Power battery cover plate

Abstract

The utility model belongs to the technical field of battery cover plates, and particularly relates to a power battery cover plate which comprises a battery body, the top of the battery body is provided with a battery cover plate, the top wall surface of the battery cover plate is fixedly provided with a positive pole piece and a negative pole piece, and the bottom wall surface of the battery cover plate is fixedly provided with two extension plates. Positioning plates are rotatably mounted on the bottom wall surfaces of the two extension plates, a connecting clamping groove is formed in the top wall surface of the battery body, and a movable groove is formed in the bottom wall surface of the connecting clamping groove; according to the utility model, the extension plate and the positioning plate slide into the connection clamping groove, the positioning plate rotates towards the interior of the movable groove around the joint with the extension plate under the guidance of the guide surface, and the position of the connection screw is positioned by installing the positioning sleeve on the side wall of the connection screw in a threaded manner, so that the position of the positioning plate can be limited; and the battery cover plate is tightly arranged on the side wall of the battery body, so that the problem that the position of the existing battery cover plate is unstable after long-time use is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery cover plate technical field, especially a power battery cover plate. BACKGROUND

[0002] The power battery cover plate is an important component of the power battery, and the top of the cover plate is provided with two connecting pieces of positive and negative poles, and the cover plate is placed on the top of the battery during the processing of the battery, and the positive and negative pole pieces are welded on the top of the battery.

[0003] According to the search, the power battery cover plate disclosed in the patent with the publication number CN219350436U includes a power battery body, the top of the power battery body is provided with a battery cover plate, the top of the battery cover plate is installed with positive and negative pole pieces, the bottom of the battery cover plate is rotatably connected with two groups of torsional springs, the middle part of the torsional spring is fixedly connected with a fixed plate, a plurality of clamping grooves are formed in the middle part of the fixed plate, two groups of first recesses are formed in the middle part of the power battery body, a plurality of clamping pieces matched with the clamping grooves are fixedly connected in the middle part of the first recesses, and the clamping pieces and the clamping grooves are arranged on the same plane.

[0004] In the above-mentioned prior art, the second air bag is arranged in the middle part of the first recess to push the bottom end of the fixed plate to approach the clamping piece, but in actual use, the air in the second air bag may be lost due to long-term use or external temperature changes, resulting in insufficient air in the second air bag to reinforce the bottom end of the fixed plate, and the battery cover plate is not stable enough. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a power battery cover plate, the extension plate and the positioning plate are slid into the inside of the connecting clamping groove, the positioning plate rotates to the inside of the movable groove around the connection part with the extension plate under the guidance of the guide surface, the position of the connecting screw rod is positioned by screwing the positioning sleeve on the side wall of the connecting screw rod, the position of the positioning plate is limited, and the battery cover plate is tightly installed on the side wall of the battery body.

[0006] The technical solution for achieving the utility model discloses the following: a power battery cover plate, including a battery body, the top of the battery body is provided with a battery cover plate, the top wall surface of the battery cover plate is fixedly installed with two positive and negative pole pieces, the bottom wall surface of the battery cover plate is fixedly installed with two extension plates, the bottom wall surface of the two extension plates is rotatably installed with a positioning plate, the side wall of the positioning plate is inclined, the top wall surface of the battery body is provided with a connecting clamping groove, the position of the connecting clamping groove is aligned with the extension plate, the bottom wall surface of the connecting clamping groove is provided with a movable slot, a guide surface is formed on the side wall of the movable slot close to the connecting clamping groove, the top wall surface of the positioning plate is rotatably installed with two positioning balls in spherical shape, the side wall top end of the two positioning balls is screwedly installed with a connecting screw rod, the top of the battery body is provided with a positioning sleeve, the top end of the connecting screw rod is screwedly connected to the bottom end of the positioning sleeve, the top wall surface of the battery body is provided with an expansion slot one, and the expansion slot one is communicated with the inside of the connecting clamping groove.

[0007] In some embodiments, two mirror image distributed handles are rotatably installed on the side wall of the battery cover plate.

[0008] In some embodiments, an expansion slot two aligned with the connecting screw rod is formed on the bottom wall surface of the handle, and the positioning sleeve is aligned with the expansion slot two.

[0009] In some embodiments, the expansion slot one and the expansion slot two are both trapezoidal slots.

[0010] In some embodiments, the positioning sleeve is semispherical.

