CN210807385U

CN210807385U - Mobile phone shell structure

Info

Publication number: CN210807385U
Application number: CN201921831345.6U
Authority: CN
Inventors: 邓雨眠; 尚育峰
Original assignee: Yumian Innovative Design Shenzhen Co ltd
Current assignee: Yumian Innovative Design Shenzhen Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-19
Anticipated expiration: 2029-10-28

Abstract

The embodiment of the utility model provides a relate to cell-phone accessory technical field, disclose a cell-phone shell structure, include: the mobile phone shell comprises a mobile phone shell body, wherein a first groove is formed in one end of the back of the mobile phone shell body, and a second groove is formed in the other end of the back of the mobile phone shell body; the flexible connecting band, the flexible connecting band includes flexible band, first plug connector and second plug connector, the one end of flexible band with first plug connector is connected, the other end with the second plug connector is connected, the flexible connecting band through with first plug connector peg graft in the first recess, will the second plug connector peg graft in the second recess, with the connection can be dismantled to the cell-phone shell body. In this way, the embodiment of the utility model provides a realized can preventing that the cell-phone from landing from the hand.

Description

Mobile phone shell structure

Technical Field

The embodiment of the utility model provides a relate to cell-phone accessory technical field, concretely relates to cell-phone shell structure.

Background

Along with the continuous development of science and technology, various intelligent devices are also increasingly popularized, wherein the intelligent mobile phone is widely favored by people as a portable intelligent communication device and gradually becomes the daily standard and matching of people, and in order to prevent the mobile phone from being broken, the mobile phone shell is usually sleeved on the mobile phone for protection.

At present, in order to prevent the mobile phone from being broken, a ring buckle is usually added on the back of the mobile phone shell, and a single finger is inserted into the ring buckle during use, so that the mobile phone is prevented from being broken by slipping from the hand of a person, but the finger is easily pressed by the mode, and the finger is injured.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the embodiment of the utility model provides a mobile phone shell structure realizes preventing that the cell-phone landing from breaking in the hand.

According to an aspect of the embodiments of the present invention, there is provided a mobile phone case structure, including: the mobile phone shell comprises a mobile phone shell body, wherein a first groove is formed in one end of the back of the mobile phone shell body, and a second groove is formed in the other end of the back of the mobile phone shell body; the flexible connecting band, the flexible connecting band includes flexible band, first plug connector and second plug connector, the one end of flexible band with first plug connector is connected, the other end with the second plug connector is connected, the flexible connecting band through with first plug connector peg graft in the first recess, will the second plug connector peg graft in the second recess, with the connection can be dismantled to the cell-phone shell body.

In an optional mode, the first plug connector is provided with a first plugging portion, the first plugging portion is matched with the first groove, and the first plug connector is fixed in the first groove in a plugging manner through the first plugging portion; the second plug connector is provided with a second plugging part, the second plugging part is matched with the second groove, and the second plug connector is fixed in the second groove in a plugging manner through the second plugging part; the first inserting part and the second inserting part are the same in size.

In an alternative form, the first and second mating parts are each fan-shaped or T-shaped in cross-section.

In an optional mode, a first protrusion is arranged at one end of the back of the mobile phone shell body, a second protrusion is arranged at the other end of the back of the mobile phone shell body, and the first protrusion and the second protrusion are arranged oppositely; the first groove is arranged on one side of the first bulge facing the second bulge; the second groove is arranged on one side of the second bulge facing the first bulge.

In an optional mode, the first protrusion is further provided with a first clamping groove, the first clamping groove is communicated with the first groove, the first inserting portion is provided with a first button, and when the first inserting portion is inserted into the first groove, the first button is clamped with the first clamping groove.

In an optional mode, the second protrusion is provided with a second clamping groove, the second clamping groove is communicated with the second groove, the second inserting portion is provided with a second button, and when the second inserting portion is inserted into the second groove, the second button is clamped with the second clamping groove.

In an optional mode, the mobile phone shell structure further comprises a first plug, one end of the first plug is provided with a first extending portion, and the first extending portion is connected with the first protrusion; the first bulge is provided with a first clamping groove, and the first clamping groove is communicated with the first groove; the first inserting part is provided with a third clamping groove which is arranged corresponding to the first clamping groove; when the first plug part is plugged in the first groove, the first plug is plugged in the first clamping groove and the third clamping groove.

