CN213425386U - Change-over plug with shutter - Google Patents
Change-over plug with shutter Download PDFInfo
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- CN213425386U CN213425386U CN202022876415.9U CN202022876415U CN213425386U CN 213425386 U CN213425386 U CN 213425386U CN 202022876415 U CN202022876415 U CN 202022876415U CN 213425386 U CN213425386 U CN 213425386U
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Abstract
The utility model discloses a conversion plug with a protective door, which comprises a front cover, a protective shell and a rear cover, wherein an inner framework is arranged in the rear cover, and the inner framework comprises a ground wire contact cavity, a zero line contact cavity and a live wire contact cavity; the ground wire contact cavity, the zero line contact cavity and the live wire contact cavity respectively extend to form a ground wire terminal, a zero line terminal and a live wire terminal; the inner frame is provided with shutter activity chamber and shutter, just the inner frame extends and is provided with spacing seat, the shutter is including isolated fender frame and spacer pin, the spacer pin with butt elastomeric element between the spacing seat, so that isolated fender frame activity is isolated zero line contact chamber and live wire contact chamber, isolated fender frame is gone up to follow elastomeric element's compression direction is provided with first direction sloping platform and second direction sloping platform. The utility model discloses structure steadiness and break-make protection reliability are strong, avoid appearing the circular telegram under the incomplete condition of contact, ensure normal power consumption and use safe and reliable.
Description
Technical Field
The utility model relates to a changeover plug technical field, concretely relates to changeover plug with shutter.
Background
The existing conversion plug is generally of a sleeved structure, namely, the conversion plug is formed by assembling a socket body and different plug parts, the structure of the conversion plug is complicated, the structure volume is large, the conversion plug is inconvenient to carry, and the normal use is influenced by the fact that the plug is very easy to be wetted in a connection position.
Therefore, how to improve the assembly reliability and the on-off protection reliability inside the conversion plug becomes a major technical problem.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model discloses a changeover plug with shutter.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
a conversion plug with a protection door comprises a front cover, a protection shell and a rear cover, wherein the front cover and the protection shell are assembled, the rear cover is detachably connected with the front cover and is arranged in the protection shell, an inner framework is arranged in the rear cover, the inner framework comprises a ground wire contact cavity, a zero wire contact cavity and a fire wire contact cavity, and the front cover is respectively provided with a first ground wire through hole, a first zero wire through hole and a first fire wire through hole in a penetrating manner corresponding to the ground wire contact cavity, the zero wire contact cavity and the fire wire contact cavity;
the ground wire contact cavity, the zero line contact cavity and the live wire contact cavity respectively extend to form a ground wire terminal, a zero line terminal and a live wire terminal;
the preceding terminal surface of inner frame is provided with shutter activity chamber and shutter, just the inner frame corresponds shutter activity chamber extends and is provided with spacing seat, the shutter including isolated fender frame, and by isolated fender frame corresponds spacing seat extends the spacer pin that sets up, the spacer pin with butt elastomeric element between the spacing seat, so that isolated fender frame activity is isolated zero line contact chamber and live wire contact chamber, isolated fender frame is last to be followed elastomeric element's compression direction corresponds respectively first zero line interlude hole and first live wire interlude hole are provided with first direction sloping platform and second direction sloping platform.
Foretell changeover plug with shutter, wherein isolated fender frame is including around the isolated strake of first spacing strake, first isolated strake, the isolated strake of second and the isolated strake of second that sets up in proper order and around the compression chamber that forms, isolated fender frame passes through the compression chamber cover is arranged in spacing seat, the spacer pin corresponds the compression chamber sets up on the isolated strake of second, first direction sloping platform is close to spacing seat sets up on the first isolated strake, the second direction sloping platform is kept away from the spacer pin set up in on the isolated strake of second, just the direction inclined plane of first direction sloping platform and the second direction sloping platform is parallel to each other.
The changeover plug with the protective door is characterized in that the rear end face of the inner framework is provided with a ground wire containing seat, a zero line containing seat and a live wire containing seat, the zero line containing seat and the live wire containing seat are arranged on the lower portion of the ground wire containing seat in parallel, the ground wire contact cavity, the zero line contact cavity and the live wire contact cavity are respectively arranged in the ground wire containing seat, the zero line containing seat and the live wire containing seat, and the ground wire contact cavity, the zero line contact cavity and the live wire contact cavity are parallel to each other.
