CN215834804U - Folding power plug - Google Patents

Abstract

The application provides a foldable power plug. The folding power plug comprises a shell, a rotating part, two pins and two elastic parts; the rotating part is arranged in the shell and can rotate relative to the shell; the two pins are rotatably connected with the shell through the rotating part and can be located at a first position or a second position, the two pins are accommodated in the shell when the two pins are located at the first position, and parts of the two pins extend out of the shell when the two pins are located at the second position; two elastic components participate in the one-to-one butt with two respectively to set up in the both sides of rotating part along the axis of rotation direction of rotating part. The folding power plug is small in size.

Description

Folding power plug

Technical Field

The utility model relates to the technical field of power plugs, in particular to a folding power plug.

Background

A power plug is a device for connecting a device such as an electric appliance to a power source, and is widely used in various fields, such as a charger.

At present, a power plug generally comprises a plug main body and two pins fixedly connected to the plug main body; however, the power plug is inconvenient to store and carry, and the pins made of metal materials are easy to cause certain damage to other articles, so that certain safety problems exist; therefore, people further carry out the rotary folding design on the plug pins so that the plug pins are accommodated in the plug main body in a non-working state, the space is not occupied, and the carrying is convenient; and the pins extend out of the plug main body under the working state so as to ensure the use function of the pins.

However, the existing foldable power plug is large in size.

SUMMERY OF THE UTILITY MODEL

The application provides a foldable power plug, can solve current foldable power plug, the great problem of its volume.

In order to solve the technical problem, the application adopts a technical scheme that: a folding power plug is provided. The folding power plug comprises a shell, a rotating part, two pins and two elastic parts; the rotating part is arranged in the shell and can rotate relative to the shell; the two pins are rotatably connected with the shell through the rotating part and can be positioned at a first position or a second position, the two pins are accommodated in the shell when the two pins are positioned at the first position, and parts of the two pins extend out of the shell when the two pins are positioned at the second position; two elastic components participate in the one-to-one butt with two respectively to set up in the both sides of rotating part along the axis of rotation direction of rotating part.

The rotating part is provided with two mounting grooves which are arranged at intervals along the rotating shaft direction of the rotating part and correspond to the two plug pins one by one; each pin is fixedly connected with the rotating part through one of the mounting grooves.

Wherein, the rotating part includes pivot portion and sets up respectively in the fixed part at pivot portion both ends, and the mounting groove is seted up on the fixed part.

Wherein, the pin comprises a contact part, a plug part and a connecting part; the abutting part is arranged on one side of the rotating part along the rotating shaft direction of the rotating part and abutted against the elastic part; the part of the plug part is embedded in the mounting groove, and when the plug pin is positioned at the second position, the part of the plug part extends out of the shell; the connecting part connects the plug part with the abutting part.

Wherein, the surface of the abutting part abutting against the elastic part is a non-circular arc curved surface, and the inserting part is in a long strip shape.

Wherein, connecting portion and the coaxial setting of rotating part, the one end of connecting portion set up in the mounting groove and be connected perpendicularly with grafting portion, and the other end passes the lateral wall of mounting groove and is connected perpendicularly with butt portion.

The shell is provided with a containing groove, the bottom wall of the containing groove is provided with two openings, the two openings correspond to the plug parts of the two pins one by one, and the plug parts are exposed through the openings and rotate to a first position or a second position through the openings; and the position of the containing groove corresponding to the opening is provided with a stopping part to stop the plug part from rotating towards the direction of the containing groove.

The fixing component is arranged in the shell; the fixing assembly comprises a fixing bracket and a fixing bracket; the fixed support is sleeved on the rotating shaft part of the rotating part, fixes the relative position between the rotating part and the shell and allows the rotating part to rotate relative to the shell; the fixing piece is respectively connected with the fixing support and the shell and fixes the fixing support and the shell.

Wherein, the fixed bolster has been seted up and has been dodged the groove, and the fixed bolster is established in the pivot portion of rotating part through dodging the groove cover, and dodges the outside profile matching of groove and pivot portion.

The elastic piece is in a long strip shape, the long strip-shaped elastic piece is provided with a first end part and a second end part along the length direction of the elastic piece, the first end part is fixed with the shell, and the second end part is a free end and is abutted against the abutting part of the pin so as to apply rotation resistance to the pin and then apply rotation power in the rotation process of the pin.

