CN111585118A

CN111585118A - Switch socket

Info

Publication number: CN111585118A
Application number: CN202010535894.XA
Authority: CN
Inventors: 潘俐; 邵文宇; 董淑文
Original assignee: Hangzhou Yinhu Mechanical Spring Co ltd
Current assignee: Hangzhou Yinhu Mechanical Spring Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-08-25

Abstract

The invention belongs to the technical field of sockets, and particularly relates to a switch socket which comprises a socket shell, jacks, a wire access port, a plug module and a connecting piece, wherein the plug module consists of a safety door and a conductive module which are arranged in the installation shell; if two sockets are inserted with the bolt, the second safety door is triggered at the moment, but the second live wire connecting piece is not electrified, and under this state, if the user inserts three sockets simultaneously with two thinner metal materials, or three sockets can not be electrified when inserting in proper order with metal materials. The socket designed by the invention can ensure that the electric shock is possible only when the socket is inserted with holding metal materials equivalent to the plug inserting pieces, and the electric shock is not caused under any other condition, thereby improving the safety of the socket.

Description

Switch socket

Technical Field

The invention belongs to the technical field of sockets, and particularly relates to a switch socket.

Background

A socket is a receptacle into which one or more circuit connections can be inserted, through which various connections can be inserted to facilitate connection to other circuits.

The existing socket is generally provided with a protective door, so that certain safety is achieved; there are many disadvantages, however, such as:

1. after people take two conductive materials to sequentially insert two sockets of a live wire and a zero line, the protective door is sequentially opened, and electric shock can be caused at the moment.

2. After people take two conductive materials and insert two sockets of live wire and zero line simultaneously, the protective door is opened simultaneously, and electric shock can be caused at the moment.

3. For the socket with two-end and three-end sockets, after the three-end or two-end sockets are inserted, the protective door at the position is opened, and then if a person holds two conductive materials and inserts the two sockets of the remaining live wire and zero wire sequentially or simultaneously, electric shock can be caused.

The invention designs a switch socket to solve the problems.

Disclosure of Invention

In order to solve the above defects in the prior art, the invention discloses a switch socket, which is realized by adopting the following technical scheme.

A switch socket comprises a socket shell, jacks, a wire access port, a plug module and a connecting piece, wherein the socket shell is divided into an upper layer and a lower layer, and the two layers of socket shells are connected through a buckle; one end of the socket shell is provided with an electric wire access port, and the bottom surface of one end of the socket shell close to the electric wire access port is fixedly provided with two connecting pieces; the plug modules are uniformly arranged in the socket shell, and the plug modules close to the two connecting pieces are respectively and fixedly connected with two wires which are accessed through the wire access ports and wound on the two connecting pieces through the zero line access pieces and the live line access pieces; the method is characterized in that: the plug module is composed of a safety door and a conductive module which are arranged in an installation shell.

The conductive module comprises a conductive piece mounting shell, a live wire conductive piece, a first live wire connecting piece, a second live wire connecting piece, a zero line conductive piece and a ground wire connecting piece, wherein the lower end of the conductive piece mounting shell is fixedly mounted on the bottom surface in the mounting shell, and a plurality of divided groove bodies are arranged in the conductive mounting shell; the zero line connecting sheet is fixedly arranged on the inner wall surface of the mounting shell; the zero line conducting strip is formed by connecting two parts of a zero line two-end inserting piece and a zero line three-end inserting piece, the zero line conducting strip is installed in the conductive installation shell, and one end of the zero line conducting strip is fixedly connected with the zero line connecting piece; the live wire conducting strip is divided into two parts of a live wire two-end inserting piece and a live wire three-end inserting piece, the live wire two-end inserting piece and the live wire three-end inserting piece are respectively installed in the conductive installation shell, a live wire two-plug and a zero line two-plug are located on one side in the guide installation shell, and a live wire three-plug and a zero line three-plug are located on the other side in the guide installation shell; the first live wire connecting piece and the second live wire connecting piece are respectively arranged in the lead mounting shell, and the second live wire connecting piece is fixedly connected with the two live wire plugs; one side of each of the two plugs of the live wire is provided with a first connecting piece, and the first connecting pieces are matched with the first live wire connecting pieces; a second connecting piece is arranged on one side of the live wire three-plug and matched with the second live wire connecting piece; the ground wire inserted sheet is installed in electrically conductive installation shell, and ground wire connection piece fixed mounting is in electrically conductive installation shell, and the ground wire connection piece is connected with the ground wire inserted sheet.

The safety door comprises a primary safety door and a secondary safety door.

The second safety door comprises a first swing plate, a second swing plate, a rack, a first plate spring, a second mounting shaft, a first gear, a reset spring, limiting blocks, a first trigger rod, a first connecting rod, a sliding block, a second gear, a gear shaft, a metal conductive sliding block, a first U-shaped touch spring, a U-shaped support, a second U-shaped touch spring, a second plate spring, a connecting plate, an arc-shaped connecting sheet, a third plate spring, a mounting plate and a support shell, wherein the two limiting blocks are symmetrically and slidably mounted in the mounting shell, and the reset springs are respectively mounted between the two limiting blocks and the mounting shell; the lower end of one side of the two limiting blocks is slidably provided with a first U-shaped touch spring and a second U-shaped touch spring, the first U-shaped touch spring and the second U-shaped touch spring have the same structure, and one ends of the first U-shaped touch spring and the second U-shaped touch spring are provided with first reset slopes; when the two limiting blocks do not slide in a triggering mode, one ends, provided with first reset inclined planes, of the first U-shaped trigger spring and one end, provided with second reset inclined planes, of the second U-shaped trigger strip are located on the lower sides of the two limiting blocks in a one-to-one corresponding mode, and one ends, not provided with the first reset inclined planes, of the first U-shaped trigger spring and one end, provided with the second reset inclined planes, of the second U-shaped trigger strip are matched with the two limiting blocks in; the U-shaped support is fixedly arranged in the mounting shell, and a plurality of second plate springs are respectively arranged between the first U-shaped touch spring and the U-shaped support and between the second U-shaped touch spring and the U-shaped support; the lower ends of the other sides of the two limiting blocks are provided with metal conductive sliding blocks in a sliding mode, and the metal conductive sliding blocks are provided with connecting plates; the connecting plate is matched with the first live wire connecting sheet; the mounting plate is arranged on the lower side of the U-shaped support, and a plurality of third plate springs which are uniformly distributed are arranged between the mounting plate and the metal conductive sliding block; the metal conductive sliding block is connected with the first connecting sheet through the arc-shaped connecting sheet.

