A rotary conversion plug

Abstract

The present invention relates to the field of conductive connection, and in particular to a rotary conversion plug, comprising a conversion seat, two bearing rings are symmetrically arranged on the outer side of the conversion seat, a rotating ring is fitted on the outer surfaces of the two bearing rings, an L-shaped frame is fixedly installed on the upper ends of the two rotating rings, a pressure seat is slidably installed between the two L-shaped frames, two through slots are provided through the middle of the pressure seat, two groups of long pressing ears are fixedly installed in the middle of the lower end of the pressure seat, the two groups of long pressing ears correspond to the two through slots respectively, a short pressing ear extends near the middle of the lower end of the pressure seat, a rotation-blocking member is arranged between the rotating ring and the bearing ring, a locking member is arranged between the bearing ring and the conversion seat, a clamping stud is screwed through the end of the L-shaped frame, and the lower end of the clamping stud is clamped on the pressure seat. The present invention ensures the stability of the conductive connection, and is convenient for use and meets the use requirements.

Description

Technical Field

[0001] The invention relates to the field of conductive connection, in particular to a rotary conversion plug. Background Art

[0002] A conversion plug, also called a conversion socket or power converter, is a device that can convert one type of power plug into another type so that plugs of different shapes can be used. It can be seen that the conversion plug is a very practical power converter that solves the problem of mismatching plug types of different electrical appliances.

[0003] In some construction sites, conversion plugs are often used to plug into electrical plugs on the site for power supply. During the power supply process, the location of the electrical appliances is often moved continuously due to construction needs. During the movement, the wires need to be pulled synchronously so that they can adapt to the movement of the electrical appliances. When the wires are pulled, the plugs often become loose and the power is cut off, resulting in an unstable conductive connection. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a rotary conversion plug.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: a rotary conversion plug, including a conversion seat, two bearing rings are symmetrically arranged on the outer side of the conversion seat, and the outer surfaces of the two bearing rings are fitted with rotating rings, and the upper ends of the two rotating rings are fixedly installed with L-shaped frames, and a pressure seat is slidably installed between the two L-shaped frames, and two through grooves are penetrated through the middle part of the pressure seat, and two groups of long pressing ears are fixedly installed in the middle part of the lower end of the pressure seat, and the two groups of long pressing ears correspond to the two through grooves respectively, and a short pressing ear extends near the middle of the lower end of the pressure seat, an anti-rotation member is arranged between the rotating ring and the bearing ring, and a locking member is arranged between the bearing ring and the conversion seat, and a clamping stud is penetrated and tightened at the end of the L-shaped frame, and the lower end of the clamping stud is pressed on the pressure seat.

[0006] Preferably, a guide sleeve is fixedly installed on the end of the pressure seat, a guide column is slidably installed inside the guide sleeve, one end of the guide column is fixed to the inner upper end of the L-shaped frame, the other end of the guide column is fixed to the upper end of the rotating ring, and a handwheel is coaxially fixedly installed on the upper end of the clamping stud, and the number of long pressure ears in each group is two.

[0007] Preferably, the locking member includes a connecting frame fixedly installed between two carrying rings, a carrying frame is fixedly installed in the middle of the upper end of the connecting frame, a pushing frame sleeve is elastically installed inside the carrying frame, push ear frames are connected to both sides of the pushing frame sleeve, the upper end of the carrying frame is penetrated by a column sleeve, both ends of the column sleeve are penetrated by ear columns slidably installed, the ear columns are connected to the pushing ear frames, L-shaped ears extend from the upper edge of the ear columns, and two slots are symmetrically opened in the middle of the lower end of the conversion seat, and the L-shaped ears are engaged with the inside of the slots.

[0008] Preferably, a No. 2 connecting ear extends from the lower edge of the ear column, and the end of the No. 2 connecting ear is rotatably connected to one end of the push ear frame. Two No. 1 connecting ears are symmetrically extended from the outer surface of the push frame sleeve, and the No. 1 connecting ear passes through both sides of the carrier frame. The end of the No. 1 connecting ear is rotatably connected to the other end of the push ear frame.

[0009] Preferably, slide grooves are provided on both sides of the carrier frame, the No. 1 connecting ear is fitted inside the slide groove, a sleeve rod is fixedly installed between the upper and lower end surfaces inside the carrier frame, the push frame sleeve is fitted on the outer surface of the sleeve rod, and a pull ear extends from the front end of the push frame sleeve.

[0010] Preferably, support columns extend from the front and rear end edges of the conversion seat, two bracket ears extend symmetrically inside the carrying ring, the support columns fit inside the bracket ears, a tensioning spring is wound around the outside of the sleeve rod, one end of the tensioning spring is fixed to the inner lower end of the carrier frame, and the other end of the tensioning spring is fixed to the lower end of the push frame sleeve.

