CN216490632U

CN216490632U - Heat radiation protective shell

Info

Publication number: CN216490632U
Application number: CN202122862024.6U
Authority: CN
Inventors: 张泽武; 李豪
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Ranvoo Technology Co Ltd
Priority date: 2021-02-08
Filing date: 2021-11-19
Publication date: 2022-05-10
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses a heat dissipation protective shell which comprises a protective shell main body and a heat dissipation back plate, wherein the protective shell main body is provided with a mounting hole matched with the heat dissipation back plate, the heat dissipation back plate is fixed in the mounting hole and forms an accommodating cavity together with the protective shell main body, the outer edge of the heat dissipation back plate is provided with a flange, the inner edge of the protective shell main body at the mounting hole is provided with a groove matched with the flange, one of the flange and the groove is provided with a fixing hole, and the other of the flange and the groove is provided with a fixing column matched with the fixing hole. The heat dissipation backplate passes through the flange and the recess is connected with the protective housing main part, and rethread fixed orifices and fixed column cooperation strengthen the bonding strength of heat dissipation backplate and protective housing main part to prevent that heat dissipation backplate and protective housing main part from droing.

Description

Heat radiation protective shell

Technical Field

The utility model relates to the technical field of mobile terminal accessories, in particular to a heat dissipation protective shell.

Background

Nowadays, mobile phones in society become an important tool for people to communicate in daily life, and when people use the mobile phones in daily life, the mobile phones are frequently dropped carelessly, so that the mobile phones are easily damaged, and property loss is caused to users. In order to protect the mobile phone of the user from being scratched or broken, various mobile phone shells come along, but the functions of the mobile phone shells on the market are often single, the outer surfaces of the mobile phone shells are easily worn, the heat dissipation effect is poor, the mobile phone is easy to heat and scald after being used for a long time, and the normal use of the mobile phone is affected. The smart mobile phone can send more heat in long-time use or when running a large amount of programs, and if this part heat can not in time dispel the heat, can cause the cell-phone slow response, reduces the life of battery. Over time, the service performance of the mobile phone is affected, which causes great trouble to the user.

The radiating effect of current heat dissipation protective housing is poor, and the backplate that dispels the heat moreover adopts different materials with the cell-phone casing usually, leads to the backplate that dispels the heat to be connected insecure with the cell-phone casing, and the backplate that dispels the heat drops easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide a heat dissipation protective shell to solve the problem that a heat dissipation back plate in the prior art is easy to fall off.

The purpose of the utility model is realized by the following technical scheme:

the utility model provides a heat dissipation protective shell which comprises a protective shell main body and a heat dissipation back plate, wherein the protective shell main body is provided with a mounting hole matched with the heat dissipation back plate, the heat dissipation back plate is fixed in the mounting hole and forms an accommodating cavity together with the protective shell main body, the outer edge of the heat dissipation back plate is provided with a flange, the inner edge of the protective shell main body at the mounting hole is provided with a groove matched with the flange, one of the flange and the groove is provided with a fixing hole, and the other is provided with a fixing column matched with the fixing hole.

Further, the fixing hole is a through hole or a blind hole formed on the flange.

Further, the flange and the groove are annular and surround the periphery of the heat dissipation back plate.

Furthermore, a fixing adhesive is arranged between the protective shell main body and the heat dissipation back plate, and the fixing adhesive is arranged in the groove and wraps the flange.

Further, the heat dissipation back plate comprises a metal layer, the flange is located at the outer edge of the metal layer and is integrally formed with the metal layer, and the thickness of the flange is smaller than that of the metal layer.

Further, this heat dissipation backplate still includes graphite alkene layer and heat conduction glue film, and this metal level, this graphite alkene layer and this heat conduction glue film stack gradually the setting, and this heat conduction glue film exposes in this chamber that holds, and this metal level is located this heat dissipation backplate and keeps away from this one side that holds the chamber.

Further, the heat dissipation backboard further comprises a copper sheet, and the copper sheet is arranged between the metal layer and the graphene layer.

Furthermore, the metal layer is an aluminum plate and is exposed at one side of the heat dissipation backboard far away from the accommodating cavity.

Further, this protective housing main part includes frame and bottom plate, and this bottom plate is fixed mutually with this heat dissipation backplate, is equipped with the louvre on this bottom plate, and four corners of this frame are equipped with prevents falling the convex part, should prevent falling the outside that the convex part is located this frame.

Furthermore, four corners of the frame are also provided with a damping bag, the damping bag is positioned on the inner side of the frame, and a plurality of damping columns are arranged in the damping bag.

