Mounting structure and electrical equipment

Through the installation structure of limit column clamping and elastic latch, the installation problems of cumbersome and insufficient stability of boom-type electrical equipment are solved, and a convenient and efficient installation process and stable connection are achieved.

CN223090322UActive Publication Date: 2025-07-11HUIZHOU NVC OPTOELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202422379900.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-07-11
Estimated Expiration
2034-09-27

AI Technical Summary

Technical Problem

The installation process of existing boom-type electrical equipment is cumbersome, has insufficient stability and is cost-effective, especially the boom of fan lights is easy to shake, and the existing installation structure is complex and there are many parts.

Method used

The installation structure of the limiting column is used to connect to the first through-hole, and the connection between the elastic pin and the coupling plug and the socket is combined to realize simple installation and electrical connection of electrical equipment.

Benefits of technology

It realizes convenient and efficient installation of electrical equipment, reduces production costs, improves installation stability and convenience of use, and simplifies operational processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mounting structure which comprises a hanging seat assembly and a hanging rod assembly, the hanging seat assembly comprises a support, a coupling socket and a hanging seat, the hanging seat is fixedly connected with the support, the hanging seat is provided with a mounting cavity and a first through hole, and the coupling socket is inserted into the mounting cavity; the suspender assembly comprises a suspender, a coupling plug and an elastic bolt piece, the suspender comprises a hollow rod body, a first end part and a second end part, the first end part and the second end part are arranged at two ends of the rod body, the first end part is connected with the electric appliance main body, and the second end part is connected with the coupling plug; the elastic bolt piece is provided with a limiting column capable of elastically shrinking, the elastic bolt piece is arranged on the rod body in a penetrating mode and located below the coupling plug, and the limiting column protrudes out of the rod body; the rod body is inserted into the mounting cavity, the limiting column is clamped in the first through hole, and the coupling plug is connected to the coupling socket. The electric appliance equipment can be installed by clamping the limiting columns into the first through holes, meanwhile, electric connection can be achieved, the installation process is convenient and efficient, and stability is high. The utility model also discloses electrical equipment.
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Description

Technical Field

[0001] The utility model belongs to the technical field of hoisting electrical equipment, and particularly relates to an installation structure and an electrical equipment. Background Art

[0002] At present, for electrical equipment installed by a boom, such as a ceiling fan light, a chandelier, and a ceiling fan, etc., due to the need to perform installation operations in the air, the operable space is relatively limited. Especially for a ceiling fan light with a boom, because the structure is relatively complex, the installation process is very cumbersome. Moreover, since the boom of the ceiling fan light is prone to shaking due to the influence of the fan main body or external factors, the requirement for installation stability is also relatively high.

[0003] In the prior art, through the cooperation of a cross pin, a spring pin, and a screw, the installation of boom-type electrical equipment is realized. Although the installation stability is improved to a certain extent, its installation structure is relatively complex, requires more components, has a high production cost, and the installation process is still relatively cumbersome, with a long installation time, bringing a lot of inconvenience to users. Summary of the Utility Model

[0004] In order to solve the deficiencies of the above-mentioned prior art, the utility model provides an installation structure. By clamping a limit post into a first through hole, the installation of the electrical equipment can be realized, and at the same time, the electrical connection of the electrical equipment can be realized. The installation structure is simple, has a low production cost, the installation operation process is convenient and efficient, and the installation stability is strong. The utility model also provides an electrical equipment.

[0005] The technical effects to be achieved by the utility model are realized through the following technical aspects:

[0006] In a first aspect, the utility model provides an installation structure, including:

[0007] A suspension base assembly, including a bracket, a coupling socket, and a suspension base. The suspension base is fixedly connected to the bracket. The suspension base is provided with an installation cavity and a first through hole, and the coupling socket is inserted into the installation cavity; and

[0008] A boom assembly, including a boom, a coupling plug, and an elastic plug member. The boom includes a hollow rod body, and a first end portion and a second end portion provided at both ends of the rod body. The first end portion is connected to the electrical main body, and the second end portion is connected to the coupling plug; the elastic plug member is provided with an elastically contractible limit post. The elastic plug member penetrates through the rod body and is located below the coupling plug, and the limit post protrudes from the rod body;

[0009] Wherein, the rod body is inserted into the installation cavity, the limit post is clamped into the first through hole, and the coupling plug is connected to the coupling socket.

