CN220139602U - Mobile phone shell - Google Patents

Abstract

The utility model provides a mobile phone shell, and relates to the technical field of mobile phone peripheral products. Wherein, a cell-phone shell includes: one side of the shell is provided with an accommodating space with an opening and is used for clamping a mobile phone, and the side, opposite to the opening, of the shell is provided with a first surface; the back adhesive tape comprises a first adhesive layer, at least one iron sheet and a first outer layer which are sequentially laminated on the first surface along a first direction, wherein one side of the first outer layer, which is away from the shell, is provided with a first plane which is parallel to the first surface and is matched with the contour shape of the first surface, the at least one iron sheet is respectively and uniformly arranged parallel to the first surface, and the distance between each iron sheet and the first surface in the first direction is equal; wherein the first direction is perpendicular to the first surface. The technical scheme of the utility model can solve the technical problem that the daily use handfeel of the mobile phone is affected due to the fact that the magnetic part of the mobile phone shell with the magnetic function protrudes out of the surface of the mobile phone shell.

Description

Mobile phone shell

Technical Field

The utility model relates to the technical field of mobile phone peripheral products, in particular to a mobile phone shell.

Background

With the development of communication, mobile phones are becoming an indispensable item in people's life. The mobile phone shell extended from the mobile phone also becomes a popular product in the market. And with the improvement of the living standard of people, automobiles are becoming more popular, and many automobiles are provided with vehicle-mounted supports for placing mobile phones.

The existing commercial vehicle-mounted mobile phone support is roughly divided into a clamping support and a magnetic support, and the clamping support is limited by a mechanical structure and can be damaged after long-time use; the magnetic type mobile phone support is convenient to use, and the mobile phone can be fixed only by adsorbing the mobile phone on the support through magnetic force, so that the magnetic type mobile phone support has a good market.

When the magnetic type vehicle-mounted mobile phone support is used, because the production process of the mobile phone is upgraded, the mobile phone shell is mostly made of glass materials, so that the adsorption capacity of the magnet to the mobile phone body is reduced, and the magnetic type vehicle-mounted mobile phone support matched with the mobile phone shell and having the adsorption capacity of the magnet is required to complete the magnetic type fixation of the mobile phone. However, most of the commercially available mobile phone cases with the magnetic attraction function have complex structures, and the parts attracted by the magnets protrude from the surface of the mobile phone case, so that the use hand feeling of the mobile phone is seriously affected during daily use. Therefore, how to improve the structure of the mobile phone shell so that the magnetically attracted part on the mobile phone shell does not affect the daily use experience of the mobile phone is a technical problem to be solved.

Disclosure of Invention

The embodiment of the utility model aims to provide a mobile phone shell so as to solve the technical problem that the magnetic part of the mobile phone shell with the magnetic function on the market protrudes out of the surface of the mobile phone shell to influence the using hand feeling of the mobile phone.

In order to solve the technical problems, the embodiment of the utility model provides the following technical scheme:

the utility model provides a mobile phone shell, which comprises: one side of the shell is provided with an accommodating space with an opening and is used for clamping a mobile phone, and the side, opposite to the opening, of the shell is provided with a first surface; the back adhesive tape comprises a first adhesive layer, at least one iron sheet and a first outer layer which are sequentially laminated on the first surface along a first direction, wherein one side of the first outer layer, which is away from the shell, is provided with a first plane which is parallel to the first surface and is matched with the contour shape of the first surface, the at least one iron sheet is respectively and uniformly arranged parallel to the first surface, and the distance between each iron sheet and the first surface in the first direction is equal; wherein the first direction is perpendicular to the first surface.

In some variant embodiments of the utility model, the contour shape of the first glue layer is adapted to the contour shape of the first surface; the back adhesive plaster further comprises: the second outer layer is provided with a second surface attached to the first adhesive layer and a third surface opposite to the second surface, the outline shapes of the second surface and the third surface are respectively matched with the outline shape of the first surface, the second outer layer is provided with at least one embedded groove corresponding to the at least one iron sheet one by one along the first direction, and each iron sheet is internally arranged in the corresponding embedded groove.

In some variant embodiments of the utility model, the contour shape of each iron sheet is adapted to the contour shape of the cross section of its corresponding embedded groove perpendicular to the first direction.

