CN210040682U - Novel extension socket - Google Patents

Abstract

The utility model provides a novel arrange and insert, include: the novel power strip comprises an upper shell, a lower cover and an electric connection unit, wherein the electric connection unit is assembled in the novel power strip and comprises a plug bush, the upper shell comprises a panel and a side plate, the panel is provided with a jack, the jack corresponds to the plug bush, the side plate is connected to the side edge of the panel, the side plate is provided with a flange, an inward concave structure is arranged outside the side plate, a clamping structure is arranged on the inner side of the side plate, and a bayonet is arranged on the clamping structure; the side department of lower cover is equipped with the butt reason, and the both ends in butt reason have stiffening block, and when the lower cover lid closed on the epitheca, the butt was along the inlay card on the bayonet socket to, the butt is along supporting the top on the curb plate, and stiffening block supports on the medial surface of the tip of top curb plate. User's finger can be more natural, comfortable, conveniently hold novel row and insert, and the easy application of force when pulling out and inserting external plug, convenient to use is simple to, the butt is along can supporting on the inboard face of curb plate, thereby prevents that the curb plate atress from damaging, makes novel row insert more firmly reliable.

Description

Novel extension socket

Technical Field

The utility model belongs to the technical field of the electricity is connected, especially, relate to a novel row inserts.

Background

The extension socket is also called a patch board, a plug board, a patch board or a power strip. The extension socket is a movable socket and is an electric auxiliary device, the extension socket is provided with a plurality of jacks, and after the power supply is connected, the extension socket can simultaneously supply power to a plurality of electric appliances, so that the extension socket is convenient to use. The socket is often subjected to the operation of plugging and unplugging the plug in the use process, and due to the fact that the pin of the plug and the jack of the socket have large friction force, a user needs to apply corresponding acting force between the socket and the plug to overcome the friction force to plug the plug into the socket or unplug the socket from the socket, however, the socket in the prior art is smooth in surface and easy to deform in side surface, and the user is easy to slip or damage the socket in the operation process of plugging and unplugging the plug, so that the use process of the socket is inconvenient, and in the prior art, the pin of the plug can be directly contacted with a plug bush (the plug bush refers to a metal structure which is used for contacting and conducting with the pin of the plug in the socket), so that the user is easy to get an electric shock by mistake and the plug socket is not safe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel arrange and insert is provided, aim at making arrange insert easy to use more, more firm and safer.

In order to solve the above technical problem, the utility model relates to a realize like this, a novel row inserts, include: the plug comprises an upper shell, a lower cover and a plurality of electric connection units, wherein the upper shell is matched with the lower cover, a containing space is formed between the upper shell and the lower cover, the electric connection units are assembled in the containing space, each electric connection unit is connected in parallel, each electric connection unit comprises at least one group of plug bushes, the plug bushes are used for being electrically connected with pins of an external plug, the upper shell comprises a panel and two side plates, at least one group of jacks are arranged on the panel, each group of jacks and each group of plug bushes are correspondingly arranged, the two side plates are respectively connected to two opposite side edges of the panel, flanges are arranged at the edges, close to the outer sides of the two side plates, of the panel surfaces, the flanges surround the area, a clamping structure is arranged on the inner side of each side plate, and a bayonet is arranged on the clamping structure; the relative both sides limit department of lower cover all is provided with the butt edge, the butt edge corresponds respectively with two the curb plate, the both ends in butt edge all have stiffening block, work as the lower cover lid closes when on the epitheca, butt edge inlay card is in corresponding on the bayonet socket, and, butt edge supports and pushes up corresponding on the medial surface of curb plate, stiffening block supports and pushes up corresponding on the medial surface of the tip of curb plate.

Further, novel row inserts still includes elastic component and safety protection door, each group be provided with movable safety protection door between jack and the plug bush that corresponds the group, work as safety protection door receives the participate in of external plug to insert and correspond the jack and when exerting the extrusion force of predetermined size, safety protection door staggers with the jack position that corresponds, the elastic component with safety protection door links to each other, the elastic component is used for providing the messenger safety protection door gets back to the restoring force of initial position.

