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CN-224217626-U - High-safety lithium ion battery

CN224217626UCN 224217626 UCN224217626 UCN 224217626UCN-224217626-U

Abstract

The utility model discloses a high-safety lithium ion battery, which comprises a protection box and a bottom connecting mechanism, wherein the bottom connecting mechanism is arranged at the bottom of the protection box, the top fixing mechanism comprises a rotary disk, the rotary disk is arranged at two sides of the top of the protection box, the bottom of the rotary disk penetrates through the protection box and extends to the inside of the protection box, a reinforcing sleeve is fixedly connected to the inside of the rotary disk, and screw sleeves are fixedly connected to the front surface and the back surface of the reinforcing sleeve. According to the utility model, the top fixing mechanism is arranged, so that the front and back protection plates can be fixed, the bottom connecting mechanism is used for fixing the two side protection plates and the front and back protection plates, the surface of the battery is wrapped and protected by the protection box, the surface of the battery can not be impacted by the outside when the battery is used by a user, the safety protection of the lithium ion battery is high, and the battery can be protected by the user conveniently, so that the normal use of the user is ensured.

Inventors

  • JIA HONGJIE
  • CHEN WENFENG

Assignees

  • 深圳市卓毅科技有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (6)

  1. 1. A high safety lithium ion battery comprising: A protection box (1); The bottom connecting mechanism (2), the said bottom connecting mechanism (2) is set up in the bottom of the protective box (1); The top fixed establishment (3), top fixed establishment (3) include rotary disk (31), rotary disk (31) set up the both sides at protection box (1) top, the inside of protection box (1) is run through to the bottom of rotary disk (31) and extends to protection box (1), the inside fixedly connected with of rotary disk (31) consolidates cover (32), the front and the equal fixedly connected with swivel nut (33) in back of consolidating cover (32), the inside threaded connection of swivel nut (33) has screw rod (34), the surface cover of swivel nut (33) is equipped with sliding ring (35), the outside fixedly connected with catch bar (36) of sliding ring (35), the outside of catch bar (36) inner wall is through mounting and screw rod (34) fixed connection.
  2. 2. The lithium ion battery with high safety according to claim 1, wherein the protection box (1) comprises two side protection plates (101), front and back surfaces of the two side protection plates (101) are respectively provided with a front and back protection plate (102), the top of the inner side of the front and back protection plates (102) is movably connected with a protection sleeve (103), the front end and the back end of the inner side of the protection sleeve (103) are respectively movably connected with a clamping plate (104), the bottom of the rotary disk (31) penetrates through the protection sleeve (103) and extends into the protection sleeve (103), one side, close to the front and back protection plates (102), of the push rod (36) is fixedly connected with the front and back protection plates (102), and the surface of the push rod (36) is in sliding connection with the inside of the protection sleeve (103).
  3. 3. The lithium ion battery with high safety according to claim 2, wherein the bottom connecting mechanism (2) comprises a fixed disc (21), the fixed disc (21) is arranged on two sides of the back surface of the front and back protection plates (102), a threaded sleeve (22) is fixedly connected to the front surface of the fixed disc (21), the front surface of the threaded sleeve (22) penetrates through the front and back protection plates (102) and extends into the inside of the two side protection plates (101), positioning discs (23) are fixedly connected to two sides of the front surface of the front and back protection plates (102), connecting rods (24) are fixedly connected to the back surface of the positioning discs (23), threaded rods (25) are fixedly connected to the back surface of the connecting rods (24), and the back surface of the threaded rods (25) extends into the inside of the threaded sleeve (22) and is in threaded connection with the threaded sleeve (22).
  4. 4. A high safety lithium ion battery according to claim 3, wherein the top of the rotary disk (31) is provided with a cable connector (4), and the inner part of the cable connector (4) extending to the two side protection plates (101) is movably connected with the lithium ion battery.
  5. 5. The lithium ion battery with high safety according to claim 4, wherein the surface of the screw sleeve (33) is fixedly connected with a stable bearing (5), and the surface of the outer ring of the stable bearing (5) is fixedly connected with the inside of the protective sleeve (103).
  6. 6. The lithium ion battery with high safety according to claim 5, wherein sliding blocks (6) are fixedly connected to two sides of the surface of the sliding ring (35), sliding grooves (7) are formed in the top and the bottom of two sides of the inner wall of the protective sleeve (103), and the inside of the sliding grooves (7) is fixedly connected with the surface of the sliding blocks (6).

