CN218216027U - Plug converter - Google Patents

Abstract

The utility model discloses a plug converter, which comprises a converter body internally provided with a protective door; the protective door comprises a panel, a bottom plate, a shifting sheet and a spring, wherein the shifting sheet and the spring are coaxially arranged and are both installed in an installation space formed by covering the panel and the bottom plate, and two ends of the spring respectively abut against the shifting sheet and the inner bottom surface of the bottom plate; the shifting piece moves between an opening position and a closing position relative to the bottom plate, the shifting piece moves from the closing position to the opening position after moving along the axial direction and rotating for a certain angle, and the spring has an elastic tendency of keeping the shifting piece at the closing position. The utility model provides a plug converter, it is through putting the spring setting at the central point of plectrum to the atress at balanced plectrum both ends, in the jack on the plug insertion converter of being convenient for.

Description

Plug converter

Technical Field

The utility model relates to a converter technical field, more specifically say, relate to a plug converter.

Background

The plug converter is used for converting a plug of one specification into a plug of another specification, for example, the design standards of plugs of different countries are different, and a travel plug converter is often required to be carried during international travel, so that the electronic device can still be normally used in foreign countries. The plug converter is mostly provided with a safety door structure, and the safety door has the functions of electric shock prevention and dust prevention. For example, in the chinese utility model patent with the publication number CN208674557U, a plug converter capable of 360 ° rotation is disclosed, and the electric shock prevention structure in this patent is the safety door structure. Only one spring is arranged in the electric shock prevention structure in the patent, and the spring is arranged between the shifting sheet and the inner wall of the shell of the electric shock prevention structure, so that the shifting sheet is kept to be abutted against the baffle to keep the safety door closed. Due to the design, the two ends of the shifting piece are stressed unevenly, so that the left end and the right end of the plug are stressed unevenly when the plug is inserted into the jack at the tail of the plug converter. If the inserted plug is biased to the side without the spring, the plug is difficult to insert into the jack, and the use experience is affected.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a plug converter, it puts through the central point with the spring setting at the plectrum to the atress at balanced plectrum both ends, in the jack of the plug of being convenient for insert on the converter.

The utility model adopts the technical proposal that: the plug converter comprises a converter body internally provided with a protection door;

the protective door comprises a panel, a bottom plate, a shifting sheet and a spring, wherein the shifting sheet and the spring are coaxially arranged and are both installed in an installation space formed by covering the panel and the bottom plate, and two ends of the spring respectively abut against the shifting sheet and the inner bottom surface of the bottom plate;

the shifting piece moves between an opening position and a closing position relative to the bottom plate, the shifting piece moves to the opening position after axially moving from the closing position and rotating for a certain angle, and the spring has an elastic tendency to enable the shifting piece to be kept at the closing position.

The utility model discloses in through with the spring set up the position by plectrum one side among the prior art, the change is between plectrum axle center and the bottom plate internal surface. And the shifting piece can move along the axial direction in the installation space, so that when the plug is inserted, a certain buffer gap is formed between the head of the plug and the shifting piece when the head of the plug is abutted against the shifting piece, and the hand feeling of the plug in the plug is improved. And when the shifting piece is in a closed position, a gap for axial movement of the shifting piece exists between the shifting piece and the inner surface of the bottom plate under the action of the spring, so that the shifting piece is suspended on the inner surface of the bottom plate. When the plug is inserted, because the poking sheet is not in direct contact with the inner surface of the bottom plate, the friction force is small, the plug insertion resistance is reduced, and the hand feeling of the plug insertion is further improved.

According to an embodiment of the present invention, the dial is provided with a spiral inclined plane, the inner wall of the panel is provided with an inner convex portion, and the spring keeps the spiral inclined plane abutting against the inner convex portion; the spiral inclined plane and the inner convex part are arranged and used for guiding the shifting piece to rotate synchronously when moving axially.

According to an embodiment of the present invention, the dial piece has an inclined surface, and the inclined surface is arranged in a central symmetry manner with the axis of the dial piece as a center; when the plug is inserted, the plug is abutted against the inclined surface and the shifting piece is guided to rotate by the inclined surface.

According to an embodiment of the present invention, the panel is provided with a limit step, one side of the limit step is provided with a guide inclined plane, and the spring keeps the shifting piece in abutment with the guide inclined plane; the guide inclined surface is also used for guiding the poking piece to rotate through the abutting of the guide inclined surface and the upper surface of the poking piece when the poking piece moves axially, so that the resistance of the panel to the rotation of the poking piece is reduced.

According to an embodiment of the present invention, the poking sheet extends towards a direction away from the panel to form a protruding end, and an arc-shaped groove slidably limiting and matching with the protruding end is arranged on the ground in the bottom plate; the protruding end and the arc-shaped groove are used for guiding the shifting piece to rotate, and the shifting piece is prevented from deviating in the rotating process.

