CN107517555A - Housing and mobile terminal - Google Patents

Abstract

The invention discloses a casing, which includes a main body, a power plug and a conductive block. The main body includes an outer surface and an inner surface oppositely arranged, the outer surface is provided with a first receiving groove, and the conductive block is arranged on the The inner wall of the first receiving groove, the conductive block is electrically connected to the battery inside the mobile terminal, the power plug is at least partially accommodated in the first receiving groove and connected to the main body, the power plug includes mutual electric A connected plug end and a conductive end, the plug end can be accommodated in the first receiving groove or extend out of the first receiving groove for mating with a power socket, the conductive end is electrically connected to the conductive block . The invention also discloses a mobile terminal. There is no need to carry a separate charging device, the charging method is convenient and fast, the user experience is improved, and the charging device will not be forgotten.

Description

Shell and mobile terminal

technical field

The invention relates to the technical field of mobile communication equipment, in particular to a casing and a mobile terminal.

Background technique

With the development of science and technology, mobile terminals such as mobile phones and tablet computers are more and more widely used, and have become an indispensable part of people's daily life. Mobile terminals are developing towards intelligence, and the functions of mobile terminals are becoming more and more abundant. At the same time, the power consumption of mobile terminals is also increasing. The key to ensure the normal use of mobile terminals is to be able to charge them anytime, anywhere and in a timely manner.

In the prior art, the mobile terminal is charged by connecting the data cable and the power plug. Both the data cable and the power plug are indispensable. If you forget to carry one of the data cable and the power plug with you, you will not be able to charge the mobile terminal. The charging method of the mobile terminal is inconvenient, and the user will easily place the data cable and the power plug and lose the data cable and the power plug, resulting in property loss.

Contents of the invention

The technical problem to be solved by the present invention is to provide a casing and a mobile terminal to solve the problems in the prior art that the charging method of the mobile terminal is inconvenient and the data line and the power plug are easily forgotten.

In order to solve the above-mentioned technical problems, the present invention provides a casing, which is applied to a mobile terminal, and includes a main body, a power plug, and a conductive block. slot, the conductive block is arranged on the inner wall of the first receiving slot, the conductive block is electrically connected to the battery inside the mobile terminal, and the power plug is at least partially accommodated in the first receiving slot and connected to the The main body, the power plug includes a plug end and a conductive end that are electrically connected to each other, and the plug end can be accommodated in the first receiving groove or extend out of the first receiving groove, so as to be used to cooperate with a power socket. The conductive end is electrically connected with the conductive block.

In one embodiment, the power plug is rotatably connected to the main body, the plug end is fixedly connected to the conductive end, and when the power plug is rotated until the plug end extends out of the first receiving groove, the conductive end end contacts the conductive block.

In one embodiment, the conductive end includes a protruding first end surface, the cross section of the first end surface is arc-shaped, and the side of the conductive block facing the power plug is provided with a concave second end surface, The cross-section of the second end surface is arc-shaped corresponding to the first end surface. When the power plug is rotated until the plug end protrudes from the first receiving groove, the first end surface and the first end surface The two end faces are in contact to electrically connect the power plug and the conductive block.

In one embodiment, the conductive end is provided with a first magnet, and the conductive block is provided with a second magnet. When the power plug is rotated until the plug end protrudes from the first receiving groove, the first The magnet and the second magnet attract each other to fix the first end surface in contact with the second end surface.

In one embodiment, the conductive end is provided with a first conductive point, the first conductive point is exposed outside the first end surface, the first conductive point is electrically connected to the plug end, and the conductive block There is a second conductive point, the second conductive point is exposed outside the second end surface, the second conductive point is electrically connected to the battery, and the power plug is rotated until the plug end protrudes from the first accommodating When the groove is inserted, the first conductive point contacts the second conductive point to electrically connect the power plug and the conductive block.

In one embodiment, the first conductive point is isolated from the first magnet, and the second conductive point is isolated from the second magnet.

In one embodiment, the conductive block further includes a third end face away from the second end face, a third magnet is embedded in the third end face, the inner wall includes a bottom wall, and a third magnet is embedded in the bottom wall. Four magnets, the conductive block is fixedly connected to the bottom wall through the mutual attraction of the third magnet and the fourth magnet, and the magnetic force of the third magnet and the fourth magnet is smaller than that of the first magnet and the fourth magnet. With the magnetic force of the second magnet, when the power plug is pulled out from the first receiving slot, the conductive block is fixed on the conductive end and pulled out of the first receiving slot together with the power plug.

