A kind of fixed built-in type lamps and lanterns plug assemblyTechnical field
The utility model belongs to field of illumination lamp technology, is related to a kind of fixed built-in type lamps and lanterns plug assembly.
Background technique
The built-in type lamps and lanterns plug assembly of the prior art, structure are as shown in Figure 1 to Figure 3: built-in type lamps and lanterns plug assembly,Rectangular pre-buried notch is offered on wall face；Plug assembly includes with pre-buried notch by attachment device along the cylinder for being adapted to connectionShape socket 19, one end are adapted to the cannon plug 4 of connection with socket 19；4 other end of plug is electrically connected by lamps and lanterns conducting wire 5 with lamps and lanternsIt connects；The electric connecting terminal of socket 19 is electrically connected by pre-buried power supply line 9 with general supply line；Attachment device includes and pre-buried notch peripheryAlong the metal base plate 11 being fastenedly connected, the insulation cover plate 1 snapped connection with metal base plate 11；Round mouth is equipped in the middle part of insulation cover plate 112, the outer end of socket 19 passes through round mouth 12 and stretches out 1 face of insulation cover plate, and the outer peripheral surface of the extension of socket 19 is equipped with pin thread 2；It insertsFirst 4 body by be equipped with negative thread 15 activity be screwed on set 3 with pin thread 2 fasten be screwed on；Outer peripheral surface at the middle waist of plug 4 is equipped withAnnular groove 14, activity is screwed on, and set 3 is cylindrical, and activity is screwed on the bottom end for covering 3 equipped with snap ring 16, and snap ring 16 is movably set in annular groove 14On；The metal base plate 11 is the metal base plate 11 of square frame-shaped, and 19 body of socket is equipped with square connecting plate 18, connecting plate 18Four are equipped with second through-hole 10 by corner；Insulation cover plate 1 is rectangular insulation cover plate 1, and the middle part of insulation cover plate 1, which is distributed, to be equipped withFour first through-holes 8；First through-hole 8 is adapted with the position that opens up of second through-hole 10；Pass through fastener between 19 body of socket and insulation cover plate 1It is fastenedly connected across first through-hole 8 and second through-hole 10.
The back side of insulation cover plate 1 is equipped with rectangular recess portion 20；Four of square frame-shaped metal base plate 11 are by external angle and muchAlong place equipped with multiple the third through-holes 17 for wearing fastener are offered in frame at one, metal base plate 11 is passed through by fastenerThird through-hole 17 is fastenedly connected with pre-buried notch；Insulation cover plate 1 is snapped connection by recess portion 20 and 11 outer periphery of metal base plate.
The extension of the socket 19 be it is cylindrical, pin thread 2 is located at the outer peripheral surface of the cylinder, is equipped in the cylinderCylindrical stem 7, is equipped with circumferential weld mouth 22 between the inner peripheral surface of the cylinder and the outer peripheral surface of stem 7, the electrical slot 6 of socket 19 is set to coreThe outer end face of column 7；The outer end of plug 4 is provided with sleeve, and the end profile of sleeve is adapted with the end profile of circumferential weld mouth 22；It insertsFirst 4 metal insert 13 is set in sleeve and connect with the cylindrical body portion of plug 4.
It can of course be used using the built-in type lamps and lanterns plug assembly of such technology, but since the fixation of its socket 19 is slottingIt is fastenedly connected between 19 bodies of seat and insulation cover plate 1 by fastener, insulation cover plate 1 generally uses plastic cement type part, strength of materials phaseTo not high enough, it is easily broken during plugging use repeatedly, service life is long not enough, fixed property is high not enough,Using effect is ideal not enough.
Utility model content
In order to overcome the deficiencies of the prior art, the utility model provides that a kind of fixation is more firm, the service life is longer, reliabilityHigher built-in type lamps and lanterns plug assembly.
The utility model is to reach technical solution used by above-mentioned technical purpose to be: a kind of fixed built-in type lampHave plug assembly, offers rectangular pre-buried notch on wall face；Plug assembly includes by attachment device and pre-buried notch along suitableCylindrical socket, one end with connection are adapted to the cannon plug of connection with socket；The plug other end passes through lamps and lanterns conducting wire and lampTool electrical connection；The electric connecting terminal of socket is electrically connected by pre-buried power supply line with general supply line；Attachment device includes and pre-buried notchThe metal base plate that outer periphery is fastenedly connected and the insulation cover plate that metal base plate snaps connection；It is equipped with round mouth in the middle part of insulation cover plate, insertsThe outer end of seat passes through round mouth and stretches out insulating cover plate face, and the outer peripheral surface of the extension of socket is equipped with pin thread；Plug body is by being equipped withThe activity of negative thread set and the pin thread fastening that is screwed on is screwed on；Outer peripheral surface at the middle waist of plug is equipped with annular groove, and the activity set that is screwed on is inThe bottom end of cylindrical shape, the movable set that is screwed on is equipped with snap ring, and snap ring is movably set on annular groove；Socket is the middle part with metal base plateIntegrally it is fastenedly connected.
