Lithium battery device with display function

Abstract

The utility model discloses a lithium battery device with a display function, and relates to the technical field of energy equipment. The device comprises a shell, the top of the shell is fixedly connected with a top cover, the other side of the interior of the shell is provided with a storage assembly, and one side of the top cover is further provided with a display assembly; the storage assembly comprises a bottom plate, a winding roller, a lifting frame and a moving frame. The bottom plate is fixedly connected to the other side of the interior of the shell. The display assembly comprises an installation frame, a displayer, a protection plate and a second spring. According to the power line storage device, a power line is wound through a winding roller in the storage assembly, meanwhile, the wound power line is limited through a lifting frame and a moving frame, the problem that in the prior art, the power line is inconvenient to store is solved, a second spring in the protection assembly drives a protection plate to move to the position above a mounting frame, and therefore the power line can be stored conveniently. The display inside the mounting frame is protected, and the problem that the display is inconvenient to protect in the prior art is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of energy equipment, and in particular relates to a lithium battery device with a display function. Background Art

[0002] With the development of society, the emergence of various mechanical equipment or equipment has greatly facilitated people's production and life, making people's lives more intelligent. The use of various mechanical equipment or equipment is inseparable from energy. In order to facilitate the energy supply of these mechanical equipment or equipment, energy equipment will be used. Among them, lithium battery devices are a relatively common energy equipment;

[0003] The existing document with publication number CN214203878U discloses a lithium battery device with a display function, including a lithium battery device body, the lithium battery device body includes a shell, a battery is arranged in the shell, the battery is connected to a PCB board, a single-chip microcomputer is arranged on the PCB board, the PCB board is connected to a shunt and a power line, and the shunt is connected to a display;

[0004] However, it still has the following disadvantages in actual use:

[0005] 1. In the lithium battery device mentioned above, the battery is connected to a PCB board, and a single-chip microcomputer is arranged on the PCB board. At the same time, the PCB board is connected to a shunt and a power line, and the shunt is connected to a display, and the battery parameters are displayed on the display, so that the user can understand the battery status. However, it lacks a structure for storing the power line, and the power line is too long, which affects the transportation and storage of the device;

[0006] 2. In the lithium battery device mentioned above, the battery is provided with a shunt through the PCB board, and the shunt is connected to a display, and the battery parameters are displayed through the display, but it lacks a structure to protect the display, resulting in the display being damaged due to external force during use.

[0007] To this end, we provide a lithium battery device with a display function to solve the above problems. Utility Model Content

[0008] The purpose of the utility model is to provide a lithium battery device with a display function, in which the power cord is wound up by a winding roller in a storage component, and the wound power cord is limited by a lifting frame and a moving frame, thereby solving the existing problem that it is inconvenient to store the power cord. The second spring in the protective component drives the protective plate to move to the top of the installation frame to protect the display inside the installation frame, thereby solving the existing problem that it is inconvenient to protect the display.

[0009] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0010] The utility model is a lithium battery device with a display function, comprising a shell, a storage battery is arranged on one side of the shell, a top cover is fixedly connected to the top of the shell, a storage component is arranged on the other side of the shell, and a display component is also arranged on one side of the top cover;

[0011] The storage assembly includes a bottom plate, a winding roller, a lifting frame and a moving frame, the bottom plate is fixedly connected to the other side of the interior of the shell, the front and rear ends of one side of the upper surface of the bottom plate are fixedly connected to the first mounting seat, the front and rear ends of the winding roller are rotatably connected to the inner side of the first mounting seat, the front and rear ends of the other side of the upper surface of the bottom plate are fixedly connected to the mounting columns, the lifting frame is movably connected between adjacent mounting columns, and the moving frame is movably connected to the front and rear ends of the interior of the lifting frame respectively;

[0012] The display assembly includes a mounting frame, a display, a protective plate and a second spring. The mounting frame passes through one side of the top of the top cover, the display is fixedly connected to the inside of the mounting frame, the protective plate is movably sleeved on the top of the mounting frame along the longitudinal direction, the inner front end of the protective plate is rotatably connected to a cleaning roller along the transverse direction, a movable rod is welded on the rear end surface of the protective plate, the rear end of the movable rod movably passes through the second mounting seat located at the rear end of the top of the top cover and is threadedly sleeved with a limiting nut, the second spring is sleeved on the outside of the movable rod, and both ends of the second spring are respectively fixedly connected to the rear end surface of the protective plate and the front end surface of the second mounting seat.

