Protective part and electrical equipment

Abstract

The utility model provides a protection part and electrical equipment, and relates to the technical field of electrical equipment. The protection part is used for the electrical equipment, the electrical equipment comprises a shell, a wire passing hole is formed in the shell, the protection part comprises a protection part body, the protection part body is provided with a first opening, a second opening and a wiring channel communicating the first opening with the second opening, and the first opening is opposite to the inner wall of the wire passing hole. The inner diameter of the second opening is smaller than that of the first opening. According to the protection piece, the first opening in the protection piece body is controlled to be opposite to the inner wall of the wire passing hole, the inner diameter of the second opening is smaller than the inner diameter of the first opening, and therefore the inner diameter of the second opening is smaller than the inner diameter of the wire passing hole, and a finger cannot penetrate through the second opening; the arrangement of the protection member can effectively prevent the fingers from directly touching the live part in the housing, thereby improving the safety performance of the electrical equipment with the protection member.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electrical equipment, and in particular to a protection piece and an electrical equipment. BACKGROUND

[0002] The internal layout of the electrical equipment ensures that all live components (such as terminal) are safely packaged in the body, and are usually connected to the outside world only through the ventilation holes and the wire passing holes. The ventilation holes are mainly for airflow, and the aperture can be designed to be small enough to prevent fingers from reaching the live components inside the equipment, thereby effectively isolating the live components and protecting the safety of the operators. The wire passing holes are mainly used for the passage of wires, and the size of the wire passing holes needs to balance the practicability and cable protection, that is, the wire passing holes need to be wide enough to ensure the smooth passage of the cables and avoid wear and tear caused by small apertures, and the apertures also need to be as small as possible to avoid the safety problem of contacting the live components caused by large apertures.

[0003] In order to avoid the safety problem caused by the large wire passing hole, in the related art, the live components in the body are usually arranged in an area far away from the wire passing hole, so as to ensure that the fingers cannot touch the live components even in extreme cases. Although the safety is improved, the internal space utilization efficiency of the equipment is reduced, the passing cables need to be lengthened, the design and manufacturing materials of the case also need to be increased accordingly, and thus the costs of the case and the cables are both increased. CONTENT OF THE INVENTION

[0004] Therefore, the purpose of the present application is to provide a protection piece and an electrical equipment.

[0005] The technical scheme adopted by the present application to solve the above technical problems is as follows:

[0006] In a first aspect, the present application provides a protection piece for an electrical equipment, the electrical equipment comprising a shell, the shell being provided with a wire passing hole, the protection piece comprising a protection piece body, the protection piece body being provided with a first opening, a second opening, and a wire passing channel connecting the first opening and the second opening, the first opening being arranged opposite to the inner wall of the wire passing hole, and the inner diameter of the second opening being smaller than the inner diameter of the first opening.

[0007] In some embodiments of the present application, the inner diameter of the second opening is not greater than 10 mm.

[0008] In some embodiments of the present application, the length between the first opening and the second opening in the direction of the wire passing channel is not higher than 80 mm.

[0009] In some embodiments of the present application, the side wall of the wire passing channel has a mesh structure, and the mesh structure comprises a plurality of side holes, the inner diameter of the side holes being equal to or smaller than the inner diameter of the second opening.

[0010] In some embodiments of the present application, the guard body is in the shape of a circular truncated cone.

[0011] In some embodiments of the present application, the guard body is flexible.

[0012] In some embodiments of the present application, the guard further comprises a first connecting portion connected to the periphery of the first opening, for cooperating with the wire hole.

[0013] In a second aspect, the embodiments of the present application further provide an electrical device comprising the above-mentioned guard.

[0014] In some embodiments of the present application, the electrical device further comprises a housing, and the housing is provided with a wire hole, and the inner wall of the wire hole is provided with a second connecting portion, for cooperating with the first opening of the guard body.

[0015] In some embodiments of the present application, the guard is located inside the housing, or the guard is located outside the housing.

