CN112928557A - Three hole sockets and three hole plugs of integral type with multiple protection - Google Patents

Abstract

The invention relates to the technical field of plug and socket, and discloses an integrated three-hole socket and three-hole plug with multiple protection. This three hole sockets and three hole plugs of integral type with multiple protection, cover the mechanism through the setting, through permanent magnet B to permanent magnet A's magnetic repulsion effect, make the limiting plate to the shielding plate toward the one side of being close to jack intracavity central point department of putting and push, two sets of shielding plates in every jack intracavity have then realized having carried out the protection of formula of covering to the jack, not only play dust and filth in the air and have wafted into inside the jack, but also played in preventing that the family from interior baby finger misplugging to the jack, not only improved the protection to power connection equipment in the jack, but also played the protection to the user.

Description

Three hole sockets and three hole plugs of integral type with multiple protection

Technical Field

The invention relates to the technical field of plug and socket, in particular to an integrated three-hole socket and three-hole plug with multiple protections.

Background

The three-hole socket is a socket, the upper hole of which is a grounding wire, a left zero wire (N) and a right live wire (L). In general, single-phase electric equipment, especially mobile electric equipment, uses a three-pin plug and a three-hole socket matched with the three-pin plug.

The connected mode of three hole sockets of prior art's integral type and three hole bolts is comparatively simple, thereby only realize signal of telecommunication's purpose for simple grafting, but the purpose of grafting reaches, but not good to user's protecting effect, the reason lies in that the jack on the three hole sockets of prior art is in the exposing among the air of opening the formula for a long time, use easily and float into dust for a long time, dirty and even with batting thing etc. secondly, little baby in the family transfers the skin easily and inserts the jack with the finger, there is certain safe risk, three hole bolts in the condition that does not adapt to with the same reason, expose in the air, be difficult for being infected with easily and dirty, be stained with water even, produce the problem of short circuit when leading to pegging graft, consequently, not only have certain safe risk on using, and also have certain use risk to the user. Therefore, in view of the above problems, it is desirable to provide an integrated three-hole receptacle and three-hole plug with multiple protections.

Disclosure of Invention

Technical problem to be solved

In view of the shortcomings of the prior art, the present invention provides an integrated three-hole receptacle and three-hole plug with multiple protections.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an integrated three-hole socket and three-hole plug with multiple protections comprises a socket and a plug, wherein three jacks are arranged on the front face of the front side of the socket, two side inner walls in cavities of the three jacks are respectively provided with a covering mechanism, the covering mechanism comprises a covering plate, one side of the covering plate, which is close to the inner wall in the cavity of the jack, is fixedly provided with a limiting plate, the left side inner wall and the right side inner wall in the cavity of the jack are respectively provided with a shrinkage groove which is mutually clamped with the limiting plate, the limiting plate is movably clamped in the cavity of the shrinkage groove, the covering plate movably penetrates through the left side wall surface and the right side wall surface in the cavity of the jack, the inner wall of the shrinkage groove is fixedly provided with a permanent magnet B, the inner wall of one side of the limiting plate, which is close to the permanent magnet B, the magnetic poles, the sheath is hollow rectangle rubber sleeve, and the sheath sets up on the outer wall of bolt.

Preferably, a pushing mechanism is arranged between the two mutually close side wall surfaces of the cover plates and comprises a hydraulic sleeve, the hydraulic sleeve is a convex-shaped hollow pipe body, the convex end of the middle part of the hydraulic sleeve faces to one side of the central position in the jack cavity, the hydraulic sleeve is fixedly arranged in the inner wall of the cover plate, the middle convex end of the hydraulic sleeve is positioned at the middle position of the wall surface of the covering plate, a piston plate A is movably clamped in the inner wall of the middle convex end of the hydraulic sleeve, a push rod is fixedly arranged on one side wall surface of the piston plate A close to the central position in the cavity of the jack cavity, the push rod is a cylinder, and the push rod movably penetrates through the wall surface of the middle convex end of the hydraulic sleeve and the middle wall surface of the covering plate, and the extending end of the push rod is positioned in the cavity of the jack, one end of the push rod positioned in the cavity of the jack is an inclined plane, and the inclined plane end of the push rod is in a state of contracting inwards from back to front in width.

