CN213333908U - Down lamp shell and surface-mounted down lamp - Google Patents

Abstract

The utility model discloses a surface-mounted down lamp, include: a power source; the fixing support comprises a support main body and a first bending part, the first bending part is in a bent plate shape, and the first bending part is fixed on the lower surface of the support main body; the lamp body subassembly, the lamp body subassembly includes lighting fixture and second kink, and the second kink is fixed on the lighting fixture, and the second kink contacts with first kink, and the second kink can take place to slide for first kink, and the lighting fixture sets up to, when the second kink slides to preset position department for first kink, the downside at the support main part can be fixed to the lighting fixture. Through mutually supporting between first kink and the second kink, only need promote lamp body component to predetermineeing position department, can realize fixing the purpose on the fixed bolster with lamp body component, the installation is simple, convenient, swift, has effectively improved the installation effectiveness.

Description

Down lamp shell and surface-mounted down lamp

Technical Field

The utility model relates to a lamps and lanterns field especially relates to a down lamp casing and obviously adorn down lamp.

Background

In the related art, most obviously adorn down lamp is through the connected mode of screw bolt with lamp housing subassembly fixed on the installation component in the installation, and such mode leads to needing with the help of extra instrument when installing the down lamp to need spend more time, the installation degree of difficulty is high, and the installation effectiveness is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a bright down lamp of adorning can remove from and pass through the installation step of threaded bolt fixing with extra instrument with the lamp housing subassembly on the installation component, has improved the installation effectiveness.

An embodiment of the first aspect of the utility model provides a down lamp casing, include:

the mounting assembly comprises a fixed support and a first bending part, the first bending part is in a bent plate shape, and the first bending part is fixed on the lower surface of the fixed support;

the lamp holder component comprises a lamp holder and a second bent part, the second bent part is fixed to the lamp holder, the second bent part is in contact with the first bent part, the second bent part can slide relative to the first bent part, the lamp holder is arranged in a manner that when the second bent part slides to a preset position relative to the first bent part, the lamp holder can be fixed to the lower side of the fixed support.

According to the utility model discloses down lamp casing has following technological effect at least:

through mutually supporting between first kink and the second kink, only need promote the lamp housing subassembly to predetermineeing position department, can realize fixing the purpose on the installation component with the lamp housing subassembly, the installation is simple, convenient, swift, has effectively improved the installation effectiveness.

According to the utility model discloses a down lamp casing of some embodiments, the installation component still includes spacing portion, spacing portion is fixed on the first kink, spacing portion be used for with the second kink restriction is in predetermine position department.

According to the utility model discloses a down lamp casing of some embodiments, first kink includes first arch, the second kink includes that the second is protruding, first arch with the second is protruding to be set up into, first kink slide to with when spacing portion contacts, the second is protruding to be restricted first arch with between the spacing portion, the second arch can break through under the effect of external force first bellied restriction.

According to the utility model discloses a down lamp casing of some embodiments, the installation component still includes the guide part, the guide part sets up the both sides of fixed bolster's lower surface, the lighting fixture can remove between the guide part.

According to the utility model discloses a down lamp casing of some embodiments, the installation component is still including preventing slow-witted portion, prevent that slow-witted portion fixes on the lower surface of fixed bolster, prevent that slow-witted portion is used for preventing the lighting fixture is followed the one end of guide part slides in.

According to the utility model discloses a down lamp casing of some embodiments, the lamp housing subassembly still includes the safety rope, the one end of safety rope with the lighting fixture is connected, the other end of safety rope can be bound on the installation component.

An embodiment of the second aspect of the utility model provides a surface-mounted down lamp, include according to the utility model discloses the down lamp casing of above-mentioned first aspect embodiment.

According to the utility model discloses obviously adorn down lamp has following technological effect at least:

through adopting foretell down lamp casing, simplified the installation step of obviously adorning down lamp, reduced the installation degree of difficulty, promoted the installation effectiveness.

