Charging seat and charging system for electronic mobile terminal

Abstract

The utility model relates to a charging seat and a charging system for an electronic mobile terminal. The charging seat comprises a base; the limiting seat is arranged on the base, and the limiting seat comprises a supporting main body and a first limiting part; the supporting main body comprises a ring arm extending from the base and an opening formed in the ring arm, and the ring arm surrounds the peripheral side of the electronic mobile terminal; the first limiting part is convexly arranged on the inner surface of the ring arm, and the first limiting part is matched with a first guide groove in the electronic mobile terminal; and a charging terminal. According to the charging method and the charging device, a charging solution that a user does not need to disassemble and assemble lining accessories is designed, the tedious steps of identifying the form of the equipment and disassembling and assembling the lining parts before charging are eliminated, the simplified operation process reduces the operation difficulty of the user, and the convenience of the charging process and the user experience are improved; the design of the charging base is optimized, the charging base can be compatible with electric equipment with / without a protective sleeve, additional lining accessories are not needed, and quick plugging and charging of electric equipment in different forms can be achieved.

Description

Technical Field

[0001] This application relates to the field of charging technology, and in particular to charging docks and charging systems for electronic mobile terminals. Background Technology

[0002] In the design of modern electronic mobile devices, protective cases are often provided for users to choose to install in order to improve the durability and safety of the devices. With the development of technology, plug-and-play charging technology has emerged, designed to achieve compatibility with electrical devices with and without protective cases by installing or removing the inner sleeve accessory. This design aims to provide users with flexibility, allowing them to provide additional protection for their devices when needed, while keeping the charging interface simple when not in use.

[0003] While this design was initially intended to improve device compatibility and user convenience, several significant issues exist. First, users must identify the device's form factor and disassemble the charger's inner lining accordingly before charging. This process is not only cumbersome but also prone to errors such as charging failure or device damage due to improper assembly. Second, the inner lining components easily separate from the charger after disassembly, increasing the risk of loss, confusion, deformation, or damage. Furthermore, manufacturing the inner lining components requires additional molds and procurement costs, increasing both production costs and supply chain management complexity. Finally, the diversity of assembly relationships and dimensions makes large-scale production difficult and costly to manage, and also increases the risk of assembly anomalies. These problems limit the widespread application of existing technologies and prompt the industry to seek more efficient and reliable solutions. Utility Model Content

[0004] Therefore, it is necessary to provide a charging dock and charging system for electronic mobile terminals that is easy to install and saves space, in order to address the above problems.

[0005] On one hand, a charging dock for an electronic mobile terminal is provided, the charging dock comprising:

[0006] The base is placed on the external plane;

[0007] A limiting seat is disposed on the base, the limiting seat including a supporting body and a first limiting part; the supporting body includes a ring arm extending from the base and an opening formed on the ring arm, through which an electronic mobile terminal can be inserted, the ring arm surrounding the periphery of the electronic mobile terminal; the first limiting part protrudes from the inner surface of the ring arm, and the first limiting part matches a first guide groove on the electronic mobile terminal; and

[0008] A charging terminal is located at the bottom of the limiting seat, and the charging terminal can be electrically connected to the electronic mobile terminal.

[0009] In one of the embodiments, the ring arm comprises a side wall, a front wall and a back wall, the side wall is between the front wall and the back wall, the side wall corresponds to the circumference of the electronic mobile terminal, the first limiting part is arranged on the side wall.

[0010] In one of the embodiments, the front wall is provided with a second limiting part, the second limiting part is arranged against the electronic mobile terminal; and / or, the back wall is provided with a third limiting part, the third limiting part is arranged against the electronic mobile terminal.

[0011] In one of the embodiments, the front wall corresponds to the front of the electronic mobile terminal, the back wall corresponds to the back of the electronic mobile terminal, the second limiting part is protruded on the inner surface of the ring arm, and the third limiting part is recessed on the inner surface of the ring arm.

[0012] In one of the embodiments, at least one of the front wall and the back wall is provided with a notch communicating with the opening, and the second limiting part and / or the third limiting part is located at the edge of the notch.

