CN221150346U

CN221150346U - Multifunctional combined socket

Info

Publication number: CN221150346U
Application number: CN202322743740.1U
Authority: CN
Inventors: 赵海荣
Original assignee: Yueqing Yihong Electronic Technology Co ltd
Current assignee: Yueqing Yihong Electronic Technology Co ltd
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2024-06-14
Anticipated expiration: 2033-10-12

Abstract

The utility model relates to a multifunctional combined socket, wherein a DC electric plug terminal assembly is arranged in a first slot of an insulating shell, a second functional socket terminal assembly is arranged in a second slot of the insulating shell, the DC electric plug terminal assembly comprises a DC contact pin, a first electrode pin, a second electrode terminal and a second electrode pin 24, the second electrode terminal comprises a cylindrical cage-shaped main body, a plurality of elastic sheets are circumferentially distributed on an annular base part of the cage-shaped main body, a plurality of elastic sheets are enclosed to form an elastically deformable plug jack, the elastic sheets radially protrude into the plug jack and are provided with conductive contact parts, plug pins are formed on the annular base part, the plug pins comprise axially extending inserting sheets, elastic clamping tongues are formed on the inserting sheets, an inserting hole positioned below the first slot is formed on the insulating shell, a clamping table is arranged in the inserting hole, the inserting sheets are inserted in the inserting hole, the elastic clamping tongues are clamped on the clamping table, and the annular base part is limited by a bottom stop of the first slot. The device has the advantages of simple and convenient processing, reliable work and long service life.

Description

Multifunctional combined socket

Technical Field

The utility model relates to a vehicle accessory, in particular to a socket which is used in a mixed mode in a vehicle and a household.

Background

The vehicle is very convenient for people to appear, and along with the improvement of the living standard of people, the trip frequency is increased, and the innovation of the function fittings of the vehicle is also greatly developed, such as a vehicle-mounted socket applied to the vehicle, and the technology is disclosed in the patent document with the patent application number of CN 202120557990.4. It still has the following drawbacks:

The DC interface is contacted and conducted after being plugged by a plug through a conductive ring arranged at the front part of the jack, the conductive ring is a metal ring and is in hard contact with the plug, in order to ensure the plugging tightness of the plug in production, the size of the conductive ring needs to be strictly controlled, the processing difficulty of a product is increased, and the plugging overtightening phenomenon tends to exist in the actual use of the product in the later period; after the plug is plugged and pulled for multiple times, the conductive ring is easy to wear, so that the phenomena of loose plug, poor contact and the like occur, and the service life of a product is influenced;

The electric connecting pins electrically connected with the conductive circular rings are fixed by the plastic shell in a coating way, so that the defect of inconvenient assembly of accessories exists; similarly, the electric connection pins connected with the conductive posts are also fixed by the plastic shell, which is inconvenient to process.

Disclosure of Invention

The utility model aims at: in order to overcome the defects in the prior art, the utility model provides the multifunctional combined socket which adopts the elastic contact type conductive piece, is simple and convenient to process, and is reliable in work and long in service life.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a many function combination socket, including insulating housing, be equipped with first slot and second slot on the insulating housing, first slot corresponds to be configured with DC electric plug terminal subassembly, and the second slot corresponds to be configured with second function socket terminal subassembly, DC electric plug terminal subassembly including fixing the DC contact pin in first slot center, the first electrode pin of being connected with the DC contact pin, second electrode terminal to and the second electrode pin of being connected with second electrode terminal, its characterized in that: the second electrode terminal comprises a cylindrical cage-type main body, the cage-type main body comprises an annular base, a plurality of elastic sheets are distributed on the annular base along the circumferential direction, an elastically deformable plug jack is formed by closing the plurality of elastic sheets, conductive contact parts are arranged in the elastic sheets in a protruding mode in the plug jack, plug pins are formed on the annular base and comprise axially extending plug sheets, elastic clamping tongues are formed on the plug sheets, plug holes located below the first slots are formed in the insulating shell, clamping tables are arranged in the plug holes, the plug sheets are inserted in the plug holes and are clamped on the clamping tables, and the annular base is limited by bottom stops of the first slots.

