Fool-proof charging terminal connector

Abstract

The invention belongs to the technical field of electric connectors, and particularly relates to a fool-proof charging terminal connector which comprises a female terminal and a male terminal which are connected in an inserted mode. The male terminal comprises a male terminal body, an electricity taking terminal and an electricity taking jack. The female terminal comprises a female terminal body, a female terminal cover plate, an electricity taking plug, a conductive insertion piece and an elastic insertion piece. And the inner side of the female terminal body is provided with a limiting lug boss. The outer side of the electricity taking plug is fixedly connected with a limiting check ring. According to the fool-proof charging terminal connector provided by the invention, the male terminal body is provided with the limiting groove, the inner side of the female terminal body is provided with the limiting protrusion part, the limiting protrusion part corresponds to the limiting groove in position and is inserted into the limiting groove, and the limiting groove and the limiting protrusion part form a fool-proof structure, so that blind insertion of the power taking plug and the power taking terminal can be realized; according to the utility model, the plug-in connection of the male terminal and the female terminal is more convenient, a user can be effectively prevented from plugging in a wrong position, the user is prevented from easily using a non-standard adapter to supply power to equipment, and the safety is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of electric connectors, and in particular relates to a fool-proof charging terminal connector. Background Art

[0002] Vacuum cleaners, sweepers, hair dryers and other power tools require electrical connectors for charging to ensure normal use. Existing power tool electrical connectors are not foolproof, male and female terminals are not convenient to plug in, users are prone to plug in the wrong position, and users are prone to use non-standard adapters to power the equipment, which can easily cause safety hazards due to different current and voltage specifications. Summary of the invention

[0003] The purpose of the present invention is to provide a fool-proof charging terminal connector, aiming to solve the technical problems in the prior art that it is easy to insert the wrong position and the user is likely to use a non-standard adapter to power the device, which is easy to cause safety hazards due to different current and voltage specifications.

[0004] To achieve the above-mentioned purpose, an embodiment of the present invention provides a fool-proof charging terminal connector, comprising a female terminal and a male terminal, wherein the male terminal is plugged into the female terminal;

[0005] The male terminal comprises a male terminal body, a power-taking terminal and a power-taking socket, the male terminal body is plugged with the female terminal, the power-taking terminal is inserted through the power-taking socket and connected to the male terminal body, the power-taking socket passes through the male terminal body and is plugged with the female terminal, and the male terminal body is provided with a limiting groove;

[0006] The female terminal includes a female terminal body, a female terminal cover, a power plug, a conductive plug and an elastic plug. The female terminal body is provided with a plug-in slot, the male terminal body is plugged into the plug-in slot, the female terminal cover is connected to one end of the female terminal body, the power plug is arranged in the plug-in slot and plugged with the power terminal, one end of the power plug is connected to the female terminal cover and extends out of the female terminal cover and is connected to the conductive plug, the conductive plug is connected to the female terminal body, the elastic plug is arranged below the power plug and is movably connected to the female terminal body; a limiting protrusion is provided on the inner side of the female terminal body, the limiting protrusion corresponds to the position of the limiting slot and is plugged into the limiting slot, and the limiting slot and the limiting protrusion form an anti-fool structure.

[0007] As an optional solution of the present invention, the female terminal further includes a protective cover, which is arranged in a ring shape and fixedly connected to the female terminal body, and the protective cover is arranged on one side of the limiting protrusion.

[0008] As an optional solution of the present invention, there are two power sockets, both of which are arranged on the male terminal body, the power sockets are arranged in a circular shape, and the number of the power terminals and the power sockets is the same, which is two.

[0009] As an optional solution of the present invention, there are multiple limit grooves, which are arranged around the outer edge of the male terminal body, and adjacent limit grooves are arranged at intervals. The limit grooves are arranged in a V-shape or a U-shape, and an arc-shaped transition portion is provided at the bottom.

