CN219534946U - Protective door assembly with isolation structure - Google Patents

Abstract

The utility model belongs to the socket protection door technology, and discloses a protection door component with an isolation structure, which is used as a part of a socket or is arranged on the socket to shield a socket of the socket, and comprises a shell, wherein at least two bins separated by a baffle are arranged in the shell, and each bin is provided with a channel for an external conductor to pass through and enter the socket to be conducted; the protection door structure for blocking the passage is arranged in the shell and comprises a plurality of parts in all bins, and all parts of the protection door structure penetrate through the blocking piece to be connected and linked or all parts of the protection door structure are connected with the blocking piece and linked through the blocking piece.

Description

Protective door assembly with isolation structure

Technical Field

The utility model belongs to the technical field of socket protection doors, and particularly relates to a protection door assembly with an isolation structure.

Background

The socket is also called as a power socket and a switch socket. A socket refers to a receptacle into which one or more circuit wires may be inserted, through which various wires may be inserted. This facilitates the connection to other circuits. The connection and disconnection of the circuit part is achieved through the connection and disconnection between the circuit and the copper part.

The socket is divided into various types by its installation and use modes, such as a row of plugs, a ground plug, a wall plug, etc., and has a structure including a housing, a jack, an internal metal conductor, and a connection structure for connecting external lines, regardless of the various types. The jack on the socket has special adaptation requirements for the form of the jack according to the pin type of the connector. However, no matter what type of connector is, the existing socket jack is of an open structural design, and the opening size is slightly larger than the inserted pins, and the plug is limited and clamped through an internal structure.

The socket is generally provided with a protective door/safety door structure inside the jack for forming a barrier inside the jack opening, so as to avoid safety accidents caused by the fact that an independent conductor is erroneously inserted into a position where a zero line/a fire wire is located. The existing protection door structure is usually a linkage structure, namely, two jacks of a zero line/a fire line share an integrated protection door structure. The protective door structure has two movement modes, namely when a normal plug is inserted into the jack, the pins of the protective door structure simultaneously act on the protective door structure to push the protective door structure to move towards one direction so as to avoid a space, and at the moment, the pins can be smoothly inserted into the socket to be connected with the conductor; the other movement mode is that the protection mechanism locking limit triggering the protection door structure can not avoid when a single conductor is inserted, so that the protection effect is achieved.

In some sockets with waterproof requirements, besides the sealing structure which is arranged independently, two spaces where the zero line and the live line are located are required to be separated independently, namely, direct liquid conduction short circuit can be avoided after the sealing structure is broken through from the jack and liquid in the socket is introduced. However, since the protection door structure is usually designed as an integral structure, the protection door structure cannot be applied to the structural design of the independent space, and then the protection door structure needs to be optimized and adapted.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the protection door assembly with the isolation structure, which is used as a part of an independent structure or a socket, can form at least two independent cabins at the jack, ensures the linkage of the protection door structure through structure optimization in the jack, and can maintain the sealing effect between the cabins.

The technical scheme adopted by the utility model is as follows:

in a first aspect, the present utility model provides a protective door assembly having an isolation structure for shielding a socket of a socket as part of or on the socket, comprising a housing having at least two compartments therein separated by a barrier disposed therein, each compartment having a passage for an external conductor to pass through and into the socket for conduction;

the protection door structure for blocking the passage is arranged in the shell and comprises a plurality of parts in all bins, and all parts of the protection door structure penetrate through the blocking piece to be connected and linked or all parts of the protection door structure are connected with the blocking piece and linked through the blocking piece.

It should be noted that the protection door assembly may be disposed in/out of the socket as an independent structure, or specifically refers to an area of the socket where the inner portion of the socket performs a corresponding function, and the housing refers to a structure having a separation effect between the portion and other non-separated portions, and performs fixing and limiting of the inner components of the protection door assembly.

The shell is internally provided with a certain space, the space is divided into a plurality of independent bins through the baffle piece, the channel means that each bin is provided with a channel for a conductor to pass through, and the channels of different bins are independent, so that the problem of short circuit of the conductors in different bins due to the entering conductive medium can be avoided.

