CN212784058U - Long-service-life socket with double-layer plug bushes - Google Patents

Abstract

The utility model provides a high life socket with double-deck plug bush, includes shell subassembly and the plug bush of locating in the shell subassembly, the plug bush is including being used for with at least one plug bush seat of plug grafting complex, the plug bush seat includes a fixed contact piece and the elasticity contact piece that links to each other with fixed contact piece, elasticity contact piece and fixed contact piece set up relatively be used for with the plug cooperation, still include the supplementary backing sheet of being connected with fixed contact piece, the supplementary backing sheet presss from both sides the elasticity contact piece between the two through the fixed contact piece of cooperation of buckling, makes every plug bush seat all form double-deck plug bush structure, has the technological effect who improves socket life.

Description

Long-service-life socket with double-layer plug bushes

Technical Field

The utility model relates to a socket field especially relates to a high life socket with double-deck plug bush.

Background

With the increasing popularization of wall sockets in public places, the requirement on the service life of the wall socket used in the public places is higher and higher, and the service life of the traditional wall socket is difficult to meet the requirement. The existing wall socket is characterized in that each plug bush is composed of two contact pieces, the elasticity of the socket is completely provided by the two contact pieces, and after the socket is used for a certain number of times (the service life of the socket is regulated by the national standard for five thousand times), the two contact pieces of the plug bush deform, so that the plug bush of the socket is in poor contact with a plug pin of a plug, and the socket cannot be used continuously. With the increase of the use frequency of daily life, the requirement on the service life of the socket is higher and higher, so how to improve the service life of the socket is a problem to be solved.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a high life socket that has double-deck plug bush that life-span is higher, the reliability is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high life socket with double-deck plug bush, includes shell subassembly and the plug bush of locating in the shell subassembly, the plug bush is including being used for with at least one plug bush seat of plug grafting complex, the plug bush seat includes a fixed contact piece and the elasticity contact piece that links to each other with fixed contact piece, elasticity contact piece and fixed contact piece set up relatively be used for with the plug cooperation, still include the supplementary backing sheet of being connected with fixed contact piece, the supplementary backing sheet presss from both sides the elasticity contact piece between the two through the fixed contact piece of cooperation of buckling, makes every plug bush seat all form double-deck plug bush structure.

Preferably, the auxiliary support sheet is provided with an elastic arc-shaped surface protruding towards one side of the elastic contact sheet.

Preferably, the plug bush seat is integrated into one piece and is bent into the shape, including bending into the plug bush seat body of U type, the side extension of going up of one side lateral wall of the plug bush seat body of U type is equipped with fixed contact piece, and the side extension of going up of opposite side lateral wall is equipped with the auxiliary supporting piece, and fixed contact piece sets up with the auxiliary supporting piece relatively, and the relative setting of elasticity contact piece and fixed contact piece is located between fixed contact piece and the auxiliary supporting piece and one end is buckled and is connected with the side of fixed contact piece.

Preferably, the plug bush includes utmost point plug bush, the utmost point plug bush of L and the utmost point plug bush of E, and the utmost point plug bush of E is located between utmost point plug bush of N and the utmost point plug bush of L, and utmost point plug bush of N and the utmost point plug bush of L pass through the mutual mirror image setting of utmost point plug bush of E, utmost point plug bush of N and utmost point plug bush of L include that one is two to insert the plug bush seat, three insert the plug bush seat, and utmost point plug bush of E includes that three plug bush seats of E are utmost point.

Preferably, the N-pole plug bush and the L-pole plug bush respectively comprise a two-plug bush seat, a three-plug bush seat, a plug bush body and a screw connecting sheet, the plug bush body is of a long strip-shaped sheet structure, two ends of the plug bush body are respectively connected with the two-plug bush seat and the three-plug bush seat, and the screw connecting sheet is connected to one side of the plug bush body and is positioned between the two-plug bush seat and the three-plug bush seat; the two-plug socket and the three-plug socket both form a double-layer socket structure.

Preferably, two ends of the plug bush body of the N-pole plug bush and two ends of the plug bush body of the L-pole plug bush are bent into U-shaped plug bush seat bodies which are respectively used for forming a two-plug bush seat and a three-plug bush seat; the two plug socket bases comprise a first fixed contact piece, a first elastic contact piece and a first auxiliary support piece, the first fixed contact piece extends upwards from the upper side edge of one side wall, connected with the three plug socket bases, of the plug socket base body of the two plug socket bases, the first elastic contact piece is arranged opposite to the first fixed contact piece, the tail part of the first elastic contact piece is bent and connected with the side edge of the first fixed contact piece, the first auxiliary support piece extends upwards from the upper side edge of the other side wall of the plug socket base body of the two plug socket bases, and the first elastic contact piece is located between the first fixed contact piece and the first auxiliary support piece to form a double-layer plug socket structure; the three-plug socket comprises a second fixed contact piece, a second elastic contact piece and a second auxiliary support piece, wherein the second fixed contact piece is formed by upwards extending the upper side edge of the side wall of one side, connected with the two-plug socket, of the socket body of the three-plug socket, the second elastic contact piece is arranged opposite to the second fixed contact piece, the tail part of the second elastic contact piece is bent and connected with the side edge of the second fixed contact piece, the second auxiliary support piece is formed by upwards extending the upper side edge of the side wall of the other side of the socket body of the three-plug socket, and the second elastic contact piece is located between the second fixed contact piece and the second auxiliary support piece so as to form a double-layer socket structure.

