Extension mechanism for lithium battery energy storage

Abstract

The utility model provides an expansion mechanism for lithium battery energy storage, and relates to the technical field of lithium batteries, the expansion mechanism comprises a first protective shell, one side of the first protective shell is provided with a notch, a protective seat is rotatably connected in the first protective shell, the protective seat is provided with a plurality of battery jars, the side wall of one of the battery jars is provided with a thread groove, and the thread groove is provided with a thread. A screw rod is in threaded connection in the threaded groove, one end, far away from the threaded groove, of the screw rod sequentially penetrates through the battery jars, the protective seat and the notch, extends to the outside of the first protective shell and is fixedly connected with a turntable, and one side, close to the screw rod, of the turntable is in contact with the first protective shell. By rotating the turntable, the turntable can be far away from the first protective shell, and meanwhile, the screw rod drives the clamping plate to move, so that fixation between the first protective shell and the protective seat and clamping of the clamping plate on the battery main body can be relieved simultaneously, and the protective seat can be conveniently rotated and opened to realize replacement or increase and decrease of the battery main body.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery technical field, specifically, relate to a kind of extension mechanism for lithium battery energy storage. BACKGROUND

[0002] With the rapid development of modern electronic equipment, lithium battery as main portable energy supply device, its application range is increasingly wide, however, the traditional lithium battery energy storage packaging structure is often more fixed in design, once packaging is completed, its energy storage capacity is limited, it is difficult to meet the flexible adjustment of power demand of user in different application scenarios.

[0003] The existing packaging mode mostly adopts structure that cannot be disassembled or is difficult to expand, when user's energy storage demand increases, often only through replacing entire battery pack to realize, which not only causes great waste of resources, also increases user's maintenance cost and time cost. Therefore, the present application makes improvement, and proposes a kind of extension mechanism for lithium battery energy storage. UTILITARY MODEL CONTENT

[0004] The utility model is directed to: for the problem that the existing packaging mode mostly adopts structure that cannot be disassembled or is difficult to expand.

[0005] In order to realize the above-mentioned utility model purpose, the utility model provides an extension mechanism for lithium battery energy storage to improve the above-mentioned problem.

[0006] The present application is as follows:

[0007] An extension mechanism for lithium battery energy storage, comprising a first protective shell, a notch is formed on one side of the first protective shell, a protective seat is rotatably connected in the first protective shell, a plurality of battery slots are formed on the protective seat, a threaded groove is formed on the side wall of one of the battery slots, a lead screw is threadedly connected in the threaded groove, the lead screw extends to the outside of the first protective shell through the plurality of battery slots, the protective seat and the notch in sequence from the end of the lead screw away from the threaded groove, and a turntable is fixedly connected to the end of the lead screw, the side of the turntable close to the lead screw is in contact with the first protective shell, a plurality of clamping plates are sleeved on the outer surface of the lead screw through bearings, and the plurality of clamping plates are respectively located in the plurality of battery slots.

[0008] As a preferred technical solution of the present application, a connecting piece is arranged between the first protective shell and the protective seat.

[0009] As a preferred technical solution of the present application, the connecting piece comprises two connecting holes formed on the first protective shell, a connecting shaft is inserted into each of the two connecting holes, and the ends of the two connecting shafts close to each other are fixedly connected with the protective seat.

[0010] As the preferred technical scheme of the present application, the support plates are fixedly connected between the interiors of the plurality of battery grooves, and the side walls of the support plates are provided with conductive sheets, and the side walls of the plurality of battery grooves are also provided with conductive sheets.

[0011] As the preferred technical scheme of the present application, a part of the battery grooves are placed with battery bodies, and the positive and negative poles of the battery bodies are respectively in contact with two conductive sheets.

[0012] As the preferred technical scheme of the present application, the side walls of the clamping plates and the battery grooves are all provided with avoiding openings for the support plates to pass through.

[0013] As the preferred technical scheme of the present application, the top portions of the conductive sheets and the clamping plates are all provided with grooves for assisting the taking and placing of the battery bodies.

[0014] As the preferred technical scheme of the present application, the side surface of the first protective shell is provided with a clamping groove corresponding to the position of the notch, and a clamping plate is inserted into the clamping groove and fixedly connected to one side of the rotating disc.

[0015] As the preferred technical scheme of the present application, two corners of the protective seat are both provided in an arc shape.