[0013] In one of the embodiments, the support body comprises a bottom wall, the charging terminals are arranged on the bottom wall, and a fourth limiting part is protruded between each of the charging terminals, the height of the fourth limiting part is lower than the height of the charging terminals.

[0014] In one of the embodiments, the side of the base is provided with a wire insertion hole, and the wire insertion hole is electrically connected with the charging terminals.

[0015] On the other hand, a charging system for an electronic mobile terminal is provided, comprising:

[0016] a charging base as described above; and

[0017] a ring-shaped protective sleeve, which is arranged on the circumference of the electronic mobile terminal, is provided with a first avoiding hole and a second guide groove, the position of the first avoiding hole matches the charging terminals, and the second guide groove is in butt joint with the first limiting part.

[0018] In one of the embodiments, the ring arm of the charging base comprises a side wall, a front wall and a back wall, the front wall is provided with a second limiting part which is arranged against the electronic mobile terminal, a first accommodating groove is formed between the first limiting part and the second limiting part, and the ring-shaped protective sleeve is accommodated in the first accommodating groove after the electronic mobile terminal is arranged in the charging base.

[0019] In one of the embodiments, the ring arm of the charging base comprises a side wall, a front wall and a rear wall, the rear wall is provided with a third limiting part abutting against the electronic mobile terminal, a second accommodating groove is formed between the first limiting part and the third limiting part, and the ring-shaped protective sleeve is accommodated in the second accommodating groove after the electronic mobile terminal is loaded into the charging base.

[0020] The application eliminates the cumbersome steps of identifying the device form and disassembling the lining before charging by designing a charging solution without the need for users to disassemble the lining accessory, and the simplified operation process reduces the operation difficulty of users and improves the convenience and user experience of the charging process; the charging base design is optimized to be compatible with power consumption devices with / without protective sleeves, without the need for additional lining accessories, and the quick plug-in charging of power consumption devices with different forms can be realized through the first limiting part for guidance and positioning without other assembly actions; the structure is simplified, and there is no loss, deformation and damage of the disassembled parts, which can ensure the stability and reliability of the charging process and avoid the problems of charging failure or device damage caused by improper assembly; the manufacturing and procurement costs of additional lining accessories are avoided, the mold cost is reduced, which helps to reduce the overall production cost, reduce the use cost of users and improve the market competitiveness of products; the assembly relationship and size diversity are reduced, the management and control process of large-scale production is simplified, and the product specifications are unified, which helps to reduce the difficulty and cost of production management and control, establish a standardized supporting system, improve production efficiency and reduce the risk of assembly abnormalities. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is an exploded view of an electronic mobile terminal and a charging system in one embodiment of the application.

[0022] Figure 2 It is an exploded view of an electronic mobile terminal and a charging system in one embodiment of the application.

[0023] Figure 3 It is an assembly structure diagram of an electronic mobile terminal and a charging system in one embodiment of the application.

[0024] Figure 4 It is a structure diagram of a charging base in one embodiment of the application.

[0025] Figure 5 It is a cross-sectional structure diagram of a charging base in one embodiment of the application.

[0026] Figure 6 It is a cross-sectional structure diagram of a charging system in one embodiment of the application.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 1, charging base; 2, electronic mobile terminal; 20, first guide groove; 21, front surface; 22, back surface; 23, peripheral surface; 3, annular protective sleeve; 30, second guide groove; 31, first avoiding hole; 32, second avoiding hole; 33, third avoiding hole; 100, limiting seat; 101, charging cavity; 102, notch; 110, supporting main body; 111, annular arm; 112, connecting arm; 113, first limiting part; 114, second limiting part; 115, third limiting part; 116, fourth limiting part; 120, charging terminal; 130, first containing groove; 132, second containing groove; 132, side wall; 133, back wall; 134, front wall; 200, base; 201, wire insertion hole. DETAILED DESCRIPTION

[0029] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different ways beyond the specific embodiments described and it is to be understood that the present application is not limited in this regard. In other instances, well-known methods have not been described in detail in order to avoid unnecessarily obscuring the present application.

