Transparent decoration ring, decoration assembly and air conditioner

Abstract

The invention provides a transparent decoration ring, a decoration assembly and an air conditioner, and relates to the technical field of air conditioners. The transparent decorative ring comprises a transparent decorative ring body and a connecting part. The transparent decoration ring body is in a ring shape and is made of transparent materials, and a circle of refraction face is formed on the inner ring side of the transparent decoration ring body. The two ends of the connecting part are connected to the face, adjacent to the refraction face, of the transparent decoration ring body, a connecting structure is arranged on the connecting part, and the transparent decoration ring body can be installed on one side of the indoor unit through the connecting structure. The problem that shadows appear on the transparent decorative ring can be improved or even solved.

Description

Technical Field

[0001] The invention relates to the technical field of air conditioners, and in particular to a transparent decorative ring, a decorative component and an air conditioner. Background Art

[0002] In order to achieve the diversity of air conditioner structure and appearance and enhance the aesthetics, patterns are usually sprayed or printed on both sides of the middle frame, but the sprayed and printed patterns are easily scratched. With the development of technology, it has become a way to set transparent decorative parts on both sides of the middle frame of the air conditioner indoor unit. However, the existing transparent decorative rings on both sides of the middle frame are set up due to unreasonable connection structure, which easily leads to dark shadows on the transparent decorative parts, affecting the appearance and user experience. Summary of the invention

[0003] The problem solved by the invention is that the structural setting of the existing transparent decorative ring is unreasonable, resulting in dark shadows on the transparent decorative ring.

[0004] In order to solve the above problems, the embodiments of the present invention provide a transparent decorative ring, a decorative assembly and an air conditioner, which can improve or even solve the problem of dark shadows appearing on the transparent decorative ring.

[0005] In a first aspect, the present invention provides a transparent decorative ring, which is used to be installed on one side of an indoor unit, and the transparent decorative ring includes a transparent decorative ring body and a connecting portion;

[0006] The transparent decorative ring body is in a ring shape and is made of a transparent material, and the inner ring side of the transparent decorative ring body forms a circle of refractive surface;

[0007] The two ends of the connection part are respectively connected to the surfaces of the transparent decorative ring body adjacent to the refractive surface. The connection part is provided with a connection structure, and the connection structure enables the transparent decorative ring body to be installed on one side of the indoor unit.

[0008] The inventor found that in the prior art, the connecting part is generally connected to the refractive surface, so that after the light passes through the transparent decorative ring, it will continue to pass to the inside of the connecting part, and the area connected to the connecting part will not be refracted and reflected, which will cause the transparent decorative ring and the area corresponding to the connecting part to appear a dark shadow. The present application connects the connecting part to the surface of the transparent decorative ring body adjacent to the refractive surface, thereby ensuring the integrity and continuity of the refractive surface, so that the light irradiated on the transparent decorative ring can pass through the transparent decorative ring body, and be refracted and reflected on the refractive surface, thereby avoiding the transparent decorative ring body from having a dark shadow at the position corresponding to the connecting part.

[0009] In an optional embodiment, the connecting portion includes a first section, a second section, a third section, a fourth section and a fifth section connected in sequence;

[0010] The transparent decorative ring body has a first portion and a second portion that are opposite to each other;

[0011] One end of the first segment is connected to the surface of the first part adjacent to the refractive surface, the first segment and one end of the second segment are connected at an angle, the other ends of the two segments are connected to one end of the third segment at an angle, the fourth segment is arranged opposite to the second segment, one end of the fourth segment is connected to the other end of the third segment at an angle, the other end of the fourth segment is connected to the fifth segment at an angle, and the other end of the fifth segment is connected to the surface of the second part adjacent to the refractive surface;

[0012] The connecting structure is arranged at the first section and the fifth section; and / or,

[0013] The connecting structure is arranged in the third section.

[0014] By arranging the connection part in this way, the connection part can support the decorative panel and avoid the formation of shadows.

[0015] In an optional embodiment, the transparent decorative ring body includes a mounting ring portion and a transparent decorative ring portion;

[0016] The mounting ring is used to be clamped between one side of the middle frame and the decorative panel;

[0017] The transparent decorative ring portion is correspondingly connected to the outer periphery of the mounting ring portion and extends obliquely toward the outer side of the mounting ring portion;

[0018] The refractive surface is formed on the inner circle of the mounting circle;

[0019] The connecting portion and the side wall of the mounting ring portion adjacent to the refractive surface.

