CN206332076U - A maintenance-friendly lithium-sulfur battery pack - Google Patents

Abstract

The utility model discloses a lithium sulphur group battery convenient to maintenance, including casing down with cup joint the last casing in casing top down, go up the casing and be provided with lithium sulphur group battery body down between the casing, go up the both sides face of casing and all set up flutedly, the card hole has been seted up to the position of casing correspondence recess down, is provided with latch device in the recess. This lithium sulphur group battery convenient to maintenance, through setting up latch, the second spring, the round bar, the round hole, the push rod, the card hole, connecting rod and recess, when needs are dismantled lithium sulphur group battery body, make the connecting rod to the position removal that is close to casing down, make the push rod promote the kelly, make kelly and card hole separation, upwards pulling handle again, make the handle drive the casing and rise, make casing and lower casing separation down, thereby make lithium sulphur group battery body dismantle, thereby do not need the maintenance workman just to make lithium sulphur group battery body dismantle with the help of the instrument, thereby very big convenience has been brought for maintenance workman maintenance lithium sulphur group battery body.

Description

A maintenance-friendly lithium-sulfur battery pack

technical field

The utility model relates to the technical field of lithium-sulfur batteries, in particular to a lithium-sulfur battery pack which is convenient for maintenance.

Background technique

Lithium-sulfur battery is a kind of lithium battery, which is still in the research stage as of 2013. Lithium-sulfur batteries use sulfur as the positive electrode of the battery and metallic lithium as the negative electrode. The specific capacity is as high as 1675mAh/g, which is much higher than the capacity (<150mAh/g) of lithium cobalt oxide batteries widely used in commerce. In addition, sulfur is an environmentally friendly element that basically has no pollution to the environment, and is a very promising lithium battery.

The installation of the lithium-sulfur battery pack requires the lithium-sulfur battery pack to be installed in a housing. When the lithium-sulfur battery pack needs to be repaired, the housing provided on the lithium-sulfur battery pack must first be removed. At present, the casings of lithium-sulfur battery packs on the market are all connected by bolts, which requires maintenance workers to use tools to disassemble the casing on the lithium-sulfur battery pack, which makes it very inconvenient to disassemble the casing, thus giving Maintenance workers repairing lithium-sulfur battery packs are an inconvenience.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a lithium-sulfur battery pack that is easy to maintain, which solves the problem that the shells of the lithium-sulfur battery packs currently on the market are all connected by bolts, so maintenance workers need tools to The casing on the lithium-sulfur battery pack is disassembled, so that the disassembly of the casing is very inconvenient, which brings inconvenience to the maintenance workers to repair the lithium-sulfur battery pack.

In order to achieve the above object, the utility model is realized through the following technical solutions:

A maintenance-friendly lithium-sulfur battery pack, comprising a lower case and an upper case sleeved above the lower case, a lithium-sulfur battery pack body is arranged between the upper case and the lower case, and the upper case Grooves are formed on both sides of the lower shell, and a clamping hole is formed at a position corresponding to the groove, and a clamping device is arranged in the groove.

The clamping device includes a first housing, the side of the first housing is fixedly connected to the side of the inner wall of the groove, a circular plate is slidingly connected in the first housing, and the side of the circular plate is connected by a first spring It is fixedly connected with the side of the inner wall of the first housing, and the side of the circular plate away from the first spring is fixedly connected with a clamping rod, and the end of the clamping rod away from the circular plate passes through the first housing and is clamped in the clamping hole, One end of the first housing is fixedly connected to a limiting block, and one end of the limiting block is slidably connected to the surface of the clamping rod, and two round rods are fixedly connected to the outer surface of the lower housing, and the round rods One end of the connecting rod passes through the round hole opened on the side of the connecting rod and extends to the outside of the round hole. The side of the connecting rod is fixedly connected with the outer surface of the lower casing through two second springs, and the two round rods are located between the two second springs. Between the two springs, a push rod is fixedly connected to the side of the connecting rod, the push rod is located between the two round rods, and the end of the push rod away from the connecting rod is inserted into the clamping hole and overlapped with one end of the clamping rod.

Preferably, two outlet holes are opened on the upper surface of the upper casing, wires are sleeved in the two outlet holes, and one end of the two wires is electrically connected to the positive electrode and the negative electrode of the lithium-sulfur battery pack body respectively. .

Preferably, the shape of the locking hole is rectangular, the shape of the groove is circular, the shape of the locking rod and the push rod are both rectangular, and the width of the push rod is larger than the diameter of the groove.

Preferably, the bottom of the lower casing is provided with four connecting pieces, and the top ends of the four connecting pieces are respectively fixedly connected to the four corners of the lower surface of the lower casing.

Preferably, a handle is fixedly connected to the upper surface of the upper casing, and the handle is located between the two outlet holes.