The metal base plate is rectangular metal base plate, and the insulation cover plate is rectangular insulation cover plate, describedThe back side of insulation cover plate is equipped with rectangular recess portion；Multiple the third through-holes for wearing fastener, metal bottom are offered on metal base platePlate passes through the third through-hole by fastener and is fastenedly connected with pre-buried notch；Insulation cover plate is snapped connection by recess portion and metal base plate.
The extension of the socket be it is cylindrical, pin thread is located at the outer peripheral surface of the cylinder, and circle is equipped in the cylinderCylindricality stem, is equipped with circumferential weld mouth between the inner peripheral surface of the cylinder and the outer peripheral surface of stem, the electrical slot of socket is set to the outer end of stemFace；The outer end of plug is provided with sleeve, and the end profile of sleeve is adapted with the end profile of circumferential weld mouth；The metal insert of plugIt is connect in sleeve and with the cylindrical body portion of plug.
The beneficial effects of the utility model are: since 19 body of socket is fastenedly connected with the integral middle of metal base plate 11's.Insulation cover plate 1 of the intensity of metal base plate 11 obviously than plastic cement type part is much higher.
Therefore, fixation is more firm, the service life is longer, reliability is higher, and using effect is more preferable.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and examples.Wherein:
Fig. 1 is the schematic diagram of the built-in type lamps and lanterns plug assembly of the prior art；
Fig. 2 is the fractionation schematic diagram of the built-in type lamps and lanterns plug assembly of the prior art；
Fig. 3 is that schematic diagram is omitted in the fractionation of the built-in type lamps and lanterns plug assembly of the prior art；
Fig. 4 is the schematic diagram of the utility model；
Fig. 5 is the fractionation schematic diagram of the utility model.
Marker number in attached drawing is described as follows: insulation cover plate 1, pin thread 2, activity are screwed on set 3, plug 4, lamps and lanterns conducting wire5, electrical slot 6, stem 7, first through-hole 8, pre-buried power supply line 9, second through-hole 10, metal base plate 11, round mouth 12, metal insert 13, ringSlot 14, negative thread 15, snap ring 16, the third through-hole 17, connecting plate 18, socket 19, recess portion 20, recess 21, circumferential weld mouth 22
Specific embodiment
The embodiments of the present invention, as shown in Figure 4, Figure 5, a kind of fixed built-in type lamps and lanterns plug assembly, wallRectangular pre-buried notch is offered in dignity；Plug assembly includes with pre-buried notch by attachment device along the cylinder for being adapted to connectionSocket 19, one end are adapted to the cannon plug 4 of connection with socket 19；4 other end of plug is electrically connected by lamps and lanterns conducting wire 5 with lamps and lanternsIt connects；The electric connecting terminal of socket 19 is electrically connected by pre-buried power supply line 9 with general supply line；Attachment device includes and pre-buried notch peripheryAlong the metal base plate 11 being fastenedly connected, the insulation cover plate 1 snapped connection with metal base plate 11；Round mouth is equipped in the middle part of insulation cover plate 112, the outer end of socket 19 passes through round mouth 12 and stretches out 1 face of insulation cover plate, and the outer peripheral surface of the extension of socket 19 is equipped with pin thread 2；It insertsFirst 4 body by be equipped with negative thread 15 activity be screwed on set 3 with pin thread 2 fasten be screwed on；Outer peripheral surface at the middle waist of plug 4 is equipped withAnnular groove 14, activity is screwed on, and set 3 is cylindrical, and activity is screwed on the bottom end for covering 3 equipped with snap ring 16, and snap ring 16 is movably set in annular groove 14On；19 body of socket is fastenedly connected with the integral middle of metal base plate 11.
The metal base plate 11 is rectangular metal base plate 11, and the insulation cover plate 1 is rectangular insulation cover plate 1,The back side of the insulation cover plate 1 is equipped with rectangular recess portion 20；It is offered on metal base plate 11 and multiple wears the third of fastenerThrough-hole 17, metal base plate 11 pass through the third through-hole 17 by fastener and are fastenedly connected with pre-buried notch；Insulation cover plate 1 passes through recess portion 20It is snapped connection with metal base plate 11.
The extension of the socket 19 be it is cylindrical, pin thread 2 is located at the outer peripheral surface of the cylinder, is equipped in the cylinderCylindrical stem 7, is equipped with circumferential weld mouth 22 between the inner peripheral surface of the cylinder and the outer peripheral surface of stem 7, the electrical slot 6 of socket 19 is set to coreThe outer end face of column 7；The outer end of plug 4 is provided with sleeve, and the end profile of sleeve is adapted with the end profile of circumferential weld mouth 22；It insertsFirst 4 metal insert 13 is set in sleeve and connect with the cylindrical body portion of plug 4.
The utility model since fixed and plug assembly itself can bear relatively large external force, in addition to canThe lamps and lanterns for taking electricity from the pre-buried socket of vertical wall surface for grafting, outside desk lamp, floor lamp, wall lamp, it may also be used for grafting is from roofThe pre-buried socket in face takes all kinds of lamps and lanterns of electricity, such as ceiling lamp, pendent lamp lamps and lanterns to connect electricity.