Multifunctional conversion socket

Abstract

The utility model provides a multifunctional conversion socket. The multifunctional conversion socket comprises a housing assembly, and a first plug, a second plug and a third plug which are telescopically connected to the front side of the housing assembly. The first plug, the second plug and the third plug are sequentially distributed at intervals from top to bottom and are mutually connected in parallel; the interior of the front side of the shell assembly is vertically and slidably connected with a blocking piece. When the first plug stretches out of the shell assembly and drives the blocking piece to be located at the lower limit position relative to the shell assembly, the blocking piece is used for blocking the second plug and the third plug from stretching out of the shell assembly. When the second plug extends out of the shell assembly and the blocking piece is kept at the middle position relative to the shell assembly, the blocking piece is used for blocking the first plug and the third plug from extending out of the shell assembly; when the third plug extends out of the shell assembly and drives the blocking piece to be located at the upper limit position relative to the shell assembly, the blocking piece is used for blocking the first plug and the second plug from extending out of the shell assembly. According to the utility model, electric shock accidents can be effectively avoided, and potential safety hazards are eliminated.

Description

TECHNICAL FIELD

[0001] The utility model relates to socket technical field, specifically, a multifunctional conversion socket. BACKGROUND

[0002] The conversion socket is a kind of conversion equipment for converting the pin of a certain specification into the pin of another specification to facilitate the use of residents in different countries internationally;At present, Chinese patent announcement No. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problems to provide a multifunctional conversion socket, it can effectively avoid the occurrence of electric shock accident, eliminates the security risk.

[0004] The utility model provides a multifunctional conversion socket, including shell assembly and the first plug, second plug and third plug of telescopic connection in the front side of shell assembly;First plug, second plug and third plug are sequentially spaced and mutually parallelly connected from top to bottom;The inside of the front side of shell assembly is vertically slidably connected with blocking piece;When first plug stretches out shell assembly and drives blocking piece to be in lower limit position relative to shell assembly, blocking piece is used to block second plug and third plug to stretch out shell assembly;When second plug stretches out shell assembly and makes blocking piece keep in intermediate position relative to shell assembly, blocking piece is used to block first plug and third plug to stretch out shell assembly;When third plug stretches out shell assembly and drives blocking piece to be in upper limit position relative to shell assembly, blocking piece is used to block first plug and second plug to stretch out shell assembly.

[0005] The utility model passes through adopting the above-mentioned structure, in the use process, simultaneously, only allow one of first plug, second plug and third plug to stretch out to the outside of shell assembly, i.e.

[0006] In a possible implementation, a spring is arranged between the lower end of the blocking piece and the shell assembly; the upper end of the spring is in clamped connection with a first clamping slot arranged on the lower end of the blocking piece, and the lower end of the spring is in clamped connection with a second clamping slot arranged on the shell assembly; after the first plug, the second plug and the third plug are all retracted into the shell assembly, the blocking piece is kept in the middle position relative to the shell assembly under the pulling action of the spring; by adopting this structure, after the first plug, the second plug and the third plug are all retracted into the shell assembly, the blocking piece can be kept in the middle position relative to the shell assembly under the action of the spring, in addition, the upper end of the spring can be reliably connected with the lower end of the blocking piece under the action of the first clamping slot and the second clamping slot, and the lower end of the spring can be reliably connected on the shell assembly.

[0007] In a possible implementation, the bottom of the front end of the first plug is provided with a socket; when the first plug, the second plug and the third plug are all retracted into the shell assembly and the blocking piece is kept in the middle position relative to the shell assembly under the pulling action of the spring, the upper end of the insertion rod arranged at the upper end of the blocking piece is inserted into the socket; the rear side of the upper end of the insertion rod is provided with a first inclined surface; when the first plug is about to be extended out of the shell assembly, the first inclined surface is used for guiding the inner wall of the socket to make the insertion rod come out of the socket, and the upper end of the insertion rod is abutted against the bottom surface of the first plug to drive the blocking piece to be in the lower limit position relative to the shell assembly; by adopting this structure, in the process of extending the first plug out of the shell assembly, the first inclined surface can guide the inner wall of the socket to make the insertion rod come out of the socket, and the upper end of the insertion rod is abutted against the bottom surface of the first plug to drive the blocking piece to be in the lower limit position relative to the shell assembly, at this time, the blocking piece can block the second plug and the third plug from being extended out of the shell assembly.