[0010] As an optional solution of the present invention, the number of the power plugs and the number of the power terminals are both two, and the positions of the power plugs and the power terminals correspond to each other, and one power plug is correspondingly plugged into one power terminal.

[0011] As an optional solution of the present invention, the number of the conductive plugs and the number of the power plugs are both two, and one conductive plug is fixedly connected to one power plug.

[0012] As an optional solution of the present invention, a limit retaining ring is fixedly connected to the outer side of the power taking plug, and one end of the power taking terminal abuts against the limit retaining ring.

[0013] As an optional solution of the present invention, one end of the elastic plug is fixedly connected to the female terminal cover plate, and the other end is movably arranged in the female terminal body and abuts against the bottom of the male terminal body. The elastic plug is arranged in a U shape.

[0014] As an optional solution of the present invention, the number of the limiting protrusions is the same as the number of the limiting grooves, one limiting protrusion is correspondingly inserted into one limiting groove, and one end of the limiting protrusion abuts against the male terminal body.

[0015] The above one or more technical solutions in the foolproof charging terminal connector provided by the embodiment of the present invention have at least one of the following technical effects:

[0016] The fool-proof charging terminal connector provided by the present application includes a female terminal and a male terminal, the male terminal is plugged into the female terminal, the male terminal body is provided with a limiting groove, the inner side of the female terminal body is provided with a limiting protrusion, the limiting protrusion corresponds to the position of the limiting groove and is plugged into the limiting groove, the limiting groove and the limiting protrusion form an fool-proof structure, which can realize blind insertion of the power plug and the power terminal, and the male terminal and the female terminal are more convenient to plug in. The present application can effectively prevent users from plugging in the wrong position, prevent users from easily using non-standard adapters to power the device, and improve safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 A stereoscopic diagram of a fool-proof charging terminal connector provided in an embodiment of the present invention.

[0019] Figure 2 A stereoscopic diagram of a fool-proof charging terminal connector provided in an embodiment of the present invention.

[0020] Figure 3 A schematic structural diagram of the female terminal and the male terminal of the fool-proof charging terminal connector provided in an embodiment of the present invention in a separated state.

[0021] Figure 4 An exploded view of the fool-proof charging terminal connector provided in an embodiment of the present invention.

[0022] Figure 5 A schematic diagram of the structure of the fool-proof charging terminal connector provided in an embodiment of the present invention after omitting the female terminal body and the male terminal body.

[0023] Among them, the reference numerals in the figure are:

[0024] 1. Female terminal; 2. Male terminal;

[0025] 11. Female terminal body; 12. Female terminal cover; 13. Power plug; 14. Conductive plug; 15. Elastic plug; 16. Insertion slot; 17. Limiting protrusion; 18. Limiting retaining ring;

[0026] 21. Male terminal body; 22. Power supply terminal; 23. Power supply socket; 24. Limiting groove. DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0028] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0030] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0031] In one embodiment of the present invention, Figures 1 to 5 As shown, a fool-proof charging terminal connector is provided, including a female terminal 1 and a male terminal 2, and the male terminal 2 is plugged into the female terminal 1.

[0032] The male terminal 2 includes a male terminal body 21, a power terminal 22 and a power socket 23. The male terminal body 21 is plugged into the female terminal 1. The power terminal 22 is inserted into the power socket 23 and is fixedly connected to the male terminal body 21. The power socket 23 passes through the male terminal body 21 and is plugged into the female terminal 1. The male terminal body 21 is provided with a limiting groove 24.

[0033] The female terminal 1 includes a female terminal body 11, a female terminal cover 12, a power plug 13, a conductive plug 14 and an elastic plug 15. A plug-in slot 16 is provided in the female terminal body 11, and the male terminal body 21 is plugged into the plug-in slot 16. The female terminal cover 12 is fixedly connected to one end of the female terminal body 11, and the power plug 13 is arranged in the plug-in slot 16 and plugged with the power terminal 22. One end of the power plug 13 is fixedly connected to the female terminal cover 12, and extends out of the female terminal cover 12, and is fixedly connected to the conductive plug 14. The conductive plug 14 is fixedly connected to the female terminal body 11. The elastic plug 15 is arranged below the power plug 13 and is movably connected to the female terminal body 11. A limiting protrusion 17 is fixedly connected to the inner side of the female terminal body 11. The limiting protrusion 17 is arranged in the insertion groove 16. The limiting protrusion 17 corresponds to the limiting groove 24 and is inserted into the limiting groove 24. The limiting groove 24 and the limiting protrusion form an anti-foolproof structure.