[0020] The present application sets the transparent decorative ring as a mounting ring portion and a transparent decorative ring portion, so that the mounting ring portion can be clamped between the middle frame and the decorative panel, thereby ensuring the uniformity of the assembly gap, thereby making the indoor unit more beautiful.

[0021] In an optional implementation, the width difference of the transparent decorative ring body ranges from 0 to 3 mm.

[0022] The present application allows the width error of the transparent decorative ring body to be maintained at 0-3 mm, so that the light irradiated on the transparent decorative ring can be transmitted better, thereby improving the black shadow and making the brightness relatively more uniform.

[0023] In a second aspect, the present invention provides a decoration assembly for installation on one side of an indoor unit, the decoration assembly comprising a decoration plate and the transparent decoration ring described in any one of the aforementioned embodiments;

[0024] The decorative panel is provided with an assembly structure matched with the connecting structure;

[0025] The decorative plate is installed on the outside of the transparent decorative ring body, and the connecting structure is connected to the assembling structure.

[0026] The present application arranges a decorative structure on the outer side of the decorative plate that cooperates with the connecting structure so that the decorative plate and the transparent decorative ring can be assembled as a whole first, and then the whole assembly can be installed on the middle frame. This can make the structure of the transparent decorative ring simpler and the appearance more complete under the decorative effect of the decorative part.

[0027] In an optional embodiment, the connection structure includes a positioning hole provided in the connection portion;

[0028] The assembly structure includes a positioning column arranged on the inner side of the decorative plate, and the positioning column can be inserted into the positioning hole.

[0029] The present application can conveniently realize the assembly and positioning between the transparent decorative ring and the decorative plate by setting the cooperation of the positioning holes and the positioning columns.

[0030] In an optional embodiment, the connection structure further includes a card slot, and the card slot is arranged on the connection portion;

[0031] The assembly structure further includes a buckle, which is arranged on the inner side of the decorative plate;

[0032] The decorative plate is mounted on the transparent decorative ring through the buckle and the slot.

[0033] The present application realizes the assembly of the transparent decorative ring and the decorative plate through the cooperation of the buckle and the slot, making the assembly more convenient.

[0034] In an optional embodiment, a mounting portion is further provided on the decorative panel or the connecting portion, and the mounting portion is used to be connected to a middle frame of the indoor unit.

[0035] The present application allows the decorative component to be better assembled on one side of the middle frame by providing a connecting portion.

[0036] In a third aspect, the present invention provides an air conditioner, the air conditioner comprising an indoor unit, the indoor unit comprising a middle frame and the decoration assembly described in any one of the aforementioned embodiments;

[0037] The decorative plate or the transparent decorative ring is connected to one side of the middle frame.

[0038] This can make the indoor unit more beautiful and can improve or even solve the problem of dark shadows on the transparent decorative ring.

[0039] In an optional embodiment, a second positioning hole, a second snap-in groove and an avoidance groove are provided on one side of the middle frame;

[0040] The connecting structure includes a positioning hole provided on the connecting portion;

[0041] The assembly structure includes a positioning column arranged on the inner side of the decorative plate, and the positioning column is inserted into the positioning hole and the second positioning hole;

[0042] The connection structure further comprises a card slot, and the card slot is arranged on the connection part;

[0043] The assembly structure further includes a buckle, which is arranged on the inner side of the decorative plate;

[0044] The decorative plate is mounted on the transparent decorative ring through the buckle and the slot, and the avoidance slot corresponds to the buckle and is used to avoid the buckle;

[0045] The decorative plate or the connecting portion is further provided with a mounting portion, and the mounting portion is a second buckle, and the second buckle is buckled in the second buckle groove.

[0046] In the present application, positioning posts are provided to achieve positioning between the transparent decorative ring and the middle frame, while second card slots and second buckles are provided to better achieve assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 A schematic diagram of the structure of an air conditioner provided by an embodiment of the present invention;

[0048] Figure 2 A schematic diagram of the structure of a decoration component provided by an embodiment of the present invention;

[0049] Figure 3 A schematic diagram of the structure of a transparent decorative ring provided by an embodiment of the present invention;

[0050] Figure 4 A schematic diagram of the structure of a decorative plate of a decorative assembly provided in an embodiment of the present invention;

[0051] Figure 5 for Figure 2 The enlarged schematic diagram of point B in the middle;

[0052] Figure 6 for Figure 1 The enlarged schematic diagram at A in the middle;

[0053] Figure 7 A schematic diagram of the middle frame structure of an air conditioner provided in an embodiment of the present invention;

[0054] Figure 8 for Figure 7 Enlarged schematic diagram at point C in the middle.