The above-mentioned changeover plug with protection door, wherein the structure of zero line terminal and live wire terminal is the same, zero line terminal includes integrated into one piece's first base pin, first riveting piece and first electricity and connects the contact site, first base pin expose in protection casing, first riveting piece is external to have the zero line, place in the contact site of first electricity in the zero line contact chamber.
The first electrical contact part comprises a first contact elastic sheet and a second contact elastic sheet which are riveted on the first riveting sheet, an insertion contact cavity is formed between the first contact elastic sheet and the second contact elastic sheet, the first contact elastic sheet and the second contact elastic sheet have the same structure, the first contact elastic sheet is sequentially provided with an accommodating convex section, a first contact section and a leading-in section, and the accommodating convex section is connected with the first riveting sheet.
The above-mentioned changeover plug with protection door, wherein the ground terminal includes integrated into one piece's second base pin, second riveting piece and second electricity connection contact portion, the second base pin expose in protection casing, the second riveting piece is external to have the ground wire, place in the second electricity connection contact portion in the ground wire contact chamber, second electricity connection contact portion is including linkage segment, second contact segment and the arc direction section that sets gradually, the linkage segment with the second riveting piece is connected, the arc direction section corresponds first ground wire poling hole sets up.
The conversion plug with the protection door comprises a first opening end and a first closing end, wherein the first closing end is provided with a second ground through hole, a second zero through hole and a second live through hole which are used for containing the ground wire terminal, the zero wire terminal and the live wire terminal, the first opening end is provided with a first front cover mounting groove used for assembling a front cover, and the bottom of the protection shell is provided with an electric wire connection reinforcing sleeve used for containing the ground wire, the zero wire and the live wire in an extending mode.
In the above-mentioned plug adaptor with a shutter, the rear cover includes a second open end and a second closed end, a ground wire reinforcing seat, a neutral wire reinforcing seat and a fire wire reinforcing seat are respectively disposed at the second closed end corresponding to the second ground penetrating hole, the second zero penetrating hole and the second fire wire penetrating hole, and a second front cover mounting groove for assembling the front cover is disposed at the second open end.
In the above conversion plug with a protection door, the rear cover corresponds to the inner frame and is internally provided with the structural reinforcement seat, the bottom of the rear cover corresponds to the electric wire connection reinforcement sleeve and is provided with the first reinforcement half seat, and the outer wall of the rear cover corresponds to the locking groove for locking the front cover.
In the above-mentioned conversion plug with a protection door, the front cover includes a second reinforcing half seat buckled with the first reinforcing half seat in the electric wire connection reinforcing sleeve, and the front cover is provided with a locking protrusion extending corresponding to the locking groove.
The utility model has the advantages that: the utility model has reasonable and ingenious design, the front cover, the rear cover and the protective shell are arranged in a matching way, so that the inner frame is firmly arranged in the rear cover, on one hand, the structural strength in the conversion plug can be enhanced, on the other hand, the water and rust prevention of the inner part of the rear cover, even the ground wire contact cavity, the zero wire contact cavity and the live wire contact cavity can be ensured, and the normal use of the conversion plug under different environments and different electrical appliance use requirements can be realized; wherein, changeover plug is when not using, the shutter is in normal lock state in order completely cut off zero line contact chamber and live wire contact chamber work as when first direction sloping platform and second direction sloping platform receive the extrusion simultaneously, through elastomeric element compression effect below can be opened the shutter, with the intercommunication first zero line break hole and zero line contact chamber and first live wire break hole and live wire contact chamber, structure steadiness and break-make protection good reliability avoid appearing the circular telegram under the condition of incomplete contact, ensure normal power consumption and use safe and reliable.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a front view of the inner frame of the present invention;
FIG. 4 is a perspective view of the inner frame of the present invention;
fig. 5 is a schematic perspective view of the middle front cover of the present invention;
fig. 6 is a schematic perspective view of the middle and rear covers of the present invention;
fig. 7 is a schematic perspective view of the protective housing of the present invention;
fig. 8 is a schematic perspective view of a ground terminal according to the present invention;
fig. 9 is a schematic perspective view of the neutral terminal of the present invention.
Detailed Description
The present invention is further described below with reference to specific embodiments, so that the technical solution of the present invention is easier to understand and master, rather than to limit the present invention.
