Lithium battery PACK cell convenient to disassemble and assemble

Abstract

The lithium battery PACK cell comprises a protective frame, an opening is formed in the protective frame, a taking and placing opening is formed in the surface of the protective frame, a connecting piece is fixed to the top surface of a cavity of the protective frame, and a transmission lead screw is rotationally connected to the bottom surface of the cavity of the protective frame; a lower supporting plate is slidably connected to the inner wall of the cavity of the protective frame, and a battery cell body is mounted between the lower supporting plate and the connecting sheet. The lithium battery PACK battery cell convenient to disassemble and assemble is provided with a transmission lead screw and a lower supporting plate, so that when the device works, a battery cell body is convenient to take and place through a taking and placing opening, when the battery cell body is installed, the lower end of the battery cell body is inserted into a groove of the lower supporting plate, and the inclined inner wall of the groove of the lower supporting plate is convenient for guiding the battery cell; and then the transmission lead screw is rotated to drive the lower supporting plate to ascend so as to fix the battery cell body, so that the speed and the stability of disassembling and assembling the battery cell are favorably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery technical field, concretely is a lithium battery PACK electric core convenient to dismount installation. BACKGROUND

[0002] Lithium battery is a kind of lithium metal or lithium alloy as negative electrode material, using non-aqueous electrolyte solution battery, lithium battery mainly relies on lithium ion to realize charge and discharge in the constant embedding and de-embedding movement between positive and negative.In the charging process, lithium ion is released from positive material, passes through electrolyte solution, and embeds into negative material;When discharging, lithium ion is released from negative electrode, returns to positive electrode, and current is generated, to power external equipment, lithium battery pack refers to the process that multiple single lithium batteries are combined by series and parallel connection, and protection board, shell, connecting device and other components are added, to form a battery pack that can be directly applied to specific equipment or scene.

[0003] The electric core of lithium battery pack is its core component, and the energy density of the electric core determines how much electric energy the lithium battery pack can store under the same volume or weight, and the electric core with high energy density can provide longer endurance time or smaller volume and weight for equipment, such as the pack packaging structure of lithium ion battery disclosed in publication No. "CN220796965U", which "fixes the electric core group in the clamping groove through the cooperation of limiting block and third spring, and can quickly dismount and install the electric core group", but in working, the vibration of the equipment will affect the electric core, since the electric core is only pressed by the baffle pushed by the spring, when impacted by external force, the spring will compress or stretch, resulting in unstable installation of the electric core, and when the spring returns to its original state, the stored elastic potential energy will be released to increase the impact force, and further cause damage to the electric core. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a lithium battery PACK electric core convenient to dismount and install, to solve the problem that the vibration of the equipment will affect the electric core, since the electric core is only pressed by the baffle pushed by the spring, when impacted by external force, the spring will compress or stretch, resulting in unstable installation of the electric core, and when the spring returns to its original state, the stored elastic potential energy will be released to increase the impact force, and further cause damage to the electric core.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: A lithium battery PACK electric core convenient to dismount and install, including the protection frame, its inside is provided with the opening, the surface of protection frame is equipped with the take and put opening, the top surface of protection frame cavity is fixed with the connecting piece, the bottom surface of protection frame cavity is rotatably connected with transmission screw rod, the inner wall of protection frame cavity is slidably connected with lower support plate, the electric core body is installed between lower support plate and connecting piece, the upper end of electric core body is fixed with the connecting block, the upper surface of lower support plate is provided with recess, and the bottom surface of lower support plate recess is slidably connected with support sliding block, the lower surface of support sliding block is fixed with linkage piston column, the inner wall of lower support plate recess is fixed with support air bag, the inner wall of protection frame cavity is fixed with lateral baffle, the inside of lateral baffle is provided with limiting mechanism, and it is pushed through fixed baffle and extrusion opening and the sliding of positioning clamping block.

[0006] Preferably, the width of the take and put opening is greater than the width of the electric core body, and one end of the connecting piece penetrates the upper end side surface of the protection frame.

