CN203645097U - A grounded multi-plug common-long-opening socket - Google Patents

Abstract

A grounded multi-plug common-long-opening socket is composed of a housing, a long-opening, plate electrodes, a grounding groove and a protection plate. A plurality of plugs can be inserted into the long-opening of the socket simutaneously. Within an effective length of the long-opening of the socket, as long as a space for accommodating the thickness of a plug exists, the plug can be inserted into the long opening. No quantity restriction exists. Simultaneous mixed insertion of two-pin or three-pin clip-shaped reverse-stretching pugs is allowed, and a series forms automatically. The plugs and the socket are fit with each other tightly through plug springs. The contact is reliable; a locking function is realized; residual space is isolated through the protection plate; properties of safety and reliability are realized; the socket is standard in shape; and the design manufacturing technology of the socket is substantially simplified.

Description

There is ground connection multitap to share long mouthful socket

Technical field

The utility model relates to one can insert many plugs in a hole simultaneously, allows mixed insertion, and contact firm, have ground connection, have the ground connection multitap that has of safety protection structure to share a long mouthful of socket.

Background technology

It is exactly several positions that current individual event electricity multipurpose socket designs several plug position in advance, can vacantly but cannot insert more, and socket utilization rate is less than or equal to 1 forever; Socket, plug are divided into that to have earth connection socket, plug be three-pin socket, plug, with no ground line socket, plug be bipod socket, plug point, exist three-pin plug can not insert bipod slot, what two-pin plug can not insert tripod slot can not mixed insertion phenomenon; Between plugs and sockets, in natural contact condition, often get loose; The bipod slot of bipod socket or multipurpose socket does not have ground connection; Vacant slot does not have security protection; Socket shape is different, designing and manufacturing technique complexity.

Summary of the invention

In order to improve the service efficiency of socket, allow mixed insertion, both can insert three-pin plug, also can insert two-pin plug, improve contact condition between plugs and sockets, avoid getting loose, there is ground connection, have safety protection structure, guarantee the fail safe of vacant slot, simplified design manufacturing process, the utility model provides one to have ground connection multitap to share long mouthful socket.This has ground connection multitap to share a long mouthful socket can insert a lot of plugs within socket effective length, allow bipod, three-pin plug mixed insertion, between plugs and sockets, rely on plug spring to fit tightly and lock, there is grounding connection line, vacant part has protective plate to cut off, and improves security performance, and shape, size block are formatted, technique is simple, reduces manufacture difficulty.

The utility model solves the technical scheme that its technical problem adopts: one has ground connection multitap to share long mouthful socket by housing, long mouthful, battery lead plate, ground slot, protective plate composition, it is characterized in that on Socket casing, plane has long a mouthful of allowing multiple plugs simultaneously to insert, in long mouthful, side-lower both sides are two battery lead plates along a long mouthful long direction, look over from the one end perpendicular to length, two battery lead plate both sides in long mouthful are splayed and arrange, the spacing of two battery lead plate lower ends is greater than the spacing of upper end, below two electrode plate, interposition is equipped with a ground slot, ground slot and two electrode plate are parallel to each other, two electrode plate and ground slot form isosceles triangle, above long mouthful of lower electrodes plate, be close to long mouth have one can be along protective plate from long mouthful length direction to a side-pulling.