The mounting structures on the two sides of the two limiting blocks are completely the same, for any one of the two limiting blocks, one end of the first swinging plate is arranged in the mounting shell in a swinging mode, and a first plate spring is arranged between the lower side of the first swinging plate and the mounting shell; the two second swinging plates are rotatably arranged in the mounting shell through a second mounting shaft respectively, and are positioned on two sides of the first swinging plate; a first gear is respectively arranged on the two second mounting shafts, the two racks are respectively arranged in the mounting shell in a sliding manner, and a return spring is respectively arranged between each rack and the mounting shell; one end of each of the two racks is respectively meshed with the two first gears; the sliding block is slidably arranged in the mounting shell through the supporting shell, the gear shaft is fixedly arranged on the upper side of the sliding block, the second gear is rotatably arranged on the gear shaft, the second gear is respectively meshed with the other ends of the two racks, and the two racks are respectively positioned on two sides of the second gear; the first trigger rod is L-shaped, one end of the first trigger rod is fixedly installed on the sliding block through the first connecting rod, and the other end of the first trigger rod is in contact fit with the limiting block on one corresponding side.

The first safety door comprises a first swing plate, a second swing plate, a rack, a first plate spring, a second mounting shaft, a first gear, a limiting block, a second trigger rod, a second connecting rod, a sliding block, a second gear, a gear shaft, a metal conductive sliding block, a first U-shaped contact spring, a U-shaped support, a second U-shaped contact spring, a second plate spring, a connecting plate, an arc-shaped connecting sheet, a third plate spring, a mounting plate and a support shell; the primary safety door is different from the secondary safety door in that: the metal conductive sliding block is fixedly connected with the second connecting sheet through an arc-shaped connecting sheet, and a connecting plate arranged on the metal conductive module is matched with the second live wire connecting sheet; two sliders are respectively fixedly connected with two limiting blocks through a second connecting rod, one ends of two second trigger rods are respectively and fixedly installed on the two second connecting rods, and the other ends of the two second trigger rods are in contact fit with the two limiting blocks in the second safety door.

The ground wire connecting sheets in the adjacent plug modules are fixedly connected with each other; the zero line connecting pieces in the adjacent plug modules are fixedly connected with each other, and the zero line connecting piece in the plug module close to the connecting piece is fixedly connected with an electric wire extending into the inserting shell through the connecting piece; first live wire connection piece mutual fixed connection in the adjacent plug module, the first live wire connection piece in the plug module that is close to the connecting piece passes through live wire access piece and stretches into the electric wire that inserts in the casing and pass through connecting piece fixed connection.

As the further improvement of this technique, install respectively in the installation casing of above-mentioned plug module and play the first fixed strip of fixed stay effect and play the second fixed strip of fixed stay effect to first live wire connection piece.

As a further improvement of the technology, four guide shells are respectively and symmetrically installed in the installation shell of the plug module, a limiting plate is fixedly installed at one end of each guide rod, and the other ends of the four guide rods are respectively and fixedly installed on four limiting blocks; one ends of the four reset springs are respectively and fixedly installed on the four limiting blocks, and the other ends of the four reset springs are fixedly installed on the four guide shells.

As a further improvement of the technology, two guiding telescopic structures which play a guiding role for the two first trigger rods are symmetrically arranged in the mounting shell of the plug module respectively.

As a further improvement of the technology, eight second guide rods which play a role in guiding the first U-shaped trigger spring and the second U-shaped trigger strip are symmetrically installed in the installation shell of the plug module respectively; four third guide rods which play a role in guiding the metal conductive sliding blocks are symmetrically arranged in the installation shell of the plug module respectively.

As a further improvement of the technology, two pairs of supporting bars are symmetrically installed in the installation shell of the plug module respectively, a first installation shaft is installed at one end of the first swinging plate, and the two first installation shafts are installed on the two supporting bars in a swinging mode respectively.

As a further improvement of the technology, four guide square sleeves which play a guiding role for four racks are symmetrically arranged in the installation shell of the plug module respectively.

As a further improvement of the technology, two guide sleeves which play a guiding role for the two second connecting rods are symmetrically arranged in the installation shell of the plug module respectively.

As a further improvement of the technology, both ends of the metal conductive sliding block are provided with two second reset inclined planes.

As a further improvement of the present technology, an included angle between the second reset inclined plane and the bottom surface of the metal conductive slider is 45 degrees.

Compared with the traditional socket technology, the beneficial effects of the design of the invention are as follows:

1. according to the socket designed by the invention, if a person takes two thin metal materials and inserts the two thin metal materials simultaneously, the person can only touch one of the first swinging plate and the second swinging plate; when the first swing plate is touched and driven to swing downwards, the first swing plate does not construct any transmission relation with the limiting block, so that the metal conductive sliding block, the first connecting sheet and the second connecting sheet are not electrified in the state, namely, the inserted metal material is not electrified; when the second swinging plate is touched and driven to swing downwards, the limit block is pushed to slide for a distance which is not enough to enable the limit block to be separated from the upper end face of the metal conductive sliding block in the state; therefore, in this state, the metal conductive slider, the first connecting piece and the second connecting piece are not electrified, that is, the inserted metal material is not electrified. When the size of the inserted metal material is enough to drive the two swing plates to swing, the first swing plate is positioned between the two second swing plates, so that the metal material can only drive one of the second swing plates to swing downwards in the state, and the distance for driving the limiting block to move by the swing downwards is not enough to enable the limiting block to be separated from the upper end face of the metal conductive sliding block; therefore, in this state, the metal conductive slider, the first connecting piece and the second connecting piece are not electrified, that is, the inserted metal material is not electrified.