In an optional mode, the mobile phone shell structure further comprises a second plug, one end of the second plug is provided with a second extending part, and the second extending part is connected with the second protrusion; the second bulge is provided with a second clamping groove which is communicated with the second groove; the second inserting part is provided with a fourth clamping groove which is arranged corresponding to the second clamping groove; when the second plug part is plugged in the second groove, the second plug is plugged in the second clamping groove and the fourth clamping groove.

In an optional mode, the outer wall of the first protrusion is further provided with a first fixing groove, and the first fixing groove is matched with the first extending part; the outer wall of the second protrusion is further provided with a second fixing groove, and the second fixing groove is matched with the second extending portion.

In an optional mode, the second plug connector is provided with a through hole, the flexible connecting band further comprises a connecting piece, one end of the flexible band penetrates through the through hole and then is fixed through the connecting piece, and the length of the part, between the first plug connector and the second plug connector, of the flexible band can be adjusted through the connecting piece.

The utility model discloses a set up cell-phone shell body and flexible connecting band, wherein, the one end at the back of cell-phone shell body is equipped with the first recess, and the other end is equipped with the second recess, so that first recess and second recess set up in the relative both ends in back of cell-phone shell body; the flexible connecting band includes flexible band, first plug connector and second plug connector, and the one end of flexible band is pegged graft in first recess through first plug connector, and the other end passes through the second plug connector and pegs graft in the second recess to first plug connector and second plug connector can be dismantled with cell-phone shell body respectively and be connected, so that the flexible connecting band through peg graft first plug connector in the first recess, peg graft the second plug connector in the second recess, realize can dismantling with cell-phone shell body and be connected, when using, the cell-phone shell body passes through the flexible connecting band and fixes with people's palm, thereby realize preventing that the cell-phone can follow the landing of hand and break, in addition, because the flexible connecting band can dismantle with cell-phone shell body and be connected, when flexible connecting band and cell-phone shell body damaged, only need change the accessory of damage, and do not need whole change, reduction use cost.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 shows an exploded view of a mobile phone case structure according to an embodiment of the present invention;

fig. 2 is a rear view of a mobile phone case structure according to an embodiment of the present invention;

fig. 3 shows a partial cross-sectional view of the structure of the handset housing with the first mating portion of the embodiment of the invention in a T-shaped cross-section;

figure 4 shows another partial cross-sectional view of the handset housing structure with a T-shaped cross-section of a second mating portion in accordance with an embodiment of the invention;

fig. 5 is an exploded view of a handset housing according to another embodiment of the present invention;

fig. 6 shows another exploded view of the mobile phone case structure provided by the embodiment of the present invention;

fig. 7 is a perspective view illustrating a flexible connection band used as a support in a mobile phone case structure according to an embodiment of the present invention.

The reference numbers in the detailed description are as follows:

mobile phone casing 1	Second connection part 231	Third card slot 223
			Flexible connecting belt 2	First projection 14	Second stopper 4
Storage tank 11	Second projection 15	Second extension 41
			First groove 12	First card slot 141	Fourth card slot 233
Second recess 13	First button 222	First fixing groove 142
			Flexible belt 21	Second card slot 151	Second fixing groove 152
First connector 22	Second button 232	Through hole 224
			Second connector 23	First plug 3	Connecting piece 24
First plug-in part 221	First extension 31