[0010] In some embodiments, the suspension base is integrally formed with the bracket. The suspension base is provided with an opening at one end away from the coupling socket, and the coupling plug and the second end portion are inserted into the installation cavity through the opening.

[0011] In some embodiments, the suspension base is provided with an inclined groove that extends from the opening towards the first through hole. The inclined groove is used to guide the limiting post to be inserted into the first through hole through the opening.

[0012] In some embodiments, it further includes a fastener. The suspension base is provided with a second through hole, and the rod body is correspondingly provided with a mounting hole. The fastener passes through the second through hole and the end of the fastener abuts against the mounting hole.

[0013] In some embodiments, the center of the second through hole and the center of the first through hole are located on the same plane; the mounting hole is an inverted conical blind hole.

[0014] In some embodiments, the rod body is provided with a third through hole. The elastic plugging member includes a plugging main body and an elastic member disposed inside the plugging main body. The limiting posts are arranged at both ends of the plugging main body through the elastic member, and the limiting posts are elastically contractible and plugged into the third through hole.

[0015] In some embodiments, the coupling plug has a plug end face, and the distance between the plug end face and the center line of the limiting post is H1;

[0016] The coupling socket has a socket bottom face and a socket end face. The distance between the socket bottom face and the center line of the first through hole is H2, and the distance between the socket end face and the center line of the first through hole is H3;

[0017] Wherein, the installation structure has the relationship: H2 < H1 ≤ H3.

[0018] In some embodiments, the coupling plug is provided with a first thread on the outer wall, and the suspension rod is provided with a second thread on the inner wall of the second end portion. The first thread cooperates with the second thread, and the coupling plug is screwed onto the second end portion.

[0019] In a second aspect, the present utility model further provides an electrical appliance device, including an electrical appliance main body and the above-mentioned installation structure. The bracket is provided with a connecting arm, and the connecting arm is fixedly connected to an external installation base;

[0020] The electrical appliance main body is provided with a connecting rod, and the connecting rod is screwed onto the first end portion.

[0021] In some embodiments, it further includes a fixing pin. The hanging rod is provided with a fourth through hole at the first end portion, and the connecting rod is provided with a fifth through hole. The fixing pin passes through the fourth through hole and is fixed in the fifth through hole.

[0022] In summary, the present utility model has at least the following advantages:

[0023] 1. For the installation structure provided by the present utility model, by arranging an elastic plugging member on the rod body, the limiting column is clamped with the first through hole to realize the installation of the electrical equipment. The installation structure is simple, which is beneficial to reducing the production cost. At the same time, since the limiting column can elastically contract, it can retract under external pressure and pop out in the natural state. Therefore, the installation process is simple and easy to operate, and only one hand operation can complete the installation of the electrical equipment, improving the convenience and efficiency of installation, and the installation stability is strong. In addition, the electrical connection of the electrical equipment is realized by the connection of the coupling plug and the coupling socket, further improving the installation convenience of the electrical equipment.

[0024] 2. For the electrical equipment provided by the present utility model, due to the adoption of the above installation structure, the installation convenience of the electrical equipment is improved, the installation efficiency is high, and the installation stability is strong, bringing a better use feeling and experience feeling to users. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is an exploded view of the installation structure of Embodiment 1 of the present utility model;

[0026] Figure 2 is an axonometric view of the hanging seat assembly of Embodiment 2 of the present utility model;

[0027] Figure 3 is a schematic structural view of the fastener, the second through hole and the installation hole of Embodiment 2 of the present utility model;

[0028] Figure 4 is a sectional view of the hanging seat assembly of Embodiment 2 of the present utility model;

[0029] Figure 5 is a schematic structural view of the elastic plugging member and the third through hole of Embodiment 3 of the present utility model;

[0030] Figure 6 is a sectional view of the hanging seat assembly and the hanging rod assembly of Embodiment 3 of the present utility model;

[0031] Figure 7 is a schematic structural view of the first thread and the second thread of Embodiment 3 of the present utility model;

[0032] Figure 8 is an exploded view of the electrical equipment of Embodiment 4 of the present utility model;

[0033] Figure 9 is Figure 8 an enlarged view of part A in

[0034] Figure 10 a schematic structural view of the bracket according to Embodiment 4 of the present utility model.

