Adapter of notebook computer power adapter with variable pins

Abstract

The utility model provides an adapter of a notebook computer power adapter with variable pins, which comprises a plug shell (1), a rotating hub, a hub seat, a triangular concave part, a triangular rib, a convex drum, a rectangular hole, a circular truncated cone opening, a handle, a double-spring piece, an arc column rib, a blocking rib, a sliding groove, a sliding rail, a spring piece bayonet, a fork-shaped spring piece, an arc-shaped elastic piece, a gap, a pointer, a positioning block, a positioning mark and a positioning groove. The rotating hub, the hand pinching part, the double-spring piece, the blocking rib, the sliding groove and the sliding rail form a variable mechanism, the triangular concave part, the triangular rib, the pointer and the positioning mark form a positioning mechanism, the null line pin, the live wire pin and the ground wire pin are variable plugs, the sliding rail is arranged on the upper portion of an inner cavity of the plug shell, and when the converter is connected with a wall power panel, the number of the pins of the converter can be changed. A two-hole power supply panel can be inserted, and a three-hole power supply panel can also be inserted.

Description

TECHNICAL FIELD

[0001] The utility model relates to notebook computer power adapter's converter, especially variable prong's notebook computer power adapter's adapter belongs to computer accessory technical field. BACKGROUND

[0002] The power adapter of notebook computer is all externally hung, and the power adapter of early notebook computer or notebook computer with high configuration, thick thickness or large power consumption mostly adopts three-core seat opening mode of triangular notch, and there are live wire, zero line and ground wire prongs in the seat opening, and a three-core power line is needed to cross connect between the power adapter and the wall panel or the wiring board, one end of the three-core power line is connected with the seat opening of the power adapter, and the other end is connected with the wall panel or the wiring board.

[0003] However, since the jack of some old wall panels or some simple wiring boards is too simple, some only have three holes, and some only have two holes, if a multifunctional wiring board is not carried at this time, it will bring embarrassment to the power supply of the notebook computer, for example, the plug with three-core cross connection line cannot be inserted into the two holes.

[0004] The related technology of notebook computer power adapter currently also has: in order to prevent the prongs of the plug from wearing the surface of the notebook computer during carrying, the plug is improved, so that the prongs of the plug can be folded and stored, in order to prevent the internal devices from being damaged due to the high temperature of the power adapter in summer, the accessory of the power adapter with the heat dissipation fan or the fan heat bin is designed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of adapter, which can change the number of prongs and is suitable for three-core seat opening notebook computer power adapter.

[0006] The technical problem to be solved by the utility model is realized by the following technical scheme: the adapter includes plug shell 1, long screw seat 2, hub 3, hub seat 4, triangular recess 5, triangular rib 6, zero line prong 7, live wire prong 8, long screw hole 9, plug cover plate 10, ground wire prong 11, convex drum 12, rectangular hole 13, circular table mouth 14, hand pinch 15, double spring leaf 16, arc column rib 17, blocking rib 18, sliding groove 19, sliding rail 20, spring leaf bayonet 21, fork spring 22, wire 23, welding point 24, aluminum bottom plate 25, transparent cover 26, clamping seat 27, socket shell 28, short screw seat 29, short screw 30, socket bottom plate 31, tube spring 32, three-core plug 33, socket 34, adhesion 35, clamping leg 36, bayonet 37, reinforcing ring 38, long screw 39, arc-shaped elastic sheet 40, vacancy 41, pointer 42, positioning block 43, positioning mark 44, positioning groove 45, light emitting diode D and current limiting resistor R.

[0007] The plug shell 1 and the socket shell 28 are interconnected to form a housing main body, the plug cover plate 10, the hub seat 4, the long screw hole 9 and the rectangular hole 13 form a plug part, the socket bottom plate 31, the three-core plug 33, the adhesion part 35 and the clamping leg 36 form a socket part, the rotating hub 3, the hand grip 15, the double spring piece 16, the blocking rib 18, the sliding groove 19, the sliding rail 20, the arc-shaped elastic piece 40 and the vacancy 41 form a variable mechanism, the housing main body is in the shape of an inverted L, the top corner of one side of the socket shell 28 is internally provided with a double-track-shaped clamping seat 27, the clamping seat 27 is internally embedded with an aluminum bottom plate 25, the aluminum bottom plate 25 is provided with a light-emitting diode D and a current-limiting resistor R, the outside of the light-emitting diode is provided with a transparent cover 26, the side of the transparent cover 26 is triangular, the inner wall of the transparent cover 26 is provided with a plurality of small protrusions, and the transparent cover 26 is clamped on the socket shell 28 at the top corner.