[0013] The utility model is further configured as follows: the storage batteries are fixedly connected to one side of the inner part of the shell at equal intervals along the longitudinal direction, and a rubber sleeve is sleeved on the outer side of the storage batteries.

[0014] The utility model is further configured as follows: a wiring tube is penetrated through the front and rear ends of the outer wall of one side of the shell, and an insulating pad is bonded to the inner wall of the wiring tube.

[0015] The utility model is further configured as follows: mounting rods are fixedly connected to the upper parts of the outer walls on both sides of the shell, a rotating plate is rotatably sleeved on the outer wall of the mounting rod, connecting plates are welded to the front and rear ends of the upper surface of the rotating plate, connecting grooves are opened on the surfaces of the connecting plates, connecting rods penetrate the inner sides of the connecting grooves, the bottom ends of the connecting rods are respectively welded to the top of the top cover, and a fastening nut is threadedly sleeved on the top end of the connecting rods.

[0016] The utility model is further configured as follows: a partition is sleeved at the center of the outer wall of the winding roller, torsion springs are sleeved on the outer sides of the front and rear ends of the winding roller, and the two ends of the torsion spring are respectively fixedly connected to the first mounting seat and the winding roller.

[0017] The utility model is further configured as follows: the vertical support arms of the mounting column are vertically rotatably connected with screw rods, the outer walls of the screw rods are threadedly sleeved with sliders, one side of the sliders penetrates the mounting column and is respectively welded to the front and rear end surfaces of the lifting frame, the horizontal support arms of the mounting column are centrally rotatably connected with a driving rod, the top of the driving rod is fixedly connected with a knob, the top of the screw rod and the outer wall of the driving rod are sleeved with synchronous wheels, and the synchronous wheels are connected by belt transmission.

[0018] The utility model is further configured as follows: grooves are longitudinally provided on the inner top and bottom of the lifting frame, the front and rear ends of the grooves are movably connected with protrusions, one end of the protrusions passes through the grooves and is respectively welded to the top and bottom of the moving frame, and the front and rear ends of the moving frame are rotatably connected to multiple sets of guide wheels at equal intervals laterally.

[0019] The utility model is further configured as follows: the front and rear ends of one side of the top cover are fixedly connected with fixing seats, a sliding rod is fixedly connected between the front and rear adjacent fixing seats, and the bottom ends of both sides of the protective plate are slidably sleeved on the outer wall of the sliding rod.

[0020] The utility model is further configured as follows: a U-shaped frame is movably connected to the upper front end of the inner side of the protective plate, two ends of the cleaning roller are respectively rotatably connected to the vertical support arms of the U-shaped frame, limiting rods are welded on both sides of the horizontal support arms of the U-shaped frame, the top ends of the limiting rods respectively penetrate the surface of the protective plate and are fixedly connected to the limiting plate, a first spring is fixedly connected to the center position of the lower surface of the limiting plate, and the bottom end of the first spring is fixedly connected to the upper surface of the protective plate.

[0021] The utility model has the following beneficial effects:

[0022] 1. The utility model sets a storage component, drives the winding roller to rotate toward the initial position spontaneously through the torsion spring, and winds up the power cord of the battery through the rotation of the winding roller. At the same time, the winding of the power cord is positioned by the guide wheel inside the moving frame, thereby realizing the storage of the power cord and preventing the power cord from being too long and affecting the transportation and storage of the device.

[0023] 2. The utility model sets a display component, and drives the protective plate to move to the initial position through the movable rod and the second spring, so that the protective plate blocks the top of the installation frame, thereby protecting the display inside the installation frame. At the same time, the protective plate drives the cleaning roller to roll during the movement of the protective plate, and the surface of the display is cleaned by the rolling of the cleaning roller, thereby preventing the display from being damaged by external force during use.

