CN214313456U - Butt welding connecting piece of lead storage battery - Google Patents
Butt welding connecting piece of lead storage battery Download PDFInfo
- Publication number
- CN214313456U CN214313456U CN202120232391.5U CN202120232391U CN214313456U CN 214313456 U CN214313456 U CN 214313456U CN 202120232391 U CN202120232391 U CN 202120232391U CN 214313456 U CN214313456 U CN 214313456U
- Authority
- CN
- China
- Prior art keywords
- welding
- butt welding
- butt
- piece
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a butt welding connecting piece of a lead storage battery, which comprises a base and a butt welding piece which is fixedly connected with one end of the base and extends upwards vertically, wherein the butt welding piece and the base are of an integrated structure; the butt welding piece is in a semi-elliptical shape, the vertical surface of the butt welding piece is a connecting surface, the lower half part of the butt welding piece is a vertical body connected with the battery separator, the upper half part of the butt welding piece is a welding body, the welding body is in a step structure, the lower end of the outer side of the welding body is an outward convex boss, and the upper end of the outer side of the welding body is an oblique opening; two groups of butt welding connecting pieces are oppositely arranged during butt welding, and a V-shaped cavity is formed between the bevel openings of the two groups of welding bodies; the side of the welding body is provided with a draft angle. The utility model discloses set up the boss structure on the welding body for the face of weld has increased the welding contact surface on the one hand to form V word cavity, and on the other hand makes welding operation more convenient, and the clearance that the boss below formed blocks the battery baffle simultaneously, and heat and lead liquid transmit downwards when the boss can block the welding, the damage of battery baffle when avoiding the welding.
Description
Technical Field
The utility model belongs to the technical field of lead accumulator, concretely relates to lead accumulator's butt welding connecting piece.
Background
The core assembly of the lead-acid storage battery is a pole plate group, the butt welding connecting pieces are connectors of a single-grid pole plate group, most of the existing butt welding connecting pieces are shown in figure 2, in the specific implementation, vertical surfaces of two groups of butt welding connecting pieces are opposite to each other and clamp a battery separator, and then welding is carried out to complete connection.
Although the butt welding connecting piece has simple structure and convenient processing, the use process has a plurality of disadvantages: the contact surface with molten lead is small, so that the welding firmness is reduced; in addition, the openings between the two groups of butt welding connecting pieces are small, so that welding is not easy to align, and the welding difficulty is indirectly improved; meanwhile, the battery separator is easy to contact without being blocked during welding to cause damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a butt welding connecting piece of lead accumulator to the not enough and difficult problem among the prior art.
The utility model discloses a following technical scheme realizes:
a butt welding connecting piece of a lead storage battery comprises a base and a butt welding piece which is fixedly connected to one end of the base and extends upwards vertically, wherein the butt welding piece and the base are of an integrated structure; the butt welding piece is in a semi-elliptical shape, the vertical surface of the butt welding piece is a connecting surface, the lower half part of the butt welding piece is a vertical body connected with the battery separator, the upper half part of the butt welding piece is a welding body, the welding body is in a step structure, the lower end of the outer side of the welding body is an outward convex boss, and the upper end of the outer side of the welding body is an oblique opening; two groups of butt welding connecting pieces are oppositely arranged during butt welding, and a V-shaped cavity is formed between the bevel openings of the two groups of welding bodies; the side of the welding body is provided with a draft angle.
Further, the height of the vertical surface of the boss is larger than the width of the horizontal surface of the boss,
furthermore, the draft angle of the welding body is 2-10 degrees.
Further, a circular arc chamfer is arranged at the joint of the base and the butt welding piece.
Furthermore, the upper end of the outer side surface of the base is a curved surface, and the lower end of the outer side surface of the base is a straight surface.
