Combined power lithium battery

Abstract

The utility model discloses a combined power lithium battery, relates to the field of lithium batteries, and aims to solve the technical problems that different numbers of lithium batteries are required to be used in equipment in the prior art, and since lithium battery packs are independently arranged, different lithium battery pack mounting boxes are required to be adopted for a plurality of lithium batteries in different equipment, and the use cost is high. And the installation is relatively troublesome. T-shaped limiting connecting grooves are formed in the front ends and the rear ends of the end faces of the two sides of the first lithium battery pack correspondingly, rectangular movable grooves are connected to the upper ends of one sides of the interiors of the T-shaped limiting connecting grooves, guide columns are fixedly connected to the middles of the end faces of one sides of the interiors of the rectangular movable grooves, and locking pieces are arranged in the rectangular movable grooves; a guide groove is formed in the locking piece, a shifting piece is fixedly connected to one side of the upper end face of the locking piece, T-shaped limiting parts are fixedly connected to the two sides of the middle of the front end face and the two sides of the middle of the rear end face of the first lithium battery pack, and a second lithium battery pack is connected to one side of the first lithium battery pack.

Description

Technical Field

[0001] The utility model relates to the field of lithium batteries, in particular to a combined power lithium battery. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and non-aqueous electrolyte solutions. Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain metallic lithium and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996. Their safety, specific capacity, self-discharge rate and performance-price ratio are superior to lithium ion batteries. Due to their own high technical requirements, only companies in a few countries are producing such lithium metal batteries.

[0003] At present, different numbers of lithium batteries are required in devices. Since lithium battery packs are all independently set, multiple lithium batteries in different devices need to use different lithium battery pack installation boxes, which makes installation more troublesome. Therefore, the market urgently needs to develop a combined power lithium battery to help people solve the existing problems. Utility Model Content

[0004] The purpose of the utility model is to provide a combined power lithium battery to solve the problem raised in the above background technology that different numbers of lithium batteries are currently needed in equipment. Since the lithium battery packs are all independently arranged, multiple lithium batteries in different equipment need to use different lithium battery pack installation boxes, which makes the installation more troublesome.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined power lithium battery, comprising a first lithium battery group and a second lithium battery group, the front and rear ends of both end surfaces of the first lithium battery group are provided with T-shaped limit connecting grooves, the upper end of one side inside the T-shaped limit connecting groove is connected with a rectangular movable groove, the middle part of one side end surface inside the rectangular movable groove is fixedly connected with a guide column, a locking piece is provided inside the rectangular movable groove, a guide groove is provided inside the locking piece, one side of the locking piece extends to the inside of the T-shaped limit connecting groove and is fixedly connected with a lock tongue, one side of the upper end surface of the locking piece is fixedly connected with a paddle, both sides of the middle part of the front and rear end surfaces of the first lithium battery group are fixedly connected with T-shaped limit parts, the middle upper end of the T-shaped limit part is provided with a locking groove, and one side of the first lithium battery group is connected to the second lithium battery group.

[0006] Preferably, one end of the guide column inside the rectangular movable groove is inserted into the inner guide groove of the locking piece.

[0007] Preferably, a spring is provided on one side of the locking member and outside the guide column.

[0008] Preferably, a strip opening is connected between the upper end of the rectangular movable groove and the upper end surface of the first lithium battery pack, and the upper end of the paddle on the locking member passes through the strip opening and extends out of the upper end surface of the first lithium battery pack.

[0009] Preferably, the second lithium battery pack is obtained by rotating the first lithium battery pack by 90 degrees.

[0010] Preferably, the two T-shaped limit portions on one end surface of the second lithium battery pack slide into the two T-shaped limit connection grooves on one end surface of the first lithium battery pack respectively.

[0011] Preferably, after the T-shaped limiting portion completely slides into the T-shaped limiting connecting groove, a locking tongue on one side of the locking member is inserted into the locking groove on the T-shaped limiting portion.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, through the arrangement of the T-shaped limit connection groove and the T-shaped limit portion, the two T-shaped limit portions on one side end face of the second lithium battery pack slide into the two T-shaped limit connection grooves on one side end face of the first lithium battery pack respectively, so that the second lithium battery pack and the first lithium battery pack are combined and connected, and at the same time, the outer end faces of the second lithium battery pack and the first lithium battery pack can be connected to the first lithium battery pack, so as to realize the combination of different numbers of combined lithium battery packs according to the internal needs of the equipment.

