CN111786176A

CN111786176A - PDU socket

Info

Publication number: CN111786176A
Application number: CN202010831995.1A
Authority: CN
Inventors: 孙惠能; 沈东�
Original assignee: Ningbo Dinggu Electrical Equipment Co ltd
Current assignee: Ningbo Dinggu Electrical Equipment Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2020-10-16

Abstract

The invention discloses a PDU socket, which comprises a socket shell, a bipolar switch assembly and a plurality of socket modules, wherein a power line is led out from the front end of the shell and is electrically connected with three conducting strips penetrating through the socket modules; the socket module is an IEC C13 two-hole socket module formed by assembling a two-hole panel and a two-hole bottom plate in a snap fit mode, an elastic clamping jaw is formed on the bottom surface of the two-hole panel, and a fastening head with an outward direction is designed at the bottom end of the elastic clamping jaw. The two sides of the bottom surface of the inner cavity of the two-hole bottom plate are provided with fastening grooves which just enable the fastening heads to be positioned and clamped in, the inner walls of the two side surfaces of the two-hole bottom plate are provided with inward-oriented clamping heads formed above the fastening grooves, and the clamping heads are matched with the fastening head anti-dropping hooks clamped in the fastening grooves to realize the clamping type assembly between the two-hole panel and the two-hole bottom plate. The socket adopts a pressing mode for clamping and mounting, is simple and efficient to assemble and convenient to operate, and can effectively improve the integral assembling speed of the socket.

Description

PDU socket

Technical Field

The invention relates to the technical field of socket manufacturing, in particular to a PDU socket.

Background

The PDU socket is novel socket equipment, and the PDU socket that has one kind to be exclusively used in network power supply is connected through network power plug and PDU socket, for network server provides the power supply, and network server has huge data at every moment and is transmitting to network server preserves mass data, consequently must guarantee the reliability of network server power supply in order to guarantee its normal operating. In the prior art, the PDU socket is generally composed of a housing, a socket module and a switch component installed in the housing, and the socket module is composed of a socket panel and a socket base which are assembled by screws.

Disclosure of Invention

The invention aims to solve the technical problem of providing a PDU socket which is simple in assembly, easy to operate, high in speed and high in efficiency aiming at the current situation of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a PDU socket comprises a strip-shaped socket shell with a cross section in a "" structure, a bipolar switch assembly and a plurality of socket modules, wherein the bipolar switch assembly and the socket modules are arranged in the shell in a straight line; the socket module is an IEC C13 two-hole socket module formed by assembling a two-hole panel and a two-hole bottom plate in a snap fit mode, two pairs of elastic clamping jaws extending downwards are formed on the bottom surfaces of the two-hole panel in a bilateral symmetry mode, and the bottom ends of the elastic clamping jaws are provided with fastening heads extending outwards. The two sides of the bottom surface of the inner cavity of the two-hole bottom plate are provided with fastening grooves which just enable the fastening heads to be positioned and clamped in at the positions opposite to the elastic clamping claws, the inner walls of the two side surfaces of the two-hole bottom plate are provided with inward-oriented clamping heads formed above the fastening grooves, and the clamping heads are matched with the fastening head anti-falling hooks clamped in the fastening grooves to realize the clamping type assembly between the two-hole panel and the two-hole bottom plate.

In order to optimize the technical scheme, the specific measures adopted further comprise:

the bottom of the buckle head is formed with a smooth arc-shaped surface and a buckle head inclined surface connected with the arc-shaped surface, the bottom surface of the inner cavity is designed with a guide lug which is convenient for the buckle head to slide into the buckle slot, and the guide lug is formed with a guide inclined surface which is used for sliding guide matching with the arc-shaped surface of the buckle head; the clamping head is provided with a wedge-shaped inclined plane which is used for abutting against and matching with the inclined plane of the fastening head to force the elastic clamping jaw to elastically deform inwards.

The three conducting strips comprise an L-pole conducting strip, an N-pole conducting strip and an E-pole grounding strip; the plurality of socket modules are integrally connected through the three conducting strips to form a socket module group; the front end and the rear end of the two-hole bottom plate are respectively provided with three electric sheet clamping grooves for respectively positioning and clamping the three penetrating electric sheets.

