WO2014048395A1

WO2014048395A1 - Engaging module and ceiling light having engaging module

Info

Publication number: WO2014048395A1
Application number: PCT/CN2013/084633
Authority: WO
Inventors: 陈明允
Original assignee: 东莞巨扬电器有限公司
Priority date: 2012-09-29
Filing date: 2013-09-29
Publication date: 2014-04-03
Also published as: CN203190324U

Abstract

An engaging module (19 and 51) and a ceiling light (1, 5, and 6) having the engaging module (19 and 51). The engaging module (19 and 51) is arranged at a transparent lampshade (10, 30, 40, and 50) of the ceiling light (1, 5, and 6) by using a plastic engaging unit (192, 510, and 29), and assembles a back panel (12, 32, 48, 52, and 62) of the ceiling light (1, 5, and 6) with the plastic engaging unit (192, 510, and 29) by using a fixing element (192 and 294). When the back panel (12, 32, 48, 52, and 62) and the transparent lampshade (10, 30, 40, and 50) of the ceiling light (1, 5, and 6) are arranged together, the plastic engaging unit (192, 510, and 29) is arranged between the back panel (12, 32, 48, 52, and 62) and the lampshade (10, 30, 40, and 50) and is not exposed outside of the ceiling light (1, 5, and 6). Such structure can serve as a removable engaging structure and a non-removable structure on the basis of need.

Description

Clamping module and ceiling lamp with clamping module

The invention relates to the technical field of the card design of the ceiling lamp, and more particularly to the technical field of the card design of the translucent lamp cover and the back plate of the ceiling lamp. Dragon

Ceiling lights are a type of lighting device that is widely used in modern lighting. Most of today's ceiling lamps use a light-emitting diode as a light source. The light-emitting diodes are disposed on the lamp board and then fixed to the back plate of the ceiling lamp, and then the back plate and the light-transmitting lamp cover are assembled.

Chinese Patent Publication No. 201284966 discloses a double-layer light-emitting ceiling lamp comprising a base, a sealing ring, a light-transmitting member, a lamp cover and an anti-disc, wherein a spiral-shaped convex edge is arranged on the light-transmitting member, and the convex edge can be combined with The bosses on the base cooperate with each other to assemble the light transmitting member and the base.

However, for the end user, the above assembly method can be easily disassembled. In today's era of consumer protection, manufacturers must ensure the quality of their products while taking care of their own responsibilities and product protection. In this way, there is room for improvement in the design of anyone who can disassemble. Summary of the invention

One of the objects of the present invention is to provide a snap module and a ceiling lamp having a snap module. The effect of the assembly.

Another object of the present invention is to provide a snap module and a ceiling lamp having a snap module, which can be prevented from being improperly exposed by the snap unit after the back panel and the light-transmitting lamp cover are not exposed. Disassemble by yourself.

In order to achieve the above object, the technical solution provided by the present invention is to provide a snap module for a back cover of a ceiling lamp and a light-transmitting lamp cover. The snap-fit module includes at least one plastic snap-in unit and a fixing component. The plastic engaging unit is assembled to the transparent lamp cover, the fixing member assembles the back plate and the plastic engaging unit, and when the back plate is assembled with the transparent lamp cover, the plastic engaging unit is located on the back plate The light-transmitting lamp covers are not exposed to the outside of the ceiling lamp.

Preferably, the plastic engaging unit comprises a body, and a groove having at least one buckle is disposed on the body. An edge and a through hole are disposed on the body, wherein the buckle is combined with an opening edge of the transparent lampshade, the fixing member passes through the back plate and is received in the through hole; or the plastic engaging unit comprises a group A flat portion of the light-transmitting lamp cover is disposed on the flat plate portion, and the fixing member is engaged with a slot in the back plate and movable relative to the back plate, and is fixed by moving The piece causes the flat portion to interfere with the light transmissive cover.

Preferably, when the engaging module includes a plurality of the plastic engaging units and the plurality of fixing members, each of the plastic engaging units includes a body, and an edge disposed on an edge of the body and having at least one buckle. a groove, a through hole on the body, and a convex portion and a guiding groove respectively on one side of the body, and any of the plastic engaging units and the guiding groove respectively adjacent to the two plastics The engaging units are connected, and each of the buckles is combined with an opening edge of the transparent lampshade, and any one of the fixing members passes through the backing plate and is received in any of the through holes; or each of the plastics is engaged The unit includes a flat portion that is assembled with the light-transmitting lamp cover, and a part of the fixing member is assembled on the flat plate portion, and the fixing members are engaged with the plurality of slots on the back plate. The plate can be moved relative to the back plate, and the flat portions are interfered with the light-transmitting lamp cover by moving the fixing members.

Preferably, the fixing member is a metal rivet or a plastic rivet.

Preferably, the engaging module further includes an anti-foreign structure, the anti-foreign structure comprising: a tube having a hollow tube contacting the transparent lamp cover and the back plate; and being disposed in the hollow tube A support body comprising a metal wire or an alloy wire.

The present invention further provides a snap-on module for applying a back cover and a light-transmitting lamp cover, the snap-fit module comprising: at least one plastic snap-in unit, comprising a body having at least one buckle a groove is disposed on an edge of the body and a through hole is disposed on the body, wherein the buckle is combined with an opening edge of the transparent lamp cover; and a fixing member is disposed through the back plate and received in the groove The perforation is assembled to assemble the back plate and the plastic engaging unit.

The present invention also provides a snap module for assembling a back panel of a ceiling light and a light transmissive cover. The snap module includes: at least one plastic snap unit including a flat panel assembled with the light transmissive cover And a fixing member fixed to the flat portion, the fixing member is engaged with a slot in the back plate and movable relative to the back plate, and the plate is shaped by moving the fixing member Partial interference with the light transmissive lampshade.

The present invention further provides a snap module for applying a back panel of a ceiling light and a light transmissive cover, the snap module comprising: a plurality of plastic snap units, each of the plastic snap units comprising a body a recess having at least one buckle disposed on an edge of the body, a through hole on the body, and a protrusion and a guide groove respectively located on one side of the body, and any of the plastic engaging units The convex portion and the guiding groove are respectively connected to two adjacent plastic engaging units, and each of the buckle assemblies is combined with an opening edge of the transparent lamp cover; And a plurality of fixing members, wherein the fixing member passes through the back plate and is received in any of the through holes.