In one embodiment, the conductive block is electrically connected to the battery through a wire, and the main body is further provided with a second accommodation groove, and the wire is wound and accommodated in the second accommodation groove.

In one embodiment, the power plug is provided with a pair of coaxial columnar protrusions, the columnar protrusions are the rotation axis of the power plug, and the inner wall further includes a connecting member connecting the bottom wall and the outer surface. The side wall, the side wall is provided with a shrapnel, and the shrapnel includes an arc segment and an extension segment interconnected as a whole, and the connection between the arc segment and the extension segment forms a bayonet, and the size of the bayonet Smaller than the size of the columnar protrusion, the arc section is located between the extension section and the bottom wall, and the bayonet restricts the columnar protrusion from being rotatably connected in the arc section.

The present invention also provides a mobile terminal, including the casing described in any one of the above items.

The beneficial effects of the present invention are as follows: the power plug is accommodated in the first accommodation groove of the main body, so that the power plug is integrated with the mobile terminal, and the plug end can be accommodated in the first accommodation groove for easy portability by rotating the power plug, or the plug end can protrude The first accommodating slot is convenient to be directly inserted into the socket for charging. When the plug end extends out of the first accommodating slot, the conductive end contacts the conductive block and is electrically connected to the battery through the conductive block, thereby charging the battery. The user carries the mobile terminal and carries the power plug at the same time. There is no need to carry a separate charging device, the charging method is convenient and fast, the user experience is improved, and the charging device will not be forgotten.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other obvious deformations can also be obtained according to these drawings without creative efforts.

FIG. 1 is a top view of a casing provided by Embodiment 1 of the present invention.

FIG. 2 is a schematic cross-sectional view of a state of the casing provided by Embodiment 1 of the present invention.

FIG. 3 is a schematic cross-sectional view of another state of the casing provided by Embodiment 1 of the present invention.

Fig. 4 is a schematic structural diagram of the power plug of the casing provided by Embodiment 1 of the present invention.

FIG. 5 is a schematic structural diagram of the conductive block of the casing provided by Embodiment 1 of the present invention.

Fig. 6 is a schematic structural diagram of the cooperation between the power plug and the conductive block of the casing provided by Embodiment 1 of the present invention.

FIG. 7 is a schematic structural diagram of the main body of the casing provided by Embodiment 1 of the present invention.

Fig. 8 is a top view of the casing provided by Embodiment 2 of the present invention.

FIG. 9 is a schematic cross-sectional view of a state of the casing provided by Embodiment 2 of the present invention.

FIG. 10 is a schematic cross-sectional view of another state of the casing provided by Embodiment 2 of the present invention.

Fig. 11 is an enlarged schematic view of the receiving groove part of the casing provided by the embodiment of the present invention.

Fig. 12 is a schematic diagram in the direction of A-A of the receiving groove part of the casing provided by the embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 together. The casing 900 provided by Embodiment 1 of the present invention includes a main body 10 , a power plug 20 and a conductive block 30 . Specifically, the main body 10 includes a rear cover 12 and a frame 14 interconnected as one, the frame 14 is located at the edge of the rear cover 12, and the frame 14 is bent relative to the rear cover 12, the frame 14 and the rear cover 12 form a receiving The space is used for accommodating components such as the battery 40 . The main body 10 includes an outer surface 102 and an inner surface 104 oppositely disposed, wherein the outer surface 102 is a surface facing the outside of the casing 900 , and the inner surface 104 is a surface facing the inside of the casing 900 . The outer surface 102 is provided with a first receiving groove 100 . In one embodiment, the first receiving groove 100 is formed by cutting. In other embodiments, the first receiving groove 100 is formed simultaneously when the main body 10 is injection molded. In this embodiment, the cross section of the first receiving groove 100 is a rectangle, of course, the first receiving groove 100 may also be in other shapes such as a circle. The conductive block 30 is arranged on the inner wall of the first receiving groove 100, and the conductive block 30 is electrically connected to the battery 40 inside the mobile terminal. Specifically, the inner wall includes a side wall 100a and a bottom wall 100b, and the bottom wall 100b is the depth of the first receiving groove 100. The largest end surface, the side wall 100 a is a wall surface connecting the bottom wall 100 b and the outer surface 102 .