[0035] Markings in the figure:

[0036] 1. Suspension seat assembly; 11. Bracket; 111. Connecting arm; 12. Coupling socket; 121. Socket bottom surface; 122. Socket end face; 13. Suspension seat; 131. Installation cavity; 132. First through hole; 133. Opening; 134. Inclined groove; 135. Second through hole;

[0037] 2. Suspension rod assembly; 21. Suspension rod; 211. Rod body; 212. First end; 213. Second end; 214. Installation hole; 215. Third through hole; 216. Second thread; 217. Fourth through hole; 22. Coupling plug; 221. Plug end face; 222. First thread; 23. Elastic plug member; 231. Limit post; 232. Plug main body; 233. Elastic member;

[0038] 3. Fastener;

[0039] 100. Electrical appliance main body; 101. Connecting rod; 102. Fifth through hole; 200. Installation structure; 300. Fixed pin. Specific embodiments

[0040] For ease of understanding the present utility model, the present utility model will be described more comprehensively below in conjunction with the accompanying drawings and specific embodiments. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present utility model can be understood more thoroughly and comprehensively.

[0041] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time.

[0042] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0043] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model.

[0044] Embodiment 1

[0045] Reference Figure 1 As shown in the figure, this embodiment provides an installation structure, which includes a suspension base assembly 1 and a suspension rod assembly 2. The suspension base assembly 1 includes a bracket 11, a coupling socket 12 and a suspension base 13. The bracket 11 is used to connect with an external installation base, and the external installation base can be a ceiling or a suspended ceiling, etc. The suspension base 13 is fixedly connected to the bracket 11. An installation cavity 131 is formed inside the suspension base 13, and two relatively positioned first through holes 132 are provided on the side wall of the suspension base 13. The coupling socket 12 is inserted into the installation cavity 131 and fixedly connected to the bracket 11.

[0046] The suspension rod assembly 2 includes a suspension rod 21, a coupling plug 22 and an elastic latch member 23. The suspension rod 21 includes a hollow rod body 211, and a first end portion 212 and a second end portion 213 provided at both ends of the rod body 211. The space inside the rod body 211 can be used to accommodate connection lines. The first end portion 212 is connected to the electrical appliance body, and the second end portion 213 is connected to the coupling plug 22. In this embodiment, the electrical appliance body can be an electrical appliance installed by means of a suspension rod, such as a ceiling fan light, a ceiling fan or a chandelier, etc.

[0047] The two ends of the elastic latch member 23 are provided with elastically contractible limit posts 231. The elastic latch member 23 is horizontally inserted through the rod body 211 and is located below the coupling plug 22, and the limit posts 231 protrude from the rod body 211. The rod body 211 is inserted into the installation cavity 131, the limit posts 231 are clamped in the first through holes 132, and the coupling plug 22 is connected to the coupling socket 12.

[0048] It can be understood that the two ends of the elastic latch member 23 are provided with limit posts 231 that can elastically contract. The limit posts 231 can retract under the action of an external force and pop out in the natural state. When the rod body 211 is inserted into the installation cavity 131, the limit posts 231 first abut against the inner side wall of the installation cavity 131. Under the restriction of the inner side wall of the installation cavity 131, the limit posts 231 are in a retracted state under the action of an external force; when the rod body 211 is inserted to a position where the limit posts 231 correspond to the first through hole 132, the limit posts 231 pop out because they are no longer restricted by the inner side wall of the installation cavity 131 and are clamped in the first through hole 132, completing the connection between the suspension seat assembly 1 and the suspension rod assembly 2. The installation process is simple and convenient, and has high installation efficiency and strong stability. At the same time, the installation structure is simple, which is conducive to reducing production costs.