Furthermore, each group of plug bushes comprises a first plug bush and a second plug bush, and when the novel extension socket is electrified, the first plug bush and the second plug bush are respectively and electrically connected with a zero line and a live line; the two ends of the safety protection door are respectively L-level and N-level, the L-level and the N-level are respectively corresponding to the positions of the first plug bush and the second plug bush, and the orientation of the L-level and the orientation of the N-level correspond to that of the jack side is an inclined plane.

Furthermore, the electric connection unit further comprises an isolation sleeve, the isolation sleeve is sleeved outside the corresponding plug bush, an opening for the pin of the external plug to pass through is formed in the position, corresponding to the corresponding plug bush, of the top side of the isolation sleeve, the safety protection door is assembled on the top side of the isolation sleeve in a sliding mode, the elastic piece is assembled in the isolation sleeve, and one end of the elastic piece is connected with the safety protection door.

Further, seted up switch hole and instruction hole on the panel, novel row inserts still includes: switch structure and pilot lamp, the switch structure assembly is in on the epitheca, the switch structure with the plug bush series connection, the pilot lamp with plug bush parallel connection, the switch structure includes shift knob and installation cover, shift knob gomphosis assembly is in the switch hole, the installation cover assembly is in on the epitheca, shift knob control the plug bush with the pilot lamp switches on the circular telegram simultaneously or closes the outage, the pilot lamp inlays to be established in the pilot hole.

Furthermore, one end of the upper shell is provided with a first sub-opening, one end of the lower cover is provided with a second sub-opening, the first sub-opening and the second sub-opening are corresponding and matched, when the lower cover is covered on the upper shell, the first sub-opening and the second sub-opening are enclosed to form an access hole, the novel extension socket further comprises a power line, the power line is accessed from the access hole, the access end of the power line is provided with a fastening part, the fastening part is provided with an annular groove, the annular groove is embedded and assembled with the edge of the access hole, and the power line is connected to the switch structure after being accessed; a fixing part is arranged on the upper shell close to the first sub-opening, and a first notch structure is arranged on the fixing part; the novel extension socket further comprises a line pressing plate, a second notch structure is arranged on the line pressing plate, a plurality of friction edges are arranged on the second notch structure, two ends of the line pressing plate are locked at two ends of the fixing portion through screws respectively, the second notch structure and the first notch structure are arranged oppositely, and the power line is clamped between the first notch structure and the friction edges of the second notch structure.

Furthermore, the switch structure is assembled on the upper shell, a plurality of positioning columns are arranged at the switch structure, assembling holes are formed in the positioning columns, positioning support legs extend out of two opposite sides of the installation sleeve, positioning holes are formed in the positioning support legs, the positioning support legs are assembled on the corresponding positioning columns through screws, the screws penetrate through the positioning holes and the corresponding assembling holes, positioning clamping protrusions are arranged on the side, close to the upper shell, of the installation sleeve, the positioning clamping protrusions are embedded in the corresponding assembling holes in the positioning columns, abutting columns are arranged on one side, close to the lower cover, of the installation sleeve, and when the lower cover is assembled with the upper shell, the free end portions of the abutting columns abut against the inner side of the lower cover.

Furthermore, a guide wall perpendicular to the inner panel surface of the panel is arranged at the edge of the switch hole, the extending direction of the guide wall is the direction towards the lower cover, a plurality of guide openings are formed in the guide wall, a plurality of guide protrusions are arranged at the edge of the switch button, the guide protrusions and the guide openings are in one-to-one correspondence, and the guide protrusions are assembled on the guide openings in a sliding manner; the edge of the indication hole is provided with a plurality of clamping edges perpendicular to the panel, the clamping edges are arranged at intervals around the edge of the indication hole, the clamping edges form a clamping space around the indication hole, and the indication lamp is assembled in the clamping space in a clamping and embedding mode.

