CN220066211U - Socket protection door structure - Google Patents

Abstract

The socket protection door structure comprises a cover plate, a protection door and a base, wherein the cover plate and the base cover to form a protection door cavity for installing the protection door, the protection door comprises a first protection door and a second protection door, an elastic piece is arranged between the first protection door and the second protection door, the first protection door and the second protection door are installed in the base in a left-right sliding mode, a first sliding structure is arranged on a friction surface of the first protection door, and a second sliding structure is arranged on a friction surface of the second protection door. The socket protection door structure adopts the split protection door, the split protection doors are relatively moved between the split protection doors and the base, the problem of use safety of the traditional integrated protection door that the internal conductive parts are exposed due to the fact that the single pole is inserted by the conductive object is solved, and the sliding structure is arranged on the friction surfaces of the split protection doors to reduce friction, so that the sliding smoothness and reliability of the protection door are improved.

Description

Socket protection door structure

Technical Field

The utility model relates to the field of piezoelectric devices, in particular to a socket protection door structure.

Background

Most of the existing power socket protection doors are of an integrated structure, so that when a monopole is inserted into a conductive object, the whole protection door slides simultaneously to expose internal conductive parts, so that the risk of electric shock is caused; in order to prevent the integral protection door from being inserted by the monopole, expose inside conductive parts, the prior art often adds limit structures such as a large amount of spacing posts, stopper, spacing groove on the seat of protection door and assembly protection door, but such structural design is complicated, and the failure rate is high. The existing power socket protection door is also partly of a split type structure, matched parts are increased, friction resistance is increased, the protection door is not smooth to move, the use feeling is poor, and even the situation that the socket cannot be used due to the fact that the socket cannot be moved due to the fact that the protection door is clamped is caused.

Disclosure of Invention

The utility model aims to overcome at least one defect in the prior art and provide a socket protection door structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the socket protection door structure comprises a cover plate, a protection door and a base, wherein the cover plate and the base cover to form a protection door cavity for installing the protection door, the protection door comprises a first protection door and a second protection door, an elastic piece is arranged between the first protection door and the second protection door, the first protection door and the second protection door are installed in the base in a left-right sliding mode, a first sliding structure is arranged on a friction surface of the first protection door, and a second sliding structure is arranged on a friction surface of the second protection door.

Preferably, the first protection door and the second protection door are provided with opposite notches on the front side and the rear side, the first protection door and the second protection door are spliced and then limited between the front side and the rear side of the base, the first sliding structure comprises a first sliding protrusion arranged on the opposite sides of the notches of the first protection door and in sliding fit with one side of the base, and the second sliding structure comprises a second sliding protrusion arranged on the opposite sides of the notches of the second protection door and in sliding fit with the other side of the base.

Preferably, the second protection threshold is located between the front side and the rear side of the first protection door, the second sliding structure comprises a second sliding protrusion, the second sliding protrusion is arranged on the front side and the rear side of the second protection door and corresponds to the front side and the rear side inner wall of the first protection door in sliding fit, the first protection threshold is located between the front side and the rear side of the base, the first sliding structure comprises a first sliding protrusion, the first sliding protrusion is arranged on the front side and the rear side outer wall of the first protection door and corresponds to the front side and the rear side inner wall of the base in sliding fit.

Preferably, the first sliding structure comprises a third sliding protrusion, which is arranged on the top end of the first protection door and is in sliding fit with the cover plate; and/or, the second sliding structure comprises a fourth sliding protrusion which is arranged on the top end of the second protection door and is in sliding fit with the cover plate.

Preferably, a raised slideway is arranged in the protective door cavity of the base and is in sliding fit with the bottom surfaces of the first protective door and the second protective door; the first protection door is provided with a fifth sliding protrusion on the friction horizontal plane with the second protection door, and/or the second protection door is provided with a sixth sliding protrusion on the friction horizontal plane with the first protection door.

Preferably, the slide way is provided with a first stop block and a second stop block, and the bottom surface of the first protection door is provided with a first stop step surface matched with the first stop block for limiting the sliding stroke of the first protection door; the bottom surface of the second protection door is provided with a second stop step surface matched with the second stop block for limiting the sliding stroke of the second protection door.