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 and fig. 2, fig. 1 shows an exploded view of a mobile phone shell structure provided by an embodiment of the present invention, fig. 2 shows a rear view of the mobile phone shell structure provided by an embodiment of the present invention, the mobile phone shell structure includes a mobile phone shell body 1 and a flexible connection band 2, the flexible connection band 2 is installed at the back of the mobile phone shell body 1, and the flexible connection band 2 is detachably connected with the mobile phone shell body 1. The mobile phone comprises a mobile phone shell body 1, a first groove 12, a second groove 13 and a second groove 11, wherein the front part of the mobile phone shell body 1 is provided with the containing groove 11 so as to contain and fix the mobile phone in the containing groove 11, the upper end of the back part of the mobile phone shell body 1 is provided with the first groove 12, and the lower end of the back part of the mobile phone shell body 1 is provided with the second groove 13 so as to enable the first groove 12 and the second groove 13 to be respectively positioned at two opposite ends of; the flexible connecting band 2 comprises a flexible band 21, a first plug connector 22 and a second plug connector 23, one end of the flexible band 21 is connected with the first plug connector 22, the other end of the flexible band is fixedly connected with the second plug connector 23, the flexible band 21 is made of flexible nylon, woven cloth, rubber and other leather materials, the flexible connecting band 2 has elasticity and flexibility, the first plug connector 22 is inserted in the first groove 12 and detachably connected with the mobile phone shell body 1, the second plug connector 23 is inserted in the second groove 13 and detachably connected with the mobile phone shell body 1, so that the flexible band 21 can be connected with the mobile phone shell body 1 in a detachable mode through inserting the first plug connector 22 in the first groove 12 and inserting the second plug connector 23 in the second groove 13, the flexible connecting band 2 is detachably connected with the mobile phone shell body 1, preferably, the flexible connecting band 2 can be a watchband made of a leather material or made of a metal material, because flexonics area 2 is the watchband, consequently, the place that reserve watchband of wrist-watch was stored can be regarded as to cell-phone shell body 1, also is that reserve watchband of wrist-watch is through first recess 12 and second recess 13 and can dismantle with cell-phone shell body 1 and be connected, and convenience of customers dismantles the wrist-watch watchband use with flexonics area 2 as required. When using, flexonics area 2 is through first plug connector 22 and second plug connector 23 and cell-phone shell body 1 fixed connection, flexonics area 2 can restrict the palm of people between flexonics area 2 and cell-phone shell body 1 or bind cell-phone shell body 1 and the palm of the hand together, thereby realize preventing that the cell-phone from moving the landing from the hand and breaking, in addition, flexonics area 21 has certain compliance and elasticity, be difficult to scratch user's hand, flexonics area 2 can be dismantled with cell-phone shell body 1 and be connected, when the user does not need flexonics area 2, can pull down flexonics area 2, and when damage appears when flexonics area 2 or cell-phone shell body 1, only need to change the accessory of damage and can continue to use, use cost is reduced. It should be noted that, the first groove 12 and the second groove 13 may also be respectively disposed at the left end and the right end of the back of the mobile phone shell body 1, for example, the first groove 12 is disposed at the left end of the mobile phone shell body 1, and the second groove 13 is disposed at the right end of the mobile phone shell body 1. In addition, the first groove 12 and the second groove 13 may be disposed on the back of the mobile phone case body 1 correspondingly, or may be disposed on the back of the mobile phone case body 1 in a staggered manner.

Specifically, referring to fig. 1 and fig. 2 again, for the first connector 22, the first connector 22 is provided with a first inserting portion 221, the first inserting portion 221 is matched with the first groove 12, and the first inserting portion 221 moves from the right end edge of the mobile phone shell body 1 to the left end and is inserted into the first groove 12, so that the first connector 22 is inserted into the first groove 12 through the first inserting portion 221; second plug connector 23 is equipped with second grafting portion 231, second grafting portion 231 and second recess 13 phase-match, second grafting portion 231 moves to the right-hand member from the right-hand member edge of cell-phone shell body 1 and inserts and connect in second recess 13, so that second plug connector 23 pegs graft and is fixed in second recess 13, first grafting portion 221 and second grafting portion 231's size is the same, that is, first grafting portion 221 and second grafting portion 231 have the same shape profile and structure size, make first plug connector 22 and second plug connector 23 both can peg graft and be fixed in first recess 12, also can peg graft and be fixed in second recess 13, in addition, other spare parts that have with first grafting portion 221 or second plug connector 23 looks isostructure all can dismantle with cell-phone shell body 1 and be connected, use as the accessory of cell-phone shell body 1.

Referring to fig. 1 to 4, fig. 3 shows a partial sectional view of a mobile phone case structure when a cross section of a first inserting portion of the embodiment of the present invention is T-shaped, fig. 4 shows another partial sectional view of a mobile phone case structure when a cross section of a second inserting portion of the embodiment of the present invention is T-shaped, in some embodiments, in order to prevent the first inserting portion 221 and the second inserting portion 23 from sliding out along a vertical mode of the mobile phone case body 1 after being inserted into the first groove 12 or the second groove 13, cross-sectional shapes of the first groove 12 and the second groove 13 are set to be fan-shaped, T-shaped, or other structures capable of achieving the same function, such as L-shaped, triangular, etc.