[0008] In a possible implementation, a limiting slot is arranged on the side wall of the blocking piece; when the first plug, the second plug and the third plug are all retracted into the shell assembly and the blocking piece is kept in the middle position relative to the shell assembly under the pulling action of the spring, the limiting slot is arranged in front-back correspondence with one of the conductive pins in the second plug; when the second plug is about to be extended out of the shell assembly, the corresponding conductive pin in the second plug passes through the limiting slot and abuts against the top and bottom of the limiting slot to keep the blocking piece in the middle position relative to the shell assembly; by adopting this structure, in the process of extending the second plug out of the shell assembly, the corresponding conductive pin in the second plug can pass through the limiting slot and abut against the top and bottom of the limiting slot to keep the blocking piece in the middle position relative to the shell assembly, at this time, the blocking piece can block the first plug and the third plug from being extended out of the shell assembly.

[0009] In a possible implementation, a second inclined surface is arranged on the rear side wall of the lower end of the blocking piece; when the first plug, the second plug and the third plug are all retracted into the shell assembly and the blocking piece is kept in the intermediate position relative to the shell assembly under the pulling action of the spring, the second inclined surface is arranged in front-to-back correspondence with one of the conductive tabs in the third plug; when the third plug is intended to be extended out of the shell assembly, the corresponding conductive tab in the third plug is used to guide and drive the blocking piece to be in the upper limit position relative to the shell assembly in cooperation with the second inclined surface, and the corresponding conductive tab in the third plug abuts against the lower end of the blocking piece; by adopting this structure, in the process of extending the third plug out of the shell assembly, the corresponding conductive tab in the third plug can guide and drive the blocking piece to be in the upper limit position relative to the shell assembly in cooperation with the second inclined surface, and the corresponding conductive tab in the third plug abuts against the lower end of the blocking piece, at this time, the blocking piece can block the first plug and the second plug from being extended out of the shell assembly. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0011] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model after removing part of the shell assembly;

[0012] Figure 3 It is Figure 2 It is a schematic diagram of the structure after magnifying the position A in the middle;

[0013] Figure 4 It is a schematic diagram of the three-dimensional structure of the blocking piece. DETAILED DESCRIPTION

[0014] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adjust them as needed in order to adapt to specific application occasions.

[0015] In the description of the embodiments of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0016] In the embodiments of the present application, unless specifically defined and limited otherwise, a first feature is "on" or "under" a second feature can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature can be "above", "over" and "on top of" the second feature, which can mean that the first feature is directly above or obliquely above the second feature, or only means that the first feature is horizontally higher than the second feature. The first feature can be "below", "under" and "underneath" the second feature, which can mean that the first feature is directly below or obliquely below the second feature, or only means that the first feature is horizontally lower than the second feature.

[0017] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0018] Referring to Figures 1-4 As shown in the drawings, the embodiments of the present application disclose a multifunctional conversion socket, which comprises a shell assembly 1, and a first plug 2, a second plug 3 and a third plug 4 telescopically connected to the front side of the shell assembly 1; the first plug 2, the second plug 3 and the third plug 4 are sequentially and spacedly distributed from top to bottom and are connected in parallel with each other; a blocking piece 5 is vertically and slidably connected to the inside of the front side of the shell assembly 1; when the first plug 2 is extended out of the shell assembly 1 and drives the blocking piece 5 to be in a lower limit position relative to the shell assembly 1, the blocking piece 5 is used to block the second plug 3 and the third plug 4 from being extended out of the shell assembly 1; when the second plug 3 is extended out of the shell assembly 1 and makes the blocking piece 5 remain in an intermediate position relative to the shell assembly 1, the blocking piece 5 is used to block the first plug 2 and the third plug 4 from being extended out of the shell assembly 1; when the third plug 4 is extended out of the shell assembly 1 and drives the blocking piece 5 to be in an upper limit position relative to the shell assembly 1, the blocking piece 5 is used to block the first plug 2 and the second plug 3 from being extended out of the shell assembly 1.