Preferably, the upper and lower both sides of the longer one end of hydraulic sleeve are located the top wall of apron and the bottom wall of apron respectively, and equal movable block has fly leaf B in the upper and lower both sides inner wall of the longer one end of hydraulic sleeve, and the equal fixed mounting in one side that fly leaf B is close to bottom wall in jack intracavity and the bottom wall of jack intracavity has the gangbar, and the gangbar activity runs through the upper and lower both sides wall of the longer one end of hydraulic sleeve and the top of apron and the bottom wall of apron, and the end that stretches out of gangbar is located the jack intracavity.

Preferably, two all be provided with stop gear between the top wall and the bottom inner wall that the cover plate is located the top wall and the bottom wall in jack intracavity and the bottom inner wall, stop gear includes the locating plate, the locating plate sets up on the top inner wall and the bottom inner wall in the jack intracavity, one side fixed mounting that the locating plate is close to jack intracavity wall has the baffle, all set up the groove that resets with the mutual block of baffle on jack intracavity top inner wall and the bottom inner wall, baffle activity block is at the intracavity in the groove that resets, and the end that stretches out of locating plate is located the jack intracavity, the end that stretches out of locating plate corresponds from top to bottom with the gangbar, the equal fixed mounting in the groove intracavity that.

Preferably, all be provided with triangular cardboard on the bottom wall of cover plate top wall and cover plate, the draw-in groove has all been seted up on the locating plate is close to one side wall of cardboard, draw-in groove position triangle-shaped, and the draw-in groove corresponds from top to bottom with the position of cardboard, the cardboard slope sets up on the top wall of cover plate and the bottom wall of cover plate.

Preferably, cardboard length less inclined plane bottom fixed mounting has a rolling ball A, and rolling ball A movable mounting all is provided with the bracing piece between cardboard length medium inclined plane and the bottom wall of hiding the board top wall and hiding the board on the top wall of hiding the board and the bottom wall of hiding the board.

Preferably, the equal fixed mounting in both ends of bracing piece has a turning ball B, and a turning ball B movable mounting of bracing piece one end is on the top wall of apron and the bottom wall of apron, and turning ball B is located turning ball A and is close to one side apron wall of gangbar, set up the support groove with the mutual block of turning ball B on the inclined plane lateral wall that cardboard length is medium, another turning ball B movable block of bracing piece is in supporting the inslot, supporting inslot bottom fixed mounting has supporting spring, supporting spring is located turning ball B's bottom.

Preferably, fixed plate fixed mounting is in the intracavity of plug, and the fixed plate that runs through of bolt, and the sheath activity is cup jointed on the outer wall of bolt, and the left end of bolt stretches out and cuts the left side wall outside of cover at the sheath, offers on the wall of plug left side and cuts the perforation that the cover position corresponds with the sheath, and the sheath activity runs through the perforation of plug left side wall, and the sheath is cut and is stretched out in the outside of plug.

Preferably, the equal fixed mounting in upper and lower both ends of sheath outer wall is protected and is had the location strip of rectangle, and the constant head tank with the mutual block of location strip is all seted up at both ends about the perforation inner wall of plug left side wall, and the equal fixed mounting in both ends has the stopper about the location strip.

Preferably, the sheath is located equal fixedly connected with stripper bar on the upper and lower both ends wall of plug intracavity, and the other end of stripper bar all sets up on the left side wall of fixed plate, and the equal fixed mounting of one end that the stripper bar is close to the fixed plate left side wall has the stroke board, and the extrusion groove with the mutual block of stroke board is seted up to fixed plate left side wall, and stroke board activity block is in the intracavity of extrusion groove, and the outer wall activity of stripper bar runs through the wall of fixed plate, and fixed mounting has reset spring on the extrusion groove right side intracavity face.

(III) advantageous effects

Compared with the prior art, the invention provides an integrated three-hole socket and three-hole plug with multiple protections, which has the following beneficial effects:

1. this three hole sockets and three hole plugs of integral type with multiple protection, cover the mechanism through the setting, through permanent magnet B to permanent magnet A's magnetic repulsion effect, make the limiting plate to the shielding plate toward the one side of being close to jack intracavity central point department of putting and push, two sets of shielding plates in every jack intracavity have then realized having carried out the protection of formula of covering to the jack, not only play dust and filth in the air and have wafted into inside the jack, but also played in preventing that the family from interior baby finger misplugging to the jack, not only improved the protection to power connection equipment in the jack, but also played the protection to the user.