2. When the user takes metal material to insert in proper order, preferentially inserted metal material if thin, when inserting metal material is not enough to make two second pendulum boards lower hem simultaneously, one of them stopper is slided by the drive in two stoppers, and sliding distance is not enough to make its and the electrically conductive slider up end of metal break away from the time, two stoppers all are spacing to the electrically conductive slider of metal, the electrically conductive slider of metal just can not move up, the electrically conductive slider of metal does not energize this moment promptly, first connection piece and second connection piece do not energize, inserted metal material can not energize promptly. If the inserted metal material is enough to enable the two second swinging plates to swing downwards at the same time, one limiting block in the two limiting blocks is driven to slide, the sliding distance is enough to enable the limiting block to be separated from the upper end face of the metal conductive sliding block, but the other limiting block does not move and limit the metal conductive sliding block, the metal conductive sliding block cannot move upwards, namely the metal conductive sliding block is not electrified, the first connecting sheet and the second connecting sheet are not electrified, namely the inserted metal material is not electrified.

3. If two sockets are inserted with the bolt, the second safety door is triggered at the moment, but the second live wire connecting piece is not electrified, and under this state, if the user inserts three sockets simultaneously with two thinner metal materials, or three sockets can not be electrified when inserting in proper order with metal materials.

4. The socket designed by the invention can ensure that the electric shock is possible only when the socket is inserted with holding metal materials equivalent to the plug inserting pieces, and the electric shock is not caused under any other condition, thereby improving the safety of the socket.

Drawings

Fig. 1 is an external view of an entire part.

Fig. 2 is a schematic view of the overall component distribution.

Fig. 3 is an external view of the plug module.

Figure 4 is a schematic diagram of a plug module configuration.

Fig. 5 is a schematic view of the distribution of the primary safety door and the secondary safety door.

Fig. 6 is a schematic view of the structure of the secondary safety door.

Fig. 7 is a schematic view of the first wobble plate and the second wobble plate being installed.

Fig. 8 is a schematic view of a limiting block and a second gear transmission.

Fig. 9 is an installation schematic diagram of a limiting block, a metal conductive sliding block, a first U-shaped trigger spring and a second U-shaped trigger strip.

FIG. 10 is a schematic view of the installation of the limiting block, the first U-shaped trigger spring and the second U-shaped trigger spring.

Fig. 11 is a schematic view of the installation of the stopper and the metal conductive slider.

Fig. 12 is a schematic view of the structure of the primary safety door.

Fig. 13 is a second tab mounting view.

FIG. 14 is a second firing bar installation schematic.

Fig. 15 is a schematic view of a conductive module structure.

Fig. 16 is a schematic view of a conductive sheet mounting case structure.

Figure 17 is a neutral conductor sheet mounting schematic.

Fig. 18 is a schematic view of a ground blade installation.

Figure 19 is a schematic view of a hot wire two-end insert.

FIG. 20 is a schematic view of a hot wire triple-ended insert.

Number designation in the figures: 1. a socket housing; 2. a socket; 3. an electric wire access port; 4. a plug module; 5. a connecting member; 6. a zero line access piece; 7. a live wire access piece; 8. a safety door; 9. a conductive module; 10. a first safety door; 11. a secondary security gate; 12. a first connecting piece; 13. a first fixing strip; 14. a first swing plate; 15. a second swing plate; 16. a rack; 17. a first mounting shaft; 18. a first plate spring; 19. a supporting strip; 20. a second mounting shaft; 21. a first gear; 22. a first guide bar; 23. a limiting plate; 24. a return spring; 25. a limiting block; 26. a guide housing; 27. a first trigger lever; 28. a first connecting rod; 29. a guiding telescopic structure; 30. a slider; 31. a second gear; 32. a gear shaft; 33. a metallic conductive slider; 34. a first U-shaped touch spring; 35. a first live wire connecting sheet; 36. a U-shaped support; 37. a second U-shaped touch spring; 38. a second plate spring; 39. a second guide bar; 40. a first reset ramp; 41. a switch-on plate; 42. a second reset ramp; 43. an arc-shaped connecting sheet; 44. a third guide bar; 45. a third plate spring; 46. mounting a plate; 47. a second connecting sheet; 48. a second fixing strip; 49. a second fire wire connecting piece; 50. a second connecting rod; 51. a second trigger lever; 52. a guide sleeve; 53. a conductive sheet mounting case; 54. a live wire conducting strip; 55. a zero line conducting strip; 56. a ground wire connecting sheet; 57. a ground wire insert; 58. inserting sheets at two ends of the zero line; 59. inserting pieces at two ends of a live wire; 60. a live wire three-head inserting piece; 61. a support housing; 62. zero line three-head inserting pieces; 63. installing a shell; 64. a zero line connecting sheet; 65. a guide square sleeve; 66. and a return spring.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, the socket comprises a socket shell 1, a jack 2, a wire access port 3, a plug module 4 and a connecting piece 5, wherein the socket shell 1 is divided into an upper layer and a lower layer, and the two layers of socket shells 1 are connected through a buckle; one end of the socket shell 1 is provided with an electric wire access 3, and the bottom surface of the socket shell 1 close to one end of the electric wire access 3 is fixedly provided with two connecting pieces 5; the plug modules 4 are uniformly installed in the socket shell 1, and the plug modules 4 close to the two connecting pieces 5 are respectively and fixedly connected with two wires which are accessed through the wire access ports 3 and wound on the two connecting pieces 5 through the zero line access pieces 6 and the live wire access pieces 7; the method is characterized in that: as shown in fig. 3 and 4, the plug module 4 is composed of two parts, namely a safety door 8 and a conductive module 9 which are arranged in a mounting shell 63.