[0008] The circular table mouth 14 is internally provided with a circular plate-shaped plug cover plate 10, the center of the plug cover plate 10 is provided with a long screw hole 9, the plug cover plate 10 is connected with the long screw seat 2 through the long screw hole 9 and a long screw 39, the inner wall of the lower part of the plug cover plate 10 is provided with two symmetrical hub seats 4, the hub seats 4 are internally embedded with rotating hubs 3, the side of the rotating hub 3 is in the shape of a horizontally laid H, the rotating hub 3 can rotate in the hub seat 4, the bottom of the rotating hub 3 is provided as a local vacancy 41, the circumference of the rotating hub 3 at the vacancy 41 is provided as an arc-shaped elastic piece 40, the bottom end of the arc-shaped elastic piece 40 is provided with a triangular rib 6, the triangular rib 6, the arc-shaped elastic piece 40 and the rotating hub 3 are an integral whole, the triangular rib 6 can be clamped in a triangular recess 5, when the rotating hub 3 rotates, under the elastic action of the arc-shaped elastic piece 40, the triangular rib 6 can be separated from the original triangular recess 5 and enter another triangular recess 5, the zero line plug pin 7 and the live wire plug pin 8 are respectively inserted into the two rotating hubs 3.

[0009] The upper part of the plug cover plate 10 is provided with a rectangular hole 13, the ground wire plug pin 11 is internally inserted into the rectangular hole 13 and the fork-shaped spring piece 22 in the sliding rail 20, the ground wire plug pin 11 can slide in the rectangular hole 13 and the fork-shaped spring piece 22, the upper surface of one end of the ground wire plug pin 11 is provided with an inverted herringbone-shaped double spring piece 16, the bottom end of the double spring piece 16 is connected with the ground wire plug pin 11 through a welding method, the double spring piece 16 passes through the sliding groove 19 and can slide in the sliding groove 19, the two top edges of the double spring piece 16 are both provided as arc column ribs 17, the arc column ribs 17 are externally sleeved with soft rubber hand grips 15, the arc column ribs 17 can reduce the abrasion of the double spring piece 16 on the hand grips 15 and simultaneously clamp the hand grips 15.

[0010] The zero line plug pin 7, the live wire plug pin 8 and one end of the fork-shaped spring piece 22 are respectively connected with the three tube springs 32 of the three-core plug 33 through the wires 23 and the welding points 24, and the zero line plug pin 7 and the live wire plug pin 8 are respectively connected with one end of the light-emitting diode D and the current-limiting resistor R through the wires 23 and the welding points 24, and the other end of the light-emitting diode D and the current-limiting resistor R are connected with each other.

[0011] With the above technical scheme, the number of pins of the converter can be changed when being connected with the wall power panel, the power panel with two holes or the power panel with three holes can be inserted, and the power supply of some types of notebook power adapters is facilitated to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model is further explained below in combination with the drawings and examples, and the utility model has the following six drawings:

[0013] Figure 1 It is the front view of the utility model,

[0014] Figure 2 It is the front view of the utility model when the ground pin is retracted,

[0015] Figure 3 It is the top view of the utility model,

[0016] Figure 4 It is the bottom view of the utility model,

[0017] Figure 5 It is the left view of the utility model,

[0018] Figure 6 It is the local enlarged view of the left view.