2. This three hole sockets and three hole plugs of integral type with multiple protection, through setting up stop gear, two cover plates when every jack intracavity of group cover the formula protection to this jack when, the locating plate is under the elasticity supporting role of positioning spring to the baffle, make the locating plate be close to toward one side that is close to cover plate top wall and bottom wall, make to make in the spacing block of cardboard to the draw-in groove on cover plate top wall and the top wall, then realized that the locating plate has carried out spacing and location to the cover plate, then the user can't stimulate separately the cover plate from the outside of two sets of cover plates this moment, further improved the efficiency and the spacing intensity that two sets of cover plates cover the formula protection to the jack, played and prevented that the domestic baby takes off the problem that the cover plate was opened with the hand, further improved the protection to the user.

3. This three hole sockets and three hole plugs of integral type with multiple protection, through setting up pushing mechanism and stop gear, when the bolt inserted the jack and inserted the jack intracavity gradually, the end that stretches out of bolt contacts at first with two sets of inclined plane ends that are close to the catch bar each other, insert along the extrusion of bolt, realize hydraulic oil pressure increase in the hydraulic sleeve intracavity, then realize that fly leaf B extrudes the link bar and promotes, the link bar extrudes the locating plate and carries out spacing separation with the cardboard, two sets of apron at this moment can extrude the shrink in the jack intracavity, the invention has realized only when the bolt inserts the jack intracavity gradually, can open two sets of apron in the jack intracavity, realize the electric signal connection of bolt and jack intracavity wire, further improved practicality and creativity of the invention.

4. This three hole sockets and three hole plugs of integral type with multiple protection protect through setting up and cut the mechanism, protect and cut the cover activity parcel all the time on the outer wall of bolt, when the bolt under the in service behavior, protect and cut the cover and played dustproof, waterproof and dampproofing laminating formula protection to the bolt.

5. This three hole sockets and three hole plugs of integral type with multiple protection, protect through setting up and cut the mechanism, when the bolt inserts the jack intracavity and tightly inserts with the wire and be connected, protect and cut the intracavity that the cover then pushed toward the plug, protect and cut the cover and extrude the compression through stripper bar and stroke board to reset spring, the realization will protect and cut the cover and carry out the shrink of elasticity gradually toward the plug, protect simultaneously and cut the cover and be located partial length on the bolt outer wall then all the time to the protection when laminating the bolt, when preventing that the user from extracting the bolt, user's hand and the bolt contact of not extracting completely, the protection effect to the user has been improved.

6. This three hole sockets and three hole plugs of integral type with multiple protection, protect through setting up and cut the mechanism, when the user extracts the bolt from the intracavity of jack, protect and cut the cover and then realized under reset spring's elasticity impetus, make protect and cut the cover and carry out synchronous extension from the intracavity of plug, the protection that makes stretch out cuts the cover and carries out synchronous motion with the bolt of extracting all the time, then guaranteed all the time that the bolt outer wall after extracting has the protection of protecting and cutting the cover, further improved the protection effect to the user.

Drawings

FIG. 1 is a front partial cross-sectional view of a jack according to the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of the invention at B of FIG. 2;

FIG. 4 is an enlarged view of the invention at C of FIG. 3;

FIG. 5 is a partial cross-sectional view of a plug of the present invention;

FIG. 6 is an enlarged view taken at D of FIG. 5 in accordance with the present invention;

FIG. 7 is a schematic view of the push rod of the present invention.