Preferably, the first protection door comprises a first pushing part and a first shielding part corresponding to the left jack of the base seat, the second protection door comprises a second pushing part and a second shielding part corresponding to the right jack of the base seat, the first pushing part of the first protection door is overlapped on the second shielding part and is elastically connected with the second pushing part through the elastic piece, the elastic piece is a spring, the second pushing part of the second protection door is overlapped on the first shielding part, the first pushing part is provided with a first spring fixing column on the side surface opposite to the second pushing part, the other side of the first pushing part is provided with a first pushing inclined plane, the second pushing part is provided with a second spring fixing column on the side surface opposite to the first pushing part, and the other side of the second pushing part is provided with a second pushing inclined plane.

Preferably, the socket is a two-pole socket, the first protection door and the second protection door are of spliced central symmetry structures, the first pushing part and the first shielding part of the first protection door are connected to the left end and the right end on the front side surface of the rear side plate, and the second pushing part and the second shielding part of the second protection door are connected to the left end and the right end on the rear side surface of the front side plate; the first shielding part and the second shielding part are L-shaped blocks, and the first pushing part and the second pushing part are triangular blocks.

Preferably, the socket is a two-pole socket, the first protection door is a square frame, the left side of the square frame is higher than other sides to form the first shielding part, the second protection door is provided with a convex frame, the right side frame of the large end of the convex frame is the second shielding part, the small end of the convex frame is limited between the front side and the rear side of the first protection door, the left side frame of the small end of the convex frame is provided with a second pushing part protruding upwards, and the front side frame and the rear side frame of the small end of the convex frame are provided with upper protrusions and are connected with the second pushing part.

Preferably, the socket is a tripolar socket, the first protection door and the second protection door are two trapezoidal frames spliced with each other, the left side frame of the first protection door is the first shielding part, the first protection door is provided with a front side short side bulge, the front side short side bulge and the first shielding part are arranged in a vertically staggered manner to form a first stop step surface, and the right side of the first protection door is provided with the first pushing part, is vertically staggered with the first shielding part and is connected with the front side short side bulge;

the right side frame of second protection door is for the second shelters from the portion, the second protection door has the long limit of rear side arch, the long limit of rear side is protruding to be misplaced from top to bottom with the second shelters from the portion, forms the second backstop step face, the left side of second protection door has the second promotes the portion, misplaces from top to bottom with the second shelters from the portion to meet with the long limit of rear side arch.

Preferably, the socket is a tripolar socket, the first protection door and the second protection door are two trapezoidal frames of embedding mutually, the left side height of first protection door is less than other side heights, forms first shielding part, the right side frame of first protection door is first pushing part, the half protruding part limit in left side of second protection door is located between the front and back sides of first protection door, the half protruding part's in left side frame in left side is second pushing part.

The socket protection door structure adopts the split protection door, the split protection doors are relatively moved between the split protection doors and the base, the problem of use safety of the traditional integrated protection door that the internal conductive parts are exposed due to the fact that the single pole is inserted by the conductive object is solved, and the sliding structure is arranged on the friction surfaces of the split protection doors to reduce friction, so that the sliding smoothness and reliability of the protection door are improved.

In addition, two protection door components of a whole that can function independently adopt the concatenation formula structure, splice together the back spacing between the front and back side of base, simple structure, easy to assemble not only increases the slip arch, reduces the friction, still reduces the friction surface simultaneously, and it is more smooth and easy to slide.

Drawings

FIG. 1 is an exploded view of a two pole socket according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the front structure of a two pole socket cover plate of the present utility model;

FIG. 3 is a schematic view of the reverse side of the two pole socket cover plate of the present utility model;

FIG. 4 is a schematic view of a two pole jack base of the present utility model;

FIG. 5 is a schematic illustration of a monopolar insertion of a bipolar receptacle according to an embodiment of the present utility model;

FIG. 6 is a perspective view of the internal structure of a base according to an embodiment of the present utility model;

FIG. 7 is a cross-sectional view of an internal structure of a base according to an embodiment of the present utility model;

FIG. 8 is a schematic view of a base and a protective door according to an embodiment of the utility model;

FIG. 9 is a schematic diagram of a first protection door according to an embodiment of the utility model;

FIG. 10 is an assembled view of a second door and spring according to an embodiment of the present utility model;

