CN213752844U

CN213752844U - Power battery aluminum-based alloy cover plate with good sealing performance

Info

Publication number: CN213752844U
Application number: CN202023263539.6U
Authority: CN
Inventors: 刘海涛
Original assignee: Jingjiang East Amperex Technology Ltd
Current assignee: Jingjiang East Amperex Technology Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-07-20
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses an aluminium base alloy apron of power battery with good sealing performance, including apron, interior eye-splice and connect the condenser, the bottom fixedly connected with eye-splice of apron, install the rubber packing pad that the cross-section is L type structure between the lower terminal surface of apron and the outside of interior eye-splice, the outside of interior eye-splice is located the below of rubber packing pad and has seted up the spout, the inboard sliding connection of spout has the slider, the outside cover of slider is equipped with rubber seal. The utility model discloses in, at first, adopt and synthesize formula seal structure, can carry out the sealed processing of synthesizing with the space department between apron and the power battery, reduced the production of power battery weeping phenomenon to promote the sealed effect after the apron is packed into, secondly, adopt swift formula to connect the electric structure, the cable of being convenient for and the electricity between the apron connect the processing, both promoted the convenience of connecing the electricity operation, also promoted the sealed effect after the cable connects the electricity simultaneously.

Description

Power battery aluminum-based alloy cover plate with good sealing performance

Technical Field

The utility model relates to a power battery subassembly technical field especially relates to an aluminium base alloy apron of power battery with good sealing performance.

Background

The power battery is a power source for providing power source for the tool, and is a storage battery for providing power for electric automobiles, electric trains, electric bicycles and golf carts. Which is mainly distinguished from a starting battery for starting an engine of an automobile. Valve-port sealed lead-acid batteries, open tubular lead-acid batteries and lithium iron phosphate batteries are mostly used. However, the existing aluminum-based alloy cover plate of the power battery still has the defects that: most do not be equipped with seal structure, after the apron was installed on power battery, still need carry out the injecting glue to the gap department between apron and the power battery and handle, but along with the increase of service life, the sealed effect between power battery and the apron just can progressively descend, easily leads to the production of power battery weeping phenomenon.

Disclosure of Invention

The utility model aims to provide a: the aluminum-based alloy cover plate with the good sealing performance for the power battery is provided in order to solve the problem that the gap between the power battery and the cover plate is difficult to be comprehensively sealed because the traditional aluminum-based alloy cover plate for the power battery is mostly not provided with a sealing structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an aluminium base alloy apron of power battery with good sealing performance, includes apron, interior eye-splice and connects the electric cylinder, the eye-splice in the bottom fixedly connected with of apron, install the rubber packing pad that the cross-section is L type structure between the lower terminal surface of apron and the outside of interior eye-splice, the outside of interior eye-splice is located the below of rubber packing pad and has seted up the spout, the inboard sliding connection of spout has the slider, the outside cover of slider is equipped with rubber seal, the inboard of spout is located and installs M type shell fragment between eye-splice and the slider, two montage flashlights of the top symmetry fixedly connected with of apron.

As a further description of the above technical solution:

mounting holes are formed in the two ends of the cover plate.

As a further description of the above technical solution:

and two groups of insulating sleeves for covering the flashlight are symmetrically and fixedly connected to the top of the cover plate.

As a further description of the above technical solution:

the outer sides of the two groups of insulation sleeves are symmetrically and fixedly connected with two groups of rubber valves which are mutually attached.

As a further description of the above technical solution:

the tops of the two groups of insulation sleeves are connected with vertically distributed adjusting screws in a screwing mode.

As a further description of the above technical solution:

the bottom end of the adjusting screw rod is positioned on the inner side of the insulating sleeve and is rotatably connected with a pressing plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, a comprehensive sealing structure is adopted, a rubber sealing gasket is arranged between a cover plate and an inner inserting buckle, a sliding block, a rubber sealing ring and an M-shaped elastic sheet are arranged, when the cover plate is arranged at the top of a power battery through a fastener and a mounting hole, the rubber sealing gasket can be extruded between the cover plate and the power battery, thereby the gap between the cover plate and the outer side of the power battery is subjected to the first-step blocking sealing treatment, and simultaneously, after the inner inserting buckle is inserted into the power battery, under the action of contact extrusion force, the sliding block can slide inwards in a sliding groove and extrude the M-shaped elastic sheet, and the M-shaped elastic sheet can generate reverse extrusion force, thereby the rubber sealing ring is extruded and attached to the inner surface wall of the power battery, thereby the gap between the cover plate and the inner side of the power battery is subjected to the second-step extrusion sealing treatment, and the structure can carry out comprehensive sealing treatment on the gap between the cover plate and the power battery, the leakage phenomenon of the power battery is reduced, and the sealing effect of the cover plate after being installed is improved.

2. The utility model discloses in, adopt swift formula to connect the electric structure, the outside that is located to connect the torch at the top of apron is equipped with insulating cover, rubber valve, adjusting screw and clamp plate, can insert the cable through two sets of rubber valves insulating cover and connect between the torch, when gripping and rotating adjusting screw, adjusting screw alright drive clamp plate downstream in insulating cover, thereby fix the cable extrusion between insulating cover and connect the torch, this kind of structure is convenient for connect the electric processing between cable and the apron, both promoted the convenience of connecting the electric operation, sealed effect after the cable connects the electricity has also been promoted simultaneously.

Drawings

FIG. 1 is a schematic diagram of a power battery aluminum-based alloy cover plate with good sealing performance according to the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic cross-sectional view of the middle insulation sleeve of the present invention.