[0049] While the suspension rod and the suspension seat are mechanically connected, the coupling plug 22 and the coupling socket 12 are electrically connected. Specifically, the coupling socket 12 is electrically connected to an external power supply, and the coupling plug 22 is electrically connected to an electrical device. The electrical connection of the electrical device can be realized through the coupling connection between the coupling socket 12 and the coupling plug 22. When the limit post 231 is clamped in the first through hole 132, the coupling socket 12 is also exactly connected to the coupling plug 22, eliminating the wiring step during the installation of the electrical device. The installation process is convenient and fast, and only one person's operation can complete the installation of the electrical device, saving manpower and having high installation efficiency.

[0050] Since the limit post 231 is telescopic, when it is necessary to disassemble the suspension seat assembly 1 and the suspension rod assembly 2, only need to pull the suspension rod assembly 2 forcefully to make the limit post 231 disengage from the first through hole 132, and the disassembly process is also very convenient and efficient. In addition, setting the first through hole 132 can also realize the visualization of the installation state of the elastic latch member 23, and can timely confirm whether the limit post 231 is accurately aligned and clamped in the first through hole 132, ensuring the accuracy and firmness of the installation and guaranteeing the installation quality.

[0051] The installation structure of this embodiment realizes the connection between the suspension seat assembly and the suspension rod assembly by setting an elastic latch member on the rod body and making the limit post clamped in the first through hole, thereby completing the installation of the electrical device. The installation structure is simple and the production cost is low; because the limit post is telescopic, it can retract under external pressure and pop out in the natural state. Therefore, the installation and disassembly processes are simple and easy to operate, and only one hand operation can complete the installation or disassembly of the electrical device, improving the convenience and efficiency of installation, and having strong installation stability; at the same time, the electrical connection of the electrical device is realized through the coupling connection between the coupling socket and the coupling plug, eliminating the wiring step during the installation of the electrical device, improving the use convenience of the installation structure, effectively saving manpower, and having high installation efficiency.

[0052] Embodiment 2

[0053] As a further optimization of Embodiment 1, on the basis of Figure 1 , referring to Figures 2 to 4 , the hanging seat 13 is integrally formed on the bracket 11. An opening 133 is provided at one end of the hanging seat 13 away from the coupling socket 12. The coupling plug 22 and the second end portion 213 are inserted into the installation cavity 131 through the opening 133, and the rod body 211 is inserted through the opening 133.

[0054] Furthermore, the hanging seat 13 is provided with an inclined slot 134. The inclined slot 134 extends from the opening 133 towards the first through hole 132. The inclined slot 134 is used to guide the limiting post 231 to be inserted into the first through hole 132 through the opening 133. In some embodiments, the inclined slot 134 starts from the opening 133 and ends at the position of the first through hole 132, and the depth of the inclined slot 134 changes from deep to shallow from the opening 133 to the first through hole 132, so that the limiting post 231 can move along the opening 133 to the position of the first through hole 132 under the guiding action of the inclined slot 134 and be clamped in the first through hole 132. The setting of the inclined slot 134 can ensure that the first through hole 132 plays its limiting role while guiding the limiting post 231 into the first through hole 132. In other embodiments, the inclined slot 134 can also start from the opening 133 and end between the opening 133 and the first through hole 132, that is, it does not completely penetrate between the opening 133 and the first through hole 132.

[0055] It should be noted that the installation structure further includes a fastener 3. In this embodiment, the fastener 3 is a screw. The hanging seat 13 is provided with a second through hole 135, and the rod body 211 is correspondingly provided with a mounting hole 214. The fastener 3 is threadedly connected to the second through hole 135, and the end of the fastener 3 passes through the second through hole 135 and abuts against the mounting hole 214. It can be understood that when the limiting post 231 is clamped in the first through hole 132, the second through hole 135 just corresponds to the position of the mounting hole 214. At this time, when the fastener 3 is installed, it can further strengthen the connection between the hanging seat 13 and the rod body 211. By the abutment of the fastener 3 against the mounting hole 214, the relative position between the hanging seat 13 and the rod body 211 can be further restricted, making the connection between the hanging seat assembly 1 and the hanging rod assembly 2 more stable, thereby improving the installation stability of the electrical equipment.

[0056] Furthermore, the center of the second through hole 135 and the center of the first through hole 132 are located on the same plane. This can improve the balance of the connection part between the hanging seat assembly 1 and the hanging rod assembly 2, further improve the connection stability between the hanging seat assembly 1 and the hanging rod assembly 2, and thus improve the stability of the installation structure.