[0011] Compared with the prior art, the utility model has the following remarkable advantages:

[0012] Firstly, the extension plate and the positioning plate are slid into the inside of the connecting clamping groove, the positioning plate is guided to rotate around the connecting part with the extension plate to the inside of the movable slot under the guidance of the guide surface, the positioning sleeve is screwedly installed on the side wall of the connecting screw rod, the position of the connecting screw rod is positioned, the position of the positioning plate is limited, the battery cover plate is tightly installed on the side wall of the battery body, and the problem that the existing battery cover plate is unstable in position after long time use is solved.

[0013] Secondly, when the handle rotates, the connecting screw rod can move in the expansion slot one and the expansion slot two, and the connecting screw rod pulls the positioning plate to rotate upward around the connecting part with the extension plate, so that the positioning plate is tightly attached to the inside wall of the movable slot, and the connection between the battery body and the battery cover plate is more firm. ACCURACY OF DRAWINGS

[0014] The utility model will be further explained in connection with the drawings and embodiments as follows:

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

[0016] Figure 2 is the overall structure schematic diagram of the handle and the battery cover plate of the utility model;

[0017] Figure 3 is the overall structure schematic diagram of the battery cover plate of the utility model;

[0018] Figure 4 is the local structure schematic diagram of the battery body of the utility model;

[0019] Figure 5 is the extension slot position schematic diagram of the utility model.

[0020] Mark explanation:

[0021] 1, battery body;2, battery cover plate;3, positive and negative pole piece;4, extension plate;5, positioning plate;6, positioning ball;7, connecting screw;8, handle;9, positioning sleeve;10, connecting slot;11, movable slot;12, guide surface;13, extension slot one;14, extension slot two. Specific implementation

[0022] The utility model is described in detail below, and the technical scheme in the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0023] The utility model improves a kind of power battery cover plate, and the technical scheme of the utility model is:

[0024] As Figures 1-5As shown, a power battery cover plate, including a battery body 1, the top of the battery body 1 is provided with a battery cover plate 2, the top wall of the battery cover plate 2 is fixedly installed with two positive and negative pole pieces 3, the bottom wall of the battery cover plate 2 is fixedly installed with two extension plates 4, the bottom wall of the two extension plates 4 is rotatably installed with a positioning plate 5, the side wall of the positioning plate 5 is inclined, the top wall of the battery body 1 is provided with a connecting clamping groove 10, the connecting clamping groove 10 is aligned with the position of the extension plate 4, the bottom wall of the connecting clamping groove 10 is provided with a movable slot 11, the side wall of the movable slot 11 close to the connecting clamping groove 10 is provided with a guide surface 12, the top wall of the positioning plate 5 is rotatably installed with two positioning balls 6 in spherical shape, the side wall top end of the two positioning balls 6 is screwedly installed with a connecting screw rod 7, the top of the battery body 1 is provided with a positioning sleeve 9, the top end of the connecting screw rod 7 is screwedly connected to the bottom end of the positioning sleeve 9, the top wall of the battery body 1 is provided with an expansion slot 13, the expansion slot 13 is communicated with the inside of the connecting clamping groove 10; the staff lifts the battery cover plate 2, the positioning plate 5 rotates around the connecting part of the extension plate 4 under the influence of gravity, so that the positioning plate 5 is vertically distributed, then the extension plate 4 is aligned with the connecting clamping groove 10, the extension plate 4 and the positioning plate 5 are slid into the inside of the connecting clamping groove 10, the inclined side wall of the positioning plate 5 will be in contact with the guide surface 12, under the guidance of the guide surface 12, the positioning plate 5 rotates around the connecting part of the extension plate 4 to the inside of the movable slot 11, the connecting screw rod 7 is in the expansion slot 13 with the rotation of the positioning plate 5, by screwing the positioning sleeve 9 on the side wall of the connecting screw rod 7, the position of the connecting screw rod 7 is positioned, so that the position of the positioning plate 5 is limited, so that the battery cover plate 2 is tightly installed on the side wall of the battery body 1.

