CN112117581A

CN112117581A - Electronic equipment and cable plug used for same

Info

Publication number: CN112117581A
Application number: CN202010979675.0A
Authority: CN
Inventors: 潘梦旗
Original assignee: Hangzhou Hikvision Digital Technology Co Ltd
Current assignee: Hangzhou Hikvision Digital Technology Co Ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2020-12-22

Abstract

The present invention provides an electronic device, including: the shell comprises a front shell and a rear shell, and the front shell and the rear shell are enclosed to form an accommodating cavity; the circuit board is arranged in the accommodating cavity; cable socket, cable socket set up at the backshell to with cable plug connection, cable socket includes: the circuit board is provided with an elastic contact protruding from the surface of one side facing the rear shell so as to be electrically connected with the first electric contact; and the clamping structure is vertical to the extending direction of the hollow cavity so as to limit the cable plug in the extending direction of the hollow cavity and prompt the position of the cable plug in the hollow cavity.

Description

Electronic equipment and cable plug used for same

Technical Field

The present invention relates to the field of connection structures of electronic devices, and in particular, to an electronic device and a cable plug for the same.

Background

In the cable that adopts probe type to connect in the existing market, adopt following two kinds of modes to connect and fix more:

1. adopt the mode of magnetism to inhale, pre-buried two magnets in cable top, pre-buried two opposite polarity's magnet on the structure that corresponds. The cable connection mode is high in cost, poor in connection strength, easy to be disconnected under slight stress, and a structural part is needed to specially press the cable.

2. The fixing is realized by adopting a rib which is in interference fit with the installation direction, and although the cost is not high, the hand feeling of installation in place cannot be provided.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides an electronic device and a cable plug for the electronic device.

In one embodiment, an electronic device is provided, comprising:

the shell comprises a front shell and a rear shell, and the front shell and the rear shell are enclosed to form an accommodating cavity;

the circuit board is arranged in the accommodating cavity;

a cable receptacle provided at the rear case to be connected with a cable plug, the cable receptacle including:

the circuit board is provided with an elastic contact protruding from the surface of one side facing the rear shell so as to be electrically connected with the first electric contact; and

the clamping structure is perpendicular to the extending direction of the hollow cavity, so that the cable plug is limited in the extending direction of the hollow cavity and prompts the cable plug to be in the position in the hollow cavity.

In one embodiment, the cable receptacle further comprises:

the adapter body is fixed to the other end of the hollow cavity and comprises a first adapter body and a second adapter body which are vertically arranged and electrically connected with each other,

the end surface of the first adapter body is the first electric contact which is perpendicular to the extending direction of the hollow cavity and is exposed in the hollow cavity,

the second adaptor has a second electrical contact exposed from the inner surface of the rear housing, and the elastic contact is electrically connected to the first electrical contact by contacting the second electrical contact.

In one embodiment, the clamping structure is a groove recessed from the first side wall of the hollow cavity toward the rear case, and/or a protrusion protruding from the first side wall of the hollow cavity toward the hollow cavity.

In one embodiment, the clamping structure is disposed on a pair of opposing first sidewalls of the hollow cavity.

In one embodiment, the number of snap structures on a pair of opposing first sidewalls of the hollow cavity is different.

Another embodiment of the present invention also provides a cable plug for the electronic device described above, including:

the cross section of the plug shell is matched with that of the hollow cavity, and the plug shell is in clearance fit with the hollow cavity;

a cable having one end fixed to the plug housing and having a third electrical contact exposed at an end face of the plug housing, the cable and the third electrical contact being located at opposite end faces of the plug housing, respectively;

further comprising:

and the clamping structure is matched with the buckling structures in a one-to-one correspondence manner, and the positions of the buckling structures, which are matched with the clamping structure in place, correspond to the positions of the third electric contact, the first electric contact and the electric connection.

In one embodiment, the snap structure is a protrusion protruding outward from a surface of the plug housing and/or a groove recessed from a surface of the plug housing.

In one embodiment, the snap structure is disposed on a pair of opposing second sidewalls of the plug housing.

