CN205985237U

CN205985237U - Lead acid battery's upper cover structure

Info

Publication number: CN205985237U
Application number: CN201620942684.1U
Authority: CN
Inventors: 戴增实
Original assignee: QUANZHOU YUCYR TRAFFIC APPLIANCES Co
Current assignee: QUANZHOU YUCYR TRAFFIC APPLIANCES Co
Priority date: 2016-08-26
Filing date: 2016-08-26
Publication date: 2017-02-22
Anticipated expiration: 2026-08-26

Abstract

The utility model provides a lead acid battery's upper cover structure, including lid and apron, seted up a plurality of liquid adding hole on the lid, each the last screwed connection respectively of liquid adding hole has sealing joint, sealing joint has the inner chamber, just sealing joint's upper end seted up with the exhaust hole of inner chamber intercommunication, lower extreme have been offered and have been used for the intercommunication the opening of inner chamber and the internal corresponding cavity of battery box, interior intracavity is provided with the sprue, a plurality of hole grooves have been seted up on the sprue, the hole groove with the lateral wall of inner chamber forms tortuous gas passage jointly. When the gas passage was flowed through with gas to the acid mist that produces when each cavity of the battery box body, owing to receive stopping of gas passage, the acid mist formed the acidizing fluid on the lateral wall of gas passage, and in each cavity that flows back, gas then passing through gases passageway is discharged with the exhaust hole, and owing to not controlling proportion, production efficiency is higher relatively, simultaneously sealing joint and lid screwed connection connect comparatively firmly, and the structure is comparatively stable.

Description

A kind of superstructure of lead-acid accumulator

Technical field

This utility model is related to a kind of lead-acid accumulator accessory structure, especially a kind of superstructure of lead-acid accumulator.

Background technology

Lead-acid accumulator is widely used in daily life and industrial every field, such as automobile, steamer, aircraft and photograph Bright etc..Known lead-acid accumulator generally comprises casing, Shang Gai, plural groups grid, binding post and sulphuric acid, and casing is tied for hollow Structure, each grid is respectively arranged in casing, forms a plurality of chambers in casing, and upper cover seal is covered on casing so that each chamber Room is separate, and sulphuric acid fills in each within the chamber, two binding posts located at casing or on cover, each grid is sequentially connected in series or in parallel Electrically connect with binding post more afterwards.

The outer surface of upper lid offers strip connected in star, offers a plurality of liquid filling holes, liquid filling hole is provided with groove Closed structure, the quality of this closed structure directly influences the production process of lead-acid accumulator.The patent that the applicant once obtained Number disclose a kind of superstructure of lead-acid accumulator, including lid and lid for the Chinese invention patent of ZL200910042052.4 Plate, lid offers a plurality of filling openings that correspondence respectively leads to each chamber of secondary battery jar；Cover respectively on each filling opening It is provided with block, cover plate removable cover, on each filling opening, above-mentioned block offers steam vent, above-mentioned each filling opening and accumulator Being respectively equipped between each corresponding chamber of casing can be according to the closed structure setting pressure automatic valve opening, and this closed structure includes close Degree is less than water and acidproof ball and the cavity housing this ball, and above-mentioned cavity has the space fluctuated for above-mentioned ball； Above-mentioned cavity is divided into upper cavity, middle cavity and lower chamber, and above-mentioned upper cavity is connected with above-mentioned filling opening and cross-sectional diameter is big In the diameter of above-mentioned ball, the cavity wall of above-mentioned middle cavity is identical cambered surface airtight with the partial outer face of above-mentioned ball, above-mentioned Lower chamber be connected with the corresponding chambers of secondary battery jar and cross-sectional diameter be less than above-mentioned ball diameter.This adopts above-mentioned close Close structure, lid does not need arrange acid solution recovery structure, cover plate can be arranged in activity, simplifies production process, but actual The bad control of the proportion of ball in production, positioning wedged block and locating groove are passed through in impact between production efficiency, and block and lid It is connected with each other, connectivity robustness is relatively low, structure is not sufficiently stable.

In view of this, the applicant conducts in-depth research to the superstructure of lead-acid accumulator, then has this case to produce.

