CN114234092B

CN114234092B - Suspended ceiling down lamp

Info

Publication number: CN114234092B
Application number: CN202111602478.8A
Authority: CN
Inventors: 戚首贤; 张会连; 林永生; 陈银标; 顾钢钻
Original assignee: Shaoxing Shangyu Huateng Electric Co ltd
Current assignee: Shaoxing Shangyu Huateng Electric Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2023-07-25
Anticipated expiration: 2041-12-24
Also published as: CN114234092A

Abstract

The invention relates to lighting equipment and discloses a ceiling down lamp, which comprises a lamp body and lamp beads arranged on the lamp body, wherein the lamp body comprises a front seat body made of metal materials and a rear seat body fixed on the front seat body, radiating fins are integrally arranged on the side wall of the front seat body, radiating gaps are formed between the radiating fins at intervals, and the lamp beads are arranged on the front seat body; the radiating fins on the side wall of the lamp body can radiate heat generated after the lamp beads are electrified into the air more quickly, heat accumulation on the lamp beads is reduced, so that the probability of burning out the lamp beads is reduced, the wire connection or removal can be realized by the rotary power connection structure without detaching the gas bin cover, the operation of wiring of the down lamp is greatly reduced, and the installation efficiency of the down lamp is improved.

Description

Suspended ceiling down lamp

Technical Field

The invention relates to the field of lighting equipment, in particular to a ceiling down lamp.

Background

In the house decoration process, in order to keep the modeling of the suspended ceiling, the damage to the overall flatness of the suspended ceiling is reduced, and a down lamp is generally selected for a lamp on the suspended ceiling. The down lamp is a hidden lamp embedded in the ceiling, and all light rays are projected downwards, so that the down lamp belongs to direct light distribution.

At present, for down lamps, the down lamp mainly comprises a lamp body, lamp beads (or bulbs) and an elastic presser foot for fixing the lamp body on a suspended ceiling, when the down lamp is installed, the elastic presser foot is firstly broken to one side of the lamp body back to the lamp beads, then the elastic presser foot and the tail section of the lamp body are installed in the suspended ceiling, and at the moment, the elastic presser foot rebounds to form clamping with a flange at the front part of the lamp body to the suspended ceiling, so that the down lamp is positioned.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: in the down lamp, the temperature is easily increased gradually due to the heat effect of the current after the down lamp is electrified, the generated heat is more and more along with the extension of the time, and the lamp beads are easily burnt due to the accumulation of the heat.

Disclosure of Invention

In order to promote heat dissipation of a down lamp and reduce burning probability of lamp beads, the invention provides a suspended ceiling down lamp.

The invention provides a ceiling down lamp which adopts the following technical scheme:

the utility model provides a furred ceiling down lamp, includes the lamp body, installs the lamp pearl on the lamp body, the lamp body is including the preceding pedestal that adopts metal material to make and be fixed in the back pedestal on the preceding pedestal, the lateral wall of preceding pedestal is provided with radiating fin an organic whole, be formed with the heat dissipation clearance between the radiating fin, just the lamp pearl is installed on the preceding pedestal.

Through adopting above-mentioned technical scheme, radiating fin on the front lamp body and radiating gap that radiating fin formed each other can increase the surface area of front seat body, make have bigger heat exchange surface between front lamp body and the air, the front lamp body of metal material can have higher coefficient of heat conductivity simultaneously for in the front seat body can more rapidly distribute the heat that produces to the air after the lamp pearl circular telegram, make the lamp pearl be difficult to reach the critical temperature of burning out, thereby reach the purpose that reduces the lamp pearl burning out rate.

Optionally, the lateral wall of preceding pedestal is gone up an organic whole and is provided with the installation handle, install the spring earring around rolling up on the installation handle, the spring earring supports tightly on the lateral wall of preceding pedestal one end of keeping away from the back pedestal under the effect of self elastic potential energy.