According to the utility model discloses an obviously adorn down lamp of some embodiments still includes the power, the power is installed in the lamp house subassembly, the installation component still includes first wire, the lamp house subassembly still includes the second wire, the one end of first wire is fixed on the fixed bolster, the one end of second wire with the power is connected, the other end of first wire can with the other end of second wire is pegged graft fast through connecing the terminal soon.

According to the utility model discloses an obviously adorn down lamp of some embodiments, the lamp housing subassembly still includes the radiating part, the radiating part includes the front ring, the front ring is cyclic annularly, be provided with the drum-shaped chamber on the lighting fixture, the front ring sets up the drum-shaped intracavity, the lateral surface of front ring is provided with first sphere, the internal perisporium in drum-shaped chamber is provided with the second sphere, first sphere can with the second sphere is laminated mutually, is made the front ring with the universal clearance fit in drum-shaped chamber.

According to the utility model discloses an obviously adorn down lamp of some embodiments, the lamp housing subassembly still includes outer loop portion, outer loop portion includes upper cover and elastic component, the upper cover is cyclic annularly, the internal perisporium of upper cover with the periphery wall of preceding ring contacts, elastic component's one end with the upper cover with be connected, elastic component's the other end with the lighting fixture is connected, outer loop portion be used for with the heat dissipation part restriction is in the cydariform intracavity.

According to the utility model discloses an obviously adorn down lamp of some embodiments, the power includes the power fastener, the power fastener is fixed on the fixed bolster, the power fastener be used for with the power is fixed on the lighting fixture.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of an open-mounted down lamp in an embodiment of the present invention;

FIG. 2 is a top view of the open-mount downlight of FIG. 1;

FIG. 3 is an exploded view of the open-mount downlight of FIG. 1;

fig. 4 is a schematic perspective view of a mounting assembly in an embodiment of the present invention;

FIG. 5 is a side view of the mounting assembly of FIG. 4;

fig. 6 is a schematic perspective view of a second bending portion in an embodiment of the present invention;

fig. 7 is a schematic perspective view of a lamp housing assembly according to an embodiment of the present invention;

fig. 8 is a cross-sectional view taken at a-a in fig. 2.

Reference numerals: the light source module comprises a mounting assembly 100, a first bending part 110, a first protrusion 111, a limiting part 120, a guide part 130, a fool-proof part 140, a fixing support 160, a lamp shell assembly 200, a second bending part 210, a second protrusion 211, a heat dissipation part 220, a heat dissipation part 221, a lamp bead 222, a lamp bead support 223, a light cup 224, a front ring 225, an outer ring part 230, an upper cover 231, an elastic assembly 232, a safety rope 240, a first lead 251, a second lead 252, a lamp holder 260, a power supply 300 and a power supply support 310.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

A downlight housing and an open-mount downlight according to an embodiment of the present invention are described below with reference to fig. 1 to 8.

According to the utility model discloses down lamp casing of first aspect embodiment, including installation component 100 and lamp housing subassembly 200.

The mounting assembly 100 includes a fixing bracket 160 and a first bent portion 110, the first bent portion 110 is in a bent plate shape, and the first bent portion 110 is fixed on the lower surface of the fixing bracket 160; the lamp housing assembly 200 includes a lamp holder 260 and a second bent portion 210, the second bent portion 210 is fixed on the lamp holder 260, the second bent portion 210 contacts with the first bent portion 110, the second bent portion 210 can slide relative to the first bent portion 110, and the lamp holder 260 is configured such that, when the second bent portion 210 slides to a predetermined position relative to the first bent portion 110, the lamp holder 260 can be fixed at the lower side of the fixing bracket 160.

In a specific using process, firstly, the mounting assembly 100 is fixed to a place, such as a ceiling or a wall, where a down lamp is to be installed, and a circuit is arranged, and then the lamp housing assembly 200 is lifted up, so that the folding surface of the second bending portion 210 is combined with the folding surface of the first bending portion 110, and then the lamp housing assembly 200 is pushed in the transverse direction, so that the second bending portion 210 moves to a preset position, and the mounting of the lamp housing assembly 200 is completed.