According to an embodiment of the present invention, the shifting sheet is provided with a shaft hole, the panel is provided with a plurality of insertion holes, and one of the insertion holes is coaxial with the shaft hole; the external plug has two link ends at least, consequently corresponds the jack that sets up with external plug and is two at least, and these two jacks correspond to the both ends of plectrum, and the jack that corresponds the setting with the shaft hole corresponds with the third link on the external plug.

According to the utility model discloses an embodiment, the converter body still includes epitheca, base and electrically conductive mechanism, electrically conductive mechanism gomphosis is installed on the base, the shutter gomphosis install by the epitheca with the base lid closes the installation intracavity that forms.

According to an embodiment of the present invention, the conductive mechanism includes a first conductive sheet and a second conductive sheet, one of the plurality of insertion holes is disposed corresponding to the first conductive sheet, and the other insertion hole is disposed corresponding to the second conductive sheet; the first conducting plate and the second conducting plate respectively correspond to two connecting ends of a plug on the plug converter.

According to an embodiment of the present invention, the conductive mechanism further comprises a third conductive sheet, and the third conductive sheet is coaxially disposed with the shaft hole; the third conductive plate corresponds to a third connection end of the plug on the plug converter and is used for grounding.

According to an embodiment of the present invention, the conductive mechanism further includes a temperature control switch for controlling the on/off of the circuit through a temperature change, and the temperature control switch is electrically connected to the first conductive sheet or the second conductive sheet; the temperature change control circuit is controlled to be switched on or off through the temperature control switch, so that the temperature rise caused by overcurrent when the electric appliance is used is avoided, and the electric appliance is further damaged or even potential safety hazards are caused.

Drawings

Fig. 1 is a perspective view of a socket adapter according to an embodiment of the present invention;

fig. 2 is an exploded view of a socket adapter according to an embodiment of the present invention;

fig. 3 is a half-sectional perspective view of a socket adapter according to an embodiment of the present invention;

fig. 4 is a perspective view of a socket adapter according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an upper case in an embodiment of the present invention;

fig. 6 is a partial exploded view of a socket adapter according to an embodiment of the present invention;

fig. 7 is a partial exploded view of a protective door according to an embodiment of the present invention;

fig. 8 is an exploded view of a protective door according to an embodiment of the present invention;

FIG. 9 is a partial structural view of the protection door according to the embodiment of the present invention after being opened;

fig. 10 is a schematic structural view of a conductive mechanism in an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a panel according to an embodiment of the present invention.

The reference numbers in the figures illustrate:

1. an upper shell; 2. a base; 3. a conductive mechanism; 4. a mounting cavity; 5. a protective door;

11. an installation port;

31. a first conductive sheet; 32. a second conductive sheet; 33. a third conductive sheet; 34. a temperature control switch;

51. a panel; 52. a base plate; 53. a shifting sheet; 54. a spring;

511. a jack; 512. an inner boss; 513. a limiting step; 514. a guide ramp;

521. an arc-shaped slot;

531. a shaft hole; 532. an inclined surface; 533. a helical ramp; 534. a raised end.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 8, the present embodiment provides a plug converter including a converter body having a protection door 5 mounted therein;

the protective door 5 comprises a panel 51, a bottom plate 52, a shifting sheet 53 and a spring 54, wherein the shifting sheet 53 and the spring 54 are coaxially arranged and are both installed in an installation space formed by covering the panel 51 and the bottom plate 52, and two ends of the spring 54 respectively abut against the inner bottom surfaces of the shifting sheet 53 and the bottom plate 52;

wherein the shifting piece 53 moves between an open position and a closed position relative to the bottom plate 52, the shifting piece 53 moves from the closed position to the open position after moving along the axial direction and rotating a certain angle, and the spring 54 has an elastic tendency to keep the shifting piece 53 at the closed position.

Further, as shown in fig. 1, the bottom end of the converter body is used for plugging a plug of a power supply specification, and the top end of the converter body is used for plugging a socket of a power consumption specification. In the present embodiment, the difference in the electricity usage specification includes, but is not limited to, a difference in circuit standard, a difference in connection structure, a difference in maximum power usage, a difference in maximum voltage usage, and the like.

Specifically, as shown in fig. 2 to 3, the converter body further includes an upper shell 1, a base 2, and a conductive mechanism 3, the conductive mechanism 3 is mounted on the base 2 in an embedded manner, and the protection door 5 is mounted in an installation cavity 4 formed by covering the upper shell 1 and the base 2 in an embedded manner.

Further, in the present embodiment, the conductive mechanism 3 is embedded in the base 2, wherein the plug head of the plug converter passes through and extends out of the base 2 to form the plug terminal of the external circuit.

