CN116093653A - Safety door device for socket and socket - Google Patents

Abstract

The present application provides a safety door device for a socket and the socket. The safety door device includes a slider frame, and the slider frame is provided with at least a first notch and a second notch corresponding to the shape of the socket hole; the first slider is placed in the slider frame and includes a first driving part and a position corresponding to the second notch. The first blocking part; the second slider is placed in the slider frame and includes a second driving part and a second blocking part corresponding to the position of the first notch; the elastic member is arranged between the first slider and the second slider And it is set so that the first slider and the second slider relatively move in the slider frame, between the first position covering the first notch and the second notch and the second position exposing the first notch and the second notch switch. The safety door device of the present application is simple in structure, safe and reliable, and easy to use, and is suitable for various types of sockets; due to the simplified installation structure, the safety door device is conducive to large-scale production, processing and assembly and improves installation efficiency, and has good cost-effectiveness. widely.

Description

Safety door device and socket for socket

technical field

The present application generally relates to the field of household electrical appliances, and in particular to a safety door device for a socket, and a socket with the safety door device.

Background technique

In daily life, electric sockets can be seen everywhere, and are usually installed or placed in families or public places for ease of use. However, most of the socket holes of existing sockets are exposed. Once a child inserts a conductive foreign object such as metal into any live socket hole out of curiosity, it will easily cause electric shock, thereby endangering life, property and safety. The same is true for adult misuse. Although some sockets currently on the market are also equipped with safety door devices, the structure is usually complicated, assembly is difficult, and the cost is high and the production capacity is low. Therefore, there is still a large room for improvement in terms of structural simplification and cost-effectiveness.

Contents of the invention

The purpose of this application is to solve the problems existing in the above-mentioned prior art, and to propose a safety door device for sockets, which can move with the insertion process of the insert, and can prevent foreign objects or incorrect insertion of the insert, In this way, the safety of use is further improved, the occurrence of electric shock accidents can be effectively avoided, and meanwhile, it has the advantages of low cost, easy assembly, and the like.

Therefore, according to one aspect of the present application, there is provided a safety door device for a socket, wherein the safety door device includes: a slider frame, and the slider frame is provided with at least a first notch corresponding to the shape of the socket hole and The second notch; the first slider, the first slider is placed in the slider frame, and includes a first driving part and a first blocking part corresponding to the position of the second notch; the second slider, The second slider is placed in the slider frame, and includes a second driving part and a second blocking part corresponding to the position of the first notch; an elastic member, the elastic member is arranged on the first slider between the block and the second slider, and is arranged so that the first slider and the second slider move relatively in the slider frame, so as to cover the first notch and the second notch at the first position and switching between the second position exposing the first notch and the second notch.

According to the technical concept above, the present application may further include any one or more of the following optional forms.

In some optional forms, the first slider includes a first base from which the first driving portion and the first blocking portion extend away from each other; the second slider A second base is included from which the second driving portion and the second blocking portion extend away from each other.

In some optional forms, the first slider and the second slider are nested, the first blocking portion is adjacent to the second driving portion, and the second blocking portion is adjacent to the first A drive unit layout.

In some optional forms, the first driving part includes a first slope, and the second driving part includes a second slope, so that the movement of the insert along the first slope and/or the second slope The relative movement of the first slider and/or the second slider is promoted.

In some optional forms, when the insert is inserted against the first slope and the second slope simultaneously, the first slider and the second slider move to expose the first notch and The second position of the second notch.

In some optional forms, the first blocking portion includes a first elastic arm and a second elastic arm, and the free ends of the first elastic arm and the second elastic arm are respectively formed with a first stopper and a second stopper. The block is configured to be elastically deformable between an open state forming a first passage to allow passage of an insert and a closed state closing said first passage to block passage of an insert.

In some optional forms, the first block and the second block are respectively provided with wedging teeth cooperating with each other in the closed state.

In some optional forms, a second channel is formed between the first elastic arm and the second elastic arm, and the extending direction of the first channel is perpendicular to the extending direction of the second channel.