In one embodiment, the number of snap features on the pair of opposing second side walls of the plug housing is different.

Another embodiment of the present invention also provides an electronic device including:

the circuit board is arranged in the accommodating cavity;

the clamping structure is perpendicular to the extending direction of the hollow cavity, so that the cable plug is limited in the extending direction of the hollow cavity and the position of the cable plug in the hollow cavity is prompted;

the cable plug includes:

a cable having one end fixed to the plug housing and having a third electrical contact exposed at an end face of the plug housing, the cable and the third electrical contact being located at opposite end faces of the plug housing, respectively; and

In one embodiment, the locking structure is a groove recessed from the first side wall of the hollow cavity toward the rear housing, the locking structure is a protrusion protruding outward from the second side wall of the plug housing,

a first spacing between a pair of opposing first sidewalls is greater than a second spacing between a corresponding pair of second sidewalls and less than a sum of the second spacing between the corresponding pair of second sidewalls and a height of the protrusion.

Known from above technical scheme, in this embodiment, be not interference fit between cable plug and the cable socket, but adopt clearance fit's mode, although the cross section of cable plug and cable socket shape looks adaptation, the cross sectional dimension of cable plug slightly is less than the cross sectional dimension of cable socket for cable plug can insert in the cable socket easily. On this basis, the internal surface of the cavity of cable socket sets up the joint structure that is used for spacing in the cavity of cable socket with the cable plug, and joint structure and the detachable joint cooperation of cable plug liftoff, wherein, the extending direction of this joint structure perpendicular to cavity, the plug direction of perpendicular to cable plug promptly to realize spacing to the cable plug in the plug direction of cable plug, and then fix the cable plug in the cavity of cable socket.

Furthermore, the arrangement position of the clamping structure corresponds to the position of the cable plug which is completely inserted into the hollow cavity of the cable socket so as to realize the electrical connection between the cable and the circuit board, and when the cable plug is installed in place, the clamping fit between the clamping structure and the cable plug can provide the hand feeling of installation in place for a user, or further provide the prompt sound of installation in place, such as the click of the clamping fit. And when extracting the cable plug, joint structure limiting displacement can provide the resistance that hinders to extract for the user to prevent the maloperation and provide firm fixed for the cable plug.

In this embodiment, the clamping structure is arranged in the side wall matched with the cable plug and the cable socket, the structure is simple, the structure of the electronic equipment and the setting space of the internal components cannot be influenced, the limiting effect on the cable plug and the prompting effect on the position of the cable plug can be provided simultaneously, and the clamping structure can be conveniently suitable for various electronic equipment with compact structures.

Drawings

The following drawings are only schematic illustrations and explanations of the present invention, and do not limit the scope of the present invention.

Fig. 1 is a schematic structural diagram of a first embodiment of the electronic device of the present invention.

Fig. 2 is a schematic plan view of the circuit board of fig. 1.

Fig. 3a and 3b are schematic structural views of a rear case in the electronic device of the present invention.

Fig. 4 is a schematic structural diagram of an interposer in a second embodiment of the electronic device of the present invention.

Fig. 5a and 5b are schematic structural views of a rear case in a third embodiment of the electronic apparatus of the present invention.

Fig. 6 is a schematic structural view of a cable plug for an electronic device of the present invention.

Fig. 7 is a schematic structural diagram of a cable plug for an electronic device according to a second embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a fourth embodiment of the electronic device of the present invention.

Fig. 9 is a side cross-sectional view of a fourth embodiment of the electronic device of the present invention.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which like reference numerals refer to like parts throughout.

"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.

For the sake of simplicity, the drawings are only schematic representations of the parts relevant to the invention, and do not represent the actual structure of the product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled.

In this document, "upper", "lower", "front", "rear", "left", "right", and the like are used only to indicate relative positional relationships between relevant portions, and do not limit absolute positions of the relevant portions.

In this document, "first", "second", and the like are used only for distinguishing one from another, and do not indicate the degree and order of importance, the premise that each other exists, and the like.