Specifically, as shown in fig. 1 to 7, the mounting assembly 100 includes a fixing bracket 160 and at least one first bending portion 110, the fixing bracket 160 is provided with a plurality of mounting holes for enabling the fixing bracket 160 to be fixed on a ceiling or a concrete wall by a fastener, the first bending portion 110 is fixed on the lower side of the fixing bracket 160 by welding or fastening, and the side view thereof may be "L" shaped or "Z" shaped; the lamp housing assembly 200 includes a lamp holder 260 and at least one second bent portion 210, the second bent portion 210 is fixed on the lamp holder 260 by welding or screw bolt connection, and it is "Z" shape in side view, through such a shape, the first bent portion 110 can be combined with the second bent portion 210, it can be understood that, when the first bent portion 110 cannot move due to the fixing of the mounting assembly 100, the combination of the second bent portion 210 and the first bent portion 110 enables the first bent portion 110 to provide a supporting force for the lamp housing assembly 200. Be provided with preset position on first kink 110, when second kink 210 removed to preset position department, lamp housing subassembly 200 can stop steadily at the downside of installation component 100, has accomplished down lamp casing's installation promptly, and is simple, swift, convenient, has effectively improved the installation effectiveness.

Further, the fixing support 160 is plate-shaped, the lamp holder 260 is box-shaped, when the folding surface of the second bending portion 210 contacts with the folding surface of the first bending portion 110, the upper end of the lamp holder 260 is attached to the lower surface of the fixing support 160, and due to the design, after the second bending portion 210 moves to the preset position, the inside of the shell of the down lamp can become a sealed space, so that the dustproof purpose is achieved.

Further, the first bending portion 110 is provided with a groove or an elastic protrusion at a predetermined position, and the second bending portion 210 is provided with an elastic protrusion or a groove adapted to the design of the first bending portion 110, so that when the second bending portion 210 moves to the predetermined position, the movement of the second bending portion 210 can be restricted, and the second bending portion 210 does not move when being pushed by external force or external force is small, and the lamp housing assembly 200 is more stably installed due to the design.

For example, the first bending portion 110 is provided with a groove, the second bending portion 210 is provided with a protrusion adapted to the groove, when the second bending portion 210 moves to the groove, the protrusion may be embedded into the groove, the groove is located at a predetermined position, and the movement of the second bending portion 210 may be limited by the groove.

In addition, the angle between the flaps of the first bending portion 110 may be equal to ninety degrees or less than ninety degrees, and the angle between the flaps of the second bending portion 210 is matched with the first bending portion 110, it can be understood that when the angle between the flaps of the first bending portion 110 is less than ninety degrees, the second bending portion 210 may slide obliquely downward when the first bending portion 110 is combined with the second bending portion 210, such a design enables the first bending portion 110 to be combined with the second bending portion 210 more firmly.

Meanwhile, the lamp housing assembly 200 and the mounting assembly 100 are mounted through the first bending part 110 and the second bending part 210, so that the appearance of the installed down lamp housing is free of fixing parts such as screws, and the appearance of the down lamp housing is beautified while the mounting step of the down lamp housing is optimized.

In some embodiments of the present invention, the mounting assembly 100 further includes a limiting portion 120, the limiting portion 120 is fixed on the first bending portion 110, and the limiting portion 120 is used for limiting the second bending portion 210 at a predetermined position.

Specifically, as shown in fig. 2 to 5, the position-limiting portion 120 is plate-shaped and fixed at a predetermined position on the first bending portion 110, when the second bending portion 210 is combined with the first bending portion 110 and moves to the predetermined position on the first bending portion 110, the second bending portion 210 contacts with the position-limiting portion 120, it can be understood that the position-limiting portion 120 can block the second bending portion 210 from continuing to move, that is, when the lamp housing assembly 200 is pushed laterally to the lamp housing assembly 200, the second bending portion 210 stays at the predetermined position, and the lamp housing assembly 200 is installed. The design makes the installation more convenient.