Preferably, the E-pole third socket of the E-pole socket comprises a third fixed contact piece, a third elastic contact piece and a third auxiliary support piece, the E-pole socket comprises a sheet socket body, one end of the socket body is bent into a U-shaped socket body, the other end of the socket body comprises an E-pole connection piece bent perpendicular to the socket body, the upper side of the E-pole connection piece extends upward to form an upper convex part of the E-pole connection piece, the third fixed contact piece extends upward from the upper side of the side wall of the socket body of the E-pole socket connected with the E-pole connection piece, the third auxiliary support piece extends upward from the upper side of the side wall of the socket body of the E-pole socket connected with the E-pole connection piece, the third elastic contact piece is arranged opposite to the third fixed contact piece, the tail part of the third elastic contact piece is bent to be connected with the side edge of the convex part of the E-pole connection piece, and the third elastic contact piece is located between the third fixed contact piece and the, to form a double-layer plug bush structure.

Preferably, shell subassembly includes panel and base, is equipped with the plug bush that is used for the electricity to connect in the base and the binding post subassembly of being connected with the plug bush electricity, and the shutter setting is used for sheltering from the plug bush seat of plug bush in the plug bush top, and the spring is connected with the shutter and is used for driving the shutter to reset, and second clamp plate and pedestal connection are spacing between clamp plate and base with the plug bush, and the shutter is installed on the second clamp plate, and first clamp plate will be the shutter spacing between second clamp plate and first clamp plate, the panel cover just with pedestal connection on the clamp plate, all be equipped with on panel, first clamp plate and the second clamp plate and supply plug or inserted sheet to pass and correspond the jack that sets up with the plug bush seat, the shutter shelters from the jack.

Preferably, a plane where the elastic clamping portion formed by the elastic contact piece and the fixed contact piece is located is horizontally arranged, a plane where the elastic clamping portion formed by the fixed contact piece and the auxiliary support piece is located is vertically arranged, and the elastic clamping portion formed by the elastic contact piece and the fixed contact piece is perpendicular to the plane where the elastic clamping portion formed by the fixed contact piece and the auxiliary support piece is located.

Preferably, a base surface is arranged in the base, a positioning assembly for limiting the socket base is arranged at a position of the base corresponding to the socket base, and the positioning assembly is arranged on the base surface; the positioning assembly comprises a first positioning rib, a second positioning rib and a third positioning rib, the first positioning rib, the second positioning rib and the third positioning rib are arranged in a triangular mode, and the first positioning rib, the second positioning rib and the third positioning rib are respectively matched with the side walls on the two sides of the U-shaped plug bush seat body and the bottom wall connected between the side walls on the two sides in a limiting mode.

The utility model discloses a high life socket with double-deck plug bush, plug bush seat include a fixed contact piece and the elasticity contact piece that links to each other with fixed contact piece, still include the auxiliary support piece of being connected with fixed contact piece, and the auxiliary support piece is through the fixed contact piece of cooperation of buckling with elasticity contact piece clamp between the two, makes every plug bush seat all form double-deck plug bush structure, owing to add the auxiliary support piece, the side direction clamp force of elasticity contact piece increases, and the life of socket increases.

In addition, the plug bush seat is integrally bent and formed, the plane where the elastic clamping part formed by the elastic contact piece and the fixed contact piece is located is horizontally arranged, the plane where the elastic clamping part formed by the fixed contact piece and the auxiliary support piece is located is vertically arranged, the elastic clamping part formed by the elastic contact piece and the fixed contact piece is perpendicular to the plane where the elastic clamping part formed by the fixed contact piece and the auxiliary support piece is located, and the elastic force formed in the two perpendicular directions is complementary to improve the elastic force of the plug bush seat and prolong the service life of the plug bush seat.

In addition, the inside of base is equipped with the basal plane, and the position department that the base corresponds two plug bush seats is equipped with locating component, and locating component locates on the basal plane, and locating component does the spacing to two plug bush seats, prevents that two plug bush seats from taking place the skew.

