CN210517252U

CN210517252U - Adapter

Info

Publication number: CN210517252U
Application number: CN201921228365.4U
Authority: CN
Inventors: 林良冠; 李小龙; 潘英得
Original assignee: Dongguan Wontravael Electric Co Ltd
Current assignee: Dongguan Wontravael Electric Co Ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-12
Anticipated expiration: 2029-07-31

Abstract

The utility model provides a conversion joint, which comprises a housin, the supporting component, circuit board and at least two participate in the subassembly, each participates in the subassembly and stacks gradually the setting of arranging, the supporting component is including the first support frame that is used for installing live wire connection piece and zero line connection piece and the second support frame that is used for installing and participates in the subassembly, the top and the bottom of second support frame are located respectively to first support frame and circuit board, the casing is connected with a plurality of derivation devices, the second support frame is connected with a plurality of guider, participate in subassembly sliding connection rather than the guider who corresponds, the live wire connection piece, zero line connection piece and each participate in the subassembly and all be connected with the circuit board electricity, a plurality of jacks have been seted up on the top of casing, the bottom of casing corresponds. The utility model discloses can solve the problem that the utilization ratio of locating the inside part of crossover sub is not high and the inside space utilization of casing is not high among the prior art.

Description

Adapter

Technical Field

The utility model relates to an electrical apparatus plug technical field especially relates to a crossover sub.

Background

In the real life, because the connector design of electronic products is not identical, the design standards of different countries are different, and the electric appliances bought in different countries cannot be conveniently plugged into a power supply, the problem that mobile phones or other electronic equipment cannot be charged is caused, the life of people is greatly disturbed, and the problems are particularly obvious when people go out for a tour, so that the carrying of the conversion connector is particularly important.

However, when different types of plugs are placed inside the housing of the conventional adapter, the plugs of different types occupy more space inside the housing, and thus the utilization rate of parts arranged inside the housing and the space utilization rate of the housing cannot be improved.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing an adapter to locate the inside part of adapter's the not high and not high problem of the inside space utilization of casing among the solution prior art of utilization ratio.

The technical scheme of the utility model is that: a conversion joint comprises a shell, a support assembly, a circuit board and at least two pin assemblies, wherein the pin assemblies are sequentially arranged in a stacking manner, the support assembly comprises a first support frame used for installing a live wire connection piece and a zero line connection piece and a second support frame used for installing the pin assemblies, the first support frame and the circuit board are respectively arranged at the top end and the bottom end of the second support frame, the shell is connected with a derivation device used for pushing the pin assemblies to move, the second support frame is connected with a plurality of guide devices corresponding to the pin assemblies one by one, the pin assemblies are slidably connected with the guide devices corresponding to the pin assemblies, the live wire connection piece, the zero line connection piece and the pin assemblies are electrically connected with the circuit board, and a plurality of jacks are arranged at positions, corresponding to the live wire connection piece and the zero line connection piece, of the top end of the shell, the bottom end of the shell is provided with a plurality of jacks corresponding to the pin assemblies;

the deducing device can drive the corresponding pin assembly to move between an effective position and an ineffective position, and when the pin assembly is in the effective position, the pin assembly is communicated with an external socket; the prong assembly is located inside the housing when the prong assembly is in the inactive position.

Optionally, the guide device includes a guide rod and a guide block, the guide rod is fixed to the second support frame, and the guide block is disposed outside the guide rod and radially protrudes out of the guide rod;

when the pin assembly is in an invalid position, the derivation device is abutted against the end part of the guide block close to the second support frame or the side surface of the guide block; when the pin assembly is in the effective position, the derivation device is abutted with the end part of the guide block far away from the second support frame.

Optionally, the guide device comprises a first pin assembly, a second pin assembly, a first derivation device and a second derivation device, wherein the first pin assembly is slidably connected to the corresponding guide device, and the first derivation device is arranged at the upper end of the first pin assembly;

the second pin assembly is connected with the corresponding guide device in a sliding mode, and the second derivation device is arranged at the upper end of the second pin assembly.

Optionally, the first pin assembly includes a first base and two first pins symmetrically disposed with respect to a center of the first base, the two first pins are disposed at a bottom end of the first base, and the first base is provided with a first sliding groove for allowing the guide device corresponding to the first base to pass through;

the first derivation device comprises a first derivation rod and a first derivation part, the first derivation rod is connected to the first base in a sliding mode, the first derivation rod is provided with a second sliding groove allowing the guide device to pass through, the first derivation part is arranged on the side face of the first derivation rod and protrudes out of the shell, the shell is provided with a first guide groove allowing the first derivation part to slide, the width of the first derivation part is larger than that of the first guide groove, and a first elastic element is connected between one side of the first derivation rod close to the first derivation part and the first base.