[0019] The numbers in the drawings respectively represent the following:

[0020] 1. plug shell, 2. long screw seat, 3. hub, 4. hub seat, 5. triangular recess, 6. triangular rib, 7. zero line pin, 8. fire line pin, 9. long screw hole, 10. plug cover plate, 11. ground pin, 12. convex drum, 13. rectangular hole, 14. round table mouth, 15. hand pinch, 16. double spring piece, 17. arc column rib, 18. blocking rib, 19. sliding groove, 20. sliding rail, 21. spring piece bayonet, 22. fork spring piece, 23. wire, 24. welding point, 25. aluminum bottom plate, 26. transparent cover, 27. card seat, 28. socket shell, 29. short screw seat, 30. short screw, 31. socket bottom plate, 32. tube spring, 33. three-core plug, 34. plug opening, 35. adhesion part, 36. clamping leg, 37. bayonet, 38. reinforcing ring, 39. long screw, 40. arc-shaped elastic piece, 41. vacancy, 42. pointer, 43. positioning block, 44. positioning mark, 45. positioning groove, D. light emitting diode, R. current limiting resistor, 43. positioning block, 44. positioning mark, 45. positioning groove, D. light emitting diode, R. current limiting resistor. DETAILED DESCRIPTION

[0021] 1. The adapter comprises a plug shell 1, a long screw seat 2, a hub 3, a hub seat 4, a triangular recess 5, a triangular rib 6, a zero line plug pin 7, a fire line plug pin 8, a long screw hole 9, a plug cover plate 10, a ground line plug pin 11, a convex drum 12, a rectangular hole 13, a circular truncated cone mouth 14, a hand pinch 15, a double spring leaf 16, an arc column rib 17, a blocking rib 18, a sliding groove 19, a sliding rail 20, a spring leaf clamping hole 21, a fork spring 22, a wire 23, a welding point 24, an aluminum bottom plate 25, a transparent cover 26, a clamping seat 27, a socket shell 28, a short screw seat 29, a short screw 30, a socket bottom plate 31, a tube spring 32, a three-core plug 33, a socket 34, a adhesion part 35, a clamping leg 36, a clamping hole 37, a reinforcing ring 38, a long screw 39, an arc-shaped elastic sheet 40, a vacancy 41, a pointer 42, a positioning block 43, a positioning mark 44, a positioning groove 45, a light-emitting diode D and a current-limiting resistor R.

[0022] 2. The plug shell 1 and the socket shell 28 are interconnected to form a shell body, which comprises the circular truncated cone mouth 14, the blocking rib 18, the sliding groove 19, the sliding rail 20, the spring leaf clamping hole 21, the clamping seat 27, the long screw seat 2, the short screw seat 29, the clamping hole 37 and the reinforcing ring 38, and the shell body is made by injection molding.

[0023] 3. The plug cover plate 10, the hub seat 4, the long screw hole 9 and the rectangular hole 13 constitute a plug main plate, the socket bottom plate 31, the three-core plug 33, the adhesion part 35 and the clamping leg 36 constitute a socket main plate, the hub 3, the hand pinch 15, the double spring leaf 16, the blocking rib 18, the sliding groove 19, the sliding rail 20, the arc-shaped elastic sheet 40 and the vacancy 41 constitute a variable mechanism, the triangular recess 5, the triangular rib 6, the pointer 42 and the positioning mark 44 constitute a positioning mechanism, the positioning block 43 and the positioning groove 45 constitute a limiting mechanism, the zero line plug pin 7, the fire line plug pin 8 and the ground line plug pin 11 are variable plugs, and the three-core plug 33 is a fixed plug.

[0024] 4. According to Figures 1 to 4 , the cross-sectional shape of the shell body is an inverted L shape, the long screw seat 2 is arranged at the center of the side wall of the inner cavity of the plug shell 1, one end of the long screw seat 2 is connected with the side wall, the connection is provided with a reinforcing ring 38, the edge of the opening of the plug shell 1 is provided with a circular truncated cone mouth 14, the cross-sectional shape of which is a flat circular truncated cone, a double-track clamping seat 27 is arranged in the top corner of one side of the socket shell 28, the clamping seat 27 is embedded with an aluminum bottom plate 25, the aluminum bottom plate 25 is provided with a light-emitting diode D and a current-limiting resistor R, the light-emitting diode is used for power-on indication, the outside of the light-emitting diode is provided with a transparent cover 26, the cross-sectional shape of the transparent cover 26 is triangular, the inner wall of the transparent cover 26 is provided with a plurality of small convex points, so that the light of the light-emitting diode becomes diffuse light, the transparent cover 26 is clamped on the socket shell 28 at the above-mentioned top corner, and the light-emitting diode can be seen from above and three sides of the transparent cover 26, and has a relatively wide visible range.