In some embodiments of the present invention, the first bending portion 110 includes a first protrusion 111, the second bending portion 210 includes a second protrusion 211, the first protrusion 111 and the second protrusion 211 are configured such that when the first bending portion 110 slides to contact with the limiting portion 120, the second protrusion 211 is limited between the first protrusion 111 and the limiting portion 120, and the second protrusion 211 can break through the limitation of the first protrusion 111 under the external force.

In a specific use process, after the first bending part 110 is combined with the second bending part 210, when the lamp holder 260 is pushed to move toward the limiting part 120, the first protrusion 111 on the first bending part 110 contacts with the second protrusion 211 on the second bending part 210, and at this time, the first protrusion 111 blocks the movement of the second protrusion 211. Under the action of the pushing force, the second protrusion 211 breaks through the limitation of the first protrusion 111, after the second protrusion 211 crosses the first protrusion 111, the second bending portion 210 contacts with the limiting portion 120, at this time, the second protrusion 211 is limited between the first protrusion 111 and the limiting portion 120, and meanwhile, the position of the second bending portion 210 is also limited, and cannot move freely.

Specifically, as shown in fig. 2 to 5, the first protrusion 111 is disposed on the flap of the first bending portion 110 combined with the second bending portion 210, the second protrusion 211 is disposed on the flap of the second bending portion 210 combined with the first bending portion 110, and both the first protrusion 111 and the second protrusion 211 are stamped and formed shells, that is, both the first protrusion 111 and the second protrusion 211 have good elasticity, so that under the action of a sufficiently large pushing force, the second protrusion 211 can break through the limitation of the first protrusion 111. In addition, the shape of the first protrusion 111 is matched with the shape of the second protrusion 211, that is, when the second protrusion 211 is in contact with the first protrusion 111, the first protrusion 111 can effectively restrict the second protrusion 211. Through such design, when installation lamp housing subassembly 200, as long as make the second protruding 211 cross first protruding 111 and can accomplish the installation, and the lamp housing subassembly 200 of installing more stabilizes, and difficult emergence is removed, has improved down lamp casing's security.

In some embodiments of the present invention, the mounting assembly 100 further includes guide portions 130, the guide portions 130 are disposed at both sides of the lower surface of the fixing bracket 160, and the lamp holder 260 can move between the guide portions 130.

In a specific using process, when the second bent portion 210 is combined with the first bent portion 110, the edge of the lamp holder 260 contacts the guide portion 130, that is, the movement of the lamp housing assembly 200 is restricted by the guide portion 130, so that the lamp housing assembly 200 can only move along one direction until the installation is completed.

Specifically, as shown in fig. 2 to 5, at least two guide portions 130 are disposed on the mounting assembly 100, a main body of each guide portion 130 is plate-shaped, a guide groove or a cushion pad or the like may be disposed on a side surface of each guide portion 130, the guide portions 130 are respectively disposed on two sides of the lower surface of the fixing bracket 160, and a distance between the guide portions 130 is adapted to a width of the lamp holder 260, that is, when the first bent portion 110 and the second bent portion 210 are combined, the lamp holder 260 can be just placed between the guide portions 130, and it can be understood that the lamp holder 260 may contact with the guide portions 130, and a gap may also be left between the lamp holder 260 and the guide portions 130. Due to the design, the moving direction of the lamp shell assembly 200 is ensured, so that the lamp shell assembly is simpler and more convenient to mount, and the mounting efficiency is improved.

In some embodiments of the present invention, the mounting assembly 100 further includes a fool-proof portion 140, the fool-proof portion 140 is fixed on the lower surface of the fixing bracket 160, and the fool-proof portion 140 is used for preventing the lamp holder 260 from sliding into the guiding portion 130.

Specifically, as shown in fig. 2 to 5, the fool-proof portion 140 is fixed on the lower surface of the fixing bracket 160, the fool-proof portion 140 is disposed at the edge of the fixing bracket 160, and when the second bending portion 210 moves to the preset position, the distance between the lamp holder 260 and the fool-proof portion 140 is minimized, it can be understood that the fool-proof portion 140 is disposed at a position close to the edge of the fixing bracket 160, such a design makes the lamp housing assembly 200 unable to be installed from the side where the fool-proof portion 140 is disposed, and limits the moving direction of the lamp housing assembly 200, so that it is not necessary to specially determine the correct installation direction when the lamp housing assembly 200 is installed, and it is ensured that no error occurs when the first bending portion 110 and the second bending portion 210 are abutted, thereby improving the installation efficiency, and at the same time, the fool-proof portion 140 can also ensure that the installation position of the lamp housing assembly 200 is at the preset position.