FIG. 11 is an exploded view of a second protective door according to an embodiment of the present utility model;

fig. 12 is an exploded view of a tripolar jack according to an embodiment of the present utility model;

fig. 13 is a schematic diagram of the front structure of the cover plate of the tripolar socket according to the present utility model;

fig. 14 is a schematic view of the reverse structure of the cover plate of the tripolar socket according to the present utility model;

fig. 15 is a schematic structural view of a three-pole socket base of the present utility model;

fig. 16 is a schematic illustration of a tripolar receptacle monopolar insertion according to an embodiment of the present utility model;

FIG. 17 is a perspective view of the internal structure of the three-base of the embodiment of the present utility model;

FIG. 18 is a cross-sectional view of the three-base internal structure of an embodiment of the present utility model;

FIG. 19 is an assembly view of a third protective door according to an embodiment of the present utility model;

FIG. 20 is a schematic view showing the structure of a third first protective door according to an embodiment of the present utility model;

FIG. 21 is an assembly view of a fourth door and spring according to an embodiment of the present utility model;

fig. 22 is an exploded view of a fourth protective door according to an embodiment of the present utility model;

a cover plate 1; a positioning column 101; a cover plate left jack 102; a cover right jack 103; a receptacle 104 in the cover plate; a base 2; a protection door cavity 200; a slideway 201; a first stopper 202; a second stopper 203; a base left jack 204; a base right jack 205; a positioning hole 206; a first protection door 3; a first sliding protrusion 301; a third sliding protrusion 302; a first stop step surface 303; a first spring fixing post 304; a first push ramp 305; a fifth sliding projection 306; a first pushing portion 31; a first shielding portion 32; a rear side plate 33; front short-side protrusions 34; a second protection door 4; a second sliding protrusion 401; a fourth sliding projection 402; a second stop step surface 403; a second spring fixing post 404; a second push ramp 405; a sixth sliding projection 406; a second pushing part 41; a second shielding portion 42; a front side plate 43; a convex frame 44; an upper projection 45; rear long-side projections 46; a spring 5; a monopole A; a front side B; and a rear side C.

Detailed Description

The following describes further embodiments of the socket protection door structure of the present utility model with reference to the examples given in the accompanying drawings. The socket protection door structure of the present utility model is not limited to the description of the following embodiments.

As shown in fig. 1 to 4 and 12 to 15, the socket protection door structure of the present utility model includes a cover plate 1, a protection door and a base 2, the cover plate 1, the protection door and the base 2 are assembled into one protection door module, the protection door module is mounted above an internal electrode in a socket, wherein the cover plate 1 may be a part of a socket housing or the socket housing may be provided with a separate socket panel; the plug is inserted into the socket, passes through the protection door module and then contacts with the inner electrode below to form electric connection. The cover plate 1 and the base 2 are covered to form a protection door cavity 200 for installing the protection door, the cover plate 1 is provided with a positioning column 101, the base 2 is provided with a positioning hole 206 matched with the positioning column 101, the positioning column 10 is inserted into the positioning hole 206 to fix the cover plate 1 and the base 2, the protection door comprises a first protection door 3 and a second protection door 4, an elastic piece is arranged between the first protection door 3 and the second protection door 4, the first protection door 3 and the second protection door 4 are installed in the base 2 in a left-right sliding manner, in particular, a first sliding structure protruding is arranged on a friction surface of the first protection door 3, and a second sliding structure protruding is arranged on a friction surface of the second protection door 4. The socket protection door structure adopts the split protection door, the split protection doors are relatively moved between the split protection doors and the base, the problem of use safety of the traditional integrated protection door that the internal conductive parts are exposed due to the fact that the single pole is inserted by the conductive object is solved, and the sliding structure is arranged on the friction surfaces of the split protection doors to reduce friction, so that the sliding smoothness and reliability of the protection door are improved.