Compared with the prior art, the utility model discloses beneficial effect includes:
(1) the utility model discloses set up the boss structure on the welding body for the face of weld has increased the welding contact surface on the one hand to form V word cavity, and on the other hand makes welding operation more convenient, and the clearance that the boss below formed blocks the battery baffle simultaneously, and heat and lead liquid transmit downwards when the boss can block the welding, the damage of battery baffle when avoiding the welding.
(2) The utility model discloses the welding body is equipped with drawing die inclination, the junction that base and butt welding spare are equipped with circular arc chamfer, the lateral surface upper end of base is curved surface, lower extreme for straight face, reduces consumptive material, the machine-shaping of the butt welding connecting piece of being convenient for simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure 2 is a prior art butt welded connection.
Fig. 3 is an assembly schematic diagram of two sets of the present invention during butt welding.
Illustration of the drawings: 1-base, 101-curved surface, 102-straight surface, 2-butt welding part, 201-vertical body, 202-welding body, 203-lug boss, 204-bevel opening, 3-arc chamfer and 4-battery separator.
In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, integrally connected; can be mechanical connection and electrical connection; may be directly connected, indirectly connected through intervening agents, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood to be specific to those skilled in the art.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 2, the butt welding connector of the lead storage battery comprises a base 1 and a butt welding part 2 which is fixedly connected to one end of the base 1 and extends upwards vertically, wherein the butt welding part 2 and the base 1 are of an integrated structure. In the specific implementation, the butt welding pieces 2 are abutted against the battery separator, and the butt welding pieces 2 of the two groups of butt welding connecting pieces are opposite to each other and tightly clamp the battery separator.
The butt welding part 2 is in a semi-elliptical shape, the vertical surface of the butt welding part 2 is a connecting surface, the lower half part of the butt welding part 2 is a vertical body 201 connected with the battery separator, the upper half part of the butt welding part 2 is a welding body 202 for welding, the welding body 202 is in a step structure, the lower end of the outer side of the welding body 202 is an outward convex boss 203, and the upper end of the outer side of the welding body 202 is an oblique opening 204. As shown in fig. 3, two sets of butt welding connectors are arranged oppositely during butt welding, a V-shaped cavity is formed between the bevel openings 204 of the two sets of welding bodies 202, the cavity is a welding area, and the V-shaped cavity increases a welding contact surface on one hand and facilitates welding operation on the other hand; the vertical body 201 is abutted to the battery separator 4, the battery separator 4 is clamped by a gap formed below the boss 203, and the boss 203 can block heat and lead liquid from being transferred downwards during welding, so that the battery separator 4 is prevented from being damaged during welding.
The height of the vertical surface of the boss 203 is greater than the width of the horizontal surface, and as in this embodiment the protruding horizontal surface of the boss 203 is 1.5mm, and the vertical surface is 2 mm.
The side of the welding body 202 is provided with a draft angle, that is, the side of the welding body 202 is a conical surface, which has the function of facilitating the draft of the welding connecting piece after being processed and formed, and meanwhile, the resource consumption is saved, and the utilization rate of the material is improved. The draft angle is 2-10 degrees.
The base 1 is equipped with circular arc chamfer 3 with the junction of butt welding piece 2, is convenient for weld the processing of connecting piece on the one hand, and on the other hand battery has increased the area that circular arc chamfer 3 base 1 is connected with battery itself electricity after the equipment.
The upper end of the outer side surface of the base 1 is a curved surface 101, and the lower end of the outer side surface of the base 1 is a straight surface 102, so that the contact area is increased, and materials are saved.
In specific implementation, the electrode group of the storage battery is formed by laminating a positive plate, a negative plate and a separator, the positive plate or the negative plate in the same electrode group is connected through a busbar, a connecting column for connecting adjacent electrode groups is arranged on the busbar, and the connecting columns of the adjacent electrode groups are connected through two sets of butt welding connecting pieces in the embodiment in a welding mode.