[0025] As Figures 1-5As shown, in an embodiment, in order to facilitate the carrying of the battery body 1, two mirror image distributed handles 8 are rotatably installed on the side wall of the battery cover plate 2; by rotating the two handles 8 towards the same side around the connection with the battery cover plate 2, the two handles 8 facilitate the carrying of the battery body 1 by the staff; in order to prevent the battery body 1 and the battery cover plate 2 from being separated during the process of lifting the handle 8 to carry the battery body 1, the bottom wall surface of the handle 8 is provided with an expansion slot two 14 aligned with the connecting screw 7, and the positioning sleeve 9 is aligned with the expansion slot two 14; by aligning the expansion slot two 14 with the connecting screw 7, the top end of the connecting screw 7 can extend into the interior of the handle 8, and then the positioning sleeve 9 is threadedly installed on the top end of the connecting screw 7, the position of the connecting screw 7 is limited, and the position of the positioning plate 5 is ensured to be stable; when the positioning sleeve 9 is threadedly installed on the top end of the connecting screw 7, in order to facilitate the rotation of the handle 8 around the connection with the battery cover plate 2; the expansion slot one 13 and the expansion slot two 14 are both trapezoidal slots, and the positioning sleeve 9 is semispherical; by setting the positioning ball 6 and the positioning sleeve 9 to be spherical and semispherical respectively, the rotation of the connecting screw 7 is facilitated, by setting the expansion slot one 13 and the expansion slot two 14 to be trapezoidal slots, sufficient space is provided in the interior of the battery body 1 and the handle 8 to facilitate the rotation of the connecting screw 7, when the handle 8 rotates, the connecting screw 7 can move in the interior of the expansion slot one 13 and the expansion slot two 14, and the connecting screw 7 will pull the positioning plate 5 to rotate upwards around the connection with the extension plate 4, so that the positioning plate 5 is tightly fitted with the inner side wall of the movable slot 11, and the connection between the battery body 1 and the battery cover plate 2 is more firm.

[0026] The specific working method is: the staff lifts the battery cover plate 2, the positioning plate 5 rotates around the connection with the extension plate 4 under the influence of gravity, so that the positioning plate 5 is vertically distributed, then the extension plate 4 is aligned with the connecting clamping slot 10, the extension plate 4 and the positioning plate 5 are slid into the interior of the connecting clamping slot 10, the inclined side wall surface of the positioning plate 5 will be in contact with the guide surface 12, under the guidance of the guide surface 12, the positioning plate 5 rotates around the connection with the extension plate 4 towards the interior of the movable slot 11, the connecting screw 7 is in the interior of the expansion slot one 13 with the rotation of the positioning plate 5, the position of the connecting screw 7 is positioned by threadedly installing a nut on the side wall of the connecting screw 7, the position of the positioning plate 5 is limited, the battery cover plate 2 is tightly installed on the side wall of the battery body 1, when the handle 8 rotates, the connecting screw 7 can move in the interior of the expansion slot one 13 and the expansion slot two 14, and the connecting screw 7 will pull the positioning plate 5 to rotate upwards around the connection with the extension plate 4, so that the positioning plate 5 is tightly fitted with the inner side wall of the movable slot 11, and the connection between the battery body 1 and the battery cover plate 2 is more firm.

[0027] The technical means disclosed by the utility model scheme are not limited to the technical means disclosed by the above technical means, and also include technical schemes composed of equivalent replacement of the above technical features. The unfinished matters of the utility model belong to the common knowledge of the person skilled in the art.

Claims

1. A power battery cover, comprising a battery body (1), a battery cover (2) disposed on the top of the battery body (1), and two positive and negative electrode plates (3) fixedly installed on the top wall of the battery cover (2), characterized in that: Two extension plates (4) are fixedly installed on the bottom wall of the battery cover (2). A positioning plate (5) is rotatably installed on the bottom wall of the two extension plates (4). The side wall of the positioning plate (5) is inclined. A connecting slot (10) is provided on the top wall of the battery body (1). The connecting slot (10) is aligned with the position of the extension plate (4). A movable groove (11) is provided on the bottom wall of the connecting slot (10). A side wall of the movable groove (11) near the connecting slot (10) is opened. The top wall of the positioning plate (5) is provided with a guide surface (12) and two spherical positioning balls (6) are rotatably installed. The top of the side wall of the two positioning balls (6) is threaded with a connecting screw (7). The top of the battery body (1) is provided with a positioning sleeve (9). The top of the connecting screw (7) is threaded to the bottom of the positioning sleeve (9). The top wall of the battery body (1) is provided with an expansion groove (13), which communicates with the interior of the connecting slot (10).

2. The power battery cover plate according to claim 1, characterized in that: Two handles (8) are rotatably mounted on the side wall of the battery cover (2) in a mirror-shaped arrangement.

3. A power battery cover according to claim 2, characterized in that: The bottom wall of the handle (8) is provided with an expansion groove (14) aligned with the connecting screw (7), and the positioning sleeve (9) is aligned with the expansion groove (14).

4. A power battery cover according to claim 3, characterized in that: Both expansion slot one (13) and expansion slot two (14) are trapezoidal slots.

5. A power battery cover according to claim 1, characterized in that: The positioning sleeve (9) is hemispherical.

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