Socket is the cuboid of a sealing, is made up of housing and base plate, adopts screw to fit into as a whole, and adopting screw number can be 4,6,8 or more, determines according to socket length and requirement of strength.Through wires hole is left in one end at housing, allow external cord to penetrate via sheath, on Socket casing, on plane central authorities edge, the long direction of plane has long a mouthful of allowing multiple plugs simultaneously to insert, in long mouthful, side-lower both sides are two battery lead plates along a long mouthful long direction, look over from the one end perpendicular to length, two battery lead plate both sides in long mouthful are "eight" shape and arrange, the spacing of two battery lead plate lower ends is greater than the spacing of upper end, two battery lead plates are stuck between housing and base plate fixing in restriceted envelope, also can adopt screw to be separately fixed in Socket casing, below two electrode plate, interposition is equipped with a ground slot, ground slot and two electrode plate are parallel to each other, two electrode plate and ground slot form " product " font, base plate central authorities have and hold and limit the space that ground slot moves, respectively there is a screw hole at ground slot two ends, utilize screw ground slot can be fixed on base plate, ground slot is from looking over and take the shape of the letter U perpendicular to one end of length, and open a business to both sides slightly in top, U-shaped both sides, tighten up slightly to the inside bottom, good with the time contact of guaranteeing that plug earthed pin inserts wherein, ground slot is along long direction, every a segment distance, vertically have an osculum, osculum approaches ground slot bottom from top to bottom, U-shaped limit, ground slot both sides is divided into a bit of, the length of every section should be more than or equal to the thickness of plug, object is that ground slot can not separate the good contact that excessively has influence on another one plug earthed pin in the time that the grounding leg of a plug inserts, particularly in the time that the thickness of two different plug earthed pin is had any different, ground slot adopts such segmental structure, the grounding leg that can guarantee each plug contacts well with ground slot.On base plate, the restricted plug in ground slot both sides too much inserts two confined planes of housing bottom.One end of two electrode plate is separately installed with terminal screw, the also double terminal screw that does simultaneously of the hold-down screw of ground slot one end, two wires that penetrate from the outside via sheath add an earth connection and connect respectively on it, if adopt soldering to be connected respectively between two wires and an earth connection and ground slot of two battery lead plates, more solid and reliable, two terminal screws above battery lead plate can omit, and the screw of ground slot one end also can be only for installing dead earth groove.Mutually insulated between two one of electrode plate ground slots, not electrical connection, and can not be electrically connected between housing and base plate.Above long mouthful of lower electrodes plate, being close to long mouth has a protective plate, and housing and battery lead plate composition space boundary protective plate are present in long mouthful above lower electrodes plate, and protective plate can be along long mouthful length direction to a side-pulling.Extract protective plate out and can expose the long mouthful of inner space that allows plug to insert, matching used to have earth clip shape anti-sheet plug (application in addition) be that tripod folder shape anti-sheet plug can insert wherein with the utility model.

In the time that needs have earth clip shape anti-sheet plug to insert, first extract protective plate out to a side and expose the long mouthful of inner space that allows plug to insert, clutch earth clip shape anti-sheet plug handle with hand, spring is compressed, be separately installed with two pins of electrode slice near grounding leg, tripod closes up, insert socket inside through long mouthful of socket, first grounding leg inserts in the middle of ground slot, hand unclamps, spring is released, under spring action, between two pins of plug and grounding leg, spacing becomes large, drive two battery lead plate laminatings of two electrode slices and socket, because grounding leg is in ground slot, and now housing bottom confined planes has been touched in plug bottom, restriction plug continues to move down, under spring action, two electrode slices are outwards opened a business respectively tight with two battery lead plate laminatings obliquely upward.Now the distance between two pins of plug and electrode slice is greater than the width of long mouthful of socket, makes it locking, and the nature phenomenon that gets loose can not occur.Long mouth is not inserted the part of plug and is still sealed by protective plate.In the time that needs are extracted plug, clutch plug handle with hand, spring is compressed, be separately installed with pitch smaller between two pins of plug of electrode slice, electrode slice departs from battery lead plate, with upwards pull of hand, first grounding leg departs from ground slot, and plug is extracted smoothly in long mouthful.Even there is no the folder shape anti-sheet plug (application in addition) of ground connection is that bipod folder shape anti-sheet plug also can insert and extract in this socket.In the time that needs two-pin plug inserts, clutch and press from both sides shape anti-sheet plug handle with hand, spring is compressed, two pins of plug that are separately installed with electrode slice are mutually close, pitch smaller between two pins, insert socket inside through long mouthful of socket, housing bottom confined planes is touched in two pin lower ends of plug, hand unclamps, spring is released, under spring action, between two pins of plug, spacing becomes large, because housing bottom confined planes is touched in two pin lower ends of plug, restriction plug continues to move down, under spring action, two pins drive two electrode slices outwards to open a business and fit respectively closely with battery lead plate obliquely upward respectively.A socket has allowed earth clip shape anti-sheet plug (three-pin plug) to insert, and also allows not have the folder shape anti-sheet plug (two-pin plug) of ground connection to insert simultaneously, allows mixed insertion.In a socket, allow the quantity of inserting plug to be determined by the thickness summation of (have ground connection or there is no ground connection) folder shape anti-sheet plug of growing the length of mouth and can hold.

The beneficial effects of the utility model are: socket can insert multiple plugs in one long mouthful simultaneously, in the effective length of long mouthful of socket, as long as there is the space existence of holding plug thickness just can insert plug, there is no restricted number; Allow bipod and tripod folder shape anti-sheet plug mixed insertion simultaneously, have series of one's own; Between plugs and sockets, rely on plug spring to fit tightly, contact is reliable, and has locking function; Remaining space has protective plate to cut off, safe and reliable; Socket shape standard, simplifies the designing and manufacturing technique of socket greatly.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is that embodiment socket of the utility model and a relative position master who has ground pin to insert in socket look schematic diagram.