Through adopting above-mentioned technical scheme, the installation on the front seat body is used for supplying the winding of spring earring for the spring earring can be installed on the front seat body, and the winding section of spring earring on the installation is then can act as the effect of torsional spring, makes the body of spring earring have all the time and deviates from back seat body one side pivoted potential energy and form each other to support tightly between the front seat body towards the front seat body, thereby can the fastening after making down lamp installation on the furred ceiling.

Optionally, the electric storehouse has been seted up to one side of back seat body back to the lamp pearl, be provided with the electric structure that meets in the electric storehouse, the electric structure that meets is including installing in the electric storehouse and with the lamp pearl between the connection terminal of electricity be connected, set up on the connection terminal and be used for supplying wire male wire guide.

Through adopting above-mentioned technical scheme, when needs are wired down the lamp, open electrical warehouse earlier, then in inserting the wire guide on the wire holder with the wire, make the electric current of outside wire can transmit for the lamp pearl through the wire holder to realize the circular telegram of lamp pearl.

Optionally, the electric storehouse has been seted up to one side of back pedestal back to the lamp pearl, be provided with the electric structure that connects in the electric storehouse, connect the electric structure including installing in the electric storehouse and have the conductor wire box in plug wire chamber, one end be fixed in on the conductor wire box and the other end elasticity support tightly the locking wire shell fragment on the conductor wire box inner wall after buckling, the electricity is connected between conductor wire box and the lamp pearl, set up the incoming line that aligns with the plug wire chamber of conductor wire box on the back pedestal, just be provided with on the back pedestal and be used for driving the clamp line end of locking wire shell fragment and produce and retract so that the stirring subassembly in clamp line space is formed between the clamp line end of locking wire shell fragment and the inner wall of conductor wire box.

Through adopting above-mentioned technical scheme, when needs are wired down the down lamp, at first order about the line clamping end of locking wire shell fragment and the inner wall of electric wire box to break away from the contact and form the line clamping space through stirring the subassembly, insert the wire from the inlet on the rear seat body and get into the line clamping space afterwards, after releasing the locking wire shell fragment, the line clamping end of locking wire shell fragment can compress tightly the wire on the inner wall of electric wire box under the effect of self elastic potential energy to reach the purpose of fixed wire.

Optionally, the position an organic whole that just is located on the inner wall of electrical storehouse between electrically conductive wire box and the inlet is provided with around the piece post, the shell fragment socket has been seted up to one side that electrically conductive wire box is close to around the piece post, the one end that the lock wire shell fragment was used for offseting with electrically conductive wire box inner wall is the clip end and the other end is the stiff end, the stiff end of lock wire shell fragment is inserted and is located in the shell fragment socket, and the clip end of lock wire shell fragment is walked around the piece post and stretches into the plug wire intracavity on the electrically conductive wire box.

Through adopting above-mentioned technical scheme, the wrapping post on the electric storehouse inner wall is used for supplying the locking wire shell fragment to wind and establishes for the locking wire shell fragment can rotate as the fulcrum with the wrapping post, owing to there is the support of wrapping post, makes the arm of force of locking wire shell fragment holder end reduce, consequently the locking wire shell fragment can produce bigger resilience force after stirring, and then better compress tightly the wire, simultaneously support to the locking wire shell fragment with the help of the wrapping post, make the stiff end of locking wire shell fragment can more stablely cartridge in the shell fragment socket of electric wire box, thereby make the locking wire shell fragment be difficult to take place to drop.

Optionally, the inner wall that the electric wire box was used for with the clip line terminal of locking wire shell fragment offset is provided with elastic fin integratively, elastic fin's free end is towards shell fragment socket one side perk, the clip line terminal of locking wire shell fragment is contradicted on the inner wall of electric wire box and is contacted with elastic fin's free end.