[0055] Icons: 100-transparent decorative ring; 110-transparent decorative ring body; 111-refractive surface; 113-first part; 115-second part; 117-installation ring; 119-transparent decorative ring; 121-back; 123-front; 130-connection; 131-connection structure; 133-first section; 135-second section; 137-third section; 139-fourth section; 141-fifth section; 143-positioning hole; 145-slot; 300-decoration component; 310-decoration panel; 311-assembly structure; 312-positioning column; 313-clip; 315-installation; 317-second clip; 500-air conditioner; 510-indoor unit; 511-middle frame; 513-second positioning hole; 515-second snap-in slot; 517-avoidance slot. DETAILED DESCRIPTION

[0056] The structural setting of the existing transparent decorative ring is unreasonable, resulting in dark shadows on the transparent decorative ring, which affects the aesthetics of the indoor unit and the user experience.

[0057] In order to solve the above problems, the embodiments of the present invention provide a transparent decorative ring, a decorative assembly and an air conditioner, which can improve or even solve the problem of dark shadows appearing on the transparent decorative ring.

[0058] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0059] Please refer to Figure 1 The present embodiment provides an air conditioner 500, which is a split unit, and includes an indoor unit 510 and an outdoor unit. The indoor unit 510 is a wall mounted unit. The indoor unit 510 includes a decorative component 300 of a middle frame 511. The decorative component 300 is installed on one side of the middle frame 511 so as to make the indoor unit 510 more beautiful.

[0060] Please refer to Figure 1 and Figure 2 In this embodiment, the decoration assembly 300 includes a decoration plate 310 and a transparent decoration ring 100. The decoration plate 310 is installed outside the transparent decoration ring 100, and the decoration plate 310 and the transparent decoration ring 100 are connected to each other. The decoration plate 310 and / or the transparent decoration ring 100 are connected to the middle frame 511.

[0061] Please refer to Figure 3In this embodiment, the transparent decorative ring 100 includes a transparent decorative ring body 110 and a connecting portion 130. The transparent decorative ring body 110 is ring-shaped and made of a transparent material. The inner ring side of the transparent decorative ring body 110 forms a circle of refractive surface 111. The two ends of the connecting portion 130 are respectively connected to the surfaces of the transparent decorative ring body 110 adjacent to the refractive surface 111. The connecting portion 130 is provided with a connecting structure 131, and the connecting structure 131 enables the transparent decorative ring body 110 to be installed on one side of the indoor unit 510.

[0062] The inventors found that in the prior art, the connecting portion 130 is generally connected to the refractive surface 111, so that after the light passes through the transparent decorative ring 100, it will continue to pass to the inside of the connecting member, and the area connected to the connecting portion 130 will not be refracted and reflected, which will cause a dark shadow to appear in the area corresponding to the transparent decorative ring 100 and the connecting portion 130. The present application connects the connecting portion 130 to the surface of the transparent decorative ring body 110 adjacent to the refractive surface 111, thereby ensuring the integrity and continuity of the refractive surface 111, so that the light irradiated on the transparent decorative ring 100 can pass through the transparent decorative ring body 110, and be refracted and reflected on the refractive surface 111, thereby avoiding the occurrence of a dark shadow in the transparent decorative ring body 110 at the position corresponding to the connecting portion 130.

[0063] Please refer to Figure 3 and Figure 5 It should be noted that the refractive surface 111 in the present application can be understood as the inner wall of the transparent decorative ring 100. The two surfaces adjacent to the refractive surface 111 can be understood as the front 123 or the back 121 of the transparent decorative ring 100. In this example, the side of the transparent decorative ring 100 on which the decorative plate 310 is mounted is defined as the front 123, and the side abutting against the middle frame 511 is defined as the back 121.

[0064] In this embodiment, the transparent decorative ring body 110 is roughly rectangular in structure, and the four corners are transitioned into arc shapes, which can make the appearance more beautiful and smooth.