As shown in fig. 5-8 and fig. 16-18, in one solution of the socket protection door structure and the sliding structure of the present utility model, the front side and the rear side of the first protection door 3 and the second protection door 4 are provided with opposite notches, and one side of the first protection door 3 and one side of the second protection door 4 provided with the notches are spliced and then limited between the front side and the rear side of the base 2, and the first sliding structure includes a first sliding protrusion 301 disposed on the opposite side of the notch of the first protection door 3 and located on the outer side of the first protection door 3 and slidingly engaged with one side of the base 2, and the second sliding structure includes a second sliding protrusion 401 disposed on the opposite side of the notch of the second protection door 4 and located on the outer side of the second protection door 4 and slidingly engaged with the other side of the base 2. The split type structure is adopted by the two protection doors, the split type structure is spliced together and then limited between the front side and the rear side of the base, the structure is simple, the installation is convenient, the sliding protrusions are increased, the friction is reduced, the friction surface is reduced, and the sliding is smoother.

As shown in fig. 10-11 and fig. 21-22, in another embodiment of the socket protection door structure and the sliding structure of the present utility model, the second protection door 4 is limited between the front side and the rear side of the first protection door 3, the second sliding structure includes a second sliding protrusion 401 disposed on the front side and the rear side of the second protection door 4 and corresponding to be in sliding fit with the front side and the rear side inner wall of the first protection door 3, the first protection door 3 is limited between the front side and the rear side of the base 2, and the first sliding structure includes a first sliding protrusion 301 disposed on the front side and the rear side outer wall of the first protection door 3 and corresponding to be in sliding fit with the front side and the rear side inner wall of the base 2. Of course, the first protection door 3 may be limited between the front and rear sides of the second protection door 4, the first sliding protrusion 301 is disposed on the front side and the rear side of the first protection door 3 and is correspondingly in sliding fit with the front side and the rear side inner wall of the second protection door 4, the second protection door 4 is limited between the front side and the rear side of the base 2, and the second sliding protrusion 401 is disposed on the front side and the rear side outer wall of the second protection door 4 and is correspondingly in sliding fit with the front side and the rear side inner wall of the base 2. The two protection doors are in a small and large surrounding structure and are embedded into the base, and sliding protrusions are arranged on the contact surface, so that friction is reduced, the sliding smoothness of the protection doors is guaranteed, and the sliding stability and reliability are improved. The first sliding protrusion 301 and the second sliding protrusion 401 include, but are not limited to, semi-cylinders, and other sliding-enabling structures such as hemispheres arranged in a top-bottom array are also possible. In fig. 8 to 11 and 19 to 22, B indicates a front position, and C indicates a rear position.

As shown in fig. 8, 11, 19 and 22, the first sliding structure includes a third sliding protrusion 302, which is disposed on the top end of the first protection door 3 and slidingly engaged with the cover plate 1; and/or the second sliding structure comprises a fourth sliding protrusion 402, which is disposed on the top end of the second protection door 4 and is in sliding fit with the cover plate 1. Through the sliding protrusion at the top end of the protection door and the sliding fit of the cover plate, the upper limit is formed on the protection door, and friction is reduced.

As shown in fig. 4 and 15, a protruding slideway 201 is provided in the protection door cavity 200 of the base 2, and slidingly engages with the bottom surfaces of the first protection door 3 and the second protection door 4. As shown in fig. 10 and 22, the first protection door 3 is provided with a fifth sliding protrusion 306 on a friction level with the second protection door 4, and/or the second protection door 4 is provided with a sixth sliding protrusion 406 on a friction level with the first protection door 3. As shown in fig. 4 and 15, the slideway 201 is provided with a first stop block 202 and a second stop block 203. As shown in fig. 8, 11, 19 and 22, the bottom surface of the first protection door 3 is provided with a first stop step surface 303 matched with the first stop block 202, and the first stop step surface 303 is matched with the first stop block 202 on one side wall of the base 2 to limit the sliding stroke of the first protection door 3; the bottom surface of the second protection door 4 is provided with a second stop step surface 403 matched with the second stop block 203, and the second stop step surface 403 is matched with the second stop step surface 40 on the side wall of the other side of the base 2 to limit the sliding stroke of the second protection door 4. The stop step surface on the protection door is matched with the stop block in the base to realize limit, and the left end and the right end are not required to be provided with limit structures respectively, so that the protection door is prevented from deviating in the sliding process, and the effect of fixing the position of the protection door is achieved.