Optionally, the second pin assembly includes a second base, two second pins symmetrically disposed with respect to the center of the second base, and a third pin disposed at the bottom end of the housing, the two second pins are disposed at the bottom end of the second base, the third pin is rotatably connected to the bottom end of the housing, a push rod for pushing the third pin to rotate is disposed at the bottom end of the second base, and the second base is provided with a third sliding groove for allowing the corresponding guide device to pass through;

the second derivation device comprises a second push rod and a second derivation rod, the second derivation rod is connected to the second base in a sliding mode, the second push rod is provided with a fourth sliding groove allowing the guide device to pass through, the second derivation rod is arranged on the side face of the second push rod and protrudes out of the outer surface of the shell, the shell is provided with a second guide groove allowing the second derivation rod to slide, the width of the second derivation rod is larger than that of the second guide groove, and a second elastic element is connected between one side, close to the second derivation rod, of the second derivation rod and the second base.

Optionally, the housing includes a lower cover detachably connected to the upper cover, the lower cover is connected to a limiting assembly for allowing the single pin assembly to extend out of the housing, the limiting assembly includes a pressing cover and a limiting block, the pressing cover is provided with two first through holes for allowing the first pins to pass through and two second through holes for allowing the second pins to pass through;

the top end of the limiting block is respectively provided with a first guide inclined plane corresponding to the bottom end of the first pin and a second guide inclined plane corresponding to the bottom end of the second pin.

Optionally, the third pin is clamped at the bottom end of the gland, and one end of the third pin is rotatably connected with the gland through a rotating shaft;

the gland is provided with a through hole allowing the push rod to penetrate through, and the third pin is located right below the through hole.

Optionally, the second support frame is connected to a plurality of conductive rods corresponding to the pin assemblies, and the circuit board is electrically connected to each pin assembly through the corresponding conductive rod.

Optionally, a first safety protection door and two second safety protection doors are connected to the top end of the first support frame, the two second safety protection doors are symmetrically arranged relative to the first safety protection door, a third elastic element is connected between the first safety protection door and the inner wall of the housing, and a fourth elastic element is connected between the second safety protection door and the first support frame;

and a third safety protection door is connected to the side surface of the first support frame, and a fifth elastic element is connected between the third safety protection door and the side wall of the first support frame.

Optionally, a third guide inclined plane is arranged on one side of the first safety protection door, two fourth guide inclined planes symmetrically arranged with respect to the first guide inclined plane are arranged on the other side of the first safety protection door, and the two fourth guide inclined planes are respectively located right above the live wire connecting piece and the zero wire connecting piece;

the second safety protection door is provided with two fifth guide inclined planes, the fifth guide inclined planes are arranged opposite to the second elastic element, and the fifth guide inclined planes are positioned right above the live wire connecting sheet or the zero wire connecting sheet;

the third safety protection door is provided with two sixth guide inclined planes, and the two sixth guide inclined planes are respectively arranged corresponding to the live wire connecting sheet and the zero line connecting sheet.

Optionally, the pin assembly further includes a third pin assembly, where the third pin assembly includes a third base, a supporting shell, and two fourth pins symmetrically arranged with respect to the center of the third base, the third base is connected with a third pushing member, the third pushing member is disposed on the outer side of the housing, the two fourth pins are disposed at the bottom end of the third base, a third guide groove allowing the third pushing member to slide is disposed on the outer side of the housing, and a sixth elastic element is connected between the third base and the third pushing member;

the supporting shell is provided with two guide holes, the fourth pins are clamped in the corresponding guide holes, the supporting shell is provided with a third sliding groove allowing the third base to slide, and the height of the third sliding groove is smaller than that of the supporting shell.

Optionally, the circuit board is provided with a plurality of USB ports, and two opposite side surfaces of the casing are provided with jacks corresponding to the USB ports.

Optionally, the upper cover is provided with a cavity, the cavity contains a set of fuses, and the outer side of the cavity is connected with a cover body.

Implement the embodiment of the utility model provides a, following beneficial effect has:

the conversion joint of the utility model is provided with the support component, the support component comprises the first support frame and the second support frame, the first support frame is used for installing the live wire connecting sheet and the zero line connecting sheet, so that an external plug can be inserted into the live wire connecting sheet and the zero line connecting sheet which are arranged on the first support frame; the second supporting frame is connected with a plurality of guiding devices, the shell is connected with a plurality of derivation devices, and each pin assembly slides out of the shell along the guiding devices under the pushing action of the pushing devices, so that the pin assembly is inserted into an external socket; the bottom end of the second support frame is connected with a circuit board, so that the live wire connecting sheet, the zero wire connecting sheet and each pin assembly can be electrified;

therefore, the utility model discloses a crossover sub is owing to including supporting component, and circuit board, each participate in subassembly, live wire connection piece and zero line connection piece all set up on supporting component, consequently, the utility model discloses a crossover sub has the advantage that the utilization ratio of inside space utilization is high and locate its inside part is high for crossover sub's volume can be done littleer, in order to promote the utility model discloses a crossover sub's convenience of carrying.