[0007] The above technical scheme is adopted, and the width of the take and put opening is greater than the width of the electric core body, so that the electric core body is convenient to dismount and install.

[0008] Preferably, the lower support plate and the transmission screw rod are in threaded connection, and the inner wall of the surface recess of the lower support plate is designed to be inclined.

[0009] The above technical scheme is adopted, and the transmission screw rod is rotated, so that the transmission screw rod drives the lower support plate to ascend and descend.

[0010] Preferably, the support sliding block is designed to be disc-shaped, a spring is connected between the linkage piston column and the lower support plate, a gas guide slot is formed between the linkage piston column and the support air bag, and the support air bag is designed to be annular.

[0011] The above technical scheme is adopted, and the support sliding block drives the linkage piston column to move, so that the linkage piston column inflates the gas guide slot.

[0012] Preferably, the limiting mechanism includes a positioning clamping block slidably connected to the inner wall of the lateral baffle side surface opening, a fixed baffle is arranged on the upper surface of the lower support plate, and an extrusion opening is fixed to the surface of the fixed baffle.

[0013] The above technical scheme is adopted, and the sliding of the fixed baffle drives the extrusion opening on the surface of the fixed baffle to move.

[0014] Preferably, one end of the positioning clamping block is designed to be arc-shaped, the other end of the positioning clamping block is designed to be a rubber cushion, and a spring is connected between the positioning clamping block and the lateral baffle.

[0015] Adopting the technical scheme, the arc-shaped one end of the positioning clamping block is pushed by the inclined surface of the extrusion opening.

[0016] Preferably, the fixed baffle penetrates the cavity of the lateral baffle, the bottom surface of the extrusion opening is inclined, and the width of the extrusion opening is greater than the width of the positioning clamping block.

[0017] Adopting the technical scheme, the positioning clamping block is pushed to slide horizontally, so that the positioning clamping block is fixed to the battery body.

[0018] Compared with the prior art, the lithium battery PACK battery cell convenient to disassemble and install has the beneficial effects that:

[0019] 1. The transmission screw and the lower support plate are arranged, so that the battery body can be taken and placed through the taking and placing opening when the device works, the lower end of the battery body is inserted into the groove of the lower support plate when the battery body is installed, and the inclined inner wall of the groove of the lower support plate is used for guiding the battery, so that the installation efficiency is improved, then the transmission screw is rotated to drive the lower support plate to rise and fix the battery body, and the speed and stability of disassembling and assembling the battery are improved.

[0020] 2. The linkage piston column and the support air bag are arranged, so that the lower end of the battery is used for driving the support sliding block and the linkage piston column to descend when the battery is installed, air is pushed into the air guide slot after the linkage piston column moves, the air is filled into the support air bag through the air guide slot, the support air bag is expanded to be attached to the outer wall of the battery, the battery is supported and buffered, the friction force on the battery is increased, the battery is prevented from slipping, and the stability is improved.

[0021] 3. The positioning clamping block and the fixed baffle are arranged, so that the fixed baffle is driven to slide upward by the lower support plate when the device works, the arc-shaped one end of the positioning clamping block is pushed by the inclined bottom surface of the extrusion opening on the surface of the fixed baffle, the positioning clamping block moves horizontally, the rubber cushion at one end of the positioning clamping block is used for pressing and fixing the battery body, the stability of the battery body is further improved, and the protection effect of the device on the battery body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure schematic view of the protective frame and the taking and placing opening connection of the utility model;

[0023] Figure 2 It is a three-dimensional structure schematic view of the protective frame and the connecting piece connection of the utility model;

[0024] Figure 3 It is a three-dimensional structure schematic view of the protective frame and the transmission screw connection of the utility model;

[0025] Figure 4The utility model discloses a lower support plate and electric core body connection three-dimensional structure schematic diagram for the utility model,

[0026] Figure 5 The utility model discloses a lateral baffle and positioning clamping block connection three-dimensional structure schematic diagram for the utility model,

[0027] Figure 6 The utility model discloses a fixed baffle and extrusion opening connection three-dimensional structure schematic diagram.