The power plug 20 is at least partially accommodated in the first receiving groove 100 and connected to the main body 10. Specifically, the power plug 20 is a device for being inserted into a socket. The power plug 20 can be completely accommodated in the first receiving groove 100, or only Part is stored in the first receiving groove 100 .

The power plug 20 includes a plug end 24 and a conductive end 22 that are electrically connected to each other. The plug end can be accommodated in the first receiving groove or extend out of the first receiving groove. Specifically, the power supply shaft is in two states:

Portable state, as shown in FIG. 2 , the plug end 24 is accommodated in the first accommodation groove 100;

In the charging state, as shown in FIG. 3 , the plug end 24 extends out of the first receiving slot 100 , the conductive end is electrically connected to the conductive block, and the plug end 24 is matched with the power socket.

In one embodiment, the plug end 24 is rotatably connected to the conductive end 22, the conductive end 22 is fixedly connected to the conductive block 30, and the plug end 24 can be adjusted to protrude from the first receiving groove 100 or be accommodated in the first receiving groove 100 by rotating the plug end 24. .

In this embodiment, the plug end 24 is fixedly connected to the conductive end 22 , the power plug 20 is rotatably connected to the main body 10 , and the power plug 20 is rotated until the plug end 24 extends out of the first receiving groove 100 and the conductive end 22 contacts the conductive block 30 . Specifically, the power plug 20 contacts a pair of opposite side walls 100a and rotates the connection body 10, and the power plug 20 can rotate around the straight line formed by connecting the pair of opposite side walls 100a. In this embodiment, the conductive block 30 is located on the bottom wall 100b. When the rotating plug end 24 protrudes from the main body 10, that is, in the charging state, the conductive end 22 contacts the conductive block 30, and the conductive block 30 is electrically connected to the battery 40, thereby electrically connecting the battery 40. Connect to terminal 22. Further, the conductive end 22 and the plug end 24 are electrically connected to each other, and when the plug end 24 is inserted into the socket, the battery 40 is electrically connected to an external power source, and the battery 40 starts charging. In one embodiment, the battery 40 is located on the side of the inner surface 104 of the main body 10 , that is, the battery 40 is accommodated in the main body 10 .

The power plug 20 is accommodated in the first receiving groove 100 of the main body 10, so that the power plug 20 is integrated with the housing 900, and the power plug 20 can be rotated so that the plug end 24 can be accommodated in the main body 10 for easy portability, or the plug end 24 can protrude from the main body 10 is convenient to be directly inserted into the socket for charging. When the plug end 24 is extended out of the main body 10, the conductive end 22 contacts the conductive block 30 and is electrically connected to the battery 40 through the conductive block 30, thereby charging the battery 40. The user carries the casing 900 at the same time. The power plug 20 does not need to carry an additional separate charging device, the charging method is convenient and quick, improves user experience, and does not cause the charging device to be forgotten.

In this embodiment, referring to FIG. 4 , FIG. 5 and FIG. 6 , the conductive end 22 includes a protruding first end surface 20a, the cross section of the first end surface 20a is arc-shaped, and the side of the conductive block 30 away from the bottom wall 100b is provided with a depression. The second end surface 30a of the second end surface 30a has an arc corresponding to the first end surface 20a in section. Specifically, the center of curvature of the arc section of the first end surface 20 a may be the rotation axis of the power plug 20 , and the center of curvature of the arc section of the second end surface 30 a may be the rotation axis of the power plug 20 . The shapes of the first end surface 20a and the second end surface 30a are complementary. When the rotating plug end 24 protrudes from the main body 10 , that is, in the charging state, the first end surface 20a contacts the second end surface 30a to electrically connect the power plug 20 and the conductive block 30 . In one embodiment, the first end surface 20a and the second end surface 30a are smooth curved surfaces to reduce friction between the first end surface 20a and the second end surface 30a. The cooperation between the first end surface 20a and the second end surface 30a enables the power plug 20 and the conductive block 30 to be electrically connected in the charging state without affecting the relative rotation between the power plug 20 and the main body 10 .