Example (b): referring to fig. 1 to 9, the adaptor plug with a protection door provided in this embodiment includes a front cover 1 and a protection housing 4 that are assembled, and a rear cover 2 detachably connected to the front cover 1 and embedded in the protection housing 4, an inner frame 3 is embedded in the rear cover 2, the inner frame 3 includes an earth wire contact cavity 311, a neutral wire contact cavity 312 and a fire wire contact cavity 313, and the front cover 1 is respectively provided with a first earth wire through hole 111, a first zero wire through hole 112 and a first fire wire through hole 113 corresponding to the earth wire contact cavity 311, the neutral wire contact cavity 312 and the fire wire contact cavity 313 in a penetrating manner;
a ground terminal 321, a neutral terminal 322 and a live terminal 323 respectively extend from the ground contact cavity 311, the neutral contact cavity 312 and the live contact cavity 313;
a protective door movable cavity and a protective door 33 are arranged on the front end face of the inner framework 3, a limiting seat 34 is arranged on the inner framework 3 corresponding to the protective door movable cavity in an extending mode, the protective door 33 comprises an isolation blocking frame and a limiting pin extending from the isolation blocking frame corresponding to the limiting seat 34, an elastic component 35 is abutted between the limiting pin and the limiting seat 34, so that the isolation blocking frame can isolate the zero line contact cavity 312 and the fire line contact cavity 313 in a movable mode, and a first guide ramp 361 and a second guide ramp 362 are arranged on the isolation blocking frame along the compression direction of the elastic component 35 and respectively corresponding to the first zero line through hole 112 and the first fire line through hole 113; the elastic member 35 is, for example, but not limited to, a spring.
Specifically, the front cover 1, the rear cover 2 and the protective shell 4 are arranged in a matched manner, so that the inner frame 3 is stably installed in the rear cover 2, the structural strength inside the conversion plug can be enhanced on one hand, and on the other hand, the inside of the rear cover 2, even the ground wire contact cavity 311, the zero wire contact cavity 312 and the fire wire contact cavity 313 can be ensured to be waterproof and rustproof, and the conversion plug can be normally used in different environments and under different electrical appliance use requirements; wherein, changeover plug is when not using, shutter 33 is in the normal lock state in order completely cut off zero line contact chamber 312 and live wire contact chamber 313, works as when first direction sloping 361 and second direction sloping 362 receive the extrusion simultaneously, through elastomeric element 35 compression effect below can be opened shutter 33, in order to communicate first zero line break-through hole 112 and zero line contact chamber 312, and first live wire break-through hole 113 and live wire contact chamber 313, structural stability and break-make protection good reliability avoid appearing and switch on under the incomplete condition of contact, ensure normal power consumption and use safe and reliable.
Preferably, the isolation baffle frame comprises a first limit edge, a first isolation edge, a second limit edge, a second isolation edge and a compression cavity formed by surrounding, the first limit edge, the first isolation edge, the second limit edge and the second isolation edge are sequentially arranged in a surrounding manner, the isolation baffle frame is sleeved on the limit seat 34 through the compression cavity, the limit pin is arranged on the second isolation edge corresponding to the compression cavity, the first guide ramp 361 is arranged on the first isolation edge adjacent to the limit seat 34, the second guide ramp 362 is arranged on the second isolation edge far away from the limit pin, and the guide inclined planes of the first guide ramp 361 and the second guide ramp 362 are parallel to each other; specifically, in the process of opening and closing the protective door 33, the first limit edge and the second limit edge can be ensured to smoothly slide along the protective door movable cavity of the inner frame 3, so that the protective door 33 can move smoothly, and the opening and closing reliability of the protective door 33 is further improved.
Furthermore, the rear end face of the inner frame 3 is provided with a ground wire containing seat, a zero line containing seat and a live wire containing seat, the zero line containing seat and the live wire containing seat are arranged at the lower part of the ground wire containing seat in parallel, the ground wire contact cavity 311, the zero line contact cavity 312 and the live wire contact cavity 313 are respectively and internally arranged in the ground wire containing seat, the zero line containing seat and the live wire containing seat, and the ground wire contact cavity 311, the zero line contact cavity 312 and the live wire contact cavity 313 are parallel to each other; specifically, the inner frame 3 is made of a high-strength material, so that the structural reliability of the inner frame is improved, and the use requirements of different environments are met; by independently arranging the ground wire containing seat, the zero line containing seat and the live wire containing seat, the installation reliability of the ground wire terminal 321, the zero line terminal 322 and the live wire terminal 323 is improved, and the framework strength of the inner framework 3 is further improved.