[0065] Please refer to Figure 2 and Figure 3, in this embodiment, the connecting portion 130 includes a first section 133, a second section 135, a third section 137, a fourth section 139, and a fifth section 141 that are connected in sequence. The transparent decorative ring body 110 specifically has a first part 113 and a second part 115 that are opposite to each other. One end of the first section 133 is connected to the surface of the first part 113 adjacent to the refraction surface 111. One end of the first section 133 and one end of the second section 135 are angularly connected. The other end of the second section is angularly connected to one end of the third section 137. The fourth section 139 is disposed opposite to the second section 135, and one end of the fourth section 139 is angularly connected to the other end of the third section 137. The other end of the fourth section 139 is angularly connected to the fifth section 141. The other end of the fifth section 141 is connected to the surface of the second part 115 adjacent to the refraction surface 111. The connecting structure 131 is provided on the first section 133 and the fifth section 141; and / or, the connecting structure 131 is provided on the third section 137.

[0066] In this application, the connecting portion 130 is arranged in this way, so that the connecting portion 130 can support the decorative plate 310 and avoid forming a shadow.

[0067] It should be noted that the connecting portion 130 is generally in a "Ji" shape in this embodiment. In this way, while supporting the decorative plate 310, the installation of the decorative plate 310 can be realized.

[0068] In this embodiment, the end of the first section 133 away from the second section 135 is connected to the back surface 121 of the transparent decorative ring body 110. The end of the fifth section 141 away from the fourth section 139 is connected to the back surface 121 of the transparent decorative ring 100. This can ensure the integrity of the inner side of the transparent decorative ring 100. Thus, the problem of forming a shadow on the transparent decorative ring 100 can be improved.

[0069] In this embodiment, the transparent decorative ring body 110 includes an installation ring portion 117 and a transparent decorative ring portion 119. The installation ring portion 117 can be clamped between one side of the middle frame 511 and the decorative plate 310. The transparent decorative ring portion 119 is correspondingly connected to the outer peripheral edge of the installation ring portion 117 and extends obliquely toward the outside of the installation ring portion 117. The refraction surface 111 is formed on the inner ring of the installation portion 315 ring portion. The connecting portion 130 is connected to the side wall of the installation ring portion 117 adjacent to the refraction surface 111.

[0070] In this embodiment, the transparent decorative ring 100 is set as the installation ring portion 117 and the transparent decorative ring portion 119. In this way, the installation ring portion 117 can be clamped between the middle frame 511 and the decorative plate 310, so as to ensure the uniformity of the assembly gap and make the indoor unit 510 more beautiful. And the transparent decorative ring portion 119 can be provided with a decorative shape.

[0071] In this embodiment, the mounting ring 117 is in the shape of a flat plate. The decorative ring is bent and extended toward the outside away from the middle frame 511. The mounting ring 117 and the decorative ring are transitioned at an angle, and the thickness of the two is substantially the same. The decorative plate 310 is buckled on the outside of the mounting ring 117, so that the connecting portion 130 can be shielded.

[0072] In this embodiment, the width difference of the transparent decoration ring body 110 ranges from 0 to 3 mm.

[0073] In this embodiment, the width error of the transparent decorative ring body 110 is maintained at 0-3 mm, so that the light irradiated on the transparent decorative ring 100 can be transmitted better, thereby improving the black shadow and making the brightness relatively more uniform.

[0074] Please refer to Figure 3 , Figure 4 and Figure 5 In this embodiment, the decorative plate 310 is provided with an assembly structure 311 that cooperates with the connection structure 131. The decorative plate 310 is installed on the outer side of the installation ring portion 117, and the connection structure 131 is connected to the assembly structure 311.

[0075] In this embodiment, a decorative structure that cooperates with the connecting structure 131 is set on the outer side of the decorative plate 310. In this way, the decorative plate 310 and the transparent decorative ring 100 can be assembled as a whole first, and then the whole assembly can be installed on the middle frame 511. In this way, the structure of the transparent decorative ring 100 can be simpler, and the appearance can be more complete under the decorative effect of the decorative parts.

[0076] The connection structure 131 includes a positioning hole 143 disposed on the connection portion 130 . The assembly structure 311 includes a positioning column 312 disposed on the inner side of the decorative plate 310 , and the positioning column 312 is inserted into the positioning hole 143 .