By adopting the technical scheme, the elastic piece of the second electrode terminal forms the plug jack capable of elastically deforming, so that the plug jack can elastically contact with the plug, a plurality of contact points are realized, the conductive contact is more stable and reliable, and meanwhile, the plug is more smooth to pull out and insert; the annular base is provided with the plug pin, and the second electrode terminal can be directly plugged into the insulating shell, so that the assembly is simple and convenient.

Preferably, the second electrode terminal is an annular component formed by curling a conductive sheet, gaps are formed between abutting edges of the annular component, the second electrode pins are integrally formed on the annular base, the extending direction of the second electrode pins is consistent with that of the inserting sheet, the root parts of the second electrode pins are formed with elastic clamping tongues, corresponding pin inserting holes for inserting the second electrode pins are formed in the insulating shell, the pin inserting holes penetrate through the insulating shell, and the clamping tables are arranged in the pin inserting holes. Under this structural design, the second electrode terminal is curled through conductive sheet and forms cyclic annular part, and second electrode pin direct shaping constitutes single part on the second electrode terminal, and whole machine-shaping is convenient moreover, and second electrode terminal simple to operate has the joint simultaneously to be fixed, guarantees that second electrode terminal installs reliably, and the clearance can be used to the second electrode terminal when assembling on the insulating casing, and the location of second electrode terminal on corresponding assembly jig.

Preferably, the mouth of the first slot is embedded with a protective ring positioned in front of the second electrode terminal. Under this structural design, be located the protection ring of the oral area of first slot, play when reducing the plug and pull out first slot, the risk that second electrode terminal was pulled out first slot, the protection ring of the oral area that is located first slot can be regarded as the decoration simultaneously, plays the decorative effect.

Preferably, the mouth of the first slot is provided with a step-shaped flaring, the outer circumferential side of the protection ring is in a step shape matched with the step-shaped flaring, so that the protection ring comprises a large-diameter end ring part and a small-diameter ring part, the lower end of the small-diameter ring part is provided with an annular flange which protrudes radially outwards to form a wedge shape, and the outer diameter of the annular flange is smaller than that of the large-diameter end ring part. Under this structural design, the guard ring is more firm reliable after the installation.

Preferably, the circumferential side wall of the first slot is concavely provided with a pin guiding groove which corresponds to the plugging hole position and is communicated with the plugging hole position, the pin guiding groove comprises a shallow groove for guiding the plugging piece and a deep groove for placing the elastic clamping tongue, and the depth of the deep groove is larger than that of the shallow groove. Under this structural design, realize the cartridge guide of grafting foot, easy to assemble, and deep groove and shallow slot design can reduce the grafting foot when the leading groove of participating in slides, and the elasticity deformation volume of elasticity block tongue by compression is convenient for the cartridge operation of grafting foot and protection elasticity block tongue.

Preferably, the first electrode pin comprises a fixed substrate and a pin sheet, wherein the fixed substrate and the pin sheet are distributed in an L shape, a pair of side walls, which are positioned on two lateral sides of the pin sheet, on the fixed substrate are concavely provided with positioning notches, the bottom of the insulating shell is provided with pin positioning grooves, the root parts of the DC pins are correspondingly arranged in the pin positioning grooves, a pair of walls of the pin positioning grooves are convexly provided with positioning convex points, the fixed substrate is arranged in the pin positioning grooves, fixedly connected with the root parts of the DC pins and electrically connected with the positioning convex points, and the positioning notches are in one-to-one positioning fit with the positioning convex points. Under this structural design, the fixed substrate of first electrode pin is arranged in the pin constant head tank and is realized location and insulation isolation, and the location bump inserts in the location notch, can effectively avoid first electrode pin slope, and convenient equipment operation just guarantees that first electrode pin is fixed firm reliable.