In this context, "equal", "same", etc. are not strictly mathematical and/or geometric limitations, but also include tolerances as would be understood by a person skilled in the art and allowed for manufacturing or use, etc. Unless otherwise indicated, numerical ranges herein include not only the entire range within its two endpoints, but also several sub-ranges subsumed therein.

Example embodiments will now be described more fully with reference to the accompanying drawings.

In order to solve the problems in the prior art, the invention provides an electronic device and a cable plug for the electronic device.

Fig. 1 is a schematic structural diagram of a first embodiment of the electronic device of the present invention. Fig. 2 is a schematic plan view of the circuit board of fig. 1. As shown in fig. 1 and 2, an embodiment of the present invention provides an electronic device including:

the shell comprises a front shell 1 and a rear shell 2, wherein the front shell 1 and the rear shell 2 enclose to form an accommodating cavity;

the circuit board 3 is arranged in the accommodating cavity, wherein the circuit board 3 can be fixed to the inner surface of the front shell 1;

a cable receptacle 4, the cable receptacle 4 being arranged at the rear housing 2 for connection with a cable plug (not shown in the figures), wherein, in connection with fig. 3a and 3b, the cable receptacle 4 comprises:

a hollow cavity 41, the hollow cavity 41 extending along the surface direction of the rear housing 2, an insertion opening 411 for a cable plug to be inserted into the hollow cavity 41 being opened at one end of the hollow cavity 41 from the periphery of the rear housing 2, a first electrical contact 412 electrically connected with the cable plug being provided at the other end of the hollow cavity 41, and the circuit board 3 having an elastic contact 31 protruding from the surface of one side facing the rear housing 2 to electrically connect with the first electrical contact 412; and

the clamping structure 42 is perpendicular to the extending direction of the hollow cavity 41, so as to limit the cable plug in the extending direction of the hollow cavity 41 and indicate the position of the cable plug in the hollow cavity 41.

In this embodiment, the electronic device realizes the electrical connection between the cable and the circuit board 3 inside the housing through the connection between the cable socket 4 and the cable plug, wherein the insertion opening of the cable socket 4 is opened on the periphery of the housing, and the extending direction of the hollow cavity 41 for accommodating the cable plug is the same as the extending direction of the rear housing 2 (the front housing 1), that is, the inserting direction of the cable plug is the same as the extending direction of the rear housing 2 (the front housing 1).

Generally, the position of the cable plug in the cable socket needs to generate a friction force for limiting the cable plug through interference fit between the plug and the socket, and although the fit can provide good fixation for the cable plug, the position of the cable plug in the cable socket cannot be clearly determined due to the difficulty of plugging and unplugging, and then whether the cable plug is installed in place cannot be determined. The plug and the socket which do not adopt interference fit are limited by the cable plug through other fixing structures, and the fixing structures mostly have various problems of high cost, complex structure, insufficient fixing force and the like.

In the present embodiment, the cable plug and the cable socket 4 are not in an interference fit, but are in a clearance fit manner, that is, although the cross section of the cable plug and the cross section of the cable socket 4 are matched in shape, the cross section of the cable plug is slightly smaller than that of the cable socket 4, so that the cable plug can be easily inserted into the cable socket 4. On this basis, the internal surface of the hollow cavity 41 of the cable socket 4 is provided with a clamping structure 42 for limiting the cable plug in the hollow cavity of the cable socket 4, the clamping structure 42 is matched with the cable plug in a detachable clamping manner, wherein the clamping structure 42 is perpendicular to the extending direction of the hollow cavity 41, namely perpendicular to the plugging and unplugging direction of the cable plug, so that the cable plug is limited in the plugging and unplugging direction of the cable plug, and the cable plug is fixed in the hollow cavity of the cable socket.

Further, the arrangement position of the clamping structure corresponds to the position where the cable plug is completely inserted into the hollow cavity 41 of the cable socket 4, so as to achieve the electrical connection between the cable and the circuit board, and when the cable plug is installed in place, the clamping fit between the clamping structure and the cable plug can provide the hand feeling of installation in place for a user, or further provide the prompt sound of installation in place, such as the click sound of the clamping fit. And when extracting the cable plug, joint structure limiting displacement can provide the resistance that hinders to extract for the user to prevent the maloperation and provide firm fixed for the cable plug.