[0019] A spring 6 is arranged between the lower end of the blocking piece 5 and the shell assembly 1; the upper end of the spring 6 is matched and clamped with a first clamping groove 51 located on the lower end of the blocking piece 5, and the lower end of the spring 6 is matched and clamped with a second clamping groove 11 located on the shell assembly 1; when the first plug 2, the second plug 3 and the third plug 4 are all retracted into the shell assembly 1, the blocking piece 5 remains in the intermediate position relative to the shell assembly 1 under the pulling action of the spring 6; after adopting this structure, when the first plug, the second plug and the third plug are all retracted into the shell assembly, the blocking piece can remain in the intermediate position relative to the shell assembly under the action of the spring, in addition, under the action of the first clamping groove and the second clamping groove, the upper end of the spring can be reliably connected together with the lower end of the blocking piece, and the lower end of the spring can be reliably connected on the shell assembly.

[0020] The bottom of the front end of the first plug 2 is provided with a insertion hole 21; when the first plug 2, the second plug 3 and the third plug 4 are all retracted into the shell assembly 1 and the blocking piece 5 is kept in the middle position relative to the shell assembly 1 under the pulling action of the spring 6, the upper end portion of the insertion rod 52 at the upper end of the blocking piece 5 is inserted into the insertion hole 21; the rear side of the upper end of the insertion rod 52 is provided with a first inclined surface 53; when the first plug 2 is desired to be extended out of the shell assembly 1, the first inclined surface 53 is used to cooperate with the inner wall of the insertion hole 21 to guide the insertion rod 52 to be pulled out of the insertion hole 21, and the upper end of the insertion rod 52 is abutted against the bottom surface of the first plug 2 to drive the blocking piece 5 to be in the lower limit position relative to the shell assembly 1; by adopting this structure, in the process of extending the first plug out of the shell assembly, the first inclined surface can cooperate with the inner wall of the insertion hole to guide the insertion rod to be pulled out of the insertion hole, and the upper end of the insertion rod is abutted against the bottom surface of the first plug to drive the blocking piece to be in the lower limit position relative to the shell assembly, at this time, the blocking piece can block the second plug and the third plug from being extended out of the shell assembly.

[0021] The side wall of the blocking piece 5 is provided with a limiting groove 54; when the first plug 2, the second plug 3 and the third plug 4 are all retracted into the shell assembly 1 and the blocking piece 5 is kept in the middle position relative to the shell assembly 1 under the pulling action of the spring 6, the limiting groove 54 is arranged in front of and behind one of the conductive pins in the second plug 3 in a corresponding manner; when the second plug 3 is desired to be extended out of the shell assembly 1, the corresponding conductive pin in the second plug 3 passes through the limiting groove 54 and abuts against the top and bottom of the limiting groove 54 to keep the blocking piece 5 in the middle position relative to the shell assembly 1; by adopting this structure, in the process of extending the second plug out of the shell assembly, the corresponding conductive pin in the second plug can pass through the limiting groove and abut against the top and bottom of the limiting groove to keep the blocking piece in the middle position relative to the shell assembly, at this time, the blocking piece can block the first plug and the third plug from being extended out of the shell assembly.

[0022] The rear side wall of the lower end of the blocking piece 5 is provided with a second inclined surface 55; when the first plug 2, the second plug 3 and the third plug 4 are all retracted into the shell assembly 1 and the blocking piece 5 is kept in the middle position relative to the shell assembly 1 under the pulling action of the spring 6, the second inclined surface 55 is arranged in front of and behind one of the conductive tabs in the third plug 4 in a corresponding manner; when the third plug 4 is desired to be extended out of the shell assembly 1, the corresponding conductive tab in the third plug 4 is used to cooperate with the second inclined surface 55 to guide and drive the blocking piece 5 to be in the upper limit position relative to the shell assembly 1, and the corresponding conductive tab in the third plug 4 abuts against the lower end of the blocking piece 5; by adopting this structure, in the process of extending the third plug out of the shell assembly, the corresponding conductive tab in the third plug can cooperate with the second inclined surface to guide and drive the blocking piece to be in the upper limit position relative to the shell assembly, and the corresponding conductive tab in the third plug abuts against the lower end of the blocking piece, at this time, the blocking piece can block the first plug and the second plug from being extended out of the shell assembly.