[0016] As the preferred technical scheme of the present application, an operation panel is embedded on the front surface of the protective seat, and a control mainboard is arranged in the protective seat and connected with the operation panel and the conductive sheets.

[0017] Compared with the prior art, the present application has the following beneficial effects:

[0018] In the scheme of the present application:

[0019] In order to solve the problem that the packaging methods in the prior art are mostly non-detachable or difficult to expand, the rotating disc is rotated to move away from the first protective shell, and at the same time, the clamping plate is moved by the lead screw, so that the fixation between the first protective shell and the protective seat and the clamping of the battery body by the clamping plate are simultaneously released, thereby facilitating the rotation of the protective seat to realize the replacement or increase / decrease of the battery body, and the energy storage capacity can be flexibly adjusted according to actual needs, the trouble of frequently replacing the entire battery pack due to insufficient capacity is reduced, and resource waste is significantly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structural schematic diagram of the expansion mechanism for lithium battery energy storage provided by the present application is shown in the figure;

[0021] Figure 2 The explosion view of the expansion mechanism for lithium battery energy storage provided by the present application is shown in the figure;

[0022] Figure 3The structural schematic view of the protection seat of the expansion mechanism for lithium battery energy storage provided in the application after rotation opening;

[0023] Figure 4 The structural schematic view of the clamping plate and the rotating disc of the expansion mechanism for lithium battery energy storage provided in the application;

[0024] Figure 5 The top view cut structure schematic view of the protection seat of the expansion mechanism for lithium battery energy storage provided in the application;

[0025] Figure 6 The structural schematic view of the conductive sheet of the expansion mechanism for lithium battery energy storage provided in the application;

[0026] Figure 7 The structural schematic view of the avoiding opening of the expansion mechanism for lithium battery energy storage provided in the application;

[0027] Figure 8 The top view structural schematic view of the support plate provided in the application;

[0028] Figure 9 The top view structural schematic view of the support plate provided in the application; Figure 2 The enlarged structural schematic view of A in the above figure.

[0029] The figure shows:

[0030] 1, first protection shell; 101, connecting hole; 102, connecting shaft; 103, protection seat; 104, battery groove; 105, screw rod; 106, clamping plate; 107, rotating disc; 108, notch; 109, clamping groove; 110, clamping plate; 111, recess; 2, support plate; 3, conductive sheet; 4, battery main body; 5, operation panel; 6, threaded groove; 8, avoiding opening. DETAILED DESCRIPTION

[0031] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.

[0032] It should be noted that the embodiments and the features and technical schemes in the embodiments in the present application can be combined with each other without conflict.

[0033] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0034] Embodiment 1, please refer to Figures 1-6 A lithium battery energy storage expansion mechanism, comprising a first protective shell 1, a notch 108 is formed on one side of the first protective shell 1, a protective seat 103 is rotatably connected in the first protective shell 1, a plurality of battery grooves 104 are formed on the protective seat 103, a threaded groove 6 is formed on the side wall of one of the battery grooves 104, a lead screw 105 is threadedly connected in the threaded groove 6, the lead screw 105 extends to the outside of the first protective shell 1 through the plurality of battery grooves 104, the protective seat 103 and the notch 108 in sequence and is fixedly connected with a rotating disc 107, the side of the rotating disc 107 close to the lead screw 105 is in contact with the first protective shell 1, a plurality of clamping plates 106 are sleeved on the outer surface of the lead screw 105 through bearings, a through hole is formed on the clamping plate 106, the outer ring of the bearing is fixed on the inner wall of the through hole, and the inner ring of the bearing is fixedly connected with the outer surface of the lead screw 105. The threaded connection between the lead screw 105 and the threaded groove 6 allows the lead screw 105 to move when it rotates, and in turn the lead screw 105 moves to drive the clamping plate 106 to move. The plurality of clamping plates 106 are respectively located in the plurality of battery grooves 104, and the clamping plate 106 is slidably connected with the inner wall of the battery groove 104. By rotating the rotating disc 107, the rotating disc 107 can be moved away from the first protective shell 1, and at the same time the lead screw 105 drives the clamping plate 106 to move, so that the fixation between the first protective shell 1 and the protective seat 103 and the clamping of the clamping plate 106 on the battery body 4 can be released at the same time, and in turn the rotating opening of the protective seat 103 is facilitated to realize the replacement or increase / decrease of the battery body 4, so that the energy storage capacity can be flexibly adjusted according to the actual needs, the trouble of frequently replacing the entire battery pack due to insufficient capacity is reduced, and resource waste is significantly reduced.

