CN215112302U - Metal shrapnel, mounting ring and ceiling lamp - Google Patents

Abstract

The embodiment of the utility model provides a metal elastic sheet, a mounting ring and a ceiling lamp, wherein the metal elastic sheet is used for being matched and fixed with the mounting groove on the mounting ring; the metal elastic sheet comprises a mounting part and an elastic sheet part; the mounting part comprises a vertical plate and a protruding part arranged on at least one side of the vertical plate; the mounting part is inserted into the mounting groove and forms elastic interference fit with the mounting groove through the protruding part; the elastic sheet part is connected to the top of the vertical plate and forms an acute angle with the vertical plate. Therefore, the protruding part arranged on the mounting part of the metal elastic sheet can be directly pressed during assembly, so that the mounting part of the metal elastic sheet and the mounting groove of the mounting ring form interference fit to realize mounting, and the difficulty of assembly is greatly reduced; the elastic sheet part and the mounting part form an acute included angle, and the elastic sheet part only needs to be directly inserted into a hole of a ceiling in the mounting process of the ceiling lamp, so that the operation complexity of an operator is reduced, and the use experience is improved; and the metal elastic sheet has simple structure and easy production, thereby greatly reducing the production cost.

Description

Metal shrapnel, mounting ring and ceiling lamp

Technical Field

The embodiment of the utility model provides a but, not limited to the illumination field particularly, relate to but not limited to a metal shrapnel, collar and ceiling light.

Background

In the field of lighting, ceiling lights installed in ceilings, including down lights, spot lights, and the like, are used in various lighting scenes. In the installation of the ceiling lamp, usually in an embedded installation, a hole is formed in a ceiling, and the size of the hole is related to the size of the ceiling lamp; then wiring, and correspondingly connecting the power supply circuit of the ceiling lamp with the circuit reserved on the ceiling; then, the ceiling lamp is plugged into the hole, wherein the side edge of the ceiling lamp is provided with at least two metal elastic sheets, when the ceiling lamp is installed, the outer edge of the ceiling lamp is larger than the opening, and the elastic sheets are abutted against the back surface of the ceiling due to elasticity of the elastic sheets, so that the ceiling lamp is fixed. And metal shrapnel on the ceiling light because it need just possess elasticity with ceiling light fastening connection, adopt threaded fastener usually among the correlation technique, fix it with the ceiling light body, perhaps realize with the spring fit stationary blade, this fixed mode is not only costly, and the metal shrapnel is complicated with the assembly methods of ceiling light body moreover, and the assembly of ceiling light is also comparatively loaded down with trivial details, and the staff of being not convenient for is to the field installation of ceiling light, leads to its use to experience not good.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a pair of metal shrapnel and ceiling light, the main technical problem of solving is that the assembly of the metal shrapnel of ceiling light is loaded down with trivial details among the prior art, uses and experiences poor problem.

In order to solve the above technical problem, an embodiment of the present invention provides a metal elastic sheet, which is used for being matched and fixed with a mounting groove on a mounting ring; the metal elastic sheet comprises a mounting part and an elastic sheet part; the mounting part comprises a vertical plate and a protruding part arranged on at least one side of the vertical plate; the mounting part is inserted into the mounting groove and forms elastic interference fit with the mounting groove through the protruding part; the elastic sheet part is connected to the top of the vertical plate and forms an acute angle with the vertical plate.

Optionally, the protrusion comprises at least two protruding spikes formed by riser cracks, the spikes of the protruding spikes facing the top of the riser; after the installation groove is inserted, the protruding spine is in a barb shape and is towards the inner wall of the installation groove.

Optionally, the protruding spikes are formed by cracking from the vertical plate to the spring piece portion.

Optionally, the elastic sheet part comprises a flat plate and an inclined plate; one end of the flat plate is connected to the top of the vertical plate, and the other end of the flat plate is connected with the inclined plate; the inclined plate extends downwards from the end part of the flat plate, and an acute angle included angle is formed between the inclined plate and the vertical plate.

Optionally, two of the protruding spikes are located in the left and right end regions of the riser.

Optionally, at least one of the projecting spikes is located in a middle region of the riser.

Optionally, the bottom of the vertical plate is further provided with a pressing part bent towards the direction of the elastic sheet part.