[0024] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is a schematic diagram of the overall structure of a lithium battery device with a display function;

[0027] Figure 2 This is a structural disassembly diagram of the housing of the utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the battery of the utility model;

[0029] Figure 4 This is a structural disassembly diagram of the connection plate of the utility model;

[0030] Figure 5 It is a structural schematic diagram of the storage component of the utility model;

[0031] Figure 6 This is a structural disassembly diagram of the winding roller of the utility model;

[0032] Figure 7 This is a structural disassembly diagram of the lifting frame of the utility model;

[0033] Figure 8 It is a structural schematic diagram of the driving rod of the utility model;

[0034] Fig. 9 It is a schematic diagram of the structure of the display assembly of the utility model;

[0035] Fig.10 It is a structural schematic diagram of the cleaning roller of the utility model.

[0036] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0037] 1-housing, 101-battery, 102-rubber sleeve, 103-wiring tube, 104-insulating pad, 105-connecting plate, 105a-mounting rod, 105b-rotating plate, 105c-connecting groove, 2-top cover, 201-connecting rod, 202-fastening nut, 3-storage assembly, 301-bottom plate, 302-first mounting seat, 303-winding roller, 303a-partition plate, 303b-torsion spring, 304-mounting column, 304a-screw rod, 304b-slider, 304c-synchronous wheel, 304d-belt, 3 05-lifting frame, 305a-groove, 306-moving frame, 306a-bump, 306b-guide wheel, 307-driving rod, 307a-knob, 4-display assembly, 401-mounting frame, 402-display, 403-protective plate, 403a-fixed seat, 403b-sliding rod, 404-cleaning roller, 404a-U-shaped frame, 404b-limiting rod, 404c-limiting plate, 404d-first spring, 405-movable rod, 406-second mounting seat, 407-limiting nut, 408-second spring. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Specific embodiment 1

[0040] See also Figure 1-8 As shown, it is the first embodiment of the utility model, which provides a lithium battery device with a display function, including a shell 1, a battery 101 is arranged on one side of the interior of the shell 1, a top cover 2 is fixedly connected to the top of the shell 1, and a storage component 3 is arranged on the other side of the interior of the shell 1. The storage component 3 includes a bottom plate 301, a winding roller 303, a lifting frame 305 and a moving frame 306. The power cord is wound and stored by the winding roller 303, and the winding of the power cord is limited by the lifting frame 305 and the moving frame 306, which solves the problem that the existing power cord is too long and affects the transportation or storage of the lithium battery device.

[0041] Specifically, the bottom plate 301 is fixedly connected to the other side of the interior of the shell 1, the front and rear ends of one side of the upper surface of the bottom plate 301 are fixedly connected to the first mounting seat 302, the front and rear ends of the winding roller 303 are rotatably connected to the inner side of the first mounting seat 302, the front and rear ends of the other side of the upper surface of the bottom plate 301 are fixedly connected to the mounting posts 304, the lifting frame 305 is movably connected between adjacent mounting posts 304, and the moving frame 306 is movably connected to the front and rear ends of the interior of the lifting frame 305, respectively. The bottom plate 301 is set to install structures such as the first mounting seat 302 and the mounting posts 304, and the first mounting seat 302 and the mounting posts 304 are set to install the winding roller 303 and the moving frame 306, respectively. At the same time, the appearance of the mounting post 304 is U-shaped, the power cord is stored by the setting of the winding roller 303, the height of the moving frame 306 is adjusted by the lifting frame 305, and the winding of the power cord is limited by the moving frame 306.

[0042] Furthermore, the battery 101 is fixedly connected to one side of the inner part of the housing 1 at equal intervals in the longitudinal direction, and a rubber sleeve 102 is provided on the outer side of the battery 101. The rubber sleeve 102 is provided to protect the battery 101 to prevent the battery 101 from being damaged by external force. At the same time, the battery 101 is a rechargeable lithium battery, and the connection between the batteries 101 is one of series connection and parallel connection.