[0023] The above description is only specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any changes or replacements within the technical scope disclosed by the present application can be easily thought by those skilled in the art, and should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A multifunctional conversion socket, comprising a shell assembly (1) and a first plug (2), a second plug (3) and a third plug (4) telescopically connected on the front side of the shell assembly (1); the first plug (2), the second plug (3) and the third plug (4) are sequentially and spacedly distributed from top to bottom and are connected in parallel with each other; characterized in that: The inside of the front side of the shell assembly (1) is vertically slidably connected with a blocking piece (5); when the first plug (2) is extended out of the shell assembly (1) and drives the blocking piece (5) to be in the lower limit position relative to the shell assembly (1), the blocking piece (5) is used for blocking the second plug (3) and the third plug (4) from being extended out of the shell assembly (1); when the second plug (3) is extended out of the shell assembly (1) and makes the blocking piece (5) to be kept in the intermediate position relative to the shell assembly (1), the blocking piece (5) is used for blocking the first plug (2) and the third plug (4) from being extended out of the shell assembly (1); when the third plug (4) is extended out of the shell assembly (1) and drives the blocking piece (5) to be in the upper limit position relative to the shell assembly (1), the blocking piece (5) is used for blocking the first plug (2) and the second plug (3) from being extended out of the shell assembly (1).

2. The multi-functional adapter socket according to claim 1, wherein: A spring (6) is arranged between the lower end of the blocking piece (5) and the shell assembly (1); the upper end of the spring (6) is in clamping connection with a first clamping groove (51) arranged on the lower end of the blocking piece (5), and the lower end of the spring (6) is in clamping connection with a second clamping groove (11) arranged on the shell assembly (1); when the first plug (2), the second plug (3) and the third plug (4) are all retracted into the shell assembly (1), the blocking piece (5) is kept in the intermediate position relative to the shell assembly (1) under the pulling action of the spring (6).

3. The multi-functional adapter socket of claim 2, wherein: The bottom of the front end of the first plug (2) is provided with a plug hole (21); when the first plug (2), the second plug (3) and the third plug (4) are all retracted into the shell assembly (1) and the blocking piece (5) is kept in the intermediate position relative to the shell assembly (1) under the pulling action of the spring (6), the upper end portion of a plug rod (52) arranged at the upper end of the blocking piece (5) is inserted into the plug hole (21); the rear side of the upper end of the plug rod (52) is provided with a first inclined surface (53); when the first plug (2) is intended to be extended out of the shell assembly (1), the first inclined surface (53) is used for guiding the plug rod (52) to be separated from the plug hole (21) and for making the upper end of the plug rod (52) abut against the bottom surface of the first plug (2) so as to drive the blocking piece (5) to be in the lower limit position relative to the shell assembly (1).

4. The multi-functional adapter socket of claim 2, wherein: A limiting groove (54) is arranged on the side wall of the blocking piece (5); when the first plug (2), the second plug (3) and the third plug (4) are all retracted into the shell assembly (1) and the blocking piece (5) is kept in the intermediate position relative to the shell assembly (1) under the pulling action of the spring (6), the limiting groove (54) is arranged in front-back correspondence with one of the conductive pins in the second plug (3); when the second plug (3) is intended to be extended out of the shell assembly (1), the corresponding conductive pin in the second plug (3) passes through the limiting groove (54) and abuts against the top and bottom of the limiting groove (54) so as to keep the blocking piece (5) in the intermediate position relative to the shell assembly (1).

5. The multi-functional adapter socket of claim 2, wherein: The rear side wall of the lower end of the blocking piece (5) is provided with a second inclined surface (55); when the first plug (2), the second plug (3) and the third plug (4) are all retracted into the shell assembly (1) and the blocking piece (5) is kept in the middle position relative to the shell assembly (1) under the pulling action of the spring (6), the second inclined surface (55) is arranged in front and back correspondence with one of the conductive tabs in the third plug (4); when the third plug (4) is intended to be extended out of the shell assembly (1), the corresponding conductive tab in the third plug (4) is used to cooperate with the second inclined surface (55) for guiding and driving the blocking piece (5) to be in the upper limit position relative to the shell assembly (1), and the corresponding conductive tab in the third plug (4) is abutted against the lower end of the blocking piece (5).

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