[0030] In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0031] In addition, if the terms "first", "second" appear, these terms are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features referred to. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, if the term "multiple" appears, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0032] In the present application, unless specifically defined otherwise, if there is an appearance of the terms "installation", "connection", "connection", "fixation" and the like, these terms should be broadly interpreted. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically defined. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] In the present application, unless specifically defined otherwise, if there is a description of the first feature "on" or "under" the second feature and the like, it can mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be the first feature directly above or obliquely above the second feature, or it can only mean that the first feature is higher than the second feature in horizontal height. The first feature "below", "below" and "below" the second feature can be the first feature directly below or obliquely below the second feature, or it can only mean that the first feature is lower than the second feature in horizontal height.

[0034] It should be noted that if an element is referred to as "fixed to" or "disposed on" another element, it can be directly on another element or there can be a middle element. If an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. If present, the terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used in the present application are for illustrative purposes only and are not the only embodiment.

[0035] Referring to Figures 1-6 , Figures 1-3 An assembly diagram of an electronic mobile terminal 2 and a charging system in an embodiment of the present application is shown, Figure 4 An assembly diagram of an electronic mobile terminal 2 and a charging system in an embodiment of the present application is shown, Figures 5-6 An assembly diagram of an electronic mobile terminal 2 and a charging system in an embodiment of the present application is shown,

[0036] The following describes an industrial code-scannable mobile phone terminal as an example. The device has a dedicated charging base 1. The conventional charging base 1 is provided with a lining accessory installed between the mobile phone and the charging base 1 to support and position the mobile phone. When using the conventional charging base 1, the user needs to identify the shape of the device and disassemble and assemble the lining accessory of the charger accordingly before charging. This process is not only cumbersome, but also prone to improper assembly, which may result in charging failure or device damage. Second, the lining accessory is prone to separation from the charger after disassembly, increasing the risk of loss, confusion, deformation, or damage. In addition, the manufacture of the lining accessory requires additional mold and procurement costs, which not only increases production costs but also increases the complexity of supply chain management. Finally, due to the diversity of assembly relationships and sizes, large-scale production control is difficult and costly, and the risk of assembly abnormalities increases. These problems limit the wide application of existing technology and prompt the industry to seek more efficient and reliable solutions.

[0037] The charging base 1 of the present application includes a base 200, a limiting seat 100, and a charging terminal 120. The base 200 is placed on an external plane. The limiting seat 100 is provided on the base 200, and the limiting seat 100 includes a support body 110 and a first limiting part 113. The support body 110 includes a ring arm 111 extending from the base 200 and an opening formed on the ring arm 111, through which the electronic mobile terminal 2 can be inserted, and the ring arm 111 surrounds the side of the electronic mobile terminal 2. The first limiting part 113 is protruded on the inner surface of the ring arm 111, and the first limiting part 113 matches the first guide groove 20 on the electronic mobile terminal 2. The charging terminal 120 is provided at the bottom of the limiting seat 100, and the charging terminal 120 can be electrically connected with the electronic mobile terminal 2.

[0038] The charging system provided by the present application includes the charging base 1 and the annular protective sleeve 3 as described above. The annular protective sleeve 3 is provided on the side of the electronic mobile terminal 2, and the annular protective sleeve 3 is provided with a first avoiding hole 31 and a second guide groove 30. The position of the first avoiding hole 31 matches the charging terminal 120, and the second guide groove 30 is in butt joint with the first limiting part 113.

[0039] The application eliminates the cumbersome steps of identifying the device form and disassembling the lining before charging by designing a charging solution without the need for the user to disassemble the lining accessory, which simplifies the operation process, reduces the user's operation difficulty, and improves the convenience and user experience of the charging process; The design of the charging seat 1 can be compatible with electrical equipment with / without protective sleeves, without the need for additional lining accessories, and can realize the quick plug-in charging of electrical equipment of different forms, guided and positioned by the first limiting part 113, without the need for other assembly actions; The structure is simplified, and there is no loss, deformation, and damage of the disassembled parts, which can ensure the stability and reliability of the charging process, avoid the problem of unable to charge or equipment damage caused by improper assembly; Avoid the manufacturing and procurement cost of additional lining accessories, reduce the mold cost, which helps to reduce the overall production cost, reduce the user's use cost, and improve the market competitiveness of the product; Reduce the diversity of assembly relationship and size, simplify the management and control process of large-scale production, and unify the product specifications, which helps to reduce the difficulty and cost of production management and control, establish a standardized supporting system, improve production efficiency, and reduce the risk of assembly abnormalities.

