CN202103194U - Convertible plug combination - Google Patents

Abstract

The utility model discloses a convertible plug combination, which comprises a plug seat body and a replaceable conversion plug arranged at the bottom end of the plug seat body, wherein the plug seat body is provided with a first accommodating space, the plug seat body also comprises a circuit component and a plurality of conductive terminals which are electrically connected with the circuit component and are accommodated in the first accommodating space; the conversion plug comprises an insulating body provided with a second accommodating space and a plurality of pins, wherein the top ends of the pins extend into the second accommodating space, and the bottom ends of the pins extend out of the bottom end of the insulating body; each conductive terminal is provided with a contact part which extends out of the first accommodating space and extends into the second accommodating space so as to be electrically contacted with the pin. Thereby the utility model discloses not only small in size, but also portable deposits, and is spacing good, change easily moreover, can promote convenience and security on the consumer uses.

Description

Convertible plug combination

technical field

The utility model relates to a switchable plug combination, in particular to a switchable plug combination with simple structure and low cost.

Background technique

The current international electrical standards are inconsistent, and the electrical plugs and power sockets in most countries and regions cannot achieve a unified standard, so that electrical appliances from one country or region cannot be used in another country or region because the plugs and sockets do not match. use. With the needs of the development of international business and cultural exchanges, many household or portable electrical products are more and more commonly used in different regions of the world. Therefore, in order to facilitate travellers, a variety of convertible plug combinations have been introduced on the market. Common convertible plug combinations include a plug base and multiple convertible plugs of different standards. The clamping piece fixes it. The disadvantage of this connection is that the force point is relatively small. When the elastic clamping piece is damaged, the two can no longer be fixed, which will affect the normal charging, and may even cause serious accidents such as electric leakage and electric shock. security incident.

Utility model content

The utility model aims at providing a switchable plug combination with a simple structure and cost saving in view of the defects in the above-mentioned background technology.

To achieve the above purpose, the utility model discloses a convertible plug assembly, which includes a plug base body and a replaceable conversion plug arranged at the bottom end of the plug base body, and a first accommodating space, the plug base body also includes a circuit assembly, and a plurality of conductive terminals electrically connected with the circuit assembly and accommodated in the first accommodating space; the conversion plug includes a second accommodating space an insulating body, and a plurality of pins, the top ends of the pins protrude into the second receiving space, and the bottom ends of the pins protrude from the bottom end of the insulating body; each conductive terminal has a protruding The contact portion protrudes into the first receiving space and extends into the second receiving space to be in electrical contact with the pin.

Further, the bottom surface of the plug seat body is concavely provided with a receiving groove with an opening facing backward, and a plurality of through grooves communicating with the first receiving space are provided on the top wall of the receiving groove, and the insulating body The top end of the top is provided with a supporting part accommodated in the receiving groove, the second receiving space extends to the supporting part and vertically passes through the supporting part, and the contact part passes through the through groove to extend out of the first A containing space is electrically connected with the pins.

Further, the conductive terminal has a base extending laterally, a bent portion formed by bending one end of the base downward, a connecting portion formed by bending the opposite end of the base upward, and a The lower end of the bent part extends to form a contact part, the base part and the connecting part are accommodated in the first receiving space, the connecting part is electrically connected to the circuit assembly, and the bent part partially passes through the through-hole The slot protrudes from the first receiving space, and the contact part passes through the through slot to protrude from the first receiving space to be electrically connected with the pin.

Further, the base of each conductive terminal is provided with a positioning hole penetrating the base, and the bottom wall of the first receiving space protrudes inwards with a number of positioning blocks positioned in the positioning holes; the contact portion The free end of the free end extends obliquely upwards and then extends forward to form a fixing part, and the fixing part is against the bottom wall of the first receiving space.

Further, the plug base body also includes an upper cover and a lower cover matched with the upper cover, the first receiving space is formed between the upper cover and the lower cover, and the receiving groove is formed by the lower cover. The bottom surface of the cover is concavely formed, and the front end of the receiving groove is provided with an elastic arm that can move up and down, and the elastic arm is provided with a buckle groove with an opening facing the insulating body; There is a buckle part matched with the buckle groove.