Referring to fig. 1 again, for the above-mentioned mobile phone case body 1, one end of the back of the mobile phone case body 1 is further provided with a first protrusion 14, the other end of the back of the mobile phone case body 1 is further provided with a second protrusion 15, the first protrusion 14 is located at the upper end of the back of the mobile phone case body 1, the second protrusion 15 is located at the lower end of the back of the mobile phone case body 1, the first protrusion 14 and the second protrusion 15 are arranged relatively, the first groove 12 is located on the first protrusion 14, and the first protrusion 14 is arranged toward one side of the second protrusion 15, the second groove 13 is located on the second protrusion 15, and the second groove 13 is arranged on one side of the second protrusion 15 toward the first protrusion 14, so that the first groove 12 and the second groove 13 are arranged relatively. Because the thickness of cell-phone shell body 1 is less, only about 2mm usually, through setting up first protruding 14 and the protruding 15 of second, increased can set up the space of recess on the cell-phone shell body 1.

Further, referring to fig. 1 again, the first protrusion 14 is provided with a first card slot 141, the first card slot 141 is communicated with the first groove 12, the first inserting portion 221 is provided with a first button 222, when the first inserting portion 221 is inserted into the first groove 12, the first button 222 is connected with the first card slot 141 in a clamping manner, so that the first inserting portion 221 is inserted and fixed into the first groove 12, when the first connector 22 needs to be detached from the mobile phone shell body 1, the first button 222 is pressed to separate the first button 222 from the first card slot 141, and then the first inserting portion 221 slides from left to right to slide out from the first groove 12, so that the first connector 22 is separated from the mobile phone shell body 1. The second arch 15 is equipped with second draw-in groove 151, second draw-in groove 151 is linked together with second recess 13, second grafting portion 231 is equipped with second button 232, when second plug connector 23 is pegged graft in second recess 13, second button 232 and second draw-in groove 151 joint mutually, so that the one end of flexonics area 2 is pegged graft through second plug connector 23 and is fixed in second recess 13, button second button 232, make second button 232 break away from with second draw-in groove 151 mutually, slide-out second recess 13 is followed to the right with second plug connector 23 again outside, thereby make second plug connector 23 break away from with cell-phone shell body 1 mutually.

The first button 222 and the second button 232 may be elastic blocks made of elastic materials, or may be keys composed of springs and pressing sheets. In addition, the number of the first button 222, the first card slot 141, the second button 232 and the second card slot 151 is the same, and the number of the first button 222, the first card slot 141, the second button 232 and the second card slot 151 is at least one, and the specific number thereof can be selected according to actual needs.

Referring to fig. 5, fig. 5 is an exploded view of a mobile phone case structure according to another embodiment of the present invention, and in some embodiments, another way of detachably connecting the first plug-in unit 221 and the second plug-in unit 23 to the mobile phone case body 1 is also provided. The difference from the above embodiment is that:

the mobile phone shell structure further comprises a first plug 3, one end of the first plug 3 is provided with a first extending portion 31, the first extending portion 31 is made of elastic materials, such as rubber, and can be bent, the first extending portion 31 is connected with the first protrusion 14, the first inserting portion 221 is provided with a third clamping groove 223, the third clamping groove 223 is arranged corresponding to the first clamping groove 141, when the first inserting portion 221 is inserted into the first groove 12, the first plug 3 is inserted into the first clamping groove 141 and the third clamping groove 223 and is in interference fit with the first clamping groove 141 and the second clamping groove 151, so that the first inserting portion 221 is inserted and fixed into the first groove 12, after the first plug 3 is pulled out from the first clamping groove 141 and the third clamping groove 223, the first inserting portion 221 can be separated from the first groove 12 through sliding, and accordingly the first inserting portion 221 can be detachably connected with the mobile phone shell body 1.

The mobile phone shell structure further comprises a second plug 4, one end of the second plug 4 is provided with a second extending portion 41, the second extending portion is made of elastic materials, such as rubber, the second extending portion 41 can be bent, the second extending portion 41 is connected with the second protrusion 15, the second inserting portion 231 is provided with a fourth clamping groove 233, the fourth clamping groove 233 corresponds to the second clamping groove 151, when the second plug connector 23 is inserted into the second groove 13, the second plug 4 is inserted into the second clamping groove 151 and the fourth clamping groove 233, and is in interference fit with the second clamping groove 151 and the fourth clamping groove 233, so that the second plug connector 23 is inserted into and fixed in the second groove 13, after the second plug 4 is extracted from the second clamping groove 151 and the fourth clamping groove 233, the second plug connector 23 can be separated from the second groove 13 through sliding, and the second plug connector 23 can be detachably connected with the mobile phone shell body 1.