In the figure: 1. a socket; 11. a jack; 2. a plug; 21. a bolt; 3. a cover mechanism; 31. a cover plate; 32. a limiting plate; 33. a permanent magnet A; 34. a contraction groove; 35. a permanent magnet B; 4. a pushing mechanism; 41. a push rod; 42. a hydraulic sleeve; 43. a piston plate A; 44. a linkage rod; 45. a movable plate B; 5. a guard cutting mechanism; 51. a sheath for protecting and cutting; 52. a fixing plate; 53. an extrusion stem; 54. a stroke plate; 55. extruding a groove; 56. a return spring; 57. a limiting block; 58. a positioning bar; 59. positioning a groove; 6. a limiting mechanism; 61. positioning a plate; 62. a positioning spring; 63. a reset groove; 64. a baffle plate; 65. a card slot; 66. clamping a plate; 7. rotating the ball A; 71. a support bar; 72. a rotating ball B; 73. a support spring; 74. and a support groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a three-hole socket and a three-hole plug with integrated multiple protection comprises a socket 1 and a plug 2, wherein the socket 1 and the plug 2 are both in the prior art, which is not described herein any more, the front side of the socket 1 is openly provided with three jacks 11, two side inner walls in cavities of the three jacks 11 are both provided with a covering mechanism 3, the covering mechanism 3 comprises a covering plate 31, one side of the covering plate 31, which is close to the inner wall in the cavity of the jack 11, is fixedly provided with a limiting plate 32, the left and right side inner walls in the cavity of the jack 11 are both provided with a shrink groove 34 which is mutually clamped with the limiting plate 32, the limiting plate 32 is movably clamped in the cavity of the shrink groove 34, the covering plate 31 movably penetrates through the left and right side wall surfaces in the cavity of the jack 11, the inner wall of the shrink groove 34 is fixedly provided with a permanent magnet B35, one side inner wall of the limiting plate 32, which is close to a permanent magnet B35, the pushing mechanism 4 comprises a hydraulic sleeve 42, the hydraulic sleeve 42 is a hollow pipe body in a shape of a Chinese character 'tu', a middle protruding end of the hydraulic sleeve 42 faces one side of a central position in the cavity of the jack 11, the hydraulic sleeve 42 is fixedly installed in the inner wall of the cover plate 31, the middle protruding end of the hydraulic sleeve 42 is located at the central position of the wall surface of the cover plate 31, a piston plate A43 is movably clamped in the inner wall of the middle protruding end of the hydraulic sleeve 42, a pushing rod 41 is fixedly installed on the wall surface of one side, close to the central position in the cavity of the jack 11, of the piston plate A43, the pushing rod 41 is a cylinder, the pushing rod 41 movably penetrates through the wall surface of the middle protruding end of the hydraulic sleeve 42 and the middle wall surface of the cover plate 31, an extending end of the pushing rod 41 is located in the cavity of the jack 11, one end of the pushing rod 41 located in the cavity of the jack 11 is an inclined surface, the specific shape of the pushing rod 41 is as shown in fig. 7, the upper and lower sides of the longer end of the hydraulic sleeve 42 are respectively located in the top wall surface of the covering plate 31 and the bottom wall surface of the covering plate 31, the movable plates B45 are movably clamped in the upper and lower side inner walls of the longer end of the hydraulic sleeve 42, the linkage rods 44 are fixedly mounted on the movable plates B45 near the bottom wall surface in the cavity of the jack 11 and the bottom wall surface in the cavity of the jack 11, the linkage rods 44 movably penetrate through the upper and lower side wall surfaces of the longer end of the hydraulic sleeve 42, the top of the covering plate 31 and the bottom wall surface of the covering plate 31, the extending ends of the linkage rods 44 are located in the cavity of the jack 11, the limiting mechanisms 6 are respectively arranged between the top wall surface and the bottom wall surface of the cavity of the jack 11 and the top wall surface and the bottom wall surface in the cavity of the jack 11, each limiting mechanism, a baffle plate 64 is fixedly arranged on one side of the positioning plate 61 close to the inner wall of the cavity of the jack 11, reset grooves 63 which are mutually clamped with the baffle plate 64 are respectively arranged on the inner wall of the top part and the inner wall of the bottom part of the cavity of the jack 11, the baffle plate 64 is movably clamped in the cavity of the reset grooves 63, the extending end of the positioning plate 61 is positioned in the cavity of the jack 11, the extending end of the positioning plate 61 vertically corresponds to the linkage rod 44, positioning springs 62 which are uniformly distributed are fixedly arranged in the cavities of the reset grooves 63, triangular clamping plates 66 are respectively arranged on the wall surface of the top part of the covering plate 31 and the wall surface of the bottom part of the covering plate 31, clamping grooves 65 are respectively arranged on the wall surface of one side of the positioning plate 61 close to the clamping plates 66, the clamping grooves 65 are triangular, the clamping grooves 65 vertically correspond to the positions of the clamping plates 66, the clamping plates, the rotating ball A7 is movably arranged on the top wall surface of the cover plate 31 and the bottom wall surface of the cover plate 31, a support rod 71 is arranged between an inclined surface with the medium length of the clamping plate 66 and the top wall surface of the cover plate 31 and the bottom wall surface of the cover plate 31, rotating balls B72 are fixedly arranged at both ends of the support rod 71, a rotating ball B72 at one end of the support rod 71 is movably arranged on the top wall surface of the cover plate 31 and the bottom wall surface of the cover plate 31, a rotating ball B72 is positioned on the side wall surface of the cover plate 31, close to the linkage rod 44, of the rotating ball A7, a support groove 74 which is mutually clamped with the rotating ball B72 is arranged on the inclined surface side wall with the medium length of the clamping plate 66, another rotating ball B72 of the support rod 71 is movably clamped in the support groove 74 cavity, a support spring 73 is fixedly arranged at the bottom of the support groove 74 cavity, the support spring 73 is positioned at, the plug 21 is the prior art, which is not described herein any more, the shaving mechanism 5 is disposed between the three sets of plugs 21 and the plug 2, the shaving mechanism 5 includes a shaving sleeve 51 and a fixing plate 52, the shaving sleeve 51 is a hollow rectangular rubber sleeve, the shaving sleeve 51 is disposed on the outer wall of the plug 21, the fixing plate 52 is fixedly mounted in the cavity of the plug 2, the plug 21 is fixedly penetrated through the fixing plate 52, the shaving sleeve 51 is movably sleeved on the outer wall of the plug 21, the left end of the plug 21 extends out of the left side wall of the shaving sleeve 51, a through hole corresponding to the shaving sleeve 51 is disposed on the left side wall of the plug 2, the shaving sleeve 51 movably penetrates through the through hole on the left side wall of the plug 2, the shaving sleeve 51 extends out of the plug 2, rectangular positioning bars 58 are fixedly mounted at the upper and lower ends of the outer wall of the shaving sleeve 51, positioning grooves 59 are disposed at the upper and lower ends of the through hole inner wall of the left side wall of the, the equal fixed mounting in both ends has stopper 57 about location strip 58, protect and cut equal fixedly connected with extrusion stem 53 on the upper and lower both ends wall that cover 51 is located the plug 2 intracavity, the other end of extrusion stem 53 all sets up on the left side wall of fixed plate 52, the equal fixed mounting of one end that extrusion stem 53 is close to fixed plate 52 left side wall has stroke board 54, the extrusion groove 55 with the mutual block of stroke board 54 is seted up to fixed plate 52 left side wall, stroke board 54 activity block is in the intracavity of extrusion groove 55, and the outer wall activity of extrusion stem 53 runs through the wall of fixed plate 52, fixed mounting has reset spring 56 on the extrusion groove 55 right side intracavity face.