[0016] In summary, due to the adoption of the above technical solutions, the present application at least has the following beneficial effects:

[0017] The guard provided by the present application controls the relative arrangement of the first opening on the guard body and the inner wall of the wire hole, and the inner diameter of the second opening is smaller than the inner diameter of the first opening, so that the inner diameter of the second opening is smaller than the inner diameter of the wire hole, thereby making it impossible for a finger to pass through the second opening. When the finger is inserted from the first opening towards the second opening, even if it enters the wire channel through the first opening, it is also difficult to pass through the second opening to contact the live component inside the housing. When the finger is inserted from the second opening towards the first opening, it will be limited by the second opening with a smaller inner diameter and it is difficult to enter the wire channel. The arrangement of the guard can effectively prevent the finger from directly touching the live component inside the housing, thereby improving the safety performance of the electrical device with the guard. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings described below only relate to some embodiments of the present application, but not limit the present application, wherein:

[0019] Figure 1 FIG. 1 is a structural schematic view of a guard provided by an embodiment of the present application;

[0020] Figure 2 FIG. 2 is a structural schematic view of the guard provided by the embodiment of the present application from another perspective;

[0021] Figure 3 FIG. 3 is a structural schematic view of another guard provided by an embodiment of the present application;

[0022] Figure 4 A structural schematic view of a shell of an electrical device provided by an embodiment of the present application;

[0023] Figure 5 A structural schematic view of a cooperation structure of a shell and a protective member of an electrical device provided by an embodiment of the present application;

[0024] Figure 6 A structural schematic view of a cooperation structure of a shell and a protective member of another electrical device provided by an embodiment of the present application.

[0025] Explanation of reference signs:

[0026] 100 - electrical device;

[0027] 10 - protective member; 11 - first opening; 111 - first connecting part; 12 - second opening; 13 - side hole;

[0028] 20 - shell; 21 - back wall; 22 - bottom wall; 221 - wire passing hole; 222 - second connecting part; 23 - mounting beam; 231 - wiring terminal; 24 - left wall; 25 - right wall. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, any other embodiments obtained by a person skilled in the art without creative work fall within the scope of protection of the present application.

[0030] In the description of the present application, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0031] In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration." Any implementation described as exemplary in this application is not necessarily to be construed as preferred or advantageous over other implementations. The following description is presented for purposes of illustrating the application. Details of the application can be modified in various respects, by one skilled in the art without departing from the scope of the application. In the following description, for purposes of explanation, specific nomenclature is set forth to provide a thorough understanding of the application. It will be apparent to one skilled in the art, however, that the application can be practiced without the use of this specific nomenclature. In other instances, well-known structures and processes are not described in detail in order to avoid obscuring the application.

[0032] To facilitate understanding of the solutions of the present application, the spline curves and arrows used in the reference signs in the drawings are described as follows: the components indicated by the spline curves without arrows are solid components, i.e., components having a solid structure; and the components indicated by the spline curves with arrows are virtual components, i.e., components having no solid structure.

[0033] In a first aspect, referring to Figure 1 and Figure 2 , the embodiments of the present application provide a protective piece 10 of a novel structure for an electrical device 100, the electrical device 100 comprising a housing 20, the housing 20 being provided with a wire passing hole 221, the protective piece 10 comprising a protective piece body, the protective piece body being provided with a first opening 11, a second opening 12, and a wire passing channel communicating the first opening 11 and the second opening 12, the first opening 11 being arranged opposite to the inner wall of the wire passing hole 221, and the inner diameter of the second opening 12 being smaller than the inner diameter of the first opening 11.

[0034] It should be noted that the cross section of the second opening 12 and the first opening 11 along the extending direction of the wire passing channel can be circular, elliptical, square, sector, or any other shape, the inner diameter of the first opening 11 refers to the distance of a line segment connecting any two points of the first opening 11 passing through the center of the first opening 11, and similarly, the inner diameter of the second opening 12 refers to the distance of a line segment connecting any two points of the second opening 12 passing through the center of the second opening 12.

[0035] It can be understood that the first opening 11 is arranged opposite to the inner wall of the wire passing hole 221, the outer diameter of the first opening 11 is smaller than or equal to the inner diameter of the wire passing hole 221, and the inner diameter of the second opening 12 is smaller than the inner diameter of the first opening 11, in other words, the inner diameter of the second opening 12 is smaller than the inner diameter of the wire passing hole 221.