[0034] The fool-proof charging terminal connector provided in the present application includes a female terminal 1 and a male terminal 2, the male terminal 2 is plugged into the female terminal 1, the male terminal body 21 is provided with a limiting groove 24, and the inner side of the female terminal body 11 is provided with a limiting protrusion 17, the limiting protrusion 17 corresponds to the position of the limiting groove 24, and is plugged into the limiting groove 24, the limiting groove 24 and the limiting protrusion form a fool-proof structure, which can realize the blind insertion of the power plug 13 and the power terminal 22, and the male terminal 2 and the female terminal 1 are more convenient to plug. The present application can effectively prevent users from plugging in the wrong position and prevent users from easily using non-standard adapters to power the device, thereby improving safety.

[0035] In another embodiment of the present invention, the female terminal 1 of the foolproof charging terminal connector further includes a protective cover, which is arranged in an annular shape and fixedly connected to the female terminal body 11, and is arranged on one side of the limiting protrusion 17. The protective cover has a shielding and protective function to avoid accidental contact.

[0036] In another embodiment of the present invention, the foolproof charging terminal connector has two power sockets 23, both of which are arranged on the male terminal body 21. The power sockets 23 are arranged in a circular shape, and the number of power terminals 22 and power sockets 23 is the same, which is two.

[0037] In another embodiment of the present invention, the foolproof charging terminal connector has a plurality of limit grooves 24, which are arranged around the outer edge of the male terminal body 21, and adjacent limit grooves 24 are arranged at intervals, and the limit grooves 24 are arranged in a V-shape or a U-shape, and an arc-shaped transition portion is provided at the bottom. The limit protrusion 17 can be more smoothly inserted into the limit groove 24 through the arc-shaped transition portion.

[0038] In another embodiment of the present invention, the number of the power plug 13 and the power terminal 22 of the fool-proof charging terminal connector is the same, and the positions of the power plug 13 and the power terminal 22 correspond to each other, and one power plug 13 is correspondingly plugged into one power terminal 22.

[0039] In another embodiment of the present invention, the number of the conductive plugs 14 and the power plug 13 of the foolproof charging terminal connector is the same, which is two, and one conductive plug 14 is fixedly connected to one power plug 13 .

[0040] In another embodiment of the present invention, a limit retaining ring 18 is fixedly connected to the outside of the power plug 13 of the foolproof charging terminal connector, and one end of the power terminal 22 abuts against the limit retaining ring 18. After the male terminal 2 is plugged into the female terminal 1, it is limited by the limit retaining ring 18. When the power terminal 22 abuts against the limit retaining ring 18, it means that the male terminal 2 is plugged in place.

[0041] In another embodiment of the present invention, one end of the elastic plug 15 of the foolproof charging terminal connector is fixedly connected to the female terminal cover plate 12, and the other end is movably arranged in the female terminal body 11 and abuts against the bottom of the male terminal body 21. The elastic plug 15 is arranged in a U shape. After the male terminal 2 is plugged into the female terminal 1, the male terminal body 21 abuts against the top of the elastic plug 15, and the male terminal body 21 is elastically supported by the elastic plug 15, thereby improving the stability of the plugging of the power terminal 22 and the power plug 13.

[0042] In another embodiment of the present invention, the number of the limiting protrusions 17 and the limiting grooves 24 of the foolproof charging terminal connector is the same, one limiting protrusion 17 is correspondingly inserted into one limiting groove 24, and one end of the limiting protrusion 17 abuts against the male terminal body 21. The limiting groove 24 and the limiting protrusion form a foolproof structure, and the male terminal 2 and the female terminal 1 are more convenient to plug.