Through adopting above-mentioned technical scheme, set up after the elastic fin for the elastic fin can form shearing centre gripping to the wire together with the clip line end of locking wire shell fragment, and shearing centre gripping means that be dislocation in the horizontal direction between the tip of elastic fin and the clip line end of locking wire shell fragment, consequently by the centre gripping back wire be snakelike distortion, have more stable clamping relation between snakelike distortion's wire and elastic fin, the locking wire shell fragment, consequently when having external force to pull the wire, the wire is difficult to take place to take off the line, thereby make the wiring of down lamp more firm, stable.

Optionally, stir the subassembly including being fixed in back pedestal and be used for sealing electric storehouse open-ended gas storehouse lid, rotate and install the piece of stirring on the gas storehouse lid, stir the piece on an organic whole and be provided with extension and stir the piece, extend the piece and stir the both sides that are located the piece respectively, extend the one end of keeping away from stirring the piece and facing to the surface of lockwire shell fragment line clamp end one side and seted up the slot, integrated into one piece has the inserted sheet on the line clamp end of lockwire shell fragment, the inserted sheet inlays and locates in extending the slot on the piece, just gas storehouse is covered and is offered and be used for supplying stirring the groove of stirring that passes and move about.

Through adopting above-mentioned technical scheme, when needs wiring or pull out the line, need not to dismantle the gas storehouse lid, only need stir the stirring that passes the gas storehouse lid can, because the inserted sheet on the lock wire shell fragment presss from both sides the line end inlays and locates in the slot that extends on the handle, consequently in the pulling stir the in-process of handle, with stir the extension that relatively fixed can drive the clamp terminal of lock wire shell fragment through the inserted sheet and produce and retract, make the clamp terminal of lock wire shell fragment keep away from the elastic fin to make things convenient for the wiring or pull out the line of down lamp.

Optionally, be provided with the fender position subassembly that is used for restricting the line clip terminal of locking spring towards shell fragment socket one side to retract on the gas cartridge lid, fender position subassembly is including setting up the mount pad that just center draws in and is formed with the installation cavity on the gas cartridge lid inner wall, placing in the installation cavity of mount pad the elastic component, one end insert locate the installation cavity of mount pad and the other end block the block piece on the path of retracting of line clip terminal, be provided with between block piece and the mount pad and be used for restricting the anti-disengaging structure that blocks the piece and drop from the mount pad, just extend to be provided with between the piece with the block and be used for driving the block piece to retract into the backspacing structure of installation cavity.

Through adopting above-mentioned technical scheme, after the wire is cliied to the fore shaft shell fragment, the stop piece is at the order of elastic component down the crosspiece in the side of fore shaft shell fragment dorsad elastic fin, and the limit fore shaft shell fragment is kick-backed towards the side of keeping away from elastic fin to make when the wire receives external force to drag, be difficult for taking place more to drop.

Optionally, the anticreep structure is including being fixed in the anticreep arch on two lateral walls that the block is on the back of each other, set up on two lateral walls that the mount pad is on the back of each other with installation cavity intercommunication and length direction are on a parallel with installation cavity depth direction's guide way, two anticreep archs on the block wear to locate two guide ways respectively.

Through adopting above-mentioned technical scheme, because the anti-disengaging protrusion wears to locate in the guide way on the mount pad, and the entity part at guide way both ends can play the restriction effect to the bellied motion stroke of anti-disengaging to make the blocking piece can block on the back way of lockwire shell fragment under the order of the driving of elastic component, be difficult to cause the blocking piece to drop from the mount pad again simultaneously.

Optionally, the rollback structure is including integrative setting up in extending the extrusion protruding, the linkage protruding of integrative setting on the blocking piece that keeps away from stirring piece one end, the extrusion protruding is located between the terminal clamp of linkage protruding and locking wire shell fragment, all seted up the wedge on extrusion protruding and the linkage protruding, just the protruding wedge mutual butt of extrusion protruding and linkage.