As shown in fig. 15, the conductive module 9 includes a conductive sheet mounting shell 53, a live wire conductive sheet 54, a first live wire connection sheet 35, a second live wire connection sheet 49, a neutral wire connection sheet 64, a neutral wire conductive sheet 55, and a ground wire connection sheet 56, wherein as shown in fig. 3, 4, and 16, the lower end of the conductive sheet mounting shell 53 is fixedly mounted on the bottom surface inside a mounting shell 63, and the conductive mounting shell has a plurality of divided slots therein; as shown in fig. 15, the neutral connection piece 64 is fixedly attached to the inner wall surface of the mounting case 63; as shown in fig. 17, the neutral conductive piece 55 is formed by connecting two neutral insertion pieces 58 and a three-neutral insertion piece 62, the neutral conductive piece 55 is installed in the conductive installation shell, and one end of the neutral conductive piece is fixedly connected with the neutral connection piece 64; as shown in fig. 19 and 20, the live wire conducting strip 54 is divided into two parts, namely a live wire two-end inserting strip 59 and a live wire three-end inserting strip 60, the live wire two-end inserting strip 59 and the live wire three-end inserting strip 60 are respectively installed in the conductive installation shell, the live wire two-plug and the zero wire two-plug are located on one side in the guide installation shell, and the live wire three-plug and the zero wire three-plug are located on the other side in the guide installation shell; as shown in fig. 15, the first live wire connecting piece 35 and the second live wire connecting piece 49 are respectively installed in the lead installation shell, and the second live wire connecting piece 49 is fixedly connected with two plugs of the live wire; a first connecting piece 12 is arranged on one side of each of the two plugs of the live wire, and the first connecting piece 12 is matched with the first live wire connecting piece 35; a second connecting piece 47 is arranged on one side of the live wire three-plug, and the second connecting piece 47 is matched with a second live wire connecting piece 49; as shown in fig. 15, the ground blades 57 are mounted in the conductive mounting shell, as shown in fig. 18, the ground connection blades 56 are fixedly mounted in the conductive mounting shell, and the ground connection blades 56 are connected with the ground blades 57.

The connection mode of the ground wire and the zero line is the same as that of the ground wire and the zero line of a common socket; in the invention, each plug module 4 is a combined structure of two plugs and three plugs, and two or three plugs can be used; the live wire in each plug module 4 designed by the invention is divided into two live wire plugs for two-end plugs and three live wire plugs for three-end plugs. The invention needs to ensure that the designed live wire end and the designed zero line end are required to be correspondingly connected with the live wire and the zero line of the commercial power and cannot be exchanged randomly.

As shown in fig. 5, the safety door 8 includes a primary safety door 10 and a secondary safety door 11.

As shown in fig. 6, the secondary safety door 11 includes a first swing plate 14, a second swing plate 15, a rack 16, a first plate spring 18, a second mounting shaft 20, a first gear 21, a return spring 24, a stopper 25, a first trigger lever 27, a first connecting rod 28, a slider 30, a second gear 31, a gear shaft 32, a metal conductive slider 33, a first U-shaped trigger bar 34, a U-shaped support 36, a second U-shaped trigger spring 37, a second plate spring 38, a switch-on plate 41, an arc-shaped connecting plate 43, a third plate spring 45, a mounting plate 46 and a support housing 61, wherein as shown in fig. 9, the two stopper 25 are symmetrically and slidably mounted in the mounting housing 63, and as shown in fig. 8, one return spring 24 is respectively mounted between the two stoppers 25 and the mounting housing 63; as shown in fig. 10, a first U-shaped trigger bar 34 and a second U-shaped trigger spring 37 are slidably mounted at the lower end of one side of the two limit blocks 25, the first U-shaped trigger bar 34 and the second U-shaped trigger spring 37 have the same structure, and one end of each of the first U-shaped trigger bar 34 and the second U-shaped trigger spring 37 has a first reset inclined surface 40; the designed function of the first reset inclined plane 40 ensures that when the U-shaped trigger strip corresponding to the limiting block 25 moves upwards, and when the limiting block 25 resets, the U-shaped trigger strip is pressed downwards through the first reset inclined plane 40 to move downwards, so that the U-shaped trigger strip is matched with the limiting block 25 in motion; when the two limit blocks 25 do not trigger sliding, the ends, provided with the first reset inclined planes 40, of the first U-shaped trigger strip 34 and the second U-shaped trigger strip 37 are correspondingly positioned on the lower sides of the two limit blocks 25, respectively, and the ends, not provided with the first reset inclined planes 40, of the first U-shaped trigger strip 34 and the second U-shaped trigger strip 37 are correspondingly matched with the two limit blocks 25; as shown in fig. 9 and 10, the U-shaped support 36 is fixedly installed in the installation shell 63, and a plurality of second plate springs 38 are respectively installed between the first U-shaped trigger bar 34 and the U-shaped trigger spring 37, and between the U-shaped support 36; as shown in fig. 11, a metal conductive slider 33 is slidably mounted at the lower end of the other side of the two limiting blocks 25, and a connection plate 41 is mounted on the metal conductive slider 33; the connection plate 41 is matched with the first live wire connection piece 35; a mounting plate 46 is arranged on the lower side of the U-shaped support 36, and a plurality of uniformly distributed third leaf springs 45 are arranged between the mounting plate 46 and the metal conductive sliding block 33; the metal conductive slider 33 is connected to the first connecting piece 12 through an arc-shaped connecting piece 43.

In the invention, when the two limit blocks 25 are driven to slide towards two sides simultaneously, because the two limit blocks 25 respectively limit the first U-shaped trigger strip 34 and the second U-shaped trigger strip 37 on the lower side when the two limit blocks start sliding, the first U-shaped trigger strip 34 and the second U-shaped trigger strip 37 do not move upwards to limit the two limit blocks 25, when the two limit blocks 25 slide to be in contact with the other first U-shaped trigger strip 34 or the second U-shaped trigger strip 37, the two limit blocks 25 start to limit the other first U-shaped trigger strip 34 or the second U-shaped trigger strip 37, namely when the two limit blocks 25 are driven to slide towards two sides simultaneously, the first U-shaped trigger strip 34 or the second U-shaped trigger strip 37 cannot limit the two limit blocks 25 from beginning to end.