Further, the outer wall of the first protrusion 14 is provided with a first fixing groove 142, the first fixing groove 142 is matched with the first extension portion 31, when the first plug 3 is inserted into the first card slot 141 and the third card slot 223, the first extension portion 31 is sleeved into the first fixing groove 142, the outer wall of the second protrusion 15 is provided with a second fixing groove 152, the second fixing groove 152 is matched with the second extension portion 41, and when the second plug 4 is inserted into the second card slot 151 and the fourth card slot 233, the second extension portion 41 is embedded into the second fixing groove 152, so that the appearance can be beautified.

Referring to fig. 6 and 7, fig. 6 shows another exploded view of a mobile phone case structure provided by an embodiment of the present invention, fig. 7 shows a perspective view of a flexible connection band used as a support in the mobile phone case structure provided by an embodiment of the present invention, for the first connector 22, the first connector 22 is further provided with a through hole 224, the through hole 224 is spaced from the first insertion portion 221, the flexible connection band 2 further includes a connection member 24, the connection member 24 is a magic tape or a magnetic sheet, and the number of the connection member 24 is at least one, preferably a plurality of, the plurality of connection members 24 are spaced on the flexible band 21, when the first connector 22 is inserted and fixed in the first groove 12 through the first insertion portion 221, and the second connector 23 is inserted and fixed in the second groove 13 through the second insertion portion 231, one end of the flexible band 21 passes through the through hole 224 and then is fixed through the connection member 24, and have at least one connecting piece 24 to set up in the relative other end of flexible band 21 and second plug connector 23, have at least one connecting piece 24 to be located between first grafting portion 221 and second plug connector 23, when being located the different connecting pieces 24 of first grafting portion 221 left and right sides and connecting, can change the length that flexible band 21 is located between first grafting portion 221 and second plug connector 23, adjust the length that flexible band 21 is located between first plug connector 22 and second plug connector 23 through connecting piece 24, thereby change people's palm and the elasticity degree of cell-phone shell structure wearing, in addition, when the length that flexible band 21 is located between first plug connector 22 and the second plug connector 23 is greater than the distance of first grafting portion 221 to second plug connector 23, flexible connecting band 2 can bend into the arc, make flexible connecting band 2 can regard as the support use of cell-phone shell body 1.

The utility model discloses a set up cell-phone shell body 1 and flexible connecting band 2, wherein, one end at the back of cell-phone shell body 1 is equipped with first recess 12, and the other end is equipped with second recess 13, so that first recess 12 and second recess 13 set up in the opposite both ends at the back of cell-phone shell body 1; the flexible connecting band 2 comprises a flexible band 21, a first plug connector 22 and a second plug connector 23, one end of the flexible band 21 is inserted in the first groove 12 through the first plug connector 22, the other end of the flexible band is inserted in the second groove 13 through the second plug connector 23, and the first plug connector 22 and the second plug connector 23 are respectively detachably connected with the mobile phone shell body 1, so that the flexible connecting band 2 is inserted in the first groove 12 through the first plug connector 22, and the second plug connector 23 is inserted in the second groove 13 to be detachably connected with the mobile phone shell body 1, when in use, the mobile phone shell body 1 is fixed with a palm of a person through the flexible connecting band 2, thereby preventing the mobile phone from falling off and being damaged from the hand, in addition, because the flexible connecting band 2 is detachably connected with the mobile phone shell body 1, when the flexible connecting band 2 is damaged with the mobile phone shell body 1, only damaged accessories need to be replaced, and the whole replacement is not needed, and the use cost is reduced. In addition, the place that the reserve watchband of wrist-watch was stored can be regarded as to cell-phone shell body 1, is also that the reserve watchband of wrist-watch passes through first recess 12 and second recess 13 and can dismantle with cell-phone shell body 1 and be connected, and convenience of customers dismantles the wrist-watch watchband use with flexonics area 2 as required.

It should be noted that unless otherwise indicated, technical or scientific terms used in accordance with embodiments of the present invention shall have the ordinary meaning as understood by those skilled in the art to which embodiments of the present invention pertain.

