CN209600249U - A kind of New-energy electric vehicle battery pack being conveniently replaceable - Google Patents

Abstract

The utility model discloses a kind of New-energy electric vehicle battery packs being conveniently replaceable of battery pack technical field, including cabinet, cabinet top is provided with top cover, bottom of box inner wall is connect with supporting block, cabinets cavity is provided with battery pack, battery pack bottom outer wall fits with supporting block top exterior walls, inner wall offers shifting chute at left and right sides of cabinet, outer wall is provided with movable block at left and right sides of battery pack, limited block is turned into lower section in device, contact limited block not with compression bar, it is expanded by reset spring, remove connecting rod from connecting hole, to make compression bar disappear the pressure of movable block and battery pack, also top cover is made to connect release with cabinet, it is expanded by support spring, battery pack is pushed to cabinet top, facilitate and takes out battery pack from cabinet, it is conveniently replaceable battery pack, make battery pack in the place of not tool It can also open, reduce work difficulty.

Description

A new energy electric vehicle battery pack that is easy to replace

technical field

The utility model relates to the technical field of battery packs, in particular to a new energy electric vehicle battery pack which is easy to replace.

Background technique

When the existing new energy electric vehicles are used for a long time, the battery in the battery pack is prone to problems and needs to be repaired or replaced. However, the battery pack is generally fixed inside the box by welding or bolting, making it difficult to disassemble. , need to have certain tools to take out the battery pack, which is cumbersome and time-consuming. For this reason, we propose a new energy electric vehicle battery pack that is easy to replace.

Utility model content

The purpose of this utility model is to provide a new energy electric vehicle battery pack that is easy to replace, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a new energy electric vehicle battery pack that is easy to replace, including a box, the top of the box is provided with a top cover, the inner wall of the bottom of the box is connected to the support block, and the inner cavity of the box is set There is a battery pack, the outer wall at the bottom of the battery pack fits the outer wall at the top of the support block, the inner walls on the left and right sides of the box are provided with moving slots, the outer walls on the left and right sides of the battery pack are equipped with moving blocks, and the moving block is plugged in at the end far away from the battery pack In the inner cavity of the moving tank, the inner wall at the bottom of the moving tank is connected to the supporting spring, the top of the supporting spring is attached to the outer wall at the bottom of the moving block, the outer walls on the left and right sides of the top of the top cover are connected with pressing rods, and the bottom end of the pressing rod extends to the moving block. The inner cavity of the groove fits with the outer wall of the top of the moving block. The outer walls on the left and right sides of the box are provided with rotating shafts. One end of the group of connecting rods close to each other runs through two groups of pressure rods respectively, and a connection hole is opened at the connection part of the pressure rod and the connecting rod, the outer wall of the top of the connecting rod is connected with the limit block, and the outer wall of the side of the two groups of limit blocks far away from each other is connected with the two The outer walls of the tops of the groups of pressure rods close to each other are fitted together, and the outer walls of the left and right sides of the top of the top cover are provided with slots.

Preferably, the battery pack includes a storage box, the bottom of the inner cavity of the storage box is evenly arranged with batteries, the top of the storage box is connected to the cover plate, the outer wall at the bottom of the cover plate is attached to the top of the battery, and the outer walls on the left and right sides of the top of the storage box are provided with insertion rods , the top of the insertion rod runs through the cover plate, and the outer walls on the left and right sides of the top of the cover plate are provided with fixing rods. The outer wall of the bottom of the rod is connected with the slider, and the bottom end of the slider is inserted into the inner cavity of the chute. The outer wall of the two sets of sliders close to each other is equipped with a spring, and the end of the two sets of springs close to each other is connected to the two sets of chute close to each other. One side inner wall connection.

Preferably, the bottom outer wall of the top cover is connected to the buffer device, the bottom end of the buffer device is connected to the pressure plate, and the bottom outer wall of the pressure plate is attached to the top outer wall of the battery pack.

Preferably, a torsion spring is sleeved on the outer wall of the connecting rod, one end of the torsion spring is connected to the outer wall of the connecting rod, and the other end of the torsion spring is connected to the inner wall of the sleeve.