Further, the front end of the bottom wall of the storage tank is provided with two first through grooves communicating with the first storage space and extending forward to the front wall of the storage tank, and the bottom surface of the upper cover is provided with an extending A second through-slot connected to the front wall of the storage tank and communicating with the first storage space, and two connecting slots respectively communicating with the first through-slot and the second through-slot are provided on the front wall of the storage tank. groove; correspondingly, the part sandwiched between the two first through grooves is the elastic arm, the part sandwiched between the two connecting grooves is the connecting arm, and the bottom end of the connecting arm extends forward to form a As for the pressing part that moves up and down, the elastic arm is provided with a clamping block protruding downwards and extending laterally, and the locking groove is formed between the clamping block and the connecting arm.

Further, the clamping block is provided with a sliding guide surface that smoothly connects the rear end surface of the clamping block and the bottom wall of the receiving groove.

Further, the conversion plug also includes a cover piece that is covered on the second storage space and accommodated in the storage groove. The first opening corresponding to the position of the part, the cover is also provided with a number of second openings that pass through the cover and communicate with the through groove; the clamping block passes through the first opening to be clamped on the On the support portion, the contact portion extends into the second receiving space through the second opening to electrically contact with the top end of the pin.

Further, the contact portion is U-shaped lying down, the contact portion has an open end and a closed end, and a contact point is formed at the closed end of the contact portion; the contact portion passes through the through groove Extending out of the first receiving space and passing through the second opening into the second receiving space to be in electrical contact with the top of the pin, the contact point is electrically connected with the top of the pin.

In summary, the utility model convertible plug assembly is provided with a plug base, a replaceable conversion plug disposed at the bottom of the plug base, a conductive terminal extending out of the first storage space, and accommodated in the second storage space. The pins in the space and in electrical contact with the conductive terminals are not only small in size, easy to carry and store, but also have good positioning and easy replacement, which can improve the convenience and safety of consumers.

Description of drawings

Fig. 1 is the structural representation of a kind of embodiment of the utility model;

Fig. 2 is an exploded schematic view of the plug seat body of the present invention shown in Fig. 1;

Fig. 3 is an exploded schematic view of the conversion plug of the present invention shown in Fig. 1;

Fig. 4 is a schematic structural view of the lower cover of the utility model shown in Fig. 1;

Fig. 5 is the structural representation of the second embodiment of the utility model;

Fig. 6 is a schematic structural view of a third embodiment of the present invention;

Fig. 7 is a schematic structural diagram of a fourth embodiment of the present invention.

Detailed ways

In order to further understand the features, technical means, and specific objectives and functions of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to FIG. 1 and FIG. 2 , the convertible plug assembly 1 of the present invention includes a plug base body 10 and a replaceable conversion plug 20 disposed at the bottom of the plug base body 10 .

Please continue to refer to FIG. 1 and FIG. 2, the plug base body 10 includes a circuit assembly 11, a plurality of conductive terminals 12 electrically connected to the circuit assembly 11, an upper cover 13 and a Fitting lower cover 14. A substantially rectangular first receiving space 15 is formed between the upper cover 13 and the lower cover 14 . A bottom wall of the first receiving space 15 protrudes inwardly with a plurality of positioning blocks 151 . A bottom surface of the lower cover 14 is recessed to form a substantially rectangular receiving groove 16 with an opening facing backward. The top wall of the receiving groove 16 is provided with a plurality of through grooves 17 communicating with the first receiving space 15 . A front end of the receiving slot 16 is provided with an elastic arm 18 which can move up and down, and the elastic arm 18 is provided with a buckle slot 19 opening towards the conversion plug 20 . A front end of the bottom wall of the receiving groove 16 defines two first through grooves 101 communicating with the first receiving space 15 and extending forward to the front wall of the receiving groove 16 . A bottom surface of the upper cover 13 defines a second through slot 102 extending to a front wall of the receiving slot 16 and communicating with the first receiving space 15 . Two connection grooves (not shown) respectively communicating with the first through groove 101 and the second through groove 102 are disposed on the front wall of the receiving groove 16 . Correspondingly, the part sandwiched between the two first through slots 101 is the elastic arm 18, and the part sandwiched between the two connecting slots is the connecting arm (not shown in the figure). The bottom end of the connecting arm extends forward to form a pressing portion 103 with an area smaller than or equal to that of the second through slot 102 . The pressing part 103 can move up and down. A locking block 104 protruding downwards and extending laterally is disposed on the elastic arm 18 , and the locking slot 19 is formed between the locking block 104 and the connecting arm. The holding block 104 is provided with a sliding surface 105 smoothly connecting the rear end surface of the holding block 104 and the bottom wall of the receiving groove 16 .