Preferably, the handle includes two vertical bars, and a horizontal bar is fixedly connected between the two vertical bars, and a rubber sleeve is sleeved on the surface of the horizontal bar.

The utility model provides an easy-to-maintain lithium-sulfur battery pack, which has the following beneficial effects:

(1) The easy-to-maintain lithium-sulfur battery pack can be disassembled when the lithium-sulfur battery pack needs to be disassembled When coming down, move the connecting rod to a position close to the lower case, make the push rod push the clamping rod, separate the clamping rod from the clamping hole, and then pull the handle upwards, so that the handle drives the upper housing to rise, so that the upper housing and the lower housing The casing is separated, so that the main body of the lithium-sulfur battery pack can be disassembled, so that the main body of the lithium-sulfur battery pack can be disassembled without the need for maintenance workers to use tools, thereby bringing great convenience to maintenance workers to repair the main body of the lithium-sulfur battery pack.

(2) The easy-to-maintain lithium-sulfur battery pack has a compact structure, a reasonable design, and strong practicability.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the front view of the utility model;

Fig. 2 is a schematic cross-sectional structure diagram of the front view of the connecting device of the present invention;

Fig. 3 is a structural schematic diagram of the front view of the handle of the present invention.

In the figure: 1 upper shell, 2 lower shell, 3 groove, 4 clamping device, 41 first shell, 42 circular plate, 43 first spring, 44 limit block, 45 clamping rod, 5 handle, 51 Vertical rod, 52 horizontal rod, 53 rubber sleeve, 6 round rod, 7 round hole, 8 connecting rod, 9 second spring, 10 push rod, 11 lithium-sulfur battery pack body, 12 outlet hole, 13 connector, 14 card hole .

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a lithium-sulfur battery pack that is easy to maintain, including a lower case 2 and an upper case 1 that is socketed above the lower case 2, and the upper case 1 Two outlet holes 12 are opened on the upper surface, and wires are sleeved in the two outlet holes 12, and one end of the two wires is respectively electrically connected to the positive electrode and the negative electrode of the lithium-sulfur battery pack body 11, and the bottom end of the lower case 2 Four connecting pieces 13 are provided, and the top ends of the four connecting pieces 13 are respectively fixedly connected to the four corners of the lower surface of the lower casing 2. By setting the four connecting pieces 13, the connection between the lower casing 2 and other structures is more convenient. A lithium-sulfur battery pack body 11 is arranged between the casing 1 and the lower casing 2, and a handle 5 is fixedly connected to the upper surface of the upper casing 1. By setting the handle 5, the upper casing 1 and the lower casing 2 are separated more easily. Convenient, and the handle 5 is located between the two outlet holes 12, the handle 5 includes two vertical bars 51, and a horizontal bar 52 is fixedly connected between the two vertical bars 51, and a rubber sleeve 53 is sleeved on the surface of the horizontal bar 52 , by setting the rubber sleeve 53, the maintenance worker can hold the cross bar 52 more comfortably, the two sides of the upper casing 1 are provided with grooves 3, and the position of the lower casing 2 corresponding to the groove 3 is provided with a clamping hole 14, the groove 3 is provided with a clamping device 4 .

The clamping device 4 includes a first housing 41, the side of the first housing 41 is fixedly connected with the side of the inner wall of the groove 3, a disc 42 is slidably connected in the first housing 41, and the side of the disc 42 is connected by a first spring 43 is fixedly connected to the side of the inner wall of the first housing 41, and the side of the circular plate 42 away from the first spring 43 is fixedly connected with a clamping rod 45, and the end of the clamping rod 45 away from the circular plate 42 passes through the first housing 41 and snaps into In the clamping hole 14, by setting the first spring 43, the first spring 43 supports the clamping rod 45 and snaps into the clamping hole 14, so that the connection between the upper casing 1 and the lower casing 2 is more convenient, and the first casing One end of 41 is fixedly connected to the limiting block 44, and one end of the limiting block 44 is slidably connected to the surface of the clamping rod 45. By setting the circular plate 42 and the limiting block 44, the separating of the clamping rod 45 from the first housing 41 is prevented. The outer surface of the lower housing 2 is fixedly connected with two round rods 6, and one end of the round rod 6 passes through the round hole 7 provided on the side of the connecting rod 8 and extends to the outside of the round hole 7. By setting the round rod 6, the connecting rod 8 slides on the round rod 6, so that the push rod 10 pushes the clamping rod 45 to slide, thereby facilitating the separation of the upper case 1 and the lower case 2, and the side of the connecting rod 8 connects with the lower case 2 through two second springs 9 The outer surface is fixedly connected, and the two round rods 6 are located between the two second springs 9. By setting the second spring 9, the second spring 9 supports the connecting rod 8, and after the connecting rod 8 is close to the lower casing 2, Automatically return to the original position, the side of the connecting rod 8 is fixedly connected with a push rod 10, the push rod 10 is located between the two round rods 6, and the end of the push rod 10 away from the connecting rod 8 is inserted into the clamping hole 14 and connected with the clamping rod 45 One end overlaps, the shape of the clamping hole 14 is rectangular, the shape of the groove 3 is circular, the shapes of the clamping rod 45 and the push rod 10 are rectangular, and the width of the push rod 10 is greater than the diameter of the groove 3, so that the push rod 10 When the clamping rod 45 is pushed, the push rod 10 is placed into the groove 3, so that the push rod 10 blocks the upper case 1, so that the upper case 1 and the lower case 2 cannot be separated.