Two side surfaces of the upper port of the shell are bent inwards and downwards to form an assembly port, shell buckles extending upwards are formed on two side walls of the assembly port, and a shell clamping groove with an upward opening is formed between the shell buckles and the side walls of the assembly port; the upper plate surface of the two-hole panel extends towards two sides to form convex edges, three sections of socket buckles which extend downwards and are used for being clamped into the clamping grooves of the shell are formed at the edges of the convex edges, the socket clamping grooves used for clamping the shell buckles are formed between the socket buckles and the side surfaces of the two-hole panel, hanging anti-falling clamping jaws are further formed between two adjacent socket buckles on the bottom surface of the convex edges, and the anti-falling clamping jaws can be elastically attached to the side surfaces of the two-hole panel under the extrusion of the shell buckles during assembly; the socket module is clamped in an assembly opening of the shell in a press assembly mode through the mutual matching of the socket clamp and the shell clamp groove and the mutual matching of the socket clamp groove and the shell clamp groove, and the clamping jaw head of the anti-falling clamping jaw is matched with the bottom surface anti-falling positioning of the shell clamp groove.

The inner walls of the two side surfaces of the shell are correspondingly provided with a convex rib with an assembling hole respectively, and the convex rib is axially provided with a strip opening communicated with the assembling hole; a front iron sealing plate is fixedly arranged at the front port of the shell through the matching of a screw and the assembling hole, and a rear iron sealing plate is fixedly arranged at the rear port of the shell through the matching of the screw and the assembling hole; the front iron sealing plate and the rear iron sealing plate are of inverted L-shaped structures, and waist-shaped holes for conveniently fixing or hanging PDU (Power distribution Unit) sockets are formed in the horizontal plate of the front iron sealing plate and the horizontal plate of the rear iron sealing plate.

The longitudinal plate of the front iron sealing plate is provided with a wire passing hole for a power wire to pass through, a wire buckle for preventing the power wire from being pulled off is fixedly clamped in the wire passing hole, and the power wire penetrates through the wire buckle.

The partition plate is arranged between the rear iron sealing plate and the socket module in a matched mode, the partition plate is installed in an assembly opening of the shell in a matched mode in a pressing assembly mode, partition plate buckles used for being clamped into shell clamping grooves are formed on two side faces of the partition plate, partition plate clamping grooves with openings downward and used for enabling the shell buckles to be clamped into the shell clamping grooves are formed between the partition plate buckles and the side faces of the partition plate, partition plate clamping claws capable of elastically deforming and moving towards the inner side under pressure are formed on the two side faces of the partition plate, and the partition plate clamping claws are matched with bottom face anti-falling positions of.

The assembly opening is also provided with a trademark panel used for printing a product trademark in a press assembly mode, side buckles used for being clamped into the clamping grooves of the shell are formed on two side surfaces of the trademark panel, side clamping grooves with downward openings are formed between the side buckles and the side surfaces of the trademark panel and used for clamping the shell buckles, side clamping jaws extending downwards and capable of elastically deforming and moving towards the inner side under pressure are formed on the two side surfaces of the trademark panel, and the side clamping jaws are matched with the bottom surfaces of the shell buckles in an anti-falling positioning mode.

Four socket modules are arranged in the assembly opening; the label panel, the bipolar switch assembly and the four jack modules are arranged in the assembly opening in sequence from front to back.

The bipolar switch assembly is clamped and installed in an assembling port of the shell in a press-assembling mode and comprises a switch panel and a bipolar switch installed in the switch panel, a transparent panel cover used for conveniently and manually pressing the bipolar switch is arranged on the switch panel, panel buckles used for being clamped in clamping grooves of the shell are formed on two side faces of the switch panel, and openings downward for enabling the shell buckles to be clamped in matched panel clamping grooves are formed between the panel buckles and the side faces of the switch panel; two side surfaces of the switch panel are also formed with anti-falling claws which extend downwards and can elastically deform and move inwards under pressure; the anti-drop jack catch is matched with the anti-drop positioning of the bottom surface of the shell buckle.