In this embodiment, the conductive end 22 is provided with a first magnet 242, and the conductive block 30 is provided with a second magnet 342. When the plug end 24 is rotated out of the main body 10, the first magnet 242 and the second magnet 342 attract each other to fix the first magnet. The end face 20a contacts the second end face 30a. Specifically, the first magnet 242 is embedded in the conductive end 22 , the second magnet 342 is embedded in the conductive block 30 , and the position of the first magnet 242 corresponds to the position of the second magnet 342 . In one embodiment, both the first magnet 242 and the second magnet 342 are permanent magnets. In the charging state, the first magnet 242 and the second magnet 342 attract each other, thereby keeping the power plug 20 in a state where the plug end 24 protrudes, which is convenient for charging.

In this embodiment, the conductive end 22 is provided with a first conductive point 244, the first conductive point 244 is exposed outside the first end surface 20a, the first conductive point 244 is electrically connected to the plug end 24, and the conductive block 30 is provided with a second conductive point 344, the second conductive point 344 is exposed outside the second end surface 30a, the second conductive point 344 is electrically connected to the battery 40, when the plug end 24 is rotated out of the first receiving groove 100, the first conductive point 244 contacts the second conductive point 344 To electrically connect the power plug 20 and the conductive block 30 . Specifically, the first conductive point 244 is a metal sheet exposed to the first end surface 20a, and the second conductive point 344 is a metal sheet exposed to the second end surface 30a. In the charging state, the first end surface 20a is in contact with the second end surface 30a. The first conductive point 244 is in contact with the second conductive point 344 to electrically connect the power plug 20 and the conductive block 30 . In this embodiment, the number of the first conductive points 244 and the number of the second conductive points 344 can be multiple. In one embodiment, the first conductive point 244 is electrically connected to the plug end 24 through a conductive lead inside the power plug 20 , and the second conductive point 344 is electrically connected to the battery 40 through a conductive lead inside the conductive block 30 . The contact between the first conductive point 244 and the second conductive point 344 realizes the electrical connection between the power plug 20 and the conductive block 30 , the electrical connection is simple and easy to realize, and does not affect the rotation of the power plug 20 relative to the main body 10 .

In this embodiment, the first conductive point 244 is isolated from the first magnet 242 , and the second conductive point 344 is isolated from the second magnet 342 . In one embodiment, the first conductive point 244 surrounds the first magnet 242 , and correspondingly, the second conductive point 344 surrounds the second magnet 342 . The first conductive point 244 avoids the first magnet 242 , and the second conductive point 344 avoids the second magnet 342 , preventing the first magnet 242 and the second magnet 342 from affecting the electrical connection between the first conductive point 244 and the second conductive point 344 .

In this embodiment, referring to FIG. 7 , the conductive block 30 further includes a third end surface 30b away from the second end surface 30a, the third end surface 30b is the end surface of the conductive block 30 attached to the bottom wall 100b, and the third end surface 30b is embedded with a third The fourth magnet 164 is embedded in the bottom wall 100 b of the magnet 364 , and the conductive block 30 is fixedly connected to the bottom wall 100 b through the mutual attraction of the third magnet 364 and the fourth magnet 164 . Specifically, the third magnet 364 is isolated from the second magnet 342, the third magnet 364 does not affect the interaction between the second magnet 342 and the first magnet 242, and the second magnet 342 does not affect the interaction between the third magnet 364 and the fourth magnet 164. interaction. The manner of the conductive block 30 and the main body 10 is simple and easy to realize, and is easy to disassemble, which is convenient for maintenance.

In one embodiment, the conductive block 30 is electrically connected to the battery 40 through wires 50 .

The power plug 20 is accommodated in the first receiving groove 100 of the main body 10, so that the power plug 20 is integrated with the housing 900, and the power plug 20 can be rotated so that the plug end 24 is accommodated in the first receiving groove 100 for portability, or the plug end 24 Stretching out of the first receiving slot 100 facilitates direct insertion into the socket for charging. When the plug end 24 is rotated to extend out of the first receiving slot 100, the conductive end 22 contacts the conductive block 30 and is electrically connected to the battery 40 through the conductive block 30, thereby charging the battery 40. The user carries the housing 900 and carries the power plug 20 at the same time. There is no need to carry a separate charging device. The charging method is convenient and fast, which improves the user experience and does not cause the charging device to be forgotten.