In the invention, when the two limit blocks 25 are driven to slide towards two sides simultaneously for a distance enough to separate from the upper end surface of the metal conductive sliding block 33, the metal conductive sliding block 33 moves upwards under the action of the third leaf spring 45, so that the connecting piece arranged on the metal conductive sliding block 33 is connected with the first live wire connecting piece 35 or the second live wire connecting piece 49; the metal conductive slider 33 is energized and is connected to the first connecting piece 12 or the second connecting piece 47 through the arc-shaped connecting piece 43, so that the first connecting piece 12 or the second connecting piece 47 is energized.

In the invention, when the two limit blocks 25 are driven to move towards two sides simultaneously for a distance which is not enough to separate from the upper end surface of the metal conductive slider 33, the two limit blocks 25 limit the metal conductive slider 33, so that the metal conductive slider 33 cannot move upwards, namely, the metal conductive slider 33 is not electrified at the moment, and the first connecting sheet 12 and the second connecting sheet 47 are not electrified.

As shown in fig. 6, the mounting structures on both sides of the two limit blocks 25 are completely the same, and for any one of the two limit blocks, as shown in fig. 7, one end of the first swing plate 14 is installed in the mounting housing 63 in a swinging manner, and the first leaf spring 18 is installed between the lower side of the first swing plate 14 and the mounting housing 63; the two second swing plates 15 are rotatably mounted in the mounting shell through a second mounting shaft 20 respectively, and the two second swing plates 15 are located at two sides of the first swing plate 14; the two second mounting shafts 20 are respectively provided with a first gear 21, the two racks 16 are respectively arranged in the mounting shell 63 in a sliding manner, and a return spring 66 is respectively arranged between the two racks 16 and the mounting shell 63; one ends of the two racks 16 are respectively meshed with the two first gears 21; the slider 30 is slidably mounted in the mounting housing 63 through the supporting housing 61, as shown in fig. 8, the gear shaft 32 is fixedly mounted on the upper side of the slider 30, the second gear 31 is rotatably mounted on the gear shaft 32, the second gear 31 is respectively engaged with the other ends of the two racks 16, and the two racks 16 are respectively located on both sides of the second gear 31; the first trigger lever 27 is L-shaped, one end of the first trigger lever 27 is fixedly mounted on the slider 30 through a first connecting rod 28, and the other end of the first trigger lever 27 is in contact fit with the limiting block 25 on the corresponding side.

When people hold a metal material with the same size as the plug pin insertion piece and insert the metal material, the first swing plate 14 and the two second swing plates 15 are triggered to swing downwards, at the moment, the two racks 16 are driven to slide, in the state, the rotation direction of the first gear 21 is static, the first gear 21 is driven by the two racks 16 to slide together, the first gear 21 slides to drive the sliding block 30 to move, the sliding block 30 moves to drive the first connecting rod 28 to move, the first connecting rod 28 drives the first trigger rod 27 to push the corresponding limiting block 25 to slide, and in the state, the distance for pushing the limiting block 25 to slide is enough to enable the limiting block 25 to be separated from the upper end face of the metal conductive sliding block 33; in this state, if another corresponding limiting block 25 is also driven to be separated from the upper end surface of the corresponding metal conductive slider 33 at the same time, the metal conductive slider 33, the first connecting piece 12 and the second connecting piece 47 are all electrified, that is, the inserted metal material is electrified; if the other limiting block 25 corresponding to the other limiting block is not separated from the upper end face of the corresponding metal conductive slider 33, the first connecting sheet 12 and the second connecting sheet 47 are not electrified at the moment, namely, the inserted metal material is not electrified.

As shown in fig. 12, the first safety door 10 includes a first swing plate 14, a second swing plate 15, a rack 16, a first plate spring 18, a second mounting shaft 20, a first gear 21, a stopper 25, a second trigger lever 51, a second connecting rod 50, a slider 30, a second gear 31, a gear shaft 32, a metal conductive slider 33, a first U-shaped trigger bar 34, a U-shaped support 36, a second U-shaped trigger spring 37, a second plate spring 38, a connecting plate 41, an arc-shaped connecting plate 43, a third plate spring 45, a mounting plate 46, and a support housing 61; the primary safety door 10 is different from the secondary safety door 11 in that: as shown in fig. 13, the metal conductive sliding block 33 is fixedly connected with the second connecting piece 47 through the arc-shaped connecting piece 43, and the connecting plate 41 installed on the metal conductive module 9 is matched with the second live wire connecting piece 49; as shown in fig. 14, the two sliders 30 are fixedly connected to the two limit blocks 25 through one second connecting rod 50, one ends of the two second triggering rods 51 are fixedly mounted on the two second connecting rods 50, and the other ends of the two second triggering rods 51 are in contact fit with the two limit blocks 25 in the secondary safety door 11.

In the invention, when the sliding block 30 in the first safety door 10 corresponding to the three-head bolt is driven to slide, the sliding block 30 can drive the corresponding limiting block 25 to slide through the second connecting rod 50, and meanwhile, the sliding block 30 can drive the corresponding limiting block 25 in the second safety door 11 to slide through the second trigger rod 51; if the sliding block 30 moves for a distance enough to make the corresponding limiting block 25 in the primary safety door 10 separate from the upper end surface of the metal conductive sliding block 33, the corresponding limiting block 25 in the secondary safety door 11 also separates from the upper end surface of the metal conductive sliding block 33; if the sliding block 30 does not move far enough to prevent the corresponding limit block 25 in the primary safety door 10 from separating from the upper end surface of the metal conductive sliding block 33, the corresponding limit block 25 in the secondary safety door 11 does not separate from the upper end surface of the metal conductive sliding block 33. When the limiting block 25 in the secondary safety door 11 is driven by the secondary trigger rod 51 in the primary safety door 10 to slide towards two sides, the limiting block 25 in the secondary safety door 11 does not influence the primary trigger rod 27 in the secondary safety door 11; when the limiting block 25 in the secondary safety door 11 is driven by the first triggering rod 27 in the secondary safety door 11 to slide towards two sides, the limiting block 25 in the secondary safety door 11 does not influence the second triggering rod 51 in the primary safety door 10; that is, the two-end socket 2 will not affect the electrification of the three-end socket 2 when inserted into the plug pin, but the two-end socket 2 will be electrified when the three-end socket 2 is inserted into the plug pin. When the three-end socket 2 is inserted into the pin, the two-end socket 2 is electrified, and the two-end socket 2 is electrified without danger, because in general, after the three-end pin is inserted, the corresponding two-end socket 2 can be shielded.

