CN220272622U

CN220272622U - Novel lithium iron phosphate battery pack shell

Info

Publication number: CN220272622U
Application number: CN202321435378.5U
Authority: CN
Inventors: 贾林楠
Original assignee: Henan Lisha New Energy Technology Co ltd
Current assignee: Henan Lisha New Energy Technology Co ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-12-29
Anticipated expiration: 2033-06-06

Abstract

The utility model relates to the technical field of battery shells, in particular to a novel lithium iron phosphate battery shell, which comprises a shell, wherein a sealing cover is sleeved on the top of the shell, a handle is movably connected to the rear side of the top of the sealing cover, a connecting seat is fixedly connected to the front side of the top of the sealing cover, a fixing frame is fixedly connected to the front side of the connecting seat, a placing plate is arranged below the inside of the shell, a protection mechanism is arranged at the top of the shell, and an opening and closing mechanism is arranged inside the movable frame. The utility model realizes the sealing of the shell and the automatic opening and closing of the connecting seat, and improves the convenience and the sealing performance of the device.

Description

Novel lithium iron phosphate battery pack shell

Technical Field

The utility model relates to the technical field of battery shells, in particular to a novel lithium iron phosphate battery pack shell.

Background

The lithium iron phosphate battery is a lithium ion battery using lithium iron phosphate as a positive electrode material, and the positive electrode material of the lithium ion battery mainly comprises lithium cobaltate, lithium manganate, lithium nickelate, ternary materials, lithium iron phosphate and the like, wherein the lithium cobaltate is the positive electrode material used by most of the current lithium ion batteries, the lithium iron phosphate battery pack needs to be arranged in a shell when being installed to provide certain protection for the lithium iron phosphate battery pack, and the lithium iron phosphate battery has the characteristics of environmental protection, long service life, high safety and the like, becomes a new generation of power and energy storage battery, and is widely applied to large and medium-sized electric vehicles and the energy storage field.

For example, patent document with publication number CN209859981U discloses a lithium iron phosphate battery shell, the structure of which comprises a shell, the bottom fixedly connected with mounting panel of casing, the mounting hole has all been seted up to the both sides at mounting panel top, the front and the back of casing all fixedly connected with handle, the spout has all been seted up to the both sides of casing inner chamber, the inner chamber sliding connection of spout has the slider, the inboard fixedly connected with battery shell of slider, the bottom of casing inner chamber is provided with buffer. This scheme is through setting up casing, spout, slider, group battery shell, buffer, mounting panel, lid, fixed block, fixed plate, slide bar, telescopic link, damping spring, fixed column and auxiliary wheel's mutually supporting, has reached the advantage that protective properties is good, has solved the poor problem of current lithium iron phosphate group battery shell protective properties, has made things convenient for people's use, has improved the practicality of lithium iron phosphate group battery shell, but the device still exists the place that can optimize.

The existing device mainly comprises a shell and a sealing cover, a certain gap exists at the joint of the part device, the sealing performance is difficult to keep, the part device is easy to enter water, meanwhile, a flip type baffle is additionally arranged on the surface of a sealing cover connecting seat for keeping the sealing performance, the part device needs to be additionally lifted up to flip the flip in the connecting process, the part device is difficult to be quickly inserted and connected, the working efficiency and the practicability of the device are reduced, and therefore, a novel lithium iron phosphate battery shell is needed to solve the problems.

Disclosure of Invention

In order to overcome the technical problems described above, the present utility model is directed to providing a novel lithium iron phosphate battery shell, so as to solve the problems that the existing device provided in the above background art is mainly composed of a shell and a sealing cover, so that a certain gap exists at the connection position of a part of the device, and it is difficult to maintain high tightness, and thus the part of the device is easy to enter water, and meanwhile, a flip-type baffle is additionally arranged on the surface of the sealing cover connection seat for maintaining tightness, so that the flip needs to be additionally pulled up in the connection process of the part of the device, and thus the part of the device is difficult to be quickly inserted and connected.

The utility model adopts the following technical scheme for realizing the purposes: the utility model provides a novel lithium iron phosphate group battery shell, includes the casing, the top cover of casing is equipped with the closing cap, the top rear side swing joint of closing cap has the handle, the top front side fixedly connected with connecting seat of closing cap, the front side fixedly connected with fixed frame of connecting seat, the inside below of casing is equipped with places the board, the top of casing is equipped with protection machanism, the inside of movable frame is equipped with opening and shutting mechanism.

Preferably, the protection mechanism comprises a sealing ring, the bottom of the sealing ring is fixedly connected to the top of the shell, an inserting groove symmetrical to the sealing ring and the sealing ring is formed in the bottom of the sealing cover, and the top end of the sealing ring is attached to the top end of the inside of the sealing ring.

Preferably, the four corners of casing have been seted up the connecting hole, the inside bottom fixedly connected with sealing ring of connecting hole.

Preferably, the inside of connecting hole is inserted and is equipped with the bolt, the bottom of connecting hole passes the sealing ring and inserts and establish in the top four corners of casing, the screw thread groove that corresponds with the bolt has been seted up on the top four corners of casing.