Please continue to refer to FIG. 1 and FIG. 2, the conductive terminal 12 has a base portion 121 extending laterally, a bent portion 122 formed by bending one end of the base portion 121 downward, and a bending portion 122 formed by bending the opposite end of the base portion 121. The connecting portion 123 is bent upward, the contact portion 124 is formed by extending from the lower end of the bent portion 122 , and the fixing portion 125 is formed by extending upwardly and forwardly from the free end of the contact portion 124 . The base part 121 , the connecting part 123 and the fixing part 125 are accommodated in the first receiving space 15 . The connecting portion 123 is electrically connected to the circuit assembly 11 . The fixing portion 125 abuts against the bottom wall of the first receiving space 15 . The bending portion 122 partially passes through the through slot 17 to extend out of the first receiving space 15 . The contact portion 124 passes through the slot 17 to protrude from the first receiving space 15 to be electrically connected to the pin 22 . The base 121 of the conductive terminal 12 defines a positioning hole 1211 passing through the base 121 . The positioning block 151 of the plug base 10 is positioned in the positioning hole 1211 . In this embodiment, the contact portion 124 is U-shaped lying down and parallel to the base portion 121 . The contact portion 124 has an open end and a closed end. A contact point 1241 is formed at the closed end of the contact portion 124 . The contact portion 124 passes through the slot 17 to extend out of the first receiving space 15 .

Referring to FIGS. 1 to 4 , the conversion plug 20 includes an insulating body 21 with a second receiving space 211 , a plurality of prongs 22 electrically connected to the conductive terminals 12 , and a cover 23 . The second receiving space 211 is formed by a top surface of the insulating body 21 being recessed downward. A top end of the insulating body 21 is provided with a substantially rectangular support portion 24 received in the receiving groove 16 . The second receiving space 211 extends to the support portion 24 and vertically passes through the support portion 24 . A front end of the supporting portion 24 protrudes from a buckling portion 241 matched with the buckling groove 19 . The cover piece 23 covers the second receiving space 211 and is received in the receiving groove 16 . A front edge of the cover 23 is recessed with a first opening 231 corresponding to the position of the locking portion 241 . The cover piece 23 is further provided with a plurality of second openings 232 passing through the cover piece 23 and communicating with the through groove 17 . Top ends of the pins 22 protrude into the second receiving space 211 . Bottoms of the pins 22 protrude from the bottom of the insulating body 21 . In this embodiment, there are two conductive terminals 12, and three pins 22, wherein the pins 22 are arranged in a triangular shape and are flat, the two pins 22 at the rear end are arranged in parallel, and the pins 22 at the front end are arranged in parallel. The prongs 22 are located approximately in the middle of the rear prongs 22 .

Please continue to refer to FIG. 1 to FIG. 4 , when in use, the end of the conversion plug 20 provided with the buckle portion 241 is installed on the plug base 10 through the opening at the rear end of the receiving groove 16 . The conversion plug 20 moves forward until the buckle portion 241 is accommodated in the buckle slot 19 , and the contact point 1241 of the contact portion 124 extends into the second receiving space 211 through the second opening 232 In order to make electrical contact with the top of the pin 22 , the electrical connection between the plug base body 10 and the conversion plug 20 is established. At this time, the holding block 104 of the plug base 10 passes through the first opening 231 and is held on the supporting portion 24 . The plug base body 10 can be equipped with a plurality of different types of conversion plugs 20, so that different types of conversion plugs 20 can be replaced at any time to adapt to various types of power sockets. When wanting to replace the conversion plug 20, the user only needs to press the pressing part 103 downward, and the pressing part 103 drives the elastic arm 18 to move downward, so that the buckle part 241 is disengaged from the The buckle slot 19 and move outward beyond the holding block 104 , the electrical connection between the plug base 10 and the conversion plug 20 is released. Since the conversion plug 20 can be easily replaced, no matter in which country, as long as the conversion plug 20 is replaced, the charger can be used together to charge the rechargeable battery without worrying about different plug specifications or different standard voltages. The conversion plug 20 is small in size, and can carry a variety of conversion plugs 20 of different specifications to cooperate with the plug base body 10 at one time, which is quite convenient and easy to carry.

