CN224138216U - A battery cover structure - Google Patents

Abstract

The utility model discloses a storage battery upper cover structure, which relates to the technical field of storage battery upper covers and comprises an upper cover body, wherein a plurality of liquid adding holes are arranged on a boss on the upper surface of the upper cover body at intervals in the transverse direction, external threads are arranged on the outer wall of each liquid adding hole, a sealing protective cover is arranged above each liquid adding hole, an internal thread is arranged on the inner wall of each sealing protective cover, a sealing plug is arranged in each sealing protective cover, a limiting component for limiting the rotation of each sealing protective cover is arranged on the outer wall of each sealing protective cover, a reinforcing frame is arranged at the front end of a boss on the upper surface of the upper cover body, each reinforcing frame comprises a plurality of first reinforcing ribs arranged at intervals in the transverse direction, and two groups of second reinforcing ribs arranged at intervals in the front-back direction are arranged between the first reinforcing ribs. The problem of current upper cover strengthening rib distribution position change the place of liquid feeding hole easily, and liquid feeding hole seal protection nature is not enough is solved.

Description

Upper cover structure of storage battery

Technical Field

The utility model relates to the technical field of upper covers of storage batteries, in particular to an upper cover structure of a storage battery.

Background

The accumulator is a device for converting chemical energy into electric energy, and belongs to a rechargeable secondary battery, and the upper cover of the accumulator is an important component of the accumulator, and the main functions of the accumulator include protecting internal electrodes and electrolyte and preventing external substances from entering the accumulator to cause damage or short circuit.

For example, the bulletin number CN213989017U is named as a storage battery upper cover structure, and comprises a cover base surface, wherein two polar posts, a boss and a plurality of liquid adding holes are arranged on the cover base surface, the cover base surface is in a step shape, the two polar posts are respectively arranged at two side corners of the end part of the cover base surface and are flush with the cover base surface, the boss is arranged on the cover base surface and is convexly arranged relative to the base surface, the liquid adding holes are arranged on the boss in a matrix shape, a plurality of rectangular grooves are formed in the boss, reinforcing ribs are arranged in the middle of each rectangular groove, and a plurality of supporting ribs are arranged on the two sides of each reinforcing rib in the length direction.

The upper cover of the storage battery has the following defects that 1, although the strength of the cover body is improved through the reinforcing ribs, the original liquid adding holes are separated by the reinforcing ribs, the liquid adding positions are changed, the suitability is reduced, 2, the liquid adding holes of the upper cover are not provided with a sealing protection structure, dust impurities are easy to enter to influence the safety of the storage battery, and therefore, the upper cover of the storage battery does not meet the existing requirements.

Disclosure of utility model

The utility model aims to provide a storage battery upper cover structure, which solves the problems that the distribution position of the existing upper cover reinforcing ribs in the background art is easy to change the position of a liquid adding hole, and the sealing protection of the liquid adding hole is insufficient.

The upper cover structure of the storage battery comprises an upper cover body, a plurality of liquid adding holes are arranged on a boss on the upper surface of the upper cover body at intervals in the transverse direction, external threads are arranged on the outer wall of the liquid adding holes, a sealing protective cover is arranged above the liquid adding holes, internal threads are arranged on the inner wall of the sealing protective cover, a sealing plug is arranged in the sealing protective cover, a limiting assembly for limiting rotation of the sealing protective cover is arranged on the outer wall of the sealing protective cover, and a reinforcing frame is arranged at the front end of the boss on the upper surface of the upper cover body.

Preferably, the reinforcing frame comprises a plurality of first reinforcing ribs which are transversely arranged at intervals, and two groups of second reinforcing ribs which are arranged at intervals in the front-back direction are arranged between the first reinforcing ribs.

Preferably, the end parts of the first reinforcing ribs and the second reinforcing ribs, which are close to the outer edge of the upper cover body, are respectively provided with an outer edge reinforcing rib, and the outer edge reinforcing ribs are positioned at the outer edge of the side wall of the upper cover body.

Preferably, a pressing ring is arranged on the outer wall of the sealing plug, and a sealing ring is arranged below the pressing ring.

Preferably, the limiting assembly comprises a support, a rotating shaft is arranged between the supports, a clamping plate is arranged on the outer wall of the rotating shaft, and a rotating handle is arranged at one end of the rotating shaft.

Preferably, the limiting assembly further comprises a plurality of clamping blocks arranged on the boss of the upper cover body, clamping grooves are formed in the outer walls of the clamping blocks, and the clamping plates are inserted into the clamping grooves in a rotating mode.