In some optional forms, the second blocking portion is provided with a notch corresponding to the shape of the first notch, and in the second position, the notch communicates with the first notch.

In some optional forms, the second slider is provided with a first arm and a second arm disposed adjacent to the second slope, and the first arm and the second arm are arranged along the first elastic arm and the first elastic arm. The extension direction of the two elastic arms extends, and the second slide block also includes driving slopes respectively arranged on the first arm and the second arm, and the first block and the second block are respectively provided with the A guide ramp corresponding to the drive ramp; wherein, during the movement of the second slider from the first position to the second position, the movement of the drive ramp along the guide ramp prompts the first stop and the second block is in the open state.

In some optional forms, the slider frame is provided with a hook or a slot for positioning the first slider and/or the second slider, and the first slider and/or the second slider The second slider is provided with a corresponding slot or hook; wherein, the hook moves along the slot when the first slider and the second slider move relative to each other.

In some optional forms, the slider frame is provided with a surrounding wall to limit the moving range of the first slider and the second slider, and the hook or slot is provided on the inner surface of the surrounding wall .

In some optional forms, the surrounding wall is provided with a stroke avoidance opening at a position adjacent to the first blocking portion and/or the second blocking portion.

In some optional forms, the slider frame is provided with a stopper protruding from the bottom wall, the first slider is provided with an opening suitable for being sleeved on the stopper, and the first slider The second slider is provided with an opening suitable for being sleeved on the stop block; wherein, the first slider or the second slider is provided with a stop surface that cooperates with the stop block to limit The relative movement distance of the first slider or the second slider.

In some optional forms, the first slider and the second slider are respectively provided with limiting portions for positioning the elastic member.

In some optional forms, the elastic member is a spring, and the limiting portion is a protrusion embedded in the spring.

According to another aspect of the present application, a socket is provided, the socket includes a housing and a socket piece disposed in the housing, wherein the housing includes an upper cover with a socket hole, and the upper cover and the socket The above-mentioned safety door device for the socket is arranged between the socket pieces.

The safety door device of the present application is simple in structure, safe and reliable, and easy to use, and can be applied to various types of sockets; at the same time, due to the simplified installation structure, the safety door device is conducive to large-scale production, processing and assembly and improves installation efficiency, and has good cost performance. Benefits, wide application.

Description of drawings

Other features and advantages of the present application will be better understood through the following optional embodiments described in detail in conjunction with the accompanying drawings, in which the same symbols identify the same or similar components, wherein:

1 is a schematic diagram of a safety door device for a socket according to an embodiment of the present application;

Fig. 2 is an exploded schematic view of the safety door device shown in Fig. 1;

2A is a schematic diagram of the first slider of the safety door device, showing the opened state of the first blocking portion;

Fig. 2B is similar to Fig. 2A, showing the closed state of the first blocking portion;

3A is a schematic diagram of a second slider of the safety door device;

Fig. 3B is a schematic side view of the second slider shown in Fig. 3A;

FIG. 3C is a schematic diagram of another viewing angle of the second slider shown in FIG. 3A;

Fig. 4 is the schematic diagram of the slider frame of safety door device;

Fig. 5 is a schematic diagram of the safety door device and the socket upper cover;

6A is a schematic cross-sectional view of a socket with a safety gate device, showing an initial state when no insert is inserted;

Fig. 6B is a schematic diagram of the safety door device in the state shown in Fig. 6A;

Fig. 6C is a schematic plan view of the safety door device in the state shown in Fig. 6A;

7A is a schematic cross-sectional view of a socket with a safety door device when a plug with two longitudinal socket blades is inserted;

7B is a schematic cross-sectional view of a socket with a safety door device when a plug with a longitudinal socket piece and a horizontal socket piece is inserted;

Fig. 7C is a schematic diagram of the safety door device in the state shown in Fig. 7A or Fig. 7B;

Fig. 7D is a schematic plan view of the safety door device in the state shown in Fig. 7A or Fig. 7B;

8A is a schematic cross-sectional view of a socket with a safety door device when a foreign object is inserted into the first socket hole;

Fig. 8B is a schematic diagram of the safety door device in the state shown in Fig. 8A;

9A is a schematic cross-sectional view of a socket with a safety door device when a foreign object is inserted into the longitudinal part of the second socket hole;

Fig. 9B is a schematic diagram of the safety door device in the state shown in Fig. 9A;

10A is a schematic cross-sectional view of a socket with a safety door device when a foreign object is inserted into the lateral part of the second socket hole;

Fig. 10B is a schematic diagram of the safety door device in the state shown in Fig. 10A.