Please refer to FIG. 5 to FIG. 7 . FIG. 5 is a schematic structural diagram of a second embodiment of the convertible plug assembly 2 of the present invention. The structure of the convertible plug combination 2 of the utility model is similar to the structure of the convertible plug combination 1 of the first embodiment, the difference is that there are two pins 25 in the second embodiment, and the pins 25 are Cylindrical and arranged in parallel; the middle part of the lower end of the insulating body 21 protrudes downward with a columnar abutment portion 212, and the abutment portion 212 is provided with a vertically penetrating through the abutment portion 212 and connected with the second The accommodating cavity (not shown in the figure) of the accommodating space 211 , the pin 22 is partially accommodated in the accommodating cavity and protrudes the resisting portion 212 from the accommodating cavity. Fig. 6 is a schematic structural view of the third embodiment of the convertible plug assembly 3 of the present invention. The structure of the convertible plug combination 3 of the utility model is similar to the structure of the convertible plug combination 1 of the first embodiment, the difference is that there are three pins 26 in the third embodiment, and the pins 26 Arranged roughly in a triangle shape, the two pins 26 located at the rear end are roughly in the shape of a figure-eight; the two sides of the upper end surface of the insulating body 21 are recessed downwards to provide two concave holes for users to plug and unplug the convertible plug assembly 3 slot (not shown in the figure). Fig. 7 is a schematic structural view of the fourth embodiment of the convertible plug assembly 4 of the present invention. The structure of the convertible plug combination 4 of the utility model is similar to the structure of the convertible plug combination 1 of the first embodiment, the difference is that there are two pins 27 in the fourth embodiment, and the pins 27 It is flat and relatively arranged.

To sum up, the utility model convertible plug combination (1, 2, 3, 4) is provided with a plug base 10, a replaceable conversion plug 20 arranged at the bottom of the plug base 10, extending out the first The conductive terminals 12 in the storage space 15 and the pins (22, 25, 26, 27) that are accommodated in the second storage space 211 and are in electrical contact with the conductive terminals 12 are not only small in size, but also easy to carry and store , and the limit is good and the replacement is easy, which can improve the convenience and safety of consumers.

The above-mentioned embodiment only expresses one implementation mode of the present utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the scope of the present utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present utility model should be based on the appended claims.

Claims (9)