Furthermore, a plurality of first fixing columns perpendicular to the panel are arranged on the upper shell, threaded holes are formed in the first fixing columns, the first fixing columns are arranged on the upper shell at intervals and close to the two side plates, and reinforcing ribs are arranged between the first fixing columns and the adjacent side plates; a plurality of second fixing columns are arranged on the board surface of the lower cover on the assembling side with the upper shell, the second fixing columns correspond to the first fixing columns one by one, assembling through holes are formed in the second fixing columns, and the second fixing columns are fixedly connected with the first fixing columns through screws; the both ends of lower cover all are provided with the installation department, all seted up the mounting hole on the installation department.

Further, the both ends of epitheca with the both ends of lower cover are the circular arc structure, the curb plate is long circle, the flange is long circle form, the epitheca with form when the lower cover assembles the side profile of novel row's socket is long circle, the inboard of the circular arc structure on the epitheca is provided with the strengthening rib, the lower cover with be provided with the strengthening rib on the face of epitheca looks assembly side, the inboard at butt joint edge with follow between the inboard face of lower cover the extending direction interval at butt joint edge is provided with the strengthening rib.

Compared with the prior art, the utility model discloses in novel row insert, beneficial effect lies in:

when pulling out the operation of inserting external plug, the user's finger can hold the curb plate of novel row's both sides of inserting, and finger tip presses including concave structural, user's finger can be more natural, it is comfortable, conveniently hold novel row and insert, the flange can prevent that the finger from skidding, pull out the easier application of force when inserting external plug, high durability and convenient use are simple, on the other hand, the butt is along can supporting on the inboard face of curb plate, the stiffening block supports on the inboard face at curb plate both ends, can improve curb plate middle part and tip resistance to the ability of destroying, thereby prevent the curb plate atress damage, make novel row insert more firmly reliably.

Drawings

Fig. 1 is a schematic view of the overall structure of the novel extension socket in the embodiment of the present invention;

fig. 2 is an exploded schematic view of the novel extension socket in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of an upper shell of the novel extension socket in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a lower cover of the novel extension socket in the embodiment of the invention;

fig. 5 is a schematic structural diagram of a first electrical connection unit in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a second electrical connection unit in an embodiment of the present invention.

In the drawings, each reference numeral denotes: 1. an upper shell; 11. a panel; 12. a side plate; 13. a first sub-port; 111. a jack; 112. a switch hole; 113. an indicator hole; 114. a fixed part; 115. a wire pressing plate; 116. a positioning column; 117. a guide wall; 118. clamping and embedding edges; 119. a first fixed column; 121. a flange; 122. a concave structure; 123. a clamping structure; 1141. a first notch structure; 1151. a second notch structure; 1161. an assembly hole; 1231. a bayonet; 2. a lower cover; 21. abutting the flange; 22. a second sub-port; 23. supporting the column; 24. a second fixed column; 25. an installation part; 211. a stiffening block; 251. mounting holes; 3. an electrical connection unit; 31. inserting a sleeve; 32. an isolation sleeve; 33. a safety protection door; 4. an elastic member; 5. a switch structure; 51. a switch button; 52. installing a sleeve; 521. positioning the supporting legs; 522. positioning the clamping protrusion; 6. and an indicator light.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example (b):

in this embodiment, as shown in fig. 1 to 6, the novel extension socket includes: the plug comprises an upper shell 1, a lower cover 2 and a plurality of electric connection units 3, wherein the upper shell 1 is matched with the lower cover 2, an accommodating space is formed between the upper shell 1 and the lower cover 2, the electric connection units 3 are assembled in the accommodating space, the electric connection units 3 are connected in parallel, each electric connection unit 3 comprises at least one group of plug bushes 31, the plug bushes 31 are used for being electrically connected with pins of an external plug, the upper shell 1 comprises a panel 11 and two side plates 12, at least one group of jacks 111 are arranged on the panel 11, the jacks 111 and the plug bushes 31 are correspondingly arranged, the two side plates 12 are respectively connected to two opposite side edges of the panel 11, flanges 121 are arranged at the edges, close to the outer sides of the two side plates 12, the area enclosed by the flanges 121 is a concave structure 122, a clamping structure 123 is arranged on the inner side plate of the side plate 12, and a bayonet 1231 is; the relative both sides limit department of lower cover 2 all is provided with butt edge 21, and butt edge 21 corresponds respectively with both sides board 12, and the both ends of butt edge 21 all have stiffening block 211, and when lower cover 2 lid closed on epitheca 1, butt edge 21 inlay card was on bayonet 1231 that corresponds to, butt edge 21 supports and pushes up on the medial surface of the curb plate 12 that corresponds, and stiffening block 211 supports and pushes up on the medial surface of the tip of the curb plate 12 that corresponds.