Illustration of the drawings:

1. a cover plate; 101. mounting holes; 2. an inner eye-splice; 201. a chute; 3. connecting an electric torch; 4. a rubber gasket; 5. a slider; 6. a rubber seal ring; 7. an insulating sleeve; 701. a rubber flap; 702. adjusting the screw rod; 703. pressing a plate; 8. m type shell fragment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an aluminium base alloy apron of power battery with good sealing performance, which comprises a cover plate 1, interior interpolation is detained 2 and is connect electric cylinder 3, interior interpolation of the bottom fixedly connected with of apron 1 is detained 2, install the rubber packing pad 4 that the cross-section is L type structure between the lower terminal surface of apron 1 and the outside of interpolation knot 2, spout 201 has been seted up to the outside that interior interpolation is detained 2 and is located the below that rubber packing pad 4 is located, the inboard sliding connection of spout 201 has slider 5, the outside cover of slider 5 is equipped with rubber seal 6, install M type shell fragment 8 between 2 and the slider 5 of the inboard of spout 201 is located, two montage flashlights 3 of the symmetrical fixedly connected with in top of apron 1.

Specifically, as shown in fig. 1 and 3, mounting hole 101 has all been seted up at the both ends of apron 1, the insulating cover 7 that two sets of cladding of the top symmetry fixedly connected with of apron 1 connect torch 3, two sets of rubber valve 701 that laminate each other of the equal symmetry fixedly connected with in outside of two sets of insulating covers 7, the top of two sets of insulating covers 7 all closes soon and is connected with adjusting screw 702 that is vertical distribution, the bottom of adjusting screw 702 is located the inboard rotation of insulating cover 7 and is connected with clamp plate 703, the setting of mounting hole 101, be convenient for apron 1 installs on power battery through the fastener, the setting of insulating cover 7, can will connect torch 3 to surround insulating processing, the setting of rubber valve 701, can carry out dynamic seal processing with the space department between insulating cover 7 and the cable.

The working principle is as follows: when the sealing device is used, the cover plate 1 is vertically inserted downwards into the top of the power battery, after the cover plate 1 is inserted into the power battery, the cover plate 1 can be installed on the power battery through the fastening piece and the installation hole 101, after the cover plate 1 is installed on the top of the power battery, the rubber sealing gasket 4 can be extruded between the cover plate 1 and the power battery, so that the gap between the cover plate 1 and the outer side of the power battery is subjected to first-step blocking sealing treatment, meanwhile, after the inner inserting buckle 2 is inserted into the power battery, under the action of contact extrusion force, the sliding block 5 can slide inwards in the sliding groove 201 and extrude the M-shaped elastic sheet 8, meanwhile, the M-shaped elastic sheet 8 can generate reverse extrusion force, so that the rubber sealing ring 6 is extruded and attached to the inner surface wall of the power battery, so that the gap between the cover plate 1 and the inner side of the power battery is subjected to second-step extrusion sealing treatment, and comprehensive sealing treatment after the cover plate 1 is installed is completed, when the cable needs to be installed on the cover plate 1, the cable can be inserted between the insulating sleeve 7 and the power connection barrel 3 through the two groups of rubber valves 701, when the adjusting screw 702 is held and rotated, the adjusting screw 702 can drive the pressing plate 703 to move downwards in the insulating sleeve 7, so that the cable is extruded and fixed between the insulating sleeve 7 and the power connection barrel 3, and the installation and the fixing treatment between the cable and the cover plate 1 are completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An aluminum-based alloy cover plate with good sealing performance for a power battery comprises a cover plate (1), an inner inserting buckle (2) and an electric connecting cylinder (3), it is characterized in that the bottom of the cover plate (1) is fixedly connected with an inner eye-splice (2), a rubber gasket (4) with an L-shaped section is arranged between the lower end surface of the cover plate (1) and the outer side of the inner inserting buckle (2), a sliding groove (201) is arranged on the outer side of the inner insert buckle (2) and below the rubber sealing gasket (4), the inner side of the sliding chute (201) is connected with a sliding block (5) in a sliding way, the outer side of the sliding block (5) is sleeved with a rubber sealing ring (6), an M-shaped elastic sheet (8) is arranged between the inner eye-splice (2) and the sliding block (5) at the inner side of the sliding chute (201), the top of the cover plate (1) is symmetrically and fixedly connected with two groups of electric torches (3).

2. The power battery aluminum-based alloy cover plate with good sealing performance as claimed in claim 1, wherein both ends of the cover plate (1) are provided with mounting holes (101).

3. The aluminum-based alloy cover plate with good sealing performance for the power battery as claimed in claim 2, wherein two groups of insulating sleeves (7) covering the connecting torch (3) are symmetrically and fixedly connected to the top of the cover plate (1).

4. The power battery aluminum-based alloy cover plate with good sealing performance as claimed in claim 3, wherein two sets of rubber flaps (701) attached to each other are symmetrically and fixedly connected to the outer sides of the two sets of insulation sleeves (7).

5. The power battery aluminum-based alloy cover plate with good sealing performance as claimed in claim 4, wherein the top of each of the two groups of insulating sleeves (7) is screwed with a vertically distributed adjusting screw (702).

6. The power battery aluminum-based alloy cover plate with good sealing performance as claimed in claim 5, wherein the bottom end of the adjusting screw (702) is located at the inner side of the insulating sleeve (7) and is rotatably connected with a pressure plate (703).