The utility model has the beneficial effects that: the heat dissipation protective housing comprises a protective housing main body and a heat dissipation back plate, the protective housing main body is provided with a mounting hole matched with the heat dissipation back plate, the heat dissipation back plate is mounted in the mounting hole and forms an accommodating cavity together with the protective housing main body, a flange is arranged at the outer edge of the heat dissipation back plate, a groove matched with the flange is formed in the inner edge of the protective housing main body at the mounting hole, one of the flange and the groove is provided with a fixing hole, and the other of the flange and the groove is provided with a fixing column matched with the fixing hole. The heat dissipation backplate passes through the flange and the recess is connected with the protective housing main part, and rethread fixed orifices and fixed column cooperation strengthen the bonding strength of heat dissipation backplate and protective housing main part to prevent that heat dissipation backplate and protective housing main part from droing.

Drawings

Fig. 1 is a front view structural schematic diagram of a heat dissipation protective shell in the utility model;

fig. 2 is a rear view structural schematic diagram of the heat dissipation protective shell of the present invention;

fig. 3 is a schematic cross-sectional view of the heat dissipation protective casing according to the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 3 at A;

fig. 5 is a schematic view of a detachable structure of the heat dissipation protection shell of the present invention;

FIG. 6 is a schematic view of a portion of the enlarged structure at B in FIG. 5;

fig. 7 is a partially enlarged structural view at C in fig. 5.

In the figure: the heat dissipation protective shell 10, the accommodating cavity 101, the protective shell body 11, the mounting hole 111, the frame 112, the shock absorption bag 112a, the buffer column 112b, the anti-falling convex portion 112c, the bottom plate 113, the heat dissipation hole 113a, the camera hole 113b, the groove 111a, the fixing column 111b, the heat dissipation back plate 12, the metal layer 121, the flange 121a, the fixing hole 121b, the copper sheet 122, the graphene layer 123, the heat conductive adhesive layer 124, and the fixing adhesive 13.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the predetermined purpose of the present invention, the following detailed description of the embodiments, structures, features and effects of the heat dissipation protection casing according to the present invention with reference to the accompanying drawings and preferred embodiments is as follows:

fig. 1 is a front view structural diagram of a heat dissipation protective case of the present invention, fig. 2 is a rear view structural diagram of the heat dissipation protective case of the present invention, fig. 3 is a sectional structural diagram of the heat dissipation protective case of the present invention, fig. 4 is a partially enlarged structural diagram at a in fig. 3, fig. 5 is a disassembled structural diagram of the heat dissipation protective case of the present invention, fig. 6 is a partially enlarged structural diagram at B in fig. 5, and fig. 7 is a partially enlarged structural diagram at C in fig. 5.

As shown in fig. 1 to 7, in the heat dissipation protective case 10 provided by the present invention, the heat dissipation protective case 10 is provided with an accommodating cavity 101 for loading a mobile terminal (for example, a mobile phone, a tablet computer, or a palm computer), the heat dissipation protective case 10 includes a protective case main body 11 and a heat dissipation back plate 12, the protective case main body 11 is provided with a mounting hole 111 matched with the heat dissipation back plate 12, the heat dissipation back plate 12 is fixed in the mounting hole 111 and forms the accommodating cavity 101 together with the protective case main body 11, one of an outer edge of the heat dissipation back plate 12 and an inner edge of the protective case main body 11 at the mounting hole 111 is provided with a flange 121a, the other is provided with a groove 111a matched with the flange 121a, one of the flange 121a and the groove 111a is provided with a fixing hole 121b, and the other is provided with a fixing post 111b matched with the fixing hole 121 b.

In this embodiment, the outer edge of the heat dissipating back plate 12 is provided with a flange 121a, the inner edge of the protective case main body 11 at the mounting hole 111 is provided with a groove 111a matched with the flange 121a, the flange 121a is provided with a fixing hole 121b, and the groove 111a is provided with a fixing post 111b matched with the fixing hole 121 b. Of course, in other embodiments, the inner edge of the protective case main body 11 at the mounting hole 111 may be provided with a flange 121a, the outer edge of the heat dissipation back plate 12 is provided with a groove 111a matched with the flange 121a, the flange 121a is provided with a fixing hole 121b, and the groove 111a is provided with a fixing post 111b matched with the fixing hole 121 b; or, the outer edge of the heat dissipation back plate 12 is provided with a flange 121a, the inner edge of the protective case main body 11 at the mounting hole 111 is provided with a groove 111a matched with the flange 121a, the groove 111a is internally provided with a fixing hole 121b, and the flange 121a is provided with a fixing column 111b matched with the fixing hole 121 b; or, a flange 121a is disposed on an inner edge of the mounting hole 111 of the protective case main body 11, a groove 111a engaged with the flange 121a is disposed on an outer edge of the heat dissipation back plate 12, a fixing hole 121b is disposed in the groove 111a, and a fixing post 111b engaged with the fixing hole 121b is disposed on the flange 121 a.