[0035] Embodiment 2, the lithium battery energy storage expansion mechanism provided in Embodiment 1 is further optimized, and specifically, a connecting piece is arranged between the first protective shell 1 and the protective seat 103, and the connecting piece is used to connect the first protective shell 1 and the protective seat 103 together.

[0036] Further, as shown in Figures 1-3 , the connecting piece comprises two connecting holes 101 formed on the first protective shell 1, two connecting shafts 102 are inserted into the two connecting holes 101, and the ends of the two connecting shafts 102 close to each other are fixedly connected with the protective seat 103. The connecting shaft 102 and the connecting hole 101 can be connected together to connect the protective seat 103 and the first protective shell 1 together, and the protective seat 103 and the first protective shell 1 can be rotated relative to each other.

[0037] Further, as shown in Figure 2 , Figure 3 , Figure 5 , Figure 6 and Figure 8As shown, the support plates 2 are fixedly connected between the interiors of the plurality of battery grooves 104, and the conductive sheets 3 are arranged on the side walls of the support plates 2. The conductive sheets 3 are also arranged between the side walls of the plurality of battery grooves 104.

[0038] Further, as shown, Figure 2 a part of the battery grooves 104 are used to place the battery bodies 4. In this way, a part of the battery grooves 104 are reserved for the battery bodies 4. The positive and negative poles of the battery bodies 4 are respectively in contact with the two conductive sheets 3, and the conductive sheets 3 are used to realize the electrical connection between the battery bodies 4.

[0039] Further, as shown, Figure 7 the side walls of the clamping plates 106 and the battery grooves 104 are respectively provided with avoiding openings 8, which are used for the support plates 2 to pass through. In this way, the movement of the clamping plates 106 is not affected by the support plates 2.

[0040] Further, as shown, Figure 2 and Figure 3 the top of the conductive sheet 3 and the clamping plate 106 are respectively provided with grooves 111, which are used to assist the taking and placing of the battery bodies 4. The grooves 111 can facilitate the placement of fingers when the battery bodies 4 are taken and placed, thereby facilitating the taking and placing of the battery bodies 4.

[0041] In embodiment 3, the expansion mechanism for the lithium battery energy storage provided in embodiment 1 or 2 is further optimized. Specifically, as shown in Figure 2 and Figure 4 and Figure 9 the side of the first protective shell 1 is provided with a clamping groove 109 corresponding to the position of the notch 108, and a clamping plate 110 is inserted into the clamping groove 109. The clamping plate 110 is fixedly connected to one side of the rotating disc 107. The insertion of the clamping groove 109 and the clamping plate 110 can improve the stability of the fixation between the first protective shell 1 and the protective seat 103.

[0042] Further, as shown, Figure 2 two corners of the protective seat 103 are arc-shaped, and the two arc-shaped corners are Figure 2 the two corners close to the first protective shell 1, as shown. The arc-shaped arrangement facilitates the rotation of the protective seat 103.

[0043] Further, as shown, Figure 2 the front surface of the protective seat 103 is embedded with an operation panel 5, and a control mainboard is arranged in the protective seat 103. The control mainboard is connected with the operation panel 5 and the conductive sheet 3. The operation panel 5 has a power switch, a power consumption interface, and a charging interface. The conductive sheet 3 is made of conductive silicone and is in the shape of a rectangular sheet. The conductive silicone has elasticity, which can improve the contact effect between the positive and negative poles of the battery 4 and the conductive sheet 3 when the battery 4 is inserted between the two conductive sheets 3.

[0044] It should be noted that the screw rod 105 moves synchronously with all the clamping plates 106, the battery body 4 is clamped between the clamping plates 106 and the inner wall of the battery groove 104 close to the operation panel 5, when the clamping plates 106 move towards the operation panel 5, the clamping plates 106 move towards the operation panel 5, the clamping plates 106 cooperate with the inner wall of the battery groove 104 to clamp and fix the battery 4, when the clamping plates 106 move away from the operation panel 5, the clamping and fixing of the battery 4 is released.

