CN210928270U - Electrical equipment shell - Google Patents

Abstract

The utility model provides an electrical apparatus shell, this electrical apparatus shell includes: a housing having oppositely disposed inner and outer surfaces; a Mylar film disposed on an inner surface of the housing; the limiting structure comprises a first limiting part and a second limiting part, the first limiting part is arranged on the shell, the second limiting part is detachably arranged on the first limiting part, and the second limiting part is matched with the first limiting part so as to limit the position of the Mylar film on the shell. Through the technical scheme that this application provided, can solve the fixed insecure problem of wheat pulling-on piece among the prior art.

Description

Electrical equipment shell

Technical Field

The utility model relates to an electrical apparatus technical field particularly, relates to an electrical apparatus shell.

Background

Currently, in order to ensure the insulation performance of an electrical device, mylar sheets are arranged on an electrical device shell. Wherein, the Mylar is provided with a gum and is attached on the shell of the electric appliance through the gum.

However, in the prior art, since the electronic components inside the electrical device generate a large amount of heat during operation, the gum of the mylar film may be degummed under the baking of the heat generated by the electronic components. Therefore, the Mylar film is not firmly fixed in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electrical appliance shell to solve the fixed insecure problem of wheat pulling-on piece among the prior art.

The utility model provides an electrical apparatus shell, electrical apparatus shell includes: a housing having oppositely disposed inner and outer surfaces; a Mylar film disposed on an inner surface of the housing; the limiting structure comprises a first limiting part and a second limiting part, the first limiting part is arranged on the shell, the second limiting part is detachably arranged on the first limiting part, and the second limiting part is matched with the first limiting part so as to limit the position of the Mylar film on the shell.

Further, the first limiting part comprises a positioning pin, the positioning pin is arranged on the inner surface of the shell, a mounting hole is formed in the mylar sheet and corresponds to the positioning pin, the second limiting part comprises a pin cap, and the pin cap is detachably sleeved on the positioning pin.

Furthermore, a limiting groove is formed in the locating pin, the limiting groove is arranged along the circumferential direction of the locating pin, a limiting boss is arranged on the pin cap, the limiting boss is arranged along the circumferential direction of the inner wall of the pin cap, and the limiting groove is matched with the limiting boss to limit displacement of the Mylar film in the axial direction of the locating pin.

Further, the pin cap has the accommodation hole, and the locating pin is located the accommodation hole, and the one end that is close to the Mylar piece of pin cap is with Mylar piece looks butt.

Furthermore, the upper end face of the positioning pin is provided with a first chamfer, and the lower end face of the limiting boss is provided with a second chamfer.

Further, the electrical appliance shell comprises a plurality of limiting structures, and the limiting structures are arranged between the shell and the Mylar film at intervals.

Furthermore, the upper end face of the pin cap is of a closed structure, the lower end face of the pin cap is of an open structure, and the pin cap is sleeved on the positioning pin through the open structure.

Further, electrical apparatus shell still includes the elastic layer, and the elastic layer setting is worn to establish in the mounting hole through interference fit's mode between the outer wall of locating pin and the inner wall of mounting hole.

Further, the pin cap comprises a main body and a limiting layer which are connected with each other, the limiting layer is arranged in the main body, the limiting boss is arranged on the limiting layer, and the limiting layer is made of elastic materials.

Further, the electrical appliance shell also comprises a heat conducting fin which is arranged on the shell.

Use the technical scheme of the utility model, this electrical apparatus shell includes casing, wheat pulling-on piece and limit structure. Wherein the Mylar film is disposed on an inner surface of the housing. Specifically, the limiting structure comprises a first limiting part and a second limiting part, the first limiting part is arranged on the shell, and the second limiting part is detachably arranged on the first limiting part. When the mylar sheet needs to be fixed by the limiting structure, the second limiting part is arranged on the first limiting part, and the second limiting part and the first limiting part can be matched to limit the position of the mylar sheet on the shell. By adopting the structure, the limiting structure is a mechanical fixing structure, the Mylar film is fixed by the mechanical fixing structure, and the firmness of the Mylar film on the shell can be improved.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows an exploded view of an electrical enclosure provided by the present invention;

fig. 2 shows a partial enlarged view of the electrical appliance housing provided by the present invention;

FIG. 3 shows a schematic structural view of the locating pin of FIG. 2;

fig. 4 shows a schematic structural view of the pin cap of fig. 2.