Detailed ways

The making and using of the embodiments are discussed in detail below. It should be understood, however, that the specific embodiments discussed are merely illustrative of specific ways to make and use the application, and do not limit the scope of the application. The expression of the structural position of each component such as up, down, top, bottom, etc. in the description is not absolute, but relative. These directional expressions are appropriate when the various components are arranged as shown in the drawings, but when the positions of the various components in the drawings are changed, these directional expressions are also changed accordingly.

Herein, the expression "comprises" or its synonymous similar expressions "comprising", "containing" and "having" etc. are open-ended and do not exclude additional unlisted elements, steps or components. The expression "consisting of" excludes any element, step or ingredient not specified. The expression "consisting essentially of" means limiting the scope to the specified elements, steps or ingredients, plus the optional presence of elements, steps or ingredients that do not materially affect the basic and novel characteristics of the claimed subject matter. It should be understood that the expression "comprising" encompasses the expressions "consisting essentially of" and "consisting of".

Herein, expressions such as "first" and "second" are not used to limit the sequence and the number of components, unless otherwise specified.

In this article, unless otherwise clearly and specifically defined, terms such as "installation", "connection", and "attachment" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; it can be It can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two elements or the interaction relationship between two elements. Those skilled in the art can understand the specific meanings of the above terms herein according to specific situations.

1 to 5, a safety door device 1 for a socket according to an embodiment of the present application is shown, the safety door device 1 includes a slider frame 2 and a first slider 3 that can be placed in the slider frame 2 , The second slider 4 and the elastic member 5. Wherein, the slider frame 2 is provided with a plurality of notches corresponding to the shape of the socket hole, and the notches can be set as I-shaped notches and/or T-shaped notches according to actual needs. For example, in FIG. 4 , the slider frame 2 is exemplarily provided with an I-shaped first notch 201 and a T-shaped second notch 202 , so as to be applicable to sockets of different standards. For example, the upper cover 6 of the socket shown in Fig. 5 is provided with three socket holes, and the first gap 201 and the second gap 202 of the slider frame 2 correspond to the I-shaped first socket hole 601 and the T-shaped second socket hole respectively. socket hole 602 . Of course, when both the first socket hole and the second socket hole are I-shaped, the notch design of the slider frame 2 is also applicable. For the convenience of description, the extension direction of the I-shaped socket hole is defined as the longitudinal direction, and the T-shaped socket hole respectively includes a longitudinal portion 602a and a transverse portion 602b perpendicular to the longitudinal direction.

According to the present application, the first slider 3 includes a first driving part and a first blocking part corresponding to the position of the second notch 202, and the second slider 4 includes a second driving part and a second blocking part corresponding to the position of the first notch 201. department. The elastic member 5 is arranged between the first slider 3 and the second slider 4, and is arranged so that the first slider 3 and the second slider 4 move relatively in the slider frame 2, so as to cover the first gap 201 Switch between the first position with the second notch 202 exposed and the second position with the first notch 201 and the second notch 202 exposed. Advantageously, in its initial state, the elastic member 5 enables the first slider 3 and the second slider 4 to cover the gap, ie to be in the first position. In this way, the safety door device can effectively prevent the insertion of foreign objects or the misoperation of the plug. adverse effects of moisture, etc.).

According to the present application, when the insert is only inserted into one socket hole, the movement of the first slider 3 or the second slider 4 will not expose the gap on the slider frame 2; Simultaneous movement of the first slider 3 and the second slider 4 can expose the gap.