Drawings

Fig. 1 is a schematic structural diagram of the adapter of the present invention.

Fig. 2 is a schematic structural diagram of the adapter of the present invention.

Fig. 3 is a schematic structural diagram three of the adapter of the present invention.

Fig. 4 is a schematic structural diagram of the adapter of the present invention.

Fig. 5 is an exploded view of the adapter of the present invention.

Fig. 6 is a schematic view of the connection structure of the support assembly, the first pin assembly, the second pin assembly and the circuit board according to the present invention.

Fig. 7 is a schematic view of a connection structure between the guiding device and the second supporting frame of the present invention.

Fig. 8 is a schematic view of the connection structure of the first pin assembly and the support assembly according to the present invention.

Fig. 9 is a schematic view of the first pin assembly of the present invention in an inactive position.

Fig. 10 is a schematic view of the first pin assembly of the present invention in an active position.

Fig. 11 is a schematic view of the connection structure of the second pin assembly and the support assembly according to the present invention.

Fig. 12 is a schematic view of the second pin assembly of the present invention in an inactive position.

Fig. 13 is a schematic diagram of a second pin assembly of the present invention in an active position.

Fig. 14 is a schematic diagram of a third pin assembly according to the present invention.

Fig. 15 is a schematic structural diagram of the limiting assembly of the present invention.

Description of reference numerals:

1. a circuit board; 2. a housing; 21. an upper cover; 22. a lower cover; 3. a first derivation means; 31. a first push guide rod; 32. a first pusher member; 34. a second sliding groove; 4. a first pin assembly; 41. a first base; 42. a first pin; 43. a first sliding groove; 5. a second derivation means; 51. a second push rod; 52. a second pusher member; 53. a fourth sliding groove; 6. a second pin assembly; 61. a second base; 62. a second pin; 63. a third pin; 64. a push rod; 65. a third sliding groove; 7. a support assembly; 71. a first support frame; 72. a second support frame; 8. a limiting component; 81. a gland; 82. a limiting block; 83. a first perforation; 84. a second perforation; 85. a first guide slope; 86. a second guide slope; 9. a guide device; 91. a guide bar; 92. a guide block; 10. a first safety protection door; 11. a second safety protection door; 12. a third safety protection door; 13. a third guide slope; 14. a fourth guide slope; 15. a fifth guide slope; 16. a live wire connecting sheet; 17. a zero line connecting sheet; 18. a third pin assembly; 181. a third base; 182. a support housing; 183. a fourth pin; 184. a third chute; 185. a third pusher; 19. a USB port; 20. a jack; 30. a fuse; 40. a cover body; 50. a third guide groove; 60. a decorative sheet; 70. a third elastic element; 80. a fourth elastic element; 90. a fifth elastic element; 100. a conductive rod; 101. a sixth guide slope; 102. a first guide groove; 103. a second guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

As shown in fig. 1 to 15, an adapter according to an embodiment of the present invention includes a housing 2, a support assembly 7, a circuit board 1, and at least two pin assemblies of different standards, wherein the pin assemblies are sequentially stacked, the support assembly 7 includes a first support frame 71 for mounting a live wire connection piece 16 and a zero wire connection piece 17, and a second support frame 72 for mounting the pin assemblies of different standards, the first support frame 71 and the circuit board 1 are respectively disposed at a top end and a bottom end of the second support frame 72, the housing 2 is connected to a plurality of derivation devices for pushing the pin assemblies to move, the second support frame 72 is connected to a plurality of guiding devices 9 corresponding to the pin assemblies, the pin assemblies are slidably connected to the guiding devices 9 corresponding to the pin assemblies, the live wire connection piece 16, the zero wire connection piece 17, and the pin assemblies are all electrically connected to the circuit board 1, a plurality of jacks 20 are arranged at the positions, corresponding to the live wire connecting piece 16 and the zero wire connecting piece 17, of the top end of the shell 2, and a plurality of jacks 20 are arranged at the positions, corresponding to the pin assemblies, of the bottom end of the shell 2;