The linkage means that the parts of the protection door structure in different bins can transmit force to all parts of the protection door structure under the action of external force, so that the motion trend is formed by combining the connection state of the internal structure of the shell and the protection door structure, and the corresponding function of the original protection door structure can be realized on the premise of forming at least two relatively closed bins by combining the conventional design of the existing protection door structure.

With reference to the first aspect, the present utility model provides a first implementation manner of the first aspect, where the blocking member has a deformation portion, and the deformation portion is connected to the protection door structure through the deformation portion, and the deformation portion has a reset movement tendency when the external conductor pushes the protection door structure to displace to drive the deformation portion to form.

It should be noted that the movement trend of resetting means that the protection door structure is in a limiting connection state in the housing, that is, the protection door structure is elastically connected with the housing through the deformation part of the blocking member, and the protection door structure can be subjected to the tensile force of the blocking member no matter what movement direction is generated after the protection door structure is subjected to an external force, so that the existing elastic member or magnetic member is replaced by the blocking member. The protection door structure has two movement positions, namely, the protection door structure shields or does not shield the channel, the protection door structure can move to one side to avoid the channel for the pin to pass through from the channel if the protection door structure is pushed by the plug, and the protection door structure is locked with the shell in a blocking state of the channel if only the part of the protection door structure in the single-side bin is pushed or does not receive external force.

With reference to the first embodiment of the first aspect, the present utility model provides a second embodiment of the first aspect, wherein the blocking member has an annular fixing portion, and the fixing portion is connected with the inner wall of the housing to isolate the bin.

With reference to the second embodiment of the first aspect, the present utility model provides a third embodiment of the first aspect, wherein a mounting groove is formed on the inner wall of the housing, and the edge of the fixing portion is inserted into the mounting groove to be connected.

With reference to the second embodiment of the first aspect, the present utility model provides a fourth embodiment of the first aspect, where the blocking member is an integral structure formed by extending and folding the inner wall of the housing towards the inner space in a protruding manner, and the integral structure is used for annularly wrapping the protection door structure.

With reference to the second embodiment of the first aspect, the present utility model provides a fifth embodiment of the first aspect, wherein the housing has at least one ring slit, and the housing is divided into sub-portions with independent bins by the ring slit;

the baffle piece is an elastic baffle plate, the sub-parts are correspondingly attached to the surface of the fixed part of the elastic baffle plate to form a shell, and the parts of the protection door structure are attached to the side surface of the elastic baffle plate in the shell or penetrate through the elastic baffle plate to be connected.

With reference to the first aspect, the present utility model provides a sixth implementation manner of the first aspect, the blocking member is a structure movably connected to an inner wall of the housing, and the protection door structure is fixedly connected to the blocking member and moves along with the blocking member.

With reference to the first aspect or the several embodiments of the first aspect, the present utility model provides a seventh implementation manner of the first aspect, the housing includes a cover and a box body that are fastened to each other and are connected in a sealing manner, and the protection door structure is disposed in the box body.

With reference to the first aspect or the several embodiments of the first aspect, the present utility model provides an eighth implementation manner of the first aspect, the inner wall of the housing has protruding ribs, and the protection door structure is forced to pry in the housing by the protruding ribs against a forming fulcrum;

the single channel is provided with two openings of a jack and a bottom hole on the shell, and the part of the protection door structure corresponding to any channel is provided with at least one clamping block which is matched with the jack or the bottom hole to be pried and clamped and limited.

With reference to the first aspect or the several embodiments of the first aspect, the present utility model provides a ninth embodiment of the first aspect, wherein the housing has an elastic member or a magnetic member therein for providing a restoring force to the protection door structure.