[0036] The protective piece 10 provided in the present application is characterized in that the first opening 11 is arranged opposite to the inner wall of the wire hole 221 on the protective piece body, the inner diameter of the second opening 12 is smaller than the inner diameter of the first opening 11, the inner diameter of the second opening 12 is smaller than the inner diameter of the wire hole 221, so that the finger cannot pass through the second opening 12, when the finger extends from the first opening 11 to the second opening 12, it is difficult to enter the inside of the shell 20 to contact the live component through the second opening 12 even if it enters the wire channel through the first opening 11, when the finger extends from the second opening 12 to the first opening 11, it is difficult to enter the wire channel due to the small inner diameter of the second opening 12, the arrangement of the protective piece 10 can effectively prevent the finger from directly contacting the live component in the inside of the shell 20, thereby improving the safety performance of the electrical equipment 100 with the protective piece 10.

[0037] In some embodiments of the present application, the shape of the protective piece body is a circular truncated cone. In other words, the first opening 11 and the second opening 12 are both circular, and the wire hole 221 is usually circular, which is more conducive to the shape adaptation of the first opening 11 and the wire hole 221, and is also conducive to the power cord passing through the first opening 11 and the second opening 12. It should be noted that the shape of the protective piece 10 refers to the shape formed by the first opening 11 as the horizontal plane and the wire channel and the second opening 12 naturally falling under the action of gravity.

[0038] In some embodiments of the present application, the inner diameter d of the second opening 12 is not greater than 10 mm. It should be noted that the width of an adult's finger is about 10 mm to 25 mm, and in household appliances and other electrical equipment 100, the wire diameter of the power cord is usually not greater than 6 mm, and most of them are not greater than 3 mm, so the power cord can smoothly pass through the protective piece 10 and the wire hole 221 to enter the inside of the shell 20 and be electrically connected with the terminal 231, while the finger is difficult to pass through the second opening 12 of the protective piece 10, thereby reducing the risk of electric shock caused by the finger touching the terminal 231 after passing through the wire hole 221.

[0039] It can be understood that the outer diameter of the first opening 11 is smaller than or equal to the inner diameter of the wire hole 221, which can be set according to the inner diameter of the wire hole 221.

[0040] In some embodiments of the present application, the length h between the first opening 11 and the second opening 12 in the direction of the wire channel is not higher than 80 mm. It should be noted that the length between the first opening 11 and the second opening 12 in the present application is the length of the center line of the protective piece 10 between the first opening 11 and the second opening 12. In this way, the length h between the first opening 11 and the second opening 12 is small, which is conducive to reducing the production cost of the protective piece 10, reducing the occupied space of the protective piece 10, and shortening the distance from the wire hole 221 to the terminal 231 to save the material of the shell 20.

[0041] In some embodiments of the present application, the sidewall of the wire channel has a mesh structure. Further, the mesh structure includes a plurality of side holes 13, and the inner diameter of the side holes 13 is equal to or smaller than the inner diameter of the second opening 12. It can be understood that the number of power supply wires generally passing through the wire passing hole 221 is multiple, and when the second opening 12 with a smaller inner diameter is arranged, the number of power supply wires passing through the second opening 12 is limited. By arranging the sidewall of the wire channel to have a mesh structure, the power supply wires can also pass through the side holes 13, the wire channel and the first opening 11 to be arranged outside and inside the shell 20. In this way, it can be ensured that multiple power supply wires can pass through the wire passing hole 221, and the inner diameter of the side hole 13 is equal to or smaller than the inner diameter of the second opening 12, so that the finger cannot pass through the side hole 13 to extend into the inside of the shell 20 to touch the terminal 231, thereby reducing the risk of electric shock.

[0042] It should be noted that the inner diameters of the plurality of side holes 13 can be the same or different.