Through adopting above-mentioned technical scheme, when needs plug wire or pull out the line, pulling stir the messenger and extend one side rotation that is kept away from elastic fin to the orientation, extend the handle at pivoted in-process, except that drive the clip line end of locking wire shell fragment and retract towards one side that is kept away from elastic fin, still promote the baffle piece through the wedge between extrusion arch and the linkage arch and retract in towards the mount pad to make the locking wire shell fragment can produce the withdrawal under the drive of stirring the piece, thereby make things convenient for the wiring of down lamp or pull out the line.

In summary, the radiating fins on the side wall of the lamp body can radiate heat generated after the lamp beads are electrified into the air more quickly, so that heat accumulation on the lamp beads is reduced, the probability of burning the lamp beads is reduced, the wire connection or removal can be realized by the rotary power connection structure without detaching the gas bin cover, the operation of wiring of the down lamp is greatly reduced, and the installation efficiency of the down lamp is improved.

Drawings

FIG. 1 is a schematic diagram of a ceiling down lamp according to embodiment 1 of the present invention;

FIG. 2 is a schematic diagram of a ceiling down lamp according to embodiment 2 of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic diagram of an assembly structure of a ceiling down lamp according to embodiment 2 of the present invention.

Reference numerals illustrate:

1. a lamp body; 11. a front seat body; 111. abutting the ring; 112. a mounting handle; 113. spring ear clip; 114. a heat radiation fin; 12. a rear seat body; 121. an electrical bin; 123. a positioning groove; 124. a wiring socket; 125. winding a sheet column; 126. a clamping block; 127. a bin cover groove; 2. a lamp bead; 3. an electrical connection structure; 31. a wire holder; 311. a wire guide; 32. a gas bin cover; 321. a toggle groove; 33. a wire inlet; 34. a conductive wire box; 341. a power connection pin; 342. a wire insertion cavity; 343. spring plate socket; 344. positioning the bulge; 345. an elastic fin; 35. a locking wire spring piece; 351. inserting sheets; 4. the assembly is stirred; 41. a poking block; 42. a toggle handle; 43. an extension handle; 431. a slot; 5. a semicircular groove; 51. a screw; 6. a gear assembly; 61. a mounting base; 611. a guide groove; 62. an elastic member; 63. a blocking piece; 7. an anti-falling protrusion; 8. a rollback structure; 81. extruding the bulge; 82. a linkage protrusion; 9. wedge-shaped surfaces.

Detailed Description

The invention is described in further detail below with reference to fig. 1-4.

Example 1:

the embodiment of the application discloses furred ceiling down lamp, refer to fig. 1, including lamp body 1, lamp pearl 2, lamp body 1 contains preceding pedestal 11 and back pedestal 12 two parts, the combination is fixed between preceding pedestal 11 and the back pedestal 12, lamp pearl 2 installs on preceding pedestal 11, the light irradiation direction of this lamp pearl 2 throws the one side of back pedestal 12 in preceding pedestal 11 dorsad, the circumference an organic whole that back pedestal 12 one end was kept away from to preceding pedestal 11 is provided with to the circle 111 simultaneously, should support the circle 111 and be used for when down lamp installation, contradict on the furred ceiling surface, restriction down lamp fully contracts in the furred ceiling.

In order to facilitate the positioning of the down lamp on the suspended ceiling, an installation handle 112 is integrally arranged on the side wall of the front seat body 11, a spring ear clip 113 is wound on the installation handle 112, during installation, the spring ear clip 113 is embedded into the suspended ceiling along with the down lamp main body and is pressed against the inner side surface of the suspended ceiling under the action of self elastic force, and at the moment, the spring ear clip 113 and the pressing ring 111 on the front seat body 11 form clamping on the suspended ceiling together, so that the positioning of the down lamp on the suspended ceiling is realized.

In order to enhance heat dissipation of the down lamp, the heat dissipation fins 114 are integrally provided on the side wall of the front housing 11, and the heat dissipation fins 114 may be provided with various shapes, such as a chevron shape, to increase the surface area of the heat dissipation fins 114, and heat dissipation gaps are formed between the heat dissipation fins 114 at intervals.

