CN208368592U - A kind of explosion-proof lithium battery battery core shell - Google Patents

Abstract

The utility model relates to technical field of lithium batteries, especially a kind of explosion-proof lithium battery battery core shell, including lower casing and upper shell, it is rotatablely connected between the lower casing and upper shell, battery pack is equipped with inside the lower casing, the battery pack includes multiple battery cores being parallel to each other, the two sides up and down of multiple battery cores are horizontal to be equipped with fixed plate, it is fixedly connected between two pieces of fixed plates and battery core by multiple clamping screws, and there are gap between the adjacent battery core, set that there are two clamping devices jointly in the lower casing and upper interior of shell.The utility model, structure is simple, easy for installation, good heat dissipation effect, while effectively raising and manufacturing efficiency.

Description

A kind of explosion-proof lithium battery battery core shell

Technical field

The utility model relates to technical field of lithium batteries more particularly to a kind of explosion-proof lithium battery battery core shells.

Background technique

It by lithium metal or lithium alloy is negative electrode material, using the battery of non-aqueous electrolytic solution that lithium battery, which is a kind of,.1912 Year lithium metal battery is proposed and is studied by GilbertN.Lewis earliest.When the 1970s, M.S.Whittingham is proposed And the lithium ion battery that begins one's study.Since the chemical characteristic of lithium metal is very active, so that the processing of lithium metal, preservation, use, It is very high to environmental requirement.So lithium battery is not applied for a long time.With the development of science and technology, present lithium battery has been Through becoming mainstream.Existing lithium battery is not easy to be fixed on interior of shell, and in the course of work in the production process Middle heat dissipation effect is poor.

Utility model content

Purpose of the utility model is to solve exist in the prior art be not easy to installation fix, and heat dissipation effect difference Disadvantage, and a kind of explosion-proof lithium battery battery core shell proposed.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of explosion-proof lithium battery battery core shell, including lower casing and upper shell are designed, between the lower casing and upper shell Rotation connection, the lower casing inside are equipped with battery pack, and the battery pack includes multiple battery cores being parallel to each other, multiple electricity The two sides up and down of core are horizontal to be equipped with fixed plate, connects between two pieces of fixed plates and battery core by the way that multiple clamping screws are fixed It connects, and there are gap between the adjacent battery core, sets that there are two clamping device, institutes jointly in the lower casing and upper interior of shell Stating clamping device includes first clamping plate and second clamping plate, and the second clamping plate level is fixedly mounted on lower casing inner bottom, institute It states first clamping plate and is located at upper interior of shell, and connected between the first clamping plate and upper interior of shell bottom end by multiple buffer units It connects, offers mounting groove in the first clamping plate and the corresponding position of second clamping plate, multiple battery cores are installed on pair Inside the mounting groove answered, connected by connection sheet between the adjacent battery core anode and cathode, and described in outermost two Connector is respectively connected in battery core, the one end of the connector far from battery core, which is run through, is provided with lower casing upper limit position groove and extension To outside, it is equipped with limited block inside the limiting slot, is connected through a screw thread between the limited block and connector.

Preferably, the buffer unit includes the connection sleeve being fixedly mounted on outer casing inner wall, the connection sleeve Internal slide is fitted with connecting rod, is equipped with spring in the connection sleeve inner vertical, the both ends of the spring are fixed respectively to be connected It connects in connection sleeve inner bottom and connecting rod one end end, connecting rod other end end is fixedly connected with first clamping plate.

Preferably, the lower casing offers card slot far from a lateral roof of upper shell, and the both ends of the card slot are symmetrically opened Equipped with limit hole, the limit hole and card slot are interconnected, and are vertically connected with strip on the corresponding upper shell of the card slot, institute The both ends for stating strip are fixedly connected with fixture block, and the strip and fixture block are installed on respectively inside card slot and limit hole.

Preferably, the lower casing and upper shell are that PC engineering plastics are made.

Preferably, two connectors are separately connected the positive electrode and negative electrode of battery core.