Optionally, the top of the pressing portion is provided with at least one assembling spike, the extending direction of the assembling spike is consistent with that of the pressing portion, and after the assembling spike is inserted into the mounting groove, the assembling spike is in a barb shape and faces the inner wall of the mounting groove.

Optionally, the mounting portion and the spring portion are integrally formed by a sheet metal stamping process, and the protruding portion is formed by stamping on the vertical plate.

The embodiment of the utility model provides a still provide a mounting ring for fixed metal shrapnel, the mounting ring sets up two at least mounting grooves, the mounting groove is used for holding installation department among the metal shrapnel, and pass through protruding portion on the installation department, with the installation department forms elasticity interference fit.

Optionally, when the protruding portion is a protruding spike, after the mounting portion of the metal elastic sheet is inserted into the mounting groove, the protruding spike is in a barb shape and stabs towards the inner wall of the mounting groove.

The embodiment of the utility model provides a ceiling lamp is still provided, including foretell collar and metal shrapnel, every mounting groove correspondence on the collar inserts one metal shrapnel's installation department.

The utility model has the advantages that:

according to the metal elastic sheet, the mounting ring and the ceiling lamp provided by the embodiment of the utility model, the metal elastic sheet is used for being matched and fixed with the mounting groove on the mounting ring; the metal elastic sheet comprises a mounting part and an elastic sheet part; the mounting part comprises a vertical plate and a protruding part arranged on at least one side of the vertical plate; the mounting part is inserted into the mounting groove and forms elastic interference fit with the mounting groove through the protruding part; the elastic sheet part is connected to the top of the vertical plate and forms an acute angle with the vertical plate. Therefore, the installation can be realized by the interference fit between the installation part of the metal elastic sheet and the installation groove of the installation ring through the protruding part arranged on the installation part of the metal elastic sheet and the direct pressing during the assembly, and the difficulty of the assembly is greatly reduced; the elastic sheet part and the mounting part form an acute included angle, and the elastic sheet part only needs to be directly inserted into a hole of a ceiling in the mounting process of the ceiling lamp, so that the operation complexity of an operator is reduced, and the use experience is improved; and the metal elastic sheet has simple structure and easy production, thereby greatly reducing the production cost.

Other features and corresponding advantages of the invention are set forth in the following part of the specification, and it is to be understood that at least some of the advantages become apparent from the description of the invention.

Drawings

Fig. 1 is a perspective view of a metal dome structure in an embodiment of the present invention;

fig. 2 is a side view of a metal dome structure in an embodiment of the present invention;

fig. 3 is a perspective view of a mounting ring structure in an embodiment of the present invention;

FIG. 4 is a perspective view of a ceiling lamp according to an embodiment of the present invention;

fig. 5 is a side view of a ceiling lamp according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings by way of specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiment provides a metal elastic sheet 1, which is used for being matched and fixed with a mounting groove on a mounting ring; referring to fig. 1-2, the metal dome 1 includes a mounting portion 11 and a dome portion 12 that are fixedly connected; the mounting part 11 comprises a vertical plate 14 and a protruding part 13 arranged on at least one side of the vertical plate 14, is used for being inserted into the mounting groove and forms an elastic interference fit with the mounting groove through the protruding part 13; the spring plate is not connected to the top of the vertical plate 14 and forms an acute included angle with the vertical plate 14.

During the installation of the ceiling lamp, the metal elastic sheet 1 is used for abutting against the back surface of the ceiling, and the ceiling lamp is clamped on the ceiling and fixedly connected with the ceiling. In the embodiment of the present invention, the structure of the metal dome 1 mainly includes two parts, namely, an installation part 11 for connecting with the installation ring 2 of the ceiling lamp and a dome part 12 abutting against the ceiling.

The main structure of the mounting part 11 comprises a vertical plate 14 and at least one protruding part 13 fixedly arranged on the vertical plate 14; the vertical plate 14 is a metal sheet extending along the vertical direction, and the protruding part 13 is fixedly connected with the vertical plate 14; the minimum thickness of the riser 14 is the thickness of the riser 14 itself; the maximum thickness of the riser 14 is the dimension of the riser 14 and the outermost side of the protrusion 13.

