A plastic lampholder with a thermostat includes a housing, a plastic bracket, a plastic threaded ring, a positive electrode plate, a negative electrode plate, a thermostat and a top cover and is installed to a downlight. The lampholder has two slots for plugging two electrodes of a power line by a bare line section, so that a power source is introduced to the lampholder. Both of the plastic bracket and housing of the lampholder are made of a plastic material and integrally formed, and the plastic threaded ring of the lampholder is integrally formed in the housing. Power is conducted through a thermostat to prevent the lampholder from burning by high temperatures.

A lamp socket adapter includes a main body, a sleeve disposed outside of the main body, and a center electrode disposed at the rear end of the main body, in which a front end of the main body is provided with an insulating plug, the insulating plug has a through hole, the through hole is connected to a cavity of the main body, a first electrode sheet and a second electrode sheet each having a front end disposed in the through hole are arranged in the cavity, the rear end of the first electrode sheet is electrically connected to the center electrode, and the rear end of the second electrode sheet is electrically connected to the sleeve. Therefore, the lamp socket adapter of the present disclosure has the advantages of saving material costs, compact structure, and facilitating the fixing, mounting and replacement of a lamp bulb.

A lamp socket adapter includes a main body, a sleeve disposed outside of the main body, and a center electrode disposed at the rear end of the main body, in which a front end of the main body is provided with an insulating plug, the insulating plug has a through hole, the through hole is connected to a cavity of the main body, a first electrode sheet and a second electrode sheet each having a front end disposed in the through hole are arranged in the cavity, the rear end of the first electrode sheet is electrically connected to the center electrode, and the rear end of the second electrode sheet is electrically connected to the sleeve. Therefore, the lamp socket adapter of the present disclosure has the advantages of saving material costs, compact structure, and facilitating the fixing, mounting and replacement of a lamp bulb.

A connector structure includes a jack including a receiver, and a plug connectable to the jack. The jack includes a wall located around the receiver and defining a receiving region configured to receive a locking portion. The plug includes a plug body, a plug holder, and the locking portion. The receiving region includes a first region where at least a part of the locking portion is configured to enter and exit by a movement of the locking portion along the first axis, and a second region where at least a part of the locking portion is configured to enter when the locking portion is rotated about the first axis. The second region is covered by the wall when the receiver is seen from the front.

A light with retractable sleeve comprises a housing, a retractable sleeve disposed inside the housing, and a light body embedded in a front end of the retractable sleeve and protruding out of the housing; the retractable sleeve comprising an inner sleeve, an outer sleeve disposed outside the inner sleeve, and a connector; the inner sleeve having a gear rack; the outer sleeve having thereon a button corresponding to the gear rack; the button being attached on the gear rack via a resilient element to prevent the outer sleeve from undesirably moving out of the inner sleeve along the axial direction; the outer sleeve and the inner sleeve can be extended with each other, so that the outer sleeve is extended out of the housing, thereby facilitating the light body installed thereon, the structure is simple and easy to use.

A light bulb socket having a configuration which permits bulb insertion by application of axial force, such as required with a bayonet type bulb, and also by application of rotational forces, such as a traditional threaded bulb. The socket includes a generally cylindrical sidewall, upper or proximal flex flanges forming generally parallel ribs along the inwardly facing surface of the sidewall, and a bottom or distal flange which or may not be flexible. The socket sidewall defines, on an inwardly facing surface, a sidewall cavity positioned radially outwardly or behind at least a portion of the upper flex flanges.

A light bulb socket having a configuration which permits bulb insertion by application of axial force, such as required with a bayonet type bulb, and also by application of rotational forces, such as a traditional threaded bulb. The socket includes a generally cylindrical sidewall, upper or proximal flex flanges forming generally parallel ribs along the inwardly facing surface of the sidewall, and a bottom or distal flange which or may not be flexible. The socket sidewall defines, on an inwardly facing surface, a sidewall cavity positioned radially outwardly or behind at least a portion of the upper flex flanges.

A connector structure includes a jack including a receiver, and a plug connectable to the jack. The jack includes a wall located around the receiver and defining a receiving region configured to receive a locking portion. The plug includes a plug body, a plug holder, and the locking portion. The receiving region includes a first region where at least a part of the locking portion is configured to enter and exit by a movement of the locking portion along the first axis, and a second region where at least a part of the locking portion is configured to enter when the locking portion is rotated about the first axis. The second region is covered by the wall when the receiver is seen from the front.

Provided in the present application is a tree lamp. The tree lamp includes a lamp housing, a light-emitting body and a base, where the lamp housing is configured to have a tree shape, a mounting portion is formed at a lower end of the lamp housing, and the lower end of the lamp housing is further provided with power connection contacts; the light-emitting body is provided on the lamp housing, and the light-emitting body is electrically connected to the power connection contacts; a power supply unit is provided inside the base, a mounting recess is formed in a top surface of the base, electrically-conductive structures are provided inside the mounting recess, and the electrically-conductive structures are electrically connected to the power supply unit; and each of the power connection contacts or each of the electrically-conductive structures includes an elastic member.