The present invention further provides a snap module for assembling a back panel of a ceiling light and a light-transmitting lamp cover, the snap-fit module comprising: a plurality of plastic snap units, each of the plastic snap units comprising the assembly a flat portion of the light-transmitting cover; and a plurality of fixing members, wherein the fixing members assemble any one of the flat portions on the back plate, and the fixing members are engaged with the plurality of slots in the back plate The plate can be moved relative to the back plate, and the flat portions are interfered with the light-transmitting lamp cover by moving the fixing members.

The present invention also provides a ceiling lamp comprising the above-mentioned various snap modules, comprising a backplane module of the backplane and the transparent light cover, wherein the backplane module further comprises at least one light panel module and an assembly means, Disassembling the back plate and the lamp panel module, and assembling the lamp panel module on the back panel and facing the light transmissive lamp cover, the assembling means comprising a first portion exposed to the outside of the ceiling lamp, and protruding from a second portion of the light panel module.

Preferably, the assembling means comprises a plurality of riveting units, and the riveting unit is integrally formed and has a π-shape, and the riveting unit comprises a connecting portion, at least two through portions, and two corresponding portions. The two protruding portions of the insertion portion, wherein the one of the through portions is connected to the corresponding protruding portion and the connecting portion, and the two through portions are disposed on a surface of the connecting portion.

Preferably, the backplane module further includes at least one light-expanding cover stacked on the light-emitting panel module having a plurality of light-emitting diodes fixed thereon; wherein the light-emitting cover is corresponding to and covered by the light-emitting cover Above the light emitting diodes, the through portions pass through the back plate, the light board module and the light diffusing cover to expose the protruding portions to the light diffusing cover; or the light board module includes a plurality of a light board, any one of the light boards includes a bottom plate and the bottom plate has a plurality of light emitting diodes fixed thereto, one of the riveting units corresponding to the two bottom plates adjacent to each other, and the two protruding portions of the corresponding riveting unit And the light board module includes a plurality of light boards, and the light board comprises a bottom board, and the back board and the bottom board comprise a plurality of perforations corresponding to and accommodate the through holes. unit.

Preferably, the light panel module comprises a plurality of light panels, and the light panel comprises a bottom plate and a plurality of light emitting diode patches on the bottom plate, wherein the light emitting diode patches have a length and a width. The arrangement of the appearance is disposed on the bottom plate, and the length is greater than the width, and the bottom plates cover a portion of the back plate facing a surface of the transparent lamp cover.

Preferably, the length has a plurality of the LED patches, and the width has a plurality of the LED patches, wherein the Μ and Ν are integers, respectively, and Μ is greater than Ν.

Preferably, the light panels are arranged such that a plurality of concentric closed loops are disposed on a surface of the backboard, wherein The light plates in a concentric closed ring are adjacent or spaced apart by a gap.

Preferably, the ceiling lamp further includes an anti-foreign structure, the anti-foreign structure comprising: a tube having a hollow tube contacting the transparent lamp cover and the back plate; and a hole penetrating the hollow tube a support body comprising a metal wire or an alloy wire.

The present invention further provides a snap module for assembling a back panel and a light-transmitting lamp cover, the snap-fit module comprising: a plurality of plastic snap-fit units, each of the plastic snap-fit units including a body, a plurality of fastening means formed on an edge of the body, a through hole on the body, and a convex portion and a guiding groove respectively located at opposite ends of the body; wherein, any of the plastic engaging units The protruding portion is connected to the guiding groove of the adjacent plastic engaging unit, and the fastening means is configured to assemble an opening edge of the transparent lamp cover; and a plurality of fixing members, and the fixing member passes through the back The plate is housed in any of the perforations.

Preferably, the convex portion of any of the plastic engaging units has a positioning hole, and the guiding groove of any of the plastic engaging units has a positioning post; wherein the convex portion of any of the plastic engaging units When the portion is connected to the guiding groove of the adjacent plastic engaging unit, the positioning post is adapted to penetrate the positioning hole.

Preferably, a plurality of abutting means are formed on one side of the convex portion of the plastic engaging unit, and the convex portion of any of the plastic engaging units is connected to the adjacent plastic engaging unit. When the guide groove is formed, the abutting means abuts against the guide groove.

Preferably, the guide groove has an inner circumference and a cantilever, the inner circumference defines a hollow portion, and the cantilever extends from the inner circumference and is received in the hollow portion; wherein the cantilever is formed with the positioning post.

Preferably, the fastening means includes a plurality of upper fastening pieces and a plurality of lower fastening pieces, the upper fastening pieces are spaced apart from an upper side of the body edge, and the lower fastening pieces are spaced apart from the edge of the body. On the lower side, and the upper buckles and the lower buckles are arranged alternately with each other.

Preferably, the body has a plurality of reinforcing ribs extending inwardly from the edge.

The present invention also provides a snap module for a back cover of a ceiling light and a light transmissive cover. The snap module includes: a plastic snap unit including a body formed on an edge of the body a plurality of fastening means and an assembly means on the body, wherein the fastening means assembles an opening edge of the transparent lamp cover; and a fixing member penetrating the back plate and being received in the through hole To fix the plastic snap unit on the backboard.

Preferably, the fastening means includes a plurality of upper fastening pieces and a plurality of lower fastening pieces, the upper fastening pieces are spaced apart from an upper side of the body edge, and the lower fastening pieces are spaced apart from the edge of the body. On the lower side, and the upper buckles and the lower buckles are arranged offset from each other. The present invention also provides a ceiling lamp comprising the above-mentioned various snap modules, comprising a backplane module of the backplane and the transparent light cover, wherein the backplane module further comprises at least one light panel module and an assembly means, Disassembling the back plate and the lamp panel module, and assembling the lamp panel module on the back panel and facing the light transmissive lamp cover, the assembling means comprising a first portion exposed to the outside of the ceiling lamp, and protruding from a second portion of the light panel module.

The present invention also provides a snap module for a back panel of a ceiling light and a light transmissive cover. The snap module includes: a plurality of plastic snap units, each of the plastic snap units including a body and a separate a convex portion and a guiding groove at opposite ends of the body; wherein the protruding portion has a first engaging means, the guiding groove has a second engaging means, and the first engaging means is engaged with the second engaging Means, any one of the plastic engaging units is adapted to be coupled to the second engaging means of the guiding groove of the adjacent plastic engaging unit by the first engaging means of the convex portion; and a plurality of fixing members, The fixing members are disposed on the backboard and the body to fix the plastic engaging units to the backboard.