Drawings

Fig. 1 is an exploded view of a high life socket with a double layer sleeve according to the present invention;

FIG. 2 is a schematic cross-sectional view of a long-life socket with a double-layered plug bush according to the present invention;

FIG. 3 is a schematic view of the structure of the present invention showing the fitting between the socket base and the plug bush;

FIG. 4 is a schematic structural view of the L-pole, N-pole and E-pole sockets of the present invention;

fig. 5 is a schematic top view of the long-life socket L-pole plug bush with the double-layer plug bush of the present invention;

FIG. 6 is a schematic side view of the long life socket L-pole plug bush with the double-layer plug bush of the present invention;

FIG. 7 is a schematic view of the structure of the E-pole plug bush of the long-life socket with the double-layer plug bush of the present invention;

FIG. 8 is a schematic view of a long-life socket base with a double-layered plug bush according to the present invention;

fig. 9 is an enlarged view of a portion a in fig. 8.

In the figure: 1. an N-pole plug bush; 11. two plug socket seats; 111. a first fixed contact piece; 112. a first resilient contact piece; 113. a first tail portion; 114. a first auxiliary support sheet; 115. a bottom wall; 12. a three-plug socket seat; 121. a second fixed contact piece; 122. a second resilient contact piece; 123. a second tail portion; 124. a second auxiliary support sheet; 13. a plug bush body; 14. connecting a screw sheet; 2. an L pole plug bush; 3. e pole plug bush; 30. e pole three-plug socket; 31. a third fixed contact piece; 32. a third resilient contact piece; 33. e pole connecting sheet; 333. a third tail portion; 34. a third auxiliary support sheet; 4. an auxiliary support sheet; 41. an elastic arc-shaped surface; 42. a bottom wall; 5. a panel; 51. a first platen; 511. a second platen; 52. a protective door; 53. a spring; 54. a terminal assembly; 541. a screw; 55. a base; 551. a ground plane; 56. a first positioning rib; 57. a second positioning rib; 58. a third positioning rib; 581. positioning a groove; 582. a positioning column; 59. a first positioning plate; 591. and a second positioning plate.

Detailed Description

The following description will further describe a specific embodiment of the long-life socket with a double-layer plug bush according to the present invention with reference to the embodiments shown in fig. 1 to 9. The long-life socket with the double-layered plug bush of the present invention is not limited to the description of the following embodiments.

As shown in fig. 4, a long-life socket with a double-layer plug bush comprises a housing assembly and a plug bush arranged in the housing assembly, wherein the plug bush comprises at least one plug bush seat which is used for being in plug-in fit with a plug, the plug bush seat comprises a fixed contact piece and an elastic contact piece connected with the fixed contact piece, and an auxiliary support piece 4 connected with the fixed contact piece, the auxiliary support piece 4 clamps the elastic contact piece between the fixed contact piece and the fixed contact piece through bending fit, so that each plug bush seat forms a double-layer plug bush structure, and one or more double-layer plug bush structures can be connected with one plug bush seat. Because of the additional arrangement of the auxiliary supporting sheet 4, the lateral clamping force of the elastic contact sheet is increased, and the service life of the socket is prolonged.

As shown in fig. 1-3, an embodiment of the high lifetime socket of the present invention, which is a five-pin socket, includes a housing assembly and a plug bush disposed in the housing assembly, the housing assembly includes a panel 5 and a base 55, a plug bush for electrical connection and a terminal assembly 54 electrically connected to the plug bush are disposed in the base 55, the plug bush includes at least one plug bush seat for mating with a plug, a protection door 52 is disposed above the plug bush for shielding the plug bush, a spring 53 is connected to the protection door 52 for driving the protection door 52 to reset, the pressure plate is divided into an upper first pressure plate 51 and a lower second pressure plate 511, the second pressure plate 511 is connected to the base 55 for limiting the plug bush between the pressure plate and the base 55, the protection door 52 is mounted on the second pressure plate 511, the first pressure plate 51 limits the protection door 52 between the second pressure plate 511 and the first pressure plate 51, the panel 5 covers on the clamp plate and is connected with base 55, all be equipped with on panel 5, first clamp plate 51 and the second clamp plate 511 and supply plug or inserted sheet to pass and correspond the jack that sets up with the plug bush seat, jack on guard gate 52 shelters from panel 5 and the clamp plate, wiring terminal subassembly 54 links to each other with the plug bush through twisting screw 541 for the wiring. When the plug is inserted, the plug sequentially passes through the panel 5 and the first pressing plate 51, and the driving protection door 52 compresses the spring 53 to slide and move on the second pressing plate 511 to be contacted with the plug socket; after the plug-in sheet is pulled out, the spring 53 drives the protective door 52 to reset and shield the jack.

