CN209786261U - shutter structure and five hole sockets of five hole sockets - Google Patents

Abstract

the utility model belongs to the technical field of electrical equipment structure, especially, relate to a shutter structure and five hole sockets of five hole sockets, wherein, the shutter structure of five hole sockets includes: the base is provided with a frame body, the frame body comprises an upper frame body and a lower frame body, a region of the base corresponding to the upper frame body is provided with a two-pole jack, and a region of the base corresponding to the lower frame body is provided with a three-pole jack; the diode protection door comprises two first driving inclined planes, and a first through hole is formed between the two first driving inclined planes; the tripolar protective door comprises two second driving inclined planes, and a second through hole is formed between the two second driving inclined planes; and the elastic piece is propped between the two-pole protective door and the three-pole protective door. The utility model provides a shutter structure of five hole sockets, overall structure is simple, uses the part few, the cost of manufacture low, and the assembly is simple, convenient, and the shutter that corresponds during the use can play effectual guard action, and the security performance is high.

Description

Shutter structure and five hole sockets of five hole sockets

Technical Field

The utility model belongs to the technical field of electrical equipment structure, especially, relate to a shutter structure and five hole sockets of five hole sockets.

Background

According to the mandatory regulations of the state, equipment such as a new national standard extension socket or a socket and the like must be a safety product, namely, a safety protection door must be arranged on a jack on the equipment.

The safety protection door is made of an insulator material. When the plug is inserted, the safety protection door can be opened only by a little force; after the plug is pulled out, the safety protection door automatically resets under the action of the reset spring, the jack is protected, the outside is prevented from touching, and therefore the effect of preventing electric shock is achieved.

However, most of the safety protection doors of the equipment such as the extension socket or the socket on the market have the following problems:

1. two springs are generally adopted as reset elements in part of the safety protection door, so that the parts of the safety protection door are too small and too large, time, labor and force are wasted in the assembling process, errors are easy to occur, and the manufacturing cost is increased;

2. the structural design of part of the safety protection door is not good enough, when the two-pole (or three-pole) jack is inserted into the pin, the safety protection door of the three-pole (or two-pole) jack is in an open or semi-open state, the protection effect is not achieved, and certain danger exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shutter structure of five hole sockets aims at solving the technical problem that shutter structure is complicated, the security performance is lower of five hole sockets among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: a protective door structure of a five-hole socket; the method comprises the following steps:

the base is provided with a frame body, the frame body comprises an upper frame body and a lower frame body, a region of the base corresponding to the upper frame body is provided with a two-pole jack, and a region of the base corresponding to the lower frame body is provided with a three-pole jack;

The two-pole protective door is arranged in the upper frame body in a sliding mode and can move transversely in the upper frame body, the two-pole protective door comprises two first driving inclined planes, a first through hole is formed between the two first driving inclined planes, and the position of the first through hole corresponds to the ground wire jack of the three-pole jack;

The three-pole protective door is arranged in the lower frame body in a sliding mode and can move transversely in the lower frame body, the three-pole protective door comprises two second driving inclined planes, and a second through hole is formed between the two second driving inclined planes;

and the elastic piece is propped between the two-pole protective door and the three-pole protective door.

Furthermore, two adjacent side faces of the two-pole protective door and the three-pole protective door are respectively provided with a first abutting portion and a second abutting portion, and two ends of the spring are respectively connected with the first abutting portion and the second abutting portion.

Furthermore, the first abutting portion and the second abutting portion have the same structure, the first abutting portion comprises an extending portion connected to the outer side wall of the protective diode door and an inserting portion connected to the extending portion, and two ends of the elastic piece are sleeved on the inserting portions of the first abutting portion and the second abutting portion.

Furthermore, the whole two-pole protection door is of a square structure, and the two first driving inclined planes are respectively formed on the same side of the square structure; the lower part of the tripolar shutter is in the shape of an inverted isosceles trapezoid, and the two second driving inclined planes form two trapezoidal waists.