In order that the metal elastic sheet 1 can be normally installed in the installation groove of the installation ring 2 of the ceiling lamp, when the metal elastic sheet 1 is installed and the installation part 11 is arranged in the installation groove, the installation part 11 is in elastic interference fit with the installation groove through the structures of the vertical plate 14 and the protruding part 13. By elastic interference fit, it is meant that in actual dimensions, the riser 14 in combination with the maximum dimension of the protrusion 13 will be somewhat larger than the dimension of the mounting groove, so that the protrusion 13 will press against the inner wall of the mounting groove due to the larger dimension, thereby achieving interference fit. For better fitting, the hardness of the protruding part 13 is generally higher, so that after assembly, the protruding part 13 will pierce the inner wall of the mounting groove, thereby achieving a tighter connection between the two. Of course, the tip of the protrusion 13 may be a sharp spike or a relatively rounded spike. Through riser 14 and protruding portion 13 on this metal shrapnel's the installation department, can be comparatively easy realize the assembly between metal shrapnel 1 and the collar, particularly, only need with the installation department 11 of metal shrapnel 1, through the mode of directly pressing, press installation department 11 to the mounting groove on the collar in, can be through the interference fit between installation department and the mounting groove, realize the fixed connection between installation department 11 and the mounting groove, thereby just also realized quick fixed connection between metal shrapnel 1 and the collar.

In order to cooperate the installation of metal shrapnel 1, in the structure of the mounting groove on the mounting ring 2, on its inner wall that corresponds with protruding portion 13, can set up the recess that matches with protruding portion 13, this recess can be so that metal shrapnel 1 after the installation is accomplished, protruding portion 13 on its riser 14 can be located wherein, plays interference fit's effect for metal shrapnel 1 realizes fixed connection with mounting ring 2.

The elastic sheet part 12 is connected to the top of the vertical plate 14, and an acute included angle is formed between the elastic sheet part 12 and the vertical plate 14, namely the elastic sheet part 12 extends obliquely downwards along the vertical plate 14; when the installation is carried out, the installation part 11 is fixedly connected with the installation groove, and the elastic sheet part 12 abuts against the back face of the ceiling.

In the manner of installing the spring piece portion 12, specifically, the smaller the angle of the acute angle formed between the spring piece portion 12 and the vertical plate 14, the easier it is to insert the ceiling lamp into the hole when the ceiling lamp is installed. This is because, after the ceiling lamp is installed on the ceiling, the ceiling lamp needs to be clamped and connected by the outer edge of the ceiling lamp and the elastic sheet part 12, and the elastic sheet part 12 can be elastically deformed within a certain range, so that the size of each metal elastic sheet 1 installed on the ceiling lamp in the natural state of the elastic sheet part 12 is larger than the size of the opening on the ceiling. In the process of extending the ceiling lamp into the opening, the elastic sheet part 12 is elastically compressed towards the direction of the vertical plate 14, so that the ceiling lamp can extend into the opening; after the elastic sheet part 12 entirely passes through the opening, the elastic sheet part 12 is stretched again under the elastic action and abuts against the back surface of the ceiling. When the ceiling lamp provided by the embodiment of the utility model is installed, in the process of extending the ceiling lamp into the hole, the metal elastic sheet 1 is not required to be additionally pressed, the elastic sheet part 12 can be directly pressed through the inner wall of the hole on the ceiling, and the elastic sheet part 12 is compressed in the direction of the vertical plate 14 under the pressing of the inner wall of the hole on the ceiling, so that the elastic sheet part extends into the hole; and after the shell fragment portion 12 crossed the trompil, shell fragment portion 12 again can be stretched out again under the elastic action, butt in the back of ceiling to the efficiency of installation has been promoted greatly.