Fig. 3a and 3b are schematic structural views of a rear case of the second embodiment in the electronic apparatus of the present invention. Fig. 4 is a schematic structural diagram of an interposer in the electronic device of the present invention. As shown in fig. 3a, 3b and 4, the cable socket 4 further includes:

and an adaptor 43, wherein the adaptor 43 is fixed to the other end of the hollow cavity 41, and the adaptor 43 comprises a first adaptor 431 and a second adaptor 432 which are vertically arranged and electrically connected with each other. The end surface of the first adaptor body 431 is a first electrical contact 412, which is perpendicular to the extending direction of the hollow cavity 41 and is exposed in the hollow cavity 41, the second adaptor body 432 has a second electrical contact 413 exposed from the inner surface of the rear housing 2, and the elastic contact 31 is electrically connected to the first electrical contact 412 by contacting the second electrical contact 413.

As can be seen from fig. 1, in the embodiment, the circuit board 3 has the elastic contact 31 protruding from a side surface facing the rear case 2 to electrically connect with the first electrical contact 412, but according to the installation position and the extending direction of the cable socket, the extending direction of the first electrical contact 412 is perpendicular to the extending direction of the hollow cavity 41 and is located at one end of the hollow cavity 41 located in the rear case 2, and the elastic contact is located on the surface of the circuit board 3 consistent with the extending direction of the hollow cavity 41, therefore, the present embodiment provides the adaptor 43 having an L-shape, which is made of a metal material as a whole, and the function of the electrical contact is realized by two metal surfaces perpendicular to each other, so that an electrical connection path is established between the circuit board 3 and the cable plug, and the structure is compact and does not need additional wiring.

Fig. 5a and 5b are schematic structural views of a rear case in a third embodiment of the electronic apparatus of the present invention. In the embodiment shown in fig. 5a and 5b, the catching structure 42 is a groove recessed from the first sidewall of the hollow cavity 41 toward the rear case 2, and/or a protrusion protruding from the first sidewall of the hollow cavity 41 toward the hollow cavity 41.

The hollow cavity 41 is enclosed by the first side walls, wherein the latch structures 42 may be disposed on any one or more of the first side walls, and any number may be provided according to the fixing force, the fixing position, and the like.

In a preferred embodiment, the latch structure 42 may be a concave groove formed in the first side wall, which is used to limit the cable plug by cooperating with a corresponding convex structure of the cable plug. Alternatively, the clamping structure 42 may be a protrusion protruding outward from the first side wall, and correspondingly, the cable plug may have a groove for accommodating the protrusion, so as to realize the clamping fit of the cable plug and the cable socket.

The mode that this kind of arch and recess matched with has the simple and easy manufacturing of structure, and the plug power is moderate, easy to assemble's advantage, and is very low to the structural requirement that sets up the space and set up the object simultaneously, can not cause great influence to the structure that sets up the object.

In the embodiment shown in fig. 5a and 5b, the snap-fit structure 42 is a groove recessed inwardly from the first side wall. It may be provided on only one first side wall, and in a preferred embodiment, the catching structure 42 is provided on a pair of opposite first side walls of the hollow cavity 41. The provision of the snap-in formations 42 on a number of different surfaces at the same time helps to prevent twisting, translation etc. of the cable plug in the cable socket, such as twisting in the plane of extension of the rear housing 2.

The number of snap structures 42 on a pair of opposing first side walls of the hollow cavity 41 is different. For example, in a preferred embodiment as shown in fig. 5a and 5b, one of the first side walls may have one catch formation thereon as shown in fig. 5a, and the opposite first side wall may have two catch formations thereon as shown in fig. 5 b. By this, the at least three snap-in structures can jointly define a plane intersecting the extension plane of the back shell 2, thereby preventing problems with twisting, translation etc. of the cable plug in the cable socket in all directions.