Fig. 2 is that the relative position master in embodiment socket of the utility model and a no ground plug insertion socket looks schematic diagram.

Fig. 3 is that embodiment socket of the utility model and one have ground pin to insert in the Fig. 1 of relative position in socket A to cross-sectional schematic.

Fig. 4 is embodiment socket of the utility model and a schematic top plan view that has ground pin to insert Fig. 1 of relative position in socket.

1. grounding legs in figure, 2. ground slot, 3. base plate, 4. screw, 5. housing, 6. confined planes, 7. battery lead plate, 8. electrode slice, 9. protective plate, 10. long mouthful, 11. plugs, 12. springs, 13. spacing, 14. long mouthful width, 15. screw holes, 16. length, 17. thickness, 18. osculums, 19. screws, 21. two-pin plugs, 22. Compress Springs, 31. electric wires, 32. sheaths.

Embodiment

In Fig. 1, socket is the cuboid of a sealing, formed by housing (5) and base plate (3), adopt screw (4) to fit into as a whole, adopting the quantity of screw (4) can be 4,6,8 or more, determines according to socket length and requirement of strength.There are long mouthful (10) that allow multiple plugs simultaneously to insert in the upper plane of Socket casing (5) central authorities along the long direction of upper plane, long mouthful (10) interior side-lower both sides are two battery lead plates (7) along the long direction of Chang Kou (10), look over from the end face perpendicular to length, two battery lead plates (7) both sides in Chang Kou (10) are splayed and arrange, the spacing of two battery lead plates (7) lower end is greater than the spacing of upper end, two battery lead plates (7) are stuck between housing (5) and base plate (3) fixing in restriceted envelope, also can adopt screw to be separately fixed in housing (5), be equipped with a ground slot (2) in the below interposition of two electrode plate (7), ground slot (2) is parallel to each other with two electrode plate (7), two electrode plate (7) form " product " font with ground slot (2), there is the space that holds and limit ground slot (2) movement in base plate (3) central authorities.Ground slot (2) is from looking over and take the shape of the letter U perpendicular to one end of length, and top, U-shaped both sides opens a business to both sides slightly, and tighten up slightly to the inside bottom, and contact is good when guaranteeing that grounding leg inserts wherein.The restricted plug in upper ground slot (2) both sides of base plate (3) too much inserts the confined planes (6) of housing bottom.Mutually insulated between two (7) ground slots of electrode plate (2), not electrical connection, and can not be electrically connected between housing (5) and base plate (3).Being close to long mouth in the top of Chang Kou (10) lower electrodes plate (7) has a protective plate (9), and housing (5) and battery lead plate (7) composition space boundary protective plate (9) are present in long mouthful of (10) lower electrodes plate (7) above.Protective plate (9) can be along long mouthful (10) length direction to a side-pulling.Extract protective plate (9) out and can expose long mouthful (10) inner space that allows plug to insert, matching used to have earth clip shape anti-sheet plug be that three-pin plug (11) can insert wherein with the utility model.

In the time that needs three-pin plug (11) inserts, clutch three-pin plug (11) handle with hand, spring (12) is compressed, be separately installed with (11) two pins of three-pin plug of electrode slice (8) near grounding leg (1), two pin spacing (14) diminish, insert socket inside through socket long mouthful (10) downwards along arrow, grounding leg (1) first inserts in the middle of ground slot (2), hand unclamps, spring (12) is released, under spring (12) effect, between three-pin plug (11) two pins, spacing (14) becomes large, drive two electrode slices (8) and two battery lead plates (7) of socket to fit, because grounding leg (1) is in ground slot (2), and now housing bottom confined planes (6) has been touched in three-pin plug (11) front portion, restriction three-pin plug (11) continues to move down, under spring (12) effect, two electrode slices (8) are outwards opened a business respectively tight with battery lead plate (7) laminating obliquely upward.Now the distance between three-pin plug (11) two pin spacing (14) and electrode slice (8) is all greater than the width (13) of socket long mouthful (10), makes it locking, and the nature phenomenon that gets loose can not occur.Long mouthful (10) are not inserted the part of plug (11) and are still sealed by protective plate (9).In the time that needs are extracted three-pin plug (11), clutch three-pin plug (11) handle with hand, spring (12) is compressed, the plug two pin spacing (14) that are separately installed with electrode slice (8) diminish, electrode slice (8) departs from battery lead plate (7), along upwards pull of arrow, grounding leg (1) first departs from ground slot (2), and three-pin plug (11) is extracted smoothly in Chang Kou (10).