The ground wire connecting pieces 56 in the adjacent plug modules 4 are fixedly connected with each other; the zero line connecting pieces 64 in the adjacent plug modules 4 are fixedly connected with each other, and the zero line connecting pieces 64 in the plug modules 4 close to the connecting piece 5 are fixedly connected with the electric wire inserted into the shell through the connecting piece 5 through the zero line connecting pieces 6; the first live wire connecting pieces 35 in the adjacent plug modules 4 are fixedly connected with each other, and the first live wire connecting pieces 35 in the plug modules 4 close to the connecting piece 5 are fixedly connected with the electric wire extending into the inserting shell through the connecting piece 5 through the live wire connecting pieces 7; that is, in the present invention, the first live connection pad 35 and the neutral connection pad 64 are always kept in the power-on state after the power is supplied to the access end of the receptacle.

As shown in fig. 4 and 6, the first fixing strip 13 for fixedly supporting the first live wire connecting piece 35 and the second fixing strip 48 for fixedly supporting the first live wire connecting piece 35 are respectively installed in the installation housing 63 of the plug module 4.

As shown in fig. 8, four guide shells 26 are symmetrically installed in the installation housing 63 of the plug module 4, a limiting plate 23 is fixedly installed at one end of each guide rod, and the other ends of the four guide rods are fixedly installed on four limiting blocks 25; one ends of the four return springs 24 are respectively and fixedly mounted on the four limit blocks 25, and the other ends of the four return springs 24 are fixedly mounted on the four guide shells 26.

As shown in fig. 8, two guiding telescopic structures 29 for guiding the two first trigger bars 27 are symmetrically installed in the installation housing 63 of the plug module 4.

As shown in fig. 9 and 10, eight second guide rods 39 for guiding the first U-shaped trigger bar 34 and the second U-shaped trigger spring 37 are symmetrically installed in the installation housing 63 of the plug module 4; four third guide rods 44 for guiding the metal conductive sliders 33 are symmetrically mounted in the mounting housing 63 of the plug module 4.

As shown in fig. 7, two pairs of support bars 19 are symmetrically installed in the installation housing 63 of the plug module 4, a first installation shaft 17 is installed at one end of the first swing plate 14, and the two first installation shafts 17 are respectively installed on the two support bars 19 in a swinging manner.

As shown in fig. 7, four guide square sleeves 65 for guiding the four racks 16 are symmetrically installed in the installation housing 63 of the plug module 4.

As shown in fig. 14, two guide sleeves 52 for guiding the two second connecting rods 50 are symmetrically installed in the installation housing 63 of the plug module 4.

As shown in fig. 11, two ends of the metal conductive slider 33 are provided with two second reset slopes 42, and the second reset slopes 42 are used for facilitating the reset of the metal conductive slider 33.

The included angle between the second reset inclined plane 42 and the bottom surface of the metal conductive sliding block 33 is 45 degrees; the metal conductive sliding block 33 is guaranteed to be pressed down by the limiting block 25 under the action of the second reset inclined plane 42, and then reset smoothly.

The specific working process is as follows: when the socket designed by the invention is used, when a user inserts a normal bolt, the first swing plate 14 and the two second swing plates 15 corresponding to the sockets 2 are triggered to swing downwards, the second swing plates 15 drive the second mounting shafts 20 to rotate, the second mounting shafts 20 drive the first gears 21 to rotate, the first gears 21 rotate to drive the corresponding racks 16 to move, and in this state, the two racks 16 are driven to slide, so that the rotation direction of the first gears 21 is static, the first gears 21 are driven by the two racks 16 to slide together, and the first gears 21 slide to drive the sliding blocks 30 to move; if the two-end bolt is adopted, the sliding block 30 moves to drive the first connecting rod 28 to move, the first connecting rod 28 drives the first trigger rod 27 to push the corresponding limiting block 25 to slide, and in this state, the limiting block 25 is pushed to slide for a distance enough to enable the limiting block to be separated from the upper end face of the metal conductive sliding block 33; the metal conductive sliding block 33 moves upwards under the action of the third leaf spring 45, so that a connecting sheet arranged on the metal conductive sliding block 33 is connected with the first live wire connecting sheet 35; the metal conductive sliding block 33 is electrified and then connected with the first connecting sheet 12 through the arc-shaped connecting sheet 43, so that the first connecting sheet 12 is electrified, namely, the two ends of the live wire plug 59 connected with the first connecting sheet 12 are electrified, and the two ends of the plug pin are electrified. If the bolt is a three-head bolt, the sliding block 30 corresponding to the first safety door 10 moves to drive the second trigger rod 51 to move, and the second trigger rod 51 moves to drive the limiting block 25 on the second safety door 11 to move; in this state, the stopper 25 is pushed to slide by a distance sufficient to disengage from the upper end surface of the metal conductive slider 33; the metal conductive sliding block 33 moves upwards under the action of the third leaf spring 45, so that a connecting sheet arranged on the metal conductive sliding block 33 is connected with the first live wire connecting sheet 35; the metal conductive sliding block 33 is electrified and then connected with the first connecting sheet 12 through the arc-shaped connecting sheet 43, so that the first connecting sheet 12 is electrified, namely the inserting sheets 59 at two ends of the live wire connected with the first connecting sheet 12 are electrified, and the inserting sheets 59 at two ends of the live wire are electrified to electrify the second live wire connecting sheet 49; on the other hand, the sliding block 30 corresponding to the second safety door 11 slides to drive the second connecting rod 50 to move, the second connecting rod 50 drives the corresponding limiting block 25 to slide, and in this state, the limiting block 25 is pushed to slide for a distance enough to enable the limiting block 25 to be separated from the upper end face of the metal conductive sliding block 33; the corresponding metal conductive sliding block 33 moves upwards under the action of the third leaf spring 45, so that the connecting sheet arranged on the metal conductive sliding block 33 is connected with the second live wire connecting sheet 49; make the electrically conductive slider 33 of metal circular telegram, and then be connected with second connection piece 47 through arc connection piece 43 for second connection piece 47 circular telegram, the three inserted sheets 60 of live wire that are connected with second connection piece 47 circular telegram promptly, three bolt circular telegrams.