Referring to FIG. 8 , FIG. 9 and FIG. 10 , the difference between the housing 900 provided by the second embodiment of the present invention and the first embodiment is that the magnetic force of the third magnet 364 and the fourth magnet 164 is smaller than that of the first magnet 242 and the second magnet 342 Magnetic force, when the power plug 20 is pulled out from the first receiving slot 100 , the conductive block 30 is fixed on the conductive end 22 and pulled out of the first receiving slot 100 together with the power plug 20 . After the power plug 20 and the conductive block 30 are pulled out from the first receiving groove 100, the power plug 20 and the conductive block 30 form a whole, which is electrically connected to the battery 40 through a conductive wire, so that the casing 900 does not need to be pressed tightly when charging. Relying on the socket makes charging more convenient, and the user can charge while picking up the casing 900 for use, which improves the practicality.

In this embodiment, the main body 10 is further provided with a second receiving groove 600 , and the wire 50 is accommodated in the second receiving groove 600 after being wound. The winding method of the wire 50 can make the longer wire 50 occupy less space, and the wire 50 is accommodated in the second receiving slot 600 for easy portability.

In this embodiment, the second receiving groove 600 also accommodates a clockwork spring (not shown in the figure), one end of the clockwork spring is fixedly connected to the main body 10 , and the other end is fixedly connected to the wire 50 , and the clockwork spring is used to wind the wire 50 . After the charging is completed, the clockwork spring controls the wire 50 to retract to the second receiving groove 600, which is similar to a tape measure and is convenient and practical.

Please refer to Fig. 11 and Fig. 12, the power plug 20 of the housing 900 provided by the embodiment of the present invention is provided with a pair of coaxial columnar protrusions 220, the columnar protrusions 220 are the rotation axis of the power plug 20, and the side wall 100a is provided with shrapnel 70 , the columnar protrusion 220 is engaged in the elastic piece 70 so that the power plug 20 is connected to the main body 10 in rotation. Specifically, the elastic piece 70 includes a circular arc segment 72 and an extension segment 74 interconnected as a whole, and the junction of the arc segment 72 and the extension segment 74 forms a bayonet 700, the size of the bayonet 700 is smaller than the size of the cylindrical protrusion 220, and The arc segment 72 is located between the extension segment 74 and the bottom wall 100b, and the bayonet 700 restricts the cylindrical protrusion 220 to be connected to the arc segment 72 in rotation. When the power plug 20 needs to be inserted into the first receiving groove 100, press the cylindrical protrusion 220 toward the arc segment 72 along the extension section 74. When the cylindrical protrusion 220 passes through the bayonet 700, the shrapnel 70 is deformed under force, and the size of the bayonet 700 Instantly increase to the size of the columnar protrusion 220, the columnar protrusion 220 is inserted into the arc segment 72, and at the same time the shrapnel 70 rebounds back to its original shape, and the size of the bayonet socket 700 is instantly reduced to be smaller than the size of the columnar protrusion 220. The columnar protrusion 220 is limited to the arc segment 72; when the power plug 20 needs to be pulled out from the first receiving groove 100, the columnar protrusion 220 is pulled along the arc segment 72 to the extension segment 74, and the columnar protrusion 220 passes through the bayonet 700 , the shrapnel 70 is deformed under force, and the size of the bayonet 700 instantly increases to the size of the columnar protrusion 220. The columnar protrusion 220 pulls out the arc segment 72, and at the same time the shrapnel 70 rebounds back to its original shape, and the bayonet 700 The size of the columnar protrusion 220 is instantly reduced to a size smaller than that of the columnar protrusion 220 . The structure of the shrapnel 70 is easy for the power plug 20 to be inserted into or pulled out of the main body 10, which is convenient and practical.

In this embodiment, the casing 900 further includes a rear cover (not shown in the figure), the rear cover is closed to the receiving groove, and the rear cover and the receiving groove form a receiving space for accommodating the power plug 20 . The rear cover protects the power plug 20 .

The power plug 20 is accommodated in the first receiving groove 100 of the main body 10, so that the power plug 20 is integrated with the housing 900, and the power plug 20 can be rotated so that the plug end 24 is accommodated in the first receiving groove 100 for portability, or the plug end 24 Stretching out of the first receiving slot 100 facilitates direct insertion into the socket for charging. When the plug end 24 is rotated to extend out of the first receiving slot 100, the conductive end 22 contacts the conductive block 30 and is electrically connected to the battery 40 through the conductive block 30, thereby charging the battery 40. The user carries the housing 900 and carries the power plug 20 at the same time. There is no need to carry a separate charging device. The charging method is convenient and fast, which improves the user experience and does not cause the charging device to be forgotten.