Compared with the prior art, the socket module is an IEC C13 two-hole socket module formed by assembling a two-hole panel and a two-hole bottom plate in a snap fit mode, and the two-hole panel and the two-hole bottom plate are assembled in a snap fit mode by matching a formed clamping head with a buckling head anti-falling hook. The invention not only assembles the socket module in a snap-fit mode, but also installs the socket module on the socket shell, and installs the bipolar switch assembly, the trademark panel and the clapboard on the socket shell in a snap-fit mode. Therefore, the socket is extremely simple to assemble, very convenient to operate, high in assembling speed and efficiency, and labor-saving and time-saving. Particularly, the socket shell is made of aluminum alloy, so that the socket is light in weight, good in strength and strong in metal feeling, and the surface of the socket can be made into various colors through electroplating, so that the overall appearance of the socket can be more novel and attractive.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a front view structural diagram of the present invention;

FIG. 3 is a bottom view of the present invention;

figure 4 is an exploded schematic view of the jack module of the present invention;

fig. 5 is a schematic view of an assembled structure of the jack module of the present invention;

FIG. 6 is an enlarged partial view taken at I in FIG. 5;

FIG. 7 is a schematic view of the snap-fit connection of the receptacle module of the present invention to the housing;

FIG. 8 is a schematic cross-sectional view of the housing of the present invention;

FIG. 9 is an enlarged partial schematic view taken at II in FIG. 7;

FIG. 10 is a schematic perspective view of a separator according to the present invention;

FIG. 11 is a schematic perspective view of a label panel according to the present invention;

fig. 12 is a schematic perspective view of the switch panel of the present invention.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to 12 are schematic structural views of the present invention.

Wherein the reference numerals are: an arc-shaped surface A1, a guide inclined surface A2, a buckle head inclined surface B1, a wedge-shaped inclined surface B2, a wire buckle K, a shell 1, an assembly opening 1a, an assembly hole 1B, a long strip opening 1c, a shell buckle 11, a shell clamping groove 12, a convex rib 13, a bipolar switch component 2, a switch panel 21, a panel buckle 211, an anti-falling claw 213, a bipolar switch 22, a panel cover 23, a socket module 3, a two-hole panel 31, an elastic claw 311, a buckle head 312, a socket buckle 313, a socket clamping groove 314, an anti-falling claw 315, a claw head 316, a two-hole bottom plate 32, an electric sheet clamping groove 32a, a buckle groove 321, a clamp head 322, a guide convex block 323, a power wire 4, a conductive sheet 5, an L-pole conductive sheet 51, an N-pole conductive sheet 52, an E-pole grounding sheet 53, a screw 6, a kidney-shaped hole 7a, a wire passing hole 7B, a front iron sealing plate 71, a rear iron sealing plate 72, Side catches 91 and side claws 93.

In the prior art, in various PDU sockets in the market, socket modules are formed by assembling a panel and a bottom plate by screws and the like, the assembling method is time-consuming and labor-consuming, and the assembling efficiency is not high. The invention provides a PDU socket which is simple to assemble, convenient to operate, labor-saving and time-saving. The double-pole switch comprises an elongated socket housing 1 with a cross section in a 'V' shape, a double-pole switch assembly 2 and a plurality of socket modules 3 which are arranged in the housing 1 in a line. The shell 1 is made of aluminum alloy materials, the shell 1 made of aluminum alloy is light in weight, good in strength and strong in metal feeling, and the surface of the shell 1 can be made into various colors through electroplating, so that the appearance of the PDU socket can be enabled, and the PDU socket can be more novel and attractive on the whole. The front end of the shell 1 of the PDU socket is led out with a power line 4 connected with an external power supply, the power line 4 is a three-core power line, the three cores are distinguished by different colors, and the three cores are respectively an L-pole wire, an N-pole wire and an E-pole wire. The three-core wires in the power line 1 are respectively and correspondingly electrically connected with the three conducting strips 5 which are arranged in the socket module 3 in a penetrating way.