2A to 3C, in the illustrated embodiment, the first slider 3 includes a first base 309, and the first driving portion 302 and the first blocking portion 308 extend away from each other from the first base 309; The slider 4 includes a second base 409 from which the second driving portion 401 and the second blocking portion 408 extend away from each other.

In some embodiments, the first slider 3 and the second slider 4 are nested, the first blocking part 308 is arranged adjacent to the second driving part 401 , and the second blocking part 408 is arranged adjacent to the first driving part 302 . In this way, the first slider 3 can be provided with an opening 307. During assembly, the second blocking part 408 can be obliquely inserted from the opening 307 to the bottom of the first driving part 302, and then the second driving part 401 is placed on the first stop. Above the blocking portion 308, the assembly of the two sliders is thus completed, and the two sliders are placed parallel to each other and can slide relatively freely. After that, put the two sliders into the slider frame 2 , so that the first blocking portion 308 of the first slider 3 covers the second notch 202 , and the second blocking portion 408 of the second slider 4 covers the first notch 201 . Then, compress the elastic member 5 and put it between the first slider 3 and the second slider 4 and position it, so that the assembly of the safety gate device can be completed.

In some embodiments, the first driving portion 302 includes a first slope, as shown in FIG. 2A , and the second driving portion 401 includes a second slope, as shown in FIG. 3A , so that the insert moves along the first slope and/or The movement of the second slope prompts the relative movement of the first slider 3 and/or the second slider 4 . The elastic member 5 can be a spring, and the first slider 3 and the second slider 4 are respectively provided with stoppers for positioning the elastic member 5, such as the first protrusion 303 formed on the first base 309 as shown in FIG. 2A A second protrusion 403 opposite to the first protrusion 303 is formed on the second base 409 , so that the first protrusion 303 and the second protrusion 403 are embedded into the two ends of the elastic member 5 to realize position limitation. This way simplifies the structure and reduces the accommodating space of the safety door device in the socket. It should be understood that other proper manners of the limiting part are feasible, for example, the protruding column may be replaced by a groove to accommodate both ends of the elastic member 5 .

When the insert is inserted against the first slope (first driving part 302) and the second slope (second driving part 401) at the same time, the first slider 3 and the second slider 4 simultaneously move and compress the elastic member 5, thereby It is in the second position exposing the first notch 201 and the second notch 202 . When the insert is only inserted against the first slope or the second slope, the movement of the first slider 3 or the second slider 4 only compresses one end of the elastic member 5, which makes the first part extending away from the first driving part 302 The blocking portion 308 and the second blocking portion 408 extending away from the second driving portion 401 can still respectively cover the second gap or the first gap to play a protective role.

Returning to FIG. 2A and FIG. 2B , in the illustrated embodiment, the first blocking portion 308 includes a first elastic arm 301a and a second elastic arm 301b, and the free ends of the first elastic arm 301a and the second elastic arm 301b are respectively A first stopper and a second stopper are formed and are configured to be elastically deformable between an open state forming the first channel 304 to allow the insert to pass through and a closed state to close the first channel 304 to prevent the insert from passing therethrough. Figure 2A shows the open state and Figure 2B shows the closed state. In some embodiments, the first stopper and the second stopper are respectively provided with wedging teeth 306a, 306b that cooperate with each other in the closed state.

In the illustrated embodiment, the first channel 304 corresponds to the lateral portion 602b of the second socket hole 602, and for the longitudinal portion 602a of the second socket hole 602, a first elastic arm 301a and a second elastic arm 301b are formed between the first elastic arm 301a and the second elastic arm 301b. Two channels, wherein the extending direction of the first channel 304 is perpendicular to the extending direction of the second channel. Optionally, the second channel is formed by a part of the opening 307 of the first slider 3 .