Wherein the figures include the following reference numerals:

10. a housing;

20. mylar;

30. a limiting structure; 31. positioning pins; 311. a limiting groove; 312. a first chamfer; 32. a pin cap; 321. a limiting boss; 321a, a second chamfer; 322. an accommodation hole; 323. a main body; 324. and a limiting layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 4, an embodiment of the present invention provides an electrical appliance housing, which includes a housing 10, a mylar sheet 20, and a limiting structure 30. The casing 10 has an inner surface and an outer surface which are oppositely arranged, and the Mylar film 20 is arranged on the inner surface of the casing 10, so that the Mylar film 20 can be protected by the casing 10, and the appearance of the device can be improved. Specifically, the limiting structure 30 includes a first limiting member and a second limiting member, the first limiting member is disposed on the casing 10, and the second limiting member is detachably disposed on the first limiting member. The limiting structure 30 has a limiting state and an avoiding state which are relatively arranged, when the second limiting member is arranged on the first limiting member, the limiting structure 30 is in the limiting state, at this time, the second limiting member is matched with the first limiting member, the position of the mylar sheet 20 on the casing 10 can be limited, when the second limiting member is detached from the first limiting member, the limiting structure 30 is in the avoiding state, and at this time, the mylar sheet 20 can be disassembled and assembled.

By applying the electrical appliance housing provided in this embodiment, the first limiting member is disposed on the housing 10, and the second limiting member is detachably disposed on the first limiting member, so that when the mylar sheet 20 needs to be fixed by the limiting structure 30, the second limiting member and the first limiting member can be used to cooperate with each other to limit the position of the mylar sheet 20 on the housing 10. And, because limit structure is mechanical fixed knot structure, utilizes mechanical fixed knot structure to fix the wheat pulling-on piece, can not appear among the prior art the gum of wheat pulling-on piece and drop and lead to the phenomenon of fixed inefficacy to can promote the fastness of wheat pulling-on piece on the casing, guarantee the ann's rule requirement of device. Moreover, as no back adhesive is arranged on the Mylar film 20, the Mylar film 20 can be directly contacted with the shell 10, and the heat dissipation effect in the device can be better under the condition of effective insulation.

The first limiting part can be set as a stud, the second limiting part can be set as a nut, the Mylar film 20 can be fixed in a stud and nut matched mode, the first limiting part can also be set as a positioning pin, the second limiting part can be set as a pin cap, and the Mylar film 20 can be fixed in a positioning pin and pin cap matched mode.

In this embodiment, the first limiting member includes the positioning pin 31, and the positioning pin 31 is disposed on the inner surface of the casing 10, and the mylar sheet 20 is provided with a mounting hole, and the mounting hole is disposed corresponding to the positioning pin 31, so that the positioning pin 31 can be inserted into the mounting hole, and in the process of installing the mylar sheet 20 to the casing 10, the positioning pin 31 can be used to position and guide the mylar sheet 20, which has the advantage of being convenient for assembly. Specifically, locating pin 31 sets up on the internal surface of casing 10 through riveting or welded mode, can guarantee like this that locating pin 31 can not leak in casing 10 when realizing that locating pin 31 is fixed, can promote the pleasing to the eye effect of device outward appearance. The second limiting part comprises a pin cap 32, the pin cap 32 is detachably sleeved on the positioning pin 31, and the positioning pin 31 and the pin cap 32 are matched to fix the Mylar film 20.

In order to limit the position of the pin cap 32 on the positioning pin 31, the pin cap 32 can be limited by matching a limiting boss and a limiting groove, or the pin cap 32 can be limited by matching a thread. Specifically, one of the positioning pin 31 and the pin cap 32 is provided with a limiting groove, the other of the positioning pin 31 and the pin cap 32 is provided with a limiting boss, and the position of the pin cap 32 on the positioning pin 31 can be limited by matching the limiting groove and the limiting boss, so that the axial displacement of the mylar sheet 20 on the positioning pin 31 can be limited. In other embodiments, external threads may be provided on the locating pin 31 and internal threads may be provided on the pin cap 32.