Preferably, the first engaging means is a positioning hole, and the second engaging means is a positioning post; wherein the convex portion of any of the plastic engaging units is connected to the adjacent plastic engaging unit When the guide groove is formed, the positioning post is adapted to penetrate the positioning hole.

Preferably, the plastic engaging units further comprise a plurality of fastening means, the fastening means are formed on an edge of the body, and the light-transmitting light cover is assembled to the fastening means; The fastening means includes a plurality of upper fastening pieces and a plurality of lower fastening pieces, the upper fastening pieces are spaced apart from an upper side of the body edge, and the lower fastening pieces are spaced apart from the lower side of the body edge, and the lower fastening pieces are spaced apart from each other The upper buckle and the lower buckles are arranged alternately with each other.

The invention utilizes the engaging unit to engage the back plate and the transparent lamp cover, thereby achieving the effect of simplifying the assembly of the ceiling lamp, and the engaging unit is not exposed to the outside after being engaged with the back plate and the transparent lamp cover, thereby avoiding The user disassembled it by himself.

In order to further understand the techniques, means and effects of the present invention in order to achieve the intended purpose, refer to the following detailed description of the invention and the accompanying drawings. The object, feature or feature of the present invention The invention is to be understood as being limited and not limited by the scope of the invention. DRAWINGS

1 is a top plan view showing the appearance of a ceiling lamp according to a first embodiment of the present invention.

2 is a bottom exploded view of a ceiling light according to a first embodiment of the present invention.

Fig. 3 is a partially exploded side elevational view showing the light transmissive lamp cover, the snap module and the back plate of the ceiling lamp of the first embodiment of the present invention.

4 is a bottom perspective view of the engaging module of the ceiling light according to the first embodiment of the present invention.

FIG. 5 is a top perspective view of the engaging module of the ceiling lamp according to the first embodiment of the present invention.

Figure 6 is a side elevational view showing the combination of a ceiling light according to a first embodiment of the present invention.

Fig. 7 is a partially exploded side elevational view showing a light-transmitting lamp cover, a snap-fit module, and a back plate of a ceiling lamp according to a second embodiment of the present invention.

FIG. 8 is a perspective view of a single snap module of a ceiling light according to a second embodiment of the present invention.

Fig. 9 is a perspective view showing a state in which a plurality of engaging modules of a ceiling lamp according to a second embodiment of the present invention are assembled to each other.

FIG. 10 is a bottom plan view showing the assembly of the back plate and the engaging structure of the ceiling lamp according to a third embodiment of the present invention. Fig. 11 is a plan view showing the assembly of the back plate and the engaging structure of the ceiling lamp according to a third embodiment of the present invention, respectively.

Figure 12 is a perspective view showing a side view of a portion of a ceiling light according to a fourth embodiment of the present invention.

Figure 13 is a side elevational view showing the structure of the foreign matter prevention of the ceiling lamp according to a fourth embodiment of the present invention.

Figure 14 is a bottom plan view of an embodiment of a backplane of the present invention.

Figure 15 is a bottom plan view of an embodiment of a partial light panel of the present invention.

Fig. 16 is a bottom exploded perspective view showing a lamp panel module portion, a light-emitting unit portion, and an assembly means portion according to an embodiment of the present invention.

Figure 17 is a partial schematic view showing a portion of a lamp panel module, a light-emitting unit portion, and an assembly means portion according to an embodiment of the present invention.

Figure 18 is a bottom plan exploded view of a backplane embodiment of the present invention.

Fig. 19 is a top plan view showing the appearance of a ceiling lamp according to a fifth embodiment of the present invention.

Figure 20 is a partially assembled schematic view of a lamp panel module of a ceiling lamp according to a fifth embodiment of the present invention. detailed description

The lamp panel hereinafter referred to in the present invention comprises a bottom plate and a plurality of light emitting diodes fixed to a surface of the bottom plate, wherein the size and shape of the bottom plate are not limited, for example, elongated. Secondly, the unequal number of light panels are disposed on the back panel of the ceiling light, and the light panels can also be arranged on the back panel in a specific manner, such as continuous arrangement, partial continuous arrangement or spacing arrangement, and the like. Furthermore, the circuit or electronic component that matches the light panel can be placed on the backplane, between the backplane or on the backplane outside the backplane. Next, the light panel is affixed to the back panel of the ceiling lamp by the assembly means of the present invention. However, it should be noted that, for some requirements, such as the case where the lamp board is first disposed on the back plate by using conductive adhesive or other adhesive manner, the assembly means of the present invention can be used as a fixing means, and the light board is limited to the The function of the backplane is still to stack the light panel and other structures, such as a diffuser, with the light panel.

The light-expanding unit of the present invention includes a plurality of diffuser covers, and the size and number of the diffuser are determined according to the light board, that is, the light-emitting cover is matched with the light-emitting diode of the light board, for example, a light-emitting cover matches a light board. Multiple LEDs on the top. Secondly, through the assembly means, the diffuser can be simultaneously attached to the back panel of the ceiling lamp with the light board. Optionally, a plurality of light panels can be matched through a single diffuser of a larger area; in this case, the diffuser and the light board can still be clamped to the back panel of the ceiling lamp through the assembly means. Alternatively, a light-enhancing structure may be provided at other locations than on the back panel, such as forming a light-expandable structure directly on the light-transmitting cover.

The assembly means or fastening means as hereinafter referred to in the present invention may include a plurality of riveting units, each riveting unit may simultaneously fix two light plates adjacent to each other on the back plate, or simultaneously fix a light plate and A diffuser is on the backplane, or only a light panel is stuck on the backplane, or a combination of the above.

1 is a top plan view showing the appearance of a ceiling lamp according to a first embodiment of the present invention. Referring to FIG. 1, the ceiling lamp 1 includes a light-transmitting lamp cover 10, a back-plate module is assembled with each other, and an opening 123 is disposed in a central area of the light-transmitting lamp cover 10 and the back-plate module, wherein the back-plate module includes a first surface 121. A backing plate 12 that is exposed to the outside. The backplane module further includes an assembly means 14. The first portion of the assembly means 14 is exposed to the first side 121 of the backing plate 12. In the first embodiment, the first portion of the assembly means 14 includes a plurality of connecting portions 1424 distributed over the first face 121.