[0025] 5. The bottom inner wall of the socket shell 28 is provided with two short screw seats 29 below the card seat 27, and the bottom of the socket shell 28 opposite the short screw seats 29 is provided with two clamping holes 37. One side of the socket bottom plate 31 is provided with two clamping legs 36. The socket bottom plate 31 is connected with the socket shell 28 through the clamping legs 36, the clamping holes 37, the short screws 30 and the short screw seats 29. The bottom surface of the socket bottom plate 31 is provided with a three-core plug 33, and part of the tube spring 32 in the socket 34 of the plug 33 penetrates the socket bottom plate 31 upward.

[0026] 6. The inner cavity of the connection between the plug shell 1 and the socket shell 28 is provided with a slide rail 20. The cross-sectional shape of the slide rail 20 in the top view is a lying ∏ shape, and the cross-sectional shape of the slide rail 20 in the front view is a lying F shape. The bottom ends of the two legs are connected with the bottom edge of the socket shell 28. The middle parts of the two legs are provided with spring clamping holes 21, which are embedded with long strip-shaped transverse fork-shaped springs 22. The inner surfaces of the two spring blades of the fork-shaped spring 22 are provided with convex drums 12. The top of the connection between the plug shell 1 and the socket shell 28 is provided with a long strip-shaped sliding groove 19. The two sides of the sliding groove 19 near the circular table opening 14 are provided with blocking ribs 18.

[0027] 7. According to Figure 1 , Figure 5 and Figure 6 , the circular table opening 14 is provided with a circular plate-shaped plug cover plate 10. The center of the plug cover plate 10 is provided with a long screw hole 9. The plug cover plate 10 is connected with the long screw seat 2 through the long screw hole 9 and the long screw 39. The inner wall of the lower part of the plug cover plate 10 is provided with two symmetrical hub seats 4. The hub seat 4 is embedded with a rotating hub 3. The cross-sectional shape of the rotating hub 3 is a lying H shape. The rotating hub 3 can rotate in the hub seat 4. The top of the outer side of the rotating hub 3 is provided with a positioning block 43. The outer wall of the plug cover plate 10 at the positioning block 43 is provided with two positioning marks 44. The cover body of the plug cover plate 10 at the positioning block 43 is provided with a positioning groove 45. The positioning block 43 is limited to swing in the positioning groove 45. The outer wall of the plug cover plate 10 below the hub seat 4 is provided with two downward arrow-shaped triangular recesses 5.

[0028] 8. The bottom of the rotating hub 3 is provided with a local vacancy 41, which is a vacancy near the outer side and a complete cylinder near the inner side. The circumference of the rotating hub 3 at the vacancy 41 is provided with an arc-shaped elastic piece 40. The bottom end of the arc-shaped elastic piece 40 is provided with a triangular rib 6. The triangular rib 6, the arc-shaped elastic piece 40 and the rotating hub 3 are an integral whole, which is made of injection molding and is made of nylon. The triangular rib 6 can be clamped in a triangular recess 5. When the rotating hub 3 rotates, the triangular rib 6 can be separated from the original triangular recess 5 and enter another triangular recess 5 under the elastic action of the arc-shaped elastic piece 40. The zero line plug 7 and the live plug 8 are respectively inserted into the two rotating hubs 3.

[0029] 9. The upper part of the plug cover plate 10 is provided with a rectangular hole 13, and the ground wire pin 11 is inserted into the rectangular hole 13 and the fork-shaped spring piece 22 in the slide rail 20, and the ground wire pin 11 can slide in the rectangular hole 13 and the fork-shaped spring piece 22, and the convex drum 12 on the fork-shaped spring piece 22 can ensure good contact between the ground wire pin 11 and the fork-shaped spring piece 22, and ensure the reliability of the conduction, and the upper part of one end of the ground wire pin 11 is provided with double spring pieces 16 in inverted chevron shape in cross-sectional view, the bottom end of the double spring pieces 16 is connected with the ground wire pin 11 by welding method, the double spring pieces 16 pass through the slide groove 19 and can slide in the slide groove 19, the two top edges of the double spring pieces 16 are provided with arc column ribs 17, the arc column ribs 17 are externally sleeved with soft rubber hand grips 15, the arc column ribs 17 can reduce the abrasion of the double spring pieces 16 to the hand grips 15, and meanwhile the hand grips 15 can be clamped to prevent falling.