[0011] Preferably, the anti-rotation component includes a carrier shell installed on the outer surface of one of the rotating rings, and the outer surfaces of the two carrier rings are coaxially extended with convex rings, and the convex rings are fitted to the inner surfaces of the rotating rings. A fixing pin is coaxially arranged inside the carrier shell, and both ends of the fixing pin pass through both ends of the carrier shell. The fixing pin is slidably matched with the carrier shell, and one end of the fixing pin passes through the outer surface of one of the rotating rings and the outer surface of one of the convex rings in sequence.

[0012] Preferably, a pin cap is coaxially inlaid on the outer surface of the fixing pin, and the pin cap is fitted to the inner surface of the carrier shell. A fixing spring is wound around the outer side of the fixing pin, one end of the fixing spring is fixed to the pin cap, and the other end of the fixing spring is fixed to the inner upper end of the carrier shell. A pin hole is provided on the outer surface of one of the convex rings, and one end of the fixing pin is fitted to the inside of the pin hole. A solid shell frame is fixedly installed on the outer surface of the carrier shell, and an end of the solid shell frame is fixed to one of the rotating rings.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. When the two-pin plug, the three-pin plug and the conversion seat are plugged in, the rotating ring can be rotated so that the pressure seat can be rotated to the top of the two-pin plug and the three-pin plug. At this time, the fixing pin in the carrier shell is pushed out by the fixing spring to enter the pin hole on the convex ring to fix the rotated rotating ring. Then the pressing stud is rotated to push the pressure seat. At this time, the guide sleeve slides on the guide post to guide the moving pressure seat so that the short pressing ear on the pressure seat can be pressed on the upper end of the three-pin plug, and the two long pressing ears can be pressed on both sides of the two-pin plug respectively, so as to firmly press the three-pin plug and the two-pin plug on the conversion seat, so that the two can be stably plugged in, so that when the wires are pulled, there will be no loosening or power failure between the three-pin plug, the two-pin plug and the conversion seat, thereby ensuring the stability of the conductive connection.

[0015] 2. Pass the conversion seat through the carrying ring so that the support column on the conversion seat can be engaged in the bracket ear on the carrying ring. At this time, the tightening spring pushes the push frame sleeve so that the push frame sleeve can slide on the surface of the sleeve rod to drive the push ear frame to move, so as to push the two ear columns at the same time, so that the two ear columns can slide out in the column sleeve, and the L-shaped ear is driven by the extended ear column to move sideways and enter the interior of the slot, so that the slot and the L-shaped ear can be engaged together, that is, the conversion seat is assembled in the carrying ring for use. The process is simple to operate and effectively facilitates use. At the same time, the two can be separated so that the conversion seat can be used separately according to the needs of the scene to meet the needs of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a rotary conversion plug of the present invention;

[0017] Figure 2 It is a schematic diagram of a rotating ring of a rotary conversion plug of the present invention;

[0018] Figure 3 It is a cross-sectional view of a carrier shell of a rotary conversion plug of the present invention;

[0019] Figure 4 It is a schematic diagram of a carrier frame of a rotary conversion plug of the present invention;

[0020] Figure 5 An internal view of a slot of a rotary conversion plug of the present invention;

[0021] Figure 6 This is a usage view of a rotary conversion plug of the present invention.

[0022] In the figure: 1. conversion seat; 2. load-bearing ring; 3. rotating ring; 4. pressure seat; 5. short pressure ear; 6. through slot; 7. long pressure ear; 8. connecting frame; 9. carrier frame; 10. support column; 11. bracket ear; 12. solid shell frame; 13. carrier shell; 14. L-shaped frame; 15. guide column; 16. guide sleeve; 17. hand wheel; 18. clamping stud; 19. slot; 20. L-shaped plug ear; 21. ear column; 22. push ear frame; 23. No. 1 connecting ear; 24. push frame sleeve; 25. sleeve rod; 26. tightening spring; 27. pull ear; 28. column sleeve; 29. ​​No. 2 connecting ear; 30. slide groove; 31. fixing spring; 32. pin cap; 33. fixing pin; 34. convex ring; 35. pin hole; 36. two-pin plug; 37. three-pin plug. DETAILED DESCRIPTION