2 is a bottom exploded view of a ceiling light according to a first embodiment of the present invention. The backing plate 12 has a second side 125 opposite the first side 121 that faces the light transmissive cover 10 after assembly. The backplane module further includes a light panel module and a light-emitting unit 18 disposed on the second surface 125 of the backboard 12 and composed of a plurality of light panels 16. The ceiling lamp 1 further includes a snap module 19 for assembling the light transmissive cover 10 and the back panel module.

In the first embodiment, each of the light boards 16 includes a bottom plate 162 and a plurality of fixed bottom plates 162. Light-emitting diodes (not shown), each of the bottom plates 162 and the light-emitting diodes fixed thereto can be regarded as a light board. The bottom plates 162 can be arranged on the second surface 125 of the back plate 12 in a specific manner, for example, two concentric rings of different sizes are arranged around the opening 123. Further, each of the concentric rings may be formed by abutting the bottom plates 162 of similar lengths, and the lengths of the bottom plates 162 constituting the different concentric rings may be the same or different. Moreover, the number and arrangement of the light-emitting diodes fixed on each of the bottom plates 162 may be the same or different.

3 is a partially exploded side view showing a light-transmitting lamp cover, a snap-fit module, and a back plate of a ceiling lamp according to a first embodiment of the present invention, and FIG. 4 is a view showing a snap-fit module of a ceiling lamp according to a first embodiment of the present invention; FIG. 5 is a top perspective view of the engagement module of the ceiling lamp according to the first embodiment of the present invention. Referring to FIG. 3, FIG. 4 and FIG. 5 at the same time, the side of the light-transmitting lamp cover 10 facing the back plate 12 has an opening 101 and a flange 102 defining the edge of the opening 101. The engaging module includes at least one plastic engaging unit 192 and a fixing member 194. The plastic engaging unit 192 is used for assembling the transparent cover 10, and the fixing member 194 is used for assembling the backing plate 12 and the plastic engaging unit 192. The fixing member 194 is a metal rivet or a plastic rivet.

The plastic engaging unit 192 includes a body 1922, and a recess 1923 having at least one latch 1924 disposed on an edge of the body 1922 and a through hole 1925 on the body 1922. Next, the buckle 1924 is assembled with a flange 102 at the edge of an opening 101 of the translucent cover 10, and the fixing member 194 is passed through the back plate 12 and received in the through hole 1925. When the backing plate 12 is assembled with the light-transmitting lampshade 10, the plastic engaging unit 192 is located between the backing plate 12 and the light-transmitting lampshade 10 without being exposed to the ceiling lamp 1 . In the first embodiment, the portion of the plastic body 192 including the side edge 1926 is received in the opening 101 of the light-transmitting cover 10, and the side edge 1928 is located at the opening of the light-transmitting cover 10. 101.

Moreover, the engaging module includes a plurality of plastic engaging units 192 and a plurality of fixing members 194. Each of the plastic engaging units 192 further includes a convex portion 1927 and a guiding groove 1929 respectively on the side of the main body 1922. The plastic engaging unit 192 is connected to the adjacent two plastic engaging units 192 by the convex portion 1927 and the guiding groove 1929 thereof.

According to the above, referring to FIG. 1 to FIG. 5, the plastic engaging unit 192 is respectively connected to the adjacent two plastic engaging units 192 by the respective convex portions 1927 and the guiding grooves 1929, and the combinedly connected plastic engaging units 192 are placed on The second side 125 of the backing plate 12, the fixing member 194 is passed through the backing plate 12 by the first face 121 having the backing plate 12, and is received in the through hole 1925 of any of the plastic engaging units 192. Then, the transparent lamp cover 10 is assembled with the plastic engaging unit 192 of the engaging module fixed on the back plate 12, and the opening 101 of the transparent lamp cover 10 is assembled through the buckle 1924 of the plastic engaging unit 192. Therefore, the assembled plastic engaging unit 192 can be hidden in the space between the backboard 12 and the transparent lampshade 10, as shown in FIG. 6, so that the ceiling lamp can be beautified. The entire look. Therefore, in such an assembled structure, only a portion of the fixing member 194 is exposed on the first face 121 of the backing plate 12. Once the assembly is completed, if the translucent cover 10 and the back plate 12 are to be disassembled into two parts, the disengagement module is not broken and the disassembly cannot be completed. Therefore, such a snap module can prevent the ceiling lamp from being arbitrarily disassembled by the user, thereby facilitating the manufacturer or seller to solve the problem of the ceiling lamp having a problem.

7 is a partially exploded side view showing a light-transmitting lamp cover, a snap-fit module, and a back plate of a ceiling lamp according to a second embodiment of the present invention; FIG. 8 is a single engagement module of a ceiling lamp according to a second embodiment of the present invention; FIG. 9 is a perspective view showing a plurality of engaging modules of a ceiling lamp according to a second embodiment of the present invention when assembled with each other, and referring to FIG. 7 to FIG.

The ceiling lamp 5 includes a light-transmitting lamp cover 50, a snap-in module 51 and a back plate 52, and the snap-in module 51 is disposed between the light-transmitting lamp cover 50 and the back plate 52 to assemble the light-transmitting lamp cover 50 and the back plate. 52.

In detail, the engaging module 51 includes a plurality of plastic engaging units 510, and each of the plastic engaging units 510 includes a body 510a, a plurality of fastening means 510b formed on an edge of the body 510a, and a body 510a. A through hole 510c and a convex portion 510d and a guide groove 510e respectively located at opposite ends of the body 510a. Wherein, the plurality of fixing members (which will be described in detail later) are simultaneously passed through the back plate 52 and the plurality of through holes 510c of the engaging module 51 to fix the engaging module 51 to the backing plate 52. Specifically, it is necessary to use a plurality of fixing members and a plurality of corresponding perforations 510c for assembly, which is one of various assembling means, and is not limited thereto.

Further, the convex portion 510d of any of the plastic engaging units 510 is connected to the guiding groove 510e of the adjacent plastic engaging unit 510, so that the plurality of plastic engaging units 510 are connected to each other in front and rear and together become a ring shape, and The convex portion 510d of a plastic engaging unit 510 has a positioning hole 510f, and the guiding groove 510e of any plastic engaging unit 510 has a positioning post 510g; wherein the convex portion 510d of any plastic engaging unit 510 is connected to When the guiding groove 510e of the adjacent plastic engaging unit 510 is disposed, the positioning post 510g is adapted to penetrate the positioning hole 510f to assist in positioning.