In some embodiments of the present invention, the lamp housing assembly 200 further includes a safety rope 240, one end of the safety rope 240 is connected to the lamp holder 260, and the other end of the safety rope 240 can be bound to the mounting assembly 100.

In a specific use process, after the installation assembly 100 is fixed at a target position such as a ceiling or a concrete wall, one end of the safety rope 240 is bound to the installation assembly 100, and at this time, the other end of the safety rope 240 is connected to the lamp housing assembly 200, and in a subsequent installation process, the safety rope 240 is received in the lamp holder 260.

Specifically, as shown in fig. 3, the number of safety rope 240 is one at least, the one end of safety rope 240 is provided with the lantern ring, this lantern ring is used for binding installation component 100, the other end of safety rope 240 then fixes all the time on lighting fixture 260, lighting fixture 260 is the box form, so when installation lamp housing assembly 200, the safety rope 240 who binds can be accomodate by lighting fixture 260, such design has guaranteed that the down lamp casing has better appearance after the installation finishes, the setting of safety rope 240 has improved the security of down lamp casing in the installation and after the installation simultaneously.

According to the utility model discloses obviously adorn down lamp of second aspect embodiment, include according to the utility model discloses the down lamp casing of above-mentioned first aspect embodiment.

Specifically, the surface-mounted down lamp adopts the surface-mounted down lamp of the first embodiment, so that the mounting steps of the surface-mounted down lamp are simplified, the mounting difficulty is reduced, and the mounting efficiency is improved.

In some embodiments of the present invention, the power supply 300 is further included, the power supply 300 is installed in the lamp housing assembly 200, the installation assembly 100 further includes a first wire 251, the lamp housing assembly 200 further includes a second wire 252, one end of the first wire 251 is fixed on the fixing bracket 160, one end of the second wire 252 is connected to the power supply 300, and the other end of the first wire 251 can be quickly plugged into the other end of the second wire 252 through a quick-connect terminal.

In a specific use process, after the mounting assembly 100 is fixed at a target position such as a ceiling or a concrete wall, one end of the first wire 251 is fixed on the fixing bracket 160, the other end of the first wire 251 is inserted into one end of the second wire 252, and the other end of the second wire 252 is connected to the power supply 300 fixed on the lamp holder 260, so that the circuit is mounted, and in a subsequent mounting process, the first wire 251 and the second wire 252 are accommodated in the lamp holder 260.

Specifically, as shown in fig. 3, one end of the first wire 251 is fixed on the fixing bracket 160, and the joint of the other end of the first wire 251 is matched with the joint of one end of the second wire 252, that is, one of the first wire 251 and the second wire 252 is a female quick-connect terminal, and the other is a male quick-connect terminal, so that the first wire 251 and the second wire 252 can be quickly plugged to achieve circuit communication, while the joint of the other end of the second wire 252 is always connected with the power supply 300, and at this time, the power supply 300 is fixed on the lamp holder 260, such a design makes the installation of the electric wire faster and more convenient, and improves the installation efficiency of the surface-mounted downlight.

In addition, the lamp holder 260 is box-shaped, so when the lamp housing assembly 200 is installed, the connected first lead 251 and second lead 252 can be accommodated by the lamp holder 260, and a better appearance of the surface-mounted down lamp after the installation is ensured.

In some embodiments of the present invention, the lamp housing assembly 200 further includes a heat dissipating portion 220, the heat dissipating portion 220 includes a front ring 225, the front ring 225 is annular, the lamp holder 260 is provided with a drum-shaped cavity, the front ring 225 is disposed in the drum-shaped cavity, the outer side surface of the front ring 225 is provided with a first spherical surface, the inner peripheral wall of the drum-shaped cavity is provided with a second spherical surface, and the first spherical surface can be attached to the second spherical surface, so that the front ring 225 and the drum-shaped cavity are in universal movable fit.