The heat dissipation back plate 12 is connected with the protective shell main body 11 through the flange 121a and the groove 111a, and the combination strength of the heat dissipation back plate 12 and the protective shell main body 11 is enhanced through the matching of the fixing hole 121b and the fixing column 111b, so that the heat dissipation back plate 12 and the protective shell main body 11 are prevented from falling off.

Further, the fixing hole 121b is a through hole or a blind hole provided on the flange 121 a. In the present embodiment, the fixing hole 121b is a through hole (fig. 6), and the fixing post 111b is a cylinder matching with the fixing hole 121 b.

Preferably, the flange 121a and the groove 111a are annular and are disposed around a circumference of the outer edge of the heat dissipation back-plate 12, that is, the flange 121a is disposed around a circumference of the outer edge of the heat dissipation back-plate 12, and the groove 111a is disposed around a circumference of the protective case body 11 at the inner edge of the mounting hole 111.

Further, a fixing glue 13 (fig. 5) is disposed between the protective shell body 11 and the heat dissipation back plate 12, and the fixing glue 13 is disposed in the groove 111a and wraps the flange 121 a. The fixing glue 13 also covers the gap between the fixing hole 121b and the fixing column 111b for increasing the bonding strength between the heat dissipation back plate 12 and the protective case main body 11. The size of the groove 111a may be slightly larger than that of the flange 121a, and the size of the fixing hole 121b is slightly larger than that of the fixing post 111b, so as to facilitate the setting of the fixing glue 13.

Further, the heat dissipation back-plate 12 includes a metal layer 121, and the flange 121a is located at the outer edge of the metal layer 121. The flange 121a and the metal layer 121 are integrally formed, and the thickness of the flange 121a is smaller than that of the metal layer 121, so that the overall thickness of the fixing position of the flange 121a and the groove 111a is reduced, and the thinning design of the heat dissipation protective shell 10 is facilitated. In this embodiment, the metal layer 121 is an aluminum plate, that is, made of pure aluminum or aluminum alloy, so that the heat dissipation protection case 10 is light while good thermal conductivity is ensured. The protective shell main body 11 is made of TPU (Thermoplastic Urethane elastomer), the protective shell main body 11 and the metal layer 121 are fixed by a sleeve-molding process, and the metal layer 121 is exposed on one side of the heat dissipation back plate 12 away from the accommodating cavity 101.

Further, the heat dissipation back plate 12 further includes a copper sheet 122, a graphene layer 123 and a heat conductive adhesive layer 124, the metal layer 121, the copper sheet 122, the graphene layer 123 and the heat conductive adhesive layer 124 are sequentially stacked, and the metal layer 121, the copper sheet 122, the graphene layer 123 and the heat conductive adhesive layer 124 are fixed by an adhesive. The thermal conductive adhesive layer 124 is used for contacting with the mobile terminal, and the metal layer 121 is located on a side of the heat dissipation back plate 12 away from the accommodating cavity 101. Namely, the thermal conductive adhesive layer 124 is closest to the bottom of the accommodating cavity 101, and then the graphene layer 123, the copper sheet 122, and the metal layer 121 are sequentially arranged. The heat-conducting adhesive layer 124 contacts the back of the mobile terminal to conduct heat and absorb shock; the graphene layer 123 can further increase the heat dissipation effect; the copper sheet 122 separates the graphene layer 123 from the metal plate 121, and plays roles of heat conduction and protection.

The heat conductive adhesive layer 124 is preferably a heat conductive silica gel and contains a phase change energy storage material, and the phase change energy storage material is a thermal management material with high heat storage capacity and is made by wrapping a phase change material with a stable matrix. The phase change energy storage material is suitable for being prepared into sheets, and meets the requirements of portable equipment with small size space and light weight. In the phase change process of the phase change energy storage material, not only the appearance shape is not obviously changed, but also a large amount of heat can be absorbed, and further the heat conduction effect of the heat conduction adhesive layer 124 is effectively improved. Wherein, the phase change energy storage material is preferably paraffin. The thermal conductive adhesive layer 124 has a good adhesion performance, and can be fully contacted with the mobile terminal, so that the thermal conductive effect of the mobile terminal is enhanced. The graphene layer 123 is preferably a thin film layer containing graphene powder, and the graphene layer 123 has very good thermal conductivity and can uniformly spread heat on the whole graphene layer 123, thereby reducing local temperature.