When the plug is used, when the three pins 21 on the plug 2 are inserted into the three insertion holes 11 of the socket 1 and the pins 21 and the cutting sheaths 51 enter the insertion holes 11, when the extended length of the pins 21 is longer than the extended length of the cutting sheaths 51, the extended end of the pins 21 is firstly in compression contact with the push rod 41, the extended end of the pins 21 gradually compresses and pushes the inclined surface of the push rod 41, the push rod 41 is compressed and pushed into the cavity of the hydraulic sleeve 42, under the action of hydraulic oil in the cavity of the hydraulic sleeve 42, the piston plate a43 compresses and pushes the linkage rod 44, the linkage rod 44 further extends out of the cavity of the insertion holes 11, the top end of the linkage rod 44 compresses and pushes the positioning plate 61, the positioning plate 61 compresses the positioning spring 62 through the baffle plate 64, the positioning spring 62 is compressed and contracted into the cavity of the return groove 63, and meanwhile, when the positioning plate 61 is further compressed and pushed by the extended end of the linkage rod 44, then, the positioning plate 61 moves towards one side close to the reset groove 63, it is realized that the positioning plate 61 is far away from the clamping plate 66, the top end of the clamping plate 66 is separated from the cavity of the clamping groove 65, the clamping between the clamping plate 66 and the clamping groove 65 is realized, the limitation of the positioning plate 66 on the positioning plate 61 is realized, the limitation of the positioning plate 61 on the covering plate 31 is realized, under the condition that three jacks 11 on the socket 1 are not normally used, the magnetic repulsion action of the permanent magnet B35 on the permanent magnet A33 is realized, the limiting plate 32 extrudes and pushes the covering plate 31 towards one side close to the central position in the cavity of the jack 11, two groups of covering plates 31 in the cavity of each jack 11 realize the covering protection of the jacks 11, therefore, by arranging the covering mechanism 3, the magnetic repulsion action of the permanent magnet B35 on the permanent magnet A33 is realized, the limiting plate 32 extrudes and pushes the covering plate 31 towards one side close to the central position in, two sets of cover plates 31 in 11 intracavity of every jack have then realized having carried out the protection of formula of covering to jack 11, not only play dust and filth in the air and float into inside jack 11, but also played in preventing that the little baby in the family from pointing to insert jack 11 by mistake, not only improved the protection to power connection equipment in jack 11, but also played the protection to the user.

