CN111224270B

CN111224270B - Anti-loose plug and socket

Info

Publication number: CN111224270B
Application number: CN202010040282.3A
Authority: CN
Inventors: 朱燚鹏; 吕佳玲
Original assignee: Keli Industry Shenzhen Co ltd
Current assignee: Keli Industry Shenzhen Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2021-03-05
Anticipated expiration: 2040-01-15
Also published as: CN111224270A

Abstract

The invention discloses an anti-loosening plug which comprises a plug body, wherein two symmetrically arranged electric connecting posts are fixed on the side wall of the plug body, rotary grooves are formed in the side walls of the two electric connecting posts, the inner walls of the two rotary grooves are rotatably connected with rotary shafts through torsional springs, rotary rods are fixed on the circumferential side walls of the two rotary shafts, adsorption blocks are fixed at two ends of the two rotary rods, a waterproof sealing structure is arranged at one end, close to a socket, of the plug body, and electric connecting structures are arranged inside the two rotary grooves. Has the advantages that: the magnetic block is used for attracting the adsorption block, so that the adsorption block moves towards the magnetic block, the rotating rod rotates around the rotating shaft to deviate from the rotating groove, the rotating rod is finally enabled to be abutted against the inner wall of the socket, the electric connecting column is prevented from being pulled out of the jack, the plug cannot be separated from the socket after being combined with the socket, the situation that the power is cut off due to the fact that the plug cannot easily fall off in the power-on use process is guaranteed, and the stability of the power-on process.

Description

Anti-loose plug and socket

Technical Field

The invention relates to the technical field of electric power facilities, in particular to a locking plug and a socket.

Background

The connector of a common electronic product and the electric appliance bolt are called as plugs; the socket means a socket into which one or more circuit wirings are inserted, through which various wirings are inserted; a plug and socket for domestic AC power supply has a male connector in the shape of rod or copper plate and a female connector-type power supply socket with slot or concave hole.

The mode that the cooperation of plug and socket is used up to supply power to electrical apparatus is inevitable in life, especially under the condition of very depending on electric power at present, and the combination of plug and socket is always unstable enough, and the plug is extremely easily separated from the socket after long-time use to lead to the electric process not stable enough, it is very inconvenient to use, therefore needs a plug and socket that can stably supply power urgent need.

Disclosure of Invention

The invention aims to solve the problem that a plug is easy to separate from a socket in the using process in the prior art, and provides an anti-loose plug and the socket.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a locking plug, includes the plug, the lateral wall of plug is fixed with the electrical connection post that two symmetries set up, two the turn trough has all been seted up to the lateral wall of electrical connection post, two the inner wall of turn trough all is connected with the pivot through the torsional spring rotation, two the circumference lateral wall of pivot all is fixed with the bull stick, two the both ends of bull stick all are fixed with adsorbs the piece, the one end that the plug is close to the socket is equipped with waterproof sealing structure, two the inside electricity structure that connects that all is equipped with of turn trough.

In foretell locking plug, connect the electric structure including offer at the propulsion groove that connects electric post lateral wall and the inside intercommunication of rotary trough, the one end inner wall that is close to the rotary trough that advances the groove is fixed with reset spring, reset spring keeps away from the one end of pivot and is fixed with and impels the piece, the one end that impels the piece to keep away from the pivot is fixed with and advances groove inner wall sliding connection's the electric head that connects.

In the anti-loose plug, the waterproof sealing structure comprises a shrinkage groove formed in the side wall of the plug, a plurality of connecting springs are fixed at the inner bottom of the shrinkage groove, and a sealing sleeve in sealing sliding connection with the inner wall of the shrinkage groove is jointly fixed at one end, close to the power connection post, of each connecting spring.

In foretell locking take-off socket, the lateral wall of socket runs through the jack of seting up two symmetries and setting, two the inner wall of jack all is connected with the baffle that two symmetries set up through the torsional spring rotation, the inner wall of socket is fixed with two electrical connection seats, the inner wall symmetry of socket is fixed with two magnetic paths.

In the anti-loose plug, the side walls of the two electrical connection seats are provided with clamping grooves, the inner walls of the clamping grooves are symmetrically fixed with two elastic pieces, and the inner walls of the sockets are symmetrically provided with two electromagnets.