Preferably, the both sides of upper cover body upper surface are provided with negative pole post and positive pole post respectively, the boss lateral part of upper cover body upper surface is provided with ventilative jack.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the liquid adding hole is rotationally combined with the internal thread of the sealing protective cover through the external thread, so that the sealing protective cover protects the liquid adding hole inside, the sealing performance and the protection performance of the liquid adding hole are improved, and when the sealing protective cover is combined with the liquid adding hole, the sealing plug at the inner top of the sealing protective cover is inserted into the liquid adding hole, so that the sealing performance of the liquid adding hole is improved.

(2) After the end part of the sealing plug is plugged into the liquid adding hole for sealing, the plugging position can be limited by the pressure ring, and the sealing ring on the lower surface of the pressure ring is positioned between the pressure ring and the liquid adding hole, so that the sealing ring further seals the opening position of the liquid adding hole, and the sealing protection performance is improved.

(3) The boss front end position department that first strengthening rib and second strengthening rib are used for going up the lid is strengthened, and this additional strengthening is located the boss front end, does not influence the normal mounted position of liquid feeding hole on the boss, and the strengthening rib tip is equipped with outer edge strengthening rib, and this outer edge strengthening rib is located the lateral wall outer edge department of going up the lid, can effectively improve the intensity of going up the lid lateral part, and whole first strengthening rib, second strengthening rib and outer edge strengthening rib are constituteed as an organic wholely, have effectively improved the intensity of the braced frame after constituteing.

(4) After the sealing protective cover is in rotary closure with the liquid adding hole, the rotary shaft is rotated through the rotary handle, the clamping plate is rotationally inserted into the clamping groove at the clamping block, and the clamping groove and the clamping plate are used for limiting the rotation of the sealing protective cover, so that the sealing protective cover is not easy to separate from the liquid adding hole.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of another view angle structure of the whole of the present utility model;

FIG. 3 is a schematic view of the structure of the liquid feeding hole of the present utility model;

FIG. 4 is a schematic view of a seal cover and spacing assembly of the present utility model;

fig. 5 is a schematic view of the structure of the sealing plug of the present utility model;

FIG. 6 is a schematic view of a reinforcement frame structure according to the present utility model;

The device comprises a top cover body, a top cover 101, a negative pole column, a positive pole column, a bottom cover 103, a ventilation plug hole, a reinforcing frame 2, a reinforcing frame 201, a first reinforcing rib 202, a second reinforcing rib 203, an outer edge reinforcing rib 3, a liquid adding hole 301, external threads 4, a sealing protective cover 401, internal threads 402, a sealing plug 403, a compression ring 404, a sealing ring 5, a limiting component 501, a bracket 502, a rotating shaft 503, a clamping plate 504, a rotating handle 505, a clamping block 506 and a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1, 2, 3 and 4, an embodiment of the utility model provides an upper cover structure of a storage battery, which comprises an upper cover body 1, wherein two sides of the upper surface of the upper cover body 1 are respectively provided with a negative pole column 101 and a positive pole column 102, the side part of a boss on the upper surface of the upper cover body 1 is provided with a ventilation plug hole 103, a plurality of filling holes 3 which are transversely arranged at intervals are arranged on the boss on the upper surface of the upper cover body 1, an external thread 301 is arranged on the outer wall of the filling hole 3, a sealing protective cover 4 is arranged above the filling holes 3, an internal thread 401 is arranged on the inner wall of the sealing protective cover 4, a sealing plug 402 is arranged inside the sealing protective cover 4, a limiting component 5 for limiting the rotation of the sealing protective cover 4 is arranged on the outer wall of the sealing protective cover 4, specifically, the sealing protective cover 3 is rotationally combined with the internal thread 401 at the sealing protective cover 4 through the external thread 301, the sealing protective cover 3 is protected inside the filling hole 3, when the sealing protective cover 4 is combined with the hole 3, the sealing protective cover 4 is inserted into the sealing protective cover 3, and the sealing protective cover 3 is improved.

Further, as shown in fig. 5, a pressing ring 403 is disposed on the outer wall of the sealing plug 402, a sealing ring 404 is disposed below the pressing ring 403, after the end portion of the sealing plug 402 is plugged into the filling hole 3 to seal, the pressing ring 403 limits the plugging position, and the sealing ring 404 on the lower surface of the pressing ring 403 is located between the pressing ring 403 and the filling hole 3, so that the sealing ring 404 seals the opening position of the filling hole 3, and sealing protection is improved.