Further, as shown in fig. 4, in the present embodiment, a mounting opening 11 is formed on the inner bottom surface of the upper casing 1, and a protruding structure adapted to the mounting opening 11 is formed on the surface of the panel 51 extending away from the bottom plate 52. The protective door 5 abuts between the conductive mechanism 3 and the upper case 1. The external plug needs to penetrate through the protective door 5 to be in circuit connection with the conductive mechanism 3.

Specifically, as shown in fig. 10, the conductive mechanism 3 includes a first conductive plate 31 and a second conductive plate 32, one of the plurality of insertion holes 511 is disposed corresponding to the first conductive plate 31, and the other insertion hole 511 is disposed corresponding to the second conductive plate 32.

Further, in the present embodiment, one of the first conductive sheet 31 and the second conductive sheet 32 corresponds to a neutral wire in the circuit, and the other corresponds to a live wire in the circuit.

Specifically, the conductive mechanism 3 further includes a third conductive plate 33, and the third conductive plate 33 is coaxially disposed with the shaft hole 531; the third conductive plate 33 corresponds to the third connection terminal of the plug on the plug converter for grounding.

Further, in this embodiment, the plug converter has three connection terminals thereon, and the third connection terminal is used for grounding.

Further, in the present embodiment, the plug adapter is used with the CEI23-50 standard of Italy and the jack 511 is used with the CEI23-57 standard, which are interchangeable. In another embodiment, the plug is also suitable for a circuit standard with three connection terminals.

Specifically, the conductive mechanism 3 further includes a temperature controlled switch 34 for controlling on/off of the circuit through temperature change, and the temperature controlled switch 34 is electrically connected to the first conductive sheet 31 or the second conductive sheet 32.

Further, in this embodiment, the temperature-controlled switch 34 is turned on or off by a change in an ambient temperature, and when a voltage flowing through the circuit reaches 250V or more and a current 10A is reached, an internal temperature rise reaches about 30K, and the circuit is in an open circuit state. After the switch is switched off, the temperature in the converter gradually falls back, and when the temperature is restored to be between 39 and 40 ℃, the circuit is restored to be connected. The temperature change control circuit is controlled to be switched on and off through the temperature control switch 34, so that the phenomenon that the temperature rises due to overcurrent when the electric appliance is used, the electric appliance is damaged, and even potential safety hazards are caused is avoided.

Specifically, as shown in fig. 8 and 9, the paddle 53 has a spiral inclined plane 533, the inner wall of the panel 51 is provided with an inner convex portion 512, and the spring 54 keeps the spiral inclined plane 533 in abutment with the inner convex portion 512.

Further, the main structure of the shifting piece 53 is substantially the same as that of the shifting piece 53 in the technical scheme in the prior art, and the shifting piece 53 is formed by reversely continuing a cylindrical structure which is substantially vertically arranged towards two sides to form two extending parts, and the two extending parts are arranged in a central symmetry manner by taking the axis of the shifting piece 53 as the center. The axis of the paddle 53 is a rotation axis when the paddle 53 rotates, and the paddle 53 can rotate around the rotation axis. Likewise, the paddle 53 moves axially, and can be considered to move linearly along the axis of rotation. The spiral slopes 533 are disposed on the outer periphery of the cylindrical structure, the inner protrusions 512 are disposed on the wall surfaces on both sides of the panel 51, and the two inner protrusions 512 are disposed in one-to-one correspondence with the two spiral slopes 533, and are used for guiding the plectrum 53 to rotate synchronously when moving axially.

Specifically, as shown in fig. 9, the dial 53 has an inclined surface 532, and the inclined surface 532 is arranged in a central symmetry manner with the axis of the dial 53 as the center; when the plug is inserted, the plug abuts against the inclined surface 532, and the rotation of the paddle 53 is guided by the inclined surface 532.

Further, inclined surfaces 532 are provided on the surfaces of the two extending portions.

Specifically, as shown in fig. 11, a limiting step 513 is disposed on the panel 51, a guiding inclined surface 514 is disposed on one side of the limiting step 513, and the spring 54 keeps the pick 53 in abutment with the guiding inclined surface 514.

Further, the inclined guide surface 514 is provided to guide the rotation of the paddle 53 when the paddle 53 moves in the axial direction, and the inclined guide surface 514 abuts against the upper surface of the paddle 53 to rotate, thereby reducing the resistance of the panel 51 to the rotation of the paddle 53.

Specifically, the pick 53 extends towards a direction away from the panel 51 to form a protruding end 534, and an arc-shaped groove 521 slidably and limitedly engaged with the protruding end 534 is disposed on the inner surface of the bottom plate 52.