Specifically, in some embodiments, the projections 13 can specifically include at least two projecting spikes 131 formed by the risers 14 cracking, the spikes of the projecting spikes 131 facing the tops of the risers 14; after being inserted into the mounting groove, the protruding spikes 131 are barbed towards the inner wall of the mounting groove. The protruding part 13 is used for abutting against the mounting groove on the mounting ring 2, in order to realize interference fit with the mounting groove, the protruding part 13 can be in a protruding spine 131 form, and the protruding spine 131 can be formed by directly cracking from the vertical plate 14, namely the protruding spine 131 is originally integrated with the vertical plate 14, after process treatment, the protruding spine 131 is formed by stamping process, cutting process and the like, and the protruding spine 131 is formed by directly cracking the vertical plate, so that raw materials required by product manufacturing are saved, the process complexity is reduced, and the production cost is reduced; the spike tip of the protruding spike 131 faces the top of the riser 14, that is, the protruding spike 131 extends obliquely upwards, an acute angle can be formed between the protruding spike 131 and the riser 14, and the opening direction of the acute angle is upwards, so that the installation part 11 can be conveniently assembled, that is, the installation part 11 is placed in the installation groove along the shape of the acute angle; after the installation groove is inserted, the protruding spikes 131 can spike the inner wall of the installation groove, and usually a tiny groove is punctured on the surface of the inner wall of the installation groove, so that the interference fit between the installation groove and the installation part 11 is realized. And because protruding spine 131 is upwards, consequently can be barb-like to the inner wall of mounting groove to can prevent that the metal shrapnel 1 that the assembly was accomplished from droing from the mounting groove again, thereby promoted the stability of assembly.

The protruding spikes 131 may be provided in plurality; when a plurality of projecting spikes 131 are provided, these projecting spikes 131 can be provided only on the front or back of the riser 14, i.e. on the same side of the riser 14; or respectively arranged on both sides of the vertical plate 14, namely distributed on the front side and the back side of the vertical plate 14. If the protruding spikes 131 are all disposed on the same side of the riser 14, then the interference fit formed between the mounting portion 11 and the mounting slot is achieved by the protruding spikes 131 along with the riser 14; if the protruding spikes 131 are provided on both the front and back sides of the riser 14, the interference fit formed between the mounting portion 11 and the mounting groove is achieved by the protruding spikes 131 being provided on both sides, respectively.

In some embodiments, the protruding spikes 131 are formed to split in a direction from the riser 14 toward the tab portion 12. For the consistency of the product configuration of the metal dome 1 and to avoid the protruding spikes 131 from being damaged before assembly or to avoid the protruding spikes 131 from inadvertently sticking to the user, the protruding spikes 131 may be disposed in such a manner that they extend obliquely upward in a direction close to the dome portion 12. The protruding spikes 131 arranged in this way are equivalently located between the elastic sheet part 12 and the vertical plate 14, so that direct exposure of the protruding spikes 131 is avoided, structural integrity of the metal elastic sheet 1 can be effectively improved, the protruding spikes 131 are prevented from being scratched, and probability that the protruding spikes 131 prick a user is also reduced.

In addition, when the mounting part 11 is assembled with the mounting groove on the mounting ring 2, the vertical plate 14 and the protruding spikes 131 on the mounting part respectively abut against two opposite inner walls of the mounting groove to realize interference fit; correspondingly, if the protruding spikes 131 are arranged to be cracked from the vertical plate 14 to the elastic sheet part 12, the other side of the vertical plate 14 opposite to the protruding spikes 131 is used for being in contact connection with the inner wall of the mounting groove; during assembly, the extension direction of the elastic sheet part 12 is far away from the mounting ring 2, so that the elastic sheet part 12 can just cover the opening of the mounting groove.

In order to better cover the installation slot by the elastic sheet part 12, in some embodiments, the elastic sheet part may include a flat plate 121 and a sloping plate 122; one end of the flat plate 121 is connected to the top of the vertical plate, and the other end of the flat plate 121 is connected with the inclined plate 122; the inclined plate 122 extends downward from the end of the flat plate 121, and an acute angle is formed between the inclined plate 122 and the vertical plate. In the structure of the elastic sheet part, the flat plate 121 is positioned on the top surface, when the elastic sheet part is assembled, the flat plate 121 is positioned at the position just corresponding to the opening on the top surface of the mounting groove of the mounting ring, the flat plate 121 is covered on the opening, the integrity of the assembly between the metal elastic sheet and the mounting ring is improved, and dust falling can be prevented; the sloping plate 122 extends downward from the flat plate 121, and the sloping plate 122 forms an acute angle with the vertical plate, and the sloping plate 122 comes into contact with the ceiling.