In this embodiment, a limiting groove 311 is formed in the positioning pin 31, the limiting groove 311 is formed in the circumferential direction of the positioning pin 31, a limiting boss 321 is formed in the pin cap 32, the limiting boss 321 is formed in the circumferential direction of the inner wall of the pin cap 32, and the limiting groove 311 is matched with the limiting boss 321 to limit the displacement of the mylar sheet 20 in the axial direction of the positioning pin 31. Specifically, the limiting groove 311 is disposed in the middle of the positioning pin 31, and the limiting boss 321 is disposed in the middle of the pin cap 32.

The pin cap 32 has a receiving hole 322, the positioning pin 31 is located in the receiving hole 322, and one end of the pin cap 32 close to the mylar sheet 20 abuts against the mylar sheet 20. Adopt above-mentioned structure, can hide locating pin 31 inside round pin cap 32, both can reduce the shared installation volume of locating pin 31 and round pin cap 32, can utilize round pin cap 32 to shelter from locating pin 31 again, can further promote the aesthetic property of the wholeness of device and outward appearance. In the present embodiment, the receiving hole 322 is a through hole, the receiving hole 322 is disposed along the axial direction of the pin cap 32, after the pin cap 32 is disposed on the positioning pin 31, one end of the pin cap 32 close to the mylar sheet 20 abuts against the mylar sheet 20, and the end surface of one end of the pin cap 32 far from the mylar sheet 20 is flush with the upper end surface of the positioning pin 31. Specifically, the positioning pin 31 is cylindrical, and the receiving hole 322 of the pin cap 32 is a circular hole, so that when the pin cap 32 is mounted on the positioning pin 31, the assembling direction of the pin cap 32 does not need to be considered, and the advantage of convenient assembly is provided.

In other embodiments, the upper end surface of the pin cap 32 may be a closed structure, the lower end surface of the pin cap 32 may be an open structure, and the pin cap 32 is sleeved on the positioning pin 31 through the open structure. With the above structure, the upper end surface of the pin cap 32 is provided with a closed structure, after the pin cap 32 is sleeved on the positioning pin 31, one end of the pin cap 32 close to the mylar sheet 20 is abutted to the mylar sheet 20, and the positioning pin 31 is completely hidden in the accommodating hole 322 of the pin cap 32, so that only the pin cap 32 can be seen, and the integrity and the appearance of the device can be further improved.

To further facilitate the assembly of the pin cap 32, the upper end surface of the positioning pin 31 is provided with a first chamfer 312, and the lower end surface of the stopper boss 321 is provided with a second chamfer 321 a. With the above structure, when the pin cap 32 is assembled to the positioning pin 31, the first chamfer 312 and the second chamfer 321a can guide the pin cap 32, and the pin cap 32 is prevented from being scratched by the positioning pin 31.

In this embodiment, the electrical apparatus shell includes a plurality of limit structure 30, and a plurality of limit structure 30 intervals set up between casing 10 and wheat pulling-on piece 20, and so usable a plurality of limit structure 30 carry on spacingly to wheat pulling-on piece 20 simultaneously, can further promote wheat pulling-on piece 20's fastness. Specifically, the position of the positioning pin 31 needs to avoid the area with a large height dimension of the electronic element on the power panel, and is uniformly distributed, and in order to ensure the fixing effect, the distance between two adjacent limiting structures 30 needs to be set within 150 mm.

Specifically, electrical apparatus shell still includes the elastic layer, and the elastic layer setting is worn to establish in the mounting hole through interference fit's mode between the outer wall of locating pin 31 and the inner wall of mounting hole by locating pin 31. With the above structure, in the process of installing the mylar tab 20 in the casing 10, the positioning pin 31 is inserted into the mounting hole, and since the elastic layer is arranged between the outer wall of the positioning pin 31 and the inner wall of the mounting hole, the radial displacement of the mylar tab 20 on the positioning pin 31 can be limited, and after the pin cap 32 is assembled on the positioning pin 31, the pin cap 32 and the positioning pin 31 can be used for matching to limit the axial displacement of the mylar tab 20 on the positioning pin 31, so that the mylar tab 20 is fixed.