The application provides a foldable power plug, through setting up casing and rotating part to set up the rotating part in the casing, and can rotate for the casing; meanwhile, the two pins are arranged and are rotatably connected with the shell through the rotating part, and can be positioned at a first position or a second position, the two pins are accommodated in the shell when positioned at the first position, and the parts of the two pins extend out of the shell when positioned at the second position, so that the two pins can be accommodated in the shell when not in working state, thereby reducing the occupied space and facilitating carrying; when in working state, the plug extends out of the shell to realize the function of the plug pin; in addition, two elastic pieces which are correspondingly abutted with the pins one by one are arranged, so that the pins are electrically connected with the elastic pieces; in addition, set up in the both sides of rotating part through the axis of rotation direction with two elastic components along the rotating part, compare in the scheme that sets up two elastic components and deviate from a side surface of casing at the rotating part, can reduce power plug's longitudinal dimension, make the overall arrangement and the structural design flattening of product spare part as far as possible to the rational utilization space, and then reduce the volume of product.

Drawings

Fig. 1 is a schematic internal structural diagram of a foldable power plug according to an embodiment of the present application;

FIG. 2 is a disassembled schematic view of the structure shown in FIG. 1;

FIG. 3 is a schematic diagram of a power plug with two prongs in a first position according to an embodiment of the present application;

FIG. 4 is a schematic diagram of a power plug with two prongs in a second position according to an embodiment of the present application;

fig. 5 is a view of an embodiment of the present application showing a direction a of a power plug.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The present application will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, fig. 1 is a schematic diagram illustrating an internal structure of a foldable power plug according to an embodiment of the present application; FIG. 2 is a disassembled schematic view of the structure shown in FIG. 1; FIG. 3 is a schematic diagram of a power plug with two prongs in a first position according to an embodiment of the present application; FIG. 4 is a schematic diagram of a power plug with two prongs in a second position according to an embodiment of the present application; in the present embodiment, a foldable power plug 10 is provided, which can be used to cooperate with a socket to connect an electrical device to a power supply; specifically, the power plug 10 may be a charger, i.e., a power adapter meeting the power safety standard. The foldable power plug 10 may specifically include a housing 11, a rotating portion 12, two pins 13, and two elastic members 14.

The housing 11 has a receiving groove 111, the receiving groove 111 has a bottom wall and a side wall, and the side wall and the bottom wall are cooperatively enclosed to form a groove structure; the rotating portion 12 and the elastic element 14 are both accommodated in the accommodating groove 111, and the rotating portion 12 is rotatable relative to the housing 11 in the accommodating groove 111; the two pins 13 are rotatably connected with the housing 11 through the rotating portion 12, and the two pins 13 can be located at a first position or a second position, and when the two pins 13 are located at the first position, the two pins 13 are accommodated in the housing 11, and in particular, can be accommodated in an accommodating groove 111 (see fig. 3) of the housing 11, so that when the two pins 13 are not in an operating state, the two pins 13 are accommodated in the accommodating groove 111, so as to reduce the occupied space and facilitate carrying; and when the two pins 13 are located at the second position, portions of the two pins 13 extend out of the accommodating groove 111 (see fig. 4), so that the two pins 13 can extend out of the housing 11 in the working state, such as extending out of the accommodating groove 111, to realize the functions of the pins 13; the first position or the second position of the pin 13 refers to two different positions of the pin 13 relative to the housing 11.

In order to facilitate the user to adjust the prong 13 to the second position when the prong 13 is received in the first position within the housing 11, one end of the prong 13 may protrude from a sidewall of the housing 11 (see fig. 4). Two elastic component 14 set up in the both sides of rotating part 12 along the axis of rotation direction of rotating part 12, wherein, the axis of rotation direction specifically means A to the direction shown, compare in with two elastic component 14 along B to the scheme that the direction shown sets up the one side surface that deviates from the diapire of casing 11 at rotating part 12, can reduce power plug 10's vertical (B to) size, make the spare part overall arrangement and the structural design flattening of product as far as possible to the rational utilization space, and then reduce the volume of product. Wherein, the A direction is vertical to the B direction; specifically, the two elastic members 14 are abutted against the pins 13 in a one-to-one correspondence manner, so that the pins 13 are electrically connected with the elastic members 14, and the pins 13 are conducted with the circuit board in the power plug 10 through the elastic members 14.