Further, the elastic piece is a spring, when a two-pole plug is inserted into the two-pole jack, the three-pole protection door is kept still, and the spring is changed into a second compression state from a first compression state; when a three-pole plug is inserted into the three-pole jack, the two-pole protection door is kept still, and the spring is changed from a first compression state to a third compression state; when the spring is in the first compression state, the two first driving inclined planes cover the two-pole jack, and the two second driving inclined planes cover the live wire jack and the zero wire jack of the three-pole jack; when the spring is in the second compression state, the two-pole jack is exposed out of the protective door, and the two second driving inclined planes cover the live wire jack and the zero wire jack of the three-pole jack of the base; when the spring is in the third compression state, the two-pole protection door covers the two-pole jack, and the live wire jack and the zero wire jack of the three-pole jack are exposed out of the three-pole protection door.

Further, the first driving inclined plane has an inclination direction opposite to that of the second driving inclined plane, and the two-pole protection door has a movement direction opposite to that of the three-pole protection door.

further, the outline enclosed by the upper frame body is matched with the outer outline of the two-pole protection door, and the outline enclosed by the lower frame body is matched with the outer outline of the three-pole protection door.

furthermore, a first guide positioning block is arranged in an area of the base corresponding to the first through hole, and the first guide positioning block is in sliding fit with the diode protection door so that the diode protection door keeps moving along the transverse direction when moving in the upper frame; and a second guide positioning block is arranged in the area of the base corresponding to the second through hole and is in sliding fit with the three-pole protective door, so that the three-pole protective door can move along the transverse direction when moving in the lower frame body.

Furthermore, a first protruding part is arranged in the middle of the bottom surface of the diode protection door, and the diode protection door can swing left and right around the first protruding part;

Two first limiting parts are arranged on the outer side edge of the bottom surface of the two-pole protection door, and two first limiting bosses matched with the two first limiting parts are arranged on the base;

after the two-pole protective door swings around the first protruding part to a preset position, the first limiting part on one side of the two-pole protective door is abutted against the corresponding first limiting boss so as to prevent the two-pole protective door from moving transversely;

A second bulge is arranged in the middle of the bottom surface of the three-pole protective door, and the three-pole protective door can swing left and right around the second bulge;

two second limiting parts are arranged on the outer side edge of the bottom surface of the three-pole protection door, and two second limiting bosses matched with the two second limiting parts are arranged on the base;

After the tripolar shutter swings to a preset position around the second bulge, the second limiting part on one side of the tripolar shutter abuts against the corresponding second limiting boss to prevent the tripolar shutter from moving transversely.

Another object of the present invention is to provide a five-hole socket, including the shutter structure of the above five-hole socket.

The utility model has the advantages that: the utility model discloses a shutter structure of five hole sockets, base are equipped with the dipolar shutter and the tripolar shutter that the components of a whole that can function independently set up, and the butt has a spring between two shutters, and when one in dipolar jack and the tripolar jack was used, another still was in and covers the state, and overall structure is simple, and the use part is few, the cost of manufacture is low, and the assembly is simple, convenient, and the shutter that corresponds during the use can play effectual guard action, and the security performance is high.

Drawings

in order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic perspective view of a protective door structure of a five-hole socket according to an embodiment of the present invention;

FIG. 2 is a schematic top view of the protective door structure of the five-hole socket shown in FIG. 1;

FIG. 3 is a schematic perspective view of the five-hole socket shown in FIG. 1 with the two-pole shutter open;

FIG. 4 is a schematic top view of the protective gate structure of the five-hole receptacle shown in FIG. 1 with the two-pole protective gate open;

FIG. 5 is a schematic perspective view of the protective door structure of the five-hole receptacle shown in FIG. 1, with the three-pole protective door opened;

FIG. 6 is a schematic top view of the protective door structure of the five-hole receptacle shown in FIG. 1, with the three-pole protective door open;

FIG. 7 is an exploded view of the shutter configuration of the five-hole receptacle of FIG. 1;

FIG. 8 is a schematic perspective view of a two-pole protection gate in the protection gate structure of the five-hole socket shown in FIG. 1;

FIG. 9 is a schematic diagram of a side view of a two-pole protection gate in the protection gate structure of the five-hole socket shown in FIG. 1;

FIG. 10 is a schematic perspective view of a three-pole shutter in the shutter configuration of the five-hole receptacle shown in FIG. 1;