[0043] The front and rear ends of the outer wall of one side of the housing 1 are penetrated by a wiring tube 103, and an insulating pad 104 is bonded to the inner wall of the wiring tube 103. The arrangement of the wiring tube 103 facilitates the extraction of the power line inside the housing 1, and the arrangement of the insulating pad 104 prevents leakage due to damage of the power line;

[0044] The upper part of the outer wall of both sides of the shell body 1 is fixedly connected with a mounting rod 105a, and a rotating plate 105b is rotatably sleeved on the outer wall of the mounting rod 105a. The upper surface of the rotating plate 105b is welded with a connecting plate 105 at the front and rear ends. The surface of the connecting plate 105 is provided with a connecting groove 105c, and the inner side of the connecting groove 105c is penetrated by a connecting rod 201. The bottom end of the connecting rod 201 is respectively welded to the top of the top cover 2, and the top thread sleeve of the connecting rod 201 is provided with a fastening nut 202. The installation rod 105a and the rotating plate 105b are used to movably install the connecting plate 105, and the shell body 1 and the top cover 2 are fixed by the connection plate 105 and the connection rod 201. The connection groove 105c is used to connect the connecting plate 105 and the connecting rod 201, and the fastening nut 202 is used to fix the connecting plate 105 and the connecting rod 201.

[0045] A partition 303a is sleeved at the center of the outer wall of the winding roller 303, and a torsion spring 303b is sleeved on the outer sides of the front and rear ends of the winding roller 303. The two ends of the torsion spring 303b are respectively fixedly connected to the first mounting seat 302 and the winding roller 303. The partition 303a is used to separate the positive and negative poles of the battery 101. At the same time, the torsion spring 303b drives the winding roller 303 to rotate spontaneously to the initial position.

[0046] The vertical support arms of the mounting column 304 are all connected with screw rods 304a for vertical rotation, and the outer walls of the screw rods 304a are all threadedly sleeved with sliders 304b, one side of the sliders 304b penetrates the mounting column 304 and is respectively welded to the front and rear end surfaces of the lifting frame 305, and the horizontal support arms of the mounting column 304 are centrally rotatably connected with a driving rod 307, and the top of the driving rod 307 is fixedly connected with a knob 307a, and the top of the screw rod 304a and the outer wall of the driving rod 307 are sleeved with synchronous wheels 304c, and the synchronous wheels 304c are connected by belts 304d for transmission, and the screw rod 304a and the sliders 304b are arranged to movably install the lifting frame 305 between the mounting columns 304, and the driving rod 307 is arranged to drive the synchronous wheels 304c to rotate, and the screw rod 304a is driven to rotate by the transmission action between the synchronous wheels 304c and the belts 304d, and the knob 307a is arranged to facilitate the rotation of the driving rod 307;

[0047] Grooves 305a are longitudinally provided at the inner top and bottom of the lifting frame 305, and the front and rear ends of the grooves 305a are movably connected with protrusions 306a. One end of the protrusion 306a passes through the groove 305a and is welded to the top and bottom of the moving frame 306 respectively. The front and rear ends of the moving frame 306 are rotatably connected to multiple sets of guide wheels 306b at equal intervals in the horizontal direction. The setting of the grooves 305a and the protrusions 306a enables the moving frame 306 to be movably installed at the front and rear ends of the lifting frame 305, and the setting of the guide wheels 306b is used to guide the movement of the power cord, so that the power cord can pass through the moving frame 306.

[0048] The operation process of this embodiment is as follows: when the battery 101 needs to be connected, the power cord is first wound around the winding roller 303, and one end of the power cord is electrically connected to the battery 101, and the other end of the power cord is passed through the wiring tube 103 and electrically connected to other equipment. When both ends of the power cord are installed, the winding roller 303 is rotated to the initial position under the action of the torsion spring 303b, and the excess power cord is stored by the rotation of the winding roller 303. Specific embodiment 2

[0050] See also Figure 9-10As shown, it is the second embodiment of the utility model, which is based on the previous embodiment, but is different from the previous embodiment in that a display assembly 4 is also provided on one side of the top cover 2, and the display assembly 4 includes a mounting frame 401, a display 402, a protective plate 403 and a second spring 408. The protective plate 403 is driven by the second spring 408 to protect the display 402, thereby solving the existing problem of inconvenience in protecting the display 402.