Referring to fig. 6, a reinforcing frame 2 is mounted at the front end of a boss on the upper surface of the upper cover 1, the reinforcing frame 2 includes a plurality of first reinforcing ribs 201 arranged at intervals in a transverse direction, two sets of second reinforcing ribs 202 arranged at intervals in a front-rear direction are disposed between the first reinforcing ribs 201, outer edge reinforcing ribs 203 are disposed at the ends of the first reinforcing ribs 201 and the second reinforcing ribs 202, which are close to the outer edges of the upper cover 1, the outer edge reinforcing ribs 203 are disposed at the outer edges of the side walls of the upper cover 1, the first reinforcing ribs 201 and the second reinforcing ribs 202 are used for reinforcing the boss front end of the upper cover 1, the reinforcing structure is disposed at the boss front end, the normal mounting position of a liquid adding hole 3 on the boss is not affected, the outer edge reinforcing ribs 203 are disposed at the ends of the reinforcing ribs, the outer edge reinforcing ribs 203 are disposed at the outer edges of the side walls of the upper cover 1, the strength of the side parts of the upper cover 1 can be effectively improved, the whole first reinforcing ribs 201, the second reinforcing ribs 202 and the outer edge reinforcing ribs 203 are integrally formed, and the strength of the formed reinforcing ribs 2 is effectively improved.

Referring to fig. 2 and 4, the limiting component 5 includes a bracket 501, a rotating shaft 502 is disposed between the brackets 501, a clamping plate 503 is disposed on an outer wall of the rotating shaft 502, a rotating handle 504 is disposed at one end of the rotating shaft 502, a plurality of clamping blocks 505 are mounted on a boss of the upper cover 1, clamping grooves 506 are disposed on an outer wall of the clamping blocks 505, the clamping plate 503 is rotatably inserted into the clamping grooves 506, after the sealing protective cover 4 is rotatably closed with the liquid adding hole 3, the rotating shaft 502 is rotated through the rotating handle 504, the clamping plate 503 is rotatably inserted into the clamping grooves 506 at the clamping blocks 505, and the clamping grooves 506 and the clamping plate 503 are used for rotationally limiting the sealing protective cover 4, so that the sealing protective cover 4 is not easy to separate from the liquid adding hole 3.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The upper cover structure of the storage battery comprises an upper cover body (1) and is characterized in that a plurality of liquid adding holes (3) which are transversely arranged at intervals are arranged on a boss on the upper surface of the upper cover body (1), external threads (301) are arranged on the outer wall of the liquid adding holes (3), a sealing protection cover (4) is arranged above the liquid adding holes (3), an internal thread (401) is arranged on the inner wall of the sealing protection cover (4), a sealing plug (402) is arranged in the sealing protection cover (4), a limiting component (5) used for limiting rotation of the sealing protection cover is arranged on the outer wall of the sealing protection cover (4), and a reinforcing frame (2) is arranged at the front end of the boss on the upper surface of the upper cover body (1).

2. The upper cover structure of a storage battery according to claim 1, wherein the reinforcing frame (2) comprises a plurality of first reinforcing ribs (201) which are transversely arranged at intervals, and two groups of second reinforcing ribs (202) which are arranged at intervals in the front-back direction are arranged between the first reinforcing ribs (201).

3. The upper cover structure of a storage battery according to claim 2, wherein the ends of the first reinforcing ribs (201) and the second reinforcing ribs (202) close to the outer edge of the upper cover body (1) are respectively provided with an outer edge reinforcing rib (203), and the outer edge reinforcing ribs (203) are positioned at the outer edges of the side walls of the upper cover body (1).

4. The upper cover structure of a storage battery according to claim 1, wherein a pressing ring (403) is arranged on the outer wall of the sealing plug (402), and a sealing ring (404) is arranged below the pressing ring (403).

5. The upper cover structure of a storage battery according to claim 1, wherein the limiting assembly (5) comprises brackets (501), a rotating shaft (502) is arranged between the brackets (501), a clamping plate (503) is arranged on the outer wall of the rotating shaft (502), and a rotating handle (504) is arranged at one end of the rotating shaft (502).

6. The upper cover structure of a storage battery according to claim 5, wherein the limiting assembly (5) further comprises a plurality of clamping blocks (505) arranged on the boss of the upper cover body (1), clamping grooves (506) are formed in the outer walls of the clamping blocks (505), and the clamping plates (503) are inserted into the clamping grooves (506) in a rotating mode.

7. The upper cover structure of a storage battery according to claim 1, wherein the two sides of the upper surface of the upper cover body (1) are respectively provided with a negative pole column (101) and a positive pole column (102), and the boss side part of the upper surface of the upper cover body (1) is provided with a ventilation plug hole (103).