When the two covering plates 31 in the cavity of each group of the jacks 11 cover the jacks 11, the positioning plate 61 makes the positioning plate 61 approach to one side of the top wall and the bottom wall of the covering plate 31 under the elastic supporting action of the positioning spring 62 on the baffle plate 64, so that the clamping plates 66 on the top wall and the top wall of the covering plate 31 are in limited clamping in the clamping groove 65, the positioning plate 61 limits and positions the covering plate 31, and at the moment, a user cannot pull the covering plates 31 from the outside of the two groups of the covering plates 31 to separate the covering plates, the efficiency and the limiting strength of the covering protection of the jacks 11 by the two groups of the covering plates 31 are further improved, the problem that the covering plates 31 are pulled away by hands of small babies in a family is solved, the protection of the user is further improved, by arranging the pushing mechanism 4 and the limiting mechanism 6, when the bolt 21 is gradually inserted into the jacks 11, the extension end of the bolt 21 is firstly contacted with two groups of inclined plane ends which are close to the push rod 41, the extension end is inserted along the extrusion of the bolt 21, the hydraulic oil pressure in the cavity of the hydraulic sleeve 42 is increased, the movable plate B45 is extruded and pushed to the linkage rod 44, the linkage rod 44 extrudes the positioning plate 61 and is limited and separated from the clamping plate 66, the two groups of covering plates 31 can be extruded and contracted in the cavity of the jack 11 at the moment, the invention realizes that the two groups of covering plates 31 in the cavity of the jack 11 can be opened only when the bolt 21 is gradually inserted into the cavity of the jack 11, the electric signal connection of the bolt 21 and a lead in the cavity of the jack 11 is realized, the practicability and the creativity of the invention are further improved, the protection and cutting mechanism 5 is arranged, the protection and cutting sleeve 51 is always movably wrapped on the outer wall of the bolt 21, and the protection and cutting sleeve 51 plays a role of preventing dust for the bolt, Waterproof and moistureproof attaching type protection, by arranging the cutting mechanism 5, when the plug pin 21 is inserted into the cavity of the jack 11 to be connected with a wire in a plugging manner, the cutting sleeve 51 pushes and pushes the cavity of the plug 2, the cutting sleeve 51 pushes and compresses the return spring 56 through the extrusion rod 53 and the stroke plate 54, so that the cutting sleeve 51 gradually contracts towards the plug 2 in an elastic manner, meanwhile, the cutting sleeve 51 is positioned on the upper part of the outer wall of the plug pin 21 and always protects the plug pin 21 in the attaching manner, when a user pulls out the plug pin 21, the hand of the user is prevented from contacting with the plug pin 21 which is not completely pulled out, the protection effect on the user is improved, by arranging the cutting mechanism 5, when the user pulls out the plug pin 21 from the cavity of the jack 11, the cutting sleeve 51 realizes the elastic pushing action of the return spring 56, so that the cutting sleeve 51 is synchronously extended from the cavity of the plug 2, the extended cutting sheath 51 and the pulled plug pin 21 always move synchronously, so that the protection of the cutting sheath 51 on the outer wall of the pulled plug pin 21 is always ensured, and the protection effect on a user is further improved.

The working steps are as follows:

the first step is as follows: when the three pins 21 on the plug 2 are inserted into the three insertion holes 11 of the socket 1, and the pins 21 and the cutting sheaths 51 enter the insertion holes 11, and the extended length of the pins 21 is longer than that of the cutting sheaths 51, the extended end of the pins 21 is firstly in extrusion contact with the push rod 41, and the extended end of the pins 21 gradually extrudes and pushes the inclined surface of the push rod 41, so that the push rod 41 is extruded and pushed into the cavity of the hydraulic sleeve 42;

the second step is that: under the action of hydraulic oil in the cavity of the hydraulic sleeve 42, the piston plate a43 extrudes and pushes the linkage rod 44, the linkage rod 44 further extends out of the cavity of the jack 11, the top end of the linkage rod 44 extrudes and pushes the positioning plate 61, the positioning plate 61 extrudes the positioning spring 62 through the baffle plate 64, and the positioning spring 62 is extruded and contracted in the cavity of the reset groove 63;

the third step: the positioning plate 61 is further extruded and pushed by the extending end of the linkage rod 44, so that the positioning plate 61 moves towards one side close to the reset groove 63, the positioning plate 61 is far away from the clamping plate 66, the top end of the clamping plate 66 is separated from the cavity of the clamping groove 65, the clamping plate 66 is clamped with the clamping groove 65, and the clamping plate 66 limits the positioning plate 61;