[0051] Specifically, the mounting frame 401 passes through one side of the top of the top cover 2, the display 402 is fixedly connected to the inside of the mounting frame 401, the protective plate 403 is movably sleeved on the top of the mounting frame 401 along the longitudinal direction, the inner front end of the protective plate 403 is rotatably connected to the cleaning roller 404 along the transverse direction, and a movable rod 405 is welded on the rear end surface of the protective plate 403, the rear end of the movable rod 405 movably passes through the second mounting seat 406 located at the rear end of the top of the top cover 2 and is threadedly sleeved with a limiting nut 407, the second spring 408 is sleeved on the outside of the movable rod 405, and the two ends of the second spring 408 are respectively fixedly connected to the rear end surface and On the front end surface of the second mounting seat 406, the mounting frame 401 is used to install the display 402, and the display 402 is electrically connected to the battery 101 in the shell 1 through a wire. The parameters of the battery 101 are displayed through the setting of the display 402. The protective plate 403 is used to protect the display 402 inside the mounting frame 401, and the cleaning roller 404 is used to automatically clean the dust adhered to the surface of the display 402. At the same time, the protective plate 403 is driven to perform a spontaneous reset movement through the setting of the movable rod 405, the second mounting seat 406 and the second spring 408.

[0052] Furthermore, the front and rear ends of one side of the top of the top cover 2 are fixedly connected with a fixing seat 403a, and a sliding rod 403b is fixedly connected between the front and rear adjacent fixing seats 403a. The bottom ends of both sides of the protective plate 403 are slidably sleeved on the outer wall of the sliding rod 403b. The setting of the fixing seat 403a is used to install the sliding rod 403b, and the protective plate 403 is movably installed on the top cover 2 through the setting of the sliding rod 403b.

[0053] A U-shaped frame 404a is movably connected to the upper front end of the inner side of the protective plate 403, and both ends of the cleaning roller 404 are rotatably connected to the vertical support arms of the U-shaped frame 404a. Limiting rods 404b are welded on both sides of the horizontal support arms of the U-shaped frame 404a. The top ends of the limiting rods 404b respectively penetrate the surface of the protective plate 403 and are fixedly connected to the limiting plate 404c. A first spring 404d is fixedly connected to the center position of the lower surface of the limiting plate 404c, and the bottom end of the first spring 404d is fixedly connected to the upper surface of the protective plate 403. The U-shaped frame 404a is used to movably install the cleaning roller 404, and the limiting rods 404b and the limiting plate 404c are used to limit the movement of the U-shaped frame 404a, and the first spring 404d is used to drive the cleaning roller 404 and the U-shaped frame 404a to reset spontaneously.

[0054] The rest of the structure is the same as implementation one.

[0055] The operation process of this embodiment is as follows: when the display 402 needs to be used, an external force is applied to the protective plate 403 to make the protective plate 403 slide to the rear side, and when the protective plate 403 is separated from the mounting frame 401, the display 402 is exposed, and the parameters of the battery 101 are viewed through the display 402, and the protective plate 403 is released after viewing. At this time, under the elastic deformation and reset action of the second spring 408, the protective plate 403 spontaneously moves to the initial position, so that the protective plate 403 protects the display 402 again, and at the same time, the protective plate 403 drives the cleaning roller 404 to roll on the display 402 during the movement, and the dust adhering to the display 402 is cleaned by the rolling of the cleaning roller 404.

[0056] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0057] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A lithium battery device with a display function, comprising a housing (1), a storage battery (101) being arranged on one side of the interior of the housing (1), and a top cover (2) being fixedly connected to the top of the housing (1), characterized in that: A storage assembly (3) is provided on the other side of the interior of the shell (1), and the storage assembly (3) comprises a bottom plate (301), a winding roller (303), a lifting frame (305) and a moving frame (306); the bottom plate (301) is fixedly connected to the other side of the interior of the shell (1), and the front and rear ends of one side of the upper surface of the bottom plate (301) are fixedly connected to the first mounting seat (302), the front and rear ends of the winding roller (303) are rotatably connected to the inner side of the first mounting seat (302), the front and rear ends of the other side of the upper surface of the bottom plate (301) are fixedly connected to the mounting posts (304), the lifting frame (305) is movably connected between adjacent mounting posts (304), and the moving frame (306) is movably connected to the front and rear ends of the interior of the lifting frame (305) respectively; A display assembly (4) is also provided on one side of the top cover (2), and the display assembly (4) comprises a mounting frame (401), a display (402), a protective plate (403) and a second spring (408), wherein the mounting frame (401) passes through one side of the top of the top cover (2), and the display (402) is fixedly connected to the inside of the mounting frame (401), and the protective plate (403) is movably sleeved on the top of the mounting frame (401) in the longitudinal direction, and the inner front end of the protective plate (403) is rotatable in the transverse direction. A cleaning roller (404) is connected, a movable rod (405) is welded on the rear end surface of the protective plate (403), and the rear end of the movable rod (405) movably passes through a second mounting seat (406) located at the rear end of the top cover (2) and is threadedly sleeved with a limiting nut (407), a second spring (408) is sleeved on the outside of the movable rod (405), and the two ends of the second spring (408) are respectively fixedly connected to the rear end surface of the protective plate (403) and the front end surface of the second mounting seat (406).