Of course, it can be changed that the convex portion 510d has a first engaging means, the guiding groove 510e has a second engaging means, and the first engaging means is engaged with the second engaging means; wherein the first engaging means and The second joining means may be a corresponding joint structure, so that any of the plastic engaging units 510 may be configured such that the convex portions 510d thereof are assembled to the guiding grooves 510e of the adjacent plastic engaging units 510.

Then, a plurality of abutting means 510h are formed on one side of the convex portion 510d of any of the plastic engaging units 510, and the convex portion 510d of any of the plastic engaging units 510 is connected to the adjacent plastic engaging unit 510. In the case of the guide groove 510e, the abutting means 510h abuts against the guide groove 510e. In this way, any two adjacent plastic snaps The snap between the 510 is tighter and not easy to loosen.

Moreover, the body 510a of each plastic engaging unit 510 has a plurality of reinforcing ribs 510k extending inwardly from the edge; wherein any two adjacent reinforcing ribs 510k are spaced apart by a predetermined distance. Thereby, it is provided to strengthen the structural strength and the tolerance of the force of the plastic engaging unit 510 as a whole.

In addition, the guiding groove 510e has an inner circumference and a cantilever 510i extending from the inner circumference; wherein the inner circumference defines a hollow portion 510j for receiving the cantilever 510i; wherein the positioning post 510g is formed on the cantilever 510i on. It should be noted that when a positioning post 510g of a plastic engaging unit 510 penetrates into the positioning hole 510f of the adjacent another plastic engaging unit 510, the cantilever 510i can be applied from the adjacent plastic engaging unit 510. The force made a little deformation. With this arrangement, if a plurality of plastic engaging units 510 are disposed on an uneven backing plate, a slight difference in height between adjacent plastic engaging units 510 can be tolerated.

On the other hand, the fastening means 510b includes a plurality of upper fastening pieces 5100 and a plurality of lower fastening pieces 5101. The plurality of upper fastening pieces 5100 are spaced apart from an upper side of the edge of the body 510a, and the plurality of lower fastening pieces 5101 are spaced apart from the body. The lower side of the edge of the 510a, and the plurality of upper fastening pieces 5100 and the plurality of lower fastening pieces 5101 are alternately arranged. Thereby, the light-transmitting lamp cover 50 is adapted to be disposed at an edge of the body 510a and between the plurality of upper fastening pieces 5100 and the plurality of lower fastening pieces 5101.

It should be noted that the above-mentioned engaging module 51 includes a plurality of plastic engaging units 510 for convenience of description. It is well known in the art that the above-mentioned engaging module 51 can be integrally formed. This does not limit the number of plastic engagement units 510.

The above-mentioned plastic ceiling unit makes the assembled ceiling lamp non-detachable, but the present invention is not limited thereto, and the assembled ceiling lamp can also be made detachable. 10 and FIG. 11 are respectively a bottom view and a top plan view showing the assembly of the back plate and the engaging structure of the ceiling lamp according to a third embodiment of the present invention. The second surface 325 of the backplane 32 is provided with a light board module 36 (only one of which has a light emitting diode shown in FIG. 10) and a snap module, wherein the snap module includes at least one plastic snap unit 29 and a fixing member 294. In the third embodiment, any of the plastic engaging units 29 (only one of which is shown in FIG. 10) includes a flat portion 291 in which a light-transmitting cover is assembled, and the fixing member 294 is fixed to the flat portion 291, and A portion of the fixing member 294 protrudes from the flat portion 291. Next, the fixing member 294 is inserted into a through slot 323 of the backboard 32, a portion of which protrudes from the first surface 321 of the backing plate 32 and is movable relative to the backing plate 32. When the transparent cover 30 is assembled with the back plate, the fixing member 294 can be moved from one end of the through slot 323 to the edge of the back plate 32, and the flat portion 291 of the plastic engaging unit 29 can be open to the opening of the transparent cover. The edge interferes to fix the light-transmitting cover 30. After the assembly is completed, the plastic engaging unit 29 is still hidden in the space between the back plate 32 and the light-transmitting cover 30. If you want to open it When the lamp cover 30 and the back plate 32 are transparent, the light-transmitting lamp cover 30 and the back plate 32 can be removed as long as the fixing member 294 is moved from one end of the slot 323 to the edge farther from the back plate 32.

Figure 12 is a perspective view showing a side view of a portion of a ceiling light according to a fourth embodiment of the present invention. Figure 13 is a side elevational view showing the structure of the foreign matter prevention of the ceiling lamp according to a fourth embodiment of the present invention. Referring to FIG. 12 and FIG. 13 simultaneously, the foreign matter structure 103 may be disposed on the flange 402 of the transparent lamp cover 40, and then the back plate 48 may be assembled. Thus, the foreign body structure 103 is located at the flange 482 of the back plate 48 and Between the flanges 402 of the light cover 40. In the fourth embodiment, the foreign material prevention structure 103 includes a tube body 1032 having a hollow tube 1033 contacting the light-transmitting lamp cover 40 and the back plate 48; and a support body 1034 penetrating the hollow tube 1033, the support body 1034 includes a metal wire or an alloy wire.

Figure 14 is a bottom plan view of a bottom plate embodiment of the present invention, and Figure 15 is a bottom plan view of a portion of the light plate of the present invention. For convenience of description, the bottom plate of the present invention is illustrated by different component symbols in FIG. 14 and FIG. 15, and different bottom plate designs are determined according to the arrangement and assembly of the light plate on the back plate, but in a specific arrangement, the bottom plate is also Can be the same design, or a part of the bottom plate is the same design.

Referring to FIG. 14 and FIG. 15, the two bottom plates 162' and the bottom plate 162" have the same isosceles trapezoid so as to be arranged in a closed polygonal ring, wherein the bottom plate 162' and the bottom plate 162" are adjacent or spaced apart by a gap. An electronic component 1624 or circuit can be disposed adjacent or at intervals. Next, a plurality of through holes 1623' and perforations 1623" are respectively disposed on the bottom plate 162' and the bottom plate 162", wherein the positions of the through holes 1623' and the through holes 1623" correspond to the assembling means 14, and in this embodiment, the through holes 1623' are spaced apart from each other. Near the longer base of the bottom plate 162', the perforations 1623" are disposed near the shorter bottom edge of the bottom plate 162", so that the assembly means 14 can be passed through the bottom plate 162, the perforations 1623' and the bottom plate 162" The perforations 1623" and a second portion of the assembly means 14 will protrude from the bottom plate 162' and the bottom plate 162" such that the bottom plate 162' and the bottom plate 162" are more securely secured to the second side 125 of the backing plate 12.