Compared with the prior art, the invention has the advantages that:

1. according to the invention, the magnetic block attracts the adsorption block to enable the adsorption block to move towards the magnetic block, so that the rotating rod rotates around the rotating shaft to deviate from the rotating groove, and finally the rotating rod can be abutted against the inner wall of the socket to block the electric connecting column from being pulled out of the jack, so that the plug cannot be separated from the socket after being combined with the socket, and further, the situation that the plug cannot easily fall off to cause power failure in the power-on use process is ensured, and the stability of the power-on process is;

2. according to the invention, the plug is supported by the support of the baffle plate and cannot move downwards at will, so that the electrifying process is stably carried out, when the plug is pulled out, the plug is pressed downwards to enable the electric connection pole to cross the baffle plate and enter the bottom of the jack, so that the whole circuit is powered off, the rotating rod and the magnetic block are staggered, the rotating rod is reset into the rotating groove, the plug is not blocked when being pulled out, the plug is convenient to pull out, and meanwhile, the electric connection pole is powered off in the pulling-out process, so that the electric shock phenomenon caused by mistaken contact in the pulling-out process is effectively avoided, and the use process is safer;

3. when the plug is combined with the socket, the sealing sleeve deforms under the action of the elastic force of the connecting spring and is tightly attached to the outer wall of the socket, so that a gap between the plug and the socket is closed, the electric connecting post and the jack are not exposed outside, the electric leakage and electric shock phenomena cannot be caused even if external water flow splashes, and the use safety is ensured;

4. according to the socket and the plug, when the current in the circuit is increased rapidly due to short circuit and other reasons of an electric appliance, the magnetic force of the electromagnet is increased rapidly, so that the rotating rod is attracted to deflect, the power connection head is contracted into the pushing groove, the circuit is powered off, circuit damage, even fire and electric shock caused by continuous high current are avoided, and the use process of the socket and the plug is safer.

Drawings

Fig. 1 is a schematic structural view of a locking plug and a locking socket according to the present invention;

FIG. 2 is a cross-sectional view taken along the direction A in FIG. 1;

FIG. 3 is a side view of the receptacle portion of a locking plug and receptacle according to the present invention;

fig. 4 is an enlarged schematic view of a portion B in fig. 1.

In the figure: the power connector comprises a plug 1, a socket 2, a power connection post 3, a jack 4, a baffle 5, a power connection seat 6, a rotating groove 7, a rotating shaft 8, a rotating rod 9, an adsorption block 10, a magnetic block 11, a contraction groove 12, a connecting spring 13, a sealing sleeve 14, a propulsion groove 15, a return spring 16, a propulsion block 17, a power connection head 18, a clamping groove 19, a spring sheet 20 and an electromagnet 21.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-4, a locking plug and a socket, including a plug 1 and a socket 2, two symmetrically arranged electric connecting posts 3 are fixed on the side wall of the plug 1, two symmetrically arranged jacks 4 are formed through the side wall of the socket 2, the inner walls of the two jacks 4 are connected with two baffles 5 which are symmetrically arranged and are abutted against the corresponding electric connecting posts 3 through torsional springs in a rotating manner, two electric connecting seats 6 which are abutted against the two electric connecting posts 3 are fixed on the inner wall of one end of the socket 2 far away from the plug 1 in a corresponding manner, rotary slots 7 are formed on the side walls of the two electric connecting posts 3, rotary shafts 8 are connected on the inner walls of the two rotary slots 7 through torsional springs in a rotating manner, rotary rods 9 are fixed on the circumferential side walls of the two rotary shafts 8, adsorption blocks 10 are fixed on both ends of the two rotary rods 9, two magnetic blocks 11 corresponding to the positions of the two rotary rods 9 are symmetrically fixed on the inner wall of the socket 2, magnetic path 11 and absorption piece 10 attract each other, and magnetic path 11 and absorption piece 10 are the permanent magnet, and the one end that plug 1 is close to socket 2 is equipped with waterproof sealing structure, and two rotary slots 7 are inside all to be equipped with to connect the electric structure.