Utility model content

The purpose of this utility model is to provide a kind of production efficiency of a relatively high and constitutionally stable lead-acid accumulator Superstructure.

To achieve these goals, this utility model adopts the following technical scheme that：

A kind of superstructure of lead-acid accumulator, including lid and cover the cover plate on described lid, on described lid Offer a plurality of liquid filling holes corresponding to each chamber in accumulator box body respectively, each described liquid filling hole is respectively screw and is connected with Seal nipple, described seal nipple has inner chamber, and the upper end of described seal nipple offers the aerofluxuss with described inner space Hole, lower end offers the opening for connecting corresponding cavity room in described inner chamber and accumulator box body, and described interior intracavity is provided with stifled Block, described sprue offers multiple hole slots, and described hole slot is collectively forming tortuous gas passage with the side wall of described inner chamber.

As a kind of improvement of the present utility model, described interior intracavity is additionally provided with the air filter piece above described sprue.

As a kind of improvement of the present utility model, the upper end of described seal nipple is provided with the handle being easy to rotate or spanner Position.

As a kind of improvement of the present utility model, the side wall of described seal nipple offer logical with described inner space Hole.

As of the present utility model a kind of improve, described lid is provided with draw-in groove, described cover plate is provided with described The buckle of draw-in groove cooperation.

Using technique scheme, this utility model has the advantages that：

1st, pass through gas passage plug being set and forming complications, when the acid mist that each chamber of secondary battery jar produces is gentle During body gas coming through passage, due to being stopped by gas passage, acid mist forms acid solution on the side wall of gas passage, is back to Each within the chamber, gas then passes through gas passage and steam vent is discharged, compared with the technical scheme of existing use ball, due to being not required to Proportion to be controlled, production efficiency is of a relatively high；Simultaneously as seal nipple and lid spiral connect, connect more firm, structure Relatively stable.

2nd, adopt the structure of seal nipple of the present utility model as closed structure, lid does not need arrange acid solution recovery Structure, can be connected with each other using the structure that draw-in groove and buckle match, connects more convenient, production efficiency is of a relatively high.

Brief description

Fig. 1 is the schematic diagram of the superstructure of this utility model lead-acid battery, and in figure omits cover plate；

Fig. 2 is the cutting structural representation of the superstructure of this utility model lead-acid battery；

Fig. 3 is the partial enlarged drawing of position at A in Fig. 2.

It is as follows that in figure indicates correspondence：

10- lid；11- recess；

12- draw-in groove；13- liquid filling hole；

14- observation port；15- positive terminal；

16- negative terminal；20- cover plate；

21- buckle；30- seal nipple；

31- shade；32- inner chamber；

33- steam vent；34- opening；

35- through hole；36 handles or spanner position；

40- sealing ring；50- plug；

60- air filter piece.

Specific embodiment

With specific embodiment, this utility model is described further below in conjunction with the accompanying drawings.

As shown in Figure 1, Figure 2 and Figure 3, the superstructure of the lead-acid accumulator that the present embodiment provides, including lid 10 and lid It is combined in the cover plate 20 on lid 10.The top of lid 10 has recess 11, this recess 11 is provided with draw-in groove 12, recess 11 simultaneously On offer a plurality of respectively correspond to accumulator box bodies in each chamber liquid filling holes 13, that is to say and be provided with draw-in groove on lid 10 12, a plurality of liquid filling holes 13 corresponding to each chamber in accumulator box body respectively are offered on lid 10 simultaneously；Under cover plate 20 Portion is provided with the buckle 21 with draw-in groove 12 cooperation, and cover plate 20 is fastened on draw-in groove 12 by buckle 21 and covers on recess 11, covers Above each liquid filling hole 13, connect more convenient, be conducive to improve production efficiency.

Additionally, being additionally provided with electricity observation port 14, positive terminal 15 and negative terminal 16 etc. on lid 10, these are all The structure that the top cover for lead-acid accumulator being conventional just has, no longer describes in detail herein.

It is respectively screw on each liquid filling hole 13 and is connected with seal nipple 30, in liquid filling hole 13, be provided with female thread, sealing knot It is provided with external screw thread, by the connection realized between sealing structure 30 and liquid filling hole 13 that cooperates of internal and external threads on structure 30. Meanwhile, seal nipple 30 has the shade 31 with diameter greater than liquid filling hole 13, is provided with and is set in seal nipple 30 below shade 31 On sealing ring 40, when seal nipple 30 spiral is connected on liquid filling hole 13, sealing ring 40 is pressed in shade 31 and lid Between 10, form sealing.

Seal nipple 30 has inner chamber 32, and the upper end of seal nipple 30 offers the steam vent 33 connecting with inner chamber 32, Lower end offers the opening 34 for corresponding cavity room in communication with cavity 32 and accumulator box body, and the side wall of seal nipple 30 opens up There is the through hole 35 connecting with inner chamber 32.Additionally, in the present embodiment, the upper end of seal nipple 30 is additionally provided with is easy to rotatory sealing The handle of structure 30 or spanner position 36.

The air filter piece 60 being provided with sprue 50 in inner chamber 32 and being located at sprue 50 top, sprue 50 offers multiple holes Groove, the side wall of these hole slots and inner chamber 32 is collectively forming complications, mazy gas passage, the hole slot on sprue 50 concrete Shape and position can be arranged according to actual needs it is only necessary to guarantee that these hole slots can be collectively forming song with the side wall of inner chamber 32 Folding, mazy gas passage, guarantee that the liquid in gas passage can be under gravity from gas passage simultaneously Lower end is flowed out.

When the upper lid of the present embodiment is installed, only air filter piece 60 and sprue 50 need to be put in inner chamber 32 from opening 34 successively, Sealing ring 40 is enclosed within seal nipple 30, spiral is connected to down then seal nipple 30 to be had the side of opening 34 simultaneously So that sealing ring 40 is pressed between shade 31 and lid 10 on liquid filling hole 13, then draw-in groove 12 is fastened on by buckle 21 makes Obtain cover plate 20 to cover on the recess 11 of lid 10, you can complete to install, production efficiency is of a relatively high, and connect more firm.

During chemical conversion treatment or use, when the acid mist of each chamber generation of secondary battery jar and gas gas coming through lead to During road, due to being stopped by gas passage, acid mist condenses formation acid solution on the side wall of gas passage, is back to each chamber Interior, gas then passes through gas passage and steam vent is discharged, if acid mist amount is larger, fails on a small quantity to condense in gas passage side wall On acid mist flow through and can be adsorbed by air filter piece 60 during air filter piece 60, thus realize becoming flat not running the purpose of acid, limit sulphuric acid and water Loss, extend accumulator service life, it is to avoid pollution environment.

Above in conjunction with accompanying drawing, this utility model is described in detail, but embodiment of the present utility model not only It is limited to above-mentioned embodiment, those skilled in the art can make various modifications to this utility model according to prior art, such as will Sealing ring 40 in above-described embodiment is changed to sealing ring etc., and these broadly fall into protection domain of the present utility model.

Claims

1. a kind of superstructure of lead-acid accumulator, including lid and cover the cover plate on described lid, described lid is opened It is provided with a plurality of liquid filling holes corresponding to each chamber in accumulator box bodies respectively it is characterised in that distinguishing on each described liquid filling hole Spiral is connected with seal nipple, and described seal nipple has inner chamber, and the upper end of described seal nipple offers and described inner chamber The steam vent of connection, lower end offers the opening for connecting corresponding cavity room in described inner chamber and accumulator box body, described inner chamber Inside it is provided with sprue, described sprue offers multiple hole slots, described hole slot is collectively forming complications with the side wall of described inner chamber Gas passage.

2. the superstructure of lead-acid accumulator as claimed in claim 1 is it is characterised in that described interior intracavity is additionally provided with and is located at Air filter piece above described sprue.

3. the superstructure of lead-acid accumulator as claimed in claim 1 is it is characterised in that the upper end of described seal nipple is arranged There are the handle being easy to rotate or spanner position.

4. the superstructure of lead-acid accumulator as claimed in claim 1 is it is characterised in that open on the side wall of described seal nipple It is provided with the through hole with described inner space.

5. the superstructure of the lead-acid accumulator as described in any claim in claim 1-4 is it is characterised in that described lid Draw-in groove is provided with body, described cover plate is provided with the buckle with the cooperation of described draw-in groove.