Secondly, the light board including the bottom plate 162' and the bottom plate 162" is arranged in a relatively adjacent central area to form a closed polygonal ring having a smaller radius, and the light board including the bottom plate 163 is arranged in a closed polygonal ring which is farther away from the central area to form a larger radius. Also, a plurality of LED patches 17 are located on the bottom plate 162', the bottom plate 162" or the bottom plate 163. For each of the backplanes, the LED patch 17 is disposed on the substrate in an arrangement having an appearance of a length L and a width W, wherein the length L is greater than the width \¥. For the bottom plate 162' or the bottom plate 162", there are M light-emitting diode patches 17, for example, 7 on the length L, and N light-emitting diode patches 17, for example, one in width, wherein M and N are respectively Integer, M is greater than N. It should be noted that for the bottom plate 163 of the closed polygon of the larger radius, there are 11 LED patches 17 arranged in a row, and the light emitting diode The patches 17 are all facing the same side.

16 and 17 are bottom view exploded and partially assembled schematic views of a lamp panel module portion, a light-emitting unit portion, and an assembly hand portion according to an embodiment of the present invention. As described above, for convenience of explanation, the ratios of the lamp module portion, the light-emitting unit portion, and the assembly means portion in FIG. 16 are not identical, and the ratio at the time of implementation may refer to FIG. 17, but FIG. 17 is also not the present invention. The only structural ratio, and further, FIG. 17 is used to conveniently explain the positional relationship between the lamp module portion, the light-emitting unit portion, and the assembly means portion, so that the back plate is omitted, and the assembly means can be used to simultaneously connect the back plate and the light plate. The module portion or the light-emitting unit portion is also fixed together.

Referring to FIG. 2, FIG. 16 and FIG. 17, the bottom plate 162 includes a first surface (not shown) and a second surface 1622 opposite to the first surface. The plurality of through holes 1623 are spaced apart from the bottom plate 162. The light-expanding unit 18 includes a plurality of light-emitting units 182, each of the light-emitting units 182 includes a first surface (not shown) and a second surface 1822 opposite to the first surface, and the plurality of perforations 1823 are spaced apart from each other. The light is expanded on unit 182. The assembly means 14 includes a plurality of rivet units 142, each rivet unit 142 includes a connecting portion 1424, at least two through portions 1426, and two protruding portions 1428 corresponding to the two through portions 1426, any of the through portions 1426 The corresponding protruding portion 1428 and the connecting portion 1424 are connected, and the two through portions 1426 and the two protruding portions 1428 are disposed on the same surface 1422 of the connecting portion 1424.

Next, the rivet unit 142 has a π-shaped appearance, and the single rivet unit 142 is simultaneously disposed with two bottom plates 162 adjacent to each other, wherein the two through portions 1426 of the rivet unit 142 are pierced through the through holes 1623 of the different bottom plates 162, so that the two protrusions The portions 1428 respectively protrude from the second faces 1622 of the two bottom plates 162 adjacent to each other. Moreover, any of the second faces 1622 protruding from the bottom plate 162 can further pass through the perforations 1823 of a light-expanding unit 182, in which case the projections 1428 of the rivet unit 142 can protrude from the second face 1822 of the light-expanding unit 182. And is fixed on the second surface 1822 of the light-emitting unit 182. Alternatively, the projection 1428 of the rivet unit 142 protrudes from the second surface 1622 of the bottom plate 162 without the insertion portion 1426 of the light-expanding unit 182 being disposed.

18 is a bottom exploded view of a backplane embodiment of the present invention. The backing plate 12 includes a plurality of perforations 1253 distributed over the backing plate 12. Referring to FIGS. 2, 17, and 18, the through portion 1426 and the protruding portion 1428 of each of the rivet units 142 are respectively entered into the second surface 125 of the backing plate 12 by the first surface 121 of the backing plate 12, and then the through portion 1426 and the protruding portion The portion 1428 is further threaded through the bottom plate 162, and the connecting portion 1424 of the rivet unit 142 is exposed to the first face 121 of the backing plate 12. In the case where the backlight module further includes a diffuser, the through portion 1426 and the protruding portion 1428 of the rivet unit 142 further penetrate the bottom plate 162 and the light-expanding unit 182, and the protruding portion 1428 is exposed to the light-emitting unit 182 after the fastening. On two sides 1822.

Therefore, when the assembly means 14 passes through the back plate 12 and the light board 16, and the light board 16 is fastened to the back board 12 On the second side 125, the connecting portions 1424 of the rivet units 142 constitute a first portion of the assembly means 14, and the connecting portions 1424 are exposed on the first side 121 of the backing plate 12. On the other hand, the projections 1428 of the rivet units 142 constitute a second portion of the assembly means 14, and the projections 1428 are exposed on the second side 125 of the backing plate 12. Therefore, through the rivet units 142, the light board 16 or the light-expanding unit 18 can be fastened to the second surface 125 of the back board 12, and all the bottom boards 162 of the light board 16 are in surface contact manner. Adhering to the second side 125 of the backing plate 12. The bottom plate 162 is provided with a light-expanding unit 182, and the corresponding light-emitting unit 182 is also stacked on the bottom plate 162 through the rivet unit 142.

Figure 19 is a top plan view showing the appearance of a ceiling lamp according to a fifth embodiment of the present invention, and Figure 20 is a partially assembled schematic view of the lamp panel module of the ceiling lamp according to the fifth embodiment of the present invention. The portion of the plurality of riveting units 64 is exposed on the first side 621 of the backing plate 62 of the ceiling lamp 6. The difference from FIG. 1 is that the connecting portion 642 of the riveting unit 64 is larger in size than the connecting portion 1424 of the assembling means 14 in FIG. 1 and the long axis of the riveting unit 64 is disposed on the backing plate 62 as compared with the backing plate of the same size. Radial direction. Next, the backing plate 62 includes a plurality of perforations 623 for the riveting unit 64 to be worn.