The beneficial effects of the utility model are as follows:

(1) According to the utility model, through optimizing the structure in the shell and matching the baffle piece with the protection door structure, the interior of the shell is separated into independent bins, namely, the separation of zero line/fire line is satisfied, and meanwhile, the linkage of the protection door structure can be realized on the premise of ensuring the sealing effect;

(2) According to the utility model, the connection of the baffle piece and the protective door assembly and the linkage mode of the protective door assembly are optimized, so that the two technical effects are realized under the original volume of the original protective door assembly, and the material is saved and the cost is reduced.

Drawings

FIG. 1 is an isometric view of a shutter assembly adapted to a dual-plug receptacle in a closed state in accordance with an embodiment of the present utility model;

FIG. 2 is a top view of a shutter assembly adapted to double-plug receptacles in a closed position in accordance with an embodiment of the utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model taken along section line A-A of FIG. 2;

FIG. 4 is a top view of a shutter assembly adapted to double-plug receptacles in an open state in accordance with an embodiment of the utility model;

FIG. 5 is a schematic cross-sectional view of the present utility model taken along section line B-B of FIG. 4;

FIG. 6 is an exploded view of a three-pin fitted protective door assembly in accordance with an embodiment of the present utility model;

FIG. 7 is an isometric view of a two-pin fitted protective door structure in an embodiment of the utility model;

FIG. 8 is a top view of a two-prong fitting protective door structure in an embodiment of the present utility model;

FIG. 9 is a schematic cross-sectional view of the present utility model taken along section line C-C in FIG. 8;

FIG. 10 is an exploded view of a door assembly according to an embodiment of the present utility model adapted for two-way insertion and employing an alternative door construction;

FIG. 11 is a top view of another protective door structure adapted for two-way insertion in an embodiment of the present utility model;

FIG. 12 is a schematic cross-sectional view of the present utility model taken along section line D-D in FIG. 11;

FIG. 13 is an exploded view of a protective door assembly adapted for two-way insertion and employing a spring as a rebound structure in an embodiment of the present utility model;

fig. 14 is a schematic cross-sectional view of the protective door assembly of fig. 13 in an assembled state according to the present utility model.

In the figure: the device comprises a 1-face cover, a 2-box body, a 3-elastic baffle, a 4-jack, a 5-protection door structure, a 6-baffle, a 7-bottom hole, an 8-upper clamping block, a 9-lower clamping block, a 10-through hole, an 11-guiding inclined plane, a 12-communication hole and a 13-spring.

Detailed Description

The utility model is further illustrated by the following description of specific embodiments in conjunction with the accompanying drawings.

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which a product of the application is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

Furthermore, the terms "horizontal," "vertical," and the like in the description of the present utility model, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

the present embodiment discloses a protection door assembly with an isolation structure, which serves as a part of a socket to shield the socket jack 4.

It should be noted that the existing socket protection door assembly as a conventional design includes a space and a movable member in the space, wherein the movable member is the protection door structure 5, two or three channels are provided in the space for the two or three-plug socket, and the channels are used for the external conductor to pass through and contact with the conductor in the socket.

The protection door structure 5 has integrity in space, that is, the structure adopts an integral or split structural design, and is in an integral linkage mode, thereby having the effects of force transmission and motion transmission. Meanwhile, the existing protective door structure 5 has various external designs, and only a portion blocking the passage needs to be provided inside the housing.

Meanwhile, since the protection door structure 5 has integrity, after the protection door structure 5 is stressed and moved, the generated avoiding space is an empty part formed by the way of opening holes or bending and the like of the protection door structure 5, and after the protection door structure is stressed and moved, the empty part formed by opening holes or bending is just positioned at a channel, so that the avoiding effect is achieved.

The protection gate structure 5 in this embodiment adopts a conventional design, that is, the through hole 10 having a plurality of corresponding channels is provided, when the conductor is inserted from the corresponding channel, if the normal trigger causes the displacement of the protection gate structure 5, the through hole 10 will enter the corresponding channel to form a communication state. In order to facilitate the movement, the through holes 10 are respectively provided with a guide inclined plane 11, and the vertically inserted conductor end parts generate component force in the horizontal direction when contacting the guide inclined plane 11, so that the protection door structure 5 is displaced to generate avoidance space.