Preferably, the width of the vertical section of the slot is greater than the width of the vertical section of the limiting block, and the sum of the width of the vertical section of the limiting block and the width of the vertical section of the connecting rod is smaller than the width of the vertical section of the connecting hole.

Preferably, return springs are provided on the left and right outer walls of the box, and the ends of the two sets of return springs that are far away from each other are connected to the outer walls of the side of the two sets of support rods that are close to each other.

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

1. In the device, turn the limit block to the bottom, so that the limit block does not contact the pressure rod, and the return spring expands to move the connecting rod out of the connection hole, so that the connection between the pressure rod and the connecting rod is disconnected, so that the pressure rod The pressure of the rod on the moving block and the battery pack disappears, and the connection between the top cover and the box body is loosened, and the support spring expands to push the battery pack to the top of the box body, making it easy to take out the battery pack from the box body and replace the battery Avoid welding or bolting the battery pack, which will make it difficult to take out the battery pack, improve the efficiency of battery pack replacement, and enable the battery pack to be opened without tools, reducing the difficulty of work;

2. Move the fixing rod inward to loosen the connection between the fixing rod and the insertion rod, and loosen the connection between the cover plate and the storage box, so that the battery pack can be opened easily, and a single or partially damaged battery can be easily replaced without the need for overall replacement, saving resources and cost.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a structural schematic diagram of the utility model battery pack;

Fig. 3 is a schematic diagram of the connection structure between the connecting rod and the bushing of the utility model.

In the figure: 1, box body; 2, top cover; 3, support block; 4, battery pack; 41, storage box; 411, fixing rod; 412, inserting rod; 413, slider; 42, battery; 43, cover Plate; 5, moving groove; 6, moving block; 7, supporting spring; 8, pressing rod; 9, rotating shaft; 10, supporting rod; 11, casing; 12, return spring; 13, connecting rod; 14, connecting hole ; 15, limit block; 16, slotting; 17, buffer device; 18, pressure plate; 19, torsion spring.

Detailed ways

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

Please refer to Figures 1-3, the utility model provides a technical solution: a new energy electric vehicle battery pack that is easy to replace, including a box body 1, a top cover 2 is provided on the top of the box body 1, and a bottom inner wall of the box body 1 and a support The block 3 is connected, and the support block 3 is made of insulating rubber material, which acts as a buffer. The inner cavity of the box body 1 is provided with a battery pack 4, and the outer wall of the bottom of the battery pack 4 is attached to the outer wall of the top of the support block 3. Both are provided with a moving slot 5, and the outer walls of the left and right sides of the battery pack 4 are provided with a moving block 6, and the end of the moving block 6 far away from the battery pack 4 is plugged into the inner cavity of the moving slot 5, and the bottom inner wall of the moving slot 5 is connected to the support spring 7 , the top of the support spring 7 fits with the outer wall of the bottom of the moving block 6, the support spring 7 expands, and pushes the pressing rod 8 upwards, so that the connecting rod 13 and the pressing rod 8 fit closely, and it is also convenient for the moving block 6 to move upwards, and it is convenient to take out the battery Package 4, the outer walls on the left and right sides of the top of the top cover 2 are inserted through the pressure rod 8, the bottom of the pressure rod 8 extends to the inner cavity of the moving groove 5 and fits with the outer wall of the top of the moving block 6, the left and right sides of the box body 1 The outer wall is provided with a rotating shaft 9, the top of the rotating shaft 9 is connected with the support rod 10, the top of the support rod 10 is connected with the casing 11, and the inner cavity of the casing 11 is inserted with a connecting rod 13, and the two groups of connecting rods 13 are connected to each other. A group of pressure rods 8, a connection hole 14 is provided at the connection part of the pressure rod 8 and the connecting rod 13, the outer wall of the top of the connecting rod 13 is connected with the limit block 15, and the outer wall of the side of the two sets of limit blocks 15 away from each other is connected with the two sets of pressure rods. 8. The top outer walls of the sides that are close to each other are fitted together, and the connecting rod 13 is rotated to rotate the limit block 15 to the bottom, so that the limit block 15 is not in contact with the pressing rod 8, and the return spring 12 is expanded to make the connecting rod 13 from the connection The hole 14 is moved out, so that the connection between the pressure rod 8 and the connecting rod 13 is disconnected, so that the pressure of the pressure rod 8 on the moving block 6 and the battery pack 4 disappears, and the connection between the top cover 2 and the box body 1 is loosened, and through the support The spring 7 expands to push the battery pack 4 to the top, so that the battery pack 4 can be easily taken out from the box body 1, and the battery pack 4 can be replaced easily. The limit block 15 can be removed from the top cover 2 .