The side of the rear seat body 12 facing away from the front seat body 11 is provided with an electric bin 121, and the rear seat body 12 is provided with an air bin cover 32 for closing the electric bin 121. The electric storehouse 121 is provided with the electric structure 3 that connects, connects electric structure 3 and includes wire holder 31, is connected between wire holder 31 and the lamp pearl 2 electricity, in order to realize the wiring simultaneously, has seted up wire guide 311 on wire holder 31, and when the down lamp was connected, external lead inserted in wire guide 311 on the wire holder 31 to realize the power supply of lamp pearl 2. In order to facilitate the wires to enter the electrical bin 121, the gas bin cover 32 is provided with a wire inlet 33, the wires are required to pass through the wire inlet 33 on the gas bin cover 32 before being inserted into the wire guide holes 311 on the wire holder 31 when being connected, and meanwhile, the wires and the wire holder 31 are required to be fixed by means of fasteners such as screws.

Example 2:

in order to more conveniently connect wires, the application also provides a suspended ceiling down lamp, refer to fig. 2, mainly improve and optimize to electric structure 3, in this scheme, electric structure 3 specifically includes electric wire box 34, locking wire shell fragment 35, be provided with the constant head tank 123 that is used for fixing a position electric wire box 34 in the electric storehouse 121, the wiring socket 124 that is connected with lamp pearl 2 electricity is installed to the bottom of electric storehouse 121 simultaneously, integrated into one piece has electric pin 341 on the electric wire box 34, electric wire box 34 inlays and locates in the constant head tank 123, and electric pin 341 imbeds in the jack of wiring socket 124, realize electric connection between electric wire box 34 and the lamp pearl 2.

For the convenience of fixing the wire, a wire insertion cavity 342 and a spring plate insertion opening 343 are formed in the conductive wire box 34, and meanwhile, a positioning protrusion 344 is integrally formed in the conductive wire box 34 at a position between the wire insertion cavity 342 and the spring plate insertion opening 343, a winding column 125 is integrally formed in the electrical bin 121 and between the conductive wire box 34 and the inner wall of the electrical bin 121 on one side far away from the front seat 11, a clamping block 126 is formed on the winding column 125 in a protruding manner towards one side of the conductive wire box 34, and the positioning protrusion 344 on the conductive wire box 34 is propped against the winding column and is attached to the surface of the clamping block 126 on one side close to the wire insertion cavity 342.

The locking wire elastic sheet 35 is made of elastic material, specifically, metal copper can be selected, one end of the locking wire elastic sheet 35 is a fixed end, the other end is a wire clamping end, the fixed end of the locking wire elastic sheet 35 is inserted into the conductive wire box 34, and the wire clamping end extends into the wire inserting cavity 342 after bypassing the winding post and is abutted against the inner wall of one side of the wire inserting cavity 342 far away from the elastic sheet socket 343.

When in wiring, the wire clamping end of the wire locking elastic sheet 35 is retracted by the precursor, a wire clamping space is formed between the wire clamping end of the wire locking elastic sheet 35 and the inner wall of the conductive wire box 34, then a wire is led into the wire clamping space, the constraint on the wire locking elastic sheet 35 is released, the wire clamping end of the wire locking elastic sheet 35 resets under the action of self elastic potential energy and the wire is pressed on the inner wall of the conductive wire box 34, and accordingly the wire is fixed.

In order to strengthen the fixing effect of the locking wire spring 35 on the wire, the inner wall of the conductive wire box 34, which is located in the wire insertion cavity 342 and is far away from the spring plate socket 343, is provided with an elastic fin 345 through punching, the free end of the elastic fin 345 is tilted towards the spring plate socket 343, and at the moment, the wire clamping end of the locking wire spring 35 is abutted against the inner wall of the conductive wire box 34 and is also contacted with the free end of the elastic fin 345.