Specifically, the elastic member 14 may be in a long strip shape, and the long strip-shaped elastic member 14 has a first end and a second end along the length direction (C direction); wherein, the first end of the elastic element 14 can be fixed with the housing 11 by a fixing element 152, such as a screw, to form a fixed end; the second end part of the elastic part 14 is a free end, and the pin 13 is particularly abutted against the position, close to the second end part, of the elastic part 14, so that the pin 13 can extrude the elastic part 14 in the rotating process, the elastic part 14 is elastically deformed, resistance or power is provided for the rotating process of the pin 13, and the pin 13 is automatically opened and closed; it can be understood that the elastic element 14 provides a torque for rotating the pin 13 while realizing the current conduction of the pin 13, thereby realizing the automatic opening and closing of the pin 13; specifically, when the pin 13 is located at the first position, the elastic member 14 may be in a pre-stressed state.

Specifically, the rotating part 12 is provided with two mounting grooves, and the two mounting grooves correspond to the two pins 13 one by one; in a specific embodiment, each pin 13 is fixedly connected to the rotating portion 12 through one of the mounting slots, so that the two pins 13 are driven to rotate simultaneously by the rotation of the rotating portion 12, and the two pins 13 are located at a first position or a second position; specifically, two mounting grooves are provided at intervals along the rotation axis direction of the rotating portion 12, and specifically may be located at a position where the rotating portion 12 is close to the edge.

The rotating part 12 may specifically include a rotating shaft 121 and two fixing parts 122 respectively disposed at two ends of the rotating shaft 121; in an embodiment, the mounting groove may be formed in the fixing portion 122, and an opening of the mounting groove may face the bottom wall of the housing 11.

Specifically, the radial direction of the fixing portion 122 is perpendicular to the axial direction of the rotating shaft portion 121, and the radial dimension of the rotating shaft portion 121 may be smaller than the radial dimension of the fixing portion 122, for example, the fixing portion 122 is thicker than the rotating shaft portion 121, so that when the rotating portion 12 is fixed to the housing 11 by the fixing assembly 15 (see fig. 2) in the later stage, the fixing assembly 15 can be clamped at the position of the rotating shaft portion 121, which can reduce the height of the product in the direction B as much as possible, and further reduce the volume of the product; specifically, the rotating shaft portion 121 may be cylindrical, and the resistance of the cylindrical rotating shaft portion 121 in the rotating process is reduced, so that the pin 13 is conveniently switched between the first position and the second position.

Each pin 13 may specifically include an abutting portion 131, a plugging portion 132, and a connecting portion 133; specifically, the abutting portion 131, the inserting portion 132, and the connecting portion 113 may be integrally formed.

The abutting portion 131 is specifically disposed on one side of the rotating portion 12 along the rotating axis direction of the rotating portion 12, that is, on one side of the fixing portion 122 away from the rotating shaft portion 121, and abuts against the elastic element 14, so as to electrically connect the pin 13 and the elastic element 14.

Specifically, referring to fig. 5, fig. 5 is a view of an embodiment of the power plug of the present application in the direction of a; the abutting part 131 can be in an irregular oval shape, so that in the rotating process, when different positions of the abutting part 131 abut against the elastic part 14, the elastic part 14 can have different elastic acting forces, so as to provide a certain acting force to the pin 13 in the rotating process of the pin 13, and further realize the automatic opening and closing of the pin 13; specifically, in the process that the pin 13 rotates from the first position to the second position, the pin 13 firstly presses the elastic element 14, so that the elastic element 14 is elastically compressed, and in the process, the elastic element 14 provides rotation resistance for the pin 13; when the rotation angle of the prong 13 reaches a critical angle, the elastic force of the elastic member 14 is maximized, and the rotation resistance provided to the prong 13 is maximized; when the rotation angle of the pin 13 exceeds the critical angle, the extrusion acting force of the pin 13 on the elastic element 14 disappears, at this time, the elastic element 14 has an elastic force for recovering the natural extension state, and the pin 13 gradually rotates to the second position under the action of the elastic force, so that the pin 13 automatically opens to the second position state; it will be appreciated that in this process, the resilient member 14 gives the prong 13 a driving force to rotate towards the second position.

Wherein, the contact surface of the abutting part 131 and the elastic part 14 can be a non-circular arc curved surface; the critical angle may be 40-50 degrees; preferably, the critical angle may be 45 degrees.

Part of the plug-in part 132 is embedded in the mounting groove, and when the pin 13 is located at the second position, part of the plug-in part 132 extends out of the accommodating groove 111 to be inserted into a socket to be communicated with a power supply; when the pin 13 is located at the first position, the insertion part 132 is completely accommodated in the accommodating groove 111; specifically, the insertion portion 132 may be elongated.