The utility model proposes a kind of explosion-proof lithium battery battery core shell, beneficial effect is: by two fixed plates and Clamping screw, by connection sheet, so that multiple battery cores are connected with each other, passes through folder so as to be fixed multiple battery cores Hold device, so that battery core is fixedly mounted on lower casing and upper interior of shell, by between battery core there are gap, thus favorably It radiates in battery core.The utility model, structure is simple, easy for installation, good heat dissipation effect, while effectively raising and manufacturing effect Rate.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of explosion-proof lithium battery battery core shell structural schematic diagram；

Fig. 2 be the utility model proposes a kind of explosion-proof lithium battery battery core shell on shell and first clamping plate connection signal Figure；

Fig. 3 be the utility model proposes a kind of explosion-proof lithium battery battery core housing battery group structural schematic diagram.

In figure: lower casing 1, battery core 2, limited block 3, connector 4, upper shell 5, mounting groove 6, strip 7, fixture block 8, first press from both sides Plate 9, clamping screw 10, fixed plate 11, second clamping plate 12, connection sheet 13, limit hole 14, card slot 15, connecting rod 16, spring 17, Connect sleeve 18, limiting slot 19.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, a kind of explosion-proof lithium battery battery core shell, including lower casing 1 and upper shell 5, lower casing 1 and upper shell 5 be that PC engineering plastics are made, and is rotatablely connected between lower casing 1 and upper shell 5, a lateral roof of the lower casing 1 far from upper shell 5 Card slot 15 is offered, the both ends of card slot 15 symmetrically offer limit hole 14, and limit hole 14 and card slot 15 are interconnected, in card slot 15 Strip 7 is vertically connected on corresponding upper shell 5, the both ends of strip 7 are fixedly connected with fixture block 8, and strip 7 blocks respectively with fixture block 8 Inside card slot 15 and limit hole 14, battery pack is equipped with inside lower casing 1；Pass through strip 7, fixture block 8, card slot 15 and limit hole 14, so as to which lower casing 1 and upper shell 5 are locked, lower casing 1 and upper shell made of PC engineering plastics 5, to have impact resistance outstanding, stability, heat resistance, ductility and obdurability.

Battery pack includes multiple battery cores 2 being parallel to each other, and the two sides up and down of multiple battery cores 2 are horizontal to be equipped with fixed plate 11, It is fixedly connected between two fixed plates 11 and battery core 2 by multiple clamping screws 10, and there are gap between adjacent battery core 2, Clamping device there are two being set jointly inside lower casing 1 and upper shell 5；By two fixed plates 11 and multiple clamping screws 10, from And multiple battery cores 2 are fixed, by between battery core 2 there are gap, it is effective to improve to be conducive to the heat dissipation of battery core 2 The service life of battery core 2.

Clamping device includes first clamping plate 9 and second clamping plate 12, and 12 level of second clamping plate is fixedly mounted on inside lower casing 1 Bottom end, first clamping plate 9 are located inside upper shell 5, and are filled between 5 inner bottom of first clamping plate 9 and upper shell by multiple bufferings Connection is set, buffer unit includes the connection sleeve 18 being fixedly mounted on 5 inner wall of shell, connection 18 internal slide of sleeve inserting There is connecting rod 16, is equipped with spring 17 in connection 18 inner vertical of sleeve, the both ends of spring 17 are respectively fixedly connected in connection sleeve 18 inner bottoms and 16 one end end of connecting rod, 16 other end end of connecting rod are fixedly connected with first clamping plate 9, first clamping plate 9 With mounting groove 6 is offered on the corresponding position of second clamping plate 12, multiple battery cores 2 are installed on inside corresponding mounting groove 6, It is connected by connection sheet 13 between adjacent 2 anode of battery core and cathode, and is respectively connected with connector in two battery cores 2 of outermost 4, two connectors 4 are separately connected the positive electrode and negative electrode of battery core 2, and the one end of connector 4 far from battery core 2, which is run through, to be provided with outside lower 1 upper limit position groove 19 of shell and outside is extended to, limited block 3 is equipped with inside limiting slot 19, is passed through between limited block 3 and connector 4 It is threadedly coupled；Two connectors 4 are installed on respectively in outermost two battery cores 2, then limited block 3 is placed on limiting slot 19 Inside, connector 4 extend through limiting slot 19 and limited block 3, so that the i.e. adjustable connector 4 of rotary spacing block 3 is in lower casing 1 Internal position, limited block 3 also functions to the effect of limit simultaneously, by the way that the battery core fixed 2 to be placed in second clamping plate 12 Mounting groove 6 inside, while lower casing 1 and upper shell 5 being closed, first clamping plate 9 squeezes battery core 2, so as to will Battery core 2 is locked, by connection sleeve 18, connecting rod 16 and spring 17, so as to avoid in extrusion process, the One clamping plate 9 can cause to damage to battery core 2.