[0057] The mounting hole 214 is an inverted conical blind hole. Setting the mounting hole 214 as an inverted conical blind hole can guide the fastener 3 to slide along the side wall of the blind hole to the bottom of the blind hole, ensuring that the fastener 3 is in place in contact with the blind hole. At the same time, it can also play a certain limiting role on the fastener 3, making the connection between the rod body 211, the fastener 3 and the hanging seat 13 more stable, and further improving the installation stability of the electrical equipment.

[0058] In the mounting structure of this embodiment, by providing the inclined groove, it can guide the limiting post into the first through hole, making the installation process more accurate and efficient; by providing the mounting hole on the rod body, and making the fastener abut against the mounting hole, it can further strengthen the connection relationship between the hanging seat assembly and the hanging rod assembly, thereby improving the installation stability of the electrical equipment; by setting the mounting hole as an inverted conical blind hole, it can guide the fastener into the blind hole to achieve rapid abutment, further improving the installation efficiency.

[0059] Embodiment 3

[0060] As a further optimization of Embodiment 1, on the basis of Figure 1 , referring to Figures 5 to 7 , the rod body 211 is provided with a third through hole 215. The elastic plug member 23 includes a plug main body 232 and an elastic member 233 provided in the plug main body 232. The limiting posts 231 are arranged at both ends of the plug main body 232 through the elastic member 233, and the limiting posts 231 are elastically contractible and inserted into the third through hole 215. It can be understood that during installation, first press the elastic plug member 23 into the inside of the rod body 211, and the limiting posts 231 retract under the restriction of the inner side wall of the rod body 211. When the elastic plug member 23 is pressed into the position of the third through hole 215, the limiting posts 231 pop out and pass through the third through hole 215, being exposed outside the rod body 211, completing the installation of the elastic plug member 23; then, insert the rod body 211 installed with the elastic plug member 23 into the hanging seat 13, so that the limiting posts 231 are clamped in the first through hole 132, and the connection between the hanging seat assembly 1 and the hanging rod assembly 2 can be completed, thereby realizing the installation of the electrical equipment.

[0061] In this embodiment, the coupling plug 22 has a plug end face 221, and the distance between the plug end face 221 and the center line of the limiting post 231 is H1; the coupling socket 12 has a socket bottom face 121 and a socket end face 122, the distance between the socket bottom face 121 and the center line of the first through hole 132 is H2, and the distance between the socket end face 122 and the center line of the first through hole 132 is H3. Among them, the mounting structure has the following relational expression: H2 < H1 ≤ H3. Thus, it can ensure that the coupling socket 12 is connected in place with the coupling plug 22, guaranteeing the stability of the electrical connection of the electrical equipment.

[0062] The coupling plug 22 is provided with a first thread 222 on its outer wall, and the hanging rod 21 is provided with a second thread 216 on the inner wall of the second end 213. The first thread 222 cooperates with the second thread 216 to screw the coupling plug 22 onto the second end 213. During installation, first connect the circuit of the electrical device to the coupling plug 22, then install the elastic plug member 23 on the hanging rod 21, and then screw the coupling plug 22 onto the second end 213.

[0063] Embodiment 4

[0064] Based on Figures 1 to 7 and referring to Figures 8 to 10 , this embodiment provides an electrical device, including an electrical main body 100 and the installation structure 200 of Embodiment 1, Embodiment 2 or Embodiment 3. The electrical main body 100 can be a main body device installed by a hanging rod, such as a ceiling fan light, a ceiling fan or a chandelier. In this embodiment, the electrical main body 100 is a ceiling fan light main body. The bracket 11 is provided with a connecting arm 111, and the connecting arm 111 is fixedly connected to an external installation base. The external installation and fixing base can be a ceiling or a suspended ceiling, etc. In this embodiment, the connecting arm 111 extends from two opposite sides of the bracket 11 in a direction away from the hanging seat 13.