Fig. 11 is a schematic side view of a three-pole shutter in the shutter structure of the five-hole receptacle shown in fig. 1.

wherein, in the figures, the respective reference numerals:

10-base 100-frame 110-upper frame

120-lower frame 130-two-pole jack 140-three-pole jack

141-ground wire jack 150-partition 161-first guiding and positioning block

162-second guiding and positioning block 170-first limiting boss 180-second limiting boss

200-dipolar protection gate 210-first driving inclined plane 220-first through hole

230-first abutting part 231-extending part 232-inserting part

233, clamping and fixing strip 240, first projection 250 and first limiting part

300-three-pole protective door 310-second driving inclined plane 320-second through hole

330-second contact part 340-second projection 350-second limiting part

400-spring.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

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

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

As shown in fig. 1-7, the embodiment of the present invention provides a shutter structure of a five-hole socket, including a base 10, a two-pole shutter 200, a three-pole shutter 300 and an elastic element. The base 10 is provided with a housing 100, the housing 100 includes an upper housing 110 and a lower housing 120, a two-pole jack 130 is formed in a region of the base 10 corresponding to the upper housing 110, and a three-pole jack 140 is formed in a region of the base 10 corresponding to the lower housing 120. The diode protection door 200 is slidably disposed in the upper frame 110 and can move laterally in the upper frame 110, the diode protection door 200 includes two first driving slopes 210, a first through hole 220 is disposed between the two first driving slopes 210, and the position of the first through hole 220 corresponds to the ground jack 141 of the three-pole jack 140; the three-pole protection door 300 is slidably disposed in the lower frame 120 and can move laterally in the lower frame 120, and the three-pole protection door 300 includes two second driving slopes 310, and a second through hole 320 is disposed between the two second driving slopes 310. The elastic component supports and holds between dipolar shutter 200 and tripolar shutter 300, when not inserting the plug, each live wire jack is sheltered respectively to two shutters, the zero line jack, when dipolar plug (tripolar plug) inserts, dipolar shutter 200 (tripolar shutter 300) are opened, and tripolar shutter (dipolar shutter 200) then keep hiding the state, overall structure is simple, the part that uses is few, low in manufacturing cost, assembly easy operation, convenience, and, only set up the safety when only one elastic component can guarantee the use.

The shutter structure of five hole sockets that this embodiment provided, base 10 are equipped with dipolar shutter 200 and tripolar shutter 300 that the components of a whole that can function independently set up, and the butt has an elastic component between two shutters, and when one in dipolar jack 130 and the tripolar jack 140 was used, another still was in and covers the state, and overall structure is simple, and the use part is few, the cost of manufacture is low, and the assembly is simple, convenient, and the shutter that corresponds during the use can play effectual guard action, and the security performance is high.

In an embodiment, as shown in fig. 1 and 7, the two adjacent side surfaces of the bipolar protection door 200 and the bipolar protection door 300 are respectively provided with a first abutting portion 230 and a second abutting portion 330, and two ends of the elastic element are respectively connected with the first abutting portion 230 and the second abutting portion 330.

Specifically, the second abutment portion 330 may adopt the same structure as the first abutment portion 230. As shown in fig. 7 and 8, the first abutting portion 230 includes an extending portion 231 connected to the outer sidewall of the protective diode door 200 and an inserting portion 232, and two ends of the elastic member are sleeved on the inserting portions of the first abutting portion and the second abutting portion; the extension 231 is perpendicular to the outer sidewall of the diode protection door 200, the insertion part 232 is vertically connected to the extension 231, and the insertion part 232 is horizontally disposed. In an embodiment, the elastic member is a spring 400, the insertion portion 232 is in a cylindrical shape, and a plurality of fastening strips 233 are arranged on the circumferential wall at intervals, one end of the spring 400 is sleeved on the insertion portion 232 and fastened to the insertion portion 232 by each fastening strip 233, one end of each fastening strip 233 is connected to the extending portion 231, and the other end of each fastening strip 233 is provided with a guide slope, so that the spring 400 is conveniently sleeved and fixed, and the length of each fastening strip 233 is smaller than that of the insertion portion 232. The axial center line of the mating part of the first contact part 230 coincides with the axial center line of the mating part of the second contact part 330, and the axial center lines of the mating parts on both sides are parallel to the axis of the spring 400.

