CN217361709U

CN217361709U - Electrode rivet structure for lead-acid battery

Info

Publication number: CN217361709U
Application number: CN202123394341.6U
Authority: CN
Inventors: 宋正东; 沈进军; 向传明
Original assignee: Kunshan Runzhengxin Hardware Technology Co ltd
Current assignee: Kunshan Runzhengxin Hardware Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-09-02
Anticipated expiration: 2031-12-30

Abstract

The utility model belongs to the technical field of electrode fixing structures, in particular to an electrode rivet structure for a lead-acid battery, which comprises a riveting structure, wherein a supporting component for increasing the connection strength is arranged at the outer side of the riveting structure, and the supporting component comprises a connecting clamping piece and a bottom connecting piece; before with hydrochloric acid battery electrode slice welding, through inserting the post through the electrode slice trompil with the end, make the top of connecting clamping piece and end connection piece all arrange the electrode slice in, later arrange the electrode slice bottom in through the part of buckling end connection piece, intelligence is marine to buckle the end connection piece of unnecessary part through separating the indentation according to electrode slice length and tear off, will connect the clamping piece, the contact surface between end connection piece and the electrode slice passes through the electric tin welding, through connecting the contact connection face between clamping piece and the increase of end connection piece and the connection pad, when improving the joint strength between electrode slice and the riveted structure, reduce the less operation degree of difficulty that causes of welding point, prevent to appear droing between connection clamping piece and end connection pad.

Description

Electrode rivet structure for lead-acid battery

Technical Field

The utility model belongs to the technical field of the electrode fixed knot constructs, concretely relates to electrode rivet structure for lead acid battery.

Background

The lead-acid battery is an electrode, mainly made of lead and its oxide, and uses sulfuric acid solution as electrolyte; in a discharge state of the lead-acid battery, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; in the charged state of the lead-acid battery, the main components of the positive electrode and the negative electrode are lead sulfate.

The existing method for fixing the electrode of the hydrochloric acid battery is usually realized by welding the electrode rivet, but because the contact surface of the electrode rivet and the electrode of the battery is limited by the size of the electrode, the welding point reliability is poor due to the undersize of the welding surface caused by the smaller specification of the electrode plate in the welding process, and the welding difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electrode rivet structure for lead acid battery has the characteristics that increase the face of weld improves the welding reliability and reduces the welding degree of difficulty.

The utility model provides a following technical scheme: the utility model provides an electrode rivet structure for lead acid battery, includes riveted structure, riveted structure's the outside is equipped with the supporting component who is used for increasing joint strength, the supporting component is including connecting clamping piece and end connection piece, connect the clamping piece with end connection piece integrated into one piece, just the equidistant separation indentation that distributes of a plurality of is seted up to the bottom of end connection piece, the outside of supporting component is equipped with and is used for improving connect the clamping piece with end connection piece welding back joint strength's solder joint strengthening part.

The riveting structure comprises a top connecting column, a connecting gasket and a bottom inserting column, the top connecting column and the bottom inserting column are integrally formed, the connecting gasket is sleeved on the outer side of the bottom inserting column, and the connecting clamping piece is fixedly connected with the connecting gasket.

The welding spot reinforcing component comprises two auxiliary welding seats and a welding strip, wherein the two auxiliary welding seats are mutually symmetrical, the two auxiliary welding seats are respectively and fixedly connected with the connecting clamping piece and the bottom connecting piece, and the upper end and the lower end of the welding strip are respectively welded on the inner sides of the two auxiliary welding seats.

Wherein, be equipped with one between the connection clamping piece with the end connection piece and reduce the gravure of buckling of the operation degree of difficulty of buckling.

And a conductive coating is sprayed on one side surface of the connecting clamping piece opposite to the bottom connecting piece.

The middle position of the bottom connecting sheet is provided with a hollow groove for the bottom inserting column to extend out.

The utility model has the advantages that: before with hydrochloric acid battery electrode slice welding, through inserting the post through the electrode slice trompil with the end, make the top of connecting clamping piece and end connection piece all arrange the electrode slice in, later arrange the electrode slice bottom in through the part of buckling end connection piece, intelligence is marine to buckle the end connection piece of unnecessary part through separating the indentation according to electrode slice length and tear off, will connect the clamping piece, the contact surface between end connection piece and the electrode slice passes through the electric tin welding, through connecting the contact connection face between clamping piece and the increase of end connection piece and the connection pad, when improving the joint strength between electrode slice and the riveted structure, reduce the less operation degree of difficulty that causes of welding point, prevent to appear droing between connection clamping piece and end connection pad.