When pulling out the operation of inserting external plug, user's finger can hold between fingers the curb plate 12 of novel row's both sides of inserting, and press on concave structure 122 including finger tip, user's finger can be more natural, it is comfortable, conveniently hold novel row and insert, flange 121 can prevent to point and skid, pull out the easier application of force when inserting external plug, high durability and convenient use, on the other hand, the butt joint edge 21 can support on the inboard face of curb plate 12, stiffening block 211 supports on the inboard face at curb plate 12 both ends, can improve curb plate 12 middle part and tip resistance to the ability of destruction, thereby prevent curb plate 12 atress damage, make novel row insert more firmly reliably.

Referring to fig. 1-3, the inner sides of the wall edges at the two ends of the upper casing 1 are provided with clamping grooves, the outer sides of the side edges at the two ends of the lower cover 2 are provided with clamping edges, the clamping edges are matched with the clamping grooves, and the clamping edges are connected with the abutting edges 21. When assembling epitheca 1 and lower cover 2 mutually, the joint is along the card to be arranged in the draw-in groove, has improved the assembly precision and the stability of lower cover 2 and epitheca 1.

The both ends of epitheca 1 and the both ends of lower cover 2 are the circular arc structure, curb plate 12 is long circular, flange 121 is long circular, the side profile that the novel row that forms when epitheca 1 and lower cover 2 assembled mutually is long circular, the inboard of the circular arc structure on the epitheca 1 is provided with the strengthening rib, be provided with the strengthening rib on the face of the lower cover 2 with epitheca 1 looks assembly side, the inboard of butt edge 21 also can be provided with the strengthening rib (not shown in the figure) along the extending direction of butt edge 21 between the inboard face of butt edge 21 and the inboard face of lower cover 2 at an interval. The setting of strengthening rib can improve the structural strength of epitheca 1, lower cover 2 and butt joint reason 21 for novel row inserts more durable reliable.

With reference to fig. 2, 5 and 6, the novel patch board further includes an elastic member 4 and a safety protection door 33, a movable safety protection door 33 is disposed between each group of the jack 111 and the corresponding group of the plug bush 31, when the safety protection door 33 receives a pressing force applied by inserting the pins of the external plug into the corresponding jack 111 and applying a predetermined magnitude, the safety protection door 33 is staggered with the corresponding jack 111, the elastic member 4 is connected to the safety protection door 33, and the elastic member 4 is used for providing a restoring force for returning the safety protection door 33 to the initial position. The safety protection door 33 corresponding to the jack 111 can be opened only when the extrusion force exceeding the preset size is received, so that a user is not easy to insert a conductive object into the live jack 111 carelessly, the probability of electric shock of the user is greatly reduced, and the novel extension socket is safer and more reliable in use.

Each group of plug bushes 31 comprises a first plug bush and a second plug bush, each group of plug bushes 31 corresponds to one two-hole socket or one three-hole socket, and when the electric connection unit 3 is switched on and powered on, the first plug bush and the second plug bush are respectively and electrically connected with the zero line and the live line. Preferably, in the present embodiment, as shown in fig. 2, four electrical connection units 3 are respectively disposed on two sides in the novel extension socket, wherein each electrical connection unit 3 on one side includes a single-phase two-stage socket (i.e., a two-hole socket) and a single-phase two-stage grounded socket (i.e., a three-hole socket), and each electrical connection unit 3 on the other side includes a single-phase two-stage socket. In other embodiments, one, two, three, five, six, etc. electrical connection units 3 may be disposed on two sides in the novel extension socket. In other embodiments, each electrical connection unit 3 may include only one, two, three, four, etc. single-phase two-stage sockets, each electrical connection unit 3 may include only one, two, three, four, etc. single-phase two-stage grounded sockets, and each electrical connection unit 3 may also include one, two, three, four, etc. single-phase two-stage grounded sockets along with one, two, three, four, etc. single-phase two-stage sockets.