[0077] In this embodiment, the positioning holes 143 and the positioning posts 312 are arranged to cooperate with each other so as to conveniently realize the assembly and positioning between the transparent decorative ring 100 and the decorative plate 310 .

[0078] In this embodiment, the positioning hole 143 is disposed in the middle of the third section 137 .

[0079] Please refer to Figure 3 , Figure 4 and Figure 5 Further, the connection structure 131 further includes a slot 145, which is disposed on the connection portion 130. The assembly structure 311 further includes a buckle 313, which is disposed on the inner side of the decorative plate 310. The decorative plate 310 is mounted on the transparent decorative ring 100 through the buckle 313 and the slot 145.

[0080] In this embodiment, the transparent decorative ring 100 and the decorative plate 310 are integrally assembled by the buckle 313 and the slot 145, making the assembly more convenient.

[0081] Specifically, the slot 145 is disposed in the middle of the first section 133 and the fifth section 141 . The buckle 313 corresponds to the position of the slot 145 .

[0082] In this embodiment, there are three connecting parts 130 , and the three connecting parts 130 are arranged at intervals. Some connecting parts 130 are only provided with the clamping groove 145 , and some connecting columns are provided with the positioning hole 143 and the clamping groove 145 .

[0083] Please refer to Figure 3 , Figure 4 , Figure 5 and Figure 6 In this embodiment, the decorative panel 310 is further provided with a mounting portion 315 , and the mounting portion 315 is connected to the middle frame 511 .

[0084] The present application can better assemble the decoration component 300 on one side of the middle frame 511 by setting the connection part 130. Setting the connection part 130 on the decoration plate 310 can avoid being set on the transparent decoration ring 100 to affect the transmission of light.

[0085] Please refer to Figure 6 , Figure 7 and Figure 8 In this embodiment, a second positioning hole 513, a second clamping groove 515 and an avoidance groove 517 are provided on one side of the middle frame 511. The positioning column 312 is inserted into the positioning hole 143 and extends to the second positioning hole 513. The avoidance groove 517 corresponds to the buckle 313 and is used to avoid the buckle 313. The mounting portion 315 is a second buckle 317, and the second buckle 317 is clamped in the second clamping groove 515.

[0086] The present application sets the second positioning hole 513 so that the positioning column 312 can be positioned with the transparent decorative ring 100 and the middle frame 511, and the second card slot 145 and the second buckle 317 can be set to better achieve assembly.

[0087] During the assembly process, the transparent decorative ring 100 and the decorative plate 310 are first assembled into an integral decorative assembly 300 through the cooperation of the buckle 313 and the slot 145 and the cooperation of the positioning column 312 and the positioning hole 143. Then, the decorative assembly 300 is assembled on one side of the middle frame 511 through the cooperation of the second positioning hole 513 and the second buckle 317 and the second slot 145, which makes the installation of the transparent decorative ring 100 more convenient and can improve or even avoid the appearance of dark shadows on the transparent decorative ring 100.

[0088] In summary, the working distance and beneficial effects of the transparent decorative ring 100, the decorative assembly 300 and the air conditioner 500 provided in this embodiment include:

[0089] The present application ensures the integrity and continuity of the refractive surface 111 by connecting the connecting portion 130 to the surface of the transparent decorative ring body 110 adjacent to the refractive surface 111, so that the light irradiated on the transparent decorative ring 100 is transmitted through the transparent decorative ring body 110 and refracted and reflected on the refractive surface 111, thereby avoiding the occurrence of a dark shadow on the transparent decorative ring body 110 at the position corresponding to the connecting portion 130.

[0090] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the scope defined by the claims.

Claims

1. A transparent decorative ring, used for installation on one side of an indoor unit (510), It is characterized in that The transparent decorative ring comprises a transparent decorative ring body (110) and a connecting portion (130); The transparent decorative ring body (110) is in a ring shape and is made of a transparent material. The inner ring side of the transparent decorative ring body (110) forms a circle of refractive surface (111); The two ends of the connecting portion (130) are respectively connected to the surfaces of the transparent decorative ring body (110) adjacent to the refractive surface (111), and a connecting structure (131) is provided on the connecting portion (130), and the connecting structure (131) enables the transparent decorative ring body (110) to be installed on one side of the indoor unit (510).