Preferably, the fixed root of the DC contact pin is provided with a radial protruding positioning base ring part, a step-shaped fixed jack is arranged at the bottom of the first slot, the mouth part of the fixed jack is a large-diameter hole cavity matched with the positioning base ring part, the fixed root of the DC contact pin is inserted into the fixed jack, and the positioning base ring part is inserted into the large-diameter hole cavity. Under the structural design, the DC contact pin is fixedly installed more stably and reliably through the positioning base ring part.

Preferably, the second slot is in a gourd shape, the second functional socket terminal assembly comprises an anode pin, a cathode pin and a cathode pin, the anode pin and the cathode pin are respectively arranged at the bottom of the insulating shell and are respectively correspondingly connected with the anode pin and the cathode pin, the fixed root parts of the anode pin and the fixed root parts of the cathode pin are respectively provided with a radial convex positioning base ring part, a step-shaped fixed jack is arranged at the bottom of the second slot, the mouth part of the fixed jack is a large-diameter hole matched with the positioning base ring part, the fixed root parts of the pins are inserted in the corresponding fixed jacks, the positioning base ring part is matched and inserted in the large-diameter hole, the anode pin and the cathode pin are respectively L-shaped and respectively comprise a fixed substrate and a pin sheet, the fixed substrates of the anode pin and the cathode pin are respectively provided with positioning notches, the bottoms of the insulating shell are respectively provided with pin positioning convex points matched with the anode pin and the cathode pin, one-to-one correspondence to the positioning convex points are arranged on a pair of walls of the pin positioning grooves, the fixed substrates are arranged in the pin positioning grooves, the positioning notches are correspondingly matched with the positioning convex points one-to-one,

Or the second slot is in a plum blossom shape surrounded by three concave holes, the second functional socket terminal assembly comprises an anode pin, a cathode pin, a grounding pin and a grounding pin, the anode pin, the cathode pin and the grounding pin are respectively and correspondingly arranged in the three concave holes, the anode pin, the cathode pin and the grounding pin are respectively arranged at the bottom of the insulating shell and are correspondingly connected with the anode pin, the cathode pin and the grounding pin, the fixed root parts of the anode pin, the fixed root parts of the cathode pin and the fixed root parts of the grounding pin are respectively provided with radial convex positioning base ring parts, the bottom of the second slot is provided with a step-shaped fixed jack, the mouth parts of the fixed jacks are large-diameter cavities matched with the positioning base ring parts, the fixed root parts of the various pins are inserted into the corresponding fixed jacks, the positioning base ring parts are matched with the large-diameter cavities,

The positive electrode pin, the negative electrode pin and the grounding pin are all L-shaped and comprise a fixed substrate and a pin sheet, the fixed substrate of the positive electrode pin, the fixed substrate of the negative electrode pin and the fixed substrate of the grounding pin are all provided with positioning notches, the bottom of the insulating shell is provided with pin positioning grooves matched with the positive electrode pin, the negative electrode pin and the grounding pin in a one-to-one correspondence manner, a pair of walls of the pin positioning grooves are convexly provided with positioning protruding points, the fixed substrate is placed in the pin positioning grooves, and the positioning notches are matched with the positioning protruding points in a one-to-one correspondence manner. Under the structural design, the AC function socket can be a gourd-shaped socket or a quincuncial plug design, more combination forms are provided, and the selection of customers is facilitated; and each pin and contact pin in the socket are fixed firmly and reliably, so that the service life of the socket is effectively prolonged.

Preferably, the cage main body is further provided with an upper end ring, two ends of the elastic piece are respectively connected with the upper end ring and the annular base, the middle part of the elastic piece protrudes inwards to form the conductive contact part, and the upper end ring moves along with deformation of the elastic piece. Under this structural design, the structure of second electrode terminal is simple, and machine-shaping is convenient.

The utility model is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a top view of a multifunctional composite socket according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an exploded view of a multifunctional composite socket according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of a multifunctional combined socket according to an embodiment of the present utility model;

FIG. 5 is a schematic view of an insulating housing according to an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a second embodiment of a multifunctional combined socket according to the present utility model;

Fig. 7 is an exploded view of a second multi-function modular jack according to an embodiment of the present utility model.