As shown in fig. 2, 5 and 6, the electrical connection unit 3 includes an isolation sleeve 32, the isolation sleeve 32 is sleeved on the corresponding set of plug bushes 31, openings for passing pins of an external plug are opened at positions corresponding to the corresponding plug bushes 31 on the top side of the isolation sleeve 32, and a safety protection door 33 is slidably assembled on the top side of the isolation sleeve 32. The two ends of the safety protection door 33 are respectively L-level and N-level, the L-level and the N-level are respectively corresponding to the positions of the corresponding first plug bush and the second plug bush, and the insertion holes 111 sides of the L-level and the N-level which face the corresponding insertion holes are inclined planes. Specifically, in the present embodiment, as shown in fig. 5, for the electrical connection unit 3 in which a single-phase two-stage socket is provided, the elastic member 4 is provided between the safety protection door 33 and one side wall of the insulating bush 32; as shown in fig. 6, for the electrical connection unit 3 having a single-phase two-stage socket and a single-phase two-stage grounded socket inside, two safety protection doors 33 are provided in the electrical connection unit 3, and the two safety protection doors 33 are respectively provided above the single-phase two-stage socket and the single-phase two-stage grounded socket, the elastic member 4 is provided between the two safety protection doors 33, the connecting parts of the two safety protection doors 33 and the elastic member 4 are both provided with connecting protrusions, and in order to allow a three-pin plug to be normally inserted into the three-pin socket, a ground through hole for the ground pin of the three-pin plug to pass through is provided in the middle of the safety protection door 33 above the single-phase two-stage socket. In this embodiment, the elastic members 4 are all springs, and in other embodiments, the elastic members 4 may be elastic sheets or elastic blocks. In the process of inserting the novel row of plug with external electrical apparatus, only the zero line of plug is participated in and is participated in with the live wire and simultaneously evenly to the safety protection door 33 that corresponds when same group L level and N level application of force just can open, and safety protection door 33 can lock when inserting zero line or live wire jack 111 with the object alone to avoid the user to miss and touch electrified part, safe and reliable more.

The joint hole has been seted up on the separation sleeve 32, it is corresponding, it is protruding to be provided with the joint on the position that corresponds with separation sleeve 32 on the inboard face of panel 11 of upper shell 1, the joint hole is the circular port, the bellied cross section of joint is square, the bellied free end department of joint is frustum form, the diagonal length value of the cross section of the bellied bottom of joint slightly is greater than the internal diameter value in joint hole, therefore, only need aim at the joint hole when assembling separation sleeve 32 the joint protruding impress can the joint stabilize, simple to operate is simple, and only need when dismantling with separation sleeve 32 extract can, it is convenient simple. In other embodiments, the cross section of the clamping protrusion can be circular, triangular, pentagonal, hexagonal and the like, the clamping hole can be a square hole, a pentagonal hole, a hexagonal hole and the like, and the clamping protrusion can be pressed by extrusion force only when being clamped and embedded in the clamping hole.

As shown in fig. 2-4, the panel 11 is provided with a switch hole 112 and an indication hole 113, and the novel extension socket further includes: switch structure 5 and pilot lamp 6, switch structure 5 assembles on epitheca 1, switch structure 5 and plug bush 31 series connection, pilot lamp 6 and plug bush 31 parallel connection, switch structure 5 includes shift knob 51 and installation cover 52, shift knob 51 gomphosis assembly is in switch hole 112, installation cover 52 assembles on epitheca 1, shift knob 51 control plug bush 31 switches on the circular telegram simultaneously or closes the outage with pilot lamp 6, pilot lamp 6 inlays and establishes in pilot hole 113. The power-on or power-off of each electric connection unit 3 of the novel socket can be controlled by pressing the switch button 51, and the power-on or power-off of the electric connection unit 3 can be visually displayed by the light or the dark of the indicator lamp 6.