As shown in fig. 4, the socket includes a fixed contact piece and an elastic contact piece connected to the fixed contact piece, the elastic contact piece and the fixed contact piece are arranged opposite to each other for matching with a plug, and an auxiliary support piece 4 connected to the fixed contact piece, the auxiliary support piece 4 clamps the elastic contact piece between the fixed contact piece and the fixed contact piece through bending matching, so that each socket forms a double-layer socket structure, the elastic contact piece and the fixed contact piece form a one-layer socket structure, the fixed contact piece and the auxiliary support piece 4 form a second-layer socket structure, the elastic contact piece clamps the fixed contact piece and the auxiliary support piece 4, so that the socket forms a double-layer socket structure, the lateral clamping force of the elastic contact piece is increased, the service life of the socket is greatly prolonged, and the service life of the socket reaches more than twenty thousand times.

As shown in fig. 1, the embodiment of the long-life socket of this embodiment is a five-hole socket, which includes two groups of jacks, where the two groups of jacks respectively correspond to the jacks of the two-plug and the jacks of the three-plug; the protective door 52 is divided into two-plug protective door and three-plug protective door, the two-plug protective door and the three-plug protective door respectively correspond to the two-plug through hole and the three-plug through hole, the plug bushes are three groups in total, and the wiring terminal assembly 54 is three groups in total and is respectively connected with the three groups of plug bushes to realize wiring of each plug bush. Obviously, the plug bush seat of the present invention is also applicable to a two-hole socket, a three-hole socket, or more types of sockets.

The plug bush of the present embodiment includes an N-pole plug bush 1, an L-pole plug bush 2, and an E-pole plug bush 3. The E pole plug bush 3 is located between the N pole plug bush 1 and the L pole plug bush 2, the N pole plug bush 1 and the L pole plug bush 2 are arranged in a mutual mirror image mode through the E pole plug bush 3, and the three wiring terminal assemblies 54 are respectively connected with the N pole plug bush 1, the L pole plug bush 2 and the E pole plug bush 3 for wiring. The N-pole plug bush 1 and the L-pole plug bush 2 respectively comprise a two-pole plug bush seat 11 and a three-pole plug bush seat 12, and the E-pole plug bush 3 comprises an E-pole three-pole plug bush seat 30. The two-jack socket 11, the three-jack socket 12 and the E-pole three-jack socket 30 all form a double-layer socket structure, and an auxiliary support sheet 4 is arranged in each socket and used for improving the lateral clamping force of the socket so as to increase the elastic force and prolong the service life of the socket.

The utility model provides a preferred embodiment does of plug bush seat, the integrative bending type of plug bush seat, including the plug bush seat body of buckling into the U type, the plug bush seat body of U type includes the lateral wall of both sides and connects the diapire 115 between the lateral wall of both sides, the last side extension of one side lateral wall of the plug bush seat body of U type is equipped with fixed contact piece, the last side extension of the other side lateral wall is equipped with supplementary backing sheet 4, and fixed contact piece and supplementary backing sheet 4 set up relatively, the relative setting of elasticity contact piece and fixed contact piece is located between fixed contact piece and the supplementary backing sheet 4 and one end is buckled and is connected with the side of fixed contact piece. Further, the auxiliary support piece 4 is provided with an elastic arc-shaped surface 41 protruding toward one side of the elastic contact piece, and applies an elastic force to one side of the elastic contact piece.

Preferably, a plane where the elastic clamping portion formed by the elastic contact piece and the fixed contact piece is located is horizontally arranged, a plane where the elastic clamping portion formed by the fixed contact piece and the auxiliary support piece is located is vertically arranged, and the elastic clamping portion formed by the elastic contact piece and the fixed contact piece is perpendicular to the plane where the elastic clamping portion formed by the fixed contact piece and the auxiliary support piece is located.

As shown in fig. 4-7, each of the N-pole plug bush 1 and the L-pole plug bush 2 includes a second plug bush seat 11, a third plug bush seat 12, a plug bush body 13, and a screw connection piece 14, the plug bush body 13 is a strip-shaped sheet structure, two ends of the plug bush body 13 are respectively connected to the second plug bush seat 11 and the third plug bush seat 12, and the screw connection piece 14 is connected to one side of the plug bush body 13. The two ends of the plug bush body 13 of the N-pole plug bush 1 and the L-pole plug bush 2 are bent into U-shaped plug bush seat bodies which are respectively used for forming a second plug bush seat 11 and a third plug bush seat 12.

