# US 11,112,106 B1 · Cordless lamp > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,112,106 B1 - Document ID: US11112106B1 - Status: Granted - Kind: B1 - Application number: 17/138,358 - Filed: 2020-12-30 - Granted: 2021-09-07 - Earliest claimed: 2020-12-30 - Assignees: Shenzhen Zhongfuneng Electric Equipment Co., Ltd. - Applicants: Shenzhen Zhongfuneng Electric Equipment Co., Ltd. - Inventors: Baiping Ding; Feng Yang; Yangbiao Huang; Linjing Song - Web page: https://patentgrep.com/patent/US11112106B1 ## CPC - F21V 31/005: {Sealing arrangements therefor} - F21V 7/00: Reflectors for light sources (characterised by cooling arrangements F21V29/505) - F21V 7/06: with parabolic curvature - F21V 15/01: Housings, e.g. material or assembling of housing parts (F21V15/02 takes precedence {housings forming signs or letters G09F13/04}) - F21V 17/16: by deformation of parts; Snap action mounting - F21V 21/088: Clips; Clamps - F21S 9/02: the power supply being a battery or accumulator - F21Y 2115/10: Light-emitting diodes [LED] - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED ## Abstract Provided is a cordless lamp including a bottom housing, a cover housing, and a light-emitting module. The bottom housing has an open upper end, which is provided with a clamping groove and a snap ring arranged on an inner wall of the bottom housing. The cover housing has an open lower end, and is interlocked with the bottom housing. The cover housing is provided with a first and a second locking protrusion. The first locking protrusion is snap-fitted with the snap ring so that the open upper end of the bottom housing abuts an open lower end of the cover housing to form a first waterproof structure. The second locking protrusion is fitted with the clamping groove, and an adhesive is filled between the second locking protrusion and the clamping groove to form a second waterproof structure. The light-emitting module is arranged between the bottom housing and the cover housing. ## Claims ### Claim 1 A cordless lamp comprising: a bottom housing comprising an open upper end, which the open upper end of the bottom housing is provided with a clamping groove extending between an inner wall and an outer wall of the bottom housing around a periphery thereof and a snap ring that is arranged on the inner wall of the bottom housing; a cover housing comprising an open lower end and interlocked with the bottom housing, wherein the cover housing is provided with a first locking protrusion extending from an inner wall of the cover housing to compliment location of the snap ring of the bottom housing and a second locking protrusion extending from a periphery of the cover housing, wherein the first locking protrusion is snap-fitted with the snap ring making the open upper end of the bottom housing abutting against the open lower end of the cover housing to form a first waterproof structure, and wherein the second locking protrusion is inserted into and fitted with the clamping groove, and an adhesive is filled between the second locking protrusion and the clamping groove to form a second waterproof structure; and a light-emitting module arranged between the bottom housing and the cover housing; the light-emitting module comprising a reflecting cup arranged in the cover housing and provided with a matching hole and a circuit board arranged on the bottom housing and comprising a light-emitting element that is arranged on the circuit board and fitted with the matching hole. ### Claim 2 (depends on 1) The cordless lamp of claim 1, further comprising: a hook module, arranged on a bottom wall of the bottom housing, and comprising a mounting lug and a nail hanging hole; a friction rotational shaft, wherein one end of the damping rotation shaft runs through the mounting lug, and another end of the friction rotational shaft is connected to the bottom housing; wherein the hook module is operative to rotate relative to the friction rotational shaft, and the friction rotational shaft is configured to keep the hook module at a position forming an included angle with the bottom housing. ### Claim 3 (depends on 2) The cordless lamp of claim 2, wherein the hook module comprises: a first plate member, provided with two of the mounting lugs that are oppositely disposed to each other, and an clearance notch; a second plate member, wherein one end of the second plate member is connected to the first plate member, a projection of the second plate member in a vertical direction coincides with a projection of the first plate member in the vertical direction, and wherein the second plate member is provided with the nail hanging hole, which is arranged corresponding to the clearance notch. ### Claim 4 (depends on 3) The cordless lamp of claim 3, wherein the second plate member comprises: a first inclined plate, wherein one end of the first inclined plate