Returning to FIGS. 3A to 3C , in the illustrated embodiment, the second blocking portion 408 can be configured as a plate, and is provided with a notch 404 corresponding to the shape of the first notch 201. In the second position, the notch 404 Can communicate with the first notch 201 . In addition, the second slider 4 may be provided with a first arm and a second arm arranged adjacent to the second slope, the first arm and the second arm extending along the extension direction of the first elastic arm 301a and the second elastic arm 301b. The second slider 4 also includes driving slopes 402a, 402b respectively provided on the first arm and the second arm. Correspondingly, the first stopper and the second stopper of the first slider 3 are respectively provided with guide slopes 305a, 305b corresponding to the drive slopes 402a, 402b. In this way, during the movement of the second slider 4 from the first position to the second position, the movement of the driving slopes 402a, 402b along the guiding slopes 305a, 305b causes the first stopper and the second stopper to be in an open state. Correspondingly, when the second slider 4 moves from the second position to the first position, the movement of the driving slopes 402a, 402b along the guiding slopes 305a, 305b causes the first stopper and the second stopper to be in a closed state.

Fig. 4 shows an embodiment of the slider frame 2, optionally, the slider frame 2 is provided with hooks or slots for positioning the first slider 3 and/or the second slider 4, correspondingly, The first slider 3 and/or the second slider 4 are provided with corresponding slots or hooks. FIG. 3A to FIG. 3C exemplarily show the slot 407 provided on the second slider 4 , and FIG. 4 exemplarily shows the hook 205 provided on the slider frame 2 . In this way, the hook 205 can move along the slot 407 when the first slider 3 and the second slider 4 move relatively. Advantageously, the slider frame 2 is provided with a surrounding wall to limit the movement range of the first slider 3 and the second slider 4, and the hook 205 can be arranged on the inner surface of the surrounding wall, such as two opposite inner surfaces On the other hand, the second slider 4 is correspondingly provided with two locking slots 407, so that the two sliders can be restricted in the slider frame and are not easy to fall without affecting the relative movement of the two sliders.

Since the first blocking portion 308 is set to be able to switch between the open state and the closed state, the position of the surrounding wall of the slider frame 2 adjacent to the first blocking portion 308 can be provided with a stroke avoidance port, so that the first stopper and the second When the second stopper is opened, it will not interfere with the surrounding wall of the slider frame, so that it can be in the opened state smoothly during normal use. FIG. 4 exemplarily shows three stroke avoidance openings 203 respectively formed on the three side walls of the surrounding wall.

In some embodiments, the slider frame 2 is provided with stoppers 204 protruding from the bottom wall, two stoppers are shown in the figure as an example. The opening 307 of the first slider 3 can be sleeved on the stopper 204 , and the second slider 4 is similarly provided with an opening 406 adapted to be sleeved on the stopper 204 . Advantageously, the first sliding block 3 or the second sliding block 4 is provided with a stop surface cooperating with the stop block 204 to limit the relative movement distance of the first sliding block 3 or the second sliding block 4 . For example, a stop surface 405 is shown as an example on the second slider 4 .

The working principle of the safety door device of the present application will be further described below with reference to FIGS. 6A to 10B .

Firstly, the socket is shown to include a housing and socket pieces 801, 802 arranged in the housing. The housing includes an upper cover 6 and a base 7 connected to each other, and the above-mentioned Safety gate device.

When no insert is inserted, as shown in FIG. 6A to FIG. 6C , the safety door device maintains the first slider 3 and the second slider 4 at the first position due to the action of the elastic member 5 , and the safety door device is in a closed state. At this time, the first blocking portion 308 and the second blocking portion 408 cover the first notch 201 and the second notch 202 .

When the plug is inserted, as shown in Figure 7A, the plug has inserts A1, A2, A3, wherein two longitudinally parallel inserts A2, A3 are inserted along the socket holes and contact the first driving parts 302 of the two sliders and the second driving part 401, the first slider 3 and the second slider 4 are respectively subjected to the force exerted by the insertion piece and overcome the elastic force of the elastic member 5 to move relative to each other, so that the first blocking part 308 and the second blocking part 408 Move to expose the first notch, and the part of the second notch corresponding to the longitudinal part of the second socket hole (second channel), so that the two inserts can be smoothly inserted into the socket and contact the socket pieces in the socket to realize normal power consumption .