The socket module 3 is characterized in that the two-hole panel 31 and the two-hole bottom panel 32 are assembled in a snap fit manner to form the IEC C13 two-hole socket module. The two-hole panel 31 and the two-hole bottom plate 32 are assembled in a snap-in mode, so that the assembly is simple, and the assembly of the two can be completed without any special tool. For this, as shown in fig. 4, 5 and 6, two pairs of elastic claws 311 extending downward are symmetrically formed on the bottom surface of the two-hole panel 31, each pair having two elastic claws 311, for a total of four elastic claws 311. The elastic claw 311 has a certain elasticity and can be elastically deformed outward or inward by a pushing force, and the elastic claw 311 can be restored to its original state when the pushing force is lost. The bottom end of the elastic claw 311 is designed with a button head 312 which is directed outwards. Two sides of the bottom surface of the inner cavity of the two-hole bottom plate 32 are provided with fastening grooves 321 at positions opposite to the elastic claws 311, wherein the fastening grooves 321 can just enable the fastening heads 312 to be positioned and clamped in, and the elastic claws 311 can be limited to move in the front, back, left and right directions by the fastening grooves 321. Inward-oriented chucks 322 are formed on the inner walls of the two side surfaces of the two-hole bottom plate 32 above the fastening grooves 321, and the chucks 322 can be matched with the fasteners 312 clamped in the fastening grooves 321 in a hooking and unhooking manner, so that the two-hole panel 31 and the two-hole bottom plate 32 are assembled in a buckling manner.

In order to ensure the smooth assembly of the two-hole panel 31 and the two-hole bottom plate 32, as can be seen from fig. 6, the bottom of the button head 312 is formed with a rounded arc-shaped surface a1 and a button head inclined surface B1 connecting the arc-shaped surface a 1. The bottom surface of the inner cavity of the two-hole bottom plate 32 is designed with a guide projection 323, a guide inclined plane A2 is formed on the guide projection 323, and a wedge-shaped inclined plane B2 is formed on the chuck 322. When the two-hole panel 31 is pressed to assemble the two-hole panel 31 and the two-hole bottom plate 32, the fastening head inclined plane B1 of the fastening head 312 and the wedge-shaped inclined plane B2 on the chuck 322 form a wedge-shaped structure, and the wedge-shaped inclined plane B2 can convert the downward pressure of the two-hole panel 31 into a pushing force which horizontally pushes the elastic claw 311 to elastically deform inwards, so that the fastening head 312 of the elastic claw 311 can be forced to slide through the chuck 322 through the sliding fit of the fastening head inclined plane B1 and the wedge-shaped inclined plane B2. The guiding slant surface a2 on the guiding protrusion 323 can slide and guide to match with the arc surface a1 of the button head 312, so that the button head 312 of the elastic claw 311 slides into the button slot 321 of the two-hole bottom plate 32 smoothly.

In the embodiment shown in fig. 1, the three conductive sheets 5 of the present invention include an L-pole conductive sheet 51, an N-pole conductive sheet 52 and an E-pole ground sheet 53. The plurality of socket modules 3 are fixedly connected into a whole through three conducting strips 5 to form an inseparable socket module group; three electric sheet clamping grooves 32a are respectively formed at the front end and the rear end of the two-hole bottom plate 32, and the electric sheet clamping grooves 32a can position and clamp the penetrating electric sheets 5 and prevent the two adjacent electric sheets 5 from being short-circuited.

The socket module 3 of the present invention is snap-fitted to the housing 1 by pressing. As shown in fig. 7 and 8, two side surfaces of the housing 1 are bent inward and downward at the upper end opening to form an assembly opening 1a, housing catches 11 extending upward are formed on two side walls of the assembly opening 1a, and housing catching grooves 12 opening upward are formed between the housing catches 11 and the side walls of the assembly opening 1 a. As can be seen from fig. 5 of the present invention, the upper plate of the two-hole panel 31 extends towards two sides to form a convex edge, and three sections of socket fasteners 313 extending downwards are formed at the edge of the convex edge, and the socket fasteners 313 are used for being inserted into or being snapped into the housing slots 12 of the housing 1 during assembly. A socket card slot 314 for the housing card 11 to be inserted is formed between the socket card 313 and the side surface of the two-hole panel 31. And a hanging anti-falling claw 315 is formed between two adjacent socket buckles 313 on the bottom surface of the convex edge, and the anti-falling claw 315 is not only arranged between the two socket buckles 313, but also is closer to the side surface of the two-hole panel 31. The anti-slip claw 315 can be elastically attached to the side surface of the two-hole panel 31 when being pressed by the pushing force of the housing buckle 11 during press-fitting; so that the receptacle module 3 can be press-fitted into the fitting opening 1a of the housing 1 by the mutual fitting of the receptacle latch 313 and the housing latch 12 and the receptacle latch 314 and the housing latch 11, and the latch heads 316 of the retaining latches 315 are positioned and fitted to the bottom surface of the housing latch 11.