In an embodiment, as shown in fig. 1 and fig. 2, the two-pole protective door 200 is a square structure, the two first driving slopes 210 are formed on the same side of the square structure, and the corners of the outer sidewall of the two-pole protective door 200 may have rounded corners. The lower portion of the three-pole protection door 300 is trapezoidal, two second driving inclined planes 310 form two sides of the trapezoid, and a longer side of the trapezoid has a notch, that is, one side of the longer side is not connected with the side; the upper and lower edges of the trapezoid can adopt a hollow structure.

in one embodiment, the elastic member is a spring 400, when the two-pole plug is inserted into the two-pole jack 130, the three-pole protection door 300 remains still, and the spring 400 changes from the first compression state to the second compression state; when the three-pole plug is inserted into the three-pole jack 140, the two-pole protection door 200 remains stationary and the spring 400 changes from the first compressed state to the third compressed state. As shown in fig. 1 and 2, when the spring 400 is in the first compression state, the two first driving slopes 210 cover the two-pole jack 130, and the two second driving slopes 310 cover the live and neutral jacks of the three-pole jack 140; as shown in fig. 3 and 4, when the spring 400 is in the second compressed state, the two-pole protective door 200 moves horizontally to the right to a predetermined position, the two-pole jack 130 is exposed out of the protective door, and the two second driving slopes 310 cover the live and neutral jacks of the three-pole jack 140 of the base 10; as shown in fig. 5 and 6, when the spring 400 is in the third compressed state, the two-pole protection door 200 covers the two-pole jack 130, the three-pole protection door 300 horizontally moves to the right to the predetermined position, and the live and neutral jacks of the three-pole jack 140 are exposed out of the three-pole protection door 300.

In one embodiment, as shown in fig. 1 to 6, the first driving inclined plane 210 is inclined downward to the left, the second driving inclined plane 310 is inclined downward to the right, when the two-pole plug contacts the first driving inclined plane 210, the two-pole protection door 200 moves to the right, and when the three-pole plug contacts the second driving inclined plane 310, the three-pole protection door 300 moves to the left; or the first driving ramp 210 is inclined downward to the right and the second driving ramp 310 is inclined downward to the left.

In one embodiment, the first driving ramp 210 is inclined in a direction opposite to that of the second driving ramp 310, and the two-pole protection door 200 is opened in a direction opposite to that of the three-pole protection door 300. That is, when the two-pole plug is inserted into the two-pole jack 130 or the three-pole plug is inserted into the three-pole jack 140, the sliding direction of the two-pole protection door 200 is opposite to the sliding direction of the three-pole protection door 300.

In one embodiment, the upper frame 110 is contoured to match the outer contour of the two-pole protection door 200, and the lower frame 120 is contoured to match the outer contour of the three-pole protection door 300. The outer side walls of the two protection doors are respectively contacted with the inner side walls of the corresponding frame body 100 in a sticking manner, and meanwhile, due to the jacking action of the springs 400, the protection doors are stable in the frame body 100 and are not easy to shake and shift, and the protection doors can conveniently slide in the transverse direction in the corresponding frame body 100 area.

As shown in fig. 1 and 2, a partition plate 150 may be further disposed between the upper frame 110 and the lower frame 120, and one end of the partition plate 150 may be opened with a notch, so that the first abutting portion 230 or the second abutting portion 330 may extend into the opposite area of the frame 100, as shown in fig. 1 and 2, the first abutting portion 230 of the two-pole protection door 200 may extend into the lower frame 120, and the three-pole protection door 300, the partition plate 150 and the bottom plate together form an accommodating groove adapted to the spring 400, so that the spring 400 is not easily twisted during the use process.