Wherein, the battery pack 4 includes a storage box 41, the bottom of the inner cavity of the storage box 41 is evenly provided with batteries 42, the top of the storage box 41 is connected to the cover plate 43, the outer wall of the bottom of the cover plate 43 is attached to the top of the battery 42, and the top of the storage box 41 is left and right. The outer walls on both sides are provided with insertion rods 412, and the top ends of the insertion rods 412 run through the cover plate 43, and the outer walls on the left and right sides of the top of the cover plate 43 are provided with fixing rods 411, and the ends of the two sets of fixing rods 411 that are far away from each other respectively penetrate two sets of insertion rods 412 , the outer walls on the left and right sides of the top of the cover plate 43 are provided with chute, the outer wall at the bottom of the fixed rod 411 is connected with the slider 413, the bottom end of the slider 413 is inserted into the inner cavity of the chute, and the outer walls on one side of the two sets of sliders 413 are close to each other Both are equipped with springs, and the springs are expanded to make the fixed rod 411 and the insertion rod 412 fit tightly. The connection between 411 and the insertion rod 412 is loosened, so that the connection between the cover plate 43 and the storage box 41 is loosened, so that the battery pack 4 can be opened conveniently, and a single or partially damaged battery 42 can be easily replaced without the need for overall replacement, saving resources and costs;

The bottom outer wall of the top cover 2 is connected to the buffer device 17, the bottom end of the buffer device 17 is connected to the pressure plate 18, the bottom outer wall of the pressure plate 18 is attached to the top outer wall of the battery pack 4, and the buffer device 17 is telescopic, so that the battery pack 4 placed on the top of the support block 3 The height of the battery pack 4 can be changed, and the buffer device 17 is telescopic at the same time, so that the battery pack 4 is placed more stably;

The outer wall of the connecting rod 13 is sleeved with a torsion spring 19, one end of the torsion spring 19 is connected with the outer wall of the connecting rod 13, and the other end of the torsion spring 19 is connected with the inner wall of the casing 11, and the torsion spring 19 ensures that the connecting rod 13 will not rotate automatically, ensuring the connection The stability that bar 13 is connected with pressure bar 8;

The width of groove 16 vertical sections is greater than the width of stop block 15 vertical sections, makes the stop block 15 that forwards below can be removed from top cover 2, and the width of stop block 15 vertical sections is the same as that of connecting rod 13 vertical sections. The sum of the widths is less than the width of the vertical section of the connecting hole 14, so that the connecting rod 13 can be removed from the connecting hole 14;

The outer walls of the left and right sides of the box body 1 are provided with return springs 12, and the ends of the two sets of return springs 12 are connected to the outer walls of the side of the two sets of support rods 10, and the return springs 12 are expanded to pull the connecting rods 13 to the outside. It is convenient for the connecting rod 13 to be removed from the connecting hole 14. When connecting, the limit block 15 and the pressing rod 8 are fitted more tightly, and the stability of the connection between the pressing rod 8 and the connecting rod 13 is increased.

Working principle: Turn the connecting rod 13, turn the limit block 15 to the bottom, so that the limit block 15 is not in contact with the pressure rod 8, expand the return spring 12, and move the connecting rod 13 out of the connection hole 14, so that the pressure rod 8 The connection with the connecting rod 13 is disconnected, so that the pressure of the pressing rod 8 on the moving block 6 and the battery pack 4 disappears, and the connection between the top cover 2 and the box body 1 is also loosened, and the support spring 7 is expanded to push the battery pack 4 toward Push the top of the box body 1 to facilitate the battery pack 4 to be taken out from the box body 1, to facilitate the replacement of the battery pack 4, so that the battery pack 4 can also be opened in places without tools, reducing the difficulty of work, and then moving the fixing rod 411 inwardly, Loosen the connection between the fixing rod 411 and the insertion rod 412, and loosen the connection between the cover plate 43 and the storage box 41, so that the battery pack 4 can be easily opened, and a single or partially damaged battery 42 can be easily replaced without the need for overall replacement, saving resources and costs , after the replacement, put the battery pack 4 back.