As shown in fig. 4 to 7, the two jack sockets 11 include a first fixed contact piece 111, a first elastic contact piece 112 and a first auxiliary support piece 114, the first fixed contact piece 111 is formed by extending upward from the upper side edge of one side wall of the jack socket body of the two jack sockets 11 connected to the three jack sockets 12, the first elastic contact piece 112 is disposed opposite to the first fixed contact piece 111, the tail of the first elastic contact piece 112 is bent and connected to the side edge of the first fixed contact piece 111, the first auxiliary support piece 114 is formed by extending upward from the upper side edge of the other side wall of the jack socket body of the two jack sockets 11, and the first elastic contact piece 112 is located between the first fixed contact piece 111 and the first auxiliary support piece 114 to form a double-layer jack socket structure. The first fixed contact strip 111, the first elastic contact strip 112 and the first auxiliary support strip 114 are respectively a fixed contact strip, an elastic contact strip and an auxiliary support strip 4 of the socket.

In this embodiment, the first elastic contact piece 112 and the first fixed contact piece 111 are both located above the plug bush body 13, a plane where a clamping portion formed by the first elastic contact piece 112 and the first fixed contact piece 111 is located is perpendicular to a plane where a clamping portion formed by the first fixed contact piece 111 and the first auxiliary support piece 114 is located, the elastic force provided by the first elastic contact piece 112 is perpendicular to the plug insertion direction, and the first auxiliary support piece 114 is provided with an elastic arc-shaped surface protruding towards one side of the first elastic contact piece 112 to apply the elastic force to one side of the first elastic contact piece 112. The first elastic contact piece 112 is connected with the side edge of the first fixed contact piece 111, and applies elastic force to the first fixed contact piece 111 from the horizontal direction, the plane where the elastic clamping part formed by the first elastic contact piece 112 and the first fixed contact piece 111 is located is horizontally arranged, the first auxiliary support piece 114 extends upwards and applies elastic force to the first elastic contact piece 112 from the vertical direction, the plane where the elastic clamping part formed by the first fixed contact piece 111 and the first auxiliary support piece 114 is located is vertically arranged, and the elastic force formed in the two vertical directions is complementary to improve the elastic force of the socket and prolong the service life of the socket.

The three-jack socket 12 comprises a second fixed contact piece 121, a second elastic contact piece 122 and a second auxiliary support piece 124, namely, the fixed contact piece, the elastic contact piece and the auxiliary support piece 4 of the jack socket respectively; the second fixed contact piece 121 extends upward from the upper side of the sidewall of one side where the sleeve body of the third sleeve base 12 is connected to the second sleeve base 11, the second elastic contact piece 122 is disposed opposite to the second fixed contact piece 121, the tail of the second elastic contact piece 122 is bent and connected to the side of the second fixed contact piece 121, the second auxiliary support piece 124 extends upward from the upper side of the sidewall of the other side of the sleeve body of the third sleeve base 12, and the second elastic contact piece 122 is located between the second fixed contact piece 121 and the second auxiliary support piece 124 to form a double-layer sleeve structure. The second fixed contact piece 121 and the second elastic contact piece 122 are both located above the plug bush body 13, a plane where a clamping portion formed by the second elastic contact piece 122 and the second fixed contact piece 121 is located is perpendicular to a plane where a clamping portion formed by the second fixed contact piece 121 and the second auxiliary support piece 124 is located, and elastic forces formed in two perpendicular directions are complementary to each other to improve the elastic force of the plug bush seat and prolong the service life of the plug bush seat.

The E pole three-plug socket 30 positioned on the E pole plug socket 3 comprises a third fixed contact piece 31, a third elastic contact piece 32 and a third auxiliary support piece 34, namely the fixed contact piece, the elastic contact piece and the auxiliary support piece 4 of the plug socket respectively, the E pole plug socket 3 comprises a sheet plug socket body 13, one end of the plug socket body 13 is bent into a U-shaped plug socket body, the other end of the plug socket body is bent into an L-shaped, the other end of the plug socket body comprises an E pole connecting piece 33 which is vertically bent with the plug socket body 13, the lower side edge of the E pole connecting piece 33 is bent into an E pole screw connecting piece, the upper side edge of the E pole connecting piece 33 upwards extends to form an E pole connecting piece upper convex part, the third fixed contact piece 31 upwards extends from the upper side edge of the side wall of the plug socket body of the E pole plug socket 3, which is connected with the E pole connecting piece 33, the third auxiliary support piece 34 upwards extends from the upper side edge of the other side wall of, the third elastic contact piece 32 is arranged opposite to the third fixed contact piece 31, the tail part of the third elastic contact piece 32 is bent to be connected with the side edge of the convex part on the E pole connecting piece, and the third elastic contact piece 32 is positioned between the third fixed contact piece 31 and the third auxiliary supporting piece 34 to form a double-layer plug bush structure. The third fixed contact piece 31 and the third elastic contact piece 32 are both located above the plug bush body 13, and a plane where a clamping portion formed by the third elastic contact piece 32 and the third fixed contact piece 31 is located is perpendicular to a plane where a clamping portion formed by the third fixed contact piece 31 and the third auxiliary support piece 34 is located.