An elastic or magnetic body is also arranged in the shell to provide a restoring force for the protective door structure 5, so that the protective door structure can keep the effect of shielding the channel under the action of no external force. The shell is provided with a limiting structure in the horizontal direction through structural design, and the protective door structure 5 is limited to be driven by an elastic body or a magnetic body to transition displacement so as to influence the shielding effect.

The protection door assembly of the embodiment optimizes and improves the structure of the protection door assembly on the basis of the prior art, and realizes the sealing function on the premise of keeping the original function of the protection door structure 5.

Specifically, including casing and the protection door structure 5 that sets up in the casing, still have a fender 6 in the casing, separate into two at least bins with the space of casing inside through fender 6, every bin has a passageway, and every passageway all has a plurality of openings for the outer conductor to pass on the casing. The protection door structure 5 comprises a plurality of parts in different bins, all parts of the protection door structure 5 are connected through the baffle 6, and the parts of the protection door structure 5 are in linkage relation.

Further, the shell is of a full-surrounding structure and is adapted to two or three plug sockets, the three plug sockets only protect two jacks 4 which are connected with the zero line and the fire line, and the related linkage structure is arranged at the ground wire to be matched with the protection door structure 5 to realize pushing, or the blocking protection door structure 5 is only arranged at the zero line and the fire line to be stressed and movable.

The shell is internally provided with a rectangular-like space, a baffle 6 is arranged at the center line, the baffle 6 is provided with an annular outer edge, and the annular outer edge is attached to the inner wall of the shell to divide the rectangular-like space into two bins. In this embodiment, each bin has two openings, and the connection line of the openings is a channel.

Two corresponding two open-ended tip of protection door structure 5 are provided with one or two fixture blocks respectively, and the opposite side perk after the unilateral atress downward movement of protection door structure 5, the fixture block that atress side whereabouts forms the restriction on the horizontal direction on the open border that corresponds one side with the fixture block combined action card that the opposite side perk this moment, even the direction inclined plane 11 atress of unilateral protection door structure 5 produces the thrust of horizontal direction this moment, also can realize the locking location through the joint cooperation of fixture block and open border.

Further, the stopper 6 includes a fixing portion and a deformation portion, and includes a mode of integrally using an elastic material and a mode of partly using an integral structure made of an elastic material, and the fixing portion is only designated as an annular region connected with the inner wall of the housing. The deformation part can deform under the stress state through the soft elastic material adopted by the deformation part, and the restoring force for restoring the original position is generated. The protection door structure 5 has two parts, which are respectively arranged at two sides of the baffle 6 and connected with the baffle 6, when being stressed, the baffle 6 is driven to partially displace, and the deformation part of the baffle 6 realizes the relative displacement between the connection part of the protection door structure 5 and the fixing part connected with the shell through stretching deformation.

Wherein the baffle 6 is a plate or block structure with uniform thickness, the protection door structure 5 can be supported by the baffle 6 through connection with the baffle 6, or a protruding structure which is in partial contact with the protection door structure 5 is arranged in the shell for supporting, or the protection door structure 5 is supported together with the baffle 6.

The contact part of the protection door structure 5 and the blocking piece 6 can be directly set to be integrally deformed by the deformation part, or the contact part is of a hard structure, and the fixing part is of a hard structure, and annular deformation parts are only arranged around the winding contact part, so that the same technical effect is realized. The protection door structure 5 is connected to form an integral linkage structure by penetrating through the baffle 6, or is connected to the baffle 6 respectively and forms a linkage structure through the baffle 6.