In some embodiments, two of the projecting spikes 131 are located at the left and right end regions of the riser 14, respectively, corresponding to the side edges of the riser 14; as for the mounting part 11, the mounting is carried out on the edge of the riser 14 through the protruding spikes 131, so the mounting compactness is high, if the protruding part 13 comprises an even number, the protruding part 13 can be directly and symmetrically arranged on the edge of the riser 14, and the mounting stability can be ensured. If the projections 13 include an odd number, a part of the projections 13 may be provided on the edge of the riser 14. Moreover, the protruding spikes 131 are arranged at the end regions of the left side and the right side of the vertical plate, so that the processing difficulty of the protruding spikes 131 can be further reduced, the process efficiency is improved, and the production cost is reduced.

In some embodiments, at least one of the projecting spikes 131 can be located in a middle region of the riser 14. When there are a plurality of protruding spikes 131, the distribution of the protruding spikes 131 is set according to the installation stability and balance; for the installation stability, the protruding spikes 131 are preferentially distributed on the two side edge regions of the vertical plate 14, which can make the installation area of the installation part 11 between the installation grooves large; while other protruding spikes 131, if present, may be provided in the mid-region of the riser 14 to balance the installation.

Wherein the protruding spikes 131 disposed at the same height of the riser 14 extend in the same direction. In other words, the projecting spikes 131, which are arranged at the same height on the riser 14, extend in parallel, having the same shape and size. Installation department 11 can set up a plurality of outstanding spine 131 on the different height of riser 14 when installing, according to the height of riser 14, and the height of riser 14 is relevant with the degree of depth of mounting groove, and when inserting installation department 11 in the mounting groove, the outstanding spine 131 of co-altitude can be through corresponding extension angle, corresponding spine to the inner wall of corresponding height in the mounting groove, realize and the interference fit between the mounting groove.

In some embodiments, the bottom of the riser 14 is further provided with a pressing portion 15 bent toward the spring portion. The pressing part 15 extends obliquely upward from the bottom of the vertical plate 14. The projections 13 and risers 14 may be integrally formed from a single piece of sheet metal by a stamping process, the strength of the integrally formed component being higher than that of the component to which the separate parts are to be attached; namely, the strength of the metal elastic sheet 1 in the embodiment is higher; in order to further improve the installation strength, a pressing part 15 can be arranged at the bottom of the vertical plate 14, and the pressing part 15 extends obliquely upwards from the bottom of the vertical plate 14. This kind of setting mode can promote the joint strength of jut 13 and riser 14 through pressing portion 15, can promote the convenience of installation simultaneously, and the in-process of assembling the installation department through the mode of pressing and mounting groove, the wedge that forms between pressing portion 15 and the riser can play the effect of direction, can further promote the convenience of assembly.

In addition, the top of the pressing portion 15 may be provided with at least one assembling spike 151, the extending direction of the assembling spike 151 is consistent with that of the pressing portion 15, and after the assembling spike 151 is inserted into the installation slot, the assembling spike 151 is barbed to the inner wall of the installation slot. The top end of the extending structure of the pressing part 15 can also be provided with a plurality of assembling spikes 151, and the end positions of the assembling spikes 151 are similar to the end positions of the assembling spikes 151 arranged on the vertical plate 14; after the assembling spikes 151 are arranged, the assembling spikes 151 arranged on the pressing part 15 and the protruding spikes 131 arranged on the vertical plate 14 can be used for the interference fit of the mounting part 11 and the mounting groove; that is to say, except protruding spine 131, the assembly spine 151 that additionally sets up can further promote assembly strength between installation department and the mounting groove, and assembly spine 151 is also through the barb form to the inner wall of mounting groove, can further avoid metal shrapnel's installation department to break away from in the mounting groove, has promoted assembly stability greatly.

In some embodiments, the mounting portion and spring portion are integrally formed by a sheet metal stamping process and the protrusion is stamped and formed in the riser 14. The whole metal sheet is integrally formed between the mounting part and the elastic sheet part through a stamping process, so that the metal elastic sheet is high in overall strength and not easy to damage, the elastic performance of the elastic sheet part is good, and the elasticity of the elastic sheet part can be kept in a larger bending range; correspondingly, the protruding part is formed by stamping on the vertical plate 14, so that the structure between the protruding part and the vertical plate 14 can be fastened, and the assembly stability between the mounting part and the mounting groove is further ensured; and through stamping process integrated into one piece, required raw and other materials are few, and preparation simple process makes the embodiment of the utility model provides an in low production cost of metal shrapnel, easily use widely.