The embodiment of the present invention also provides a mobile terminal, including the casing 900 provided by the embodiment of the present invention, and the mobile terminal includes but not limited to a mobile phone, a tablet computer, a notebook computer, and the like.

The above disclosures are only several preferred embodiments of the present invention, and of course the scope of rights of the present invention cannot be limited by this. Those of ordinary skill in the art can understand all or part of the processes for realizing the above embodiments, and according to the rights of the present invention The equivalent changes required still belong to the scope covered by the invention.

Claims (10)

1. A casing, which is applied to a mobile terminal, is characterized in that it includes a main body, a power plug and a conductive block, the main body includes an outer surface and an inner surface oppositely arranged, and the outer surface is provided with a first receiving groove, so The conductive block is arranged on the inner wall of the first receiving groove, the conductive block is electrically connected to the battery inside the mobile terminal, the power plug is at least partially accommodated in the first receiving groove and connected to the main body, The power plug includes a plug end and a conductive end that are electrically connected to each other, the plug end can be accommodated in the first receiving groove or extend out of the first receiving groove for matching with a power socket, and the conductive end It is electrically connected with the conductive block. 2. The housing according to claim 1, wherein the power plug is rotatably connected to the main body, the plug end is fixedly connected to the conductive end, and the power plug is rotated until the plug end protrudes The conductive end is in contact with the conductive block when the first receiving slot is in contact. 3. The casing according to claim 2, wherein the conductive end includes a protruding first end surface, the cross section of the first end surface is arc-shaped, and the conductive block faces the power plug. One side is provided with a recessed second end surface, the cross section of the second end surface is arc-shaped corresponding to the first end surface, when the power plug is rotated until the plug end protrudes from the first receiving groove , the first end surface is in contact with the second end surface to electrically connect the power plug and the conductive block. 4. The casing according to claim 3, wherein the conductive end is provided with a first magnet, and the conductive block is provided with a second magnet, and the power plug is rotated until the plug end protrudes from the When the first receiving groove is in place, the first magnet and the second magnet attract each other to fix the first end surface in contact with the second end surface. 5. The housing according to claim 4, wherein the conductive end is provided with a first conductive point, the first conductive point is exposed outside the first end surface, and the first conductive point is electrically connected to To the plug end, the conductive block is provided with a second conductive point, the second conductive point is exposed outside the second end surface, the second conductive point is electrically connected to the battery, and the power plug is rotated to the When the end of the plug extends out of the first receiving slot, the first conductive point contacts the second conductive point to electrically connect the power plug and the conductive block. 6. The housing of claim 5, wherein the first conductive point is isolated from the first magnet, and the second conductive point is isolated from the second magnet. 7. The casing according to claim 6, wherein the conductive block further comprises a third end surface away from the second end surface, a third magnet is embedded in the third end surface, and the inner wall comprises a bottom wall, the bottom wall is embedded with a fourth magnet, the conductive block is fixedly connected to the bottom wall through the mutual attraction of the third magnet and the fourth magnet, and the third magnet and the fourth magnet The magnetic force is smaller than the magnetic force of the first magnet and the second magnet. When the power plug is pulled out from the first receiving slot, the conductive block is fixed on the conductive end and together with the power plug Pull out the first receiving slot. 8. The casing according to claim 7, wherein the conductive block is electrically connected to the battery through a wire, and the main body is further provided with a second receiving groove, and the wire is wound and accommodated in the battery. Second holding tank. 9. The casing according to any one of claims 1 to 8, wherein the power plug is provided with a pair of coaxial columnar protrusions, and the columnar protrusions are the rotation axis of the power plug, so The inner wall also includes a side wall connecting the bottom wall and the outer surface, the side wall is provided with an elastic piece, and the elastic piece includes an arc segment and an extension segment interconnected as one, and the arc segment and the The joint of the extension section forms a bayonet, the size of the bayonet is smaller than the size of the columnar protrusion, the arc section is located between the extension section and the bottom wall, and the bayonet restricts the columnar projection. The protrusion is rotatably connected in the arc segment. 10. A mobile terminal, comprising the casing according to any one of claims 1-9.