Detailed Description

Referring to fig. 1-5, the multifunctional combined socket disclosed by the utility model comprises an insulating shell 1, wherein a first slot 11 and a second slot 12 are arranged on the insulating shell 1, a plurality of elastic sheets 2312 are distributed on the annular base 2311 along the circumferential direction, a plurality of elastic sheets 2312 are arranged in a surrounding manner to form an elastically deformable plug jack 230, the elastic sheets 2312 are radially protruded into the plug jack 230, the cage main body 231 is further provided with an upper end ring 2313, two ends of the elastic sheets 2312 are respectively connected with the end ring 2313 and the annular base 2311, a middle protruding part of the elastic sheets 23162 is formed into an end ring 2311, the annular base 2312 is axially provided with a stop tab 2311, the elastic sheets 2311 are arranged on the annular base 2311, the annular base 2311 are axially arranged on the annular base 2311, the plug jack 2311 is provided with a stop tab 2311, the elastic sheet is arranged on the annular base 2311, and the annular base 2311 is provided with a plug jack 23113, and the elastic sheet is deformed into the annular base 2311, and the plug jack 2311 is arranged on the annular base 1.

The second electrode terminal 23 is curled by a conductive sheet to form an annular component, gaps 233 are formed between abutting edges of the annular component at intervals, the gaps 233 enable the second electrode terminal 23 to be better positioned on an assembly die, assembly operation is convenient, the second electrode pin 24 is integrally formed on the annular base 2311, the extending direction of the second electrode pin 24 is consistent with that of the inserting piece 2321, the root of the second electrode pin 24 is formed with the elastic clamping tongue 2322, the corresponding insulating shell 1 is provided with a pin jack 16 for inserting the second electrode pin 24, the pin jack 16 penetrates through the insulating shell 1, and the clamping table 131 is arranged in the pin jack 16. The second electrode terminal 23 is an annular component formed by curling a conductive sheet, the second electrode pin 24 is directly formed on the second electrode terminal 23 to form a single component, the whole processing and forming are convenient, the second electrode terminal 23 can be directly inserted into the first slot 11, the second electrode pin 24 passes through the pin jack 16 and penetrates out of the bottom of the insulating shell 1, the corresponding plug pin 232 is inserted into the insertion hole 13, the elastic clamping tongue 2322 is clamped into the clamping table 131, in one direction, the elastic clamping tongue 2322 and the clamping table 131 block, in the other direction, the annular base 2311 is stopped by the bottom wall of the first slot 11, the elastic clamping tongue 2322 is a turnover sheet formed by directly punching the sheet, the single component formed by the second electrode terminal 23 and the second electrode pin 24 is directly inserted into the first slot 11 to realize the installation, the installation is convenient, the installation is firm and reliable, and the second electrode pin 24 is simultaneously provided with clamping fixing, and the installation reliability of the second electrode terminal 23 is ensured.

Because the second electrode terminal 23 is fastened and fixed, in order to further protect the second electrode terminal 23, the mouth of the first slot 11 is embedded with a protection ring 3 positioned in front of the second electrode terminal 23. The protective ring 3 positioned at the mouth of the first slot plays a role in reducing the risk that the second electrode terminal 23 is pulled out of the first slot when the plug is pulled out of the first slot, and meanwhile, the protective ring 3 positioned at the mouth of the first slot can serve as a decoration piece to play a role in decoration.

In order to ensure that the mounting of the protection ring is firm and reliable, the mouth of the first slot 11 is provided with a step-shaped flaring 111, and the outer circumference side of the protection ring 3 is in a step shape matched with the step-shaped flaring 111, so that the protection ring 3 comprises a large-diameter end ring part 31 and a small-diameter ring part 32, the lower end of the small-diameter ring part 32 is provided with an annular flange 321 which protrudes radially outwards to form a wedge shape, and the outer diameter of the annular flange 321 is smaller than the diameter of the large-diameter end ring part 31. The design of the step-shaped flaring is convenient for embedding and positioning the protection ring, and the wedge-shaped annular flange realizes more reliable close fit of the protection ring.