The tail part of the first elastic contact piece 112 is a first tail part 113, the tail part of the second elastic contact piece 122 is a second tail part 123, the tail part of the third elastic contact piece 32 is a third tail part 333, and the first tail part 113 and the second tail part 123 are both circular arc-shaped but are not limited to circular arc-shaped; the third tail 33 is V-shaped, but is not limited to V-shaped.

When the L-pole, N-pole, and E-pole pins of the plug are inserted into the L-pole, N-pole, and E-pole sockets 2, 1, and 3, respectively, wherein the L-pole pin of the plug separates the first fixed contact 111 of the L-pole socket 2 and the first elastic contact 112 of the L-pole socket 2, the L-pole pin is inserted between the first fixed contact 111 of the L-pole socket 2 and the first elastic contact 112 of the L-pole socket 2, and is clamped by the first fixed contact 111 of the L-pole socket 2 and the first elastic contact 112 of the L-pole socket 2, and the opening distance between the first fixed contact 111 of the L-pole socket 2 and the first elastic contact 112 of the L-pole socket 2 is increased, because an elastic structure is formed between the first fixed contact 111 of the L-pole socket 2 and the first elastic contact 112 of the L-pole socket 2, a certain lateral force is generated between the first fixed contact 111 of the L-pole socket 2 and the first elastic contact 112 of the L-pole socket 2 Tightening force; meanwhile, the first elastic contact piece 112 of the L-pole plug bush 2 presses the first auxiliary support piece 114 of the L-pole plug bush 2, and because an elastic structure is arranged between the first fixed contact piece 111 of the L-pole plug bush 2 and the first auxiliary support piece 114 of the L-pole plug bush 2, the first auxiliary support piece 114 of the L-pole plug bush 2 generates a certain lateral pressure on the first elastic contact piece 112 of the L-pole plug bush 2, so that the lateral pressures of the first fixed contact piece 111 of the L-pole plug bush 2 and the first elastic contact piece 112 of the L-pole plug bush 2 are increased, the first fixed contact piece 111 of the L-pole plug bush 2 and the first elastic contact piece 112 of the L-pole plug bush 2 transmit the pressures to two sides of the L-pole plug pin, and the lateral clamping force generated by the first fixed contact piece 111 of the L-pole plug bush 2 and the first elastic contact piece 112 of the L-pole plug bush 2 on the L-pole plug pin is also increased; similarly, the lateral clamping force generated by the N-pole plug bush 1 of the socket to the N-pole plug pin of the plug is increased; similarly, the lateral clamping force generated by the E-pole plug bush 3 of the socket on the E-pole plug pin of the plug is also increased; the plug bush structures of the L pole plug bush 2, the N pole plug bush 1 and the E pole plug bush 3 of the socket have larger elasticity and better elasticity, and the service life of the socket can be prolonged.

As shown in fig. 8-9, it is preferable that the base 55 has a base surface 551 therein, the base 55 has a positioning component at a position corresponding to the two plug socket bases 11, the positioning component is disposed on the base surface 551, and the positioning component limits the two plug socket bases 11 to prevent the two plug socket bases 11 from deviating. Preferably, the positioning assembly includes a first positioning rib 56, a second positioning rib 57 and a third positioning rib 58. First location muscle 56, second location muscle 57 and third location muscle 58 are triangle-shaped and arrange, and first location muscle 56, second location muscle 57 and third location muscle 58 respectively with the plug bush seat body's of U type both sides lateral wall with connect the diapire 115 spacing cooperation between the lateral wall of both sides.

As shown in the embodiment of fig. 8 to 9, the first positioning rib 56 is disposed adjacent to the bottom wall 115 and limits the bottom wall 115, the second positioning rib 57 is disposed adjacent to the first fixed contact piece 111 and limits the first fixed contact piece 111 and the side wall of the U-shaped socket body connected to the first fixed contact piece 111, the third positioning rib 58 is disposed adjacent to the first auxiliary support piece 114 and limits the first auxiliary support piece 114 and the side wall of the U-shaped socket body connected to the first auxiliary support piece 114, and the positioning assembly effectively ensures the accuracy of mounting the two sockets by limiting the first auxiliary support piece 114, the bottom wall 115 and the first fixed contact piece 111.

Preferably, the first positioning rib 56 is vertically arranged on the side wall of the base 55, the second positioning rib 57 and the third positioning rib 58 are arranged on the base surface 551, the upper portion of one side of the first positioning rib 56 close to the bottom wall 115 is a downward inclined surface, the second positioning rib 57 and the third positioning rib 58 are both of a trapezoidal structure with a narrow upper portion and a wide lower portion, and both sides of the upper portions of the second positioning rib 57 and the third positioning rib 58 are inclined surfaces, so that the two plug bush seats 11 can be rapidly inserted and installed.