In Fig. 2, the folder shape anti-sheet plug that there is no ground connection is that two-pin plug (21) also can insert and extract in this socket.In the time that needs two-pin plug (21) inserts, clutch two-pin plug (21) handle with hand, Compress Spring (22) is compressed, two pins that are separately installed with electrode slice (8) are pressed close to mutually, two pin spacing (14) diminish, insert socket inside through socket long mouthful (10), housing bottom confined planes (6) is touched in two-pin plug (21) lower end, hand unclamps, Compress Spring (22) is released, under Compress Spring (22) effect, between two pins of plug, spacing (14) becomes large, drive two electrode slices (8) and two battery lead plates (7) of socket to fit respectively, because two-pin plug (21) lower end is touched on housing bottom confined planes (6), restriction plug continues to move down, under Compress Spring (22) effect, two electrode slices (8) are outwards opened a business and are fitted respectively closely with battery lead plate (7) obliquely upward respectively.In the time that needs are extracted two-pin plug (21), clutch plug handle with hand, Compress Spring (22) is compressed, being separately installed with spacing (14) between two pins of plug of electrode slice (8) diminishes, electrode slice (8) departs from battery lead plate (7), along upwards pull of arrow, two-pin plug (21) is extracted smoothly in Chang Kou (10).

In Fig. 3, respectively there is a screw hole (15) at ground slot (2) two ends, utilize screw ground slot (2) can be fixed on base plate (3).Ground slot (2) is along long direction, every a segment distance, vertically have an osculum (18), osculum (18) approaches ground slot (2) bottom from top to bottom, U-shaped limit, ground slot (2) both sides is divided into sectional length (16), the length (16) of every section should be more than or equal to the thickness (17) of plug (11), object is that ground slot (2) can not separate the good contact that excessively has influence on another one plug (11) grounding leg in the time that the grounding leg of a plug (11) inserts, particularly in the time that the thickness of two different plugs (11) grounding leg is had any different, ground slot (2) adopts such segmental structure, can guarantee that each plug (11) contact is good.

In Fig. 4, through wires hole is left in one end at housing (5), allow external cord (31) to penetrate via sheath (32), one end of two electrode plate (7) is separately installed with terminal screw (19), the fixing screw hole (15) of ground slot (2) one end also can adopt the long spiro nail double terminal screw that does simultaneously, and two power lines that penetrate from the outside via sheath (32) add an earth connection and connect respectively on it.Two power lines and earth connection and two (7) ground slots of battery lead plate (2) if between adopt soldering to be connected respectively; more solid and reliable, two battery lead plates (7) terminal screw (19) above can omit, and the screw hole (15) of ground slot (2) one end also can not use wiring long spiro nail.Protective plate (9) can grow mouthful (10) length direction to a side-pulling along the direction of arrow.Extract protective plate (9) out and can expose long mouthful (10) inner space that allows plug to insert, plug (11) takies long mouthful of (10) interior thickness (17) after inserting.A socket has allowed earth clip shape anti-sheet plug (11) (three-pin plug) to insert, and also allows not have the folder shape anti-sheet plug (21) (two-pin plug) of ground connection to insert simultaneously, allows mixed insertion.The summation that allows the quantity of inserting plug to be more than or equal to the thickness (17) of (have ground connection or there is no ground connection) folder shape anti-sheet plug by the overall length of growing mouthful (10) in a socket determines.

For the clear each several part profile that represents, in figure, sectional plane adopts metal section line, and the actual material of implementing should adopt according to functional requirement the different materials such as copper, plastics, rubber.

Claims (2)

1. one kind has ground connection multitap to share long mouthful socket, by housing, long mouthful, battery lead plate, ground slot, protective plate composition, it is characterized in that: on Socket casing, plane has long a mouthful of allowing multiple plugs simultaneously to insert, in long mouthful, side-lower both sides are two battery lead plates along a long mouthful long direction, look over from the one end perpendicular to length, two battery lead plate both sides in long mouthful are splayed and arrange, the spacing of two battery lead plate lower ends is greater than the spacing of upper end, below two electrode plate, interposition is equipped with a ground slot, ground slot and two electrode plate are parallel to each other, two electrode plate and ground slot form " product " font, above long mouthful of lower electrodes plate, be close to long mouth have one can be along protective plate from long mouthful length direction to a side-pulling.

2. according to claim 1 have ground connection multitap to share long mouthful socket, it is characterized in that: ground slot, along long direction, every a segment distance, vertically has an osculum, osculum approaches ground slot bottom from top to bottom, and U-shaped limit, ground slot both sides is divided into a bit of.

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