[0065] The electrical main body 100 is provided with a connecting rod 101, and the connecting rod 101 is provided with a threaded structure. The connecting rod 101 is screwed onto the first end 212. The electrical device further includes a fixing pin 300. The hanging rod 21 is provided with a fourth through hole 217 at the first end 212, and the connecting rod 101 is provided with a fifth through hole 102. The fixing pin 300 passes through the fourth through hole 217 and is fixed in the fifth through hole 102. By providing the fixing pin 300, it can further limit the connection between the connecting rod 101 and the hanging rod 21, effectively preventing the connecting rod 101 from being unscrewed from the first end 212 and causing looseness between the electrical device and the hanging rod 21, and ensuring the connection stability between the electrical device and the hanging rod 21.

[0066] The electrical device of this embodiment improves the installation convenience of the electrical device by adopting the installation structure, and has high installation efficiency and strong installation stability, bringing a better use feeling and experience feeling to users.

[0067] The above content is only an example and description of the structure of the present invention, and its description is relatively specific and detailed, but it cannot be understood as a limitation on the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these obvious replacement forms all belong to the protection scope of the present invention.

Claims

1. An installation structure, characterized in that, Comprising: A suspension base assembly, including a bracket, a coupling socket, and a suspension base. The suspension base is fixedly connected to the bracket. The suspension base is provided with an installation cavity and a first through hole, and the coupling socket is inserted into the installation cavity; And A suspension rod assembly, including a suspension rod, a coupling plug, and an elastic latch member. The suspension rod includes a hollow rod body, and a first end portion and a second end portion provided at both ends of the rod body. The first end portion is connected to the electrical appliance main body, and the second end portion is connected to the coupling plug; The elastic latch member is provided with an elastically contractible limiting post, and the elastic latch member passes through the rod body and is located below the coupling plug, and the limiting post protrudes from the rod body; Wherein, the rod body is inserted into the installation cavity, the limiting post is clamped in the first through hole, and the coupling plug is connected to the coupling socket.

2. The installation structure according to claim 1, characterized in that, The suspension base is integrally formed with the bracket. The suspension base is provided with an opening at one end away from the coupling socket, and the coupling plug and the second end portion are inserted into the installation cavity through the opening.

3. The installation structure according to claim 2, characterized in that, The suspension base is provided with an inclined groove, and the inclined groove extends from the opening towards the first through hole. The inclined groove is used to guide the limiting post to be inserted into the first through hole through the opening.

4. The installation structure according to claim 1, characterized in that, It further includes a fastener. The suspension base is provided with a second through hole, and the rod body is correspondingly provided with a mounting hole. The fastener passes through the second through hole and the end of the fastener abuts against the mounting hole.

5. The mounting structure according to claim 4, characterized in that The center of the second through hole and the center of the first through hole are located on the same plane; The mounting hole is an inverted conical blind hole.

6. The installation structure according to claim 1, wherein, The rod body is provided with a third through hole. The elastic latch member includes a latch body and an elastic member provided inside the latch body. The limiting posts are arranged at both ends of the latch body through the elastic member, and the elastically contractible limiting posts are inserted into the third through hole.

7. The mounting structure according to claim 6, characterized in that, The coupling plug has a plug end face, and the distance between the plug end face and the center line of the limiting post is H1; The coupling socket has a socket bottom face and a socket end face. The distance between the socket bottom face and the center line of the first through hole is H2, and the distance between the socket end face and the center line of the first through hole is H3; Wherein, the installation structure has the relationship: H2 < H1 ≤ H3.

8. The installation structure according to claim 7, characterized in that The coupling plug is provided with a first thread on the outer wall, and the suspension rod is provided with a second thread on the inner wall of the second end portion. The first thread cooperates with the second thread, and the coupling plug is screwed onto the second end portion.

9. An electrical device, characterized in that, Including an electrical appliance main body, and the installation structure according to any one of claims 1-8. The bracket is provided with a connecting arm, and the connecting arm is fixedly connected to an external installation base; The electrical appliance main body is provided with a connecting rod, and the connecting rod is screwed onto the first end portion.

10. The electrical device according to claim 9, characterized in that, It further includes a fixing pin. The suspension rod is provided with a fourth through hole at the first end portion, and the connecting rod is provided with a fifth through hole. The fixing pin passes through the fourth through hole and is fixed in the fifth through hole.