Further, the protruding end 534 and the arc-shaped slot 521 are provided to guide the rotation of the pick 53, preventing it from being shifted during the rotation.

Specifically, in this embodiment, the shifting piece 53 is provided with a shaft hole 531, the panel 51 is provided with three insertion holes 511 arranged in a row, and the middle insertion hole 511 and the shaft hole 531 are coaxially arranged.

Further, the external plug has at least two connecting ends, so that at least two jacks 511 are provided corresponding to the external plug, the two jacks 511 correspond to two ends of the shifting piece 53, and the jack 511 corresponding to the shaft hole 531 corresponds to the third connecting end on the external plug.

The working principle of the plug converter in this embodiment is as follows:

an external plug is inserted into the socket at the top end of the plug converter, the connecting end of the external plug enters through the jack 511 on the panel 51, and the connecting end abuts against the inclined surface 532 in the closed position. As the plug is inserted, the paddle 53 moves axially downward, the spring 54 compresses, and the paddle 53 moves downward and rotates to the open position under the guidance of the inclined surface 532. The shifting sheet 53 is separated from the blocking state of the jack 511 on the bottom plate 52, the plug continues to pass through the jack 511 on the bottom plate 52, namely the plug passes through the protective door 5, and three connecting ends on the plug are respectively electrically connected with the first conducting sheet 31, the second conducting sheet 32 and the third conducting sheet 33. After the plug is removed, the blade 53 is moved upward in the axial direction by the spring 54, and the abutment of the spiral slope 533 with the inner protrusion 512 and the abutment of the guide slope 514 with the surface of the blade 53 are maintained. The rotation of the paddle 53 is reversed by the synchronous guidance of the spiral ramp 533 and the guide ramp 514 until the closed position is restored.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. A plug converter is characterized by comprising a converter body, a protective door (5) is arranged in the converter body;

the protective door (5) comprises a panel (51), a bottom plate (52), a shifting sheet (53) and a spring (54), the shifting sheet (53) and the spring (54) are coaxially arranged and are both installed in an installation space formed by covering the panel (51) and the bottom plate (52), and two ends of the spring (54) are respectively abutted against the shifting sheet (53) and the inner bottom surface of the bottom plate (52);

wherein the shifting piece (53) moves between an opening position and a closing position relative to the bottom plate (52), the shifting piece (53) moves to the opening position after moving along the axial direction from the closing position and rotating a certain angle, and the spring (54) has the elastic tendency of keeping the shifting piece (53) at the closing position.

2. A plug converter according to claim 1, wherein: the poking sheet (53) is provided with a spiral inclined surface (533), the inner wall of the panel (51) is provided with an inner convex part (512), and the spring (54) enables the spiral inclined surface (533) to be kept in abutting joint with the inner convex part (512).

3. A plug converter according to claim 1, wherein: the poking piece (53) is provided with an inclined surface (532), and the inclined surface (532) is arranged in a central symmetry mode by taking the axis of the poking piece (53) as the center.

4. A plug converter according to claim 1, wherein: the panel (51) is provided with a limiting step (513), one side of the limiting step (513) is provided with a guide inclined surface (514), and the spring (54) enables the poking piece (53) to be kept in butt joint with the guide inclined surface (514).

5. A plug converter according to claim 1, wherein: the poking sheet (53) extends towards the direction far away from the panel (51) to form a protruding end (534), and an arc-shaped groove (521) which can be in sliding limit fit with the protruding end (534) is formed in the inner ground of the bottom plate (52).

6. A plug converter according to claim 2, wherein: the shifting piece (53) is provided with a shaft hole (531), the panel (51) is provided with a plurality of insertion holes (511) in a penetrating mode, and one of the insertion holes (511) and the shaft hole (531) are arranged coaxially.

7. A plug converter according to claim 6, wherein: the converter body still includes epitheca (1), base (2) and electrically conductive mechanism (3), electrically conductive mechanism (3) gomphosis is installed on base (2), shutter (5) gomphosis is installed by epitheca (1) with in base (2) lid closes installation cavity (4) that form.

8. A plug converter according to claim 7, wherein: the conducting mechanism (3) comprises a first conducting strip (31) and a second conducting strip (32), one of the jacks (511) is arranged corresponding to the first conducting strip (31), and the other jack (511) is arranged corresponding to the second conducting strip (32).

9. A plug converter according to claim 8, wherein: the conducting mechanism (3) further comprises a third conducting strip (33), and the third conducting strip (33) and the shaft hole (531) are coaxially arranged.

10. A plug converter according to claim 8 or 9, wherein: the conducting mechanism (3) further comprises a temperature control switch (34) used for controlling the on-off of the circuit through temperature change, and the temperature control switch (34) is electrically connected with the first conducting strip (31) or the second conducting strip (32).

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