[0040] The base 200 is in the shape of a table with a certain height, and the upper surface of the table-shaped base 200 is basically planar, and the limiting seat 100 is placed on the upper surface. The base 200 and the limiting seat 100 can be integrally formed. The support main body 110 of the limiting seat 100 is in the shape of a ring, which defines an internal charging cavity 101. The electronic mobile terminal 2 is installed into the charging cavity 101 along the first direction (indicated by the arrow) Figure 1 The support main body 110 can be arranged around at least part of the outer surface of one end of the electronic mobile terminal 2 at this time.

[0041] The support main body 110 includes a ring arm 111 and a connecting arm 112, and the connecting arm 112 is arranged around the height of the charging terminal 120. The connecting arm 112 is connected between the ring arm 111 and the base 200, and the ring arm 111 is arranged around the height of the electronic mobile terminal 2.

[0042] In one embodiment, the ring arm 111 includes a side wall 132, a front wall 134, and a rear wall 133, the side wall 132 is located between the front wall 134 and the rear wall 133, the side wall 132 corresponds to the circumferential side of the electronic mobile terminal 2, and the first limiting part 113 is arranged on the side wall 132.

[0043] Two of the loop arms 111 are spaced apart and oppositely curved, and the curved portions form the front wall 134 and the rear wall 133 to clamp and enclose the electronic mobile terminal 2. The front wall 134 corresponds to the front face 21 of the electronic mobile terminal 2, the rear wall 133 corresponds to the back face 22 of the electronic mobile terminal 2, and the side wall 132 corresponds to the side face 23 of the electronic mobile terminal 2 having a thickness. When the front face 21 of the electronic mobile terminal 2 is provided with keys, the front wall 134 abuts the edge of the keys or the edge between the keys.

[0044] The first limiting portion 113 is protruded on the inner surface of the side wall 132 and is substantially parallel to the front wall 134 and the rear wall 133. The side wall 132 is arc-shaped to fit the shape of the electronic mobile terminal 2, and the arc-shaped side wall 132 is curved towards the inside of the charging cavity 101 in the first direction. Therefore, the height of the first limiting portion 113 protruded on the inner surface of the side wall 132 gradually decreases in the first direction, and finally the electronic mobile terminal 2 can abut the lower end of the side wall 132 or the connecting arm 112 after being installed into the charging cavity 101.

[0045] In one embodiment, the front wall 134 is provided with a second limiting portion 114 abutting the electronic mobile terminal 2, and / or the rear wall 133 is provided with a third limiting portion 115 abutting the electronic mobile terminal 2. The front wall 134 corresponds to the front face 21 of the electronic mobile terminal 2, the rear wall 133 corresponds to the back face 22 of the electronic mobile terminal 2, the second limiting portion 114 is protruded on the inner surface of the loop arm 111, and the third limiting portion 115 is recessed on the inner surface of the loop arm 111.

[0046] Specifically, the second limiting portion 114 corresponds to the front face 21 of the electronic mobile terminal 2, and the third limiting portion 115 corresponds to the back face 22 of the electronic mobile terminal 2. When the front face 21 of the electronic mobile terminal 2 is provided with keys, the second limiting portion 114 abuts the edge of the keys or the edge between the keys. The area between the edge of the keys and the side wall is generally a concave area, and the protruded second limiting portion 114 can abut the concave area.

[0047] In one embodiment, at least one of the front wall 134 and the rear wall 133 is provided with a notch 102 communicating with the opening, and the second limiting portion 114 and / or the third limiting portion 115 is located at the edge of the notch 102.

[0048] The gap 102 on the front wall 134 is used to avoid the display screen or the key of the front face 21 of the electronic mobile terminal 2, and the gap 102 on the back wall 133 is used to expose the back face 22 of the electronic mobile terminal 2 to facilitate charging and heat dissipation. When at least one of the front wall 133 and the back wall 133 is not provided with the gap 102, the ring arm 111 is provided with one and has an overall ring structure.

[0049] In one embodiment, the support body 110 includes a bottom wall, and the charging terminals 120 are arranged on the bottom wall. A fourth limiting part 116 is arranged between each of the charging terminals 120, and the height of the fourth limiting part 116 is lower than the height of the charging terminals 120.

[0050] Specifically, the bottom wall is located in the ring-shaped connecting arm 112, and the bottom wall is connected with the side wall 132, the front wall 134 and the back wall 133 to form a continuous surface. The middle part of the bottom wall is provided with the charging terminals 120. After the electronic mobile terminal 2 is installed into the charging seat 1, the charging terminals 120 are electrically connected with the charging port at one end of the electronic mobile terminal 2. The upper edge of the connecting arm 112 forms the edge of the gap 102. In the first direction, the bottom wall is recessed relative to the upper edge of the connecting arm 112. After the electronic mobile terminal 2 is installed, the bottom of the electronic mobile terminal 2 abuts against the bottom wall, and the connecting arm 112 can also surround the electronic mobile terminal 2.

[0051] The plurality of charging terminals 120 are arranged at intervals on the bottom wall, and a fourth limiting part 116 is arranged between the intervals to share the force borne by the charging terminals 120. A fifth limiting part is also arranged on the bottom wall and arranged at intervals near the charging terminals 120. The height of the fifth limiting part is equal to or slightly higher than the height of the charging terminals 120 before compression.

[0052] In one embodiment, the side of the base 200 is provided with a wire insertion hole 201, and the wire insertion hole 201 is electrically connected with the charging terminals 120. Specifically, the inside of the base 200 is provided with a connecting wire, and the connecting wire electrically connects the wire insertion hole 201 and the charging terminals 120 inside the base 200. The wire insertion hole 201 is used to connect the external power line, and the electronic mobile terminal 2 vertically charged in the first direction is integrated in the base 200, which is more convenient for connecting the power line. The limiting seat 100 and the charging terminals 120 on one base 200 can be provided with a plurality of.

[0053] In the charging system provided for the electronic mobile terminal 2, the ring-shaped protective sleeve 3 is ring-shaped and is sleeved on the circumferential side 23 of the electronic mobile terminal 2, so that the front face 21 and the back face 22 are not wrapped by the ring-shaped protective sleeve 3.

[0054] The first avoiding hole 31 is used for avoiding the charging port. The annular protective sleeve 3 further comprises a second avoiding hole 32, a third avoiding hole 33 and a fourth avoiding hole. The second avoiding hole 32 is used for avoiding the display screen and / or the key of the front face 21 of the electronic mobile terminal 2. The third avoiding hole 33 is used for avoiding the protruding battery or other structure of the back face 22 of the electronic mobile terminal 2. The third avoiding hole 33 can be smaller than the second avoiding hole 32, so that the annular protective sleeve 3 can protect more area of the back face 22. The fourth avoiding hole is used for avoiding the power button of the lateral face 23 of the electronic mobile terminal 2.

[0055] The second guide slot 30 is in the shape of a slot or a through hole. The second guide slot 30 can be provided to avoid the provision of the first guide slot 20, so as to avoid the slotting on the electronic mobile terminal 2. The second guide slot 30 and the first guide slot 20 can also exist simultaneously, so that the electronic mobile terminal 2 can have the use function of self-fast charging and fast charging with the annular protective sleeve 3.

[0056] In one embodiment, the ring arm 111 of the charging base 1 comprises a side wall 132, a front wall 134 and a back wall 133. The front wall 134 is provided with the second limiting part 114 abutting against the electronic mobile terminal 2. The first limiting part 113 and the second limiting part 114 form the first accommodating slot 130. After the electronic mobile terminal 2 is loaded into the charging base 1, the annular protective sleeve 3 is accommodated in the first accommodating slot 130.

[0057] The protruding first limiting part 113 and the second limiting part 114 form the first accommodating slot 130 in the direction along the arc-shaped side wall 132. When the second guide slot 30 of the annular protective sleeve 3 abuts against the first limiting part 113, the remaining part of the annular protective sleeve 3 located around the second guide slot 30 enters the first accommodating slot 130. The protruding first limiting part 113 and the third limiting part 115 form the second accommodating slot 132 in the direction along the arc-shaped side wall 132. When the second guide slot 30 of the annular protective sleeve 3 abuts against the first limiting part 113, the remaining part of the annular protective sleeve 3 located around the second guide slot 30 enters the second accommodating slot 132. The first accommodating slot 130 and the second accommodating slot 132 are provided at least one. The accommodating slot can realize the fast plugging and charging of the electronic mobile terminal 2 with the protective sleeve, and protect the electronic mobile terminal 2 from the abrasion between the terminal and the charging base 1.

[0058] In one of the embodiments, the annular protective sleeve 3 is made of a deformable memory material to adapt to different sizes of the electronic mobile terminal 2.

[0059] The technical features of the above-described embodiments can be combined in any manner. For the sake of brevity, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not result in contradictions, they shall be considered as falling within the scope of the present disclosure.

[0060] The above-described embodiments are merely representative of several embodiments of the present application, and the description is relatively specific and detailed, but should not be construed as limiting the scope of the patent application. It should be noted that for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the scope of the present application. Therefore, the scope of the patent of the present application shall be subject to the appended claims.

Claims

1. A charging dock for an electronic mobile terminal, characterized in that, The charging dock includes: The base is placed on the external plane; A limiting seat is disposed on the base, the limiting seat including a supporting body and a first limiting part; the supporting body includes a ring arm extending from the base and an opening formed on the ring arm, through which an electronic mobile terminal can be inserted, the ring arm surrounding the periphery of the electronic mobile terminal; the first limiting part protrudes from the inner surface of the ring arm, and the first limiting part matches a first guide groove on the electronic mobile terminal; and A charging terminal is located at the bottom of the limiting seat, and the charging terminal can be electrically connected to the electronic mobile terminal.

2. The charging dock for electronic mobile terminals according to claim 1, characterized in that, The ring arm includes a side wall, a front wall, and a rear wall. The side wall is located between the front wall and the rear wall and corresponds to the periphery of the electronic mobile terminal. The first limiting part is provided on the side wall.

3. The charging dock for electronic mobile terminals according to claim 2, characterized in that, The front wall is provided with a second limiting part, which abuts against the electronic mobile terminal; and / or, the rear wall is provided with a third limiting part, which abuts against the electronic mobile terminal.

4. The charging dock for electronic mobile terminals according to claim 3, characterized in that, The front wall corresponds to the front of the electronic mobile terminal, the rear wall corresponds to the back of the electronic mobile terminal, the second limiting part protrudes from the inner surface of the ring arm, and the third limiting part is recessed from the inner surface of the ring arm.

5. The charging dock for electronic mobile terminals according to claim 4, characterized in that, At least one of the front wall and the rear wall is provided with a notch communicating with the opening, and the second limiting portion and / or the third limiting portion is located at the edge of the notch.

6. The charging dock for electronic mobile terminals according to claim 1, characterized in that, The supporting body includes a bottom wall, the charging terminals are disposed on the bottom wall, and a fourth limiting part is protruding between each charging terminal, the height of the fourth limiting part being lower than the height of the charging terminal.

7. The charging dock for electronic mobile terminals according to claim 1, characterized in that, The base has a plug hole on its side, which is electrically connected to the charging terminal.

8. A charging system for an electronic mobile terminal, characterized in that, include: The charging dock as described in any one of claims 1-7; and An annular protective sleeve is fitted around the periphery of the electronic mobile terminal. The annular protective sleeve has a first clearance hole and a second guide groove. The position of the first clearance hole matches the charging terminal, and the second guide groove is connected to the first limiting part.

9. The charging system for electronic mobile terminals according to claim 8, characterized in that, The charging dock's ring arm includes a side wall, a front wall, and a rear wall. The front wall has a protruding second limiting part that abuts against the electronic mobile terminal. A first receiving groove is formed between the first limiting part and the second limiting part. After the electronic mobile terminal is installed in the charging dock, the annular protective sleeve is received in the first receiving groove.

10. The charging system for an electronic mobile terminal according to claim 8, characterized in that, The charging dock has a ring arm with a side wall, a front wall and a rear wall. The rear wall has a third limiting part that abuts against the electronic mobile terminal. A second receiving groove is formed between the first limiting part and the third limiting part. After the electronic mobile terminal is installed in the charging dock, the annular protective sleeve is received in the second receiving groove.

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