Connect the electric structure including offer in the electric post 3 be close to the propulsion groove 15 that connects 6 one end lateral walls of electric seat and with the inside intercommunication of rotary trough 7, the one end inner wall that is close to rotary trough 7 that advances groove 15 is fixed with reset spring 16, reset spring 16 is close to the one end that connects electric seat 6 and is fixed with propulsion piece 17, propulsion piece 17 is the permanent magnet and repels each other with the adsorption piece 10 that is close to, the one end that advances piece 17 to be close to electric seat 6 is fixed with and advances groove 15 inner wall sliding connection's connect electric head 18, connect electric head 18 and the inner wall contact who advances groove 15 and stabilize and can not appear breaking away from, guarantee the stability of circular telegram, avoid appearing contact failure.

Two connect electric seat 6 and all seted up draw-in groove 19 near corresponding one side lateral wall that connects electric post 3, the equal symmetry of inner wall of two draw-in grooves 19 is fixed with two and corresponds the shell fragment 20 that connects electric head 18 to offset, the inner wall symmetry of socket 2 is provided with two electro-magnets 21 relative with two bull stick 9 positions, electro-magnet 21 is located the position that bull stick 9 is close to and connects electric seat 6 one end, the increase of electric current back, electro-magnet 21 will have sufficient magnetic force to attract bull stick 9 and make the bull stick 9 take place to deflect.

Waterproof sealing structure is including seting up in the shrink groove 12 of plug 1 lateral wall, the interior bottom of shrink groove 12 is fixed with a plurality of coupling spring 13, a plurality of coupling spring 13 are close to the one end of connecting electric post 3 and are fixed with jointly and contract groove 12 inner wall sealing sliding connection's seal cover 14, seal cover 14 adopts elastic rubber material to make, and seal cover 14 is close to socket 2's one end and is the sucking disc form, the pressurized back, seal cover 14 closely laminates with socket 2's outer wall and then forms plug 1 and socket 2's close combination, jack 4 is located inside seal cover 14, make jack 4 shielded, the effectual outside influence of splashing of avoiding is to socket 2, avoid the emergence of electric shock phenomenon.

In the invention, when the plug 1 needs to be connected with electricity, the electric connecting post 3 is aligned to the jack and inserted into the socket 2 at first until the electric connecting post 3 abuts against the electric connecting seat 6 to electrify the whole circuit, at the moment, the plug 1 can be loosened, and in the process of inserting the electric connecting post 3, the sealing sleeve 14 is blocked by the socket 2 to compress the connecting spring 13 and move towards the inside of the contraction groove 12, so that the sealing sleeve 14 abuts against the outer wall of the socket 2 tightly under the elastic force of the connecting spring 13, and sealing and water proofing are completed;

when the rotary groove 7 completely moves to the inside of the socket 2 along with the electric connecting post 3, the magnetic block 11 attracts the adsorption block 10 on the rotary rod 9 close to one end of the rotary rod, the magnetic force of the electromagnet 21 is small under the conventional current, so that the adsorption force on two ends of the rotary rod 9 is different, the rotary rod 9 rotates around the rotating shaft 8, one end of the rotary rod 9 close to the magnetic block 11 deviates from the rotary groove 7, the other end of the rotary rod deflects towards the inside of the rotary groove 7 and is close to the pushing groove 15, the pushing block 17 in the pushing groove 15 moves towards the position of the electric connecting seat 6 under the action of the magnetic repulsion force of the adsorption block 10, the electric connecting head 18 moves out of the pushing groove 15 and enters the clamping groove 19 and abuts against the two elastic sheets 20, and the electric connecting head 18 obtains a certain clamping limit;

after the plug 1 is loosened, under the action of the elastic force of the connecting spring 13, the plug 1 can drive the electric connecting column 3 to move towards one end far away from the socket 2, so that the electric connecting column 3 drives the rotating rod 9 to synchronously move, because the rotating rod 9 is deflected and one end of the rotating rod is positioned outside the rotating groove 7, the adsorption block 10 at one end of the rotating rod 9 close to the magnetic block 11 is abutted against the inner wall of the socket 2, further preventing the power connection post 3 from further moving, enabling the plug 1 and the socket 2 to be tightly connected under the elastic force of the connecting spring 13, avoiding the inconvenience caused by the loosening of the plug 1 in the power connection process, completely blocking the gap between the plug 1 and the socket 2 after the sealing sleeve 14 is deformed, ensuring the waterproof performance after sealing, avoiding electric shock caused by water splashing in the use process, because the electric contact 18 is clamped by the elastic sheet 20, the fine movement of the electric contact 3 does not influence the connection between the electric contact 18 and the elastic sheet 20, and further the phenomenon of power failure or poor contact is avoided;