2. The transparent decorative ring according to claim 1, It is characterized in that The connecting portion (130) comprises a first section (133), a second section (135), a third section (137), a fourth section (139) and a fifth section (141) which are connected in sequence; The transparent decorative ring body (110) specifically comprises a first portion (113) and a second portion (115) opposite to each other; one end of the first segment (133) is connected to a surface of the first segment (113) adjacent to the refractive surface (111); the first segment (133) and one end of the second segment (135) are connected at an angle; the other ends of the two segments are connected at an angle to one end of the third segment (137); the fourth segment (139) is arranged opposite to the second segment (135); one end of the fourth segment (139) is connected at an angle to the other end of the third segment (137); the other end of the fourth segment (139) is connected at an angle to the fifth segment (141); the other end of the fifth segment (141) is connected to a surface of the second segment (115) adjacent to the refractive surface (111); The connecting structure (131) is provided at the first section (133) and the fifth section (141); and / or, The connecting structure (131) is arranged in the third section (137).

3. The transparent decorative ring according to claim 1 or 2, It is characterized in that The transparent decorative ring body (110) comprises a mounting ring portion (117) and a transparent decorative ring portion (119); The mounting ring portion (117) is used to be mounted between one side of the middle frame (511) and the decorative plate (310); the transparent decorative ring portion (119) is correspondingly connected to the outer periphery of the mounting ring portion (117) and extends obliquely toward the outer side of the mounting ring portion (117); The refractive surface (111) is formed on the inner circle of the mounting circle portion (117); The connecting portion (130) is connected to a side wall of the mounting ring portion (117) adjacent to the refractive surface (111).

4. The transparent decorative ring according to claim 1 or 2, It is characterized in that The width difference of the transparent decorative ring body (110) ranges from 0 to 3 mm.

5. A decoration assembly (300) for installation on one side of an indoor unit (510), It is characterized in that The decorative component (300) comprises a decorative plate (310) and the transparent decorative ring according to any one of claims 1 to 4; The decorative plate (310) is provided with an assembly structure (311) that cooperates with the connection structure (131); the decorative plate (310) is installed outside the transparent decorative ring body (110), and the connection structure (131) is connected to the assembly structure (311).

6. The decoration component (300) according to claim 5, It is characterized in that The connection structure (131) comprises a positioning hole (143) arranged on the connection portion (130); The assembly structure (311) comprises a positioning column (312) arranged on the inner side of the decorative plate (310), and the positioning column (312) is inserted into the positioning hole (143).

7. The decoration component (300) according to claim 5 or 6, It is characterized in that The connection structure (131) further comprises a card slot (145), wherein the card slot (145) is arranged on the connection portion (130); The assembly structure (311) further comprises a buckle (313), wherein the buckle (313) is arranged on the inner side of the decorative plate (310); The decorative plate (310) is mounted on the transparent decorative ring by means of the buckle (313) and the slot (145).

8. The decoration component (300) according to claim 5 or 6, It is characterized in that The decorative panel (310) or the connecting portion (130) is also provided with a mounting portion (315), and the mounting portion (315) is used to be connected to the middle frame (511) of the indoor unit (510).

9. An air conditioner (500), It is characterized in that The air conditioner (500) comprises an indoor unit (510), and the indoor unit (510) comprises a middle frame (511) and an indoor unit (510) decoration assembly (300) according to any one of claims 5 to 8; The decorative plate (310) or the transparent decorative ring is connected to one side of the middle frame (511).

10. The air conditioner (500) according to claim 9, It is characterized in that A second positioning hole (513), a second clamping groove (515) and an avoidance groove (517) are provided on one side of the middle frame (511); The connection structure (131) comprises a positioning hole (143) arranged on the connection portion (130); The assembly structure (311) comprises a positioning column (312) arranged on the inner side of the decorative plate (310), and the positioning column (312) is inserted into the positioning hole (143) and the second positioning hole (513); The connection structure (131) further comprises a card slot (145), wherein the card slot (145) is arranged on the connection portion (130); The assembly structure (311) further comprises a buckle (313), wherein the buckle (313) is arranged on the inner side of the decorative plate (310); The decorative plate (310) is mounted on the transparent decorative ring by means of the buckle (313) and the clamping groove (145); the avoidance groove (517) corresponds to the buckle (313) and is used to avoid the buckle (313); The decorative plate (310) or the connecting portion (130) is also provided with a mounting portion (315), and the mounting portion (315) is a second buckle (317), and the second buckle (317) is buckled in the second buckle groove (515).

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