the fourth step: the permanent magnet B35 has a magnetic repulsion effect on the permanent magnet A33, the limiting plate 32 extrudes and pushes the shielding plates 31 to one side close to the center position in the cavity of the jack 11, and the two groups of shielding plates 31 in the cavity of each jack 11 realize shielding protection on the jack 11;

the fifth step: when the plug 21 is inserted into the cavity of the jack 11 to be connected with a wire in a plugging manner, the cutting sheath 51 pushes the cavity of the plug 2, the cutting sheath 51 pushes the return spring 56 through the extrusion rod 53 and the stroke plate 54 to compress, so that the cutting sheath 51 gradually contracts towards the plug 2 in an elastic manner, and meanwhile, the cutting sheath 51 is positioned on the outer wall of the plug 21 to ensure that the plug 21 is always protected when being attached.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A three-jack socket and three-jack plug of integral type with multiple protection, including socket (1) and plug (2), its characterized in that: the front side of the socket (1) is provided with three insertion holes (11), two side inner walls in cavities of the three insertion holes (11) are respectively provided with a covering mechanism (3), each covering mechanism (3) comprises a covering plate (31), one side, close to the inner wall in the cavity of each insertion hole (11), of each covering plate (31) is fixedly provided with a limiting plate (32), the inner walls of the left side and the right side in the cavity of each insertion hole (11) are respectively provided with a shrinkage groove (34) which is mutually clamped with the limiting plate (32), each limiting plate (32) is movably clamped in the cavity of each shrinkage groove (34), each covering plate (31) movably penetrates through the left side wall surface and the right side wall surface in the cavity of each insertion hole (11), the inner wall of each shrinkage groove (34) is fixedly provided with a permanent magnet B (35), one side inner wall, close to each permanent magnet B (;

the plug is characterized in that three groups of bolts (21) are fixedly mounted on the left side wall surface of the plug (2), a protection and cutting mechanism (5) is arranged between the three groups of bolts (21) and the plug (2), the protection and cutting mechanism (5) comprises a protection and cutting sleeve (51) and a fixing plate (52), the protection and cutting sleeve (51) is a hollow rectangular rubber sleeve, and the protection and cutting sleeve (51) is arranged on the outer wall of the bolt (21).

2. A multi-shielded integrated three hole receptacle and three hole plug according to claim 1 wherein: a pushing mechanism (4) is arranged between two side wall surfaces, close to each other, of the two cover plates (31), the pushing mechanism (4) comprises a hydraulic sleeve (42), the hydraulic sleeve (42) is a hollow pipe body in a shape like a Chinese character 'tu', a middle protruding end of the hydraulic sleeve (42) faces one side of a cavity center position of the jack (11), the hydraulic sleeve (42) is fixedly installed in the inner wall of the cover plate (31), the middle protruding end of the hydraulic sleeve (42) is located at the middle position of the wall surface of the cover plate (31), a piston plate A (43) is movably clamped in the inner wall of the middle protruding end of the hydraulic sleeve (42), a pushing rod (41) is fixedly installed on one side wall surface, close to the cavity center position of the jack (11), of the piston plate A (43), the pushing rod (41) is a cylinder, and the pushing rod (41) movably penetrates through the wall surface of the middle protruding end of the hydraulic sleeve (42) and the middle wall surface of the cover plate, and the extending end of the push rod (41) is positioned in the cavity of the insertion hole (11), one end of the push rod (41) positioned in the cavity of the insertion hole (11) is an inclined plane, and the inclined plane end of the push rod (41) is in a state of being retracted from the back to the front.

3. A multi-shielded integrated three hole receptacle and three hole plug according to claim 2 wherein: the upper and lower both sides of the longer one end of hydraulic sleeve (42) are located the top wall of apron (31) and the bottom wall of apron (31) respectively, equal movable block has fly leaf B (45) in the upper and lower both sides inner wall of the longer one end of hydraulic sleeve (42), one side that fly leaf B (45) are close to jack (11) intracavity bottom wall and jack (11) intracavity bottom wall all fixed mounting have gangbar (44), the top of the upper and lower both sides wall of the longer one end of hydraulic sleeve (42) and apron (31) and the bottom wall of apron (31) are run through in gangbar (44) activity, and the end that stretches out of gangbar (44) is located jack (11) intracavity.

