Fan accessory and waist fan

US20260276005A1Pending Publication Date: 2026-09-17SHENZHEN LUANSHENG ELECTRONICS TECH CO LTD
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Patent Information

Application Number
US19/188016
Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
Priority Date
2025-03-11
Filing Date
2025-04-24
Publication Date
2026-09-17

AI Technical Summary

Technical Problem

The technical problem to be solved by the present disclosure lies in: the traditional waist-hanging fan is limited to waist-hanging use, and when it is placed on a table, the fixed structure thereof makes it impossible to adjust the air discharge direction at the air outlet; if the user wants to use a fan with an adjustable air discharge direction in desktop environments, he or she needs to additionally purchase a specialized desktop fan, which increases the inconvenience in use and the additional economic cost.

Benefits of technology

[0012]Optionally, a damped rotating disk that can drive the clamping member to rotate relative to the waist fan is arranged on one side of the waist fan.

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Abstract

The present application, belonging to the technical field of fans, relates to a fan accessory and a waist fan, including an assembly connection plate and a support assembly plate; the assembly connection plate includes a detachable connection assembly, which is used for detachable connection with a fan body; the support assembly plate is in movable connection with the assembly connection plate, which can be subjected to rotational adjustment relative to the support assembly plate; when the fan body needs to be used, the fan body can be placed or mounted in a fan-to-be-settled area after the assembly connection plate is connected to the fan body, and an air discharge angle of the fan body can then be adjusted through relative rotation of the assembly connection plate and the support assembly plate.
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Description

CROSS-REFERENCE TO RELATED PATENT APPLICATION

[0001] This application claims the benefit of and priority to Chinese Patent Application No. 202510287260.X, filed on March 11, 2025, the entirety of which is hereby incorporated by reference.FIELD OF THE DISCLOSURE

[0002] The present disclosure pertains to the technical field of fans, and more specifically, relates to a fan accessory and a waist fan.BACKGROUND OF THE DISCLOSURE

[0003] A fan, as a device for generating airflow, generates a wind flow by rotating fan blades, thereby creating a feeling of coolness. The origin thereof can be traced back to ancient times. However, mechanical and electric fans in the true sense were gradually developed in the modern and contemporary eras. There are various types of fans, which can be mainly divided into floor fans, table fans, air circulation fans, ceiling fans, wall fans, air conditioning fans, and bladeless fans among others according to usage scenarios and shape characteristics. These fans each have characteristics of their own, and are applicable in different occasions to meet different needs.

[0004] A waist-hanging fan is a fan that can be hung at a user’s waist. In the prior art, clamping members for clamping the trouser waist and clothes hem of the user are usually fixedly arranged on two opposite sides of the waist-hanging fan. However, a traditional waist-hanging fan is limited to waist-hanging use, and when it is placed on a table, the fixed structure thereof makes it impossible to adjust the air discharge direction at the air outlet. If the user wants to use a fan with an adjustable air discharge direction in desktop environments, he or she needs to additionally purchase a specialized desktop fan, which increases the inconvenience in use and the additional economic cost.SUMMARY OF THE DISCLOSUR

[0005] The technical problem to be solved by the present disclosure lies in: the traditional waist-hanging fan is limited to waist-hanging use, and when it is placed on a table, the fixed structure thereof makes it impossible to adjust the air discharge direction at the air outlet; if the user wants to use a fan with an adjustable air discharge direction in desktop environments, he or she needs to additionally purchase a specialized desktop fan, which increases the inconvenience in use and the additional economic cost. Given the above defects in the prior art, there is provided a fan accessory and a waist fan.

[0006] The technical solutions adopted by the present disclosure to solve the technical problem concerned are as follows.

[0007] A fan accessory is constructed to comprise:

[0008] an assembly connection plate, which is provided with a detachable connection assembly, wherein the detachable connection assembly is used for detachable connection with a fan body;

[0009] a support assembly plate, which is in movable connection with the assembly connection plate, wherein the assembly connection plate can be subjected to rotational adjustment relative to the support assembly plate;

[0010] wherein when the fan body needs to be used, the fan body can be placed or mounted in a fan-to-be-settled area after the assembly connection plate is connected to the fan body through the detachable connection assembly, and an air discharge angle of the fan body can then be adjusted through relative rotation of the support assembly plate and the assembly connection plate.