Preferably, the protection mechanism further comprises a telescopic rod, wherein the bottom end of the telescopic rod is fixedly connected with four corners of the inner bottom end of the shell, and the top end of the telescopic rod is fixedly connected with four corners of the bottom end of the placing plate.

Preferably, the inside bottom four corners of casing is located the outer loop fixedly connected with damping spring of telescopic link, damping spring's top fixed connection is placing the bottom four corners of board, the bottom middle part fixedly connected with attenuator of placing the board, the bottom fixed connection of attenuator is in the inside bottom middle part of casing.

Preferably, the opening and closing mechanism comprises wedge-shaped sealing blocks, the wedge-shaped sealing blocks are arranged on two sides of the inner portion of the fixed frame, and sealing strips are fixedly connected to the inner sides of the wedge-shaped sealing blocks.

Preferably, the outside fixedly connected with gag lever post of wedge seal piece, the outer end of wedge seal piece passes fixed frame and fixedly connected with stopper, the inboard fixedly connected with reset spring of stopper, reset spring's the other end fixed connection is on the lateral wall of fixed frame.

Compared with the prior art, the utility model has the beneficial effects that:

this novel lithium iron phosphate group battery shell establishes the closing cap cover at the top of casing through the protection machanism who sets up for the inside in inserting the groove is arranged in to the top and the sealing washer of casing, then place the inside in connecting hole with the bolt, make the bolt run through the sealing ring and fixed connection in the inside of screw groove, realize the seal to the shell, simultaneously through telescopic link, damping spring and attenuator's cooperation, make place the board and carry out the shock attenuation to group battery, through this design, realize the protection to the group battery, avoid the junction of part device to have certain gap to be difficult to keep high leakproofness, thereby avoid part device to advance water easily, make work efficiency improve, the leakproofness and the practicality of device have been improved.

This novel lithium iron phosphate group battery shell inserts the socket and establishes the inside at the connecting seat through the block mechanism that sets up for the socket promotes wedge sealing piece symmetry outside slip, and wedge sealing piece drives gag lever post and stopper synchronous slip, makes stopper tensile reset spring, through this design, realizes opening and shutting the automation of connecting seat, avoids part device to need extra stirring up at the connection in-process, thereby avoids part device to be difficult to insert fast and establish the connection, makes work efficiency obtain improving, has improved the convenience and the practicality of device.

Drawings

FIG. 1 is a front perspective view of the structure of the present utility model;

FIG. 2 is a front cross-sectional perspective view of the structure of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

FIG. 4 is a front cross-sectional perspective view of a partial structure of the housing and guard mechanism of the present utility model;

fig. 5 is a left side cutaway perspective view of a partial structure of the connecting seat and closure mechanism of the present utility model.

In the figure: 11. a housing; 12. a cover; 13. a handle; 14. a connecting seat; 15. a fixed frame; 16. placing a plate; 2. a protective mechanism; 21. a seal ring; 22. inserting grooves; 23. a connection hole; 24. a seal ring; 25. a bolt; 26. a thread groove; 27. a telescopic rod; 28. a damping spring; 29. a damper; 3. an opening and closing mechanism; 31. a wedge-shaped seal block; 32. a sealing strip; 33. a limit rod; 34. a limiting block; 35. and a return spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the utility model provides a novel lithium iron phosphate group battery shell, includes casing 11, and casing 11's top cover is equipped with closing cap 12, and closing cap 12's top rear side swing joint has handle 13, and closing cap 12's top front side fixedly connected with connecting seat 14, connecting seat 14's front side fixedly connected with fixed frame 15, casing 11's inside below is equipped with places board 16, and casing 11's top is equipped with protection machanism 2, and fixed frame 15's inside is equipped with opening and shutting mechanism 3.

The protection machanism 2 includes sealing washer 21, sealing washer 21's bottom fixed connection is at housing 11's top, sealing washer 21 and sealing washer 21 symmetry insert groove 22 have been seted up to sealing washer 21's bottom, sealing washer 21's top laminating is at sealing washer 21's inside top, through this design, sealing treatment between housing 11 and the sealing washer 12 has been realized, connecting hole 23 has been seted up at housing 11's four corners, connecting hole 23's inside bottom fixedly connected with sealing ring 24, through this design, sealing hole 23's inside has been inserted and has been equipped with bolt 25, connecting hole 23's bottom passes sealing ring 24 and inserts and establish in housing 11's top four corners, housing 11's top four corners has been seted up the thread groove 26 that corresponds with bolt 25, through this design, fixed connection between housing 11 and the sealing washer 12 has been realized, protection machanism 2 still includes telescopic link 27, telescopic link 27's bottom fixed connection is in housing 11's inside bottom four corners, telescopic link 27's top fixed connection is at the bottom of placing plate 16, through this design, the limit sliding of placing plate 16 has been realized in four corners, housing 11's inside four corners is located the connecting hole 23 inside and sealing treatment, connecting hole 23's inside is inserted and is equipped with bolt 25, connecting hole 23's inside is equipped with the bottom of the spring 28, the bottom of placing plate 29, thereby the damping plate is placed at housing 11's bottom of the inside set of the housing 11, the bottom plate is connected with the bottom plate 29, the damping plate is fixed at the bottom of the housing 11, the bottom of the damping plate is connected with the top of the housing 11, the damping plate is connected through the top of the damping plate is fixed, the top of the damping plate is connected with the bottom plate is 16, and is realized.