In order to facilitate the retraction of the wire clamping end of the wire locking elastic sheet 35 so as to form a wire clamping space between the wire clamping end of the wire locking elastic sheet 35 and the inner wall of the wire guide box 34, a poking assembly 4 is arranged on the rear seat body 12, the poking assembly 4 comprises a gas chamber cover 32 and a poking block 41, the gas chamber cover 32 has a structure different from that of the gas chamber cover 32 in the embodiment 1, a chamber cover groove 127 is formed on the surface of the rear seat body 12 opposite to the front seat body 11 and positioned at the edge of the electric chamber 121, the gas chamber cover 32 is embedded and buckled in the chamber cover groove 127, in order to realize the fixation between the gas chamber cover 32 and the rear seat body 12, semicircular grooves 5 are respectively formed on the split sides of the gas chamber cover 32 and the rear seat body 12, the semicircular grooves 5 on the gas chamber cover 32 and the rear seat body 12 are mutually combined to form circular grooves for embedding screws 51, simultaneously, a screw 51 is arranged in the semicircular grooves 5 of the rear seat body 12, and a screw 51 is arranged in the threaded holes, and the screw 51 falls into the semicircular grooves 5 on the gas chamber cover 32 and the rear seat body 12 simultaneously.

In order to facilitate the wires to enter the electrical bin 121, in this embodiment, the wire inlet 33 is formed on the surface of the rear seat 12 opposite to the front seat 11 and corresponds to the position of the wire insertion cavity 342 on the wire box 34.

The poking block 41 is integrally provided with an extension handle 43 and a poking handle 42, the extension handle 43 and the poking handle 42 are respectively positioned on two sides of the poking block 41, the poking groove 321 is formed in the air bin cover 32, the poking block 41 is rotatably arranged on the inner side wall of the air bin cover 32, the poking handle 42 passes through the poking groove 321 and then is positioned outside the air bin cover 32, and the poking groove 321 is convenient for installers to poke the poking handle 42.

Referring to fig. 2 and 3, an inserting slot 431 is formed at one end of the extending handle 43 far away from the poking block 41, an inserting sheet 351 is integrally formed on the wire clamping end of the wire locking elastic sheet 35, the width of the inserting sheet 351 is smaller than that of the inserting slot 431, meanwhile, the thickness of the inserting sheet 351 is smaller than that of the inserting slot 431, the inserting sheet 351 is embedded in the inserting slot 431 on the extending handle 43, the poking handle 42 is pulled, the wire clamping end of the wire locking elastic sheet 35 can be driven by the extending handle 43 to be separated from contact with the inner wall of the wire guiding box 34, and accordingly wires can be conveniently inserted into the wire inserting cavity 342.

In order to reduce the occurrence of the falling-off from the rear housing 12 when the wire is pulled, a blocking component 6 for limiting the retraction of the wire clamping end of the wire locking spring 35 is arranged on the air bin cover 32, the blocking component 6 comprises a mounting seat 61, an elastic component 62 and a blocking block 63, the mounting seat 61 is fixed on the inner side wall of the air bin cover 32, the center of the mounting seat 61 is provided with a mounting cavity, and simultaneously, two side walls of the mounting seat 61 opposite to each other are respectively provided with a guide groove 611 which is parallel to the depth direction of the mounting cavity and is communicated with the mounting cavity. The elastic piece 62 selects a spring, the elastic piece 62 is embedded in the installation cavity of the installation seat 61, and meanwhile the blocking piece 63 is telescopically installed in the installation cavity of the installation seat 61 by means of the anti-falling structure and extrudes the elastic piece 62, so that one end of the blocking piece 63 outside the installation seat 61 is pushed by the elastic piece 62 to be on one side of the clamping end of the lower crosspiece of the locking wire elastic piece 35 opposite to the elastic fin 345, and the clamping end of the locking wire elastic piece 35 is further limited to retract.