Further, the protective case body 11 includes a frame 112 and a bottom plate 113, the bottom plate 113 is fixed to the heat dissipation back plate 12, heat dissipation holes 113a are formed in the bottom plate 113, shock-absorbing pockets 112a are formed in four corners of the frame 112, and the shock-absorbing pockets 112a are located on the inner side of the frame 112. The bottom plate 113 is further provided with a camera hole 113b for accommodating a lens of the mobile terminal, the heat dissipation hole 113a is close to the bottom of the protective shell body 11, the camera hole 113b is close to the top of the protective shell body 11, and the specific position can be set according to the position of the lens on the mobile terminal. The frame 112 is further provided with a through hole for avoiding a mute key and a charging interface of the mobile terminal and a containing groove for containing a volume key and a power-on/off key.

Preferably, the frame 112 and the bottom plate 113 are made of TPU and are integrally formed, so that the processing and the production are convenient. Of course, in other embodiments, the hardness of the bottom plate 113 is greater than that of the frame 112, and the heat dissipation back plate 12 is connected to the frame 112 and the bottom plate 113. The bottom plate 113 is preferably made of hard plastic, so as to enhance the bonding strength between the protective case body 11 and the heat dissipation back plate 12, and prevent the heat dissipation back plate 12 from deforming due to excessive force pulling the heat dissipation protective case 10 when a user takes off the mobile terminal. The frame 112 is preferably made of a flexible plastic, and the frame 112 may be made of a transparent material, so that the frame 112 can be deformed to load the mobile terminal in the receiving cavity 101.

Further, a plurality of cushion columns 112b are provided in the cushion bladder 112a, and the cushion columns 112b partition the cushion bladder 112a into a plurality of cushion chambers, thereby enhancing a cushion effect.

Further, four corners of the frame 112 are further provided with anti-falling convex portions 112c, the anti-falling convex portions 112c are located on the outer side of the frame 112, and the anti-falling convex portions 112c protrude towards the outer side of the frame 112.

In this document, the terms of upper, lower, left, right, front, rear and the like are used to define the positions of the structures in the drawings and the positions of the structures relative to each other, and are only used for the sake of clarity and convenience in technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims. It is also to be understood that the terms "first" and "second," etc., are used herein for descriptive purposes only and are not to be construed as limiting in number or order.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A heat dissipation protective shell is characterized by comprising a protective shell main body and a heat dissipation back plate, wherein the protective shell main body is provided with a mounting hole matched with the heat dissipation back plate, the heat dissipation back plate is fixed in the mounting hole and forms an accommodating cavity together with the protective shell main body, a flange is arranged on the outer edge of the heat dissipation back plate, a groove matched with the flange is arranged on the inner edge of the protective shell main body at the mounting hole, one of the flange and the groove is provided with a fixing hole, and the other is provided with a fixing column matched with the fixing hole.

2. The heat dissipating protective case of claim 1, wherein the fastening holes are through holes or blind holes formed in the flange.

3. The heat dissipating protective case of claim 1, wherein the flange and the recess are annular and surround a perimeter of the heat dissipating backplate.

4. The heat dissipating protective case of claim 1, wherein a fixing adhesive is disposed between the protective case body and the heat dissipating back plate, the fixing adhesive being disposed in the groove and covering the flange.

5. The heat dissipating protective case of claim 1, wherein the heat dissipating backplate comprises a metal layer, the flange is located at an outer edge of the metal layer and is integrally formed with the metal layer, and the thickness of the flange is less than the thickness of the metal layer.

6. The heat dissipation protective case of claim 5, wherein the heat dissipation backplate further comprises a graphene layer and a thermal conductive adhesive layer, the metal layer, the graphene layer and the thermal conductive adhesive layer are sequentially stacked, the thermal conductive adhesive layer is exposed from the accommodating cavity, and the metal layer is located on one side of the heat dissipation backplate away from the accommodating cavity.

7. The heat dissipating protective case of claim 6, wherein the heat dissipating backplate further comprises a copper sheet disposed between the metal layer and the graphene layer.

8. The heat dissipating protective case of claim 5, wherein the metal layer is an aluminum plate and is exposed to a side of the heat dissipating backplate away from the receiving cavity.

9. The heat dissipating protective case of any one of claims 1 to 8, wherein the protective case body comprises a frame and a bottom plate, the bottom plate is fixed to the heat dissipating back plate, the bottom plate is provided with heat dissipating holes, and anti-falling protrusions are disposed at four corners of the frame and located outside the frame.

10. The heat dissipating protective case of claim 9, wherein shock absorbing pockets are disposed at four corners of the frame, the shock absorbing pockets are disposed inside the frame, and a plurality of shock absorbing posts are disposed inside the shock absorbing pockets.