Based on the above arrangement, the utility model discloses an adapter, through setting up supporting component 7, supporting component 7 includes first support frame 71 and second support frame 72, and first support frame 71 is used for installing live wire connection piece 16 and zero line connection piece 17 to external plug can insert and establish live wire connection piece 16 and zero line connection piece 17 installed on first support frame 71; the second supporting frame 72 is connected with a plurality of guiding devices 9, the shell 2 is connected with a plurality of derivation devices, and each pin assembly slides out of the shell 2 along the guiding devices 9 under the pushing action of the pushing devices, so that the pin assembly is inserted into an external socket; the bottom end of the second support frame 72 is connected with the circuit board 1, so that the live wire connecting piece 16, the zero wire connecting piece 17 and all pin assemblies can be electrified;

therefore, the utility model discloses a crossover sub is owing to include supporting component 7, and circuit board 1, each participate in subassembly, live wire connection piece 16 and zero line connection piece 17 and all set up on supporting component 7, consequently, the utility model discloses a crossover sub has the advantage that the utilization ratio of inside space utilization is high and locate its inside part is high for crossover sub's volume can be done littleer, in order to promote the utility model discloses a crossover sub's convenience of carrying.

In this embodiment, as shown in fig. 1 to 7, in order to facilitate the movement of each pin assembly along the guide device 9, the guide device 9 includes a guide rod 91 and a guide block 92, the guide rod 91 is fixed to the second support frame 72, and the guide block 92 is disposed outside the guide rod 91 and protrudes radially from the guide rod 91;

when the pin assembly is in the inactive position, the deducing means abuts the end of the guide block 92 close to the second support 72 or the side of the guide block 92; the biasing means abuts the end of the guide block 92 remote from the second support bracket 72 when the prong assembly is in the active position. Specifically, by providing the guide block 92, the guide block 92 plays a role in positioning and guiding the movement of each pin assembly, and the working process specifically comprises:

since the pushing device can push each pin assembly to move up and down, when the pushing device abuts against the end of the guide block 92 close to the second support frame 72, the pin assembly is completely positioned inside the housing 2, so that the pin assembly is conveniently accommodated inside the housing 2; when the deducing means abuts against the side of the guide block 92, the pin assembly is in a state of moving upward or downward; when the thrust means abuts the end of the guide block 92 remote from the second support 72, the pin assembly is located entirely outside the housing 2, thereby facilitating the insertion of the pin assembly into an external socket.

In this embodiment, as shown in fig. 1 to 13, the adapter of the present invention includes a first pin assembly 4, a second pin assembly 6, a first derivation device 3, and a second derivation device 5, the first pin assembly 4 is slidably connected to a corresponding guiding device 9, and the first derivation device 3 is disposed at the upper end of the first pin assembly 4;

the second participates in subassembly 6 sliding connection rather than the guider 9 that corresponds, and the second deduces device 5 and locates the second and participates in the upper end of subassembly 6, wherein in the embodiment of the utility model discloses an in, the first subassembly 4 of participating in is participated in the American, and the second is participated in subassembly 6 and is participated in the subassembly for the British style, thereby the utility model discloses a crossover sub can be applicable to the plug standard in a plurality of countries, and then has splendid compatibility ability.

In this embodiment, as shown in fig. 1 to 10, in order to facilitate the first pin assembly 4 to better slide relative to the guide device 9, the first pin assembly 4 includes a first base 41 and two first pins 42 symmetrically disposed relative to the center of the first base 41, the two first pins 42 are disposed at the bottom end of the first base 41, and the first base 41 is provided with a first sliding groove 43 for allowing the guide device 9 corresponding to the first base to pass through;

the first derivation device 3 includes a first push rod 31 and a first push member 32, the first push rod 31 is slidably connected to the first base 41, the first push rod 31 is provided with a second sliding groove 34 allowing the guide device 9 to pass through, the first push member 32 is provided on a side surface of the first push rod 31 and protrudes out of the outer surface of the housing 2, the housing 2 is provided with a first guide groove 102 allowing the first push member to slide, the width of the first push member is greater than that of the first guide groove 102, and a first elastic element is connected between one side of the first push rod 31 close to the first push member 32 and the first base 41. Specifically, by providing the first base 41, the first base 41 fixes the two first pins 42; by providing the first pushing member and the first push-guide rod 31, the first pushing member can transmit the external force applied by the user to the transverse movement and the vertical movement of the first push-guide rod 31; the first elastic element is connected between the first push guide rod 31 and the first base 41, so that the first derivation device 3 can automatically reset, and the safety of a user in the using process is enhanced;

specifically, when the first pin assembly 4 needs to be switched from the invalid position not in the use state to the valid position in the use state, the user presses the first pushing member 32, the first elastic element is in the compressed state, the first sliding groove 43 moves inward, so that the first sliding groove 43 is located right above the guiding device 9, then the user pushes the first pushing member 32 downward along the first guiding groove 102 for a certain stroke, that is, when the first pushing member 32 cannot move downward, the user does not apply a pushing force to the first pushing member 32, the first elastic element is in the release state, the first pushing member moves outward under the elastic action of the first elastic element, and the end of the first push-guide rod 31 abuts against the end of the guiding block 92 away from the second supporting frame 72;

when it is desired to move the first pin assembly 4 from the active position in the use state to the inactive position not in the use state, the user presses the first pushing member 32, the first elastic element is in the compressed state, the first sliding groove 43 moves inward, so that the guiding device 9 is located right above the first sliding groove 43, and then after the user pushes the first pushing member 32 upward along the first guiding groove 102 for a certain distance, i.e. when the first pushing member 32 cannot move upward, the user does not apply force to the first pushing member, the first elastic element is in the release state, and the end of the first push-guide rod abuts against the end of the guide block 92 close to the second support frame 72.