The circumferential side wall of the first slot 11 is concavely provided with a pin guiding groove 112 corresponding to the position of the insertion hole 13 and communicated with the pin guiding groove 112, the pin guiding groove 112 includes a shallow groove 1121 for guiding the insert sheet 2321, and a deep groove 1122 for placing the elastic tongue 2322, and the depth of the deep groove 1122 is greater than that of the shallow groove 1121. The plug-in guiding of the plug-in pin is realized, the plug-in pin is convenient to install, and the design of the deep groove and the shallow groove can reduce the elastic deformation quantity of the compressed elastic clamping tongue when the plug-in pin slides in the pin guiding groove, so that the plug-in pin can be conveniently inserted and operated, and the elastic clamping tongue can be protected. Similarly, since the root of the second electrode pin 24 has the same structure as the socket pin, the circumferential side wall of the first slot also has the pin guiding groove 112 for guiding the second electrode pin 24.

In order to ensure that the whole product is reliable and the service life is prolonged, the utility model carries out the following further optimized design on the product:

The first electrode pin 22 comprises a fixed substrate II and a pin sheet III which are distributed in an L shape, a pair of side walls of the fixed substrate II, which are positioned on two lateral sides of the pin sheet III, are concavely provided with positioning notches IV, the bottom of the insulating shell 1 is provided with a pin positioning groove 14, the root parts of the DC pins 21 are correspondingly arranged in the pin positioning groove 14, a pair of walls of the pin positioning groove 14 are convexly provided with positioning convex points 141, the fixed substrate II is arranged in the pin positioning groove 14 and fixedly connected with the root parts of the DC pins 21 and is in conductive connection, and the positioning notches IV are in one-to-one corresponding positioning fit with the positioning convex points 141. The fixed substrate of first electrode pin is arranged in pin constant head tank 14 and realizes location and insulating isolation, and in the while location bump 141 inserts the location notch, can effectively avoid first electrode pin slope in pin constant head tank 14, later with DC contact pin 21 tip riveting, reach fixed connection fixed substrate, convenient equipment operation and guarantee that first electrode pin is fixed firm reliable. The connection of the DC pin 21 and the fixed substrate may also be by screw fastening.

In addition, the fixed root of the DC pin 21 has a radially protruding positioning base ring portion I, a stepped fixed insertion hole 15 is provided at the bottom of the first slot 11, the mouth of the fixed insertion hole 15 is a large-diameter hole cavity adapted to the positioning base ring portion I, the fixed root of the DC pin 21 is inserted into the fixed insertion hole 15, and the positioning base ring portion I is inserted into the large-diameter hole cavity. The DC contact pin 21 achieves a more stable and reliable fixed mounting via the positioning base ring portion.

In this embodiment, the second slot 12 is in a gourd shape, and the second functional socket terminal assembly includes an anode pin 41, an anode pin 42, a cathode pin 43 and a cathode pin 44, where the anode pin 42 and the cathode pin 44 are all disposed at the bottom of the insulating housing 1 and are respectively connected with the anode pin 41 and the cathode pin 43 correspondingly, so that the second functional socket terminal assembly is reliable, and the anode pin and the cathode pin both adopt the same structural design of the DC pin 21, specifically: the fixed root of the positive electrode contact pin 41 and the fixed root of the negative electrode contact pin 43 are respectively provided with a radial protruding positioning base ring part I, a stepped fixed jack 15 is arranged at the bottom of the second slot, the opening of the fixed jack 15 is a large-diameter cavity matched with the positioning base ring part I, the fixed root of each contact pin is inserted into the corresponding fixed jack 15, the positioning base ring part I is inserted into the large-diameter cavity, the positive electrode pin 42 and the negative electrode pin 44 are L-shaped and respectively comprise a fixed substrate II and a pin sheet III, the fixed substrate II of the positive electrode pin 42 and the fixed substrate II of the negative electrode pin 44 are respectively provided with a positioning notch IV, the bottom of the insulating housing is provided with pin positioning grooves 14 matched with the positive electrode pin and the negative electrode pin in a one-to-one correspondence manner, a pair of walls of the pin positioning grooves 14 are convexly provided with positioning convex points 141, the fixed substrate II is arranged in the pin positioning grooves 14, and the positioning notches IV are matched with the positioning convex points 141 in one-to-one correspondence manner.