[0028] In the drawing: 1, protection frame, 2, connecting piece, 3, transmission screw, 4, lower support plate, 5, electric core body, 6, connecting block, 7, support sliding block, 8, linkage piston column, 9, gas guide slot, 10, support air bag, 11, lateral baffle, 12, positioning clamping block, 13, fixed baffle, 14, extrusion opening, 15, taking and placing opening. Specific implementation

[0029] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the range of the utility model protection.

[0030] Please refer to Figures 1-6 The utility model provides a kind of lithium battery PACK electric core convenient to dismount and install, including protection frame 1, connecting piece 2, transmission screw 3, lower support plate 4, electric core body 5, connecting block 6, support sliding block 7, linkage piston column 8, gas guide slot 9, support air bag 10, lateral baffle 11, positioning clamping block 12, fixed baffle 13, extrusion opening 14 and taking and placing opening 15, protection frame 1, its inside is provided with opening, protection frame 1 surface is provided with taking and placing opening 15, the width of taking and placing opening 15 is greater than the width of electric core body 5, one end of connecting piece 2 is penetrated protection frame 1 upper end side surface, lower support plate 4 and transmission screw 3 form screw connection, the inner wall of the surface recess of lower support plate 4 is inclined design, when using the device, first, taking and placing opening 15 on the surface of protection frame 1 is used to take and place electric core body 5, the lower end of electric core body 5 is inserted into the recess of lower support plate 4, then transmission screw 3 is rotated and drives lower support plate 4 to rise, so that lower support plate 4 reaches the connecting block 6 on the upper end of electric core body 5 and the contact of connecting piece 2.

[0031] The top surface of the cavity of the protection frame 1 is fixed with a connecting piece 2, the bottom surface of the cavity of the protection frame 1 is rotatably connected with a transmission screw 3, the inner wall of the cavity of the protection frame 1 is slidably connected with a lower supporting plate 4, the lower supporting plate 4 and the connecting piece 2 are installed with an electric core body 5, the supporting sliding block 7 is disc-shaped, the linkage piston column 8 and the lower supporting plate 4 are connected with a spring, the linkage piston column 8 and the supporting air bag 10 are provided with a gas guiding slot 9, the supporting air bag 10 is annular, when the lower end of the electric core body 5 pushes the supporting sliding block 7, the supporting sliding block 7 drives the linkage piston column 8 at the lower end to slide, the air is pushed into the gas guiding slot 9 through the linkage piston column 8, the gas guiding slot 9 guides the air into the supporting air bag 10, and the supporting air bag 10 is inflated to support and buffer the outer surface of the electric core body 5.

[0032] The upper end of the electric core body 5 is fixed with a connecting block 6, the upper surface of the lower supporting plate 4 is provided with a groove, the bottom surface of the groove of the lower supporting plate 4 is slidably connected with a supporting sliding block 7, the lower surface of the supporting sliding block 7 is fixed with a linkage piston column 8, the inner wall of the groove of the lower supporting plate 4 is fixed with a supporting air bag 10, the limiting mechanism comprises a positioning clamping block 12 which is slidably connected to the inner wall of the opening of the lateral baffle 11, the upper surface of the lower supporting plate 4 is provided with a fixed baffle 13, the surface of the fixed baffle 13 is fixed with an extrusion opening 14, and the upper sliding of the lower supporting plate 4 drives the fixed baffle 13 to rise relative to the lateral baffle 11.

[0033] The inner wall of the cavity of the protection frame 1 is fixed with a lateral baffle 11, the lateral baffle 11 is provided with a limiting mechanism, the limiting mechanism drives the positioning clamping block 12 to slide through the fixed baffle 13 and the extrusion opening 14, one end of the positioning clamping block 12 is arc-shaped, the other end of the positioning clamping block 12 is a rubber cushion, the positioning clamping block 12 and the lateral baffle 11 are connected with a spring, the fixed baffle 13 penetrates the cavity of the lateral baffle 11, the bottom surface of the extrusion opening 14 is inclined, the width of the extrusion opening 14 is greater than the width of the positioning clamping block 12, and after the fixed baffle 13 rises, the extrusion opening 14 on the surface of the fixed baffle 13 extrudes the positioning clamping block 12, the inclined bottom surface of the extrusion opening 14 pushes the arc-shaped one end of the positioning clamping block 12, the positioning clamping block 12 slides horizontally, and then the rubber cushion at the other end of the positioning clamping block 12 presses the electric core body 5, and the installation stability of the device to the electric core body 5 is further improved.