Next, referring to FIG. 20, a plurality of light plates 662 are disposed on the second surface 622 of the back plate 62. In this embodiment, the light plates 662 are arranged in three rings 66a, 66b and 66c, and three rings 66a, 66b and 66c. For a concentric polygonal ring, the number of sides is greater than 5, and the number of preferred sides is 8. Of course, this is only an example for convenience of explanation, and is not limited herein. Wherein, any of the rings 66a, 66b or 66c may be a closed ring, and the respective light plates 662 of any of the rings 66a, 66b or 66c may be in close proximity, or there may be a plurality of intervals, and a plurality of electronic components may be disposed on the spaces.

Moreover, the riveting unit 64 is configured to fasten at least two non-adjacent light panels 662, that is, the riveting unit 64 is fastened to the light board 662 of the different rings 66a, 66b or 66c, and the riveting unit 64 is inserted to the back board. After the second side 622 of the 62 and the light board 662, the pressing unit 644 can be further engaged, so that the light board 662 is more firmly fixed to the back board 62.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the claims of the present invention, and all equivalent changes or modifications which are not departing from the spirit of the present invention should be included in the present invention. Within the scope of the invention.

Claims

Rights request

A snap-on module is applied to a back plate of a ceiling lamp and a light-transmitting lamp cover, the snap-fit module includes at least one plastic snap-in unit and a fixing component, and the plastic snap-in unit is assembled to the light-transmitting lamp cover The fixing member assembles the back plate and the plastic engaging unit, and when the back plate is assembled with the transparent lamp cover, the plastic engaging unit is located between the back plate and the transparent lamp cover without being exposed to the Outside the ceiling light.

2. The snap module of claim 1, wherein

The plastic engaging unit includes a body, a groove having at least one buckle disposed on an edge of the body, and a through hole on the body, wherein the buckle is combined with an opening edge of the transparent lamp cover, the fixing The piece is worn through the back plate and received in the perforation; or

The plastic engaging unit includes a flat portion that is assembled with the transparent light cover, and the fixing member is fixed to the flat portion. The fixing member is engaged with a slot in the back plate and movable relative to the back plate. And the flat portion interferes with the light-transmitting lamp cover by moving the fixing member.

3. The snap module of claim 1, wherein when the snap module comprises a plurality of the plastic snap units and the plurality of fasteners,

Each of the plastic engaging units includes a body, a groove having at least one buckle disposed on an edge of the body, a through hole on the body, and a protrusion and a guiding groove respectively located on one side of the body And any one of the plastic engaging units is respectively connected to the adjacent two plastic engaging units by the convex portion and the guiding groove, and each of the buckles is combined with an opening edge of the transparent lamp cover, any one of The fixing member passes through the back plate and is received in any of the perforations; or

Each of the plastic engaging units includes a flat portion that is assembled with the transparent light cover, and a part of the fixing members assembles any of the flat portions on the back plate, and the fixing members are stuck on the back plate. A plurality of slots are formed and movable relative to the backplane, and the flat portions are interfered with the light-transmitting cover by moving the fixing members.

4. The snap module of claim 1, wherein the fixture is a metal rivet or a plastic rivet.

The snap module of claim 1 , further comprising a foreign matter prevention structure, the foreign body protection structure comprising: a tube having a hollow tube contacting the transparent lamp cover and the back plate; a support body in the hollow tube, the support body comprising a metal wire or an alloy wire.

6. A snap-fit module for applying a backing plate and a light-transmitting lamp cover for a ceiling lamp, the snap-fit module package Includes:

At least one plastic engaging unit, comprising a body, a recess having at least one buckle disposed on an edge of the body, and a through hole on the body, wherein the buckle assembly is provided with an opening edge of the transparent light cover; A fixing member is disposed through the back plate and received in the through hole to fix the plastic engaging unit on the back plate.

7. A snap-fit module for assembling a back panel of a ceiling light and a light-transmitting lamp cover, the snap-in module comprising:

At least one plastic engaging unit, comprising a flat portion that is assembled with the light-transmitting lamp cover; and a fixing member fixed to the flat plate portion, the fixing member is engaged with a slot in the back plate The plate can be moved relative to the back plate, and the flat portion is interfered with the light-transmitting lamp cover by moving the fixing member.

8. A snap-fit module for applying a backing plate and a light-transmitting lamp cover for a ceiling lamp, the snap-in module comprising:

a plurality of plastic engaging units, each of the plastic engaging units includes a body, a groove having at least one buckle disposed at an edge of the body, a through hole on the body, and a side of the body respectively a convex portion and a guiding groove, and any of the plastic engaging units is respectively connected to the adjacent two plastic engaging units by the convex portion and the guiding groove, and each of the buckles and an opening of the transparent lamp cover Edge phase combination;

a plurality of fixing members, any of the fixing members penetrating the backing plate and being received in any of the perforations.

9. A snap module for assembling a back panel of a ceiling lamp and a light transmissive cover, the snap module comprising:

a plurality of plastic engaging units, each of the plastic engaging units comprising a flat portion that is assembled with the transparent light cover;

a plurality of fixing members, wherein the fixing members assemble any one of the flat portions on the back plate, and the fixing members are engaged with the plurality of slots in the back plate and are movable relative to the back plate, and Moving the fixing members causes the flat portions to interfere with the transparent lamp cover.

10. A ceiling lamp comprising a snap module of claim 1, 6, 7, 8 or 9, comprising a backplane module of the backplane and the transparent light cover, wherein the backplane module further comprises at least one light panel a module and an assembly means, the assembly means penetrating the back plate and the lamp panel module, and assembling the lamp panel module on the back panel and facing the transparent lamp cover, the assembling means comprising exposing to the outside of the ceiling lamp a first part, as well as highlighting the light A second part of the board module.

The ceiling lamp according to claim 10, wherein the assembling means comprises a plurality of riveting units, and the riveting unit is integrally formed and has a π-shape, and the riveting unit comprises a connecting portion. At least two through portions and two protruding portions corresponding to the two through portions, wherein any one of the through portions connects the corresponding protruding portion and the connecting portion, and the two through portions are disposed on a surface of the connecting portion on.