When a user inserts two thinner metal materials at the same time, the user can only touch one of the first swinging plate 14 and the second swinging plate 15; when the first swing plate 14 is touched and the first swing plate 14 is driven to swing downwards, no transmission relation is established between the first swing plate 14 and the limiting block 25, so that the metal conductive sliding block 33, the first connecting sheet 12 and the second connecting sheet 47 are not electrified in the state, namely, the inserted metal material is not electrified; when one of the second swing plates 15 is touched and the second swing plate 15 is driven to swing downwards, the second swing plate 15 drives the second mounting shaft 20 to rotate, the second mounting shaft 20 drives the first gear 21 to rotate, the first gear 21 rotates to drive the corresponding rack 16 to move, so that the other rack 16 does not slide with a certain resistance under the action of the corresponding return spring 66, therefore, the rack 16 driven to slide slides relative to the other rack 16, and the first gear 21 is driven to move relative to the rack 16 which is not driven to slide, the first gear 21 moves to drive the sliding block 30 to move through the gear shaft 32, the sliding block 30 moves to drive the first connecting rod 28 to move, the first connecting rod 28 drives the first triggering rod 27 to push the corresponding limit block 25 to slide, however, in this state, the stopper 25 is pushed to slide by a distance insufficient to disengage from the upper end surface of the metal conductive slider 33; therefore, in this state, the metal conductive slider 33, the first connecting piece 12 and the second connecting piece 47 are not electrified, that is, the inserted metal material is not electrified; in the invention, when the size of the inserted metal material is enough to drive the two swing plates to swing, the first swing plate 14 is positioned between the two second swing plates 15, so that in this state, the metal material can only drive one of the second swing plates 15 to swing downwards, and the distance of the swing downwards driving the limiting block 25 is not enough to enable the limiting block 25 to be separated from the upper end surface of the metal conductive sliding block 33; in this state, therefore, none of the metallic conductive slider 33, the first connecting piece 12 and the second connecting piece 47 is energized, i.e., the inserted metallic material is not energized.

When the user takes metal material to insert in proper order, preferentially inserted metal material if thin, when inserting metal material is not enough to make two second pendulum boards 15 pendulum down simultaneously, one of them stopper 25 is driven to slide in two stopper 25, and when the sliding distance is not enough to make it break away from with the electrically conductive slider 33 up end of metal, two stoppers 25 all are spacing to the electrically conductive slider 33 of metal, electrically conductive slider 33 of metal just can not shift up, electrically conductive slider 33 of metal this moment, first connecting piece 12 and second connecting piece 47 are not electrified, the electrically conductive metal material of inserting promptly can not be electrified.

Claims

1. A switch socket comprises a socket shell, jacks, a wire access port, a plug module and a connecting piece, wherein the socket shell is divided into an upper layer and a lower layer, and the two layers of socket shells are connected through a buckle; one end of the socket shell is provided with an electric wire access port, and the bottom surface of one end of the socket shell close to the electric wire access port is fixedly provided with two connecting pieces; the plug modules are uniformly arranged in the socket shell, and the plug modules close to the two connecting pieces are respectively and fixedly connected with two wires which are accessed through the wire access ports and wound on the two connecting pieces through the zero line access pieces and the live line access pieces; the method is characterized in that: the plug module consists of a safety door and a conductive module which are arranged in the installation shell;

the conductive module comprises a conductive piece mounting shell, a live wire conductive piece, a first live wire connecting piece, a second live wire connecting piece, a zero line conductive piece and a ground wire connecting piece, wherein the lower end of the conductive piece mounting shell is fixedly mounted on the bottom surface in the mounting shell, and a plurality of divided groove bodies are arranged in the conductive mounting shell; the zero line connecting sheet is fixedly arranged on the inner wall surface of the mounting shell; the zero line conducting strip is formed by connecting two parts of a zero line two-end inserting piece and a zero line three-end inserting piece, the zero line conducting strip is installed in the conductive installation shell, and one end of the zero line conducting strip is fixedly connected with the zero line connecting piece; the live wire conducting strip is divided into two parts of a live wire two-end inserting piece and a live wire three-end inserting piece, the live wire two-end inserting piece and the live wire three-end inserting piece are respectively installed in the conductive installation shell, a live wire two-plug and a zero line two-plug are located on one side in the guide installation shell, and a live wire three-plug and a zero line three-plug are located on the other side in the guide installation shell; the first live wire connecting piece and the second live wire connecting piece are respectively arranged in the lead mounting shell, and the second live wire connecting piece is fixedly connected with the two live wire plugs; one side of each of the two plugs of the live wire is provided with a first connecting piece, and the first connecting pieces are matched with the first live wire connecting pieces; a second connecting piece is arranged on one side of the live wire three-plug and matched with the second live wire connecting piece; the ground wire insert is installed in the conductive installation shell, the ground wire connecting sheet is fixedly installed in the conductive installation shell, and the ground wire connecting sheet is connected with the ground wire insert;

the safety door comprises a first safety door and a second safety door;