In this embodiment, the pin cap 32 is made of plastic material, so that the pin cap 32 can be easily assembled and disassembled on the positioning pin 31.

In other embodiments, the pin cap 32 may be configured to include a body 323 and a retaining layer 324 coupled to each other, the retaining layer 324 being disposed within the body 323, the retaining boss 321 being disposed on the retaining layer 324, the retaining layer 324 being made of an elastomeric material, and the body 323 being made of a rigid material. By adopting the structure, the pin cap 32 can be conveniently assembled and disassembled on the positioning pin 31, and the rigidity requirement of the pin cap 32 can be ensured.

In order to improve the heat dissipation effect of the device, the housing of the electrical appliance further includes a heat conducting fin, and the heat conducting fin is disposed on the housing 10. Specifically, the heat-conducting strip sets up between casing 10 and wheat pulling-on piece 20, and after the inside heat transfer of device was gone up to wheat pulling-on piece 20, on the accessible heat-conducting strip transferred casing 10, can utilize the heat-conducting strip to promote heat transfer efficiency to can avoid the heat at the inside gathering of device.

Through the device that this embodiment provided, utilize limit structure 30 to carry on spacingly to wheat pulling-on piece 20, can effectively solve the problem that wheat pulling-on piece 20 gum became invalid, can promote the fastness of wheat pulling-on piece 20 on casing 10, have simple structure, be convenient for assembly, the reliability is high and fix a position accurate advantage.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An appliance housing, comprising:

a housing (10) having oppositely disposed inner and outer surfaces;

a Mylar film (20) disposed on an inner surface of the case (10);

the limiting structure (30) comprises a first limiting part and a second limiting part, the first limiting part is arranged on the shell (10), the second limiting part is detachably arranged on the first limiting part, and the second limiting part is matched with the first limiting part to limit the position of the Mylar film (20) on the shell (10).

2. The electric appliance shell according to claim 1, characterized in that the first limiting member comprises a positioning pin (31), the positioning pin (31) is disposed on the inner surface of the shell (10), the Mylar piece (20) is provided with a mounting hole, the mounting hole is disposed corresponding to the positioning pin (31), and the second limiting member comprises a pin cap (32), and the pin cap (32) is detachably sleeved on the positioning pin (31).

3. The appliance housing according to claim 2, wherein a limiting groove (311) is provided on the positioning pin (31), the limiting groove (311) is provided along a circumferential direction of the positioning pin (31), a limiting boss (321) is provided on the pin cap (32), the limiting boss (321) is provided along a circumferential direction of an inner wall of the pin cap (32), and the limiting groove (311) is matched with the limiting boss (321) to limit a displacement of the Mylar piece (20) in an axial direction of the positioning pin (31).

4. The appliance housing according to claim 2, characterized in that the pin cap (32) has a receiving hole (322), the positioning pin (31) being located in the receiving hole (322), an end of the pin cap (32) close to the mylar tab (20) abutting the mylar tab (20).

5. The electrical appliance shell as recited in claim 3, wherein the upper end surface of the positioning pin (31) is provided with a first chamfer (312), and the lower end surface of the limit boss (321) is provided with a second chamfer (321 a).

6. The appliance casing according to claim 1, characterized in that it comprises a plurality of said retention structures (30), said retention structures (30) being arranged at intervals between the casing (10) and the mylar sheet (20).

7. The electrical appliance shell as recited in claim 2, wherein the upper end surface of the pin cap (32) is a closed structure, the lower end surface of the pin cap (32) is an open structure, and the pin cap (32) is sleeved on the positioning pin (31) through the open structure.

8. The appliance housing according to claim 2, further comprising an elastic layer disposed between the outer wall of the positioning pin (31) and the inner wall of the mounting hole, wherein the positioning pin (31) is inserted into the mounting hole by interference fit.

9. The appliance casing according to claim 3, wherein the pin cap (32) comprises a main body (323) and a stopper layer (324) connected to each other, the stopper layer (324) being arranged within the main body (323), the stopper boss (321) being arranged on the stopper layer (324), the stopper layer (324) being made of an elastic material.

10. The electrical enclosure according to claim 1, further comprising a heat conducting sheet disposed on the housing (10).

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