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

Claims (6)

1. a kind of New-energy electric vehicle battery pack being conveniently replaceable, including cabinet (1), it is characterised in that: cabinet (1) top is set It is equipped with top cover (2), cabinet (1) bottom interior wall is connect with supporting block (3), and cabinet (1) inner cavity is provided with battery pack (4), battery pack (4) bottom outer wall fits with supporting block (3) top exterior walls, and inner wall offers shifting chute (5) at left and right sides of cabinet (1), electricity Outer wall is provided with movable block (6) at left and right sides of Chi Bao (4), and movable block (6) is plugged on shifting chute far from the one end of battery pack (4) (5) inner cavity, shifting chute (5) bottom interior wall are connect with support spring (7), outside support spring (7) top and movable block (6) bottom Wall fits, and left and right sides outer wall, which runs through, at the top of top cover (2) is plugged with compression bar (8), and compression bar (8) bottom end extends to shifting chute (5) inner cavity simultaneously fits with movable block (6) top exterior walls, and outer wall is provided with shaft (9), shaft at left and right sides of cabinet (1) (9) top is connect with support rod (10), and support rod (10) top is connect with casing (11), and casing (11) inner cavity is plugged with connecting rod (13), two groups of connecting rod (13) one end close to each other extend through two groups of compression bars (8), the company of compression bar (8) and connecting rod (13) Socket part position offers connecting hole (14), and connecting rod (13) top exterior walls are connect with limited block (15), and two groups of limited blocks (15) are mutual Separate side outer wall fits with two groups of compression bar (8) side top exterior walls close to each other, and the left and right sides is outer at the top of top cover (2) Wall offers fluting (16).

2. a kind of New-energy electric vehicle battery pack being conveniently replaceable according to claim 1, it is characterised in that: battery pack It (4) include storage box (41), storage box (41) intracavity bottom is evenly arranged with battery (42), storage box (41) top and cover board (43) it connects, cover board (43) bottom outer wall fits with battery (42) top, and left and right sides outer wall is all provided at the top of storage box (41) It is equipped with inserted link (412), cover board (43) are run through on inserted link (412) top, and left and right sides outer wall is provided with fixation at the top of cover board (43) Bar (411), one end that two groups of fixed links (411) are located remotely from each other extend through two groups of inserted links (412), left and right two at the top of cover board (43) Side outer wall offers sliding slot, and fixed link (411) bottom outer wall is connect with sliding block (413), and sliding block (413) bottom end is plugged on sliding slot Inner cavity, two groups of sliding block (413) side outer walls close to each other are provided with spring, two groups of springs one end close to each other with two groups Sliding slot inner wall connection in side close to each other.

3. a kind of New-energy electric vehicle battery pack being conveniently replaceable according to claim 1, it is characterised in that: top cover (2) bottom outer wall is connect with buffer unit (17), and buffer unit (17) bottom end is connect with pressing plate (18), pressing plate (18) bottom outer wall It fits with battery pack (4) top exterior walls.

4. a kind of New-energy electric vehicle battery pack being conveniently replaceable according to claim 1, it is characterised in that: connecting rod (13) outer wall is socketed with torsional spring (19), and torsional spring (19) one end is connect with the outer wall of connecting rod (13), torsional spring (19) other end and set Manage the inner wall connection of (11).

5. a kind of New-energy electric vehicle battery pack being conveniently replaceable according to claim 1, it is characterised in that: fluting (16) width of vertical section is greater than the width of limited block (15) vertical section, the width and connecting rod (13) of limited block (15) vertical section The sum of width of vertical section is less than the width of connecting hole (14) vertical section.

6. a kind of New-energy electric vehicle battery pack being conveniently replaceable according to claim 1, it is characterised in that: cabinet (1) left and right sides outer wall is provided with reset spring (12), one end that two groups of reset springs (12) are located remotely from each other and two groups of supports Bar (10) outer wall connection in side close to each other.