In a specific embodiment, the bottom wall of the receiving cavity 111 is provided with two openings 112 arranged at intervals, the two openings 112 correspond to the insertion portions 132 of the two pins 13 one by one, the insertion portions 132 of the pins 13 extend out of the receiving cavity 111 through the openings 112 on the bottom wall, or the insertion portions 132 of the pins 13 are received in the receiving cavity 111 and exposed through the openings 112, the insertion portions 132 of the pins 13 rotate from the first position to the second position or from the second position to the first position through the openings 112, that is, the bottom wall of the receiving cavity 111 avoids a switching path for switching the pins 13 between the first position and the second position through the openings 112; in an embodiment, a stopping portion 113 may be further disposed in the accommodating groove 111 corresponding to the opening 112 to support the inserting portion 132 accommodated in the accommodating groove 111, so as to prevent the pin 13 from further rotating toward the accommodating groove 111; in particular, the stopping portion 113 may be a baffle plate connected to the bottom wall or at least one protrusion disposed in the rotation path of the insertion portion 132.

In one embodiment, when the pin 13 is located at the second position, a portion of the insertion part 132 protrudes out of the receiving groove 111 through the opening 112 to be inserted into an outlet to communicate with a power supply; when the pin 13 is located at the first position, the insertion part 132 is accommodated in the accommodating groove 111 and the opening 112.

The connecting portion 133 is used to connect the insertion portion 132 and the abutting portion 131; in a specific embodiment, the connecting portion 133 is disposed coaxially with the rotating portion 12, one end of the connecting portion 133 is disposed in the mounting groove and vertically connected to the inserting portion 132, and the other end passes through a sidewall of the mounting groove and vertically connected to the abutting portion 131. Specifically, the connecting portion 133 is vertically connected to the intermediate position of the abutting portion 131. It will be appreciated that the pins 13 are particularly L-shaped.

In an embodiment, the power plug 10 further includes a fixing member 15, and the fixing member 15 is disposed in the receiving groove 111 for fixing the relative position of the pins 13 and the housing 11.

Specifically, the fixing assembly 15 includes a fixing bracket 151 and a fixing member 152; the fixing bracket 151 may be disposed on the rotating shaft 121 of the rotating portion 12, fix a relative position between the rotating portion 12 and the housing 11, and allow the rotating portion 12 to rotate relative to the housing 11.

Referring to fig. 2, the fixing bracket 151 may be in a long strip shape, and the long strip fixing bracket 151 is sleeved outside the rotating shaft portion 121 along the direction C to limit the rotating portion 12 in the direction C; and the fixed bolster 151 is unanimous along a to the relative distance between the horizontal size of the direction that shows and two fixed parts 122 to make the fixed bolster 151 joint between two fixed parts 122, and then carry out spacingly to rotating part 12 in a to the direction.

In an embodiment, the fixing bracket 151 is provided with an avoiding groove 151a at a position corresponding to the rotating shaft portion 121, and the shape of the avoiding groove 151a matches with the outer profile of the rotating shaft portion 121, so as to facilitate the rotating shaft portion 121 to rotate relative to the fixing bracket 151.

The fixing member 152 is connected to the fixing bracket 151 and the housing 11, respectively, to fix the fixing bracket 151 and the housing 11; specifically, the number of the fixing elements 152 may be two, and the two fixing elements 152 are disposed at intervals along the axial direction (i.e., the C-direction) of the fixing bracket 151 and located at two sides of the position corresponding to the rotating shaft portion 121.

In one embodiment, the fasteners 152 may be screws; the fixing bracket 151 is provided with a through hole, the casing 11 is provided with a threaded hole corresponding to the through hole of the fixing bracket 151, and a screw passes through the through hole of the fixing bracket 151 and is screwed with the threaded hole of the casing 11 to fix the fixing bracket 151 and the casing 11, so that the relative position between the pin 13 and the casing 11 is fixed through the fixing bracket 151.

In an embodiment, the solder points of the wires, such as AC power wires, can be placed on the same plane as the pins 13 to further flatten the layout of the components, so that the components occupy the minimum space of the whole product.

Specifically, the power plug 10 further includes a circuit board and a cover plate; wherein, the pin 13 is communicated with the circuit board through the elastic piece 14; specifically, the circuit board may be a PCB board, which is integrated with a transformer, a rectifying circuit, a filter circuit, an inverter circuit, an output circuit, etc., and the structure of the circuit board itself may refer to the prior art; the cover plate is covered on the shell and matched with the shell to form a closed cavity structure so as to protect the parts in the accommodating groove.

Of course, in a specific embodiment, the power plug 10 further includes other components, and the specific structures and functions of these components can be referred to the structures and functions of the related components in the power plug in the prior art, and can achieve the same or similar technical effects, which are not described herein again.