[0043] The fool-proof charging terminal connector provided in the present application has a male terminal body 21 provided with a limiting groove 24, and a limiting protrusion 17 is provided on the inner side of the female terminal body 11. The limiting protrusion 17 corresponds to the position of the limiting groove 24 and is plugged into the limiting groove 24. The limiting groove 24 and the limiting protrusion form a fool-proof structure, which can realize the blind insertion of the power plug 13 and the power terminal 22, and the male terminal 2 and the female terminal 1 are more convenient to plug. The present application can effectively prevent users from plugging in the wrong position and prevent users from easily using non-standard adapters to power the device, thereby improving safety.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A foolproof charging terminal connector, characterized in that: It comprises a female terminal and a male terminal, wherein the male terminal is plugged into the female terminal; The male terminal comprises a male terminal body, a power-taking terminal and a power-taking socket, the male terminal body is plugged with the female terminal, the power-taking terminal is inserted through the power-taking socket and connected to the male terminal body, the power-taking socket passes through the male terminal body and is plugged with the female terminal, and the male terminal body is provided with a limiting groove; The female terminal includes a female terminal body, a female terminal cover, a power plug, a conductive plug and an elastic plug. The female terminal body is provided with a plug-in slot, the male terminal body is plugged into the plug-in slot, the female terminal cover is connected to one end of the female terminal body, the power plug is arranged in the plug-in slot and plugged with the power terminal, one end of the power plug is connected to the female terminal cover and extends out of the female terminal cover and is connected to the conductive plug, the conductive plug is connected to the female terminal body, the elastic plug is arranged below the power plug and is movably connected to the female terminal body; a limiting protrusion is provided on the inner side of the female terminal body, the limiting protrusion corresponds to the position of the limiting slot and is plugged into the limiting slot, and the limiting slot and the limiting protrusion form an anti-fool structure.

2. The foolproof charging terminal connector according to claim 1, characterized in that: The female terminal further comprises a protective cover, which is arranged in a ring shape and fixedly connected to the female terminal body, and the protective cover is arranged on one side of the limiting protrusion.

3. The foolproof charging terminal connector according to claim 1, characterized in that: There are two power sockets, both of which are arranged on the male terminal body. The power sockets are arranged in a circular shape, and the number of the power terminals and the power sockets is the same, which is two.

4. The foolproof charging terminal connector according to claim 1, characterized in that: There are a plurality of limit grooves, which are arranged around the outer edge of the male terminal body, and adjacent limit grooves are arranged at intervals. The limit grooves are arranged in a V-shape or a U-shape, and an arc-shaped transition portion is provided at the bottom.

5. The foolproof charging terminal connector according to claim 3, characterized in that: The number of the power plugs and the number of the power terminals are both two, and the positions of the power plugs and the power terminals correspond to each other, and one power plug is correspondingly plugged into one power terminal.

6. A foolproof charging terminal connector according to claim 5, characterized in that: The number of the conductive plugs and the number of the power plugs are both two, and one conductive plug is fixedly connected to one power plug.

7. The foolproof charging terminal connector according to claim 1, characterized in that: A limit retaining ring is fixedly connected to the outer side of the power taking plug, and one end of the power taking terminal abuts against the limit retaining ring.

8. The foolproof charging terminal connector according to claim 1, characterized in that: One end of the elastic plug is fixedly connected to the female terminal cover plate, and the other end is movably arranged in the female terminal body and abuts against the bottom of the male terminal body. The elastic plug is arranged in a U shape.

9. The foolproof charging terminal connector according to claim 4, characterized in that: The number of the limiting protrusions is the same as the number of the limiting grooves. One limiting protrusion is correspondingly inserted into one limiting groove, and one end of the limiting protrusion is in contact with the male terminal body.

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