CN211455816U

CN211455816U - Lithium cell is grafting device that connects in parallel fast

Info

Publication number: CN211455816U
Application number: CN201922415432.XU
Authority: CN
Inventors: 刘红
Original assignee: Suzhou Dachuan New Energy Co ltd
Current assignee: Suzhou Dachuan New Energy Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-09-08
Anticipated expiration: 2029-12-29

Abstract

The utility model belongs to the technical field of batteries, in particular to a lithium battery fast parallel connection plugging device, which comprises a plurality of battery bodies and a connecting component, wherein the connecting component comprises a plugging cover and a connecting column fixed at the middle position of the top surface of the plugging cover, the plugging cover is a hollow cylindrical shell with an opening at one end, and an electric connecting plate is fixedly bonded at the top end of the inner wall of the plugging cover; connecting components are all installed at the both ends of battery body, the lid of will pegging graft is pegged graft at the battery body both ends, and make the electrode contact who connects electric flange and battery body, to connect the lid and peg graft with the connecting components on another battery body, at this moment, two adjacent connecting components's elastic pressure plate, the current conducting plate, connect the electric plate and connect the electric post to form a route, make two adjacent battery bodies accomplish parallelly connected, convenient connection, do not need to use welded mode to connect, reduce production technology, and the production cost is reduced, and can dismantle in a flexible way, the later stage maintenance of being convenient for is changed.

Description

Lithium cell is grafting device that connects in parallel fast

Technical Field

The utility model belongs to the technical field of the battery, concretely relates to lithium cell is grafting device that connects in parallel fast.

Background

The lithium battery is a primary battery which takes lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, is different from a rechargeable battery, namely a lithium ion battery and a lithium ion polymer battery, the inventor of the lithium battery is edison, and because the chemical characteristics of the lithium metal are very active, the lithium metal is processed, stored and used, the requirement on the environment is very high, the voltage of the lithium battery is unchanged after the lithium battery is connected in parallel, but the capacity is increased, and the power supply capacity of the battery pack can be provided.

When the prior art is parallelly connected to the lithium cell, adopt welding then clad mode to go on mostly, connect the completion back, overall structure is comparatively fixed, when needs are disassembled and are changed single battery, need get rid of the cladding skin, breaks off the welding point again, changes the completion back, needs to weld again and cladding, operates for loaded down with trivial details, is unfavorable for the maintenance in later stage.

Therefore, the technical personnel in the field provide a lithium battery fast parallel connection plugging device to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a lithium cell is grafting device that connects in parallel fast has the quick characteristics of connection.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery rapid parallel connection plugging device comprises a plurality of battery bodies and a connecting component, the connecting component comprises a plug cover and a connecting column fixed at the middle position of the top surface of the connecting component, the plug cover is a hollow cylindrical shell with an opening at one end, the top end of the inner wall of the plug cover is fixedly bonded with an electric plate, the middle position of the connecting column is fixedly plugged with an electric pole, the other end of the electric pole penetrates through the plug cover, and is welded and fixed with the electric connection plate, the top end of the electric connection column is positioned at the outer side of the top surface of the connection column, one side of the top surface of the inserting cover is fixedly connected with a connecting cover, the inner wall of the connecting cover is fixedly connected with a conductive plate, one end of the current-conducting plate penetrates through the plug-in cover and is welded and fixed with the current-connecting plate, and the width of the connecting cover corresponds to the diameter of the connecting column.

Preferably, the electric connection convex plate is welded and fixed at the middle position of the bottom surface of the electric connection plate.

Preferably, the bottom surface of one end of the conductive plate, which is far away from the plug cover, is integrally formed with an elastic pressing plate.

Preferably, the bottom end of the connecting column is provided with a slot.

Preferably, the bottom end of the inner wall of one side of the connecting cover, which is far away from the inserting cover, is fixedly connected with two symmetrically arranged inserting strips, and the inserting strips correspond to the inserting grooves.

Preferably, the outer wall of spliced pole bonds and is fixed with the second resistance layer, the inner wall bonding of grafting lid is fixed with first resistance layer, first resistance layer with the material on second resistance layer is rubber.

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

when parallelly connected the battery, at the both ends of battery body equal erection joint subassembly, will peg graft the lid and peg graft at the battery body both ends, and make the electrode contact who connects electric flange and battery body, will connect the lid and peg graft with the coupling assembling on another battery body, specifically do, will connect the spliced pole in lid and this coupling assembling to peg graft, the current conducting plate in the connection lid passes through the elastic pressing plate and connects the electric contact of post, at this moment, two adjacent coupling assembling's elastic pressing plate, the current conducting plate, connect the electric plate and connect the electric formation route, make two adjacent battery bodies accomplish parallelly connected, only need personnel manual peg graft in proper order can, convenient connection, need not use the welded mode to connect, reduce production technology, and reduce production cost, and can dismantle in a flexible way, the later stage maintenance of being convenient for is changed.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic connection diagram of the present invention;

fig. 3 is a schematic structural view of the connection assembly of the present invention;

fig. 4 is a schematic view of the internal structure of the plug cover of the present invention;

fig. 5 is an enlarged view of a point a in fig. 4.