Preferably, the third positioning rib 58 is located between the first auxiliary supporting plate 114 and the first fixed contact piece 111, a positioning groove 581 is formed between the third positioning rib 58 and the second positioning rib 57, the width of the positioning groove 581 is the same as that of the first fixed contact piece 111, and the side wall of the U-shaped socket body connected with the first fixed contact piece 111 is inserted into the positioning groove 581 for effective positioning.

Preferably, a positioning column 582 is fixedly arranged on a side wall of the third positioning rib 58 close to the bottom wall 115, the positioning column 582 is arranged adjacent to the bottom wall 115, the first positioning rib 56 and the positioning column 582 are located on a different straight line, and the positioning column 582 and the bottom wall 115 are matched with each other to position the bottom wall 115 from different positions.

Preferably, the outer side of each plug socket is provided with a pair of positioning baffles, each positioning baffle comprises a first positioning plate 59 and a second positioning plate 591, the first positioning plate 59 is connected with the outer side wall of the bottom wall 115, the second positioning plate 591 is attached to the outer side wall of the auxiliary support plate 4, and the first positioning plate 59 and the second positioning plate 591 limit the second plug socket from the outer side, so that the mounting accuracy of the plug socket is further ensured.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (10)

1. The utility model provides a high life socket with double-deck plug bush, includes shell subassembly and the plug bush of locating in the shell subassembly, the plug bush is including being used for with the plug at least one plug bush seat of cooperation of pegging graft, the plug bush seat includes a fixed contact piece and the elasticity contact piece that links to each other with fixed contact piece, elasticity contact piece and fixed contact piece set up relatively be used for cooperating its characterized in that with the plug: the double-layer plug bush seat is characterized by further comprising an auxiliary supporting sheet (4) connected with the fixed contact sheet, wherein the auxiliary supporting sheet (4) is matched with the fixed contact sheet in a bending mode to clamp the elastic contact sheet between the fixed contact sheet and the auxiliary supporting sheet, so that each plug bush seat forms a double-layer plug bush structure.

2. A high life socket with a double layer insert as claimed in claim 1, wherein: the auxiliary supporting sheet (4) is provided with an elastic arc-shaped surface (41) protruding towards one side of the elastic contact sheet.

3. A high life socket with a double layer insert as claimed in claim 1, wherein: the plug bush seat is integrally bent and formed, the plug bush seat comprises a plug bush seat body bent into a U shape, a fixed contact piece is arranged on the upper side edge of the side wall of one side of the plug bush seat body of the U shape in an extending mode, an auxiliary supporting piece (4) is arranged on the upper side edge of the side wall of the other side in an extending mode, the fixed contact piece is arranged opposite to the auxiliary supporting piece (4), the elastic contact piece is arranged opposite to the fixed contact piece and located between the fixed contact piece and the auxiliary supporting piece (4), and one end of the elastic contact piece is bent and.

4. A high life socket with a double layer insert as claimed in claim 1, wherein: the plug bush includes N utmost point plug bush (1), L utmost point plug bush (2) and E utmost point plug bush (3), and E utmost point plug bush (3) are located between N utmost point plug bush (1) and L utmost point plug bush (2), and N utmost point plug bush (1) and L utmost point plug bush (2) set up through E utmost point plug bush (3) mutual mirror image, N utmost point plug bush (1) and L utmost point plug bush (2) include that one two insert set seat (11), three insert set seat (12) respectively, and E utmost point plug bush (3) include that one E utmost point three insert set seat (30).

5. The high life socket with double layer insert of claim 4, wherein: the N-pole plug bush (1) and the L-pole plug bush (2) respectively comprise a two-plug-bush seat (11), a three-plug-bush seat (12), a plug bush body (13) and a screw connecting piece (14), the plug bush body (13) is of a long strip-shaped sheet structure, two ends of the plug bush body (13) are respectively connected with the two-plug-bush seat (11) and the three-plug-bush seat (12), and the screw connecting piece (14) is connected to one side of the plug bush body (13) and is positioned between the two-plug-bush seat (11) and the three-plug-bush seat (12); the two-plug socket seat (11) and the three-plug socket seat (12) both form a double-layer plug socket structure.