is connected to the first plate member through a rounded corner, and the first inclined plate is inclined toward the first plate member along a length of the first plate member; and a second inclined plate, wherein one end of the second inclined plate is connected to the first inclined plate, and the second inclined plate is inclined away from the first plate member in a direction away from the first inclined plate, and a connecting section of the second inclined plate and the first inclined plate abuts against the first plate member. ### Claim 5 (depends on 3) The cordless lamp of claim 3, wherein the nail hanging hole comprises a first elongated hole, a second elongated hole and a third elongated hole, wherein a width of the first elongated hole is greater than a width of the second elongated hole, and the width of the second elongated hole is greater than a width of the third elongated hole, and wherein the second elongated hole is connected to an end of the first elongated hole facing toward a joint of the first plate member and the second plate member, and the third elongated hole is connected to an end of the second elongated hole facing toward a joint of the first plate member and the second plate member. ### Claim 6 (depends on 2) The cordless lamp of claim 2, wherein the friction rotational shaft comprises: a smooth shaft, wherein one end of the smooth shaft is provided with a connecting hole, and the smooth shaft is connected to the bottom housing through a connecting member inserted through the connecting hole; a plurality of friction pieces, through which the smooth shaft is inserted; and a pressing cap, connected to another end of the smooth shaft, and configured for pressing the friction piece. ### Claim 7 (depends on 1) The cordless lamp of claim 1, wherein the cover housing comprises a main body and a lamp hood protruding from the main body, wherein the lamp hood comprises a light outbound surface, and wherein the light outbound surface is arranged at an included angle with a bottom wall of the cover housing. ### Claim 8 (depends on 7) The cordless lamp of claim 7, wherein the light-emitting module comprises: the reflecting cup, arranged in the lamp hood, wherein a top wall of the reflecting cup abuts the light outbound surface, and a bottom wall of the reflecting cup is provided with the matching hole. ### Claim 9 (depends on 8) The cordless lamp of claim 8, wherein the circuit board is provided with a mounting hole, and wherein the reflecting cup is provided with a mounting protrusion fitted with the mounting hole. ### Claim 10 (depends on 1) The cordless lamp of claim 1, wherein the first locking protrusion comprises a first inclined surface inclined toward an inner wall of the cover housing in a downward direction, and the snap ring comprises a second inclined surface inclined away from the bottom housing in an upward direction, and wherein the first inclined surface and the second inclined surface are correspondingly disposed. ### Claim 11 (depends on 1) The cordless lamp of claim 1, further comprising at least one selected from the group consisting of the following three features: the first being that a sidewall of the second locking protrusion is provided with an inclined protrusion inclined away from the sidewall second locking protrusion in a direction from top to bottom; the second being that a lower end of the second locking protrusion is provided with a wedge-shaped protrusion having a cross-sectional area that gradually increases in the direction from top to bottom; and the third being that the sidewall of the second locking protrusion is provided with a limiting step extending along a length of the second locking protrusion. ### Claim 12 (depends on 1) The cordless lamp of claim 1, wherein the second locking protrusion is an annular protrusion provided around the cover housing, and wherein the annular protrusion is provided with a plurality of first sawtooth grooves which are uniformly arranged on the annular protrusion, and wherein the clamping groove is an annular groove provided around the bottom housing, wherein the annular groove comprises an inner groove edge and an outer groove edge, and wherein the inner groove edge is provided with a plurality of second sawtooth grooves staggered with the first sawtooth grooves that are uniformly provided in the inner groove edge. ### Claim 13 (depends on 1) The cordless lamp of claim 1, wherein a front side and a rear side of the bottom housing are each provided with a first curved portion, a front side and a rear side of the cover housing are each provided with a second curved portion, wherein the second curved portion is arranged corresponding to the first curved portion to define a curved battery compartment, and a cross section of the curved battery compartment is a partial circle ranging from ½ to ¾ of one circle.