As shown in fig. 1 and 8, a rib 13 with a fitting hole 1b is correspondingly formed on the inner wall of each of the two side surfaces of the housing 1 of the present invention, and a strip opening 1c communicating with the fitting hole 1b is axially formed on the rib 13. The long opening 1c can enable the aperture of the assembly hole 1b to deform under the action of a screw, so that the firmness of connection is ensured. A front iron sealing plate 71 is fixedly mounted at the front port of the shell 1 through screw matching of the screw 6 and the assembly hole 1b, and a rear iron sealing plate 72 is fixedly mounted at the rear port of the shell 1 through screw matching of the screw 6 and the assembly hole 1 b. The front iron sealing plate 71 and the rear iron sealing plate 72 are both in an inverted-L-shaped structure, and a horizontal plate of the front iron sealing plate 71 and a horizontal plate of the rear iron sealing plate 72 are both provided with a waist-shaped hole 7a for conveniently fixing or hanging the PDU socket.

In the embodiment of the invention, the longitudinal plate of the front iron sealing plate 71 is provided with a wire passing hole 7b for allowing the power wire 4 to pass through, a wire buckle K for preventing the power wire 4) from being pulled off is fixedly clamped in the wire passing hole 7b, and the power wire 4 is sleeved in the wire buckle K in a penetrating manner.

In the embodiment, the spacer 8 is inserted between the rear iron sealing plate 72 and the receptacle module 3, and the spacer 8 is also snap-fitted into the fitting opening 1a of the housing 1 by press-fitting. As can be seen from fig. 10, the two side surfaces of the partition 8 are formed with partition buckles 81 for being snapped into the housing snap grooves 12, partition snap grooves 82 having downward openings for snapping the housing snaps 11 are formed between the partition buckles 81 and the side surfaces of the partition 8, and the two side surfaces of the partition 8 are formed with partition claws 83 capable of elastically deforming and moving inward under pressure, and the partition claws 83 are positioned and matched with the bottom surfaces of the housing snaps 11 in a retaining manner.

As shown in fig. 2, a trademark panel 9 is further installed in the housing 1 of the present invention, and the trademark panel 9 is used for printing a trademark of a product so as to facilitate users to understand the brand, power, voltage used, etc. of the product. The label panel 9 is also snap-fitted in the fitting opening 1a of the housing 1 in a press-fitting manner. As shown in fig. 11, side surface buckles 91 for being clamped into the housing buckles 12 are formed on both side surfaces of the trademark panel 9, side surface buckles with openings downward for clamping the housing buckles 11 are formed between the side surface buckles 91 and the side surfaces of the trademark panel 9, side surface claws 93 which extend downward and can elastically deform and stick to the side surfaces of the trademark panel under pressure are formed on both side surfaces of the trademark panel 9, and the side surface claws 93 are matched with the bottom surfaces of the housing buckles 11 in a locking and positioning way.

In the embodiment, as shown in fig. 2, four outlet modules 3 are mounted in the assembly opening 1a of the present invention. The above-described brand panel 9, the bipolar switch assembly 2 and the four receptacle modules 3 are arranged in the assembly opening in this order from front to back.

As shown in fig. 12, the bipolar switch assembly 2 of the present invention is also snap-fitted in the fitting port 1a of the housing 1 in a press-fitting manner, and the bipolar switch assembly 2 includes a switch panel 21 and a bipolar switch 22. The switch panel 21 is formed with a switch mounting cavity for positioning and mounting the bipolar switch 22, the bipolar switch 22 is snap-fitted in the switch mounting cavity of the switch panel 21, the switch mounting cavity has an upper opening, and a panel cover 23 for pressing the bipolar switch 22 is slidably provided on the upper opening of the switch panel 21 up and down in order to prevent dust from entering the switch mounting cavity and to improve the convenience of pressing the bipolar switch 22. The panel cover 23 is made of a transparent material. The invention relates to a switch panel, which is characterized in that panel buckles 211 clamped in a shell clamping groove 12 are formed on two side surfaces of a switch panel 21, and a panel clamping groove with a downward opening for clamping a shell buckle 11 is formed between the panel buckles 211 and the side surfaces of the switch panel 21; anti-falling claws 213 which extend downwards and can elastically deform and move inwards under pressure are formed on two side surfaces of the switch panel 21; the anti-falling claw 213 is matched with the bottom surface of the shell buckle 11 in an anti-falling positioning way.