Further, as shown in fig. 5a and 5b, the cable socket of the electronic device of the present embodiment further includes a fool-proof structure 44. For example, the pair of opposite first sidewalls of the hollow cavity 41 may have different shapes, which may be achieved by providing chamfers at both ends of one of the first sidewalls, or by providing different lengths or widths to the pair of opposite first sidewalls.

As shown in fig. 6, another embodiment of the present invention further provides a cable plug 5 for an electronic device of the present invention, and as shown in fig. 5a and fig. 6, the cable plug 5 includes:

the cross-sectional shape of the plug housing 51 is matched with that of the hollow cavity 41, and the plug housing 51 is in clearance fit with the hollow cavity 41;

a cable 52, one end of the cable 52 being fixed to the plug housing 51 and having a third electrical contact 521 exposed to an end face of the plug housing 51, the cable 52 and the third electrical contact 521 being located at opposite end faces of the plug housing 51, respectively;

further comprising:

the snap structures 53 are engaged with the snap structures 42 in a one-to-one correspondence, and the positions where the snap structures 53 are engaged with the snap structures 42 correspond to the positions where the third electrical contact 521 is contacted and electrically connected with the first electrical contact 412.

When the cable plug 5 is inserted into the cable receptacle 4 along the extending direction of the hollow cavity 41 of the cable receptacle 4, the cable plug 5 is inserted in a direction in which the third electrical contact 521 faces the first electrical contact 412. The plug housing 51 is in clearance fit with the hollow cavity 41, that is, although the cross sections of the plug housing 51 and the hollow cavity 41 are matched in shape, the cross section of the plug housing 51 is slightly smaller than that of the hollow cavity 41, so that the cable plug can be inserted into the cable socket 4 without hindrance. On this basis, the inner surface of the hollow cavity 41 of the cable socket 4 is provided with a clamping structure 42 for limiting the cable plug 5 in the hollow cavity of the cable socket 4, the clamping structure 42 is detachably clamped and matched with the clamping structure 53 of the cable plug 5, wherein the clamping structure 42 is perpendicular to the extending direction of the hollow cavity 41, namely, perpendicular to the plugging direction of the cable plug 5, so that the cable plug is limited in the plugging direction of the cable plug 5, and the cable plug 5 is fixed in the hollow cavity 41 of the cable socket 4.

In this embodiment, joint structure and buckle structure all set up the position at cable plug and cable socket matched with lateral wall, and its simple structure can not cause the influence to the structure of electronic equipment and the space that sets up of inside components and parts to can provide the limiting displacement to the cable plug simultaneously and to the prompt of the position of cable plug, can conveniently be applicable to various compact structure's electronic equipment.

As shown in fig. 6, the snap structure 53 is a protrusion protruding outward from the surface of the plug housing 51 and/or a groove recessed inward from the surface of the plug housing 51.

The plug housing 51 is enclosed by the second side walls, wherein the snap structures 53 can be arranged on any one or more of the second side walls, and any number can be provided according to the magnitude of the fixing force, the requirement of the fixing position, etc. The snap structures 53 correspond to the snap structures 42 of the cable socket one to one.

In a preferred embodiment, the latching structure 42 may be a concave groove formed in the first side wall, and the latching structure 53 is a convex protrusion formed in the second side wall, and the latching structure 42 and the latching structure 53 cooperate to limit the cable plug. Alternatively, the clamping structure 42 may also be a protrusion protruding outward from the first side wall, and correspondingly, the cable plug may have a groove for accommodating the protrusion as a clamping structure, so as to realize the clamping fit of the cable plug and the cable socket.

In the embodiment shown in fig. 6, the snap structure 53 is a protrusion protruding outward from the second side wall. Which may be provided on one second side wall, and in a preferred embodiment, the snap features 53 are provided on a pair of opposing second side walls of the plug housing 51. Correspondingly, the catching structure 42 is a groove provided on a pair of opposite first sidewalls of the hollow cavity 41. Providing snap structures on a number of different surfaces at the same time may help to prevent problems with twisting, translation etc. of the cable plug in the cable socket, such as twisting in the extension plane of the rear shell 2.