[0043] In some embodiments of the present application, the body of the protective piece is a flexible piece. It should be noted that the material of the protective piece 10 can be bent, but it is difficult to stretch or cannot be stretched. For example, the material of the protective piece 10 can be nylon, cotton thread, polyester fiber, etc. These materials have good flexibility and can be bent arbitrarily, and have certain strength and wear resistance. Specifically, the protective piece 10 is woven from nylon, cotton thread, polyester fiber, etc. When multiple power supply wires pass through the same side hole 13, the shape of the side hole 13 can be adjusted and adapted according to the corresponding power supply wires, so that the power supply wires can pass through smoothly, and these materials are not easy to scratch the power supply wires, thereby avoiding the contact between the power supply wires and the edges of the shell 20 to scratch,

[0044] In some embodiments of the present application, referring to Figure 3 , the protective piece further includes a first connecting portion 111 connected to the periphery of the first opening 11 for cooperating with the wire passing hole 221. Correspondingly, the inner wall of the wire passing hole 221 is provided with a second connecting portion 222 for cooperating with the first opening 11 of the body of the protective piece.

[0045] Specifically, in some embodiments, the first connecting portion 111 can be a first mounting bracket, and the second connecting portion 222 can be a second mounting bracket. The second mounting bracket is welded to the shell 20, and the first mounting bracket and the second mounting bracket are cooperatively connected to realize the connection between the shell 20 and the protective piece 10.

[0046] In other embodiments, the first connecting portion 111 can be a first threaded component, and the second connecting portion 222 can be a second threaded component. The threads of the first threaded component and the threads of the second threaded component cooperate with each other to realize the connection between the shell 20 and the protective piece 10.

[0047] In other embodiments, the first opening 11 of the protective member 10 can also be fixed at the wire hole 221 by means of gluing, buckling, riveting, welding, etc.

[0048] In a second aspect, referring to Figure 4 、 Figure 5 and Figure 6 , the embodiments of the present application provide an electrical device 100 comprising the protective member 10 described above.

[0049] The electrical device 100 provided by the embodiments of the present application can be an air conditioner, an inverter, a motor, etc., which is not limited herein.

[0050] In some embodiments of the present application, the electrical device 100 further comprises a housing 20, and the housing 20 is provided with a wire hole 221. The housing 20 is the shell part of the electrical device 100. The housing 20 is used to provide a mounting space and protect the components installed therein. The housing 20 can be of any shape, such as circular, elliptical, square, parallelogram, etc., which is not limited herein.

[0051] In a specific embodiment, the housing 20 is generally square in structure. The housing 20 comprises a front wall (not shown in the figure), a rear wall 21, a bottom wall 22, a mounting beam 23 arranged in parallel with the bottom wall 22, and a left wall 24 and a right wall 25, and the wire hole 221 is arranged on the bottom wall 22. One end of the left wall 24 and the right wall 25 is fixedly connected with two end portions of the bottom wall 22 respectively, and the other end of the left wall 24 and the right wall 25 extends towards the direction where the mounting beam 23 is located. One end of the mounting beam 23 is fixedly connected with the left wall 24, and the other end of the mounting beam 23 is fixedly connected with the right wall 25.

[0052] It should be noted that in some embodiments, the mounting beam 23 can be the top wall of the housing 20, and the front wall, the rear wall 21, the top wall, the mounting beam 23, the left wall 24 and the right wall 25 jointly enclose the mounting cavity of the housing 20. In other embodiments, the housing 20 further comprises a top wall, and the front wall, the rear wall 21, the top wall, the bottom wall 22, the left wall 24 and the right wall 25 jointly enclose the mounting cavity of the housing 20, and the mounting beam 23 is arranged in the mounting cavity.

[0053] It should be further noted that in order to realize the electrical connection between the electrical device 100 and an external device, the housing 20 is provided with a live component such as a terminal 231, the terminal 231 is located on the mounting beam 23, the housing 20 needs to be provided with the wire hole 221, one end of a power line (also referred to as a signal line) is electrically connected with the terminal 231, the other end of the power line extends to the outside of the housing 20 through the wire hole 221 and the protective member 10 and is electrically connected with the outside, thereby realizing the communication of electrical signals.