A guide wall 117 perpendicular to the inner panel surface of the panel 11 is arranged at the edge of the switch hole 112, the extending direction of the guide wall 117 is the direction close to the lower cover 2, a plurality of guide openings are formed in the guide wall 117, a plurality of guide protrusions are arranged at the edge of the switch button 51, the guide protrusions and the guide openings correspond to each other one by one, and the guide protrusions are assembled on the guide openings in a sliding manner; the edge of the indication hole 113 is provided with a plurality of clamping ribs 118 perpendicular to the panel 11, the clamping ribs 118 are arranged around the edge of the indication hole 113 at intervals, the clamping ribs 118 form a clamping space around the indication hole, and the indication lamp 6 is clamped and assembled in the clamping space.

A plurality of positioning posts 116 are arranged at the position of the assembly switch structure 5 of the upper shell 1, assembly holes 1161 are formed on the positioning posts 116, positioning support legs 521 extend from two opposite sides of the mounting sleeve 52, in this embodiment, there are two positioning legs 521, the positioning legs 521 are provided with positioning holes, in other embodiments, four, six, eight, etc. positioning legs 521 may be provided, the positioning legs 521 are assembled on the corresponding positioning posts 116 by screws, the screws pass through the positioning holes and the corresponding assembling holes 1161, two positioning locking protrusions 522 are provided on the side of the mounting sleeve 52 close to the upper casing 1, the cross section of the positioning locking protrusion 522 is circular, the end of the positioning locking protrusion 522 is smooth, the positioning locking protrusion 522 is inserted into the corresponding assembling hole 1161 on the positioning post 116, one side of the mounting sleeve 52 close to the lower cover 2 is provided with two abutting posts 23, when the lower cover 2 is assembled with the upper shell 1, the free end of the abutting column 23 abuts against the inner side of the lower cover 2. The switch structure 5 can be accurately positioned and installed in the novel extension socket, and can be installed stably.

With reference to fig. 1-4, first rim of mouth 13 has been seted up to the one end of epitheca 1, second rim of mouth 22 has been seted up to the one end of lower cover 2, first rim of mouth 13 and second rim of mouth 22 are corresponding and phase-match, when lower cover 2 lid closes on epitheca 1, first rim of mouth 13 and second rim of mouth 22 enclose to close and form the access hole, novel row inserts still includes the power cord (not shown), the power cord is followed the access hole and is inserted, the access end of power cord is provided with fastening portion, the ring channel has been seted up in the fastening portion, the ring channel assembles with the edge gomphosis that inserts the hole, the power cord is connected on switch structure 5 after inserting. Thereby enabling the power cord to be firmly assembled on the novel socket.

A fixing part 114 is arranged on the upper shell 1 near the first sub-opening 13, and a first notch structure 1141 is arranged on the fixing part 114; the novel extension socket further comprises a line pressing plate 115, a second notch structure 1151 is arranged on the line pressing plate 115, a plurality of friction edges are arranged on the second notch structure 1151, two ends of the line pressing plate 115 are respectively locked at two ends of the fixing portion 114 through screws, the second notch structure 1151 and the first notch structure 1141 are arranged oppositely, and a power line is clamped between the friction edges of the first notch structure 1141 and the second notch structure 1151. Further, the power line is fixed and stable.

A plurality of first fixing columns 119 perpendicular to the panel 11 are arranged on the upper shell 1, threaded holes are formed in the first fixing columns 119, the first fixing columns 119 are arranged at intervals on the upper shell 1 and close to the two side plates 12, and reinforcing ribs are arranged between the first fixing columns 119 and the adjacent side plates 12; a plurality of second fixing columns 24 are arranged on the board surface of the lower cover 2 on the assembling side with the upper shell 1, the second fixing columns 24 correspond to the first fixing columns 119 one by one, assembling through holes are formed in the second fixing columns 24, and the second fixing columns 24 are fixedly connected with the first fixing columns 119 through screws; both ends of lower cover 2 all are provided with installation department 25, have all seted up mounting hole 251 on the installation department 25.