In the foldable power plug 10 provided in this embodiment, the housing 11 and the rotating portion 12 are provided, and the housing 11 is provided with the accommodating groove 111, so that the rotating portion 12 is disposed in the accommodating groove 111 and can rotate relative to the housing 11; meanwhile, by arranging the two pins 13, the two pins 13 are rotatably connected with the housing 11 through the rotating part 12, the two pins 13 can be located at the first position or the second position, the two pins 13 are accommodated in the accommodating groove 111 when the two pins 13 are located at the first position, and parts of the two pins 13 extend out of the accommodating groove 111 when the two pins 13 are located at the second position, so that the two pins 13 can be accommodated in the accommodating groove 111 in a non-working state, so that the occupied space is reduced, and the carrying is convenient; in the working state, the plug pins extend out of the accommodating grooves 111 to realize the functions of the plug pins 13; in addition, two elastic pieces 14 which are correspondingly abutted with the pins 13 one by one are arranged, so that the pins 13 are electrically connected with the elastic pieces 14; in addition, through setting up two elastic component 14 in the both sides of rotating part 12 along the axis of rotation direction of rotating part 12, compare in the scheme that sets up two elastic component 14 and deviate from one side surface of casing 11 at rotating part 12, can reduce power plug 10's longitudinal dimension, make the overall arrangement and the structural design of product spare part flatten as far as possible to the rational utilization space, and then reduce the volume of product.

The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.

Claims (10)

1. A folding power plug, comprising:

a housing;

a rotating portion provided in the housing and rotatable relative to the housing;

the two pins are rotatably connected with the shell through the rotating part and can be located at a first position or a second position, the two pins are contained in the shell when located at the first position, and parts of the two pins extend out of the shell when located at the second position;

two elastic components, respectively with two participate in the one-to-one butt, and follow the axis of rotation direction of rotating part set up in the both sides of rotating part.

2. The folding power plug according to claim 1, wherein the rotating portion has two mounting slots, the two mounting slots are spaced along a rotation axis of the rotating portion and correspond to the two pins one by one; each pin is fixedly connected with the rotating part through one of the mounting grooves.

3. The folding power plug according to claim 2, wherein the rotating portion includes a rotating shaft portion and fixing portions respectively provided at both ends of the rotating shaft portion, and the mounting groove is opened in the fixing portions.

4. The folding power plug of claim 2, wherein said prongs include:

an abutting portion provided on one side of the rotating portion in a direction of a rotation axis of the rotating portion and abutting against the elastic member;

the plug part is partially embedded in the mounting groove, and when the plug pin is positioned at the second position, part of the plug part extends out of the shell;

and the connecting part connects the inserting part with the abutting part.

5. The folding power plug according to claim 4, wherein a surface of the abutting portion abutting against the elastic member is a non-circular curved surface, and the insertion portion is elongated.

6. The folding power plug according to claim 4, wherein the connecting portion is disposed coaxially with the rotating portion, one end of the connecting portion is disposed in the mounting groove and is connected to the inserting portion perpendicularly, and the other end of the connecting portion passes through a sidewall of the mounting groove and is connected to the abutting portion perpendicularly.

7. The foldable power plug of claim 4, wherein the housing has a receiving slot, and the bottom wall of the receiving slot has two openings, and the two openings correspond to the inserting portions of the two pins one by one, and the inserting portion is exposed through the opening and rotated to the first position or the second position through the opening; and the containing groove is provided with a stopping part corresponding to the opening so as to stop the insertion part from rotating towards the direction of the containing groove.

8. The folding power plug of claim 3, further comprising a securing assembly disposed within the housing; the fixing assembly includes:

the fixing support is sleeved on the rotating shaft part of the rotating part, fixes the relative position between the rotating part and the shell and allows the rotating part to rotate relative to the shell;

and the fixing piece is respectively connected with the fixing support and the shell and used for fixing the fixing support and the shell.

9. The folding power plug according to claim 8, wherein the fixing bracket is provided with an avoiding groove, the fixing bracket is sleeved on the rotating shaft portion of the rotating portion through the avoiding groove, and the avoiding groove matches with an outer profile of the rotating shaft portion.

10. The folding power plug according to claim 3, wherein said elastic member is an elongated elastic member having a first end portion and a second end portion along a length direction thereof, said first end portion being fixed to said housing, said second end portion being a free end and abutting against said abutting portion of said pin, so as to apply a rotational resistance to said pin and then a rotational power to said pin during rotation of said pin.

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