In this embodiment, as shown in fig. 1, 2, 3, 4, 5, 6, 7, 11, 12 and 13, in order to facilitate the second pin assembly 6 to better slide relative to the guide device 9, the second pin assembly 6 includes a second base 61, two second pins 62 symmetrically arranged relative to the center of the second base 61, and a third pin 63 arranged at the bottom end of the housing 2, the two second pins 62 are arranged at the bottom end of the second base 61, the third pin 63 is rotatably connected to the bottom end of the housing 2, the bottom end of the second base 61 is provided with a push rod 64 for pushing the third pin 63 to rotate, and the second base 61 is provided with a third sliding groove 65 for allowing the corresponding guide device 9 to pass through;

the second derivation device 5 includes a second push rod 51 and a second pushing member 52, the second push rod 51 is slidably connected to the second base 61, the second push rod 64 is provided with a fourth sliding groove 53 allowing the guide device 9 to pass through, the second pushing member 52 is provided on the side surface of the second push rod 51 and protrudes out of the housing 2, the housing 2 is provided with a second guiding groove 103 allowing the second pushing member 52 to slide, and the width of the second pushing member 52 is greater than the width of the second guiding groove 103. Specifically, by providing the second base 61, the second base 61 plays a role in fixing the two second pins 62; by providing the second pusher 52 and the second push rod 64, the second pusher 52 can transmit the external force applied by the user to the lateral movement and the vertical movement of the second push rod 51; a second elastic element is connected between the second push guide rod and the second base, so that the second derivation device can automatically reset, and the safety of a user in the using process is enhanced; by providing the third pin 63 and the push lever 64, when the push lever 64 moves downward, the push lever 64 rotates outward when the push lever 64 contacts the third pin 63, so that the push lever 64 protrudes to the outside of the housing 2;

the moving process of the second pin assembly 6 is specifically that when the second pin assembly 6 needs to be switched from the invalid position not in the use state to the valid position in the use state, the user presses the second pushing member 52, the second elastic element is in the compression state, the second sliding groove is moved inward, so that the second sliding groove is located right above the corresponding guiding device 9, then the user pushes the second pushing member 52 downward along the second guiding groove 103 for a certain stroke, that is, when the second pushing member 52 cannot move downward continuously, the second elastic element is in the release state, the second derivation device moves outward under the elastic action of the second elastic element, and the end of the second pushing guide rod 51 abuts against the end of the guide block 92 away from the second support frame 72;

when it is desired to move the second pin assembly 6 from the active position in the use state to the inactive position not in the use state, the user presses the second pushing member 52, the second elastic element is in the compressed state, the second sliding groove moves inward, so that the guiding device is located right above the second sliding groove, and then after the user pushes the second pushing member 52 upwards along the second guiding groove 103 for a certain distance, i.e. when the second pushing member 52 cannot move upwards, the user does not apply force to the second pushing member, the second elastic element is in the release state, and the end of the second pushing rod 64 abuts against the end of the guiding block 92 close to the second supporting frame 72.

In this embodiment, as shown in fig. 5 and 15, in order to ensure the safety of electricity utilization, the housing 2 includes a lower cover 22 detachably connected to the upper cover 21 and the upper cover 21, the lower cover 22 is connected to a limiting component 8 for allowing a single pin assembly to extend out of the housing 2, the limiting component 8 includes a pressing cover 81 and a limiting block 82, the pressing cover 81 is provided with two first through holes 83 for allowing the first pins 42 to pass through and two second through holes 84 for allowing the second pins 62 to pass through;

the top end of the limiting block 82 is respectively provided with a first guiding inclined surface 85 corresponding to the bottom end of the first pin 42 and a second guiding inclined surface 86 corresponding to the bottom end of the second pin 62. Specifically, by arranging the gland 81, the connection mode between the gland 81 and the lower cover 22 is detachable connection, and the gland 81 and the lower cover 22 can ensure that the limiting block 82 cannot move in the vertical direction, so that the limiting effect of the limiting block 82 on the first pins 42 or the second pins 62 is ensured; the gland 81 and the lower cover 22 are connected with energizing hardware to facilitate electrical connection between the first pin assembly 4, the second pin assembly 6 and the third pin assembly 18 and the circuit board 1;