In some variations of the utility model, the thickness dimension of each iron sheet is no greater than the depth dimension of its corresponding embedded groove in the first direction.

In some variations of the utility model, the backing adhesive further comprises: the second adhesive layer is attached to the third surface, and the outline shape of the second adhesive layer is matched with the outline shape of the third surface; and the filling inner layer is attached to one side, away from the third surface, of the second adhesive layer, and the filling inner layer is provided with a second plane which is parallel to the third surface and is adaptive to the contour shape.

In some variations of the utility model, the backing adhesive further comprises: and the third adhesive layer is attached to the second plane, the outline shape of the third adhesive layer is matched with the outline shape of the second plane, and one side of the first outer layer, which is away from the first plane, is attached to one side of the third adhesive layer, which is away from the second plane.

In some modified embodiments of the present utility model, the number of the iron pieces and the insert grooves is one, respectively.

In some variations of the utility model, the embedded groove is open in the middle of the second outer layer.

In some modified embodiments of the present utility model, the outline shape of the iron piece is circular.

In some variations of the present utility model, the first, second and third glue layers are made of TPU material; and/or the shell and the filling inner layer are made of PC material; and/or the first outer layer is made of leather material; and/or the second outer layer is made of a hard fibrous material.

Compared with the prior art, the mobile phone shell comprises the shell and the back adhesive, wherein one side of the shell is provided with the containing space with the opening for clamping the mobile phone, the side, away from the opening, of the shell is provided with the first surface, the back adhesive is attached to the first surface through the first adhesive layer, one side, away from the shell, of the back adhesive is provided with the first plane which is parallel to the first surface and is matched with the first surface in outline, at least one iron sheet is embedded between the first adhesive layer and the first outer layer of the back adhesive, the mobile phone support with the magnetic attraction function can absorb the mobile phone shell provided by the utility model through the at least one iron sheet embedded in the back adhesive, the first plane of the back adhesive can be guaranteed to be parallel to the first surface of the shell through the at least one iron sheet embedded in the back adhesive, the mobile phone shell can be matched with the commercially available general magnetic attraction support with the first surface in outline, and the first outer layer of the back adhesive can be enabled to be not protruded to affect the daily touch feeling of the mobile phone because the first plane with the first surface with the magnetic attraction function is enabled to be not protruded. The mobile phone shell provided by the embodiment of the utility model can solve the technical problem that the magnetic attraction part of the mobile phone shell with the magnetic attraction function protrudes out of the surface of the mobile phone shell to influence the using hand feeling of the mobile phone.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, wherein like or corresponding reference numerals indicate like or corresponding parts, there are shown by way of illustration, and not limitation, several embodiments of the utility model, in which:

FIG. 1 schematically illustrates a schematic view of an angled exploded view of a cell phone case provided by an embodiment of the present utility model;

FIG. 2 schematically illustrates a schematic view of another angled exploded view of a cell phone case provided by an embodiment of the present utility model;

fig. 3 schematically shows a schematic view of the structure of a mobile phone case provided by an embodiment of the present utility model;

fig. 4 schematically shows a schematic diagram of a cross-sectional view of the structure of a mobile phone case provided by an embodiment of the present utility model;

fig. 5 schematically shows a schematic diagram of a partial structure enlarged view of the part a structure in fig. 4.

Reference numerals illustrate:

1. a housing; 101. an opening; 102. a first surface; 2. backing adhesive tape; 201. a first adhesive layer; 202. a first outer layer; 202a, a first plane; 203. iron sheet; 204. a second outer layer; 204a, a second surface; 204b, a third surface; 204c, an embedded groove; 205. a second adhesive layer; 206. filling an inner layer; 206a, a second plane; 207. a third adhesive layer; x, first direction.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.

Examples

Referring to fig. 1 to 5, an embodiment of the present utility model proposes a mobile phone case, which includes: a housing 1, one side of which is a containing space with an opening 101 and is used for clamping a mobile phone, and one side of the housing 1 opposite to the opening 101 is provided with a first surface 102; and a back adhesive tape 2 comprising a first adhesive layer 201, at least one iron sheet 203 and a first outer layer 202 laminated on the first surface 102 in sequence, wherein one side of the first outer layer 202 facing away from the housing 1 is provided with a first plane 202a parallel to the first surface 102 and adapted to the contour shape of the first surface 102, the at least one iron sheet 203 is uniformly arranged parallel to the first surface 102, and the distance between each iron sheet 203 and the first surface 102 in the first direction X is equal; wherein the first direction X is perpendicular to the first surface 102.