The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. A butt welding connecting piece of a lead storage battery is characterized in that: the butt welding device comprises a base (1) and a butt welding piece (2) which is fixedly connected to one end of the base (1) and extends upwards in an upright mode, wherein the butt welding piece (2) and the base (1) are of an integrated structure; the butt welding piece (2) is in a semi-elliptical shape, the vertical surface of the butt welding piece is a connecting surface, the lower half part of the butt welding piece (2) is a vertical body (201) connected with the battery separator, the upper half part of the butt welding piece is a welding body (202), the welding body (202) is in a step structure, the lower end of the outer side of the welding body (202) is an outward convex boss (203), and the upper end of the outer side of the welding body is an oblique opening (204); the two groups of butt welding connecting pieces are oppositely arranged during butt welding, and a V-shaped cavity is formed between the bevel openings (204) of the two groups of welding bodies (202); the side face of the welding body (202) is provided with a draft angle.
2. A butt-welded joint member for lead-acid batteries according to claim 1, wherein: the height of the vertical surface of the boss (203) is larger than the width of the horizontal surface of the boss.
3. A butt-welded joint member for lead-acid batteries according to claim 1, wherein: the draft angle of the welding body (202) is 2-10 degrees.
4. A butt-welded joint member for lead-acid batteries according to claim 1, wherein: and an arc chamfer (3) is arranged at the joint of the base (1) and the butt welding piece (2).
5. A butt-welded joint member for lead-acid batteries according to claim 1, wherein: the upper end of the outer side surface of the base (1) is a curved surface (101), and the lower end of the outer side surface of the base is a straight surface (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120232391.5U CN214313456U (en) | 2021-01-27 | 2021-01-27 | Butt welding connecting piece of lead storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120232391.5U CN214313456U (en) | 2021-01-27 | 2021-01-27 | Butt welding connecting piece of lead storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214313456U true CN214313456U (en) | 2021-09-28 |
Family
ID=77830729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120232391.5U Active CN214313456U (en) | 2021-01-27 | 2021-01-27 | Butt welding connecting piece of lead storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214313456U (en) |
-
2021
- 2021-01-27 CN CN202120232391.5U patent/CN214313456U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212113919U (en) | Secondary lithium battery | |
| CN214313456U (en) | Butt welding connecting piece of lead storage battery | |
| CN212874630U (en) | Battery cell adaptor, lithium ion battery and electric automobile | |
| CN208507744U (en) | Battery connecting piece and battery | |
| CN217166956U (en) | Soft packet of utmost point ear laser welding pressure head | |
| CN216529234U (en) | Battery structure | |
| CN213242742U (en) | Cylindrical lithium ion battery pack | |
| CN214602515U (en) | Power lithium cell welding pole piece pressure head frock | |
| CN211980728U (en) | 18650 lithium cell convenient to assembly connection | |
| CN114069162A (en) | Spliced spot-welding type battery nickel sheet and spot welding process thereof | |
| CN106531948A (en) | A battery pack connecting plate welding structure and welding process | |
| CN212062848U (en) | Connecting terminal, battery sensor module and battery | |
| CN211088414U (en) | Step location boss | |
| CN203221309U (en) | Pressing bar used for storage battery pole group welding | |
| CN215896496U (en) | Device for preventing lead-acid storage battery from assembling reversed poles | |
| CN218533369U (en) | Welding jig of easily fix a position utmost point ear fast | |
| CN203491327U (en) | Storage battery polar plate and storage battery | |
| CN214489211U (en) | Welding needle suitable for resistance welding of full-lug cylindrical lithium ion battery | |
| CN220774422U (en) | Square battery's income shell frock | |
| CN219212084U (en) | Welding positioning jig for full-lug battery cell current collecting disc | |
| CN217881615U (en) | Lithium cell is assembled with supporting setting device | |
| CN212676422U (en) | Cylindrical lithium ion battery module | |
| CN210956832U (en) | Lithium battery conductive connection plate convenient to solder joint is demolishd | |
| CN215988849U (en) | High-applicability lithium battery roll core end face shaping device | |
| CN214313260U (en) | Lead-acid storage battery grid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |