Mobile phone charging head insulation protective sleeve and charging terminal
By adding a protective case and an insulating case on the charging head, the insulating case is used to wrap the charging plug when not in use, solving the safety problems caused by the exposure of the charging plug and improving the safety of the charging head.
Patent Information
- Application Number
- CN202421960869.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-08-13
AI Technical Summary
The exposure of the charging plug of the traditional charging head can easily cause safety problems of electric shock and fire in the human body.
A protective case is added to the outer shell and the charging plug of the charging head, and an insulating shell, a magnet or a spring is installed in the protective shell. The insulating shell wraps the charging plug when not in use, and retracts to the storage cavity during use to reduce human contact.
It effectively reduces the safety hazards caused by the exposure of the charging plug and improves the safety of the charging head.
Smart Images

Figure CN223181437U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of charger accessories, in particular to an insulating protection sleeve for a mobile phone charger head. Background Technique
[0002] With the development of mobile phones, mobile phones have become increasingly important in today's society. At the same time, there are more and more mobile phone charger accessories, but many safety problems have also emerged during use. For example, the charging plug of a traditional charger head is metal and directly exposed. When it is powered on, if it directly contacts the human body or conductive flammable substances, it is easy to cause danger. In real life, there have been many cases of electric shock to the human body and fires caused by the exposed charging plug of the charger head.
[0003] The utility model can effectively reduce the occurrence of such safety problems, ensure that when the mobile phone is not charging, the charging plug of the charger head is insulated and protected, and has the characteristics of simple structure and convenient operation, which is conducive to popularization and application. Content of the Utility Model
[0004] The purpose of the utility model is to provide an insulating protection sleeve for a mobile phone charger head, aiming to solve the technical problem of how to effectively reduce the safety problems caused by the exposed charging plug mentioned in the background technique.
[0005] In order to achieve the above purpose, the technical solution of the utility model is as follows:
[0006] An insulating protection sleeve for a mobile phone charger head, which includes:
[0007] A charger head, which includes a wire, a housing, and a charging plug;
[0008] A protective shell, which is arranged on the housing. The protective shell is provided with a receiving cavity and an opening communicating with the receiving cavity. The opening is arranged at one end of the protective shell close to the charging plug; a first magnet and a second magnet are arranged in the receiving cavity;
[0009] An insulating shell, which is arranged in the protective shell. The insulating shell is movably arranged at the opening. The insulating shell has a protection position and a use position relative to the protective shell;
[0010] When the insulating shell is in the protection position, the insulating shell wraps around the charging plug;
[0011] When the insulating shell is in the use position, the insulating shell retracts into the receiving cavity to expose the charging plug.
[0012] Compared with the prior art, in the present application, a protective case is added to the outer shell and the charging plug of the charger head. An insulating case is provided inside the protective case, and the first magnet and the second magnet are arranged in the accommodating cavity of the protective case and the insulating case. When the insulating case is in the protective position, the insulating case wraps around the charging plug. When the insulating case is in the use position, the insulating case retracts into the accommodating cavity to expose the charging plug, thereby reducing the contact between the human body and the charging plug when not charging, improving the safety of using the charger head, and being conducive to wide promotion and application.
[0013] In one embodiment, the opening is provided with an extending portion extending inwards; one end of the insulating case close to the protective case is provided with a limiting portion extending outwards; when the insulating case is in the protective position, the limiting portion abuts against the extending portion.
[0014] In one embodiment, one end of the protective case close to the wire is provided with an end portion, the first magnet is arranged in the end portion, and the second magnet is arranged in the limiting portion; the first magnet and the second magnet have repulsive magnetic forces.
[0015] In one embodiment, the first magnet is arranged inside the extending portion, and the second magnet is arranged outside the limiting portion; the first magnet and the second magnet have attractive magnetic forces.
[0016] In one embodiment, the insulating protection sleeve for a mobile phone charger head includes:
[0017] A charger head, which includes a wire, an outer shell, and a charging plug;
[0018] A protective case, which is arranged on the outer shell. The protective case is provided with an accommodating cavity and an opening communicating with the accommodating cavity. The opening is arranged at one end of the protective case close to the charging plug; a spring is arranged in the accommodating cavity;
[0019] An insulating case, which is arranged inside the protective case. The insulating case is movably arranged at the opening. The insulating case has a protective position and a use position relative to the protective case;
[0020] When the insulating case is in the protective position, the insulating case wraps around the charging plug;
[0021] When the insulating case is in the use position, the insulating case retracts into the accommodating cavity to expose the charging plug.
[0022] In one embodiment, the opening is provided with an extending portion extending inwards; one end of the insulating case close to the protective case is provided with a limiting portion extending outwards; the limiting portion abuts against the extending portion.
[0023] In one embodiment, an end portion is provided at one end of the protective case close to the electric wire. The end portion wraps the outer case, and two springs are arranged on both sides of the outer case. One end of each spring is connected to the limiting portion, and the other end of each spring is connected to the end portion, so that the insulating case makes a telescopic movement along the axial direction of the protective case at the opening.
[0024] In one embodiment, two springs are arranged between the extending portion and the limiting portion, and the two springs are arranged opposite to each other. One end of each spring is connected to the inner side of the extending portion, and one end of each spring is connected to the outer side of the limiting portion, so that the insulating case makes a telescopic movement along the axial direction of the protective case at the opening.
[0025] In one embodiment, a charging terminal charges by using the insulating protection sleeve for a mobile phone charger head as described above.
[0026] For better understanding and implementation, the present utility model will be described in detail below with reference to the accompanying drawings. Description of the Drawings
[0027] Figure 1 is an external view of the insulating case of an insulating protection sleeve for a mobile phone charger head in a protected position;
[0028] Figure 2 is an external view of the insulating case of an insulating protection sleeve for a mobile phone charger head in a use position;
[0029] Figure 3 is a sectional view of the insulating case of an insulating protection sleeve for a mobile phone charger head in a protected position in Embodiment 1;
[0030] Figure 4 is a sectional view of the insulating case of an insulating protection sleeve for a mobile phone charger head in a use position in Embodiment 1;
[0031] Figure 5 is a sectional view of the insulating case of an insulating protection sleeve for a mobile phone charger head in a protected position in Embodiment 2;
[0032] Figure 6 is Figure 5 a partial enlarged view of A in;
[0033] Figure 7 a sectional view of the insulating case of an insulating protection sleeve for a mobile phone charger head in a use position in Embodiment 2;
[0034] Figure 8 is a sectional view of the insulating case of an insulating protection sleeve for a mobile phone charger head in a protected position in Embodiment 3;
[0035] Figure 9It is a sectional view of the insulating case of a mobile phone charger insulating protective cover in the use position of Embodiment 3;
[0036] Figure 10 It is Figure 9 a partial enlarged view of B in;
[0037] Figure 11 It is a sectional view of the insulating case of a mobile phone charger insulating protective cover in the protection position of Embodiment 4;
[0038] Figure 12 It is Figure 11 a partial enlarged view of C in;
[0039] Figure 13 It is a sectional view of the insulating case of a mobile phone charger insulating protective cover in the use position of Embodiment 4.
[0040] For the convenience of understanding the present technology, some components are omitted in the above figures
[0041] Explanation of reference numerals:
[0042] 110 wire, 120 housing, 130 charging plug, 210 protective case, 220 insulating case, 230 extension part, 240 limiting part, 250 end part, 260 first magnet, 270 second magnet, 280 spring Detailed implementation manners
[0043] In order to better illustrate the present invention, the present invention will be further described in detail below with reference to the drawings.
[0044] It should be clear that the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the embodiments of the present application.
[0045] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the embodiments of the present application. The singular forms of "a", "the" and "said" used in the embodiments of the present application and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein refers to and includes any or all possible combinations of one or more of the associated listed items.
[0046] When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims. In the description of the present application, it should be understood that the terms "first", "second", "third", etc. are only used to distinguish similar objects and do not have to be used to describe a specific order or sequence, nor can they be understood as indicating or implying relative importance. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.
[0047] In addition, in the description of the present application, unless otherwise specified, "a plurality" means two or more. "And / or" describes the association relationship of associated objects and indicates that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. The character " / " generally represents an "or" relationship between the associated objects before and after.
[0048] Embodiment 1
[0049] Combined with Figures 1 to 4 As shown, the present application provides an insulating protective cover for a mobile phone charger head, which includes: a charger head, which includes a wire, a housing, and a charging plug; a protective shell, which is arranged on the housing, the protective shell is provided with a receiving cavity and an opening communicating with the receiving cavity, and the opening is arranged at one end of the protective shell close to the charging plug; a first magnet and a second magnet are arranged in the receiving cavity; an insulating shell, which is arranged in the protective shell, the insulating shell is movably arranged at the opening, and the insulating shell has a protection position and a use position relative to the protective shell; when the insulating shell is in the protection position, the insulating shell wraps around the charging plug; when the insulating shell is in the use position, the insulating shell retracts into the receiving cavity to expose the charging plug.
[0050] Compared with the prior art, the present application adds a protective shell 210 to the housing 120 and the charging plug 130 of the charger head, an insulating shell 220 is arranged in the protective shell 210, and the first magnet 260 and the second magnet 270 are arranged in the receiving cavity of the protective shell 210 and the insulating shell 220. When the insulating shell 220 is in the protection position, the insulating shell 220 wraps around the charging plug 130. When the insulating shell 220 is in the use position, the insulating shell 220 retracts into the receiving cavity to expose the charging plug 130, thereby reducing the contact between the human body and the charging plug 130 when not charging, improving the safety of using the charger head, and being conducive to wide promotion and application.
[0051] Specifically, a protective shell 210 is provided on the outer shell 120. An accommodation cavity and an opening communicating with the accommodation cavity are provided inside the protective shell 210. A first magnet 260 and a second magnet 270 are provided in the accommodation cavity. At the same time, an insulating shell 220 is provided inside the protective shell 210. When the mobile phone needs to be charged, the outer shell 120 of the mobile phone pushes the insulating shell 220 to the use position, that is, the insulating shell 220 retracts into the accommodation cavity, and the charging plug 130 is connected to the mobile phone to realize mobile phone charging; when the mobile phone does not need to be charged, the mobile phone is pulled out from the charging plug 130, and at the same time the insulating shell 220 extends. When the mobile phone is completely pulled out, the insulating shell 220 is in the protection position, that is, the insulating shell 220 completely wraps the charging plug 130, so as to realize that when there is no charging need, the charging plug 130 is protected to reduce the risk of electric shock to the human body and fire caused by the exposure of the charging plug 130 of the charger head.
[0052] In one embodiment, the opening is provided with an extending portion extending inwards; one end of the insulating shell close to the protective shell is provided with a limiting portion extending outwards; the limiting portion abuts against the extending portion.
[0053] Specifically, an extending portion 230 extending towards the outer shell 120 is provided at the opening. At the same time, a limiting portion 240 in the opposite direction to the extending portion 230 is provided at one end of the insulating shell 220 close to the protective shell 210. When the mobile phone is pulled out without charging, the insulating shell 220 extends. At the same time, when the insulating shell 220 completely wraps the charging plug 130, the limiting portion 240 abuts against the extending portion 230 to limit the extending length of the insulating shell 220.
[0054] In one embodiment, one end of the protective shell close to the wire is provided with an end portion, the first magnet is arranged at the end portion, and the second magnet is arranged at the limiting portion; the first magnet and the second magnet have repulsive magnetic forces.
[0055] Specifically, an end portion 250 is provided at one end of the protective shell 210 close to the wire 110. The first magnet 260 is arranged on the end portion 250. The second magnet 270 is arranged on the inner side of the limiting portion 240 of the insulating shell 220. At the same time, the first magnet 260 and the second magnet 270 are arranged opposite to each other, and the magnetic poles of the first magnet 260 and the second magnet 270 are the same, generating repulsive magnetic forces to push the insulating shell 220 to the protection position.
[0056] Embodiment 2
[0057] Combined with Figures 5 to 7 As shown, this embodiment is basically the same as Embodiment 1, except that in this embodiment, the first magnet is arranged inside the extending portion, and the second magnet is arranged outside the limiting portion; the first magnet and the second magnet have attractive magnetic forces.
[0058] Specifically, the first magnet 260 and the second magnet 270 are arranged in the cavity between the extension part 230 and the limiting part 240. The first magnet 260 is arranged on the extension part 230, and the second magnet 270 is arranged on the limiting part 240. At the same time, the first magnet 260 and the second magnet 270 are arranged opposite to each other and with opposite magnetic poles to ensure that there is an attractive magnetic force between the first magnet 260 and the second magnet 270, so that the insulating shell 220 retreats from the use position to the protection position.
[0059] Embodiment 3
[0060] Combined with Figures 8 to 10 As shown, this embodiment is basically the same as Embodiment 1 and Embodiment 2. The difference is that in this embodiment, the insulating protection sleeve for a mobile phone charger head includes: a charger head, which includes a wire, a housing, and a charging plug; a protection shell, which is arranged on the housing. The protection shell is provided with a receiving cavity and an opening communicating with the receiving cavity. The opening is arranged at one end of the protection shell close to the charging plug; a spring is arranged in the receiving cavity; an insulating shell, which is arranged in the protection shell. The insulating shell is movably arranged at the opening. The insulating shell has a protection position and a use position relative to the protection shell; when the insulating shell is in the protection position, the insulating shell wraps around the charging plug; when the insulating shell is in the use position, the insulating shell retracts into the receiving cavity to expose the charging plug.
[0061] Specifically, a protection shell 210 is arranged on the housing 120. A receiving cavity and an opening communicating with the receiving cavity are arranged in the protection shell 210. A spring 280 is arranged in the receiving cavity. At the same time, an insulating shell 220 is arranged in the protection shell 210. When the mobile phone needs to be charged, the housing 120 of the mobile phone pushes the insulating shell 220 to the use position, that is, the insulating shell 220 retracts into the receiving cavity, and the charging plug 130 is connected to the mobile phone to realize mobile phone charging; when the mobile phone does not need to be charged, the mobile phone is pulled out from the charging plug 130, and at the same time the insulating shell 220 extends out. When the mobile phone is completely pulled out, the insulating shell 220 is in the protection position, that is, the insulating shell 220 completely wraps the charging plug 130, so as to realize that when there is no charging need, the charging plug 130 is protected to reduce the risk of electric shock and fire caused by the exposure of the charging plug 130 of the charger head.
[0062] In one embodiment, the opening is provided with an extension part extending inwards; one end of the insulating shell close to the protection shell is provided with a limiting part extending outwards; the limiting part abuts against the extension part.
[0063] Specifically, an extension portion 230 extending towards the outer shell 120 is provided at the opening. At the same time, a limiting portion 240 in the opposite direction to the extension portion 230 is provided at one end of the insulating shell 220 close to the protective shell 210. When the mobile phone does not need to be charged and is unplugged, the insulating shell 220 extends out. At the same time, when the insulating shell 220 completely wraps the charging plug 130, the limiting portion 240 abuts against the extension portion 230 to limit the extending length of the insulating shell 220.
[0064] In one embodiment, an end portion is provided at one end of the protective shell close to the wire. The end portion wraps the outer shell, and at the same time, two such springs are arranged on both sides of the outer shell; one end of the spring is connected to the limiting portion, and the other end of the spring is connected to the end portion, so that the insulating shell makes a telescopic movement along the axial direction of the protective shell at the opening.
[0065] Specifically, an end portion 250 is provided at one end of the protective shell 210 close to the wire 110. One end of the spring 280 is arranged on the end portion 250, and the other end of the spring 280 is arranged on the limiting portion 240 of the insulating shell 220. At the same time, two such springs 280 are arranged on both sides of the outer shell 120, and the two springs 280 are arranged oppositely, so that the two springs 280 generate a compressive elastic force for pushing the insulating shell 220 to the protection position.
[0066] Embodiment 4
[0067] Combined with Figures 11 to 13 As shown, this embodiment is basically the same as Embodiment 1, Embodiment 2, and Embodiment 3, except that in this embodiment, two such springs are arranged between the extension portion and the limiting portion, and the two springs are arranged oppositely; one end of the spring is connected to the inner side of the extension portion, and one end of the spring is connected to the outer side of the limiting portion, so that the insulating shell makes a telescopic movement along the axial direction of the protective shell at the opening.
[0068] Specifically, two springs 280 are arranged in the cavity between the extension portion 230 and the limiting portion 240. One end of the spring 280 is arranged on the extension portion 230, and the other end of the spring 280 is arranged on the limiting portion 240. At the same time, two such springs 280 are arranged on both sides of the outer shell 120, and the two springs 280 are arranged oppositely, so that the two springs 280 generate a tensile elastic force for pulling the insulating shell 220 to the protection position.