[0045] The use process of the expansion mechanism for lithium battery energy storage provided by the utility model is as follows:

[0046] When it is necessary to replace or increase or decrease the battery body 4, the rotating disc 107 is rotated to move the screw rod 105 away from the connecting shaft 102, at this time, the rotating disc 107 is separated from the first protective shell 1, the clamping plate 110 is separated from the clamping groove 109, the screw rod 105 drives the clamping plates 106 to move away from the connecting shaft 102, at this time, the fixing between the protective seat 103 and the first protective shell 1 is released, and the clamping of the clamping plates 106 on the battery body 4 is also released, the protective seat 103 is rotated around the connecting shaft 102 as the center, that is, as shown in the figure, the battery body 4 is replaced or increased or decreased, after the operation is completed, the protective seat 103 is rotated to reset the protective seat 103, then the rotating disc 107 and the screw rod 105 are moved towards the connecting shaft 102, the clamping plate 110 is inserted into the clamping groove 109, at the same time, the clamping plates 106 clamp the battery body 4, so that the two ends of the battery body 4 are connected with the two conductive sheets 3 respectively, and then the control mainboard is powered on, the plurality of battery bodies 4 can be connected in parallel or in series. Figure 3

[0047] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and other terms should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or the interaction relationship of two elements inside two elements, unless another definite limitation. For ordinary skilled in the art, the above terms can be understood according to the specific meaning of the utility model in specific circumstances.

[0048] ​Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.

Claims

1. An extension mechanism for lithium battery energy storage, characterized by, The utility model provides a first protective shell (1) is opened with the gap (108) to one side, rotatable connection has the protective seat (103) in the first protective shell (1), a plurality of battery grooves (104) are opened in the protective seat (103), the sidewall of one of the battery grooves (104) is opened with the thread groove (6), the thread groove (6) is threadedly connected with the lead screw (105), the lead screw (105) one end away from the thread groove (6) passes through a plurality of battery grooves (104), protective seat (103) and gap (108) in proper order and extends to the outside of the first protective shell (1) and is fixedly connected with the rotating disc (107), the rotating disc (107) one side close to the lead screw (105) is in contact with the first protective shell (1), a plurality of clamping plates (106) are sleeved on the outer surface of the lead screw (105) through the bearing, a plurality of clamping plates (106) are located in a plurality of battery grooves (104) respectively.

2. The extension mechanism for lithium battery energy storage of claim 1, wherein, The first protective shell (1) and the protective seat (103) are provided with a connecting piece.

3. The extension mechanism for lithium battery energy storage of claim 2, wherein, The connecting piece comprises two connecting holes (101) formed in the first protective shell (1), and two connecting shafts (102) are inserted into the two connecting holes (101), and the ends of the two connecting shafts (102) close to each other are fixedly connected with the protective seat (103).

4. The extension mechanism for lithium battery energy storage of claim 1, wherein, A plurality of battery grooves (104) are fixedly connected with a support plate (2) between the interiors of the plurality of battery grooves (104), and the sidewall of the support plate (2) is provided with a conductive sheet (3), and the sidewalls of the plurality of battery grooves (104) are also provided with the conductive sheet (3).

5. The extension mechanism for lithium battery energy storage of claim 4, wherein, A part of the battery grooves (104) are placed with a battery body (4), and the positive and negative poles of the battery body (4) are in contact with the two conductive sheets (3) respectively.

6. The extension mechanism for lithium battery energy storage of claim 5, wherein, The sidewalls of the clamping plates (106) and the battery grooves (104) are all provided with avoiding openings (8) for the support plate (2) to pass through.

7. The extension mechanism for lithium battery energy storage of claim 6, wherein, The top of the conductive sheet (3) and the clamping plate (106) is provided with a groove (111), and the groove (111) is used for assisting the taking and placing of the battery body (4).

8. The extension mechanism for lithium battery energy storage of claim 7, wherein, The side surface of the first protective shell (1) is provided with a clamping groove (109) corresponding to the position of the gap (108), the clamping groove (109) is inserted with a clamping plate (110), and the clamping plate (110) is fixedly connected with one side of the rotating disc (107).

9. The extension mechanism for lithium battery energy storage of claim 1, wherein, Two corners of the protective seat (103) are arc-shaped.

10. The extension mechanism for lithium battery energy storage of claim 5, wherein, The front surface of the protective seat (103) is embedded with an operation panel (5), and the protective seat (103) is provided with a control mainboard, and the control mainboard is connected with the operation panel (5) and the conductive sheet (3).

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