[0023] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0024] like Figure 1-Figure 6 A rotary conversion plug shown in the figure comprises a conversion seat 1, and two bearing rings 2 are symmetrically arranged on the outer side of the conversion seat 1. The bearing rings 2 can carry the rotating ring 3 on the one hand, and can separate the conversion seat 1 from the ground on the other hand to reduce the damage caused by the conversion seat 1 and the ground. The outer surfaces of the two bearing rings 2 are fitted with rotating rings 3, and the upper ends of the two rotating rings 3 are fixedly installed with L-shaped frames 14, and the L-shaped frames 14 play the role of carrying the clamping studs 18. A pressure seat 4 is slidably installed between the two L-shaped frames 14, and two through grooves 6 are provided in the middle of the pressure seat 4, and the through grooves 6 play the role of allowing the wires of the two-pin plug 36 to pass through. The middle of the lower end of the pressure seat 4 is fixed Two groups of long pressing ears 7 are installed, and the long pressing ears 7 play a role. The two groups of long pressing ears 7 correspond to the two through grooves 6 respectively. A short pressing ear 5 extends from the lower end of the pressing seat 4 near the middle. An anti-rotation member is provided between the rotating ring 3 and the bearing ring 2, and a locking member is provided between the bearing ring 2 and the conversion seat 1. The short pressing ear 5 can be pressed tightly on the upper end of the three-pin plug 37, and the long pressing ears 7 can be pressed tightly on both sides of the two-pin plug 36 respectively, so as to firmly press the three-pin plug 37 and the two-pin plug 36 on the conversion seat 1 so that the two can be stably plugged together. A clamping stud 18 is screwed through the end of the L-shaped frame 14, and the clamping stud 18 plays a role in clamping the pressing seat 4, and the lower end of the clamping stud 18 is pressed tightly on the pressing seat 4.

[0025] A guide sleeve 16 is fixedly installed at the end of the pressure seat 4, and a guide column 15 is slidably installed inside the guide sleeve 16. The guide sleeve 16 and the guide column 15 play a role in guiding the pressure seat 4. One end of the guide column 15 is fixed to the inner upper end of the L-shaped frame 14, and the other end of the guide column 15 is fixed to the upper end of the rotating ring 3. A hand wheel 17 is coaxially fixedly installed on the upper end of the clamping stud 18. The hand wheel 17 plays a role in facilitating the rotation of the clamping stud 18. The number of each group of long pressing ears 7 is two.

[0026] The locking member includes a connecting frame 8 fixedly installed between the two carrying rings 2, a carrying frame 9 is fixedly installed in the middle of the upper end of the connecting frame 8, the connecting frame 8 plays a role in supporting the carrying frame 9, a pushing frame sleeve 24 is elastically installed inside the carrying frame 9, and both sides of the pushing frame sleeve 24 are connected to pushing ear frames 22, and the pushing frame sleeve 24 plays a role in driving the pushing ear frames 22 to move, and the upper end of the carrying frame 9 is penetrated and inlaid with a column sleeve 28, and both ends of the column sleeve 28 are penetrated and slidably installed with ear columns 21, and the column sleeve 28 plays a role in guiding the ear columns 21, the ear columns 21 are connected to the pushing ear frames 22, and an L-shaped ear 20 extends from the upper edge of the ear column 21. Two slots 19 are symmetrically provided in the middle of the lower end of the conversion seat 1, and the L-shaped ear 20 is engaged with the slot 19, so that the conversion seat 1 can be assembled in the carrying ring 2, and the L-shaped ear 20 is engaged with the inside of the slot 19.

[0027] A No. 2 connecting ear 29 extends from the lower edge of the ear column 21, and the end of the No. 2 connecting ear 29 is rotatably connected to one end of the push ear frame 22, and the No. 2 connecting ear 29 serves to facilitate the connection with the push ear frame 22. The outer surface of the push frame sleeve 24 has two No. 1 connecting ears 23 symmetrically extending therefrom, and the No. 1 connecting ear 23 passes through the two sides of the carrier frame 9. The end of the No. 1 connecting ear 23 is rotatably connected to the other end of the push ear frame 22, and the No. 1 connecting ear 23 serves to facilitate the connection with the push ear frame 22.

[0028] Slide grooves 30 are provided on both sides of the carrier frame 9, and the No. 1 connecting ear 23 is fitted inside the slide groove 30, and the slide groove 30 serves to allow the No. 1 connecting ear 23 to extend. A sleeve rod 25 is fixedly installed between the upper and lower end surfaces of the interior of the carrier frame 9, and the push frame sleeve 24 is fitted on the outer surface of the sleeve rod 25, and the sleeve rod 25 serves to guide the push frame sleeve 24. A dial ear 27 extends from the front end of the push frame sleeve 24, and the dial ear 27 serves to facilitate the dialing of the push frame sleeve 24.