6. The high life socket with double layer insert of claim 5, wherein: the two ends of the plug bush body (13) of the N-pole plug bush (1) and the L-pole plug bush (2) are bent into U-shaped plug bush seat bodies which are respectively used for forming a two-plug bush seat (11) and a three-plug bush seat (12); the two plug bush seats (11) comprise a first fixed contact piece (111), a first elastic contact piece (112) and a first auxiliary support piece (114), the first fixed contact piece (111) is formed by upwards extending from the upper side edge of the side wall of one side, connected with the three plug bush seats (12), of the plug bush seat body of the two plug bush seats (11), the first elastic contact piece (112) is arranged opposite to the first fixed contact piece (111), the tail part of the first elastic contact piece (112) is bent and connected with the side edge of the first fixed contact piece (111), the first auxiliary support piece (114) is formed by upwards extending from the upper side edge of the side wall of the other side of the plug bush seat body of the two plug bush seats (11), and the first elastic contact piece (112) is positioned between the first fixed contact piece (111) and the first auxiliary support piece (114) to form a double-layer plug bush structure;

the three-plug socket (12) comprises a second fixed contact piece (121), a second elastic contact piece (122) and a second auxiliary support piece (124), the second fixed contact piece (121) is formed by upwards extending from the upper side edge of the side wall of one side, connected with the two-plug socket (11), of the socket body of the three-plug socket (12), the second elastic contact piece (122) is arranged opposite to the second fixed contact piece (121), the tail part of the second elastic contact piece (122) is bent and connected with the side edge of the second fixed contact piece (121), the second auxiliary support piece (124) is formed by upwards extending from the upper side edge of the side wall of the other side of the socket body of the three-plug socket (12), and the second elastic contact piece (122) is located between the second fixed contact piece (121) and the second auxiliary support piece (124) to form a double-layer socket structure.

7. The high life socket with double layer insert of claim 4, wherein: the E pole three-plug socket seat (30) of the E pole plug bush (3) comprises a third fixed contact piece (31), a third elastic contact piece (32) and a third auxiliary support piece (34), the E pole plug bush (3) comprises a sheet plug bush body (13), one end of the plug bush body (13) is bent into a U-shaped plug bush seat body, the other end of the plug bush seat body comprises an E pole connection piece (33) which is vertically bent with the plug bush body (13), the upper side edge of the E pole connection piece (33) upwards extends to form an upper convex part of the E pole connection piece, the third fixed contact piece (31) upwards extends from the upper side edge of the side wall of the plug bush seat body of the E pole plug bush (3) and connected with the E pole connection piece (33), the third auxiliary support piece (34) upwards extends from the upper side edge of the other side wall of the plug bush seat body of the E pole plug bush (3) to form a contact piece, and the third elastic contact piece (32) is arranged opposite to the third fixed contact piece (, the tail part of the third elastic contact piece (32) is bent and connected with the side edge of the convex part on the E pole connecting piece, and the third elastic contact piece (32) is positioned between the third fixed contact piece (31) and the third auxiliary supporting piece (34) to form a double-layer plug bush structure.

8. A high life socket with a double layer insert as claimed in claim 3, wherein: the shell assembly comprises a panel (5) and a base (55), wherein an inserting sleeve used for being electrically connected and a wiring terminal assembly (54) electrically connected with the inserting sleeve are arranged in the base (55), a protective door (52) is arranged above the inserting sleeve and used for shielding the inserting sleeve, a spring (53) is connected with the protective door (52) and used for driving the protective door (52) to reset, a second pressing plate (511) is connected with the base (55) and used for limiting the inserting sleeve between the pressing plate and the base (55), the protective door (52) is arranged on the second pressing plate (511), a first pressing plate (51) is used for limiting the protective door (52) between the second pressing plate (511) and the first pressing plate (51), the panel (5) covers the pressing plate and is connected with the base (55), jacks for a plug or a plug-in to pass through are arranged on the panel (5), the first pressing plate (51) and the second pressing plate (511) and correspond to the inserting sleeve base, a protective door (52) shields the jack.

9. A high life socket with a double layer insert as claimed in claim 3, wherein: the plane of the elastic clamping part formed by the elastic contact piece and the fixed contact piece is horizontally arranged, the plane of the elastic clamping part formed by the fixed contact piece and the auxiliary support piece is vertically arranged, and the elastic clamping part formed by the elastic contact piece and the fixed contact piece is perpendicular to the plane of the elastic clamping part formed by the fixed contact piece and the auxiliary support piece.

10. The high life socket with double layer insert of claim 8, wherein: a base surface (551) is arranged in the base (55), a positioning assembly for limiting the socket base is arranged at the position, corresponding to the socket base, of the base (55), and the positioning assembly is arranged on the base surface (551); the locating component comprises a first locating rib (56), a second locating rib (57) and a third locating rib (58), wherein the first locating rib (56), the second locating rib (57) and the third locating rib (58) are arranged in a triangular mode, and the first locating rib (56), the second locating rib (57) and the third locating rib (58) are respectively in limit fit with the side walls on the two sides of the U-shaped plug bush seat body and the bottom wall (115) connected between the side walls on the two sides.

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