Specifically, the mobile phone shell comprises a shell 1 and a back adhesive tape 2 attached to the shell 1.

Specifically, the housing 1 may be injection molded by an engineering plastic material or a hard plastic material, the housing 1 may also be molded by a glass material with an opening 101 at one side of the housing 1 to form a receiving space for clamping a mobile phone inside the housing 1, and according to the model of clamping the mobile phone, each side of the housing 1 may be machined to form various functional structures during or after molding, including but not limited to: camera hole, earphone hole, charge hole and volume key protruding isotructure.

Specifically, the side of the casing 1 facing away from the opening 101 is the first surface 102, the back adhesive tape 2 includes a first adhesive layer 201, at least one iron sheet 203 and a first outer layer 202 laminated on the first surface 102 in sequence along the direction perpendicular to the first surface 102, the back adhesive tape 2 is attached to the first surface 102 of the casing 1 through the first adhesive layer 201, one side of the first outer layer 202 of the back adhesive tape 2 facing away from the casing 1 has a first plane 202a, and the first plane 202a of the first outer layer 202 is adapted to the contour shape of the first surface 102 of the casing 1 and is parallel to the first surface 102.

Specifically, at least one iron sheet 203 is respectively built in the back adhesive 2 and is uniformly disposed between the first adhesive layer 201 and the first outer layer 202 in parallel to the first surface 102, and a vertical distance between each iron sheet 203 and the first surface 102 is the same.

According to the above-mentioned list, the mobile phone shell provided by the utility model comprises a shell 1 and a back adhesive 2, wherein one side of the shell 1 is provided with an accommodating space with an opening 101 for clamping a mobile phone, one side of the back adhesive 2, which is away from the opening 101, is provided with a first surface 102, a first adhesive layer 201 of the back adhesive 2 is attached to the first surface 102, one side of the back adhesive 2, which is away from the shell 1, is provided with a first plane 202a parallel to the first surface 102 and matched with the first surface 102 in outline, at least one iron sheet 203 is embedded between the first adhesive layer 201 and the first outer layer 202 of the back adhesive 2, the mobile phone support with a magnetic attraction function can adsorb the mobile phone shell provided by the utility model through the at least one iron sheet 203 embedded in the back adhesive 2, the first plane 202a of the back adhesive 2 can be guaranteed to be parallel to the first surface 102 of the shell 1 and the outline shape is adapted, the at least one iron sheet 203 embedded in the back adhesive 2 can be enabled to be matched with the first surface 102 of the mobile phone with a general purpose magnetic attraction mechanism, and the position can be guaranteed not to be parallel to the first surface 102 when the magnetic attraction mechanism is not enabled to be matched with the first surface 102. The mobile phone shell provided by the embodiment of the utility model can solve the technical problem that the magnetic attraction part of the mobile phone shell with the magnetic attraction function protrudes out of the surface of the mobile phone shell to influence the using hand feeling of the mobile phone.

Further, referring to fig. 1 to 5, in the mobile phone case provided in the embodiment of the present utility model, in a specific implementation, the contour shape of the first adhesive layer 201 is adapted to the contour shape of the first surface 102; the backing adhesive 2 further comprises: the second outer layer 204 has a second surface 204a attached to the first adhesive layer 201 and a third surface 204b opposite to the second surface 204a, the profile shapes of the second surface 204a and the third surface 204b are respectively adapted to the profile shape of the first surface 102, at least one embedded groove 204c corresponding to at least one iron sheet 203 one by one is formed in the second outer layer 204 along the first direction X, and each iron sheet 203 is embedded in its corresponding embedded groove 204c.