when the first pin 42 moves downwards to be in contact with the first guide inclined surface 85 of the limiting block 82, the limiting block 82 moves towards the direction close to the second through hole 84, the top end of the limiting block 82 moves to the position right below the second through hole 84, and therefore the limiting block 82 has a limiting effect on the second pin 62; when the second pin 62 moves downward to contact with the second guiding inclined surface 86 of the limiting block 82, the limiting block 82 moves towards the direction close to the first through hole 83, and the top end of the limiting block 82 moves to the position right below the first through hole 83, so that the limiting block 82 has a limiting effect on the first pin 42; therefore, the limiting component 8 of the present embodiment enables only the first pin component 4 or the second pin component 6 to extend out of the housing 2 at a time, thereby ensuring the safety of power utilization.

In this embodiment, as shown in fig. 5 and 15, in order to facilitate the rotation of the third pin 63, the third pin 63 is clamped at the bottom end of the gland 81, and one end of the third pin 63 is rotatably connected with the gland 81 through a rotating shaft;

the pressing cover 81 is provided with a through hole allowing the push rod 64 to pass through, and the third pin 63 is located right below the through hole. Specifically, when the push rod 64 moves to the through hole of the pressing cover 81, the push rod 64 applies a downward force to the third pin 63, and the third pin 63 protrudes outside the housing 2 around the rotation shaft.

In this embodiment, as shown in fig. 5, 9, 10, 12 and 13, the second support frame 72 is connected with a plurality of conductive rods 100 corresponding to the pin assemblies, and the circuit board 1 is electrically connected with each pin assembly through the corresponding conductive rods 100, thereby facilitating the electrical connection between the circuit board 1 and the first pin assembly 4 and the second pin assembly 6.

In this embodiment, as shown in fig. 1, 2, 3, 4, 5 and 6, in order to ensure the electricity utilization safety of the adapter of the present invention, the top end of the first support frame 71 is connected with a first safety protection door 10 and two second safety protection doors 11, the two second safety protection doors 11 are symmetrically arranged with respect to the first safety protection door 10, a third elastic element 70 is connected between the first safety protection door 10 and the inner wall of the housing 2, and a fourth elastic element 80 is connected between the second safety protection door 11 and the first support frame 71;

the side of the first supporting frame 71 is connected with a third safety protection door 12, and a fifth elastic element 90 is connected between the third safety protection door 12 and the side wall of the first supporting frame 71. Specifically, the first safety protection door 10, the second safety protection door 11 and the third safety protection door 12 can prevent an electric shock accident caused by fingers being inserted into the inside of the housing 2 by a child or by a user operating the safety protection doors improperly; wherein, the third elastic element 70 and the fourth elastic element 80 are both springs, and the fifth elastic element 90 is a spring plate, and certainly, the user can adopt elastic elements made of other elastic materials, and the utility model has no special limitation;

the top of casing 2 is equipped with eight jacks 20, and the side of casing 2 is equipped with two jacks 20 to effectively utilize crossover sub's inner space, make crossover sub can do littleer convenience with the promotion to carry.

In this embodiment, as shown in fig. 5 and 6, a third guiding inclined plane 13 is disposed on one side of the first safety protection door 10, two fourth guiding inclined planes 14 symmetrically disposed with respect to the first guiding inclined plane 85 are disposed on the other side of the first safety protection door 10, and the two fourth guiding inclined planes 14 are respectively located right above the live wire connecting piece 16 and the neutral wire connecting piece 17, wherein the third guiding inclined plane 13 and the fourth guiding inclined planes 14 guide an external plug, thereby facilitating the movement of the first safety protection door 10; when an external plug is inserted into the live wire connecting piece 16 and the zero wire connecting piece 17 through the jack 20 arranged at the top end of the shell 2, the first safety protection door 10 moves towards the inner wall of the shell 2 along the top end of the first support frame 71 under the pushing action of the external plug, and the third elastic element 70 is in a compressed state, so that the inserting function of the external plug is realized; when the external plug is pulled out of the live wire connecting piece 16 and the zero wire connecting piece 17, the external plug does not push the first safety protection door 10, and the third elastic element 70 is in a release state, so that the first safety protection door 10 is restored to the original position;