[0011] A waist fan is constructed to comprise a fan accessory, wherein a clamping member for clamping a clothes hem and / or a trouser waist is arranged one side of the waist fan, the clamping member comprises a clamping body and a clamping head, and during assembly, the clamping head is clamped in a clamping slot under the action of a guide portion, while the clamping body is located in a groove.

[0012] Optionally, a damped rotating disk that can drive the clamping member to rotate relative to the waist fan is arranged on one side of the waist fan.

[0013] The beneficial effects of the present disclosure are as follows.

[0014] In the present disclosure, an assembly connection plate and a support assembly plate are arranged, wherein: the assembly connection plate is provided with a detachable connection assembly, which is used for detachable connection with a fan body; the support assembly plate is in movable connection with the assembly connection plate, which can be subjected to rotational adjustment relative to the support assembly plate; when the fan body needs to be used, the fan body can be placed or mounted in a fan-to-be-settled area after the assembly connection plate is connected to the fan body through the detachable connection assembly, and an air discharge angle of the fan body can then be adjusted through relative rotation of the support assembly plate and the assembly connection plate. Since the assembly connection plate and the support assembly plate are in movable connection, the support assembly plate can be subjected to rotational adjustment relative to the assembly connection plate, so that the air discharge angle of the fan body can be flexibly adjusted according to actual needs to meet air supply requirements in different environments and improve the convenience in use. Through the detachable connection assembly, the assembly connection plate can be easily connected to and disassembled from the fan body, which makes it more convenient to mount and replace the fan body. At the same time, it is applicable to fans with varying models or specifications, thereby improving the compatibility and the range of application.BRIEF DESCRIPTION OF THE DRAWINGS

[0015] To make the technical solutions in the embodiments of the present disclosure or the prior art clearer, the present disclosure will be further explained below in combination with the figures and the embodiments. The figures described below only relate to some of the embodiments in the present disclosure. Without creative labor, persons skilled in the art can further obtain other figures on the basis of these figures.

[0016] FIG. 1 is an axonometric diagram of the present disclosure in Embodiment 1.

[0017] FIG. 2 is a side-view diagram of the present disclosure in Embodiment 1.

[0018] FIG. 3 is a cutaway diagram of the present disclosure, taken along the line A-A in FIG. 2.

[0019] FIG. 4 is an overall exploded diagram of the present disclosure.

[0020] FIG. 5 is another overall exploded diagram of the present disclosure.

[0021] FIG. 6 is an axonometric diagram of the present disclosure in Embodiment 2.

[0022] FIG. 7 is a front-view diagram of the present disclosure in Embodiment 2.

[0023] FIG. 8 is a cutaway diagram of the present disclosure, taken along the line B-B in FIG. 7.

[0024] FIG. 9 is an overall exploded diagram of the present disclosure in Embodiment 2.

[0025] FIG. 10 is another axonometric diagram of the present disclosure in Embodiments 1 and 4.

[0026] FIG. 11 is another front-view diagram of the present disclosure in Embodiments 1 and 4.

[0027] FIG. 12 is a cutaway diagram of the present disclosure, taken along the line C-C in FIG. 11.

[0028] FIG. 13 is another front-view diagram of the present disclosure in Embodiments 1 and 4.

[0029] FIG. 14 is a front-view cutaway diagram of the present disclosure, taken along the line D-D of FIG. 13.

[0030] FIG. 15 is an exploded diagram of the present disclosure in Embodiments 1 and 4.

[0031] FIG. 16 is an axonometric diagram of the present disclosure in Embodiments 2 and 4.

[0032] FIG. 17 is an exploded diagram of the present disclosure in Embodiments 2 and 4.

[0033] Reference signs: 100. assembly connection plate; 110. detachable connection assembly; 111. groove; 112. guide portion; 113. clamping slot; 120. disassembly plate; 200. support assembly plate; 210. connection mounting portion; 211. hanging hole; 212. first connecting hole; 300. mounting member; 310. adhesive plate; 320. hook portion; 321. baffle plate; 331. connecting plate; 332. fastening member; 332.1. mounting plate; 332.2. fastening plate; 332.21. fastening portion; 332.3. elastic fastening column; 332.32. fastening head; 333. second connecting hole; 400. clamping member; 410. clamping body; 420. clamping head; 500. damped rotating disc; 600. articulation mounting portion; 610. articulated shaft.DETAILED DESCRIPTION OF THE EXEMPLARY EMBODIMENTS

[0034] To make the objectives, technical solutions, and advantages of the present disclosure clearer, the technical solutions in the present disclosure will be clearly and completely described below in combination with the drawings in the present disclosure. Obviously, the described embodiments are some of the embodiments of the present disclosure, rather than all of them. All other embodiments that are obtained by persons skilled in the art on the basis of the embodiments in the present disclosure without creative labor fall within the scope of protection of the present disclosure.