The opening and closing mechanism 3 comprises wedge-shaped sealing blocks 31, the wedge-shaped sealing blocks 31 are arranged on two sides of the inside of the fixed frame 15, sealing strips 32 are fixedly connected to the inner sides of the wedge-shaped sealing blocks 31, opening and closing protection of the connecting seat 14 is achieved through the design, limiting rods 33 are fixedly connected to the outer sides of the wedge-shaped sealing blocks 31, the outer ends of the wedge-shaped sealing blocks 31 penetrate through the fixed frame 15 and are fixedly connected with limiting blocks 34, reset springs 35 are fixedly connected to the inner sides of the limiting blocks 34, the other ends of the reset springs 35 are fixedly connected to the side walls of the fixed frame 15, and automatic reset of the wedge-shaped sealing blocks 31 is achieved through the design.

Working principle: when the battery pack is used for packaging protection, a user firstly places the battery pack at the top of the placing plate 16 in the shell 11, and sleeves the sealing cover 12 on the top of the shell 11, so that the top of the shell 11 and the sealing ring 21 are placed in the inserting groove 22, then the bolt 25 is placed in the connecting hole 23, the bolt 25 penetrates through the sealing ring 24 and is fixedly connected in the threaded groove 26, sealing operation of the shell is realized, meanwhile, the placing plate 16 is used for carrying out shock absorption treatment on the battery pack through the matching of the telescopic rod 27, the shock absorption spring 28 and the damper 29, finally, a socket is inserted in the connecting seat 14, the socket pushes the wedge-shaped sealing block 31 to symmetrically slide outwards, the wedge-shaped sealing block 31 drives the limiting rod 33 and the limiting block 34 to synchronously slide, and the limiting block 34 stretches the reset spring 35, and accordingly automatic opening and closing of the sealing cover 12 are realized.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel lithium iron phosphate group battery shell, includes casing (11), its characterized in that: the top cover of casing (11) is equipped with closing cap (12), the top rear side swing joint of closing cap (12) has handle (13), the top front side fixedly connected with connecting seat (14) of closing cap (12), the front side fixedly connected with fixed frame (15) of connecting seat (14), the inside below of casing (11) is equipped with places board (16), the top of casing (11) is equipped with protection machanism (2), the inside of fixed frame (15) is equipped with opening and shutting mechanism (3);

protection machanism (2) are including sealing washer (21), the bottom fixed connection of sealing washer (21) is at the top of casing (11), insert groove (22) with sealing washer (21) and sealing washer (21) symmetry are seted up to the bottom of closing cap (12), the inside top at sealing washer (21) is laminated on the top of sealing washer (21), connecting hole (23) have been seted up in the four corners of casing (11), the inside bottom fixedly connected with sealing ring (24) of connecting hole (23), bolt (25) have been inserted to the inside of connecting hole (23), sealing ring (24) are passed and are inserted in the top four corners of casing (11) are passed to the bottom of connecting hole (23), screw groove (26) corresponding with bolt (25) have been seted up on the top four corners of casing (11).

2. The novel lithium iron phosphate battery pack case according to claim 1, wherein: the protection mechanism (2) further comprises a telescopic rod (27), the bottom end of the telescopic rod (27) is fixedly connected to four corners of the inner bottom end of the shell (11), and the top end of the telescopic rod (27) is fixedly connected to four corners of the bottom end of the placing plate (16).

3. The novel lithium iron phosphate battery pack case according to claim 2, wherein: the inside bottom four corners of casing (11) are located outer loop fixedly connected with damping spring (28) of telescopic link (27), the top fixed connection of damping spring (28) is in the bottom four corners of placing board (16), the bottom middle part fixedly connected with attenuator (29) of placing board (16), the bottom fixed connection of attenuator (29) is in the inside bottom middle part of casing (11).

4. The novel lithium iron phosphate battery pack case according to claim 1, wherein: the opening and closing mechanism (3) comprises wedge-shaped sealing blocks (31), the wedge-shaped sealing blocks (31) are arranged on two sides of the inside of the fixed frame (15), and sealing strips (32) are fixedly connected to the inner sides of the wedge-shaped sealing blocks (31).

5. The novel lithium iron phosphate battery pack case according to claim 4, wherein: the outer side of wedge-shaped sealing block (31) is fixedly connected with a limiting rod (33), the outer end of wedge-shaped sealing block (31) penetrates through the fixed frame (15) and is fixedly connected with a limiting block (34), the inner side of the limiting block (34) is fixedly connected with a reset spring (35), and the other end of the reset spring (35) is fixedly connected to the side wall of the fixed frame (15).