The advantage of the invention is that the bipolar switch assembly 2, the socket module 3, the spacer 8 and the trade panel 9 are all snap-fitted in the fitting opening 11 of the housing 1 in a press-fit manner. Meanwhile, the receptacle module 3 is assembled by the two-hole panel 31 and the two-hole bottom plate 32 in a snap-fit manner. Therefore, the PDU socket installation method of the invention is simple and convenient, easy to operate, labor-saving and time-saving, and can improve the production efficiency of the socket to the utmost extent.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.

Claims

1. A PDU socket comprises a strip-shaped socket shell (1) with a cross section in a "" character structure, a bipolar switch assembly (2) and a plurality of socket modules (3), wherein the bipolar switch assembly and the socket modules are arranged in the shell (1) in a row, a power line (4) for connecting with an external power supply is led out from the front end of the shell (1), and the power line (1) is electrically connected with three conducting strips (5) penetrating through the socket modules (3); the method is characterized in that: the socket module (3) is an IEC C13 two-hole socket module formed by assembling a two-hole panel (31) and a two-hole bottom plate (32) in a snap fit manner, two pairs of elastic claws (311) extending downwards are symmetrically formed on the bottom surface of the two-hole panel (31) in a left-right mode, the bottom end of the elastic claw (311) is provided with a fastening head (312) with an outward direction, two sides of the bottom surface of the inner cavity of the two-hole bottom plate (32) are provided with a buckle groove (321) which just enables the buckle head (312) to be positioned and clamped in at the position opposite to the elastic claw (311), the inner walls of the two side surfaces of the two-hole bottom plate (32) are provided with inward-direction clamping heads (322) above the buckling grooves (321), the clamping head (322) is matched with the buckling head (312) clamped into the buckling groove (321) in an anti-falling hooking mode to achieve buckling type assembly between the two-hole panel (31) and the two-hole bottom plate (32).

2. The PDU receptacle of claim 1, wherein: a smooth arc-shaped surface (A1) and a buckle head inclined surface (B1) connected with the arc-shaped surface (A1) are formed at the bottom of the buckle head (312), a guide lug (323) which is convenient for the buckle head (312) to slide into the buckle groove (321) is designed on the bottom surface of the inner cavity, and a guide inclined surface (A2) which is used for sliding, guiding and matching with the arc-shaped surface (A1) of the buckle head (312) is formed on the guide lug (323); the clamping head (322) is provided with a wedge-shaped inclined surface (B2) which is used for being abutted against and matched with the buckling head inclined surface (B1) to force the elastic claw (311) to elastically deform inwards.

3. The PDU receptacle of claim 2, wherein: the three conducting strips (5) comprise an L-pole conducting strip (51), an N-pole conducting strip (52) and an E-pole grounding strip (53); the plurality of socket modules (3) are integrally connected through the three conducting strips (5) to form a socket module group; the front end and the rear end of the two-hole bottom plate (32) are respectively provided with three electric sheet clamping grooves (32a) for respectively positioning and clamping the three penetrating electric sheets (5).

4. A PDU socket according to claim 3, wherein: two side surfaces of an upper port of the shell (1) are inwards and downwards bent to form an assembly port (1a), shell buckles (11) extending upwards are formed on two side walls of the assembly port (1a), and a shell clamping groove (12) with an upward opening is formed between the shell buckles (11) and the side walls of the assembly port (1 a); the anti-dropping device is characterized in that convex edges are formed by extending the upper plate surface of the two-hole panel (31) towards two sides, three sections of socket buckles (313) which extend downwards and are used for being clamped into the shell clamping grooves (12) are formed at the edges of the convex edges, socket clamping grooves (314) which are used for clamping the shell buckles (11) are formed between the socket buckles (313) and the side surfaces of the two-hole panel (31), hanging anti-dropping clamping jaws (315) are further formed between two adjacent socket buckles (313) on the bottom surfaces of the convex edges, and the anti-dropping clamping jaws (315) can be elastically attached to the side surfaces of the two-hole panel (31) under the extrusion of the shell buckles (11) during assembly; the socket module (3) is clamped in an assembly opening (1a) of the shell (1) in a press assembly mode through the mutual matching of the socket buckle (313) and the shell buckle (12) and the mutual matching of the socket buckle (314) and the shell buckle (11), and the claw head (316) of the anti-falling claw (315) is in anti-falling positioning matching with the bottom surface of the shell buckle (11).