[0030] 10. According to Figure 3 and Figure 4 , one end of the zero wire pin 7, the fire wire pin 8 and the fork-shaped spring piece 22 is connected with the three tube springs 32 of the three-core plug 33 through the wires 23 and the welding points 24, and the zero wire pin 7 and the fire wire pin 8 are connected with the light emitting diode D and one end of the current limiting resistor R through the wires 23 and the welding points 24, and the other end of the light emitting diode D and the current limiting resistor R is connected with each other.

[0031] 11. In use, the three-core plug 33 of the adapter is inserted into the triangular seat of the notebook power adapter, the pin mode of the adapter is selected according to the actual situation, if the wire hole of the power panel or the wiring board of the wall is three holes, the three-pin mode is selected, the zero wire pin 7 and the fire wire pin 8 are rotated by hand to be in the inclined state, the hand grip 15 is pinched, the inner included angle of the double spring pieces 16 is reduced, the ground wire pin 11 can be completely pushed out through the gap between the two blocking ribs 18, when the double spring pieces 16 reach the end of the slide groove 19 close to the plug cover plate 10, the hand grip 15 is released, the inner included angle of the double spring pieces 16 is increased by the elasticity, and the double spring pieces 16 can be clamped by the blocking ribs 18, at this time the ground wire pin 11 is positioned by the double spring pieces 16 and the blocking ribs 18, the pins are three, and the variable plug can be inserted into the three holes of the power panel or the wiring board of the wall.

[0032] 12. If the wire hole of the power panel or the wiring board of the wall is only two holes, the two-pin mode is selected, the zero wire pin 7 and the fire wire pin 8 are rotated by hand to be in the vertical state, the hand grip 15 is pinched, the inner included angle of the double spring pieces 16 is reduced, the ground wire pin 11 can be completely retracted through the gap between the two blocking ribs 18, when the double spring pieces 16 are located at the end of the slide groove 19 away from the plug cover plate 10, the hand grip 15 is released, at this time the ground wire pin 11 is positioned by the end point of the slide groove 19, the pins are two, and the variable plug can be inserted into the two holes of the power panel or the wiring board of the wall.

[0033] 13. In order to make the drawings simple, Figure 1 and Figure 2The light emitting diode D and the current limiting resistor R on the aluminum bottom plate 25 are not marked and the connection wires are not drawn, Figure 3 and Figure 4 The light emitting diode D in the above-mentioned circuit principle diagram is not drawn in a real object form but is represented by a symbol so as not to redraw the circuit principle diagram.

[0034] 14. The pointer 42 and the positioning mark 44 are convenient for recognizing the rotating direction and the positioning position when the rotating hub 3 and the plug are rotating. The materials of the plug shell 1, the plug cover plate 10, the socket shell 28 and the socket bottom plate 31 are engineering plastics and the thicknesses are all 0.8 millimeters. The materials of the double spring sheet 16 and the fork spring sheet 22 are phosphor copper. The thickness of the double spring sheet 16 is 0.6 millimeter and the thickness of the fork spring sheet 22 is 0.5 millimeter. The light emitting diode D and the current limiting resistor R are both patch-shaped. The light emitting color of the light emitting diode is white light. The resistance value of the current limiting resistor R is 180KΩ. In order to make the zero line plug 7 and the fire line plug 8 not to pull out the wire when rotating, the local part of the wire can be arched in an Ω shape or can be wound in a spring shape.