In the figure: 1. a battery body; 2. a connecting assembly; 201. a slot; 21. a plug cover; 211. a first resistance layer; 22. connecting columns; 221. a second resistance layer; 23. connecting a power post; 24. a power connection plate; 241. connecting a power connection convex plate; 25. a connecting cover; 26. a conductive plate; 261. an elastic pressure plate; 27. and (4) inserting strips.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a quick parallelly connected grafting device of lithium cell, including a plurality of battery body 1, still include coupling assembling 2, coupling assembling 2 is including grafting lid 21 and fix the spliced pole 22 in its top surface intermediate position department, grafting lid 21 has the open-ended hollow cylindrical casing for one end, the inner wall top bonding of grafting lid 21 is fixed with connects electric plate 24, the intermediate position department grafting of spliced pole 22 is fixed with electrical connection post 23, electrical connection post 23's the other end runs through grafting lid 21, and with connect electric plate 24 welded fastening, electrical connection post 23's top is located the top surface outside of spliced pole 22, top surface one side fixedly connected with of grafting lid 21 connects lid 25, the inner wall fixedly connected with current conducting plate 26 of connection lid 25, the one end of current conducting plate 26 runs through grafting lid 21 and with connect electric plate 24 welded fastening, the width size of connection lid 25 is corresponding with the diameter of spliced.

In this embodiment: when the batteries are connected in parallel, the connecting components 2 are arranged at the two ends of the battery body 1, the inserting covers 21 are inserted at the two ends of the battery body 1, the electric connecting convex plate 241 is contacted with the electrode of the battery body 1, the connecting cover 25 is inserted with the connecting component 2 on the other battery body 1, specifically, the connecting cover 25 is inserted with the connecting column 22 in the connecting component 2, the electric conducting plate 26 in the connecting cover 25 is contacted with the electric connecting column 23 through the elastic pressing plate 261, at the moment, the elastic pressing plate 261, the electric conducting plate 26, the electric connecting plate 24 and the electric connecting column 23 of two adjacent connecting components 2 form a passage, so that the two adjacent battery bodies 1 are connected in parallel, the steps are repeated, a plurality of battery bodies 1 are sequentially connected, the parallel connection of a plurality of battery bodies 1 is completed, only the manual sequential insertion of personnel is needed, the connection is convenient, and the connection is not needed to, reduce production technology, reduction in production cost, and nimble can be dismantled, the later stage maintenance of being convenient for is changed, when grafting lid 21 is connected with battery body 1, the first resistance layer 211 and the battery body 1 contact of grafting lid 21 inner wall, increase frictional force, it is more firm to peg graft, when connecting lid 25 is pegged graft with spliced pole 22, the second resistance layer 221 and the 25 inner wall contacts of connecting lid of spliced pole 22 outer wall, increase frictional force, it is more firm to peg graft, and simultaneously, insert in slot 201 with grafting strip 27, realize vertical fixation, prevent that it from droing.

In fig. 1-2: including a plurality of battery body 1, still include coupling assembling 2, when parallelly connected to the battery, all install coupling assembling 2 at battery body 1's both ends, peg graft each other through coupling assembling 2, realize parallelly connected of battery body 1.

In fig. 3-5: the connecting component 2 comprises a plug cover 21 and a connecting column 22 fixed at the middle position of the top surface of the plug cover 21, the plug cover 21 is a hollow cylindrical shell with an opening at one end, an electric connection plate 24 is fixedly bonded at the top end of the inner wall of the plug cover 21, an electric connection column 23 is fixedly plugged at the middle position of the connecting column 22, the other end of the electric connection column 23 penetrates through the plug cover 21 and is welded and fixed with the electric connection plate 24, the top end of the electric connection column 23 is positioned at the outer side of the top surface of the connecting column 22, one side of the top surface of the plug cover 21 is fixedly connected with a connecting cover 25, the inner wall of the connecting cover 25 is fixedly connected with an electric conduction plate 26, one end of the electric conduction plate 26 penetrates through the plug cover 21 and is welded and fixed with the electric connection plate 24, the width size of the connecting cover 25 corresponds to the diameter of the connecting column 22, the plug cover 21 is plugged at the, specifically, the connecting cover 25 is inserted into the connecting column 22 of the connecting assembly 2, the conductive plate 26 of the connecting cover 25 contacts the electric connecting column 23 through the elastic pressing plate 261, at this time, the elastic pressing plate 261, the conductive plate 26, the electric connecting plate 24 and the electric connecting column 23 of two adjacent connecting assemblies 2 form a passage, so that two adjacent battery bodies 1 are connected in parallel, the steps are repeated, a plurality of battery bodies 1 are sequentially connected to complete parallel connection of a plurality of battery bodies 1, only manual sequential insertion by personnel is needed, the connection is convenient, a welding mode is not needed for connection, the production process is reduced, the production cost is reduced, the battery assembly is flexible and detachable, later maintenance and replacement are convenient, the electric connecting convex plate 241 is welded and fixed at the middle position of the bottom surface of the electric connecting plate 24, the electrodes of the battery bodies 1 can contact with the electric connecting convex plate 241, the elastic pressing plate 261 is integrally formed on the bottom surface of one end, the conductive plate 26 in the connection cover 25 is contacted with the electric connection column 23 through the elastic pressing plate 261, the connection is tighter, the bottom end of the connection column 22 is provided with a slot 201, the bottom end of the inner wall of the connection cover 25 far away from one side of the insertion cover 21 is fixedly connected with two symmetrically arranged insertion strips 27, the insertion strips 27 correspond to the slot 201, when the connection cover 25 is inserted into the connection column 22, the insertion strips 27 are inserted into the slot 201 to realize longitudinal fixation and prevent the insertion strips from falling off, the outer wall of the connection column 22 is fixedly bonded with a second resistance layer 221, the inner wall of the insertion cover 21 is fixedly bonded with a first resistance layer 211, the first resistance layer 211 and the second resistance layer 221 are both made of rubber, when the insertion cover 21 is connected with the battery body 1, the first resistance layer 211 on the inner wall of the insertion cover 21 is contacted with the battery body 1 to increase friction, the insertion is firmer, when the connection cover 25 is inserted into the connection column 22, the second resistance layer 221 on the outer wall of the connection, the friction force is increased, and the insertion is firmer.