Of course, as a possible solution of the present utility model, the second functional socket terminal may be selected according to needs, so as to implement different DC-AC combinations, as shown in fig. 6 and fig. 7, the second embodiment of the present utility model disclosed in the present utility model is different from the first embodiment in that the second functional socket terminal assembly and the corresponding mating structure are different, so that the details of the DC electrical plug terminal assembly with the same structure are not repeated.

The second slot 12 is in a plum blossom shape surrounded by three concave holes, the second functional socket terminal assembly comprises an anode pin 41, an anode pin 42, a cathode pin 43, a cathode pin 44, a grounding pin 45 and a grounding pin 46, the anode pin 41, the cathode pin 43 and the grounding pin 45 are respectively and correspondingly arranged in the three concave holes, the anode pin 42, the cathode pin 44 and the grounding pin 46 are respectively arranged at the bottom of the insulating shell 1 and are respectively and correspondingly connected with the anode pin 41, the cathode pin 43 and the grounding pin 45, the fixed root part of the anode pin 41, the fixed root part of the cathode pin 43 and the fixed root part of the grounding pin 45 are respectively provided with a radial convex positioning base ring part I, the bottom of the second slot 12 is provided with a step-shaped fixed jack 15, the mouth part of the fixed jack 15 is a large-diameter cavity matched with the positioning base ring part I, the fixed root parts of the pins are respectively inserted into the corresponding fixed jacks 15, the positioning base ring part I is matched with the large-diameter cavity,

The positive electrode pin 42, the negative electrode pin 44 and the grounding pin 46 are all L-shaped and comprise a fixed substrate II and a pin sheet III, the fixed substrate of the positive electrode pin 42, the fixed substrate of the negative electrode pin 44 and the fixed substrate of the grounding pin 46 are all provided with positioning notches IV, the bottom of the insulating shell is provided with pin positioning grooves 14 which are in one-to-one correspondence with the positive electrode pin, the negative electrode pin and the grounding pin, a pair of walls of the pin positioning grooves 14 are convexly provided with positioning protruding points 141, the fixed substrate is arranged in the pin positioning grooves 14, and the positioning notches IV are in one-to-one positioning matching with the positioning protruding points 141.

The combined socket has the following advantages: 1. the elastic piece of the second electrode terminal 23 forms an elastically deformable plug jack, a plurality of conductive contact points are arranged along the circumferential direction, the plug is held, and the advantages of elastic contact with the plug, more stable and reliable conductive contact, smoother plug pulling and inserting and long service life are realized.

The second electrode terminal is assembled on the insulating shell by adopting the plug-in connection, and has the advantage of simple and convenient assembly.

The second electrode terminal is clamped and fixed by a plurality of elastic clamping tongues distributed in the circumferential direction, and meanwhile, the protection ring is arranged to realize multiple anti-drop designs of the second electrode terminal, so that the socket is ensured to be safe and reliable to use. The pins (DC pins, positive pins, negative pins and grounding pins) in the socket are positioned by adopting the positioning base ring part, so that the positioning of the pins is more reliable; pins (a first electrode pin, a positive electrode pin and a negative electrode pin) which are fixedly connected with pins (a DC pin, a positive electrode pin, a negative electrode pin and a grounding pin) are positioned secondarily on the insulating shell by adopting a positioning notch, so that the positions of the pins are ensured to be accurate and reliable, and the working reliability and the service life of products are improved.

The protection ring simultaneously provides the decorative design position, is convenient for optimize the outward appearance of product, improves the competitiveness of product.