4. A multi-shielded integrated three hole receptacle and three hole plug according to claim 1 wherein: the two cover plates (31) are respectively provided with a limiting mechanism (6) between the top wall surface and the bottom wall surface in the cavity of the jack (11) and the top inner wall and the bottom inner wall in the cavity of the jack (11), the limiting mechanism (6) comprises a positioning plate (61), the positioning plates (61) are arranged on the top inner wall and the bottom inner wall in the cavity of the jack (11), one side of the positioning plate (61) close to the inner wall of the cavity of the jack (11) is fixedly provided with a baffle plate (64), the top inner wall and the bottom inner wall in the cavity of the jack (11) are respectively provided with a reset groove (63) which is mutually clamped with the baffle plate (64), the baffle plate (64) is movably clamped in the cavity, and the extending end of the positioning plate (61) is positioned in the cavity of the jack (11), the extending end of the positioning plate (61) vertically corresponds to the linkage rod (44), and positioning springs (62) which are uniformly distributed are fixedly arranged in the cavity of the reset groove (63).

5. A multi-shielded integrated three-hole receptacle and three-hole plug according to claims 1 and 4, wherein: all be provided with triangular cardboard (66) on the bottom wall of cover plate (31) top wall and cover plate (31), draw-in groove (65) have all been seted up on locating plate (61) is close to a side wall of cardboard (66), draw-in groove (65) position triangle-shaped, and draw-in groove (65) and the position of cardboard (66) correspond from top to bottom, cardboard (66) slope sets up on the top wall of cover plate (31) and the bottom wall of cover plate (31).

6. A multi-shielded integrated three hole receptacle and three hole plug according to claim 5 wherein: the bottom of the inclined plane with the smaller length of the clamping plate (66) is fixedly provided with a rotating ball A (7), the rotating ball A (7) is movably arranged on the top wall surface of the covering plate (31) and the bottom wall surface of the covering plate (31), and a supporting rod (71) is arranged between the inclined plane with the middle length of the clamping plate (66) and the bottom wall surfaces of the top wall surface of the covering plate (31) and the covering plate (31).

7. A multi-shielded integrated three hole receptacle and three hole plug according to claim 6 wherein: the utility model discloses a bracing piece, including bracing piece (71), the equal fixed mounting in both ends of bracing piece (71) has rolling ball B (72), a rolling ball B (72) movable mounting of bracing piece (71) one end is on the top wall of housing plate (31) and the bottom wall of housing plate (31), and rolling ball B (72) are located rolling ball A (7) and are close to one side housing plate (31) wall of gangbar (44), set up on the inclined plane lateral wall of cardboard (66) length medium and support groove (74) with the mutual block of rolling ball B (72), another rolling ball B (72) movable block of bracing piece (71) is in support groove (74) intracavity, support groove (74) intracavity bottom fixed mounting has supporting spring (73), supporting spring (73) are located the bottom of rolling ball B (72).

8. A multi-shielded integrated three hole receptacle and three hole plug according to claim 1 wherein: fixed plate (52) fixed mounting is in the intracavity of plug (2), fixed plate (52) are run through to bolt (21) is fixed, sheath (51) activity cup joints on the outer wall of bolt (21), and the left end of bolt (21) stretches out and is cutting the left side wall outside of cover (51), set up the perforation that corresponds with sheath (51) position on plug (2) left side wall, sheath (51) activity runs through the perforation of plug (2) left side wall, and sheath (51) stretch out in the outside of plug (2).

9. A multi-shielded integrated three-hole receptacle and three-hole plug according to claims 1 and 8, wherein: the protection is cut the equal fixed mounting in both ends about cover (51) outer wall and is had location strip (58) of rectangle, and constant head tank (59) with the mutual block of location strip (58) are all seted up at both ends about the perforation inner wall of plug (2) left side wall, and the equal fixed mounting in both ends has stopper (57) about location strip (58).

10. A multi-shielded integrated three-hole receptacle and three-hole plug according to claim (1), wherein: the protection is cut cover (51) and is located equal fixedly connected with lifter (53) on the upper and lower both ends wall of plug (2) intracavity, the other end of lifter (53) all sets up on the left side wall of fixed plate (52), the equal fixed mounting of one end that lifter (53) are close to fixed plate (52) left side wall has stroke board (54), extrusion groove (55) with the mutual block of stroke board (54) are seted up to fixed plate (52) left side wall, stroke board (54) activity block is in the intracavity of extrusion groove (55), and the wall of fixed plate (52) is run through in the outer wall activity of lifter (53), fixed mounting has reset spring (56) on extrusion groove (55) right side chamber internal wall.

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