As shown in fig. 1-4, the cover plate 1 of the two-pole socket has a cover plate left jack 102 and a cover plate right jack 103; the base 2 has a base left jack 204 corresponding to the cover left jack 102 and a base right jack 205 corresponding to the cover right jack 103. As shown in fig. 12-15, the cover plate 1 of the tripolar socket is provided with a cover plate middle jack 104, a cover plate left jack 102 and a cover plate right jack 103, wherein the cover plate middle jack 104 is positioned at the rear row as shown in the drawing, and the cover plate left jack 102 and the cover plate right jack 103 are symmetrically arranged at two sides of the front row of the cover plate middle jack 104; in the latter half of the cover 1 where the jack 104 is located, the base 2 has no corresponding portion, and the base 2 has only the base left jack 204 corresponding to the cover left jack 102 and the base right jack 205 corresponding to the cover right jack 103.

As shown in fig. 8, 11, 19 and 22, the first protection door 3 includes a first pushing portion 31 and a first shielding portion 32 corresponding to the left jack 204 of the base 2, the second protection door 4 includes a second pushing portion 41 and a second shielding portion 42 corresponding to the right jack 205 of the base 2, the first pushing portion 31 of the first protection door 3 is stacked on the second shielding portion 42 and is elastically connected with the second pushing portion 41 through the elastic member, the elastic member is preferably a spring 5, the second pushing portion 41 of the second protection door 4 is stacked on the first shielding portion 32, the first pushing portion 31 is provided with a first spring fixing post 304 on a side opposite to the second pushing portion 41, the other side is provided with a first pushing inclined surface 305, the second pushing portion 41 is provided with a second spring fixing post 404 on a side opposite to the first pushing portion 31, and the other side is provided with a second pushing inclined surface 405. As shown in fig. 5 to 7 or fig. 16 to 18, when the assembled first and second protective doors 3 and 4 are inserted by the single pole a, the first pushing inclined surface 305 on the touched first protective door 3 slides to one side due to the insertion force, and the second shielding portion 42 of the lower second protective door 4 is exposed, thereby blocking the continued insertion of the single pole a and achieving the effect of preventing the single pole insertion; when the monopole a is inserted, the second pushing inclined surface 405 of the touched second protection door 4 slides to one side by the insertion force, exposing the first shielding portion 32 of the first protection door 3 below, thereby blocking the monopole a from continuing to be inserted. The springs are always in a compressed state to give the protection doors an elastic force regardless of whether the two protection doors slide or are stationary. The existing spring assembly mode is limited in that only one protection door can be connected with the spring first, then the other protection door is connected, then the spring needs to be compressed and then placed in the base, and the spring needs to be guaranteed to be in a compressed state, so that when the spring possibly loosens instantly during installation, the acting force of the spring can spring the two protection doors, and repeated installation is needed. The spring fixing structure is an outwards-protruding spring fixing column, and the assembly mode can put two protection doors into the base first, then the springs are installed, so that the installation is simple and convenient, and the problem of repeated installation is avoided.

As shown in fig. 5-9, in the first embodiment of the socket protection door of the present utility model, the socket of the present embodiment is a two-pole socket, the first protection door 3 and the second protection door 4 are of a center-symmetrical structure that are spliced, the first pushing portion 31 and the first shielding portion 32 of the first protection door 3 are connected to the left and right ends on the front side surface of the rear side plate 33, and the second pushing portion 41 and the second shielding portion 42 of the second protection door 4 are connected to the left and right ends on the rear side surface of the front side plate 43; the first shielding part 32 and the second shielding part 42 are L-shaped blocks, the first pushing part 31 and the second pushing part 41 are triangular blocks, preferably right-angled triangular blocks, the vertical plane is convenient for the abutting of the spring 5, and the inclined plane of the right-angled triangular blocks corresponds to the insertion hole as a pushing inclined plane; of course, the structure of the triangle block is not required, and the upper part is only required to be provided with an inclined plane as a pushing inclined plane. The L-shaped shielding part is provided with a horizontal part which plays a role of shielding the jack and a vertical part which plays a role of installation and positioning.