Specifically, in order to realize that at least one iron sheet 203 is embedded in the back adhesive 2, the technical scheme adopted by the utility model is that the back adhesive 2 further comprises a second outer layer 204. The contour shape of the first adhesive layer 201 of the back adhesive tape 2 is adapted to the contour shape of the first surface 102 to ensure that the first adhesive layer 201 can be completely attached to the first surface 102, the second outer layer 204 has a second surface 204a and a third surface 204b opposite to each other, the second outer layer 204 is attached to the side of the back adhesive tape 2 facing away from the casing 1 through the second surface 204a, and the contour shape of the second surface 204a and the contour shape of the third surface 204b of the second outer layer 204 are respectively adapted to the contour shape of the first surface 102 of the casing 1 to ensure that the second outer layer 204 is completely attached to the first surface 102 through the first adhesive layer 201, so that no gap exists between the casing 1 and the second outer layer 204. The second outer layer 204 is provided with embedded grooves 204c corresponding to at least one iron sheet 203 one by one along the direction perpendicular to the first surface 102, and each iron sheet 203 is arranged in the back adhesive tape 2 through the corresponding embedded groove 204c.

Specifically, the embedded groove 204c may be a through groove or a non-through groove, and when the embedded groove 204c is a through groove, the iron sheet 203 in the embedded groove 204c may be attached to the first surface 102 of the housing 1 through the first adhesive layer 201; when the insertion slot 204c is a non-pass slot, the iron piece 203 may be shifted within its corresponding insertion slot 204c relative to the housing 1, such shifting including, but not limited to: play in a direction perpendicular to the first surface 102 of the housing 1, play in a direction parallel to the first surface 102 of the housing 1, or rotate relative to the housing 1 within its corresponding embedded groove 204c, etc.

Further, referring to the drawings, in the mobile phone case provided in the embodiment of the present utility model, in a specific implementation, the contour shape of each iron piece 203 is adapted to the contour shape of the cross section of its corresponding embedded groove 204c perpendicular to the first direction X.

Specifically, in order to achieve that each iron sheet 203 does not have a significant play in the direction parallel to the first surface 102 of the housing 1 in the corresponding insertion groove 204c, the present utility model adopts a technical solution that the contour box of each iron sheet 203 is adapted to the contour shape of the cross section of its corresponding insertion groove 204c perpendicular to the first direction X, specifically, each iron sheet 203 is embedded in its corresponding insertion groove 204c by interference fit, so as to ensure that when the iron sheet 203 is embedded in its corresponding insertion groove 204c, the iron sheet 203 does not have a significant play in the direction parallel to the first surface 102 relative to the housing 1, and the contour shape of the iron sheet 203 includes, but is not limited to: circular or polygonal.

Further, referring to the drawings, in the mobile phone case provided in the embodiment of the present utility model, in the implementation, the thickness dimension of each iron piece 203 in the first direction X is not greater than the depth dimension of its corresponding embedded groove 204c.

Specifically, in order to achieve no apparent play of each iron sheet 203 relative to its corresponding embedded groove 204c in the first direction X, the present utility model adopts a technical solution that, in the first direction X, the thickness dimension of each iron sheet 203 is not greater than the depth dimension of its corresponding embedded groove 204c, and when each iron sheet 203 is embedded into its corresponding embedded groove 204c, the surface of the side of the iron sheet 203 away from the housing 1 is coplanar with the third surface 204b of the second outer layer 204, so as to ensure that each iron sheet 203 does not have an apparent play relative to its corresponding embedded groove 204c in the first direction X.

Further, referring to fig. 1 to 5, in an embodiment of the present utility model, the mobile phone case, the back adhesive 2 further includes: the second adhesive layer 205 is attached to the third surface 204b, and the contour shape of the second adhesive layer is adapted to the contour shape of the third surface 204 b; and a filling inner layer 206 attached to a side of the second adhesive layer 205 facing away from the third surface 204b, wherein the filling inner layer 206 has a second plane 206a parallel to the third surface 204b and having a contour shape adapted.