the second safety door comprises a first swing plate, a second swing plate, a rack, a first plate spring, a second mounting shaft, a first gear, a reset spring, limiting blocks, a first trigger rod, a first connecting rod, a sliding block, a second gear, a gear shaft, a metal conductive sliding block, a first U-shaped touch spring, a U-shaped support, a second U-shaped touch spring, a second plate spring, a connecting plate, an arc-shaped connecting sheet, a third plate spring, a mounting plate and a support shell, wherein the two limiting blocks are symmetrically and slidably mounted in the mounting shell, and the reset springs are respectively mounted between the two limiting blocks and the mounting shell; the lower end of one side of the two limiting blocks is slidably provided with a first U-shaped touch spring and a second U-shaped touch spring, the first U-shaped touch spring and the second U-shaped touch spring have the same structure, and one ends of the first U-shaped touch spring and the second U-shaped touch spring are provided with first reset slopes; when the two limiting blocks do not slide in a triggering mode, one ends, provided with first reset inclined planes, of the first U-shaped trigger spring and one end, provided with second reset inclined planes, of the second U-shaped trigger strip are located on the lower sides of the two limiting blocks in a one-to-one corresponding mode, and one ends, not provided with the first reset inclined planes, of the first U-shaped trigger spring and one end, provided with the second reset inclined planes, of the second U-shaped trigger strip are matched with the two limiting blocks in; the U-shaped support is fixedly arranged in the mounting shell, and a plurality of second plate springs are respectively arranged between the first U-shaped touch spring and the U-shaped support and between the second U-shaped touch spring and the U-shaped support; the lower ends of the other sides of the two limiting blocks are provided with metal conductive sliding blocks in a sliding mode, and the metal conductive sliding blocks are provided with connecting plates; the connecting plate is matched with the first live wire connecting sheet; the mounting plate is arranged on the lower side of the U-shaped support, and a plurality of third plate springs which are uniformly distributed are arranged between the mounting plate and the metal conductive sliding block; the metal conductive sliding block is connected with the first connecting sheet through an arc-shaped connecting sheet;

the mounting structures on the two sides of the two limiting blocks are completely the same, for any one of the two limiting blocks, one end of the first swinging plate is arranged in the mounting shell in a swinging mode, and a first plate spring is arranged between the lower side of the first swinging plate and the mounting shell; the two second swinging plates are rotatably arranged in the mounting shell through a second mounting shaft respectively, and are positioned on two sides of the first swinging plate; a first gear is respectively arranged on the two second mounting shafts, the two racks are respectively arranged in the mounting shell in a sliding manner, and a return spring is respectively arranged between each rack and the mounting shell; one end of each of the two racks is respectively meshed with the two first gears; the sliding block is slidably arranged in the mounting shell through the supporting shell, the gear shaft is fixedly arranged on the upper side of the sliding block, the second gear is rotatably arranged on the gear shaft, the second gear is respectively meshed with the other ends of the two racks, and the two racks are respectively positioned on two sides of the second gear; the first trigger rod is L-shaped, one end of the first trigger rod is fixedly arranged on the sliding block through a first connecting rod, and the other end of the first trigger rod is in contact fit with the limiting block on the corresponding side;

the first safety door comprises a first swing plate, a second swing plate, a rack, a first plate spring, a second mounting shaft, a first gear, a limiting block, a second trigger rod, a second connecting rod, a sliding block, a second gear, a gear shaft, a metal conductive sliding block, a first U-shaped contact spring, a U-shaped support, a second U-shaped contact spring, a second plate spring, a connecting plate, an arc-shaped connecting sheet, a third plate spring, a mounting plate and a support shell; the primary safety door is different from the secondary safety door in that: the metal conductive sliding block is fixedly connected with the second connecting sheet through an arc-shaped connecting sheet, and a connecting plate arranged on the metal conductive module is matched with the second live wire connecting sheet; the two sliding blocks are fixedly connected with the two limiting blocks through second connecting rods respectively, one ends of the two second trigger rods are fixedly installed on the two second connecting rods respectively, and the other ends of the two second trigger rods are in contact fit with the two limiting blocks in the second safety door;

2. A switching jack according to claim 1 wherein: install respectively in the installation casing of above-mentioned plug module and play the first fixed strip of fixed stay effect and play the second fixed strip of fixed stay effect to first live wire connection piece.

3. A switching jack according to claim 1 wherein: four guide shells are symmetrically arranged in the installation shell of the plug module respectively, a limiting plate is fixedly arranged at one end of each guide rod, and the other ends of the four guide rods are fixedly arranged on the four limiting blocks respectively; one ends of the four reset springs are respectively and fixedly installed on the four limiting blocks, and the other ends of the four reset springs are fixedly installed on the four guide shells.

4. A switching jack according to claim 1 wherein: two guiding telescopic structures which play a guiding role for the two first trigger rods are symmetrically arranged in the mounting shell of the plug module respectively.

5. A switching jack according to claim 1 wherein: eight second guide rods which play a role in guiding the first U-shaped trigger spring and the second U-shaped trigger strip are symmetrically arranged in the installation shell of the plug module respectively; four third guide rods which play a role in guiding the metal conductive sliding blocks are symmetrically arranged in the installation shell of the plug module respectively.

6. A switching jack according to claim 1 wherein: two pairs of supporting bars are symmetrically installed in the installation shell of the plug module respectively, a first installation shaft is installed at one end of the first swinging plate, and the two first installation shafts are installed on the two supporting bars in a swinging mode respectively.

7. A switching jack according to claim 1 wherein: four guide square sleeves which play a role in guiding the four racks are symmetrically arranged in the installation shell of the plug module respectively.

8. A switching jack according to claim 1 wherein: two guide sleeves which play a role in guiding the two second connecting rods are symmetrically arranged in the installation shell of the plug module respectively.

9. A switching jack according to claim 1 wherein: two ends of the metal conductive sliding block are provided with two second reset inclined planes.

10. A switching jack according to claim 9 wherein: and an included angle between the second reset inclined plane and the bottom surface of the metal conductive sliding block is 45 degrees.