Specifically, as shown in fig. 7 and 8, the heat dissipation portion 220 includes a front ring 225, the cross section of the front ring 225 is annular, the outer peripheral wall of the front ring 225 is drum-shaped, i.e. a first spherical surface, so that a space exists inside the front ring 225, and the lamp bead 222, the lamp bead bracket 223, the heat dissipation member 221, the light cup 224, and the like are all installed inside the front ring 225; the lamp holder 260 is provided with a drum-shaped cavity with two open ends, the lower side of the inner peripheral wall of the drum-shaped cavity is the second spherical surface, and the first spherical surface is matched with the second spherical surface in shape, so that when the front ring 225 can be placed in the drum-shaped cavity, the first spherical surface and the second spherical surface can be attached to each other, the front ring 225 can realize universal irradiation of the lamp bead 222 by adjusting the inclination angle of the front ring 225, and it can be understood that the design can ensure that the front ring 225 after the angle adjustment is always limited in the drum-shaped cavity by the lowest end of the drum-shaped cavity.

As shown in fig. 8, a hook groove is provided on the lower side of the inner peripheral wall of the front ring 225, and the light cup 224 is provided with a structure adapted to the hook groove so that the light cup 224 can be mounted in the front ring 225 through the hook groove; a lamp bead support 223 is arranged on the upper side of the light cup 224, and the lamp beads 222 are clamped in the lamp bead support 223; an internal thread is provided on the upper side of the inner peripheral wall of the front ring 225, an external thread adapted to the internal thread is provided on the heat sink 221, and the heat sink 221 is installed in the front ring 225 by such a design. It can be understood that, when radiating piece 221 screwed, radiating piece 221 can suppress lamp pearl 222 and lamp pearl support 223 downwards, and then suppresses light cup 224 for each part can both be fixed closely in ring 225 before, and such design has guaranteed that lamp pearl 222 can not influence the light efficiency because of appearing rocking in the in-process of ring 225 before the adjustment.

In some embodiments of the present invention, the lamp housing assembly 200 further includes an outer ring portion 230, the outer ring portion 230 includes an upper cover 231 and an elastic assembly 232, the upper cover 231 is ring-shaped, an inner peripheral wall of the upper cover 231 contacts with an outer peripheral wall of the front ring 225, one end of the elastic assembly 232 is connected with the upper cover 231, the other end of the elastic assembly 232 is connected with the lamp holder 260, and the outer ring portion 230 is used for limiting the heat dissipation portion 220 in the drum-shaped cavity.

Specifically, as shown in fig. 7 and 8, the outer ring part 230 includes an upper cover 231 and a plurality of elastic components 232, the elastic components 232 include springs and screws, the springs are sleeved on the screws, one ends of the springs are fixed to the screws, one ends of the screws are fixed to the upper cover, the lamp holder 260 is uniformly provided with a plurality of grooves along the edge of the drum-shaped cavity, the number and the distribution positions of the grooves are respectively adapted to the number and the distribution positions of the elastic components 232, so that each elastic component 232 can be accommodated by one groove, and the other ends of the springs are fixed in the grooves. The shape of the inner peripheral wall of the upper cover 231 is matched with the shape of the upper side of the outer peripheral wall of the front ring 225, the inner peripheral wall of the upper cover 231 can be tightly attached to the upper side of the outer peripheral wall of the front ring 225, and through the design, the front ring 225 with the adjusted angle can always bear the pressure from the upper cover 231, so that the friction force between the first spherical surface and the second spherical surface is enough to enable the front ring 225 to keep the adjusted angle, and the irradiation direction of the lamp bead 222 is adjustable and controllable. It will be appreciated that such a design also constrains the range of angles that the front ring 225 can adjust, thereby avoiding the occurrence of twisting when the angle of the front ring 225 is adjusted.