In the description of the embodiments of the present invention, the terms "length", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.

Furthermore, the technical terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the novel embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; mechanical connection or electrical connection is also possible; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In describing the novel embodiments of this embodiment, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A handset housing structure, comprising:

the mobile phone shell comprises a mobile phone shell body (1), wherein a first groove (12) is formed in one end of the back of the mobile phone shell body (1), and a second groove (13) is formed in the other end of the back of the mobile phone shell body (1);

flexible connection area (2), flexible connection area (2) include flexible band (21), first plug connector (22) and second plug connector (23), the one end of flexible band (21) with first plug connector (22) are connected, the other end with second plug connector (23) are connected, the flexible connection area through with first plug connector (22) peg graft in first recess (12), will second plug connector (23) peg graft in second recess (13), with the connection can be dismantled to cell-phone shell body (1).

2. A handset housing structure according to claim 1, characterised in that said first connector (22) is provided with a first mating portion (221), said first mating portion (221) mating with said first recess (12), said first connector (22) being secured in said first recess (12) by said first mating portion (221);

the second plug connector (23) is provided with a second plug part (231), the second plug part (231) is matched with the second groove (13), and the second plug connector (23) is fixed in the second groove (13) through the second plug part (231) in an inserted manner;

the first insertion part (221) and the second insertion part (231) are the same in size.

3. A handset housing structure according to claim 2, characterised in that the first and second mating parts (221, 231) are each sector-shaped or T-shaped in cross-section.

4. A handset housing structure according to claim 2, characterised in that one end of the back of the handset housing body (1) is provided with a first projection (14) and the other end of the back of the handset housing body (1) is provided with a second projection (15), the first projection (14) and the second projection (15) being oppositely disposed;

the first groove (12) is arranged on one side of the first bulge (14) facing the second bulge (15);

the second groove (13) is arranged on one side of the second bulge (15) facing the first bulge (14).

5. A mobile phone casing structure according to claim 4, wherein the first protrusion (14) is further provided with a first locking groove (141), the first locking groove (141) is communicated with the first groove (12), the first inserting part (221) is provided with a first button (222), and when the first inserting part (221) is inserted into the first groove (12), the first button (222) is locked with the first locking groove (141).

6. A mobile phone housing structure according to claim 5, wherein the second protrusion (15) is provided with a second locking groove (151), the second locking groove (151) is communicated with the second groove (13), the second plug-in part (231) is provided with a second button (232), and when the second plug-in part (231) is plugged into the second groove (13), the second button (232) is locked with the second locking groove (151).

7. A handset housing structure according to claim 4, further comprising a first plug (3), said first plug (3) being provided at one end with a first extension (31), said first extension (31) being connected to said first protrusion (14);

the first bulge (14) is provided with a first clamping groove (141), and the first clamping groove (141) is communicated with the first groove (12);

the first plugging part (221) is provided with a third clamping groove (223), and the third clamping groove (223) is arranged corresponding to the first clamping groove (141);

when the first plug part (221) is plugged in the first groove (12), the first plug (3) is plugged in the first card slot (141) and the third card slot (223).

8. Mobile phone casing structure according to claim 7, characterised in that it further comprises a second plug (4), said second plug (4) being provided at one end with a second extension (41), said second extension (41) being connected to said second protrusion (15);

the second bulge (15) is provided with a second clamping groove (151), and the second clamping groove (151) is communicated with the second groove (13);

the second inserting part (231) is provided with a fourth clamping groove (233), and the fourth clamping groove (233) is arranged corresponding to the second clamping groove (151);

when the second plug part (231) is plugged in the second groove (13), the second plug (4) is plugged in the second clamping groove (151) and the fourth clamping groove (233).

9. A handset casing structure according to claim 8, characterised in that the outer wall of the first projection (14) is further provided with a first retaining groove (142), the first retaining groove (142) mating with the first extension (31);

the outer wall of the second protrusion (15) is further provided with a second fixing groove (152), and the second fixing groove (152) is matched with the second extending part (41).

10. A handset housing structure according to any one of claims 1 to 9, characterised in that the first connector (22) is provided with a through hole (224), the flexible connecting band (2) further comprises a connecting member (24), one end of the flexible band (21) is fixed by the connecting member (24) after passing through the through hole (224), and the length of the portion of the flexible band (21) between the first connector (22) and the second connector (23) is adjustable by the connecting member (24).