Further, the structure of the neutral terminal 322 is the same as that of the live wire terminal 323, the neutral terminal 322 includes a first pin 3221, a first riveting lug 3222 and a first electrical contact portion, which are integrally formed, the first pin 3221 is exposed out of the protective housing 4, the first riveting lug 3222 is externally connected with a neutral wire, and the first electrical contact portion is internally disposed in the neutral contact cavity 312; the first riveting sheet 3222 and the first electric contact part are arranged, so that the contact reliability of the neutral terminal 322 and the neutral wire is improved; similarly, the first rivet 3222 of the fire wire terminal 323 is externally connected with a fire wire.
Furthermore, the first electrical contact portion includes a first contact elastic sheet and a second contact elastic sheet riveted on the first riveting sheet 3222, an insertion contact cavity is formed between the first contact elastic sheet and the second contact elastic sheet, the first contact elastic sheet and the second contact elastic sheet have the same structure, the first contact elastic sheet is sequentially provided with an accommodating convex section 3223, a first contact section 3224 and a lead-in section 3225, and the accommodating convex section 3223 is connected with the first riveting sheet 3222; the plug contact cavity is used for accommodating a neutral pin inserted through the first neutral through-hole 112, the first contact section 3224 improves contact reliability with the neutral pin, and the lead-in section 3225 facilitates insertion of the neutral pin into the plug contact cavity.
Further, the ground terminal 321 includes a second pin 3211, a second riveting tab 3212, and a second electrical contact portion, the second pin 3211 is exposed out of the protection housing 4, the second riveting tab 3212 is externally connected to a ground wire, the second electrical contact portion is disposed in the ground wire contact cavity 311, the second electrical contact portion includes a connection segment 3213, a second contact segment 3214, and an arc-shaped guide segment 3215, which are sequentially disposed, the connection segment 3213 is connected to the second riveting tab 3212, and the arc-shaped guide segment 3215 is disposed corresponding to the first ground wire insertion hole 111; by providing the second caulking pieces 3212 and the second electrical contact portion, the contact reliability of the ground terminal 321 with the ground wire is improved; the second contact section 3214 improves contact reliability with the ground pin inserted through the first ground penetration hole 111, and the arc-shaped guide section 3215 facilitates the ground pin insertion contact.
Specifically, ground terminal 321, zero line terminal 322 and live wire terminal 323 adopt brass surface nickel plating structure, realize rust-resistant, salt-proof alkaline ability, just ground terminal 321 and second riveting piece 3212 and zero line terminal 322 and live wire terminal 323 all are connected through the mode of crimping with first riveting piece 3222, avoid the contact resistance that the intermediate junction probably brought and lead to electrical apparatus function unusual.
Preferably, the protection housing 4 includes a first open end and a first closed end, the first closed end is respectively provided with a second ground through-hole 411, a second zero through-hole 412 and a second fire through-hole 413 for accommodating the ground terminal 321, the neutral terminal 322 and the fire terminal 323, the first open end is provided with a first front cover mounting groove 42 for assembling a front cover, the bottom of the protection housing 4 is extended and provided with a wire connecting and reinforcing sleeve 43 for accommodating a ground wire, a neutral wire and a fire wire, and the first front cover mounting groove 42 is arranged to improve the assembling reliability of the front cover 1 and the protection housing 4.
Preferably, the rear cover 2 includes a second open end and a second closed end, a ground wire reinforcing seat 211, a neutral wire reinforcing seat 212, and a fire wire reinforcing seat 213 are respectively disposed at the second closed end corresponding to the second ground penetrating hole 411, the second neutral penetrating hole 412, and the second fire wire penetrating hole 413, a second front cover mounting groove for assembling a front cover is disposed at the second open end, and the second front cover mounting groove is disposed to improve the assembling reliability of the front cover 1 and the rear cover 2, and the ground wire reinforcing seat 211, the neutral wire reinforcing seat 212, and the fire wire reinforcing seat 213 further improve the mounting reliability of the ground wire terminal 321, the neutral wire terminal 322, and the fire wire terminal 323.