Claims

1. The utility model provides a many function combination socket, including insulating casing (1), be equipped with first slot (11) and second slot (12) on the insulating casing, first slot (11) correspond and are configured with DC electric plug terminal subassembly, second slot (12) correspond and are configured with second function socket terminal subassembly, DC electric plug terminal subassembly is including fixing DC contact pin (21) at first slot (11) center, first electrode pin (22) be connected with DC contact pin (21), second electrode terminal (23), and second electrode pin (24) be connected with second electrode terminal (23), its characterized in that: the second electrode terminal (23) include cylindric cage main part (231), cage main part (231) include cyclic annular basal portion (2311), cyclic annular basal portion (2311) along circumference distribution has a plurality of shell fragments (2312), a plurality of shell fragments (2312) enclose and draw in and form elastically deformable plug jack (230), radial protruding in plug jack has conductive contact portion (23121) shell fragment (2312), cyclic annular basal portion (2311) is last to be formed with grafting foot (232), grafting foot (232) include axial extension's inserted sheet (2321), the shaping has elasticity tongue (2322) on inserted sheet (2321), be equipped with on the insulating casing and be located cartridge hole (13) of first slot (11) below, have cassette (131) in cartridge hole (13), inserted sheet (2321) cartridge is in cartridge hole (13), elasticity tongue (2322) joint is on cassette (131), cyclic annular basal portion (2311) is spacing through the bottom backstop of first slot (11).

2. The multiple function combination receptacle of claim 1, wherein: the second electrode terminal (23) is an annular component formed by curling a conductive sheet, gaps (233) are formed between abutting edges of the annular component, the second electrode pin (24) is integrally formed on the annular base (2311), the extending direction of the second electrode pin (24) is consistent with that of the inserting sheet (2321), the root of the second electrode pin (24) is formed with the elastic clamping tongue (2322), the insulating shell (1) is correspondingly provided with a pin jack (16) for inserting the second electrode pin (24), the pin jack (16) penetrates through the insulating shell (1), and the clamping table (131) is arranged in the pin jack (16).

3. The multiple function combination receptacle of claim 1, wherein: the mouth of the first slot (11) is embedded with a protective ring (3) positioned in front of the second electrode terminal (23).

4. A multi-function combination receptacle according to claim 3, wherein: the mouth of the first slot (11) is provided with a step-shaped flaring (111), the outer circumference side of the protection ring (3) is in a step shape matched with the step-shaped flaring (111), so that the protection ring (3) comprises a large-diameter end ring part (31) and a small-diameter ring part (32), the lower end of the small-diameter ring part (32) is provided with an annular flange (321) which protrudes outwards radially to form a wedge shape, and the outer diameter of the annular flange (321) is smaller than the diameter of the large-diameter end ring part (31).

5. The multiple function combination receptacle of claim 1, wherein: the circumferential side wall of the first slot (11) is concavely provided with a pin guide groove (112) which corresponds to the position of the insertion hole (13) and is communicated with the position of the insertion hole, the pin guide groove (112) comprises a shallow groove for guiding an inserting sheet and a deep groove (1122) for placing an elastic clamping tongue, and the depth of the deep groove (1122) is larger than that of the shallow groove (1121).

6. The multiple function combination receptacle of claim 1, wherein: the first electrode pin (22) comprises a fixed substrate (II) and a pin sheet (III) which are distributed in an L shape, a pair of side walls, which are positioned on two lateral sides of the pin sheet (III), of the fixed substrate (II) are concavely provided with positioning notches (IV), the bottom of the insulating shell (1) is provided with pin positioning grooves (14), the root parts of the DC pins (21) are correspondingly arranged in the pin positioning grooves (14), a pair of walls of the pin positioning grooves (14) are convexly provided with positioning convex points (141), the fixed substrate (II) is arranged in the pin positioning grooves (14) and fixedly connected with the root parts of the DC pins (21) in a conductive connection mode, and the positioning notches (IV) are in one-to-one corresponding positioning fit with the positioning convex points (141).