when the plug 1 needs to be pulled out, the plug 1 is held and then pressed downwards, so that the electric pole 3 pushes the baffle 5 to rotate, the electric pole 3 moves downwards for a certain distance, in this state, the electric head 18 is separated from the clamping groove 19, the whole circuit is powered off, the rotating groove 7 is staggered with the magnetic block 11, the rotating rod 9 is not deflected, the rotating rod 9 does not obstruct the movement of the electric pole 3, the electric pole 3 can be pulled out easily, the plug 1 is separated from the socket 2, the pulling action is completed, the electric pole 3 is powered off in the pulling process, the electric pole 3 cannot be powered on, and therefore, even if the electric pole 3 is mistakenly touched in the pulling process, electric shock cannot be caused, and the process is safer;

and when the condition such as short circuit appears with electrical apparatus causes the circuit in the electric current to surge, the magnetic force of electro-magnet 21 surges, and then attract bull stick 9 to make it be close to electro-magnet 21, thereby make bull stick 9 deflect again, under this state, connect electrical head 18 not receive the magnetic repulsion of adsorbing piece 10 on the bull stick 9, and then get back to propulsion groove 15 inside under reset spring 16's elastic force effect, make whole circuit outage, thereby the effectual conflagration and the electric shock of having avoided causing with electrical apparatus trouble, make socket and plug use safelyr.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The anti-loose plug comprises a plug (1) and is characterized in that two symmetrically arranged electric connecting posts (3) are fixed on the side wall of the plug (1), rotary grooves (7) are formed in the side walls of the two electric connecting posts (3), the inner walls of the two rotary grooves (7) are connected with rotating shafts (8) through torsional springs in a rotating mode, rotating rods (9) are fixed on the circumferential side walls of the two rotating shafts (8), adsorption blocks (10) are fixed at the two ends of the two rotating rods (9), the adsorption blocks (10) are permanent magnets, a waterproof sealing structure is arranged at one end, close to a socket (2), of the plug (1), and electric connecting structures are arranged inside the two rotary grooves (7);

the power connection structure comprises a pushing groove (15) formed in the side wall of the power connection post (3) and communicated with the inside of the rotary groove (7), a return spring (16) is fixed on the inner wall of one end, close to the rotary groove (7), of the pushing groove (15), a pushing block (17) is fixed at one end, far away from the rotary shaft (8), of the return spring (16), the pushing block (17) is a permanent magnet and is mutually exclusive with the adsorption block (10) close to the pushing block, and a power connection head (18) in sliding connection with the inner wall of the pushing groove (15) is fixed at one end, far away from the rotary shaft (8), of the pushing block (17);

waterproof sealing structure is including offering shrink groove (12) in plug (1) lateral wall, the interior bottom of shrink groove (12) is fixed with a plurality of connecting spring (13), and is a plurality of connecting spring (13) are close to the one end of connecting electric post (3) and are fixed with seal cover (14) with shrink groove (12) inner wall sealing sliding connection jointly.

2. The utility model provides an anti-loosening socket, its uses with the locking plug cooperation of claim 1, includes socket (2), its characterized in that, the lateral wall of socket (2) runs through jack (4) of seting up two symmetry settings, two the inner wall of jack (4) all is connected with baffle (5) that two symmetries set up through the torsional spring rotation, the inner wall of socket (2) is fixed with two electrical connection seat (6), the inner wall symmetry of socket (2) is fixed with two magnetic path (11).

3. The anti-loosening socket according to claim 2, wherein the side walls of the two electrical connection seats (6) are respectively provided with a clamping groove (19), the inner walls of the two clamping grooves (19) are respectively and symmetrically fixed with two elastic sheets (20), and the inner wall of the socket (2) is symmetrically provided with two electromagnets (21).