In some embodiments, the end of the striking plate portion 12, i.e., the end of the inclined plate 122, is provided with a first bent portion 123 and a second bent portion 124, the first bent portion 123 is connected to the end of the striking plate portion 12 and extends downward, in a direction closer to the mounting portion 11 than the striking plate portion 12; the second bent portion 124 is connected to an end of the first bent portion 123 and extends in a direction away from the mounting portion 11. Generally, when the ceiling lamp is installed, the longer the metal elastic sheet 1 is, the greater the elastic deformation thereof is, and in the case that the thickness of the metal elastic sheet 1 is consistent, the strength of the metal elastic sheet 1 decreases as the amount of the elastic deformation increases; in order to improve the strength of the metal dome 1 and also to facilitate the installation of the ceiling lamp, the length of the metal dome 1 may be reduced within an allowable range. In the embodiment of the present invention, a first bending portion 123 and a second bending portion 124 may be disposed at the end of the elastic sheet portion 12, wherein the first bending portion 123 extends downward in a manner closer to the mounting portion 11, and the second bending portion 124 extends away from the mounting portion 11 opposite to the first bending portion 122; when the ceiling is installed, the second bent portion 124 can be well abutted against the ceiling as a whole based on the extending direction of the second bent portion 124, and the contact area is large; the bending arrangement of the first bending portion 123 can reduce the length of the elastic piece portion 12 and improve the abutting strength.

The metal elastic sheet 1 provided by the embodiment is used for being matched and fixed with the mounting groove on the mounting ring; the metal elastic sheet 1 comprises a mounting part 11 and an elastic sheet part 12; the mounting portion 11 includes a riser 14, and a protrusion 13 provided on at least one side of the riser 14; the mounting part 11 is used for being inserted into the mounting groove and forms elastic interference fit with the mounting groove through the protruding part 13; the elastic sheet part 12 is connected to the top of the vertical plate 14 and forms an acute angle with the vertical plate 14, so that the installation can be realized by the interference fit formed between the installation part 11 of the metal elastic sheet 1 and the installation groove of the installation ring through the protruding part 13 arranged on the installation part 11 of the metal elastic sheet 1 and the direct pressing during the assembly, and the difficulty of the assembly is greatly reduced; the elastic sheet part 12 and the mounting part 11 form an acute included angle, and the ceiling lamp only needs to be directly inserted into a hole of a ceiling in the mounting process of the ceiling lamp, so that the operation complexity of an operator is reduced, and the use experience is improved; and the metal elastic sheet 1 has simple structure and easy production, thereby greatly reducing the production cost.

The utility model also provides a mounting ring 2, please refer to fig. 3, which is used for fixing the metal elastic sheet 1; the mounting ring 2 is provided with at least two mounting grooves 21, the mounting grooves 21 are used for accommodating the mounting portion 11 in the metal elastic sheet 1, and the mounting portions 11 and the protruding portions 13 on the mounting portion 11 form elastic interference fit.

The mounting ring 2 has at least two functions, wherein one function is used for assembling and fixing the metal elastic sheet 1, and the other function is used for fixing the lighting part; after the metal elastic sheet 1 and the lighting component are assembled and fixed, a ceiling lamp is formed, and the ceiling lamp can be fixed on a ceiling.

The mounting ring 2 and the metal elastic sheet 1 are fixed, that is, a mounting groove 21 is arranged on the mounting ring 2, and the mounting groove 21 is used for accommodating the mounting part 11 on the metal elastic sheet 1; the mounting part 11 comprises a vertical plate 14 and a protruding part 13, wherein the vertical plate 14 is placed in the mounting groove 21 along the direction of the mounting groove 21; and the protruding part 13 extrudes the inner wall of the mounting groove 21 to form elastic interference fit with the inner wall of the mounting groove 21, thereby realizing the fixation between the mounting ring 2 and the metal elastic sheet 1.

The installation grooves 21 arranged on the installation ring 2 can include a plurality of installation grooves 21, and corresponding metal elastic sheets are correspondingly arranged in each installation groove 21 under the condition that the installation grooves 21 are arranged; generally, at least two mounting grooves 21 are arranged on the mounting ring 2 in a generally symmetrical manner; when three or more are provided, the positions of the mounting grooves 21 may be axisymmetrical along the diameter of the mounting ring 2 or centrosymmetric along the center of the mounting ring 2.