2. A lithium battery device with display function according to claim 1, characterized in that: The storage batteries (101) are fixedly connected to one side of the interior of the housing (1) at equal intervals along the longitudinal direction, and a rubber sleeve (102) is sleeved on the outer side of the storage batteries (101).

3. A lithium battery device with display function according to claim 2, characterized in that: A wiring tube (103) is passed through the front and rear ends of the outer wall of one side of the shell (1), and an insulating pad (104) is bonded to the inner wall of the wiring tube (103).

4. A lithium battery device with display function according to claim 1, characterized in that: The upper part of the outer walls on both sides of the shell (1) is fixedly connected with a mounting rod (105a), and a rotating plate (105b) is rotatably sleeved on the outer wall of the mounting rod (105a), and connecting plates (105) are welded at the front and rear ends of the upper surface of the rotating plate (105b), and the surface of the connecting plate (105) is provided with a connecting groove (105c), and the inner side of the connecting groove (105c) is penetrated by a connecting rod (201), and the bottom end of the connecting rod (201) is respectively welded to the top of the top cover (2), and a fastening nut (202) is threadedly sleeved on the top end of the connecting rod (201).

5. The lithium battery device with display function according to claim 1, characterized in that: A partition plate (303a) is sleeved at the center of the outer wall of the winding roller (303), and torsion springs (303b) are sleeved on the outer sides of the front and rear ends of the winding roller (303), and the two ends of the torsion spring (303b) are respectively fixedly connected to the first mounting seat (302) and the winding roller (303).

6. The lithium battery device with display function according to claim 1, characterized in that: The vertical support arms of the mounting column (304) are connected to the screw rod (304a) in a vertical rotational manner, and the outer wall of the screw rod (304a) is threadedly sleeved with a slider (304b), one side of the slider (304b) passes through the mounting column (304) and is respectively welded to the front and rear end surfaces of the lifting frame (305), the horizontal support arm of the mounting column (304) is centrally connected to the driving rod (307), and the top end of the driving rod (307) is fixedly connected to the knob (307a), the top end of the screw rod (304a) and the outer wall of the driving rod (307) are sleeved with a synchronous wheel (304c), and the synchronous wheels (304c) are connected by a belt (304d) for transmission.

7. The lithium battery device with display function according to claim 1, characterized in that: The inner top and bottom of the lifting frame (305) are provided with grooves (305a) along the longitudinal direction, and the front and rear ends of the grooves (305a) are movably connected with protrusions (306a), one end of the protrusion (306a) passes through the groove (305a) and is respectively welded to the top and bottom of the moving frame (306), and the front and rear ends of the moving frame (306) are rotatably connected to multiple sets of guide wheels (306b) at equal intervals along the transverse direction.

8. The lithium battery device with display function according to claim 1, characterized in that: The front and rear ends of one side of the top of the top cover (2) are fixedly connected to fixed seats (403a), and a sliding rod (403b) is fixedly connected between the front and rear adjacent fixed seats (403a), and the bottom ends of both sides of the protective plate (403) are slidably sleeved on the outer wall of the sliding rod (403b).

9. The lithium battery device with display function according to claim 1, characterized in that: A U-shaped frame (404a) is movably connected to the upper part of the inner front end of the protective plate (403), and the two ends of the cleaning roller (404) are rotatably connected to the vertical support arms of the U-shaped frame (404a), and limiting rods (404b) are welded on both sides of the horizontal support arms of the U-shaped frame (404a), and the top ends of the limiting rods (404b) respectively penetrate the surface of the protective plate (403) and are fixedly connected to the limiting plate (404c), and the center position of the lower surface of the limiting plate (404c) is fixedly connected to a first spring (404d), and the bottom end of the first spring (404d) is fixedly connected to the upper surface of the protective plate (403).

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