[0069] In one embodiment, a charging terminal charges by applying the structure of an insulating protection sleeve for a mobile phone charger as described above.
[0070] Specifically, the charging terminal includes electronic devices such as mobile phones, tablet computers, cameras, and power banks, which can be charged by the structure of the insulating protection sleeve for a mobile phone charger.
[0071] It should be noted that the magnetic force of the magnet and the elastic force of the spring in the case of this application are appropriately used to eject this insulating shell, but will not have an impact on charging terminals such as mobile phones.
[0072] Based on the disclosure and teaching of the above specification, those skilled in the art to which the present utility model pertains can also make changes and modifications to the above-mentioned embodiments. Therefore, the present utility model is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present utility model should also fall within the protection scope of the claims of the present utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model.
Claims
1. An insulating protective cover for a mobile phone charger head, characterized in that, Comprising: A charging head, which includes a wire, a housing, and a charging plug; A protective case, which is arranged on the housing. The protective case is provided with a receiving cavity and an opening communicating with the receiving cavity. The opening is arranged at one end of the protective case close to the charging plug; a first magnet and a second magnet are arranged in the receiving cavity; An insulating case, which is arranged in the protective case. The insulating case is movably arranged at the opening. The insulating case has a protective position and a use position relative to the protective case; When the insulating case is in the protective position, the insulating case wraps around the charging plug; When the insulating case is in the use position, the insulating case retracts into the receiving cavity to expose the charging plug.
2. The insulating protective sleeve for a mobile phone charging head according to claim 1, wherein: The opening is provided with an extending portion extending inwards; One end of the insulating case close to the protective case is provided with a limiting portion extending outwards; When the insulating case is in the protective position, the limiting portion abuts against the extending portion.
3. The insulating protective sleeve for a mobile phone charging head according to claim 2, wherein: One end of the protective case close to the wire is provided with an end portion. The first magnet is arranged at the end portion, and the second magnet is arranged at the limiting portion; The first magnet and the second magnet have repulsive magnetic forces.
4. The insulating protective sleeve for a mobile phone charging head according to claim 2, wherein: The first magnet is arranged inside the extending portion, and the second magnet is arranged outside the limiting portion; The first magnet and the second magnet have attractive magnetic forces.
5. An insulating protective sleeve for a mobile phone charger head, characterized in that, Comprising: A charging head, which includes a wire, a housing, and a charging plug; A protective case, which is arranged on the housing. The protective case is provided with a receiving cavity and an opening communicating with the receiving cavity. The opening is arranged at one end of the protective case close to the charging plug; a spring is arranged in the receiving cavity; An insulating case, which is arranged in the protective case. The insulating case is movably arranged at the opening. The insulating case has a protective position and a use position relative to the protective case; When the insulating case is in the protective position, the insulating case wraps around the charging plug; When the insulating case is in the use position, the insulating case retracts into the receiving cavity to expose the charging plug.
6. The insulating protective sleeve for a mobile phone charging head according to claim 5, wherein: The opening is provided with an extending portion extending inwards; One end of the insulating case close to the protective case is provided with a limiting portion extending outwards; The limiting portion abuts against the extending portion.
7. The insulating protective sleeve for a mobile phone charging head according to claim 6, wherein: One end of the protective case close to the wire is provided with an end portion. The end portion wraps around the housing, and at the same time, two springs are arranged on both sides of the housing; Wherein, one end of the spring is connected to the limiting portion, and the other end of the spring is connected to the end portion, so that the insulating case makes a telescopic movement along the axial direction of the protective case at the opening.
8. The insulating protective sleeve for a mobile phone charging head according to claim 6, wherein: Two of the springs are arranged between the extension part and the limiting part, and the two springs are arranged opposite to each other in position; One end of the spring is connected to the inner side of the extension part, and one end of the spring is connected to the outer side of the limiting part, so that the insulating shell can perform telescopic movement along the axial direction of the protective shell at the opening.
9. A charging terminal, which is charged by using the mobile phone charger insulating protective sleeve according to any one of claims 1-8.