# US 11,440,619 B2 · Intelligent safety frame capable of easily replacing and protecting battery

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- Number: US 11,440,619 B2
- Document ID: US11440619B2
- Status: Granted
- Kind: B2
- Application number: 16/948,168
- Filed: 2020-09-04
- Published: 2021-10-21
- Granted: 2022-09-13
- Earliest claimed: 2020-04-17
- Assignees: Zhejiang Okai Vehicle Co., Ltd.
- Applicants: Zhejiang Okai Vehicle Co., Ltd.
- Inventors: Jiangtao Lu
- Web page: https://patentgrep.com/patent/US11440619B2

## CPC

- B62J 43/16: on motorcycles or the like
- B62M 6/90: Batteries
- B62J 1/12: Box-shaped seats; Bench-type seats, e.g. dual or twin seats
- B62J 9/24: on specially adapted racks, e.g. for top or side cases
- B62J 9/27: characterised by mounting arrangements, e.g. quick release arrangements
- B62J 43/23: dismounted when charging
- B62J 1/28: Other additional equipment, e.g. back-rests for children
- B62J 11/19: specially adapted for electric wires
- B62J 43/28: hidden within the cycle frame
- B62K 2202/00: Motorised scooters
- B62J: CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62M: RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR {SINGLE-TRACK} CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES (arrangements or mounting of transmissions in vehicles in general B60K; transmission elements per se F16)
- B62K: CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE

## Abstract

An intelligent safety frame capable of easily replacing and protecting battery includes a front beam, a battery mounting box, a rear beam, a cushion mounting seat and a rear tail box mounting seat, wherein a rear tail box is mounted on the rear tail box mounting seat, the cushion mounting seat is rotatably mounted on the rear beam, a battery mounting cavity is defined in the battery mounting box, a threading box is provided on a side of the battery mounting box, a first wire-in cavity is provided in the threading box, a first threading slot is provided on a side of the battery mounting cavity, a wire outlet is provided on a side of the threading box, a second intelligent lock mounting slot is provided at the upper end of the rear beam, and a lock catch is provided on a side of the cushion mounting seat.

## Claims

### Claim 1

A safety frame capable of replacing and protecting a battery, comprising a front beam connected with a handlebar, a battery mounting box, a rear beam connected with the front beam, a cushion mounting seat mounted on the rear beam and a rear tail box mounting seat mounted on the rear beam, wherein a rear tail box is mounted on the rear tail box mounting seat, the cushion mounting seat is rotatably mounted on the rear beam, a battery mounting cavity is defined in the battery mounting box, a threading box is provided at a side of the battery mounting box, a first wire-in cavity is provided inside the threading box, a first threading slot is provided on a side of the battery mounting cavity close to the first wire-in cavity, a wire outlet communicated with the first wire-in cavity is provided on a side of the threading box, a first lock mounting slot is provided at an upper end of the rear beam, and a lock catch for fixing the cushion mounting seat on the rear beam is provided on a side of the cushion mounting seat close to the rear beam.

### Claim 2 (depends on 1)

The safety frame capable of replacing and protecting the battery according to claim 1, wherein a second threading slot is provided on a side of the first wire-in cavity close to the first lock mounting slot.

### Claim 3 (depends on 2)

The safety frame capable of replacing and protecting the battery according to claim 2, wherein a second wire-in cavity is defined in the front beam, the first lock mounting slot communicated with the second wire-in cavity is provided on a side of the front beam, and a third threading slot is provided on a side of the first wire-in cavity close to the second wire-in cavity.

### Claim 4 (depends on 1)

The safety frame capable of replacing and protecting the battery according to claim 1, wherein handles are provided on both sides of the rear beam.

### Claim 5 (depends on 1)

The safety frame capable of replacing and protecting the battery according to claim 1, wherein the rear tail box mounting seat comprises a bearing plate and a fixing collar, the rear tail box comprises a rear tail box body and a loading cavity, wherein the rear tail box body is mounted on the bearing plate and fixed by the fixing collar.

### Claim 6 (depends on 5)

The safety frame capable of replacing and protecting the battery according to claim 5, wherein a plurality of hollows are provided on the bearing plate.

### Claim 7 (depends on 6)

The safety frame capable of replacing and protecting the battery according to claim 6, wherein a limiting table is provided on a side of the rear tail box body close to the bearing plate, and a bearing table for mounting the limiting table is provide at an upper end of the bearing plate.

### Claim 8 (depends on 7)

The safety frame capable of replacing and protecting the battery according to claim 7, wherein a plurality of reinforcing ribs are provided on a side of the bearing table close to the rear tail box body, and a first limiting slot for an insertion of the reinforcing ribs is provided on a side of the limiting table close to the bearing table.

### Claim 9 (depends on 8)

The safety frame capable of replacing and protecting the battery according to claim 8, wherein a second limiting slot sheathed by a fixing collar is provided on the rear tail box body.

### Claim 10 (depends on 1)

The safety frame capable of replacing and protecting the battery according to claim 1, wherein the threading box is installed on a side of the battery mounting box.