[0035] Embodiment 1, as shown in FIGS. 1-5 and 10-15, relates to a fan accessory, which comprises an assembly connection plate 100 and a support assembly plate 200, wherein: the assembly connection plate 100 is provided with a detachable connection assembly 110, which is used for detachable connection with a fan body; the support assembly plate 200 is in movable connection with the assembly connection plate 100, and the assembly connection plate 100 can be subjected to rotational adjustment relative to the support assembly plate 200; when the fan body needs to be used, the fan body can be placed or mounted in a fan-to-be-settled area after the support assembly plate 200 is connected to the fan body through the detachable connection assembly 110, and an air discharge angle of the fan body can then be adjusted through relative rotation of the support assembly plate 200 and the assembly connection plate 100. The fan-to-be-settled area can be a desktop, a wall, a golf cart frame, etc. Further, since the assembly connection plate 100 and the support assembly plate 200 are in movable connection, the support assembly plate 200 can be subjected to rotational adjustment relative to the assembly connection plate 100, so that the air discharge angle of the fan body can be flexibly adjusted according to actual needs to meet air supply needs in different environments and improve the convenience in use. Through the detachable connection assembly 110, the assembly connection plate 100 can be easily connected to and disassembled from the fan body, which makes it more convenient to mount and replace the fan body. At the same time, it is applicable to fans with varying models or specifications, thereby improving the compatibility and the range of application.

[0036] In the present embodiment, the assembly connection plate 100 is connected to the support assembly plate 200 through damped articulation, or the assembly connection plate 100 is connected to the support assembly plate 200 through a universal flexible shaft. Further, articulation mounting portions 600 are arranged on both the assembly connection plate 100 and the support assembly plate 200, and an articulated shaft 610 in damping cooperation with an articulation mounting portion 600 is arranged inside the articulation mounting portion 600. The damped articulation applies certain damping resistance to the assembly connection plate 100 during rotation, which avoids accidental changes in angle as caused by gravity or wind, and improves the smoothness and stability in adjustment. Specifically, as the assembly connection plate 100 and the support assembly plate 200 are connected through the universal flexible shaft, the assembly connection plate 100 can be adjusted in multiple directions, which increases the degree of freedom and enables the application in different usage scenarios.

[0037] In the present embodiment, a connection mounting portion 210 for detachable connection with a mounting member 300 is arranged on one side of the support assembly plate 200, which side is distal from the assembly connection plate 100. Further, the connection mounting portion 210 comprises at least two hanging holes 211; the mounting member 300 comprises hanging pins or an adhesive plate 310 that match(es) the hanging holes 211; one side of the adhesive plate 310 is used for adhesion to an external object, and on the other side of the adhesive plate 310, hook portions 320 that match the hanging holes 211 are arranged. During use, the hanging pins can be pierced into such an external object as a wall, and then hung into the hanging holes 211, so as to achieve the purpose of hanging the support mounting plate 200. Alternatively, one side of the adhesive plate 310 is adhered to such an object as a wall, and then the hook portions 320 are hung into the hanging holes 211, so as to achieve the purpose of hanging the support mounting plate 200. A baffle plate 321 that prevents the hanging pins or the hook portion from colliding with the assembly connection plate is arranged on one side of the hanging holes 211, which side is proximal to the assembly connection plate 100. Specifically, hanging the support mounting plate 200 through the hanging pins is applicable in scenarios with walls, which is relatively hard or into which holes are allowed to be drilled, such as concrete walls or wooden walls, thereby realizing the stability and reliability, and making it not easy to fall off. Hanging the support mounting plate 200 through the adhesive plate 310 is suitable for glass, tiles, or walls into which holes are not allowed to be drilled, and has the advantages of punch-free mounting, avoiding wall damage, and facilitating disassembly and position change.