the second safety protection door 11 is provided with two fifth guide inclined planes 15, the fifth guide inclined planes 15 are arranged opposite to the fourth elastic element 80, and the fifth guide inclined planes 15 are positioned right above the live wire connecting sheet 16 or the zero wire connecting sheet 17, wherein the fifth guide inclined planes 15 play a role in guiding an external plug, so that the second safety protection door 11 can move conveniently; when an external plug is inserted into the live wire connecting piece 16 and the zero wire connecting piece 17 through the jack 20 arranged at the top end of the shell 2, the second safety protection door 11 moves towards the inner wall of the first support frame 71 along the top end of the first support frame 71 under the pushing of the external plug, and the fourth elastic element 80 is in a compressed state, so that the inserting function of the external plug is realized; when the external plug is pulled out of the live wire connecting piece 16 and the zero wire connecting piece 17, the external plug does not push the second safety protection door 11, and the fourth elastic element 80 is in a release state, so that the second safety protection door 11 is restored to the original position;

the third safety protection door 12 is provided with two sixth guide inclined planes 101, the two sixth guide inclined planes 101 are respectively arranged corresponding to the live wire connecting sheet 16 and the zero wire connecting sheet 17, wherein the sixth guide inclined planes play a role in guiding an external plug, so that the third safety protection door 12 can move conveniently; when an external plug is inserted into the live wire connecting piece 16 and the zero wire connecting piece 17 through the jack 20 arranged at the top end of the shell 2, the third safety protection door 12 moves towards the side wall of the first support frame 71 under the pushing of the external plug, and the fifth elastic element 90 is in a compressed state, so that the inserting function of the external plug is realized; when the external plug is pulled out from the live wire connecting piece 16 and the neutral wire connecting piece 17, the external plug does not push the third safety protection door 12, and the fifth elastic element 90 is in a release state, so that the second safety protection door 11 is restored to the original position.

In this embodiment, as shown in fig. 3, 4, 5 and 14, in order to make the adapter of the present invention be suitable for plugs with different specifications, the adapter of the present invention further includes a third pin assembly 18, the third pin assembly 18 includes a third base 181, a supporting shell 182 and two fourth pins 183 symmetrically disposed with respect to the center of the third base 181, the third base 181 is connected with a third pushing member 185, the third pushing member 185 is disposed on the outer side of the housing 2, the two fourth pins 183 are disposed at the bottom end of the third base 181, the side of the housing 2 is provided with a third guiding groove 50 allowing the third pushing member 185 to slide, and a sixth elastic element is connected between the third base 191 and the third pushing member 185;

the supporting shell 182 is provided with two guiding holes, each fourth pin 183 is clamped in the corresponding guiding hole, the supporting shell 182 is provided with a third sliding slot 184 allowing the third base 181 to slide, and the height of the third sliding slot 184 is smaller than that of the supporting shell 182. Specifically, the third pin assembly 18 is of an american plug type, when the third pin assembly 18 needs to be switched from an invalid position not in use to an effective position in use, the sixth elastic element is in a compressed state by pressing the third pushing member 185, the side portion of the third pushing member 185 abuts against the inner wall of the third base 181, then the user pushes the third pushing member 185 downwards to a certain stroke, that is, when the bottom end of the third base 181 abuts against the bottom end of the sliding chute, the user does not apply an acting force to the third pushing member 185, the sixth elastic element is in a released state, and the third pin assembly 18 can be plugged into an external socket;

when it is desired to switch the third pin assembly 18 from the active position, in use, to the inactive position, in non-use, the sixth elastic element is in a compressed state by pressing the third push member 185, the side of the third push member 185 abuts against the inside of the third seat 181, then the user pushes the third push member 185 upwards to a certain extent, i.e. when the top of the third seat 181 abuts against the upper cover 21, the user applies no force to the third push member 185, the sixth elastic element is in a released state, and the third pin assembly 18 is completely inside the housing 2.

In this embodiment, as shown in fig. 1 ~ 4, circuit board 1 is equipped with a plurality of USB mouth 19, and two sides that casing 2 set up relatively are equipped with the jack 20 corresponding with USB mouth 19, and wherein, the side of two relative settings of circuit board 1 is equipped with two USB mouths 19 and three USB mouth 19 respectively to effectively utilize casing 2's inner space, and then make adapter's volume can be done littleer, in order to promote the utility model discloses an adapter's convenience of carrying.

In this embodiment, as shown in fig. 5, the upper cover 21 has a cavity, the cavity contains a set of fuses 30, and the outer side of the cavity is connected with the cover 40, so that the current fuses 30 can be replaced conveniently by a user, and the electricity utilization safety of the adapter is improved.

In this embodiment, as shown in fig. 5, in order to enhance the appearance decoration effect of the adapter, a decoration sheet 60 is provided on the top end of the housing 2.