The anti-falling structure comprises anti-falling protrusions 7 integrally arranged on two side walls of the blocking block 63, wherein the two side walls are opposite to each other, the two anti-falling protrusions 7 are respectively arranged in two guide grooves 611 on the mounting seat 61 in a penetrating manner, and therefore the movement stroke of the blocking block 63 is restrained by means of solid parts of the mounting seat 61, which are positioned at two ends of the guide grooves 611.

In order to enable the clamping end of the locking wire spring 35 to retract when the poking handle 42 is driven, a retraction structure 8 for driving the blocking piece 63 to retract into the mounting cavity is arranged between the extension handle 43 and the blocking piece 63, the retraction structure 8 comprises a pressing protrusion 81 and a linkage protrusion 82, the pressing protrusion 81 is integrally arranged on the surface of one side, opposite to the elastic fin 345, of the end, away from the poking piece 41, of the extension handle 43, the linkage protrusion 82 is integrally arranged on one end, located outside the mounting seat 61, of the blocking piece 63, wedge-shaped surfaces 9 are formed on the pressing protrusion 81 and the linkage protrusion 82, the wedge-shaped surfaces 9 on the pressing protrusion 81 and the linkage protrusion 82 are mutually abutted, and therefore when the extension handle 43 is driven by the poking handle 42, the blocking piece 63 can be driven to retract into the mounting cavity through the acting force of the pressing protrusion 81 to the linkage protrusion 82, and retraction can be generated when the locking wire spring 35 is pulled by the poking piece, and wire pulling can be ensured to normally perform wire connection and wire pulling operation.

The implementation principle of the ceiling down lamp provided by the embodiment of the application is as follows: referring to fig. 1 or 4, in use, the rear seat body 12 and the spring lugs 113 are installed in the lamp holes of the suspended ceiling, the suspended ceiling is clamped by the spring lugs 113 and the abutting rings 111 on the front seat body 11 after the rear seat body is released, so that the down lamp is positioned on the suspended ceiling, and at the moment, the heat dissipation fins 114 on the front seat body 11 can transfer the heat of the lamp beads 2 to the air more quickly, so that the possibility of burning the lamp beads 2 is reduced, and the service life of the lamp beads 2 is prolonged. The electric connection structure 3 in the optimized scheme can be used for completing the plugging and pulling out of the lead by stirring the handle 42 without frequently disassembling and assembling the air bin cover 32, so that the installation efficiency of the down lamp can be greatly improved.

The above embodiments are not intended to limit the scope of the present invention, so: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.