Description

High-safety lithium ion battery Technical Field The utility model relates to the technical field of lithium ion batteries, in particular to a high-safety lithium ion battery. Background A lithium ion battery is a secondary battery (rechargeable battery) that operates mainly by means of lithium ions moving between a positive electrode and a negative electrode. In the charge and discharge process, li+ is inserted and removed back and forth between the two electrodes, wherein Li+ is removed from the positive electrode during charge, is inserted into the negative electrode through the electrolyte, and is in a lithium-rich state during discharge, and the reverse is carried out during discharge. The Chinese patent discloses a high-safety lithium ion battery, wherein the publication number is CN210607498U, the high-safety lithium ion battery comprises a positive plate, a negative plate, a separation membrane and electrolyte, the positive plate comprises a positive current collector, a blocking layer, a positive active material layer and a blocking layer are sequentially coated on one side of the positive current collector, which faces the negative plate, and a blocking layer, a negative active material layer and a separation layer are sequentially coated on one side of the negative current collector, which faces the positive plate. Compared with the prior art, the utility model can effectively cut off current when the temperature of the lithium ion battery is too high or short circuit occurs, prevent internal short circuit, effectively control the thermal runaway of the lithium ion battery, and increase the safety performance of the lithium ion battery, but can not protect the surface of the battery, so that a user can easily receive external impact on the surface of the battery when using the lithium ion battery, the safety defense of the lithium ion battery is lower, and the lithium ion battery is inconvenient to protect the battery, thereby influencing the normal use of the user. Disclosure of utility model In order to solve the problems in the prior art, the utility model aims to provide a high-safety lithium ion battery, which has the advantage of being convenient for a user to protect the battery and solves the problem that the lithium ion battery is inconvenient for the user to protect the battery. In order to achieve the above purpose, the utility model provides a high-safety lithium ion battery, comprising: A protection box; the bottom connecting mechanism is arranged at the bottom of the protection box; The top fixed establishment, top fixed establishment includes the rotary disk, the rotary disk sets up the both sides at the protection box top, the inside of protection box is run through to the bottom of rotary disk and extends to the protection box, the inside fixedly connected with of rotary disk consolidates the cover, consolidate the equal fixedly connected with swivel nut in front and the back of cover, the inside threaded connection of swivel nut has the screw rod, the surface cover of swivel nut is equipped with the slip collar, the outside fixedly connected with catch bar of slip collar, the outside of catch bar inner wall passes through mounting and screw rod fixed connection. As the preferable choice of the utility model, the said protective box includes both sides protective plate, the front and back of the said both sides protective plate has protective plates of the front and back, the inboard top of the said front and back protective plate has protective sleeves movably connected, the inboard front end and back end of the said protective sleeve has clamping plates movably connected, the bottom of the said rotary disk runs through the protective sleeve and extends to the inside of the protective sleeve, one side that the said push rod approaches the front and back protective plate is fixedly connected with front and back protective plate, the surface of the said push rod is slidably connected with inside of the protective sleeve. As the preferable mode of the utility model, the bottom connecting mechanism comprises a fixed disc, wherein the fixed disc is arranged on two sides of the back surface of the front and back protection plates, the front surface of the fixed disc is fixedly connected with a thread bush, the front surface of the thread bush penetrates through the front and back protection plates and extends to the inner parts of the two side protection plates, the two sides of the front surface of the front and back protection plates are fixedly connected with positioning discs, the back surface of the positioning disc is fixedly connected with a connecting rod, the back surface of the connecting rod is fixedly connected with a threaded rod, and the back surface of the threaded rod extends to the inner part of the thread bush and is in threaded connection with the thread bush. As a preferable mode of the utility model, a cable connector is arranged at the top of the rotary disk, and