To sum up, the crossover sub of the utility model, by setting the supporting component 7, the supporting component 7 includes the first supporting frame 71 and the second supporting frame 72, the first supporting frame 71 is used for installing the live wire connecting piece 16 and the zero line connecting piece 17, so that the external plug can be inserted into the live wire connecting piece 16 and the zero line connecting piece 17 installed on the first supporting frame 71; the second supporting frame 72 is connected with a plurality of guiding devices 9, the shell 2 is connected with a plurality of derivation devices, and each pin assembly slides out of the shell 2 along the guiding devices 9 under the pushing action of the pushing devices, so that the pin assembly is inserted into an external socket; the bottom end of the second support frame 72 is connected with the circuit board 1, so that the live wire connecting piece 16, the zero wire connecting piece 17 and all pin assemblies can be electrified;

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the principle of the present invention, and these modifications and variations are also considered as the protection scope of the present invention.

Claims

1. A conversion joint is characterized by comprising a shell, a supporting component, a circuit board and at least two pin components, wherein the pin components are sequentially arranged in a stacked manner, the supporting component comprises a first supporting frame used for installing a live wire connecting piece and a zero line connecting piece and a second supporting frame used for installing the pin components, the first supporting frame and the circuit board are respectively arranged at the top end and the bottom end of the second supporting frame, the shell is connected with a plurality of derivation devices used for pushing the pin components to move, the second supporting frame is connected with a plurality of guiding devices corresponding to the pin components one by one, the pin components are slidably connected with the guiding devices corresponding to the pin components, the live wire connecting piece, the zero line connecting piece and the pin components are electrically connected with the circuit board, and a plurality of jacks are arranged at positions, corresponding to the live wire connecting piece and the zero line connecting piece, at the top end of the shell, the bottom end of the shell is provided with a plurality of jacks corresponding to the pin assemblies;

2. The adapter of claim 1, wherein said guide means comprises a guide bar fixed to said second support frame and a guide block disposed outside of said guide bar and projecting radially therefrom;

3. The adapter as claimed in claim 2, comprising a first pin assembly, a second pin assembly, a first deducing means and a second deducing means, wherein the first pin assembly is slidably connected with the corresponding guiding means, and the first deducing means is arranged at the upper end of the first pin assembly;

4. The adapter as claimed in claim 3, wherein said first pin assembly comprises a first base and two first pins symmetrically disposed with respect to the center of said first base, said two first pins being disposed at the bottom end of said first base, said first base being provided with a first sliding groove for allowing passage of said guide means corresponding thereto;

5. The adapter as claimed in claim 4, wherein the second pin assembly comprises a second base, two second pins symmetrically disposed with respect to the center of the second base, and a third pin disposed at the bottom end of the housing, the two second pins being disposed at the bottom end of the second base, the third pin being rotatably connected to the bottom end of the housing, the bottom end of the second base being provided with a push rod for pushing the third pin to rotate, the second base being provided with a third sliding groove for allowing the corresponding guide device to pass through;

6. The adapter as claimed in claim 5, wherein the housing includes a lower cover detachably connected to the upper cover, the lower cover being connected to a stopper assembly for allowing the single pin assembly to extend outside the housing, the stopper assembly including a gland and a stopper, the gland being provided with two first through holes for allowing the first pins to pass therethrough and two second through holes for allowing the second pins to pass therethrough;

7. The adapter as claimed in claim 6, wherein the third pin is clamped at the bottom end of the gland, and one end of the third pin is rotatably connected with the gland through a rotating shaft;

8. The adapter as in claim 6, wherein said second support bracket has a plurality of conductive posts associated therewith, said circuit board being electrically connected to each of said pin assemblies via the respective conductive posts.

9. The adapter as claimed in claim 6, wherein a first safety door and two second safety doors are connected to a top end of the first support frame, the two second safety doors are symmetrically arranged with respect to the first safety door, a third elastic element is connected between the first safety door and an inner wall of the housing, and a fourth elastic element is connected between the second safety door and the first support frame;

10. The adapter of claim 9, wherein one side of said first safety gate has a third guiding bevel, and the other side of said first safety gate has two fourth guiding bevels symmetrically disposed with respect to said first guiding bevel, and said two fourth guiding bevels are respectively positioned directly above said live connection pad and said neutral connection pad;

11. The adapter of claim 1, further comprising a third pin assembly, wherein the third pin assembly comprises a third base, a supporting shell and two fourth pins symmetrically arranged with respect to the center of the third base, the third base is connected with a third pushing member, the third pushing member is arranged at the outer side of the housing, the two fourth pins are arranged at the bottom end of the third base, the outer side of the housing is provided with a third guiding groove allowing the third pushing member to slide, and a sixth elastic element is connected between the third base and the third pushing member;

12. The adapter of claim 1, wherein the circuit board has a plurality of USB ports, and two opposite sides of the housing have insertion holes corresponding to the USB ports.

13. The adapter according to claim 6 wherein said top cover has a cavity, said cavity containing a set of fuses, and a cover attached to the outside of said cavity.