[0038] In the present embodiment, the detachable connection assembly 110 comprises a groove 111 that is arranged on one side of the assembly connection plate 100, which side is proximal to the support assembly plate 200. A guide portion 112 and a clamping slot 113 are arranged on a groove bottom of the groove 111.

[0039] A waist fan is constructed to comprise a fan accessory. A clamping member 400 for clamping a clothes hem and / or a trouser waist is arranged on one side of the waist fan. The clamping member 400 comprises a clamping body 410 and a clamping head 420. During assembly, the clamping head 420 is clamped in the clamping groove 113 under the action of the guide portion 112. The clamping body 410 is located in the groove 111. Further, multiple clamping members 400 and multiple clamping grooves 113 can be arranged to correspond to each other.

[0040] In the present embodiment, a damped rotating disk 500 that can drive the clamping member 400 to rotate relative to the waist fan is arranged on one side of the waist fan, so that the air discharge angle of the fan at the air outlet is adjustable and the air supply is more accurate.

[0041] Embodiment 2, referring to FIGS. 6-9 and 16-17, differs from Example 1 in that: the connection mounting portion 210 comprises multiple first connecting holes 212 that run through two opposite sides of the assembly connection plate 100; the mounting portion 300 comprises an adjustable fastening connection member, which comprises a connecting plate 331 and a fastening member 332 that is arranged on the connecting plate 331; on the assembly connection plate 100, second connecting holes 333 that run through two opposite sides thereof and match the first connecting hole 212 are arranged; bolts can pass through the second connecting holes 333 and the first connecting holes 212 and then be connected with nuts, so as to connect the connection mounting portion 210 with the assembly connection plate 100; alternatively, the first connecting holes 212 are arranged to have internal threads, and bolts pass through the second connecting holes 333 and then match the internal threads, so as to connect the connection mounting portion 210 with the assembly connection plate 100; multiple first limit insertion holes are arranged on the periphery of the first connecting holes 212, multiple second limit insertion holes are arranged on the periphery of the second connecting hole 333, and limit columns can be inserted into the first limit insertion holes and the second limit insertion holes, so as to avoid mutual rotation of the assembly connection plate 100 and the adjustable fastening connection member.

[0042] In the present embodiment, the fastening member 332 comprises a mounting plate 332.1 and a fastening plate 332.2 opposite to the mounting plate 332.1; an elastic fastening column 332.3 that matches the fastening plate 332.2 to fasten a target to be fastened is arranged on the mounting plate 332.1; a fastening head 332.32 is arranged on one end of the elastic fastening column 332.3, which end is proximal to the fastening plate 332.2; the fastening plate 332.2 is made of elastic materials. Further, a fastening head 332.32 is arranged on one end of the fastening column; after the target to be fastened is inserted into a gap between the fastening column and the fastening plate 332.2, the fastening head 332.32 together with the fastening plate 332.2 can produce a fastening effect to prevent loosening the target; the target to be fastened can be a product with a strip structure, such as a golf cart frame or a bed frame. In the present embodiment, a fastening head 332.32 is arranged on one end of the elastic fastening column 332.3, which end is proximal to the fastening plate 332.2; the fastening plate 332.2 comprises an inverted V-shaped fastening portion 332.21 that matches the fastening head 332.32 to increase the strength of the target to be fastened, which can further realizes uniform force distribution after the fastening head 332.32 is clamped, and prevents loosening or slipping due to long-term use; the V-shaped structure provides a certain resilience force, which can keep tight when an external force is applied, and enhance the fastening effect.

[0043] Embodiment 3 differs from Embodiment 2 in that: on the mounting plate 332.1, an adjusting threaded hole that runs through two opposite sides thereof is arranged; the adjusting threaded hole is in threaded connection with the elastic fastening column 332.3; when the adjustable fastening connection member needs to be connected to the target to be fastened, the target to be fastened can be placed in a gap between the elastic fastening column 332.3 and the fastening plate 332.2, and then the elastic fastening column 332.3 can be rotated to adjust the magnitude of the gap between the elastic fastening column 332.3 and the fastening plate 332.2, so as to achieve the purpose that the elastic fastening column 332.3 matches the fastening plate 332.2 to fasten the target to be fastened.