The ceiling lamp according to claim 11, wherein

The backplane module further includes at least one light-emitting cover stacked on the light-emitting diode module having a plurality of light-emitting diodes fixed thereon; wherein the light-emitting cover corresponds to and covers the light-emitting diodes Upper, and the through portions pass through the back plate, the lamp panel module and the diffuser to expose the protrusions to the diffuser; or

The light board module includes a plurality of light boards, and the light board includes a bottom board and the bottom board has a plurality of light emitting diodes fixed thereto, and one of the riveting units corresponds to the two bottom boards adjacent to each other, and the corresponding The two protrusions of the riveting unit are respectively located on the two bottom plates adjacent to each other; or

The light panel module includes a plurality of light panels, and the light panel includes a bottom panel, and the backplane includes a plurality of through holes corresponding to the plurality of through holes.

The ceiling lamp of claim 10, wherein the light panel module comprises a plurality of light panels, and any one of the light panels comprises a bottom plate and a plurality of light emitting diode patches on the bottom plate, wherein the light emitting diodes are attached The sheet is disposed on the bottom plate in an arrangement having an appearance of a length and a width, and the length is greater than the width, and the bottom plates cover a portion of the back sheet facing a surface of the light-transmitting cover.

14. The ceiling lamp of claim 13, wherein the length has a plurality of the LED patches, and the width has a plurality of the LED patches, wherein Μ and Ν are integers, respectively, and Μ is greater than Ν.

The ceiling lamp of claim 13 , wherein the plurality of concentric closed rings are arranged on a surface of the back plate, wherein the light plates in any concentric closed ring are adjacent to each other or A gap is separated.

The ceiling lamp of claim 10, further comprising an anti-foreign structure, the anti-foreign structure comprising: a tube having a hollow tube contacting the transparent lamp cover and the back plate; and being disposed therein A support body in the empty tube, the support body comprising a metal wire or an alloy wire.

17. A snap module for a back panel of a ceiling light and a light transmissive cover, the snap module comprising: a plurality of plastic engaging units, each of the plastic engaging units including a body, a plurality of fastening means formed on an edge of the body, a through hole on the body, and opposite ends of the body respectively a convex portion and a guiding groove; wherein the convex portion of any of the plastic engaging units is connected to the guiding groove of the adjacent plastic engaging unit, and the fastening means is assembled with one of the transparent light cover Opening edge;

18. The snap module of claim 17, wherein

The protruding portion of any of the plastic engaging units has a positioning hole, and the guiding portion of any of the plastic engaging units has a positioning post; wherein the convex portion of any of the plastic engaging units is connected to the phase When the guide groove of the plastic engaging unit is adjacent, the positioning post is adapted to penetrate the positioning hole.

19. The snap module of claim 17, wherein

a plurality of abutting means are formed on a periphery of one side of the convex portion of the plastic engaging unit, and the convex portion of any of the plastic engaging units is connected to the guiding groove of the adjacent plastic engaging unit When the abutting means abuts the guiding groove.

The snap module of claim 17, wherein

The guide groove has an inner circumference and a cantilever, and the inner circumference defines a hollow portion, and the cantilever extends from the inner circumference and is received in the hollow portion; wherein the cantilever is formed with the positioning post.

The snap module of claim 17, wherein

The fastening means includes a plurality of upper fastening pieces and a plurality of lower fastening pieces, the upper fastening pieces are spaced apart from an upper side of the body edge, and the lower fastening pieces are spaced apart from the lower side of the body edge, and The upper buckles and the lower buckles are arranged alternately with each other.

22. The snap module of claim 17, wherein

The body has a plurality of reinforcing ribs extending inwardly from the edge.

A snap-fit module is applied to a back panel of a ceiling lamp and a light-transmitting lamp cover. The snap-fit module comprises: a plastic snap-fit unit comprising a body and a plurality of edges formed on an edge of the body a fastening means and an assembly means on the body, wherein the fastening means assembles an opening edge of the transparent lamp cover;

a fixing member penetrating the back plate and being received in the through hole to fix the plastic engaging unit to the back plate On.

24. The snap module of claim 23, wherein

The fastening means includes a plurality of upper fastening pieces and a plurality of lower fastening pieces, the upper fastening pieces are spaced apart from an upper side of the body edge, and the lower fastening pieces are spaced apart from the lower side of the body edge, and The upper fastening pieces and the lower fastening pieces are arranged offset from each other.

25. A ceiling lamp comprising the snap module of claim 17 or 23, comprising a backplane module of the backplane and the transparent light cover, wherein the backplane module further comprises at least one light panel module and an assembly means, Disassembling the backboard and the light panel module, and assembling the light panel module to the back panel and facing the light-transmitting light cover, the assembling means comprising a first portion exposed to the outside of the ceiling light, and protruding A second part of the light panel module.

The ceiling lamp of claim 25, wherein the assembling means comprises a plurality of riveting units, and the riveting unit is integrally formed and has a π-shape, and the riveting unit comprises a connecting portion, At least two through portions and two protruding portions corresponding to the two through portions, wherein any one of the through portions connects the corresponding protruding portion and the connecting portion, and the two through portions are disposed on a surface of the connecting portion on.

27. A snap-fit module, applied to a backplane of a ceiling lamp and a transparent lampshade, the snap-fit module comprising: a plurality of plastic snap-fit units, each of the plastic snap-fit units comprising a body and respectively located a convex portion and a guiding groove at opposite ends of the body; wherein the protruding portion has a first engaging means, the guiding groove has a second engaging means, and the first engaging means is coupled to the second engaging means </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI>

And a plurality of fixing members, the fixing members are disposed on the back plate and the body to fix the plastic clamping units to the back plate.

The snap module of claim 27, wherein

The first bonding means is a positioning hole, and the second bonding means is a positioning post; wherein, when the convex portion of any of the plastic engaging units is connected to the guiding groove of the adjacent plastic engaging unit, The positioning post is adapted to penetrate the positioning hole.

29. The snap module of claim 27, wherein The guide groove has an inner circumference and a cantilever, and the inner circumference defines a hollow portion, and the cantilever extends from the inner circumference and is received in the hollow portion; wherein the cantilever is formed with the positioning post.

The snap module of claim 27, wherein

The fastening means includes a plurality of fastening means, and the fastening means is formed on an edge of the body for the light-transmitting lamp cover to be assembled to the fastening means; wherein the fastening means comprises a plurality of upper fastening pieces and a plurality of lower fastening pieces, wherein the upper fastening pieces are spaced apart from an upper side of the body edge, the lower fastening pieces are spaced apart from the lower side of the body edge, and the upper fastening pieces are The lower buckles are arranged alternately with each other.