In an embodiment, a first guiding and positioning block 161 is disposed in a region of the base 10 corresponding to the first through hole 220, and the first guiding and positioning block 161 is slidably engaged with the diode protection door 200, so that the diode protection door 200 keeps moving in a transverse direction when moving in the upper frame 110; the base 10 is provided with a second guiding and positioning block 162 in a region corresponding to the second through hole 320, and the second guiding and positioning block 162 is slidably engaged with the three-pole protection door 300, so that the three-pole protection door 300 keeps moving in the transverse direction when moving in the lower frame 120.

as shown in fig. 1, 2 and 7, the height of the first guide positioning block 161 is greater than or equal to the height of the diode protection gate 200, and the length of the first guide positioning block 161 is less than the length of the diode protection gate 200; the second guiding and positioning block 162 may be integrally formed with the lower frame 120, that is, a portion of the lower frame 120 extends into the second through hole 320 and forms the second guiding and positioning block 162. The second guide positioning block 162 may have a hollow structure inside.

In one embodiment, as shown in fig. 7 to 11, a first protrusion 240 is disposed at a middle portion of a bottom surface of the diode protection door 200, and the diode protection door 200 can swing left and right around the first protrusion 240; two first limiting parts 250 are arranged on the outer side edge of the bottom surface of the two-pole protection door 200, and two first limiting bosses 170 matched with the two first limiting parts 250 are arranged on the base 10; after the diode protection gate 200 swings around the first protrusion 240 to a predetermined position, the first limiting portion 250 on one side of the diode protection gate 200 abuts against the corresponding first limiting boss 170, so that when the elongated conductor abuts against one of the first driving inclined planes 210, the diode protection gate 200 can be prevented from moving transversely, i.e. the elongated conductor cannot be inserted into the diode jack 130; the middle part of the bottom surface of the three-pole protection door 300 is provided with a second bulge 340, and the three-pole protection door 300 can swing left and right around the second bulge 340; two second limiting parts 350 are arranged on the outer side edge of the bottom surface of the three-pole protection door 300, and two second limiting bosses 180 matched with the two second limiting parts 350 are arranged on the base 10; three-pole protective door 300 swings to the predetermined position around second bulge 340 after, the spacing portion 350 of second and the spacing boss 180 counterbalance of second that corresponds of three-pole protective door 300 one side, when long and thin conducting object supports and holds one of them second drive inclined plane 310, can prevent three-pole protective door 300 lateral shifting, the live wire or the zero line jack that long and thin conducting object can not insert three-pole jack 140 promptly, so, wholly possess the monopole male function of preventing, the security performance is improved, can avoid children etc. effectively to point or other foreign matters to insert the condition emergence that leads to the electric shock in the jack, prevent the emergence of electric shock accident, the security performance is high.

Each of the first protrusion 240 and the second protrusion 340 may be a pillar shape having an arc shape, for example, the first protrusion 240 has a pillar shape having a semicircular longitudinal section.

The embodiment of the utility model provides a five hole sockets, including the shutter structure of the five hole sockets of above-mentioned embodiment. A face cover (not shown) may be covered on the top of the base 10, a space is provided between the face cover and the two protection doors, and through holes are respectively formed in positions of the face cover corresponding to the two-pole jack 130 and the three-pole jack 140, so that a plug can be inserted into the corresponding jacks. The protective door in the five-hole socket adopts a split structure, the safety of the product in use is ensured only by using one spring 400, the internal structure can be simplified, the use and manufacturing cost of components is reduced, and the assembly operation of the components is simple; each protective door is provided with the structure of preventing monopole male respectively, can avoid effectively that the condition that the handle fingers such as children or other foreign matters insert the jack and lead to electrocute takes place, and product security performance is high.

the above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a shutter structure of five hole sockets which characterized in that: the method comprises the following steps:

the base is provided with a frame body, the frame body comprises an upper frame body and a lower frame body, a region of the base corresponding to the upper frame body is provided with a two-pole jack, and a region of the base corresponding to the lower frame body is provided with a three-pole jack;

The two-pole protective door is arranged in the upper frame body in a sliding mode and can move transversely in the upper frame body, the two-pole protective door comprises two first driving inclined planes, a first through hole is formed between the two first driving inclined planes, and the position of the first through hole corresponds to the ground wire jack of the three-pole jack;

the three-pole protective door is arranged in the lower frame body in a sliding mode and can move transversely in the lower frame body, the three-pole protective door comprises two second driving inclined planes, and a second through hole is formed between the two second driving inclined planes;

And the elastic piece is propped between the two-pole protective door and the three-pole protective door.