5. The PDU receptacle of claim 4, wherein: the inner walls of the two side surfaces of the shell (1) are correspondingly provided with a convex rib (13) with an assembly hole (1b), and the convex rib (13) is axially provided with a long opening (1c) communicated with the assembly hole (1 b); a front iron sealing plate (71) is fixedly installed at the front port of the shell (1) through the matching of a screw (6) and the assembly hole (1b), and a rear iron sealing plate (72) is fixedly installed at the rear port of the shell (1) through the matching of the screw (6) and the assembly hole (1 b); the front iron sealing plate (71) and the rear iron sealing plate (72) are of inverted L-shaped structures, and waist-shaped holes (7a) used for conveniently fixing or hanging the PDU socket are formed in the horizontal plate of the front iron sealing plate (71) and the horizontal plate of the rear iron sealing plate (72).

6. The PDU receptacle of claim 5, wherein: the front iron sealing plate (71) is provided with a wire passing hole (7b) for allowing the power wire (4) to pass through on a longitudinal plate, a wire buckle (K) for preventing the power wire (4) from being pulled off is fixedly clamped in the wire passing hole (7b), and the power wire (4) is sleeved in the wire buckle (K) in a penetrating manner.

7. The PDU receptacle of claim 6, wherein: back iron shrouding (72) and socket module (3) between the pad be furnished with baffle (8), baffle (8) with press the mode snap-fit of assembly install in assembly opening (1a) of shell (1), the both sides face shaping of this baffle (8) has baffle buckle (81) that are arranged in the card to go into in shell draw-in groove (12), the shaping has opening downwards to be used for making baffle draw-in groove (82) that shell buckle (11) were gone into between the side of this baffle buckle (81) and baffle (8) to the both sides face of baffle (8) still shaping has baffle jack catch (83) that can move to inboard elastic deformation under pressure, baffle jack catch (83) and the bottom surface location cooperation of anticreep of shell buckle (11).

8. The PDU receptacle of claim 7, wherein: the assembly opening (1a) in still the snap-fit install trade mark panel (9) that are used for the printing product trade mark with the mode of pressing the assembly, the both sides face of this trade mark panel (9) all the shaping has side buckle (91) that are used for going into in shell draw-in groove (12), the side of side buckle (91) and trade mark panel (9) the shaping have the opening downwards be used for making the side draw-in groove that shell buckle (11) were gone into to the both sides face of trade mark panel (9) still the shaping have side jack catch (93) that extend downwards and can move to the inboard elastic deformation under pressure, side jack catch (93) and the bottom surface anticreep location cooperation of shell buckle (11).

9. The PDU receptacle of claim 8, wherein: the assembling port (1a) is provided with four socket modules in all, and the trademark panel (9), the bipolar switch assembly (2) and the four socket modules (3) are sequentially arranged in the assembling port from front to back.

10. The PDU receptacle of claim 9, wherein: the bipolar switch assembly (2) is installed in an assembly opening (1a) of the shell (1) in a press assembly mode in a clamping mode, the bipolar switch assembly (2) comprises a switch panel (21) and a bipolar switch (22) installed in the switch panel (21), a transparent panel cover (23) used for conveniently and manually pressing the bipolar switch (22) is arranged on the switch panel (21), panel buckles (211) used for being clamped in the shell clamping grooves (12) are formed on two side faces of the switch panel (21), and an opening downward used for enabling the shell buckles (11) to be clamped in the matched panel clamping grooves is formed between the panel buckles (211) and the side faces of the switch panel (21); two side surfaces of the switch panel (21) are also provided with anti-falling claws (213) which extend downwards and can elastically deform and move inwards under pressure; the anti-falling claw (213) is matched with the bottom surface anti-falling positioning of the shell buckle (11).