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. A novel extension socket is characterized by comprising: the plug comprises an upper shell (1), a lower cover (2) and a plurality of electric connection units (3), wherein the upper shell (1) is matched with the lower cover (2), an accommodating space is formed between the upper shell (1) and the lower cover (2), the electric connection units (3) are assembled in the accommodating space, the electric connection units (3) are connected in parallel, each electric connection unit (3) comprises at least one group of plug bushes (31), the plug bushes (31) are used for being electrically connected with pins of an external plug, the upper shell (1) comprises a panel (11) and two side plates (12), at least one group of jacks (111) are arranged on the panel (11), each group of jacks (111) is arranged corresponding to each group of plug bushes (31), the two side plates (12) are respectively connected to two opposite side edges of the panel (11), flanges (121) are arranged at the edges, close to the panel surfaces outside the two side plates (12), the area enclosed by the flange (121) is an inward concave structure (122), a clamping structure (123) is arranged on the plate surface of the inner side of the side plate (12), and a bayonet (1231) is arranged on the clamping structure (123); the opposite both sides limit department of lower cover (2) all is provided with butt joint edge (21), butt joint edge (21) and two curb plate (12) correspond respectively, the both ends of butt joint edge (21) all have stiffening block (211), work as lower cover (2) lid closes when on epitheca (1), butt joint edge (21) inlay card is in corresponding on bayonet socket (1231), and, butt joint edge (21) support and be in corresponding on the medial surface of curb plate (12), stiffening block (211) support and support corresponding on the medial surface of the tip of curb plate (12).

2. The novel extension socket according to claim 1, further comprising an elastic member (4) and a safety protection door (33), wherein the movable safety protection door (33) is disposed between each group of the jacks (111) and the corresponding group of the plug bushes (31), when the safety protection door (33) is subjected to a pressing force with a predetermined magnitude by inserting pins of an external plug into the corresponding jacks (111), the safety protection door (33) is staggered from the corresponding jacks (111), the elastic member (4) is connected to the safety protection door (33), and the elastic member (4) is used for providing a restoring force for returning the safety protection door (33) to an initial position.

3. The novel extension socket of claim 2, wherein each set of the sleeves (31) comprises a first sleeve and a second sleeve, and when the novel extension socket is energized, the first sleeve and the second sleeve are electrically connected to the neutral wire and the live wire, respectively;

the two ends of the safety protection door (33) are respectively L-level and N-level, the L-level and the N-level are respectively corresponding to the positions of the first plug bush and the second plug bush, and the orientation of the L-level and the orientation of the N-level correspond to that of the jack (111) side is an inclined plane.

4. The novel extension socket as claimed in claim 2, wherein the electrical connection unit (3) further comprises an isolation sleeve (32), the isolation sleeve (32) is sleeved outside the corresponding plug sleeve (31), an opening for a pin of an external plug to pass through is formed in a position, corresponding to the corresponding plug sleeve (31), on the top side of the isolation sleeve (32), the safety protection door (33) is slidably assembled on the top side of the isolation sleeve (32), the elastic member (4) is assembled in the isolation sleeve (32), and one end of the elastic member is connected with the safety protection door (33).

5. The novel extension socket as claimed in claim 1, wherein the panel (11) is provided with a switch hole (112) and an indication hole (113), and the novel extension socket further comprises: switch structure (5) and pilot lamp (6), switch structure (5) assembly is in on upper shell (1), switch structure (5) with plug bush (31) series connection, pilot lamp (6) with plug bush (31) parallel connection, switch structure (5) include shift knob (51) and installation cover (52), shift knob (51) gomphosis assembly is in switch hole (112), installation cover (52) assembly is in on upper shell (1), shift knob (51) control plug bush (31) with pilot lamp (6) switch on the circular telegram simultaneously or close the outage, pilot lamp (6) are inlayed and are established in pilot hole (113).