1. A convertible plug combination, which includes a plug base body and a replaceable conversion plug (20) arranged at the bottom end of the plug base body, characterized in that: the plug base body is provided with a first receiving space (15), the plug base body also includes a circuit assembly (11), and a number of conductive terminals (12) electrically connected to the circuit assembly (11) and accommodated in the first accommodation space (15) The conversion plug (20) includes an insulating body (21) with a second accommodation space (211), and several pins (22, 25, 26, 27), and the pins (22, 25, 26, 27 ) protrudes into the second receiving space (211), and the bottom ends of the pins (22, 25, 26, 27) protrude from the bottom end of the insulating body (21); each of the conductive The terminal (12) has a contact portion (124) protruding from the first receiving space (15) and extending into the second receiving space (211) to electrically contact the pins (22, 25, 26, 27). 2. The convertible plug assembly according to claim 1, characterized in that: the bottom surface of the plug seat body is concavely provided with a receiving groove (16) with the opening facing backward, and the top wall of the receiving groove (16) A plurality of through grooves (17) communicating with the first accommodation space (15) are provided on the top, and a support portion (24) accommodated in the accommodation groove (16) is provided on the top end of the insulating body (21) , the second receiving space (211) extends to the support portion (24) and vertically passes through the support portion (24), and the contact portion (124) passes through the through groove (17) to protrude The first receiving space (15) is electrically connected to the pins (22, 25, 26, 27). 3. The convertible plug combination according to claim 2, characterized in that: the conductive terminal (12) has a base (121) extending laterally, and a base (121) is formed by bending one end of the base (121) downward. The bending part (122), a connecting part (123) formed by bending the opposite end of the base part (121), and a contact part (124) formed by extending the lower end of the bending part (122), The base portion (121) and the connection portion (123) are accommodated in the first accommodation space (15), the connection portion (123) is electrically connected to the circuit assembly (11), and the bending portion (122 ) partially passes through the through groove (17) to protrude from the first receiving space (15), and the contact portion (124) passes through the through groove (17) to protrude from the first accommodating space (15) It is electrically connected with the pins (22, 25, 26, 27). 4. The convertible plug combination according to claim 3, characterized in that: the base (121) of each conductive terminal (12) is provided with a positioning hole (1211) passing through the base (121), so that The bottom wall of the first receiving space (15) protrudes inwards and is provided with a number of positioning blocks (151) positioned in the positioning holes (1211); the free end of the contact part (124) extends obliquely upwards and then extends forward A fixing part (125) is formed, and the fixing part (125) abuts against the bottom wall of the first receiving space (15). 5. The convertible plug combination according to claim 2, characterized in that: the plug base further comprises an upper cover (13) and a lower cover (14) matched with the upper cover (13), The first receiving space (15) is formed between the upper cover (13) and the lower cover (14), and the receiving groove (16) is formed by recessing the bottom surface of the lower cover (14). The front end of the receiving groove (16) is provided with an elastic arm (18) that can move up and down, and the elastic arm (18) is provided with a buckle groove (19) with an opening facing the insulating body (21); The front end of (24) is protrudingly provided with a buckle part (241) matched with the buckle groove (19). 6. The convertible plug assembly according to claim 5, characterized in that: the front end of the bottom wall of the receiving groove (16) has two openings communicating with the first receiving space (15) and extending forward to The first through groove (101) of the front wall of the storage tank (16), the bottom surface of the upper cover (13) is provided with a front wall extending to the storage tank (16) and connected to the first storage space ( 15) A connected second through groove (102), the front wall of the receiving groove (16) is provided with two connecting grooves respectively communicating with the first through groove (101) and the second through groove (102); Correspondingly, the part sandwiched between the two first through grooves (101) is the elastic arm (18), the part sandwiched between the two connecting grooves is the connecting arm, and the bottom end of the connecting arm is forward Extending to form a pressing part (103) that can move up and down, the elastic arm (18) is provided with a clamping block (104) protruding downwards and extending laterally, the clamping block (104) and the connecting The buckle groove (19) is formed between the arms. 7. The convertible plug combination according to claim 6, characterized in that: the holding block (104) is provided with a smooth connection between the rear end surface of the holding block (104) and the bottom of the receiving groove (16). The sliding surface (105) of the wall. 8. The convertible plug combination according to claim 6, characterized in that: the conversion plug (20) also includes a cover set on the second receiving space (211) and accommodated in the receiving groove ( 16) of the cover (23), the front edge of the cover (23) is recessed backward with a first opening (231) corresponding to the position of the buckle part (241), the cover (23) is also provided with a number of second openings (232) passing through the cover (23) and communicating with the through groove (17); the clamping block (104) passes through the first opening (231 ) to be clamped on the support portion (24), the contact portion (124) extends through the second opening (232) into the second receiving space (211) to be compatible with the pins (22, 25, 26 , 27) the top phase electrical contact. 9. The convertible plug assembly according to claim 3 or 8, characterized in that: the contact portion (124) is U-shaped lying down, the contact portion (124) has an open end and a closed end, A contact point (1241) is formed at the closed end of the contact portion (124); the contact portion (124) passes through the through groove (17) to protrude from the first receiving space (15), and passes through the The second opening (232) protrudes into the second receiving space (211) to be in electrical contact with the top ends of the pins (22, 25, 26, 27), and the contact point (1241) is in contact with the pins (22, 25, 27). 26, 27) The top phases are electrically connected.

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