When the plug with inserts B1, B2, B3 as shown in Figure 7B is inserted, a longitudinal insert B3 and a transverse insert B2 are inserted along the socket hole and contact the first driving part 302 of the two sliders Like the second driving part 401, the first slider 3 and the second slider 4 are respectively subjected to the force exerted by the insert and overcome the elastic force of the elastic member 5 to move relative to each other, so that the first blocking part 308 and the second blocking part The 408 move exposes the first gap. At the same time, the movement of the driving slopes 402a, 402b of the second slider 4 along the guide slopes 305a, 305b of the first slider 3 impels the first stopper and the second stopper of the first slider to be in an open state, thereby exposing the first stopper and the second stopper of the first slider. The part (the first channel) corresponding to the lateral part of the second notch and the second socket hole enables the two insertion pieces to be inserted into the socket smoothly and contact the socket piece in the socket, so as to realize normal power consumption.

7C and 7D show the state of the safety door device when the plug is normally inserted into the socket. It should be understood that if the plug is pulled out, due to the resilience of the elastic member, the first slider and the second slider will automatically move back to their original positions, and continue to play a protective role against misplugging.

When a foreign object C is inserted from one socket hole of the socket, as shown in FIGS. 8A and 8B , the socket hole on the right side is inserted, and the foreign object C contacts the first driving part 302 on the first slider 3 and moves downward. In order to apply a compressive force to the elastic member, since the second driving part of the second slider 4 has no force, the second slider 4 tends to move to the left under the action of the elastic member, and the second blocking part 408 still covers the first gap 201, the foreign object C cannot be inserted.

Similarly, when the foreign matter C is inserted from the socket hole on the left side as shown in Figure 9A and Figure 9B, specifically into the area corresponding to the longitudinal part 602a of the second socket hole, the second driving part 401 of the second slider 4 When the foreign object C moves downward, a compressive force is applied to the elastic member. Since the first driving part of the first slider 3 has no force, the first slider 3 has a tendency to move to the right under the action of the elastic member, and the first blocking part 308 still covers the second gap 202, and foreign matter still cannot be inserted.

When the foreign matter C is inserted from the socket hole on the left side as shown in Figure 10A and Figure 10B, specifically the area corresponding to the lateral part 602b of the second socket hole, at this time, the second driving part of the second slider 4 does not The force exerted by the downward movement of the foreign object C, and the first driving part of the first slider 3 is not subjected to force, the first blocking part 308 still covers the second gap 202, and the foreign object cannot be inserted, thereby preventing the occurrence of electric shock. Safety protection is achieved.

The safety door device of the present application is simple in structure, compact and reasonable in design, safe and reliable, can be applied to various socket structures without any modification, and has a wide range of applications. In addition, the safety door device has few components, and mutual positioning can be realized between the various components, which can realize automatic production and be assembled as a whole.

It should be understood here that the embodiments shown in the figures only show optional shapes, sizes and arrangements of various optional components of the safety gate device and socket according to the present application, but it is only illustrative and non-limiting, without departing from Other shapes, sizes and arrangements are also possible within the spirit and scope of the present application. In addition, the slider frame, the first slider and the second slider in the safety door device in the above embodiment are shown and described in an integrated form, so as to facilitate processing and assembly. However, they can also be separated or partially formed according to the number of socket holes. Combination molding.

The technical content and technical characteristics of the present application have been disclosed above, but it can be understood that under the creative thinking of the present application, those skilled in the art can make various changes and improvements to the above-mentioned disclosed concept, but all belong to the protection scope of the present application . The description of the above implementations is illustrative rather than restrictive, and the protection scope of the present application is determined by the claims.

