# US 9,872,544 B2 · Portable rotating self-lock type quick dismantling lock catch device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,872,544 B2 - Document ID: US9872544B2 - Status: Granted - Kind: B2 - Application number: 14/891,426 - Filed: 2015-01-20 - Published: 2016-11-03 - Granted: 2018-01-23 - Earliest claimed: 2014-01-20 - Assignees: Techsport Ltd - Applicants: Shenzhen Degena Electronics Ltd.; Techsport Ltd - Inventors: Waiman Ho - Web page: https://patentgrep.com/patent/US9872544B2 ## CPC - A44B 99/005: {Turn-button fasteners} - F16B 21/04: with bayonet catch - F16M 11/041: {Allowing quick release of the apparatus} - H04M 1/026: {Details of the structure or mounting of specific components} - A44B: BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE (fastenings specially adapted for footwear A43C) - F16B: DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING (couplings for transmitting rotation F16D) - F16M: FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract The utility model provides a portable rotary self-locking fast-disassembling locker, including a first fixing element and a second fixing element, wherein the first fixing element is provided with an embedding recess, the side wall of the embedding recess is provided with a protrusion portion, the protrusion portion is provided with an embedding clamping groove and a locking groove, the embedding clamping groove is located at one side of the protrusion portion, the locking groove is located at the other side of the protrusion portion, the second fixing element is connected with an elastic locking mechanism, the second fixing element is provided with a fixation clamp, the elastic locking mechanism includes a spring and a locking portion connected with the spring, the fixation clamp is matched with the embedding clamping groove, and the locking portion is matched with the locking groove. The utility model has the advantageous effects that: the quick and rotary connection of the first fixing element and the second fixing element can be implemented by means of the match between the fixation clamp and the embedding clamping groove, and then by means of the match between the locking portion and the locking groove; moreover, the utility model has the advantages of portability as well as convenient assembling and disassembling. ## Claims ### Claim 1 A portable rotary self-locking fast-disassembling locker, comprising a first fixing element and a second fixing element, wherein the first fixing element is provided with an embedding recess where the embedding recess has a bottom and a side wall, the side wall of the embedding recess is provided with a protrusion portion, the protrusion portion is provided with an embedding clamping groove and a locking groove, the embedding clamping groove is located at one side of the protrusion portion close to the bottom of the embedding recess, the locking groove is located at one side of the protrusion portion far away from the bottom of the embedding recess, the second fixing element is connected with an elastic locking mechanism, the second fixing element is provided with a fixation clamp, the elastic locking mechanism includes a spring and a locking portion connected with the spring, the fixation clamp is matched with the embedding clamping groove, and the locking portion is matched with the locking groove. ### Claim 2 (depends on 1) The portable rotary self-locking fast-disassembling locker according to claim 1, wherein the embedding recess is round, at least two protrusion portions are provided and are uniformly arranged along a circumferential direction of the embedding recess in a spacing manner, a protrusion direction of the protrusion portion is to protrude along a radial direction of the embedding recess towards a circle center direction of the embedding recess, and an avoidance gap for the fixation clamp to pass is arranged between adjacent protrusion portions. ### Claim 3 (depends on 2) The portable rotary self-locking fast-disassembling locker according to claim 2, wherein one end of the embedding clamping groove is an opening, the embedding clamping groove is communicated with the avoidance gap through the opening, where embedding clamping groove has another end, and the protrusion portion blocks the other end of embedding clamping groove. ### Claim 4 (depends on 3) The portable rotary self-locking fast-disassembling locker according to claim 3, wherein one side of the protrusion portion is provided with an import bevel, and where the protrusion portion has an opening located on the import bevel. ### Claim 5 (depends on 4) The portable rotary self-locking fast-disassembling locker according to claim 4, wherein one side of the locking portion is provided with an active import bevel matched with the import bevel. ### Claim 6 (depends on 1) The portable rotary self-locking fast-disassembling locker according to claim 1, wherein one end of the locking portion is provided with a button, where the locking portion has an other end provided with a spring erection column, and the spring is arranged on the spring erection column. ### Claim 7 (depends on 1) The portable rotary self-locking fast-disassembling locker according to claim 1, wherein the elastic locking mechanism further comprises a safety latch switch, the locking portion is connected with a safety latch strut, and the safety latch strut is matched with the safety latch switch. ### Claim 8 (depends on 1) The portable rotary self-locking fast-disassembling locker according to claim 1, wherein the spring has two ends and two locking portions are provided and are respectively connected at the two ends of the spring. ### Claim 9 (depends on 1) The portable rotary self-locking fast-disassembling locker according to claim 1, wherein the portable rotary self-locking fast-disassembling locker further comprises a mobile terminal, and the first fixing element is internally arranged or externally hung on the mobile terminal. ### Claim 10 (depends on 9) The portable rotary self-locking fast-disassembling locker according to claim 9, wherein the mobile terminal is a mobile phone.