[0014] 2. In the utility model, through the setting of the locking piece, a locking piece is provided inside the rectangular movable groove, a guide groove is provided inside the locking piece, one side of the locking piece extends to the inside of the T-shaped limit connecting groove and is fixedly connected with a locking tongue, and after the T-shaped limit part completely slides into the inside of the T-shaped limit connecting groove, the locking tongue on one side of the locking piece is inserted into the locking groove on the T-shaped limit part, so that the T-shaped limit part slides into the T-shaped limit connecting groove to achieve locking to prevent it from falling out.

[0015] 3. In the utility model, through the setting of the guide column, one end of the guide column inside the rectangular movable groove is inserted into the guide groove inside the locking piece. When the locking piece moves in the rectangular movable groove, the guide column moves synchronously inside the guide groove. A spring is provided on one side of the locking piece and on the outside of the guide column, so that the spring is compressed when the locking piece moves into the rectangular movable groove. At the same time, the guide column is located in the middle of the spring, which can prevent the spring from bending when it contracts, thereby ensuring the stability of the spring movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of a combined power lithium battery of the utility model;

[0017] Figure 2 It is a top view of the utility model;

[0018] Figure 3This is a main cross-sectional view of the T-shaped limiting connection groove of the utility model;

[0019] Figure 4 It is a top sectional view of the utility model;

[0020] Figure 5 It is an enlarged view of the detail A of the utility model;

[0021] Figure 6 It is an enlarged view of detail B of the present utility model.

[0022] In the figure: 1. first lithium battery pack; 2. second lithium battery pack; 3. T-shaped limit connecting groove; 301. rectangular movable groove; 302. guide column; 303. strip opening; 4. locking member; 401. guide groove; 402. spring; 403. locking tongue; 404. paddle; 5. T-shaped limit portion; 501. locking groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-6 The utility model provides an embodiment: a combined power lithium battery, comprising a first lithium battery pack 1 and a second lithium battery pack 2, T-shaped limit connecting grooves 3 are arranged at both ends of the front and rear ends of both end surfaces of the first lithium battery pack 1, a rectangular movable groove 301 is connected to the upper end of one side of the T-shaped limit connecting groove 3, a guide column 302 is fixedly connected to the middle of one side of the end surface of the rectangular movable groove 301, a locking piece 4 is arranged inside the rectangular movable groove 301, a guide groove 401 is arranged inside the locking piece 4, one side of the locking piece 4 extends to the inside of the T-shaped limit connecting groove 3 and is fixedly connected with a lock tongue 403, a paddle 404 is fixedly connected to one side of the upper end surface of the locking piece 4, T-shaped limit parts 5 are fixedly connected to both sides of the middle of the front and rear end surfaces of the first lithium battery pack 1, a locking groove 501 is arranged at the middle upper end of the T-shaped limit part 5, and the second lithium battery pack 2 is connected to one side of the first lithium battery pack 1.

[0025] Furthermore, one end of the guide post 302 inside the rectangular movable groove 301 is inserted into the guide groove 401 inside the locking member 4 . When the locking member 4 moves in the rectangular movable groove 301 , the guide post 302 moves synchronously inside the guide groove 401 .

[0026] Furthermore, a spring 402 is provided on one side of the locking member 4 and on the outside of the guide column 302, so that the spring 402 is compressed when the locking member 4 moves into the rectangular movable groove 301. At the same time, the guide column 302 is located in the middle of the spring 402, which can prevent the spring 402 from bending when it contracts, thereby ensuring the stability of the spring 402 movement.

[0027] Furthermore, a strip opening 303 is connected between the upper end of the rectangular movable groove 301 and the upper end surface of the first lithium battery pack 1. The upper end of the paddle 404 on the locking member 4 passes through the strip opening 303 and extends out of the upper end surface of the first lithium battery pack 1. By pulling the paddle 404 to move along the strip opening 303, the locking member 4 is driven to move along the inside of the rectangular movable groove 301.

[0028] Furthermore, the second lithium battery pack 2 is obtained by rotating the first lithium battery pack 1 by 90 degrees.

[0029] Furthermore, the two T-shaped limit portions 5 on one side end face of the second lithium battery group 2 slide into the two T-shaped limit connection grooves 3 on one side end face of the first lithium battery group 1 respectively, so that the second lithium battery group 2 and the first lithium battery group 1 are combined and connected. At the same time, the outer end faces of the second lithium battery group 2 and the first lithium battery group 1 can be connected to the first lithium battery group 1, so that different numbers of combined lithium battery groups can be combined according to the internal needs of the equipment.