The utility model: by two fixed plates 11 and multiple clamping screws 10, so as to be consolidated multiple battery cores 2 It is fixed, by connection sheet 13, to multiple battery cores 2 are connected with each other, by clamping device, so that battery core 2 is fixedly mounted on down Inside shell 1 and upper shell 5, by between battery core 2 there are gap, thus be conducive to battery core 2 heat dissipation.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of explosion-proof lithium battery battery core shell, including lower casing (1) and upper shell (5), the lower casing (1) and upper shell (5) it is rotatablely connected between, which is characterized in that battery pack is equipped with inside the lower casing (1), the battery pack includes multiple mutual Parallel battery core (2), the two sides up and down of multiple battery cores (2) are horizontal to be equipped with fixed plate (11), two pieces of fixed plates (11) it is fixedly connected between battery core (2) by multiple clamping screws (10), and there are gap between the adjacent battery core (2), Clamping device there are two setting jointly inside the lower casing (1) and upper shell (5), the clamping device includes first clamping plate (9) and second clamping plate (12), second clamping plate (12) level are fixedly mounted on lower casing (1) inner bottom, first folder It is internal that plate (9) is located at upper shell (5), and is filled between the first clamping plate (9) and upper shell (5) inner bottom by multiple bufferings Connection is set, is offered mounting groove (6) on the first clamping plate (9) and the corresponding position of second clamping plate (12), it is multiple described Battery core (2) is installed on corresponding mounting groove (6) inside, passes through connection between adjacent battery core (2) anode and cathode Piece (13) connection, and be respectively connected with connector (4) on outermost two battery cores (2), the connector (4) is far from battery core (2) one end, which is run through, to be provided with lower casing (1) upper limit position groove (19) and extends to outside, is all provided with inside the limiting slot (19) Have limited block (3), is connected through a screw thread between the limited block (3) and connector (4).

2. a kind of explosion-proof lithium battery battery core shell according to claim 1, which is characterized in that the buffer unit includes solid Connection sleeve (18) of the Dingan County on upper shell (5) inner wall, connection sleeve (18) internal slide are fitted with connecting rod (16), spring (17) are equipped in connection sleeve (18) inner vertical, the both ends of the spring (17) are respectively fixedly connected with Connect sleeve (18) inner bottom and connecting rod (16) one end end, connecting rod (16) other end end and first clamping plate (9) it is fixedly connected.

3. a kind of explosion-proof lithium battery battery core shell according to claim 1, which is characterized in that the lower casing (1) is separate One lateral roof of upper shell (5) offers card slot (15), and the both ends of the card slot (15) symmetrically offer limit hole (14), described Limit hole (14) and card slot (15) are interconnected, and are vertically connected with strip on the corresponding upper shell (5) of the card slot (15) (7), the both ends of the strip (7) are fixedly connected with fixture block (8), and the strip (7) and fixture block (8) are installed on card slot (15) respectively It is internal with limit hole (14).

4. a kind of explosion-proof lithium battery battery core shell according to claim 1, which is characterized in that the lower casing (1) and upper Shell (5) is that PC engineering plastics are made.

5. a kind of explosion-proof lithium battery battery core shell according to claim 1, which is characterized in that two connectors (4) It is separately connected the positive electrode and negative electrode of battery core (2).