Further, back lid 2 corresponds be equipped with the structure in the inner frame 3 and strengthen the seat, the bottom of back lid 2 corresponds the electric wire is plugged into and is strengthened set 43 and be provided with first half seat 22 of strengthening, just the outer wall correspondence of back lid 2 is provided with and is used for the closure the locking recess 23 of protecgulum 1, the structure is strengthened the seat and has been improved the installation steadiness of inner frame 3.
Further, the front cover 1 includes a second reinforcing half seat 12 buckled with the first reinforcing half seat 22 in the wire connection reinforcing sleeve 43, and the front cover 1 is provided with a locking protrusion 13 extending corresponding to the locking groove 23; the first reinforcing half seat 22 and the second reinforcing half seat 12 are used in the wire connection reinforcing sleeve 43 in a matched mode, so that the protection performance of the ground wire, the zero wire and the live wire is improved, and the locking groove 23 and the locking protrusion 13 are used in a combined mode, so that the assembly convenience of the rear cover 2 and the front cover 1 is improved.
When the utility model works, the ground wire pin, the zero wire pin and the live wire pin of the plug to be converted are respectively inserted into the first ground wire through hole 111, the first zero wire through hole 112 and the first live wire through hole 113, at the moment, the ground wire pin is arranged in the ground wire contact cavity 311 in a penetrating way, and the zero wire pin and the live wire pin simultaneously and respectively support against the first guiding inclined table 361 and the second guiding inclined table 362; with further insertion, first and second guide ramps 361, 362 are pressed to compress elastic member 35, thereby driving first and second isolation tabs away from neutral and live contact cavities 312, 313, where the ground, neutral and live pins are electrically connected to ground, neutral and live terminals 321, 322, 323, respectively, to achieve switched conduction; when the plug to be switched is pulled out, the ground pin, the neutral pin and the live pin are separated from the ground terminal 321, the neutral terminal 322 and the live terminal 323 respectively, and at this time, the protective door 33 is closed under the action of the elastic component 35 to realize switching off.
The utility model has reasonable and ingenious design, the front cover, the rear cover and the protective shell are arranged in a matching way, so that the inner frame is firmly arranged in the rear cover, on one hand, the structural strength in the conversion plug can be enhanced, on the other hand, the water and rust prevention of the inner part of the rear cover, even the ground wire contact cavity, the zero wire contact cavity and the live wire contact cavity can be ensured, and the normal use of the conversion plug under different environments and different electrical appliance use requirements can be realized; wherein, changeover plug is when not using, the shutter is in normal lock state in order completely cut off zero line contact chamber and live wire contact chamber work as when first direction sloping platform and second direction sloping platform receive the extrusion simultaneously, through elastomeric element compression effect below can be opened the shutter, with the intercommunication first zero line break hole and zero line contact chamber and first live wire break hole and live wire contact chamber, structure steadiness and break-make protection good reliability avoid appearing the circular telegram under the condition of incomplete contact, ensure normal power consumption and use safe and reliable.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, using the technical means and contents disclosed above, without departing from the scope of the technical solution of the present invention. Therefore, the protection scope of the present invention should be covered by the equivalent changes made according to the shape, structure and principle of the present invention, all without departing from the technical solution of the present invention.
Claims (10)
1. A conversion plug with a protection door is characterized by comprising a front cover and a protection shell which are assembled, and a rear cover which is detachably connected with the front cover and is arranged in the protection shell, wherein an inner framework is arranged in the rear cover, the inner framework comprises a ground wire contact cavity, a zero wire contact cavity and a fire wire contact cavity, and the front cover is respectively provided with a first ground wire through hole, a first zero wire through hole and a first fire wire through hole in a penetrating manner corresponding to the ground wire contact cavity, the zero wire contact cavity and the fire wire contact cavity;
the ground wire contact cavity, the zero line contact cavity and the live wire contact cavity respectively extend to form a ground wire terminal, a zero line terminal and a live wire terminal;
the preceding terminal surface of inner frame is provided with shutter activity chamber and shutter, just the inner frame corresponds shutter activity chamber extends and is provided with spacing seat, the shutter including isolated fender frame, and by isolated fender frame corresponds spacing seat extends the spacer pin that sets up, the spacer pin with butt elastomeric element between the spacing seat, so that isolated fender frame activity is isolated zero line contact chamber and live wire contact chamber, isolated fender frame is last to be followed elastomeric element's compression direction corresponds respectively first zero line interlude hole and first live wire interlude hole are provided with first direction sloping platform and second direction sloping platform.