7. The multiple function combination receptacle of claim 1, wherein: the DC contact pin (21) is characterized in that the fixed root part of the DC contact pin (21) is provided with a radial protruding positioning base ring part (I), a step-shaped fixed insertion hole (15) is formed in the bottom of the first slot (11), the opening part of the fixed insertion hole (15) is a large-diameter cavity matched with the positioning base ring part (I), the fixed root part of the DC contact pin (21) is inserted into the fixed insertion hole (15), and the positioning base ring part (I) is inserted into the large-diameter cavity.

8. The multiple function combination receptacle of claim 1, wherein: the second slot (12) is in a gourd shape, the second functional socket terminal assembly comprises an anode contact pin (41), an anode pin (42), a cathode contact pin (43) and a cathode pin (44), the anode pin (42) and the cathode pin (44) are respectively arranged at the bottom of the insulating shell (1) and are respectively correspondingly connected with the anode contact pin (41) and the cathode contact pin (43), the fixed root parts of the anode contact pin (41) and the cathode contact pin (43) are respectively provided with a radial protruding positioning base ring part (I), a step-shaped fixed jack (15) is arranged at the bottom of the second slot (12), the opening part of the fixed jack (15) is a large-diameter cavity matched with the positioning base ring part (I), the fixed root parts of the contact pins are respectively inserted into the corresponding fixed jacks (15), the positioning base ring parts (I) are respectively in L-shaped, the positioning base ring parts are respectively provided with a fixed substrate (II) and a pin (III), the fixed root parts of the anode contact pin (42) and the cathode contact pin (44) are respectively provided with a notch (14) of the insulating shell (14) which are matched with the fixed base plate (42), a pair of walls of the pin positioning groove (14) are convexly provided with positioning convex points (141), the fixed substrate (II) is arranged in the pin positioning groove (14), the positioning notches (IV) are in one-to-one corresponding positioning fit with the positioning convex points (141),

Or the second slot (12) is in a plum blossom shape surrounded by three concave holes, the second functional socket terminal assembly comprises an anode pin (41), an anode pin (42), a cathode pin (43), a cathode pin (44), a grounding pin (45) and a grounding pin (46), the anode pin (41), the cathode pin (43) and the grounding pin (45) are respectively and correspondingly arranged in the three concave holes, the anode pin (42), the cathode pin (44) and the grounding pin (46) are respectively arranged at the bottom of the insulating shell (1) and are respectively and correspondingly connected with the anode pin (41), the cathode pin (43) and the grounding pin (45), the fixed root parts of the anode pin (41), the cathode pin (43) and the grounding pin (45) are respectively provided with radial convex positioning base ring parts (I), the bottom of the second slot (12) is provided with step-shaped fixed insertion holes (15), the mouth parts of the fixed insertion holes (15) are matched with the large base ring parts (I) and the positioning base ring parts, the large insertion holes (I) are respectively matched with the large insertion holes (I) and the large insertion holes (II) and the large insertion holes (44) are respectively arranged in the corresponding base plate(s) and the large insertion holes (I) and the large insertion holes (44), the fixed substrate (II) of anodal pin (42), fixed substrate (II) of negative pole pin (44) and fixed substrate (II) of ground connection pin (46) all are equipped with location notch (IV), insulating housing's bottom be equipped with anodal pin (42), negative pole pin (44), ground connection pin (46) one-to-one complex pin constant head tank (14), protruding be equipped with location bump (141) on the wall of a pair of pin constant head tank (14), fixed substrate (II) are arranged in pin constant head tank (14), location notch (IV) and location bump (141) one-to-one location cooperation.

9. The multiple function combination receptacle of claim 1, wherein: the cage main body is also provided with an upper end ring (2313), two ends of the elastic piece (2312) are respectively connected with the upper end ring (2313) and the annular base, the middle part of the elastic piece (2312) is internally protruded to form the conductive contact part, and the upper end ring (2313) moves along with deformation of the elastic piece (2312).