Specifically, in order to realize that the contour of the embedded groove 204c or the iron sheet 203 will not affect the use feel of the first plane 202a of the first outer layer 202 after long-term use, in the technical scheme adopted by the present utility model, the back adhesive tape 2 further includes a second adhesive layer 205 and a filling inner layer 206, the filling inner layer 206 is attached to the third surface 204b of the second outer layer 204 through the second adhesive layer 205, wherein, when the contour shape of the second adhesive layer 205 is adapted to the contour shape of the third surface 204b of the second outer layer 204, the contour shape of the filling inner layer 206 is adapted to the contour shape of the second adhesive layer 205, so as to ensure that the filling inner layer 206 is completely attached to the third surface 204b of the second outer layer 204 through the second adhesive layer 205, so that no gap exists between the second outer layer 204 and the filling inner layer 206, and the filling inner layer 206 can be made of hard materials such as engineering plastics, so that one side of the filling inner layer 206 far away from the second adhesive layer 205 forms a second plane 206a parallel to the first surface 102, so as to ensure that the filling inner layer 206 completely covers the embedded groove 204c on the second outer layer 204, and prevent the contour of the embedded groove 204c on the second outer layer 204 from being deformed under the first plane 202 b of the second outer layer 204.

Further, referring to fig. 1 to 5, in an embodiment of the present utility model, the mobile phone case, the back adhesive 2 further includes: the third adhesive layer 207 is attached to the second plane 206a, and the contour shape of the third adhesive layer 207 is adapted to the contour shape of the second plane 206a, and a side of the first outer layer 202 facing away from the first plane 202a is attached to a side of the third adhesive layer 207 facing away from the second plane 206a.

Specifically, in order to achieve the adhesion between the first outer layer 202 and the inner filling layer 206 in the back adhesive tape 2, in the technical scheme adopted by the utility model, the back adhesive tape 2 further comprises a third adhesive layer 207, one side of the third adhesive layer 207 is adhered to the second plane 206a on the inner filling layer 206, the outline shape of the third adhesive layer 207 is matched with the outline shape of the second plane 206a, and one side of the first outer layer 202 facing away from the first plane 202a is adhered to the second surface 204a of the inner filling layer 206 through the third adhesive layer 207, so that the full adhesion between the inner filling layers 206 and the first outer layer 202 is ensured.

Further, referring to fig. 1 to 5, in the mobile phone case according to the embodiment of the present utility model, the number of the iron piece 203 and the insert groove 204c is one in the implementation.

Specifically, in order to realize that when the mobile phone provided by the embodiment of the utility model is used in combination with a commercially available mobile phone support with a magnetic attraction function, the mobile phone can freely rotate on the first plane 202a parallel to the back adhesive 2 of the mobile phone shell, in the technical scheme adopted by the utility model, the number of the iron sheets 203 embedded in the back adhesive 2 of the mobile phone shell is one, and the iron sheets 203 are arranged in the back adhesive 2 through an embedded groove 204c formed in the second outer layer 204. The number of the iron sheet 203 and the number of the embedded grooves 204c are respectively one, so that when the mobile phone shell is adsorbed on the mobile phone support with the magnetic attraction function, the mobile phone can freely rotate on the first plane 202a parallel to the back adhesive tape 2 of the mobile phone shell through manual rotation.

Further, referring to fig. 1 to 5, in the mobile phone case provided in the embodiment of the present utility model, the embedded groove 204c is provided in the middle of the second outer layer 204.

Specifically, in order to realize that no obvious shaking occurs after the mobile phone is adsorbed by the mobile phone shell, in the technical scheme adopted by the utility model, in the back adhesive tape 2, the embedded groove 204c is formed in the middle of the second outer layer 204, so that the iron sheet 203 arranged in the embedded groove 204c is positioned at the central part of the whole mobile phone shell, and when the mobile phone is adsorbed on the mobile phone support by the mobile phone shell, the mobile phone is ensured to be stressed uniformly.

Further, referring to fig. 1 to 5, in the mobile phone case provided in the embodiment of the present utility model, the outline shape of the iron sheet 203 is circular.

Specifically, in order to realize that the magnetic force stressed by the mobile phone shell is uniform when the mobile phone rotates on the mobile phone support through the mobile phone shell, in the technical scheme adopted by the utility model, the outline shape of the iron sheet 203 arranged in the back adhesive tape 2 in the mobile phone shell is circular, and the circular iron sheet 203 can ensure that the magnetic force stressed by the mobile phone shell is uniform when the mobile phone shell rotates on the magnetic mobile phone support.