As shown in fig. 10-11, in the second embodiment of the socket protection door of the present utility model, the socket of the present embodiment is a two-pole socket, the first protection door 3 is a square frame, the left side of the square frame is lower than the other side to form the first shielding part 32, the second protection door 4 has a convex frame 44, the right side frame of the large end of the convex frame 44 is the second shielding part 42, the small end of the convex frame 44 is limited between the front and rear sides of the first protection door 3, the left side frame of the small end of the convex frame 44 has the second pushing part 41 protruding upwards, and the front and rear side frames of the small end of the convex frame 44 have the upper protrusion 45 connected with the second pushing part 41.

As shown in fig. 16-20, in the third embodiment of the socket protection door of the present utility model, the socket of the present embodiment is a tripolar socket, the first protection door 3 and the second protection door 4 are two trapezoidal frames that are spliced together, the left side frame of the first protection door 3 is the first shielding portion 32, the first protection door 3 has a front side short side protrusion 34, the front side short side protrusion 34 and the first shielding portion 32 are arranged in a vertically staggered manner, so as to form a first stop step surface 303, and the right side of the first protection door 3 has the first pushing portion 31, which is vertically staggered with the first shielding portion 32 and is connected with the front side short side protrusion 34; the right side frame of the second protection door 4 is the second shielding portion 42, the second protection door 4 has a rear side long side protrusion 46, the rear side long side protrusion 46 and the second shielding portion 42 are vertically staggered to form a second stop step surface 403, and the left side of the second protection door 4 has the second pushing portion 41, is vertically staggered with the second shielding portion 42, and is connected with the rear side long side protrusion 46.

As shown in fig. 21-22, in the fourth embodiment of the socket protection door of the present utility model, the socket of the present embodiment is a three-pole socket, the first protection door 3 and the second protection door 4 are two embedded trapezoid frames, the left side of the first protection door 3 is lower than the other side, so as to form the first shielding portion 32, the right side frame of the first protection door 3 is the first pushing portion 31, the left half protruding portion of the second protection door 4 is limited between the front side and the rear side of the first protection door 3, the left side frame of the left half protruding portion is the second pushing portion 41, the right side frame of the second protection door 4 is the second shielding portion 42, the second pushing portion 41 extends between the front side and the rear side of the first protection door 3, and is stacked above the first shielding portion 32, and the second shielding portion 42 extends below the first pushing portion 31.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings or an orientation or a positional relationship conventionally put in use, and are merely for convenience of description, and do not indicate that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating relative importance.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims (11)

1. Socket protection door structure, including apron (1), protection door and base (2), apron (1) and base (2) lid are closed and are formed protection door chamber (200) that are used for installing the protection door, the protection door includes first protection door (3) and second protection door (4), be equipped with the elastic component between first protection door (3) and second protection door (4), install in base (2) with second protection door (4) sliding about first protection door (3), its characterized in that: the friction surface of the first protection door (3) is provided with a first protruding sliding structure, and the friction surface of the second protection door (4) is provided with a second protruding sliding structure.

2. The socket protection door structure according to claim 1, wherein: the first protection door (3) and the second protection door (4) are provided with opposite gaps on the front side and the rear side, the first protection door (3) and the second protection door (4) are spliced and then limited between the front side and the rear side of the base (2), the first sliding structure comprises a first sliding protrusion (301) arranged on the opposite sides of the gaps of the first protection door (3) and in sliding fit with one side of the base (2), and the second sliding structure comprises a second sliding protrusion (401) arranged on the opposite sides of the gaps of the second protection door (4) and in sliding fit with the other side of the base (2).

3. The socket protection door structure according to claim 1, wherein: the second protection door (4) is limited between the front side and the rear side of the first protection door (3), the second sliding structure comprises a second sliding protrusion (401) which is arranged on the front side and the rear side of the second protection door (4) and corresponds to the front side and the rear side inner wall sliding fit of the first protection door (3), the first protection door (3) is limited between the front side and the rear side of the base (2), and the first sliding structure comprises a first sliding protrusion (301) which is arranged on the front side and the rear side outer wall of the first protection door (3) and corresponds to the front side and the rear side inner wall sliding fit of the base (2).

4. The socket protection door structure according to claim 1, wherein: the first sliding structure comprises a third sliding protrusion (302) which is arranged on the top end of the first protection door (3) and is in sliding fit with the cover plate (1); and/or the second sliding structure comprises a fourth sliding protrusion (402) which is arranged on the top end of the second protection door (4) and is in sliding fit with the cover plate (1).