[0054] In some embodiments of the present application, referring to Figure 5, the protective piece 10 is located inside the shell 20. In other words, the power cord needs to pass through the wire hole 221, the first opening 11, the wire channel, and then pass through the second opening 12 or the side hole 13 to enter the shell 20 and be connected with the terminal 231. In this way, the protective piece 10 does not occupy the space outside the shell 20, is more beautiful, and is located inside the shell 20, avoiding the contact between the protective piece 10 and other components outside the shell 20 to cause abrasion, improving the service life of the protective piece 10. It should be noted that even if the finger passes through the wire hole 221 through the second opening 12 with a large inner diameter, it will be limited by the second opening 12 or the side hole 13 with a small inner diameter and be trapped in the wire channel, and cannot completely pass through the wire channel and contact the terminal 231 to cause electric shock.

[0055] In some other embodiments of the present application, please refer to Figure 6 , the protective piece 10 is located outside the shell 20. In other words, the power cord needs to enter the wire channel through the second opening 12 or the side hole 13, and then enter the shell 20 through the first opening 11 and the wire hole 221 to be connected with the terminal 231. The protective piece 10 is a flexible piece, which does not occupy too much packaging even if it is located outside the shell 20, and the finger cannot pass through the second opening 12 and the side hole 13 with a small inner diameter, that is, cannot pass through the first wire hole 221 to enter the shell 20, even if the distance between the terminal 231 and the wire hole 221 is close, the finger is also difficult to touch the terminal 231. In this way, the material of the power cord and the shell 20 can be saved, the length of the power cord can be shortened, and the volume of the shell 20 can be reduced.

[0056] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the detailed description of other embodiments above, which will not be repeated here.

[0057] The above has described the basic concept, and it is obvious that the above detailed disclosure is only taken as an example and does not constitute a limitation on the present application. Although it is not explicitly stated here, those skilled in the art can make various modifications, improvements and corrections to the present application. Such modifications, improvements and corrections are suggested in the present application, so such modifications, improvements and corrections still belong to the spirit and scope of the exemplary embodiments of the present application.

[0058] Each and every patent, patent application, patent application publication, and other material, such as articles, books, specifications, publications, documents, and the like, referenced herein are hereby incorporated herein by reference in their entirety for the teachings and purposes for which they are presented herein, except that the reference is not to be construed as limiting the scope of the application to the specific teachings or purposes of the reference. To the extent that any meaning or definition of a term in this document conflicts with that of a referenced document, the meaning or definition of the term in this document prevails.

Claims

1. A guard for an electrical apparatus, said electrical apparatus comprising a housing, said housing having a line entry aperture formed therein, characterised in that, The protection member comprises a protection member body, the protection member body is provided with a first opening, a second opening and a wire channel communicating the first opening and the second opening, the first opening is arranged opposite to the inner wall of the wire hole, and the inner diameter of the second opening is smaller than the inner diameter of the first opening.

2. The shield of claim 1, wherein, The inner diameter of the second opening is not greater than 10 mm.

3. The shield of claim 1, wherein, The length between the first opening and the second opening in the direction of the wire channel is not higher than 80 mm.

4. The shield of claim 1, wherein, The side wall of the wire channel has a mesh structure, the mesh structure comprises a plurality of side holes, and the inner diameter of the side hole is equal to or smaller than the inner diameter of the second opening.

5. The shield of claim 1, wherein, The shape of the protection member body is a circular truncated cone.

6. The shield of claim 1, wherein, The protection member body is a flexible member.

7. The shield of claim 1, wherein, The protection member further comprises a first connecting portion, the first connecting portion is connected to the circumferential side of the first opening, and is used for being connected with the wire hole.

8. An electrical device, characterized by The electrical equipment comprises the protection member according to any one of claims 1 to 7.

9. The electrical device of claim 8, wherein, The electrical equipment further comprises a shell, the shell is provided with a wire hole, the inner wall of the wire hole is provided with a second connecting portion, and the second connecting portion is used for being connected with the first opening of the protection member body.

10. The electrical device of any of claims 8-9, wherein, The protection member is located inside the shell, or the protection member is located outside the shell.

Images