, and the sliding buffer structure includes a sleeve shell, a telescopic rod is slidably connected inside the sleeve shell, and one end of the telescopic rod is fixedly connected to a limiting through pipe.
[0007] As a further improvement of the above scheme, the interior of the limiting through tube is slidably connected to a first limiting block, the bottom of the limiting through tube is fixedly connected to a supporting truncated table, a through hole equal to the inner diameter of the limiting through tube is opened inside the supporting truncated table, a first telescopic spring is sleeved on the surface of the first limiting block, the top of the first telescopic spring is fixedly connected to the bottom of the supporting truncated table, and the bottom of the first telescopic spring is fixedly connected to the upper surface of the first side plate.
[0008] As a further improvement of the above scheme, the side panel connection mechanism includes a connecting rod, which is slidably connected to the slide groove, a stop block is fixedly connected to the surface of the connecting rod, the stop block is slidably connected to the extension plate, and a support block is fixedly connected to the surface of the stop block.
[0009] As a further improvement of the above scheme, a sliding rod is fixedly connected to one side of the support block, a second telescopic spring is sleeved on the surface of the sliding rod, one end of the second telescopic spring is fixedly connected to the support block, and the other end is fixedly connected to a connecting plate, and the connecting plate is slidably connected to the sliding rod.
[0010] As a further improvement of the above solution, a second limit block is fixedly connected to one side of the connecting plate, a connecting column is fixedly connected to one side of the second limit block, the connecting column runs through the interior of the first side plate, and the connecting column and the first side plate are slidably connected.
[0011] As a further improvement of the above solution, a return spring is sleeved on the surface of the connecting column, one end of the return spring is fixedly connected to the inner surface of the first side plate, and the other end is fixedly connected to the side wall of the power battery pack, and one end of the connecting column is fixedly connected to the side wall of the power battery pack.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. The automotive power battery pack with a protective structure, the upper cover plate, the first side plate, the second side plate, the sliding buffer structure and the side plate connecting mechanism can effectively protect the power battery from damage, thereby improving service life and safety.
[0014] 2. For the automotive power battery pack with a protective structure, when the first side plate is impacted by the outside, the first side plate slides on the connecting column and compresses the reset spring to relieve the external impact force. When the second side plate is impacted, the second side plate drives the connecting rod to slide inside the slide groove, and the support block drives the slide rod to slide inside the connecting plate, and the second telescopic spring is compressed, so that the external impact force can be released, effectively alleviating the damage to the power battery pack caused by the outside. When the first side plate and the second side plate are impacted at the same time, the extension plate slides along the connecting rod, and the connecting rod slides inside the slide groove, so that the reset spring and the second telescopic spring are compressed synchronously to complete the release of the external impact force. This method effectively improves the release of the impact force that the power battery pack may be subjected to at all angles, and improves the comprehensiveness of the protection. Similarly, when the upper cover plate is impacted, the limit through pipe drives the supporting truncated table to compress the first telescopic spring along the first limit block. If the first side plate is impacted synchronously, the telescopic rod will be retracted into the shell at the same time. In summary, all-round protection of the power battery pack is achieved. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is the front view of the utility model;
[0016] Figure 2 This is a schematic diagram of the utility model when viewed from the bottom;
[0017] Figure 3 This is a schematic diagram of the sliding buffer structure of the utility model;
[0018] Figure 4 This is a schematic diagram of the outer structure of the side panel connection mechanism of the utility model;
[0019] Figure 5 It is a schematic diagram of the inner structure of the side panel connecting mechanism of the utility model.