The utility model discloses a theory of operation and use flow: when the batteries are connected in parallel, the connecting components 2 are arranged at the two ends of the battery body 1, the inserting covers 21 are inserted at the two ends of the battery body 1, the electric connecting convex plate 241 is contacted with the electrode of the battery body 1, the connecting cover 25 is inserted with the connecting component 2 on the other battery body 1, specifically, the connecting cover 25 is inserted with the connecting column 22 in the connecting component 2, the electric conducting plate 26 in the connecting cover 25 is contacted with the electric connecting column 23 through the elastic pressing plate 261, at the moment, the elastic pressing plate 261, the electric conducting plate 26, the electric connecting plate 24 and the electric connecting column 23 of two adjacent connecting components 2 form a passage, so that the two adjacent battery bodies 1 are connected in parallel, the steps are repeated, a plurality of battery bodies 1 are sequentially connected, the parallel connection of a plurality of battery bodies 1 is completed, only the manual sequential insertion of personnel is needed, the connection is convenient, and the connection is not needed to, reduce production technology, reduction in production cost, and nimble can be dismantled, the later stage maintenance of being convenient for is changed, when grafting lid 21 is connected with battery body 1, the first resistance layer 211 and the battery body 1 contact of grafting lid 21 inner wall, increase frictional force, it is more firm to peg graft, when connecting lid 25 is pegged graft with spliced pole 22, the second resistance layer 221 and the 25 inner wall contacts of connecting lid of spliced pole 22 outer wall, increase frictional force, it is more firm to peg graft, and simultaneously, insert in slot 201 with grafting strip 27, realize vertical fixation, prevent that it from droing.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a quick parallelly connected grafting device of lithium cell, includes a plurality of battery body (1), its characterized in that: still include coupling assembling (2), coupling assembling (2) are including grafting lid (21) and fixing spliced pole (22) of its top surface intermediate position department, grafting lid (21) has the cylindrical casing of open-ended cavity for one end, the inner wall top bonding of grafting lid (21) is fixed with electroplax (24), the intermediate position department grafting of spliced pole (22) is fixed with electric pole (23), the other end of electric pole (23) runs through grafting lid (21), and with electroplax (24) welded fastening, the top of electric pole (23) is located the top surface outside of spliced pole (22), top surface one side fixedly connected with of grafting lid (21) connects lid (25), the inner wall fixedly connected with current conducting plate (26) of connecting lid (25), the one end of current conducting plate (26) runs through grafting lid (21) and with electroplax (24) welded fastening, the width dimension of the connecting cover (25) corresponds to the diameter of the connecting column (22).

2. The lithium battery fast parallel connection plugging device according to claim 1, wherein: and the middle position of the bottom surface of the electric connection plate (24) is fixedly welded with an electric connection convex plate (241).

3. The lithium battery fast parallel connection plugging device according to claim 1, wherein: and an elastic pressing plate (261) is integrally formed on the bottom surface of one end, far away from the plug-in cover (21), of the conductive plate (26).

4. The lithium battery fast parallel connection plugging device according to claim 1, wherein: the bottom end of the connecting column (22) is provided with a slot (201).

5. The lithium battery fast parallel connection plugging device according to claim 4, wherein: the connection cover (25) is far away from the inner wall bottom end of one side of the insertion cover (21) and is fixedly connected with two symmetrically-arranged insertion strips (27), and the insertion strips (27) correspond to the insertion grooves (201).

6. The lithium battery fast parallel connection plugging device according to claim 1, wherein: the outer wall bonding of spliced pole (22) is fixed with second resistance layer (221), the inner wall bonding of grafting lid (21) is fixed with first resistance layer (211), first resistance layer (211) with the material of second resistance layer (221) is rubber.