The parts of the device not involved are the same as or can be implemented using prior art.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the support assembly of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

fig. 4 is a top view of the present invention.

In the figure: 1. riveting structure; 11. a top attachment post; 12. connecting a gasket; 13. inserting a column at the bottom; 2. a support assembly; 201. bending and gravure printing; 21. connecting the clamping pieces; 22. a bottom connecting sheet; 221. separating the indentations; 23. a conductive coating; 24. hollowing out the grooves; 3. a solder joint reinforcement member; 31. an auxiliary welding seat; 32. and (6) welding the strips.

Detailed Description

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides an electrode rivet structure for lead acid battery, includes riveting structure 1, riveting structure 1's the outside is equipped with the supporting component 2 that is used for increasing joint strength, supporting component 2 is including connecting clamping piece 21 and end connection piece 22, connecting clamping piece 21 and end connection piece 22 integrated into one piece, and the bottom of end connection piece 22 sets up the partition indentation 221 that a plurality of equidistant distribution, the outside of supporting component 2 is equipped with the solder joint strengthening part 3 that is used for improving joint strength after connecting clamping piece 21 and the welding of end connection piece 22.

In this embodiment: through will connect clamping piece 21 and end connection piece 22 and insert respectively after the electrode slice at riveted structure 1 and press from both sides the upper and lower both sides of locating the electrode slice and improve and the contact surface between the electrode slice, accessible connection clamping piece 21 and end connection piece 22 improve the welding operation face between riveted structure 1 and the electrode slice with electrode slice welding back, and can buckle to the electrode slice bottom subsides back at end connection piece 22 owing to the setting of separating indentation 221, tear the surplus part along separating indentation 221 and get rid of, avoid because of the unnecessary connection influence to the electrode slice body that causes of end connection piece 22 length, improve the practicality of use, and after connecting clamping piece 21 and end connection piece 22 and electrode slice welding, setting up of solder joint strengthening member 3 plays supplementary increase and connects between clamping piece 21 and the end connection piece 22 joint strength, make connection clamping piece 21 and end connection piece 22 more be difficult for droing after the welding.

The riveting structure 1 comprises a top connecting column 11, a connecting gasket 12 and a bottom inserting column 13, wherein the top connecting column 11 and the bottom inserting column 13 are integrally formed, the connecting gasket 12 is sleeved outside the bottom inserting column 13, and a connecting clamping piece 21 is fixedly connected with the connecting gasket 12; the bottom plug column 13 at the bottom of the top connecting column 11 is inserted into the electrode plate mounting hole to realize positioning, and the contact between the connecting gasket 12 and the electrode plate plays a role in a basic welding connecting surface.

The welding spot reinforcing component 3 comprises two mutually symmetrical auxiliary welding seats 31 and a welding strip 32, the two auxiliary welding seats 31 are respectively and fixedly connected with the connecting clamping piece 21 and the bottom connecting piece 22, and the upper end and the lower end of the welding strip 32 are respectively welded on the inner sides of the two auxiliary welding seats 31; after the preliminary welding between the connecting clamping piece 21 and the bottom connecting piece 22 and the electrode plate is completed, the welding strip 32 is erected on the inner side of the auxiliary welding seat 31 to perform auxiliary tin welding between the auxiliary welding seat 31 and the welding strip 32, so that the effect of increasing the connectivity between the connecting clamping piece 21 and the bottom connecting piece 22 is achieved, the connecting clamping piece 21 and the bottom connecting piece 22 are prevented from being separated from the electrode plate after being welded, and the welding reliability is improved.

A bending gravure 201 for reducing the bending operation difficulty is arranged between the connecting clamping piece 21 and the bottom connecting piece 22; the connecting clamping piece 21 and the bottom connecting piece 22 are in the same horizontal state before the bottom inserting column 13 is inserted into the electrode piece hole, and the bottom connecting piece 22 can be directly bent to be attached to the bottom of the electrode piece through the bending gravure 201 after the bottom inserting column 13 is inserted into the electrode piece hole, so that the contact surface effect during welding is improved.

A conductive coating 23 is sprayed on one side surface of the connecting clamping piece 21 opposite to the bottom connecting piece 22; the connecting clamping piece 21 and the bottom connecting piece 22 are made of copper sheets with conductive coatings 23 (tin) sprayed on the surfaces, and the connecting clamping piece 21 and the bottom connecting piece 22 ensure the connecting strength after electric tin welding and simultaneously do not influence the conductivity.

The middle position of the bottom connecting sheet 22 is provided with a hollow groove 24 for the bottom inserting column 13 to extend through; the arrangement of the hollow-out groove 24 provides an embedding space for the bottom plug-in post 13 after the bottom connecting sheet 22 is bent, and the bottom plug-in post 13 cannot be influenced in the state of inserting the electrode sheet.

The utility model discloses a theory of operation and use flow: before welding with an electrode plate of a hydrochloric acid battery, the bottom inserting column 13 penetrates through an opening of the electrode plate, so that the connecting clamping piece 21 and the bottom connecting piece 22 are both arranged at the top of the electrode plate, then the bottom connecting piece 22 begins to be bent through the bending gravure 201 part, the part of the bottom connecting piece 22 in the supporting component 2 is arranged at the bottom of the electrode plate, the bottom inserting column 13 is slidably arranged at the inner side of a hollow groove 24 formed in the bottom connecting piece 22, then the bottom connecting piece 22 of the redundant part can be bent and torn off through a separation indentation 221 according to the length of the electrode plate, the adaptability is improved, the contact surfaces between the connecting clamping piece 21 and the electrode plate 22 and the electrode plate are welded through electric tin, the contact connecting surface between the connecting clamping piece 21 and the bottom connecting piece 22 and the electrode plate is increased, the connecting strength between the electrode plate and the riveting structure 1 can be improved after welding, and the operation difficulty caused by small welding point is reduced, the welding strip 32 can be filled into the position between the two auxiliary welding seats 31 and then subjected to repair welding through tin, so that the welding strength between the connecting clamping piece 21 and the bottom connecting piece 22 is increased, the welding strip is stably attached to the electrode plates, and the connecting clamping piece 21, the bottom connecting piece 22 and the connecting gasket 12 are prevented from falling off, so that the connecting strength is further improved.

Claims

1. An electrode rivet structure for a lead-acid battery, comprising a riveted structure (1), characterized in that: the outside of riveted structure (1) is equipped with supporting component (2) that are used for increasing joint strength, supporting component (2) are including connecting clamping piece (21) and end connection piece (22), connect clamping piece (21) with end connection piece (22) integrated into one piece, just a plurality of equidistant distribution's separation indentation (221) is seted up to the bottom of end connection piece (22), the outside of supporting component (2) is equipped with and is used for improving connect clamping piece (21) with end connection piece (22) welding back joint strength's solder joint strengthening part (3).

2. An electrode rivet structure for a lead-acid battery according to claim 1, characterized in that: riveted structure (1) inserts post (13) including top connection post (11), connecting pad (12) and end, top connection post (11) with end inserts post (13) integrated into one piece, connecting pad (12) cover is located the outside of end inserted post (13), connecting clamping piece (21) with connecting pad (12) fixed connection.

3. An electrode rivet structure for a lead-acid battery according to claim 1, characterized in that: the welding spot reinforcing part (3) comprises two mutually symmetrical auxiliary welding seats (31) and a welding strip (32), the two auxiliary welding seats (31) are fixedly connected with the connecting clamping piece (21) and the bottom connecting piece (22) respectively, and the upper end and the lower end of the welding strip (32) are welded on the inner sides of the two auxiliary welding seats (31) respectively.

4. An electrode rivet structure for a lead-acid battery according to claim 1, characterized in that: a bending gravure (201) for reducing the bending operation difficulty is arranged between the connecting clamping piece (21) and the bottom connecting piece (22).

5. An electrode rivet structure for a lead-acid battery according to claim 1, characterized in that: and a conductive coating (23) is sprayed on one side surface of the connecting clamping piece (21) opposite to the bottom connecting piece (22).

6. An electrode rivet structure for a lead-acid battery according to claim 2, characterized in that: and a hollow groove (24) for the extension of the bottom inserting column (13) is formed in the middle of the bottom connecting sheet (22).