In some embodiments of the present invention, the power supply 300 includes a power supply fastener 310, the power supply fastener 310 is fixed on the fixing bracket 160, and the power supply fastener 310 is used for fixing the power supply 300 on the lamp holder 260.

Specifically, as shown in fig. 7 and 8, the power supply 300 is fixed on the lamp holder 260 through the power supply fastener 310, the power supply fastener 310 is detachably connected with the lamp holder 260, the design ensures that the power supply can be stably installed on the lamp holder 260, and meanwhile, the connection mode of the power supply fastener 310 enables the power supply replacement to be simple and rapid, so that the efficiency during later maintenance and repair is improved.

Claims (11)

1. Down lamp casing, its characterized in that includes:

the mounting assembly comprises a fixed support and a first bending part, the first bending part is in a bent plate shape, and the first bending part is fixed on the lower surface of the fixed support;

the lamp holder component comprises a lamp holder and a second bent part, the second bent part is fixed to the lamp holder, the second bent part is in contact with the first bent part, the second bent part can slide relative to the first bent part, the lamp holder is arranged in a manner that when the second bent part slides to a preset position relative to the first bent part, the lamp holder can be fixed to the lower side of the fixed support.

2. A downlight housing according to claim 1, wherein the mounting assembly further comprises a limiting portion, the limiting portion being fixed to the first bend portion, the limiting portion being configured to limit the second bend portion at the predetermined position.

3. The downlight casing of claim 2, wherein the first bending portion comprises a first protrusion, the second bending portion comprises a second protrusion, the first protrusion and the second protrusion are arranged such that when the first bending portion slides into contact with the limiting portion, the second protrusion is limited between the first protrusion and the limiting portion, and the second protrusion can break through the limitation of the first protrusion under the action of external force.

4. A downlight housing according to claim 1, wherein the mounting assembly further comprises guides disposed on either side of the lower surface of the fixed support, the light holder being movable between the guides.

5. A downlight housing according to claim 4, wherein the mounting assembly further comprises a fool-proof portion, the fool-proof portion being fixed to a lower surface of the fixing bracket, the fool-proof portion being configured to prevent the light holder from sliding in from one end of the guide portion.

6. A downlight housing according to claim 1, wherein the light housing assembly further comprises a safety cord, one end of the safety cord being connected to the light holder, the other end of the safety cord being capable of being bound to the mounting assembly.

7. An open-mounted downlight comprising the downlight housing of any one of claims 1 to 6.

8. The surface-mounted down lamp according to claim 7, further comprising a power supply, wherein the power supply is installed in the lamp housing assembly, the installation assembly further comprises a first wire, the lamp housing assembly further comprises a second wire, one end of the first wire is fixed on the fixed support, one end of the second wire is connected with the power supply, and the other end of the first wire can be rapidly plugged with the other end of the second wire through a quick-connection terminal.

9. The surface-mounted down lamp according to claim 7, wherein the lamp housing assembly further comprises a heat dissipation portion, the heat dissipation portion comprises a front ring, the front ring is annular, a drum-shaped cavity is arranged on the lamp holder, the front ring is arranged in the drum-shaped cavity, a first spherical surface is arranged on the outer side surface of the front ring, a second spherical surface is arranged on the inner peripheral wall of the drum-shaped cavity, and the first spherical surface can be attached to the second spherical surface to enable the front ring to be in universal movable fit with the drum-shaped cavity.

10. An open-mounted down lamp according to claim 9, wherein the lamp housing assembly further comprises an outer ring portion, the outer ring portion comprises an upper cover and an elastic assembly, the upper cover is annular, the inner peripheral wall of the upper cover is in contact with the outer peripheral wall of the front ring, one end of the elastic assembly is connected with the upper cover, the other end of the elastic assembly is connected with the lamp holder, and the outer ring portion is used for limiting the heat dissipation portion in the drum-shaped cavity.

11. An open-mounted downlight according to claim 8 wherein the power supply comprises a power supply fastener, the power supply fastener being secured to the fixed support, the power supply fastener being adapted to secure the power supply to the light holder.

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