[0030] Furthermore, after the T-shaped limit part 5 completely slides into the T-shaped limit connecting groove 3, the locking tongue 403 on one side of the locking piece 4 is inserted into the locking groove 501 on the T-shaped limit part 5, so that the T-shaped limit part 5 slides into the T-shaped limit connecting groove 3 to be locked to prevent it from falling out.

[0031] Working principle: When in use, different numbers of first lithium battery packs 1 and second lithium battery packs 2 are selected according to the needs inside the device, and the two T-shaped limit parts 5 on one side of the end face of the second lithium battery pack 2 are respectively slid into the two T-shaped limit connection grooves 3 on one side of the end face of the first lithium battery pack 1, so that the second lithium battery pack 2 and the first lithium battery pack 1 are combined and connected, and at the same time, the first lithium battery pack 1 and the second lithium battery pack 2 are connected to the outer end faces of the second lithium battery pack 2 and the first lithium battery pack 1. A rectangular movable groove 301 is connected to the upper end of one side of the T-shaped limit connection groove 3, and a guide column 302 is fixedly connected to the middle of one side of the end face of the rectangular movable groove 301. A lock is arranged inside the rectangular movable groove 301. The fixing member 4 and the locking member 4 are provided with a guide groove 401 inside, and a spring 402 is provided on one side of the locking member 4 and on the outside of the guide column 302, so that the spring 402 is compressed when the locking member 4 moves into the rectangular movable groove 301, and the guide column 302 is located in the middle of the spring 402, which can prevent the spring 402 from bending when it contracts, thereby ensuring the stability of the activity of the spring 402. When the T-shaped limiting portion 5 completely slides into the T-shaped limiting connecting groove 3, the locking tongue 403 on one side of the locking member 4 is inserted into the locking groove 501 on the T-shaped limiting portion 5, so that the T-shaped limiting portion 5 slides into the T-shaped limiting connecting groove 3 to be locked to prevent it from falling out, and the assembled combined lithium battery pack can be installed inside the equipment.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A combined power lithium battery, comprising a first lithium battery pack (1) and a second lithium battery pack (2), characterized in that: The front and rear ends of both side end surfaces of the first lithium battery pack (1) are both provided with T-shaped limit connection grooves (3); the upper end of one side of the T-shaped limit connection groove (3) is connected to a rectangular movable groove (301); the middle of one side of the inner end surface of the rectangular movable groove (301) is fixedly connected to a guide column (302); a locking piece (4) is provided inside the rectangular movable groove (301); a guide groove (401) is provided inside the locking piece (4); one side of the locking piece (4) extends into the inside of the T-shaped limit connection groove (3) and is fixedly connected to a locking tongue (403); one side of the upper end surface of the locking piece (4) is fixedly connected to a paddle (404); both sides of the middle of the front and rear end surfaces of the first lithium battery pack (1) are both fixedly connected to T-shaped limit parts (5); the middle upper end of the T-shaped limit part (5) is provided with a locking groove (501); and one side of the first lithium battery pack (1) is connected to a second lithium battery pack (2).

2. A combined power lithium battery according to claim 1, characterized in that: One end of the guide column (302) inside the rectangular movable groove (301) is inserted into the guide groove (401) inside the locking piece (4).

3. A combined power lithium battery according to claim 1, characterized in that: A spring (402) is provided on one side of the locking member (4) and outside the guide column (302).

4. The combined power lithium battery according to claim 1, characterized in that: A strip-shaped opening (303) is connected between the upper end of the rectangular movable groove (301) and the upper end surface of the first lithium battery pack (1), and the upper end of the paddle (404) on the locking member (4) passes through the strip-shaped opening (303) and extends out of the upper end surface of the first lithium battery pack (1).

5. The combined power lithium battery according to claim 1, characterized in that: The second lithium battery pack (2) is obtained by rotating the first lithium battery pack (1) by 90 degrees.

6. A combined power lithium battery according to claim 5, characterized in that: The two T-shaped limit portions (5) on one end surface of the second lithium battery pack (2) respectively slide into the two T-shaped limit connection grooves (3) on one end surface of the first lithium battery pack (1).

7. A combined power lithium battery according to claim 6, characterized in that: After the T-shaped limiting portion (5) completely slides into the T-shaped limiting connecting groove (3), a locking tongue (403) on one side of the locking member (4) is inserted into the locking groove (501) on the T-shaped limiting portion (5).

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