The number of snap structures 42 on a pair of opposing first side walls of the hollow cavity 41 is different. Correspondingly, the number of snap features 53 on the pair of opposing second side walls of the plug housing 51 is also different. For example, in a preferred embodiment shown in fig. 6 and 7, one of the second side walls may have one snap feature as shown in fig. 6, and the opposite second side wall may have two snap features as shown in fig. 7. This arrangement corresponds to the configuration of the cable socket shown in figures 5a and 5 b. By this, the at least three snap structures can jointly define a plane intersecting the extension plane of the back shell 2, thereby preventing twisting, translation, etc. of the cable plug in the cable socket in all directions.

Further, as shown in fig. 6 and 7, the cable plug of the electronic device of the present embodiment further includes a fool-proof structure. For example, the pair of opposing second sidewalls of the plug housing 51 may have different shapes, which may be achieved by providing chamfers at both ends of one of the second sidewalls, or by providing a different length or width to the pair of opposing second sidewalls. Again, this arrangement corresponds to the configuration of the cable socket shown in fig. 5a and 5 b.

As shown in fig. 8, another embodiment of the present invention also provides an electronic device, including: an electronic device of any of the embodiments as shown in fig. 1 to 5b, and a cable plug of any of the embodiments as shown in fig. 6 to 7.

The plug housing 51 is in clearance fit with the hollow cavity 41, that is, although the cross sections of the plug housing 51 and the hollow cavity 41 are matched in shape, the cross section of the plug housing 51 is slightly smaller than that of the hollow cavity 41, so that the cable plug can be inserted into the cable socket 4 without hindrance. On this basis, the inner surface of the hollow cavity 41 of the cable socket 4 is provided with a clamping structure 42 for limiting the cable plug 5 in the hollow cavity of the cable socket 4, the clamping structure 42 is detachably clamped and matched with the clamping structure 53 of the cable plug 5, wherein the clamping structure 42 is perpendicular to the extending direction of the hollow cavity 41, namely, perpendicular to the plugging direction of the cable plug 5, so that the cable plug is limited in the plugging direction of the cable plug 5, and the cable plug 5 is fixed in the hollow cavity 41 of the cable socket 4.

In one embodiment, the latching structure 42 is a concave groove recessed from the first sidewall of the hollow cavity 41 toward the rear housing 2, and the latching structure 53 is a convex protrusion protruding from the second sidewall of the plug housing 51, wherein, as shown in fig. 9, a first distance L between a pair of opposite first sidewalls is greater than a second distance L between a corresponding pair of second sidewalls, and is smaller than a sum of the second distance L between a corresponding pair of second sidewalls and a height h of the convex protrusion.

The height of the interference between the protrusion and the groove determines the plugging force of the cable plug. The plug housing 51 and the snap structure 53 are mostly made of plastic materials with a certain elastic deformation. When under the effect of external force, protruding and recess production when interfering, the accessible realizes protruding process that stretches into to recess inside from the recess outside to protruding extrusion deformation, or removes to the recess outside from the recess is inside. The extrusion deformation provides the hand feeling of in-place installation for a user, and further, when the cable plug is pulled out, the limiting effect of the clamping structure can provide resistance for the user to pull out, so that misoperation is prevented, and firm fixation is provided for the cable plug.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention and is not intended to limit the scope of the present invention, and equivalent embodiments or modifications such as combinations, divisions or repetitions of the features without departing from the technical spirit of the present invention are included in the scope of the present invention.