[0044] Embodiment 4, referring to FIGS. 10-17, differs from Embodiment 1 in that: the detachable connection assembly 110 comprises a disassembly plate 120 that is in plug-in connection with the assembly connection plate 100; a groove 111 is arranged on one side of the disassembly plate 120, which side is proximal to the support assembly plate 200; a guide portion 112 and a clamping groove 113 are arranged at a groove bottom of the groove 111.

[0045] It should be understood that persons skilled in the art can make improvements or transformations on the basis of the above description, and all these improvements and transformations should fall within the scope of protection of the claims attached to the present disclosure.

Examples

Embodiment Construction

[0034]To make the objectives, technical solutions, and advantages of the present disclosure clearer, the technical solutions in the present disclosure will be clearly and completely described below in combination with the drawings in the present disclosure. Obviously, the described embodiments are some of the embodiments of the present disclosure, rather than all of them. All other embodiments that are obtained by persons skilled in the art on the basis of the embodiments in the present disclosure without creative labor fall within the scope of protection of the present disclosure.

[0035]Embodiment 1, as shown in FIGS. 1-5 and 10-15, relates to a fan accessory, which comprises an assembly connection plate 100 and a support assembly plate 200, wherein: the assembly connection plate 100 is provided with a detachable connection assembly 110, which is used for detachable connection with a fan body; the support assembly plate 200 is in movable connection with the assembly connection plate...

Claims

1. A fan accessory, comprising:an assembly connection plate (100), which is provided with a detachable connection assembly (110), wherein the detachable connection assembly (110) is used for detachable connection with a fan body;a support assembly plate (200), which is in movable connection with the assembly connection plate (100), wherein the assembly connection plate (100) is subjected to rotational adjustment relative to the support assembly plate (200);wherein, when the fan body needs to be used, the fan body is placed or mounted in a fan-to-be-settled area after the assembly connection plate (100) is connected to the fan body through the detachable connection assembly (110), and then an air discharge angle of the fan body is adjusted through relative rotation of the support assembly plate (200) and the assembly connection plate (100).

2. The fan accessory according to claim 1, wherein the assembly connection plate (100) is connected to the support assembly plate (200) through damped articulation, or the assembly connection plate (100) is connected to the support assembly plate (200) through a universal flexible shaft.

3. The fan accessory according to claim 1, wherein a connection mounting portion (210) for detachable connection with a mounting member (300) is arranged on one side of the support assembly plate (200), which side is distal from the assembly connection plate (100).

4. The fan accessory according to claim 3, wherein the connection mounting portion (210) comprises at least two hanging holes (211); the mounting member (300) comprises hanging pins or an adhesive plate (310) that match(es) the hanging holes (211); one side of the adhesive plate (310) is used for adhesion to an external object; on the other side of the adhesive plate (310), hook portions 320 that match the hanging holes (211) are arranged.

5. The fan accessory according to claim 3, wherein the connection mounting portion (210) comprises multiple first connecting holes (212) that run through two opposite sides of the assembly connection plate (100); the mounting portion 300 comprises an adjustable fastening connection member, which comprises a connecting plate (331) and a fastening member (332) that is arranged on the connecting plate (331); on the assembly connection plate (100), second connecting holes (333) that run through two opposite sides thereof and match the first connecting hole (212) are arranged.

6. The fan accessory according to claim 5, wherein the fastening member (332) comprises a mounting plate (332.1) and a fastening plate (332.2) opposite to the mounting plate (332.1); an elastic fastening column (332.3) that matches the fastening plate (332.2) to fasten a target to be fastened is arranged on the mounting plate (332.1); a fastening head (332.32) is arranged on one end of the elastic fastening column (332.3), which end is proximal to the fastening plate (332.2); the fastening plate (332.2) is made of elastic materials;or, on the mounting plate (332.1), an adjusting threaded hole that runs through two opposite sides thereof is arranged; the adjusting threaded hole is in threaded connection with the elastic fastening column (332.3); when the adjustable fastening connection member needs to be connected to the target to be fastened, the target to be fastened is placed in a gap between the elastic fastening column (332.3) and the fastening plate (332.2), and then the elastic fastening column (332.3) is rotated to adjust the magnitude of the gap between the elastic fastening column (332.3) and the fastening plate (332.2), so as to achieve the purpose that the elastic fastening column (332.3) matches the fastening plate (332.2) to fasten the target to be fastened.

7. The fan accessory according to claim 6, wherein the fastening plate (332.2) comprises an inverted V-shaped fastening portion (332.21) that matches the fastening head (332.32) to increase the strength of the target to be fastened.