To sum up: the lithium-sulfur battery pack that is easy to maintain, by setting the clamping device 4, the second spring 9, the round rod 6, the round hole 7, the push rod 10, the clamping hole 14, the connecting rod 8 and the groove 3, When the lithium-sulfur battery pack body 1 needs to be disassembled, the connecting rod 8 is moved to a position close to the lower case 2, the push rod 10 pushes the clamping rod 45 to separate the clamping rod 45 from the clamping hole 14, and then pulls the handle upward 5. Make the handle 5 drive the upper case 1 to rise, so that the upper case 1 is separated from the lower case 2, so that the lithium-sulfur battery pack body 11 is disassembled, so that the lithium-sulfur battery pack can be installed without the help of tools by maintenance workers. The main body 11 is disassembled, thereby bringing great convenience to maintenance workers to maintain the main body 11 of the lithium-sulfur battery pack.

At the same time, the easy-to-maintain lithium-sulfur battery pack has a compact structure, a reasonable design, and strong practicability.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. without further restrictions. The phrase "the inclusion of an element defined by ... does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising said element".

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. a kind of lithium-sulfur cell group for being easy to maintenance, including lower house (2) and the upper shell (1) that is socketed in above lower house (2), Lithium-sulfur cell group body (11) is provided between the upper shell (1) and lower house (2), it is characterised in that：The upper shell (1) Two sides open up fluted (3), the position of lower house (2) respective slot (3) offers hole clipping (14), the groove (3) clamping apparatus (4) is provided with；

The clamping apparatus (4) includes the first housing (41), the side and the side of groove (3) inwall of first housing (41) It is fixedly connected, slidably connects plectane (42) in first housing (41), the side of the plectane (42) passes through the first spring (43) side with the first housing (41) inwall is fixedly connected, and side of the plectane (42) away from the first spring (43), which is fixed, to be connected Kelly (45) is connected to, the one end of the kelly (45) away from plectane (42) passes the first housing (41) and is connected to hole clipping (14) Interior, one end of first housing (41) is fixedly connected with limited block (44), and one end of the limited block (44) is slidably connected at On the surface of kelly (45), the lateral surface of the lower house (2) is fixedly connected with two round bars (6), one end of the round bar (6) The circular hole (7) that is opened up sideways through connecting rod (8) and the outside for extending to circular hole (7), the side of the connecting rod (8) passes through two Individual second spring (9) is fixedly connected with the lateral surface of lower house (2), and two round bars (6) be located at two second springs (9) it Between, the side of the connecting rod (8) is fixedly connected with push rod (10), and the push rod (10) is located between two round bars (6), and pushes away The one end of bar (10) away from connecting rod (8) is injected hole clipping (14) and overlapped with one end of kelly (45).

2. a kind of lithium-sulfur cell group for being easy to repair according to claim 1, it is characterised in that：The upper shell (1) Upper surface offers in two wire holes (12), described two wire holes (12) and is socketed with wire, and one end of two wires Electrically connected respectively with the positive pole and negative pole of lithium-sulfur cell group body (11).

3. a kind of lithium-sulfur cell group for being easy to repair according to claim 1, it is characterised in that：The shape of the hole clipping (14) Shape is rectangle, and the groove (3) is shaped as circle, and the shape of the kelly (45) and push rod (10) is rectangle, described to push away Bar (10) width is more than the diameter of groove (3).

4. a kind of lithium-sulfur cell group for being easy to repair according to claim 1, it is characterised in that：The lower house (2) Bottom is provided with four connectors (13), and the top of four connectors (13) is respectively fixedly connected with lower house (2) lower surface Corner.

5. a kind of lithium-sulfur cell group for being easy to repair according to claim 1, it is characterised in that：The upper shell (1) Upper surface is fixedly connected with handle (5), and handle (5) is located between two wire holes (12).

6. a kind of lithium-sulfur cell group for being easy to repair according to claim 5, it is characterised in that：The handle (5) includes It is fixedly connected with cross bar (52), the surface of the cross bar (52) and is socketed between two montants (51), and two montants (51) Rubber sleeve (53).