In some embodiments, the stop 6 is made up of three parts, namely a first intermediate fixing element, a resilient ring arranged around the first fixing element and a second fixing element fixed to the inner wall of the housing. The first fixing piece and the second fixing piece are respectively provided with an annular clamping groove, the elastic ring is clamped between the annular clamping grooves, and the elastic ring is made of rubber or silica gel materials and has good extensibility. The first fixing members form a protruding connecting member, such as a stud or a hook, into the bins at both sides, and the protective door structure 5 is divided into two independent parts and has a connecting structure adapted to the connecting member, which is directly mounted on the first fixing member of the blocking member 6. Meanwhile, ribs protruding from the inner bottom of the shell support the protective door structure 5, and as the first fixing piece is of a hard structure, the first fixing piece can be detachably connected with the protective door structures 5 on two sides to form a fixed integrated linkage structure, namely one side is stressed integrally and simultaneously, if one side is stressed, only one side falls down and one side is tilted due to the influence of the ribs, and the effective space cannot be avoided by the limit structure arranged in a matched manner, so that a conductor inserted on one side cannot enter the socket through a channel; the conductors on the two sides can smoothly enter the socket to be connected with the zero line/fire wire at the moment.

In some embodiments, the blocking member 6 is a structure that slides in the housing, specifically, a plurality of sliding grooves are provided in the housing, and the blocking member 6 is a hard structure as a whole and has a sliding block that extends into the sliding grooves. The edge of the baffle 6 is contacted with the inner wall of the shell, and a sealing element is arranged at the gap of the baffle for sealing. The middle part of the baffle 6 is provided with a rotatable rod, two ends of the baffle 6 are respectively provided with a connecting end, and the two ends of the baffle are respectively connected with the two parts of the protection door structure 5, so that the protection door structure 5 is rotationally connected with the baffle 6, the baffle can be tilted and locked to limit when the protection door structure 5 is stressed on one side, and simultaneously, the baffle 6 can be pushed to slide to one side to avoid a channel for a conductor to pass through by the stress on two sides.

In some embodiments, as shown in fig. 1-12, another implementation of the baffle 6 and housing is shown.

Wherein the housing has an annular cutout in the vertical mid-line, divided into two sub-portions. The two parts are symmetrically arranged on the outer surfaces, the top of each sub-part is provided with a jack 4, the bottom of each sub-part is provided with a bottom hole 7, and the jacks 4 and the bottom holes 7 are vertically aligned and form a penetrating channel with the inner space.

The annular notch in the middle of the shell is provided with an integrated elastic baffle plate 3 as a baffle member 6, the elastic baffle plate 3 is of a plate body structure, the annular edge of the elastic baffle plate is exposed out of the shell, and the shell and the baffle member 6 form an integrated structure together in a viscose mode and the like.

In fig. 1-5, a shutter assembly adapted to a two-prong socket is shown, while fig. 6 and 7 illustrate a shutter assembly adapted to a three-prong socket. The scheme principle of adapting to the two-plug and three-plug sockets is similar, and the adaptation adjustment is only carried out for adapting to the relative positions of the pins of the three-plug and the two-plug sockets.

As can be seen from fig. 3, in the unstressed state, the elastic partition 3 is in the middle of the housing and fills the gap between the two chambers so that objects entering the chambers from one side cannot contact with objects in the chambers on the other side, thereby preventing the entering liquid from connecting the conductors in the two chambers to form a short circuit condition.

Two raised stoppers are arranged on the inner wall of the shell, and the stoppers are respectively contacted with the protection door structures 5 in different bins to limit the movement of the protection door structures to the right side in the drawing, and a space is arranged on the left side, so that the protection door structures 5 can move to the left side in the drawing after being stressed, and the through holes 10 on the protection door structures 5 are aligned and communicated with the corresponding channels.

In fig. 5, it can be seen that the elastic partition 3 made of a homogeneous elastic material is stretched in the upper and lower suspended areas in a stressed state. Because there is certain clearance between guard gate structure 5 and the casing from top to bottom, lower part clearance is held up by bellied rib and is formed "teeterboard" state, and the clearance that forms can avoid forming great shear stress to the elastic diaphragm 3 and cause the damage of elastic diaphragm 3.