Further, in the mobile phone case provided in the embodiment of the present utility model, in an implementation, the first adhesive layer 201, the second adhesive layer 205, and the third adhesive layer 207 are made of TPU materials; and/or the housing 1 and the filler inner layer 206 are made of PC material; and/or the first outer layer 202 is made of leather material; and/or the second outer layer 204 is made of a hard fiber material.

Specifically, in order to improve the use feel of the mobile phone shell, in the technical scheme adopted by the utility model, the shell 1 of the mobile phone shell and the filling inner layer 206 in the back adhesive 2 are made of PC materials, wherein the shell 1 can have any color. The first outer layer 202 of the back adhesive 2 of the mobile phone casing may be made of leather material, wherein the first plane 202a of the first outer layer 202 of the back adhesive 2 may have any texture and color. The second outer layer 204 of the back sticker 2 of the mobile phone case may be made of a hard fiber material to reduce the weight of the mobile phone case. The first adhesive layer 201, the second adhesive layer 205 and the third adhesive layer 207 in the back adhesive patch 2 of the mobile phone shell can be made of TPU materials, so that the lamination between the layers in the back adhesive patch 2 and the lamination between the back adhesive patch 2 and the shell 1 can be realized.

It should be noted that, in the description of the present specification, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model; the terms "coupled," "mounted," "secured," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. A cell phone case, comprising:

the mobile phone comprises a shell, a first cover and a second cover, wherein one side of the shell is an accommodating space with an opening and is used for clamping the mobile phone, and one side of the shell opposite to the opening is provided with a first surface; and

the back adhesive tape comprises a first adhesive layer, at least one iron sheet and a first outer layer, wherein the first adhesive layer, the at least one iron sheet and the first outer layer are sequentially laminated on the first surface along a first direction, one side of the first outer layer, which is away from the shell, is provided with a first plane which is parallel to the first surface and is matched with the contour shape of the first surface, the at least one iron sheet is respectively and uniformly arranged parallel to the first surface, and the distance between each iron sheet and the first surface in the first direction is equal;

wherein the first direction is perpendicular to the first surface.

2. The mobile phone housing of claim 1, wherein,

the contour shape of the first adhesive layer is matched with the contour shape of the first surface;

the back adhesive patch further comprises:

the second outer layer is provided with a second surface attached to the first adhesive layer and a third surface opposite to the second surface, the outline shapes of the second surface and the third surface are respectively matched with the outline shape of the first surface, the second outer layer is provided with at least one embedded groove corresponding to the at least one iron sheet one by one along the first direction, and each iron sheet is internally provided with the corresponding embedded groove.

3. A mobile phone housing as claimed in claim 2, characterized in that,

the contour shape of each iron piece is matched with the contour shape of the cross section of the corresponding embedded groove perpendicular to the first direction.

4. A mobile phone housing as claimed in claim 3, characterized in that,

the thickness dimension of each of the iron pieces in the first direction is not greater than the depth dimension of its corresponding embedded groove.

5. The mobile phone housing of claim 4, wherein,

the back adhesive patch further comprises:

the second adhesive layer is attached to the third surface, and the outline shape of the second adhesive layer is matched with the outline shape of the third surface; and

and the filling inner layer is attached to one side, away from the third surface, of the second adhesive layer, and the filling inner layer is provided with a second plane which is parallel to the third surface and is adaptive to the contour shape.

6. The mobile phone housing of claim 5, wherein,

the back adhesive patch further comprises:

and the third adhesive layer is attached to the second plane, the outline shape of the third adhesive layer is matched with the outline shape of the second plane, and one side of the first outer layer, which is away from the first plane, is attached to one side of the third adhesive layer, which is away from the second plane.

7. The mobile phone housing of claim 6, wherein,

the number of the iron sheets and the number of the embedded grooves are respectively one.

8. The mobile phone housing of claim 7, wherein,

the embedded groove is formed in the middle of the second outer layer.

9. The mobile phone housing of claim 8, wherein,

the outline shape of the iron sheet is round.

10. The mobile phone housing according to any of claims 6-9, wherein,

the first adhesive layer, the second adhesive layer and the third adhesive layer are made of TPU materials; and/or

The shell and the filling inner layer are made of PC materials; and/or

The first outer layer is made of leather material; and/or

The second outer layer is made of hard fiber materials.