Claims

1. A variable pin notebook computer power adapter adapter, comprising a plug shell (1), long screw seat (2), hub (3), hub seat (4), triangular recess (5), triangular rib (6), zero line pin (7), fire pin (8), long screw hole (9), plug cover plate (10), ground pin (11), convex drum (12), rectangular hole (13), circular table mouth (14), hand pinch (15), double spring leaf (16), arc column rib (17), blocking rib (18), sliding groove (19), slide rail (20), spring leaf bayonet (21), fork spring (22), wire (23), welding point (24), aluminum bottom plate (25), transparent cover (26), card seat (27), socket shell (28), short screw seat (29), short screw (30), socket bottom plate (31), tube spring (32), three core plug (33), socket (34), adhesion (35), clamping foot (36), bayonet (37), reinforcing ring (38), long screw (39), arc-shaped elastic sheet (40), vacancy (41), pointer (42), positioning block (43), positioning mark (44), positioning groove (45), light emitting diode D and current limiting resistor R; characterized in that The plug shell (1) and the socket shell (28) are interconnected to form a shell body, the plug cover plate (10), the hub seat (4), the long screw hole (9) and the rectangular hole (13) constitute a plug part, the socket bottom plate (31), the three core plug (33), the adhesion (35) and the clamping foot (36) constitute a socket part, the hub (3), the hand pinch (15), the double spring leaf (16), the blocking rib (18), the sliding groove (19), the slide rail (20), the arc-shaped elastic sheet (40) and the vacancy (41) constitute a variable mechanism, the shell body is inverted L-shaped, the socket shell (28) is provided with a double-track-shaped card seat (27) in the top corner on one side, the card seat (27) is embedded with an aluminum bottom plate (25), the aluminum bottom plate (25) is provided with a light emitting diode D and a current limiting resistor R, the light emitting diode is provided with a transparent cover (26) outside, the side of the transparent cover (26) is triangular, and a plurality of small convex points are arranged on the inner wall of the transparent cover (26), and the transparent cover (26) is clamped on the socket shell (28) at the top corner. The plug cover plate (10) is provided with a long screw hole (9) in the center, and is connected with the long screw seat (2) through the long screw hole (9) and a long screw (39). Two symmetrical hub seats (4) are arranged on the inner wall of the lower part of the plug cover plate (10), and a rotating hub (3) is embedded in the hub seat (4). The side surface of the rotating hub (3) is in an inverted H shape, and the rotating hub (3) can rotate in the hub seat (4). The bottom of the rotating hub (3) is provided with a partial vacancy (41), and an arc-shaped elastic sheet (40) is arranged on the circumference of the rotating hub (3) at the vacancy (41). The arc-shaped elastic sheet (40) is provided with a triangular rib (6) at the bottom end. The triangular rib (6), the arc-shaped elastic sheet (40) and the rotating hub (3) are integrated, the triangular rib (6) can be clamped in a triangular recess (5), and when the rotating hub (3) rotates, the triangular rib (6) can be separated from the original triangular recess (5) and enter another triangular recess (5) under the elastic action of the arc-shaped elastic sheet (40). The zero line plug pin (7) and the live wire plug pin (8) are respectively inserted into the two rotating hubs (3). The upper part of the plug cover plate (10) is provided with a rectangular hole (13), and the rectangular hole (13) and a fork-shaped spring sheet (22) in a sliding rail (20) are provided with a ground wire plug pin (11) inserted therein. The ground wire plug pin (11) can slide in the rectangular hole (13) and the fork-shaped spring sheet (22). The upper surface of one end of the ground wire plug pin (11) is provided with inverted herringbone-shaped double spring sheets (16), and the bottom end of the double spring sheets (16) is connected with the ground wire plug pin (11) by welding. The double spring sheets (16) pass through a sliding groove (19) and can slide in the sliding groove (19). The two top edges of the double spring sheets (16) are provided with arc column ribs (17), and the arc column ribs (17) are provided with soft rubber hand grips (15) outside. The arc column ribs (17) can reduce the wear of the hand grips (15) by the double spring sheets (16), and can also clamp the hand grips (15).

2. The adapter of claim 1, wherein: The zero line plug pin (7), the live wire plug pin (8) and one end of the fork-shaped spring sheet (22) are connected with three tube springs (32) of a three-core plug (33) through wires (23) and welding points (24), respectively. The zero line plug pin (7) and the live wire plug pin (8) are connected with one end of a light emitting diode D and a current limiting resistor R through wires (23) and welding points (24), respectively. The other end of the light emitting diode D and the current limiting resistor R are connected with each other.

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