[0034] Working principle: when using the lithium battery PACK cell convenient to disassemble and install, first, the cell body 5 is taken out through the taking and placing opening 15, the cell body 5 is inserted into the groove of the lower supporting plate 4, the lower supporting plate 4 is driven to slide up and down through rotating the transmission screw 3, the connecting block 6 is in contact with the connecting piece 2 and is fixed, at the same time, the supporting slider 7 is extruded by the cell body 5 and drives the linkage piston column 8 to move, the gas guiding slot 9 inflates the supporting air bag 10 to expand and adhere, the lower supporting plate 4 drives the fixed baffle 13 to slide up, the extrusion opening 14 pushes the positioning clamping block 12 to slide horizontally, the cell body 5 is fixed by the positioning clamping block 12, and the practicability of the whole is increased.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lithium battery pack cell that is easy to disassemble and install, comprising a protective frame (1) with an opening provided inside, and a take-in opening (15) provided on the surface of the protective frame (1), characterized in that: A connecting piece (2) is fixed to the top surface of the cavity of the protective frame (1), a transmission screw (3) is rotatably connected to the bottom surface of the cavity of the protective frame (1), a lower support plate (4) is slidably connected to the inner wall of the cavity of the protective frame (1), a battery cell body (5) is installed between the lower support plate (4) and the connecting piece (2), a connecting block (6) is fixed to the upper end of the battery cell body (5), a groove is provided on the upper surface of the lower support plate (4), and a supporting slider (7) is slidably connected to the bottom surface of the groove of the lower support plate (4), a linkage piston column (8) is fixed to the lower surface of the supporting slider (7), a supporting airbag (10) is fixed to the inner wall of the groove of the lower support plate (4), a lateral baffle (11) is fixed to the inner wall of the cavity of the protective frame (1), and a limiting mechanism is provided inside the lateral baffle (11), which pushes the positioning block (12) to slide through the fixed baffle (13) and the extrusion opening (14).

2. The lithium battery pack cell that is easy to disassemble and install according to claim 1, characterized in that: The width of the access opening (15) is greater than the width of the battery cell body (5), and one end of the connecting piece (2) passes through the upper side surface of the protective frame (1).

3. The lithium battery pack cell that is easy to disassemble and install according to claim 1, characterized in that: The lower support plate (4) is threadedly connected to the transmission screw (3), and the inner wall of the groove on the surface of the lower support plate (4) is designed to be inclined.

4. The lithium battery pack cell that is easy to disassemble and install according to claim 1, characterized in that: The support slider (7) is disc-shaped, a spring is connected between the linkage piston column (8) and the lower support plate (4), an air guide slot (9) is provided between the linkage piston column (8) and the support airbag (10), and the support airbag (10) is annular.

5. The lithium battery pack cell that is easy to disassemble and install according to claim 1, characterized in that: The limiting mechanism comprises a positioning block (12) which is slidably connected to the inner wall of the opening on the side surface of the lateral baffle (11); a fixed baffle (13) is provided on the upper surface of the lower support plate (4); and an extrusion opening (14) is fixed on the surface of the fixed baffle (13).

6. The lithium battery pack cell that is easy to disassemble and install according to claim 5, characterized in that: One end of the positioning block (12) is designed to be arc-shaped, and the other end of the positioning block (12) is a rubber cushion. A spring is connected between the positioning block (12) and the lateral baffle (11).

7. The lithium battery pack cell that is easy to disassemble and install according to claim 5, characterized in that: The fixed baffle (13) passes through the cavity of the lateral baffle (11); the bottom surface of the extrusion opening (14) is designed to be inclined, and the width of the extrusion opening (14) is greater than the width of the positioning block (12).

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