Claims

1. An electronic device, comprising:

the shell comprises a front shell (1) and a rear shell (2), and the front shell (1) and the rear shell (2) are enclosed to form an accommodating cavity;

the circuit board (3), the said circuit board (3) is set up in the said holding cavity;

a cable receptacle (4), the cable receptacle (4) being provided at the rear case (2) to be connected with a cable plug (5), the cable receptacle (4) including:

the cable connector comprises a hollow cavity (41), wherein the hollow cavity (41) extends along the surface direction of the rear shell (2), an insertion hole (411) for the cable plug (5) to be inserted into the hollow cavity (41) is formed in one end of the hollow cavity (41) from the periphery of the rear shell (2), a first electric contact (412) electrically connected with the cable plug (5) is arranged at the other end of the hollow cavity (41), and an elastic contact (31) protruding from the surface of one side of the rear shell (2) is arranged on the circuit board (3) and electrically connected with the first electric contact (412); and

clamping structure (42), clamping structure (42) perpendicular to the extending direction of cavity (41) is in order spacing on the extending direction of cavity (41) cable plug (5) and suggestion cable plug (5) are in the position in cavity (41).

2. The electronic device according to claim 1, wherein the cable socket (4) further comprises:

an adaptor (43), the adaptor (43) being fixed to the other end of the hollow cavity (41), the adaptor (43) including a first adaptor (431) and a second adaptor (432) which are vertically arranged and electrically connected to each other,

an end surface of the first adaptor body (431) is the first electrical contact (412) which is perpendicular to the extending direction of the hollow cavity (41) and is exposed in the hollow cavity (41),

the second adaptor (432) has a second electrical contact (413) exposed from the inner surface of the rear housing (2), and the elastic contact (31) is electrically connected to the first electrical contact (412) by contacting the second electrical contact (413).

3. The electronic device according to claim 1, wherein the clamping structure (42) is a groove recessed from the first sidewall of the hollow cavity (41) towards the rear housing (2) and/or a protrusion protruding from the first sidewall of the hollow cavity (41) towards the hollow cavity (41).

4. The electronic device of claim 3, wherein the snap structure (42) is disposed on a pair of opposing first sidewalls of the hollow cavity (41).

5. The electronic device of claim 4, wherein a number of snap structures (42) on a pair of opposing first sidewalls of the hollow cavity (41) is different.

6. A cable plug (5) for an electronic device according to any one of claims 1 to 5, comprising:

the cross-sectional shape of the plug shell (51) is matched with that of the hollow cavity (41), and the plug shell (51) is in clearance fit with the hollow cavity (41);

a cable (52), one end of the cable (52) being fixed to the plug housing (51) and having a third electrical contact (521) exposed to an end face of the plug housing (51), the cable (52) and the third electrical contact (521) being located at opposite end faces of the plug housing (51), respectively;

further comprising:

the clamping structures (42) are matched with the buckling structures (53) in a one-to-one correspondence mode, and the positions, where the buckling structures (53) and the clamping structures (42) are matched in place, correspond to the positions, where the third electric contact (521) is contacted with the first electric contact (412) and is electrically connected with the first electric contact.

7. Cable plug (5) according to claim 6, characterized in that the snap-in structure (53) is a protrusion protruding outwards from a surface of the plug housing (51) and/or a groove recessed from a surface of the plug housing (51).

8. Cable plug (5) according to claim 7, wherein the snap-in structure (53) is provided on a pair of opposite second side walls of the plug housing (51).

9. Cable plug (5) according to claim 8, wherein the number of snap structures (53) on a pair of opposite second side walls of the plug housing (51) is different.

10. An electronic device, comprising:

the clamping structure (42) is perpendicular to the extending direction of the hollow cavity (41), so that the cable plug (5) is limited in the extending direction of the hollow cavity (41), and the position of the cable plug (5) in the hollow cavity (41) is prompted;

the cable plug (5) comprises:

a cable (52), one end of the cable (52) being fixed to the plug housing (51) and having a third electrical contact (521) exposed to an end face of the plug housing (51), the cable (52) and the third electrical contact (521) being located at opposite end faces of the plug housing (51), respectively; and

11. The electronic device of claim 10, wherein the snap structure (42) is a groove recessed from a first side wall of the hollow cavity (41) towards the rear housing (2), the snap structure (53) is a protrusion protruding outward from a second side wall of the plug housing (51),

a first spacing (L) between a pair of opposing first sidewalls is greater than a second spacing (L) between a corresponding pair of second sidewalls and less than a sum of the second spacing (L) between the corresponding pair of second sidewalls and a height (h) of the protrusion.