8. The fan accessory according to claim 1, wherein the detachable connection assembly (110) comprises a groove (111) that is arranged on one side of the assembly connection plate (100), which side is proximal to the support assembly plate (200); a guide portion (112) and a clamping slot (113) are arranged on a groove bottom of the groove (111);or, the detachable connection assembly (110) comprises a disassembly plate (120) that is in plug-in connection with the assembly connection plate (100); a groove (111) is arranged on one side of the disassembly plate (120), which side is proximal to the support assembly plate (200); a guide portion (112) and a clamping groove (113) are arranged at a groove bottom of the groove (111).

9. A waist fan, wherein the waist fan comprise the fan accessory according to claim 8; a clamping member (400) for clamping a clothes hem and / or a trouser waist is arranged on one side of the waist fan; the clamping member (400) comprises a clamping body (410) and a clamping head (420); during assembly, the clamping head (420) is clamped in the clamping groove (113) under the action of the guide portion (112); the clamping body (410) is located in the groove (111).

10. The waist fan according to claim 9, wherein a damped rotating disk (500) that drives the clamping member (400) to rotate relative to the waist fan is arranged on one side of the waist fan.

11. The waist fan according to claim 10, wherein the assembly connection plate (100) is connected to the support assembly plate (200) through damped articulation, or the assembly connection plate (100) is connected to the support assembly plate (200) through a universal flexible shaft.

12. The waist fan according to claim 11, wherein a connection mounting portion (210) for detachable connection with a mounting member (300) is arranged on one side of the support assembly plate (200), which side is distal from the assembly connection plate (100).

13. The waist fan according to claim 12, wherein the connection mounting portion (210) comprises at least two hanging holes (211); the mounting member (300) comprises hanging pins or an adhesive plate (310) that match(es) the hanging holes (211); one side of the adhesive plate (310) is used for adhesion to an external object; on the other side of the adhesive plate (310), hook portions 320 that match the hanging holes (211) are arranged.

14. The waist fan according to claim 12, wherein the connection mounting portion (210) comprises multiple first connecting holes (212) that run through two opposite sides of the assembly connection plate (100); the mounting portion 300 comprises an adjustable fastening connection member, which comprises a connecting plate (331) and a fastening member (332) that is arranged on the connecting plate (331); on the assembly connection plate (100), second connecting holes (333) that run through two opposite sides thereof and match the first connecting hole (212) are arranged.

15. The waist fan according to claim 14, wherein the fastening member (332) comprises a mounting plate (332.1) and a fastening plate (332.2) opposite to the mounting plate (332.1); an elastic fastening column (332.3) that matches the fastening plate (332.2) to fasten a target to be fastened is arranged on the mounting plate (332.1); a fastening head (332.32) is arranged on one end of the elastic fastening column (332.3), which end is proximal to the fastening plate (332.2); the fastening plate (332.2) is made of elastic materials;or, on the mounting plate (332.1), an adjusting threaded hole that runs through two opposite sides thereof is arranged; the adjusting threaded hole is in threaded connection with the elastic fastening column (332.3); when the adjustable fastening connection member needs to be connected to the target to be fastened, the target to be fastened is placed in a gap between the elastic fastening column (332.3) and the fastening plate (332.2), and then the elastic fastening column (332.3) is rotated to adjust the magnitude of the gap between the elastic fastening column (332.3) and the fastening plate (332.2), so as to achieve the purpose that the elastic fastening column (332.3) matches the fastening plate (332.2) to fasten the target to be fastened.

16. The waist fan according to claim 15, wherein the fastening plate (332.2) comprises an inverted V-shaped fastening portion (332.21) that matches the fastening head (332.32) to increase the strength of the target to be fastened.

17. The waist fan according to claim 10, wherein the detachable connection assembly (110) comprises a groove (111) that is arranged on one side of the assembly connection plate (100), which side is proximal to the support assembly plate (200); a guide portion (112) and a clamping slot (113) are arranged on a groove bottom of the groove (111);or, the detachable connection assembly (110) comprises a disassembly plate (120) that is in plug-in connection with the assembly connection plate (100); a groove (111) is arranged on one side of the disassembly plate (120), which side is proximal to the support assembly plate (200); a guide portion (112) and a clamping groove (113) are arranged at a groove bottom of the groove (111).