[0029] Support columns 10 are extended from the front and rear end edges of the conversion seat 1, and two bracket ears 11 are symmetrically extended inside the carrying ring 2. The support columns 10 and the bracket ears 11 play the role of supporting the conversion seat 1 in the carrying ring 2. The support columns 10 fit inside the bracket ears 11, and a tightening spring 26 is wrapped around the outside of the sleeve rod 25. One end of the tightening spring 26 is fixed to the inner lower end of the carrier frame 9. The tightening spring 26 plays the role of pushing the push frame sleeve 24, and the other end of the tightening spring 26 is fixed to the lower end of the push frame sleeve 24.

[0030] The anti-rotation component includes a carrier shell 13 installed on the outer surface of one of the rotating rings 3. The carrier shell 13 serves to support the fixing pin 33. The outer surfaces of the two carrier rings 2 are coaxially extended with convex rings 34. The convex rings 34 are fitted to the inner surface of the rotating ring 3. The convex rings 34 serve to prevent the carrier rings 2 and the rotating ring 3 from separating. A fixing pin 33 is coaxially arranged inside the carrier shell 13. Both ends of the fixing pin 33 pass through both ends of the carrier shell 13. The fixing pin 33 is slidably matched with the carrier shell 13. One end of the fixing pin 33 passes through the outer surface of one of the rotating rings 3 and the outer surface of one of the convex rings 34 in sequence. The fixing pin 33 serves to fix the rotating ring 3.

[0031] A pin cap 32 is coaxially inlaid on the outer surface of the fixing pin 33, and the pin cap 32 fits the inner surface of the carrier shell 13. The pin cap 32 plays the role of being pushed by the fixing spring 31. A fixing spring 31 is wound around the outer side of the fixing pin 33, and one end of the fixing spring 31 is fixed to the pin cap 32, and the other end of the fixing spring 31 is fixed to the inner upper end of the carrier shell 13. The fixing spring 31 plays the role of pushing the fixing pin 33 into the pin hole 35. A pin hole 35 is provided on the outer surface of one of the convex rings 34, and the pin hole 35 plays the role of cooperating with the fixing pin 33. One end of the fixing pin 33 fits the inside of the pin hole 35. A solid shell frame 12 is fixedly installed on the outer surface of the carrier shell 13, and the solid shell frame 12 plays the role of fixing the carrier shell 13. The end of the solid shell frame 12 is fixed to one of the rotating rings 3.

[0032] When in use, the conversion seat 1 is passed through the carrying ring 2, so that the bracket 10 on the conversion seat 1 can be engaged in the bracket ear 11 on the carrying ring 2. At this time, the tightening spring 26 pushes the push frame sleeve 24, so that the push frame sleeve 24 can slide on the surface of the sleeve rod 25, so as to drive the push ear frame 22 to move, so as to push the two ear columns 21 at the same time, so that the two ear columns 21 can slide out in the column sleeve 28, so as to drive the L-shaped ear 20 to move sideways through the extended ear column 21 and enter the interior of the slot 19, so that the slot 19 and the L-shaped ear 20 can be engaged together, that is, the conversion seat 1 is assembled in the carrying ring 2, and then the two-pin plug 36 and the three-pin plug 37 of the equipment used in the construction site can be inserted into the conversion seat 1 for power on, and when the two-pin plug 36, the three-pin plug 37 and the conversion seat 1 are plugged in, the rotating ring 3 can be operated. The pressing seat 4 is rotated so that the pressing seat 4 can be rotated to the top of the two-pin plug 36 and the three-pin plug 37. At this time, the fixing pin 33 in the carrier shell 13 is pushed out by the fixing spring 31 to enter the pin hole 35 on the convex ring 34 to fix the rotating ring 3 after rotation. Then the pressing stud 18 is rotated to push the pressing seat 4. At this time, the guide sleeve 16 slides on the guide column 15 to guide the moving pressing seat 4, so that the short pressing ear 5 on the pressing seat 4 can be pressed against the upper end of the three-pin plug 37, and the two long pressing ears 7 can be pressed against the two sides of the two-pin plug 36 respectively, so as to firmly press the three-pin plug 37 and the two-pin plug 36 on the conversion seat 1, so that the two can be stably plugged together, so that when the wires are pulled, there will be no loosening or power failure between the three-pin plug 37, the two-pin plug 36 and the conversion seat 1.