[0020] Description of main symbols:
[0021] 1. Upper cover plate; 2. First side plate; 201. Extension plate; 202. Slide groove; 3. Sliding buffer structure; 301. Housing; 302. Telescopic rod; 303. Limiting through pipe; 304. First limiting block; 305. Supporting truncated table; 306. First telescopic spring; 4. Second side plate; 5. Side plate connecting mechanism; 501. Connecting rod; 502. Block; 503. Support block; 504. Slide rod; 505. Second telescopic spring; 506. Connecting plate; 507. Second limiting block; 508. Connecting column; 509. Reset spring; 6. Power battery pack; 7. Power interface; 8. Mounting angle iron; 9. Mounting bracket. DETAILED DESCRIPTION
[0022] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment. Example
[0023] Please combine Figure 1-5 , an automotive power battery pack with a protective structure of the present embodiment includes an upper cover plate 1, a first side plate 2 is arranged on one side of the upper cover plate 1, a sliding buffer structure 3 is fixedly connected between the upper cover plate 1 and the first side plate 2, a second side plate 4 is arranged on one side of the first side plate 2, a side plate connecting mechanism 5 is arranged between the first side plate 2 and the second side plate 4, a power battery pack 6 is arranged between the first side plate 2 and the second side plate 4, a mounting angle iron 8 is fixedly connected to the lower surface of the power battery pack 6, and a mounting frame 9 is fixedly connected to the inside of the mounting angle iron 8.
[0024] Extension plates 201 are fixedly connected to both sides of the first side plate 2, and a slide groove 202 is opened inside the extension plate 201. The sliding buffer structure 3 includes a sleeve shell 301, and a telescopic rod 302 is slidably connected inside the sleeve shell 301. One end of the telescopic rod 302 is fixedly connected to a limiting through pipe 303.
[0025] The interior of the limiting tube 303 is slidably connected to a first limiting block 304, the bottom of the limiting tube 303 is fixedly connected to a supporting truncated cone 305, a through hole equal to the inner diameter of the limiting tube 303 is provided inside the supporting truncated cone 305, a first telescopic spring 306 is sleeved on the surface of the first limiting block 304, the top of the first telescopic spring 306 is fixedly connected to the bottom of the supporting truncated cone 305, and the bottom of the first telescopic spring 306 is fixedly connected to the upper surface of the first side plate 2.
[0026] The side panel connection mechanism 5 includes a connection rod 501 , which is slidably connected to the slide groove 202 , a stopper 502 is fixedly connected to the surface of the connection rod 501 , the stopper 502 is slidably connected to the extension plate 201 , and a support block 503 is fixedly connected to the surface of the stopper 502 .
[0027] A slide bar 504 is fixedly connected to one side of the support block 503, and a second telescopic spring 505 is sleeved on the surface of the slide bar 504. One end of the second telescopic spring 505 is fixedly connected to the support block 503, and the other end is fixedly connected to a connecting plate 506, which is slidably connected to the slide bar 504.
[0028] A second limiting block 507 is fixedly connected to one side of the connecting plate 506 , and a connecting column 508 is fixedly connected to one side of the second limiting block 507 . The connecting column 508 runs through the interior of the first side plate 2 , and the connecting column 508 and the first side plate 2 are slidably connected.
[0029] A return spring 509 is sleeved on the surface of the connecting column 508 , one end of the return spring 509 is fixedly connected to the inner surface of the first side plate 2 , and the other end is fixedly connected to the side wall of the power battery pack 6 . One end of the connecting column 508 is fixedly connected to the side wall of the power battery pack 6 .
[0030] The working principle of a vehicle power battery pack with a protective structure in the embodiment of the present application is as follows: when the first side plate 2 is impacted by the outside, the first side plate 2 slides on the connecting column 508 and compresses the return spring 509 to relieve the external impact force. When the second side plate 4 is impacted, the second side plate 4 drives the connecting rod 501 to slide inside the slide groove 202, and the support block 503 drives the slide rod 504 to slide inside the connecting plate 506, and the second telescopic spring 505 is compressed, so that the external impact force can be released, effectively relieving the damage to the power battery pack 6 by the outside. When the first side plate 2 and the second side plate 4 are impacted at the same time, the extension plate 2 01 will slide along the connecting rod 501, and at the same time, the connecting rod 501 slides inside the slide groove 202, so that the reset spring 509 and the second telescopic spring 505 are compressed synchronously, completing the release of the external impact force. This method effectively improves the release of the impact force that the power battery pack 6 may be subjected to at all angles, and improves the comprehensiveness of protection. Similarly, when the upper cover plate 1 is impacted, the limiting through pipe 303 will drive the supporting table 305 to compress the first telescopic spring 306 along the first limiting block 304. If the first side plate 2 is impacted synchronously, the telescopic rod 302 will be retracted into the shell 301 at the same time. In summary, all-round protection of the power battery pack 6 is achieved.