As can be seen in fig. 10-12, the protection door structure 5 is of an integral structure, a communication hole 1210 is formed in the middle of the elastic partition plate 3, the middle part of the protection door structure 5 passes through the communication hole 1210, and the elastic partition plate 3 is of a structure sleeved in an annular mounting groove in the middle part of the protection door. And the two sides of the protection door structure 5 are respectively provided with an upper clamping block 8 and a lower clamping block 9, and a better unilateral stress locking limiting effect is formed through the upper clamping block 8 and the lower clamping block 9 together.

As can be seen in fig. 6-9, the protective door structure 5 is in two parts, one attached to each side of the elastomeric barrier 3.

Further, as shown in fig. 13 and 14, in order to enhance the return effect of the protective door structure 5, a spring 13 is provided at a left free position inside the housing, and a thrust force to the right side is always provided to the protective door structure 5 by the spring 13.

Further, the shell is formed by mutually buckling a face cover 1 and a box body 2, and a sealing ring structure is arranged at a gap for sealing.

The utility model is not limited to the alternative embodiments described above, but any person may derive other various forms of products in the light of the present utility model. The above detailed description should not be construed as limiting the scope of the utility model, which is defined in the claims and the description may be used to interpret the claims.

Claims (10)

1. The protection door component with the isolation structure is used as a part of the socket or is arranged on the socket to shield the socket of the socket, and is characterized in that: the socket comprises a shell, wherein at least two cabins are arranged in the shell and separated by a baffle, and each cabin is provided with a channel for an external conductor to pass through and enter the socket to be conducted;

the protection door structure (5) for blocking the passage is arranged in the shell, the protection door structure (5) comprises a plurality of parts in all bins, and all parts of the protection door structure (5) penetrate through the blocking piece to be connected and linked or all parts are connected with the blocking piece to be linked through the blocking piece.

2. The protective door assembly with isolation structure of claim 1, wherein: the baffle piece is provided with a deformation part, the deformation part is connected with the protection door structure (5), and the deformation part has a reset movement trend when the outer conductor pushes the protection door structure (5) to displace to drive the deformation part to form.

3. The protective door assembly with isolation structure of claim 2, wherein: the baffle piece is provided with an annular fixing part, and the bin is isolated by being connected with the inner wall of the shell through the fixing part.

4. A protective door assembly having an isolation structure according to claim 3, wherein: the inner wall of the shell is provided with a mounting groove, and the edge of the fixing part is inserted into the mounting groove to be connected.

5. A protective door assembly having an isolation structure according to claim 3, wherein: the baffle piece is an integral structure which is formed by extending and folding the inner wall of the shell towards the bulge of the inner space and annularly wraps the protection door structure (5).

6. A protective door assembly having an isolation structure according to claim 3, wherein: the shell is provided with at least one annular notch, and the shell is divided into sub-parts with independent bins by the annular notch;

the baffle piece is an elastic baffle plate (3), the sub-parts are correspondingly attached to the surface of the fixed part of the elastic baffle plate (3) to form a shell, and a plurality of parts of the protection door structure (5) are attached to the side surface of the elastic baffle plate (3) in the shell or penetrate through the elastic baffle plate (3) to be connected.

7. The protective door assembly with isolation structure of claim 1, wherein: the blocking piece is of a structure movably connected with the inner wall of the shell, and the protection door structure (5) is fixedly connected with the blocking piece and moves along with the blocking piece.

8. The protective door assembly with isolation structure of any of claims 1-7, wherein: the shell comprises a face cover (1) and a box body (2) which are buckled with each other and are in sealing connection, and the protection door structure (5) is arranged in the box body (2).

9. The protective door assembly with isolation structure of any of claims 1-7, wherein: the inner wall of the shell is provided with raised ribs, and the protection door structure (5) is propped against the raised ribs to form a fulcrum to be stressed and pried in the shell;

the single channel is provided with two openings of a jack (4) and a bottom hole (7) on the shell, and the part of the protection door structure (5) corresponding to any channel is provided with at least one clamping block which is matched with the jack (4) or the bottom hole (7) to pry and clamp the limit.

10. The protective door assembly with isolation structure of any of claims 1-7, wherein: the housing has an elastic or magnetic element therein for providing a restoring force to the protective door structure (5).