Claims (17)

1. A safety door device for socket, characterized in that, said safety door device comprises: A slider frame, the slider frame is provided with at least a first notch and a second notch corresponding to the shape of the socket hole; a first slider, the first slider is placed in the slider frame, and includes a first driving part and a first blocking part corresponding to the position of the second notch; a second slider, the second slider is placed in the slider frame, and includes a second driving part and a second blocking part corresponding to the position of the first notch; an elastic member, the elastic member is arranged between the first slider and the second slider, and is arranged so that the first slider and the second slider move relatively in the slider frame, so as to Switching between a first position covering the first notch and the second notch and a second position exposing the first notch and the second notch. 2. The safety door device for a socket according to claim 1, wherein the first slider comprises a first base, and the first driving part and the first blocking part are connected from the first The bases extend away from each other; the second slider includes a second base from which the second driving portion and the second blocking portion extend away from each other. 3. The safety door device for a socket according to claim 1, wherein the first slider and the second slider are nested, and the first blocking part is adjacent to the second driving part arrangement, the second blocking part is arranged adjacent to the first driving part. 4. The safety door device for a socket according to claim 1, wherein the first driving part comprises a first inclined surface, and the second driving part comprises a second inclined surface, so that the plug-in along the first Movement of an inclined plane and/or said second inclined plane causes relative movement of said first slider and/or said second slider. 5. The safety door device for a socket according to claim 4, wherein when an insert is inserted against the first slope and the second slope simultaneously, the first slider and the second slope The second slider moves to a second position exposing the first notch and the second notch. 6. The safety door device for socket according to claim 4, characterized in that, the first blocking part comprises a first elastic arm and a second elastic arm, and the free parts of the first elastic arm and the second elastic arm The ends are respectively formed with a first stopper and a second stopper, and are configured to be resilient between an open state in which a first passage is formed to allow passage of an insert and a closed state in which the first passage is closed to block passage of an insert out of shape. 7. The safety door device for a socket according to claim 6, wherein the first stopper and the second stopper are respectively provided with wedging teeth that cooperate with each other in the closed state. 8. The safety door device for a socket according to claim 6, wherein a second channel is formed between the first elastic arm and the second elastic arm, and the extending direction of the first channel is perpendicular to the Describe the extension direction of the second channel. 9. The safety door device for socket according to claim 4, characterized in that, the second blocking part is provided with a notch corresponding to the shape of the first notch, and in the second position, the notch The mouth communicates with the first notch. 10. The safety door device for a socket according to claim 6, wherein the second slider is provided with a first arm and a second arm arranged adjacent to the second slope, the first arm and the second arm The second arm extends along the extension direction of the first elastic arm and the second elastic arm, and the second slider further includes driving slopes respectively arranged on the first arm and the second arm, and the first stop The block and the second block are respectively provided with guiding slopes corresponding to the driving slopes; wherein, during the movement of the second slider from the first position to the second position, the driving slopes The movement of the guide slope promotes the first stopper and the second stopper to be in the opened state. 11. The safety door device for a socket according to any one of claims 1 to 10, characterized in that, the slider frame is provided with a door for positioning the first slider and/or the second slider. hook or slot, the first slider and/or the second slider is provided with a corresponding slot or hook; wherein, the hook is on the first slider and the second slider Move along the card slot during relative movement. 12. The safety door device for a socket according to claim 11, wherein the slider frame is provided with a surrounding wall to limit the moving range of the first slider and the second slider, and the hook Or the card slot is arranged on the inner surface of the surrounding wall. 13 . The safety door device for a socket according to claim 12 , wherein a travel avoidance opening is provided at a position adjacent to the first blocking portion and/or the second blocking portion on the surrounding wall. 14 . 14. The safety door device for a socket according to any one of claims 1 to 10, wherein the slider frame is provided with a stopper protruding from the bottom wall, and the first slider There is an opening suitable to be sleeved on the stop block, and the second slider is provided with an opening suitable to be sleeved on the stop block; wherein, the first slider or the second The slider is provided with a stop surface that cooperates with the stop block to limit the relative movement distance of the first slider or the second slider. 15. The safety door device for a socket according to any one of claims 1 to 10, characterized in that, the first sliding block and the second sliding block are respectively provided with a limiter for positioning the elastic member. bit department. 16 . The safety door device for a socket according to claim 15 , wherein the elastic member is a spring, and the limiting portion is a protrusion embedded in the spring. 17 . 17. A socket, the socket includes a housing and a socket piece arranged in the housing, characterized in that the housing includes an upper cover with a socket hole, between the upper cover and the socket piece A safety gate arrangement for a socket according to any one of claims 1 to 16 is provided.

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