In some embodiments, when the protruding portion 13 is the protruding spike 131, after the mounting portion 11 of the metal dome 1 is inserted into the mounting groove 21, the protruding spike 131 is barbed to the inner wall of the mounting groove 21. When the protruding part is the protruding spike 131, the sharp part of the protruding spike 131 may stick to the inner wall of the mounting groove 21 after the mounting part 11 is inserted into the mounting groove 21; the extension direction of the protruding spike 131 is upward, and the installation part insertion installation groove 21 is downward, so that the protruding spike 131 takes the shape of a barb and stabs toward the installation groove 21, thereby realizing interference fit with the inner wall of the installation groove 21.

The embodiment of the present invention further provides a ceiling lamp, please refer to fig. 4-5, which includes the mounting ring 2 and the metal dome 1 in the embodiment of the present invention, and each mounting groove 31 on the mounting ring 2 corresponds to the mounting portion 11 inserted into one metal dome 1. At least two mounting grooves 21 are arranged on the mounting ring 2 of the ceiling lamp, the number of the mounting grooves 21 is matched with the number of the metal elastic sheets 1, in the mounting state, the mounting portion 11 in the metal elastic sheets 1 is inserted into the mounting grooves 21, and the inner side wall of the mounting groove 21 is extruded by the protruding portion 13 on the mounting portion 11, so that elastic interference fit is formed between the mounting grooves and the mounting portion, and further, the metal elastic sheets 1 and the mounting grooves 21 are fixedly connected.

The foregoing is a more detailed description of embodiments of the present invention, and the specific embodiments are not to be considered in a limiting sense. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (12)

1. A metal shrapnel is used for being matched and fixed with a mounting groove on a mounting ring; the metal elastic sheet is characterized by comprising an installation part and an elastic sheet part; the mounting part comprises a vertical plate and a protruding part arranged on at least one side of the vertical plate; the mounting part is inserted into the mounting groove and forms elastic interference fit with the mounting groove through the protruding part; the elastic sheet part is connected to the top of the vertical plate and forms an acute angle with the vertical plate.

2. The metal dome of claim 1, wherein the protrusion includes at least two protruding spikes formed by riser cracks, the spikes of the protruding spikes facing the top of the riser; after the installation groove is inserted, the protruding spine is in a barb shape and is towards the inner wall of the installation groove.

3. The metal clip of claim 2, wherein said protruding spikes are formed to split in a direction from said riser toward said clip portion.

4. The metal dome of claim 3, wherein the dome portion comprises a flat plate and a sloping plate; one end of the flat plate is connected to the top of the vertical plate, and the other end of the flat plate is connected with the inclined plate; the inclined plate extends downwards from the end part of the flat plate, and an acute angle included angle is formed between the inclined plate and the vertical plate.

5. The metal clip of any one of claims 2-4, wherein two of said projecting spikes are located in respective left and right end regions of said riser.

6. The metal dome of claim 5, wherein at least one of the protruding spikes is located in a middle region of the riser.

7. The metal dome according to any one of claims 1-4, wherein the bottom of the riser is further provided with a pressing portion bent toward the dome portion.

8. The metal dome as claimed in claim 7, wherein the top of the pressing portion has at least one assembling spike, the extending direction of the assembling spike is the same as the pressing portion, and after the assembling spike is inserted into the mounting groove, the assembling spike is barbed to the inner wall of the mounting groove.

9. The metal clip of any one of claims 1-4, wherein the mounting portion and the clip portion are integrally formed by a sheet metal stamping process, and the protrusion is stamped and formed on the riser.

10. The utility model provides a mounting ring for fixed metal shrapnel, its characterized in that, the mounting ring sets up two at least mounting grooves, the mounting groove is used for holding installation department among the metal shrapnel, and pass through protruding portion on the installation department, with the installation department forms elasticity interference fit.

11. The mounting ring of claim 10, wherein when the protrusion is a protruding spike, the protruding spike is barbed to an inner wall of the mounting groove after the mounting portion of the metal dome is inserted into the mounting groove.

12. A ceiling lamp, characterized in that, comprising the mounting ring of claim 10 or 11 and the metal elastic sheet of any one of claims 1 to 9, each mounting groove on the mounting ring is inserted into a mounting portion of one metal elastic sheet.

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