2. The protective door structure for a five-hole outlet according to claim 1, wherein: two adjacent side faces of the two-pole protective door and the three-pole protective door are respectively provided with a first abutting part and a second abutting part, the elastic piece is a spring, and two ends of the spring are respectively connected with the first abutting part and the second abutting part.

3. The protective door structure for a five-hole outlet according to claim 2, wherein: the first abutting part and the second abutting part have the same structure, the first abutting part comprises an extension part connected to the outer side wall of the diode protection door and an inserting part connected to the extension part, and two ends of the elastic piece are sleeved on the inserting part of the first abutting part and the second abutting part.

4. The protective door structure for a five-hole outlet according to claim 1, wherein: the whole two-pole protective door is of a square structure, and the two first driving inclined planes are respectively formed on the same side of the square structure; the lower part of the three-pole protective door is trapezoidal, and the two second driving inclined planes form two sides of the trapezoid.

5. the protective door structure for a five-hole outlet according to claim 1, wherein: the elastic piece is a spring, when a two-pole plug is inserted into the two-pole jack, the three-pole protective door is kept still, and the spring is changed into a second compression state from a first compression state; when a three-pole plug is inserted into the three-pole jack, the two-pole protection door is kept still, and the spring is changed from a first compression state to a third compression state; when the spring is in the first compression state, the two first driving inclined planes cover the two-pole jack, and the two second driving inclined planes cover the live wire jack and the zero wire jack of the three-pole jack; when the spring is in the second compression state, the two-pole jack is exposed out of the protective door, and the two second driving inclined planes cover the live wire jack and the zero wire jack of the three-pole jack of the base; when the spring is in the third compression state, the two-pole protection door covers the two-pole jack, and the live wire jack and the zero wire jack of the three-pole jack are exposed out of the three-pole protection door.

6. the protective door structure for a five-hole outlet according to claim 1, wherein: the inclination direction of the first driving inclined plane is opposite to that of the second driving inclined plane, and the moving direction of the two-pole protection door is opposite to that of the three-pole protection door.

7. the protective door structure for a five-hole outlet according to claim 1, wherein: the outline enclosed by the upper frame body is matched with the outer outline of the two-pole protective door, and the outline enclosed by the lower frame body is matched with the outer outline of the three-pole protective door.

8. The protective door structure for a five-hole outlet according to claim 1, wherein: a first guide positioning block is arranged in the area, corresponding to the first through hole, of the base, and the first guide positioning block is in sliding fit with the diode protection door so that the diode protection door can keep moving along the transverse direction when moving in the upper frame body; and a second guide positioning block is arranged in the area of the base corresponding to the second through hole and is in sliding fit with the three-pole protective door, so that the three-pole protective door can move along the transverse direction when moving in the lower frame body.

9. the protective door structure for a five-hole outlet according to claim 1, wherein: a first protruding part is arranged in the middle of the bottom surface of the two-pole protective door, and the two-pole protective door can swing left and right around the first protruding part;

two first limiting parts are arranged on the outer side edge of the bottom surface of the two-pole protection door, and two first limiting bosses matched with the two first limiting parts are arranged on the base;

after the two-pole protective door swings around the first protruding part to a preset position, the first limiting part on one side of the two-pole protective door is abutted against the corresponding first limiting boss so as to prevent the two-pole protective door from moving transversely;

A second bulge is arranged in the middle of the bottom surface of the three-pole protective door, and the three-pole protective door can swing left and right around the second bulge;

Two second limiting parts are arranged on the outer side edge of the bottom surface of the three-pole protection door, and two second limiting bosses matched with the two second limiting parts are arranged on the base;

After the tripolar shutter swings to a preset position around the second bulge, the second limiting part on one side of the tripolar shutter abuts against the corresponding second limiting boss to prevent the tripolar shutter from moving transversely.

10. A five-hole socket, characterized in that: a protective door structure comprising a five-hole outlet according to any one of claims 1 to 9.