[0031] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. An automotive power battery pack with a protective structure, characterized in that: The invention comprises an upper cover plate (1), a first side plate (2) being arranged on one side of the upper cover plate (1), a sliding buffer structure (3) being fixedly connected between the upper cover plate (1) and the first side plate (2), a second side plate (4) being arranged on one side of the first side plate (2), a side plate connecting mechanism (5) being arranged between the first side plate (2) and the second side plate (4), a power battery pack (6) being arranged between the first side plate (2) and the second side plate (4), a mounting angle iron (8) being fixedly connected to the lower surface of the power battery pack (6), and a mounting frame (9) being fixedly connected to the interior of the mounting angle iron (8).
2. The automotive power battery pack with a protective structure as claimed in claim 1, characterized in that: Extension plates (201) are fixedly connected to both sides of the first side plate (2), a slide groove (202) is provided inside the extension plate (201), the sliding buffer structure (3) comprises a sleeve (301), a telescopic rod (302) is slidably connected inside the sleeve (301), and one end of the telescopic rod (302) is fixedly connected to a limiting through pipe (303).
3. The automotive power battery pack with a protective structure as claimed in claim 2, characterized in that: The interior of the position-limiting through-tube (303) is slidably connected to a first position-limiting block (304); the bottom of the position-limiting through-tube (303) is fixedly connected to a supporting truncated platform (305); a through hole having an inner diameter equal to that of the position-limiting through-tube (303) is provided inside the supporting truncated platform (305); a first telescopic spring (306) is sleeved on the surface of the first position-limiting block (304); the top of the first telescopic spring (306) is fixedly connected to the bottom of the supporting truncated platform (305); and the bottom of the first telescopic spring (306) is fixedly connected to the upper surface of the first side plate (2).
4. The automotive power battery pack with a protective structure as claimed in claim 2, characterized in that: The side plate connection mechanism (5) comprises a connection rod (501), the connection rod (501) is slidably connected to the slide groove (202), a stopper (502) is fixedly connected to the surface of the connection rod (501), the stopper (502) is slidably connected to the extension plate (201), and a support block (503) is fixedly connected to the surface of the stopper (502).
5. The automotive power battery pack with a protective structure as claimed in claim 4, characterized in that: A sliding rod (504) is fixedly connected to one side of the support block (503); a second telescopic spring (505) is sleeved on the surface of the sliding rod (504); one end of the second telescopic spring (505) is fixedly connected to the support block (503); and the other end of the second telescopic spring (505) is fixedly connected to a connecting plate (506); and the connecting plate (506) is slidably connected to the sliding rod (504).
6. The automotive power battery pack with a protective structure as claimed in claim 5, characterized in that: A second limiting block (507) is fixedly connected to one side of the connecting plate (506), a connecting column (508) is fixedly connected to one side of the second limiting block (507), the connecting column (508) passes through the interior of the first side plate (2), and the connecting column (508) is slidably connected to the first side plate (2).
7. The automotive power battery pack with a protective structure as claimed in claim 6, characterized in that: A return spring (509) is sleeved on the surface of the connecting column (508); one end of the return spring (509) is fixedly connected to the inner surface of the first side plate (2), and the other end is fixedly connected to the side wall of the power battery pack (6); one end of the connecting column (508) is fixedly connected to the side wall of the power battery pack (6).