5. The socket protection door structure according to claim 1, wherein: a raised slideway (201) is arranged in the protective door cavity (200) of the base (2) and is in sliding fit with the bottom surfaces of the first protective door (3) and the second protective door (4); the first protection door (3) is provided with a fifth sliding protrusion (306) on the friction level with the second protection door (4), and/or the second protection door (4) is provided with a sixth sliding protrusion (406) on the friction level with the first protection door (3).

6. The socket protection door structure according to claim 5, wherein: a first stop block (202) and a second stop block (203) are arranged on the slideway (201), and a first stop step surface (303) matched with the first stop block (202) is arranged on the bottom surface of the first protection door (3) and used for limiting the sliding stroke of the first protection door (3); a second stop step surface (403) matched with the second stop block (203) is arranged on the bottom surface of the second protection door (4) and used for limiting the sliding stroke of the second protection door (4).

7. The socket protection door structure according to claim 1, wherein: the first protection door (3) comprises a first pushing part (31), a first shielding part (32) corresponding to a base left jack (204) of the base (2), the second protection door (4) comprises a second pushing part (41), a second shielding part (42) corresponding to a base right jack (205) of the base (2), the first pushing part (31) of the first protection door (3) is overlapped on the second shielding part (42) and is elastically connected with the second pushing part (41) through an elastic piece, the elastic piece is a spring (5), the second pushing part (41) of the second protection door (4) is overlapped on the first shielding part (32), the first pushing part (31) is provided with a first spring fixing column (304) on the side opposite to the second pushing part (41), the other side is provided with a first pushing inclined plane (305), the second pushing part (41) is provided with a second spring fixing column (404) on the side opposite to the first pushing part (31), and the other side is provided with a second inclined plane (405).

8. The socket protection door structure according to claim 7, wherein: the socket is a two-pole socket, the first protection door (3) and the second protection door (4) are of spliced central symmetry structures, a first pushing part (31) and a first shielding part (32) of the first protection door (3) are connected to left and right ends on the front side surface of the rear side plate (33), and a second pushing part (41) and a second shielding part (42) of the second protection door (4) are connected to left and right ends on the rear side surface of the front side plate (43); the first shielding part (32) and the second shielding part (42) are L-shaped blocks, and the first pushing part (31) and the second pushing part (41) are triangular blocks.

9. The socket protection door structure according to claim 7, wherein: the socket is two-pole socket, first protection door (3) are square frame, the left side height of square frame is higher than other side highly forms first shielding part (32), second protection door (4) have protruding font frame (44), the big end right side frame of protruding font frame (44) is second shielding part (42), the tip of protruding font frame (44) is spacing between the front and back sides of first protection door (3), the tip left side frame of protruding font frame (44) has upwards bellied second pushing part (41), the tip front and back side frame of protruding font frame (44) has upper protrusion (45), meets with second pushing part (41).

10. The socket protection door structure according to claim 7, wherein: the socket is a tripolar socket, the first protection door (3) and the second protection door (4) are two trapezoidal frames spliced with each other, the left side frame of the first protection door (3) is the first shielding part (32), the first protection door (3) is provided with a front short side bulge (34), the front short side bulge (34) and the first shielding part (32) are arranged in a vertically staggered mode to form a first stop step surface (303), and the right side of the first protection door (3) is provided with the first pushing part (31), is vertically staggered with the first shielding part (32) and is connected with the front short side bulge (34);

the right side frame of second protection door (4) is second shielding part (42), second protection door (4) have rear side long limit arch (46), rear side long limit arch (46) dislocation set about with second shielding part (42), form second backstop step face (403), the left side of second protection door (4) has second pushing part (41), dislocation from top to bottom with second shielding part (42) to meet with rear side long limit arch (46).

11. The socket protection door structure according to claim 7, wherein: the socket is a tripolar socket, first protection door (3) and second protection door (4) are two trapezoidal frames of embedding mutually, the left side height of first protection door (3) is less than other side heights, forms first shielding part (32), the right side frame of first protection door (3) is first promotion portion (31), the half protruding part limit in left side of second protection door (4) is located between the front and back sides of first protection door (3), the half protruding part's in left side frame in left side is second promotion portion (41).