[0033] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A rotary conversion plug, comprising a conversion socket (1), characterized in that: Two bearing rings (2) are symmetrically arranged on the outer side of the conversion seat (1), and a rotating ring (3) is fitted on the outer surfaces of the two bearing rings (2). An L-shaped frame (14) is fixedly installed on the upper ends of the two rotating rings (3). A pressure seat (4) is slidably installed between the two L-shaped frames (14). Two through grooves (6) are penetrated through the middle of the pressure seat (4). Two groups of long pressing ears (7) are fixedly installed in the middle of the lower end of the pressure seat (4). The two groups of long pressing ears (7) correspond to the two through grooves (6) respectively. A short pressing ear (5) extends from the lower end of the pressure seat (4) near the middle. A rotation-blocking member is arranged between the rotating ring (3) and the bearing ring (2), and a The locking member comprises a locking member, wherein a clamping stud (18) is screwed through the end of the L-shaped frame (14), and the lower end of the clamping stud (18) is pressed against the pressure seat (4). The locking member comprises a connecting frame (8) fixedly mounted between two bearing rings (2). A carrier frame (9) is fixedly mounted in the middle of the upper end of the connecting frame (8). A push frame sleeve (24) is elastically mounted inside the carrier frame (9). Both sides of the push frame sleeve (24) are connected to push ear frames (22). A column sleeve (28) is embedded through the upper end of the carrier frame (9). Both ends of the column sleeve (28) are slidably mounted with ear columns (21). The ear columns (21) are connected to the push ear frames (22). An L-shaped plug ear (21) is extended from the upper edge of the ear column (21). 20), two slots (19) are symmetrically provided in the middle of the lower end of the conversion seat (1), the L-shaped plug ear (20) is engaged with the inside of the slot (19), a No. 2 connecting ear (29) is extended from the lower edge of the ear column (21), the end of the No. 2 connecting ear (29) is rotatably connected to one end of the push ear frame (22), the outer surface of the push frame sleeve (24) is symmetrically extended with two No. 1 connecting ears (23), the No. 1 connecting ear (23) passes through the two sides of the carrier frame (9), the end of the No. 1 connecting ear (23) is rotatably connected to the other end of the push ear frame (22), the anti-rotation component includes a carrier shell (13) installed on the outer surface of one of the rotating rings (3), and the outer surfaces of the two bearing rings (2) are coaxial A convex ring (34) is extended, and the convex ring (34) is attached to the inner surface of the rotating ring (3). A fixing pin (33) is coaxially arranged inside the carrier shell (13). Two ends of the fixing pin (33) pass through the two ends of the carrier shell (13). The fixing pin (33) and the carrier shell (13) are slidably matched. One end of the fixing pin (33) passes through the outer surface of one of the rotating rings (3) and the outer surface of one of the convex rings (34) in sequence. A pin cap (32) is coaxially inlaid on the outer surface of the fixing pin (33). The pin cap (32) is attached to the inner surface of the carrier shell (13). A fixing spring (31) is wound around the outer side of the fixing pin (33). One end of the fixing spring (31) is fixed to the pin cap (32).The other end of the fixing spring (31) is fixed to the inner upper end of the carrier shell (13), a pin hole (35) is formed on the outer surface of one of the convex rings (34), one end of the fixing pin (33) is fitted into the inner part of the pin hole (35), a fixed shell frame (12) is fixedly mounted on the outer surface of the carrier shell (13), and an end of the fixed shell frame (12) is fixed to one of the rotating rings (3).

2. A rotary conversion plug according to claim 1, characterized in that: A guide sleeve (16) is fixedly mounted on the end of the pressure seat (4), a guide column (15) is slidably mounted inside the guide sleeve (16), one end of the guide column (15) is fixed to the inner upper end of the L-shaped frame (14), the other end of the guide column (15) is fixed to the upper end of the rotating ring (3), a hand wheel (17) is coaxially fixedly mounted on the upper end of the clamping stud (18), and the number of each group of long pressing ears (7) is two.

3. A rotary conversion plug according to claim 1, characterized in that: Slide grooves (30) are provided on both sides of the carrier frame (9), the No. 1 connecting ear (23) is fitted inside the slide groove (30), a sleeve rod (25) is fixedly installed between the upper and lower end surfaces inside the carrier frame (9), the push frame sleeve (24) is fitted on the outer surface of the sleeve rod (25), and a pull ear (27) extends from the front end of the push frame sleeve (24).

4. A rotary conversion plug according to claim 3, characterized in that: Support columns (10) extend from the front and rear end edges of the conversion seat (1), two bracket ears (11) extend symmetrically inside the carrying ring (2), the support columns (10) fit inside the bracket ears (11), a tensioning spring (26) is wound around the outside of the sleeve rod (25), one end of the tensioning spring (26) is fixed to the inner lower end of the carrier frame (9), and the other end of the tensioning spring (26) is fixed to the lower end of the push frame sleeve (24).

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