2. The conversion plug with the protection door according to claim 1, wherein the isolation bezel comprises a first limit edge, a first isolation edge, a second limit edge, a second isolation edge and a compression cavity formed around the first limit edge, the second limit edge and the second isolation edge are sequentially arranged around the isolation bezel, the isolation bezel is sleeved on the limit seat through the compression cavity, the limit pin is arranged on the second isolation edge corresponding to the compression cavity, the first guide ramp is arranged on the first isolation edge adjacent to the limit seat, the second guide ramp is arranged on the second isolation edge far away from the limit pin, and the guide inclined planes of the first guide ramp and the second guide ramp are parallel to each other.
3. The conversion plug with a protective door according to claim 2, wherein the rear end face of the inner frame is provided with a ground wire accommodating seat, a zero wire accommodating seat and a live wire accommodating seat, the zero wire accommodating seat and the live wire accommodating seat are arranged in parallel at the lower part of the ground wire accommodating seat, the ground wire contact cavity, the zero wire contact cavity and the live wire contact cavity are respectively arranged in the ground wire accommodating seat, the zero wire accommodating seat and the live wire accommodating seat, and the ground wire contact cavity, the zero wire contact cavity and the live wire contact cavity are parallel to each other.
4. The transfer plug with protective door of claim 3 wherein said neutral terminal and said live terminal are identical in construction, said neutral terminal including an integrally formed first prong exposed to said protective housing, a first rivet tab circumscribing a neutral wire, and a first electrical contact disposed within said neutral contact cavity.
5. The conversion plug with the protective door according to claim 4, wherein the first electrical contact portion comprises a first contact spring piece and a second contact spring piece riveted on the first riveting piece, an insertion contact cavity is formed between the first contact spring piece and the second contact spring piece, the first contact spring piece and the second contact spring piece are identical in structure, the first contact spring piece is provided with an accommodating convex section, a first contact section and a lead-in section in sequence, and the accommodating convex section is connected with the first riveting piece.
6. The conversion plug with the protection door according to claim 5, wherein the ground terminal comprises a second pin, a second rivet sheet and a second electrical contact portion, the second pin is exposed out of the protection shell, the second rivet sheet is externally connected with a ground wire, the second electrical contact portion is arranged in the ground wire contact cavity, the second electrical contact portion comprises a connecting section, a second contact section and an arc-shaped guide section, the connecting section is connected with the second rivet sheet, and the arc-shaped guide section is arranged corresponding to the first ground wire through hole.
7. The conversion plug with the protective door according to claim 1, wherein the protective housing includes a first open end and a first closed end, the first closed end is respectively provided with a second ground through hole, a second neutral through hole and a second live through hole for accommodating the ground terminal, the neutral terminal and the live terminal, the first open end is provided with a first front cover mounting groove for assembling a front cover, and the bottom of the protective housing is extended and provided with a wire connection reinforcing sleeve for accommodating the ground terminal, the neutral terminal and the live terminal.
8. The patch plug with protection door of claim 7, wherein said rear cover includes a second open end and a second closed end, a ground reinforcement seat, a neutral reinforcement seat and a live reinforcement seat are disposed at said second closed end corresponding to said second ground through hole, second neutral through hole and second live through hole, respectively, and a second front cover mounting groove for assembling the front cover is disposed at said second open end.
9. The conversion plug with the protection door according to claim 8, wherein a structural reinforcement seat is arranged in the back cover corresponding to the inner frame, a first reinforcement half seat is arranged at the bottom of the back cover corresponding to the electric wire connection reinforcement sleeve, and a locking groove for locking the front cover is correspondingly arranged on the outer wall of the back cover.
10. The conversion plug with the protection door as claimed in claim 9, wherein the front cover includes a second reinforcing half seat that is fastened to the first reinforcing half seat in the wire connection reinforcing sleeve, and the front cover is provided with a locking protrusion extending corresponding to the locking groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876415.9U CN213425386U (en) | 2020-12-04 | 2020-12-04 | Change-over plug with shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876415.9U CN213425386U (en) | 2020-12-04 | 2020-12-04 | Change-over plug with shutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213425386U true CN213425386U (en) | 2021-06-11 |
Family
ID=76253285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022876415.9U Active CN213425386U (en) | 2020-12-04 | 2020-12-04 | Change-over plug with shutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213425386U (en) |
-
2020
- 2020-12-04 CN CN202022876415.9U patent/CN213425386U/en active Active
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