6. The novel extension socket according to claim 5, wherein a first sub-opening (13) is formed at one end of the upper casing (1), a second sub-opening (22) is formed at one end of the lower cover (2), the first sub-opening (13) and the second sub-opening (22) correspond to each other and are matched with each other, when the lower cover (2) is covered on the upper casing (1), the first sub-opening (13) and the second sub-opening (22) are enclosed to form an access hole, the novel extension socket further comprises a power line, the power line is accessed from the access hole, a fastening part is arranged at an access end of the power line, an annular groove is formed in the fastening part, the annular groove is embedded and assembled with the edge of the access hole, and the power line is connected to the switch structure (5) after being accessed;

a fixing part (114) is arranged on the upper shell (1) close to the first sub-opening (13), and a first notch structure (1141) is arranged on the fixing part (114);

the novel extension socket further comprises a line pressing plate (115), a second notch structure (1151) is arranged on the line pressing plate (115), a plurality of friction ribs are arranged on the second notch structure (1151), two ends of the line pressing plate (115) are locked at two ends of the fixing portion (114) through screws respectively, the second notch structure (1151) and the first notch structure (1141) are arranged oppositely, and the power line is clamped between the friction ribs of the first notch structure (1141) and the second notch structure (1151).

7. The novel extension socket as claimed in claim 5, wherein a plurality of positioning posts (116) are disposed at the position of the upper housing (1) where the switch structure (5) is assembled, the positioning posts (116) are provided with assembly holes (1161), positioning legs (521) extend from two opposite sides of the mounting sleeve (52), positioning holes are formed in the positioning legs (521), the positioning legs (521) are assembled on the corresponding positioning posts (116) through screws, the screws pass through the positioning holes and the corresponding assembly holes (1161), positioning clamping protrusions (522) are disposed on the side of the mounting sleeve (52) close to the upper housing (1), the positioning clamping protrusions (522) are inserted and assembled in the corresponding assembly holes (1161) on the positioning posts (116), and abutting columns (23) are disposed on the side of the mounting sleeve (52) close to the lower cover (2), when the lower cover (2) is assembled with the upper shell (1), the end part of the free end of the abutting column (23) abuts against the plate surface on the inner side of the lower cover (2).

8. The novel extension socket as claimed in claim 5, wherein a guide wall (117) perpendicular to the inner board surface of the panel (11) is arranged at the edge of the switch hole (112), the guide wall (117) extends in a direction towards the lower cover (2), a plurality of guide openings are formed in the guide wall (117), a plurality of guide protrusions are arranged at the edge of the switch button (51), the guide protrusions correspond to the guide openings one by one, and the guide protrusions are slidably assembled on the guide openings;

the edge of the indication hole (113) is provided with a plurality of clamping ribs (118) perpendicular to the panel (11), the clamping ribs (118) are arranged around the edge of the indication hole (113) at intervals, the clamping ribs (118) form a clamping space around the indication hole, and the indication lamp (6) is assembled in the clamping space in a clamping mode.

9. The novel extension socket as claimed in any one of claims 1 to 8, wherein a plurality of first fixing posts (119) perpendicular to the panel (11) are arranged on the upper casing (1), threaded holes are arranged on the first fixing posts (119), the first fixing posts (119) are arranged at intervals on the upper casing (1) near two side plates (12), and reinforcing ribs are arranged between the first fixing posts (119) and the adjacent side plates (12);

a plurality of second fixing columns (24) are arranged on the board surface of the assembling side of the lower cover (2) and the upper shell (1), the second fixing columns (24) correspond to the first fixing columns (119) one by one, assembling through holes are formed in the second fixing columns (24), and the second fixing columns (24) are fixedly connected with the first fixing columns (119) through screws;

the both ends of lower cover (2) all are provided with installation department (25), mounting hole (251) have all been seted up on installation department (25).

10. The novel socket according to any one of claims 1 to 8, wherein both ends of the upper casing (1) and both ends of the lower cover (2) are both arc structures, the side plate (12) is in an oblong shape, the flange (121) is in an oblong shape, the side profile of the novel socket formed when the upper casing (1) and the lower cover (2) are assembled is in an oblong shape, reinforcing ribs are arranged on the inner side of the arc structures on the upper casing (1), reinforcing ribs are arranged on the surface of the lower cover (2) on the assembling side of the upper casing (1), and reinforcing ribs are arranged between the inner side of the abutting edge (21) and the inner side surface of the lower cover (2) at intervals along the extending direction of the abutting edge (21).

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