Claims

1. The utility model provides a furred ceiling down lamp, includes lamp body (1), installs lamp pearl (2) on lamp body (1), its characterized in that: the lamp body (1) comprises a front seat body (11) made of metal materials and a rear seat body (12) fixed on the front seat body (11), radiating fins (114) are integrally arranged on the side wall of the front seat body (11), radiating gaps are formed between the radiating fins (114) at intervals, and the lamp beads (2) are arranged on the front seat body (11); an electric bin (121) is arranged on one side, facing away from the lamp beads (2), of the rear seat body (12), an electric connection structure (3) is arranged in the electric bin (121), the electric connection structure (3) comprises a conductive wire box (34) which is arranged in the electric bin (121) and provided with a wire plug cavity (342), a wire locking elastic sheet (35) with one end fixed on the conductive wire box (34) and the other end elastically abutted against the inner wall of the conductive wire box (34) after being bent, the conductive wire box (34) is electrically connected with the lamp beads (2), a wire inlet (33) which is aligned with the wire plug cavity (342) of the conductive wire box (34) is arranged on the rear seat body (12), and a stirring assembly (4) which is used for driving the wire clamping end of the wire locking elastic sheet (35) to retract so as to form a wire clamping space between the wire clamping end of the wire locking elastic sheet (35) and the inner wall of the conductive wire box (34) is arranged on the rear seat body (12); the electric bin (121) is characterized in that a winding piece column (125) is integrally arranged on the inner wall of the electric bin and positioned between the electric wire box (34) and the wire inlet (33), a spring piece socket (343) is formed in one side, close to the winding piece column (125), of the electric wire box (34), one end, propped against the inner wall of the electric wire box (34), of the wire locking spring piece (35) is a wire clamping end, the other end is a fixed end, the fixed end of the wire locking spring piece (35) is inserted into the spring piece socket (343), and the wire clamping end of the wire locking spring piece (35) bypasses the winding piece column (125) and then stretches into a wire inserting cavity (342) on the electric wire box (34); the conductive wire box (34) is used for being integrally provided with an elastic fin (345) on the inner wall propped against the clamping end of the wire locking elastic piece (35), the free end of the elastic fin (345) is tilted towards one side of the elastic piece inserting opening (343), and the clamping end of the wire locking elastic piece (35) is propped against the inner wall of the conductive wire box (34) and is contacted with the free end of the elastic fin (345); the stirring assembly (4) comprises a gas bin cover (32) fixed on the rear seat body (12) and used for closing an opening of the electrical bin (121), and a stirring block (41) rotatably installed on the gas bin cover (32), an extension handle (43) and a stirring handle (42) are integrally arranged on the stirring block (41), the extension handle (43) and the stirring handle (42) are respectively positioned at two sides of the stirring block (41), a slot (431) is formed in the surface, far away from one end of the stirring block (41), of the extension handle (43) and facing to one side of a wire clamping end of the wire locking elastic piece (35), a plug piece (351) is integrally formed on the wire clamping end of the wire locking elastic piece (35), the plug piece (351) is embedded in the slot (431) in the extension handle (43), and a stirring groove (321) used for allowing the stirring handle (42) to pass through and move is formed in the gas bin cover (32); the novel lock wire mechanism is characterized in that a gear component (6) used for limiting retraction of a wire clamping end of a lock wire elastic piece (35) towards one side of an elastic piece inserting opening (343) is arranged on the air bin cover (32), the gear component (6) comprises an installation seat (61) integrally arranged on the inner wall of the air bin cover (32) and provided with an installation cavity in a surrounding mode, an elastic piece (62) placed in the installation cavity of the installation seat (61), a blocking block (63) with one end inserted into the installation cavity of the installation seat (61) and the other end blocking the retraction path of the wire clamping end of the lock wire elastic piece (35), an anti-falling structure used for limiting falling of the blocking block (63) from the installation seat (61) is arranged between the blocking block (63), and a retraction structure (8) used for driving the blocking block (63) to retract into the installation cavity is arranged between the extending handle (43) and the blocking block (63); the anti-falling structure comprises anti-falling protrusions (7) fixed on two side walls of the blocking block (63) opposite to each other, guide grooves (611) communicated with the installation cavity and parallel to the depth direction of the installation cavity are formed in the two side walls of the installation seat (61) opposite to each other, and the two anti-falling protrusions (7) on the blocking block (63) are respectively penetrated in the two guide grooves (611); the rollback structure (8) comprises an extrusion protrusion (81) integrally arranged at one end, far away from the stirring block (41), of the extension handle (43) and a linkage protrusion (82) integrally arranged on the blocking block (63), wherein the extrusion protrusion (81) is positioned between the linkage protrusion (82) and the clamping end of the locking wire elastic sheet (35), wedge-shaped surfaces (9) are formed on the extrusion protrusion (81) and the linkage protrusion (82), and the wedge-shaped surfaces (9) of the extrusion protrusion (81) and the linkage protrusion (82) are mutually abutted.

2. The suspended ceiling down light of claim 1, wherein: the side wall of the front seat body (11) is integrally provided with a mounting handle (112), a spring earring (113) is wound on the mounting handle (112), and the spring earring (113) is abutted against the side wall of one end, far away from the rear seat body (12), of the front seat body (11) under the action of self elastic potential energy.

3. The suspended ceiling down light of claim 1, wherein: the electric connection structure (3) comprises a wire holder (31) which is arranged in the electric bin (121) and is electrically connected with the lamp beads (2), and a wire hole (311) for inserting a wire is formed in the wire holder (31).